CN204463379U - A kind of intelligent vehicle natural gas leaking phonetic alarm device - Google Patents
A kind of intelligent vehicle natural gas leaking phonetic alarm device Download PDFInfo
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- CN204463379U CN204463379U CN201420817302.3U CN201420817302U CN204463379U CN 204463379 U CN204463379 U CN 204463379U CN 201420817302 U CN201420817302 U CN 201420817302U CN 204463379 U CN204463379 U CN 204463379U
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Abstract
The utility model discloses a kind of intelligent vehicle natural gas leaking phonetic alarm device, comprise power supply, sensor and middle control unit, power supply powers to whole device, middle control unit comprises micro-chip processor and audio alert unit, sensor comprises natural gas leaking sensor, sensor and audio alert unit are electrically connected with micro-chip processor respectively, micro-chip processor is used for the detection data of receiving sensor, micro-chip processor carries out abnormal judgement according to the alarm parameters value preset to detection data, when exceeding alarm parameters value, micro-chip processor controls the warning of audio alert unit.When there is natural gas leaking in the utility model, by the mode of voice broadcast, the acquisition relevant information making driver real-time, further can also the real time record problem, time and processing mode etc. of leaking, and can also carry out data transmission with remote server.
Description
Technical field
The utility model relates to a kind of intelligent vehicle natural gas leaking phonetic alarm device.
Background technology
Gas-fueled vehicles take rock gas as a kind of gaseous fuel automobile of fuel.The methane content of rock gas, generally more than 90%, is a kind of well motor car engine fuel, by universally acknowledged for being reality and the motor petrol of technical comparative maturity, the alternate fuel of diesel oil the most.
Gas-fueled vehicles are use compressed natural gas to carry out air feed to run mostly.Generally all there is the hidden danger of leakage in the gas after compression, therefore carries out natural gas leaking and detect particularly important.Existing technology is generally when detecting that rock gas has the abnormal conditions such as leakage, driver is reminded often through hummer, driver is obtaining leakage information by LED panel, but when driving, if driver is by observation LED panel of bowing, then there is potential safety hazard, and LED panel silk-screen font is easy to be aging fuzzy, makes driver clearly cannot check produced problem.
In view of this, the present inventor develops a kind of intelligent vehicle natural gas leaking phonetic alarm device, and solve above-mentioned defect, this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of intelligent vehicle natural gas leaking phonetic alarm device, when there is natural gas leaking, by the mode of voice broadcast, and the acquisition relevant information making driver real-time.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of intelligent vehicle natural gas leaking phonetic alarm device, comprise power supply, sensor and middle control unit, power supply powers to whole device, middle control unit comprises micro-chip processor and audio alert unit, sensor comprises natural gas leaking sensor, sensor and audio alert unit are electrically connected with micro-chip processor respectively, micro-chip processor is used for the detection data of receiving sensor, micro-chip processor carries out abnormal judgement according to the alarm parameters value preset to detection data, and when exceeding alarm parameters value, micro-chip processor controls the warning of audio alert unit.
Described natural gas leaking sensor is arranged on the gas cylinder storehouse of vehicle, air pressure valve and/or reduction valve place.
Described sensor also comprises temperature sensor, smoke transducer and pressure transducer, temperature sensor is arranged on the gas cylinder storehouse of vehicle, impact damper and/or drive motor place, in the gas cylinder storehouse that smoke transducer is arranged on vehicle and/or compartment, pressure transducer is arranged on natural gas transport pipeline and/or tire place.
Described audio alert unit comprises loudspeaker, speech chip and a power amplifier chips, and loudspeaker and speech chip are electrically connected with power amplifier chips respectively.
Described middle control unit also comprises liquid crystal display, liquid crystal display and micro-chip processor electrical connection.
Described middle control unit also comprises time quantum, time quantum and micro-chip processor electrical connection.
Described time quantum is made up of crystal oscillating circuit and chargeable button cell, and chargeable button cell is by being connected with power supply with charging current limiter resistance by diode.
Described middle control unit also comprises CAN communication unit, micro-chip processor is connected with CAN remote data management terminal by this CAN communication unit, described CAN remote data management terminal is made up of CAN transceiver module and 3G or 4G communication module, and micro-chip processor carries out data transmission by this CAN remote data management terminal and remote server.
Described CAN communication unit is also connected with vehicular meter and/or vehicle rock gas management system.
Described middle control unit also comprises fault and reads button and mnemon, mnemon and micro-chip processor electrical connection, the information that mnemon receives for recording micro-chip processor and processes, read button when pressing fault, micro-chip processor reads the information of mnemon record.
After adopting such scheme, the utility model, when micro-chip processor judges that rock gas occurs to leak, being reported to the police by controlling audio alert unit, being reported the specifying information of natural gas leaking, thus vehicle is stopped when hearing and reporting sound by driver in time, and carry out emergency processing fast.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model embodiment.
Label declaration:
Sensor 1, natural gas leaking sensor 11, temperature sensor 12, smoke transducer 13, pressure transducer 14, middle control unit 2, micro-chip processor 21, audio alert unit 22, loudspeaker 221, speech chip 222, power amplifier chips 223, liquid crystal display 23, time quantum 24, crystal oscillating circuit 241, chargeable button cell 242, CAN communication unit 25, mnemon 26, CAN remote data management terminal 3, CAN transceiver module 31,3G or 4G communication module 32, remote server 4, other CAN terminal devices 5 of car load.
Embodiment
In order to explain the technical solution of the utility model further, below by specific embodiment, the utility model is elaborated.
As shown in Figure 1, a kind of intelligent vehicle natural gas leaking phonetic alarm device that the utility model discloses, comprise power supply, sensor 1 and middle control unit 2, power supply powers to whole device, middle control unit 2 comprises micro-chip processor 21 and audio alert unit 22, sensor 1 and audio alert unit 22 are electrically connected with micro-chip processor 21 respectively, micro-chip processor 21 is for the detection data of receiving sensor 1, micro-chip processor 21 carries out abnormal judgement according to the alarm parameters value preset to detection data, when exceeding alarm parameters value, micro-chip processor 21 controls audio alert unit 22 and reports to the police.
Sensor 1 comprises the natural gas leaking sensor 11 that natural gas leaking position easily appears in the gas cylinder storehouse, the air pressure valve and/or reduction valve place etc. that are arranged on vehicle, for detecting the concentration information of rock gas, when micro-chip processor 21 judges that the concentration of this rock gas has exceeded the concentration of natural gas value pre-set, control audio alert unit 22 and report the relevant informations such as the position of natural gas leaking.
Whether existing technology only leaks rock gas is detected, but the change of temperature, the condition of a fire and pressure can affect the safe handling of rock gas equally, have ignored and there is larger potential safety hazard equally to the detection of temperature, the condition of a fire and pressure.Therefore sensor 1 also comprises temperature sensor 12, smoke transducer 13 and pressure transducer 14.
Temperature sensor 12 is arranged on the gas cylinder storehouse of vehicle, impact damper and/or drive motor place, for detecting the temperature of installation site, when micro-chip processor 21 judges that this temperature has exceeded the alarm temperature pre-set, control audio alert unit 22 and report the relevant informations such as the abnormal position of temperature generation.
In the gas cylinder storehouse that smoke transducer 13 is arranged on vehicle and/or compartment, for detecting the smokescope information of installation site, the condition of a fire is there is for judging whether, when micro-chip processor 21 judges that this warm smokescope has exceeded the smokescope pre-set, control audio alert unit 22 and report the relevant informations such as the position of smokescope exception.
Pressure transducer 14 is arranged on natural gas transport pipeline and/or tire place, whether air pressure or wheel tire pressure for detecting rock gas there is hypertonia, fast decompression or are in the defective modes such as low pressure, the safe application performance of rock gas indirectly can be improved to the detection of wheel tire pressure, when micro-chip processor 21 judges that this force value has exceeded the range of pressure values pre-set, control audio alert unit 22 and report the relevant informations such as the position of pressure anomaly.
