CN210956925U - Constant temperature system for storage battery of electric automobile - Google Patents
Constant temperature system for storage battery of electric automobile Download PDFInfo
- Publication number
- CN210956925U CN210956925U CN201922455775.9U CN201922455775U CN210956925U CN 210956925 U CN210956925 U CN 210956925U CN 201922455775 U CN201922455775 U CN 201922455775U CN 210956925 U CN210956925 U CN 210956925U
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- China
- Prior art keywords
- controller
- storage battery
- relay module
- pin
- temperature sensor
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A constant temperature system for an electric vehicle storage battery comprises a temperature sensor, a controller, a relay module and a heater; the temperature sensor and the heater are arranged in the storage battery box body, and the controller and the relay module are arranged in a wiring harness box of the electric vehicle; the temperature sensor is electrically connected with the input end of the controller, the relay module is electrically connected with the output end of the controller, and a normally open contact of the relay module is connected in series in a power supply of the heater; the temperature sensor transmits a temperature signal detected in real time to the controller, when the temperature in the storage battery box body is lower than a set temperature, the controller controls the relay module to close the heater circuit, and the heater circuit heats the storage battery box body after being switched on. The utility model discloses a battery constant temperature system makes battery operating temperature change little, and battery discharge time and capacity are stable, have improved the job stabilization nature of battery, have prolonged the life of battery, have reduced the use maintenance cost of battery.
Description
Technical Field
The utility model relates to an electric vehicle field, concretely relates to electric automobile battery constant temperature system.
Background
The storage environment temperature of the storage battery has a great influence on the service life of the storage battery. When the temperature rises, the corrosion of the plates of the battery is increased, thereby shortening the life of the battery. When the temperature decreases, the activity of the battery decreases and the chemical reaction rate becomes slow. The storage battery can obtain longer service life only when working at the designed temperature, and the service life of the storage battery can be reduced when the working temperature is higher than the designed working temperature for a long time; when the temperature is lower than the designed temperature, the discharge capacity of the storage battery is reduced again. Due to the change of the environmental temperature, the storage battery works unstably, and the service life is reduced.
Disclosure of Invention
The utility model provides an electric automobile battery constant temperature system controls the operating temperature of battery through constant temperature system, improves the job stabilization nature and the life of battery.
The utility model discloses realize according to following technical scheme:
a constant temperature system for an electric vehicle storage battery comprises a temperature sensor, a controller, a relay module and a heater; the temperature sensor and the heater are arranged in the storage battery box body, and the controller and the relay module are arranged in a wiring harness box of the electric vehicle; the temperature sensor is electrically connected with the input end of the controller, the relay module is electrically connected with the output end of the controller, and a normally open contact of the relay module is connected in series in a power supply of the heater; the temperature sensor transmits a temperature signal detected in real time to the controller, when the temperature in the storage battery box body is lower than a set temperature, the controller controls the relay module to close the heater circuit, and the heater circuit heats the storage battery box body after being switched on.
Furthermore, the controller is formed by connecting a reset circuit, a crystal oscillator circuit and a single chip microcomputer.
Furthermore, the singlechip adopts an STC89C51 chip.
Further, the temperature sensor adopts a DS18B20 chip.
Further, a pin 1 of the temperature sensor is a power signal end, a pin 2 is an output terminal of a signal acquisition signal, and a pin 3 is a ground signal terminal; pin 1 is electrically connected with pin P1.0 of the STC89C51 type singlechip; pin 2 is electrically connected with pin P1.1 of the STC89C51 type single chip microcomputer.
Further, the relay module comprises a coil, a normally open contact, a triode Q1 and a resistor R1; an emitting electrode of the triode Q1 is connected with a power supply, a base electrode of the triode Q1 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with a pin P3.4 of the STC89C51 type single chip microcomputer, a collector electrode of the triode Q1 is connected with a coil, and a normally-open contact is connected with the charging circuit in series.
The utility model discloses beneficial effect:
the utility model discloses a battery constant temperature system makes battery operating temperature change little, and battery discharge time and capacity are stable, have improved the job stabilization nature of battery, have prolonged the life of battery, have reduced the use maintenance cost of battery.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic diagram of the constant temperature system of the present invention;
fig. 3 is a circuit diagram of a thermostat system.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the constant temperature system for the storage battery of the electric automobile comprises a temperature sensor 10, a controller, a relay module and a heater 20; the temperature sensor 10 and the heater 20 are disposed in a battery case 30, and the controller and the relay module are installed in a harness case of the electric vehicle; the temperature sensor 10 is electrically connected with the input end of the controller, the relay module is electrically connected with the output end of the controller, and the normally open contact of the relay module is connected in series in the power supply of the heater 20; the temperature sensor 10 transmits a temperature signal detected in real time to the controller, when the temperature in the battery box 30 is lower than a set temperature, the controller controls the relay module to close the circuit of the heater 20, and the circuit of the heater 20 is conducted to heat the battery box 30, so that the working temperature of the battery 40 is controlled, and the working stability and the service life of the battery 40 are improved.
The above embodiments are given below with respect to a preferred embodiment of the controller:
the controller is formed by connecting a reset circuit, a crystal oscillator circuit and a single chip microcomputer.
The preferred scheme is as follows: the single chip microcomputer adopts an STC89C51 type chip.
The following gives a preferred embodiment of the above embodiment with respect to a temperature sensor:
the temperature sensor adopts a DS18B20 chip. A pin 1 of the temperature sensor is a power supply signal end, a pin 2 is an output terminal of a signal acquisition signal, and a pin 3 is a grounding signal terminal; pin 1 is electrically connected with pin P1.0 of the STC89C51 type singlechip; pin 2 is electrically connected with pin P1.1 of the STC89C51 type single chip microcomputer.
The following gives a preferred embodiment of the above embodiment with respect to a relay module:
the relay module comprises a coil, a normally open contact, a triode Q1 and a resistor R1; an emitting electrode of the triode Q1 is connected with a power supply, a base electrode of the triode Q1 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with a pin P3.4 of the STC89C51 type single chip microcomputer, a collector electrode of the triode Q1 is connected with a coil, and a normally-open contact is connected with the charging circuit in series.
The emitter is off when the base of transistor Q1 is high and on when the base is low. When the power supply is connected, the whole circuit is in a working state. When the acquired data reaches the preset maximum value, the pin 3.4 of the STC89C52 chip goes low, and at this time, the transistor Q1 is turned on (equivalent to a wire), and the coil is powered on.
To sum up, the utility model discloses a battery constant temperature system makes battery operating temperature change little, and battery discharge time and capacity are stable, have improved the job stabilization nature of battery, have prolonged the life of battery, have reduced the use maintenance cost of battery.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (6)
1. The utility model provides an electric automobile battery constant temperature system which characterized in that: the device comprises a temperature sensor, a controller, a relay module and a heater;
the temperature sensor and the heater are arranged in the storage battery box body, and the controller and the relay module are arranged in a wiring harness box of the electric vehicle;
the temperature sensor is electrically connected with the input end of the controller, the relay module is electrically connected with the output end of the controller, and a normally open contact of the relay module is connected in series in a power supply of the heater;
the temperature sensor transmits a temperature signal detected in real time to the controller, when the temperature in the storage battery box body is lower than a set temperature, the controller controls the relay module to close the heater circuit, and the heater circuit heats the storage battery box body after being switched on.
2. The constant temperature system for the storage battery of the electric automobile according to claim 1, characterized in that: the controller is formed by connecting a reset circuit, a crystal oscillator circuit and a single chip microcomputer.
3. The constant temperature system for the storage battery of the electric automobile according to claim 2, characterized in that: the single chip microcomputer adopts an STC89C51 type chip.
4. The constant temperature system for the storage battery of the electric automobile according to claim 1, characterized in that: the temperature sensor adopts a DS18B20 chip.
5. The constant temperature system for the storage battery of the electric automobile according to claim 4, characterized in that: a pin 1 of the temperature sensor is a power supply signal end, a pin 2 is an output terminal of a signal acquisition signal, and a pin 3 is a grounding signal terminal;
pin 1 is electrically connected with pin P1.0 of the STC89C51 type singlechip; pin 2 is electrically connected with pin P1.1 of the STC89C51 type single chip microcomputer.
6. The constant temperature system for the storage battery of the electric automobile according to claim 1, characterized in that: the relay module comprises a coil, a normally open contact, a triode Q1 and a resistor R1;
an emitting electrode of the triode Q1 is connected with a power supply, a base electrode of the triode Q1 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with a pin P3.4 of the STC89C51 type single chip microcomputer, a collector electrode of the triode Q1 is connected with a coil, and a normally-open contact is connected with the charging circuit in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455775.9U CN210956925U (en) | 2019-12-31 | 2019-12-31 | Constant temperature system for storage battery of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455775.9U CN210956925U (en) | 2019-12-31 | 2019-12-31 | Constant temperature system for storage battery of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210956925U true CN210956925U (en) | 2020-07-07 |
Family
ID=71377173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922455775.9U Expired - Fee Related CN210956925U (en) | 2019-12-31 | 2019-12-31 | Constant temperature system for storage battery of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210956925U (en) |
-
2019
- 2019-12-31 CN CN201922455775.9U patent/CN210956925U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20211231 |