CN106042829A - Vehicle air conditioning system temperature logic control method - Google Patents
Vehicle air conditioning system temperature logic control method Download PDFInfo
- Publication number
- CN106042829A CN106042829A CN201610401654.4A CN201610401654A CN106042829A CN 106042829 A CN106042829 A CN 106042829A CN 201610401654 A CN201610401654 A CN 201610401654A CN 106042829 A CN106042829 A CN 106042829A
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- temperature
- compressor
- conditioning system
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- air conditioning
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Classifications
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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
-
- 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
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a vehicle air conditioning system temperature logic control method. The method includes the steps that the sunlight intensity is read through a sunlight intensity sensor, compensation for the output temperature requirement is conducted according to the sunlight intensity, and the output temperature is determined; and an adjusting temperature value is calculated, wherein the output temperature is determined according to the output temperature requirement, the extra-vehicle temperature and the intra-vehicle temperature, all of which are set through an air conditioner controller, through calibration of various types of vehicle models, the working temperature intervals of a compressor under all working conditions are obtained, a corresponding working curve of the on-off temperature, changing along with the set temperature, of the compressor is obtained through fitting, and the working state of the compressor is controlled according to the above corresponding working curve. By the adoption of the method, the on-off temperature of the compressor can be controlled within the temperature interval changing along with the refrigerating requirements, and the oil consumption of part of the working conditions can be greatly reduced. The on-off frequency of the compressor is reduced, no cost is added on the basis of a traditional air conditioning system, and a temperature control manner for saving more energy is achieved only through control.
Description
Technical field
The invention belongs to automobile air conditioning technology, particularly to a kind of air conditioning system for vehicle temperature logic control method.
Background technology
In automotive air-conditioning system is arranged in enging cabin 100 and passenger compartment 200 at present (as shown in Figure 1), enging cabin 100
Built with compressor 1, outdoor temperature sensor 2 and cooling-water temperature sensor 3, passenger compartment 200 is built with sunlight strength sensor 4, sky
Adjust controller 5, indoor temperature transmitter 6 and evaporator temperature sensor 7.Compressor 1, outdoor temperature sensor 2, water temperature sense
Device 3, sunlight strength sensor 4, indoor temperature transmitter 6 and evaporator temperature sensor 7 are all connected with air-conditioner controller 5.Vapour
The automotive air-conditioning system temperature control mode of car air conditioning system, mainly has two kinds: traditional control method and variable compressor are adjusted
Joint mode.Traditional control method is to use blender door to be mixed by the warm braw of the cold wind of vaporizer side with heater cores side, output
One comfortable temperature.So maximum problem is: determine that the evaporator surface temperature in compressor temperature interval is one and fixes
Value, there will be the frequent break-make protection of compressor after refrigeration balance.Its deficiency be mainly reflected in following some: high frequent
Break-make has considerable influence to engine output stability, and continuous firing is at excess refrigerating state, and oil consumption waste is bigger.
Air conditioning system air-out regulative mode is for realizing " demand temperature " at present, and blender door is opened, and makes " refrigerating evaporator table
Surface temperature " cold wind mix with the hot blast of " heater cores temperature ", draw one approximation demand temperature " changes in temperature mixing after temperature
Degree ".
In compressor make and break process, air conditioner output temperature there will be fluctuation.The impulse noise that compressor produces when adhesive
Sound is relatively frequent, affects ride comfort.Being mixed into cold wind by warm braw and realize temperature regulation, refrigerating capacity waste is bigger.Automatic air condition
Temperature controls air door to be needed the most constantly to adjust, and requires the highest to its endurance quality.Electrical fault rate is higher.
Variable compressor regulative mode is to be controlled by the displacement variation of variable compressor, it is achieved refrigerating capacity output
Change.Its problem is mainly reflected in the relatively costly of variable compressor.
The thermoregulator drawback of automobile air conditioner air outlet is at present, on the one hand strength refrigeration, on the other hand for offsetting strength
The too low air conditioning exhausting temperature that refrigeration causes, to be mixed with warm braw on the contrary.
Summary of the invention
The technical problem to be solved is: provide a kind of temperature logic control method, at traditional air-conditioning system
On the basis of do not increase any cost, only realize more energy efficient temperature by control device and control, it is to avoid the excess refrigeration of compressor,
Reduce compressor break-make number of times, when freezing enough, improve the temperature of cold wind, rather than go to mix cold wind with hot blast, reduce temperature
The energy consumption of regulation, reduces automotive air-conditioning system and is wasting without the oil consumption under operating mode of operating at full capacity.
For achieving the above object, the present invention takes techniques below scheme.A kind of air conditioning system for vehicle temperature logic control side
Method, it is characterised in that its operating procedure is as follows:
1) outdoor temperature is read by outdoor temperature sensor；
2) indoor temperature is read by indoor temperature transmitter；
3) sunlight strength read by sunlight strength sensor, compensates output temperature demand according to described sunlight strength,
And determine output temperature；
4) regulation temperature value is calculated: what regulation temperature value reacted is the difference arranged between temperature and all kinds of ambient parameter of air-conditioning
Value, its direct reaction is refrigeration or heating demand；Its formula is as follows:
TAO=A×TEST-B×TR-C×TAM-D×TS+ E (1)；
In formula: TAOFor regulation temperature value；TESTFor design temperature；TRFor vehicle interior temperature；TAMFor the outer temperature of car；TSFor solar radiation
Intensity；A, B, C and E are the constant needing all kinds of vehicles to demarcate；
5) the output temperature demand set according to air-conditioner controller and the outer temperature of described car and described vehicle interior temperature determine defeated
Go out temperature, it is judged that air conditioning system, the need of refrigeration, if being not required to carry out freezing, close compressor, brings regulation temperature value into public affairs
Formula (2) calculates the percentage ratio of a blender door aperture, by airdoor control warm braw and the mixed proportion of new wind, it is achieved actual
Output temperature；If desired freeze, then locking air door refrigeration position, brings formula (3) and formula (4) into by regulation temperature value
In, adjust according to temperature requirements and cut off temperature, and calculate cut-out temperature and the adhesive temperature of compressor, the model of these two temperature
Enclose and be temperature range, use this temperature range control compressor break-make:
(2)；
TL=[P × (1-SW) × To]+[Q × SW × 15] (3)；
TH=TL+m (4)；
In formula: SW is the percentage ratio of blender door aperture；TE is evaporator outlet temperature sensor signal；TL is that compressor stops
The cut-out temperature of work；TH is the adhesive temperature of compressor reply work；To is compressor minimum cut-out temperature；TL is for cutting off temperature
Degree；TH adhesive temperature；A, B, C, P, Q, m be need all kinds of vehicles demarcate constant, A, B, C, P, Q span be positioned at 0 ~ 2 it
Between, value retains two-decimal, and m is the operational difference that Conventional control logic specifies, is generally arranged at about 2.0 DEG C, and value is protected
Stay a decimal；
6) environment inside car temperature is demarcated: in the case of environment inside car temperature is 17.5 DEG C ~ 27.5 DEG C, by every 0.5 DEG C be
One operating mode, draws the compressor operating temperature range under each operating mode, simulates compressor break-make temperature and becomes with arranging temperature
The corresponding working curve changed, and control compressor operating state with above-mentioned corresponding working curve.
Preferentially, the temperature model that described compressor operating temperature range is turned off between temperature curve and adhesive temperature curve
Enclose.
Preferentially, to be compressor minimum cut-out temperature with under cooling condition the highest when arranging temperature for described cut-out temperature curve
Cut-out temperature between curve.
Preferentially, under described cooling condition the highest cut-out temperature time temperature is set less than 15 DEG C.
Preferentially, described adhesive temperature curve is to move formed and this cut-out temperature on described cut-out temperature curve
The curve of oriented parallel.
Preferentially, described compressor minimum cut-out temperature is the compressor cut-out temperature value of air conditioning system calibration and usage.
The present invention can make the break-make temperature of compressor control a temperature range with refrigeration demand change, compressor
Excess refrigeration can be avoided by, and the oil consumption of Part load can be greatly reduced.Reduce compressor break-make number of times, when freezing enough,
Improve the temperature of cold wind, rather than go to mix cold wind, relatively low energy consumption with hot blast.Do not increase any on the basis of traditional air-conditioning system
Cost, only by a kind of more energy efficient temperature control mode of control realization.
Accompanying drawing explanation
Fig. 1 is air conditioning system schematic diagram in car；
Fig. 2 is the control system figure of the present invention；
Fig. 3 is the air-conditioning system temperature interval curve exemplary plot of the present invention；
Fig. 4 is the leaving air temp adjustment curve figure of traditional control logic；
Fig. 5 is the air conditioning system leaving air temp adjustment curve figure in the embodiment of the present invention.
In figure: 100. enging cabins, 200. passenger compartments, 1. compressor, 2. outdoor temperature sensor, 3. cooling-water temperature sensor,
4. sunlight strength sensor, 5. air-conditioner controller, 6. indoor temperature transmitter, 7. evaporator temperature sensor.
Detailed description of the invention
In conjunction with drawings and Examples, the invention will be further described.See Fig. 1, Fig. 2 and Fig. 3, a kind of car air-conditioner
System temperature logic control method, its operating procedure is as follows:
1) outdoor temperature 204 is read by outdoor temperature sensor 2；
2) indoor temperature 203 is read by indoor temperature transmitter 6；
3) sunlight strength read by sunlight strength sensor 4, mends output temperature demand 201 according to described sunlight strength
Repay, and determine output temperature 202；
4) regulation temperature value T is calculatedAO: regulation temperature value TAOReaction is the arranging between temperature and all kinds of ambient parameter of air-conditioning
Difference, its direct reaction be refrigeration or heating demand；Its formula is as follows:
TAO=A×TEST-B×TR-C×TAM-D×TS+ E (1)；
In formula: TAOFor regulation temperature value；TESTFor design temperature；TRFor vehicle interior temperature；TAMFor the outer temperature of car；TSFor solar radiation
Intensity；A, B, C and E are the constant needing all kinds of vehicles to demarcate；
5) temperature 204 and described vehicle interior temperature outside the output temperature demand 201 set according to air-conditioner controller 5 and described car
203 determine output temperature 202, it is judged that air conditioning system is the need of refrigeration 205, if being not required to carry out freezing, close compressor 1,
Will regulation temperature value TAOBring the percentage ratio SW calculating a blender door aperture in formula (2) into, by airdoor control warm braw and
The mixed proportion 206 of new wind, it is achieved actual output temperature；If desired freeze, then locking air door refrigeration position 207, will adjust
Joint temperature TAOValue is brought in formula (3) and formula (4), adjusts according to temperature requirements and cuts off temperature 208, and calculates compressor
Cutting off temperature TL and adhesive temperature TH, the scope of these two temperature is " temperature range ", uses this temperature range to control compression
Machine break-make 209:
(2)；
TL=[P × (1-SW) × To]+[Q × SW × 15] (3)；
TH=TL+m (4)；
In formula: SW is the percentage ratio of blender door aperture；TE is evaporator outlet temperature sensor signal；TL is that compressor stops
The cut-out temperature of work；TH is the adhesive temperature of compressor reply work；To is compressor minimum cut-out temperature；TL is for cutting off temperature
Degree；TH adhesive temperature；A, B, C, P, Q, m be need all kinds of vehicles demarcate constant, A, B, C, P, Q span be positioned at 0 ~ 2 it
Between, value retains two-decimal, and m is the operational difference that Conventional control logic specifies, is generally arranged at about 2.0 DEG C, and value is protected
Stay a decimal；
6) environment inside car temperature is demarcated: in the case of environment inside car temperature is 17.5 DEG C ~ 27.5 DEG C, by every 0.5 DEG C be
One operating mode, draws the compressor operating temperature range under each operating mode, simulates compressor break-make temperature and becomes with arranging temperature
The corresponding working curve changed, and control compressor operating state with above-mentioned corresponding working curve.
Described compressor operating temperature range is turned off the temperature range between temperature curve and adhesive temperature curve.
Described cut-out temperature curve be compressor minimum cut-out temperature To with under cooling condition the highest cutting time temperature is set
Curve between disconnected temperature Tmax.
Under described cooling condition, the highest cut-out temperature when arranging temperature is less than 15 DEG C.
Described adhesive temperature curve is to move formed on described cut-out temperature curve to put down with this cut-out temperature curve
The curve of row.
Described compressor minimum cut-out temperature is that the compressor of air conditioning system calibration and usage cuts off temperature value.
Embodiment: by Fig. 3 to Fig. 5, we can reflect leaving air temp regulation and the present invention of current air conditioning system
The essential difference of leaving air temp regulation.
Fig. 3 is that certain vehicle uses this temperature control logic, and determined according to real vehicle environmental simulation test calibration result
Bar compressor adhesive temperature curve and compressor cut off temperature curve.The air conditioning system that this project controls according to this temperature curve,
Substantially the target of the present invention can be realized.
Fig. 4 is certain vehicle each output temperature curve before using the present invention, after using Conventional control logic to regulate.Fig. 5
It is to change the temperature curve of output of this vehicle after the present invention, from two figures contrasts it can be seen that Fig. 5 eliminates air heating is made again
By the process of cold wind mixing, more energy-conservation than former control logic.
The control mode of the present invention, what it was implemented it is critical only that one linear compressor operating temperature range curve of setting
(temperature range that region is this design temperature between cut-out temperature and adhesive temperature under each design temperature), such as accompanying drawing
5, for the compressor operating temperature range curve demarcated under certain operating mode.In the case of refrigeration surplus, air-conditioner controller can be automatically
Adjust the selected element of temperature range, even if at this moment air-conditioning box temperature mixing air door maintains static, it is possible to realize regulation air-conditioning output
The effect of temperature.
The air-out regulative mode of the present invention is for realizing demand temperature, it is only necessary to the operating temperature interval controlling compressor makes system
Cold evaporator surface temperature plateau exports the temperature of an approximation demand temperature.And this whole process, blender door is to close,
Mixing without warm braw.Avoid the excess refrigeration of compressor, decrease compressor break-make number of times, when freezing enough, improve
The temperature of cold wind, rather than go to mix cold wind with hot blast, reduce thermoregulator energy consumption, also reduce automotive air-conditioning system simultaneously
Wasting without the oil consumption under operating mode of operating at full capacity.
Claims (6)
1. an air conditioning system for vehicle temperature logic control method, it is characterised in that its operating procedure is as follows:
1) outdoor temperature is read by outdoor temperature sensor；
2) indoor temperature is read by indoor temperature transmitter；
3) sunlight strength read by sunlight strength sensor, compensates output temperature demand according to described sunlight strength,
And determine output temperature；
4) regulation temperature value is calculated: what regulation temperature value reacted is the difference arranged between temperature and all kinds of ambient parameter of air-conditioning
Value, its direct reaction is refrigeration or heating demand；Its formula is as follows:
TAO=A×TEST-B×TR-C×TAM-D×TS+ E (1)；
In formula: TAOFor regulation temperature value；TESTFor design temperature；TRFor vehicle interior temperature；TAMFor the outer temperature of car；TSFor solar radiation
Intensity；A, B, C and E are the constant needing all kinds of vehicles to demarcate；
5) the output temperature demand set according to air-conditioner controller and the outer temperature of described car and described vehicle interior temperature determine defeated
Go out temperature, it is judged that air conditioning system, the need of refrigeration, if being not required to carry out freezing, close compressor, brings regulation temperature value into public affairs
Formula (2) calculates the percentage ratio of a blender door aperture, by airdoor control warm braw and the mixed proportion of new wind, it is achieved actual
Output temperature；If desired freeze, then locking air door refrigeration position, brings formula (3) and formula (4) into by regulation temperature value
In, adjust according to temperature requirements and cut off temperature, and calculate cut-out temperature and the adhesive temperature of compressor, the model of these two temperature
Enclose and be temperature range, use this temperature range control compressor break-make:
(2)；
TL=[P × (1-SW) × To]+[Q × SW × 15] (3)；
TH=TL+m (4)；
In formula: SW is the percentage ratio of blender door aperture；TE is evaporator outlet temperature sensor signal；TL is that compressor stops
The cut-out temperature of work；TH is the adhesive temperature of compressor reply work；To is compressor minimum cut-out temperature；TL is for cutting off temperature
Degree；TH adhesive temperature；A, B, C, P, Q, m be need all kinds of vehicles demarcate constant, A, B, C, P, Q span be positioned at 0 ~ 2 it
Between, value retains two-decimal, and m is the operational difference that Conventional control logic specifies, is generally arranged at about 2.0 DEG C, and value is protected
Stay a decimal；
6) environment inside car temperature is demarcated: in the case of environment inside car temperature is 17.5 DEG C ~ 27.5 DEG C, by every 0.5 DEG C be
One operating mode, draws the compressor operating temperature range under each operating mode, simulates compressor break-make temperature and becomes with arranging temperature
The corresponding working curve changed, and control compressor operating state with above-mentioned corresponding working curve.
Air conditioning system for vehicle temperature logic control method the most according to claim 1, it is characterised in that described compressor work
It is turned off the temperature range between temperature curve and adhesive temperature curve as temperature range.
Air conditioning system for vehicle temperature logic control method the most according to claim 2, it is characterised in that described cut-out temperature
Curve is the curve under compressor minimum cut-out temperature and cooling condition between the highest cut-out temperature when arranging temperature.
Air conditioning system for vehicle temperature logic control method the most according to claim 3, it is characterised in that described cooling condition
Under the highest cut-out temperature time temperature is set less than 15 DEG C.
Air conditioning system for vehicle temperature logic control method the most according to claim 2, it is characterised in that described adhesive temperature
Curve is to move the curve parallel with this cut-out temperature curve formed on described cut-out temperature curve.
Air conditioning system for vehicle temperature logic control method the most according to claim 3, it is characterised in that described compressor is
Low cut-out temperature is that the compressor of air conditioning system calibration and usage cuts off temperature value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610401654.4A CN106042829A (en) | 2016-06-11 | 2016-06-11 | Vehicle air conditioning system temperature logic control method |
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| CN201610401654.4A CN106042829A (en) | 2016-06-11 | 2016-06-11 | Vehicle air conditioning system temperature logic control method |
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ID=57170552
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933239A (en) * | 2017-11-13 | 2018-04-20 | 华晨汽车集团控股有限公司 | Automobile two-region automatic air condition control method |
| CN109774408A (en) * | 2018-12-24 | 2019-05-21 | 珠海格力电器股份有限公司 | Temperature control method of passenger car air conditioner |
| CN111251833A (en) * | 2020-03-26 | 2020-06-09 | 北京新能源汽车股份有限公司 | Temperature control system for vehicle and vehicle |
| CN111347840A (en) * | 2018-12-21 | 2020-06-30 | 北京宝沃汽车有限公司 | Control method and device for compressor cut-off point, controller and vehicle |
| CN112693278A (en) * | 2020-12-30 | 2021-04-23 | 重庆金康赛力斯新能源汽车设计院有限公司 | Automobile air conditioner controller calibration and open-loop type temperature control method |
| CN113511048A (en) * | 2020-12-25 | 2021-10-19 | 北汽福田汽车股份有限公司 | Control system of constant displacement compressor |
| CN113910862A (en) * | 2021-09-27 | 2022-01-11 | 武汉格罗夫氢能汽车有限公司 | Air conditioner control method based on thermal load and noise comfort of whole vehicle |
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| CN113511048A (en) * | 2020-12-25 | 2021-10-19 | 北汽福田汽车股份有限公司 | Control system of constant displacement compressor |
| CN112693278A (en) * | 2020-12-30 | 2021-04-23 | 重庆金康赛力斯新能源汽车设计院有限公司 | Automobile air conditioner controller calibration and open-loop type temperature control method |
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| CN113910862A (en) * | 2021-09-27 | 2022-01-11 | 武汉格罗夫氢能汽车有限公司 | Air conditioner control method based on thermal load and noise comfort of whole vehicle |
| CN113910862B (en) * | 2021-09-27 | 2023-05-09 | 武汉格罗夫氢能汽车有限公司 | Air conditioner control method based on whole vehicle heat load and noise comfort |
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Application publication date: 20161026 |