CN214309972U

CN214309972U - A power protection board test device

Info

Publication number: CN214309972U
Application number: CN202120064690.2U
Authority: CN
Inventors: 张志清
Original assignee: Shenzhen Xinglongxin Technology Co ltd
Current assignee: Shenzhen Xinglongxin Technology Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-09-28
Anticipated expiration: 2031-01-12

Abstract

The utility model relates to the technical field of testing devices, and discloses a power protection board testing device, comprising a base, the base is a rectangular base, a fixing plate is fixedly installed on the base, and the fixing plate is in the shape of a rectangular plate. The board is fixedly connected to the power module to protect the power module from damage. When the power protection board is fixedly connected to the power module, it is first necessary to perform a toughness test on the protection board to detect the toughness of the protection board itself. It will be fixed by the fixing slot, and the springs on the two movable longboards will also be squeezed by the protective plate, and multiple springs will squeeze and fix the protective plate between the two movable longboards. The fixing principle of the board is the same as that of the movable long board. At this time, the movable long board and the movable short board on the base will be fixed and clamped to the external protection boards of different sizes, so as to achieve the effect of improving the diversity and fixation of the protection boards.

Description

Power protection board testing device

Technical Field

The utility model relates to a testing arrangement technical field specifically is a power protection shield testing arrangement.

Background

The battery protection board, as the name implies, is an integrated circuit board that mainly protects rechargeable (generally referred to as lithium battery). The need for protection of lithium batteries is determined by its own characteristics. Because the material of lithium cell itself has decided it can not by overcharge, overdischarge, overflow, short circuit and ultra-high temperature charge-discharge, consequently lithium cell lithium battery pack always can follow a protection shield and a slice of current fuse of taking sampling resistance to appear, and battery power supply protection shield when being connected with the power processing, the protection shield just need carry out the detection of corresponding procedure with testing arrangement. The existing power protection board testing device needs to fix a power protection board on the testing device when testing the toughness of the protection board, and is convenient for subsequent detection, but each power protection size type is different, at the moment, the corresponding testing device needs to be replaced to fix the power protection board and then detect the power protection board, and the power protection boards with various sizes cannot be completely and simultaneously fixed, so that the existing protection board testing device is single in fixity, and therefore, the power protection board testing device is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a power protection shield testing arrangement.

The utility model discloses a power protection board testing device, which adopts the technical proposal that the testing device comprises a base, the base is a rectangular base, a fixed plate is fixedly arranged on the base, the fixed plate is in a rectangular plate shape, a driving column is arranged at the left side of the fixed plate, the driving column is in a circular column shape, the upper end of the driving column is connected with external driving equipment, a pressure measuring rod is fixedly arranged at the lower end of the driving column, the pressure measuring rod is in a circular rod shape, the driving column can drive the pressure measuring rod up and down, an elastic membrane is fixedly arranged on the pressure measuring rod, the elastic pad has elasticity and the inner part of the elastic pad is hollow, two fixed long plates are fixedly arranged on the base, the fixed long plates are in a rectangular plate shape, a fixing device is arranged on the fixed long plates, two fixed short plates are fixedly arranged on the base, the fixed short plates are in a rectangular plate shape, and a second fixing device is arranged on the short fixing plate, and a buffer device is arranged in the elastic membrane.

Preferably, the fixing means comprises: the movable long plates are two in total, the movable long plates are rectangular blocks, one sides of the two movable long plates, which are close to each other, are arc-shaped wall surfaces, the two movable long plates are used for fixing the protection plate with a shorter external dimension, the two movable long plates are positioned between the two fixed long plates, the springs are four in total, the springs can elastically fix the protection plate between the two movable long plates, one end, which is deviated from each other, of each two springs is fixedly connected with one side, which is close to each other, of the two fixed long plates, one end, which is close to each other, of each two springs is fixedly connected with one side, which is deviated from each other, of the two movable long plates, the fixed grooves are two in total, the fixed grooves are rectangular groove-shaped, the fixed grooves can limit and fix the external protection plate, and the two fixed grooves are respectively arranged on the two movable long plates, the elastic pads are two groups in total, the elastic pads can increase the friction force on the protection plate, the elastic pads are rectangular in appearance, and every two elastic pads are fixedly mounted on each fixing groove respectively.

