技术领域technical field
本发明涉及一种电源装置，具体涉及一种在煤矿瓦斯管道用的本质安全不间断直流电源。The invention relates to a power supply device, in particular to an intrinsically safe uninterrupted DC power supply used in coal mine gas pipelines.
背景技术Background technique
随着国家对煤矿安全生产的高度重视，煤矿井下需要的安全监控设备需求也越来越多，目前安全监控设备大多是安装在巷道、挖掘工作面等人员涉足多的地方，而这些地方的设备按照电气防爆要求只需要ib防爆等级的本安电源。在瓦斯输送管道这种长期处于危险爆炸的环境中，必须选用的本安电源需要更高的ia防爆等级，鉴于这种环境使用的具体情况，另外此类本安电源也必须是不间断对外供电，为此设计一种本安不间断直流电源来解决这一问题。发明内容As the country attaches great importance to coal mine safety production, the demand for safety monitoring equipment in coal mines is also increasing. At present, most safety monitoring equipment is installed in roadways, excavation working faces and other places where many people are involved. The equipment in these places In accordance with the electrical explosion-proof requirements, only the intrinsically safe power supply of the ib explosion-proof level is required. In the long-term dangerous explosion environment of gas pipelines, the intrinsically safe power supply that must be selected requires a higher ia explosion-proof level. In view of the specific conditions of use in this environment, in addition, this type of intrinsically safe power supply must also be uninterrupted external power supply , to design an intrinsically safe uninterruptible DC power supply to solve this problem. Contents of the invention
有鉴于此，本发明的目的在于提供一种性能可靠、满足ia防爆等级，能够对电源本身提供多种保护的本质安全一种矿用瓦斯管道不间断直流电源。In view of this, the object of the present invention is to provide an intrinsically safe uninterrupted DC power supply for mine gas pipelines that has reliable performance, meets the ia explosion-proof level, and can provide multiple protections for the power supply itself.
为达到上述目的，本发明提供如下技术方案：一种矿用瓦斯管道不间断直流电源，包括交流输入隔离变换模块、开关电源、蓄电池组、电源主板、限流电阻、过压保护模块和电涌保护板；其中交流输入隔离变换模块、开关电源、电源主板、限流电阻和过压保护模块依次串联连接，，所述开关电源对蓄电池组充电，所述电源主板对蓄电池组进行管理，所述的交流输入隔离变换模块与电涌保护板连接；所述电源主板包括输入过压保护电路、交流与电池切换电路和用于采集蓄电池组电压、控制蓄电池组充放电的电池充放电管理电路，所述输入过压保护电路的输入端分别与开关电源的输出端和蓄电池组的输出端连接，输入过压保护电路的输出端分别与交流与电池切换电路的第一输入端和电池充放电管理电路的第一输入端连接，电池充放电管理电路的第二输入端与蓄电池组输出端连接，电池充放电管理电路的输出端与交流与电池切换电路的第二输入端连接，交流与电池切换电路的输出端与输出模块连接；所述电池充放电管理电路包括电池电压采集电路、充电控制电路和单片机处理单元电路,所述电池电压采集单元用于，对电池的绝对电池电压及相对电池电压采集，所述充电控制电路用于，限压恒流充电控制，所述单片机处理单元电路用于，对采集的电池电压做判断处理、交流电与电池切换管理以及电池热启动放电管理；所述电池充放电管理电路还包括杜绝在电池无故情况下电池冷启动耗电的电池热启动放电电路。 In order to achieve the above object, the present invention provides the following technical solutions: an uninterrupted DC power supply for mine gas pipelines, including an AC input isolation conversion module, a switching power supply, a battery pack, a power supply main board, a current limiting resistor, an overvoltage protection module and a surge protection module. protection board; wherein the AC input isolation conversion module, switching power supply, power supply main board, current limiting resistor and overvoltage protection module are connected in series in sequence, the switching power supply charges the battery pack, the power supply main board manages the battery pack, and the power supply main board manages the battery pack. The AC input isolation conversion module is connected to the surge protection board; the power main board includes an input overvoltage protection circuit, an AC and battery switching circuit, and a battery charge and discharge management circuit for collecting battery pack voltage and controlling battery pack charge and discharge. The input end of the input overvoltage protection circuit is respectively connected to the output end of the switching power supply and the output end of the battery pack, and the output end of the input overvoltage protection circuit is respectively connected to the first input end of the AC and battery switching circuit and the battery charge and discharge management circuit The first input end of the battery charge and discharge management circuit is connected to the output end of the battery pack, the output end of the battery charge and discharge management circuit is connected to the second input end of the AC and battery switching circuit, and the AC and battery switching circuit The output terminal of the battery is connected to the output module; the battery charge and discharge management circuit includes a battery voltage acquisition circuit, a charging control circuit and a single-chip processing unit circuit, and the battery voltage acquisition unit is used for collecting the absolute battery voltage and relative battery voltage of the battery , the charging control circuit is used for voltage limiting and constant current charging control, and the single-chip processing unit circuit is used for judging the collected battery voltage, switching management between alternating current and battery, and battery hot start discharge management; the battery charging The discharge management circuit also includes a battery hot start discharge circuit that prevents battery cold start power consumption under the condition of no reason for the battery. the
进一步，所述电池充放电管理电路还包括避免电池电极在接反的情况下对蓄电池组进行充电的电池反充保护电路。Further, the battery charge and discharge management circuit also includes a battery reverse charge protection circuit that prevents the battery pack from being charged when the battery electrodes are reversed.
进一步，所述电池充放电管理电路还包括当电池电压小于设定值时切断输出的电池过放保护电路。Further, the battery charge and discharge management circuit also includes a battery over-discharge protection circuit that cuts off output when the battery voltage is lower than a set value.
