CN217135181U - Parallel system of energy storage battery pack of motor home - Google Patents
Parallel system of energy storage battery pack of motor home Download PDFInfo
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- CN217135181U CN217135181U CN202220056479.0U CN202220056479U CN217135181U CN 217135181 U CN217135181 U CN 217135181U CN 202220056479 U CN202220056479 U CN 202220056479U CN 217135181 U CN217135181 U CN 217135181U
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- battery
- charging
- discharge
- car
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Abstract
The utility model discloses a parallel system of car as a house energy storage battery group, its structure includes car as a house end MCU, parallel connection has a plurality of charging and discharging circuit that CAN accumulate and externally discharge on the car as a house end MCU, be connected with the whole car communication plug-in components of battery between charging and discharging circuit and the car as a house end MCU, charging and discharging circuit includes the anodal high-voltage plug-in components of battery of series connection in proper order on electric core, the fuse, the software protection shield, charging and discharging control module and battery negative pole high-voltage plug-in components, be equipped with the button switch who is used for controlling software protection shield work or dormancy on the software protection shield respectively and be used for carrying out the CAN line that communicates with the whole car communication plug-in components of battery, the utility model discloses CAN solve the backward flow problem of parallelly connected group battery effectively, for the safety promotion of parallelly connected group battery greatly the security, let the use that the customer is peaceful.
Description
The technical field is as follows:
the utility model belongs to the technical field of a car as a house energy storage battery design and specifically relates to a parallel system of car as a house energy storage group battery.
Background art:
the current new energy power battery is widely used, the living standard is provided, people travel tourism, particularly self-driving motor homes travel gradually and widely at home, the prior motor homes adopt lead-acid power supplies, and the lead-acid power supplies have the defects of low electric quantity, short service life, heavy volume, no protection system and the like; lithium batteries have become an important choice for standby power supplies of motor homes, wherein 12.8V100Ah is a conventional energy storage battery, and how to connect the batteries in parallel into 12.8V200Ah or even 12.8V400Ah is an important subject for ensuring the safety of the whole system.
The utility model has the following contents:
the utility model aims at providing a parallel system of car as a house energy storage group battery solves one or more among the above-mentioned prior art problem.
In order to solve the technical problem, the utility model provides a parallel system of car as a house energy storage group battery, its structure includes car as a house end MCU, and car as a house end MCU goes up parallel connection has a plurality of charging and discharging circuit that can accumulate and externally discharge, and its innovation point lies in: the battery whole vehicle communication plug-in is connected between the charging and discharging circuit and the motor home end MCU, the charging and discharging circuit comprises a battery anode high-voltage plug-in, a fuse, a software protection board, a charging and discharging control module and a battery cathode high-voltage plug-in which are sequentially connected in series on a battery core, and the software protection board is respectively provided with a key switch for controlling the software protection board to work or sleep and a CAN line for communicating with the battery whole vehicle communication plug-in.
Furthermore, the wiring end of the software protection board comprises a charging negative electrode pin, a discharging negative electrode pin, a CAN line pin and a weak current switch pin, the key switch is electrically connected with the weak current switch pin, the CAN line is electrically connected between the battery vehicle communication plug-in and the CAN line pin, and the charging and discharging control module comprises a charging control circuit and a discharging control circuit which are respectively connected in parallel to the charging negative electrode pin and the discharging negative electrode pin.
Furthermore, the charging control circuit is sequentially provided with a charging MOS tube and a charging cathode diode which enable the charging and discharging circuit to be conducted in a single direction.
Further, the discharge control circuit is provided with a discharge MOS tube and a discharge cathode diode which are used for conducting the charge and discharge circuit in a single direction.
The beneficial effects of the utility model reside in that:
1. the utility model provides a parallelly connected system of car as a house energy storage group battery can solve the backward flow problem of parallelly connected group battery effectively, for the safety promotion of parallelly connected group battery greatly the security, lets the use of customer's reassurance.
2. The utility model provides a parallel system of a motor home energy storage battery pack, which can provide a safe driving and protection navigation for a new energy battery; and the progress of social intellectualization, greening and pollution-free is promoted, and a powerful guarantee is provided.
Description of the drawings:
fig. 1 is a schematic circuit diagram of the present invention.
The specific implementation mode is as follows:
in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
As fig. 1 does the utility model discloses a concrete implementation mode, its structure includes car as a house end MCU9, parallel connection has a plurality of charging and discharging circuits that CAN accumulate and externally discharge on the car as a house end MCU9, be connected with the whole car communication plug-in components of battery 3 between charging and discharging circuit and the car as a house end MCU9, charging and discharging circuit includes the anodal high-voltage plug-in components 1 of battery of series connection in proper order on electric core 7, fuse 10, software protection shield 6, charging and discharging control module and the high-voltage plug-in components of battery negative pole 2, be equipped with the button switch 8 that is used for controlling the work of software protection shield 6 or dormancy on the software protection shield 6 respectively and be used for carrying out the CAN line that communicates with the whole car communication plug-in components of battery 3.
The utility model discloses in, as preferred scheme, the wiring end of above-mentioned software protection shield 6 is including the negative pole pin that charges, discharge negative pole pin, CAN line pin and weak current switch pin, and key switch 8 and weak current switch pin electricity are connected, and CAN line electricity is connected between battery whole car communication plug-in components 3 and CAN line pin, and charge and discharge control module is including the charge control circuit, the discharge control circuit of the negative pole pin that charge, discharge respectively parallel connection at the negative pole pin that charges.
The utility model discloses in, as preferred scheme, be equipped with the MOS pipe that charges and the negative pole diode 4 that charges that make charge-discharge circuit one-way switch on the above-mentioned control circuit that charges in proper order.
The utility model discloses in, as preferred scheme, be equipped with the MOS pipe that discharges and the negative pole diode 5 that discharges that make charge-discharge circuit one-way switch on in proper order on the above-mentioned control circuit that discharges.
In the utility model, the working principle of the energy storage battery pack of the motor home is as follows;
1. the key switch 8 is closed, and the software protection board 6 is opened to work;
2. the software protection board 6 communicates with the motor home end MCU9 through a CAN line communication network;
3) the caravan end MCU9 confirms that a plurality of groups of battery packs are connected in parallel at present and the working states of related battery packs are determined through the information of the CAN line communication network;
4) the motor home end MCU9 tells the software protection board 6 the working state required to be carried out through the CAN line communication network according to the motor home requirement; such as: when the electric core 7 of the motor home needs to discharge, the motor home end MCU9 tells the software protection board 6 to enter a discharge state through the CAN line communication network, and the software protection board 6 automatically closes the discharge MOS tube to participate in the discharge of the motor home after receiving a discharge instruction of the motor home end MCU 9;
5) if the software protection board 6 detects that the current battery pack needs to exit from the current state due to other factors, the software protection board informs the recreational vehicle end MCU9 through the CAN line communication network, and the recreational vehicle end MCU9 feeds back instruction information through the CAN line communication network, after the software protection board 6 receives the information, the software protection board executes a command of the recreational vehicle end MCU9, disconnects the discharging MOS tube, and stops discharging.
The utility model discloses in, in view of the existence of charging negative pole diode 4 and discharging negative pole diode 5, and the MOS pipe that charges of software protection shield 6 and the MOS pipe that discharges can not be simultaneously under the closed condition, can solve parallelly connected backward flow problem of discharging effectively, greatly promote the safety problem of parallelly connected group battery, let the use group battery of customer's reassurance, peace and peace of mind.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a parallel system of car as a house energy storage group battery, its structure includes car as a house end MCU (9), car as a house end MCU (9) are gone up parallel connection and are gone up a plurality of charge-discharge circuit that can accumulate and externally discharge, its characterized in that: the battery full-vehicle communication plug-in unit comprises a charge-discharge circuit and a battery full-vehicle communication plug-in unit (3) connected between a motor home end MCU (9), wherein the charge-discharge circuit comprises a battery anode high-voltage plug-in unit (1), a fuse (10), a software protection board (6), a charge-discharge control module and a battery cathode high-voltage plug-in unit (2) which are sequentially connected in series on an electric core (7), and the software protection board (6) is respectively provided with a key switch (8) for controlling the software protection board (6) to work or sleep and a CAN line for communicating with the battery full-vehicle communication plug-in unit (3).
2. The parallel system of the energy storage battery packs of the caravan according to claim 1, wherein: the wiring end of the software protection board (6) comprises a charging negative electrode pin, a discharging negative electrode pin, a CAN line pin and a weak current switch pin, the key switch (8) is electrically connected with the weak current switch pin, the CAN line is electrically connected between the battery whole vehicle communication plug-in (3) and the CAN line pin, and the charging and discharging control module comprises a charging control circuit and a discharging control circuit which are respectively connected in parallel with the charging negative electrode pin and the discharging negative electrode pin.
3. The parallel system of the energy storage battery pack of the caravan according to claim 2, characterized in that: and the charging control circuit is sequentially provided with a charging MOS tube and a charging cathode diode (4) which enable the charging and discharging circuit to be conducted in a single direction.
4. The parallel system of the energy storage battery pack of the caravan according to claim 2, characterized in that: and the discharge control circuit is sequentially provided with a discharge MOS tube and a discharge cathode diode (5) which enable the charge and discharge circuit to be conducted in a single direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220056479.0U CN217135181U (en) | 2022-01-11 | 2022-01-11 | Parallel system of energy storage battery pack of motor home |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220056479.0U CN217135181U (en) | 2022-01-11 | 2022-01-11 | Parallel system of energy storage battery pack of motor home |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217135181U true CN217135181U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220056479.0U Active CN217135181U (en) | 2022-01-11 | 2022-01-11 | Parallel system of energy storage battery pack of motor home |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217135181U (en) |
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2022
- 2022-01-11 CN CN202220056479.0U patent/CN217135181U/en active Active
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