CN204154565U - power battery extrusion testing machine - Google Patents

Abstract

The utility model relates to a power battery compression testing machine is refered in particular to in battery testing equipment field, including elevating system (1), extrusion accredited testing organization (2), hydraulic system (4), control box (7) and outer box (8), elevating system (1) extrusion accredited testing organization (2) hydraulic system (4) all set up in outer box (8), extrusion accredited testing organization (2) with elevating system (1) cooperation is connected, elevating system (1) extrusion accredited testing organization (2) hydraulic system (4) all with control box (7) electricity is connected. The structure design is compact, the space is not occupied, the operation is simple, convenient and comfortable, the observation and the recording are convenient, and the safety performance is good.

Description

Power battery extrusion testing machine

technical field

The utility model relates to the field of battery testing equipment, in particular to a power battery extrusion testing machine.

Background technique

Referring to the provisions of the "Lithium-ion Batteries for Electric Vehicles QC/T 743-2006" standard, manufacturers must conduct testing tests on the corresponding technical performance and technical indicators of lithium-ion batteries for electric vehicles that have been manufactured. However, the corresponding battery testing and testing equipment is required for the testing of lithium-ion storage for electric vehicles. Here, it refers to testing and testing equipment that can withstand extrusion deformation of power batteries.

The traditional method and machinery used for battery extrusion test is to test the impact extrusion performance of the battery by relying on the gravity of the weight falling. The compression is completed in an instant, unable to provide continuous test observation, and it is difficult to change the force, which is not accurate and intuitive, resulting in inaccurate extrusion test data of the battery, which cannot truly reflect the impact extrusion performance of the battery.

Utility model content

The purpose of the utility model is to provide a power battery detection and testing machine with a compact structure design, no space occupation, easy and comfortable operation, convenient observation and recording, and good safety performance in view of the shortcomings of the existing technology.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a power battery extrusion testing machine, including a lifting mechanism, an extrusion testing mechanism, a hydraulic system, a control box and an outer box, the lifting mechanism, the extrusion testing mechanism and the hydraulic system are all set in the outer box, the extrusion testing mechanism is connected with the lifting mechanism, the lifting mechanism, the extrusion testing mechanism and the hydraulic system are all connected with the control Box electrical connection.

The lifting mechanism includes a drive motor, a transmission system, a lifting screw, a battery placement plate and a support, the input end of the transmission system is connected to the output end of the driving motor, and the input end of the lifting screw rod is connected to the transmission The output end of the system is connected, and the battery placement plate is movably arranged above the bracket through the lifting screw.

The bracket is arranged in a "U" shape, and guide posts are connected between the bracket and the battery placement plate.

The outer box includes a detection box, a power box, a detection box door and a lifting control panel, the detection box door and the lifting control panel are both arranged on the detection box, and the detection box door and the power box are both Equipped with an observation window.

The detection box is provided with a frame, and the frame includes a first wall board, a second wall board and a guide rod, and the guide rod is arranged between the first wall board and the second wall board.

The extrusion test mechanism includes an extrusion sticking board, an extrusion special-shaped board, an extrusion flat plate, a guide pulley group and a sensor, the extrusion sticking board is arranged on the inner side of the second wallboard, and the extrusion flat board passes through the The sensor is connected to the output end of the hydraulic system, the extruded special-shaped plate is arranged on the end face of the extruded flat plate, and the guide pulley group is connected with the extruded flat plate and hung on the guide rod.

The hydraulic system includes a hydraulic station, a hydraulic cylinder and a cylinder support, the hydraulic station is arranged between the first wallboard and the cylinder support, one end of the hydraulic cylinder is passed through the first wallboard, and the hydraulic cylinder The other end is erected on the cylinder support.

A computer is arranged in the control box.

The beneficial effect of the utility model is that the utility model includes a lifting mechanism, an extrusion testing mechanism, a hydraulic system, a control box and an outer box, and the lifting mechanism, the extrusion testing mechanism, and the hydraulic system are all arranged in the Inside the outer box, the extrusion testing mechanism is connected with the lifting mechanism, and the lifting mechanism, the extrusion testing mechanism, and the hydraulic system are all electrically connected to the control box. Its structure design is compact and does not take up space, it is easy and comfortable to operate, easy to observe and record, and has good safety performance.

Description of drawings

Fig. 1 is one of structural representations of the utility model.

Fig. 2 is the second structural diagram of the utility model.

Fig. 3 is a structural schematic diagram of the control box of the present invention.

Among them: 1-lifting mechanism, 11-driving motor, 12-transmission system, 13-lifting screw, 14-battery placement plate, 15-bracket, 16-guide column, 2-extrusion test mechanism, 21-extrusion paste Plate, 22-extruded special-shaped plate, 23-extruded flat plate, 24-guide pulley block, 25-sensor, 3-bottom plate, 4-hydraulic system, 41-hydraulic station, 42-hydraulic cylinder, 43-cylinder bracket, 5- Frame, 51-first wallboard, 52-second wallboard, 53-guide rod, 7-control box, 72-computer, 8-outer box, 81-test box, 82-power box, 83-test Chamber door, 84-lifting control panel, 85-observation window.

Detailed ways

The utility model is further described below in conjunction with the accompanying drawings, as shown in Figures 1 to 3, the utility model includes a lifting mechanism 1, an extrusion testing mechanism 2, a hydraulic system 4, a control box 7 and an outer box body 8, and the lifting mechanism 1 , extrusion testing mechanism 2, and hydraulic system 4 are all arranged in the outer box body 8, and extrusion testing mechanism 2 is connected with lifting mechanism 1, and lifting mechanism 1, extrusion testing mechanism 2, and hydraulic system 4 are all electrically connected to control box 7. connect.

Lifting mechanism 1 comprises drive motor 11, drive train 12, lifting screw mandrel 13, battery placement plate 14 and support 15, and the input end of drive train 12 is connected with the output end of drive motor 11, and the input end of lift screw mandrel 13 is connected with drive train The output end of 12 is connected, and the battery placement plate 14 is movably arranged on the top of the support 15 through the lifting screw 13.

The bracket 15 is arranged in a “U” shape, and a guide post 16 is connected between the bracket 15 and the battery placement plate 14 . The support 15 plays the role of fixing the lifting screw 13, and the guide post 16 prevents the rotation in the lifting mechanism 1.

Outer casing 8 comprises detection box 81, power box 82, detection box door 83 and lifting control panel 84, and detection box door 83 and lifting control panel 84 are all arranged on testing box 81, and testing box door 83 and power box 82 are all provided with Observation window 85. The detection box door 83 is a placement opening for placing the battery to be detected, and the lifting control board 84 is mainly used to control the lifting action of the lifting mechanism 1 .

The detection box 81 is provided with a frame 5 , and the frame 5 includes a first wallboard 51 , a second wallboard 52 and a guide rod 53 , and the guide rod 53 is arranged between the first wallboard 51 and the second wallboard 52 . The structure of the frame 5 presents a "product" shape, which is compact in structure and saves working materials.

Extrusion testing mechanism 2 comprises extruding sticking plate 21, extruding special-shaped plate 22, extruding flat plate 23, guide pulley group 24 and sensor 25, and sensor 25 is one of detection core components in the utility model, will test stressed pressure Physical conditions such as deformation are sensed and transformed into elements delivered to the test control box 7 in an electrical signal mode. The extruding plate 21 is arranged on the inner side of the second wallboard 52, the extruding plate 23 is connected with the output end of the hydraulic system 4 through the sensor 25, the extruding special-shaped plate 22 is arranged on the end face of the extruding plate 23, and the guide pulley group 24 is connected with the extruding plate 23. The pressing plate 23 is connected and hung on the guide rod 53 . Extrusion laminating plate 21 , extrusion profiled plate 22 and extrusion flat plate 23 are extruding deformation execution parts, which are directly in contact with the tested battery.

The hydraulic system 4 includes a hydraulic station 41, a hydraulic cylinder 42 and a cylinder support 43. The hydraulic station 41 is arranged between the first wallboard 51 and the cylinder support 43. One end of the hydraulic cylinder 42 is installed on the first wallboard 51. The hydraulic cylinder 42 The other end of the bridge is mounted on the oil cylinder support 43. The hydraulic system 4 is the execution part of the extrusion test, and is controlled by a computer 72 arranged in the control box 7 .

The working process of the utility model is: put the battery to be tested on the battery placement plate 14, start the drive motor 11, drive the lifting screw 13 to make the battery placement plate 14 rise to the center position of the extrusion sticking plate 21, and operate the computer at the same time 72 controls the hydraulic station 42 to make the hydraulic cylinder 42 move, and the output end of the hydraulic cylinder 42 pushes the extruding plate 23 and the extruding special-shaped plate 22, extruding on the test battery from the direction perpendicular to the test battery pole plate, so that the test battery case body rupture or internal short circuit, and then judge whether the test battery is qualified according to the standard, and the required performance data can be transmitted to the computer 72 by the sensor 25 in the extrusion process, and finally the test is completed.

Of course, the above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the utility model patent application are included in the utility model patent application within range.

Claims (4)

1. power battery extrusion testing machine, it is characterized in that: comprise elevating mechanism (1), extruding mechanism for testing (2), hydraulic system (4), control box (7) and outer case (8), described elevating mechanism (1), described extruding mechanism for testing (2), described hydraulic system (4) are all arranged in described outer case, described extruding mechanism for testing (2) and described elevating mechanism (1) are connected, and described elevating mechanism (1), described extruding mechanism for testing (2), described hydraulic system (4) are all electrically connected with described control box (7).

2. power battery extrusion testing machine according to claim 1, it is characterized in that: described elevating mechanism (1) comprises drive motor (11), power train (12), elevating screw (13), battery placement plate (14) and support (15), the input end of described power train (12) is connected with the output terminal of described drive motor (11), the input end of described elevating screw (13) is connected with the output terminal of described power train (12), and plate (14) is movably set in described support (15) top by described elevating screw (13) placed by described battery.

3. power battery extrusion testing machine according to claim 2, is characterized in that:

Described support (15) is set to " U " shape structure, and described support (15) and described battery are placed between plate (14) and be connected with guide pillar (16).

4. power battery extrusion testing machine according to claim 1, it is characterized in that: described outer case (8) comprises detection case (81), headstock (82), detects chamber door (83) and elevating control plate (84), described detection chamber door (83) and described elevating control plate (84) are all arranged at described detection case (81), and described detection chamber door (83) and described headstock (82) are provided with view window (85).