CN106394175A - Compressor control system of manual air conditioner for electromobile - Google Patents
Compressor control system of manual air conditioner for electromobile Download PDFInfo
- Publication number
- CN106394175A CN106394175A CN201610897995.5A CN201610897995A CN106394175A CN 106394175 A CN106394175 A CN 106394175A CN 201610897995 A CN201610897995 A CN 201610897995A CN 106394175 A CN106394175 A CN 106394175A
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- Prior art keywords
- compressor
- module
- compressor control
- control system
- microprocessor
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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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
-
- 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
- B60H1/32—Cooling devices
- B60H2001/3236—Cooling devices information from a variable is obtained
- B60H2001/3255—Cooling devices information from a variable is obtained related to temperature
-
- 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
- B60H1/32—Cooling devices
- B60H2001/3269—Cooling devices output of a control signal
- B60H2001/327—Cooling devices output of a control signal related to a compressing unit
- B60H2001/3272—Cooling devices output of a control signal related to a compressing unit to control the revolving speed of a compressor
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- 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)
Abstract
The invention provides a compressor control system of a manual air conditioner for an electromobile. The compressor control system comprises a compressor control module, a vehicle control unit, a compressor driving module and an electrically driven compressor; the compressor control module comprises a microporocessor, a CAN transceiver, a power supply module and an interface circuit; and the microporocessor of the compressor control module adjusts a real-time appropriate rotating speed of the electrically driven compressor according to an air volume gear signal value, a mixed gas concentration value and a passenger compartment temperature value. According to the compressor control system, an appropriate running speed of the electrically driven compressor is obtained through formula computing according to different temperatures of a passenger compartment, and mixed gas concentration and air volume that are controlled by a driver; the control of the compressor control system is simple and effective; the comfort level of a passenger is improved; and the energy conservation effect is achieved.
Description
Technical field
Patent of the present invention is related to the refrigeration system the present invention relates to electric automobile, particular for the control of motor compressor,
It is mainly used in the control of the refrigeration system of manual air conditioner of electric car.
Background technology
In electric automobile, the key components and partss compressor of air conditioner of refrigeration system is usually driven type.Electronic pressure
Contracting machine is high power device in electric automobile, in the case that electric automobile course continuation mileage is generally low, how to make electronic
Compressor has been worked into an important topic in the way of energy-conservation.At present, the motor compressor of on-board air conditioner is mostly with highest
Rotation speed operation, is run with minimum speed after crew module reaches suitable temperature again.Motor compressor under which controls consumes energy
Height, and because compressor rotary speed changes the vibration bringing suddenly and sound variation, the comfortableness of impact crew module.
Content of the invention
It is an object of the invention to provide a kind of comfortableness not affecting crew module can reach the electric automobile of energy-saving effect again
Compressor control system with manual air conditioner.
For reaching above-mentioned purpose, technical solution of the present invention is as follows：A kind of compressor control of manual air conditioner used for electric vehicle
System, including compressor control module, entire car controller, driven compressor module, motor compressor.Described compressor control mould
Block is electrically connected with described entire car controller, driven compressor intermodule；Described driven compressor module and described full-vehicle control
It is electrically connected between device, motor compressor；Described compressor control module and the A/C on the vehicle air conditioning control panel of automobile open
The evaporator temperature sensor of pass, air quantity driving switch, mixed gas concentration driving switch, and automotive interior, crew module's temperature
It is electrically connected between degree sensor.Described compressor control module includes microprocessor, CAN transceiver, power module, interface electricity
Road.It is dual pathways string that described compressor control module and described entire car controller, driven compressor intermodule are electrically connected with mode
The CAN of line interface；Described CAN transceiver is arranged at described compressor control module and described entire car controller, compressor
On circuit between drive module.Described interface circuit is connected on described microprocessor and the vehicle air conditioning control panel of automobile
The evaporator temperature sensor of A/C switch, air quantity driving switch, mixed gas concentration driving switch, and automotive interior, occupant
Between the temperature sensor of cabin；Described microprocessor is according to air quantity gear signal numerical value, mixed gas concentration numerical value, crew module's temperature value
Adjust the real-time optimum speed of described motor compressor；Above-mentioned air quantity gear signal numerical value, mixed gas concentration numerical value, crew module
Temperature value becomes positive corresponding relation with the real-time optimum speed of described motor compressor.
