CN105203959A - A multi-purpose power battery testing device - Google Patents

Abstract

The invention discloses a multipurpose power battery testing device which comprises a high-low temperature box, a puncture needle, a main workbench, battery clamping grooves, an external lead and a secondary workbench, wherein explosion-proof steel plates are arranged around the high-low temperature box, the main workbench is arranged in the high-low temperature box, the puncture needle is arranged at one end of the main workbench in parallel and driven by a puncture cylinder, two battery clamping grooves are formed in the other end of the main workbench, the batteries are fixed on the battery clamping grooves through fastening nuts, the secondary workbench is provided with an external lead at the positions of a positive electrode and a negative electrode respectively, one end of the external lead is provided with a wire clamp, the other end of the external lead is led out of the high-low temperature box and. The invention can simulate the needling performance of the battery in the charging and discharging process, and can test the low-temperature performance, the high-temperature performance, the overcharge performance and the overdischarge performance of the battery, thereby achieving the purpose of multiple uses of one device, reducing the number of testing devices of the battery and having important economic significance. Meanwhile, the structure is simple, the use is convenient, the cost is low, and the method is suitable for popularization.

Description

A multi-purpose power battery testing device

technical field

The invention relates to a battery testing device, in particular to a multipurpose power battery testing device.

Background technique

With the rapid development of new energy vehicles, the testing of power batteries has attracted more and more attention from various battery manufacturers and vehicle manufacturers, especially the safety of batteries during use has attracted more and more attention. However, at present, many safety tests of batteries are still in a non-use state. There are few studies on the short-circuit problem of electric vehicles during operation or charging. The safety issues during the use of batteries, especially the safety issues during the charging and discharging process, especially the internal short circuit problem, are problems that electric vehicles can encounter during driving. Therefore, the short circuit problem during the charging and discharging process is simulated. , is of great significance.

Contents of the invention

In order to solve the above problems, the patent of the present invention invented a device for simulating high and low temperature environment and battery testing during charging and discharging. This device can simulate the acupuncture performance of the battery in the process of charging and discharging. At the same time, it can test the low-temperature performance, high-temperature performance, overcharge performance and over-discharge performance of the battery, so as to achieve the purpose of multiple uses of one device. A new acupuncture test method, and at the same time integrate various test devices together, reducing the number of battery test equipment, which is of great economic significance.

To achieve the above object, the present invention provides the following technical solutions:

A multi-purpose power battery testing device, including a high and low temperature box, a puncture needle, a main workbench, a battery card slot, external leads and a secondary workbench, explosion-proof steel plates are installed around the high and low temperature box, and inside the high and low temperature box A main workbench is arranged horizontally, and a puncture needle is placed in parallel at one end of the main workbench, and the puncture needle is driven by an acupuncture cylinder. A fastening nut is provided on the slot, and the two battery slots are used to fix the battery through two fastening nuts. The rear end of the main worktable is vertically provided with a secondary workbench, and one end of the secondary workbench is fixed on the main worktable. On the workbench, the other end is fixed in the high and low temperature box. The secondary workbench is equipped with an external lead wire at the position of the positive and negative poles. External test cabinet.

Preferably, there is a wire protection groove on the surface of the external lead wire.

Compared with prior art, the beneficial effect of the present invention is:

The invention can not only simulate the acupuncture performance of the battery in the process of charging and discharging, but also test the low-temperature performance, high-temperature performance, overcharge performance and over-discharge performance of the battery, so as to achieve the purpose of multiple uses of one device and greatly reduce the battery life. The number of test equipment has important economic significance. Simultaneously, the structure is simple, the use is convenient, the cost is low, and the utility model is suitable for popularization.

Description of drawings

Figure 1 is a schematic structural diagram of a multi-purpose power battery testing device.

Fig. 2 is a schematic diagram of the structure of the multi-purpose power battery testing device after the battery is installed.

Fig. 3 is a schematic diagram of the multi-purpose power battery testing device used in the acupuncture process of the battery.

Marks in the picture: 1-high and low temperature box, 2-main workbench, 3-acupuncture cylinder, 4-puncture needle, 5-battery card slot, 6-wire clip, 7-external lead wire, 8-lead wire protection slot, 9 -secondary workbench, 10-fastening nut, 11-battery.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1 to 3. In the embodiment of the present invention, a multipurpose power battery testing device includes a high and low temperature box 1, a puncture needle 4, a main workbench 2, a battery card slot 5, an external lead wire 7 and a secondary workbench 9 , Explosion-proof steel plates are installed around the high and low temperature box 1 to prevent damage to the high and low temperature box caused by safety problems during battery testing. A main workbench 2 is horizontally arranged in the high-low temperature box 1, and a puncture needle 4 is placed parallel to one end of the main workbench 2, and the puncture needle 4 is driven by an acupuncture cylinder 3, and the other end of the main workbench 2 is One end is provided with two battery card slots 5, and a fastening nut 10 is arranged on the battery card slot 5, and the two battery card slots 5 fix the battery through two fastening nuts 10, so as to prevent the batteries from occurring during acupuncture. displacement.

The rear end of the main workbench 2 is vertically provided with a secondary workbench 9, one end of the secondary workbench 9 is fixed on the main workbench 2, and the other end is fixed in the high and low temperature box 1, and the secondary workbench 9 is in the The positions of the positive and negative poles are respectively provided with an external lead wire 7, one end of the external lead wire 7 is provided with a wire clip 6, and the other end leads to the high and low temperature box 1, and is connected to the external test cabinet. At the same time, the surface of the external lead wire 7 has a lead protection Slot 8, to prevent lead damage due to explosion during battery testing.

The whole test device is installed in a high and low temperature box 1, as shown in 1, the high and low temperature box 1 is equipped with explosion-proof steel plates to prevent the battery from being affected by safety problems during the acupuncture process, so that the battery can be charged and discharged during the charging and discharging process. Take acupuncture as an example to illustrate.

Before the test, put the battery 11 into the battery slot 5 to ensure that the battery will not shift during the acupuncture process. At the same time, use the fastening nut 10 to fix the battery in the battery slot 5. After the battery is fixed, put The clamp 6 clamps the terminal of the battery to keep the battery connected to the external lead wire 7, and the external lead wire 7 is then connected to the battery test cabinet outside, so as to meet the requirements for charging and discharging the battery 11. In the charging or discharging state of the battery 11, the acupuncture cylinder 3 is used to control the puncture needle 4 to conduct acupuncture tests on the battery 11. At the same time, the ambient temperature can be controlled through the high and low temperature box 1 to further simulate the internal short circuit of the battery during use in different seasons. question.

The above is just a test case. At the same time, you can control the temperature in the box through the high and low temperature box without turning on the acupuncture mode, test the high or low temperature performance of the battery, or test the acupuncture safety performance of the battery in the overcharged state. Explosion-proof treatment has been done in the high and low temperature box, and this device can also test the battery overcharge and overdischarge performance at the same time.

In a word, a multi-purpose power battery test device of the present invention integrates battery acupuncture, low temperature test, high temperature test, overcharge, overdischarge and other test equipment, and can be used in the following four situations:

(1) The described device can simulate the acupuncture condition of the battery at different temperatures;

(2) The device can simulate the acupuncture condition of the battery during charging and discharging;

(3) The device can be used as a battery overcharge and overdischarge test device at the same time;

(4) The device can test the low temperature and high temperature performance of the battery at the same time.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (2)

1. a multi-usage testing device for power cells, it is characterized in that, comprise high-low temperature chamber, puncture needle, main worktable, battery draw-in groove, external lead wire and task platform, the surrounding of described high-low temperature chamber is provided with explosion-proof steel plate, in described high-low temperature chamber, level is provided with main worktable, one end of described main worktable is parallel is placed with puncture needle, described puncture needle is by acupuncture air cylinder driven, the other end of described main worktable is provided with two battery draw-in grooves, described battery draw-in groove is provided with a clamp nut, described two battery draw-in grooves are by two clamp nut self-contained batteries, the rear end of described main worktable is vertically provided with task platform, one end of described task platform is fixed on main worktable, the other end is fixed in high-low temperature chamber, described task platform is respectively provided with an external lead wire in the position of both positive and negative polarity, one of described external lead wire is provided with wire clamp, draw high-low temperature chamber for other one, and external test cabinet.

2. multi-usage testing device for power cells according to claim 1, is characterized in that, the leaded protector in described external lead wire surface.