Preferably, the second fixing device includes: the two movable short plates are rectangular plate-shaped, one sides of the two movable short plates, which are close to each other, are arc-shaped wall surfaces, the two movable short plates are used for fixing the protection plate with a longer external dimension, the two movable short plates are positioned between the two fixed short plates, the two springs are four groups in total, the two springs can elastically fix the protection plate between the two movable short plates, the end, which is deviated from each other, of each two springs is fixedly connected with the side, which is close to each other, of the two fixed short plates, the end, which is deviated from each other, of each two springs is fixedly connected with the side, which is deviated from each other, of the two movable short plates, the two fixed grooves are two in total, the two fixed grooves can limit and fix the external protection plate, and the two fixed grooves are respectively arranged on the two movable short plates, the two elastic pads are totally provided with two groups, the two elastic pads can increase the friction force on the protection plate, and every two elastic pads are fixedly arranged on each fixing groove II respectively.

Preferably, the buffer device includes: buffer block, dashpot, buffer beam and buffer spring, the buffer block is oval cubic, and the buffer block can cushion from top to bottom to the cushion, and the buffer block is in the same place with the inner wall laminating of elastic membrane, the dashpot is circular trough-shaped, and the dashpot is seted up on the depression bar, the buffer beam is circular shaft-like, and buffer beam fixed mounting is on the buffer block, inside the upper end of buffer beam runs through the dashpot, inside buffer spring was located the dashpot, and buffer spring can cushion the impact on the buffer block.

Preferably, the upper end of the buffer spring is fixedly connected with the upper end inside the buffer groove, and the lower end of the buffer spring is fixedly connected with the upper end of the buffer rod.

Preferably, the fixed plate is provided with a sliding groove, the sliding groove is in a rectangular groove shape, the driving column is fixedly provided with a connecting block, the connecting block is in a rectangular block shape, the connecting block can support the driving column, the connecting block is movably connected with the inside of the sliding groove, a spring is arranged inside the sliding groove, the upper end of the spring inside the sliding groove is fixedly connected with the lower portion of the connecting block, and the lower end of the spring inside the sliding groove is fixedly connected with the bottom side of the inside of the sliding groove.

The utility model has the advantages that: the power protection board is used for protecting the power module from being damaged by fixedly connecting the power module, when the power protection board is fixedly connected with the power module, firstly, the protection board is required to be subjected to toughness resistance test to detect the toughness of the protection board, the device is provided with a movable long board and a movable short board, the two movable long boards are used for fixedly clamping and connecting the protection board with shorter size, the two movable short boards are used for fixedly clamping and connecting the protection board with longer length, when the protection board is subjected to toughness test, the protection board can be extruded into the space between the two movable long boards, one side of the two movable long boards close to each other is an arc wall surface, at the moment, the protection board can slide to a fixed groove on the movable long board along with the arc wall surface on the movable long board, when the protection board slides to the fixed groove on the two movable long boards, the protection shield just can be fixed by the fixed slot, and the spring on two activity long boards also can be extruded by the protection shield, and a plurality of springs just can extrude fixedly to the protection shield between two activity long boards, and two activity short boards are the same with the fixed principle of activity long board, and at this moment activity long board on this base just can carry out fixed joint to the protection shield of external different size of a dimension with activity short board to reach the fixed effect of improvement to protection shield diversity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1 according to the present invention;

fig. 3 is a schematic diagram of the structure of the buffer block of the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1-3, the portable electronic device comprises a base 1, the base 1 is a rectangular base, a fixed plate 2 is fixedly mounted on the base 1, the fixed plate 2 is in a rectangular plate shape, a sliding groove 3 is formed in the fixed plate 2, the sliding groove 3 is in a rectangular groove shape, a driving column 4 is arranged on the left side of the fixed plate 2, the driving column 4 is in a circular column shape, the upper end of the driving column 4 is connected with an external driving device, a connecting block 5 is fixedly mounted on the driving column 4, the connecting block 5 is in a rectangular block shape, the connecting block 5 can support the driving column 4, the connecting block 5 is movably connected with the inside of the sliding groove 3, a spring is arranged inside the sliding groove 3, the upper end of the spring inside the sliding groove 3 is fixedly connected with the lower portion of the connecting block 5, the lower end of the spring inside the sliding groove 3 is fixedly connected with the bottom side of the inside of the sliding groove 3, and a pressure measuring rod 6 is fixedly mounted at the lower end of the driving column 4, pressure measuring rod 6 is circular shaft-like, and drive column 4 can drive operation about pressure measuring rod 6 carries out, fixed mounting has elastic membrane 7 on pressure measuring rod 6, and elastic membrane 7 self has elasticity and elastic membrane 7 inside to be hollow, fixed mounting has two fixed long boards 8 on the base 1, and fixed long board 8 is rectangular plate-like, be provided with fixing device 9 on the fixed long board 8, fixing device 9 includes: the movable long plates 10 are two in total, the movable long plates 10 are rectangular blocks, the side, close to each other, of each movable long plate 10 is an arc-shaped wall surface, the two movable long plates 10 are used for fixing a protection plate with a short external size, the two movable long plates 10 are located between the two fixed long plates 8, the springs 11 are four in total, the springs 11 can elastically fix the protection plate between the two movable long plates 10, the end, away from each other, of each two springs 11 is fixedly connected with the side, close to each other, of each two fixed long plates 8, the end, close to each other, of each two springs 11 is fixedly connected with the side, away from each other, of each two movable long plates 10, the fixed grooves 12 are two in total, the fixed grooves 12 are rectangular groove-shaped, the fixed grooves 12 can limit and fix the external protection plate, two fixed slots 12 are respectively opened on two movable long plates 10, there are two sets of elastic pads 13 altogether, elastic pads 13 can increase the frictional force to the protection shield, elastic pads 13 are the rectangle outward appearance, every two elastic pads 13 respectively fixed mounting on every fixed slot 12, fixed mounting has two fixed short plates 14 on the base 1, fixed short plate 14 is the rectangular plate form, be provided with fixing device two 15 on the fixed short plate 14, fixing device two 15 includes: the movable short plates 16 are two in total, the movable short plates 16 are rectangular plate-shaped, the sides of the two movable short plates 16 close to each other are arc-shaped wall surfaces, the two movable short plates 16 are used for fixing a protection plate with a longer external dimension, the two movable short plates 16 are located between the two fixed short plates 14, the springs 17 are four in total, the springs 17 can elastically fix the protection plate between the two movable short plates 16, the ends of the two springs 17 departing from each other are fixedly connected with the sides of the two fixed short plates 14 close to each other, the ends of the two springs 17 approaching each other are fixedly connected with the sides of the two movable short plates 16 departing from each other, the fixed slots 18 are two in total, the fixed slots 18 can limit and fix the external protection plate, two fixing grooves 18 are respectively formed in the two movable short plates 16, two groups of elastic pads 19 are provided in total, the two elastic pads 19 can increase friction force on the protection plate, and every two elastic pads 19 are respectively fixedly arranged on each fixing groove 18.

The two fixing grooves 12 and the two fixing grooves 18 are respectively and fixedly provided with an elastic cushion 13 and an elastic cushion 19, the elastic cushion 13 and the elastic cushion 19 have elasticity and friction, after the external protection plate is clamped in the fixing groove 12 and the second fixing groove 18, the protection plate can extrude the two elastic pads 13 and the second fixing groove 18, the two elastic pads 13 and the second elastic pad 19 can increase the friction on the protection plate, when the elastic membrane 7 strikes the protective plate between the movable long plate 10 and the movable short plate 16, the two elastic pads 13 and the two elastic pads 19 can improve the fixation of the protection board on the movable long board 10 and the movable short board 16, therefore, the fixing performance of the protection plates on the movable long plate 10 and the movable short plate 16 is improved, the protection plates are prevented from deviating when the elastic membrane 7 is subjected to impact test, and the subsequent impact test of the elastic membrane 7 is facilitated.

A buffer device 20 is arranged inside the elastic membrane 7, and the buffer device 20 comprises: buffer block 21, dashpot 22, buffer beam 23 and buffer spring 24, buffer block 21 is oval cubic, and buffer block 21 can cushion from top to bottom elastic membrane 7, and buffer block 21 is in the same place with the inner wall laminating of elastic membrane 7, buffer beam 22 is circular trough-shaped, and buffer beam 22 is seted up on pressure measuring bar 6, buffer beam 23 is circular shaft-like, and buffer beam 23 fixed mounting is on buffer block 21, and inside buffer beam 22 was run through to the upper end of buffer beam 23, buffer spring 24 is located inside buffer beam 22, and buffer spring 24 can cushion the impact on buffer block 21, and buffer spring 24's upper end and buffer beam 22 inside upper end fixed connection and buffer spring 24's lower extreme are in the same place with buffer beam 23's upper end fixed connection.

When the drive column 4 drives under outside drive arrangement, the drive column 4 just can drive the pressure measuring pole 6 and make the elastic membrane 7 carry out the downstream and carry out the striking test to the protection shield between two activity long boards 10 and the activity short slab 16, when the elastic membrane 7 striking is on the protection shield, elastic membrane 7 self has elasticity, at this moment elastic membrane 7 just can upwards extrude buffer block 21 when the rebound, buffer block 21 will extrude buffer spring 24 through buffer beam 23, at this moment buffer spring 24 just can carry out certain buffer power to the impact that buffer block 21 self received, when elastic membrane 7 carries out the impact test fast with the protection shield, elastic membrane 7 alright carry out certain buffering through buffer spring 24 to the impact between elastic membrane 7 and the protection shield, thereby reach the effect that reduces the wearability that protection shield self received.

The working principle is as follows: the power protection board is used for protecting the power module from being damaged by fixedly connecting the power module, when the power protection board is fixedly connected with the power module, firstly, the protection board is required to be subjected to toughness resistance test to detect the toughness of the protection board, the device is provided with a movable long board 10 and a movable short board 16, the two movable long boards 10 are used for fixedly clamping and connecting the protection board with a shorter size, the two movable short boards 16 are used for fixedly clamping and connecting the protection board with a longer length, when the protection board is subjected to toughness test, the protection board can be extruded between the two movable long boards 10, the protection board can slide to the fixed grooves 12 on the movable long board 10 along with the arc-shaped wall surfaces on the movable long board 10 to be fixed, the two movable short boards 16 have the same fixing principle as the movable long board 10, and the elastic pads 13 and the elastic pads 19 are respectively and fixedly installed inside the two fixed grooves 12 and the two fixed grooves 18, and cushion 13 and cushion two 19 own have elasticity and frictional property, two cushion 13 and cushion two 19 frictional property on the protection shield that also can increase, drive post 4 when outside drive arrangement drive down, drive post 4 just can drive pressure-measuring pole 6 and make elastic membrane 7 carry out the downstream and carry out the striking test to the protection shield between two movable long boards 10 and the activity short slab 16, when elastic membrane 7 struck on the protection shield, elastic membrane 7 alright carry out certain buffering through buffer spring 24 to the impact between elastic membrane 7 and the protection shield.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A power protection board testing device, comprising a base, characterized in that: a fixing plate is fixedly installed on the base, the left side of the fixing plate is provided with a driving column, and the upper end of the driving column is connected with an external driving device , a pressure measuring rod is fixedly installed on the lower end of the driving column, an elastic film is fixedly installed on the pressure measuring rod, two fixed long boards are fixedly installed on the base, and a fixing device is arranged on the fixed long board, Two fixed short plates are fixedly installed on the base, the second fixed device is provided on the fixed short plates, and a buffer device is arranged inside the elastic membrane.

2 . The power protection board testing device according to claim 1 , wherein the fixing device comprises: a movable long board, a spring, a fixing groove and an elastic pad, and there are two movable long boards in total. 3 . The sides of each movable longboard that are close to each other are arc-shaped walls, and the two movable longboards are located between the two fixed longboards. There are four groups of springs in total, and the ends of each two springs that The sides of the fixed long plates that are close to each other are fixedly connected, and the ends of each two springs that are close to each other are fixedly connected to the sides of the two movable long plates that are away from each other. There are two fixed grooves in total, and the two fixed grooves are respectively Opened on two movable longboards, there are two groups of elastic pads in total, and each two elastic pads are respectively fixed and installed on each fixing groove.

3 . The power protection board testing device according to claim 1 , wherein the second fixing device comprises: a movable short board, a second spring, a second fixing slot and a second elastic pad, and the movable short board has a total of 2 . 4 . Two, the sides of the two movable short boards that are close to each other are arc-shaped walls, and the two movable short boards are located between the two fixed short boards. One end of the two fixed short plates is fixedly connected to the side of the two fixed short plates that are close to each other, and the ends of each two springs that are close to each other are respectively fixed to the side of the two movable short plates that are away from each other. The two fixed grooves have a total of Two, two fixing slots 2 are respectively opened on the two movable short plates, there are two groups of the elastic pads 2 in total, and each two elastic pads 2 are respectively fixed and installed on each fixing slot 2.

4 . The power protection board testing device according to claim 1 , wherein the buffer device comprises: a buffer block, a buffer groove, a buffer rod and a buffer spring, and the buffer block is attached to the inner wall of the elastic film. 5 . , the buffer groove is opened on the pressure measuring rod, the buffer rod is fixedly installed on the buffer block, the upper end of the buffer rod penetrates the inside of the buffer groove, and the buffer spring is located inside the buffer groove.

5 . The power protection board testing device according to claim 4 , wherein the upper end of the buffer spring is fixedly connected to the upper end of the buffer groove and the lower end of the buffer spring is fixedly connected to the upper end of the buffer rod. 6 .

6 . The power protection board testing device according to claim 1 , wherein a chute is provided on the fixing plate, a connecting block is fixedly installed on the driving column, and the connecting block is connected to the inside of the chute. 7 . movably connected together, the inside of the chute is provided with a spring, the upper end of the inner spring of the chute is fixedly connected to the lower part of the connecting block, and the lower end of the inner spring of the chute is fixedly connected to the inner bottom side of the chute.