CN219393483U

CN219393483U - Automobile power battery simulation device

Info

Publication number: CN219393483U
Application number: CN202222829973.9U
Authority: CN
Inventors: 于娇
Original assignee: Chery New Energy Automobile Co Ltd
Current assignee: Chery New Energy Automobile Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-07-21
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses an automobile power battery simulation device, which is provided with at least one battery module, wherein the top of the battery module is provided with a binding post, two poles of a power battery formed by the battery module are connected with a power supply socket through a wire, the device is provided with an adjustable resistor, and two ends of the adjustable resistor are provided with binding posts for being used as an access circuit for replacing a temperature sensor in the battery module. The battery simulation device can be assembled and regulated according to the needs, so that the design and the debugging of a battery management system are greatly facilitated, and the cost investment of a battery part in the test is reduced.

Description

Automobile power battery simulation device

Technical Field

The utility model relates to the field of new energy automobiles, in particular to a Battery Management System (BMS) technology of a lithium ion battery electric automobile.

Background

With the rapid development of electric automobiles, the installed amount of lithium ion batteries is also increasing year by year. In order to protect the battery pack, prevent overcharge and overdischarge, prolong the service life of the battery, monitor the state of the battery pack, and the battery management system is necessary. In the design and debugging process of the battery management system, the battery module cannot be separated, and the battery simulation device is designed to facilitate debugging and testing because the battery module of the electric automobile is huge.

Currently, an electric automobile battery module is applied, and the battery module consists of a plurality of lithium ion batteries which are connected in series or in parallel, a copper plate and the like. The battery module of the electric automobile has large volume and heavy weight, and has certain danger under the condition of no perfect monitoring, and is not suitable for the development stage of a battery management system.

Disclosure of Invention

The utility model aims to solve the technical problem of realizing an electric automobile power battery simulation device suitable for research, development and test.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an automobile power battery analogue means, the device is equipped with at least one battery module, battery module's top is equipped with the terminal, power battery that battery module constitutes is two poles of the earth and is connected the power supply socket through the wire, and the device is equipped with adjustable resistance, adjustable resistance both ends are equipped with the terminal for as the inside temperature sensor access circuit of substitution battery module.

The device is provided with a battery box tray for placing battery modules, a plurality of sunken placing grooves are arranged on the battery box tray, and the placing grooves are in clearance fit with the bottoms of the battery modules in size.

The bottom of battery module side is equipped with two at least fixed plates that laterally stretch out, be equipped with the fixed orifices on the fixed plate, place the periphery of recess and be equipped with the fixed column that corresponds with the fixed orifices position.

The fixed columns are threaded columns, and each fixed column is provided with a fixed nut.

The battery box tray is provided with a box cover, and a notch for extending the lead is arranged on the upper edge of the battery box tray.

The top of the box cover is provided with a concave storage area, and the side surface of the box cover is provided with a C-shaped wire clamping device.

And a rubber gasket layer is arranged at the bottom of the placement groove.

The battery simulation device can be assembled and regulated according to the needs, so that the design and the debugging of a battery management system are greatly facilitated, and the cost investment of a battery part in the test is reduced.

Drawings

The contents of each drawing in the specification of the present utility model are briefly described as follows:

FIG. 1 is a schematic diagram of an automotive power cell simulation apparatus;

FIG. 2 is a schematic view of a placement tray structure;

the labels in the above figures are: 1. a battery module; 2. binding posts; 3. a wire; 4. a fixing plate; 5. an adjustable resistor; 6. a power supply socket; 7. a battery case tray; 8. placing the groove; 9. and fixing the column.

Detailed Description

The following detailed description of the embodiments of the utility model, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operating and using method, etc., is provided to assist those skilled in the art in a more complete, accurate and thorough understanding of the inventive concept and technical solution of the present utility model.

The automobile power battery simulation device is used for simulating a power battery through combining a plurality of small-capacity battery modules 1, a small-capacity rechargeable battery is used for replacing an electric automobile power battery pack, the battery management system can be provided with single-cell voltage, capacity, charging and discharging working conditions and the like of a required serial number, the structures of the battery modules 1 of each single cell are the same, the battery cells are fixed in a shell, the top of the shell is provided with binding posts 2, one is an anode binding post 2, the other is a cathode binding post 2, and the battery modules 1 can be connected in series through power lines with wire clamps at two ends.

