Explosion-proof device for battery test

By designing a protective box, pressure relief cover, and pressure relief pipe for explosion-proof devices, the problems of smoke and high-pressure gas caused by deflagration during battery testing were solved, ensuring safety and automated testing.

CN223808486UActive Publication Date: 2026-01-16QINGDAO ZHIGU TIMES TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520163836.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-01-16
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Existing batteries are prone to generating large amounts of smoke and high-pressure gas during puncture testing due to deflagration, which can cause the testing equipment to bulge, deform, or explode, endangering the operator's safety.

Method used

An explosion-proof device was designed, comprising a protective box, a pressure relief hood, and a pressure relief pipe, combined with a sealed window and a monitor, for rapidly discharging high-pressure gas and achieving automated puncture detection.

Benefits of technology

It effectively prevents the testing device from bulging, deforming, and cracking, improves operator safety, and enables automated performance testing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223808486U_ABST
    Figure CN223808486U_ABST
Patent Text Reader

Abstract

The utility model provides an explosion-proof device for battery testing, and relates to the field of battery testing, a pressure relief pipe is communicated with a pressure relief cover, a through groove is arranged on the top end face of a protection box, and the top end of the protection box is fixedly connected with a mounting plate. The problems that a large amount of smoke and high-pressure gas can be generated at the moment of deflagration, limited by the space size of a testing device, when the air pressure in an inner cavity before testing is too large, the conditions of bulging deformation and even bursting are easily generated, and surrounding operators are easily damaged are solved. By arranging the closed window embedded in the supporting frame, the closed window is made of an anti-explosion material, and the closed window is matched with the pressure relief cover and the pressure relief pipe which are arranged in the protection box during use, so that when the battery in the protection box is in a deflagration pressurizing state, the battery can be deflagrated and pressurized; and high-pressure gas can be quickly discharged through the arrangement of the pressure relief cover and the pressure relief pipe, so that the purpose of higher safety is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of battery test, especially relates to a battery test is with explosion -proof device. BACKGROUND

[0002] At present, battery refers to the cup, tank or other container or composite container part space that has electrolyte solution and metal electrode to produce current, can convert chemical energy into electric energy device, has the division of positive pole, negative pole, with the progress of science and technology, battery refers to the small device that can produce electric energy, such as solar cell, the performance parameters of battery mainly have electromotive force, capacity, specific energy and resistance, using battery as energy source, can obtain the current that has stable voltage, stable, long time stable power supply, little influence from outside, and battery structure is simple, convenient to carry, charge and discharge operation is simple and easy to operate, is not affected by outside climate and temperature, stable and reliable performance, plays a very big role in various aspects of modern social life, when battery is being tested, generally adopts the puncture structure to puncture battery and carries out corresponding performance test, but the puncture test is very easy to produce explosion because of unstable battery, therefore, the corresponding explosion -proof device needs to be used.

[0003] However, the existing battery produces a large amount of smoke and high-pressure gas at the moment of explosion when puncture testing, limited by the size of the test device space, when the cavity pressure inside the test chamber is too large, it is easy to produce bulging deformation and even burst, which is easy to cause harm to the surrounding operators, therefore, a battery test explosion -proof device is provided.

[0004] Therefore, in view of the above-mentioned scheme in actual production and implementation, the deficiencies are corrected and improved, and the spirit and concept of seeking good are followed, and the assistance of professional knowledge and experience, as well as the trial of many parties, the utility model is created, and a battery test explosion -proof device is provided to solve the problem that the existing battery produces a large amount of smoke and high-pressure gas at the moment of explosion when puncture testing, limited by the size of the test device space, when the cavity pressure inside the test chamber is too large, it is easy to produce bulging deformation and even burst, which is easy to cause harm to the surrounding operators. UTILITY MODEL CONTENTS

[0005] The utility model provides a battery test explosion -proof device, which solves the problem that the existing battery produces a large amount of smoke and high-pressure gas at the moment of explosion when puncture testing, limited by the size of the test device space, when the cavity pressure inside the test chamber is too large, it is easy to produce bulging deformation and even burst, which is easy to cause harm to the surrounding operators.

