CN106427460B - A kind of automobile air-conditioner control method, device and automotive air-conditioning system - Google Patents
A kind of automobile air-conditioner control method, device and automotive air-conditioning system Download PDFInfo
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- CN106427460B CN106427460B CN201510487093.XA CN201510487093A CN106427460B CN 106427460 B CN106427460 B CN 106427460B CN 201510487093 A CN201510487093 A CN 201510487093A CN 106427460 B CN106427460 B CN 106427460B
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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
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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
- B60H1/00814—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
-
- 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
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H2001/0015—Temperature regulation
-
- 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
- B60H2001/00949—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 comprising additional heating/cooling sources, e.g. second evaporator
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of automobile air conditioner control systems, including receive or acquire signal, and the signal includes temperature damper opening amount signal；According to the signal for receiving or acquiring, judge the primary heater whether primary heater operation interval, if it is, it then controls primary heater and the air in air duct is heated according to preset power, the predetermined power of primary heater temperature damper aperture corresponding with temperature adjustment knob is adapted.In addition, also disclosing corresponding air conditioning control device and method.So that air outlet wind-warm syndrome is approached linear distribution with the variation of damper positions gear in preset section, improves the comfort level of user.
Description
[technical field]
The present invention relates to a kind of automobile air-conditioner control method, device and automotive air-conditioning systems, are applied particularly to automotive field.
[background technique]
Traditional air-conditioning system heating energy from engine, not will increase energy consumption, if because these heats without
Heating can be then discharged into air by radiator.Under most environment temperature, the heat that engine generates is enough to make
The water temperature of heats maintains 90 DEG C.And electric car does not have this stable heat of engine when using battery as power
Source generallys use high pressure positive temperature coefficient heater (PTC, Positive Temperature Coefficient) and is added
Heat.High pressure PTC heating is difficult to maintain the wind-warm syndrome linear change of electric car air outlet, affects the comfort level of passenger.
Therefore, it is necessary to be improved to existing technology, to solve the above technical problem.
[summary of the invention]
The purpose of the present invention is to provide a kind of automobile air-conditioner control method, device and its systems, make air-conditioner air outlet
Wind-warm syndrome is controllable between most hot from being most as cold as, and makes the section needed close to linear change, improves the comfort level of user.
The first aspect of the embodiment of the present invention is to provide a kind of automobile air-conditioner control method, and the air-conditioning system includes pressure
Contracting machine, evaporator, condenser, primary heater, human-computer interaction device, air conditioning control device, the human-computer interaction device include
Temperature adjustment knob, compressor open-close on-off, the evaporator, primary heater are set in air duct, and the control method includes such as
Lower step:
The air conditioning control device receives or acquisition signal, and the signal includes temperature damper opening amount signal；
The air conditioning control device is preset with the operation interval of primary heater；The operation interval pair of the primary heater
Should in one section of aperture section in temperature damper aperture section, in this section of aperture section in temperature damper aperture section,
One heater works by predetermined power；
Whether the air conditioning control device judges the primary heater in the first heating according to the signal for receiving or acquiring
The operation interval of device, if it is, control primary heater heats the air in air duct according to preset power, it is described
Primary heater predetermined power temperature damper aperture corresponding with temperature adjustment knob be adapted.
The second aspect of the embodiment of the present invention is to provide a kind of automobile air conditioning control device, comprising:
Signal receives or acquisition unit, receives or acquire signal, the signal includes temperature damper opening amount signal；
The air conditioning control device is preset with the operation interval of primary heater；
Control unit, according to receive or acquisition signal, judge the primary heater whether primary heater work
Make section, if it is, control primary heater heats the air in air duct according to preset power, described first
The predetermined power of heater temperature damper aperture corresponding with temperature adjustment knob is adapted；The operation interval pair of the primary heater
Should in one section of aperture section in temperature damper aperture section, in this section of aperture section in temperature damper aperture section,
One heater works by predetermined power.
The third aspect provided in an embodiment of the present invention is to provide a kind of automotive air-conditioning system, comprising:
Air conditioning control device and primary heater and human-computer interaction device；The human-computer interaction device and the air-conditioning control
Device or automotive controls processed are electrically connected；The air-conditioning system has refrigerating circuit, heating circuit, the refrigerating circuit
Including compressor, evaporator, expansion valve and condenser；The evaporator is arranged in air duct, the compressor and the sky
Adjust control device electrical connection；The heating circuit includes heating pump, heater cores and secondary heater, the heater cores
It is arranged in air duct, the secondary heater is electrically connected with air conditioning control device；The primary heater is arranged in air duct, with
The air conditioning control device electrical connection；
The air conditioning control device includes temperature damper according to the signal acquired from the human-computer interaction device, the signal
Aperture, judge the primary heater whether primary heater operation interval, if it is, control primary heater press
The air in air duct is heated according to preset power, the predetermined power of the primary heater is corresponding with temperature adjustment knob
Temperature damper aperture is adapted；The operation interval of the primary heater corresponds to the Duan Kaidu in temperature damper aperture section
Section, in this section of aperture section in temperature damper aperture section, primary heater works by predetermined power.
Primary heater is arranged in the automotive air-conditioning system of the embodiment of the present invention in air duct, and presets first heating
The operation interval of device, and make its operation interval and preset air outlet wind-warm syndrome with the section one of damper positions approach linear distribution
It causes, under the operating condition freezed or heated, air conditioning control device controls primary heater according to preset power to the sky in air duct
Gas is heated, and is realized air outlet wind-warm syndrome and is approached linear distribution with the variation of damper positions gear in preset section.
[Detailed description of the invention]
Fig. 1 is a kind of embodiment schematic diagram of automotive air-conditioning system of the present invention；
Fig. 2 is the temperature change ideal model schematic diagram that automotive air-conditioning system embodiment of the present invention provides；
Fig. 3 is a kind of local flow diagram that embodiment of the present invention method provides；
Fig. 4 is that a kind of primary heater of embodiment of the invention controls relevant flow diagram；
Fig. 5 is that the secondary heater of an embodiment of the present invention controls relevant flow diagram；
Fig. 6 is the relevant flow diagram of compressor control of an embodiment of the present invention；
Fig. 7 is the partial schematic diagram of the control device of an embodiment of the present invention；
Fig. 8 be another embodiment of the present invention provides control device schematic diagram.
[specific embodiment]
With reference to the accompanying drawing, technical solution is described, it is clear that described embodiment is only one of the invention
Divide embodiment, instead of all the embodiments.According to these embodiments, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of labour.
It should be noted that the primary heater in following example can use low pressure PTC when specific implementation,
Secondary heater can use high pressure PTC.Below with primary heater use low pressure PTC, secondary heater use high pressure PTC for
Example is illustrated.
With reference to Fig. 1, which is a kind of embodiment schematic diagram of automotive air-conditioning system of the present invention.
As shown in Figure 1, the air-conditioning system includes: compressor 1, condenser 2, expansion valve 3 and evaporator 4, airconditioning control
Device 12, primary heater 11, human-computer interaction device, that is, Air-Conditioning Control Panel 13 and first sensor 14, second sensor 5,
3rd sensor 10；Refrigerating circuit or heating circuit can be achieved in air-conditioning system under varying environment and facilities, can also be real
Now dry；Refrigerating circuit includes the compressor 1 for being sequentially connected with into closed circuit, condenser 2, expansion valve 3 and evaporator 4
Deng；Compressor 1 and air conditioning control device 12 are electrically connected, and evaporator 4 is arranged in air duct 15；Second sensor 5 and air-conditioning
Control device 12 is electrically connected, the surface temperature or evaporating temperature of real-time detection evaporator 4；
Heating circuit includes that heating pump 6, heater cores 8 and secondary heater 9 etc. optionally may also include expansion
Kettle 7, specifically, expansion tank 7, heating pump 6, secondary heater 9, heater cores 8 can be sequentially connected with into closed circuit, swollen
Swollen kettle 7 is also possible to be parallel to part of devices rather than be connected in series, and secondary heater 9 has and can carry out with heater element
The fluid passage of heat exchange, heater cores 8 have fluid passage, and fluid passage can be carried out with by the air of heater cores 8
Heat exchange；Secondary heater 9 can be electrically connected with air conditioning control device 12, in high temperature heating, be needed to heat pump core 8
Heat exchanging fluid medium heated, in specific implementation, such as high pressure ptc heater of secondary heater 9 can be used or other are high
Pressure heater heats the fluid media (medium) of process, and the fluid media (medium) after heating is then flowed through heater cores 8, makes by warm
Fluid media (medium) in the air stream of wind core 8 and heater cores 8 carries out heat exchange and realizes the purpose of heating.It specifically can be in sky
It adjusts and adjusts heating power under the control of control device 12.Heater cores 8 are arranged in air duct 15, after evaporator 4；Third passes
Sensor 10 can carry out electric signal connection, the temperature of 8 heat exchanging fluid medium of real-time detection heater cores with air conditioning control device 12.
In addition first sensor 14 can also be electrically connected with air conditioning control device 12, for detecting the environment temperature outside automobile；First passes
Sensor 14, second sensor 5,3rd sensor 10, secondary heater 9 etc. are also possible to connect with vehicle control device, and air-conditioning
Control device 12 is obtained by vehicle control device and transmits associated electrical signals.