Audio alert unit 22 comprises loudspeaker 221, speech chip 222 and power amplifier chips 223, and loudspeaker 221 and speech chip 222 are electrically connected with power amplifier chips 223 respectively.All failure voice classifications or processing mode etc. are recorded in chip when dispatching from the factory by speech chip 222, and are numbered 1,2,3 respectively according to different faults ...In the middle of the micro-chip processor 21 of control unit 2 judge to receive when natural gas leaking sensor 11, temperature sensor 12, smoke transducer 13 and pressure transducer 14 feed back as abnormal information, micro-chip processor 21 sends audio alert signal by I2C Communication Control speech chip 222, and the audio alert signal that speech chip 222 sends drives loudspeaker 221 to carry out audio alert through power amplifier chips 223.Such as: when leaking appears in natural gas bottle air pressure valve, the diagnostic trouble code of this fault is 1, therefore when micro-chip processor 21 receives the fault of the natural gas bottle air pressure valve appearance leakage that natural gas leaking sensor 11 feeds back, by I2C communication, micro-chip processor 21 informs that speech chip 222 reports the voice being encoded to 1, speech chip 222 drives loudspeaker 221 to carry out audio alert through power amplifier and " please notes; natural gas bottle air pressure valve leaks ", can carry out emergency processing when driver hears this warning.
Middle control unit 2 also comprises liquid crystal display 23, and liquid crystal display 23 and micro-chip processor 21 are electrically connected, for showing the various information that micro-chip processor 21 receives and processes.Specifically can adopting 12864 lattice lcds, various symbol, Chinese character and letter can be shown by being connected with micro-chip processor 21, the Chinesizing display of various information can be realized, realize the display of different regions different literals.Liquid crystal display 23 is different from traditional LED or digitron display screen, and its display panel can not come off because font is aging, and the content of display is also more detailed.
Middle control unit 2 also comprises time quantum 24, and time quantum 24 and micro-chip processor 21 are electrically connected, by the time recording above-mentioned each abnormal generation that time quantum 24 can be real-time.Time quantum 24 can be made up of crystal oscillating circuit 241 and chargeable button cell 242, and chargeable button cell 242 is by being connected with power supply with charging current limiter resistance by diode.Specifically can adopt the existing module of crystal oscillating circuit 241(of 32.768HZ), model is the chargeable button cell 242 of MS621d, system time and continuous firing consistent with local real-time time 6 months when this chargeable button cell 242 can guarantee device powers down, for the storage of following abnormal information provides correct time.Chargeable button cell 242 automatic charging when vehicle launch, guarantees that battery electric quantity abundance avoids changing the trouble of battery.The power supply of this warning device specifically can adopt 3.3V, this 3.3V power supply just can export when warning system starts, 3.3V power supply is connected to the positive pole of chargeable button cell 242 by the charging current limiter resistance of a diode and 1k Ω resistance, the negative pole of chargeable button cell 242 is connected with annex, upon power-up of the system, and chargeable button cell 242 when there is feed 3.3V power supply just charged the battery by diode and current-limiting resistance, when chargeable button cell 242 electricity fill full after and 3.3V hold and there is not voltage difference, can not generation current owing to there is not voltage difference, therefore work of charging stops automatically, when simultaneously power-off avoided by diode, the electricity of chargeable button cell 242 flows back to warning device, ensure working long hours of chargeable button cell 242, thus work stable after realizing crystal oscillating circuit 241 power-off, guarantee system clocks accurately, for the time interocclusal record of following mnemon 26 provides safeguard.
Middle control unit 2 also comprises CAN communication unit 25, micro-chip processor 21 is connected with CAN remote data management terminal 3 by this CAN communication unit 25, described CAN remote data management terminal 3 is made up of CAN transceiver module 31 and 3G or 4G communication module 32, and micro-chip processor 21 carries out data transmission by this CAN remote data management terminal 3 with remote server 4.CAN remote data management terminal 3 is arranged on vehicle, when vehicle launch, the reception natural gas leaking sensor 11 that the micro-chip processor 21 of middle control unit 2 is real-time, temperature sensor 12, the data that smoke transducer 13 and pressure transducer 14 feed back, by CAN communication unit 25 real-time the coherent detection situation of vehicle is sent to CAN remote data management terminal 3, data are periodically sent to remote server 4 by 3G or 4G communication module 32 by CAN remote data management terminal 3, therefore driver or public transport, the operator on duty of the duty room of fleet can be surfed the Net by computer or mobile phone A PP application software and check the data of remote server 4, understand the real-time status of vehicle, the data received store by remote server 4 simultaneously, realize the remote monitoring of vehicle safety and the remote backup of data.The operator on duty when there being abnormal conditions, the data that fleet slip-stick artist etc. can also be checked on server by computer or mobile phone make emergent judgement, emergency processing mode is sent to CAN remote data management terminal 3, after CAN remote data management terminal 3 receives the data of this emergency processing mode by 3G or 4G communication module 32, the micro-chip processor 21 of middle control unit 2 is fed back to by CAN communication unit 25, the information of emergency processing mode is shown by liquid crystal display 23 by last micro-chip processor 21, and report this emergency processing mode by audio alert unit 22, realize remote emergency fast processing.According to the above-mentioned data of back-up in vehicle travel process, valuable analysis data can be improved when there is the accidents such as great gas fires dangerous situation.
CAN communication unit 25 is also connected with other CAN electric terminal equipments 5 of car load such as vehicular meter and/or vehicle rock gas management system, carries out data sharing.
Middle control unit 2 also comprises mnemon 26, mnemon 26 and micro-chip processor 21 are electrically connected, the information that mnemon 26 receives for recording micro-chip processor 21 and processes, micro-chip processor 21 is for reading the above-mentioned information of mnemon 26, and specific works process is as follows.
The 24lC64 storage chip of the 64K bit size that mnemon 26 is not lost for power down information, and be connected by the micro-chip processor 21 of I2C communication with middle control unit 2.The corresponding unique diagnostic trouble code of abnormal information such as each malfunction of vehicle, combustion gas state when travelling, such as: leaking appears in natural gas bottle air pressure valve, corresponding code is 1; The code that retarder high temperature is corresponding is 2; The code that gas cylinder storehouse smog alarm is corresponding is 4; System normal code is 0 etc., and all diagnostic trouble code are all uniquely correspond to unique abnormal information.When the micro-chip processor 21 of central control unit 2 receives the abnormal information of natural gas leaking sensor 11, temperature sensor 12, smoke transducer 13 and pressure transducer 14 feedback, the micro-chip processor 21 of middle control unit 2 by the abnormal information detected by contrasting one by one with the diagnostic trouble code table of comparisons finished in advance, and show that the concrete diagnostic trouble code of this exception is how many, then micro-chip processor 21 adds an abnormal identification code occurring or terminate again after diagnostic trouble code: 1 represents abnormal generation, and 0 represents abnormal ending.Micro-chip processor 21 is obtained system time by clock unit and system time changed into 6 length is simultaneously that the system time code of 8 is (because storage chip can only store numeral, so must change) form is as follows: xx (year), xx (moon), xx (day), xx (time), xx (dividing), xx (second), last micro-chip processor 21 is by the diagnostic trouble code that obtains and system time code, fault occurs or data write in storage chip by I2C communication by the identification code of disappearance, the form of the data of whole storage is as follows: xx (diagnostic trouble code), xx (identification code that fault occurs or disappears), xx (year), xx (moon), xx (day), xx (time), xx (dividing), xx (second).Same when abnormal information disappearance, diagnostic trouble code, failure vanishes identification code, system time that micro-chip processor 21 will disappear to storage chip Write fault.
Middle control unit 2 is also provided with fault and reads button, remote server 4 damage or abnormal signal time or the situation such as the equipment vehicle not having remote server 4 under, when being controlled the button operation selection Read fault information command of unit 2 by centering, micro-chip processor 21 will send to storage chip and read instruction, storage chip will pass through the information of I2C communication interface to micro-chip processor 21 feedback record, information format is as follows: xx (diagnostic trouble code), xx (identification code that fault occurs or disappears), xx (year), xx (moon), xx (day), xx (time), xx (dividing), xx (second), micro-chip processor 21 is by comparing data and the diagnostic trouble code table of comparisons, obtain the type of abnormal occurrence, the time occurred, end time, finally by liquid crystal display 23, foregoing is shown.
Adopt after such scheme, by the time point of query history fault and vehicle running state exception, realize the function of similar black box in natural gas leaking warning system, offer help for vehicle field emergency keeps in repair simultaneously.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (9)
1. an intelligent vehicle natural gas leaking phonetic alarm device, it is characterized in that: comprise power supply, sensor and middle control unit, power supply powers to whole device, middle control unit comprises micro-chip processor and audio alert unit, sensor comprises natural gas leaking sensor, sensor and audio alert unit are electrically connected with micro-chip processor respectively, micro-chip processor is used for the detection data of receiving sensor, micro-chip processor carries out abnormal judgement according to the alarm parameters value preset to detection data, when exceeding alarm parameters value, micro-chip processor controls the warning of audio alert unit, described middle control unit also comprises time quantum, time quantum and micro-chip processor electrical connection.
