CN112816349A

CN112816349A - Intelligent detection device for weight impact resistance of power battery for new energy automobile

Info

Publication number: CN112816349A
Application number: CN202011617419.3A
Authority: CN
Inventors: 王哲涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-18

Abstract

The invention discloses an intelligent detection device for the heavy object impact resistance of a power battery for a new energy automobile, which comprises an intelligent detection device body, a protective box and a servo motor, wherein the protective box is fixedly arranged in the middle of the upper end of the intelligent detection device body, a transmission rod penetrates through the protective box, the inner end of a movable plate is arranged in a positioning cover plate, the inner part of the positioning cover plate and the end part of the movable plate are connected with each other through a built-in spring, a linking gear is arranged in a blocking box, a push rod is arranged on the side of the linking gear, an air guide pipe is arranged at the lower end of an air flow box, and a one-way circulation valve is fixedly connected on the air guide pipe. This power battery anti heavy object impact property intellectual detection system device for new energy automobile can play good guard action to the battery at the in-process that detects, can in time control the condition of a fire after the battery detects the explosion simultaneously, and can play effectual positioning action to the position of battery when detecting.

Description

Intelligent detection device for weight impact resistance of power battery for new energy automobile

Technical Field

The invention relates to the technical field of power batteries, in particular to an intelligent detection device for the weight impact resistance of a power battery for a new energy automobile.

Background

The new energy automobile is a vehicle using an unconventional dye as a power source, and with the proposal of energy conservation and emission reduction of the country, the new energy automobile is widely popularized and used in various regions, new energy batteries include several categories such as pure electric automobiles, hybrid electric automobiles and fuel cell automobiles, however, the duration of part of new energy automobiles depends on the power batteries in the new energy automobiles, so that an intelligent detection device for the anti-weight impact performance is generally used during the production of the power batteries, and the intelligent detection device for the anti-weight impact performance can adopt a mode of weight impact to observe the change of the voltage and other numerical values of the batteries and whether the batteries explode or ignite.

However, most of the existing intelligent detection devices for the impact resistance of heavy objects have the following problems:

the weight impact device for battery detection is disclosed as CN111442895A, wherein when the weight impact performance of the battery is detected, the battery is directly placed on a battery placing seat for detection, the battery is directly exposed, when the battery is exploded and ignited in the detection process, the fire cannot be timely controlled, meanwhile fragments with sparks after explosion bring unnecessary influence to surrounding workers due to sputtering, and even other inflammable goods can be ignited;

second, current anti heavy object impact property intelligent detection device is when detecting battery performance, is not convenient for play good positioning action to the position of battery to lead to the battery to change because of the skew of self position at the in-process that lasts the detection easily, and then influence the reliability of final testing result.

Therefore, the intelligent detection device for the weight impact resistance of the power battery for the new energy automobile is provided so as to solve the problems.

Disclosure of Invention

The invention aims to provide an intelligent detection device for the weight impact resistance of a power battery for a new energy automobile, the intelligent detection device for the anti-heavy object impact performance in the existing market proposed by the background technology solves the problems that when the detection is carried out, batteries are directly placed on the battery placing seat for detection, the batteries are directly exposed, when the batteries explode and catch fire in the detection process, the fire cannot be timely controlled, meanwhile, fragments with sparks after explosion can bring unnecessary influence to surrounding workers due to sputtering at four positions, even other inflammable materials can be ignited, the battery performance is detected, and simultaneously, the battery positioning device is inconvenient to have good positioning effect on the position of the battery, therefore, the battery is easy to change due to the deviation of the position of the battery during the continuous detection process, and the reliability of the final detection result is affected.

In order to achieve the purpose, the invention provides the following technical scheme: an intelligent detection device for the heavy object impact resistance of a power battery for a new energy automobile comprises an intelligent detection device body, a protection box and a servo motor, wherein the middle of the upper end of the intelligent detection device body is fixedly provided with the protection box, the inside of the protection box is provided with a transmission rod in a penetrating way, the left end of the transmission rod is fixedly arranged at the output end of the servo motor, the middle of the transmission rod is provided with a defective gear, the lower end of the defective gear is provided with a circular gear, the middle of the circular gear is provided with a central rod, the end part of the central rod is provided with a vortex spring, the central rod is wound and connected with a lifting rope, the lower end of the lifting rope is fixedly arranged at the upper end side of a lifting cylinder, an adjusting rod is arranged at the side of the transmission rod, the lower end of the adjusting rod, and through built-in spring interconnect between the inside of location apron and the tip of movable plate to the inboard middle part of location apron has seted up the butt joint groove, the location apron is installed at the upper end avris that hinders the case, and the front side fixed mounting who hinders the case has the observation window, the internally mounted of hindering the case has linking gear, and links up the avris of gear and install the catch bar, the outside at the stripper plate is installed to the outer end of catch bar, and the stripper plate installs the inside at the air current case, the air duct is installed to the lower extreme of air current case, and fixedly connected with one-way flow valve on the air duct to the avris fixedly connected with conveyer pipe of air current case.

Preferably, the surfaces of the two ends of the transmission rod are provided with reciprocating threads, the end part of the transmission rod is in threaded connection with the upper end of the adjusting rod, and the lower end of the adjusting rod and the moving plate are in a welding integrated structure.

Preferably, the lateral side all sets up to sawtooth structure about the cylindrical lower extreme of jack-up, and all for the meshing connection between lateral side and the linking gear about the cylindrical lower extreme of jack-up to constitute revolution mechanic between the middle part of linking gear and the inside of baffle box.

Preferably, the left side and the right side of the lifting cylinder are welded with supporting side rods, the outer ends of the supporting side rods are mounted on sliding blocks, and the sliding blocks are mounted inside the lateral plates.

Preferably, the moving plate and the positioning cover plate form an elastic telescopic structure through an internal spring, and the positioning cover plate is in sliding connection with the blocking box.

Preferably, the positioning cover plates are symmetrically arranged about a vertical central axis of the baffle box, the middle parts of the inner sides of the symmetrically distributed positioning cover plates are provided with butt joint grooves, and the inner walls of the butt joint grooves are attached to the outer wall above the lifting cylinder.

Preferably, the outer ends of the supporting side rods are connected with the sliding blocks in a hinged mode, the sliding blocks and the lateral plates form a sliding connection structure, and a rotating structure is formed between the upper ends of the lateral plates and the lower end edge side of the protective box.

Preferably, the lateral plates and the pair of clamping plates are connected with each other through a traction rope, the pair of clamping plates are arranged inside the blocking box, and a rotating structure is formed between the middle part of the pair of clamping plates and the inside of the blocking box.

Preferably, the pair of clamping plates are symmetrically arranged about a vertical central axis of the baffle box, the inner ends of the symmetrically distributed pair of clamping plates are fixedly connected with end part air bags, and sufficient calcium bicarbonate powder is filled in the end part air bags.

Compared with the prior art, the invention has the beneficial effects that: the intelligent detection device for the heavy object impact resistance of the power battery for the new energy automobile can play a good protection role on the battery in the detection process, can control the battery to detect the fire after explosion in time, and can play an effective positioning role on the position of the battery in the detection process;

1. the blocking box is arranged, the adjusting rod can move under the action of reciprocating threads at the end part due to the rotation of the transmission rod, the moving of the adjusting rod can drive the moving plate and the positioning cover plate to move towards the inner side of the blocking box, and the blocking box can be integrally enclosed into a closed space through the movement of the positioning cover plate, so that the blocking box can play a role in blocking and protecting splashed fragments when the battery explodes;

2. the hoisting cylinder is arranged, when the hoisting cylinder falls to detect the battery, the positioning cover plate encloses the separation box into a closed space, at the moment, the hoisting cylinder continues to fall and then utilizes the mutual meshing between the sawtooth structure of the side and the connecting gear, so that the connecting gear can rotate, the extrusion plate can be made to reciprocate in the airflow box under the action of the push rod through the rotation of the connecting gear, the air in the airflow box can be pumped out through the extrusion plate which reciprocates, the oxygen content in the separation box is reduced, and the contact between the battery and a large amount of oxygen during ignition is reduced, so that the fire condition is aggravated;

3. be provided with to splint, can make the upper end of side direction board rotate under the effect of support side lever and sliding block after the jack-up cylinder falls, rotation through the side direction board can move under the effect of haulage rope and rotate the splint inboard, thereby utilize the rotation to splint to carry on spacingly to the avris of battery this moment, thereby simultaneously can play the cushioning effect when the centre gripping through the tip gasbag to splint inboard, take place to break after the tip gasbag is heated, the calcium carbonate powder of inside capacity can be decomposed into water after being heated, thereby the water that produces after the utilization decomposes can play the effect of further putting out a fire.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a side view of the incomplete gear and the circular gear of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention center rod and scroll spring;

FIG. 4 is a side view of the actuator rod and the adjustment lever of the present invention;

FIG. 5 is a schematic view of a top-down structure of the adjusting lever and the moving plate according to the present invention;

FIG. 6 is an enlarged view of FIG. 1 of the present invention;

FIG. 7 is a schematic cross-sectional view of the slider and side plates of the present invention;

FIG. 8 is a schematic cross-sectional view of an engagement gear and an airflow box of the present invention;

FIG. 9 is a top view of the cleat and end bladder of the present invention.

In the figure: 1. an intelligent detection device body; 2. a protective box; 3. a transmission rod; 4. a servo motor; 5. a stub gear; 6. a circular gear; 7. a center pole; 8. a scroll spring; 9. a lifting rope; 10. a lifting cylinder; 11. adjusting a rod; 12. moving the plate; 13. positioning a cover plate; 14. a built-in spring; 15. a butt joint groove; 16. a barrier box; 17. an observation window; 18. engaging the gears; 19. a push rod; 20. a pressing plate; 21. an airflow box; 22. an air duct; 23. a one-way flow valve; 24. a delivery pipe; 25. supporting the side rods; 26. a slider; 27. a lateral plate; 28. a hauling rope; 29. aligning the clamping plates; 30. an end airbag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: an intelligent detection device for the heavy object impact resistance of a power battery for a new energy automobile comprises an intelligent detection device body 1, a protective box 2, a transmission rod 3, a servo motor 4, a incomplete gear 5, a round gear 6, a central rod 7, a vortex spring 8, a lifting rope 9, a lifting cylinder 10, an adjusting rod 11, a moving plate 12, a positioning cover plate 13, a built-in spring 14, a butt-joint groove 15, a blocking box 16, an observation window 17, a linking gear 18, a push rod 19, an extrusion plate 20, an airflow box 21, an air duct 22, a one-way flow valve 23, a conveying pipe 24, a supporting side rod 25, a sliding block 26, a side plate 27, a traction rope 28, a butt-clamp plate 29 and an end air bag 30, wherein the protective box 2 is fixedly installed in the middle of the upper end of the intelligent detection device body 1, the transmission rod 3 is installed inside the protective box 2 in a penetrating mode, and, a incomplete gear 5 is arranged in the middle of the transmission rod 3, a round gear 6 is arranged at the lower end of the incomplete gear 5, a central rod 7 is arranged in the middle of the round gear 6, a vortex spring 8 is arranged at the end part of the central rod 7, a lifting rope 9 is wound and connected on the central rod 7, the lower end of the lifting rope 9 is fixedly arranged on the upper end side of the lifting cylinder 10, an adjusting rod 11 is arranged on the side of the transmission rod 3, the lower end of the adjusting rod 11 is fixedly arranged on the upper end of a movable plate 12, the inner end of the movable plate 12 is arranged in a positioning cover plate 13, the inner part of the positioning cover plate 13 and the end part of the movable plate 12 are mutually connected through a built-in spring 14, a butt joint groove 15 is formed in the middle of the inner side of the positioning cover plate 13, the positioning cover plate 13 is arranged on the upper end side of a, and the lateral side of the connecting gear 18 is provided with a push rod 19, the outer end of the push rod 19 is arranged on the outer side of the extrusion plate 20, the extrusion plate 20 is arranged in the air flow box 21, the lower end of the air flow box 21 is provided with an air duct 22, the air duct 22 is fixedly connected with a one-way circulation valve 23, and the lateral side of the air flow box 21 is fixedly connected with a conveying pipe 24.

The surfaces of the two ends of the transmission rod 3 are provided with reciprocating threads, the end part of the transmission rod 3 is in threaded connection with the upper end of the adjusting rod 11, the lower end of the adjusting rod 11 and the moving plate 12 are in a welding integrated structure, the rotation of the transmission rod 3 enables the adjusting rod 11 to reciprocate left and right under the action of the reciprocating threads at the two ends, and the moving plate 12 can move synchronously by means of the movement of the adjusting rod 11.

The avris all sets up to serration structure about the lower extreme of jack-up cylinder 10, and about the lower extreme of jack-up cylinder 10 the avris all with link up for the meshing is connected between the gear 18 to constitute revolution mechanic between the middle part of link up gear 18 and the inside of separation case 16, the removal of jack-up cylinder 10 can make link up gear 18 rotate under serration structure's effect.

The left side and the right side of the lifting column 10 are welded with supporting side rods 25, the outer ends of the supporting side rods 25 are installed on sliding blocks 26, the sliding blocks 26 are installed inside lateral plates 27, the movement of the lifting column 10 can drive the supporting side rods 25 to move synchronously, and the sliding blocks 26 can move synchronously by the movement of the supporting side rods 25.

An elastic telescopic structure is formed between the moving plate 12 and the inner part of the positioning cover plate 13 through an internal spring 14, the positioning cover plate 13 is in sliding connection with the separation box 16, and the upper end of the separation box 16 can be conveniently sealed by utilizing the sliding of the positioning cover plate 13 on the separation box 16.

The locating cover plate 13 is symmetrically arranged about the vertical central axis of the baffle box 16, the middle part of the inner side of the locating cover plate 13 which is symmetrically distributed is provided with a butt joint groove 15, the inner wall of the butt joint groove 15 is mutually attached to the outer wall of the upper part of the lifting cylinder 10, and the inner side of the locating cover plate 13 is mutually attached to the butt joint groove 15 and the lifting cylinder 10, so that the external air can be conveniently separated.

The outer ends of the supporting side rods 25 are connected with the sliding blocks 26 in a hinged mode, a sliding connection structure is formed between the sliding blocks 26 and the lateral plates 27, a rotating structure is formed between the upper ends of the lateral plates 27 and the lower end side of the protective box 2, and the sliding of the sliding blocks 26 inside the lateral plates 27 enables the upper ends of the lateral plates 27 to rotate around the protective box 2.

The lateral plate 27 and the opposite clamping plate 29 are connected with each other through a traction rope 28, the opposite clamping plate 29 is installed inside the blocking box 16, a rotating structure is formed between the middle part of the opposite clamping plate 29 and the inside of the blocking box 16, and the opposite clamping plate 29 can be rotated inside the blocking box 16 under the action of the traction rope 28 through the rotation of the lateral plate 27.

The pair of clamp plates 29 are symmetrically arranged about the vertical central axis of the separation box 16, the symmetrically distributed pair of clamp plates 29 are fixedly connected with the end part air bags 30 at the inner ends, the inside of each end part air bag 30 is filled with sufficient calcium bicarbonate powder, the end part air bags 30 at the ends of the clamp plates 29 can play a role in buffering when batteries are fixed, and meanwhile, the sufficient calcium bicarbonate powder inside the end part air bags 30 can be decomposed into water after being heated, so that the effect of extinguishing fire is achieved.

The working principle is as follows: when the intelligent detection device for detecting the heavy object impact resistance of the power battery for the new energy automobile is used, firstly, as shown in the figures 1-9, a battery to be detected is placed in the middle of the inner side of the separation box 16, the servo motor 4 is started at the moment, the driving rod 3 can drive the incomplete gear 5 to rotate by starting the servo motor 4, when the tooth blocks on the incomplete gear 5 and the tooth blocks on the circular gear 6 are in mutual contact, the circular gear 6 can drive the central rod 7 to rotate, the lifting rope 9 can be wound by utilizing the rotation of the central rod 7, then the lifting cylinder 10 is lifted after the lifting rope 9 is stored, when the tooth blocks on the incomplete gear 5 are not in mutual contact with the tooth blocks on the circular gear 6, the central rod 7 is reset under the action of the vortex spring 8, and the lifting cylinder 10 suddenly falls to perform impact detection on the battery in the separation box 16, at this time, in order to effectively change the gravity of the lifting cylinder 10 to detect different data, weights with different weights can be added at the upper end of the lifting cylinder 10 for testing, as shown in fig. 1, 4 and 5, when the lifting cylinder 10 falls down to detect a battery, the rotation of the transmission rod 3 can enable the adjusting rod 11 to move inwards under the action of reciprocating threads at two ends, the movement of the adjusting rod 11 can drive the moving plate 12 and the positioning cover plate 13 to move synchronously at the beginning, and then when the inner ends of the symmetrically-distributed positioning cover plates 13 are contacted with each other, the moving plate 12 slides inside the positioning cover plate 13 after the adjusting rod 11 moves, so that the symmetrically-distributed positioning cover plates 13 can integrally seal the barrier box 16, and thus, the situation that the splashed fragments of the battery which explodes during detection can cause injury to surrounding workers is prevented;

as shown in fig. 1 and 8, when the lifting cylinder 10 falls down to perform impact detection on the battery, the lower end side of the lifting cylinder 10 moves and then is engaged with the engaging gear 18, at this time, the engaging gear 18 rotates under the action of the sawtooth structure at the lower end side of the lifting cylinder 10, the rotation of the engaging gear 18 can enable the pressing plate 20 to reciprocate inside the air flow box 21 under the action of the pushing rod 19, at this time, the reciprocating motion of the pressing plate 20 can be used for sucking the air inside the closed separation box 16 into the air flow box 21 under the action of the air duct 22 and the conveying pipe 24 and discharging the air outside the separation box 16, so as to reduce the content of the air inside the closed separation box 16, and further, when the battery explodes and fires after detection, the content of the air inside the closed separation box 16 can be reduced, so that the contact amount between the fire and the oxygen content is greatly reduced, meanwhile, the blocking box 16 is closed to prevent the outside air from entering, so that the further expansion of the fire condition after the battery is ignited is avoided;

as shown in fig. 1 and fig. 7-9, when the lifting cylinder 10 falls down, the supporting side rod 25 moves downward, the movement of the supporting side rod 25 can make the sliding block 26 slide on the temporal part of the side plate 27, then the upper end of the side plate 27 rotates around the lower end side of the protective box 2, then the rotated side plate 27 can pull the clamping plate 29 under the action of the pulling rope 28, then the clamping plate 29 is rotated in the interior of the protective box 16 under the pulling force of the pulling rope 28, the battery is limited by the clamping plate 29 rotated inward, the position deviation is avoided, when the clamping plate 29 clamps the battery, a certain buffering effect can be achieved through the elasticity of the end air bag 30 at the inner side, finally, when the battery explodes and catches fire, the end air bag 30 is heated and broken, and a sufficient amount of calcium bicarbonate powder filled in the interior flows outward, at the moment, the calcium bicarbonate powder is heated and decomposed to generate water, and the water generated after decomposition is utilized to play a further role in fire extinguishing protection.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a new energy automobile is with anti heavy object impact property intellectual detection system device of power battery, includes intellectual detection system device body (1), protective housing (2) and servo motor (4), its characterized in that: the intelligent detection device comprises an intelligent detection device body (1), wherein a protection box (2) is fixedly arranged in the middle of the upper end of the intelligent detection device body (1), a transmission rod (3) is arranged inside the protection box (2) in a penetrating mode, the left end of the transmission rod (3) is fixedly arranged at the output end of a servo motor (4), a incomplete gear (5) is arranged in the middle of the transmission rod (3), a round gear (6) is arranged at the lower end of the incomplete gear (5), a central rod (7) is arranged in the middle of the round gear (6), a vortex spring (8) is arranged at the end of the central rod (7), a lifting rope (9) is wound on the central rod (7), the lower end of the lifting rope (9) is fixedly arranged at the side of the upper end of a lifting cylinder (10), an adjusting rod (11) is arranged at the side of the transmission rod (3), and, the inner of the movable plate (12) is arranged in the positioning cover plate (13), the inner of the positioning cover plate (13) and the end of the movable plate (12) are connected with each other through an internal spring (14), a butt joint groove (15) is formed in the middle of the inner side of the positioning cover plate (13), the positioning cover plate (13) is arranged on the side of the upper end of the separation box (16), an observation window (17) is fixedly arranged on the front side of the separation box (16), a linking gear (18) is arranged in the separation box (16), a push rod (19) is arranged on the side of the linking gear (18), the outer end of the push rod (19) is arranged on the outer side of the extrusion plate (20), the extrusion plate (20) is arranged in the air flow box (21), an air guide pipe (22) is arranged at the lower end of the air flow box (21), and a one-way circulation valve (23) is fixedly connected to the air guide, and a delivery pipe (24) is fixedly connected with the side of the airflow box (21).

2. The intelligent detection device for the weight impact resistance of the power battery for the new energy automobile according to claim 1, characterized in that: the surface of the two ends of the transmission rod (3) is provided with reciprocating threads, the end part of the transmission rod (3) is in threaded connection with the upper end of the adjusting rod (11), and the lower end of the adjusting rod (11) is in a welding integrated structure with the moving plate (12).

3. The intelligent detection device for the weight impact resistance of the power battery for the new energy automobile according to claim 1, characterized in that: the avris all sets up to serration structure about the lower extreme of jack-up cylinder (10), and about the lower extreme of jack-up cylinder (10) the avris all with link gear (18) between be connected for the meshing to constitute revolution mechanic between the middle part of link gear (18) and the inside of separation case (16).

4. The intelligent detection device for the weight impact resistance of the power battery for the new energy automobile according to claim 1, characterized in that: the left side and the right side of the lifting column (10) are welded with supporting side rods (25), the outer ends of the supporting side rods (25) are installed on sliding blocks (26), and the sliding blocks (26) are installed inside lateral plates (27).

5. The intelligent detection device for the weight impact resistance of the power battery for the new energy automobile according to claim 1, characterized in that: the moving plate (12) and the positioning cover plate (13) form an elastic telescopic structure through a built-in spring (14), and the positioning cover plate (13) is in sliding connection with the blocking box (16).

6. The intelligent detection device for the weight impact resistance of the power battery for the new energy automobile according to claim 1, characterized in that: the positioning cover plates (13) are symmetrically arranged about a vertical central axis of the baffle box (16), the middle parts of the inner sides of the symmetrically distributed positioning cover plates (13) are provided with butt joint grooves (15), and the inner walls of the butt joint grooves (15) are attached to the outer wall of the upper portion of the lifting cylinder (10).

7. The intelligent detection device for the weight impact resistance of the power battery for the new energy automobile according to claim 4, characterized in that: the outer ends of the supporting side rods (25) are connected with the sliding blocks (26) in a hinged mode, a sliding connection structure is formed between the sliding blocks (26) and the lateral plates (27), and a rotating structure is formed between the upper ends of the lateral plates (27) and the lower end edge side of the protective box (2).

8. The intelligent detection device for the weight impact resistance of the power battery for the new energy automobile according to claim 7, characterized in that: the lateral plates (27) and the opposite clamping plates (29) are connected with each other through a traction rope (28), the opposite clamping plates (29) are installed inside the isolation box (16), and a rotating structure is formed between the middle parts of the opposite clamping plates (29) and the inside of the isolation box (16).

9. The intelligent detection device for the weight impact resistance of the power battery for the new energy automobile according to claim 8, characterized in that: the pair of clamping plates (29) are symmetrically arranged about the vertical central axis of the separation box (16), the inner ends of the symmetrically distributed pair of clamping plates (29) are fixedly connected with end air bags (30), and sufficient calcium bicarbonate powder is filled in the end air bags (30).