Human-computer interaction device, can be Air-Conditioning Control Panel 13 in the present embodiment, and setting is filled in user terminal with airconditioning control
It sets and is electrically connected, user adjusts air conditioning for automobiles by the control panel；Temperature adjustment knob, compressor start are provided on the panel
Key and air quantity adjusting knob, air supply mode etc..Wherein, when compressor key is pressed, expression needs compressor
Start work, compressor start request signal or enabling signal can be generated accordingly；Temperature adjustment knob gear represents air-conditioning system
Interior damper positions gear information, damper positions gear increase with temperature adjustment knob gear value from 0% to 100% and linearly improve,
Damper positions are bigger, then the heat exchange of air and heater cores is more abundant, and the temperature of air outlet is relatively high.Temperature adjustment knob gear
It is relatively higher to be worth the bigger desired air-conditioner air outlet temperature of expression.With reference to Fig. 2, in the present embodiment, temperature adjustment knob gear can be with
It is set as changing with 0 to 15 grades of temperature gear, i.e., temperature damper aperture 0% to 100% changes, and air outlet temperature can be from 4 DEG C
Rise to 60 DEG C of approach linear changes；In addition to it is energy saving, its middle part can also be selectively chosen in 0 to 15 grades of constant intervals
By stages makes air outlet temperature approach linear change.It should be understood that according to the difference of air-conditioning work mode, it can be by temperature wind
Door aperture is divided into refrigeration aperture section and heating aperture section.
In order to realize that air outlet wind-warm syndrome approaches linear change with the aperture of temperature damper, the present embodiment is provided with the first heating
Device 11；The operation interval of primary heater 11 can be preset according to the demand of user, such as user requires only in refrigeration
When work, then the operation interval of primary heater is exactly the refrigeration aperture section of temperature damper, if user require from
One section of refrigeration to one section of heating, such as section of the temperature gear from 5 to 15 grade or temperature damper aperture from 15%~
60% this corresponding section is the operation interval of primary heater, these can be preset in systems；Not only first adds
The operation interval of hot device is consistent with the damper positions approach section of linear distribution with preset air outlet wind-warm syndrome；Primary heater
The power and air outlet wind-warm syndrome consumed when 11 work is adapted with damper positions gear approach linear distribution, therefore in customer requirement
Air outlet wind-warm syndrome linear distribution section in, the consumption power for being preset with primary heater is corresponding with the aperture of temperature damper
Relationship.This corresponding relationship can not repeated herein by testing or simulating acquisition.
Air conditioning control device 12, according to the signal obtained from the human-computer interaction device 13, signal may include temperature wind
Door aperture, judge current temperature damper aperture ownership section, if belong to refrigeration aperture section and compressor start by
Key belongs to starting position, then controls compressor 1, and then controls refrigerating circuit；To the if belonging to heating aperture section
Two heaters 9 are controlled, and then control heating circuit；If current temperature damper aperture gear belongs to default primary heater
11 operation intervals then control primary heater 11 simultaneously and heat according to preset power to the air in air duct, to use
Air port wind-warm syndrome approaches linear distribution, the predetermined power and outlet air one's intention as revealed in what one says with the variation of damper positions gear in preset section
Door aperture is corresponding, and in order to realize the linearity of air outlet wind-warm syndrome, which can be according to system test when refrigeration and heating
Practical air outlet temperature is determined with the temperature difference for needing to reach the linearity when verifying, is set in advance as 0 and other numerical value, accordingly
Numerical value only represent the corresponding power of the gear, and be not offered as other physical significances.
In order to make the leaving air temp of air conditioner damper than milder, preferable temperature is brought to experience to user, the present embodiment can
The wind-warm syndrome of air conditioner damper is controlled from being most as cold as in the section that most hot or user requires close to being linearly changed.Refrigeration when
It waits, air conditioning control device can control simultaneously primary heater and heat in air duct to air, so that cold-hot wind is mixed, and
Air outlet temperature is set to reach leaving air temp corresponding to the aperture of the temperature damper；When heating, air conditioning control device
Controllable primary heater heats air in air duct simultaneously, and such hot wind passes through the heat exchanging fluid medium of heater cores
After being heated, and it have passed through primary heater and carry out additional heat；To which the wind-warm syndrome for realizing air outlet is most hot from being most as cold as
Close to linear variation, and air outlet temperature is made to reach the requirement of leaving air temp corresponding to the aperture of the temperature damper.
It should be noted that it is specific to have no other only for being discriminated from for " first " described herein, " second "
Meaning.
The control method of air conditioning control device is illustrated with reference to the accompanying drawing.
The method of the present embodiment is applied in the present embodiment system shown in FIG. 1, is performed by automobile air conditioning control device
One of method, flow chart is as shown in figure 3, include the following steps:
Step 101, signal is obtained；
It should be understood that air conditioning control device signal collected includes that the signal of human-computer interaction and control system receive
Detection signal, human-computer interaction signal includes the temperature adjustment knob i.e. temperature damper opening amount signal, compressor on Air-Conditioning Control Panel
Signal, air supply mode that whether start button, that is, compressor starts etc.；Accordingly, it is to be understood that, temperature damper opening amount signal is
The signal that air conditioning control device is acquired or received from temperature adjustment knob, and the detection signal that control system receives includes vehicle unofficial biography
The outside temperature signal that sensor detects；
Step 102, air conditioning control device is operation refrigeration according to temperature damper aperture and the other parameters judgement received
Whether circuit or operation heat circuit and need to run primary heater, to air-conditioning if the mode for belonging to refrigerating circuit operation
Refrigerating circuit is controlled；The heating circuit of air-conditioning is controlled if the mode for belonging to the operation of heating circuit；If current
Temperature damper aperture section belongs to the operation interval of primary heater, then controls primary heater according to preset power to air duct
In air heated so that air outlet wind-warm syndrome in preset section with temperature damper aperture approach linear distribution；Institute
The predetermined power and air outlet wind-warm syndrome for the primary heater stated are adapted with the aperture approach linear distribution of temperature damper.