Further, described microprocessor carries A/D change data interface, and crew module's temperature signal is rounded downwards conversion
For digital value；The 1 of air quantity gear, 2,3,4 this four gear signal are converted to 1,2,3,4 this four numerical value；By mixed gas
Five level signal of concentration scale a, b, c, d, e are converted to 5,4,3,2,1 this five numerical value.
Further, described microprocessor adopts STM32F407 chip.
Further, described high-speed CAN transceiver adopts TJA1042T
Further, described microprocessor, CAN transceiver, interface circuit are powered by described power module.
Further, described microprocessor is externally connected to clock circuit.
Actual gain：The present invention is according to crew module's different temperatures, the mixed gas concentration of driver's control and air force
The suitable rotating speed that compressor should run is calculated by formula, it controls simply effectively, and because the rotation speed change of compressor
Linearly without bringing vibration and mutation acoustically, energy-saving effect can be reached；Solve the motor compressor work of on-board air conditioner
Operated with maximum speed when making, again with the power consumption of minimum speed operation and comfort level problem after crew module reaches suitable temperature.
Brief description：
Fig. 1 present configuration block diagram；
Fig. 2 is in the present invention, the chip used node diagram of microprocessor；
Fig. 3 is in the present invention, and microprocessor is connected circuit with the CAN communication of entire car controller and driven compressor intermodule
Figure；
Specific embodiment
A kind of compressor control system of manual air conditioner used for electric vehicle as shown in Figure 1, including compressor control module
1st, entire car controller 2, driven compressor module 3, motor compressor 4.Compressor control module 1 and entire car controller 2, compressor
It is electrically connected between drive module 3；Electric connection side between compressor control module 1 and entire car controller 2, driven compressor module 3
Formula is the CAN of dual pathways serial line interface.Electrically connect between driven compressor module 3 and entire car controller 2, motor compressor 4
Connect, the biphase unidirectional current of electrokinetic cell is converted to the three-phase alternating current being available for that motor compressor 4 works by driven compressor module 3
Electricity, is compressed to the refrigerant in air-conditioning system pipeline under the driving of driven compressor module 3.Compressor control module
1 with the vehicle air conditioning control panel of automobile on A/C switch, air quantity driving switch, mixed gas concentration driving switch, and vapour
It is electrically connected between the evaporator temperature sensor in in-car portion, crew module's temperature sensor.Entire car controller 2 is to control electric automobile
Car load network system control device；Driven compressor module 3 the biphase unidirectional current of electrokinetic cell is converted to be available for electronic
The three-phase alternating current of compressor 4 work, and the refrigerant in air-conditioning system pipeline is compressed.
Compressor control module 1 includes microprocessor 11, CAN transceiver 12, power module 13, interface circuit 14.Micro- place
Reason device 11 is the core of compressor control module 1, and microprocessor 11 carries A/D change data interface, to compressor control module 1
Various data processed.CAN transceiver 12 is arranged at compressor control module 1 and entire car controller 2, driven compressor mould
On circuit between block 3, line number is entered to the CAN communication between compressor control module 1 and entire car controller 2, driven compressor module 3
According to reception and transmission.The A/C that interface circuit 14 is connected on microprocessor 11 and the vehicle air conditioning control panel of automobile switchs, wind
Measure evaporator temperature sensor, crew module's temperature sensing of driving switch, mixed gas concentration driving switch, and automotive interior
Between device, interface circuit 14 receives A/C switch, air quantity driving switch, mixed gas concentration driving switch, and the steaming of automotive interior
Send out the analogue signal that device temperature sensor, crew module's temperature sensing send, and it is amplified, Filtering Processing, then transfer to
In microprocessor 11, the A/D translation function of band, converts analog signals into digital signal, is processed by microprocessor 11.Microprocessor
Device 11 controls compressor control module 1 according to temperature conditionss in quantity switch of air variable, mixed gas concentration variable, crew module
Work, compressor control module 1 controls the rotating speed of motor compressor 4 work according to the signal processing situation of microprocessor 11,
So that temperature reaches the comfortable temperature of driver and crew in crew module.In embodiments of the invention, quantity switch of air is divided into 1,2,3,4
Four gears, the magnitude relationship of air quantity is 4 grades of 1 grade of ＜, 3 grades of ＜ of 2 grades of ＜.Mixed gas concentration list refers to the mixed gas of chill surface
Concentration, concentration scale is divided into five grades of a, b, c, d, e, and the more big then refrigeration of mixed gas concentration is weaker.Mixed gas are dense
Degree magnitude relationship is a ＜ b ＜ c ＜ d ＜ e, but its refrigeration is a ＞ b ＞ c ＞ d ＞ e.Evaporator temperature signal is collection
The temperature value of vaporizer in vehicle air conditioning refrigeration system.In crew module, temperature signal is by the instrument platen in crew module
Temperature sensor collection.
