技术领域technical field
本发明涉及一种改进的激光笔，尤其涉及一种带有移动电源的激光笔及其开启方法。The invention relates to an improved laser pointer, in particular to a laser pointer with a mobile power supply and an opening method thereof.
背景技术Background technique
随着电子技术的日益发展和完善，电子设备和产品已经深入到人们的日常生活的各个方面。而在教育或培训或会议中，激光笔由于具有极好的远程指示功能而被广泛的得到了应用。激光笔又名激光教鞭或指星笔，其低功率的可视激光让使用者在教学、演示时很大限度的发挥肢体语言的优势，例如让教学演讲更生动完美，其大大解决了以往在课堂和会议上使用鼠标的不便，也具有帮助天文爱好者辨认星星等优点。With the increasing development and improvement of electronic technology, electronic equipment and products have penetrated into all aspects of people's daily life. In education or training or conferences, laser pointers are widely used due to their excellent remote pointing functions. Laser pointer, also known as laser pointer or star pointer, its low-power visible laser allows users to give full play to the advantages of body language during teaching and demonstration, such as making teaching speeches more vivid and perfect, which greatly solves the problem of The inconvenience of using a mouse in classrooms and meetings also has the advantages of helping astronomy enthusiasts to identify stars.
一般的激光笔均配有电池，但现有技术中应用于激光笔中的电池不能充电，当电池没电时，必须更换；而且，并不容易在市面上买到匹配激光笔的电池，故用户通常在激光笔原有的电池用完时丢弃激光笔，这给用户造成不便，也减少了激光笔的寿命。General laser pointers are equipped with batteries, but the batteries used in laser pointers in the prior art cannot be charged, and must be replaced when the batteries are dead; moreover, it is not easy to buy batteries matching laser pointers on the market, so Users usually discard the laser pointer when the original battery of the laser pointer is used up, which causes inconvenience to the user and reduces the life of the laser pointer.
同时，现有技术中激光笔使用硬开关控制激光笔的开启，即激光笔上的按键按下，则激光笔亮。这种工作模式虽然简单方便，但对于一些不能避免的误操作（如不小心触到开关），其有可能使激光直射人眼等部位,这样比较危险。而且，更重要的是，激光笔中的激光发光装置的工作电压如果不稳定，其使得激光笔的使用不够安全可靠，且使得激光发光装置极易被损坏，以致减少了激光笔的寿命。At the same time, in the prior art, the laser pointer uses a hard switch to control the opening of the laser pointer, that is, the laser pointer is turned on when the button on the laser pointer is pressed. Although this working mode is simple and convenient, for some unavoidable misoperations (such as accidentally touching the switch), it may cause the laser to directly shine on human eyes and other parts, which is more dangerous. And, more importantly, if the operating voltage of the laser light-emitting device in the laser pointer is unstable, it makes the use of the laser pointer not safe and reliable, and makes the laser light-emitting device easily damaged, so that the life of the laser pointer is reduced.
可以理解的是，本部分的陈述仅仅提供与本发明相关的背景信息，可能构成或不构成所谓的现有技术。It should be understood that the statements in this section merely provide background information related to the present invention and may or may not constitute so-called prior art.
发明内容Contents of the invention
本发明所要解决的技术问题在于针对现有技术中激光笔的电池需要更换、寿命较短、且使用不够安全可靠的缺陷，提供一种不需更换电池、寿命长、且使用安全可靠的激光笔。The technical problem to be solved by the present invention is to provide a laser pointer that does not need to be replaced, has a long life, and is safe and reliable in view of the defects that the battery of the laser pointer in the prior art needs to be replaced, the life is short, and the use is not safe and reliable. .
本发明解决其技术问题所采用的技术方案是提供一种带有移动电源的激光笔，其包括：外壳、位于外壳内的用于提供激光的激光发光装置、及设置于外壳内的用于给所述激光发光装置供电的移动电源，移动电源包括：电池、充电控制单元、放电控制单元、主控单元、第一开关、与电池相连且置于外壳上的用于外界给电池充电的充电接口、及与电池相连且置于外壳上的用于电池给外界负载供电的放电接口；所述激光笔还包括设置于外壳上供用户发出开启或关闭激光笔的命令的第二开关，所述第二开关与主控单元的输入端相连；所述电池，用于给激光发光装置及上述各单元供电；所述充电控制单元，用于检测和控制电池的充电状态；所述放电控制单元，用于检测和控制电池的放电状态；所述第一开关，用于控制电池是否接通激光发光装置以给激光发光装置供电；所述主控单元，用于控制所述充电控制单元和放电控制单元，且还用于根据第二开关的命令及上述检测到的电池的充电状态和放电状态来控制第一开关的通断。The technical solution adopted by the present invention to solve the technical problem is to provide a laser pointer with a mobile power supply, which includes: a casing, a laser light emitting device located in the casing for providing laser light, and a laser pointer arranged in the casing for providing The mobile power supply powered by the laser light emitting device, the mobile power supply includes: a battery, a charging control unit, a discharge control unit, a main control unit, a first switch, a charging interface connected to the battery and placed on the casing for charging the battery from the outside , and a discharge interface connected to the battery and placed on the casing for the battery to supply power to external loads; the laser pointer also includes a second switch arranged on the casing for the user to issue a command to turn on or off the laser pointer, the first Two switches are connected to the input end of the main control unit; the battery is used to supply power to the laser light emitting device and the above units; the charging control unit is used to detect and control the charging state of the battery; the discharge control unit is used to It is used to detect and control the discharge state of the battery; the first switch is used to control whether the battery is connected to the laser light emitting device to supply power to the laser light emitting device; the main control unit is used to control the charging control unit and the discharge control unit , and is also used to control the on-off of the first switch according to the command of the second switch and the detected charging state and discharging state of the battery.
