CN211826396U - Core package pressurization short circuit test tool - Google Patents

Abstract

The utility model provides a core-pack pressurized short-circuit test tool, which comprises a base plate and a controller. The base plate is provided with a proximity sensor, a limit block and two parallel linear guide rails. At one end, the top of the linear guide rail is slidably connected to the support plate, the bottom plate is fixedly connected to the upper mounting plate through the column, the bottom of the upper mounting plate is fixedly connected to the lower mounting plate through the first pressing cylinder, the bottom of the lower mounting plate is installed with the pressure plate, and the lower mounting plate is installed on one side A short-circuit tester is installed under the first and second pressing cylinders, the probes of the short-circuit tester are located on one side of the pressing plate, and the first and second pressing cylinders and the proximity sensor are respectively connected to the controller. The core-pack pressurized short-circuit test tool of the utility model has a high degree of automation, and the full name is that the core-pack can be accurately tested automatically, which greatly improves the testing accuracy of the core-pack and improves the work efficiency.

Description

A core pack pressurized short circuit test tool

technical field

The utility model belongs to the field of energy technology, in particular to a core-pack pressurized short-circuit test tool.

Background technique

At present, the market tends to increase the demand for lithium-ion batteries, and the performance requirements of batteries are also getting higher and higher. For R&D battery companies, due to the variety and type of cells under development, some of the R&D line power cell sample products of some companies use manual pressure plates for short-circuit testing of core packages, and the existing pressure plates are manually picked up. For pressing, the weight of the pressure plate is about 5Kg. In view of the increasingly high requirements of the market for the battery cell, the pressing force on the battery cell needs to be increased during short-circuit measurement, and the pressure needs to reach 100Kg, which cannot be achieved manually. Therefore, it is indeed necessary to improve the existing technology to solve the shortcomings of the existing technology. At present, the pressure on the core package during the short-circuit test is small, which can no longer meet the short-circuit test requirements of the cell. If the pressure is small, it may be misjudged as a qualified cell.

SUMMARY OF THE INVENTION

In view of this, the present utility model aims to provide a core-pack pressurized short-circuit test tool, so as to solve the problem of misjudgment of the battery cells during the short-circuit test of the battery cells.

In order to achieve the above object, the technical scheme of the present utility model is achieved in this way:

A core-pack pressurized short-circuit test tool, including a base plate and a controller, the base plate is provided with a proximity sensor, a limit block and two parallel linear guide rails, the proximity sensor and the limit block are located at one end of the linear guide rail, above the linear guide rail The bottom plate is slidably connected to the supporting plate, the bottom plate is fixedly connected to the upper mounting plate through the column, the lower part of the upper mounting plate is fixedly connected to the lower mounting plate through the first pressing cylinder, the bottom of the lower mounting plate is installed with the pressing plate, and the first pressing cylinder is installed on one side of the lower mounting plate , a short-circuit tester is installed under the second pressing cylinder, the probe of the short-circuit tester is located on one side of the pressing plate, the first pressing cylinder, the second pressing cylinder and the proximity sensor are respectively connected to the controller with signals.

Further, a guide bar is installed on both sides of the lower mounting plate, and a manual pressing knob is installed above each guide bar, and the manual pressing knob is used to fix the guide bar and the pressing plate.

Further, the front end of the support plate is provided with a tab support support plate with adjustable height.

Further, two positioning pins are provided on one side of the pressing plate.

Further, the model of the short-circuit tester is Riset ST5520.

Further, the linear guide rail is connected to the support plate through a sliding block.

Further, a groove is provided above the support plate.

Further, the bottom plate is provided with a positioning top post mechanism, the positioning top post mechanism is located on one side of the limit block, the inner side of the positioning top post mechanism is provided with a top post, and one side of the support plate is provided with a positioning for inserting the top post. hole.

Further, the controller is a PLC.

Further, the number of the uprights is four.