In the present embodiment, microprocessor 11 adopt STM32F407 chip, chip node diagram as shown in Fig. 2 wherein, BKGD
It is single line background debugging mode pin, for receiving and sending background debugging instruction；RESET is target machine reset pin；GND is
Grounding pin.Supply node VDDM1, VSSM1, VDDM2, VSSM2, VDDX1, VSSX1, VDDF, VSS1, VDDR, VSS3,
VDDA, VSSA, VDD, VSS2, VDDX2, VSSX2 are connected with power module 13, provide the number of 5v for components and parts each in microprocessor
Word power supply.It is connected with electric capacity between each group supply node, make the digital power that power module 13 provides reliable and stable.Interface circuit 14
It is connected to A/C switching signal, air quantity gear signal, mixed gas concentration signal, evaporator temperature signal, crew module's temperature signal
And between five I/O mouths of the PAD05 to PAD09 of TM32F407 chip, interface circuit 14 is powered by the analog power of power module 13.
The signals collecting of microprocessor 11 has the time cycle, and nodes X TAL, EXTAL of STM32F407 chip is externally connected with clock circuit,
It is parallel with agitator between the circuit that nodes X TAL, EXTAL connects.
The connection circuit of compressor control module 1 and entire car controller 2 and driven compressor module 3 as shown in figure 3,
STM32F407 chip pin KWR3, KWS2, KWS3 are connected with STB, RXD, TXD node of CAN transceiver 12 respectively, and CAN receives and dispatches
CAN_H, CAN_L node of device 12 is connected with entire car controller 2 and driven compressor module 3 respectively.In the present embodiment, CAN receives
The chip sending out device 12 employing is TJA1042T.
When vehicle is in ON shelves state, microprocessor 11 needs to gather A/C switching signal, air quantity gear signal, gaseous mixture
The motor compressor 4 that bulk concentration signal, evaporator temperature value signal, the temperature signal of crew module and entire car controller 2 send
Whether can working signal.In the present embodiment, the microprocessor 11 collection signal period is 2 seconds, in signal acquisition periods, when micro- place
Reason device 11 detects the ON signal of A/C switch, any gear signal in 1,2,3,4 grades of air quantity gear, refrigeration area mixed gas
The electronic pressure that any gear signal in concentration a, b, c, d, e, evaporator temperature values are more than 1.5 DEG C and entire car controller 2 sends
Contracting machine 4 can be after working signal, further according to detected air quantity gear, mixed gas concentration gear and current crew module's temperature value
Three phase values carry out calculating the optimum speed value of motor compressor 4 according to the following formula.Rotating speed computing formula is：
Rx=C1*Rmax*X+C2*Rmax*Y+C3*Rmax*Z+A
In examination, Rx be calculate after the tachometer value that currently need to operate of the motor compressor 4 that draws；Rmax is motor compressor 4
Maximum running speed value, its value determines by the performance of motor compressor 4, different motor compressor 4 transport maximum speed
Span is different；X be air quantity gear value, 1 gear number value be 1,2 gear number values be 2,3 gear number values be 3,4 gear number values be 4；Y
For mixed gas concentration numerical value, a gear number value be 5, b gear number value be 4, c gear number value be 3, d gear number value be 2, e gear number value be 1；Z is
Crew module's temperature value, reads sensor measured value and rounds downwards, and such as 18.23 values are 18,18.95 values is also 18；A is one
Individual constant；C1Weight coefficient for air quantity gear value；C2Weight coefficient for mixed gas concentration numerical value；C3For crew module's temperature
The weight coefficient of value.Real-time due to air quantity gear value, mixed gas concentration numerical value, crew module's temperature value and motor compressor 4
Optimum speed becomes positive corresponding relation, constant with air quantity gear value, and measurement mixed gas concentration numerical value value is in 1 to 5, different occupant
The rotating speed of the suitable motor compressor 4 in the case of the temperature value of cabin, to push away to obtain C1、C2、C3, the value of constant A.
Below table measures in different air quantity gear value, mixed gas concentration numerical value, crew module's temperature for the embodiment of the present invention
Motor compressor 4 in the case of angle value is suitable for tachometer value：
By upper table experimental data, estimate C1、C2Value is 0.02, C3Value is 0.03, A value is -0.21Rmax.
In the embodiment of the present invention, the real-time rotating speed of motor compressor 4 except according in addition to above-mentioned formula and table match it is also necessary to
Meet following condition：
(1) when in the cabin that the microprocessor 11 of compressor control module 1 reads in a cycle temperature value differ greatly
In or when being equal to 3 DEG C, then driven compressor module 3 does not execute new rotating speed command, maintains former rotary speed working, if continuous 3 times
Differ by more than before and after temperature value in the cabin reading or be equal to 3 DEG C when, then motor compressor 4 with the rate reduction of 50r/s to
The slow-speed of revolution runs.
(2) when differing 720r/min before and after the tachometer value that compressor control module 1 sends, then motor compressor 4 does not stand
Execute new rotating speed command, but run to rotating speed of target with the speed of 50r/s.
(3) when the evaporator temperature values that the microprocessor 11 of compressor control module 1 measures are less than 1.5 DEG C, control electricity
Dynamic compressor 4 quits work, and when evaporator temperature values is hereafter detected more than or equal to 2.5 DEG C, starts electric compressor again
Machine 4 works.
(4) when compressor control module 1 receives motor compressor 4 downrating that entire car controller 2 sends, then control
Motor compressor processed 4 is by the Power operation that lowers the requirement.
(5) when the microprocessor 11 of compressor control module 1 detects A/C switch OFF signal, air quantity gear positioned at Off
Shelves, mixed gas concentration gear be located at refrigeration area, evaporator temperature values be less than 1.5 DEG C, entire car controller 2 send motor compressor
4 can not working signal, driven compressor module 3 send fault-signal, in CAN fault during any case, motor compressor 4
Quit work.
Microprocessor 11 is collecting air quantity gear signal, mixed gas concentration signal, the temperature signal of crew module, evaporation
After the signal that signal that device temperature value signal, A/C switching signal, entire car controller 2 send, driven compressor module 3 send, right
All signals are judged, if be discontented with to live in state restrictive condition, under the control of compressor control module 1, according to formula Rx
=C1*Rmax*X+C2*Rmax*Y+C3* Rmax*Z+A push away motor compressor 4 suitable rotational speed；Then, every 2 second time, right
All signals carry out Resurvey, and repeat the above steps are so that motor compressor 4 is in suitable rotating speed within the time cycle.
The technical scheme above inventive embodiments being provided is described in detail, specific case pair used herein
The principle of the embodiment of the present invention and embodiment are set forth, and the explanation of above example is only applicable to help and understands this
The principle of bright embodiment；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment
And all will change in range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (6)
1. a kind of compressor control system of manual air conditioner used for electric vehicle, including compressor control module (1), entire car controller
(2), driven compressor module (3), motor compressor (4), described compressor control module (1) and described entire car controller (2),
Electric connection between driven compressor module (3), described driven compressor module (3) and described entire car controller (2), electric compressor
It is electrically connected between machine (4), the A/C switch on the vehicle air conditioning control panel of described compressor control module (1) and automobile, air quantity
Driving switch, mixed gas concentration driving switch, and the evaporator temperature sensor of automotive interior, crew module's temperature sensor
Between be electrically connected with it is characterised in that：Described compressor control module (1) includes microprocessor (11), CAN transceiver (12), electricity
Source module (13), interface circuit (14)；Described compressor control module (1) and described entire car controller (2), driven compressor mould
It is electrically connected with the CAN that mode is dual pathways serial line interface, described CAN transceiver (12) is arranged at described compression between block (3)
On circuit between machine control module (1) and described entire car controller (2), driven compressor module (3)；Described interface circuit (14)
It is connected to A/C switch on the vehicle air conditioning control panel of described microprocessor (11) and automobile, air quantity driving switch, gaseous mixture
Between bulk concentration driving switch, and the evaporator temperature sensor of automotive interior, crew module's temperature sensor；Described microprocessor
(11) described motor compressor (4) is adjusted according to air quantity gear signal numerical value, mixed gas concentration numerical value, crew module's temperature value
Optimum speed in real time, above-mentioned air quantity gear signal numerical value, mixed gas concentration numerical value, crew module's temperature value and described electric compressor
The real-time optimum speed of machine (4) becomes positive corresponding relation.
2. a kind of manual air conditioner used for electric vehicle according to claim 1 compressor control system it is characterised in that：Institute
State microprocessor (11) and carry A/D change data interface, crew module's temperature signal is rounded downwards and is converted to digital value, by air quantity
The 1 of gear, 2,3,4 this four gear signal are converted to 1,2,3,4 this four numerical value, by mixed gas concentration grade a, b, c, d,
Five level signal of e are converted to 5,4,3,2,1 this five numerical value.
3. a kind of manual air conditioner used for electric vehicle according to claim 1 compressor control system it is characterised in that：Institute
State microprocessor (11) and adopt STM32F407 chip.
4. a kind of manual air conditioner used for electric vehicle according to claim 1 compressor control system it is characterised in that：Institute
State CAN transceiver (12) and adopt TJA1042T.
5. a kind of manual air conditioner used for electric vehicle according to claim 1 compressor control system it is characterised in that：Institute
State microprocessor (11), CAN transceiver (12), interface circuit (14) by described power module (13) power supply.
6. a kind of manual air conditioner used for electric vehicle according to claim 3 compressor control system it is characterised in that：Institute
State microprocessor (11) and be externally connected to clock circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610897995.5A CN106394175A (en) | 2016-10-14 | 2016-10-14 | Compressor control system of manual air conditioner for electromobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610897995.5A CN106394175A (en) | 2016-10-14 | 2016-10-14 | Compressor control system of manual air conditioner for electromobile |
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| CN106394175A true CN106394175A (en) | 2017-02-15 |
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| CN201610897995.5A Pending CN106394175A (en) | 2016-10-14 | 2016-10-14 | Compressor control system of manual air conditioner for electromobile |
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Cited By (3)
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| CN110486262A (en) * | 2019-08-23 | 2019-11-22 | 常州康普瑞汽车空调有限公司 | Compressor temperature controller, control system and method and automobile air conditioner compressor |
| CN113771584A (en) * | 2021-08-23 | 2021-12-10 | 武汉格罗夫氢能汽车有限公司 | Hydrogen energy automobile air conditioner control system and method based on discomfort index |
| CN114475140A (en) * | 2020-10-23 | 2022-05-13 | 上海海立电器有限公司 | Vehicle air conditioner driving system |
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| CN110486262A (en) * | 2019-08-23 | 2019-11-22 | 常州康普瑞汽车空调有限公司 | Compressor temperature controller, control system and method and automobile air conditioner compressor |
| CN114475140A (en) * | 2020-10-23 | 2022-05-13 | 上海海立电器有限公司 | Vehicle air conditioner driving system |
| CN113771584A (en) * | 2021-08-23 | 2021-12-10 | 武汉格罗夫氢能汽车有限公司 | Hydrogen energy automobile air conditioner control system and method based on discomfort index |
| CN113771584B (en) * | 2021-08-23 | 2023-10-27 | 武汉格罗夫氢能汽车有限公司 | Hydrogen energy automobile air conditioner control system and method based on uncomfortable index |
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Application publication date: 20170215 |