CN214843887U

CN214843887U - Collision detection device for new energy battery

Info

Publication number: CN214843887U
Application number: CN202120379136.3U
Authority: CN
Inventors: 赵海; 董志洋
Original assignee: Suzhou Chunfen Test Technology Service Co ltd
Current assignee: Suzhou Chunfen Test Technology Service Co ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-11-23
Anticipated expiration: 2031-02-18

Abstract

The utility model discloses a collision detection device for a new energy battery, which comprises a moving sliding table advancing at a constant speed, a second collision device arranged above the moving sliding table and a first collision device arranged on one side above the moving sliding table; an acceleration sensor is arranged on the second collision device; the beneficial effects of the utility model are that, the collision test effect is good, and the people of being convenient for use is applicable to the battery collision detection of small-mass.

Description

Collision detection device for new energy battery

Technical Field

The utility model relates to an automobile new energy battery technical field, especially a collision detection device for new energy battery.

Background

The current second collision device for the new energy battery is usually used for testing the collision quality with a larger load and can not meet the collision test requirements of some batteries with small mass.

In view of the foregoing, there is a need for an improved crash detection device that can accommodate the current need for low mass battery crash test detection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses can act on the needs that little battery collision detected the use, solve the technical defect that prior art exists, the people of being convenient for use.

The technical scheme of the utility model is that, the collision detection device for the new energy battery comprises a moving sliding table which advances at a constant speed, a second collision device which is arranged above the moving sliding table, and a first collision device which is arranged on one side above the moving sliding table; and an acceleration sensor is arranged on the second collision device.

The technical scheme is further supplemented, and the mobile sliding table runs at the speed of 50 km/h.

To this technical scheme's further supplement, first collision device is including playing the fixed block of supporting role, fixed block fixed mounting is in the tip that removes the slip table, fixed mounting has a plurality of energy-absorbing pipes on the fixed block, energy-absorbing pipe front end is equipped with protruding type bulb.

Further supplementing the technical scheme, polyurethane is filled in the energy absorption tube.

The technical scheme is further supplemented, the second collision device comprises a connecting block fixedly arranged on the movable sliding table, a supporting column arranged above the connecting block, a connecting column arranged in the horizontal direction of the supporting column, a vertical plate arranged on the connecting column, optical shafts arranged at the upper end and the lower end of one side of the vertical plate, and collision heads fixedly connected with one sides of the optical shafts at the upper end and the lower end, wherein the optical shafts penetrate through the left surface and the right surface of the vertical plate and are in sliding contact with the vertical plate; a groove is formed in the collision head, and the acceleration sensor is installed in the groove.

The technical scheme is further supplemented, and the acceleration sensor is arranged in the middle position in the groove.

Further supplementing the technical scheme, a linear bearing is installed on the optical axis and is installed in a contact position of the vertical plate and the optical axis.

The technical scheme is further supplemented, and the cross section of the collision head is arc-shaped.

To the further supplement of this technical scheme, still be equipped with on the removal slip table and strengthen the support, the one end fixed mounting who strengthens the support is on removing the slip table, and its other end fixed mounting is in the lower surface of riser.

The battery collision detection device has the advantages that the movable sliding table moves forwards at a certain speed, the second collision device above the movable sliding table moves along with the movable sliding table, before the second collision device is about to contact a battery, the first collision device collides into the existing speed reduction device to reduce the speed of the movable sliding table, the second collision device on the movable sliding table can continue to move forwards due to inertia, the second collision device can ignore friction force to move forwards through the installed linear bearing, then the second collision device collides with the battery, the acceleration sensor on the second collision device can monitor instantaneous acceleration change, the collision test effect is good, the battery collision detection device is convenient for people to use, and the battery collision detection device is suitable for small-mass battery collision detection.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

in the figure, 1, a sliding table is moved; 21. a fixed block; 22. an energy absorbing tube; 23. a convex ball head; 31. connecting blocks; 32. a support pillar; 33. connecting columns; 34. a vertical plate; 35. an optical axis; 36. a collision head; 361. a groove; 37. and reinforcing the bracket.

Detailed Description

In order to make the technical solution more clear to those skilled in the art, the technical solution of the present invention will be described in detail below with reference to fig. 1: firstly, the utility model comprises a mobile sliding table 1, a first collision device and a second collision device, wherein the mobile sliding table 1 advances at a constant speed during working so as to provide a certain environment for the subsequent collision device to work conveniently, and preferably, the mobile sliding table 1 advances at a speed of 50 km/h; the first collision device and the second collision device are both arranged on the movable sliding table 1, and the acceleration sensor is arranged on the second collision device and used for monitoring the acceleration change of the second collision device when the second collision device collides with the battery, so that the mobile sliding table is convenient for people to use; the structure of the first and second crash devices will be explained in detail below:

first collision device, it is including playing supporting role's fixed block 21, the lower fixed surface of fixed block 21 is installed in the tip of removing 1 top of slip table, fixed mounting has a plurality of energy-absorbing pipes 22 on it, energy-absorbing pipe 22 inside is filled with polyurethane, energy-absorbing pipe 22 front end fixed mounting has protruding type bulb 23, in operation, remove slip table 1 at the uniform velocity and move forward, until energy-absorbing pipe 22 and protruding type bulb 23 on the first collision device bump into current decelerator in, rub the energy-absorbing that slows down, and then remove slip table 1 and slow down thereupon.

The second collision device comprises a connecting block 31 fixedly mounted on the movable sliding table 1, a supporting column 32 arranged above the connecting block 31, a connecting column 33 arranged in the horizontal direction of the supporting column 32, a vertical plate 34 arranged on the connecting column 33, optical axes 35 arranged at the upper end and the lower end of one side of the vertical plate 34, and collision heads 36 fixedly connected with one side of the optical axes 35 at the upper end and the lower end, wherein the lower surface of the supporting column 32 is fixedly connected with the upper surface of the connecting block 31, the right surface of the connecting column 33 is fixedly connected with the left surface of the supporting column 32, the right surface of the vertical plate 34 is fixedly connected with the left surface of the connecting column 33, and the optical axes 35 penetrate through the left surface and the right surface of the vertical plate 34 and are in sliding contact with the vertical plate; a groove 361 is formed in the collision head 36, and the acceleration sensor is mounted in the groove 361; further, in order to make the test more accurate, the acceleration sensor is installed at the middle position in the groove 361; when the optical axis 35 moves, if only the connecting column 33 is used for supporting the vertical plate 34, the supporting effect is poor, and certain potential safety hazards may exist, so that a reinforcing bracket 37 is further arranged on the movable sliding table 1, one end of the reinforcing bracket 37 is fixedly installed on the movable sliding table 1, and the other end of the reinforcing bracket 37 is fixedly installed on the lower surface of the vertical plate 34; during operation, the movable sliding table 1 decelerates under the action of the first collision device, at the moment, the second collision device can continue to move forwards due to inertia, and the optical axis 35 is slidably mounted on the vertical plate 34, so that the optical axis 35 can move forwards during deceleration, namely the optical axes 35 on the two sides work simultaneously to drive the collision heads 36 to collide with the batteries in front, wherein the length of the optical axis 35 can be adjusted as required, and the collision heads 36 can collide with the batteries under the inertia forward tilting condition.

In order to protect the battery during a collision, the collision head 36 has an arc-shaped cross section.

In order to reduce the friction force at the contact position of the optical axis 35 and the vertical plate 34 when the optical axis 35 moves under the inertial condition, a linear bearing is mounted on the optical axis 35 and is mounted in the contact position of the vertical plate 34 and the optical axis 35.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A collision detection device for a new energy battery is characterized by comprising a moving sliding table (1) advancing at a constant speed, a first collision device arranged on one side above the moving sliding table (1), and a second collision device arranged above the moving sliding table (1); and an acceleration sensor is arranged on the second collision device.

2. The collision detecting device for a new energy battery according to claim 1, characterized in that the moving slide (1) is advanced at a speed of 50 km/h.

3. The collision detection device for the new energy battery according to claim 2, characterized in that the first collision device comprises a fixing block (21) which plays a supporting role, the fixing block (21) is fixedly installed at the end part of the movable sliding table (1), a plurality of energy-absorbing pipes (22) are fixedly installed on the fixing block (21), and the front ends of the energy-absorbing pipes (22) are provided with convex bulbs (23).

4. The collision detecting device for the new energy battery as claimed in claim 3, wherein the energy absorbing tube (22) is filled with polyurethane.

5. The collision detection device for the new energy battery according to claim 4, wherein the second collision device comprises a connecting block (31) fixedly mounted on the movable sliding table (1), a supporting column (32) arranged above the connecting block (31), a connecting column (33) arranged in the horizontal direction of the supporting column (32), a vertical plate (34) arranged on the connecting column (33), optical axes (35) arranged at the upper end and the lower end of one side of the vertical plate (34), and collision heads (36) fixedly connected with one side of the optical axes (35) at the upper end and the lower end, wherein the optical axes (35) penetrate through the left surface and the right surface of the vertical plate (34) and are in sliding contact with the vertical plate; a groove (361) is formed in the collision head (36), and the acceleration sensor is installed in the groove (361).

6. The collision detecting device for the new energy battery as claimed in claim 5, wherein the acceleration sensor is installed at an intermediate position within the groove (361).

7. The collision detecting device for the new energy battery as claimed in claim 5 or 6, wherein a linear bearing is mounted on the optical axis (35), and the linear bearing is mounted in a contact part of the vertical plate (34) and the optical axis (35).

8. The collision detecting device for the new energy battery as claimed in claim 6, wherein the collision head (36) has an arc-shaped cross section.

9. The collision detection device for the new energy battery according to claim 5, wherein a reinforcing bracket (37) is further arranged on the movable sliding table (1), one end of the reinforcing bracket (37) is fixedly installed on the movable sliding table (1), and the other end of the reinforcing bracket is fixedly installed on the lower surface of the vertical plate (34).