CN2692603Y - Electric Refrigerator with gas leakage monitoring function - Google Patents
Electric Refrigerator with gas leakage monitoring function Download PDFInfo
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- CN2692603Y CN2692603Y CN 200420044863 CN200420044863U CN2692603Y CN 2692603 Y CN2692603 Y CN 2692603Y CN 200420044863 CN200420044863 CN 200420044863 CN 200420044863 U CN200420044863 U CN 200420044863U CN 2692603 Y CN2692603 Y CN 2692603Y
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- refrigerator
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- gas sensor
- processing unit
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Abstract
The utility model discloses an electric refrigerator with a gas leakage monitoring function, comprising a refrigerator body, and a controller provided with a CPU central processing unit and a memory, which is characterized in that the utility model also comprises a gas sensor and a warning device which are electrically connected with the controller. The controller is provided with an identification processing unit, and the identification processing unit identifies and compares the data delivered from the gas sensor and the data in the memory, and outputs signals to the warning device when warning condition is achieved. The utility model is added with a combustible gas leakage monitoring function on the refrigerator, and when the combustible gas leakage exceeds the warning concentration limit, the controller outputs signals to warn in forms of sound and light, which ensures the safety of household.
Description
Technical field
The utility model relates to the refrigerator technology, more particularly relates to a kind of refrigerator with gas leak supervision function.
Background technology
(for example cook, boil water etc.) all can't do without using fuel gas such as liquefied gas in people's the life staying idle at home, but that the leakage of these fuel gas can constitute people's life security again is dangerous.Though some are arranged on the market sells as portable, portable air-leakage detector device, but these air-leakage detector devices all only are single gas alarm systems, only monitor at specific a kind of gas and report to the police, common have gas leakage alarm, a smoke alarm etc.These device pendulum have reduced the usage space in house at home.Common refrigerator generally is placed on the kitchen as household electrical appliance, and is nearer from the liquefaction source of the gas, but do not have the combustible gas leakage warning function, says nothing of and can cut off fuel gas path automatically to ensure people's living safety to the full extent.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of refrigerator with gas leak supervision function, to solve the household safety problem that prevents that effectively gas from leaking.Use refrigerator of the present utility model, the user need not to purchase in addition the air-leakage detector device and is placed in family.
For solving the problems of the technologies described above, construct a kind of refrigerator with gas leak supervision function, comprise refrigerator body, have the controller of CPU CPU and memory, also comprise the gas sensor, the alarm device that are electrically connected with described controller, reason unit, the insighted other places of described controling appliance, described identification processing unit the data identification comparison of the data of described gas sensor transmission and described memory and when reaching alert if to the alarm device output signal.
In the above-mentioned refrigerator, described gas sensor is pure gas sensor or gas sensor array, is arranged on the shell of refrigerator body or near the gas source.Alarm device comprises buzzer and photoelectric alarm.Above-mentioned refrigerator also comprises input unit from gas data to memory that can set.For reaching the purpose that effective control gas leaks, between the bottle of family expenses liquefied gas bottle and bottled gas pressure-reducing valve, motor-driven valve is installed, this motor-driven valve is electrically connected with refrigerator controller and is in the position that opens or closes by discerning processing unit output signal control valve.Controller is electrically connected with exhaust fan, and exhaust fan is driven by the control of identification processing unit output signal, air is drained into outdoor.Described controller has and can and be arranged on the communication port of refrigerator body shell with the sending module of outer computer communication.
The utility model compared with prior art has the following advantages and beneficial effect:
1. on refrigerator, increase the leak supervision device of fuel gas, when having guaranteed household safety, expanded the function of use of refrigerator.
2. refrigerator controller is discerned and is handled according to the data of gas sensor, and when combustible gas leakage surpassed the warning concentration limit, controller output signal carried out sound, light is reported to the police; Can also export control signal simultaneously, the gas fan pass wind that begins to rehearse, the path of cut-out fuel gas reaches the purpose of using liquefied gas safely.Gas sensor array can be discerned multiple gas with various and concentration thereof, than single gas sensor, improves the interference problem that the multiple gases cross sensitivity is brought effectively.
Description of drawings
Fig. 1 is the structural representation of the utility model first embodiment;
Fig. 2 is the utility model second embodiment schematic block circuit diagram;
Fig. 3 is the control flow chart of explanation the utility model course of work.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
The utility model has increased gas leak supervision function on the basis of general refrigerator, gas sensor is combined with the refrigerator intelligent controller, form intelligent gas and survey monitoring system, can accomplish accurately to discern rapidly gaseous species, and judge that this is poisonous, harmful, the kind of inflammable gas, character and toxicity, when gas leaked above the warning concentration limit, the controller output alarm signal carried out sound, light is reported to the police; And can further make emergency measure, for example, valve, the driving exhaust fan of closing gas source exhale pernicious gases.A specific embodiment of the present utility model as shown in Figure 1, refrigerator 2 is placed on 1 li in kitchen, on the top cover of cabinet shell, adorn a gas sensor 3, gas sensor 3 selects maybe can discern the single combustible gas sensor of liquefied gas sensitivity near the gas sensor array (sensor also can be contained in gas source such as the cooking stove) of gas with various, gas sensor 3 is connected with a input port of refrigerator controller 4 on being contained in refrigerator backplate or top board, simultaneously the joint rotation of explosion-proofing safe motor-driven valve 7 is screwed into the bottleneck of steel cylinder 6, then bottled gas pressure-reducing valve is screwed into intrinsic safety holotype anti-explosion electric valve interface.Exhaust fan 5 is contained in the kitchen ventilation place.The power line of motor-driven valve 7, exhaust fan 5 is connected on respectively on the output port of controller 4 and by controller control and opens or close.Can also adopt the mode of wireless connections to control between exhaust fan and motor-driven valve and the control panel.Controller 4 comprises CPU CPU and memory, also comprise an identification processing unit, the identification processing unit compares data and the data in the memory that gas sensor sends, and when reaching alert if to the alarm device output signal, alarm device comprises buzzer 8 (perhaps loudspeaker) and photoelectric alarm 9 (referring to Fig. 2) in parallel, and both are connected on the output port of controller.Preset gas data in the memory, in addition, the user can also be provided with gas data to memory by input unit, stipulates the warning concentration of gas voluntarily, as the warning in 1/4 o'clock at the gas burst least concentration.The course of work of the present utility model is such: the sampled data of combustible gas sensor is input in the intelligentized controller of refrigerator by input port, the identification processing unit of controller is discerned and is handled data, and with the data and the fixed gas leakage alarm concentration limit comparison of user preset of sampling, when combustible gas leakage surpasses the warning concentration limit, controller output signal carries out sound, light is reported to the police, export control signal simultaneously, open exhaust fan 5 ventilations, make 7 actions of the external explosion-proofing safe motor-driven valve of refrigerator simultaneously, valve is in closed condition, the reliable gas leakage path that cuts off reaches the order of using liquefied gas safely.Adopt gases such as the detectable liquefied petroleum gas of gas sensor array, natural gas, town gas, carbon monoxide, the workflow of controller as shown in Figure 3.
The kind of gas sensor is a lot.By used gas sensitive and gas-sensitive property difference, can be divided into semiconductor-type, solid electrolyte formula, electric chemical formula, catalytic combustion type, high score minor etc.Semiconductor transducer mainly uses semiconductor air-sensitive material, and Gas Sensors of Electric Resistance Semiconductors is to utilize the physical property of gas sensor to come work with the different principles that changed of gas content (concentration), mainly uses the metal oxide ceramic gas sensitive.Along with the research and development of new material such as composite metal oxide, mixed-metal oxides in recent years, improved the characteristic and the range of application of this gas sensor greatly.Gas sensor of the present utility model can be pure gas sensor or gas sensor array, and the pure gas sensor can adopt the WO3 gas sensor, and the concentration range that it can detect NH3 is 5ppm～50ppm; Perhaps ZnO-CuO gas sensor, it is very responsive to the CO of 200ppm.Gas sensor also can adopt non-Gas Sensors of Electric Resistance Semiconductors, the principle work that utilizes the curtage of gas sensor to change with gas content (concentration).The sensor of this type mainly contains MOS diode-type and junction diode formula, and FET gas sensor.Detect gas and mostly be fuel gas such as hydrogen, silane greatly.
In order to reach the purpose of identification multiple gases, can adopt a plurality of gas sensors to form gas sensor array with gas with various sensitivity characteristic, utilize the network mode recognition technology that mist is carried out gas identification and concentration monitor.Gas sensor array can be discerned multiple gas with various and concentration thereof simultaneously.
In addition specific embodiment is as shown in Figure 2 for the utility model, gas sensor is connected on the input port of controller 4, the output port of controller 4 be connected with buzzer 8 (perhaps loudspeaker) with photoelectric alarm 9, be contained in the motor-driven valve 7 (being connected of exhaust fan is not shown) on the household liquified gas cylinder.Identical with embodiment one, gas sensor is to controller 4 input gas datas, the identification processing unit of controller is discerned and is handled data, when gas leaks above the warning concentration limit, controller output signal carries out sound, light is reported to the police, export control signal simultaneously, open exhaust fan 5 ventilations, close motor-driven valve 7 and cut off fuel gas path.As shown in Figure 3, controller in this embodiment is provided with and can and a communication port 10 be set on the refrigerator body shell with the sending module of outer computer communication.Warning message can be reached outer computer through this communication port 10 and carry out this locality or long-distance alarm.
Claims (7)
1. refrigerator with gas leak supervision function, comprise refrigerator body, have the controller of CPU CPU and memory, it is characterized in that: also comprise the gas sensor, the alarm device that are electrically connected with described controller, reason unit, the insighted other places of described controling appliance, described identification processing unit the data identification comparison of the data of described gas sensor transmission and described memory and when reaching alert if to the alarm device output signal.
2. refrigerator according to claim 1 is characterized in that: described gas sensor is pure gas sensor or gas sensor array, and described gas sensor is arranged on the shell of refrigerator body or near the gas source.
3. refrigerator according to claim 1 is characterized in that: described alarm device comprises buzzer, photoelectric alarm.
4. refrigerator according to claim 1 is characterized in that: also comprise input unit from gas data to described memory that can set.
5. according to claim 1 or 2 or 3 or 4 described refrigerators, it is characterized in that: between the bottle of family expenses liquefied gas bottle and bottled gas pressure-reducing valve motor-driven valve is installed, described motor-driven valve is electrically connected with refrigerator controller and is in the position that opens or closes by described identification processing unit output signal control valve.
6. according to claim 1 or 2 or 3 or 4 described refrigerators, it is characterized in that: described controller is electrically connected with exhaust fan, and described exhaust fan is driven by described identification processing unit output signal control, air is drained into outdoor.
7. according to claim 1 or 2 or 3 or 4 described refrigerators, it is characterized in that: described controller has and can and be arranged on the communication port of refrigerator body shell with the sending module of outer computer communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044863 CN2692603Y (en) | 2004-04-14 | 2004-04-14 | Electric Refrigerator with gas leakage monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044863 CN2692603Y (en) | 2004-04-14 | 2004-04-14 | Electric Refrigerator with gas leakage monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2692603Y true CN2692603Y (en) | 2005-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420044863 Expired - Fee Related CN2692603Y (en) | 2004-04-14 | 2004-04-14 | Electric Refrigerator with gas leakage monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2692603Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313436A (en) * | 2010-07-06 | 2012-01-11 | 无锡松下冷机有限公司 | Refrigerator and automatic fire alarm method thereof |
| CN104166352A (en) * | 2014-08-04 | 2014-11-26 | 珠海格力电器股份有限公司 | Gas leakage detector and gas leakage detection and control method |
| CN107449216A (en) * | 2017-07-28 | 2017-12-08 | 江苏亨通线缆科技有限公司 | A kind of anti-explosion early warning device and application, explosion-proof early warning refrigerator and explosion-proof method for early warning |
| WO2021213544A1 (en) * | 2020-05-29 | 2021-10-28 | 青岛海尔电冰箱有限公司 | Method and device for measuring gas concentration by refrigerator, and refrigerator |
-
2004
- 2004-04-14 CN CN 200420044863 patent/CN2692603Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313436A (en) * | 2010-07-06 | 2012-01-11 | 无锡松下冷机有限公司 | Refrigerator and automatic fire alarm method thereof |
| CN104166352A (en) * | 2014-08-04 | 2014-11-26 | 珠海格力电器股份有限公司 | Gas leakage detector and gas leakage detection and control method |
| CN107449216A (en) * | 2017-07-28 | 2017-12-08 | 江苏亨通线缆科技有限公司 | A kind of anti-explosion early warning device and application, explosion-proof early warning refrigerator and explosion-proof method for early warning |
| WO2021213544A1 (en) * | 2020-05-29 | 2021-10-28 | 青岛海尔电冰箱有限公司 | Method and device for measuring gas concentration by refrigerator, and refrigerator |
| EP4160124A4 (en) * | 2020-05-29 | 2023-11-22 | Qingdao Haier Refrigerator Co., Ltd | Method and device for measuring gas concentration by refrigerator, and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050413 Termination date: 20120414 |