[0006] The utility model discloses a technical scheme is such implementation, a battery test is with explosion -proof device includes: protection case, the main part of protection case is the box body structure of inside hollow, is set with the through slot on the left end surface of protection case, the inside embedding of this through slot has pressure relief cover, the main part of pressure relief cover is left thin right thick structure, and still fixedly connected with pressure relief pipe on the left end surface of pressure relief cover, and pressure relief pipe is through with pressure relief cover, is set with the through slot on the top end surface of protection case, and the top end of protection case is fixedly connected with mounting panel, and the section of mounting panel is circular structure, and still fixedly connected with monitor on the bottom end surface of mounting panel:

[0007] As a preferred implementation, the bottom end surface of the protection case is fixedly connected with a hollow structure support leg, the support leg is provided with two parts, and the two parts of the support leg are fixedly connected in a linear array on the bottom end surface of the protection case. The inner side of the two clamping push rods is fixedly connected with a clamping part slidingly connected in the support frame. The inner side of the two clamping parts is clamped and limited to the measured member. The left end surface of the partition plate is fixedly connected with an unfolding push rod. The unfolding push rod is provided with two parts. The two parts of the unfolding push rod are fixedly connected in a linear array on the front and rear sides of the left end surface of the partition plate. The left end surface of the two parts of the unfolding push rod is fixedly connected with a balance frame. The main part of the balance frame is a U-shaped structure with a left one-way opening. The left end surface of the balance frame is fixedly connected with two parts of puncture members in a linear array.

[0008] As a preferred implementation, the inside of the protection case is inserted with a support frame. The main part of the support frame is a rectangular frame structure. The right end surface of the support frame is further fixedly connected with a partition plate.

[0009] As a preferred implementation, the partition plate is a rectangular plate structure. The partition plate is used to close the right side opening of the protection case. The inner side of the support frame is embedded with a closed window.

[0010] As a preferred implementation, the closed window is provided with three parts. The three parts of the closed window are arranged in a ring array. The inside bottom end surface of the support frame is provided with a horizontal slot.

[0011] As a preferred implementation, the horizontal slot provided on the inside bottom end surface of the support frame is internally installed with a clamping push rod. The clamping push rod is provided with two parts. The two parts of the clamping push rod are arranged in opposite directions.

[0012] After using the above technical scheme, the utility model has the beneficial effects that:

[0013] 1. In the utility model, the monitor fixedly connected to the bottom end surface of the mounting panel can continuously detect and record the performance of the measured member when the performance of the storage battery is being detected. Compared with the traditional detection device, the design can be more stable and achieve a more practical purpose.

[0014] 2、The utility model discloses a closed window is embedded in the support frame, and the closed window is of explosion -proof material, which is matched with the pressure relief cover and pressure relief pipe arranged in the protective box when in use, so that high-pressure gas can be quickly discharged through the setting of the pressure relief cover and pressure relief pipe when the battery in the protective box is in the explosion pressure -boosting state, thereby achieving a more safe purpose. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0016] Figure 1 It is a front side view structural schematic diagram of the partial structure of the explosion -proof device after being cut;

[0017] Figure 2 It is a combination structural schematic diagram of the explosion -proof device of the utility model;

[0018] Figure 3 It is a support frame and baffle combination structural schematic diagram of the explosion -proof device of the utility model;

[0019] Figure 4 It is a left view structural schematic diagram of the explosion -proof device of the utility model;

[0020] Figure 5 It is a top view structural schematic diagram of the explosion -proof device of the utility model;

[0021] Figure 6 It is a front view structural schematic diagram of the partial structure of the explosion -proof device after being cut;

[0022] In the drawing, 1, protective box;101, support leg;102, pressure relief cover;103, pressure relief pipe;104, mounting plate;105, monitor;2, support frame;201, baffle;202, closed window;203, clamping push rod;204, clamping part;205, measured piece;3, unfolding push rod;301, balance frame;302, puncture piece. DETAILED DESCRIPTION

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1-6 As shown, an explosion-proof device for battery testing includes: a protective box 1, the main body of which is a hollow box structure; a through groove is provided on the left end face of the protective box 1, and a pressure relief cover 102 is embedded inside the through groove; the main body of the pressure relief cover 102 has a structure that is thinner on the left and thicker on the right, and a pressure relief pipe 103 is fixedly connected to the left end face of the pressure relief cover 102, the pressure relief pipe 103 communicating with the pressure relief cover 102; a through groove is provided on the top surface of the protective box 1, and a mounting plate 104 is fixedly connected to the top of the protective box 1; the mounting plate 104 has a circular cross-section, and a monitor 105 is fixedly connected to the bottom surface of the mounting plate 104. The inner sides of the two clamping push rods 203 are fixedly connected to the clamping parts 204 that are slidably connected in the support frame 2. The inner sides of the two clamping parts 204 clamp and limit the test piece 205. The left end face of the partition 201 is fixedly connected to the unfolding push rod 3. There are two unfolding push rods 3. The two unfolding push rods 3 are fixedly connected in a straight array on the front and rear sides of the left end face of the partition 201. The left end face of the two unfolding push rods 3 is fixedly connected to the balance frame 301. The main body of the balance frame 301 is a U-shaped structure with a one-way opening on the left side. The left end face of the balance frame 301 is fixedly connected in a straight array to two piercing pieces 302.

[0025] Among them, the bottom surface of the protective box 1 is fixedly connected with a hollow structure support leg 101. There are two support legs 101 in total. The two support legs 101 are fixedly connected to the bottom surface of the protective box 1 in a straight line array. The protective box 1 is inserted with a support frame 2. The main body of the support frame 2 is a rectangular frame structure. A partition 201 is also fixedly connected to the right end surface of the support frame 2.

[0026] The partition 201 is a rectangular plate structure and is used to close the right opening of the protective box 1. The inner side of the support frame 2 is embedded with a closed window 202. There are three closed windows 202 in total, and the three closed windows 202 are arranged in a ring array. A transverse groove is opened on the inner bottom surface of the support frame 2. A clamping push rod 203 is installed inside the transverse groove opened on the inner bottom surface of the support frame 2. There are two clamping push rods 203 in total, and the two clamping push rods 203 are arranged opposite each other.

[0027] When in use, the to-be-tested piece 205 (i.e. a battery) is placed at the inner side of the two clamping portions 204 arranged in the support frame 2 when testing, then the clamping portions 204 are pushed inward by starting the two clamping push rods 203 arranged in the support frame 2, and the to-be-tested piece 205 is clamped and positioned, then the partition plate 201 is pushed to make the partition plate 201 drive the support frame 2 to be inserted into the inside of the protection box 1 for placement and limiting, then the pressure relief pipe 103 arranged outside the pressure relief cover 102 is connected with the external purification equipment.

[0028] After the connection is completed, the monitor 105 arranged on the bottom end face of the mounting plate 104 is started to take a photo of the to-be-tested piece 205, and the two expansion push rods 3 arranged on the left end face of the partition plate 201 are started synchronously to push the balance frame 301 and the puncture piece 302 to the left, and the puncture piece 302 is inserted into the inside of the to-be-tested piece 205 to realize automatic puncture detection, thereby achieving a safer purpose.

[0029] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified and limited, it is necessary to explain that the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be mechanical connection or electrical connection, or the communication between the two elements, or direct connection, or indirect connection through an intermediate medium, and those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances. The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An explosion-proof device for battery testing, characterized by, The utility model provides an include protection case (1), the main part of protection case (1) is the box structure of inside hollow, be equipped with pressure relief cover (102) on the left end surface of protection case (1) and open the through slot, the main part of pressure relief cover (102) is left thin right thick structure, and still be fixedly connected with pressure relief pipe (103) on the left end surface of pressure relief cover (102), and pressure relief pipe (103) is through with pressure relief cover (102), be equipped with installation plate (104) on the top end surface of protection case (1), the section of installation plate (104) is circular structure, and still be fixedly connected with monitor (105) on the bottom end surface of installation plate (104).

2. The explosion-proof device for battery testing according to claim 1, characterized in that, The bottom end surface of protection case (1) is fixedly connected with the support (101) of hollow structure, and the support (101) is provided with two, and the two supports (101) are fixedly connected on the bottom end surface of protection case (1) in linear array.

3. The explosion-proof device for battery testing according to claim 1, wherein The inside of protection case (1) is inserted with support frame (2), and the main part of support frame (2) is rectangular frame structure, and the right end surface of support frame (2) is also fixedly connected with baffle (201).

4. The explosion-proof device for battery testing according to claim 3, characterized in that, The baffle (201) is rectangular plate structure, and the baffle (201) is used for closing the right side opening of protection case (1), and the inside of support frame (2) is embedded with closed window (202).

5. The explosion-proof device for battery testing according to claim 4, wherein The closed window (202) is provided with three, and the three closed windows (202) are arranged in annular array, and the inside bottom end surface of support frame (2) is provided with horizontal slot.

6. The explosion-proof device for battery testing according to claim 5, characterized in that, The inside of the horizontal slot on the inside bottom end surface of support frame (2) is provided with clamping push rod (203), and the clamping push rod (203) is provided with two, and the two clamping push rods (203) are oppositely arranged.

7. The explosion-proof device for battery testing according to claim 6, characterized in that The inside of the two clamping push rods (203) is fixedly connected with clamping part (204) slidably connected in support frame (2), and the inside of the two clamping parts (204) is clamped and limited with measured piece (205), and the left end surface of baffle (201) is fixedly connected with unfolding push rod (3), and the unfolding push rod (3) is provided with two, and the two unfolding push rods (3) are fixedly connected on the left end surface of baffle (201) in linear array, and the left end surface of the two unfolding push rods (3) is fixedly connected with balance frame (301), and the main part of balance frame (301) is the U-shaped structure of left side one-way opening, and the left end surface of balance frame (301) is fixedly connected with two puncture pieces (302) in linear array.