CN101655274A - Temperature adjusting device for vehicle air conditioner - Google Patents
Temperature adjusting device for vehicle air conditioner Download PDFInfo
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- CN101655274A CN101655274A CN200910041040A CN200910041040A CN101655274A CN 101655274 A CN101655274 A CN 101655274A CN 200910041040 A CN200910041040 A CN 200910041040A CN 200910041040 A CN200910041040 A CN 200910041040A CN 101655274 A CN101655274 A CN 101655274A
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Abstract
The invention relates to a temperature adjusting device for a vehicle air conditioner, comprising a central processing unit (CPU), and an input device, a temperature sensor and an electric control switch which are respectively in electric connection with the CPU. The input device receives the target temperature instruction and cooling/warming mode instruction from user and sends the instruction tothe CPU. The temperature sensor feeds back the actual temperature in vehicle to the CPU. CPU compares the target temperature with the actual temperature and sends the driving signal for opening or closing to the electric control switch according to the cooling/warming mode and the comparative result. The electric control switch is connected to the part which controls the opening/closing of the vehicle air conditioner. Without a change of the internal structure of the vehicle air conditioner, the vehicle air conditioner can automatically intermittently work in the highest efficiency mode, so the highest efficiency mode of the vehicle air conditioner is fully utilized and the user is convenient to use during driving to lower the energy consumption.
Description
Technical field
The present invention relates to a kind of air-conditioner temperature control device, specifically is a kind of air conditioning for automobiles temperature control equipment.
Background technology
The non-freestanding cold and hot hybrid air conditioning for automobiles of the many employings of existing station wagon and car, its principle is: the normal temperature air that air blast blows out produces original cold wind and original hot blast respectively through flow through respectively evaporimeter and condenser or other thermals source of air mix door mechanism, and this cold wind and hot blast obtain mixing wind and send through air outlet through mixing.Therefore the cooling efficient of the mixing wind of air conditioning for automobiles is lower than original cold wind (maximum refrigeration mode), and intensification efficient is lower than original hot blast (maximum heating mode), and promptly the efficient of air conditioning for automobiles when using mixing wind pattern is lower.
Different with general domestic air conditioning, air conditioning for automobiles can not quit work after startup automatically.If car steering person uses maximum refrigeration mode or maximum heating mode, vehicle interior temperature will be crossed cold or mistake over time so.At this moment just need the manual-lock air conditioning for automobiles, or transfer to the suitable mixing wind of temperature.If but select the manual-lock air conditioning for automobiles this moment, after a period of time, vehicle interior temperature will go up or return and fall, and makes the driver produce sense of discomfort so.Adding drives a car needs the high concentration notice, can not frequently carry out the unlatching or the shut-down operation of air conditioning for automobiles.Therefore the driver is when using air conditioning for automobiles, more be to use the lower mixing wind pattern of efficient, need not that air conditioning for automobiles is done more operation can allow air conditioning for automobiles continue to blow out the suitable mixing wind of temperature to keep vehicle interior temperature, so that one can not make full use of the peak efficiency pattern of air conditioning for automobiles, two make and the continuous non-stop run of air conditioning for automobiles have caused energy waste thus.
In addition, owing to air conditioning for automobiles through being integrated in car body inside with the car load matching design, therefore the internal structure of air conditioning for automobiles is changed relatively difficulty.
Therefore how under the prerequisite of the internal structure that does not change air conditioning for automobiles, both can make full use of the peak efficiency pattern of air conditioning for automobiles, and can make things convenient for the user to use in the process that drives a car again, thereby cut down the consumption of energy, be technical issues that need to address.
Summary of the invention
The object of the present invention is to provide a kind of temperature-adjusting device that is used for air conditioning for automobiles, make it under the prerequisite of the internal structure that does not change air conditioning for automobiles, both can make full use of the peak efficiency pattern of air conditioning for automobiles, and can make things convenient for the user in the process that drives a car, to use again, thereby cut down the consumption of energy.
For achieving the above object, the technical solution used in the present invention is as follows:
The present invention includes: CPU and the input unit, temperature sensor and the electric-controlled switch that are electrically connected with this CPU respectively.This input unit is used to receive user's target temperature instruction and refrigeration or heating mode instruction, and this instruction is sent to CPU; This temperature sensor is used for the actual temperature in the car is fed back to CPU; This CPU is used for target temperature and actual temperature are compared, and sends the driving signal of opening or closing to electric-controlled switch according to this comparative result again after distinguishing refrigeration or heating mode; This electric-controlled switch also is connected with the parts that the control air conditioning for automobiles is opened or closed.
As a further improvement on the present invention: described temperature sensor is thermistor or thermocouple.Because direct purpose of the present invention is to make working time of compressor of air conditioning for automobiles reduce, and therefore there is no need to adopt high-precision temperature sensor, adopts lower thermistor or the thermocouple of precision to get final product.
As a further improvement on the present invention: described CPU is a single-chip microcomputer, and described electric-controlled switch is a relay.
As a further improvement on the present invention: described input unit also is used to receive user's return difference temperature instruction and converts the signal of telecommunication to and is sent to described single-chip microcomputer, described single-chip microcomputer also be used for return difference temperature and target temperature with set the new target temperature that compares with actual temperature for.
As a further improvement on the present invention: described relay is connected with the master switch or the electromagnetic clutch coil of air conditioning for automobiles.
As a further improvement on the present invention: described single-chip microcomputer also is electrically connected with display unit, and this display unit can adopt LED digital display screen or LCDs; Described single-chip microcomputer also is used to drive this display unit, the actual temperature that return difference temperature that the target temperature that explicit user is set, user set and described thermistor or thermocouple record.
The course of work of the present invention is as follows:
At first, the user sends to CPU by input unit with target temperature instruction and refrigeration or heating mode instruction.Simultaneously according to circumstances, on the control panel of air conditioning for automobiles, air conditioning for automobiles transferred to maximum refrigeration mode or maximum heating mode.
Then, after CPU receives user instruction, compare, and judge it is refrigeration or heating mode with target temperature with by the next actual temperature of temperature sensor collection.Under heating mode, if target temperature less than actual temperature, then the central processing unit controls electric-controlled switch starts air conditioning for automobiles; Electric-controlled switch is closed or do not start air conditioning for automobiles otherwise then control.Under heating mode, if target temperature less than actual temperature, then central processing unit controls is automatically controlled closes or startup air conditioning for automobiles not; Otherwise then control electric-controlled switch and start air conditioning for automobiles.
Subsequently, CPU is by temperature sensor continuous collecting actual temperature data.When actual temperature equals target temperature, central processing unit controls electric-controlled switch closing automobile air-conditioning.
After this, CPU is by temperature sensor continuous collecting actual temperature data.Under heating mode, when actual temperature was lower than target temperature, the central processing unit controls electric-controlled switch started air conditioning for automobiles and heats; Under refrigeration mode, when actual temperature was higher than target temperature, the central processing unit controls electric-controlled switch started the air conditioning for automobiles calorific value.
Compared with prior art, the invention has the beneficial effects as follows:, therefore need not to change the internal structure of air conditioning for automobiles because the parts that the present invention only needs to open or close with the control air conditioning for automobiles are connected; The present invention's automatic service intermittent under the peak efficiency pattern of automobile, the running time of compressor of air conditioner shortens, and need not user's manual adjustments, therefore promptly can make full use of the peak efficiency pattern of air conditioning for automobiles, can make things convenient for the user in the process that drives a car, to use again, make that being equiped with air conditioning for automobiles of the present invention can cut down the consumption of energy before installing.
Description of drawings
Fig. 1 is a schematic diagram of the present invention.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention includes: single-chip microcomputer 2 and respectively with the input unit 4, thermistor 1, relay 5, the LED digital display screen 3 that are electrically connected.
This input unit is used to receive user's target temperature instruction and refrigeration or heating mode instruction, and this instruction is sent to CPU.This input unit 4 comprises: some function setting keys, numerical value increase key and numerical value reduces key.Function key is used to enter refrigeration or heating mode is selected, target temperature is set pattern, the return difference temperature is set pattern.After entering refrigeration or heat preference pattern by function key, increase key and numerical value by numerical value and reduce key and select refrigeration or heating mode; After function key target approach temperature setting pattern, increase key and numerical value minimizing key selection target setting temperature by numerical value, the step level that increases and reduce is 0.1, scope is 0.0 to 50.0; After entering return difference temperature setting pattern by function key, just can be with increasing key and reducing key and set the return difference setting value, the step level that increases and reduce is 0.1, scope is 0.0 to 15.0.
This thermistor 1 is used for the actual temperature in the car is fed back to CPU, and this thermistor can be arranged on any position in the car.
This relay 5 is also connected with the master switch 6 or the electromagnetic clutch coil 7 of air-conditioning, and when this relay 5 connected, master switch 6 connected or electromagnetic clutch coil 7, thereby started air conditioning for automobiles; When this relay 5 disconnected, master switch 6 or electromagnetic clutch coil 7 disconnected, thereby closed or do not start air conditioning for automobiles.This master switch 6 is for starting the main switch that air conditioning for automobiles starts or closes; This electromagnetic clutch coil 7 has only this compressor to be connected with this engine mechanical for the compressor of control air conditioning for automobiles and the controller of automobile engine mechanical connection or disconnection, and air conditioning for automobiles can be worked.
This single-chip microcomputer 2 is used to receive and processing instruction, target setting temperature, set the return difference temperature, set refrigeration or heating mode, with target temperature and return difference temperature and with the actual temperature comparison, and under different patterns, send the driving signal to relay 5 according to this comparative result, drive this relay 5 and connect or disconnection.Under heating mode, if target temperature less than actual temperature, then single-chip microcomputer 2 control relays 5 start air conditioning for automobiles; Otherwise then control relay 5 cuts out or does not start air conditioning for automobiles.Under heating mode, if target temperature less than actual temperature, then single-chip microcomputer 2 control relays 5 or not startup air conditioning for automobiles; Otherwise then control relay 5 starts air conditioning for automobiles.
The operation principle of present embodiment is as follows:
When needs freeze, at first air conditioning for automobiles is transferred to maximum refrigeration mode, start the present invention then.The present invention is by the relay work in the induction vehicle interior temperature control device, so the startup of control air conditioning for automobiles with close.
For example, under refrigeration mode, when vehicle interior temperature do not drop to target temperature and return difference temperature and the time, relay keeps the connection of master switch or electromagnetic clutch coil, the compressor maintenance work of air conditioning for automobiles; When vehicle interior temperature dropped to setting value, relay disconnected the connection of master switch or electromagnetic clutch coil, and the compressor of air conditioning for automobiles quits work.And, changed the downtime of the compressor of air conditioning for automobiles by changing the return difference value, when the value of return difference temperature was big, the downtime of the compressor of air conditioning for automobiles was longer; When the value of return difference temperature hour, the downtime of the compressor of air conditioning for automobiles is shorter.
Claims (6)
1, a kind of temperature-adjusting device that is used for air conditioning for automobiles is characterized in that, comprising: CPU and the input unit, temperature sensor and the electric-controlled switch that are electrically connected with this CPU respectively,
This input unit is used to receive user's target temperature instruction and refrigeration or heating mode instruction, and this instruction is sent to CPU; This temperature sensor is used for the actual temperature in the car is fed back to CPU; This CPU is used for target temperature and actual temperature are compared, and sends the driving signal of opening or closing to electric-controlled switch according to this comparative result again after distinguishing refrigeration or heating mode; This electric-controlled switch also is connected with the parts that the control air conditioning for automobiles is opened or closed.
2, a kind of temperature-adjusting device that is used for air conditioning for automobiles according to claim 1, it is characterized in that: described temperature sensor is thermistor or thermocouple.
3, a kind of temperature-adjusting device that is used for air conditioning for automobiles according to claim 2, it is characterized in that: described CPU is a single-chip microcomputer, described electric-controlled switch is a relay.
4, a kind of temperature-adjusting device that is used for air conditioning for automobiles according to claim 3, it is characterized in that: described input unit also is used to receive user's return difference temperature instruction and converts the signal of telecommunication to and is sent to described single-chip microcomputer, described single-chip microcomputer also be used for return difference temperature and target temperature with set the new target temperature that compares with actual temperature for.
5, a kind of temperature-adjusting device that is used for air conditioning for automobiles according to claim 4 is characterized in that: described relay is connected with the master switch or the electromagnetic clutch coil of air conditioning for automobiles.
6, a kind of temperature-adjusting device that is used for air conditioning for automobiles according to claim 5, it is characterized in that: described single-chip microcomputer also is electrically connected with a display unit, and this display unit adopts LED digital display screen or LCDs; Described single-chip microcomputer also is used to drive this display unit, the actual temperature that return difference temperature that the target temperature that explicit user is set, user set and described thermistor or thermocouple record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910041040A CN101655274A (en) | 2009-07-10 | 2009-07-10 | Temperature adjusting device for vehicle air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910041040A CN101655274A (en) | 2009-07-10 | 2009-07-10 | Temperature adjusting device for vehicle air conditioner |
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| Publication Number | Publication Date |
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| CN101655274A true CN101655274A (en) | 2010-02-24 |
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| CN200910041040A Pending CN101655274A (en) | 2009-07-10 | 2009-07-10 | Temperature adjusting device for vehicle air conditioner |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434948A (en) * | 2011-12-10 | 2012-05-02 | 常州杰天车辆配件厂 | Automatic air-conditioning system for automobile |
| CN102923075A (en) * | 2012-10-21 | 2013-02-13 | 安徽工程大学 | Automobile cooling device |
| CN104406275A (en) * | 2014-11-28 | 2015-03-11 | 深圳如果技术有限公司 | Vehicle-mounted intelligent air conditioning device and method and motor vehicle |
| CN105291759A (en) * | 2015-11-09 | 2016-02-03 | 无锡市车后科技有限公司 | Working method of intelligent air-conditioning system based on Internet of vehicles |
| CN105353803A (en) * | 2015-11-18 | 2016-02-24 | 南车青岛四方机车车辆股份有限公司 | Rail-transit-vehicle-based temperature control method, apparatus, and system |
| CN106553496A (en) * | 2015-09-29 | 2017-04-05 | 北汽福田汽车股份有限公司 | Car alarm system and method |
-
2009
- 2009-07-10 CN CN200910041040A patent/CN101655274A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434948A (en) * | 2011-12-10 | 2012-05-02 | 常州杰天车辆配件厂 | Automatic air-conditioning system for automobile |
| CN102923075A (en) * | 2012-10-21 | 2013-02-13 | 安徽工程大学 | Automobile cooling device |
| CN104406275A (en) * | 2014-11-28 | 2015-03-11 | 深圳如果技术有限公司 | Vehicle-mounted intelligent air conditioning device and method and motor vehicle |
| CN104406275B (en) * | 2014-11-28 | 2018-03-20 | 广州市广湛新能源制冷科技有限公司 | Vehicle intelligent air-conditioning device and method and motor vehicle |
| CN106553496A (en) * | 2015-09-29 | 2017-04-05 | 北汽福田汽车股份有限公司 | Car alarm system and method |
| CN105291759A (en) * | 2015-11-09 | 2016-02-03 | 无锡市车后科技有限公司 | Working method of intelligent air-conditioning system based on Internet of vehicles |
| CN105353803A (en) * | 2015-11-18 | 2016-02-24 | 南车青岛四方机车车辆股份有限公司 | Rail-transit-vehicle-based temperature control method, apparatus, and system |
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Open date: 20100224 |