CN108898802B - Combustible toxic gas intelligent alarm system powered by dry battery - Google Patents

Abstract

The application provides a pair of combustible toxic gas intelligent alarm system of dry battery power supply relates to toxic gas alarm technical field. The intelligent gas alarm system comprises a power distribution cabinet, a gas alarm controller, an intelligent supervision terminal and a gas alarm. The gas alarm comprises an information processing module, a power supply module, a gas sensor module, a wireless transmission module and the like, and air is detected by the gas sensor module and transmitted to the information processing module for processing. The gas alarm device can be powered by the gas alarm controller, can also be powered by a dry battery directly, and can transmit signals through a signal line and also can transmit signals through a wireless transmission module. The application provides an intelligent alarm system, according to the actual conditions who waits to detect the area, the gas alarm of rational arrangement, detected signal is accurate reliable, can avoid misstatement, the erroneous judgement phenomenon that the decay caused among the signal transmission process, effectively supervise and wait to detect the area, improves the accuracy that detects, improves local utilization efficiency, has better practicality.

Description

Combustible toxic gas intelligent alarm system powered by dry battery

Technical Field

The application relates to the technical field of toxic gas alarm, in particular to a combustible toxic gas intelligent alarm system powered by dry batteries.

Background

In the industrial production process, toxic gases such as carbon monoxide and the like are often generated, so that a toxic gas alarm is required to be installed in a production workshop, whether toxic gas leakage exists in the workshop or not is detected, and once the toxic gas is detected, the gas alarm gives an alarm to prompt workers in the workshop to evacuate as soon as possible so as to avoid toxic accidents.

At present, a workshop mostly adopts an online fixed gas alarm, the installation structure of the gas alarm is shown in figure 1, a power distribution cabinet provides power to a gas alarm controller, the gas alarm controller transmits the power to each fixed gas alarm, wherein an electric wire connected with the fixed gas alarm is of a three-core structure, and one core is a signal wire. The fixed gas alarm in the market generally adopts alternating current, the power supply form is AC:220-24DC/V, AC220 alternating current power supply of an on-site low-voltage power distribution cabinet is introduced into a switching power supply (AC220-24DC) or is directly connected into a gas alarm controller provided by a manufacturer, and then 24V direct current power supply in the gas alarm controller is supplied to the fixed gas alarm. The fixed gas alarm has the following characteristics: first, the stationary gas alarm itself does not have a DC24V power source and requires a separate DC power source. Secondly, the fixed gas alarm can only receive DC24V power input, has no power output function, and the signal transmission line and the power line belong to a multi-core line of one electric wire. Thirdly, in some special chemical engineering plants, when the switching power supply (AC220-24DC) cannot be configured on site or the switching power supply (AC220-24DC) is assembled, the excessive cost is required, and therefore, a fixed gas alarm cannot be installed on site generally. Finally, the fixed gas alarm has a long distance between the probe and the gas alarm controller, which is generally over 1000m, and has a long distance, and the energy attenuation of the power supply is serious, which sometimes results in insufficient power supply, thereby weakening the return signal, causing poor quality of the signal received by the gas alarm controller, and having a site with misinformation and misjudgment, and having no real and effective monitoring and collecting function.

Therefore, there is a need for a mobile alarm system that is accurate in detection and transmission.

Disclosure of Invention

The application provides an intelligent alarm system of dry battery power supply to solve the longer signal transmission of circuit that current fixed gas alarm has poor, the mains operated is not enough, unable complete adaptation workshop state scheduling problem.

A dry battery powered combustible toxic gas intelligent alarm system, comprising: the intelligent monitoring system comprises a power distribution cabinet, a gas alarm controller, an intelligent monitoring terminal and a gas alarm, wherein the power distribution cabinet outputs current to the gas alarm controller, and the gas alarm controller outputs signals to the intelligent monitoring terminal;

the gas alarm comprises a gas sensor module, a display module, an indicator lamp module, a wireless transmission module and a buzzer, wherein the gas sensor module, the display module, the indicator lamp module, the wireless transmission module and the buzzer are respectively connected with an information processing module and a power supply module; the power supply module comprises a line connection module and a dry battery module which are connected in parallel; the circuit connection module comprises a signal wire;

and the gas alarm outputs a signal to the gas alarm controller or the intelligent supervision terminal.

Optionally, the information processing module includes a data receiving module, a storage sub-module, an instruction sub-module, and a processing sub-module respectively connected to the data receiving module, the storage sub-module, and the instruction sub-module.

Optionally, the gas sensor module comprises a semiconductor gas sensor.

Optionally, the indicator light module includes a working indicator light, a fault indicator light, and an alarm indicator light.

Optionally, the dry battery module adopts a rechargeable dry battery.

Optionally, the wireless transmission module may be any one of bluetooth and wireless broadband WIFI.

Optionally, the gas alarm further comprises a protective casing and a mounting bracket.

The technical scheme provided by the application comprises the following beneficial technical effects:

compared with the prior art, the intelligent alarm system of dry battery power supply that this application provided includes switch board, gaseous alarm control ware, intelligent supervision terminal, gas alarm. The gas alarm comprises an information processing module, a power supply module, a gas sensor module, a display module, an indicator light module, a wireless transmission module and a buzzer, wherein the gas sensor module is used for detecting whether toxic gas is contained in the air at a production workshop or a local position, preliminarily analyzing the toxic gas and transmitting the toxic gas to the information processing module for further analysis; the information processing module comprises a microprocessor which analyzes, classifies, summarizes and records the information and sends instructions to the display module, the indicator light module, the wireless transmission module and the buzzer so as to enable other modules to make corresponding actions; the gas alarm device can be powered by the gas alarm controller, can be directly powered by the dry battery, can directly transmit signals through a signal line, and can also transmit wireless signal transmission signals through the wireless transmission module. Use semiconductor gas sensitive element to detect toxic gas, accessible bluetooth or wireless broadband WIFI transmission signal, gas alarm has protecting sheathing and installing support outward, can be convenient install gas alarm in suitable position department. The application provides an intelligent alarm system of dry battery power supply, according to the actual conditions who waits to detect the area, the gaseous alarm of rational arrangement, especially to some inconvenient places that set up switch board and gaseous alarm controller, can set up the alarm detection air of dry battery power supply, through wireless transmission mode transmission signal, the detected signal is accurate reliable, can avoid the wrong report that the decay caused among the signal transmission process, the misjudgement scene, can effectively supervise and wait to detect the area, improve the accuracy that detects, improve local utilization efficiency, better practicality has.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.

Fig. 1 is a layout diagram of an existing on-line monitoring system for a stationary gas alarm provided in an embodiment of the present application.

Fig. 2 is a layout diagram of a dry battery powered combustible toxic gas intelligent alarm system provided in the embodiment of the present application.

Fig. 3 is a structural diagram of a gas alarm provided in the embodiment of the present application.

Description of reference numerals: 1. a power distribution cabinet; 2. a gas alarm controller; 3. an intelligent supervision terminal; 4. a gas alarm; 401. an information processing module; 402. a power supply module; 403. a gas sensor module; 404. a display module; 405. an indicator light module; 406. a wireless transmission module; 407. a buzzer; 408. a line connection module; 409. a dry battery module; 410. a data receiving module; 411. a storage submodule; 412. an instruction submodule; 413. and a processing submodule.

Detailed Description

Referring to fig. 2, the structure of the intelligent alarm system provided by the present application is shown.

A dry battery powered combustible toxic gas intelligent alarm system, comprising: switch board 1,gas alarm controller 2, intelligentsupervisory terminal 3, gas alarm 4, switch board 1 output current togas alarm controller 2, andgas alarm controller 2 output signal is to intelligentsupervisory terminal 3.

The power distribution cabinet 1 matched with a production workshop is used for obtaining a direct-current power supply required by a circuit by reducing, rectifying, filtering and stabilizing 220V and 50Hz alternating current. An installation plate, a plurality of relays and other electrical elements are usually arranged in the power distribution cabinet 1. The shell of the power distribution cabinet 1 is generally formed by pressing a thin plate with the thickness of 2mm, and the thin plate is painted after being formed, so that the antirust function can be achieved, and the attractiveness is improved. Warning signs can be pasted on the outer side of the power distribution cabinet 1, and a warning effect is achieved.

Thegas alarm controller 2 is associated with each gas alarm 4, for example, can output 24V dc power, and simultaneously receives alarm signals, preliminarily processes the alarm signals, and transmits summary information to theintelligent supervision terminal 3. Thegas alarm controller 2 is a subunit between a single gas alarm 4 and the intelligentsupervisory terminal 3, and a plurality ofgas alarm controllers 2 can be arranged in a large workshop for providing electric energy and receiving signals for different areas. Thegas alarm controller 2 is used in cooperation with the gas alarm 4.

Theintelligent supervision terminal 3 is used for arranging, collecting and recording information transmitted by all thegas alarm controllers 2, sending out instructions and arranging related personnel to perform accident handling. Theintelligent supervision terminal 3 is generally placed in a control room, relevant software is installed on a computer, and alarm information can be processed in a unified mode through the software. In the operation and maintenance work of daily workshops, workers can refer to the information prompted by theintelligent monitoring terminal 3, and corresponding inspection and maintenance can be performed on each workshop by combining the daily inspection record.

The gas alarm 4, also called a gas detector, includes agas sensor module 403, adisplay module 404, anindicator light module 405, awireless transmission module 406 and abuzzer 407 which are respectively connected with aninformation processing module 401 and apower supply module 402, wherein theinformation processing module 401 is connected with thepower supply module 402; thepower supply module 402 includes aline connection module 408 and adry battery module 409 connected in parallel; theline connection module 408 contains signal lines.

The gas alarm 4 outputs a signal to thegas alarm controller 2 or theintelligent supervision terminal 3.

As shown in fig. 3, the gas alarm 4 according to the embodiment of the present application is configured. The gas alarm 4 performs filtering, concentration calculation and the like on the signal to obtain the concentration value of the currently measured gas.

Thegas sensor module 403 monitors the air quality in the production workshop all the time, and once toxic gas is detected, the toxic gas is rapidly subjected to preliminary analysis, the type, the component and the concentration in a certain time of the toxic gas are judged, and the information is transmitted to theinformation processing module 401 for further processing, and if the concentration of the toxic gas detected by thegas sensor module 403 exceeds a limit, an electric signal output by the gas sensor module can directly push thebuzzer 407 to give an alarm sound to prompt production workshop personnel to evacuate rapidly. Thebuzzer 407 sounds to indicate thelamp module 405 to give corresponding indication.

Theinformation processing module 401 will further process the received information, such as the change process of the toxic gas concentration in two adjacent time periods, and send a command to thedisplay module 404 and the indicatorlight module 405 at the same time, and thedisplay module 404 will display the concentration value; the indicator light module correspondingly displays the working state of the gas alarm 4.

Theinformation processing module 401 transmits the processed information to theintelligent monitoring terminal 3 through thewireless transmission module 406, so as to facilitate emergency arrangement of the control room staff.

Thepower supply module 402 and the signal transmission provided by the embodiment of the application include three forms, firstly, the power distribution cabinet 1 supplies power through theline connection module 408, the power distribution cabinet transmits the power to thegas alarm controller 2, thegas alarm controller 2 is communicated with theline connection module 408 on the gas alarm 4 through a three-core wire, and on one hand, the DC24V power is supplied to the gas alarm 4; on the other hand, one core wire in the three-core wire is a signal wire, that is, on the same wire, not only can the transmission of electric energy be realized, such as a solid line with an arrow line in fig. 2, but also the return of a signal can be realized, such as a dashed line with an arrow line in fig. 2. The mode is mainly used in places with short distance between thegas alarm controller 2 and the gas alarm 4 in a production workshop, and is connected by using electric wires in a small range, so that the power supply energy attenuation is reduced, and the returned signal attenuation degree is low.

Secondly, the gas alarm 4 provides electric energy through thedry battery module 409, and signal lines are connected between thegas alarm controllers 2 for signal transmission. Compared with the electric wire which provides electric energy and is responsible for signal transmission, the electric wire is powered by the dry battery, and the signal wire transmits signals, so that the line cost can be greatly saved, and the accuracy of signal transmission is ensured.

Thirdly, the gas alarm 4 provides electric energy through thedry battery module 409 and transmits signals through thewireless transmission module 406. In this way, the installation position of the gas alarm 4 is not limited, and the gas alarm is particularly suitable for workshops which are inconvenient for wire pulling and power connection.

The alarm system provided by the embodiment of the application can detect gas components such as coal gas, liquefied petroleum gas and the like, and when the concentration of the gas reaches a limit value, for example, is set to be 1%, thegas sensor module 403 can directly trigger thebuzzer 407 to alarm; when thegas sensor module 403 detects that the increase ratio of the gas concentration is 0.5% in adjacent consecutive time intervals, theinformation processing module 401 directly transmits the information to theintelligent monitoring terminal 3 through thewireless transmission module 406, or indirectly transmits the information to theintelligent monitoring terminal 3 through a signal line, and after receiving the information, the worker immediately arranges the worker to deeply detect the relevant production workshops so as to avoid accidents.

The embodiment of the application provides an intelligent alarm system of dry battery power supply, according to the actual conditions who waits to detect the area, rational arrangement of gas alarm 4, especially to the place of some inconvenient switch board 1 andgas alarm controller 2 that sets up, can set up the gas alarm 4 detection air of dry battery power supply, transmit signal through wireless transmission mode, the detected signal is accurate reliable, can avoid the wrong report that the decay caused among the signal transmission process, the misjudgement scene, can effectively supervise and wait to detect the area, rational arrangement of gas alarm 4, improve the accuracy that detects, improve local utilization efficiency, better practicality has.

Optionally, theinformation processing module 401 includes adata receiving module 410, astorage sub-module 411, aninstruction sub-module 412, and aprocessing sub-module 413 respectively connected to thedata receiving module 410, thestorage sub-module 411, and theinstruction sub-module 412.

Theinformation processing module 401 includes a plurality of modules responsible for different tasks. Thedata receiving module 410 is responsible for collecting the related information of the toxic gas transmitted from thegas sensor module 403, and transmitting the related information to theprocessing submodule 413 for further processing, such as determining whether the concentration content of the toxic gas increases, the increase speed, and the like in the time interval between two adjacent ends, and then on one hand, storing the processed information in thestorage submodule 411, and on the other hand, sending out an instruction through theinstruction submodule 412.

Thestorage sub-module 411 may be configured to transmit information immediately or periodically.

Optionally, thegas sensor module 403 contains a semiconductor gas sensor.

The semiconductor gas sensor has high sensitivity, short response time, short recovery time, long service life, wide application in the market and low price, for example, the common HQ-2 gas sensor can be suitable for detecting the gas components such as coal gas, liquefied petroleum gas and the like in the air.

Optionally, the indicatorlight module 405 includes a work indicator light, a fault indicator light, and an alarm indicator light.

The working indicator light is displayed when the gas alarm 4 is in a normal working state, and the indicator light is normally on; when the gas alarm 4 has a certain fault due to insufficient electric quantity or other reasons, the fault indicator lamp operates, can be set, for example, in a flashing mode or a normally-on mode, and can be communicated with a monitoring module corresponding to thegas alarm controller 2 to send out a fault alarm prompt; the alarm indicator lamp is used for displaying when alarming, the alarm comprises that after the concentration detected by thegas sensor module 403 reaches a limit value, the alarm indicator lamp displays when a buzzer is directly pushed to alarm, or the alarm indicator lamp is processed by theprocessing submodule 413 and finds that the increase speed of the concentration of the toxic gas reaches a limit value within 2-4 times continuously, but when the increase speed of the concentration of the toxic gas does not reach the limit value of the concentration, the alarm indicator lamp displays to prompt a worker to pay attention to checking related equipment so as to avoid accidents.

Optionally, thedry battery module 409 is a rechargeable dry battery.

In order to realize reuse, avoid extravagant, the dry battery that this application embodiment adopted is chargeable formula dry battery, and when gas alarm 4 shows that the electric quantity is not enough, send the warning, the staff in time changes and uses backup battery, charges few electric quantity dry battery to use next time.

Depending on the area to be detected, suitable dry cells are selected, such as two 24V dry cells or two 12V dry cells.

Optionally, thewireless transmission module 406 may be any one of bluetooth and wireless broadband WIFI.

Thewireless transmission module 406 selects a wireless signal transmission mode with high transmission capability and high interference resistance, such as bluetooth or wireless broadband WIFI. The Bluetooth technology can solve the problem of data synchronization, and wireless broadband WIFI can achieve interoperability of a local area network.

Optionally, the gas alarm 4 further comprises a protective housing and a mounting bracket.

For protection gas alarm 4 does not receive external force and destroys, set up protecting sheathing on gas alarm 4,information processing module 401,power module 402,gas sensor module 403,display module 404,pilot lamp module 405,wireless transmission module 406 all set up within protecting sheathing, still are equipped with the installing support on the protecting sheathing, conveniently set up gas alarm 4 in preset position department.

The intelligent alarm system that this application embodiment provided can rationally set up gas alarm 4 according to the condition of waiting to detect the region, improves the effective utilization who waits to detect the region to detect suitable gas alarm 4 of characteristics rational arrangement in accordance with each and wait to detect the region. The embodiment of the application provides an intelligent alarm system, and the detection signal is accurate and reliable, and has better practicality.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

It is to be understood that the present application is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (6)

1. The utility model provides a combustible toxic gas intelligence alarm system of dry battery power supply which characterized in that includes: the gas alarm system comprises a power distribution cabinet (1), a gas alarm controller (2), an intelligent supervision terminal (3) and a gas alarm (4), wherein the power distribution cabinet (1) outputs current to the gas alarm controller (2), and the gas alarm controller (2) outputs signals to the intelligent supervision terminal (3);

the gas alarm (4) comprises a gas sensor module (403), a display module (404), an indicator lamp module (405), a wireless transmission module (406) and a buzzer (407), wherein the gas sensor module (403), the display module (404), the indicator lamp module (405), the wireless transmission module (406) and the buzzer (407) are respectively connected with an information processing module (401) and a power supply module (402), the information processing module (401) is connected with the power supply module (402), and the gas sensor module (403) is connected with the buzzer (407); the power supply module (402) comprises a line connection module (408) and a dry battery module (409) which are connected in parallel; the line connection module (408) contains a signal line;

the power supply module (402) and the signal transmission comprise three forms, firstly, power is supplied through the line connection module (408), the power distribution cabinet (1) transmits the power to the gas alarm controller (2), the gas alarm controller (2) is communicated with the line connection module (408) on the gas alarm (4) through a three-core wire, and on one hand, DC24V power is supplied for the gas alarm (4); on the other hand, one core wire in the three-core wire is a signal wire, namely, the same wire can realize both electric energy transmission and signal return, and the mode is used in a production workshop, wherein the distance between the gas alarm controller (2) and the gas alarm (4) is shorter, and the three-core wire is connected by using the wire in a small range, so that the power supply energy attenuation is reduced, and the return signal attenuation degree is low;

secondly, the gas alarm (4) provides electric energy through the dry battery module (409), and a signal line is connected between the gas alarm controllers (2) for signal transmission, so that compared with an electric wire which provides electric energy and is responsible for signal transmission, the mode of supplying power by using a dry battery and transmitting signals by using the signal line can greatly save the line cost and ensure the accuracy of signal transmission;

thirdly, the gas alarm (4) provides electric energy through the dry battery module (409), signals are transmitted through the wireless transmission module (406), and the installation position of the gas alarm (4) is not limited, so that the gas alarm is suitable for workshops which are inconvenient to pull wires for power connection;

the gas alarm (4) outputs signals to the gas alarm controller (2) or the intelligent supervision terminal (3), the gas alarm controller (2) is associated with each gas alarm (4), and simultaneously outputs a 24V direct-current power supply and receives alarm signals;

the information processing module (401) comprises a data receiving module (410), a storage sub-module (411), an instruction sub-module (412) and a processing sub-module (413) which is respectively connected with the data receiving module (410), the storage sub-module (411) and the instruction sub-module (412).

2. The combustible toxic gas intelligent alarm system of claim 1, wherein the gas sensor module (403) comprises a semiconductor gas sensitive element.

3. The intelligent flammable and toxic gas alarm system of claim 1 wherein the indicator light module (405) comprises a work indicator light, a fault indicator light, and an alarm indicator light.

4. The combustible toxic gas intelligent alarm system of claim 1, wherein the dry battery module (409) adopts a rechargeable dry battery.

5. The intelligent combustible toxic gas alarm system of claim 1, wherein the wireless transmission module (406) can be any one of Bluetooth and wireless broadband WIFI.

6. The combustible toxic gas intelligent alarm system according to any one of claims 1 to 5, wherein the gas alarm (4) further comprises a protective housing and a mounting bracket.

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