CN201258053Y - Gear controller of electric vehicle - Google Patents
Gear controller of electric vehicle Download PDFInfo
- Publication number
- CN201258053Y CN201258053Y CNU2008200753400U CN200820075340U CN201258053Y CN 201258053 Y CN201258053 Y CN 201258053Y CN U2008200753400 U CNU2008200753400 U CN U2008200753400U CN 200820075340 U CN200820075340 U CN 200820075340U CN 201258053 Y CN201258053 Y CN 201258053Y
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- electric vehicle
- interface
- micro controller
- controller system
- circuit
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Abstract
The utility model discloses an electric vehicle controller, which comprises a single-chip computer, a power supply interface, an external signal input circuit, a working state output circuit, a drive circuit, a power transistor switch and a current feedback circuit; the single-chip computer is connected with the external signal input circuit, the working state output circuit and the drive circuit respectively through an I/O interface; the drive circuit, the power transistor switch and the current feedback circuit are connected in sequence; the output end of the current feedback circuit is connected with the I/O interface of the single-chip computer; the single-chip computer is provided with a built-in E<2>PROM; the single-chip computer is connected with a host controller through a communication interface of the single-chip computer; and the E<2>PROM is used to storage the information sent by the host controller to the single-chip computer. The utility model can flexibly modify or upgrade the parameters of the electric vehicle controller to enhance the functions of the electric vehicle controller, improve the standardization level and production efficiency of the electric vehicle controller and facilitate the after-sale maintenance of the electric vehicle controller.
Description
Technical field
The utility model belongs to a kind of equipment of electric automobiles, is more specifically to belong to a kind of battery-driven car control convenience.
Background technology
Battery-driven car is light, quick with it, environmental protection, advantage such as energy-conservation, cheap and enjoy customer's favor.Controller for electric vehicle is one of core component of battery-driven car, task such as battery-driven car is normally finished the travelling of battery-driven car, turned under the control of controller for electric vehicle, braking.At present, when manufacturer produces controller for electric vehicle in design, normally performance perameter and the function needs according to different battery-driven cars design the controller for electric vehicle that production adapts with it, there are following problems in this controller for electric vehicle: 1. the controller for electric vehicle product is once producing, its program and parameter are just by disposal solidifying, can not adjust function or parameter neatly, if the words that controller for electric vehicle function or parameter are adjusted, must realize by the method that changes hardware circuit, for example, adjustment to the controller for electric vehicle under-voltage value, the divider resistance that needs to change under-voltage benchmark is realized, and this method of adjustment can not be finished under the situation of not dismantling casing of electric vehicle controller; 2. the state of controller for electric vehicle when once cutting off the power supply before controller for electric vehicle can not be remembered, after each outage, controller for electric vehicle all can return to initial condition, for example, controller for electric vehicle with three fast functions (having high speed, middling speed and three gears of low speed), if initial condition is set to middling speed, which gear no matter the velocity magnitude of controller for electric vehicle be on when cutting off the power supply so, all will revert to initial middling speed state when powering on once more; 3. the function of controller for electric vehicle is that software by different editions embodies, for example to change the length of automatic constant speed time, just need reprogramming, so corresponding different respectively software version of the controller for electric vehicle of difference in functionality, cause the version quantity of software a lot, caused very big difficulty for the management of software version; 4. the controller for electric vehicle of difference in functionality and parameter all needs separately hardware version and software version, therefore need formulate corresponding production technology at each controller product, make that the controller for electric vehicle standardization of products is poor, be difficult to carry out Quantity production, production efficiency can not effectively improve, and can cause complex manufacturing and cause the difficulty of maintenance.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of controller for electric vehicle is provided, can be flexibly and easily the parameter of controller for electric vehicle be provided with or software upgrading flexibly by communicating between upper control machine and the micro controller system, strengthened the function of controller for electric vehicle, improve the standardization and the production efficiency of controller for electric vehicle, be convenient to the technical supervision and the product maintenance of controller for electric vehicle simultaneously.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of controller for electric vehicle, by micro controller system, power interface, the outward sign input circuit, the mode of operation output circuit, driving circuit, power tube switch and current feedback circuit constitute, power interface is connected with external power supply, micro controller system by the I/O interface respectively with the outward sign input circuit, mode of operation output circuit and driving circuit are connected, driving circuit, power tube switch and current feedback circuit are connected in proper order, the mouth of current feedback circuit is connected with the I/O interface of micro controller system, the mouth of power tube switch is connected with motor, and described micro controller system is a built-in emulation E
2The micro controller system of PROM, described micro controller system is connected with a upper control machine by its communication interface, described E
2PROM is used to store the information of being issued micro controller system by upper control machine.
The utility model can also comprise following technical scheme: described communication interface is I/O interface of the serial communication interface of micro controller system or micro controller system or two I/O interfaces of micro controller system; The I/O interface of described communication interface for being connected with the outward sign input circuit; The I/O interface of a described I/O interface that is connected with the outward sign input circuit for being connected with tach signal; Described micro controller system is connected with upper control machine by I/O interface or serial mode.
Advantage of the present utility model and good effect are:
1. this controller for electric vehicle uses built-in emulation E
2The micro controller system of PROM (EEPROM E1ectrically Erasable Programmable Read-Only Memory), it is E with the FLASH memory emulation in the micro controller system
2Prom memory is used for storing the parameter of controller for electric vehicle, and during if desired to the modification of the function of controller for electric vehicle and parameter, the soft configuration method that only needs to communicate by upper control machine and micro controller system is to E
2Parameter among the PROM is made amendment and can be finished, avoided the problem of removing casing of electric vehicle controller and hardware being adjusted, therefore, can make amendment to the parameter of controller for electric vehicle neatly or carry out software upgrading, improve the alerting ability of controller for electric vehicle.
2. this controller for electric vehicle is stored in E in the micro controller system with parameter and running state data
2Among the PROM, because E
2PROM has the advantages that the long preservation data are not lost, therefore, the running state of controller for electric vehicle when once cutting off the power supply before can remembering, when powering on again after each outage, the state when once cutting off the power supply before controller for electric vehicle all will keep.
3. this controller for electric vehicle stores running state data in the micro controller system E
2PROM, upper control machine reads E by the communication function with micro controller system
2PROM realizes the real-time monitoring and control to controller for electric vehicle.
4. this controller for electric vehicle can adopt serial communication interface, direct I/O mouth mode or multiplexing I/O interface to use full duplex or half-duplex communication mode, therefore, has flexile signalling methods.
Description of drawings
Fig. 1 is first kind of block scheme that is connected of this controller for electric vehicle and upper control machine;
Fig. 2 is second kind of block scheme that is connected of this controller for electric vehicle and upper control machine.
The specific embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described.
As shown in Figure 1, this controller for electric vehicle is made of micro controller system, power interface, outward sign input circuit, mode of operation output circuit, driving circuit, power tube switch, current feedback circuit, power interface is connected with external power supply, external power supply provides working power for controller for electric vehicle, and micro controller system is built-in emulation E
2The micro controller system of PROM, this micro controller system are the micro controller system of flash ROM, in the part of the flash ROM of micro controller system inner utilization micro controller system, are E with Software tool or software emulation
2PROM, in the present embodiment, built-in emulation E
2The micro controller system of PROM has adopted the STC12C5401AD micro controller system, and micro controller system in-to-in flashROM is simulated as E
2Prom memory uses, and micro controller system is interior by the E of emulation
2PROM has the non-volatile semiconductor memory characteristic, and be stored in its in-to-in data and can not lose, therefore, be safe with its parameter and running state data of storing controller for electric vehicle, be stored in and be simulated as E in the micro controller system
2Electric motor car controller parameter in the memory device of PROM and running state data can be carried out the data write operation under the control of micro controller system, micro controller system by the I/O interface respectively with the outward sign input circuit, the mode of operation output circuit is connected, be that the outward sign input circuit comprises tach signal, hall signal, brake signal and anti-theft alarm signal, the mode of operation output circuit comprises that speed shows, the panel state shows and the electric current gauge outfit shows, micro controller system also is connected with driving circuit by the I/O interface, this driving circuit, the power tube switch, current feedback circuit is connected in proper order, the mouth of current feedback circuit is connected with the I/O interface of micro controller system, and the mouth of power tube switch is connected with motor
For controller for electric vehicle is carried out soft configuration feature, need between controller for electric vehicle and upper control machine, establish a communications link to realize the function of data transfer, the micro controller system of controller for electric vehicle is provided with communication interface and is connected with upper control machine, and the connection mode between this communication interface and the upper control machine has following three kinds:
1. this communication interface uses the serial communication port of micro controller system to be connected with upper control machine;
2. this communication interface uses the I/O interface of micro controller system to be connected with upper control machine, and this connection mode can be used an I/O interface to carry out the half-duplex operation mode and communicate, and also can use two I/O interfaces to carry out the full-duplex communication mode and communicate
3. this communication interface uses the I/O interface that has the A/D translation function of micro controller system to be connected with upper control machine, this I/O interface is connected with upper control machine as communication interface on the one hand, simultaneously with the outward sign input circuit, be connected as tach signal, because the I/O interface is a digital signal when communicating by letter with upper control machine, and be the analog signal input, that is: when micro controller system detects analog signal and imports as external input signal, be judged as the tach signal input, enter the A/D pattern; When micro controller system detects the numeral input, be judged as signal of communication, enter communication pattern.
Fig. 1 carries out the bonded assembly scheme drawing for controller for electric vehicle uses the 1st kind or 2 kinds of connection modes and upper control machine,
Fig. 2 carries out the bonded assembly scheme drawing for controller for electric vehicle uses the 3rd kind multiplexing I/O interface and upper control machine.
Use above-mentioned connection mode can realize the parameter of controller for electric vehicle being carried out conveniently configuration in real time or adjusting with upper control machine, in the present embodiment, what upper control machine adopted is automatic monitor station equipment or the hand-hold programmer that my company produces, by using full-duplex communication mode or half-duplex operation mode to communicate, can realize the soft configuration feature of controller for electric vehicle, the performing step of its soft configuration method is:
1. upper control machine and micro controller system communicate to realize that upper control machine sends the electric motor car controller parameter function to micro controller system, and in this step, upper control machine sends electric motor car controller parameter to micro controller system;
2. after micro controller system receives electric motor car controller parameter, electric motor car controller parameter stored into be simulated as E in the micro controller system
2In the memory device of PROM;
3. micro controller system is from E
2Read electric motor car controller parameter among the PROM and carry out control corresponding, realize the soft configuration feature of battery-driven car control.
Can realize electric motor car controller parameter is revised the soft configuration feature that reaches program upgrade by above-mentioned steps.
In addition, upper control machine can also communicate realization to the E in the micro controller system with micro controller system
2Reading of the electric motor car controller parameter of PROM and running state parameter realized the real-time monitoring and control to controller for electric vehicle on upper control machine.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the specific embodiment; every by those skilled in the art according to other embodiments that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (5)
1. controller for electric vehicle, by micro controller system, power interface, the outward sign input circuit, the mode of operation output circuit, driving circuit, power tube switch and current feedback circuit constitute, power interface is connected with external power supply, micro controller system by the I/O interface respectively with the outward sign input circuit, mode of operation output circuit and driving circuit are connected, driving circuit, power tube switch and current feedback circuit are connected in proper order, the mouth of current feedback circuit is connected with the I/O interface of micro controller system, the mouth of power tube switch is connected with motor, it is characterized in that: described micro controller system is a built-in emulation E
2The micro controller system of PROM, described micro controller system is connected with a upper control machine by its communication interface, described E
2PROM is used to store the information of being issued micro controller system by upper control machine.
2. controller for electric vehicle according to claim 1 is characterized in that: described communication interface is I/O interface of the serial communication interface of micro controller system or micro controller system or two I/O interfaces of micro controller system.
3. controller for electric vehicle according to claim 1 is characterized in that: the I/O interface of described communication interface for being connected with the outward sign input circuit.
4. controller for electric vehicle according to claim 3 is characterized in that: the I/O interface of a described I/O interface that is connected with the outward sign input circuit for being connected with tach signal.
5. controller for electric vehicle according to claim 1 is characterized in that: described micro controller system is connected with upper control machine by I/O interface or serial mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200753400U CN201258053Y (en) | 2008-07-15 | 2008-07-15 | Gear controller of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200753400U CN201258053Y (en) | 2008-07-15 | 2008-07-15 | Gear controller of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201258053Y true CN201258053Y (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200753400U Expired - Fee Related CN201258053Y (en) | 2008-07-15 | 2008-07-15 | Gear controller of electric vehicle |
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| Country | Link |
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| CN (1) | CN201258053Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740483A (en) * | 2014-12-10 | 2016-07-06 | 上海机电工程研究所 | Parameter binding method and system based on C8051F020 single chip microcomputer |
-
2008
- 2008-07-15 CN CNU2008200753400U patent/CN201258053Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105740483A (en) * | 2014-12-10 | 2016-07-06 | 上海机电工程研究所 | Parameter binding method and system based on C8051F020 single chip microcomputer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Tianjin Santroll Electric Science & Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20150715 |
|
| EXPY | Termination of patent right or utility model |