CN213185548U - Electric vehicle battery charging protector - Google Patents
Electric vehicle battery charging protector Download PDFInfo
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- CN213185548U CN213185548U CN202021590929.1U CN202021590929U CN213185548U CN 213185548 U CN213185548 U CN 213185548U CN 202021590929 U CN202021590929 U CN 202021590929U CN 213185548 U CN213185548 U CN 213185548U
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- circuit
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- battery charging
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model relates to the technical field of battery charging, in particular to an electric vehicle battery charging protector, which comprises a power supply circuit, a battery charging circuit, a temperature sensing circuit and a switch circuit, wherein an electrical control element for controlling the on-off of the circuit is connected in series between the temperature sensing circuit and the battery charging circuit, the temperature sensing circuit can detect the temperature of a battery, and a temperature display circuit can display the current temperature, if the current temperature exceeds the preset highest temperature, the electrical control element starts to work to disconnect the battery charging circuit; when the temperature of the battery of the electric vehicle is lower than the preset working temperature, the battery charging circuit is communicated, and the battery of the electric vehicle is normally electrified. The temperature of the battery is kept within a specified value by monitoring the temperature of the battery in real time and controlling the charging of the battery in the process, so that the battery is protected, the problems of bulging and the like of the battery are reduced, the service life of the battery is prolonged, and the danger caused by ignition or detonation of the battery is avoided.
Description
Technical Field
The utility model relates to a battery charging technology field especially relates to an electric motor car battery charging protector.
Background
The charging temperature of the battery of the present electric vehicle can be increased along with the increase of the charging time when charging, the heat generated by the battery and the released heat reach balance after the temperature is increased to a certain value, the temperature is not increased any more, but the temperature of the battery still can cause certain damage to the battery at the moment, the problem of bulging and the like of the battery can occur in the past for a long time, thereby the service life of the battery is reduced, the maintenance cost of a user is increased, when the battery is poor, if the temperature of the battery cannot be reasonably controlled, the battery can be ignited or detonated after the temperature of the battery reaches a certain degree, irreparable economic loss is caused, and certain damage to the human body can be caused.
SUMMERY OF THE UTILITY MODEL
To the current situation of above-mentioned prior art, the utility model provides an electric motor car battery charging protector to solve above-mentioned technical problem.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides an electric motor car battery charging protector, includes supply circuit, battery charging circuit, temperature sensing circuit and switch circuit, battery charging circuit connects gradually the temperature sensing circuit with switch circuit, the temperature sensing circuit with it has the electric control element of control circuit break-make to establish ties between the battery charging circuit, switch circuit's output is connected electric control element, supply circuit's output is connected battery charging circuit's input with the input of temperature sensing circuit, the temperature sensing circuit with it has the temperature display circuit to establish ties between the switch circuit.
By adopting the technical scheme, when the circuit works, the temperature sensing circuit can detect the temperature of the battery, the temperature display circuit can display the current temperature, if the current temperature exceeds the preset highest temperature, an electric signal is sent to the integrated circuit chip, the integrated circuit chip can change the voltage between the integrated circuit chip and the B pole of the triode T1, and the E pole and the C pole of the triode are disconnected at the moment, so that the electric control element starts to work to disconnect the battery charging circuit; when the temperature of the electric vehicle battery is lower than the preset working temperature, an electric signal is sent to the integrated circuit chip, the integrated circuit chip can change the voltage between the integrated circuit chip and the B pole of the triode T1, the E pole and the C pole of the triode are conducted at the moment, the battery charging circuit is communicated, and the electric vehicle battery is normally electrified. The temperature of the battery is kept within a specified value by monitoring the temperature of the battery in real time and controlling the charging of the battery in the process, so that the battery is protected, the problems of bulging and the like of the battery are reduced, the service life of the battery is prolonged, and the danger caused by ignition or detonation of the battery is avoided.
The temperature sensing circuit is characterized in that a temperature measuring chip is connected in series between the electric control element and the temperature sensing circuit, the output end of the temperature measuring chip is also connected with a function setting circuit, and the output end of the function setting circuit is connected with the temperature display circuit.
By adopting the technical scheme, the temperature measuring chip can monitor the temperature of the battery and send a temperature signal to the integrated circuit chip, the function setting circuit can provide a function of realizing preset highest temperature, a warning function is provided for a user, and the temperature can be displayed from the temperature display circuit.
It is further provided that the electrical control element comprises a coil connected to the temperature measuring chip and a contact connected to the surface of the battery.
By adopting the technical scheme, when the temperature is in a normal range, the coil is electrified, and the contact is kept connected with the battery; when the temperature exceeds the maximum temperature, the coil is not energized and the contacts in the electrical control element are separated from the battery, thereby breaking the circuit and preventing burning out of the battery.
The function setting circuit comprises a first touch switch, a second touch switch and a third touch switch, one end of the first touch switch is connected with the temperature measuring chip, the other end of the first touch switch is connected with the integrated circuit chip, one end of the second touch switch is connected with the temperature measuring chip, the other end of the second touch switch is connected with the integrated circuit chip, one end of the third touch switch is connected with the temperature measuring chip, and the other end of the third touch switch is connected with the integrated circuit chip.
By adopting the technical scheme, the highest temperature and the working temperature can be preset by a user or a worker through the function setting circuit, and corresponding electric signals can be generated by pressing the corresponding first light touch switch, the second light touch switch or the third light touch switch.
Further, an LED lamp is connected between the temperature display circuit and the temperature sensing circuit.
By adopting the technical scheme, after the temperature sensing circuit is electrified, the LED lamp is lightened, and whether the temperature sensing circuit can work normally or not can be judged by arranging the LED lamp.
The temperature display circuit further comprises a display nixie tube, the display nixie tube is connected with the LED lamp, and the display nixie tube is further connected with the switch circuit and the integrated circuit chip.
By adopting the technical scheme, the display nixie tube can display the temperature of the battery in real time.
Compared with the prior art, the utility model has the advantages of:
the utility model provides an electric vehicle battery charging protector, including supply circuit, battery charging circuit, temperature sensing circuit and switching circuit, it has the electrical control element of control circuit break-make to establish ties between temperature sensing circuit and the battery charging circuit, and the temperature sensing circuit can detect the temperature of battery to temperature display circuit can show current temperature, if exceed the preset highest temperature, make the electrical control element begin work and let the battery charging circuit break; when the temperature of the battery of the electric vehicle is lower than the preset working temperature, the battery charging circuit is communicated, and the battery of the electric vehicle is normally electrified. The temperature of the battery is kept within a specified value by monitoring the temperature of the battery in real time and controlling the charging of the battery in the process, so that the battery is protected, the problems of bulging and the like of the battery are reduced, the service life of the battery is prolonged, and the danger caused by ignition or detonation of the battery is avoided.
Drawings
Fig. 1 is the structure schematic diagram of the electric vehicle battery charging protector of the utility model.
Detailed Description
As shown in fig. 1, the utility model discloses an electric motor car battery charging protector, including supply circuit, battery charging circuit, temperature sensing circuit, temperature display circuit, switch circuit and function setting circuit, battery charging circuit connects gradually temperature sensing circuit, temperature display circuit and switch circuit, has connected gradually electrical control element and temperature measurement chip between battery charging circuit and the temperature sensing circuit, and supply circuit connects temperature measurement chip, and function setting circuit connects between temperature measurement chip and temperature display circuit, is connected with the integrated circuit chip between function setting circuit and the temperature display circuit.
The switch circuit comprises a triode T1, the C pole of the triode T1 is connected with the temperature display circuit, the E pole of the triode T1 is connected with the electric control element, and the B pole of the triode T1 is connected with the integrated circuit chip. The electric control element comprises a coil connected with the temperature measuring chip and a contact connected with the surface of the battery. The function setting circuit comprises a first light touch switch, a second light touch switch and a third light touch switch, wherein one end of the first light touch switch is connected with the temperature measuring chip, the other end of the first light touch switch is connected with the integrated circuit chip, one end of the second light touch switch is connected with the temperature measuring chip, the other end of the second light touch switch is connected with the integrated circuit chip, one end of the third light touch switch is connected with the temperature measuring chip, and the other end of the third light touch switch is connected with the integrated circuit chip.
An LED lamp is connected between the output end of the temperature sensing circuit and the input end of the temperature display circuit, and the LED lamp is turned on after the temperature sensing circuit is electrified, so that whether the temperature sensing circuit can work normally or not can be judged by arranging the LED lamp. The temperature display circuit comprises a display nixie tube, the display nixie tube is connected with the LED lamp, the switch circuit and the integrated circuit chip, and the display nixie tube can display the temperature of the battery in real time.
The implementation principle of the embodiment is as follows: when the battery charging circuit is communicated with an external circuit, the power supply circuit starts charging, the electric vehicle battery starts charging at the moment, the temperature sensing circuit monitors the temperature of the electric vehicle battery in real time, a user or a worker can preset the maximum temperature and the working temperature through the function setting circuit, the corresponding first light touch switch, the second light touch switch or the third light touch switch can be pressed to generate corresponding electric signals, the integrated circuit chip can control the LED nixie tube to display corresponding data according to the obtained electric signals, when the temperature of the electric vehicle battery reaches the preset maximum temperature, the temperature measuring chip sends the electric signals to the integrated circuit chip, the integrated circuit chip can change the voltage between the integrated circuit chip and the B pole of the triode T1, the E pole and the C pole of the triode are disconnected, the coil is not electrified, the contact is separated, the battery charging circuit is disconnected, and the integrated circuit chip can also send the electric signals to the LED, the LED nixie tube is enabled to display the specific numerical value of the temperature of the electric vehicle battery constantly, when the temperature of the electric vehicle battery is lower than the preset working temperature, the temperature measuring chip sends an electric signal, the electric signal can be sent to the integrated circuit chip, the integrated circuit chip can change the voltage between the pole B of the triode T1, the pole E of the triode is conducted with the pole C at the moment, the coil is electrified, the contact is connected, the battery charging circuit is communicated, and the electric vehicle battery starts to be charged.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides an electric motor car battery charging protector, includes supply circuit, battery charging circuit, temperature sensing circuit and switch circuit, its characterized in that: the battery charging circuit is connected with the temperature sensing circuit and the switch circuit in sequence, an electric control element for controlling the on-off of the circuit is connected in series between the temperature sensing circuit and the battery charging circuit, the output end of the switch circuit is connected with the electric control element, the output end of the power supply circuit is connected with the input end of the battery charging circuit and the input end of the temperature sensing circuit, a temperature display circuit is connected in series between the temperature sensing circuit and the switch circuit, an integrated circuit chip is connected between the temperature display circuit and the power supply circuit, the output end of the integrated circuit is also connected with the switch circuit, the switch circuit comprises a triode T1, the C pole of the triode T1 is connected with the temperature display circuit, the E pole of the triode T1 is connected with the electric control element, and the B pole of the triode T1 is connected with the integrated circuit chip.
2. The electric vehicle battery charging protector of claim 1, wherein: the temperature sensing circuit is characterized in that a temperature measuring chip is connected in series between the electric control element and the temperature sensing circuit, the output end of the temperature measuring chip is also connected with a function setting circuit, and the output end of the function setting circuit is connected with the temperature display circuit.
3. The electric vehicle battery charging protector of claim 2, wherein: the electric control element comprises a coil connected with the temperature measuring chip and a contact connected with the surface of the battery.
4. A battery charging protector for electric vehicles according to claim 3, wherein: the function setting circuit comprises a first touch switch, a second touch switch and a third touch switch, wherein one end of the first touch switch is connected with the temperature measuring chip, the other end of the first touch switch is connected with the integrated circuit chip, one end of the second touch switch is connected with the temperature measuring chip, the other end of the second touch switch is connected with the integrated circuit chip, one end of the third touch switch is connected with the temperature measuring chip, and the other end of the third touch switch is connected with the integrated circuit chip.
5. The electric vehicle battery charging protector of claim 4, wherein: and an LED lamp is connected between the temperature display circuit and the temperature sensing circuit.
6. The electric vehicle battery charging protector of claim 5, wherein: the temperature display circuit comprises a display nixie tube, the display nixie tube is connected with the LED lamp, and the display nixie tube is further connected with the switch circuit and the integrated circuit chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021590929.1U CN213185548U (en) | 2020-08-04 | 2020-08-04 | Electric vehicle battery charging protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021590929.1U CN213185548U (en) | 2020-08-04 | 2020-08-04 | Electric vehicle battery charging protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213185548U true CN213185548U (en) | 2021-05-11 |
Family
ID=75798073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021590929.1U Active CN213185548U (en) | 2020-08-04 | 2020-08-04 | Electric vehicle battery charging protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213185548U (en) |
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2020
- 2020-08-04 CN CN202021590929.1U patent/CN213185548U/en active Active
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