进一步，所述电池热启动放电电路包括第三场效应管Q3、第三三极管S3、第七电阻R7、第八电阻R8、第九电阻R9、第十电阻R10、第十一电阻R11、第一二极管D1、第二二极管D2、第一触发器U1和第一电容C1，其中第七电阻R7并联在第一场效应管Q1的源极与栅极之间，第一场效应管Q1的漏极接电池过放保护电路的输入端，第三三极管S3的集电极与第一场效应管Q1的栅极连接，第九电阻R9并联在第三三极管S3的基极与发射极之间，第三三极管S3的发射极接地，第三三极管S3的基极通过串联第八电阻R8连接到第一触发器U1的第5脚，电源端VDD依次串联反向第一二极管D1和反向第二二极管D2到地，第十一电阻R11与第二二极管S2并联，第一二极管S1和第二二极管S2的公共端连接第十电阻R10，第十电阻R10的另一端与输入过压保护电路的输出端连接，第十电阻R10和第十一电阻R11的公共端与第一触发器U1的第2脚连接，第一触发器U1的第1脚和第3脚分别和单片机处理单元连接，第一触发器U1的第7、10、11、12、13脚分别接地，第一触发器U1的第1脚经过第一电容接地。Further, the battery hot start discharge circuit includes a third field effect transistor Q3, a third triode S3, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, The first diode D1, the second diode D2, the first flip-flop U1 and the first capacitor C1, wherein the seventh resistor R7 is connected in parallel between the source and the gate of the first field effect transistor Q1, the first field The drain of the effect transistor Q1 is connected to the input end of the battery over-discharge protection circuit, the collector of the third transistor S3 is connected to the gate of the first field effect transistor Q1, and the ninth resistor R9 is connected in parallel to the third transistor S3. Between the base and the emitter, the emitter of the third triode S3 is grounded, the base of the third triode S3 is connected to the fifth pin of the first flip-flop U1 through the eighth resistor R8 in series, and the power supply terminal VDD is sequentially The reverse first diode D1 and the reverse second diode D2 are connected in series to the ground, the eleventh resistor R11 is connected in parallel with the second diode S2, the common of the first diode S1 and the second diode S2 The end is connected to the tenth resistor R10, the other end of the tenth resistor R10 is connected to the output end of the input overvoltage protection circuit, the common end of the tenth resistor R10 and the eleventh resistor R11 is connected to the second pin of the first flip-flop U1, The 1st and 3rd pins of the first flip-flop U1 are respectively connected to the processing unit of the single-chip microcomputer, the 7th, 10, 11, 12, and 13th pins of the first flip-flop U1 are respectively grounded, and the 1st pin of the first flip-flop U1 passes through The first capacitor is grounded.
进一步，所述电池反充保护电路包括第一电阻R1、第二电阻R2、第三电阻R3、第一瞬态电压抑制二极管TV1、第一三极管S1、第一场效应管Q1和跳线开关，第二电阻R2与蓄电池组连接，第二电阻R2的另一端分别与第一瞬态电压抑制二极管TV1的阴极端、第三电阻R3的一端和第一场效应管Q1的栅极相连，第一瞬态电压抑制二极管TV1的阳极端、第三电阻R3的另一端、第一场效应管Q1的源极、跳线开关的一端和第一三极管S1的发射极均连至地, 跳线开关的另一端与第一三极管D3的基极连接，第一场效应管Q1的漏极分别与第一电阻R1的一端和第一三极管S1的基极相连，第一三极管S1的集电极与充电控制电路的第一输出端连接，第一电阻R1的另一端与充电控制电路的第二输出端连接。Further, the battery reverse charge protection circuit includes a first resistor R1, a second resistor R2, a third resistor R3, a first transient voltage suppression diode TV1, a first triode S1, a first field effect transistor Q1 and a jumper switch, the second resistor R2 is connected to the battery pack, the other end of the second resistor R2 is respectively connected to the cathode end of the first transient voltage suppression diode TV1, one end of the third resistor R3 is connected to the gate of the first field effect transistor Q1, The anode end of the first transient voltage suppression diode TV1, the other end of the third resistor R3, the source of the first field effect transistor Q1, one end of the jumper switch and the emitter of the first triode S1 are all connected to the ground, The other end of the jumper switch is connected to the base of the first triode D3, and the drain of the first field effect transistor Q1 is respectively connected to one end of the first resistor R1 and the base of the first triode S1. The collector of the pole transistor S1 is connected to the first output end of the charging control circuit, and the other end of the first resistor R1 is connected to the second output end of the charging control circuit.
进一步，所述电池过放保护电路包括所述的包括第一稳压管D1A、第四电阻R4、第五电阻R5、第六电阻R6、第二三极管S2和第二场效应管Q2，其中，第一稳压管D1A的阴极端、第二场效应管Q2的源极、第四电阻R4的一端分别与蓄电池组连接，第五电阻R5的一端和第六电阻R6的一端并联后与第一稳压管D1A的阳极端相连，第五电阻R5的另一端与第二三极管S2的基极相连，第六电阻R6的另一端、第二三极管S2的发射极均连至地，第二三极管S2的集电极与第四电阻R4的另一端、第二场效应管Q2的栅极相连，第二场效应管Q2的漏极与交流与电池切换电路的输出端相连。Further, the battery over-discharge protection circuit includes the first regulator tube D1A, the fourth resistor R4, the fifth resistor R5, the sixth resistor R6, the second triode S2 and the second field effect transistor Q2, Wherein, the cathode end of the first regulator D1A, the source electrode of the second field effect transistor Q2, and one end of the fourth resistor R4 are respectively connected to the battery pack, and one end of the fifth resistor R5 and one end of the sixth resistor R6 are connected in parallel to the The anode of the first regulator tube D1A is connected, the other end of the fifth resistor R5 is connected to the base of the second transistor S2, the other end of the sixth resistor R6 and the emitter of the second transistor S2 are connected to ground, the collector of the second transistor S2 is connected to the other end of the fourth resistor R4 and the gate of the second field effect transistor Q2, and the drain of the second field effect transistor Q2 is connected to the output terminal of the AC and battery switching circuit .
进一步，所述交流输入隔离变换模块采用隔离工频变压器，所述隔离工频变压器的初级端与次级端与电涌保护模块并联。 Further, the AC input isolation transformation module adopts an isolation power frequency transformer, and the primary end and the secondary end of the isolation power frequency transformer are connected in parallel with the surge protection module. the
进一步，所述过压保护模块包括串联连接的第一过压保护模块、第二过压保护模块和第三过压保护模块，所述第一过压保护模块的输入端与限流电阻的输出端连接，所述第三过压保护模块的输出端作为整个直流电源的输出端。Further, the overvoltage protection module includes a first overvoltage protection module, a second overvoltage protection module and a third overvoltage protection module connected in series, the input terminal of the first overvoltage protection module is connected to the output of the current limiting resistor The terminals are connected, and the output terminal of the third overvoltage protection module is used as the output terminal of the entire DC power supply.
进一步，所述电源主板还包括DC/DC电路，所述DC/DC电路用于连接交流与电池切换电路和限流模块。Further, the power mainboard also includes a DC/DC circuit, and the DC/DC circuit is used to connect the AC and battery switching circuit and the current limiting module.
进一步，所述蓄电池组为镍氢电池组。Further, the storage battery pack is a nickel metal hydride battery pack.
有益技术效果：Beneficial technical effects:
1、本发明提供的电池反充保护电路能够避免电池电极在接反的情况下对蓄电池组进行充电，避免电极接反而引起电池的损坏。1. The battery reverse charging protection circuit provided by the present invention can prevent the battery pack from being charged when the battery electrodes are connected reversely, and avoid damage to the battery caused by reversely connected electrodes.
2、本发明提供的电池过放保护电路能够在电池电量过低的情况下及时切断电池的输出，提高了电池的使用寿命。2. The battery over-discharge protection circuit provided by the present invention can cut off the output of the battery in time when the battery power is too low, thereby improving the service life of the battery.
3、本发明提供的电池热启动放电技术杜绝在电池无故情况下电池冷启动耗电，提高电池的用电效率。3. The battery hot-start discharge technology provided by the present invention eliminates the power consumption of the battery cold start when there is no reason for the battery, and improves the power consumption efficiency of the battery.
4、本发明具有性能可靠、抗干扰能力强的特点，能够满足在长期处于爆炸环境使用的0区范围使用，具有良好的市场推广价值。4. The present invention has the characteristics of reliable performance and strong anti-interference ability, and can be used in zone 0 where it is used in an explosive environment for a long time, and has good market promotion value.
本发明的其他优点、目标和特征在某种程度上将在随后的说明书中进行阐述，并且在某种程度上，基于对下文的考察研究对本领域技术人员而言将是显而易见的，或者可以从本发明的实践中得到教导。Other advantages, objects and features of the present invention will be set forth in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the investigation and research below, or can be obtained from It is taught in the practice of the present invention.
附图说明Description of drawings
为了使本发明的目的、技术方案和有益效果更加清楚，本发明提供如下附图进行说明：In order to make the purpose, technical scheme and beneficial effect of the present invention clearer, the present invention provides the following drawings for illustration:
图1为本发明所述的一种矿用瓦斯管道不间断直流电源系统框图；Fig. 1 is a block diagram of a mine gas pipeline uninterrupted DC power supply system according to the present invention;
图2为本发明所述的电池热启动放电电路图；Fig. 2 is the circuit diagram of the hot start discharge of the battery according to the present invention;
图3为本发明所述的电池反充保护电路图；Fig. 3 is a circuit diagram of battery reverse charge protection according to the present invention;
图4为本发明所述的电池过放保护电路图；Fig. 4 is the battery over-discharge protection circuit diagram of the present invention;
图5为本发明所述的单片机处理单元电路图；Fig. 5 is the circuit diagram of single-chip processing unit of the present invention;
图6为本发明所述的电池电压采集电路图；Fig. 6 is a circuit diagram of battery voltage acquisition according to the present invention;
图7为本发明所述的充电控制电路图；Fig. 7 is a charging control circuit diagram of the present invention;
图8为本发明所述的输入过电压保护电路图。Fig. 8 is a circuit diagram of the input overvoltage protection according to the present invention.
具体实施方式Detailed ways
下面将结合附图，对本发明的优选实施例进行详细的描述。The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
如图1所示，一种矿用瓦斯管道不间断直流电源，包括交流输入隔离变换模块、开关电源、蓄电池组、电源主板、限流电阻、过压保护模块和电涌保护板；其中交流输入隔离变换模块、开关电源、电源主板、限流电阻和过压保护模块依次串联连接，，所述开关电源对蓄电池组充电，所述电源主板对蓄电池组进行管理，所述的交流输入隔离变换模块与电涌保护板连接；所述电源主板包括输入过压保护电路、交流与电池切换电路和用于采集蓄电池组电压、控制蓄电池组充放电的电池充放电管理电路，所述输入过压保护电路的输入端分别与开关电源的输出端和蓄电池组的输出端连接，输入过压保护电路的输出端分别与交流与电池切换电路的第一输入端和电池充放电管理电路的第一输入端连接，电池充放电管理电路的第二输入端与蓄电池组输出端连接，电池充放电管理电路的输出端与交流与电池切换电路的第二输入端连接，交流与电池切换电路的输出端与输出模块连接；所述电池充放电管理电路包括电池电压采集电路、充电控制电路和单片机处理单元电路,所述电池电压采集单元用于，对电池的绝对电池电压及相对电池电压采集，所述充电控制电路用于，限压恒流充电控制，所述单片机处理单元电路用于，对采集的电池电压做判断处理、交流电与电池切换管理以及电池热启动放电管理；所述电池充放电管理电路还包括杜绝在电池无故情况下电池冷启动耗电的电池热启动放电电路。 As shown in Figure 1, an uninterruptible DC power supply for mining gas pipelines includes an AC input isolation conversion module, a switching power supply, a battery pack, a power supply board, a current limiting resistor, an overvoltage protection module, and a surge protection board; where the AC input The isolation conversion module, the switching power supply, the power mainboard, the current limiting resistor and the overvoltage protection module are sequentially connected in series, the switching power supply charges the storage battery pack, the power supply main board manages the storage battery pack, and the AC input isolation conversion module It is connected with the surge protection board; the main board of the power supply includes an input overvoltage protection circuit, an AC and battery switching circuit, and a battery charge and discharge management circuit for collecting the battery pack voltage and controlling the charge and discharge of the battery pack. The input overvoltage protection circuit The input terminals of the input overvoltage protection circuit are respectively connected to the output terminal of the switching power supply and the output terminal of the battery pack, and the output terminals of the input overvoltage protection circuit are respectively connected to the first input terminal of the AC and battery switching circuit and the first input terminal of the battery charge and discharge management circuit , the second input terminal of the battery charging and discharging management circuit is connected to the output terminal of the battery pack, the output terminal of the battery charging and discharging management circuit is connected to the second input terminal of the AC and battery switching circuit, and the output terminal of the AC and battery switching circuit is connected to the output module connected; the battery charging and discharging management circuit includes a battery voltage acquisition circuit, a charging control circuit and a single-chip processing unit circuit, and the battery voltage acquisition unit is used for collecting the absolute battery voltage and relative battery voltage of the battery, and the charging control circuit Used for voltage limiting and constant current charging control, the single-chip processing unit circuit is used for judging the collected battery voltage, switching management between alternating current and battery, and battery hot start discharge management; the battery charging and discharging management circuit also includes preventing A battery hot start discharge circuit that consumes power when the battery is cold started without any reason. the
所述电池充放电管理电路还包括避免电池电极在接反的情况下对蓄电池组进行充电的电池反充保护电路和当电池电压小于设定值时能够切断输出的电池过放保护电路。The battery charge and discharge management circuit also includes a battery reverse charge protection circuit that prevents battery electrodes from being charged to the battery pack when the battery electrodes are reversed, and a battery over-discharge protection circuit that can cut off output when the battery voltage is lower than a set value.
所述交流输入隔离变换模块采用隔离工频变压器，所述隔离工频变压器的初级端与次级端与电涌保护模块并联。 The AC input isolation transformation module adopts an isolation power frequency transformer, and the primary end and the secondary end of the isolation power frequency transformer are connected in parallel with the surge protection module. the
所述过压保护模块包括串联连接的第一过压保护模块、第二过压保护模块和第三过压保护模块，所述第一过压保护模块的输入端与限流电阻的输出端连接，所述第三过压保护模块的输出端作为整个直流电源的输出端。The overvoltage protection module includes a first overvoltage protection module, a second overvoltage protection module and a third overvoltage protection module connected in series, and the input end of the first overvoltage protection module is connected to the output end of the current limiting resistor , the output terminal of the third overvoltage protection module serves as the output terminal of the entire DC power supply.
所述电源主板还包括DC/DC电路，所述DC/DC电路用于连接交流与电池切换电路和限流模块。The main board of the power supply also includes a DC/DC circuit, and the DC/DC circuit is used for connecting the AC and battery switching circuit and the current limiting module.
所述蓄电池组为镍氢电池组。The battery pack is a nickel metal hydride battery pack.
下面对电源主板的具体电路进行描述。The specific circuit of the main board of the power supply is described below.
如图2所示，所述电池热启动放电电路包括第三场效应管Q3、第三三极管S3、第七电阻R7、第八电阻R8、第九电阻R9、第十电阻R10、第十一电阻R11、第一二极管D1、第二二极管D2、第一触发器U1和第一电容C1，其中第七电阻R7并联在第一场效应管Q1的源极与栅极之间，第一场效应管Q1的漏极接电池过放保护电路的输入端，第三三极管S3的集电极与第一场效应管Q1的栅极连接，第九电阻R9并联在第三三极管S3的基极与发射极之间，第三三极管S3的发射极接地，第三三极管S3的基极通过串联第八电阻R8连接到第一触发器U1的第5脚，电源端VDD依次串联反向第一二极管D11和反向第二二极管D2到地，第十一电阻R11与第二二极管Q2并联，第一二极管Q1和第二二极管Q2的公共端连接第十电阻R10，第十电阻R10的另一端与输入过压保护电路的输出端连接，第十电阻R10和第十一电阻R11的公共端与第一触发器U1的第2脚连接，第一触发器U1的第1脚和第3脚分别和单片机处理单元连接，第一触发器的第7、10、11、12、13脚分别接地，第一触发器的第1脚经过第一电容接地。As shown in Figure 2, the battery hot start discharge circuit includes a third field effect transistor Q3, a third triode S3, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a tenth resistor A resistor R11, a first diode D1, a second diode D2, a first trigger U1 and a first capacitor C1, wherein the seventh resistor R7 is connected in parallel between the source and the gate of the first field effect transistor Q1 , the drain of the first field effect transistor Q1 is connected to the input end of the battery over-discharge protection circuit, the collector of the third triode S3 is connected to the gate of the first field effect transistor Q1, and the ninth resistor R9 is connected in parallel to the third three Between the base and the emitter of the transistor S3, the emitter of the third transistor S3 is grounded, and the base of the third transistor S3 is connected to the fifth pin of the first flip-flop U1 through the eighth resistor R8 connected in series, The power supply terminal VDD is sequentially connected in series with the reverse first diode D11 and the reverse second diode D2 to ground, the eleventh resistor R11 is connected in parallel with the second diode Q2, and the first diode Q1 and the second diode The common end of the tube Q2 is connected to the tenth resistor R10, the other end of the tenth resistor R10 is connected to the output end of the input overvoltage protection circuit, the common end of the tenth resistor R10 and the eleventh resistor R11 is connected to the first flip-flop U1 2-pin connection, the 1st and 3rd pins of the first flip-flop U1 are respectively connected to the processing unit of the single-chip microcomputer, the 7th, 10th, 11th, 12th, and 13th pins of the first flip-flop are grounded respectively, and the 1st pins of the first flip-flop The pin is grounded through the first capacitor.
本发明提供的电池热启动放电技术杜绝在电池无故情况下电池冷启动耗电，提高电池的用电效率。The hot-start discharge technology of the battery provided by the invention eliminates power consumption during cold start of the battery without reason, and improves the power consumption efficiency of the battery.
如图3所示，所述电池反充保护电路包括第一电阻R1、第二电阻R2、第三电阻R3、第一瞬态电压抑制二极管TV1、第一三极管S1、第一场效应管Q1和跳线开关，第二电阻R2与蓄电池组连接，第二电阻R2的另一端分别与第一瞬态电压抑制二极管TV1的阴极端、第三电阻R3的一端、第一场效应管Q1的栅极相连，第一瞬态电压抑制二极管TV1的阳极端、第三电阻R3的另一端、第一场效应管Q1的源极、跳线开关的一端和第一三极管S1的发射极均连至地, 跳线开关的另一端与第一三极管的基极连接，第一场效应管Q1的漏极分别与第一电阻R1的一端和第一三极管S1的基极相连，第一三极管S1的集电极与充电控制电路的第一输出端连接，第一电阻R1的另一端与充电控制电路的第二输出端连接。As shown in Figure 3, the battery reverse charging protection circuit includes a first resistor R1, a second resistor R2, a third resistor R3, a first transient voltage suppression diode TV1, a first triode S1, a first field effect transistor Q1 and the jumper switch, the second resistor R2 is connected to the battery pack, the other end of the second resistor R2 is respectively connected to the cathode end of the first transient voltage suppression diode TV1, one end of the third resistor R3, and the first field effect transistor Q1. The gate is connected, the anode end of the first transient voltage suppression diode TV1, the other end of the third resistor R3, the source of the first field effect transistor Q1, one end of the jumper switch and the emitter of the first triode S1 are all Connect to the ground, the other end of the jumper switch is connected to the base of the first transistor, the drain of the first field effect transistor Q1 is respectively connected to one end of the first resistor R1 and the base of the first transistor S1, The collector of the first triode S1 is connected to the first output end of the charging control circuit, and the other end of the first resistor R1 is connected to the second output end of the charging control circuit.
本发明提供的电池反充保护电路能够避免电池电极在接反的情况下对蓄电池组进行充电，避免电极接反而引起电池的损坏。The battery reverse charge protection circuit provided by the invention can prevent the battery pack from being charged when the battery electrodes are reversely connected, and avoid damage to the battery caused by the reversely connected electrodes.
如图4所示，所述电池过放保护电路包括所述的包括第一稳压管D1A、第四电阻R4、第五R5、第六R6、第二三极管S2和第二场效应管Q2，其中，第一稳压管D1A的阴极端、第二场效应管Q2的源极、第四电阻R4的一端分别与蓄电池组连接，第五电阻R5的一端和第六电阻R6的一端并联后与第一稳压管D1A的阳极端相连，第五电阻R5的另一端与第二三极管S2的基极相连，第六电阻R6的另一端、第二三极管S2的发射极均连至地，第二三极管S2的集电极与第四电阻R4的另一端、第二场效应管Q2的栅极相连，第二场效应管Q2的漏极与交流与电池切换电路的输出端相连。As shown in Figure 4, the battery over-discharge protection circuit includes the first voltage regulator tube D1A, the fourth resistor R4, the fifth R5, the sixth R6, the second transistor S2 and the second field effect transistor Q2, wherein, the cathode end of the first regulator D1A, the source electrode of the second field effect transistor Q2, and one end of the fourth resistor R4 are respectively connected to the battery pack, and one end of the fifth resistor R5 and one end of the sixth resistor R6 are connected in parallel Afterwards, it is connected to the anode terminal of the first regulator tube D1A, the other end of the fifth resistor R5 is connected to the base of the second triode S2, the other end of the sixth resistor R6, and the emitter of the second triode S2 are both Connect to the ground, the collector of the second transistor S2 is connected to the other end of the fourth resistor R4 and the gate of the second field effect transistor Q2, and the drain of the second field effect transistor Q2 is connected to the output of the AC and battery switching circuit end connected.
本发明提供的电池过放保护电路能够在电池电量过低的情况下及时切断电池的输出，提高了电池的使用寿命。The battery over-discharge protection circuit provided by the invention can cut off the output of the battery in time when the battery power is too low, thereby improving the service life of the battery.
如图5所示，所述单片机处理单元电路包括第一三端稳压器U3、第二三端稳压器U4、滤波器JM1、第二自恢复保险FS2、第六电容C6、第七电容C7、第八电容C8、第九电容C9、第十电容C10、第十一电容C11、第十二电容C12、第十三电容C13、第十四电容C14、第十五电容C15，第十二极管D10、第十一二极管D11、第十二二极管D12、第二瞬态电压抑制二极管TV2、第三瞬态电压抑制二极管TV3、第四瞬态电压抑制二极管TV4、第十七电阻R17、第十八电阻R18、第十九电阻R19和第二发光二极管L2。第十二极管D10的阳极与输入过电压保护电路的输出端连接，第十一二极管D11的阳极与电池过放保护电路的输出端连接，第十一二极管D11和第十二二极管D12的阴极并联，第十一二极管D11的阴极通过第二自恢复保险FS2连接到第二三端稳压器U4的输入端，第二三端稳压器U4的输入端串联反向的对地第三瞬态电压抑制二极管TV3，第三瞬态电压抑制二极管TV3与第九电容C9并联，第二三端稳压器U4的输出端串联对地第二电容C10,第十一电容C11与第四瞬态电压抑制二极管TV4分别与第十电容C10并联，第四瞬态电压抑制二极管TV4的正极接地。第二三端稳压器U4的输出端与第一三端稳压器U3的输入端连接，第一三端稳压器U33的输入端串联对地第六电容C6，第一三端稳压器U3的输出端连接对地第七电容C7,第八电容C8和第二瞬态电压抑制二极管TV2分别与第六电容C6并联，第二瞬态电压抑制二极管TV2的正极接地。滤波器JM1的输入端与第一三端稳压器U3的输出端连接，滤波器JM1的输出端作为电源端VDD。电源端VDD经过依次连接的第十七电阻R17和第十八电阻R18接单片机U5的1脚连接，第十二二极管D12与第十七电阻并联R17，第十二二极管D12的阳极接对地第十四电容C14。第十二电容C12、第十五电容C15和晶振组成晶振电路。单片机的第5、10脚间并联第二十电阻R20，电源端VDD经过第十九电阻R19连接到单片机的第16脚，在电源端VDD和第十九电阻之间连接正向的第二发光二极管L2。As shown in Figure 5, the single-chip processing unit circuit includes a first three-terminal voltage regulator U3, a second three-terminal voltage regulator U4, a filter JM1, a second self-recovery insurance FS2, a sixth capacitor C6, and a seventh capacitor C7, the eighth capacitor C8, the ninth capacitor C9, the tenth capacitor C10, the eleventh capacitor C11, the twelfth capacitor C12, the thirteenth capacitor C13, the fourteenth capacitor C14, the fifteenth capacitor C15, the twelfth capacitor Diode D10, eleventh diode D11, twelfth diode D12, second transient voltage suppressor diode TV2, third transient voltage suppressor diode TV3, fourth transient voltage suppressor diode TV4, seventeenth transient voltage suppressor diode The resistor R17, the eighteenth resistor R18, the nineteenth resistor R19 and the second light emitting diode L2. The anode of the tenth diode D10 is connected to the output end of the input overvoltage protection circuit, the anode of the eleventh diode D11 is connected to the output end of the battery over-discharge protection circuit, the eleventh diode D11 and the twelfth The cathode of the diode D12 is connected in parallel, the cathode of the eleventh diode D11 is connected to the input terminal of the second three-terminal voltage regulator U4 through the second self-recovery insurance FS2, and the input terminal of the second three-terminal voltage regulator U4 is connected in series The reverse ground third transient voltage suppression diode TV3, the third transient voltage suppression diode TV3 is connected in parallel with the ninth capacitor C9, the output terminal of the second three-terminal voltage regulator U4 is connected in series with the ground second capacitor C10, the tenth A capacitor C11 and the fourth transient voltage suppression diode TV4 are connected in parallel with the tenth capacitor C10 respectively, and the anode of the fourth transient voltage suppression diode TV4 is grounded. The output end of the second three-terminal voltage regulator U4 is connected to the input end of the first three-terminal voltage regulator U3, the input end of the first three-terminal voltage regulator U33 is connected in series with the sixth capacitor C6 to ground, and the first three-terminal voltage regulator The output terminal of the device U3 is connected to the seventh capacitor C7, the eighth capacitor C8 and the second transient voltage suppression diode TV2 are respectively connected in parallel with the sixth capacitor C6, and the anode of the second transient voltage suppression diode TV2 is grounded. The input terminal of the filter JM1 is connected to the output terminal of the first three-terminal regulator U3, and the output terminal of the filter JM1 is used as the power supply terminal VDD. The power supply terminal VDD is connected to pin 1 of the single chip microcomputer U5 through the seventeenth resistor R17 and the eighteenth resistor R18 connected in sequence, the twelfth diode D12 and the seventeenth resistor R17 are connected in parallel, and the anode of the twelfth diode D12 Connect to the ground of the fourteenth capacitor C14. The twelfth capacitor C12, the fifteenth capacitor C15 and the crystal oscillator form a crystal oscillator circuit. The 20th resistor R20 is connected in parallel between the 5th and 10th pins of the MCU, the power supply terminal VDD is connected to the 16th pin of the MCU through the 19th resistor R19, and the positive second light is connected between the power supply terminal VDD and the 19th resistor Diode L2.
