CN215598869U

CN215598869U - Module test fixture

Info

Publication number: CN215598869U
Application number: CN202121795935.5U
Authority: CN
Inventors: 王小琼; 黄家晨; 王怀华
Original assignee: Deye Suzhou Energy Storage Technology Co ltd
Current assignee: Ningbo Deye Energy Storage Technology Co., Ltd.
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-21
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a module testing tool, which comprises a bottom plate, a testing platform and a testing platform, wherein the bottom plate is provided with a plurality of testing holes; the mounting plate and the rear supporting plate are vertically arranged at one end of the bottom plate; the rear supporting plate is selectively fixed on the bottom plate, and the distance between the rear supporting plate and the mounting plate is adjusted; the rotating shaft penetrates through the mounting plate, the front supporting plate and the limiting plate; the front supporting plate is driven by the rotating shaft to move along the length direction of the bottom plate; the inner side of the front supporting plate is abutted with the limiting plate, and the limiting plate is driven to move to be abutted with the rear supporting plate; a pressure sensor, a graduated scale and a set square; the pressure sensor is fixed between the rotating shaft and the front support plate; the graduated scale is arranged on the bottom plate, the initial end of the graduated scale is connected with the outer side of the rear supporting plate, and the front supporting plate slides above the graduated scale. The utility model has the beneficial effects that: the pressure resistance value and the length value of the product are automatically and simultaneously measured through the pressure sensor, the graduated scale and the triangular ruler, so that errors caused by manual measurement are avoided, and the measurement efficiency and the measurement accuracy are improved; the application range is wide.

Description

Module test fixture

Technical Field

The utility model belongs to the technical field of machine manufacturing, and particularly relates to a module testing tool.

Background

The rapidly developing new energy automobile industry is increasingly pressing in demand for power lithium ion batteries. The battery module includes a case of the battery module and a battery cell (referred to as a product in the present invention) disposed in the case, and it is necessary to test the battery module since the battery cell swells due to repeated charging and discharging of the battery cell.

The existing tool for testing the battery module cannot measure the maximum pressure which can be borne by the battery on the premise of not losing efficacy, so that the parameter design of the compression resistance values of different types of products is unreasonable. If pressure value labeling is needed to be carried out on products of different models, sizes of the products of different models need to be measured, the traditional measurement mode is that manual measurement is carried out on the products and the products step by step, so that the measurement efficiency is greatly reduced, and measurement data are not accurate enough.

In order to solve the above problems, it is an important technical problem to be solved by those skilled in the art to design a module testing tool.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provide a module testing tool.

The purpose of the utility model is realized by the following technical scheme:

the module testing tool comprises a bottom plate;

the fixing mechanism comprises a mounting plate and a rear supporting plate which are vertically arranged at one end of the bottom plate; the two are arranged in parallel along the length direction of the bottom plate; the rear supporting plate is selectively fixed on the bottom plate, and the distance between the rear supporting plate and the mounting plate is adjusted;

the moving mechanism comprises a rotating shaft penetrating through the mounting plate, a front supporting plate and a limiting plate for placing a product; the front supporting plate is driven by the rotating shaft and moves along the length direction of the bottom plate; the inner side of the front supporting plate is abutted with the limiting plate and drives the limiting plate to move to abut with the rear supporting plate;

the measuring mechanism comprises a pressure sensor, a graduated scale and a triangular ruler fixed on the side edge of the front supporting plate; the pressure sensor is fixed between the rotating shaft and the front support plate and moves synchronously with the rotating shaft; the graduated scale is arranged on the bottom plate, the initial end of the graduated scale is connected with the outer side of the rear supporting plate, and the triangular ruler slides above the graduated scale.

Preferably, the moving mechanism further comprises a group of sliding rails arranged in parallel along the width direction of the base; the front supporting plate and the limiting plate slide on the sliding rail, and the sliding rail penetrates through the limiting plate.

Preferably, the mounting plate and the rear support plate are respectively positioned at two ends of the slide rail; the slide rail is further provided with a slide block, and the upper surface of the slide block is fixed with the front supporting plate.

Preferably, the two sides of the limiting plate are provided with protruding strips, and the protruding strips are arranged in parallel with the sliding rails and used for limiting the position of a product placed on the protruding strips.

Preferably, the rear support plate is arranged opposite to the front support plate; both include L type baffle, set up in the backup pad in the L type baffle outside to and set up in the clamp plate in the L type baffle outside.

Preferably, the bottom end of the L-shaped baffle on the front support plate is fixedly connected with the sliding block; the supporting plate at least comprises two right-angle edges attached to the outer wall of the L-shaped baffle; the pressing plate is located above the limiting plate, and the pressing plate and the limiting plate are not in contact.

Preferably, a set of mounting holes is formed on the bottom plate, and connecting holes formed on the rear support plate selectively correspond to the mounting holes and fix the rear support plate to the bottom plate.

Preferably, the rotating shaft is connected with the mounting plate through threads and moves back and forth along the width direction of the mounting plate.

Preferably, the front end of the rotating shaft is provided with a polygonal connector for connecting a driving device for driving the rotating shaft to rotate.

Preferably, the front side of mounting panel is provided with supporting baffle, the last right-angle side that is formed with two mutually perpendicular of supporting baffle, respectively with the bottom plate with the mounting panel butt.

The technical scheme of the utility model has the advantages that:

the accuracy is realized, the pressure resistance value and the length value of the product are automatically and simultaneously measured through the pressure sensor, the graduated scale and the triangular ruler, the error caused by manual measurement is avoided, separate measurement is not needed, and the measurement efficiency and the measurement accuracy are improved;

the adjustable back support plate is selectively connected with a group of mounting holes on the bottom plate through the connecting holes on the back support plate, and the distance between the back support plate and the mounting plate is adjusted to meet the measurement requirements of products with different lengths;

the front support plate is fixed on a sliding block which is arranged on the sliding rail in a sliding mode, the driving device and the sliding block push the front support plate and the limiting plate to move, resistance generated in the moving process is reduced, and the measuring speed is improved;

the product can be limited by the raised lines on the two sides of the limiting plate, so that the product is prevented from shaking or deviating in the measuring process, and the stability and the safety of the product are enhanced;

stability all is provided with supporting baffle in the outside of mounting panel, preceding backup pad and back backup pad, prevents its atress deformation, strengthens its stability.

Drawings

FIG. 1: front view of the preferred embodiment of the present invention;

FIG. 2: a front view of a preferred embodiment of the present invention;

FIG. 3: top view of a preferred embodiment of the present invention.

Detailed Description

Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. The embodiments are merely exemplary for applying the technical solutions of the present invention, and any technical solution formed by replacing or converting the equivalent thereof falls within the scope of the present invention claimed.

In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

As shown in fig. 1 to 3, the present invention discloses a module testing tool, which includes a bottom plate 1, wherein a set of mounting holes 10 is formed on the bottom plate 1; the bottom plate 1 is provided with a fixing mechanism, a moving mechanism and a measuring mechanism.

Specifically, as shown in fig. 1 to 2, the fixing mechanism includes a mounting plate 11 and a rear support plate 12 vertically disposed at one end of the base plate 1; the two are arranged in parallel along the length direction of the bottom plate 1, and the two sides are opposite. The front side of mounting panel 11 is provided with supporting baffle 111, be formed with two mutually perpendicular's right angle limit on the supporting baffle 111, respectively with bottom plate 1 with mounting panel 11 butt. The connecting holes 120 formed on the rear supporting plate 12 selectively correspond to the mounting holes 10, and the rear supporting plate 12 is fixed on the bottom plate 1, that is, the rear supporting plate 12 is selectively fixed on the bottom plate 1, so as to adjust the distance between the rear supporting plate 12 and the mounting plate 11, and adapt to different length measurement requirements.

Specifically, as shown in fig. 2 to 3, the rear support plate 12 includes an L-shaped baffle 121, a support plate 122 disposed outside the L-shaped baffle 121, and a pressing plate 123 disposed outside the L-shaped baffle 121. The opening direction of L type baffle 121 is outwards, backup pad 122 is located in the opening of L type baffle 121, backup pad 122 include at least two with the right angle side of L type baffle 121's outer wall laminating. The supporting plate 122 is preferably designed to be triangular to enhance the stability of the rear supporting plate 12, and the shape of the supporting plate 122 is not limited in the present invention, and as shown in fig. 2, the supporting plate 122 is designed to be a right trapezoid.

The moving mechanism comprises a rotating shaft 21 penetrating through the mounting plate 11, a front supporting plate 22 and a limiting plate 23 for placing a product. The rotating shaft 21 is connected with the mounting plate 11 through a screw thread, that is, the rotating shaft 21 moves back and forth along the width direction of the mounting plate 11, and the tail end (the end close to the rear support plate 12) of the rotating shaft 21 is abutted against the front support plate 22. The front end of the rotating shaft 21 (the end far away from the rear supporting plate 12) is provided with a polygonal connector 211 for connecting a driving device for driving the rotating shaft to rotate, and the driving device comprises a motor, a hand wheel or a wrench.

As shown in fig. 2, the front support plate 22 and the stopper plate 23 are located between the mounting plate 11 and the rear support plate 12, and are driven by the rotation shaft 21 to move in the length direction of the base plate 1. Specifically, the moving mechanism further comprises a set of slide rails 24 arranged in parallel along the width direction of the base 1, and the slide rails 24 penetrate through the limiting plate 23. Mounting panel 11 with back backup pad 12 is located respectively slide rail 24's both ends, promptly slide rail 24 is located mounting panel 11 with between the back backup pad 12. A sliding block 241 is slidably disposed on the sliding rail 24, and the front support plate 22 is fixed on the upper surface of the sliding block 241. When the rotating shaft 21 abuts against the front support plate 22, the rotating shaft drives the front support plate 22 to abut against the limit plate 23, and then drives the limit plate 23 to slide on the slide rail 24 until the limit plate 23 abuts against the rear support plate 12.

As shown in fig. 1 and 3, protruding strips 231 protruding from the upper surface of the limiting plate 23 are disposed on two sides of the limiting plate 23, the protruding strips 231 are disposed in parallel with the slide rail 24, and the positions of the products placed on the protruding strips 231 are limited by the two protruding strips 231, so that the products are prevented from falling off due to deviation in the moving process, and the product quality is prevented from being affected.

As shown in fig. 2, the front support plate 22 is disposed opposite the rear support plate 12; the structure of the back support plate 12 is the same as that of the L-shaped baffle 121, and the back support plate 122 is disposed outside the L-shaped baffle 121, and the pressing plate 123 is disposed outside the L-shaped baffle 121, which is not described herein. In addition, the bottom end of the L-shaped baffle 121 on the front support plate 22 is fixedly connected with the slider 241; and the pressing plate 123 on the front supporting plate 22 is located above the limiting plate 23, and the two are not in contact.

As shown in fig. 1, the measuring mechanism includes a pressure sensor 31 fixed between the rotating shaft 21 and the front support plate 22 and moving in synchronization with the rotating shaft 21. In the present invention, the rotating shaft 21, the pressure sensor 31 and the front support plate 22 are preferably integrally connected, although it is not excluded that the pressure sensor 31 is fixed to the end of the rotating shaft 21 or the inner wall of the front support plate 22 and is coaxially arranged with the rotating shaft 21 in other embodiments; it is not excluded that in other embodiments, the rotating shaft 21, the pressure sensor 31 and the front support plate 22 are only coaxially disposed, and the pressure sensor 31 and the front support plate 22 are driven by the rotating shaft 21 to move. In any arrangement mode, once the pressure sensor 31 receives a pressure signal under stress, the anti-extrusion force of the product placed on the limiting plate 23 is measured, the measured data is compared with the design parameter value, and whether the setting of the design parameter value is reasonable or not or whether the product assembly is reasonable or not is judged.

As shown in fig. 3, the measuring mechanism further includes a scale 32 (scale not shown) and a square 33 fixed to the side of the front support plate 22. The graduated scale 32 is arranged on the bottom plate 1, the initial end (0 end) of the graduated scale is connected with the outer side of the rear supporting plate 12, and the graduated scale 32 can be designed to be telescopic so as to adapt to products with different lengths. The set square 33 is along with preceding backup pad 22 synchronous motion to slide above the scale 32, what set square 33 pointed scale 32 is promptly the length of the product of placing on the limiting plate 23, and it is convenient quick to measure like this, and measured data is accurate. The length value is measured as the compression resistance value measured by the pressure sensor, and is used for judging the reasonability of parameter values or whether the product assembly is reasonable.

The working process of the utility model is briefly described as follows:

s1: placing the product between the two convex strips 231 on the limiting plate 23;

s2: the starting driving device positively drives the rotating shaft 21 and the pressure sensor 31 to move towards the front support plate 22 until the pressure sensor 31 is attached to the inner wall of the front support plate 22;

s3: the front support plate 22 drives the triangular rule 33 fixed on the side wall of the front support plate to further move until the outer wall of the front support plate 22 abuts against the side wall of the product placed on the limit plate 23, and the limit plate 23 and the product placed on the limit plate are further driven to move towards the rear support plate 12;

s4: the rear wall of the product is tightly attached to the rear supporting plate 12, and the pressure resistance value and the length of the product are measured by the pressure sensor 31 and the triangular rule 33;

s5: comparing the measured compression resistance value and the length value with the designed parameter value to judge whether the parameter value design is reasonable and whether the product configuration is qualified;

s6: the driving device is started again to drive the rotating shaft 21 in the reverse direction, which drives the sensor 31 and the front support plate 22 to move in the direction until reset.

The utility model has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the utility model.

Claims

1. Module test fixture, its characterized in that: comprises a bottom plate (1);

the fixing mechanism comprises a mounting plate (11) and a rear supporting plate (12), which are vertically arranged at one end of the bottom plate (1); the two are arranged in parallel along the length direction of the bottom plate (1); the rear supporting plate (12) is selectively fixed on the bottom plate (1) and the distance between the rear supporting plate and the mounting plate (11) is adjusted;

the moving mechanism comprises a rotating shaft (21) penetrating through the mounting plate (11), a front supporting plate (22) and a limiting plate (23) for placing a product; the front supporting plate (22) is driven by the rotating shaft (21) and moves along the length direction of the bottom plate (1); the inner side of the front supporting plate (22) is abutted with the limiting plate (23), and the limiting plate (23) is driven to move to abut with the rear supporting plate (12);

the measuring mechanism comprises a pressure sensor (31), a graduated scale (32) and a triangular ruler (33) fixed on the side edge of the front support plate (22); the pressure sensor is fixed between the rotating shaft (21) and the front support plate (22) and synchronously moves with the rotating shaft (21); the graduated scale (32) is arranged on the bottom plate (1), the initial end of the graduated scale is connected with the outer side of the rear supporting plate (12), and the triangular ruler (33) slides above the graduated scale (32).

2. The module test fixture of claim 1, wherein: the moving mechanism also comprises a group of sliding rails (24) which are arranged in parallel along the width direction of the bottom plate (1); the front supporting plate (22) and the limiting plate (23) slide on the sliding rail (24), and the sliding rail (24) penetrates through the limiting plate (23).

3. The module test fixture of claim 2, wherein: the mounting plate (11) and the rear supporting plate (12) are respectively positioned at two ends of the sliding rail (24); the sliding rail (24) is further provided with a sliding block (241), and the upper surface of the sliding block (241) is fixedly provided with the front supporting plate (22).

4. The module test fixture of claim 3, wherein: the two sides of the limiting plate (23) are provided with convex strips (231), the convex strips (231) are parallel to the sliding rails (24) and used for limiting the positions of products placed on the convex strips.

5. The module test fixture of claim 4, wherein: the rear support plate (12) is arranged opposite to the front support plate (22); both of which comprise an L-shaped baffle plate (121), a supporting plate (122) arranged outside the L-shaped baffle plate (121), and a pressing plate (123) arranged outside the L-shaped baffle plate (121).

6. The module test fixture of claim 5, wherein: the bottom end of the L-shaped baffle (121) of the front support plate (22) is fixedly connected with the sliding block (241); the supporting plate (122) at least comprises two right-angle edges attached to the outer wall of the L-shaped baffle (121); the pressing plate (123) is located above the limiting plate (23) and is not in contact with the limiting plate.

7. The module test fixture of claim 6, wherein: a group of mounting holes (10) are formed in the bottom plate (1), connecting holes (120) formed in the rear supporting plate (12) can selectively correspond to the mounting holes (10), and the rear supporting plate (12) is fixed on the bottom plate (1).

8. The module test fixture of claim 7, wherein: the rotating shaft (21) is in threaded connection with the mounting plate (11) and moves back and forth along the width direction of the mounting plate (11).

9. The module test fixture of claim 8, wherein: the front end of the rotating shaft (21) is provided with a polygonal connector (211) which is used for connecting a driving device for driving the rotating shaft to rotate.

10. The module test fixture of claim 9, wherein: the front side of mounting panel (11) is provided with supporting baffle (111), be formed with two mutually perpendicular's right angle limit on supporting baffle (111), respectively with bottom plate (1) with mounting panel (11) butt.