CN110962584A - Controller for circulating water of electric automobile - Google Patents
Controller for circulating water of electric automobile Download PDFInfo
- Publication number
- CN110962584A CN110962584A CN201911144516.2A CN201911144516A CN110962584A CN 110962584 A CN110962584 A CN 110962584A CN 201911144516 A CN201911144516 A CN 201911144516A CN 110962584 A CN110962584 A CN 110962584A
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- China
- Prior art keywords
- control unit
- unit
- controller
- chip
- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a controller for circulating water of an electric automobile, which comprises: the control unit is used for receiving a control signal sent by the electric automobile central control, processing the control signal by the control unit and sending the processed control signal to the driving unit; the input end of the driving unit is connected with the control unit, the output end of the driving unit is connected with the motor, and the starting, stopping and rotating speed of the motor are adjusted according to a control signal sent by the control unit; the power supply unit is used for supplying power to the whole controller after rectifying, filtering and reducing the voltage of the alternating current; the communication unit is used for transmitting communication signals between the control unit and the central control unit of the electric automobile; the controller is communicated with the central control of the electric automobile through the control unit, the control unit is utilized to send signals to the driving unit to drive the motor of the circulating water pump to operate, so that the working condition of the circulating water pump can be adjusted according to the operating condition of the automobile, the adjusting accuracy is high, and the service life of a battery is greatly prolonged.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a controller for circulating water of an electric automobile.
Background
Along with the progress of new energy technology in China, more and more people select an electric vehicle as a travel tool, in the whole electric vehicle, heat dissipation is an important link, because the electric vehicle adopts high-power and large-capacity batteries, the high-power and large-capacity batteries can emit a large amount of heat during working, the heat cannot be timely dissipated, the service life of the batteries can be greatly influenced, fire can be caused to the vehicle during driving seriously, the danger is high, a certain circulating water pipe is generally laid around the batteries in the conventional heat dissipation process, heat dissipation is carried out by utilizing circulating water, a controller adopted by the conventional circulating water heat dissipation has a simple structure, only starting and stopping of a water pump can be realized, the conventional high-capacity and high-power battery heat dissipation requirements cannot be met, and energy conservation and environmental protection are insufficient.
Disclosure of Invention
The invention provides a high-efficiency and energy-saving controller for circulating water of an electric automobile, aiming at solving the problems of simple structure and single function of the existing circulating water controller for the electric automobile.
In order to achieve the purpose, the invention provides the technical scheme that: a controller for circulating water of an electric vehicle, comprising: the control unit is used for receiving a control signal sent by the electric automobile central control, processing the control signal by the control unit and sending the processed control signal to the driving unit; the input end of the driving unit is connected with the control unit, the output end of the driving unit is connected with the motor, and the starting, stopping and rotating speed of the motor are adjusted according to a control signal sent by the control unit; the power supply unit is used for supplying power to the whole controller after rectifying, filtering and reducing the voltage of the alternating current; and the communication unit is used for transmitting communication signals between the control unit and the electric automobile central control unit.
In the above technical solution, as a preferred technical solution, the control unit includes a single chip microcomputer, and an I/0 pin of the single chip microcomputer is connected to the driving unit.
On the basis of the technical scheme, the single chip microcomputer is a single chip microcomputer with the model number of S9KEAZ128 AMLH.
In the above technical scheme, the driving unit comprises a driving chip, the input end of the driving chip is connected with the single chip microcomputer, and the output end of the driving unit is connected with the motor.
Further preferably, the driving chip is an a4960 chip.
In the technical scheme, the power supply unit comprises a TPS54061-Q1 chip, and the TPS54061-Q1 chip outputs 5V direct current to supply power to the whole circuit.
The communication unit comprises a TJA1050 chip, and a D pin and an R pin of the TJA1050 chip are connected with the control unit.
On the basis of the above technical solution, further, a CANH pin and a CANL pin of the TJA1050 chip are connected with an electrostatic protection unit.
Compared with the prior art, the invention has the beneficial effects that: the controller is communicated with the central control of the electric automobile through the control unit, the control unit is utilized to send signals to the driving unit to drive the motor of the circulating water pump to operate, so that the working condition of the circulating water pump can be adjusted according to the operating condition of the automobile, the adjusting accuracy is high, and the service life of a battery is greatly prolonged.
Drawings
FIG. 1 is a structural frame diagram of the present invention;
FIG. 2 is a circuit schematic of the control unit;
FIG. 3 is a circuit schematic of a power supply module;
fig. 4 is a circuit schematic of the drive unit;
FIG. 5 is a circuit schematic of the communication unit;
fig. 6 is a schematic circuit diagram of the electrostatic protection unit.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the present invention provides a controller for circulating water of an electric vehicle, which mainly comprises a control unit 10, wherein the control unit 10 communicates with a central controller connected with the electric vehicle through a communication unit 20, the central controller can transmit a speed signal of the electric vehicle or a temperature signal monitored by a temperature monitoring system of the electric vehicle to the control unit 10, and the control unit 10 adjusts a circulating water system according to the signals.
The output end of the control unit 10 is connected with a driving unit 30, the driving unit 30 is used for driving the motor, and the start, stop and rotation speed of the motor are adjusted according to a control signal sent by the control unit 10.
Of course, the controller further includes a power supply unit 40, which supplies power to the entire controller after rectifying, filtering and reducing the ac power.
The above modules will be specifically described below.
As shown in fig. 2, in this embodiment, the control unit 10 adopts a single chip microcomputer, specifically, a single chip microcomputer with a model number of S9KEAZ128AMLH is used as the control unit, and its peripheral circuit is shown in fig. 2, which is not described again in this embodiment.
As shown in FIG. 3, as a power supply of the whole controller, the power module 40 includes a DC-DC voltage reduction chip TPS54061-Q1, and the TPS54061-Q1 chip outputs 5V direct current to supply power to the whole circuit.
As shown in fig. 4, the driving unit 30 is a driving chip with a model a4960, a back electromotive force detection circuit is integrated in the chip to directly detect a zero crossing point, and perform commutation control to start an internal integrated motor, and parameters are adjustable, and the driving unit sets a motor start and control parameter single PWM input speed regulation signal integrated bootstrap circuit through communication between an SPI interface and an MCU, and directly drives 6 NMOS bridges. The three pins of CA, CB and CC of the chip are connected with the three phases of the motor of the water pump, so that the motor is driven to operate.
As shown in fig. 5, the information communication between the single chip microcomputer and the central control unit of the electric vehicle is realized through the communication unit 20, in this embodiment, the communication unit 20 is realized by using a CAN transceiver, the CAN transceiver includes a TJA1050 chip, and a D pin and an R pin of the TJA1050 chip are connected to the single chip microcomputer. In addition, the CANH pin and CANL pin of the TJA1050 chip are connected with an electrostatic protection unit, as shown in fig. 6, the electrostatic protection unit is a NUP2015LTVS diode, i.e., a transient suppression diode, which is used as a surge absorption protection device. When the two poles of the diode are impacted by reverse transient high energy, the high impedance between the two poles is changed into low impedance at the speed of 10^ -12S magnitude, and the surge power of thousands of watts is absorbed. The voltage between the two electrodes is clamped at a safe value, and precision components in an electronic circuit are effectively protected from being damaged by surge pulses.
The controller is communicated with the central control of the electric automobile through the control unit, the control unit is utilized to send signals to the driving unit to drive the motor of the circulating water pump to operate, so that the working condition of the circulating water pump can be adjusted according to the operating condition of the automobile, the adjusting accuracy is high, and the service life of a battery is greatly prolonged.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (8)
1. The utility model provides a controller that electric automobile circulating water was used which characterized in that includes:
the control unit is used for receiving a control signal sent by the electric automobile central control, processing the control signal by the control unit and sending the processed control signal to the driving unit; and
the input end of the driving unit is connected with the control unit, the output end of the driving unit is connected with the motor, and the starting, stopping and rotating speed of the motor are adjusted according to a control signal sent by the control unit; and
the power supply unit is used for supplying power to the whole controller after rectifying, filtering and reducing the voltage of the alternating current; and
and the communication unit is used for transmitting communication signals between the control unit and the electric automobile central control unit.
2. The controller according to claim 1, wherein: the control unit comprises a single chip microcomputer, and an I/0 pin of the single chip microcomputer is connected with the driving unit.
3. The controller according to claim 2, wherein: the single chip microcomputer is the single chip microcomputer with the model number of S9KEAZ128 AMLH.
4. The controller according to claim 2, wherein: the driving unit comprises a driving chip, the input end of the driving chip is connected with the single chip microcomputer, and the output end of the driving unit is connected with the motor.
5. The controller of claim 4, wherein: the driving chip adopts an A4960 chip.
6. The controller according to claim 1, wherein: the power supply unit comprises a TPS54061-Q1 chip, and the TPS54061-Q1 chip outputs 5V direct current to supply power to the whole circuit.
7. The controller according to claim 1, wherein: the communication unit comprises a TJA1050 chip, and a D pin and an R pin of the TJA1050 chip are connected with the control unit.
8. The controller of claim 7, wherein: and the CANH pin and the CANL pin of the TJA1050 chip are connected with an electrostatic protection unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144516.2A CN110962584A (en) | 2019-11-20 | 2019-11-20 | Controller for circulating water of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144516.2A CN110962584A (en) | 2019-11-20 | 2019-11-20 | Controller for circulating water of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110962584A true CN110962584A (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911144516.2A Pending CN110962584A (en) | 2019-11-20 | 2019-11-20 | Controller for circulating water of electric automobile |
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| Country | Link |
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| CN (1) | CN110962584A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203180009U (en) * | 2013-03-13 | 2013-09-04 | 安徽安凯汽车股份有限公司 | Water-cooled battery thermal management system of new energy automobile |
| CN204451998U (en) * | 2014-12-25 | 2015-07-08 | 潍柴动力股份有限公司 | Mixed power electric car cooling system |
| CN206678774U (en) * | 2017-04-28 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of electronic water pump control system of pure electric vehicle |
| CN206900162U (en) * | 2017-07-12 | 2018-01-19 | 南京越博动力系统股份有限公司 | A kind of cooling system of double-motor power system used for electric vehicle |
| US20180126840A1 (en) * | 2016-11-07 | 2018-05-10 | Hyundai Motor Company | System and method for controlling motor temperature for green car |
| EP3517335A1 (en) * | 2018-01-25 | 2019-07-31 | Toyota Jidosha Kabushiki Kaisha | Electric vehicle |
-
2019
- 2019-11-20 CN CN201911144516.2A patent/CN110962584A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203180009U (en) * | 2013-03-13 | 2013-09-04 | 安徽安凯汽车股份有限公司 | Water-cooled battery thermal management system of new energy automobile |
| CN204451998U (en) * | 2014-12-25 | 2015-07-08 | 潍柴动力股份有限公司 | Mixed power electric car cooling system |
| US20180126840A1 (en) * | 2016-11-07 | 2018-05-10 | Hyundai Motor Company | System and method for controlling motor temperature for green car |
| CN206678774U (en) * | 2017-04-28 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of electronic water pump control system of pure electric vehicle |
| CN206900162U (en) * | 2017-07-12 | 2018-01-19 | 南京越博动力系统股份有限公司 | A kind of cooling system of double-motor power system used for electric vehicle |
| EP3517335A1 (en) * | 2018-01-25 | 2019-07-31 | Toyota Jidosha Kabushiki Kaisha | Electric vehicle |
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Application publication date: 20200407 |
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