在上述激光笔中，所述充电接口及放电接口均为USB接口。In the above laser pointer, both the charging interface and the discharging interface are USB interfaces.
在上述激光笔中，所述充电控制单元包括：第一采样模块，用于采集充电接口上的电压、电池的充电电压、及电池的充电电流；第一存储模块，用于存储电池安全充电的参数、及存储第一采样模块采集的数据；第一控制模块，用于根据第一采样模块采集的数据及第一存储模块中存储的参数判断和控制电池的充电过程。In the above laser pointer, the charging control unit includes: a first sampling module, used to collect the voltage on the charging interface, the charging voltage of the battery, and the charging current of the battery; parameters and store the data collected by the first sampling module; the first control module is used to judge and control the charging process of the battery according to the data collected by the first sampling module and the parameters stored in the first storage module.
在上述激光笔中，所述放电控制单元包括：第二采样模块，用于采集放电接口上的电压、电池的放电电压、及电池的放电电流；第二存储模块，用于存储电池安全放电的参数、及存储第二采样模块采集的数据；第二控制模块，用于根据第二采样模块采集的数据及第二存储模块中存储的参数判断和控制电池的放电过程。In the above laser pointer, the discharge control unit includes: a second sampling module for collecting the voltage on the discharge interface, the discharge voltage of the battery, and the discharge current of the battery; parameters, and store the data collected by the second sampling module; the second control module is used to judge and control the discharge process of the battery according to the data collected by the second sampling module and the parameters stored in the second storage module.
在上述激光笔中，所述第一开关包括三极管Q1、电阻R2、R3；三极管Q1的基极通过电阻R2与所述主控单元的输出端相连，其发射极接地，其集电极通过电阻R3接激光发光装置的负极输入端，激光发光装置的正极输入端接电池的正极，电池的负极接地。In the above laser pointer, the first switch includes a triode Q1, resistors R2, R3; the base of the triode Q1 is connected to the output terminal of the main control unit through a resistor R2, its emitter is grounded, and its collector is connected through a resistor R3 It is connected to the negative input terminal of the laser light emitting device, the positive input terminal of the laser light emitting device is connected to the positive pole of the battery, and the negative pole of the battery is grounded.
在上述激光笔中，还包括防止电流倒流的保护单元，保护单元连接于电池与主控单元之间，所述保护单元包括二极管D1及电阻R1，二极管的阳极接地，其阴极通过电阻R1接电池正极，电池负极接地。In the above laser pointer, it also includes a protection unit to prevent current backflow. The protection unit is connected between the battery and the main control unit. The protection unit includes a diode D1 and a resistor R1. The anode of the diode is grounded, and its cathode is connected to the battery through the resistor R1. Positive, battery negative is grounded.
在上述激光笔中，所述第二开关为手动开关，其一端同时接二极管D1的阴极和主控单元的输入端，其另一端接地。In the above laser pointer, the second switch is a manual switch, one end of which is simultaneously connected to the cathode of the diode D1 and the input end of the main control unit, and the other end thereof is grounded.
在上述激光笔中，还包括用于充放电异常及开启激光笔异常时报警的报警单元，所述报警单元同时与充电控制单元、放电控制单元、及主控单元相连。The above laser pointer also includes an alarm unit for alarming when the charging and discharging are abnormal and when the laser pointer is turned on abnormally. The alarm unit is connected with the charging control unit, the discharge control unit, and the main control unit at the same time.
为了更好的解决上述技术问题，本发明还提供了一种激光笔的开启方法，其依次包括以下步骤：In order to better solve the above-mentioned technical problems, the present invention also provides a method for opening a laser pointer, which includes the following steps in sequence:
S1、主控单元检测判断其是否接受到开启激光笔的命令，若是，执行步骤S2，若否，继续检测判断；S1, the main control unit detects and judges whether it has received the command to turn on the laser pointer, if so, executes step S2, if not, continues to detect and judge;
S2、主控单元发出指令使移动电源中的充电控制单元开始检测电池的状态并根据检测到的状态判断电池是否在被充电，同时，主控单元发出指令使移动电源中的放电控制单元开始检测电池的状态并根据检测到的状态判断电池是否在放电；S2. The main control unit sends an instruction to make the charging control unit in the mobile power supply start to detect the state of the battery and judge whether the battery is being charged according to the detected state. At the same time, the main control unit sends an instruction to make the discharge control unit in the mobile power supply start to detect The state of the battery and judge whether the battery is discharging according to the detected state;
S3、主控单元结合充电控制单元及放电控制单元判断的结果判断电池是否处于既未被充电也未放电的状态，若是，则执行S4，若否，返回步骤S1；S3. The main control unit judges whether the battery is in a state of being neither charged nor discharged in combination with the judgment results of the charging control unit and the discharging control unit. If yes, execute S4; if not, return to step S1;
S4：主控单元发出指令开启激光笔，即主控单元发出指令闭合第一开关，以使电池给激光发光装置供电。S4: The main control unit sends an instruction to turn on the laser pointer, that is, the main control unit sends an instruction to close the first switch, so that the battery supplies power to the laser light emitting device.
在上述开启方法中，所述主控单元检测判断其是否接受到开启激光笔的命令是通过检测判断第二开关是否闭合。In the above-mentioned turning-on method, the main control unit detects and judges whether it receives the command to turn on the laser pointer by detecting whether the second switch is closed.
在上述开启方法中，检测判断第二开关是否闭合是通过检测判断主控单元上与第二开关相连的端子是否接地。In the above opening method, detecting and judging whether the second switch is closed is through detecting and judging whether the terminal connected to the second switch on the main control unit is grounded.
在上述开启方法中，所述步骤S1与S2之间还包括：等待预定时间段后，主控单元再次检测判断其是否接受到开启激光笔的命令，若是，执行步骤S2，若否，返回步骤S1。In the above-mentioned opening method, between the steps S1 and S2 also includes: after waiting for a predetermined period of time, the main control unit detects and judges whether it has received the command to turn on the laser pointer again, if yes, executes step S2, if not, returns to step S1.
在上述开启方法中，所述步骤S3还包括：在判断为否时，返回步骤S1的同时，主控单元发出指令驱动报警单元报警。In the above opening method, the step S3 further includes: when the judgment is no, returning to the step S1, and at the same time, the main control unit issues an instruction to drive the alarm unit to alarm.
本发明提供的带有移动电源的激光笔，其在外壳内同时设置激光发光装置及移动电源，通过主控单元同时控制移动电源中充电控制单元、放电控制单元、及控制第一开关来控制电池是否给激光发光装置供电，从而其将移动电源及激光笔的功能结合为一整体。即移动电源中可以充电的电池可以长久持续的给激光笔供电，所以激光笔不用更换电池，使得激光笔寿命较长，而且，通过主控单元控制充电控制单元及放电控制单元可以检测判断电池是否在充电和/或放电，且主控单元根据第二开关的有效的触发命令结合判断的电池的状态，使得仅当电池处于既不充电也不放电的状态时，才闭合第一开关，即使得激光发光装置的驱动电压稳定时才能接通激光发光装置使激光笔开启发光。故其使激光笔的使用更安全可靠。The laser pointer with mobile power supply provided by the present invention is provided with a laser light emitting device and a mobile power supply at the same time in the casing, and the main control unit simultaneously controls the charging control unit, the discharge control unit, and the first switch in the mobile power supply to control the battery. Whether to supply power to the laser light emitting device, so that it combines the functions of mobile power supply and laser pointer into a whole. That is, the rechargeable battery in the mobile power supply can continuously supply power to the laser pointer for a long time, so the laser pointer does not need to replace the battery, so that the life of the laser pointer is longer, and the charging control unit and the discharge control unit can be controlled by the main control unit to detect and judge whether the battery is During charging and/or discharging, and the main control unit combines the state of the battery judged according to the effective trigger command of the second switch, so that only when the battery is in a state of neither charging nor discharging, the first switch is closed, that is, Only when the driving voltage of the laser light-emitting device is stable can the laser light-emitting device be switched on to make the laser pointer turn on and emit light. Therefore, it makes the use of the laser pointer safer and more reliable.
附图说明Description of drawings
图1是本发明提供的带有移动电源的激光笔的外壳内的结构示意图；Fig. 1 is the structural representation in the housing of the laser pointer with mobile power provided by the present invention;
图2是本发明提供的激光笔一实施例的结构示意图；Fig. 2 is a schematic structural view of an embodiment of a laser pointer provided by the present invention;
图3是本发明提供的激光笔一实施例中第二开关结合保护单元与主控单元的连接示意图；Fig. 3 is a schematic diagram of the connection between the second switch combined with the protection unit and the main control unit in an embodiment of the laser pointer provided by the present invention;
图4是本发明提供的激光笔一实施例中第一开关及其周围结构的电路示意图；4 is a schematic circuit diagram of the first switch and its surrounding structures in an embodiment of the laser pointer provided by the present invention;
图5是本发明提供的一实施例中开启激光笔的工作流程图。Fig. 5 is a working flow chart of turning on the laser pointer in an embodiment provided by the present invention.
具体实施方式detailed description
为了使本发明所解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
本发明提供的激光笔结合移动电源，使得激光笔的电池不用更换，可以长期使用移动电源中的电池，从而提高了激光笔的使用寿命，而且其能够使激光笔的使用更安全可靠。参见图1至图5所示，本发明提供的带有移动电源的激光笔主要包括：外壳、激光发光装置7、移动电源、及用于开启或关闭激光笔的第二开关8。激光发光装置7设置于外壳内，其用于提供使激光笔发光的激光源。移动电源设置于外壳内，以给激光发光装置7供电，进而驱动激光发光装置7发出激光。第二开关8设置于外壳上，以供用户发出开启或关闭激光笔的命令，第二开关8通过与主控单元5的输入端相连，以向主控单元5发出指令，进而由主控单元5控制最终是否开启或关闭激光笔。移动电源包括电池2、充电控制单元4、放电控制单元3、主控单元5、第一开关6、与电池2相连且置于外壳上的用于外界给电池2充电的充电接口1、及与电池相连且置于外壳上的用于电池给外界负载供电的放电接口。其中，电池2用于给激光发光装置7、充电控制单元4、放电控制单元3、主控单元5及其它所有需要供电的单元供电；充电控制单元4用于检测和控制电池2的充电状态，即充电控制单元4检测电池2是否处于充电状态及检测电池2充电的电压电流等状态，且充电控制单元4控制电池2的充电状态；同样，放电控制单元3，用于检测和控制电池2的放电状态；第一开关6用于控制电池2是否接通激光发光装置7以给激光发光装置7供电；即第一开关6的通断决定电池2是否可以开始给激光发光装置7供电，而第一开关6的通断受控于主控单元5。具体的，主控单元5用于控制充电控制单元4的工作、放电控制单元3的工作、且根据第二开关8的命令和电池2的充电状态和放电状态来控制第一开关6的通断。The laser pointer provided by the invention is combined with a mobile power supply so that the battery of the laser pointer does not need to be replaced, and the battery in the mobile power supply can be used for a long time, thereby improving the service life of the laser pointer and making the use of the laser pointer safer and more reliable. 1 to 5, the laser pointer with mobile power provided by the present invention mainly includes: a housing, a laser light emitting device 7, a mobile power supply, and a second switch 8 for turning on or off the laser pointer. The laser light emitting device 7 is arranged in the casing, and it is used to provide a laser source for making the laser pointer emit light. The mobile power supply is arranged in the casing to supply power to the laser light emitting device 7, and then drive the laser light emitting device 7 to emit laser light. The second switch 8 is arranged on the shell for the user to issue an order to turn on or off the laser pointer. The second switch 8 is connected to the input end of the main control unit 5 to send instructions to the main control unit 5, and then the main control unit 5 Control whether to turn on or off the laser pointer at last. The mobile power supply includes a battery 2, a charging control unit 4, a discharge control unit 3, a main control unit 5, a first switch 6, a charging interface 1 connected to the battery 2 and placed on the casing for charging the battery 2 from the outside, and The discharge interface used for the battery to supply power to external loads connected to the battery and placed on the casing. Among them, the battery 2 is used to supply power to the laser light emitting device 7, the charging control unit 4, the discharge control unit 3, the main control unit 5 and all other units that need power supply; the charging control unit 4 is used to detect and control the charging state of the battery 2, That is, the charging control unit 4 detects whether the battery 2 is in a charging state and detects the voltage and current of the battery 2 charging, and the charging control unit 4 controls the charging state of the battery 2; Discharge state; the first switch 6 is used to control whether the battery 2 is connected to the laser light emitting device 7 to supply power to the laser light emitting device 7; that is, the on-off of the first switch 6 determines whether the battery 2 can start to supply power to the laser light emitting device 7, and the second The on-off of a switch 6 is controlled by the main control unit 5 . Specifically, the main control unit 5 is used to control the work of the charge control unit 4 and the discharge control unit 3, and to control the on-off of the first switch 6 according to the command of the second switch 8 and the charge state and discharge state of the battery 2 .
当主控单元5接收到第二开关8发出的开启激光笔的命令后，主控单元5通过输出指令控制充电控制单元4及放电控制单元3的工作，即检测控制电池2的状态，主控单元5接收到充电控制单元4反馈回来的电池2的充电状态及放电控制单元3反馈回来的电池2的放电状态后，如果电池2处于既未充电也未放电，则其发出指令闭合第一开关6，进而使电池2给激光发光装置7供电，即最终开启激光笔。激光笔开启后，当主控单元5检测到第二开关8闭合后，主控单元5发出指令断开第一开关6，即使电池2停止给激光发光装置7供电，进而使激光笔关掉；同时，主控单元5根据情况控制是否使充电控制单元4及放电控制单元3停止工作，例如，此时电池2依然既未充电也未放电，则主控单元5使充电控制单元4及放电控制单元3停止工作，如果电池2处于充电和/或放电，则主控单元5继续控制充电控制单元4和/或放电控制单元3的工作。After the main control unit 5 receives the command to turn on the laser pointer sent by the second switch 8, the main control unit 5 controls the work of the charging control unit 4 and the discharge control unit 3 by outputting instructions, that is, detects and controls the state of the battery 2, and the main control unit 5 After the unit 5 receives the charging state of the battery 2 fed back by the charging control unit 4 and the discharging state of the battery 2 fed back by the discharging control unit 3, if the battery 2 is neither charged nor discharged, it issues an instruction to close the first switch 6. Then make the battery 2 supply power to the laser light-emitting device 7, that is, finally turn on the laser pointer. After the laser pointer is turned on, when the main control unit 5 detects that the second switch 8 is closed, the main control unit 5 issues an instruction to turn off the first switch 6, even if the battery 2 stops supplying power to the laser light emitting device 7, and then the laser pointer is turned off; Simultaneously, main control unit 5 controls whether to make charge control unit 4 and discharge control unit 3 stop working according to situation, for example, now battery 2 is still neither charged nor discharged, then main control unit 5 makes charge control unit 4 and discharge control The unit 3 stops working. If the battery 2 is charging and/or discharging, the main control unit 5 continues to control the operation of the charging control unit 4 and/or the discharging control unit 3 .
本发明提供的激光笔通过充电接口1能随时给电池2充电，同时，激光笔的外壳上设置有用于电池2给外界负载供电的放电接口，故其可以同时具有移动电源的功能，既可以随时给电池2充电也可以通过电池2随时给外界放电。更优选地，充电接口1及放电接口均为USB接口，以便与各种型号的终端匹配，使其通用性和方便性更好。其中，激光发光装置7的结构为现有技术所熟知，在此不再赘述。The laser pointer provided by the present invention can charge the battery 2 at any time through the charging interface 1. At the same time, the shell of the laser pointer is provided with a discharge interface for the battery 2 to supply power to the external load, so it can also have the function of a mobile power supply, which can be used at any time. Charging the battery 2 can also discharge the battery 2 to the outside world at any time. More preferably, both the charging interface 1 and the discharging interface are USB interfaces, so as to match with various types of terminals, so as to make them more versatile and convenient. Wherein, the structure of the laser light emitting device 7 is well known in the prior art and will not be repeated here.
再次参见图2所示实施例，充电控制单元4包括第一采样模块、第一存储模块、及第一控制模块。其中，第一采样模块用于采集充电接口1上的电压及采集电池2的工作特性，例如电池2充电时，采集电池2的充电电压、充电电流、工作温度等工作特性；第一存储模块将第一采样模块采集的数据进行存储，同时，第一存储模块存储有电池2处于安全充电状态时的参数；第一控制模块，用于根据第一采样模块采集的数据及第一存储模块中存储的参数判断和控制电池2的充电过程。具体的，第一控制模块接收到主控单元5发出的开始采集电池2的状态的信号后，其发出指令给第一采样模块开始采样。当第一控制模块接收到第一采样模块采集的数据后，其如果发现充电接口1上的电压不为零，例如为5V时，其判断电池2处于充电状态，则第一控制模块发出指令使第一采样模块继续采集电池2的充电电压、充电电流、及温度，并将采集到的数据与第一存储模块中安全充电的参数比较判断电池2是否处于过充或温度过高，如果是，则第一控制模块发出指令停止充电。上述中，充电控制模块通过检测判断充电接口1上的电压来判断电池2是否处于充电状态，但本发明提供的激光笔并不局限于此，也可以采用本领域熟知的其它方式。则充电控制单元4会局部的据此有相应的改动，判断电池2是否处于充电的方法及第一采样模块的结构为本领域技术人员所熟知的技术，在此不再赘述。Referring to the embodiment shown in FIG. 2 again, the charging control unit 4 includes a first sampling module, a first storage module, and a first control module. Among them, the first sampling module is used to collect the voltage on the charging interface 1 and the working characteristics of the battery 2, for example, when the battery 2 is charging, collect the charging voltage, charging current, operating temperature and other working characteristics of the battery 2; the first storage module will The data collected by the first sampling module is stored, and at the same time, the first storage module stores the parameters when the battery 2 is in a safe charging state; the first control module is used to store the data collected by the first sampling module and the first storage module The parameters judge and control the charging process of the battery 2. Specifically, after the first control module receives a signal from the main control unit 5 to start collecting the state of the battery 2 , it sends an instruction to the first sampling module to start sampling. After the first control module receives the data collected by the first sampling module, if it finds that the voltage on the charging interface 1 is not zero, such as 5V, it judges that the battery 2 is in a charging state, and the first control module sends an instruction to make The first sampling module continues to collect the charging voltage, charging current, and temperature of the battery 2, and compares the data collected with the parameters of safe charging in the first storage module to determine whether the battery 2 is overcharged or the temperature is too high. If so, Then the first control module issues an instruction to stop charging. In the above, the charging control module judges whether the battery 2 is in the charging state by detecting and judging the voltage on the charging interface 1, but the laser pointer provided by the present invention is not limited thereto, and other methods well known in the art can also be used. The charging control unit 4 will be partially modified accordingly. The method for judging whether the battery 2 is charging and the structure of the first sampling module are well known to those skilled in the art, and will not be repeated here.
优选地，放电控制单元3包括：第二采样模块，用于采集放电接口9上的电压、电池2的放电电压、及电池2的放电电流；第二存储模块，用于存储电池2安全放电的参数、及存储第二采样模块采集的数据；第二控制模块，用于根据第二采样模块采集的数据及第二存储模块中存储的参数判断和控制电池2的放电过程。放电控制单元3的结构及原理与上述充电控制单元4的类似。第二控制模块根据第二采样模块采集到的放电接口9上的电压来判断电池2是否处于放电状态，如果是，则发出指令检测并控制其放电过程。Preferably, the discharge control unit 3 includes: a second sampling module for collecting the voltage on the discharge interface 9, the discharge voltage of the battery 2, and the discharge current of the battery 2; parameters, and store the data collected by the second sampling module; the second control module is used to judge and control the discharge process of the battery 2 according to the data collected by the second sampling module and the parameters stored in the second storage module. The structure and principle of the discharge control unit 3 are similar to those of the above-mentioned charge control unit 4 . The second control module judges whether the battery 2 is in the discharge state according to the voltage on the discharge interface 9 collected by the second sampling module, and if so, issues an instruction to detect and control the discharge process.
第一开关6主要用于接通或断开电池2与激光发光装置7的回路，实现电池2是否给激光发光装置7供电。参见图4所示实施例，优选地，第一开关6包括三极管Q1、电阻R2、R3；三极管Q1的基极通过电阻R2与所述主控单元5的输出端相连，其发射极接地，其集电极通过电阻R3接激光发光装置7的负极输入端（图中J1代表激光发光装置），激光发光装置7的正极输入端接电池2的正极，电池2的负极接地。其中，三极管Q1为NPN型三极管。其工作原理如下：主控单元5与电阻R2相连的一端通常为低电平，故三极管通常处于断开状态，而三极管的集电极接激光发光装置7的负极输入端，且激光发光装置7的正极输入端接电池2的正极，电池2的负极接地，故通常情况下，电池2与激光发光装置7之间处于断开，电池2无法给激光发光装置7供电。当主控单元5发出指令闭合第一开关6时，主控单元5与电阻R2相连的一端输出高电平，故三极管导通，其发射极接地，故电池2与激光发光装置7与地构成完整的回路，电池2可以开始给激光发光装置7供电，进而可以实现开启激光笔。由上可知，第一开关6结构简单，且其响应速度快，使得激光笔的开启与关闭更快捷。优选地，第二开关8为手动开关，在一实施例中，第二开关S2的一端同时接二极管D1的阴极和主控单元5的输入端，其另一端接地。即第二开关S2相当于激光笔外壳上的为用户所熟知的按键，以供用户发出开启或关闭激光笔的命令。当用户按下按键时，与按键相连的主控单元5的输入端接收到接地信号，于是，主控单元5被触发开始命令充电控制单元4及放电控制单元3开始检测反馈电池2的状态。The first switch 6 is mainly used to connect or disconnect the circuit between the battery 2 and the laser light emitting device 7 to realize whether the battery 2 supplies power to the laser light emitting device 7 . Referring to the embodiment shown in Figure 4, preferably, the first switch 6 includes a triode Q1, resistors R2, R3; the base of the triode Q1 is connected to the output end of the main control unit 5 through a resistor R2, its emitter is grounded, and its The collector is connected to the negative input terminal of the laser light emitting device 7 through the resistor R3 (J1 in the figure represents the laser light emitting device), the positive input terminal of the laser light emitting device 7 is connected to the positive pole of the battery 2, and the negative pole of the battery 2 is grounded. Wherein, the transistor Q1 is an NPN transistor. Its working principle is as follows: the end connected to the main control unit 5 and the resistor R2 is usually low level, so the triode is usually in an off state, and the collector of the triode is connected to the negative input terminal of the laser light emitting device 7, and the laser light emitting device 7 The positive input terminal is connected to the positive pole of the battery 2, and the negative pole of the battery 2 is grounded, so normally, the battery 2 is disconnected from the laser light emitting device 7, and the battery 2 cannot supply power to the laser light emitting device 7. When the main control unit 5 issues an instruction to close the first switch 6, the end of the main control unit 5 connected to the resistor R2 outputs a high level, so the triode is turned on, and its emitter is grounded, so the battery 2 and the laser light emitting device 7 are connected to the ground. After a complete circuit, the battery 2 can start to supply power to the laser light emitting device 7, and then the laser pointer can be turned on. It can be seen from the above that the structure of the first switch 6 is simple, and its response speed is fast, so that the laser pointer can be turned on and off more quickly. Preferably, the second switch 8 is a manual switch. In one embodiment, one end of the second switch S2 is connected to the cathode of the diode D1 and the input end of the main control unit 5 at the same time, and the other end is grounded. That is, the second switch S2 is equivalent to a well-known button on the casing of the laser pointer for the user to issue a command to turn on or off the laser pointer. When the user presses the button, the input terminal of the main control unit 5 connected to the button receives a ground signal, and then the main control unit 5 is triggered to start ordering the charge control unit 4 and the discharge control unit 3 to start detecting the state of the feedback battery 2 .
主控单元5主要通过单片机结合程序实现。优选地，激光笔还包括保护单元，保护单元连接于电池2与主控单元5之间，电池2用于给主控单元5供电。保护单元包括二极管D1及电阻R1，二极管的阳极接地，其阴极通过电阻R1接电池2正极，电池2负极接地。如果电池2提供的电压较高，通常会在电池2与主控单元5之间增加一将电池2电压降低的转换器，以驱动主控单元5中的单片机，此时，保护单元连接于转换器与主控单元5之间。例如图3中，经转换器将电池2的电源转换为低电压后的DVCC端，保护单元连接于DVCC与主控单元5的输入端之间。保护单元可以用于防止电池2或转换器至主控单元5之间的电流倒流。The main control unit 5 is mainly realized by combining a single-chip microcomputer with a program. Preferably, the laser pointer further includes a protection unit connected between the battery 2 and the main control unit 5 , and the battery 2 is used to supply power to the main control unit 5 . The protection unit includes a diode D1 and a resistor R1, the anode of the diode is grounded, the cathode thereof is connected to the positive pole of the battery 2 through the resistor R1, and the negative pole of the battery 2 is grounded. If the voltage provided by the battery 2 is higher, a converter that lowers the voltage of the battery 2 is usually added between the battery 2 and the main control unit 5 to drive the single-chip microcomputer in the main control unit 5. At this time, the protection unit is connected to the converter device and the main control unit 5. For example, in FIG. 3 , the power supply of the battery 2 is converted into a low-voltage DVCC terminal through a converter, and the protection unit is connected between DVCC and the input terminal of the main control unit 5 . The protection unit can be used to prevent the reverse flow of current between the battery 2 or the converter and the main control unit 5 .
本发明提供的激光笔还包括报警单元，其同时与充电控制单元4、放电控制单元3、及主控单元5的输出端相连。当充电控制单元4检测到电池2充电异常时，其发出指令驱动报警单元报警，同时发出指令断开电池2停止给电池2充电；同理，放电控制单元3检测到电池2放电异常时，驱动报警单元报警并停止放电；当主控单元5检测到开启激光笔异常时，主控单元5驱动报警单元报警。具体的，当主控单元5受到第二开关8的开启命令时，若主控单元5发现电池2不是出于待机状态（即既未被充电也未放电）时，为了保护激光笔，主控单元5不开启激光笔，其同时通过报警单元发出警报，以通知用户激光笔暂时不能开启。The laser pointer provided by the present invention also includes an alarm unit, which is connected to the output terminals of the charging control unit 4 , the discharging control unit 3 , and the main control unit 5 at the same time. When the charging control unit 4 detects that the battery 2 is abnormally charged, it sends an instruction to drive the alarm unit to report to the police, and at the same time sends an instruction to disconnect the battery 2 and stop charging the battery 2; The alarm unit alarms and stops discharging; when the main control unit 5 detects that the laser pointer is abnormally turned on, the main control unit 5 drives the alarm unit to alarm. Specifically, when the main control unit 5 receives the turn-on command of the second switch 8, if the main control unit 5 finds that the battery 2 is not in the standby state (that is, it is neither charged nor discharged), in order to protect the laser pointer, the main control Unit 5 does not turn on the laser pointer, and it sends an alarm through the alarm unit to notify the user that the laser pointer cannot be turned on temporarily.
本发明还提供了一种带有移动电源的激光笔的开启方法，其依次包括以下步骤：The present invention also provides a method for opening a laser pointer with a mobile power supply, which sequentially includes the following steps:
S1、主控单元检测判断其是否接受到开启激光笔的命令，若是，执行步骤S2，若否，继续检测判断；即主控单元检测判断是否有用户按下激光笔上的按键发出开启激光笔的命令；S1, the main control unit detects and judges whether it has received the command to turn on the laser pointer, if so, executes step S2, if not, continues to detect and judge; that is, the main control unit detects and judges whether a user presses the button on the laser pointer to send the laser pointer to start The command;
S2、主控单元发出指令使移动电源中的充电控制单元开始检测电池的状态并根据检测到的状态判断电池是否在被充电，同时，主控单元发出指令使移动电源中的放电控制单元开始检测电池的状态并根据检测到的状态判断电池是否在放电，即主控单元命令充电控制单元和放电控制单元检测并判断电池的状态；S2. The main control unit sends an instruction to make the charging control unit in the mobile power supply start to detect the state of the battery and judge whether the battery is being charged according to the detected state. At the same time, the main control unit sends an instruction to make the discharge control unit in the mobile power supply start to detect The state of the battery and judge whether the battery is discharging according to the detected state, that is, the main control unit orders the charge control unit and the discharge control unit to detect and judge the state of the battery;
S3、主控单元结合充电控制单元及放电控制单元判断的结果判断电池是否处于既未被充电也未放电的状态，若是，则执行S4，若否，返回步骤S1；S3. The main control unit judges whether the battery is in a state of being neither charged nor discharged in combination with the judgment results of the charging control unit and the discharging control unit. If yes, execute S4; if not, return to step S1;
S4：主控单元发出指令开启激光笔，即主控单元发出指令闭合第一开关，以使电池给激光发光装置供电。S4: The main control unit sends an instruction to turn on the laser pointer, that is, the main control unit sends an instruction to close the first switch, so that the battery supplies power to the laser light emitting device.
所以，本发明提供的激光笔的开启方法可以控制实现激光发光装置仅在驱动电压稳定时工作，即仅在电池处于待机时才工作。这样可以保证激光发光装置的工作电压稳定，进而使激光笔的工作安全可靠，也延长了激光发光装置及激光笔的寿命。同时，结合移动电源使得激光笔的电池不用更换，也增加了激光笔的寿命。Therefore, the method for turning on the laser pointer provided by the present invention can be controlled so that the laser light emitting device only works when the driving voltage is stable, that is, only works when the battery is in standby. This can ensure the stability of the working voltage of the laser light emitting device, thereby making the laser pointer work safely and reliably, and prolonging the service life of the laser light emitting device and the laser pointer. At the same time, the battery of the laser pointer does not need to be replaced in combination with a mobile power supply, which also increases the life of the laser pointer.
优选地，在骤S1与S2之间还包括：等待预定时间段后，主控单元再次检测判断其是否接受到开启激光笔的命令，若是，执行步骤S2，若否，返回步骤S1。即如果外界不小心触发按了下按键（即第二开关），如果是误操作，通常第二开关会反弹回来继续保持断开状态，通过延时检测会检测到第二开关处于断开状态，则主控单元不使激光笔亮，如果真的是用户通过第二开关发出开启激光笔的命令，则主控单元延时一很小的时间段后依然可以检测到第二开关发出的开启命令。故本发明提供的激光笔可以避免误操作开启激光笔带来的危险。同时优选地，步骤S3还包括：在判断为否时，返回步骤S1的同时，主控单元发出指令驱动报警单元报警，即向用户发出开启异常的报警，以便用户知道激光笔的状态。Preferably, between steps S1 and S2, it further includes: after waiting for a predetermined period of time, the main control unit checks again to determine whether it has received the command to turn on the laser pointer, if yes, execute step S2, if not, return to step S1. That is, if the outside world accidentally triggers the button (that is, the second switch), if it is a misoperation, usually the second switch will bounce back and continue to keep the off state, and the second switch will be detected to be in the off state through the delay detection. Then the main control unit does not make the laser pointer bright, if the user really sends an order to turn on the laser pointer through the second switch, then the main control unit can still detect the opening command sent by the second switch after a delay of a very small period of time . Therefore, the laser pointer provided by the present invention can avoid the danger of turning on the laser pointer by mistake. At the same time, preferably, step S3 further includes: when the judgment is negative, returning to step S1, the main control unit issues an instruction to drive the alarm unit to alarm, that is, an alarm is issued to the user for abnormal activation, so that the user can know the state of the laser pointer.
结合图5所示的实施例说明其工作过程如下：首先，执行步骤S11，主控单元检测判断其是否接受到开启激光笔的命令，此时，若有按键按下发出开启命令，执行步骤S12，若否，继续检测判断；步骤S12，等待200MS后，主控单元再次检测判断其是否接受到开启激光笔的命令，若是，执行步骤S13，若否，返回步骤S11；即依然检测到开启激光笔的命令时，表示本次开启命令非误操作，开始执行步骤S13：主控单元中单片机输出高电平驱动充电控制单元及放电控制单元开始检测电池的状态；充电控制单元将检测判断的结果反馈给主控单元，且放电控制单元将检测到的结果反馈给主控单元，然后执行步骤S14：主控单元根据接收到充电控制单元及放电控制单元反馈的判断结果判断出电池是否处于待机状态，若是，执行步骤S15，则主控单元输出高电平命令使第一开关闭合，从而电池连接到激光发光装置，则激光笔亮，同时主控单元通过控制信号使移动电源不能充电也不能对外界放电。若上面主控单元判断电池不是处于待机状态，则其返回步骤S11继续检测判断是否有开启激光笔的命令，同时，主控单元会控制充电控制单元和/或放电控制单元的充放电状态，而且，主控单元发出指令驱动报警单元报警，以告诉用户开启异常。在激光笔亮后，若主控单元检测到关闭激光笔的命令（即第二开关闭合），则单片机输出低电平，即主控单元发出指令断开第一开关，激光笔灭。In conjunction with the embodiment shown in Figure 5, its working process is described as follows: first, step S11 is executed, and the main control unit detects and judges whether it has received the command to turn on the laser pointer. , if not, continue to detect and judge; step S12, after waiting for 200MS, the main control unit detects again to judge whether it has received the command to turn on the laser pointer, if so, execute step S13, if not, return to step S11; that is, it still detects that the laser pointer is turned on When the command of the pen is issued, it means that the opening command is not a wrong operation, and step S13 is started: the single-chip microcomputer in the main control unit outputs a high level to drive the charging control unit and the discharging control unit to start detecting the state of the battery; the charging control unit will detect the result of the judgment Feedback to the main control unit, and the discharge control unit feeds back the detected results to the main control unit, and then execute step S14: the main control unit judges whether the battery is in a standby state according to the judgment results received from the charging control unit and the discharge control unit , if yes, execute step S15, then the main control unit outputs a high-level command to close the first switch, so that the battery is connected to the laser light emitting device, and the laser pointer lights up. At the same time, the main control unit prevents the mobile power supply from being charged or External discharge. If the above main control unit judges that the battery is not in a standby state, then it returns to step S11 to continue detecting and judging whether there is an order to turn on the laser pointer. , the main control unit sends an instruction to drive the alarm unit to alarm, so as to tell the user that the abnormality is enabled. After the laser pointer is on, if the main control unit detects the command to turn off the laser pointer (that is, the second switch is closed), the single-chip microcomputer outputs a low level, that is, the main control unit sends an instruction to turn off the first switch, and the laser pointer is off.