Compared with the prior art, the core pack pressurized short-circuit test tool of the present invention has the following advantages:

(1) The core pack pressurized short-circuit test tool of the present invention has a high degree of automation, and the full name automatically tests the core pack accurately, which greatly improves the test accuracy of the core pack and improves the work efficiency at the same time.

(2) The core-pack pressurized short-circuit test tool of the present invention is provided with the connection structure of the manual pressing knob and the pressure plate, which facilitates the disassembly, cleaning and remodeling of the pressure plate, and has strong versatility.

(3) In the core-pack pressurized short-circuit test tool of the present invention, the support plate is provided with grooves arranged along the length direction for cell positioning, which facilitates direct insertion of the cells and greatly saves time.

Description of drawings

The accompanying drawings that constitute a part of the present invention are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is the structural representation of the core pack pressurized short-circuit test tool described in the embodiment of the present utility model;

FIG. 2 is a side view of a core pack pressurized short-circuit test tool according to an embodiment of the present invention.

Description of reference numbers:

1-support plate; 101-groove; 2-slider; 3-pole lug support plate; 4-pressing plate; 5-guide strip; 6-first pressing cylinder; 7-second pressing cylinder; 8-short circuit Tester; 9-proximity sensor; 10-limit block; 11-positioning top post mechanism; 12-manual pressing knob; 13-positioning pin; 14-post; 15-upper mounting plate; 16-base plate; 17-straight line Rails; 18-Lower Mounting Plate.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility. The novel and simplified description does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

A core-pack pressurized short-circuit test tool, as shown in Figures 1 and 2, includes a support plate 1, a slider 2, a pole lug support plate 3, a pressure plate 4, a guide strip 5, a first pressing cylinder 6, a second pressing Tightening cylinder 7, short circuit tester 8, proximity sensor 9, limit block 10, positioning top column mechanism 11, manual pressing knob 12, positioning pin 13, column 14, upper mounting plate 15, bottom plate 16, linear guide 17, lower The mounting plate 18 and the controller, the bottom plate 16 is provided with two parallel linear guide rails 17, a proximity sensor 9, a limit block 10 and a positioning top post mechanism 11, the proximity sensor 9 and the limit block 10 are located at one end of the linear guide rail 17, The positioning top post mechanism 11 is located on one side of the limit block 10, the inner side of the positioning top post mechanism 11 is provided with a top post, and one side of the pallet 1 is provided with a positioning hole. When the pallet 1 is drawn into the rearmost side, the top post is just right. Draw into the positioning hole, so that the positioning top post mechanism 11 positions the pallet 1; the top of the linear guide 17 is slidably connected to the pallet 1, the bottom plate 16 is fixedly connected to the upper mounting plate 15 through the upright column 14, and the bottom of the upper mounting plate 15 passes through the first The pressing cylinder 6 is fixedly connected to the lower mounting plate 18 , the bottom of the lower mounting plate 18 is mounted with the pressing plate 4 , the first pressing cylinder 7 is mounted on one side of the lower mounting plate 18 , and the short-circuit tester 8 is installed under the second pressing cylinder 7 for short-circuit testing. The probe of the instrument 8 is located on one side of the pressing plate 4, and the first pressing cylinder 6, the second pressing cylinder 7 and the proximity sensor are respectively connected to the controller with signals.

The front end of the support plate 1 is provided with a height-adjustable electrode support support plate 3 , and the electrode support support plate 3 is used to support the electrode ears when the probe of the short circuit tester 8 is pressed down.

A guide strip 5 is installed on both sides of the lower mounting plate 18, and a manual pressing knob 12 is installed above each guide strip 5. The manual pressing knob 12 is fixedly connected to the guide strip 5 and the pressure plate 4, which is convenient for the disassembly and cleaning of the pressure plate 4. When it is necessary to disassemble the pressing plate 4, rotate and rotate the manual pressing knob 12, then the pressing plate 4 will be disengaged from the bottom of the guide bar 5. When installing the pressing plate 4, tighten and rotate the manual pressing knob 12, and install the pressing plate 4 under the guide bar 5. It is convenient for changing and cleaning the pressing plate 4 .

Two positioning pins 13 are provided on one side of the pressing plate 4 to facilitate positioning when the pressing plate 4 is installed. The number of the uprights 14 is four.

The model of the short-circuit tester is Hioki ST5520.

The linear guide 17 is connected to the pallet 1 through the slider 2 , so that the pallet 1 slides along the linear guide 17 .

The controller is PLC. The support plate 1 is provided with a groove 101 for positioning the battery cells along the length direction, which is convenient for directly inserting the battery cells, which greatly saves time.

The working principle of a core-pack pressurized short-circuit test tool is as follows:

The staff puts the battery core pack into the groove 101 of the support plate 1, and pushes the support plate 1 forward until the top of the support plate 1 contacts the limit block 10. The board 1 is positioned, and the staff turns on the power. At this time, after the proximity sensor 9 senses the signal, it transmits the signal to the controller in real time. The PLC controller outputs the signal to the first pressing cylinder 6, and the first pressing cylinder 6 extends. , drive the pressing plate 4 to move and press down the core package, after the pressing is in place (the distance is set in the controller, which is common knowledge), the controller controls the second pressing cylinder 7 to act and press down, and the second pressing cylinder 7. Drive the probe of the short-circuit tester 8 and press the tabs to perform the short-circuit test. The model of the short-circuit tester 8 is Japanese ST5520. The short-circuit tester has OK and NG outputs. The test is qualified and the display is OK. The core package short circuit shows NG. End; the staff presses the return button. At this time, the controller controls the first compression cylinder 6 and the second compression cylinder 7 to return to the initial state, and manually pulls out the support plate 1 to take out the battery cells.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

Claims (10)

1. A core-pack pressurized short-circuit test tool is characterized in that: comprising a base plate and a controller, the base plate is provided with a proximity sensor, a limit block and two parallel linear guide rails, and the proximity sensor and the limit block are located on the linear guide rail. The upper part of the linear guide rail is slidably connected to the support plate, the bottom plate is fixedly connected to the upper installation plate through the upright column, the lower part of the upper installation plate is fixedly connected to the lower installation plate through the first pressing cylinder, the lower installation plate is installed with a pressure plate, and one side of the lower installation plate is installed. Install the first compression cylinder, and install a short-circuit tester under the second compression cylinder. The probe of the short-circuit tester is located on one side of the pressure plate. The first compression cylinder, the second compression cylinder and the proximity sensor are respectively connected to the controller. . 2. A core pack pressurized short-circuit test tool according to claim 1, characterized in that: a guide strip is installed on both sides of the lower mounting plate, a manual compression knob is installed above each guide strip, and the manual compression knob is installed Securely connect the guide bar to the pressure plate. 3 . The core pack pressurized short-circuit test tool according to claim 1 , wherein the front end of the support plate is provided with a tab support support plate with adjustable height. 4 . 4 . The core-pack pressurized short-circuit test tool according to claim 1 , wherein two positioning pins are provided on one side of the pressing plate. 5 . 5. A core-pack pressurized short-circuit test tool according to claim 1, characterized in that: the model of the short-circuit tester is Rizhi ST5520. 6 . The core-pack pressurized short-circuit test tool according to claim 1 , wherein the linear guide rail is connected to the support plate through a slider. 7 . 7 . The core-pack pressurized short-circuit test tool according to claim 1 , wherein a groove is provided above the support plate. 8 . 8. A core pack pressurized short-circuit test tool according to claim 1, characterized in that: the base plate is provided with a positioning top post mechanism, the positioning top post mechanism is located on one side of the limit block, and the inner side of the positioning top post mechanism A top post is provided, and one side of the support plate is provided with a positioning hole for inserting the top post. 9 . The core-pack pressurized short-circuit test tool according to claim 1 , wherein the controller is a PLC. 10 . 10 . The core-pack pressurized short-circuit test tool according to claim 1 , wherein the number of the uprights is four. 11 .

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