CN106828018A - Refrigeration unit control system and its control method based on CAN - Google Patents
Refrigeration unit control system and its control method based on CAN Download PDFInfo
- Publication number
- CN106828018A CN106828018A CN201710069859.1A CN201710069859A CN106828018A CN 106828018 A CN106828018 A CN 106828018A CN 201710069859 A CN201710069859 A CN 201710069859A CN 106828018 A CN106828018 A CN 106828018A
- Authority
- CN
- China
- Prior art keywords
- air
- control
- signal
- conditioner controller
- conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses refrigeration unit control system and its control method based on CAN, control system includes air-conditioner controller, by being controlled in CAN and the intelligence of air-conditioner controller two-way communication, the vehicle interior temperature sensor that output end is connected with the input controlled in intelligence, the evaporator temperature sensor and PTC temperature sensors being connected with the input of air-conditioner controller respectively, and the actuator being connected with the output end of air-conditioner controller.The present invention accomplishes integrated, instrument desk space is saved, to realize that logistic car remote monitoring lays the foundation；Two-way communication based on CAN, realizes car networking well, with more flexible controllability.Simple structure of the present invention, with practical value very high, is especially suitable for large-scale promotion and uses.
Description
Technical field
Refrigeration unit control system and its control method the present invention relates to be based on CAN.
Background technology
With the development of automotive engineering, the intelligent and networking of automobile has become the developing direction of automotive electronics, vapour
Car air-conditioning has also been increasingly introducing Electronic Control.For the car air-conditioner on electric automobile, due to being sent out without tradition
The belt wheel drive of motivation, typically all uses electric air-conditioning, and the mechanical connection with engine has been broken away from the rotation of its compressor, plus
Hot merit can typically use ptc heater, possess than traditional air conditioner without the waste gas residual heat for being limited by engine, i.e. electric air-conditioning
More preferable controllability.At the same time, control platform as the core of car networking, in intelligence makes more and more widely on automobile
With platform is controlled in these has giant-screen touch interface, and powerful can develop various application programs, constantly on platform
The function of platform is controlled in extension.The intelligentized control method that the technology of these two aspects develops into electric air-conditioning provides good premise bar
Part.
But most of electric air-conditioning still continues to use the control mode in traditional vehicle, i.e., using being integrated with unit allocation
The control panel of device, passengers inside the car are input into control signal by the button or knob on control panel, by controller input
Signal is sent to compressor, condenser and evaporator so as to realize the control to unit work.This mode is both without fully profit
With the more flexible controllability of electric product, the two-way communication of product and vehicle is not realized sufficiently, it is impossible to realize well
Car networking, and need that independent control panel is installed, it is excessive to take instrument desk space, increase integral vehicle cost.
The content of the invention
In order to overcome problem above, it is an object of the invention to provide the refrigeration unit control system based on CAN and its control
Method processed.
To achieve these goals, the technical solution adopted by the present invention is as follows：
Refrigeration unit control system based on CAN, including air-conditioner controller, it is two-way with air-conditioner controller by CAN
Controlled in the intelligence of communication, the vehicle interior temperature sensor that output end is connected with the input controlled in intelligence, respectively with air-conditioner controller
Input connection evaporator temperature sensor and PTC temperature sensors, and be connected with the output end of air-conditioner controller
Actuator.
Specifically, the actuator include be connected with the output end of air-conditioner controller respectively air blower, motor compressor,
Condensation fan, ptc heater, pattern damper motor, inner-outer circulating air door motor, changes in temperature damper motor.
Preferably, the main control chip of the air-conditioner controller uses Freescale MC9S08DZ60.The air-conditioner controller
Power supply chip select LM2940 power supply voltage stabilizing chips.
Further, control is provided with virtual air-conditioning panel in intelligence.