The two poles of the two ends of the battery module 1 which are connected in series form a power battery, the two poles of the two ends of the battery module are connected with a power supply socket 6 through a lead 3, namely, the battery module which is connected in series at the end part is connected with the lead 3 in a positive electrode and a negative electrode, the device is provided with an adjustable resistor 5, the two ends of the adjustable resistor 5 are provided with terminals for electric connection, the adjustable resistor 5 can be connected into the device through the lead connection terminals, the adjustable resistor 5 can replace a temperature sensor in the battery module, the power supply socket 6 is used as high-voltage power supply output, the power supply socket 6 is connected with an interface of electric equipment to be tested, the adjustable resistor 5 is used for setting and adjusting the resistance value according to the installation requirement of the temperature sensor of the device, for example, the adjustable resistor 5 can be connected with the power supply socket 6 in parallel, and then the power battery is connected with the whole simulation power battery in parallel.

For convenient mobile device to can constitute an integral part with the device, as shown in fig. 2, can set up a battery box tray 7, battery box tray 7 bottom is listed as and is had a plurality of sunken placing groove 8, generally the horizontal and vertical neatly arrange, placing groove 8 and the bottom clearance fit of size and battery module 1, placing groove 8 bottom is equipped with the rubber gasket layer, vibrations abnormal sound between battery module 1 and the battery box tray 7 when can letting avoid removing, also can let battery module 1 place more steadily, the bottom of battery module 1 side is equipped with two fixed plates 4 that laterally stretch out, as shown in fig. 1, the both sides of battery module 1 are equipped with two fixed plates 4 respectively, fixed plate 4 is the board that the level set up, with the shell rigid coupling of battery module 1, be equipped with the fixed orifices on the fixed plate 4, place the periphery of groove 8 be equipped with fixed column 9 that corresponds with the fixed orifices position, clearance fit between fixed column 9 and the fixed orifices, can make battery module 1 more reliably fix in battery box tray 7, fixed column 9 is the screw-thread post in addition, every fixed column 9 is furnished with fixation nut.

The battery box tray 7 is provided with a box cover, the box cover is of a higher bulge structure, the lower battery module 1 can be accommodated when the battery box tray 7 is buckled, a connecting structure in a buckling mode can be arranged between the battery box tray 7 and the box cover, a notch for the wires 3 to extend is formed in the upper edge of the battery box tray 7, the wires 3 can extend out after the box cover is buckled conveniently, in addition, the top of the box cover is provided with a concave storage area, a power supply jack 6, an adjustable resistor 5 and the like can be placed at the top of the box cover during the period, a C-shaped wire clamping device is arranged on the side face of the box cover, the wires 3 are fixed conveniently by the aid of the wire clamping device, and accordingly the whole simulation device is integral and can be moved conveniently, and the design and the debugging of a battery management system are facilitated to a great extent.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.

Claims

1. An automobile power battery simulation device is provided with at least one battery module, the top of the battery module is provided with a binding post, and the device is characterized in that: the power battery two poles formed by the battery modules are connected with a power supply socket through wires, the device is provided with an adjustable resistor, and two ends of the adjustable resistor are provided with wiring terminals for being used as an access circuit for replacing a temperature sensor inside the battery modules.

2. The automotive power cell simulation apparatus according to claim 1, wherein: the device is provided with a battery box tray for placing battery modules, a plurality of sunken placing grooves are arranged on the battery box tray, and the placing grooves are in clearance fit with the bottoms of the battery modules in size.

3. The automotive power cell simulation apparatus according to claim 2, wherein: the bottom of battery module side is equipped with two at least fixed plates that laterally stretch out, be equipped with the fixed orifices on the fixed plate, place the periphery of recess and be equipped with the fixed column that corresponds with the fixed orifices position.

4. A vehicle power cell simulation device according to claim 3, wherein: the fixed columns are threaded columns, and each fixed column is provided with a fixed nut.

5. The automotive power cell simulation apparatus according to claim 4, wherein: the battery box tray is provided with a box cover, and a notch for extending the lead is arranged on the upper edge of the battery box tray.

6. The automotive power cell simulation apparatus according to claim 5, wherein: the top of the box cover is provided with a concave storage area, and the side surface of the box cover is provided with a C-shaped wire clamping device.

7. The automotive power cell simulation apparatus according to any one of claims 2 to 6, wherein: and a rubber gasket layer is arranged at the bottom of the placement groove.