CN115420915A - Universal fixture device for testing performance of square battery - Google Patents

Abstract

The invention relates to a general-purpose fixture device for performance testing of square batteries, which includes a bottom plate assembly, a support plate assembly, a manual clamp assembly, a mobile test box assembly and a guide assembly; the bottom plate assembly adjusts the placement of the square battery through a limit plate The size of the position, the mobile test box moves the height of the probe up and down through the guide assembly, and the manual clamp is connected with the mobile test box by moving on the track to adjust the height. It is suitable for square batteries of various sizes with different widths and heights, and realizes universal use. sex. The invention can adjust the height, width and center distance of current probes; the performance of the test fixture is good, and the compatibility with batteries of different specifications is good.

Description

A universal fixture device for performance testing of prismatic batteries

technical field

The invention relates to the technical field of battery performance testing, in particular to a universal fixture device for performance testing of prismatic batteries.

Background technique

With the continuous development and innovation of the new energy industry, more and more battery products have emerged as the times require. The development of battery products is flourishing, and the designs of battery products from different manufacturers are different. Usually, after the battery is produced, it needs to be tested for performance. The performance technical indicators of the battery include capacity, power, internal resistance and other aspects to ensure the quality and performance of the battery. However, the existing battery performance test fixtures can only be used One type of battery specification has poor versatility, or the adjustment direction is single, the adjustable range is limited, and the applicable range is small. Therefore, when conducting electrical performance tests on batteries of different specifications, it is often necessary to prepare different test lines for replacement, and sometimes even require external welding of tabs, which consumes a lot of time and workload.

In the prior art, general prismatic battery performance test fixtures are poor in versatility, and can only perform performance tests on one type of battery product, and cannot be compatible with prismatic batteries of various specifications, wasting production resources. At the same time, the general square battery performance test fixture is extremely inconvenient to use, and the placement of the battery needs to be adjusted repeatedly during the performance test. Poor contact of the negative pole leads to poor test results and consumes a lot of time and effort.

Contents of the invention

The purpose of the present invention is to overcome the above disadvantages, to provide a general-purpose fixture device for square battery performance testing, to solve the problem of poor versatility of existing battery performance test fixtures, and to propose a convenient, versatile, and applicable A general-purpose fixture device for performance testing of prismatic batteries with a wide range and good stability.

The purpose of the present invention is achieved like this:

A general-purpose fixture device for performance testing of prismatic batteries, which includes a base plate assembly, a support plate assembly, a manual clamp assembly, a mobile test box assembly, and a guide assembly;

The bottom plate assembly includes a bottom plate, the bottom plate is provided with a first limit plate, a second limit plate and a third limit plate, and the first limit plate and the second limit plate are movably arranged in the transverse guide groove Above, a square battery is arranged between the first limiting plate and the second limiting plate, the third limiting plate is movably arranged on the vertical guide groove, and the third limiting plate is arranged behind the square battery; the square battery The front, rear, left, and right distances of the battery are adjustable, and are respectively fixed by the first limit plate, the second limit plate and the third limit plate, and are suitable for square batteries of different widths;

The support plate assembly includes a support plate, the support plate is vertically arranged on the bottom plate, the connection between the support plate and the bottom plate is set behind the third limit plate, and the upper part of the support plate is provided with two parallel arrangements. The track, the middle part of the support plate is provided with two connection holes, the connection holes are arranged between the track and the square battery;

The manual clamp assembly includes a manual clamp and a manual clamp base, the manual clamp base is movably arranged on the track, a manual clamp is fixedly connected to the manual clamp base, and the bottom of the manual clamp is There is a floating joint at the end;

The mobile test box assembly includes a mobile test box, a high-current probe and a high-current copper medal. The mobile test box is arranged below the manual clamp and parallel to the bottom plate. The top plate of the mobile test box is connected to the manual clamp through a floating joint. The bottom plate of the mobile test box runs through two left and right high-current probes, and the position of the high-current probe is adjusted and fixed through the limit hole; the bottom end of the high-current probe is in contact with the positive or negative pole of the square battery, and the top is fixed On the high-current copper medal, one end of the high-current copper medal is connected to the high-current probe, and the other end is connected to the guide assembly through the connection hole, and moves up and down through the guide assembly.

Preferably, the first limiting plate and the second limiting plate are provided with bolt holes, and are fixed on the transverse guiding groove by bolts after being moved to a specified position on the transverse guiding groove.

Preferably, the two ends of the third limiting plate are provided with bolt holes corresponding to the positions of the vertical guide grooves, and the third limiting plate is fixed on the vertical guiding grooves by bolts after moving to a specified position on the vertical guiding grooves .

Preferably, the base of the manual clamp is in the shape of a few characters, and is fixed on the track through screw holes and bolts.

Preferably, the bottom plate of the mobile test box is provided with two elongated limit holes on the left and right, and a plurality of screw holes are respectively provided on both sides of the limit hole, and a large current probe runs through the limit hole, and the large current After the probe is adjusted to the specified position in the limit hole, insert screws into the screw holes on both sides of the limit hole to fix the high-current probe.

Preferably, the guide assembly includes a first guide rod, a second guide rod and a movable sleeve, the first guide rod and the second guide rod are respectively arranged at the left and right ends of the support plate, and the first guide rod and the second guide rod An activity suit is sheathed on the pole respectively.

Preferably, the movable set is connected to one end of the high-current copper medal, and the height of the high-current copper medal is adjusted by moving the movable set on the first guide rod or the second guide rod, so as to adapt to squares of different heights. Battery.

Compared with prior art, the beneficial effect of the present invention is:

The invention has the advantages of simple structure, good stability, convenient operation and fast fixation; the height, width and center distance of current probes can be adjusted; the performance of the test fixture is good, and the compatibility with batteries of different specifications is good.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural view of the support plate assembly of the present invention.

In the picture:

Bottom plate assembly 1, bottom plate 11, first limit plate 12, second limit plate 13, third limit plate 14, lateral guide groove 15, vertical guide groove 16, support plate assembly 2, support plate 21, rail 22 , connection hole 23, manual clamp assembly 3, manual clamp 31, manual clamp base 32, floating joint 33, mobile test box assembly 4, mobile test box 41, high-current probe 42, high-current bronze plate 43, limit Hole 44, guide assembly 5, first guide rod 51, second guide rod 52, movable suit 53, square battery 6.

Detailed ways

In order to better understand the technical solutions of the present invention, the following will be described in detail in conjunction with relevant figures. It should be understood that the following specific examples are not intended to limit the specific implementation aspects of the technical solution of the present invention, but are only applicable implementation aspects of the technical solution of the present invention. It needs to be explained first that the expression of the positional relationship of each component in this article, such as that component A is located above component B, is based on the representation of the relative position of each component in the illustration, and is not intended to limit the actual positional relationship of each component.

Example 1:

Referring to FIG. 1-FIG. 3, FIG. 1 is a schematic structural diagram of a general-purpose fixture device used for performance testing of prismatic batteries. As shown in the figure, a universal fixture device for performance testing of prismatic batteries according to the present invention includes a bottom plate assembly 1 , a support plate assembly 2 , a manual clamp assembly 3 , a mobile test box assembly 4 and a guide assembly 5 .

The base plate assembly 1 includes a base plate 11, two parallel transverse guide grooves 15 are arranged on the base plate 11, and a first limiting plate 12 and a second limiting plate 13 are arranged on the transverse guiding grooves 15 respectively. A square battery 6 is arranged between the first limiting plate 12 and the second limiting plate 13, the first limiting plate 12 and the second limiting plate 13 are provided with bolt holes, and after moving to the specified position on the transverse guide groove 15 It is fixed on the transverse guide groove 15 by bolts; two parallel vertical guide grooves 16 are also provided on the base plate 11, and the two vertical guide grooves 16 are respectively arranged on one side and two ends of the transverse guide groove 15, vertically The guide groove 16 is provided with a third limiting plate 14, the third limiting plate 14 is arranged behind the square battery 6, and the two ends of the third limiting plate 14 are provided with bolt holes corresponding to the positions of the vertical guiding groove 16 , the third limiting plate 14 is fixed on the vertical guiding groove 16 by bolts after moving to the specified position on the vertical guiding groove 16; thus the first limiting plate 12 and the second limiting plate 13 are fixed on the square battery 6 On the left and right sides, the third limiting plate 14 is fixed on the rear side of the square battery 6, by adjusting the positions of the first limiting plate 12, the second limiting plate 13 and the third limiting plate 14, it can be applied to batteries of different specifications and sizes. Battery.

The support plate assembly 2 includes a support plate 21, the support plate 21 is vertically arranged on the base plate 11, the connection between the support plate 21 and the base plate 11 is arranged behind the vertical guide groove 16, and the support plate 21 Two rails 22 arranged in parallel are arranged on the upper part, and two connecting holes 23 are arranged on the middle part of the support plate 21 , and the connecting holes 23 are arranged between the rails 22 and the square battery 6 .

The manual clamp assembly 3 includes a manual clamp 31 and a manual clamp base 32, the manual clamp base 32 is in the shape of a few characters, and is fixed on the track 22 through screw holes, and the manual clamp can be adjusted according to the height of the square battery 6. The position of the clamp base 32 on the track 22 , a manual clamp 31 is fixedly connected to the manual clamp base 32 , and a floating joint 33 is provided at the bottom of the manual clamp 31 .

The mobile test box assembly 4 includes a mobile test box 41, a high-current probe 42 and a high-current copper medal 43. The mobile test box 41 is arranged below the manual clamp 31 and is parallel to the bottom plate 11. The top plate of the mobile test box 41 passes through The floating joint 33 is connected with the manual clamp 31, and the bottom plate of the mobile test box 41 is provided with two elongated limit holes 44 on the left and right. The two sides of the limit hole 44 are respectively provided with a plurality of screw holes. The high-current probe 42 runs through the inside, and after the high-current probe 42 is adjusted to a specified position in the limit hole 44, screws are inserted into the screw holes on both sides of the limit hole 44 to fix the high-current probe 42; The bottom end of the probe 42 is in contact with the positive or negative pole of the square battery 6, and the top end is fixed on the high-current copper plate 43. One end of the high-current copper plate 43 is connected to the high-current probe 42, and the other end passes through the connection hole 23 Connect with guide assembly 5.

The guide assembly 5 includes a first guide rod 51, a second guide rod 52 and a movable sleeve 53. The first guide rod 51 and the second guide rod 52 are respectively arranged at the left and right ends of the support plate 21. The first guide rod 51 and the second guide rod 52 are respectively sleeved with a movable suit 53, and the movable suit 53 is connected with one end of the high-current copper medal 43, and the described high-current copper medal 43 is placed on the first guide rod 51 or the second guide rod 51 through the movable suit 53. Move on the guide bar 52 to adjust the height of the high current copper medal 43, to adapt to the square battery 6 of different heights.

working principle:

The invention provides a universal fixture device for performance testing of square batteries, which includes a bottom plate part, a support plate part, a manual clamp part, a moving platen part and a guide part; The part is provided with a manual clamp part, a moving platen part and a guide part.

The bottom plate part comprises the bottom plate itself, a first limiting plate, a second limiting plate and a third limiting plate, and the first limiting plate and the second limiting plate are two parallel limiting plates, respectively passed through Screws are fixed in the guide grooves at both ends of the bottom plate, and the distance between the first limiting plate and the second limiting plate is adjustable, which is suitable for square batteries of different widths; the third limiting plate is fixed behind the bottom plate by screws The vertical guide groove at the end, and the front and rear distances are adjustable, suitable for square batteries of different thicknesses. When a number of square batteries of the same specification are tested for performance, it is only necessary to adjust the placement of the batteries once, and the position is fixed by the first limit plate, the second limit plate, and the third limit plate, and there is no need to adjust the position of the battery when testing again. Place the probe in a good position to make good contact with the positive and negative poles of the square battery, which is convenient, quick, time-saving and efficient.

The support plate part is located above the rear end of the base plate and vertically connected to the base plate, forming an L shape. The support plate component includes a support plate, a track and a connecting hole.

The manual clamp part includes a manual clamp, a manual clamp base and a floating joint, the manual clamp is fixed on the manual clamp base by screws, the manual clamp base is fixed on the track by screws, and The up and down distance is adjustable, suitable for square batteries of different heights.

The moving platen part is located below the manual clamp and is parallel to the bottom plate, and is connected with the manual clamp through a floating joint. There are several screw holes on both sides of the hole, and the high-current probes are fixed in the limit holes by screws, and the distance between the two high-current probes is adjustable, which is suitable for square batteries with different central moments. Both ends of the copper medal have holes, and are fixed on the high-current probe by screws. The high-current copper medal passes through the connection hole, and is connected to the positive and negative current output lines of the test instrument by screws.

The guide component includes a first guide rod, a second guide rod and a movable sleeve, the first guide rod and the second guide rod are vertically arranged at both ends of the support plate, and the movable clamp at both ends of the moving platen is mounted on the first guide rod. Rod and the second guide rod are used to drive the moving platen to move up and down in the vertical direction.

In order to verify the versatility, stability, effectiveness, and convenience of the present invention, a prototype was made according to the schematic diagram, several square batteries of different specifications were selected for performance test verification, and relevant test data were recorded. The test process was smooth.

The test data are shown in the table below:

The above are only specific application examples of the present invention, and do not constitute any limitation to the protection scope of the present invention. All technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides a general type fixture device for square battery capability test which characterized in that: the device comprises a bottom plate component (1), a supporting plate component (2), a manual clamp component (3), a mobile test box component (4) and a guide component (5);

the bottom plate assembly (1) comprises a bottom plate (11), a first limiting plate (12), a second limiting plate (13) and a third limiting plate (14) are arranged on the bottom plate (11), the first limiting plate (12) and the second limiting plate (13) can be movably arranged on a transverse guide groove (15), a square battery (6) is arranged between the first limiting plate (12) and the second limiting plate (13), the third limiting plate (14) can be movably arranged on a vertical guide groove (16), the third limiting plate (14) is arranged behind the square battery (6), the distances of the square battery (6) in the front, back, left and right directions can be adjusted, and the square battery is fixed through the first limiting plate (12), the second limiting plate (13) and the third limiting plate (14) respectively and is suitable for square batteries (6) with different widths;

the support plate assembly (2) comprises a support plate (21), the support plate (21) is vertically arranged on a bottom plate (11), the joint of the support plate (21) and the bottom plate (11) is arranged behind a third limiting plate (14), two rails (22) which are arranged in parallel are arranged on the upper portion of the support plate (21), two connecting holes (23) are formed in the middle of the support plate (21), and the connecting holes (23) are formed between the rails (22) and the square batteries (6);

the manual clamp assembly (3) comprises a manual clamp (31) and a manual clamp base (32), the manual clamp base (32) is movably arranged on the track (22), the manual clamp (31) is fixedly connected to the manual clamp base (32), and a floating joint (33) is arranged at the bottom end of the manual clamp (31);

the movable test box assembly (4) comprises a movable test box (41), large-current probes (42) and large-current copper plates (43), the movable test box (41) is arranged below the manual clamp (31) and is parallel to the bottom plate (11), a top plate of the movable test box (41) is connected with the manual clamp (31) through a floating joint (33), the left large-current probe (42) and the right large-current probe (42) penetrate through the bottom plate of the movable test box (41), and the large-current probes (42) are adjusted in position and fixed through limiting holes (44); the bottom of heavy current probe (42) and the anodal or negative pole post contact of square battery (6), the top is fixed on heavy current copper tablet (43), the one end and the heavy current probe (42) of heavy current copper tablet (43) are connected, and the other end passes connecting hole (23) and is connected with direction subassembly (5) to reciprocate through direction subassembly (5).

2. The universal fixture device for testing the performance of the square battery as claimed in claim 1, wherein: the first limiting plate (12) and the second limiting plate (13) are provided with bolt holes, and the first limiting plate and the second limiting plate move to a designated position on the transverse guide groove (15) and then are fixed on the transverse guide groove (15) through bolts.

3. The universal fixture device for testing the performance of the square battery as claimed in claim 1, wherein: the positions, corresponding to the vertical guide grooves (16), of the two ends of the third limiting plate (14) are provided with bolt holes, and the third limiting plate (14) moves on the vertical guide grooves (16) to a specified position and then is fixed on the vertical guide grooves (16) through bolts.

4. The universal fixture device for testing the performance of the square battery as claimed in claim 1, wherein: the manual clamp base (32) is in a shape of a Chinese character 'ji', and is fixed on the track (22) through a bolt of a screw hole.

5. The universal fixture device for testing the performance of the square battery according to claim 1, wherein: the bottom plate of the mobile test box (41) is provided with a left long-strip-shaped limiting hole and a right long-strip-shaped limiting hole (44), a plurality of screw holes are formed in two sides of each limiting hole (44), a large-current probe (42) penetrates through each limiting hole (44), and the large-current probe (42) is fixed by inserting screws into the screw holes in two sides of each limiting hole (44) after being adjusted to a designated position in each limiting hole (44).

6. The universal fixture device for testing the performance of the square battery as claimed in claim 1, wherein: the guide assembly (5) comprises a first guide rod (51), a second guide rod (52) and a movable sleeve (53), the first guide rod (51) and the second guide rod (52) are respectively arranged at the left end and the right end of the support plate (21), and the first guide rod (51) and the second guide rod (52) are respectively sleeved with the movable sleeve (53).

7. The universal fixture device for testing the performance of the square battery as claimed in claim 6, wherein: the movable sleeve (53) is connected with one end of the high-current copper plate (43), and the high-current copper plate (43) adjusts the height of the high-current copper plate (43) through the movement of the movable sleeve (53) on the first guide rod (51) or the second guide rod (52) so as to adapt to square batteries (6) with different heights.

Images