The control method of the refrigeration unit control system based on CAN, comprises the following steps：
Controlled in A1, intelligence and show virtual air-conditioning panel on the touchscreen, the touch input of user is received, by CAN
User is sent to air-conditioner controller to the control data of air-conditioning；
A2, air-conditioner controller read CAN signal and extract airconditioning control solicited message, while reading evaporator temperature sensing
Device and PTC temperature sensor informations；
A3, the control logic according to air-conditioner controller, drive the actuator of corresponding air-conditioning system to realize airconditioning control；
Or comprise the following steps：
B1, temperature needed for user's setting, control the signal for reading vehicle interior temperature sensor in intelligence, obtain current environment inside car
Temperature；
The difference according to current vehicle interior temperature and user's design temperature is controlled in B2, intelligence, is sent to air-conditioning by CAN
Demand for control；
B3, air-conditioner controller receive airconditioning control and are input into by CAN, and drive air-conditioning according to the requirement of control input
It is operated in and heats or refrigerating state accordingly；
Air-conditioner controller is also anti-in the form of air-conditioning feeds back CAN signal by CAN by current airconditioning control state
Controlled in intelligence of feeding.
The control logic controlled in the intelligence comprises the following steps：
S1, start-up operation；
S2, first determine whether manual/auto, step S3 is performed if manually, step S4 is performed if automatic；
S3, the virtual air-conditioning panel user input of reading, it is user input requirement to set airconditioning control signal, then performs step
Rapid S8；
S4, reading vehicle interior temperature signal, read user's temperature setting, then perform step S5；
S5, judge current vehicle interior temperature whether higher than user set, if then perform step S6, if otherwise performing step
S7；
S6, setting airconditioning control signal are refrigeration, and set cooling parameters；
S7, setting airconditioning control signal are to heat, and setting heats parameter；
S8, transmission airconditioning control CAN signal, then perform step S9；
S9, reception air-conditioning feedback CAN signal；
S10, circulation perform step S2-S9.
The control logic of the air-conditioner controller comprises the following steps：
L1, start-up operation；
L2, reception airconditioning control CAN signal；
L3, judge airconditioning control CAN signal whether effectively, if so, then perform step L4, if it is not, then return to step L2；
L4, by airconditioning control CAN signal requirement, control Actuator Of The Air Conditioner output；
L5, transmission air-conditioning feed back CAN signal, then circulation step L2-L5.
Specifically, the airconditioning control CAN signal and air-conditioning feedback CAN signal are single frames signal, and 8 are carried per frame signal
The data of individual byte.
Compared with prior art, the invention has the advantages that：
(1) present invention accomplishes integrated, instrument desk space is saved, to realize that logistic car remote monitoring lays the foundation.
(2) two-way communication of the present invention based on CAN, realizes car networking, with more flexible controllability well.
(3) simple structure of the present invention, with practical value very high, is especially suitable for large-scale promotion and uses.
Brief description of the drawings
Fig. 1 is the system block diagram of the present invention-embodiment.
Fig. 2 be the present invention-embodiment intelligence in control control logic flow chart.
Fig. 3 is the control logic flow chart of the air-conditioner controller of the present invention-embodiment.
Specific embodiment
With reference to embodiment and accompanying drawing, the invention will be further described, and embodiments of the present invention are included but is not limited to
The following example.
Embodiment
As Figure 1-3, the refrigeration unit control system based on CAN, including air-conditioner controller, it is two-way with air-conditioner controller
(virtual air-conditioning panel) is controlled in the intelligence of communication, the vehicle interior temperature sensor that output end is connected with the input controlled in intelligence, point
The evaporator temperature sensor and PTC temperature sensors not being connected with the input of air-conditioner controller, and and air-conditioner controller
Output end connection actuator.
In the present embodiment, the actuator includes the air blower, electronic being connected with the output end of air-conditioner controller respectively
Compressor, condensation fan, ptc heater, pattern damper motor, inner-outer circulating air door motor, changes in temperature damper motor.
In the present embodiment, automobile and engineering products of the selection based on Android system is controlled in intelligence.
The main control chip of air-conditioner controller uses Freescale MC9S08DZ60.The power supply chip of air-conditioner controller is selected
LM2940 power supply voltage stabilizing chips, can be the main control chip of air-conditioner controller by the 12V Power converts on car into 5V power supplys are stablized
Power supply.
Virtual air-conditioning panel is set in control in intelligence.