主控单元的输入端可以通过多种方式检测判断用户是否发出开启激光笔的命令。由于第二开关优选为手动开关，开启激光笔的命令通过闭合第二开关实现，故主控单元检测判断其是否接受到开启激光笔的命令是通过检测判断第二开关是否闭合。更优选地，作为第二开关的手动开关的一端接地，故优选地，检测判断第二开关是否闭合是通过检测判断主控单元上与第二开关相连的端子是否接地，即检测判断该端子是否有接地信号输入。The input terminal of the main control unit can detect and judge whether the user issues a command to turn on the laser pointer in various ways. Since the second switch is preferably a manual switch, the command to turn on the laser pointer is realized by closing the second switch, so the main control unit detects and judges whether it receives the command to turn on the laser pointer by detecting whether the second switch is closed. More preferably, one end of the manual switch as the second switch is grounded, so preferably, detecting and judging whether the second switch is closed is by detecting and judging whether the terminal connected to the second switch on the main control unit is grounded, that is, detecting and judging whether the terminal is connected to the ground or not. There is a ground signal input.
因为充放电会使电池电压有明显的波动,所以电池对外界放电或受外界充电的过程与激光笔发出激光的过程分开使用，可以避免激光发光装置在工作时因电压不稳定而损坏，从而可以提高激光笔的寿命。本发明提供的激光笔的外壳可以做出常规的笔的形状，也可以做出常规的移动电源的形状，其可以同时具有激光笔及移动电源的功能。Because charging and discharging will cause obvious fluctuations in the battery voltage, the process of discharging or charging the battery to the outside world and the process of emitting laser light from the laser pointer can be used separately to avoid damage to the laser light-emitting device due to unstable voltage during operation, so that it can Improve the life of the laser pointer. The shell of the laser pointer provided by the present invention can be made in the shape of a conventional pen, or in the shape of a conventional mobile power supply, and it can have the functions of a laser pointer and a mobile power supply at the same time.
综上所述，本发明提供的激光笔通过移动电源中的主控单元、充电控制单元、放电控制单元、结合第一开关、第二开关的控制，可以实现只在电池处于待机的时候开启第二开关才能开启激光笔。所以，其可减少对激光笔的损伤，而且，主控单元还可以根据对第二开关的命令进行延时检测，可以避免外界对激光笔的误操作导致的误启动，所以，本发明提供的激光笔的开启更安全可靠，进而能有效的保护电池及激光笔。同时，激光笔中的电池不用更换，其能长期使用，进而提高了激光笔的寿命。In summary, the laser pointer provided by the present invention can be controlled by the main control unit, the charging control unit, the discharge control unit in the mobile power supply, combined with the first switch and the second switch, so that the second switch can be turned on only when the battery is on standby. Two switches to turn on the laser pointer. Therefore, it can reduce the damage to the laser pointer, and the main control unit can also perform delay detection according to the command of the second switch, which can avoid the false start caused by the misoperation of the laser pointer by the outside world. Therefore, the present invention provides The opening of the laser pointer is safer and more reliable, which can effectively protect the battery and the laser pointer. At the same time, the battery in the laser pointer does not need to be replaced, and it can be used for a long time, thereby improving the service life of the laser pointer.
在本发明的描述中，除非另有规定和限定，需要说明的是，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是机械连接或电连接，也可以是两个元件内部的连通，可以是直接相连，也可以通过中间媒介间接相连，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or two The internal communication of each element may be directly connected or indirectly connected through an intermediary. Those skilled in the art can understand the specific meanings of the above terms according to specific situations.
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266599.4ACN103576908B (en) | 2012-07-30 | 2012-07-30 | A kind of laser pen with portable power source and open method thereof |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210266599.4ACN103576908B (en) | 2012-07-30 | 2012-07-30 | A kind of laser pen with portable power source and open method thereof |
| Publication Number | Publication Date |
|---|---|
| CN103576908A CN103576908A (en) | 2014-02-12 |
| CN103576908Btrue CN103576908B (en) | 2016-09-07 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210266599.4AExpired - Fee RelatedCN103576908B (en) | 2012-07-30 | 2012-07-30 | A kind of laser pen with portable power source and open method thereof |
| Country | Link |
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| CN (1) | CN103576908B (en) |
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