CN220730381U

CN220730381U - Battery detection device

Info

Publication number: CN220730381U
Application number: CN202322365825.0U
Authority: CN
Inventors: 陈浩; 纵柱
Original assignee: Shanghai Testin Electronic Technology Co ltd
Current assignee: Shanghai Testin Electronic Technology Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-05
Anticipated expiration: 2033-08-31

Abstract

The utility model relates to the technical field of battery detection, in particular to a battery detection device, which comprises: a PCB circuit board on which a plurality of conductive metal wires are arranged; the conductive blocks are arranged at one end of the conductive metal wire and are electrically connected with the conductive metal wire; and one end of each test probe is detachably connected with the conductive block, and the other end of each test probe is used for connecting a detection point of a battery to be tested. Through adopting the design that PCB circuit board and test probe combined, can simplify the circuit arrangement of test probe for the circuit is more regular orderly, and the design conducting block carries out detachable installation to test probe, not only can guarantee that test probe and conductive metal wire's electricity is connected, also be convenient for install and dismantle test probe simultaneously, very big improvement detection efficiency. In addition, the PCB is of a plate-shaped structure, so that large-scale typesetting can be performed in rows and columns, large-scale testing can be performed, and the universality is stronger.

Description

Battery detection device

Technical Field

The utility model relates to the technical field of battery detection, in particular to a battery detection device.

Background

In the production process of the battery, the electric parameters such as current, voltage, battery cycle life and the like are required to be detected, and a graph is provided. For detecting the new energy battery by the high-current probe, firstly, the problem of the lead of the high-current probe is considered, a lead welding mode is generally adopted at present, a fixing clamp is needed to be used for the probe, and when the probe scale is large, the lead of the probe is too much, so that the lead is intricate. In addition, the soldering and mounting and dismounting of the probe is an important factor affecting the production efficiency.

Disclosure of Invention

The utility model aims to provide a battery detection device which at least solves one of the technical problems existing in the prior art that a new energy battery is detected by a probe.

In order to achieve the above object, the present utility model provides a battery detection device comprising:

a PCB circuit board on which a plurality of conductive metal wires are arranged;

the conductive blocks are arranged at one end of the conductive metal wire and are electrically connected with the conductive metal wire;

and one end of each test probe is detachably connected with the conductive block, and the other end of each test probe is used for connecting a detection point of a battery to be tested.

Optionally, the test probe is in threaded connection with the conductive block.

Optionally, the conductive block is internally provided with a threaded hole, and one end of the test probe is provided with an external thread adapted to the threaded hole.

Optionally, the conductive block includes a base and at least one column disposed on the base, the base is fixed on the PCB and electrically connected to the conductive metal wire, and the threaded hole extends into the column after penetrating through the base.

Optionally, a plurality of columns are disposed on the base, and the columns are arranged at equal intervals along the extending direction of the conductive metal wire.

Optionally, the base is welded and fixed on the PCB.

Optionally, a copper nose is further arranged at the other end of the conductive metal wire.

Optionally, the plurality of conductive metal wires are arranged on the PCB in parallel.

Optionally, the conductive metal wire is made of thick copper foil.

Optionally, the material of the PCB is thick copper.

The battery detection device provided by the utility model has at least one of the following beneficial effects:

1) Through adopting the design that PCB circuit board and test probe combined, can simplify the circuit arrangement of test probe for the circuit is more regular orderly, and design the conducting block and carry out detachable installation to test probe, not only can guarantee the electric connection of test probe and conductive metal wire, also be convenient for install and dismantle test probe simultaneously, very big improvement detection efficiency;

2) Because the PCB is of a plate-shaped structure, the PCB can be typeset in rows and columns in a large scale, and the PCB is subjected to large-scale test and has stronger universality;

3) The plurality of conductive metal wires are arranged on the PCB in parallel, so that the conductive metal wires with proper intervals can be conveniently selected for detection according to detection requirements, and further, the battery pack is suitable for more types of batteries with different sizes;

4) The plurality of columns can be arranged on the same base, so that the surface area of the conductive block can be increased, the heat dissipation effect of the conductive block is further increased, the test probes can be installed by selecting the columns at different positions according to the positions of the detection points of the battery to be tested, or the test with larger current can be adapted by selecting the plurality of columns to install the plurality of test probes, the use scene of the battery detection device is enriched, and the universality is stronger.

Drawings

It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the utility model and do not constitute any limitation on the scope of the utility model. Wherein:

fig. 1 is a schematic structural diagram of a battery detection device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a conductive block according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of another conductive block according to an embodiment of the present utility model.

Wherein:

1-a PCB circuit board; 2-conductive metal lines; 3-conductive blocks; 4-testing probes; 5-copper nose;

31-a base; 32-column.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, advantages and features of the utility model more apparent. It should be noted that, the drawings are in very simplified form and all use non-precise proportions, which are only used for the purpose of conveniently and clearly assisting in explaining the embodiments of the present utility model, and are not intended to limit the implementation conditions of the present utility model, so that the present utility model has no technical significance, and any modification of the structure, change of the proportional relation or adjustment of the size, without affecting the efficacy and achievement of the present utility model, should still fall within the scope covered by the technical content disclosed by the present utility model.

It should be further understood that the terms "first," "second," "third," and the like in this specification are used merely for distinguishing between various components, elements, steps, etc. in the specification and not for indicating a logical or sequential relationship between the various components, elements, steps, etc., unless otherwise indicated. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Referring to fig. 1, the present embodiment provides a battery detection device, including:

a PCB circuit board 1 on which a plurality of conductive metal wires 2 are arranged;

a plurality of conductive blocks 3 arranged at one end of the conductive metal wire 2 and electrically connected with the conductive metal wire 2;

and one end of each test probe 4 is detachably connected with the conductive block 3, and the other end of each test probe is used for connecting with a detection point of a battery to be tested.

Through adopting the design that PCB circuit board 1 and test probe 4 combine, can simplify the circuit arrangement of test probe 4 for the circuit is more regular orderly, and the design conducting block 3 carries out detachable installation to test probe 4, not only can guarantee that test probe 4 is connected with the electricity of conductive metal wire 2, also is convenient for install and dismantle test probe 4 simultaneously, very big improvement detection efficiency. In addition, the PCB circuit board 1 is of a plate-shaped structure, so that large-scale typesetting in rows and columns can be realized, large-scale testing can be performed, and the universality is stronger.

Preferably, the PCB 1 is made of thick copper. The battery detection device provided by the embodiment is mainly used for detecting the high-current and high-power new energy battery, so that the adoption of the thick copper circuit board meets the requirements. Of course, according to the different requirements of battery detection, the PCB 1 made of other materials may be used, which is not limited in this application.

In this embodiment, the thickness of the PCB board 1 can be specifically designed according to the voltage and current of the battery to be tested, which is not limited in this application.

A plurality of conductive metal wires 2 are arranged on the PCB circuit board 1, the conductive metal wires 2 are used for transmitting detection signals of the test probes 4, and in this embodiment, the conductive metal wires 2 are preferably made of thick copper foil. Since the width and thickness of the conductive metal wire 2 are directly related to the current carrying capacity, when the thickness of the copper foil of a typical PCB board is 35um and the line width is 1mm, the area of the cross section of the conductive metal wire 2 is 0.035 mm square, the current density is usually between 20A/mm square and 30A/mm square, and the current carrying capacity=0.035 mm square×25A/mm square=0.875, so that the line width per mm can carry a current of approximately 1A. However, in practical applications, factors such as manufacturing process, substrate material, and ambient temperature are considered, so when the copper foil is used as a wire to carry a large current, the current-carrying capacity of the width of the copper foil should be selected according to 50% of the calculated result, so that the safety is ensured.

Preferably, several conductive wires 2 are arranged in parallel on the PCB circuit board 1 to better adapt the detection of the battery. It should be understood that the number of the conductive metal wires 2 may be two or more than two, which is not limited in this application. Preferably, to accommodate more types of different sizes of batteries, a plurality of parallel conductive metal wires 2 may be designed to facilitate the selection of a suitable spacing of conductive metal wires 2 for testing according to the testing requirements.

Preferably, the other end of the conductive wire 2 is further provided with a copper nose 5, and the copper nose 5 is used for connecting a detecting device for transmitting the electric signal of the test probe 4. In this embodiment, two conductive metal wires 2 are provided, and the ends of the two conductive metal wires 2 are respectively provided with a copper nose 5.

In this embodiment, the conductive bump 3 is disposed at an end of the conductive metal wire 2, and the test probe 4 is electrically connected to the conductive metal wire 2 through the conductive bump 3.

Preferably, the test probe 4 is screwed with the conductive block 3. For example, the screw hole is formed in the conductive block 3, one end of the test probe 4 is provided with external threads matched with the screw hole, and the test probe 4 can be mounted and dismounted by rotating the other end of the test probe 4, so that the detection efficiency is greatly improved. Of course, if the diameter of the test probe 4 is large, a threaded hole may be formed at one end of the test probe 4, and a protrusion having external threads may be formed at the bottom end of the conductive block 3, so that the test probe 4 and the conductive block 3 may be screwed together. In addition to the threaded connection, the test probe 4 may be mounted and fixed by a conventional detachable connection such as a snap connection. For example, the mounting hole is formed in the conductive block 3, and the snap fastener is disposed in the mounting hole, and the test probe 4 is inserted into the mounting hole and pressed to be fastened with the snap fastener, so that the fixing is achieved.

Preferably, the test probe 4 may be a high current low resistance test probe because the current generated during the test of the new energy battery is large, up to hundreds or even hundreds of amperes.

Referring to fig. 2-3, fig. 2 illustrates a form in which one column 32 for mounting the test probe 4 is provided on one base 31, and fig. 3 illustrates a form in which two columns 32 for mounting the test probe 4 are provided on one base 31. The conductive block 3 comprises a base 31 and at least one column 32 arranged on the base 31, the base 31 is fixed on the PCB 1 and electrically connected with the conductive metal wire 2, and the threaded hole penetrates through the base 31 and then extends into the column 32. The number of the columns 32 is not limited, one column 32 can be arranged on the same base 31, a plurality of columns 32 can be arranged, and the design can be carried out according to the number of the test probes 4 and the detection requirement. In addition, a plurality of columns 32 are arranged on the same base 31, so that the surface area of the conductive block 3 can be increased, the heat dissipation effect of the conductive block 3 is further increased, the columns 32 at different positions can be selected to install the test probes 4 according to the positions of detection points of the battery to be tested, or a plurality of columns 32 are selected to install a plurality of test probes 4 to adapt to the test of large current, the use scene of the battery detection device is enriched, and the universality is stronger.

Preferably, a plurality of columns 32 are disposed on the base 31, and the columns 32 are arranged at equal intervals along the extending direction of the conductive metal wire 2. The spacing between columns 32 is not limited in this application and may be designed according to the detection requirements.

In this embodiment, the base 31 is welded and fixed on the PCB circuit board 1. Preferably, the base 31 is soldered to the PCB 1 using high temperature soldering.

In summary, the embodiment of the utility model provides a battery detection device, by adopting the design that the PCB 1 and the test probe 4 are combined, the circuit arrangement of the test probe 4 can be simplified, so that the circuit is more regular and orderly, and the design of the conductive block 3 for detachably mounting the test probe 4 can ensure the electric connection between the test probe 4 and the conductive metal wire 2, and simultaneously, the test probe 4 is convenient to mount and dismount, so that the detection efficiency is greatly improved. In addition, the PCB circuit board 1 is of a plate-shaped structure, so that large-scale typesetting in rows and columns can be realized, large-scale testing can be performed, and the universality is stronger.

It should also be appreciated that while the present utility model has been disclosed in the context of a preferred embodiment, the above embodiments are not intended to limit the utility model. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art without departing from the scope of the technology, or the technology can be modified to be equivalent. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A battery detection device, characterized by comprising:

2. The battery testing device of claim 1, wherein the test probe is threadably coupled to the conductive block.

3. The battery detection device according to claim 2, wherein a threaded hole is formed in the conductive block, and one end of the test probe is provided with external threads adapted to the threaded hole.

4. The battery testing device of claim 3, wherein the conductive block comprises a base and at least one post disposed on the base, the base is fixed on the PCB and electrically connected to the conductive wires, and the threaded hole extends into the post after penetrating the base.

5. The battery testing device of claim 4, wherein a plurality of posts are disposed on the base, and the posts are arranged at equal intervals along the extending direction of the conductive metal wire.

6. The battery testing device of claim 4, wherein the base is solder-fixed to the PCB.

7. The battery detection device according to claim 1, wherein the other end of the conductive metal wire is further provided with a copper nose.

8. The battery detection device of claim 1, wherein the plurality of conductive metal lines are disposed in parallel on the PCB.

9. The battery testing device of claim 1 or 8, wherein the conductive metal wire is made of a thick copper foil.

10. The battery testing device of claim 1, wherein the PCB is thick copper.