CN203479790U - Household wireless composite gas detector - Google Patents
Household wireless composite gas detector Download PDFInfo
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- CN203479790U CN203479790U CN201320578149.9U CN201320578149U CN203479790U CN 203479790 U CN203479790 U CN 203479790U CN 201320578149 U CN201320578149 U CN 201320578149U CN 203479790 U CN203479790 U CN 203479790U
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Abstract
The utility model relates to a household wireless composite gas detector, comprising a wireless detecting module and a wireless control module, wherein the wireless detecting module comprises a gas sensor, a detector microprocessor, a sensor signal processing circuit and a wireless signal sending unit, the gas sensor is connected with the detector microprocessor through the sensor signal processing circuit, the wireless signal sending unit is connected with the detector microprocessor, the wireless control module comprises a controller microprocessor, a relay control circuit and a wireless signal receiving unit, and the relay control circuit and the wireless signal receiving unit are respectively connected with the controller microprocessor. The household wireless composite gas detector adopting the structure can simultaneously detect the concentration of a variety of combustible gases and harmful gases, the detecting module and the control module can be separately installed to facilitate connecting and wiring, the structure is simple and the application range is wide.
Description
Technical field
The utility model relates to field of gas detection, relates in particular to the flammable and harmful gas detection field of family expenses, specifically refers to a kind of household radio formula composite gas detector.
Background technology
Various domestic type gas detectors in the market, major part is all freestanding, the working power that is detector is that civil power (AC220V) converts through AC/DC, the gas sensitive device of detector adopts catalytic combustion type or semiconductor-type, power consumption is large, can only the hydrocarbon class inflammable gas of single detection or a kind of harmful gas.The detecting function of the family expenses detector on market and control solenoid valve function are integrated, and when surveying Leakage Gas to some extent, detector sends sound and light alarm, export a group relay contact signal or one group of driving solenoid valve signal simultaneously.These detectors still can as the detection alarm device that detects single gas kind, the supporting networking of the conventional equipment such as gas heater, air-conditioning and gas-cooker of Dan Yaohe family (existing combustible gas leakage and easily produce again the equipment of carbon monoxide harmful gas) just can not be played reliable preventive effect, in addition conventional smoke exhaust ventilator or the exhaust blower potential range leakage point of family is far away, be inconvenient to connect drive solenoid valve or wiring not attractive in appearance.
Utility model content
The purpose of this utility model is the shortcoming that has overcome above-mentioned prior art, provides a kind of concentration, detecting module and control module of simultaneously detecting many combustible gases and harmful gas of can realizing can be installed separately, facilitate connecting wiring, simple in structure, the household radio formula composite gas detector with broader applications scope.
To achieve these goals, household radio formula composite gas detector of the present utility model has following formation:
This household radio formula composite gas detector, its principal feature is, described detector comprises wireless exploration module and wireless control module, described wireless exploration module comprises gas sensor, detector microprocessor, sensor signal processing circuit and wireless signal transmitting element, described gas sensor is connected with described detector microprocessor by described sensor signal processing circuit, described wireless signal transmitting element is connected with described detector microprocessor, described wireless control module comprises controller microprocessor, control relay circuit and reception of wireless signals unit, described control relay circuit is connected with described controller microprocessor respectively with reception of wireless signals unit, described wireless signal transmitting element and described reception of wireless signals unit communicate.
Preferably, described wireless exploration module also comprises direct supply filtering circuit, the input end of described direct supply filtering circuit is connected with outside 5V direct supply, and the output terminal of described direct supply filtering circuit is connected with wireless signal transmitting element with described detector microprocessor respectively.
Preferably, described wireless exploration module also comprises sensor control circuit, and described sensor control circuit is connected between described detector microprocessor and gas sensor.
Preferably, described wireless exploration module also comprises the working station indicator control circuit being connected with described detector microprocessor.
Preferably, described wireless control module also comprises AC power filtering shaping circuit, the input end of described AC power filtering shaping circuit is connected with outside 220V AC power, and the output terminal of described AC power filtering shaping circuit is connected with described controller microprocessor, control relay circuit and reception of wireless signals unit.
Preferably, described wireless control module also comprises the working station indicator control circuit being connected with described controller microprocessor.
Preferably, described wireless control module also comprises sound and light alarm control circuit and the key control circuit being connected with described controller microprocessor.
Adopt the household radio formula composite gas detector in this utility model, there is following beneficial effect:
(1) household radio formula composite gas detector of the present utility model can be used as the auxiliary products use of the equipment such as gas heater, air-conditioning and gas-cooker, wherein wireless exploration module is super low-power consumption environment-friendly type, Overall Power Consumption is less than 0.5W, can detect the concentration of the inflammable gas such as rock gas, liquefied petroleum gas (LPG) and CO gas in room simultaneously.
(2) the utility model adopts wireless type sending and receiving mode, and detecting module and control module can be installed separately, and solves smoke exhaust ventilator or exhaust blower potential range leakage point far away, is inconvenient to connect solenoid valve or the inaesthetic problem that connects up of driving.Be connected with 5V input connecting line, the power interface docking of the equipment such as very convenient realization and gas heater, air-conditioning and gas-cooker simultaneously.
(3) control module is passed through wireless mode, receive and identify the wireless alarm signal that detecting module sends, when the tested gas concentration that has combustible gas leakage and rough burning to produce surpasses finite concentration, wireless exploration module sends alerting signal, wireless control module receives and identifies alerting signal, controlling the action of internal relay can directly cut off the burnt gas valve of gas heater or leak carbon monoxide hazardous gas source of the gas, send sound and light alarm signal simultaneously, control the action of internal relay, the blower fan of linkage pumping cigarette machine, by outside the toxic and harmful discharge chamber in environment, can avoid personnel to suffocate and the generation of explosion accident.
Accompanying drawing explanation
Fig. 1 is the structural representation of household radio formula composite gas detector of the present utility model.
Fig. 2 is the structural representation of wireless exploration module of the present utility model.
Fig. 3 is the structural representation of wireless control module of the present utility model.
Embodiment
In order more clearly to describe technology contents of the present utility model, below in conjunction with specific embodiment, conduct further description.
As shown in Figure 1, detector of the present utility model is comprised of wireless exploration module and wireless control module, and wherein wireless exploration module major function is the concentration of monitoring inflammable gas and carbon monoxide, when concentration surpasses setting value, light alarm lamp, and export PWM alerting signal simultaneously; Wireless control module major function is to receive and identify the wireless alarm signal that wireless exploration module is sent, and controls the action of internal relay, the blower fan of linkage pumping cigarette machine, and then by outside the toxic and harmful discharge chamber in environment.Wireless control module is arranged in the smoke exhaust ventilator or exhaust blower that uses ac power supply, is used in conjunction with wireless exploration module.Wireless exploration module and wireless control module can be installed nearby, also can be indoor separately independent installation.
Wherein wireless exploration module includes gas sensor, power circuit, detector microprocessor and sensor signal processing circuit, sensor control circuit and with the wireless transmission unit of antenna, alerting signal is mainly responsible for sending in wireless transmission unit.Wireless control module includes power circuit, controller microprocessor, control relay circuit, sound and light alarm control circuit and working station indicator control circuit, and with the radio receiving unit of antenna, radio receiving unit is mainly responsible for receiving the alerting signal that wireless exploration module is sent.
As shown in Figure 2, in specific embodiment, wireless exploration modular circuit is specifically comprised of DC5V electric source filter circuit, sensor control circuit, sensor signal processing circuit, working station indicator control circuit, single-chip microcomputer signal sample circuit and wireless transmission unit transmission controlling alarm output signal circuit etc.Wherein the DC5V power supply of power supply input after magnetic bead and capacitor filtering for system provides reliable working power+5V, this DC5V power supply can be provided by equipment such as gas heater, air-conditioning and gas-cookers, and through DC-DC, conversion can obtain 3.3V power supply and offer microprocessor and gas sensor and wireless transmission cell operation; Semiconductor gas sensing device is super low-power consumption, adopts pulse power supply mode, in circuit, for anti-locking system powers on or burn out sensor during programming program, adopts two redundant hardware power control circuit modes; Systematic microprocessor adopts built-in 12 A/D conversions and resourceful 8 the technical grade single-chip microcomputers be with; Single-chip microcomputer samples gas concentration signal and after intelligent algorithm and temperature compensation, can judge whether gas concentration surpasses the alarming threshold value of setting, and then control sound and light alarm, if detector reaches alarming threshold value warning simultaneously, single-chip microcomputer output serial square-wave pulse, sends out alerting signal by Single-chip Controlling wireless transmission unit.
Gas sensor in the present embodiment adopts Japanese Fis semiconductor transducer, super low-power consumption, and Overall Power Consumption is less than 0.5W, adopts pulse power supply, the stabilization time that powers on short, reliable and stable, and precision is high, and the life-span is long; Can detect inflammable gas and the CO gas such as rock gas, liquefied petroleum gas (LPG) simultaneously.
As shown in Figure 3, in specific embodiment, wherein wireless control module circuit is comprised of 220V AC power filter shape reduction voltage circuit, relay output control circuit, working station indicator control circuit, hummer control circuit, key control circuit and radio receiving unit reception identification wireless exploration module circuit etc.Wherein the 220V power supply of power supply input after power filter shaping step-down for system provides reliable working power+5V; To single-chip microcomputer, provide 5V power supply, Single-chip Controlling button, hummer, relay work, realize respectively the functions such as noise reduction, warning, actuating of relay control blower fan solenoid valve.
In the technical scheme of household radio formula composite gas detector of the present utility model, wherein included each function device, microprocessor and modular device all can or adopt existing hardware device in prior art corresponding to actual particular hardware circuit structure, therefore these modules and device only utilize hardware circuit just can realize, and do not need to assist can automatically realize corresponding function specifically to control software.
Adopt the household radio formula composite gas detector in this utility model, there is following beneficial effect:
(1) household radio formula composite gas detector of the present utility model can be used as the auxiliary products use of the equipment such as gas heater, air-conditioning and gas-cooker, wherein wireless exploration module is super low-power consumption environment-friendly type, Overall Power Consumption is less than 0.5W, can detect the concentration of the inflammable gas such as rock gas, liquefied petroleum gas (LPG) and CO gas in room simultaneously.
(2) the utility model adopts wireless type sending and receiving mode, and detecting module and control module can be installed separately, and solves smoke exhaust ventilator or exhaust blower potential range leakage point far away, is inconvenient to connect solenoid valve or the inaesthetic problem that connects up of driving.Be connected with 5V input connecting line, the power interface docking of the equipment such as very convenient realization and gas heater, air-conditioning and gas-cooker simultaneously.
(3) control module is passed through wireless mode, receive and identify the wireless alarm signal that detecting module sends, when the tested gas concentration that has combustible gas leakage and rough burning to produce surpasses finite concentration, wireless exploration module sends alerting signal, wireless control module receives and identifies alerting signal, controlling the action of internal relay can directly cut off the burnt gas valve of gas heater or leak carbon monoxide hazardous gas source of the gas, send sound and light alarm signal simultaneously, control the action of internal relay, the blower fan of linkage pumping cigarette machine, by outside the toxic and harmful discharge chamber in environment, can avoid personnel to suffocate and the generation of explosion accident.
In this instructions, the utility model is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. a household radio formula composite gas detector, it is characterized in that, described detector comprises wireless exploration module and wireless control module, described wireless exploration module comprises gas sensor, detector microprocessor, sensor signal processing circuit and wireless signal transmitting element, described gas sensor is connected with described detector microprocessor by described sensor signal processing circuit, described wireless signal transmitting element is connected with described detector microprocessor, described wireless control module comprises controller microprocessor, control relay circuit and reception of wireless signals unit, described control relay circuit is connected with described controller microprocessor respectively with reception of wireless signals unit, described wireless signal transmitting element and described reception of wireless signals unit communicate.
2. household radio formula composite gas detector according to claim 1, it is characterized in that, described wireless exploration module also comprises direct supply filtering circuit, the input end of described direct supply filtering circuit is connected with outside 5V direct supply, and the output terminal of described direct supply filtering circuit is connected with wireless signal transmitting element with described detector microprocessor respectively.
3. household radio formula composite gas detector according to claim 1, it is characterized in that, described wireless exploration module also comprises sensor control circuit, and described sensor control circuit is connected between described detector microprocessor and gas sensor.
4. household radio formula composite gas detector according to claim 1, is characterized in that, described wireless exploration module also comprises the working station indicator control circuit being connected with described detector microprocessor.
5. household radio formula composite gas detector according to claim 1, it is characterized in that, described wireless control module also comprises AC power filtering shaping circuit, the input end of described AC power filtering shaping circuit is connected with outside 220V AC power, and the output terminal of described AC power filtering shaping circuit is connected with described controller microprocessor, control relay circuit and reception of wireless signals unit.
6. household radio formula composite gas detector according to claim 1, is characterized in that, described wireless control module also comprises the working station indicator control circuit being connected with described controller microprocessor.
7. household radio formula composite gas detector according to claim 1, is characterized in that, described wireless control module also comprises sound and light alarm control circuit and the key control circuit being connected with described controller microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578149.9U CN203479790U (en) | 2013-09-18 | 2013-09-18 | Household wireless composite gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578149.9U CN203479790U (en) | 2013-09-18 | 2013-09-18 | Household wireless composite gas detector |
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| Publication Number | Publication Date |
|---|---|
| CN203479790U true CN203479790U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320578149.9U Expired - Lifetime CN203479790U (en) | 2013-09-18 | 2013-09-18 | Household wireless composite gas detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318364A (en) * | 2014-07-31 | 2016-02-10 | 秦祖敬 | Intelligent remote fire monitoring and controlling system and implementation method thereof |
| CN108267994A (en) * | 2018-04-18 | 2018-07-10 | 中原工学院 | A kind of fully automatic electric sub-controller based on the identification of foul smell peculiar smell |
-
2013
- 2013-09-18 CN CN201320578149.9U patent/CN203479790U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318364A (en) * | 2014-07-31 | 2016-02-10 | 秦祖敬 | Intelligent remote fire monitoring and controlling system and implementation method thereof |
| CN108267994A (en) * | 2018-04-18 | 2018-07-10 | 中原工学院 | A kind of fully automatic electric sub-controller based on the identification of foul smell peculiar smell |
| CN108267994B (en) * | 2018-04-18 | 2024-04-30 | 中原工学院 | Full-automatic electronic controller based on odor and peculiar smell recognition |
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Granted publication date: 20140312 |
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