The operation interval of primary heater belongs to either segment or complete aperture section in temperature damper aperture section, tool
Body can need to preset in a control program according to system；The operation interval of primary heater and preset air outlet wind-warm syndrome are with temperature
The section that throttle opening approaches linear distribution is substantially uniform；The section of air outlet temperature approach linear distribution is needed in system, is made
Primary heater as provide supplemental heat mode, outlet temperature requirements as needed, with verifying be not turned on first plus
Difference between the outlet temperature curves of hot device, obtains the auxiliary power for needing primary heater, preset in systems into
Row compensation, so that the temperature of air outlet be made to reach the requirement of the linear distribution.
It should be understood that whether aperture of the air conditioning control device according to temperature damper, control primary heater directly to sky
Gas is heated, and is reduced the heat-energy losses of heat exchange, is reduced energy consumption, improves the utilization rate of thermal energy, but due to air duct phase
To close to car room, it is contemplated that safety problem should not use the PTC of opposing high voltage potentials, so tune cannot be directlyed adopt in car room
The mode of the power of whole high-pressure heater carries out, but the heater of a relative low voltage is separately set in air duct to the sky passed through
Gas carries out auxiliary heating；In addition, the present embodiment can set according to the demand of user air outlet wind-warm syndrome with temperature damper aperture into
The section of the row linearity carries out auxiliary heating by primary heater in this section, to carry out mixed wind, realizes electronic vapour
The approach linear change of vehicle air outlet wind-warm syndrome, makes user experience very soft temperature change, improves the comfort level of user；
And if being controlled for entire temperature range, it selects local temperature section relatively to save with respect to power consumption, making for battery can be improved
Meet relatively energy-efficient requirement again simultaneously with the service life.
The aperture of temperature damper position is stated with the gear of temperature adjustment knob below, wherein the gear of temperature adjustment knob is in this reality
It applies and shares 0-15 grades in example, wherein represent the relatively low gear of leaving air temp for 1-5 grades, it is opposite that 9-15 gear represents leaving air temp
Higher gear.Primary heater is set in the present embodiment to start to work from 2 grades or more, and is added in 0,1,2 several gears first
Hot device does not work, i.e., simple refrigeration mode；Air conditioning control device judges temperature adjustment knob when compressor is opened in this way
Whether it is greater than 2 grades, then according to the gear of temperature adjustment knob, judges the power for determining primary heater；Here it is described herein
Control primary heater under working conditions of compressor；Correspondingly, air conditioning control device is also when compressor is closed
First judge whether to be greater than 2 grades, is then equal to 6 grades from less than 6 grades again, the position of temperature adjustment knob is sentenced until being greater than 6 grades
It is disconnected, and according to the gear of temperature adjustment knob, judge the power for determining primary heater.In addition, the primary heater in the present embodiment
For low pressure ptc heater.For convenience of description, the low pressure PTC in the present embodiment also uses 1,2,3 three gear to indicate it
Different power, herein not as the limitation to the present embodiment, and actually primary heater can have more gears, temperature
The gear for spending knob judges the power for determining primary heater.
As shown in figure 4, specific control method the following steps are included:
Step S1031 starts；
Step S1032 obtains temperature adjustment knob gear value, compressor opens the relevant informations such as request signal；
Step S1033, judges whether compressor is opened, if so, thening follow the steps S1034, otherwise, executes step
S10392；
Step S1034, judges whether temperature adjustment knob gear is greater than 2, if so, thening follow the steps S1035, otherwise, executes step
Rapid S1036；
Step S1035, judges whether temperature adjustment knob gear is greater than 3, if so, thening follow the steps S1037, otherwise, executes step
Rapid S1038；
Step S1036, low pressure PTC are in close state, and do not start work；
Step S1037, judges whether temperature adjustment knob gear is greater than 5, if so, thening follow the steps S1039, otherwise, executes step
Rapid S10391；
Step S1038, low pressure ptc heater open 1 grade；
Step S1039, low pressure ptc heater open 3 grades；
Step S10391, low pressure ptc heater open 2 grades；
Step S10392, judges whether temperature adjustment knob gear is greater than 2, if so, thening follow the steps S10393, otherwise, executes
Step S10394；
Step S10393 judges that temperature adjustment knob gear whether less than 6, if so, thening follow the steps S10395, otherwise, executes
Step S10396；
Step S10394, low pressure PTC are in close state, and do not start work；
Step S10395, low pressure ptc heater open 1 grade；
Step S10396, judges whether temperature adjustment knob is equal to 6, if so, thening follow the steps S10397, otherwise, executes step
S10398；
Step S10397, low pressure ptc heater open 2 grades；
Step S10398, low pressure ptc heater open 3 grades.
It should be understood that air conditioning control device differentiation compressor two kinds of situations of opening and closing add to first in the present embodiment
Hot device is controlled, and is conducive to more effectively control primary heater.
In addition, air conditioning control device can also control to adjust the power of secondary heater, specifically, whether compressor is judged
It has been turned on, if so, determining evaporator surface target temperature, root according to vehicle external environment temperature signal and temperature damper opening amount signal
Heater cores heat exchange stream is determined according to the vehicle external environment temperature signal, temperature damper opening amount signal and evaporator surface target temperature
The target temperature of body medium, by comparing the target temperature and current actual temperature of heater cores heat exchanging fluid medium, control the
The consumption power of two heaters；Otherwise, according to the ambient temperature signal of acquisition and temperature damper opening amount signal, heater cores are determined
The target temperature of heat exchanging fluid medium, by comparing the target temperature and current actual temperature of heater cores heat exchanging fluid medium,
Control the consumption power of secondary heater.It can be seen that the present embodiment obtains vehicle external environment temperature parameter, evaporator surface mesh
The temperature parameter of mark temperature and heat exchanging fluid medium effectively controls the power of secondary heater, makes secondary heater with lower
Power work, reduce energy consumption.It is illustrated with reference to the accompanying drawing, with reference to Fig. 5, which is that is controlled in the present embodiment
The flow diagram of two heaters；
It should be noted that in the present embodiment, the gear of temperature damper aperture temperature adjustment knob is indicated, evaporator surface mesh
Mark temperature indicates that the target temperature of heater cores heat exchanging fluid medium is indicated with Coolant_Des, heats with EAT_Des
The current actual temperature of heat exchanging fluid medium is indicated with Coolant_Actual, in addition, being added with secondary heater using high pressure PTC
It is illustrated for hot device, but not as the limitation to the present embodiment.
As shown in figure 5, control process includes the following steps:
Step s1051 starts；
Step s1052 obtains the gear value and compressor request signal of vehicle external environment temperature information, temperature adjustment knob；
Step s1053, judges whether compressor is opened, if so, executing step s1054, otherwise, executes step s10591；
Step s1054 determines the target temperature of evaporator surface according to ambient temperature value, temperature adjustment knob gear value；
Step s1055 is determined warm according to the target temperature of ambient temperature value, temperature adjustment knob gear value and evaporator surface
The target temperature of wind core heat exchanging fluid medium；
Step s1056 obtains the current actual temperature of heater cores heat exchanging fluid medium；
Whether step s1057, the target temperature for comparing heater cores heat exchanging fluid medium are greater than heater cores heat exchanging fluid
Otherwise the current actual temperature of medium, executes step s1059 if so, thening follow the steps s1058；
Step s1058, control high pressure PTC increase gear, i.e. air conditioning control device instruction high pressure ptc heater increases function
Rate, and return step s1052；
Step s1059, control high pressure PTC reduce gear, i.e. air conditioning control device instruction high pressure ptc heater reduces function
Rate, and return step s1052；
Step s10591 determines heater cores fluid temperature (F.T.), i.e. heat exchange stream according to ambient temperature value, temperature adjustment knob gear value
The target temperature of body medium, and execute step s1056.
In addition, can also be controlled compressor in above-mentioned control method, thus by the revolving speed that controls compressor come
The temperature for controlling evaporator surface adjusts evaporator surface temperature with vehicle external environment real-time perfoming, and keeps compression
Machine is worked with lower power, reduces power consumption.Specifically, air conditioning control device obtains vehicle external environment temperature letter first
Breath；Then the target temperature of evaporator surface is determined according to the environment temperature and damper positions information, and by evaporator surface
Target temperature be compared judgement with current actual temperature after, the revolving speed of compressor is adjusted, so that evaporator surface is current
Actual temperature is consistent with target temperature.It is illustrated with reference to the accompanying drawing, with reference to Fig. 6, which is to control in control method embodiment
The flow diagram of compressor processed.
It should be noted that evaporator surface temperature is indicated in the present embodiment with EAT, the target temperature of evaporator surface with
EAT_Des indicates that actual value is indicated evaporator surface temperature instantly with EAT_Actual.
Step s1041 starts；
Step s1042 obtains ambient temperature value, temperature adjustment knob gear value；
Step s1043 determines the target value EAT_Des of EAT；
Step s1044 obtains the current actual value EAT_Actual of EAT temperature sensor；
Whether the target value EAT_Des of step s1045, multilevel iudge EAT are less than current actual value
Otherwise EAT_Actual, executes step 1047 if so, thening follow the steps 1046；
Step s1046 controls compressor rotary speed, increase its revolution, and return step S1042；
Step s1047 controls compressor rotary speed, declines its revolution, and return step s1042.
The present embodiment can adjust the revolving speed of compressor by ratio, integral, differential (PID) closed-loop control, to make it
Revolution rises or falls.In addition step s1044 can also be carried out before step s1042 and step s1043, can also be with step
S1042, step s1043 are synchronous to carry out.
In conclusion the embodiment of above-mentioned control method, may be set in heating capacity it is relatively small when, control first
Heater (low-pressure heater) directly heats the air in air duct, and it is right to be started without secondary heater (high-pressure heater)
Heat exchanging fluid medium is heated, and the energy has been saved, and reduces the power consumption of whole system.When heating capacity requires relatively high,
Start primary heater and secondary heater simultaneously, directly air is heated in air duct by primary heater, less heat
The loss of exchange reduces the power consumption of secondary heater due to there is the heating of the auxiliary of primary heater.In addition in high-temperature heating
When, it can also have the function that demisting by starting compressor.Under the mode of refrigeration, air conditioning control device passes through control the
One heater suitably heats air in air duct, and the cold wind for coming out air outlet becomes soft, improves the comfort level of user.
The wind-warm syndrome of electric car air outlet in this way is from being most as cold as the most hot requirement that certain range can be selected to reach Linear Control.
All or part of the steps in the various methods of above-described embodiment is can be by the way that program instruction to be written or store
In relevant hardware come what is completed, which be can be stored in a computer readable storage medium, and storage medium may include:
Read-only memory (ROM), random access memory (RAM), disk or CD etc..
Illustrate other embodiments with reference to the accompanying drawing, with reference to Fig. 7, which is a kind of showing for connection type of control device
It is intended to.Control device includes: acquisition unit 111, control unit 112；
The acquisition of signal acquisition unit 111 receives required corresponding signal, which includes temperature damper opening amount signal；So
The temperature damper aperture that control unit 112 is acquired according to acquisition unit 111 afterwards, judges whether the primary heater adds first
The operation interval of hot device, if it is, control primary heater heats the air in air duct according to preset power, institute
The predetermined power for the primary heater stated temperature damper aperture corresponding with temperature adjustment knob is adapted；The work of the primary heater
Make one section of aperture section that section corresponds in temperature damper aperture section, this section of aperture area in temperature damper aperture section
In, primary heater works by predetermined power.
It should be understood that the temperature damper aperture in embodiment is 0%~100% this complete section comprising system
Cold aperture section, heat aperture section and some sections can be carried out according to temperature damper and environment temperature judgement be refrigeration or
Heating, the present embodiment are also preset with the operation interval of primary heater, the operation interval and air outlet wind-warm syndrome of the primary heater
It is consistent, can be set according to the needs of users with the section of the aperture approach linear distribution of temperature damper.Accordingly
Primary heater work when consume power setting be also it is corresponding according to the aperture of temperature damper, to realize outlet air one's intention as revealed in what one says
Wen Suiwen approaches linear distribution to the aperture of air door.
With reference to Fig. 8, which is the control device schematic diagram that another embodiment provides.In addition to being adopted including signal in the present embodiment
Collect except unit 111 and control unit 112, control device further includes primary heater control unit 113, secondary heater control
Unit 114 and compressor control unit 115.
Wherein, primary heater control unit 113 first determines whether compressor is opened, if so, current in confirmation
After temperature damper aperture belongs to the operation interval of default primary heater, control what the primary heater was opened in compressor
Under operating condition, the air in air duct is heated according to preset consumption power, otherwise, is then confirming current damper positions shelves
After position belongs to the operation interval of default primary heater, in a heating mode, according to the consumption function of preset primary heater
Rate heats the air in air duct.
Secondary heater control unit 114 first determines whether compressor has been turned on, if so, according to acquisition unit 111
The ambient temperature signal and temperature damper opening amount signal of acquisition determine evaporator surface target temperature, according to the vehicle external environment temperature
Degree signal, temperature damper opening amount signal and evaporator surface target temperature determine the target temperature of heater cores heat exchanging fluid medium
Degree controls secondary heater by comparing the target temperature and current actual temperature for heating heater cores heat exchanging fluid medium
Consume power；Otherwise, the ambient temperature signal and temperature damper opening amount signal acquired according to acquisition unit 111, determines warm wind core
The target temperature of body heat exchanging fluid medium, target temperature and currently practical temperature by comparing heats heat exchanging fluid medium
Degree, controls the consumption power of secondary heater.
The vehicle external environment temperature signal and temperature damper aperture that compressor control unit 115 is acquired according to acquisition unit 111
Signal determines the target temperature of evaporator surface, and the target temperature of evaporator surface is compared with current actual temperature and is sentenced
It has no progeny, adjusts the revolving speed of compressor, so that the current actual temperature of evaporator surface is consistent with target temperature.
It should be understood that above embodiments are merely to illustrate the present invention and not limit technical side described in the invention
Case, although this specification is described in detail referring to the above embodiments, those skilled in the art should
Understanding, person of ordinary skill in the field still can be modified or replaced equivalently above embodiment, and all
The technical solution and its improvement for not departing from the spirit and scope of the present invention, should all be included within the scope of protection of the present invention.
Claims (10)
1. a kind of automobile air-conditioner control method, the air-conditioning system includes compressor, evaporator, condenser, primary heater, people
Machine interactive device, air conditioning control device, the evaporator, primary heater are set in air duct, which is characterized in that described man-machine
Interactive device includes temperature adjustment knob, compressor open-close on-off, and the control method includes the following steps:
The air conditioning control device receives or acquisition signal, and the signal includes temperature damper opening amount signal；
The air conditioning control device is preset with the operation interval of primary heater；The operation interval of the primary heater corresponds to
One section of aperture section in temperature damper aperture section, in this section of aperture section in temperature damper aperture section, first plus
Hot device works by predetermined power；
Whether the air conditioning control device judges the primary heater in primary heater according to the signal for receiving or acquiring
Operation interval, if it is, control primary heater heats the air in air duct according to preset power, described the
The predetermined power of one heater temperature damper aperture corresponding with temperature adjustment knob is adapted.
2. automobile air-conditioner control method as described in claim 1, which is characterized in that the signal of the acquisition includes compressor
Open request signal, temperature damper opening amount signal and temperature signal；The control method further include:
The target temperature of evaporator surface is determined according to the ambient temperature signal of acquisition and temperature damper opening amount signal, and will evaporation
After the target temperature on device surface is compared judgement with current actual temperature, the revolving speed of compressor is adjusted, so that evaporator surface
Current actual temperature it is consistent with target temperature.
3. automobile air-conditioner control method as described in claim 1, which is characterized in that described in the step of the acquisition signal
Signal further include: ambient temperature signal, the temperature signal of current heat exchanging fluid medium；The automobile air-conditioner control method is also wrapped
It includes:
Judge whether compressor has been turned on, is steamed if so, being determined according to vehicle external environment temperature signal and temperature damper opening amount signal
After sending out device superficial objects temperature, according to the vehicle external environment temperature signal, temperature damper opening amount signal and evaporator surface target
Temperature determines the target temperature of heater cores heat exchanging fluid medium, by comparing the target temperature of heats heat exchanging fluid medium
And current actual temperature, control the power of secondary heater；Otherwise, according to the ambient temperature signal of acquisition and temperature damper aperture
Signal determines the target temperature of heater cores heat exchanging fluid medium, by comparing the target temperature of heats heat exchanging fluid medium
Degree and current actual temperature, control the power of secondary heater.
4. automobile air-conditioner control method as claimed in any one of claims 1-3, which is characterized in that it is described reception or acquisition
Signal further includes that compressor opens request signal；The air conditioning control device judges described the according to receiving or the signal of acquisition
One heater whether primary heater operation interval, if it is, control primary heater according to preset power to wind
The step of air in road is heated, specifically includes:
Judge whether compressor is opened, if so, belonging to preset primary heater in the current temperature damper aperture of confirmation
Operation interval after, the primary heater is controlled under the operating condition that compressor is opened, according to preset power in air duct
Air is heated, and otherwise, then the operation interval of preset primary heater is belonged in the current damper positions gear of confirmation
Afterwards, in a heating mode, the air in air duct is heated according to the power of preset primary heater.
5. a kind of automobile air conditioning control device, which is characterized in that the automobile air conditioning control device includes:
Signal receives or acquisition unit, receives or acquire signal, the signal includes temperature damper opening amount signal；
The air conditioning control device is preset with the operation interval of primary heater；
Whether control unit judges the primary heater in the workspace of primary heater according to the signal for receiving or acquiring
Between, if it is, control primary heater heats the air in air duct according to preset power, first heating
The predetermined power of device temperature damper aperture corresponding with temperature adjustment knob is adapted；The operation interval of the primary heater corresponds to
One section of aperture section in temperature damper aperture section, in this section of aperture section in temperature damper aperture section, first plus
Hot device works by predetermined power.
6. automobile air conditioning control device as claimed in claim 5, which is characterized in that the signal of the acquisition signal element acquisition
It further include that compressor opens request signal, temperature damper opening amount signal and vehicle external environment temperature signal；
Described control unit further include:
Compressor control unit determines evaporator surface according to the vehicle external environment temperature of acquisition unit acquisition and temperature damper aperture
Target temperature, and after the target temperature of evaporator surface is compared judgement with current actual temperature, adjust compressor
Revolving speed, so that the current actual temperature of evaporator surface is consistent with target temperature.
7. automobile air conditioning control device as claimed in claim 5, which is characterized in that the signal of the acquisition unit acquisition also wraps
It includes: ambient temperature signal, the temperature signal of current heat exchanging fluid medium；
Described control unit further include:
Secondary heater control unit, judges whether compressor has been turned on, if so, according to vehicle external environment temperature signal and temperature
After throttle opening signal determines evaporator surface target temperature, believed according to the vehicle external environment temperature signal, temperature damper aperture
Number and evaporator surface target temperature determine the target temperature of heater cores heat exchanging fluid medium, exchange heat by comparing heats
The target temperature and current actual temperature of fluid media (medium) control the consumption power of secondary heater；Otherwise, according to the environment of acquisition
Temperature information and temperature damper opening information, determine the target temperature of heater cores heat exchanging fluid medium, by comparing heating core
The target temperature and current actual temperature of body heat exchanging fluid medium control the consumption power of secondary heater.
8. the automobile air conditioning control device as described in any one of claim 6-7, which is characterized in that described control unit is also wrapped
It includes:
Primary heater control unit, judges whether compressor is opened, if so, confirming current temperature damper aperture ownership
After the operation interval of default primary heater, the primary heater is controlled under the operating condition that compressor is opened, according to default
Power the air in air duct is heated, otherwise, then confirm current damper positions gear belong to default first plus
After the operation interval of hot device, in a heating mode, the air in air duct is added according to the power of preset primary heater
Heat.
9. a kind of automotive air-conditioning system, including, air conditioning control device and primary heater and human-computer interaction device；It is described man-machine
Interactive device is electrically connected with the air conditioning control device or automotive controls；The air-conditioning system has refrigerating circuit,
The refrigerating circuit includes compressor, evaporator, expansion valve and condenser；The evaporator is arranged in air duct, the pressure
Contracting machine is electrically connected with the air conditioning control device；It is characterized in that, the air-conditioning system has heating circuit, the heating circuit
Including heating pump, heater cores and secondary heater, the heater cores are arranged in air duct, the secondary heater with
Air conditioning control device electrical connection；The primary heater is arranged in air duct, is electrically connected with the air conditioning control device；
For the air conditioning control device according to the signal acquired from the human-computer interaction device, the signal includes opening for temperature damper
Degree, judge the primary heater whether primary heater operation interval, if it is, control primary heater according to pre-
If power the air in air duct is heated, the predetermined power of primary heater temperature corresponding with temperature adjustment knob
Throttle opening is adapted；The operation interval of the primary heater corresponds to the area Duan Kaidu in temperature damper aperture section
Between, in this section of aperture section in temperature damper aperture section, primary heater works by predetermined power.
10. automotive air-conditioning system as claimed in claim 9, which is characterized in that the air conditioning control device is claim 6-8
Any one of described in air conditioning control device.
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| CN201510487093.XA CN106427460B (en) | 2015-08-10 | 2015-08-10 | A kind of automobile air-conditioner control method, device and automotive air-conditioning system |
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| CN201510487093.XA CN106427460B (en) | 2015-08-10 | 2015-08-10 | A kind of automobile air-conditioner control method, device and automotive air-conditioning system |
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| US10486495B2 (en) * | 2017-06-16 | 2019-11-26 | Ford Global Technologies, Llc | Method and system to manage vehicle thermal conditions |
| CN108016238B (en) * | 2017-11-28 | 2021-06-25 | 江西昌河汽车有限责任公司 | Air conditioner control method, controller, control system and readable storage medium |
| CN108656895A (en) * | 2018-04-28 | 2018-10-16 | 奇瑞汽车股份有限公司 | Electric automobile air conditioner adjusting method |
| CN109109619B (en) * | 2018-07-09 | 2021-06-18 | 北汽福田汽车股份有限公司 | Control method and device of electric air conditioner, storage medium and air conditioner controller |
| CN109017215B (en) * | 2018-07-26 | 2021-08-20 | 延锋伟世通电子科技（南京）有限公司 | PID + FF feedforward closed-loop control method based on PTC of pure electric vehicle |
| CN109435624A (en) * | 2018-10-24 | 2019-03-08 | 大乘汽车有限公司 | A kind of just outlet air of new-energy automotive air-conditioning system improves device and its control method |
| CN109435625A (en) * | 2018-10-24 | 2019-03-08 | 大乘汽车有限公司 | A kind of on-board air conditioner just air-out mode control device and its control method |
| CN109606062A (en) * | 2018-12-20 | 2019-04-12 | 浙江合众新能源汽车有限公司 | A kind of energy-efficient dual temperature area automatic air condition and its working method |
| CN109808445B (en) * | 2019-01-10 | 2022-05-03 | 奇瑞汽车股份有限公司 | Compressor rotating speed control method of vehicle-mounted air conditioner |
| CN109649122B (en) * | 2019-01-30 | 2024-07-19 | 广州小鹏汽车科技有限公司 | Temperature regulating system for electric automobile and control method |
| CN110422028B (en) * | 2019-07-31 | 2024-06-25 | 上海马勒热系统有限公司 | Heat pump air conditioner with defrosting function for electric automobile |
| CN110949096A (en) * | 2019-10-30 | 2020-04-03 | 江铃汽车股份有限公司 | Method and system for controlling rotating speed of automobile air conditioner compressor |
| CN111516456B (en) * | 2020-04-29 | 2021-10-08 | 江铃汽车股份有限公司 | Air door control method and system, storage medium and automobile |
| CN112590492B (en) * | 2020-12-17 | 2022-04-19 | 德州锦城电装股份有限公司 | Electric system for linkage of automobile air conditioner heating and seat heating |
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| CN114228440B (en) * | 2021-12-31 | 2024-05-14 | 北汽瑞翔汽车有限公司 | Manual air conditioning system control method based on self-adaptive adjustment |
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Effective date of registration: 20210709 Address after: 312500 xialiquan village, Qixing street, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: SANHUA HOLDING GROUP Co.,Ltd. Address before: 310018 no.289-2, No.12 street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: Hangzhou Sanhua Research Institute Co.,Ltd. |