CN203783862U - Electronic water pump controller - Google Patents
Electronic water pump controller Download PDFInfo
- Publication number
- CN203783862U CN203783862U CN201420138293.5U CN201420138293U CN203783862U CN 203783862 U CN203783862 U CN 203783862U CN 201420138293 U CN201420138293 U CN 201420138293U CN 203783862 U CN203783862 U CN 203783862U
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- electronic water
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- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses an electronic water pump controller. The electronic water pump controller comprises an MCU, a motor driving circuit and a parameter detection circuit; the MCU is connected with an automobile ECU through a communication interface in an LIN communication mode; the input end of the motor driving circuit is connected with the MCU, and the output end of the motor driving circuit is connected with a motor; the signal output end of the parameter detection circuit is connected with the MCU and used for transmitting working parameters of the motor to the MCU. A power source processing circuit, an LIN communication processing circuit, a watch-dog circuit and a motor control circuit are integrated on the MCU. The electronic water pump controller has the advantages that the integration level is high, the design of a peripheral circuit is simplified, the quantity of peripheral components is reduced, and the reliability of a control board is improved.
Description
Technical field
The utility model relates to a kind of controller, is specifically related to a kind of electronic water pump controller.
Background technique
Along with international energy and environmental crisis increase the weight of day by day, in global range, just starting the upsurge of one research and development new-energy automobile.A lot of new energy vehicles adopt electronic water pumps as water system on water circulation, cooling or car.Electronic water pump adopts the piezoelectric material device that is used as power, and from controlling to drive, thoroughly realizes electronization, controls fluid transport completely, thereby realize adjustability, the accuracy of fluid transport with electronics integrated system.The mechanical water pump traditional with car engine cooling system compared, and mechanical water pump can only provide flow by rotating speed, the control underaction of water pump; Electronic water pump is more easily controlled, and the life-span is longer.
Chinese patent literature CN 203230596 U(application numbers 201320162652.6) disclose a kind of car engine electronic water pump controller, comprised power module, main control module, motor predrive module, CAN bus communication module and currrent feedback acquisition module; Described motor predrive module one end is connected with the terminal of the brshless DC motor of motor car engine, and the other end is connected with main control module; Between described power module, main control module and currrent feedback acquisition module, by CAN bus communication module, connect.
But above-mentioned electronic water pump controller does not arrange protection module, when the appearance such as electric moter voltage, electric current, rotating speed, temperature are abnormal, electronic water pump can not be protected; Can not detect and speed governing the rotating speed of motor.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of electronic water pump controller.
The technological scheme that realizes the utility model object is a kind of electronic water pump controller, comprises MCU, motor-drive circuit and parameter detecting circuit; MCU adopts LIN communication modes to be connected with the ECU of automobile by communication module; The input end of motor-drive circuit is connected with MCU, and output terminal is connected with motor; The signal output part of parameter detecting circuit is connected with MCU, to the running parameter of MCU transmission motor.
The inner integrated serial communication module of described MCU, analog-to-digital conversion module, house dog, timer, LIN transceiver, power transfer module, measurement module, flash switch drive, lower edge switch drive, debugging module on sheet, catch/comparison module, integrated power supply processing circuit, LIN Communication processing circuit, watchdog circuit, high-low side switch driving circuit; MCU is by the ECU swap data of communication module and automobile.
Motor-drive circuit comprises the protective circuit that the driver that consists of power tube and TVS form, and the grid of power tube is connected with the interface of MCU, and drain electrode is connected with motor coil.
Parameter detecting circuit comprises one or more in voltage detecting circuit, current detection circuit, temperature sensing circuit, speed detect circuit, hall position testing circuit.
As optionally, the described MCUWei automobile specified single-chip microcomputer TLE9832 of Infineon, is integrated in 8051 cores and SBC on a wafer.
Described hall position testing circuit comprises Hall transducer, and the output terminal of Hall transducer is connected with MCU.