如图6所示，所述电池电压采集电路包括第六二极管D6、第七二极管D7、第八二极管D8、第九二极管D9、第二稳压管D1B、第四电容C4、第五电容C5、第十七电阻R17、第十八电阻R18、第十九电阻R19、第二十电阻R20和开关K。电源端VDD串联反向第六二极管D6和第七二极管D7到地，第四电容C4与第七二极管并联D7，第六二极管D6和第七二极管D7的公共端与单片机处理单元连接，第六二极管D6和第七二极管D7的公共端接对地第十七电阻R17。电源端VDD串联反向第八二极管D8和第九二极管D9到地，第九二极管D9并联第五电容C5，第八二极管D8和第九二极管D9的公共端与单片机处理单元连接，第十八电阻R18、第二稳压管D1B、第十九电阻R19、第二十电阻R20、蓄电池组和开关K依次串联连接组成一个闭合的回路，第二稳压管D1B的阳极与第十九电阻R19连接开关和第二稳压管D1B的阴极连接，第二稳压管D1B的阴极串联第十八电阻R18与第六二极管R6和第七二极管R7的公共端连接，第二十电阻R20与蓄电池组的连接到地。As shown in Figure 6, the battery voltage acquisition circuit includes a sixth diode D6, a seventh diode D7, an eighth diode D8, a ninth diode D9, a second voltage regulator tube D1B, a fourth Capacitor C4, fifth capacitor C5, seventeenth resistor R17, eighteenth resistor R18, nineteenth resistor R19, twentieth resistor R20 and switch K. The power supply terminal VDD is connected in series with the reverse sixth diode D6 and the seventh diode D7 to the ground, the fourth capacitor C4 is connected in parallel with the seventh diode D7, and the common of the sixth diode D6 and the seventh diode D7 The terminal is connected to the processing unit of the single-chip microcomputer, and the common terminal of the sixth diode D6 and the seventh diode D7 is connected to the seventeenth resistor R17 to ground. The power supply terminal VDD is connected in series with the reverse eighth diode D8 and the ninth diode D9 to the ground, the ninth diode D9 is connected in parallel with the fifth capacitor C5, and the common terminal of the eighth diode D8 and the ninth diode D9 It is connected with the processing unit of the single chip microcomputer, the eighteenth resistor R18, the second voltage regulator tube D1B, the nineteenth resistor R19, the twentieth resistor R20, the storage battery pack and the switch K are sequentially connected in series to form a closed loop, the second voltage regulator tube The anode of D1B is connected to the switch of the nineteenth resistor R19 and the cathode of the second voltage regulator tube D1B, and the cathode of the second voltage regulator tube D1B is connected in series with the eighteenth resistor R18 and the sixth diode R6 and the seventh diode R7 The common terminal of the twentieth resistor R20 is connected to the battery pack to the ground.
如图7所述充电控制电路包括第三三端稳压器U2、第十一电阻R11、第十二电阻R12、第十三电阻R13、第十四电阻R14、第十五电阻R15、第十六电阻R16、第三二极管D3、第四二极管D4、第五二极管D5、第一发光二极管L1、第二电容C2、第三电容C3、第四三极管S4和第五三极管S5。其中，第三三端稳压器的输入端与输入过压保护电路的输出端连接，第三三端稳压器的输入端与输出端并联反向第三二极管D3，第三三端稳压器的输入端接对地第二电容C2，第三三端稳压器的输出端经过依次连接的第十一电阻R11和第一自恢复保险FR1与第四三极管S4的集电极连接，第四三极管S4的发射极与第四二极管D4的阳极连接，第四二极管D4并联第五二极管D5，第四二极管D4的阳极与第五二极管D5的阳极连接,第五二极D5的阴极与蓄电池组连接。第十一电阻R11与第一自恢复保险FS1的公共端经过依次连接的第十二电阻R12和第十三电阻R13连接到地。第四三极管S4的基极经过依次连接的第十六电阻R16和第一发光二极管L1与第五三极管S5的发射极连接，第五三极管S5的集电极连接到地，第三电容C3与第五三极管S5的基极和集电极并联，第十五电阻R15与第三电容C3并联，第五三极管S5与第三电容C3的公共端经过第十四电阻R14与单片机处理单元接。As shown in Figure 7, the charging control circuit includes a third three-terminal regulator U2, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a tenth resistor Six resistors R16, third diode D3, fourth diode D4, fifth diode D5, first light emitting diode L1, second capacitor C2, third capacitor C3, fourth triode S4 and fifth Transistor S5. Wherein, the input terminal of the third three-terminal voltage regulator is connected to the output terminal of the input overvoltage protection circuit, the input terminal and the output terminal of the third three-terminal voltage regulator are connected in parallel with the reverse third diode D3, and the third three-terminal voltage regulator The input terminal of the voltage regulator is connected to the second capacitor C2 to the ground, and the output terminal of the third three-terminal voltage regulator is connected in sequence through the eleventh resistor R11 and the collector of the first self-recovery insurance FR1 and the fourth transistor S4 connection, the emitter of the fourth triode S4 is connected to the anode of the fourth diode D4, the fourth diode D4 is connected in parallel with the fifth diode D5, and the anode of the fourth diode D4 is connected to the anode of the fifth diode D4 The anode of D5 is connected, and the cathode of the fifth diode D5 is connected with the battery pack. The common end of the eleventh resistor R11 and the first self-recovery fuse FS1 is connected to the ground through the sequentially connected twelfth resistor R12 and thirteenth resistor R13 . The base of the fourth triode S4 is connected to the emitter of the fifth triode S5 through the sequentially connected sixteenth resistor R16 and the first light-emitting diode L1, and the collector of the fifth triode S5 is connected to the ground. The third capacitor C3 is connected in parallel with the base and collector of the fifth transistor S5, the fifteenth resistor R15 is connected in parallel with the third capacitor C3, and the common terminal of the fifth transistor S5 and the third capacitor C3 passes through the fourteenth resistor R14 Connect with the single-chip processing unit.
如图8所示，所述输入过电压保护电路包括第一自恢复保险FS1、第三稳压管D1C、第四稳压管D1D、双向瞬态电压抑制管TV、第五瞬态电压抑制管TV5、第二十电阻R20、第二十一电阻R21、第二十二电阻R22、第二十三电阻R23、第六三极管D6、第七三极管D7和第四场效应管Q4。开关电源或蓄电池组输出的电压经过依次连接的第一自恢复保险FS1和双向瞬态电压抑制管TV连接到地。第一自恢复保险FS1和双向瞬态电压抑制管TV的公共端与第三稳压管D1C的阳极连接，第三稳压管D1C的阴极与第四场效应管Q4的源极连接，第四场效应管Q4的漏极分别与交流电与电池切换电路、电池热启动放电电路和充电控制电路的输入端连接。第四稳压管D1D与第三稳压管D1C并联，第四稳压管D1D的阴极与第五瞬态电压抑制管TV5的阴极连接，第五瞬态电压抑制管TV5的阳极经过第二十二电阻R22与第七三极管S7的基极连接，第五瞬态电压抑制管TV5和第二十二电阻R22的公共端连接对地的第二十三电阻，第七三极管S7的集电极接地，第七三极管S7的发射极与第六三极管S6的基极连接，第六三极管S6的集电极接地，第六三极管S6的发射极与第四场效应管Q4的栅极连接，第四场效应管Q4的源极与栅极间并联第二十一电阻，第四场效应管A4的源极与第六三极管S3的基极间并联第二十电阻。As shown in Figure 8, the input overvoltage protection circuit includes a first self-recovery insurance FS1, a third voltage regulator D1C, a fourth voltage regulator D1D, a bidirectional transient voltage suppression transistor TV, and a fifth transient voltage suppression transistor TV5, the twentieth resistor R20, the twenty-first resistor R21, the twenty-second resistor R22, the twenty-third resistor R23, the sixth triode D6, the seventh triode D7 and the fourth field effect transistor Q4. The voltage output by the switching power supply or the battery pack is connected to the ground through the sequentially connected first self-recovery fuse FS1 and the bidirectional transient voltage suppression tube TV. The common end of the first self-recovery insurance FS1 and the bidirectional transient voltage suppression tube TV is connected to the anode of the third voltage regulator tube D1C, the cathode of the third voltage regulator tube D1C is connected to the source of the fourth field effect transistor Q4, and the fourth The drain of the field effect transistor Q4 is respectively connected to the input terminals of the alternating current and battery switching circuit, the battery hot start discharge circuit and the charging control circuit. The fourth voltage regulator tube D1D is connected in parallel with the third voltage regulator tube D1C, the cathode of the fourth voltage regulator tube D1D is connected to the cathode of the fifth transient voltage suppression tube TV5, and the anode of the fifth transient voltage suppression tube TV5 passes through the twentieth The second resistor R22 is connected to the base of the seventh triode S7, the common end of the fifth transient voltage suppression tube TV5 and the twenty-second resistor R22 is connected to the twenty-third resistor to ground, and the seventh triode S7 The collector is grounded, the emitter of the seventh triode S7 is connected to the base of the sixth triode S6, the collector of the sixth triode S6 is grounded, the emitter of the sixth triode S6 is connected to the fourth field effect The gate of the transistor Q4 is connected, the source of the fourth field effect transistor Q4 is connected in parallel with the gate of the twenty-first resistor, and the source of the fourth field effect transistor A4 is connected in parallel with the base of the sixth triode S3. Ten resistors.
下面分别对电池热启动放电电路、电池反充保护电路和电池过放保护电路的工作过程进行说明。The working process of the battery hot start discharge circuit, the battery reverse charge protection circuit and the battery over-discharge protection circuit will be described respectively below.
第十电阻R10经第一自恢复保险FS1、第三稳压管D1C、第四稳压管D1D、第四场效应管Q4和第十一电阻R11分压后输入到第一触发器U1的2脚，作为一个判断交流输入的电平信号，第一触发器U1的1脚接入到单片机U5的1脚，由第十七电阻R17、第十四电容C14、第十二二极管D12组成复位电路。单片机U3在交流上电的情况下，由单片机U5的18脚输出一个高电平到第一触发器U1的3脚，第一触发器U1的4脚接入到给单片机U5的VDD电源端，此时第一触发器U1的5脚输出一个高电平，上述单片机U5的18脚输出状态不再发生变化，第一触发器U1的5脚的信号保持在一个高电平状态，经第八电阻R8到第三三极管S3的基极，第三三极管S3导通，第三三极管S3的集电极与第三场效应管Q3的栅极相连，此时第三场效应管Q3打开，这样蓄电池组才能对后端电路供电。The tenth resistor R10 is divided by the first self-recovery fuse FS1, the third regulator D1C, the fourth regulator D1D, the fourth field effect transistor Q4 and the eleventh resistor R11, and then input to the 2 of the first flip-flop U1. As a level signal for judging AC input, pin 1 of the first flip-flop U1 is connected to pin 1 of the microcontroller U5, which is composed of the seventeenth resistor R17, the fourteenth capacitor C14, and the twelfth diode D12 reset circuit. When the single-chip microcomputer U3 is powered on by AC, pin 18 of the single-chip microcomputer U5 outputs a high level to pin 3 of the first flip-flop U1, and pin 4 of the first flip-flop U1 is connected to the VDD power supply end of the single-chip microcomputer U5. At this moment, pin 5 of the first flip-flop U1 outputs a high level, and the output state of pin 18 of the above-mentioned single-chip microcomputer U5 no longer changes, and the signal of pin 5 of the first flip-flop U1 remains at a high level state. Resistor R8 is connected to the base of the third transistor S3, the third transistor S3 is turned on, and the collector of the third transistor S3 is connected to the gate of the third field effect transistor Q3. At this time, the third field effect transistor Q3 is turned on so that the battery pack can supply power to the back-end circuits.
蓄电池组以正确的接入方式与第二电阻R2连接，第二电阻R2与第三电阻R3分压后提供给第一场效应管Q1的栅极一个电平，第一场效应管Q1打开导通到地，相应的第一三极管S1处于截止状态，此时单片机U5可以正常输出控制信号对蓄电池组进行充电；当蓄电池组以错误的方式与第二电阻R2连接时，此时相当于给第二电阻R2一个零电位，第二电阻R2与第一电阻R1分压后不能提供给第一场效应管Q1的导通电压，第一场效应管Q1处于关闭状态，第一电阻R1经第二三端稳压器U2、第十一电阻R11给第一三极管S1提供一个可以导通的电平，第一三极管S1导通，第一三极管S1的集电极与控制充电的第五三极管S5的基极相连并一并接到地，第五三极管S5被强制关断，此时单片机U5不能输出控制信号对反接的蓄电池组进行正常充电。The storage battery pack is connected to the second resistor R2 in the correct way, and the second resistor R2 and the third resistor R3 divide the voltage to provide a voltage level to the gate of the first field effect transistor Q1, and the first field effect transistor Q1 turns on the lead. connected to the ground, the corresponding first triode S1 is in the cut-off state, at this time the single-chip microcomputer U5 can normally output the control signal to charge the battery pack; when the battery pack is connected to the second resistor R2 in a wrong way, it is equivalent to A zero potential is given to the second resistor R2. After the second resistor R2 and the first resistor R1 divide the voltage, the conduction voltage of the first field effect transistor Q1 cannot be provided. The first field effect transistor Q1 is in the off state, and the first resistor R1 passes through The second three-terminal voltage regulator U2 and the eleventh resistor R11 provide a level that can be turned on for the first triode S1, the first triode S1 is turned on, and the collector of the first triode S1 is connected to the control The bases of the charged fifth triode S5 are connected to the ground together, and the fifth triode S5 is forcibly turned off. At this time, the single-chip microcomputer U5 cannot output control signals to normally charge the reversely connected battery pack.
蓄电池组经过第三场效应管Q3接入到所述的电池过放保护电路，当电池电压高于设定的保护门限值时，第一稳压管D1A导通，第五电阻R5、第六电阻R6对稳压管的稳压值进行分压，分压后的电压输入到第二三极管S2的基极，第二三极管S2导通，第二三极管S2的集电极拉到低电平，从而控制第二场效应管Q2打开，此时蓄电池组经第二场效应管Q2到后端电路；当电池电压低于设定的保护门限值时，第一稳压管D1A截止，第五电阻R5、第六电阻R6的分压不能提供给第二三极管S2的基极一个可靠的电平打开，第二三极管S2截止，继而不能控制第二场效应管Q2，此时蓄电池组无法通过第二场效应管Q2到后端电路，切断输出。The battery pack is connected to the battery over-discharge protection circuit through the third field effect transistor Q3. When the battery voltage is higher than the set protection threshold value, the first voltage regulator tube D1A is turned on, and the fifth resistor R5, the first The six resistors R6 divide the regulated value of the voltage regulator tube, and the divided voltage is input to the base of the second triode S2, the second triode S2 is turned on, and the collector of the second triode S2 Pull it to low level, thereby controlling the opening of the second field effect transistor Q2, at this time, the battery pack passes through the second field effect transistor Q2 to the back-end circuit; when the battery voltage is lower than the set protection threshold value, the first regulator When the tube D1A is turned off, the divided voltage of the fifth resistor R5 and the sixth resistor R6 cannot provide a reliable level for the base of the second transistor S2 to be turned on, and the second transistor S2 is turned off, so the second field effect cannot be controlled. At this time, the battery pack cannot pass through the second field effect transistor Q2 to the back-end circuit, and the output is cut off.
本发明具有性能可靠、抗干扰能力强的特点，能够满足在长期处于爆炸环境使用的0区范围使用，具有良好的市场推广价值。The invention has the characteristics of reliable performance and strong anti-interference ability, can be used in zone 0 which is used in an explosive environment for a long time, and has good market promotion value.
最后说明的是，以上优选实施例仅用以说明本发明的技术方案而非限制，尽管通过上述优选实施例已经对本发明进行了详细的描述，但本领域技术人员应当理解，可以在形式上和细节上对其作出各种各样的改变，而不偏离本发明权利要求书所限定的范围。Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be described in terms of form and Various changes may be made in the details without departing from the scope of the invention defined by the claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135627.3ACN103178588B (en) | 2013-04-18 | 2013-04-18 | Mining gas pipeline uninterrupted direct current power supply |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135627.3ACN103178588B (en) | 2013-04-18 | 2013-04-18 | Mining gas pipeline uninterrupted direct current power supply |
| Publication Number | Publication Date |
|---|---|
| CN103178588A CN103178588A (en) | 2013-06-26 |
| CN103178588Btrue CN103178588B (en) | 2015-01-07 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310135627.3AActiveCN103178588B (en) | 2013-04-18 | 2013-04-18 | Mining gas pipeline uninterrupted direct current power supply |
| Country | Link |
|---|---|
| CN (1) | CN103178588B (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384056B (en)* | 2013-08-08 | 2015-08-19 | 安徽巨一自动化装备有限公司 | Electric automobile electric drive controller 12V power supply protection circuit |
| CN103475050B (en)* | 2013-09-02 | 2016-08-10 | 四川川奇机电有限责任公司 | Charging circuit and the charger with this charging circuit |
| CN103812164B (en)* | 2013-12-13 | 2017-03-29 | 中煤科工集团重庆研究院有限公司 | Grading starting type mining intrinsic safety power supply |
| CN104362722A (en)* | 2014-11-27 | 2015-02-18 | 成都龙腾中远信息技术有限公司 | Airborne data recorder power supply device |
| CN107230965A (en)* | 2017-08-07 | 2017-10-03 | 东莞博力威电池有限公司 | Port multi-level protection circuit |
| CN108111001A (en)* | 2017-12-27 | 2018-06-01 | 恒安科技（中山）有限公司 | An intrinsically safe power supply |
| CN108011536B (en)* | 2017-12-27 | 2019-11-22 | 中煤科工集团重庆研究院有限公司 | Voltage-limiting circuit system of mining switching power supply with increased input voltage range |
| CN111416077A (en)* | 2019-01-08 | 2020-07-14 | 南京德朔实业有限公司 | battery pack |
| CN113206524B (en)* | 2021-04-30 | 2022-11-29 | 石家庄宇飞电子有限公司 | Ia-level intrinsic safety battery charging voltage feedback circuit |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6118253A (en)* | 1998-05-06 | 2000-09-12 | Seiko Instruments Inc. | Charging and discharging control circuit and charging type power supply device |
| CN2610549Y (en)* | 2003-01-28 | 2004-04-07 | 陈建宏 | Charger for mobile phone |
| EP1531535A2 (en)* | 2003-11-14 | 2005-05-18 | Sony Corporation | Battery pack, battery protection processing apparatus, and startup control method of the battery protection processing apparatus |
| CN1783640A (en)* | 2004-11-22 | 2006-06-07 | 因温特奥股份公司 | Integrity testing of isolation means in an uninterruptible power supply |
| EP1746702A2 (en)* | 2003-11-14 | 2007-01-24 | Sony Corporation | Battery pack with integrated battery protection circuit |
| CN1960114A (en)* | 2006-09-25 | 2007-05-09 | 惠州市德赛能源科技有限公司 | Uninterruptable power supply possessing multiple protection functions |
| CN102624064A (en)* | 2012-04-19 | 2012-08-01 | 彭宏伟 | Alternating current-direct current two-level isolated direct current power device |
| CN203180593U (en)* | 2013-04-18 | 2013-09-04 | 中煤科工集团重庆研究院 | Ceaseless direct current source for mining gas pipe |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002093466A (en)* | 2000-09-08 | 2002-03-29 | Matsushita Electric Ind Co Ltd | Charge control circuit |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6118253A (en)* | 1998-05-06 | 2000-09-12 | Seiko Instruments Inc. | Charging and discharging control circuit and charging type power supply device |
| CN2610549Y (en)* | 2003-01-28 | 2004-04-07 | 陈建宏 | Charger for mobile phone |
| EP1531535A2 (en)* | 2003-11-14 | 2005-05-18 | Sony Corporation | Battery pack, battery protection processing apparatus, and startup control method of the battery protection processing apparatus |
| EP1746702A2 (en)* | 2003-11-14 | 2007-01-24 | Sony Corporation | Battery pack with integrated battery protection circuit |
| CN1783640A (en)* | 2004-11-22 | 2006-06-07 | 因温特奥股份公司 | Integrity testing of isolation means in an uninterruptible power supply |
| CN1960114A (en)* | 2006-09-25 | 2007-05-09 | 惠州市德赛能源科技有限公司 | Uninterruptable power supply possessing multiple protection functions |
| CN102624064A (en)* | 2012-04-19 | 2012-08-01 | 彭宏伟 | Alternating current-direct current two-level isolated direct current power device |
| CN203180593U (en)* | 2013-04-18 | 2013-09-04 | 中煤科工集团重庆研究院 | Ceaseless direct current source for mining gas pipe |
| Title |
|---|
| 10kW燃料电池不间断电源系统;张文平等;《 首届直流输电与电力电子专委会学术年会》;20120801;498-505* |
| J.B. Jia et al.The Electrical Dynamic Response Study of PEMFC as a Backup Power Supply.《Control and Automation, 2007, ICCA 2007, IEEE International Conference on》.2007,1156-1161.* |
| JP特开2002-93466A 2002.03.29* |
| Kevin Fok.Metal Hydride Fuel Cells, A New and Practical Approach for Backup and Emergency Power Applications.《Telecommunications Energy Conference,2006,INTELEC 06 28th Annual International》.2006,1-6.* |
| 李思阳.基于单片机的蓄电池自动监测系统.《万方学位电子与通信工程》.2006,1-52.* |
| 熔融碳酸盐燃料电池热启动过程的人工神经网络建模;田玉冬;《动力工程》;20071231;第27卷(第6期);907-909、942* |
| 燃料电池发动机额定工况下热启动评价指标体系;侯永平等;《汽车工程学报》;20130131;第3卷(第1期);28-33* |
| 田玉冬等.熔融碳酸盐燃料电池的电气建模.《上海电机学院学报》.2007,第10卷(第4期),254-257.* |
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