2. a kind of intelligent vehicle natural gas leaking phonetic alarm device as claimed in claim 1, is characterized in that: described natural gas leaking sensor is arranged on the gas cylinder storehouse of vehicle, air pressure valve and/or reduction valve place.
3. a kind of intelligent vehicle natural gas leaking phonetic alarm device as claimed in claim 1, it is characterized in that: described sensor also comprises temperature sensor, smoke transducer and pressure transducer, temperature sensor is arranged on the gas cylinder storehouse of vehicle, impact damper and/or drive motor place, in the gas cylinder storehouse that smoke transducer is arranged on vehicle and/or compartment, pressure transducer is arranged on natural gas transport pipeline and/or tire place.
4. a kind of intelligent vehicle natural gas leaking phonetic alarm device as claimed in claim 1, is characterized in that: described audio alert unit comprises loudspeaker, speech chip and a power amplifier chips, and loudspeaker and speech chip are electrically connected with power amplifier chips respectively.
5. a kind of intelligent vehicle natural gas leaking phonetic alarm device as claimed in claim 1, is characterized in that: described middle control unit also comprises liquid crystal display, liquid crystal display and micro-chip processor electrical connection.
6. a kind of intelligent vehicle natural gas leaking phonetic alarm device as claimed in claim 1, it is characterized in that: described time quantum is made up of crystal oscillating circuit and chargeable button cell, chargeable button cell is by being connected with power supply with charging current limiter resistance by diode.
7. a kind of intelligent vehicle natural gas leaking phonetic alarm device as claimed in claim 1, it is characterized in that: described middle control unit also comprises CAN communication unit, micro-chip processor is connected with CAN remote data management terminal by this CAN communication unit, described CAN remote data management terminal is made up of CAN transceiver module and 3G or 4G communication module, and micro-chip processor carries out data transmission by this CAN remote data management terminal and remote server.
8. a kind of intelligent vehicle natural gas leaking phonetic alarm device as claimed in claim 7, is characterized in that: described CAN communication unit is also connected with vehicular meter and/or vehicle rock gas management system.
9. a kind of intelligent vehicle natural gas leaking phonetic alarm device as claimed in claim 1, it is characterized in that: described middle control unit also comprises fault and reads button and mnemon, mnemon and micro-chip processor electrical connection, the information that mnemon receives for recording micro-chip processor and processes, read button when pressing fault, micro-chip processor reads the information of mnemon record.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420817302.3U CN204463379U (en) | 2014-12-22 | 2014-12-22 | A kind of intelligent vehicle natural gas leaking phonetic alarm device |
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| CN201420817302.3U CN204463379U (en) | 2014-12-22 | 2014-12-22 | A kind of intelligent vehicle natural gas leaking phonetic alarm device |
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| CN204463379U true CN204463379U (en) | 2015-07-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629850A (en) * | 2016-02-01 | 2016-06-01 | 莫渭 | Community overall monitoring system |
| US10205379B2 (en) | 2017-01-05 | 2019-02-12 | General Electric Company | Multilevel inverter for cryogenic power systems |
| CN109611682A (en) * | 2019-01-30 | 2019-04-12 | 东莞市华庄电子有限公司 | Applied to the device for realizing intelligent vehicle-carried monitoring operation management function on clean energy resource loading machine |
-
2014
- 2014-12-22 CN CN201420817302.3U patent/CN204463379U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629850A (en) * | 2016-02-01 | 2016-06-01 | 莫渭 | Community overall monitoring system |
| US10205379B2 (en) | 2017-01-05 | 2019-02-12 | General Electric Company | Multilevel inverter for cryogenic power systems |
| CN109611682A (en) * | 2019-01-30 | 2019-04-12 | 东莞市华庄电子有限公司 | Applied to the device for realizing intelligent vehicle-carried monitoring operation management function on clean energy resource loading machine |
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