The utlity model has positive effect: (1) electronic water pump controller circuitry of the present utility model comprises data processing module and two parts of power driver module, single-chip microcomputer that wherein data processing module is used is integrated power supply processing circuit, LIN Communication processing circuit, WDT(watchdog circuit) circuit, circuit for controlling motor, level of integration is high, simplified the design of peripheral circuit, reduce the quantity of peripheral component, improved the reliability of control panel.
(2) electronic water pump controller of the present utility model is integrated over-voltage over-current protection, rotation-clogging protection, reverse polarity protection and overheat protector; when detecting electric moter voltage, electric current, rotating speed, temperature etc., the MCU of controller occurs when abnormal; can carry out corresponding protective measure, and fault message is fed back to the ECU of automobile by LIN communication.
(3) the parameter monitoring circuit of electronic water pump controller of the present utility model transmits the rotary speed data of motor in real time to the MCU of controller, controller passes through LIN communication transfer to automobile ECU by rotary speed data, ECU sends new motor speed instruction by LIN communication to controller again, after the instruction that single-chip microcomputer sends ECU is resolved, according to command request, think that motor-drive circuit sends pwm signal, control motor and carry out work according to new rotary speed instruction, thereby electronic water pump controller of the present utility model is controlled in real time to motor speed, realize the variable-speed function of electronic water pump controller.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of electronic water pump controller of the present utility model;
Fig. 2 is the system block diagram of embodiment 1 MCU used;
Fig. 3 is the circuit theory diagrams of electronic water pump controller of the present utility model.
Embodiment
(embodiment 1)
The electronic water pump controller of the present embodiment is mainly used in the control of electronic water pump on internal-combustion engines vehicle and new-energy automobile.
See Fig. 1 and Fig. 3, electronic water pump controller comprises embedded microcontroller (hereafter MCU), motor-drive circuit and parameter detecting circuit.MCU adopts LIN communication modes to be connected with the ECU of automobile by communication module.The input end of motor-drive circuit is connected with MCU, and output terminal is connected with motor, and the motor in the present embodiment is two phase brushless DC motors.The signal output part of parameter detecting circuit is connected with MCU, to the running parameter of MCU transmission motor.
See Fig. 2, the inner integrated serial communication module of MCU, analog-to-digital conversion module, house dog, timer, LIN transceiver, power transfer module, measurement module, flash switch drive, lower edge switch drive, debugging module on sheet, catch/comparison module, integrated power supply processing circuit, LIN Communication processing circuit, watchdog circuit, high-low side switch driving circuit.
The automobile specified single-chip microcomputer TLE9832 of MCUWei Infineon in the present embodiment, this single-chip microcomputer is the new a special chip for body electronics domain design of releasing of semiconductor company of Infineon.It adopts up-to-date technology, by 8051 cores and SBC(system basic chip) be integrated on a wafer.SBC is integrated in 8051 buses with peripheral hardware form, by access register, can directly access, and level of integration is high, can greatly reduce the quantity of external devices and simplify the design of external circuit.MCU is by the ECU swap data of communication interface and automobile.
See Fig. 3, motor-drive circuit receives the pwm control signal that MCU sends, according to received signal drive motor running.Motor-drive circuit comprises driver and the TVS(Transient Suppression Diode consisting of power tube) protective circuit that forms, the grid of power tube is connected with the interface of MCU, drains and is connected with motor coil.1 pin of MCU (LIN communication function pin) is directly connected with ECU, accept electric motor starting that ECU sends over, stop and rotary speed instruction, MCU carries out the order receiving after data processing, send pwm signal to the grid of the power tube of motor-drive circuit, by power ratio control pipe, thus control motor unlatching, stop and rotating speed.
Parameter detecting circuit comprises one or more in voltage detecting circuit, current detection circuit, temperature sensing circuit, speed detect circuit, hall position testing circuit.The voltage of parameter detecting electric circuit inspection motor, electric current, temperature, rotating speed, hall position also transmit above-mentioned signal to MCU, take and understand the operating condition of motor or provide parameter as the fault diagnosis of motor.
