CN106555743B - A kind of motor compressor drive firmware update method and system - Google Patents
A kind of motor compressor drive firmware update method and system Download PDFInfo
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- CN106555743B CN106555743B CN201510639238.3A CN201510639238A CN106555743B CN 106555743 B CN106555743 B CN 106555743B CN 201510639238 A CN201510639238 A CN 201510639238A CN 106555743 B CN106555743 B CN 106555743B
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- controlling terminal
- memory module
- firmware update
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- motor compressor
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Abstract
The invention discloses a kind of motor compressor drive firmware update method and systems, this method realizes the firmware update to motor compressor driver by controlling terminal, motor compressor driver includes the first memory module and the second memory module, this method comprises: S1, controlling terminal and the first memory module establish communication connection；S2, controlling terminal send firmware update and instruct to the second memory module；S3, the second memory module send the first feedback information to controlling terminal；S4, controlling terminal send firmware update data to the second memory module, and the second memory module is updated according to the firmware update data received.The beneficial effects of the practice of the present invention is, after compressor installation, controlling terminal is according to different compressor models, customer information etc. obtains corresponding more new procedures, and after by the first memory module in CAN bus and driver establishing communication connection, corresponding firmware update data are loaded into the second memory module to carry out firmware update.
Description
Technical field
The present invention relates to electric car fields, more specifically to a kind of electricity applied to electric automobile air-conditioning system
Dynamic compressor drive firmware update method and system.
Background technique
The problems such as global warming, surging atmosphere pollution and energy cost, is increasingly severe, and automobile is as environmental pollution
One of with the main source of energy consumption, energy-saving and emission-reduction problem receives more and more extensive attention, national governments and automobile
The direction that enterprise develops energy conservation and environmental protection as future automobile technology, electronic also just meet the tendency of energy-saving and environment-friendly in this way and
It is raw.But with the raising of the rise of new-energy automobile industry and people's quality of life, people to the reliability of new-energy automobile, relax
More stringent requirements are proposed for the performances such as adaptive and energy conservation and environmental protection, and the quality of electric automobile air-conditioning system is to determine ride comfort
One of an important factor for.
In existing electric automobile air-conditioning system, the driver of kernel component motor compressor is in production, just
Driver is had cured, and the controller of motor compressor driver is mounted on inside motor compressor, it is not easy to disassemble, therefore make
It obtains and the update of motor compressor driver is had the following disadvantages:
1) because different manufacturers, different model compressor corresponding to driver it is different, therefore motor compressor exists
Before installation, it is necessary to which the producer's communication protocol and parameter of clear this type compressor cause product type excessive, is unfavorable for company
The management of product；
If 2) motor compressor is after mounting, need to change the communication protocol or driving ginseng of motor compressor driver
Number, then need to disassemble motor compressor driver inside motor compressor, and will using the burning chip device of profession
Other version softwares are burnt in this drive control device.
Summary of the invention
The technical problem to be solved in the present invention is that need to be by motor compressor driver from electricity for the above-mentioned of the prior art
It disassembles inside dynamic compressor to carry out the defect of firmware update, a kind of motor compressor drive firmware update method is provided
And system.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of motor compressor drive firmware more
New method, the method realize the firmware update to motor compressor driver by controlling terminal, and the motor compressor drives
Dynamic device includes the first memory module stored to execute driver functions program and stores to execute firmware update program
Second memory module, the controlling terminal are connect with first memory module and the second memory module by CAN bus respectively,
It the described method comprises the following steps:
S1, the controlling terminal and first memory module establish communication connection；
S2, the controlling terminal send firmware update and instruct to second memory module；
S3, second memory module send the first feedback information to the control according to the firmware update instruction received
Terminal；
S4, the controlling terminal send firmware update data to described second according to first feedback information received
Memory module, second memory module are updated according to the firmware update data received.
In above-mentioned motor compressor drive firmware update method, the method also includes:
The firmware update data are generated a frame check Data Concurrent by pre-defined rule and give institute by S5, the controlling terminal
The second memory module is stated, simultaneously feedback check result gives the controlling terminal to the second memory module verification verification data,
If verifying successfully, send to verify and successfully instruct to the controlling terminal, if verification failure, repeats step S4, if the
Continuously verification fails in one pre-determined number, then return step S1.In above-mentioned motor compressor drive firmware update method, institute
The method of stating further includes；
The controlling terminal sends the first update after the firmware update data are sent completely and completes instruction to described the
Two memory modules.
In above-mentioned motor compressor drive firmware update method, the method also includes；
If the second memory module firmware update is completed, sends the second update and completes to instruct to the controlling terminal,
If connection updates failure in the second pre-determined number, firmware update failure command is sent to the controlling terminal.
In above-mentioned motor compressor drive firmware update method, the controlling terminal is built with first memory module
The step of vertical communication connection includes:
S11, the controlling terminal continuously transmit communication connection information to first memory module by third pre-determined number；
After S12, first memory module receive the communication connection information, the second feedback information is sent to the control
Terminal processed, the controlling terminal execute the step S2 according to second feedback information received.
The present invention also provides a kind of motor compressor drive firmware more new systems, comprising: controlling terminal and with the control
The motor compressor driver that terminal processed is connected by CAN bus；
Wherein: the motor compressor driver includes:
First memory module stores the program to execute driver functions；And
Second memory module stores the program to execute firmware update；
Second memory module includes instruction receiving unit, signal feedback unit and data receipt unit, in the control
After terminal processed and first memory module establish communication connection, the controlling terminal sends firmware update and instructs to described instruction
Receiving unit, the signal feedback unit send first after described instruction receiving unit receives the firmware update instruction
Feedback information gives the controlling terminal, and the controlling terminal sends firmware update number according to first feedback information received
According to the data receipt unit is given, the data receipt unit carries out firmware more according to the firmware update data received
Newly.
In above-mentioned motor compressor drive firmware more new system, second memory module further includes verification unit,
The verification unit is for verifying the verification data sent by the controlling terminal and check results being fed back to the control eventually
End.
Implement motor compressor drive firmware update method and system of the invention, has the advantages that and be not necessarily to
Drive model is distinguished before compressor assembling, as long as controlling terminal is according to different compressions after compressor installation
Type number, customer information etc. obtains corresponding more new procedures, and is established by the first memory module in CAN bus and driver
After communication connection, corresponding firmware update data are loaded into the second memory module to carry out firmware update, to the assembling of compressor
Production brings great convenience.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is a kind of flow chart of motor compressor drive firmware update method embodiment of the present invention；
Fig. 2 is the data for the first feedback information that the firmware update instruction that controlling terminal is sent is sent with the second memory module
Format；
Fig. 3 is the format for the firmware update data that controlling terminal is sent；
Fig. 4 is controlling terminal after firmware update data are sent completely, send update complete instruction data format and
The format for the verification data that controlling terminal is sent；
Fig. 5 is the data format for verifying successfully instruction and verification failure command and be updated to that the second memory module is sent
Function instruction and the data format for updating failure command；
Fig. 6 is the data format for the communication connection information that controlling terminal is sent；
Fig. 7 is the data of the first memory module is sent respectively to controlling terminal before reception feedback information when 3 frame data
Format；
Fig. 8 is the data for the second feedback information that the first memory module is sent to controlling terminal when receiving 4 frame data
Format.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1, for a kind of flow chart of motor compressor drive firmware update method embodiment of the present invention, the party
Method directlys adopt the communication link CAN bus of motor compressor standard configuration, is realized by controlling terminal to motor compressor driver
Firmware update.In the present embodiment, motor compressor driver includes the first memory module and the second memory module, and first deposits
Storage module is used to store the program for being responsible for executing driver functions, and the second memory module is responsible for executing firmware update for storing
Program, and the first memory module and the second memory module support CAN bus agreement, communicate to connect with controlling terminal.Such as Fig. 1
Shown, which includes:
S1, controlling terminal and the first memory module establish communication connection.In this step, driver is run under normal circumstances
Instruction and online updating in the first memory module, and in order to avoid controlling terminal, the effects of overlapping such as memory read-write, controlling terminal
It needs after first establishing communication connection with the first memory module, then firmware update is carried out to the second memory module.
S2, controlling terminal send firmware update and instruct to the second memory module；
S3, the second memory module send the first feedback information to controlling terminal according to the firmware update instruction received；
S4, controlling terminal send firmware update data to the second memory module according to the first feedback information for receiving, the
Two memory modules are updated according to the firmware update data.
In above-mentioned steps, after controlling terminal establishes communication connection with the first memory module, controlling terminal sends firmware more
New command gives the second memory module, and hence into firmware update mode, and the second memory module refers to receiving the firmware update
After order, also can feedback information to controlling terminal, in the present embodiment, as shown in Fig. 2, for controlling terminal send firmware update refer to
Enable the data format of the first feedback information sent with the second memory module.
After the first feedback information that controlling terminal receives the transmission of the second memory module, the second memory module has been indicated
Firmware update instruction is had received, hence into firmware update mode.Controlling terminal retransmits firmware update data and deposits to second
Store up module.In the present embodiment, controlling terminal sends a frame more new data to the second storage mould every a predetermined time (such as 2ms)
Block, continuously transmits 64 frame data, and data format is as shown in Figure 3.After firmware update data are sent completely, controlling terminal can be sent out
It send the first update to complete instruction to the second memory module, indicates that firmware update data have been sent, as shown in Figure 4.Frame in the figure
Length indicates the length of the frame sent, in last frame, if 64 frame of curtailment, is calculated with physical length, and all data
After the completion of all updating, indicate that more new data has been sent transmission instruction 0D 0A.
Above-mentioned update method further include:
Firmware update data are generated a frame check Data Concurrent by pre-defined rule and give the second storage mould by S6, controlling terminal
Block, the second memory module verify the verification data and feedback check result to controlling terminal, if verify successfully, send verify at
Function is instructed to controlling terminal, if verification failure, repeats step S4, if the continuously verification failure in the first pre-determined number,
Return step S1.Specifically, controlling terminal can also send a frame check data to second when sending firmware update data simultaneously
Memory module (the verification data format is as shown in Figure 4), verification data are that controlling terminal passes through pre-defined rule (by all firmwares
More new data is added, and is negated plus 1) is generated, meanwhile, the second memory module, also will be all solid after having received firmware update data
Part more new data be added, negate plus 1 generate verification data, if with controlling terminal send verification data match, verification at
Function, and send to verify and successfully instruct to controlling terminal, as shown in Figure 5.If the verification data generated inside the second memory module with
The inspection data that controlling terminal is sent mismatches, then it represents that verification failure repeats step S4, i.e. retransmission firmware update
Data and verification data, if (can be set as in the present embodiment 3 times, but specific number is not intended to be limited in any) in the first pre-determined number
Interior connection verification failure then sends verification failure command (as shown in Figure 5) to controlling terminal and return step S1 restarts to add
It carries.
In above-mentioned steps, if the second memory module firmware update is completed, sends second and update completion instruction to control
Terminal (as shown in Figure 5) indicates that data update and completes (i.e. completion firmware upgrade)；If (in this implementation in the second pre-determined number
Can be set as 3 times in example, but specific number is not intended to be limited in any) failure is continuously updated, the second memory module then sends update failure
Instruction is (as shown in Figure 5) to give controlling terminal, indicates firmware update failure, exits this update.
In above-mentioned steps S1, it includes two steps that controlling terminal, which establishes communication connection again with the first memory module:
S11, controlling terminal continuously transmit communication connection information to the first memory module by third preset times；
After S12, the first memory module receive communication connection information, the second feedback information is sent to controlling terminal, control
Terminal executes step S2 according to second feedback information received.In step sl, third preset times can be set as
4, but specific number is not intended to be limited in any, i.e. and controlling terminal connection sends 4 frame data to the first memory module, and data format is such as
Shown in Fig. 6, the first memory module receives preceding 3 frame data, and sends data as shown in Figure 7 to control after one frame data of every reception
Terminal processed, after controlling terminal has sent the 4th frame data, the first memory module the second feedback information of transmission to controlling terminal, the
The data format of two feedback informations as shown in figure 8, indicate that controlling terminal and the first memory module establish communication connection, control at this time
Terminal processed initially enters normal work.Specifically, the above-mentioned length for being related to sending every frame data can be other numbers
Amount and specific instruction are also possible to other data, in practical application and are not intended to be limited in any.
In above-mentioned steps, firmware update data can download corresponding liter by connection upgrade server, official website
The approach such as grade packet obtain and (download corresponding driver according to different compressors, different manufacturers by controlling terminal), and control
Terminal can be PC (PC) etc..
The present invention also provides a kind of motor compressor drive firmware more new system, which includes: control
Terminal and the motor compressor driver being connect with controlling terminal by CAN bus；And motor compressor driver includes
One memory module stores the program to execute driver functions；And second memory module, it stores to execute firmware update
Program.
Second memory module includes instruction receiving unit, signal feedback unit and data receipt unit again, is being controlled eventually
After communication connection is established with the first memory module in end, controlling terminal sends firmware update and instructs to instruction receiving unit, and signal is anti-
Feedback unit sends the first feedback information to controlling terminal, controlling terminal after instruction receiving unit receives firmware update instruction
Firmware update data are sent to data receipt unit according to the first feedback information for receiving, and data receipt unit is according to receiving
Firmware update data carry out firmware update.
Above-mentioned second memory module further includes verification unit, and verification unit is used to verify the check number sent by controlling terminal
Controlling terminal is fed back to according to and by check results.
Therefore, implement motor compressor drive firmware update method and system of the present invention, without before compressor assembling
Drive model is distinguished, as long as controlling terminal is according to different compressor models, customer information after compressor installation
Deng obtaining corresponding more new procedures, and after establishing communication connection by the first memory module in CAN bus and driver, loading
Corresponding firmware update data, to carry out firmware update, are brought greatly to the second memory module to the assembling production of compressor
It is convenient.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (4)
1. a kind of motor compressor drive firmware update method, which is characterized in that the method passes through controlling terminal realization pair
The firmware update of motor compressor driver, the motor compressor driver include storage to execute driver functions program
The first memory module and store the second memory module to execute firmware update program, the controlling terminal respectively with it is described
First memory module is connected with the second memory module by CAN bus, the described method comprises the following steps:
S1, the controlling terminal and first memory module establish communication connection；
The step of controlling terminal establishes communication connection with first memory module include:
S11, the controlling terminal continuously transmit communication connection information to first memory module by third pre-determined number；
After S12, first memory module receive the communication connection information, it is whole to the control to send the second feedback information
End, the controlling terminal execute step S2 according to second feedback information received；
S2, the controlling terminal send firmware update and instruct to second memory module；
S3, second memory module are whole to the control according to firmware update instruction the first feedback information of transmission received
End；
S4, the controlling terminal send firmware update data to second storage according to first feedback information received
Module, second memory module are updated according to the firmware update data received；The controlling terminal is every one
Predetermined time sends a frame more new data to second memory module, continuously transmits 64 frame data；
The firmware update data are generated a frame check Data Concurrent by pre-defined rule and give described the by S5, the controlling terminal
Two memory modules, second memory module verify the verification data and feedback check result to the controlling terminal, if school
Success is tested, then sends to verify and successfully instructs to the controlling terminal, if verification failure, repeats step S4, if pre- first
Determine continuously verification failure in number, then return step S1；The controlling terminal can also be sent out simultaneously when sending firmware update data
Send a frame check data to second memory module, verification data are that the controlling terminal is generated by pre-defined rule, institute
Stating pre-defined rule is to be added all firmware update data, is negated plus 1, meanwhile, second memory module is receiving firmware
After more new data, also all firmware update data are added, negates plus 1 generates verification data, if being sent with the controlling terminal
Verification data match, then verify success, and send to verify and successfully instruct to the controlling terminal, if it is described second storage mould
The inspection data that the verification data and the controlling terminal generated inside block are sent mismatches, then it represents that verification failure, repetition are held
Row step S4, i.e. retransmission firmware update data and verification data, if the connection verification failure in the first pre-determined number, sends out
It send verification failure command to the controlling terminal and return step S1 restarts to load.
2. motor compressor drive firmware update method according to claim 1, which is characterized in that
The method also includes；
The controlling terminal sends the first update completion instruction after the firmware update data are sent completely and deposits to described second
Store up module.
3. motor compressor drive firmware update method according to claim 2, which is characterized in that
The method also includes；
If the second memory module firmware update is completed, sends second and update completion instruction to the controlling terminal, if
Connection updates failure in second pre-determined number, then sends firmware update failure command to the controlling terminal.
4. a kind of motor compressor drive firmware more new system characterized by comprising controlling terminal and with the control eventually
Hold the motor compressor driver connected by CAN bus；
Wherein: the motor compressor driver includes:
First memory module stores the program to execute driver functions；And
Second memory module stores the program to execute firmware update；
Second memory module includes instruction receiving unit, signal feedback unit and data receipt unit, at the control end
After communication connection is established with first memory module in end, the controlling terminal transmission firmware update is instructed to be received to described instruction
Unit, the signal feedback unit send the first feedback after described instruction receiving unit receives the firmware update instruction
Information give the controlling terminal, the controlling terminal according to receive first feedback information transmission firmware update data to
The data receipt unit, the data receipt unit carry out firmware update according to the firmware update data received；
Second memory module further includes verification unit, and the verification unit is for verifying the school sent by the controlling terminal
It tests data and check results is fed back into the controlling terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639238.3A CN106555743B (en) | 2015-09-30 | 2015-09-30 | A kind of motor compressor drive firmware update method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639238.3A CN106555743B (en) | 2015-09-30 | 2015-09-30 | A kind of motor compressor drive firmware update method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106555743A CN106555743A (en) | 2017-04-05 |
| CN106555743B true CN106555743B (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510639238.3A Expired - Fee Related CN106555743B (en) | 2015-09-30 | 2015-09-30 | A kind of motor compressor drive firmware update method and system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108563459B (en) * | 2018-02-05 | 2021-10-19 | 宁波海迈克动力科技有限公司 | System and method for updating firmware of motor driver of electric forklift |
| CN108870859B (en) * | 2018-07-12 | 2020-09-22 | 四川虹美智能科技有限公司 | Compressor driving parameter configuration method and system |
| CN110262822B (en) * | 2019-06-17 | 2020-11-24 | 珠海格力电器股份有限公司 | Multi-split system and upgrading method and device thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3372822B2 (en) * | 1997-04-24 | 2003-02-04 | キヤノン株式会社 | Data compression apparatus, method and system, and storage medium |
| JP2005258562A (en) * | 2004-03-09 | 2005-09-22 | Matsushita Electric Ind Co Ltd | Data updating device and data updating method |
| US7669046B2 (en) * | 2004-08-03 | 2010-02-23 | Panasonic Corporation | Data processing apparatus and firmware update method |
| CN102185754B (en) * | 2011-01-30 | 2014-03-12 | 广东佳和通信技术有限公司 | Method for upgrading board card in switch system |
| CN103916299B (en) * | 2013-01-02 | 2018-04-13 | Lg电子株式会社 | Household electrical appliance and its operating method |
| CN104363274A (en) * | 2014-11-03 | 2015-02-18 | 九阳股份有限公司 | Network household appliance with updating function |
| CN104618442A (en) * | 2014-12-30 | 2015-05-13 | 珠海格力电器股份有限公司 | Remote control method, equipment and system of air conditioner |
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