CN104723830A - Control device of vehicular air conditioner - Google Patents
Control device of vehicular air conditioner Download PDFInfo
- Publication number
- CN104723830A CN104723830A CN201310710989.0A CN201310710989A CN104723830A CN 104723830 A CN104723830 A CN 104723830A CN 201310710989 A CN201310710989 A CN 201310710989A CN 104723830 A CN104723830 A CN 104723830A
- Authority
- CN
- China
- Prior art keywords
- carbon monoxide
- signal
- controller
- power
- air conditioner
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00792—Arrangement of detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/008—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being air quality
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Automation & Control Theory (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a control device of a vehicular air conditioner. The control device comprises a semiconductor carbon monoxide sensor, a power supply, a power amplifier, a controller, an air conditioner switch and a liftable window switch, wherein the semiconductor carbon monoxide sensor converts the carbon monoxide concentration in a vehicle into an electric signal; the power supply end of the power amplifier is connected to the power supply, the signal input end of the power amplifier is connected to the output end of the carbon monoxide sensor, the power amplifier performs power amplification on the carbon monoxide gas concentration signal, and the power level of the amplified signal is matched with the power level at the input end of the controller; the controller is connected to the output end of the power amplifier, compares the carbon monoxide gas concentration signal with a pre-stored threshold, and outputs a control signal; the air conditioner switch receives the control signal output by the controller so as to control the on and off of an air conditioner; the liftable window switch receives the control signal output by the controller so as to control liftable windows to move up and down.
Description
Technical field
The present invention relates to vehicle electronics field, refer to a kind of on-board air conditioner control setup especially.
Background technology
The development of automobile not only creates great function to social economy, also brings important impact to the life of the mankind.Automobile become people trip main traffic instrument, its convenience be aircraft, steamer and train incomparable.
China is as newly emerging economy, and become global first automobile consumption state, the vehicle guaranteeding organic quantity of current China has broken through hundred million.
Carbonic oxide (CO) gas be a kind of colourless, tasteless, non-stimulated, with the noxious gas of face perception, cannot can suppress the oxygen carrying capacity of blood.The toxicity of carbonic oxide mainly affects the provision and utilization of oxygen, and the affinity of carbonic oxide and erythrocyte, than large more than 300 times of the affinity of oxygen and erythrocyte, causes tissue anoxic.When after suction CO gas, carbonic oxide enters lung and tries to be the first and to be combined with erythrocyte, makes the ability of erythrocyte forfeiture transports oxygen, causes the multiple organ hypoxia of human body, cause tissue damaged even dead.Common people cannot oneself discover when accidental poisoning, enter comatose state when being often found, and it is even dead to lead to great bodily injury.
The favorable sealing property of present family-sized car door and window, summer weather is sultry, and in car, narrow space is airtight, and a lot of driver likes open air conditioning for automobiles under the state of stagnation of movement or in the garage drawn badly.Because automobile is under the state of stagnation of movement, air inside and outside car is difficult to carry out convection current, the carbonic oxide that driving engine long time running is discharged just may be gathered in car gradually, in addition occupant's Breathe and consume oxygen and discharge carbon dioxide, time one is long, in car, oxygen reduces gradually, and occupant just can be unconsciously poisoning and lose consciousness, can loss of life time serious.
How to prevent from opening due to air-conditioning in car and causing occupant's carbon monoxide hazard to be current problem demanding prompt solution.
Summary of the invention
For solving the problem, the present invention proposes a kind of on-board air conditioner control setup.
Technical scheme of the present invention is achieved in that
A kind of on-board air conditioner control setup, comprising:
Semi-conductor type carbon monoxide transducer, is arranged on vehicle air conditioning air extractor duct, and carbon monoxide gas concentration in car is converted to electric signal;
Power supply, comprise inverse excitation type converter, the input end of inverse excitation type converter is connected to vehicle power, and the 5V power supply voltage of its mouth stable output is to the feeder ear of described semi-conductor type carbon monoxide transducer, and the switching valve of described inverse excitation type converter selects mosfet transistor;
Power amplifier, its feeder ear is connected to described power supply, its signal input part is connected to the mouth of described carbon monoxide transducer, and described carbon monoxide gas concentration signal is carried out power gain, and the power grade of the signal power level after amplification and controller input end matches;
Controller, is connected to the mouth of described power amplifier, by described carbon-monoxide concentration signal compared with the threshold value prestored, exports control signal;
Air conditioning switch, receives the control signal that described controller exports, and controls air-conditioning and closes;
Drop window switch, receives the control signal that described controller exports, and controls drop window and falls.
Alternatively, described controller is dsp processor.
Alternatively, described controller is TMS320F2812 treater.
The invention has the beneficial effects as follows:
By CO (carbon monoxide converter) concentration in the semi-conductor type carbon monoxide transducer inspection vehicle that is arranged on vehicle air conditioning air extractor duct, when detected value exceedes threshold value, export control signal by controller, air-conditioning is closed, drop window is fallen, and effectively prevents the generation of carbon monoxide poisoning event; And power supply comprises inverse excitation type converter, output voltage stabilization, effectively can ensure the accuracy of detection of semi-conductor type carbon monoxide transducer, improves the stability of safety method, prevents maloperation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the control block diagram of a kind of on-board air conditioner control setup of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The favorable sealing property of present family-sized car door and window, summer weather is sultry, and in car, narrow space is airtight, and a lot of driver likes open air conditioning for automobiles under the state of stagnation of movement or in the garage drawn badly.Because automobile is under the state of stagnation of movement, air inside and outside car is difficult to carry out convection current, the carbonic oxide that driving engine long time running is discharged just may be gathered in car gradually, in addition occupant's Breathe and consume oxygen and discharge carbon dioxide, time one is long, in car, oxygen reduces gradually, and occupant just can be unconsciously poisoning and lose consciousness, can loss of life time serious.
The present invention is by CO (carbon monoxide converter) concentration in the semi-conductor type carbon monoxide transducer inspection vehicle that is arranged on vehicle air conditioning air extractor duct, when detected value exceedes threshold value, export control signal by controller, air-conditioning is closed, drop window is fallen, and effectively prevents the generation of carbon monoxide poisoning event.
As shown in Figure 1, a kind of on-board air conditioner control setup, comprising: semi-conductor type carbon monoxide transducer 11, is arranged on vehicle air conditioning air extractor duct, and carbon monoxide gas concentration in car is converted to electric signal; Power supply 13, comprise inverse excitation type converter, the input end of inverse excitation type converter is connected to vehicle power 14, and the 5V power supply voltage of its mouth stable output is to the feeder ear of described semi-conductor type carbon monoxide transducer, and the switching valve of described inverse excitation type converter selects mosfet transistor; Power amplifier 12, its feeder ear is connected to described power supply, its signal input part is connected to the mouth of described carbon monoxide transducer, and described carbon monoxide gas concentration signal is carried out power gain, and the power grade of the signal power level after amplification and controller input end matches; Controller 22, is connected to the mouth of described power amplifier, by described carbon-monoxide concentration signal compared with the threshold value prestored, exports control signal; Air conditioning switch 31, receives the control signal that described controller exports, and controls air-conditioning and closes; Drop window switch 32, receives the control signal that described controller exports, and controls drop window and falls.
Preferably, above-mentioned controller is dsp processor.
Above-mentioned dsp processor can be TMS320F2812DSP, and be 32 fixed DSPs, it has the AD data acquisition of EVA, EVB task manager and supporting 12 16 passages, has abundant Peripheral Interface, as CAN, SCI etc.The ADC module of TMS320F2812 is 12 bit resolutions, has the A and D converter of pipeline organization, the built-in dual-sampling hold circuit of TMS320F2812, and when keeping data acquisition, window has and independently calibrates control in advance.And allow system to same Channel-shifted repeatedly, allow user to perform over-sampling algorithm, this more traditional single transformation result adds more solution, is conducive to the precision improving sampling.There is multiple trigger source can start ADC conversion.Fast speed transfer time, ADC clock can be configured to 25MHz, and the highest sampling bandwidth is 12.5MSPS.