Wherein after the measurement module test of voltage signal by single-chip microcomputer inside, obtain, after the sampling resistor sampling of current signal by 20m Ω, send in the AD modular converter of single-chip microcomputer and calculate.Temperature signal carrys out just collecting temperature signal by the temperature sensitive circuit on pcb board, and collection temperature signal is out sent in the AD modular converter of single-chip microcomputer with the form of voltage signal, after calculating, draws temperature value.In the present embodiment, MCU carries 10 passage 8 bit A/D converters, and the analogue signals such as the electric current that outside Acquisition Circuit collection is come, temperature convert by AD modular converter the digital signal that single-chip microcomputer can identification to.Tach signal calculates by detecting the mode in Hall element output waveform cycle.Position signal obtains by Hall transducer detection rotor magnetic field.
When the electronic water pump controller of the present embodiment is worked, first initialization completes with networking function, the wait of automobile ECU and accepts instruction; Then MCU receives the enabled instruction of ECU by LIN communication, enter electric motor starting algorithm, by Hall transducer detection rotor position, send pwm control signal and turn round with drive motor to the HITFET power model in motor-drive circuit, and realize the control to motor speed.Judge whether it normally starts, if normal, starts, according to the speed command operation receiving.
MCU receives the enabled instruction of ECU, when entering starting algorithm, parameter detecting circuit starts to gather voltage, electric current, temperature, tach signal, by fault diagnosis algorithm, judge the working state of electronic water pump, when overvoltage, overcurrent, stall or the dry fault that turns appear in fault diagnostic program judgement electronic water pump, failure code is fed back to ECU by LIN communication, and by motor-drive circuit, motor is quit work; If electronic water pump is working properly, normal running speed is sent to ECU.
Because the parameter monitoring circuit of electronic water pump controller is in real time to the rotary speed data of the MCU transmission motor of controller, controller passes through LIN communication transfer to automobile ECU by rotary speed data, ECU sends new motor speed instruction by LIN communication to controller again, after the instruction that single-chip microcomputer sends ECU is resolved, according to command request, think that motor-drive circuit sends pwm signal, control motor and carry out work according to new rotary speed instruction, thereby electronic water pump controller of the present utility model is controlled in real time to motor speed, realize the variable-speed function of electronic water pump controller.
Claims (3)
1. an electronic water pump controller, is characterized in that: comprise MCU, motor-drive circuit and parameter detecting circuit; MCU adopts LIN communication modes to be connected with the ECU of automobile by communication module; The input end of motor-drive circuit is connected with MCU, and output terminal is connected with motor; The signal output part of parameter detecting circuit is connected with MCU, to the running parameter of MCU transmission motor;
The inner integrated serial communication module of described MCU, analog-to-digital conversion module, house dog, timer, LIN transceiver, power transfer module, measurement module, flash switch drive, lower edge switch drive, debugging module on sheet, catch/comparison module, integrated power supply processing circuit, LIN Communication processing circuit, watchdog circuit, high-low side switch driving circuit; MCU is by the ECU swap data of communication module and automobile;
Motor-drive circuit comprises the protective circuit that the driver that consists of power tube and TVS form, and the grid of power tube is connected with the interface of MCU, and drain electrode is connected with motor coil;
Parameter detecting circuit comprises one or more in voltage detecting circuit, current detection circuit, temperature sensing circuit, speed detect circuit, hall position testing circuit.
2. electronic water pump controller according to claim 1, is characterized in that: the described MCUWei automobile specified single-chip microcomputer TLE9832 of Infineon, is integrated in 8051 cores and SBC on a wafer.
3. electronic water pump controller according to claim 1, is characterized in that: hall position testing circuit comprises Hall transducer, and the output terminal of Hall transducer is connected with MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138293.5U CN203783862U (en) | 2014-03-25 | 2014-03-25 | Electronic water pump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138293.5U CN203783862U (en) | 2014-03-25 | 2014-03-25 | Electronic water pump controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783862U true CN203783862U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420138293.5U Expired - Fee Related CN203783862U (en) | 2014-03-25 | 2014-03-25 | Electronic water pump controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN203783862U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759673A (en) * | 2014-12-19 | 2016-07-13 | 杭州三花研究院有限公司 | Automobile electronic system and use method thereof |
| CN105864008A (en) * | 2016-03-15 | 2016-08-17 | 威海威高生物科技有限公司 | Wireless integral rotary ceramic plunger pump |
| WO2018090655A1 (en) * | 2016-11-17 | 2018-05-24 | 杭州三花研究院有限公司 | Control system and control method |
| CN108073102A (en) * | 2016-11-17 | 2018-05-25 | 杭州三花研究院有限公司 | The communication means and communication control system of communication system |
| CN108073101A (en) * | 2016-11-17 | 2018-05-25 | 杭州三花研究院有限公司 | Communication control system |
| CN108712133A (en) * | 2018-05-28 | 2018-10-26 | 云南兆富科技有限公司 | A kind of wind turbine separate type frequency-conversion drive apparatus |
| CN109213112A (en) * | 2017-07-04 | 2019-01-15 | 北京怀美科技有限公司 | Electronic water pump controller performance detection device |
| CN110118185A (en) * | 2018-02-05 | 2019-08-13 | 盾安汽车热管理科技有限公司 | A kind of automobile-used electronic water pump control system and control method |
| CN112460043A (en) * | 2020-11-26 | 2021-03-09 | 江西宁鸿电子技术有限公司 | Intelligent water pump controller |
-
2014
- 2014-03-25 CN CN201420138293.5U patent/CN203783862U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759673A (en) * | 2014-12-19 | 2016-07-13 | 杭州三花研究院有限公司 | Automobile electronic system and use method thereof |
| CN105864008A (en) * | 2016-03-15 | 2016-08-17 | 威海威高生物科技有限公司 | Wireless integral rotary ceramic plunger pump |
| CN105864008B (en) * | 2016-03-15 | 2018-03-27 | 威海威高生物科技有限公司 | Wireless type rotates integrally ceramic plunger pump |
| EP3543533A4 (en) * | 2016-11-17 | 2020-06-10 | Hangzhou Sanhua Research Institute Co., Ltd. | Control system and control method |
| CN108073102A (en) * | 2016-11-17 | 2018-05-25 | 杭州三花研究院有限公司 | The communication means and communication control system of communication system |
| CN108073101A (en) * | 2016-11-17 | 2018-05-25 | 杭州三花研究院有限公司 | Communication control system |
| WO2018090655A1 (en) * | 2016-11-17 | 2018-05-24 | 杭州三花研究院有限公司 | Control system and control method |
| US10989187B2 (en) | 2016-11-17 | 2021-04-27 | Hangzhou Sanhua Research Institute Co., Ltd. | Control system and control method |
| CN109213112A (en) * | 2017-07-04 | 2019-01-15 | 北京怀美科技有限公司 | Electronic water pump controller performance detection device |
| CN110118185A (en) * | 2018-02-05 | 2019-08-13 | 盾安汽车热管理科技有限公司 | A kind of automobile-used electronic water pump control system and control method |
| CN110118185B (en) * | 2018-02-05 | 2021-06-25 | 盾安汽车热管理科技有限公司 | Vehicle electronic water pump control system and control method |
| CN108712133A (en) * | 2018-05-28 | 2018-10-26 | 云南兆富科技有限公司 | A kind of wind turbine separate type frequency-conversion drive apparatus |
| CN112460043A (en) * | 2020-11-26 | 2021-03-09 | 江西宁鸿电子技术有限公司 | Intelligent water pump controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGZHOU SOUTHEAST ELECTRIC APPLIANCE + MOTOR CO. Free format text: FORMER NAME: GUANGZHOU SOUTHEAST ELECTRIC APPLIANCE + MOTOR CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Li Hua Road Tianning District 213004 Jiangsu city of Changzhou province No. 13 Patentee after: CHANGZHOU DONGNAN ELECTRICAL APPLIANCE MOTOR CO., LTD. Address before: Li Hua Road Tianning District 213004 Jiangsu city of Changzhou province No. 13 Patentee before: Guangzhou Southeast Electric Appliance & Motor Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20210325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |