CN219420317U - Overcharge protection device is prevented to automobile-used lead acid battery - Google Patents
Overcharge protection device is prevented to automobile-used lead acid battery Download PDFInfo
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- CN219420317U CN219420317U CN202222342359.XU CN202222342359U CN219420317U CN 219420317 U CN219420317 U CN 219420317U CN 202222342359 U CN202222342359 U CN 202222342359U CN 219420317 U CN219420317 U CN 219420317U
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- storage battery
- battery
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- acquisition unit
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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
The utility model relates to the technical field of lead-acid storage batteries, in particular to an overcharge protection device for a vehicle lead-acid battery, which is provided with a system embedded module, wherein the system embedded module is internally arranged in a shell of the storage battery and comprises a voltage acquisition unit and an equalization control unit, the voltage acquisition unit is connected with the storage battery and is used for monitoring the voltage of the storage battery, the equalization control unit is connected with the storage battery and is used for carrying out shunt protection on the storage battery, and the voltage acquisition unit is connected with the equalization control unit and is used for transmitting control information; the utility model provides the anti-overcharge protection device for the vehicle lead-acid battery, which has a simple structure, ensures the reliability and the safety of the battery in use and prolongs the service life of the battery.
Description
Technical Field
The utility model relates to the technical field of lead-acid storage batteries, in particular to an overcharge protection device for a vehicle lead-acid battery.
Background
Lead acid batteries (VRLA), which are batteries in which the electrodes are made mainly of lead and its oxides and the electrolyte is a sulfuric acid solution. In a discharge state of the lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in the charged state, the main components of the anode and the cathode are lead sulfate. The lead-acid battery has relatively high safety and cost performance and is recyclable, so that the lead-acid battery is widely applied to standby energy of electric vehicles.
At present, in practical application scenes, due to the fact that a charger charge management function is invalid or the battery is produced and manufactured, after the battery is used for a period of time, the problem that the charger still continues to charge the battery after the battery is fully charged easily occurs, if the battery is invalid for a long time, the reliability of the use of the storage battery and the service life of the storage battery are affected, and if the battery is heavy, safety accidents such as fire disaster and the like can be caused.
Disclosure of Invention
The utility model aims to overcome the defects and the shortcomings of the prior art, and provides the anti-overcharge protection device for the vehicle lead-acid battery, which has a simple structure, ensures the reliability and the safety of the battery in use and prolongs the service life of the battery.
The technical scheme for realizing the aim of the utility model is as follows: the utility model provides a vehicle lead acid battery prevents overcharge protection device, has the embedded module of system, the embedded module of system embeds the casing of battery, the embedded module of system includes voltage acquisition unit and balanced control unit, voltage acquisition unit is connected with the battery for monitor the voltage of battery, balanced control unit is connected with the battery, is used for carrying out the reposition of redundant personnel protection to the battery, voltage acquisition unit is connected with balanced control unit for transmission control information.
Further, the equalization control unit comprises an alarm subunit and an equalization subunit, wherein the alarm subunit performs early warning according to the control information, and the equalization subunit starts or closes the shunt protection function according to the control information.
Further, the alarm subunit comprises an indicator light and a buzzer.
Further, the voltage acquisition unit is connected with the balance control unit through internal integration.
Further, the system embedded module is in a dormant state when the storage battery works normally.
Further, the charging voltage of the storage battery is 14.5V-15.0V.
After the technical scheme is adopted, the utility model has the following positive effects:
(1) According to the utility model, through the arrangement of the embedded module of the system, the working voltage of the storage battery is monitored in real time, when the working voltage acquired by the voltage acquisition unit is greater than the set trigger voltage, the balance control unit performs shunt protection operation on the storage battery, and redundant electric energy of the storage battery is converted into heat energy and light energy to be released, so that the normal operation of the storage battery is ensured, the reliability and safety of the use of the storage battery are improved, and the service life of the storage battery is prolonged;
(2) According to the utility model, through the arrangement of the alarm subunit, when the working voltage acquired by the voltage acquisition unit is greater than the set trigger voltage, the indicator lamp and the buzzer perform early warning, so that the dangerous case can be found directly;
(3) The embedded module of the system is in a dormant state when the storage battery normally works, and works only when the storage battery is overcharged, so that the energy saving is realized.
Drawings
In order that the utility model may be more readily and clearly understood, a further detailed description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a frame diagram of a system embedded module of the present utility model;
FIG. 3 is a flow chart of the operation of the system embedded module of the present utility model.
In the figure: 1. a system embedded module; 11. a voltage acquisition unit; 12. an equalization control unit; 121. an alarm subunit; 122. an equalization subunit; 2. and a storage battery.
Detailed Description
Example 1
As shown in fig. 1 and fig. 2, an overcharge protection device for a vehicle lead-acid battery is provided with a system embedded module 1, the system embedded module 1 is arranged in a shell of a storage battery 2, the system embedded module 1 comprises a voltage acquisition unit 11 and an equalization control unit 12, the voltage acquisition unit 11 is connected with the storage battery 2 and is used for monitoring the voltage of the storage battery 2, the equalization control unit 12 is connected with the storage battery 2 and is used for carrying out shunt protection on the storage battery 2, the voltage acquisition unit 11 is connected with the equalization control unit 12 and is used for transmitting control information, through the arrangement of the system embedded module 1, the working voltage of the storage battery 2 is monitored in real time, when the working voltage acquired by the voltage acquisition unit 11 is greater than a set trigger voltage, the equalization control unit 12 carries out shunt protection operation on the storage battery 2, redundant electric energy of the storage battery 2 is converted into heat energy and light energy, normal operation of the storage battery 2 is guaranteed, and thus the reliability and safety of the use of the storage battery 2 are improved, and the service life of the storage battery 2 is prolonged. The system embedded module 1 is integrated and built in the shell of the storage battery 2, and does not need to be externally arranged, so that the installation and the external dimension of the existing storage battery 2 are not affected. Specifically, the storage battery 2 is selected from the vehicle storage battery 6-QTF-100, the charging voltage is 14.5V-15.0V, the voltage acquisition unit 11 is directly connected with the anode and the cathode of the storage battery 2, and the voltage acquisition unit 11 is connected with the balance control unit 12 through internal integration, so that the battery has the waterproof, acid-base resistant and protective functions.
The equalization control unit 12 includes an alarm subunit 121 and an equalization subunit 122, where the alarm subunit 121 performs early warning according to control information, and the equalization subunit 122 turns on or off the shunt protection function according to the control information. Specifically, the alarm subunit 121 includes an indicator light and a buzzer, and when the equalization subunit 122 performs the shunt protection operation, the redundant electric energy of the storage battery 2 is converted into heat energy and a form of the heat energy to be released, and meanwhile, the indicator light and the buzzer perform early warning, so that the dangerous situation can be found directly.
The system embedded module 1 is in a dormant state when the storage battery 2 works normally, and works only when the storage battery 2 is overcharged, so that the energy saving is realized.
As shown in fig. 3, when the system embedded module 1 is in a sleep state during operation, when the working voltage acquired by the voltage acquisition unit 11 is greater than or equal to a preset trigger voltage, the system embedded module 1 is not in sleep any more, the voltage acquisition unit 11 transmits a protection instruction to the equalization control unit 12, the equalization subunit 122 performs a shunt protection operation on the storage battery 2, and meanwhile, the alarm subunit 121 performs early warning, and when the working voltage acquired by the voltage acquisition unit 11 is restored to be below the preset trigger voltage, the system embedded module 1 enters the sleep state again.
Example 2
The practical applicability of the overcharge protection device of example 1 was verified in this example, and the following is concrete:
(1) The storage battery 2 with the embedded system module 1 is installed in an engine cabin of an automobile according to the conventional operation;
(2) Starting the automobile, charging the storage battery 2, and when the voltage of the storage battery 2 is lower than 15V, testing the voltage acquisition unit 11 and the balance control unit 12 by using a current transformer (not shown in the figure), wherein no current passes through the test, so that the system embedded module 1 is in a dormant state;
(3) Continuously charging, when the indicator lamp and the buzzer give an early warning, measuring the charging voltage of the storage battery 2 to be 15.2V, testing the voltage acquisition unit 11 and the balance control unit 12 by using a current transformer, and testing that current passes through, wherein the system embedded module 1 works at the moment;
(4) In contrast, the battery 2, on which the system embedded module 1 is not mounted, is tested in the same time, and in the same test time, the charging voltage of the battery 2 is 16V, which is significantly higher than the normal charging voltage, and there is a safety risk.
Therefore, the overcharge protection device can be used for effectively preventing the occurrence of risk accidents.
While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, and improvements may be made within the spirit and principles of the utility model.
Claims (6)
1. An overcharge protection device is prevented to automobile-used lead acid battery, its characterized in that: the system is characterized by comprising a system embedded module (1), wherein the system embedded module (1) is arranged in a shell of the storage battery (2), the system embedded module (1) comprises a voltage acquisition unit (11) and an equalization control unit (12), the voltage acquisition unit (11) is connected with the storage battery (2) and used for monitoring the voltage of the storage battery (2), the equalization control unit (12) is connected with the storage battery (2) and used for carrying out shunt protection on the storage battery (2), and the voltage acquisition unit (11) is connected with the equalization control unit (12) and used for transmitting control information.
2. The overcharge protection device for vehicular lead acid batteries of claim 1 wherein: the equalization control unit (12) comprises an alarm subunit (121) and an equalization subunit (122), the alarm subunit (121) performs early warning according to control information, and the equalization subunit (122) starts or closes a shunt protection function according to the control information.
3. The overcharge protection device for vehicular lead acid batteries of claim 2, wherein: the alarm subunit (121) includes an indicator light and a buzzer.
4. The overcharge protection device for vehicular lead acid batteries of claim 1 wherein: the voltage acquisition unit (11) is connected with the balance control unit (12) through internal integration.
5. An overcharge protection device for automotive lead acid batteries as claimed in any one of claims 1 to 4, wherein: the system embedded module (1) is in a dormant state when the storage battery (2) works normally.
6. The overcharge protection device for automotive lead acid batteries of claim 5, wherein: the charging voltage of the storage battery (2) is 14.5V-15.0V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222342359.XU CN219420317U (en) | 2022-09-02 | 2022-09-02 | Overcharge protection device is prevented to automobile-used lead acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222342359.XU CN219420317U (en) | 2022-09-02 | 2022-09-02 | Overcharge protection device is prevented to automobile-used lead acid battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219420317U true CN219420317U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222342359.XU Active CN219420317U (en) | 2022-09-02 | 2022-09-02 | Overcharge protection device is prevented to automobile-used lead acid battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219420317U (en) |
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2022
- 2022-09-02 CN CN202222342359.XU patent/CN219420317U/en active Active
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