CN202735285U - Bus combustible gas detection device - Google Patents
Bus combustible gas detection device Download PDFInfo
- Publication number
- CN202735285U CN202735285U CN 201220307290 CN201220307290U CN202735285U CN 202735285 U CN202735285 U CN 202735285U CN 201220307290 CN201220307290 CN 201220307290 CN 201220307290 U CN201220307290 U CN 201220307290U CN 202735285 U CN202735285 U CN 202735285U
- Authority
- CN
- China
- Prior art keywords
- combustible gas
- signal amplifier
- single chip
- detecting device
- singlechip
- Prior art date
- 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 - Lifetime
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a bus combustible gas detection device. The detection device comprises one or a plurality of gas sensors, one or a plurality of temperature sensors, a signal amplifier, a first single chip machine, a decoder, a second single chip machine and an alarming device, wherein the first single chip machine is used for processing is signal which is collected by a sensor assembly and is amplified by the signal amplifier, the second single chip machine is used for processing data which is sent by the decoder, one or a plurality of gas sensors are connected with the signal amplifier, one or a plurality of temperature sensors are connected with the first single chip machine, and the signal amplifier, the first single chip machine, the decoder, the second single chip machine and the alarming device are sequentially connected. The detector device has the advantages that the requirements of gas leakage alarming and engine compartment temperature display alarming systems of liquefied gas vehicles are met; additionally, an intelligent temperature compensating technique, a zero-point automatic calibrating function and a single chip machine intelligent judgment procedure are additionally arranged, so the false reporting rate is reduced; and the anti-interference capability of the system is high, and the reliability is high.
Description
Technical field
The utility model relates to the technical field of reporting to the police and surveying, particularly a kind of passenger vehicle combustible gas detecting device.
Background technology
Along with socioeconomic development, people constantly increase the demand of the energy, are subjected to the factors such as environmental protection and the energy, and the vehicle of the liquefied gas that acts as a fuel with rock gas (CNG), liquefied petroleum gas (LPG) (LPG) is more and more universal.Yet rock gas itself is a kind of explosives, inflammable items, must monitor fuel, and front early warning does good.At present, mostly the leakage alarm apparatus all is to utilize sensor to detect concentration of natural gas, the change in voltage of utilizing the resistance variations of sensor to cause, and then cause system alarm.The warning system of the pure mimic channel of this employing, reliability and stability are relatively poor, because element difference, homogeneity of product is poor, the nacelle environmental impact wrong report easily occurs, fails to report in addition, can't satisfy the on-vehicle safety needs.
Secondly, excess Temperature in the nacelle also can be in certain potential safety hazard, and for guaranteeing safety, temperature also must be monitored constantly, its monitor mode and combustible gas probe are similar, adopt temperature sensor, report to the police in the mode of pure mimic channel, reliability and stability are relatively poor, because element difference, homogeneity of product is poor, wrong report easily occurs, can't satisfy the on-vehicle safety needs.
The utility model content
The shortcoming that the purpose of this utility model is to overcome prior art provides better passenger vehicle combustible gas detecting device of a kind of reliability and stability with not enough.
The purpose of this utility model is achieved through the following technical solutions:
A kind of passenger vehicle combustible gas detecting device, comprise one or more gas sensors, one or more temperature sensors, signal amplifier, for the treatment of the sensor module collection and through the first single-chip microcomputer of signal amplifier amplifying signal, code translator, process second singlechip and warning device that code translator sends data, described one or more gas sensor is connected with signal amplifier, described one or more temperature sensor is connected with the first single-chip microcomputer, described signal amplifier, the first single-chip microcomputer, code translator, second singlechip and warning device are linked in sequence, and described code translator and second singlechip are arranged on the control panel.
Preferably, described warning device comprises LED light, digitron display screen and hummer, and described LED light, digitron display screen and hummer are connected with second singlechip respectively.
Preferably, described one or more gas sensor be arranged in the nacelle or air chamber in.
Preferably, described one or more temperature sensor be arranged in the nacelle or air chamber in.
Preferably, described code translator is for carrying out 8 code translators that select 1 data to process.
Preferably, further comprise the testing button that whether is in normal operation for test macro, described testing button one end is connected other end ground connection with second singlechip.
Preferably, further comprise divider resistance, described divider resistance and signal amplifier are connected in parallel.
Preferably, further comprise series limiting resistor, described series limiting resistor and LED light are connected in series.
The utility model has following advantage and effect with respect to prior art:
1, the utility model can satisfy the liquefied gas vehicle to the needs of leakage alarm and engine compartment temperature display alarm system.
2, the utility model system rejection to disturbance ability is strong, and dependable performance is not subjected to the element differentia influence simultaneously, can independently set according to different safety class.
3, the utility model adds intelligent temperature compensation technique, zero point automatic calibration function and add the Intelligent Single-Chip Based determining program, has reduced rate of false alarm.
4, the utility model can carry out parameter modification or software upgrading according to the varying environment needs.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is the physical circuit figure of detection part of the present utility model.
Description of reference numerals: 1, gas sensor; 2, temperature sensor; 3, signal amplifier; 4, the first single-chip microcomputer; 5 code translators; 6, second singlechip; 7, LED light; 71, the first LED light; 72, the second LED light; 8, digitron display screen; 9, hummer; 10, testing button; 11, current-limiting resistance; 12, divider resistance.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, the utility model main element comprises successively: gas sensor 1, temperature sensor 2, signal amplifier 3, the first single-chip microcomputer (MCU) 4, code translator 5, second singlechip (MCU) 6, and warning device, described gas sensor 1 is connected with signal amplifier 3, described temperature sensor is connected with the first single-chip microcomputer 4, described signal amplifier 3, the first single-chip microcomputer 4, code translator 5, second singlechip 6 and warning device are linked in sequence, and described code translator 5 and second singlechip 6 are arranged on the control panel.
Described warning device comprises LED light 7, digitron display screen 8 and hummer 9, and described LED light 7, digitron display screen 8 and hummer 9 are connected with second singlechip 6 respectively.
Principle of work of the present utility model is: gas sensor 1 is according to the thermal effect principle, along with changing, gas concentration makes the balance bridge out of trim, produce the electric signal that is directly proportional with concentration, the electric signal that collects is processed through signal amplifier 3, the voltage signal of handling sends the first single-chip microcomputer 4 to, the first single-chip microcomputer 4 receives and this signal of intelligent decision, and make corresponding operation response, output voltage signal, be transferred to the code translator 5 of controller through signal wire, code translator 5 selects 1 to process operation through 8, and the result is sent to second singlechip 6, second singlechip 6 receives and processes this information, judges whether to carry out alarm operation.In general, air chamber can be installed the corresponding LED light 7 of 1, one gas sensor device will of several gas sensors according to client's needs, and green light represents normally, and red colored lamp represents that air chamber has gas leakage and hummer 9 warnings are arranged.
Then similar with above-mentioned leakage alarm about temperature sensing, temperature sensor 2 and gas sensor 1 are all in same equipment, be installed in the nacelle or air chamber in, it causes change in voltage according to temperature variation, the voltage signal that collects sends the first single-chip microcomputer 4, the first single-chip microcomputers, 4 receptions to and processes this signal, according to the intelligent compensation technology, output voltage signal also sends to second singlechip 6 through signal wire, and second singlechip 6 receives signals and processes and judge this signal.If temperature does not surpass setting value, then output digit signals shows current temperature value to digitron display screen 8; If temperature surpasses setting value, then output digit signals is gone back output voltage signal to hummer 9 to outside digitron display screen 8 displays temperatures, and hummer 9 is reported to the police.
Need to prove, the critical gas concentration that the utility model combustible gas probe is reported to the police and temperature all can be set by edit routine the first single-chip microcomputer 4 in, and the signal that gathers is done afterwards output voltage signal just of intelligent decision.Secondly, also have a testing button 10 that is connected with second singlechip 6 on the control panel, when needs are tested, press the button, LED light 7 all becomes redness, hummer 9 is reported to the police, and is yellow and coruscates such as LED light 7, illustrates that then this detector breaks down.
The physical circuit of the utility model combustible gas detecting device detection circuit as shown in Figure 2, it comprises gas sensor 1, temperature sensor 2, signal amplifier 3, the first single-chip microcomputer (MCU) 4, the first LED light 71 and the second LED light 72 equally.Wherein also have divider resistance 12, the first LED light 71 and second LED light 72 in parallel with gas sensor 1 and signal amplifier 3 to be connected in series respectively again a current-limiting resistance 11.
The specific works process of foregoing circuit is: described gas sensor 1 is according to the variation of gas concentration, balance bridge out of trim change in voltage, the voltage signal that collects amplifies through signal amplifier 3 and divider resistance in parallel 12, send the first single-chip microcomputer 4 to, the first single-chip microcomputer 4 receives this signal and carries out intelligent program and judges whether to surpass setting value, and make corresponding operation response and export a voltage signal, (LED light is green for normal to control the first LED light 71 or 72 flickers of the second LED light, LED light is red for reporting to the police), and send its voltage signal to code translator 5 through signal wire.Code translator 5 receives these signals and also processes, and sends the result to second singlechip 6, and second singlechip 6 sends voltage signal to LED light.As normally then the first LED light 71 and the second LED light 72 are green; As surpassing setting value, then the first LED light 71 and the second LED light 72 are redness, and hummer 9 is reported to the police.This circuit can be installed a plurality of sensors as required, and the result shows at same control panel.
Described temperature sensor 2 causes resistance change according to the variation of temperature, change the output of its voltage, the voltage signal that collects is through sending the first single-chip microcomputer 4 to, the first single-chip microcomputer 4 receives this signal and judges processing, according to the temperature compensation program, output voltage signal sends second singlechip 6 to through signal wire, and second singlechip 6 receives this signal and processes, output digit signals shows constantly monitoring temperature to digitron display screen 8.As surpassing setting value, then second singlechip 6 output voltage signals are reported to the police to hummer 9.
In the above-mentioned combustible gas detecting device, when combustion gas was in normal operating conditions, described LED light 7 was green; When having detected gas leakage, LED light 7 is red, and hummer 9 is reported to the police; When the first single-chip microcomputer 4 was not connected to second singlechip 6, then LED light 7 was yellow, and digitron display screen 8 shows " EEE ".Warning system also is equipped with testing button 10, under any circumstance, presses testing button 10, and LED light 7 all becomes redness, and hummer 9 warnings, whether is in normal operating conditions for detection of detector.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (8)
1. passenger vehicle combustible gas detecting device, it is characterized in that, comprise one or more gas sensors, one or more temperature sensors, signal amplifier, for the treatment of the sensor module collection and through the first single-chip microcomputer of signal amplifier amplifying signal, code translator, process second singlechip and warning device that code translator sends data, described one or more gas sensor is connected with signal amplifier, described one or more temperature sensor is connected with the first single-chip microcomputer, described signal amplifier, the first single-chip microcomputer, code translator, second singlechip and warning device are linked in sequence, and described code translator and second singlechip are arranged on the control panel.
2. combustible gas detecting device according to claim 1 is characterized in that, described warning device comprises LED light, digitron display screen and hummer, and described LED light, digitron display screen and hummer are connected with second singlechip respectively.
3. combustible gas detecting device according to claim 1 is characterized in that, described one or more gas sensors be arranged in the nacelle or air chamber in.
4. combustible gas detecting device according to claim 1 is characterized in that, described one or more temperature sensors be arranged in the nacelle or air chamber in.
5. combustible gas detecting device according to claim 1 is characterized in that, described code translator is for carrying out 8 code translators that select 1 data to process.
6. combustible gas detecting device according to claim 1 is characterized in that, further comprises the testing button that whether is in normal operation for test macro, and described testing button one end is connected other end ground connection with second singlechip.
7. combustible gas detecting device according to claim 1 is characterized in that, further comprises divider resistance, and described divider resistance and signal amplifier are connected in parallel.
8. combustible gas detecting device according to claim 1 is characterized in that, further comprises series limiting resistor, and described series limiting resistor and LED light are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307290 CN202735285U (en) | 2012-06-28 | 2012-06-28 | Bus combustible gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307290 CN202735285U (en) | 2012-06-28 | 2012-06-28 | Bus combustible gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735285U true CN202735285U (en) | 2013-02-13 |
Family
ID=47660971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220307290 Expired - Lifetime CN202735285U (en) | 2012-06-28 | 2012-06-28 | Bus combustible gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217543A (en) * | 2014-07-31 | 2014-12-17 | 仙桃市诚宇汽车电器有限公司 | Vehicular gas alarm device |
| CN110914617A (en) * | 2017-05-12 | 2020-03-24 | 开利公司 | Method and system for multi-sensor gas detection |
-
2012
- 2012-06-28 CN CN 201220307290 patent/CN202735285U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217543A (en) * | 2014-07-31 | 2014-12-17 | 仙桃市诚宇汽车电器有限公司 | Vehicular gas alarm device |
| CN110914617A (en) * | 2017-05-12 | 2020-03-24 | 开利公司 | Method and system for multi-sensor gas detection |
| CN110914617B (en) * | 2017-05-12 | 2023-01-13 | 开利公司 | Method and system for multi-sensor gas detection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105698970B (en) | A kind of battery pack temperature sensing circuit method for diagnosing faults | |
| EP2667171B1 (en) | Test system and vehicle performance test system | |
| CN105259327B (en) | A kind of combustible gas detector and its detection method | |
| CN104700547B (en) | A kind of fire alarm prior-warning device for aircraft engine | |
| CN203396898U (en) | Insulator discharge detection device | |
| CN201291774Y (en) | Electrokinetic cell package flooding detecting device | |
| CN105539341B (en) | Automobile water dropping self saving system and method | |
| CN104574771A (en) | Combined type linear temperature-sensing fire detector and alarm method of combined type linear temperature-sensing fire detector | |
| CN202735285U (en) | Bus combustible gas detection device | |
| CN111179545A (en) | Person anti-suffocation device in vehicle | |
| US3939711A (en) | Engine misfire detection system | |
| CN201111688Y (en) | Gas automobile warning system | |
| CN203260147U (en) | Temperature detection device for early fire in vehicle engine compartment | |
| CN103439672A (en) | Circuit and method for detecting faults of alarm lamp of motormeter | |
| CN106802384A (en) | Electrical equipment malfunction detection method based on the sensing fusion of infrared and ultraviolet light photo | |
| US3999383A (en) | Engine misfire protection system | |
| CN107146367A (en) | A kind of detection of natural gas and temperature alarm system | |
| US4194195A (en) | Portable liquid level maintenance monitor system for vehicles | |
| CN212693760U (en) | Combustible gas detector and equipment | |
| CN103136892A (en) | Automobile flame-proof alarming device | |
| CN206893060U (en) | A kind of detection of natural gas and temperature alarm system | |
| CN219936066U (en) | Test device | |
| CN103234593A (en) | Digitalizer for pointer pressure gauge of air respirator and method for achieving digital operation | |
| CN205788612U (en) | Train fire warning system | |
| CN212872107U (en) | STM 32-based dust concentration testing and alarming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU TONGDA AUTO ELECTRIC CO., LTD. Free format text: FORMER OWNER: GUANGZHOU BAIYUN DISTRICT TONGDA AUTOMOBILE LAMP ELECTRICAL APPLIANCES FACTORY Effective date: 20150630 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150630 Address after: Xicha Road, Baiyun District of Guangzhou City, Guangdong province 510641 No. 825 Julong Industrial Zone No. 14 Building fourth layer self Patentee after: GUANGZHOU TONGDA AUTO ELECTRIC Co.,Ltd. Address before: West Croucher road Julong Industrial Zone, Baiyun District of Guangzhou City, Guangdong province 510641 14 4 floor Patentee before: Guangzhou Baiyun Tongda Auto Lamps Electrical Factory |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |