CN220730942U - Audible and visual alarm automatic detection circuit of gas detector and gas detector - Google Patents
Audible and visual alarm automatic detection circuit of gas detector and gas detector Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 abstract description 8
- 231100000331 toxic Toxicity 0.000 description 16
- 230000002588 toxic effect Effects 0.000 description 16
- 230000006870 function Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 231100000614 poison Toxicity 0.000 description 4
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- 206010003497 Asphyxia Diseases 0.000 description 1
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- 238000007084 catalytic combustion reaction Methods 0.000 description 1
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Abstract
The utility model discloses an audible and visual alarm automatic detection circuit of a gas detector and the gas detector, wherein the audible and visual alarm automatic detection circuit of the gas detector comprises: the system comprises a main control module, a power supply module, a gas detection module, a wireless communication module, an audible and visual alarm module and a signal output module; the power supply module is respectively and electrically connected with the main control module, the gas detection module, the wireless communication module, the audible and visual alarm module and the signal output module; the main control module is respectively and electrically connected with the gas detection module, the wireless communication module, the audible and visual alarm module and the signal output module. The utility model can remotely set the self-checking period of the audible and visual alarm, realize remote monitoring of the detection parameters, and has convenient use and high user experience.
Description
Technical Field
The utility model relates to the technical field of fire protection, in particular to an audible and visual alarm automatic detection circuit of a gas detector and the gas detector.
Background
Generally, the sound-light alarm of the gas detector plays a role in early warning, can timely emit sound and light signals when gas leaks, reminds people to take measures, and prevents accidents such as fire, explosion, poisoning and the like; the audible and visual alarm of the gas detector can also ensure life safety, and the gas detector is installed in the environment of gas leakage, so that people can leave the scene for enough time, and life danger caused by poisoning or asphyxiation is avoided. In addition, the audible and visual alarm of the gas detector can reduce the occurrence probability of accidents such as fire, explosion, poisoning and the like by timely finding and treating gas leakage, thereby reducing property loss.
In the prior art, the method for detecting the normal sound-light alarm function of the gas detector is to trigger the local detection function by means of manually triggering a detection key or triggering a remote control infrared key by an maintainer and the like, and to observe the functional integrity of sound and lamplight by manpower. Along with the increase of the number of the detectors, the complexity of the field environment is increased, the dangers are increased continuously, and the cost and the manual detection time are high. Therefore, the utility model provides an audible and visual alarm automatic detection circuit for realizing intelligent automatic detection, which is a problem to be solved by a person skilled in the art.
Disclosure of Invention
The purpose of this application is to provide a sound and light alarm automated inspection circuit and gas detector of gas detector, in this scheme, can long-range setting sound and light alarm's self-checking cycle to realize the remote monitoring to the detection parameter, it is convenient to use, user experience is high.
In order to solve the technical problems, the application provides an audible and visual alarm automatic detection circuit of a gas detector, which comprises a main control module, a power module, a gas detection module, a wireless communication module, an audible and visual alarm module and a signal output module;
the power supply module is respectively and electrically connected with the main control module, the gas detection module, the wireless communication module, the audible and visual alarm module and the signal output module;
the main control module is respectively and electrically connected with the gas detection module, the wireless communication module, the audible and visual alarm module and the signal output module.
Preferably, the audible and visual alarm automatic detection circuit of the gas detector further comprises an LED indication module;
the LED indication module is respectively and electrically connected with the main control module and the power supply module.
Preferably, the audible and visual alarm automatic detection circuit of the gas detector further comprises an LED digital display module;
the LED digital display module is respectively and electrically connected with the main control module and the power supply module.
Preferably, the audible and visual alarm automatic detection circuit of the gas detector comprises a mains supply power failure detection module;
the mains supply power failure detection module is electrically connected with the main control module and the power supply module respectively.
Preferably, the wireless communication module comprises an NB wireless communication unit and an infrared communication unit;
the NB wireless communication unit is respectively and electrically connected with the main control module and the power supply module;
the infrared communication unit is electrically connected with the main control module and the power supply module respectively.
Preferably, the audible and visual alarm module comprises an audible alarm unit and a red light alarm unit;
the sound alarm unit is respectively and electrically connected with the main control module and the power supply module;
the red light alarm unit is respectively and electrically connected with the main control module and the power supply module.
Preferably, the sound alarm unit comprises a first switch control unit, a buzzer unit and a first signal amplifying unit;
the first switch control unit is respectively and electrically connected with the buzzer unit, the main control module and the first signal amplifying unit, the buzzer unit is electrically connected with the first signal amplifying unit, and the first signal amplifying unit is electrically connected with the main control module.
Preferably, the red light alarm unit comprises a second switch control unit, an alarm lamp unit and a second signal amplification unit;
the second switch control unit is respectively and electrically connected with the alarm lamp unit, the main control module and the second signal amplification unit, the alarm lamp unit is electrically connected with the second signal amplification unit, and the second signal amplification unit is electrically connected with the main control module.
In order to solve the technical problem, the application provides a gas detector, which comprises an audible and visual alarm automatic detection circuit of the gas detector.
The utility model discloses an audible and visual alarm automatic detection circuit of a gas detector and the gas detector, which have the following beneficial effects that the audible and visual alarm automatic detection circuit of the gas detector comprises: the system comprises a main control module, a power supply module, a gas detection module, a wireless communication module, an audible and visual alarm module and a signal output module; the power supply module is respectively and electrically connected with the main control module, the gas detection module, the wireless communication module, the audible and visual alarm module and the signal output module; the main control module is respectively and electrically connected with the gas detection module, the wireless communication module, the audible and visual alarm module and the signal output module. The power supply module is used for providing rated voltage output; the gas detection module is used for detecting the leaked combustible gas or toxic and harmful gas signals; the main control module is used for determining the concentration value of the combustible gas or the toxic and harmful gas according to the combustible gas or the toxic and harmful gas signal, and outputting a switching value control signal to close the associated equipment through the signal output module when the concentration value of the combustible gas or the toxic and harmful gas is larger than a preset threshold value so as to block leakage of the combustible gas or the toxic and harmful gas; meanwhile, the main control module is used for controlling the audible and visual alarm module to output audible and visual alarms; the wireless communication module is used for receiving a self-checking control signal sent by the wireless mobile terminal and transmitting the self-checking control signal to the main control module, and the main control module is used for setting the self-checking period of the audible and visual alarm according to the self-checking control signal; and the audible and visual alarm is transmitted back to the wireless mobile terminal platform through the wireless communication module after self-checking is finished, so that remote monitoring of detection parameters is realized. Therefore, the utility model can remotely set the self-checking period of the audible and visual alarm, realize the remote monitoring of the detection parameters, and has convenient use and high user experience.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:
FIG. 1 is a schematic block diagram of an audible and visual alarm automatic detection circuit of a gas detector according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic block diagram of an audible and visual alarm automatic detection circuit of a gas detector according to another preferred embodiment of the present utility model;
FIG. 3 is a schematic block diagram of an audible and visual alarm automatic detection circuit of a gas detector according to another preferred embodiment of the present utility model;
FIG. 4 is a schematic circuit diagram of an audible alarm unit of an audible and visual alarm automatic detection circuit of a gas detector according to a preferred embodiment of the present utility model;
fig. 5 is a schematic circuit diagram of a red light alarm unit of an audible and visual alarm automatic detection circuit of a gas detector according to a preferred embodiment of the present utility model.
Detailed Description
The core of the application is to provide a sound and light alarm automatic detection circuit of gas detector and gas detector, in this scheme, can long-range setting sound and light alarm's self-checking cycle to realize the remote monitoring to detection parameter, it is convenient to use, user experience is high.
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1, fig. 1 is a schematic block diagram of an audible and visual alarm automatic detection circuit of a gas detector provided by the present application, which includes a main control module 1, a power module 2, a gas detection module 3, a wireless communication module 4, an audible and visual alarm module 5 and a signal output module 6;
the power module 2 is respectively and electrically connected with the main control module 1, the gas detection module 3, the wireless communication module 4, the audible and visual alarm module 5 and the signal output module 6;
the main control module 1 is respectively and electrically connected with the gas detection module 3, the wireless communication module 4, the audible and visual alarm module 5 and the signal output module 6.
In the prior art, the method for detecting the normal sound-light alarm function of the gas detector is to trigger the local detection function by means of manually triggering a detection key or triggering a remote control infrared key by an maintainer and the like, and to observe the functional integrity of sound and lamplight by manpower. Along with the increase of the number of the detectors, the complexity of the field environment is increased, the dangers are increased continuously, and the cost and the manual detection time are high.
Aiming at the defects, the self-checking control of the audible and visual alarm is realized through the matching of the main control module 1, the power module 2, the gas detection module 3, the wireless communication module 4, the audible and visual alarm module 5 and the signal output module 6.
Specifically, the power module 2 is configured to provide a rated voltage output; the gas detection module 3 is used for detecting the leaked combustible gas or toxic and harmful gas signals; the main control module 1 is used for determining the concentration value of the combustible gas or the toxic and harmful gas according to the combustible gas or the toxic and harmful gas signal, and outputting a switching value control signal to close the associated equipment through the signal output module 6 when the concentration value of the combustible gas or the toxic and harmful gas is larger than a preset threshold value so as to block leakage of the combustible gas or the toxic and harmful gas; meanwhile, the main control module 1 is used for controlling the audible and visual alarm module 5 to output audible and visual alarm so as to remind relevant firefighters of timely processing; the wireless communication module 4 is used for receiving a self-checking control signal sent by the wireless mobile terminal and transmitting the self-checking control signal to the main control module 1, and the main control module 1 is used for setting the self-checking period of the audible and visual alarm according to the self-checking control signal; the audible and visual alarm is transmitted back to the wireless mobile terminal platform through the wireless communication module 4 after the periodic self-checking is completed, so that the remote monitoring of the detection parameters is realized.
Specifically, the main control module 1 is set as an MCU (Microcontroller Unit; MCU), also called a single-chip microcomputer (Single Chip Microcomputer) or a single-chip microcomputer, which is to properly reduce the frequency and specification of a central processing unit (Central Process Unit; CPU), integrate peripheral interfaces such as a memory (memory), a counter (Timer), a USB, an A/D conversion, UART, PLC, DMA and the like, and even an LCD driving circuit on a single chip to form a chip-level computer, and perform different combination control for different application occasions. In this embodiment, the model of the main control module 1 may be set to STM32 single-chip microcomputer series, and the chip model of the main control module 1 is not specifically limited herein.
Specifically, in the present embodiment, the gas detection module 3 employs an advanced catalytic combustion type sensor, which is composed of a detection unit and a compensation unit. In clean air, the resistance of the detection unit and the compensation unit are balanced; when the combustible gas or the poisonous and harmful gas leaks, the combustible gas or the poisonous and harmful gas enters the sensor to generate flameless combustion reaction with the detection unit, the temperature rises, the compensation unit keeps the temperature unchanged, the temperature difference causes the balance of the resistor to be destroyed, the variation signal is amplified, stabilized and processed by the operational amplifier difference and is output to the main control module 1 for sampling, and the main control module 1 converts the concentration value of the combustible gas or the poisonous and harmful gas into the concentration value of the combustible gas or the poisonous and harmful gas through operation to carry out audible and visual alarm output.
In summary, the present application provides an audible and visual alarm automatic detection circuit of a gas detector, in this scheme, the audible and visual alarm automatic detection circuit includes a main control module 1, a power module 2, a gas detection module 3, a wireless communication module 4, an audible and visual alarm module 5 and a signal output module 6; the power module 2 is respectively and electrically connected with the main control module 1, the gas detection module 3, the wireless communication module 4, the audible and visual alarm module 5 and the signal output module 6; the main control module 1 is respectively and electrically connected with the gas detection module 3, the wireless communication module 4, the audible and visual alarm module 5 and the signal output module 6. The wireless communication module 4 is used for receiving a self-checking control signal sent by the wireless mobile terminal and transmitting the self-checking control signal to the main control module 1, and the main control module 1 is used for setting the self-checking period of the audible and visual alarm according to the self-checking control signal; the audible and visual alarm passes back to the wireless mobile terminal platform through the wireless communication module 4 after the self-checking is finished, so as to realize the remote monitoring of the detection parameters. Therefore, the utility model can remotely set the self-checking period of the audible and visual alarm, realize the remote monitoring of the detection parameters, and has convenient use and high user experience.
Based on the above embodiments:
referring to fig. 2, fig. 2 is a schematic block diagram of another audible and visual alarm automatic detection circuit of a gas detector provided in the present application.
As a preferred embodiment, the audible and visual alarm automatic detection circuit of the gas detector further comprises an LED indication module 7;
the LED indication module 7 is electrically connected with the main control module 1 and the power supply module 2 respectively.
Specifically, in the present embodiment, the LED indication module 7 is configured to implement network status indication, data transmission status indication, fault indication, gas concentration unit indication, and the like for the audible and visual alarm.
As a preferred embodiment, the audible and visual alarm automatic detection circuit of the gas detector further comprises an LED digital display module 8;
the LED digital display module 8 is respectively and electrically connected with the main control module 1 and the power supply module 2.
Specifically, in this embodiment, the main control module 1 is configured to determine a concentration value of the combustible gas or the toxic and harmful gas according to the combustible gas or the toxic and harmful gas signal, and display the concentration value of the combustible gas or the toxic and harmful gas through the LED digital display module 8, so that a fire fighter can more intuitively determine a risk coefficient of leakage of the combustible gas or the toxic and harmful gas.
As a preferred embodiment, an audible and visual alarm automatic detection circuit of the gas detector comprises a mains power failure detection module 9;
the mains supply power failure detection module 9 is electrically connected with the main control module 1 and the power supply module 2 respectively.
Specifically, in this embodiment, the utility power failure detection module 9 is configured to implement power failure detection of utility power, implement fault indication when the utility power fails, and transmit the power failure status to the mobile terminal in real time, so that relevant personnel can solve the problem in time.
Referring to fig. 3, fig. 3 is a schematic block diagram of another audible and visual alarm automatic detection circuit of a gas detector provided in the present application.
As a preferred embodiment, the wireless communication module 4 includes an NB wireless communication unit 41 and an infrared communication unit 42;
the NB wireless communication unit 41 is electrically connected with the main control module 1 and the power supply module 2 respectively;
the infrared communication unit 42 is electrically connected to the main control module 1 and the power module 2, respectively.
Specifically, in this embodiment, the self-checking period and self-checking time of the audible and visual alarm may be set through the NB wireless communication unit 41 or the infrared communication unit 42, the data is issued to the local detector through the NB wireless communication unit 41 or the infrared communication unit 42 and stored, the local detector triggers the self-checking function within the preset time, the alarm lamp flashes, and the buzzer sounds to alarm.
In particular, in the present embodiment, the self-checking period and time may be set according to a customer group using the alarm, such as a mall, a factory, a restaurant, a house, and the like, which is not particularly limited.
Specifically, the self-checking period can be set according to the number of days, the number of weeks and the number of months, the alarm time can be accurate to the number of minutes, and the detection can be selected under the condition of few people or no people, so that the influence on normal work and study of people is avoided.
As a preferred embodiment, the audible and visual alarm module 5 includes an audible alarm unit 51 and a red light alarm unit 52;
the sound alarm unit 51 is electrically connected with the main control module 1 and the power supply module 2 respectively;
the red light alarm unit 52 is electrically connected with the main control module 1 and the power supply module 2 respectively.
Specifically, in the present embodiment, the audible alarm unit 51 and the red alarm unit 52 are used to realize dual alarm outputs of audible and red alarms to ensure the validity of alarm information.
Specifically, when the local detector triggers the self-checking function within a preset time, on one hand, the voltage value and the current value of the red light alarm unit 52 are detected, whether the red light alarm function fails or not is judged according to the voltage value and the current value, and if the red light alarm function fails, a fault state is reported; on the other hand, the voltage value and the current value of the audible alarm unit 51 are detected, and whether the audible alarm function has a fault or not is judged according to the voltage value and the current value, if the audible alarm function has a fault, a fault state is reported, and if the audible alarm function has no fault, the reported state is normal.
Referring to fig. 4, fig. 4 is a schematic circuit diagram of an audio alarm unit provided in the present application.
As a preferred embodiment, the audible alarm unit 51 includes a first switch control unit 511, a buzzer unit 512, and a first signal amplification unit 513;
the first switch control unit 511 is electrically connected to the buzzer unit 512, the main control module 1, and the first signal amplification unit 513, respectively, the buzzer unit 512 is electrically connected to the first signal amplification unit 513, and the first signal amplification unit 513 is electrically connected to the main control module 1.
Specifically, when the concentration value of the combustible gas or the toxic and harmful gas is greater than a preset threshold value, the main control module 1 sends out an audible alarm signal, so that the MOS tube Q3 in the first switch control unit 511 is turned on, and the buzzer connected to the connection seat f in the buzzer unit 512 performs a buzzer alarm according to the audible alarm signal; meanwhile, the first signal amplifying unit 513 samples current and voltage signals through the sampling resistor R55, the current and voltage signals are transmitted to the main control module 1 after being amplified through the first signal amplifying unit 513, and the main control module 1 judges whether the buzzer has faults according to the current and voltage signals; if so, the main control module 1 reports the fault state through the wireless communication module 4.
Referring to fig. 5, fig. 5 is a schematic circuit diagram of a red light alarm unit provided in the present application.
As a preferred embodiment, the red light warning unit 52 includes a second switch control unit 521, a warning lamp unit 522, and a second signal amplification unit 523;
the second switch control unit 521 is electrically connected to the alarm lamp unit 522, the main control module 1, and the second signal amplification unit 523, and the alarm lamp unit 522 is electrically connected to the second signal amplification unit 523, and the second signal amplification unit 523 is electrically connected to the main control module 1.
Specifically, when the concentration value of the combustible gas or the toxic and harmful gas is greater than the preset threshold value, the main control module 1 sends out a red light alarm signal, so that the MOS tube Q5 in the second switch control unit 521 is turned on, and the alarm lamp unit 522 performs a flashing alarm according to the red light alarm signal; meanwhile, the second signal amplifying unit 523 samples current and voltage signals through the sampling resistor R27, the current and voltage signals are transmitted to the main control module 1 after being amplified through the second signal amplifying unit 523, and the main control module 1 judges whether the alarm lamp unit 522 has faults according to the current and voltage signals; if so, the main control module 1 reports the fault state through the wireless communication module 4.
The application also provides a gas detector, which comprises the audible and visual alarm automatic detection circuit of the gas detector.
For an introduction of the audible and visual alarm automatic detection circuit for a gas detector provided in the present application, please refer to the above embodiment, and the description is omitted herein.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use 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.
Claims (9)
1. The audible and visual alarm automatic detection circuit of the gas detector is characterized by comprising a main control module, a power supply module, a gas detection module, a wireless communication module, an audible and visual alarm module and a signal output module;
the power supply module is respectively and electrically connected with the main control module, the gas detection module, the wireless communication module, the audible and visual alarm module and the signal output module;
the main control module is respectively and electrically connected with the gas detection module, the wireless communication module, the audible and visual alarm module and the signal output module.
2. The audible and visual alarm automatic detection circuit of a gas detector according to claim 1, wherein the audible and visual alarm automatic detection circuit of a gas detector further comprises an LED indication module;
the LED indication module is respectively and electrically connected with the main control module and the power supply module.
3. The automatic detection circuit for the audible and visual alarm of the gas detector according to claim 1, wherein the automatic detection circuit for the audible and visual alarm of the gas detector further comprises an LED digital display module;
the LED digital display module is respectively and electrically connected with the main control module and the power supply module.
4. The audible and visual alarm automatic detection circuit of a gas detector according to claim 1, wherein the audible and visual alarm automatic detection circuit of the gas detector comprises a mains power failure detection module;
the mains supply power failure detection module is electrically connected with the main control module and the power supply module respectively.
5. The audible and visual alarm automatic detection circuit of a gas detector according to claim 1, wherein the wireless communication module comprises an NB wireless communication unit and an infrared communication unit;
the NB wireless communication unit is respectively and electrically connected with the main control module and the power supply module;
the infrared communication unit is electrically connected with the main control module and the power supply module respectively.
6. The audible and visual alarm automatic detection circuit of a gas detector according to claim 1, wherein the audible and visual alarm module comprises an audible alarm unit and a red light alarm unit;
the sound alarm unit is respectively and electrically connected with the main control module and the power supply module;
the red light alarm unit is respectively and electrically connected with the main control module and the power supply module.
7. The audible and visual alarm automatic detection circuit of a gas detector according to claim 6, wherein the audible alarm unit comprises a first switch control unit, a buzzer unit and a first signal amplification unit;
the first switch control unit is respectively and electrically connected with the buzzer unit, the main control module and the first signal amplifying unit, the buzzer unit is electrically connected with the first signal amplifying unit, and the first signal amplifying unit is electrically connected with the main control module.
8. The audible and visual alarm automatic detection circuit of a gas detector according to claim 6, wherein the red light alarm unit comprises a second switch control unit, an alarm lamp unit and a second signal amplification unit;
the second switch control unit is respectively and electrically connected with the alarm lamp unit, the main control module and the second signal amplification unit, the alarm lamp unit is electrically connected with the second signal amplification unit, and the second signal amplification unit is electrically connected with the main control module.
9. A gas detector comprising an audible and visual alarm automatic detection circuit of a gas detector according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322472383.XU CN220730942U (en) | 2023-09-12 | 2023-09-12 | Audible and visual alarm automatic detection circuit of gas detector and gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322472383.XU CN220730942U (en) | 2023-09-12 | 2023-09-12 | Audible and visual alarm automatic detection circuit of gas detector and gas detector |
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| CN220730942U true CN220730942U (en) | 2024-04-05 |
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| CN202322472383.XU Active CN220730942U (en) | 2023-09-12 | 2023-09-12 | Audible and visual alarm automatic detection circuit of gas detector and gas detector |
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| CN (1) | CN220730942U (en) |
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