Air-conditioner controller is connected by CAN with being controlled in intelligence, is controlled in intelligence and show on the touchscreen virtual conditioned surface
Plate, and the touch input of user is received, the request by CAN by user to airconditioning control is sent to air-conditioner controller, empty
Controller is adjusted to read CAN signal and extract airconditioning control solicited message, with reference to the evaporator temperature sensor and PTC temperature that read
After sensor information, according to the control logic of air-conditioner controller, the actuator of corresponding air-conditioning system is driven to realize air-conditioning control
System, and control during current airconditioning control state is fed back into intelligence in the form of the air-conditioning feedback signal by CAN.
User except can by intelligence in addition to the virtual air-conditioning knob controlled on touch screen manually sets air-conditioning, can also be straight
Temperature required for connecing setting, the signal of vehicle interior temperature sensor is read by being controlled in intelligence, obtains current environment inside car temperature, root
According to in-car Current Temperatures and the difference of user's design temperature, the demand for control to air-conditioning, air-conditioner controller are sent by CAN
Airconditioning control is received by CAN to be input into, and drive air-conditioning work to heat or make accordingly according to the requirement of control input
Cold state, so as to realize automatically controlling air-conditioning.
The control logic controlled in intelligence is as shown in Figure 2.Comprise the following steps that：
S1, system starts；
S2, first determine whether manual/auto, step S3 is performed if manually, step S4 is performed if automatic；
S3, the virtual air-conditioning panel user input of reading, it is user input requirement to set airconditioning control signal, then performs step
Rapid S8；
S4, reading vehicle interior temperature signal, read user's temperature setting, then perform step S5；
S5, judge current vehicle interior temperature whether higher than user set, if then perform step S6, if otherwise performing step
S7；
S6, setting airconditioning control signal are refrigeration, and set cooling parameters；
S7, setting airconditioning control signal are to heat, and setting heats parameter；
S8, transmission airconditioning control CAN signal, then perform step S9；
S9, reception air-conditioning feedback CAN signal；
S10, circulation perform step S2-S9.
After air-conditioner controller receives the airconditioning control CAN signal controlled in intelligence in CAN and sent, need to perform to air-conditioning control
Braking is made, and needs the airconditioning control logical flow chart realized as shown in Figure 3 on air-conditioner controller.Comprise the following steps that：
L1, system starts；
L2, reception airconditioning control CAN signal；
L3, judge airconditioning control CAN signal whether effectively, if so, then perform step L4, if it is not, then return to step L2；
L4, by airconditioning control CAN signal requirement, control Actuator Of The Air Conditioner output；
L5, transmission air-conditioning feedback CAN signal, circulation step L2-L5.
For the coordination control for realizing communication in intelligence between control and air-conditioner controller and realize to whole air-conditioning system,
Need communication protocol reasonable in design.CAN communication agreement is used in intelligence between control and air-conditioner controller, by airconditioning control CAN
Signal and air-conditioning feedback CAN signal are both designed as single frames signal, per frame signal with 8 data of byte, can so make institute
There are airconditioning control information and air-conditioning feedback information to be completed in single frames, without planned network transport layer.It is easy in simplified intelligent
The realization of the communication cryptology of control and air-conditioner controller.One example design of airconditioning control CAN signal is as shown in table 1, each word
Section represents different airconditioning control functions.The different values of byte represent different control requirements.C A N ID：Oxl00；CA N
Bus Speed：250Kb；The transmission cycle：100m s；Sender：Middle control；Recipient：Air-conditioner controller.
Table 1
According to above-described embodiment, the present invention just can be well realized.What deserves to be explained is, before said structure design
Put, to solve same technical problem, even if some made in the present invention are used without substantial change or polishing
Technical scheme essence still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (9)
1. the refrigeration unit control system of CAN is based on, it is characterised in that including air-conditioner controller, by CAN and air-conditioning control
Controlled in the intelligence of device two-way communication processed, the vehicle interior temperature sensor that output end is connected with the input controlled in intelligence, respectively with sky
Adjust the evaporator temperature sensor and PTC temperature sensors of the input connection of controller, and the output with air-conditioner controller
Hold the actuator of connection.
2. the refrigeration unit control system based on CAN according to claim 1, it is characterised in that the actuator includes
Air blower, motor compressor, condensation fan, ptc heater, the pattern air door electricity being connected with the output end of air-conditioner controller respectively
Machine, inner-outer circulating air door motor, changes in temperature damper motor.
3. the refrigeration unit control system based on CAN according to claim 1, it is characterised in that the air-conditioner controller
Main control chip use Freescale MC9S08DZ60.
4. the refrigeration unit control system based on CAN according to claim 1, it is characterised in that the air-conditioner controller
Power supply chip select LM2940 power supply voltage stabilizing chips.
5. the refrigeration unit control system based on CAN according to claim 1, it is characterised in that control is provided with intelligence
Virtual air-conditioning panel.
6. according to claim 1-5 any one based on CAN refrigeration unit control system control method, its feature
It is to comprise the following steps：
Controlled in A1, intelligence and show virtual air-conditioning panel on the touchscreen, receive the touch input of user, will used by CAN
Family is sent to air-conditioner controller to the control data of air-conditioning；
A2, air-conditioner controller read CAN signal simultaneously extract airconditioning control solicited message, while read evaporator temperature sensor and
PTC temperature sensor informations；
A3, the control logic according to air-conditioner controller, drive the actuator of corresponding air-conditioning system to realize airconditioning control；
Or comprise the following steps：
B1, temperature needed for user's setting, control the signal for reading vehicle interior temperature sensor in intelligence, obtain current environment inside car temperature
Degree；
The difference according to current vehicle interior temperature and user's design temperature is controlled in B2, intelligence, the control to air-conditioning is sent by CAN
Demand processed；
B3, air-conditioner controller receive airconditioning control and are input into by CAN, and drive air-conditioning work according to the requirement of control input
Heated or refrigerating state accordingly；
Air-conditioner controller is also fed back to current airconditioning control state by CAN in the form of air-conditioning feeds back CAN signal
Controlled in intelligence.
7. it is according to claim 6 based on CAN refrigeration unit control system control method, it is characterised in that it is described
The control logic controlled in intelligence comprises the following steps：
S1, start-up operation；
S2, first determine whether manual/auto, step S3 is performed if manually, step S4 is performed if automatic；
S3, the virtual air-conditioning panel user input of reading, it is user input requirement to set airconditioning control signal, then performs step
S8；
S4, reading vehicle interior temperature signal, read user's temperature setting, then perform step S5；
S5, judge whether current vehicle interior temperature is set higher than user, if then performing step S6, if otherwise performing step S7；
S6, setting airconditioning control signal are refrigeration, and set cooling parameters；
S7, setting airconditioning control signal are to heat, and setting heats parameter；
S8, transmission airconditioning control CAN signal, then perform step S9；
S9, reception air-conditioning feedback CAN signal；
S10, circulation perform step S2-S9.
8. it is according to claim 7 based on CAN refrigeration unit control system control method, it is characterised in that it is described
The control logic of air-conditioner controller comprises the following steps：
L1, start-up operation；
L2, reception airconditioning control CAN signal；
L3, judge airconditioning control CAN signal whether effectively, if so, then perform step L4, if it is not, then return to step L2；
L4, by airconditioning control CAN signal requirement, control Actuator Of The Air Conditioner output；
L5, transmission air-conditioning feed back CAN signal, then circulation step L2-L5.
9. it is according to claim 8 based on CAN refrigeration unit control system control method, it is characterised in that it is described
Airconditioning control CAN signal and air-conditioning feedback CAN signal are single frames signal, per frame signal with 8 data of byte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069859.1A CN106828018A (en) | 2017-02-08 | 2017-02-08 | Refrigeration unit control system and its control method based on CAN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069859.1A CN106828018A (en) | 2017-02-08 | 2017-02-08 | Refrigeration unit control system and its control method based on CAN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106828018A true CN106828018A (en) | 2017-06-13 |
Family
ID=59122025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710069859.1A Pending CN106828018A (en) | 2017-02-08 | 2017-02-08 | Refrigeration unit control system and its control method based on CAN |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106828018A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297647A (en) * | 2018-01-02 | 2018-07-20 | 北京汽车股份有限公司 | Air-conditioning communication means, controller, control panel and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201961121U (en) * | 2010-12-02 | 2011-09-07 | 中国国际海运集装箱(集团)股份有限公司 | Intelligence refrigerated transport vehicle |
| CN102673345A (en) * | 2012-05-24 | 2012-09-19 | 山东龙都瑞麟祥机电股份有限公司 | Intelligent air-conditioning control system for electric automobile |
| KR20140121604A (en) * | 2013-04-08 | 2014-10-16 | 현대자동차주식회사 | Smart ventilation system and method for vehicle |
| CN105115108A (en) * | 2015-09-14 | 2015-12-02 | 苏州紫荆清远新能源汽车技术有限公司 | Method and device for automatically controlling air conditioners of electric cars based on CAN |
| CN206703887U (en) * | 2017-02-08 | 2017-12-05 | 成都雅骏新能源汽车科技股份有限公司 | Refrigeration unit control system based on CAN |
-
2017
- 2017-02-08 CN CN201710069859.1A patent/CN106828018A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201961121U (en) * | 2010-12-02 | 2011-09-07 | 中国国际海运集装箱(集团)股份有限公司 | Intelligence refrigerated transport vehicle |
| CN102673345A (en) * | 2012-05-24 | 2012-09-19 | 山东龙都瑞麟祥机电股份有限公司 | Intelligent air-conditioning control system for electric automobile |
| KR20140121604A (en) * | 2013-04-08 | 2014-10-16 | 현대자동차주식회사 | Smart ventilation system and method for vehicle |
| CN105115108A (en) * | 2015-09-14 | 2015-12-02 | 苏州紫荆清远新能源汽车技术有限公司 | Method and device for automatically controlling air conditioners of electric cars based on CAN |
| CN206703887U (en) * | 2017-02-08 | 2017-12-05 | 成都雅骏新能源汽车科技股份有限公司 | Refrigeration unit control system based on CAN |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297647A (en) * | 2018-01-02 | 2018-07-20 | 北京汽车股份有限公司 | Air-conditioning communication means, controller, control panel and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104773047B (en) | Air conditioner of electric vehicle panel control system and its control method | |
| CN102826028B (en) | There is the vehicle comfort system efficiently coordinated of auxiliary hot cell | |
| US10421335B2 (en) | Vehicle comprising air conditioning apparatus | |
| CN102958720B (en) | Vehicle air conditioning system | |
| US11577619B2 (en) | Charging station with climate control | |
| CN207173224U (en) | A kind of air-conditioner control system of pure electric automobile | |
| CN103629787B (en) | Vehicular air conditioning system | |
| CN107300243A (en) | Air-conditioning system, wind shelves adjusting method and computer-readable recording medium | |
| CN105115108A (en) | Method and device for automatically controlling air conditioners of electric cars based on CAN | |
| CN105922844A (en) | Appointment control method and system for air-conditioning system of electric vehicle | |
| CN105398306A (en) | Automobile air conditioner control method and automobile air conditioner controller | |
| US7222666B2 (en) | Vehicle air-conditioning apparatus that can surely defog window | |
| CN206703887U (en) | Refrigeration unit control system based on CAN | |
| CN106828018A (en) | Refrigeration unit control system and its control method based on CAN | |
| JPWO2014041953A1 (en) | VEHICLE AIR CONDITIONER AND VEHICLE AIR CONDITIONING METHOD | |
| CN107962925A (en) | For the air blower strategy based on temperature of acoustics comfort level | |
| CN107571716A (en) | A kind of automobile air conditioner control system with memory function | |
| CN107813677A (en) | A kind of automatic air condition HVAC assembly apparatus | |
| CN106839269A (en) | A kind of air conditioning comfortableness control method | |
| CN104553670B (en) | Vehicle | |
| US11255562B2 (en) | HVAC control during demand response event | |
| CN107878141B (en) | Control method and device for vehicle-mounted air conditioner and vehicle-mounted air conditioner | |
| CN204506415U (en) | Air conditioner of electric vehicle panel control system | |
| CN108928214B (en) | Carbon dioxide air conditioner heat pump system and ventilation control method thereof | |
| CN204943793U (en) | A kind of electric automobile air conditioner automaton based on CAN |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |