CN203260162U - Combustion gas alarm closing valve device - Google Patents
Combustion gas alarm closing valve device Download PDFInfo
- Publication number
- CN203260162U CN203260162U CN 201320260766 CN201320260766U CN203260162U CN 203260162 U CN203260162 U CN 203260162U CN 201320260766 CN201320260766 CN 201320260766 CN 201320260766 U CN201320260766 U CN 201320260766U CN 203260162 U CN203260162 U CN 203260162U
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- CN
- China
- Prior art keywords
- circuit
- solenoid valve
- control
- controller
- alarm
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000567 combustion gas Substances 0.000 title abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 abstract description 38
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000541 pulsatile effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model relates to a combustion gas alarm closing valve device. With utilization of the device, problems that the existing combustion gas alarm device has low accuracy and reliability, the voltage output that is changed with changes of gas concentration is not stable, and the existing device is not suitable for all control stop valve types can be solved. The provided device comprises a power supply circuit that is connected with a controller; a fault detection circuit, a signal amplification processing circuit, an alarm and a pulse output control interface are connected to the controller; the fault detection circuit and the signal amplification processing circuit are connected in parallel to a sensor that is a catalysis principle-based sensor; a testing circuit is connected between the signal amplification processing circuit and the controller; and the pulse output control interface is connected to a solenoid valve control circuit. A control external output terminal of the solenoid valve control circuit is connected with an external solenoid valve; and a built-in output terminal of the solenoid valve control circuit is connected with a built-in solenoid valve of a gas meter. The provided combustion gas alarm closing valve device has the advantages of convenient usage, precise measurement, and high reliability.
Description
Technical field
The utility model belongs to the application of electronic technology field, relates to gas alarm equipment, specifically the gas alarm valve closer.
Background technology
Development along with society, people's living standard also improves constantly, combustion gas has become unique fuel that a lot of families light a fire and cook, but rock gas acts as a fuel often because producing the accidents such as blast, poisoning and fire that cause of leaking, therefore installing gas alarm device for the family that uses combustion gas and enterprises and institutions etc., all is extremely important; At present, existing gas alarm device adopts the semiconductor transducer principle mostly, although it is with low cost, but has the shortcoming such as the Voltage-output that the measurement gas accuracy is not high, reliability is low, change with gas concentration is unstable; And gas meter, flow meter cuts off and external electromagnetic valve cuts off two kinds because control stop valve type is divided into, and general gas alarm device can only be the mode that both get one, does not have a kind of gas alarm device to go for two kinds of cut-out modes.
Summary of the invention
The utility model is a kind of gas alarm device of design, not high to solve traditional gas alarm device accuracy, reliability is low, unstable and the problem that is not suitable for all control stop valve types of the Voltage-output that changes with gas concentration, and the gas alarm valve closer that proposes, comprise power circuit, described power circuit is connected with controller, be connected with failure detector circuit on the controller, signal processing circuit, alarm and pulse output control interface, failure detector circuit and signal processing circuit are connected in parallel in sensor, sensor is the Catalysis Principles sensor, be connected with test circuit between signal processing circuit and the controller, pulse output control interface is connected in solenoid valve control circuit, the external output terminal of the control of solenoid valve control circuit is connected with external electromagnetic valve, and the built-in output terminal of the control of solenoid valve control circuit is connected with the gas meter, flow meter internal solenoid valve.
Described solenoid valve control circuit comprises the IC power supply regulator circuit, and the IC power supply regulator circuit is connected with external electromagnetic valve by wire, is connected with the IC electric power source distribution device on the IC the regulation of electrical circuit circuit, and the control output end of IC electric power source distribution device is connected with gas meter, flow meter.
Described controller is single-chip microcomputer.
Described alarm is audible-visual annunciator.
Be embedded with sensor sensing in the described controller and exceed standard to gas concentration, then controller sent the program of pulsatile once control shut electromagnetic valve in per at least 5 seconds.
Intentionally effect of the present utility model: when sensor sensing exceeds standard to gas concentration, send signal, after controller receives signal, in the time of the control alarm equipment alarm, the output pulse is to the IC power supply regulator circuit, if what use is external electromagnetic valve, then the IC power supply regulator circuit is directly controlled external electromagnetic valve and is closed combustion gas output, if what use is the gas meter, flow meter internal solenoid valve, then close combustion gas output by IC electric power source distribution device control gas meter, flow meter internal solenoid valve, be embedded with program in the controller, this program utilizes the Catalysis Principles sensor that extraordinary linearity and stability are arranged, when gas concentration exceeds standard, controller sends pulsatile once per at least 5 seconds, control closed electromagnetic valve combustion gas output, until sensor sensing to gas concentration when meeting standard, stop pulse output, thereby prevent that effectively alarm equipment alarm is after a period of time, people think that gas concentration is up to standard and open solenoid valve by mistake, continue to use and cause serious consequence, it is not high effectively to have solved the gas alarm device accuracy, reliability is low, unstable and the problem that is not suitable for all control stop valve types of the Voltage-output that changes with gas concentration.
Description of drawings
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is signal processing circuit schematic diagram among Fig. 1;
Fig. 3 is failure detector circuit schematic diagram among Fig. 1;
Fig. 4 is solenoid valve control circuit schematic diagram among Fig. 1.
Embodiment
Be further described below in conjunction with Fig. 1 to 4 pair of the utility model, the gas alarm valve closer, comprise power circuit, the circuit that namely is connected with plug, for equipment provides electric weight, described power circuit is connected with controller, be connected with failure detector circuit on the controller, signal processing circuit, alarm and pulse output control interface, failure detector circuit moves for detection of circuit, signal processing circuit amplifies the induced signal of sensor, thereby transmit more accurately signal to controller, alarm is used for the combustion gas alarm that exceeds standard, failure detector circuit and signal processing circuit are connected in parallel in sensor, sensor is the Catalysis Principles sensor, the Catalysis Principles sensor is so that according to different gas concentrations output electrical signals more accurately, be connected with test circuit between signal processing circuit and the controller, be used for the normal operation of test circuit, pulse output control interface is connected in solenoid valve control circuit, the external output terminal of the control of solenoid valve control circuit is connected with external electromagnetic valve, thereby control external electromagnetic valve start and stop, the built-in output terminal of the control of solenoid valve control circuit is connected with the gas meter, flow meter internal solenoid valve, thereby by the start and stop of gas meter, flow meter control gas meter, flow meter internal solenoid valve.
Described solenoid valve control circuit comprises the IC power supply regulator circuit, and the IC power supply regulator circuit is connected with external electromagnetic valve by wire, is connected with the IC electric power source distribution device on the IC the regulation of electrical circuit circuit, and the control output end of IC electric power source distribution device is connected with gas meter, flow meter.
Described controller is single-chip microcomputer, so that able to programme.
Described alarm is audible-visual annunciator.
Being embedded with sensor sensing in the described controller exceeds standard to gas concentration, then controller sent the program of pulsatile once control shut electromagnetic valve in per at least 5 seconds, so just can prevent effectively that people from thinking that gas concentration is up to standard by mistake, continue to use the generation that causes serious consequence and open solenoid valve, sent pulsatile once in per 5 seconds, so that per 5 seconds closures of solenoid valve once, blocking-up combustion gas output, the very effective generation that stops adverse consequences, and people have used the feedback behind this device to be, the susceptibility of this device, controlled, security, stability, reliability all is high.
Concrete: the integrated A/D converter of controller, the sensor voltage signal that is used for gathering after amplifying becomes digital quantity, programmed logic operational analysis digital quantity signal, when gas concentration exceeds alarm range, send sound and light alarm, and start output interface circuit, the control gas electromagnetic valve.
Whether the failure detector circuit detecting sensor breaks down, and the output fault-signal supplies to detect to CPU.
Test circuit is used for starting test operation, but whether manual testing's sound and light alarm equipment can work.
Sensor is selected the Catalysis Principles of good linearity, and the compensation correction that cooperates software to adopt is calculated, and uses the resistance bridge mode to obtain the small change in electric of responsive end, thereby improves the stability of work, makes more linearization of measurement result.
Discharge circuit adopts the single-stage amplifier can satisfy Systems balanth, adopts in addition the fault-signal comparator circuit, can make CPU detect fault-signal, and reports to the police.
Claims (4)
1. gas alarm valve closer, comprise power circuit, it is characterized in that: described power circuit is connected with controller, be connected with failure detector circuit on the controller, signal processing circuit, alarm and pulse output control interface, failure detector circuit and signal processing circuit are connected in parallel in sensor, sensor is the Catalysis Principles sensor, be connected with test circuit between signal processing circuit and the controller, pulse output control interface is connected in solenoid valve control circuit, the external output terminal of the control of solenoid valve control circuit is connected with external electromagnetic valve, and the built-in output terminal of the control of solenoid valve control circuit is connected with the gas meter, flow meter internal solenoid valve.
2. gas alarm valve closer according to claim 1, it is characterized in that: described solenoid valve control circuit comprises the IC power supply regulator circuit, the IC power supply regulator circuit is connected with external electromagnetic valve by wire, be connected with the IC electric power source distribution device on the IC the regulation of electrical circuit circuit, the control output end of IC electric power source distribution device is connected with gas meter, flow meter.
3. gas alarm valve closer according to claim 1, it is characterized in that: described controller is single-chip microcomputer.
4. gas alarm valve closer according to claim 1, it is characterized in that: described alarm is audible-visual annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320260766 CN203260162U (en) | 2013-05-14 | 2013-05-14 | Combustion gas alarm closing valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320260766 CN203260162U (en) | 2013-05-14 | 2013-05-14 | Combustion gas alarm closing valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203260162U true CN203260162U (en) | 2013-10-30 |
Family
ID=49472710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320260766 Expired - Fee Related CN203260162U (en) | 2013-05-14 | 2013-05-14 | Combustion gas alarm closing valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203260162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055796A (en) * | 2018-04-27 | 2020-12-08 | Smc 株式会社 | Solenoid valve system |
-
2013
- 2013-05-14 CN CN 201320260766 patent/CN203260162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055796A (en) * | 2018-04-27 | 2020-12-08 | Smc 株式会社 | Solenoid valve system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20180514 |