When building data acquisition system with TMS320F2812, need not external ADC, avoid complicated hardware design.
The present invention is by CO (carbon monoxide converter) concentration in the semi-conductor type carbon monoxide transducer inspection vehicle that is arranged on vehicle air conditioning air extractor duct, when detected value exceedes threshold value, export control signal by controller, air-conditioning is closed, drop window is fallen, and effectively prevents the generation of carbon monoxide poisoning event; And power supply comprises inverse excitation type converter, output voltage stabilization, effectively can ensure the accuracy of detection of semi-conductor type carbon monoxide transducer, improves the stability of safety method, prevents maloperation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. an on-board air conditioner control setup, is characterized in that, comprising:
Semi-conductor type carbon monoxide transducer, is arranged on vehicle air conditioning air extractor duct, and carbon monoxide gas concentration in car is converted to electric signal;
Power supply, comprise inverse excitation type converter, the input end of inverse excitation type converter is connected to vehicle power, and the 5V power supply voltage of its mouth stable output is to the feeder ear of described semi-conductor type carbon monoxide transducer, and the switching valve of described inverse excitation type converter selects mosfet transistor;
Power amplifier, its feeder ear is connected to described power supply, its signal input part is connected to the mouth of described carbon monoxide transducer, and described carbon monoxide gas concentration signal is carried out power gain, and the power grade of the signal power level after amplification and controller input end matches;
Controller, is connected to the mouth of described power amplifier, by described carbon-monoxide concentration signal compared with the threshold value prestored, exports control signal;
Air conditioning switch, receives the control signal that described controller exports, and controls air-conditioning and closes;
Drop window switch, receives the control signal that described controller exports, and controls drop window and falls.
2. on-board air conditioner control setup as claimed in claim 1, it is characterized in that, described controller is dsp processor.
3. on-board air conditioner control setup as claimed in claim 2, it is characterized in that, described controller is TMS320F2812 treater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310710989.0A CN104723830A (en) | 2013-12-20 | 2013-12-20 | Control device of vehicular air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310710989.0A CN104723830A (en) | 2013-12-20 | 2013-12-20 | Control device of vehicular air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104723830A true CN104723830A (en) | 2015-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310710989.0A Pending CN104723830A (en) | 2013-12-20 | 2013-12-20 | Control device of vehicular air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104723830A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240511A (en) * | 2016-08-24 | 2016-12-21 | 无锡卓信信息科技股份有限公司 | A kind of anti-driver is the safety reminding device of sleeping poisoning in car |
| CN107776366A (en) * | 2017-11-22 | 2018-03-09 | 科成精密模塑科技无锡有限公司 | The on-board air conditioner precision moding panel of built-in carbonic oxide alarming |
| CN110621087A (en) * | 2018-06-20 | 2019-12-27 | 马勒国际有限公司 | Method for digitally controlling a heating device and heating device |
-
2013
- 2013-12-20 CN CN201310710989.0A patent/CN104723830A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240511A (en) * | 2016-08-24 | 2016-12-21 | 无锡卓信信息科技股份有限公司 | A kind of anti-driver is the safety reminding device of sleeping poisoning in car |
| CN107776366A (en) * | 2017-11-22 | 2018-03-09 | 科成精密模塑科技无锡有限公司 | The on-board air conditioner precision moding panel of built-in carbonic oxide alarming |
| CN110621087A (en) * | 2018-06-20 | 2019-12-27 | 马勒国际有限公司 | Method for digitally controlling a heating device and heating device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |
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| WD01 | Invention patent application deemed withdrawn after publication |