CN210661626U - Automatic trip valve of intelligence gas - Google Patents
Automatic trip valve of intelligence gas Download PDFInfo
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- CN210661626U CN210661626U CN201921070323.2U CN201921070323U CN210661626U CN 210661626 U CN210661626 U CN 210661626U CN 201921070323 U CN201921070323 U CN 201921070323U CN 210661626 U CN210661626 U CN 210661626U
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Abstract
The utility model discloses an automatic trip valve of intelligence gas relates to valve control's technical field, and its technical scheme's main points are: the method comprises the following steps: the detection module is used for sending a leakage signal after detecting gas leakage; the alarm module is electrically connected to the output end of the detection module and used for receiving the leakage signal and then giving an alarm; the method is characterized in that: the leakage detection device is characterized by further comprising an execution module for cutting off the valve after receiving the leakage signal, wherein the execution module comprises a circuit breaking relay connected to the output end of the detection module, and a normally closed contact of the circuit breaking relay is connected with the valve in series. The utility model provides a gas leak and cause dangerous technical problem easily, have and reduce the gas and leak and cause dangerous advantage.
Description
Technical Field
The utility model relates to a valve control's technical field, in particular to automatic trip valve of intelligence gas.
Background
The gas is a general name of gas energy, and the gas energy is called clean energy because the gas energy is more fully combusted.
However, the gas is generally toxic, and leakage of the gas causes a disaster, and when the concentration of the gas in the air is low, the gas is less harmful, and when the concentration of the gas is high, the gas may cause harm to human health, and if open fire occurs in the air, the gas may cause fire.
The existing automatic cut-off valve comprises a sensor and a controller connected to the sensor, wherein gas leakage is detected through the sensor, and the valve is controlled to be closed through the controller.
But the gas which has leaked into the room still causes harm to human bodies.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to: the utility model provides an automatic trip valve of intelligence gas, it has the advantage that conveniently clears up the gas that has leaked out indoor.
Above-mentioned technical purpose is realized through following technical scheme, an automatic trip valve of intelligence gas, includes: the detection module is used for sending a leakage signal after detecting gas leakage;
the alarm module is electrically connected to the output end of the detection module and used for receiving the leakage signal and then giving an alarm;
the gas leakage detection device is characterized by further comprising an execution module used for receiving a leakage signal and then cutting off a valve, wherein the execution module comprises a circuit breaking relay connected to the output end of the detection module, a normally closed contact of the circuit breaking relay is connected with the valve in series, a starting relay is connected to the circuit breaking relay in parallel, and a normally open contact of the starting relay is connected with a ventilation motor used for discharging leaked gas to the outside in series.
Through the technical scheme, detection module detects to have gas to leak after leakage signal sends alarm module, report to the police through alarm module can let the people learn to have the gas to leak, and take the action of ventilating or keeping away from the gas leakage position, through the normally closed contact of cut-off relay and series connection on the cut-off relay, can close the gas valve after the relay that opens the circuit receives the leakage signal, can prevent the gas and continue the supply, and then reduce the leakage quantity of gas, and then the harm that the gas leaked has been reduced, can ventilate the processing to indoor gas after detecting the gas leakage through the setting of ventilation motor, reduce the harm of gas to the human body.
Further, the valve is an electromagnetic valve which is connected with a normally closed contact of the breaking relay in series.
Through above-mentioned technical scheme, the control that the solenoid valve can is more convenient, has reduced the degree of difficulty that mechanical valve passes through circuit drive.
The gas concentration detection device further comprises a reference module used for providing a maximum allowable value of gas concentration and sending a reference signal, and a comparison unit electrically connected to the detection module and the reference module, wherein the comparison unit is used for receiving the leakage signal and the reference signal and sending an over-value signal to the alarm module.
Through the technical scheme, set up the benchmark value through the benchmark module, receive reference signal and leakage signal and carry out the comparison through the comparison unit, when leakage signal exceeds the benchmark value, send the excessive value signal to alarm module, alarm signal will send the warning, let people can learn the leakage of gas, and respond, can let the warning more accurate through the comparison of benchmark value, the signal value that directly will let in the circuit by the size of detected signal detection concentration is by the influence of gas concentration, and then let the circuit unstable easily, through the setting of benchmark value and comparison unit, can let the current behind the comparison unit output more stable.
Furthermore, the output end of the comparison unit is electrically connected to the execution module, and the parallel execution module sends out an over-value signal.
Through the technical scheme, the execution module is convenient to control the valve by the execution module by sending the over-value signal.
Furthermore, the alarm module comprises a buzzer which is electrically connected with the output end of the detection module and is used for sounding after receiving the leakage signal.
Through above-mentioned technical scheme, can let people arouse the warning through the sound of bee calling organ, can wake up the people when the people is asleep, improved the probability that the warning can be learnt by the people.
Furthermore, alarm module sends bright pilot lamp including electric connection at detection module's output and after being used for receiving the leakage signal, the pilot lamp sets up beside the valve.
Through above-mentioned technical scheme, can learn alarm information in the dark through the pilot lamp, it is nearer with the valve distance through the pilot lamp simultaneously, can learn alarm information rear convenience at people and close the valve, prevent that the gas from continuing to leak.
Further, alarm module includes the remote alarm unit of electric connection on detection module, the remote alarm unit sends remote communication signal's wireless transceiver chip after being used for receiving the leakage signal to and be used for receiving the server of wireless transceiver chip, server electric connection has the display screen that is used for showing alarm information.
Through above-mentioned technical scheme, when the valve leaks the place and is than far away apart from people's position, for example in office building or district, nobody in the family of district, need pass through the control of monitor room, or during the supervision of district managers, the inconvenient alarm information that takes place of receiving the scene of staff, can learn the gas through the display screen through long-range warning to break off the response of valve or ventilation.
Further, the reference module comprises a slight reference unit for emitting a slight reference signal, a severe reference unit for emitting a severe reference signal, and the comparison module comprises a slight comparison unit and a severe comparison unit, wherein the input end of the slight comparison unit is electrically connected to the detection module and the slight reference unit, and is used for receiving the leakage signal and the slight reference signal and then emitting the slight leakage signal, and the input end of the severe comparison unit is electrically connected to the detection module and the severe reference unit, and is used for receiving the leakage signal and the severe reference signal and then emitting the severe leakage signal.
Through the technical scheme, through the setting of slight comparing element and serious comparing element, can be through reporting to the police when taking place slight comparison, let people learn the gas leakage, and close the supply of gas through the manual valve of closing, when leaking comparatively seriously, close the valve through the automatic cutout valve, it is difficult to make it resume the connected state to have to move electronic self-closing valve, so can reduce the number of times of use of closing through circuit automatic control valve through the differentiation of slight leakage and serious leakage, can break off through the manual valve of closing, and then make things convenient for the recovery after leaking troubleshooting to use.
Furthermore, the indoor gas concentration is monitored in real time, the concentration of gas is sent to the comparison module, the maximum value of the gas concentration is set, the comparison module compares the maximum value of the gas concentration, when the actual concentration is larger than the maximum value of the gas concentration, an over-value signal is sent to the alarm module, and the alarm module sends an alarm to inform people of closing the valve.
Through the technical scheme, whether the gas leaks and the leakage degree can be more accurately alarmed by comparing the detected concentration with the reference value, the probability of false alarm caused by less leaked gas in normal use of the gas is reduced, and meanwhile, the situation that the gas leaks but does not give an alarm is reduced.
Further, the indoor gas concentration of real-time supervision, then in giving the comparison module with the signal transmission of gas concentration, set up two different benchmark values, when gas concentration is higher than lower benchmark value, take place to report to the police, people carry out the manual valve that closes, when gas concentration is higher than higher benchmark value, the self-closing valve.
Through above-mentioned technical scheme, through two different benchmark values, can fall into two kinds of leakage circumstances, it is more urgent when revealing, directly close the valve, when leaking less, think to close the valve, can reduce the probability of generating of the condition that directly closed valve caused difficult reply.
To sum up the utility model discloses following technological effect has:
1. the detection module is used for detecting the concentration of the fuel gas, the alarm is sent out after the detection module is compared with the reference value, people can know the leakage of the fuel gas, the valve closing time is reduced by closing the valve through the execution module, and the response is more timely;
2. whether the gas leaks and the degree of leakage can be more accurately reported to the police by comparing the detected concentration with the reference value, so that the probability of false alarm caused by less leaked gas during normal use of the gas is reduced, and meanwhile, the situation that the gas leaks but does not report to the police is reduced.
Drawings
FIG. 1 is a partial circuit diagram of an embodiment;
FIG. 2 is a system diagram of an embodiment.
Reference numerals: 1. a detection module; 2. a reference module; 20. a slight reference cell; 21. a severe reference cell; 3. a comparison module; 30. a slight comparison unit; 31. a severity comparison unit; 4. an alarm module; 40. an indicator light; 41. a buzzer; 42. a remote alarm unit; 5. an execution module; 50. a breaking relay; 51. starting a relay; 52. a ventilation motor; 53. and (4) a valve.
Detailed Description
Embodiment, referring to fig. 1, an automatic trip valve of intelligence gas includes:
the detection module 1: the device is realized by a gas concentration sensor and is used for detecting the gas concentration, converting the gas concentration into an electric signal and then sending a leakage signal;
the reference module 2: the device comprises a slight reference unit 20 and a severe reference unit 21, wherein the slight reference unit 20 and the severe reference unit 21 respectively comprise two fixed-value resistors which are connected in series, a reference value is formed by voltage division of the two resistors, and a reference signal is sent out, and the resistance ratio of the two resistors in the slight reference unit 20 is different from that of the two resistors in the severe reference unit 21;
and a comparison module 3: the gas concentration sensor comprises a slight comparison unit 30 and a severe comparison unit 31, wherein the slight comparison unit 30 and the severe comparison unit 31 are both realized through comparators, a forward input end of the slight comparison unit 30 is connected to a gas concentration sensor, a reverse input end of the slight comparison unit 30 is connected to an output end of a slight reference unit 20, a comparison module 3 receives a leakage signal and a slight reference signal and then compares the magnitudes of the leakage signal and the slight reference signal, and when the leakage signal is greater than the slight reference signal, the slight leakage signal is sent out.
The positive input end of the serious comparison unit 31 is connected to the gas concentration sensor, the negative input end of the serious comparison unit 31 is connected to the output end of the serious reference unit 21, the serious comparison unit 31 compares the magnitude of the leakage signal and the serious reference signal after receiving the leakage signal, and when the leakage signal is greater than the serious reference signal, the serious comparison unit sends out a serious leakage signal.
And the alarm module 4: in this embodiment, the alarm module 4 includes a local alarm unit and a remote alarm unit 42, and the local alarm unit includes a triode amplifier connected in series with the output terminal of the severity comparing unit 31, and a buzzer 41 connected in series with the emitter of the triode amplifier.
In order to make the alarm signal more easily received by people, the buzzer 41 is connected with the alarm indicator lamp 40 in parallel, the position of the alarm indicator lamp 40 is arranged beside the valve 53, and after the alarm indicator lamp 40 is found to be turned on in the night, the valve 53 is conveniently found and closed.
The remote alarm module 4 comprises a single chip microcomputer which is connected in series with the output end of the slight comparison module 3 and is in signal connection with the server through a pair of wireless transceiver chips, wherein the model of the single chip microcomputer is AT89C51, and the model of the wireless transceiver chip is nRF 401.
The server is electrically connected with a display screen, the single chip microcomputer receives the slight leakage signal and then transmits the signal to the server through the wireless transmission chip, and the alarm information is displayed through the display screen.
In order to facilitate remote control, the server is also connected with a control button, and when alarm information of gas leakage is displayed on the display screen, the valve 53 is closed through the control button.
The control button sends the disconnected valve signal to the server, and the server sends the signal for the singlechip through wireless transceiver signal, and electric connection has disconnected valve relay 43 that gets electricity after being used for receiving disconnected valve signal on the singlechip, and the normally closed contact of disconnected valve relay 43 establishes ties on valve 53.
The execution module 5: referring to fig. 2, in the present embodiment, the execution module 5 includes a triode amplifier connected in series to the severe leakage signal, an emitter of the triode amplifier is connected in series to a cut-off relay 50, a normally closed contact of the cut-off relay 50 is connected in series to a valve 53, the valve 53 is a solenoid valve, and when the solenoid valve is turned on, the solenoid valve is turned off.
After the triode amplifier receives the serious leakage signal, the triode is conducted, the circuit breaking relay 50 is electrified, the normally closed contact of the circuit breaking relay 50 is disconnected, the electromagnetic valve is powered off, and the electromagnetic valve is closed.
When a serious gas leakage occurs, the gas leakage can be prevented by directly closing the valve 53, shortening the time required for considering the closing of the valve 53.
In order to clean the leaked gas indoors as soon as possible, the indoor gas leakage cleaning device is further provided with a ventilation module, the ventilation module comprises a ventilation fan and a control switch used for controlling the on-off of the ventilation fan, a starting relay 51 is connected to the buzzer 41 in parallel, the control switch is a normally open contact of the starting relay 51, after the triode amplifier receives a serious leakage signal, the triode is conducted, the starting relay 51 is electrified, the control switch is closed, the ventilation fan is started, and the leaked gas indoors is conveyed outdoors.
The specific implementation process, gas concentration sensor detect indoor gas concentration, compare with slight reference cell 20 through slight comparator, and when gas concentration exceeded slight reference cell 20's benchmark value, slight comparison cell 30 transmitted the signal for the singlechip, and the singlechip leads to wireless transceiver chip and transmits the signal for the server, shows alarm information from the display screen after the server received the signal.
When the gas concentration is higher than a serious reference value, the serious comparison unit 31 controls the alarm indicator lamp 40 to be on after the signal is amplified through the triode, the buzzer 41 is generated, the breaking relay 50 and the starting relay 51 are electrified, the control switch is closed, the normally closed contact of the breaking relay 50 is disconnected, the electromagnetic valve is powered off, the electromagnetic valve is closed, the ventilation fan is started, and indoor air circulation is carried out.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. An automatic trip valve of intelligence gas includes:
the detection module (1) is used for sending a leakage signal after detecting gas leakage;
the alarm module (4) is electrically connected to the output end of the detection module (1) and used for receiving the leakage signal and then sending out an alarm; the method is characterized in that: the gas leakage detection device is characterized by further comprising an execution module (5) used for cutting off a valve (53) after receiving a leakage signal, wherein the execution module (5) comprises a circuit breaking relay (50) connected to the output end of the detection module (1), a normally closed contact of the circuit breaking relay (50) is connected with the valve (53) in series, a starting relay (51) is connected to the circuit breaking relay (50) in parallel, and a normally open contact of the starting relay (51) is connected with a ventilation motor (52) used for discharging leaked gas to the outdoor in series.
2. The automatic trip valve of intelligence gas of claim 1, characterized in that: the valve (53) is an electromagnetic valve connected in series with a normally closed contact of the cut-off relay (50).
3. The automatic trip valve of intelligence gas of claim 1, characterized in that: the gas concentration detection device further comprises a reference module (2) used for providing a maximum allowable value of gas concentration and sending out a reference signal, and a comparison unit electrically connected to the detection module (1) and the reference module (2), wherein the comparison unit is used for receiving the leakage signal and the reference signal and sending out an over-value signal to the alarm module (4).
4. The automatic trip valve of intelligence gas of claim 3, characterized in that: the output end of the comparison unit is electrically connected to the execution module (5), and the parallel execution module (5) sends out an over-value signal.
5. The automatic trip valve of intelligence gas of claim 1, characterized in that: the alarm module (4) comprises a buzzer (41) which is electrically connected with the output end of the detection module (1) and is used for receiving the leakage signal and then sounding.
6. The automatic trip valve of intelligence gas of claim 1 or 5, characterized in that: alarm module (4) send bright pilot lamp (40) including electric connection at detection module (1)'s output and after being used for receiving the leakage signal, pilot lamp (40) set up beside valve (53).
7. The automatic trip valve of intelligence gas of claim 1, characterized in that: alarm module (4) include remote alarm unit (42) of electric connection on detection module (1), remote alarm unit (42) send remote communication signal's wireless transceiver chip including being used for receiving behind the leakage signal to and be used for receiving the server of wireless transceiver chip, server electric connection has the display screen that is used for showing alarm information.
8. The automatic trip valve of intelligence gas of claim 3, characterized in that: the reference module (2) comprises a slight reference unit (20) for emitting a slight reference signal, a severe reference unit (21) for emitting a severe reference signal, and the comparison module (3) comprises a slight comparison unit (30) and a severe comparison unit (31), wherein the input end of the slight comparison unit (30) is electrically connected to the detection module (1) and the slight reference unit (20) and is used for receiving the leakage signal and the slight reference signal and then emitting the slight leakage signal, and the input end of the severe comparison unit (31) is electrically connected to the detection module (1) and the severe reference unit (21) and is used for receiving the leakage signal and the severe reference signal and then emitting the severe leakage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070323.2U CN210661626U (en) | 2019-07-09 | 2019-07-09 | Automatic trip valve of intelligence gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070323.2U CN210661626U (en) | 2019-07-09 | 2019-07-09 | Automatic trip valve of intelligence gas |
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| Publication Number | Publication Date |
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| CN210661626U true CN210661626U (en) | 2020-06-02 |
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| CN201921070323.2U Active CN210661626U (en) | 2019-07-09 | 2019-07-09 | Automatic trip valve of intelligence gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517456A (en) * | 2019-07-11 | 2019-11-29 | 深圳市中燃科技有限公司 | A kind of intelligent gas automatically cuts off valve control system and its control method |
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2019
- 2019-07-09 CN CN201921070323.2U patent/CN210661626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517456A (en) * | 2019-07-11 | 2019-11-29 | 深圳市中燃科技有限公司 | A kind of intelligent gas automatically cuts off valve control system and its control method |
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