CN219552109U - An explosion-proof pressure test tool for power battery with aluminum case - Google Patents

Abstract

The utility model provides an explosion-proof pressure test fixture for an aluminum shell power battery, wherein a battery core fixture is arranged in an explosion-proof box; one end of the air pressure pipeline penetrates through the side wall of the explosion-proof box and is in sealing connection with an explosion-proof valve through hole of the battery to be tested; the battery core clamp comprises a U-shaped frame and two clamping plates, wherein the opening of the U-shaped frame faces upwards, the bottom of the U-shaped frame is fixed on the bottom plate of the explosion-proof box, one clamping plate is fixedly arranged on one side of the U-shaped frame, and the other clamping plate is detachably connected with the other side of the U-shaped frame; the battery core clamp further comprises a cover plate, the cover plate is arranged at the top of the U-shaped frame, the cover plate is detachably connected with the U-shaped frame, and the air pressure pipeline penetrates through the cover plate and is in sealing connection with the explosion-proof valve through hole of the battery to be tested. Through setting up of "U" type frame, splint and apron, guarantee the fixed stability of battery that awaits measuring, it is simpler, convenient, swift, safety.

Description

An explosion-proof pressure test tool for aluminum shell power battery

technical field

The utility model belongs to the field of experimental testing of an aluminum case power battery, in particular to an explosion-proof pressure test tool for an aluminum case power battery.

Background technique

The safety of the power battery has attracted much attention. In order to ensure that the power battery has a good pressure bearing capacity, it needs to pass the relevant explosion-proof test before leaving the factory to ensure its safety.

The existing explosion-proof pressure test tooling for aluminum case power batteries is only for penetration, glue coating, and pressure explosion-proof tests at the explosion-proof holes. The prior art wastes glue, is inconvenient to operate, may burst from the glue-applied position, and has poor safety.

Utility model content

In view of this, the utility model aims to propose an explosion-proof pressure test tool for an aluminum shell power battery to solve the above problems.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

An explosion-proof pressure test tool for an aluminum shell power battery, including a battery cell fixture, an explosion-proof box and a pneumatic pipeline;

The cell fixture is arranged in the explosion-proof box for fixing the battery to be tested; one end of the air pressure line passes through the side wall of the explosion-proof box, and is sealed and connected with the through hole of the explosion-proof valve of the battery to be tested;

The cell fixture includes a "U"-shaped frame and two splints, the opening of the "U"-shaped frame faces upwards, and the bottom of the "U"-shaped frame is fixed on the bottom plate of the explosion-proof box, one of which is the The splint is fixed on one side of the "U"-shaped frame, and the other splint is detachably connected to the other side of the "U"-shaped frame; the two splints and the "U"-shaped frame surround An accommodating space is formed to accommodate the battery to be tested, and the battery to be tested is placed in the accommodating space with the side of the through hole of the explosion-proof valve facing upward;

The cell fixture also includes a cover plate, the cover plate is arranged on the top of the “U”-shaped frame, the cover plate is detachably connected to the “U”-shaped frame, and the air pressure pipeline passes through the The cover plate is sealed and connected with the through hole of the explosion-proof valve of the battery to be tested.

Further, the explosion-proof box includes an explosion-proof door and a box body, one side of the box body is provided with an opening, the explosion-proof door is arranged at the opening, one side of the explosion-proof door is connected to the box body The edges at the opening are hinged.

Further, pole escape holes are provided on the cover plate for avoiding the poles of the battery under test.

Further, the explosion-proof door is detachably and hermetically connected to the opening of the box body.

Further, the air pressure pipeline is provided with an air pressure breaking valve, and the air pressure breaking valve is located outside the explosion-proof box.

Further, an air pressure gauge is provided on the air pressure pipeline, and the air pressure gauge is located outside the explosion-proof box.

Further, an air pressure switch is provided on the air pressure pipeline, and the air pressure switch is located outside the explosion-proof box.

Further, an air nozzle adapter is provided on the air pressure pipeline, and the air pressure pipeline is sealed and connected to the cover plate through the air nozzle adapter.

Further, a sealing rubber ring is provided between the battery to be tested and the cover plate, and the sealing rubber ring is located outside the through hole of the explosion-proof valve for connecting the air pressure line and the battery to be tested. The connection is sealed.

Further, both the cover plate and the splint are connected to the “U”-shaped frame by bolts.

Compared with the prior art, an explosion-proof pressure test tool for an aluminum shell power battery described in the utility model has the following advantages:

(1) An explosion-proof pressure test tool for an aluminum shell power battery described in the utility model, through the setting of the cover plate, ensures the airtightness of the air pressure pipeline and the battery to be tested, which is simple, convenient, fast and safe.

(2) An explosion-proof pressure test tool for an aluminum-cased power battery described in the utility model realizes clamping of the aluminum-cased power battery through the setting of a splint.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions explain the utility model, and do not constitute an improper limitation of the utility model. In the attached picture:

Fig. 1 is a schematic diagram of an explosion-proof pressure test tool for an aluminum case power battery described in an embodiment of the present invention.

Explanation of reference signs:

1. Plywood; 2. Cover plate; 21. Pole avoidance hole; 3. Seal rubber ring; 4. Explosion-proof box; 5. Air pressure pipeline; 41. Explosion-proof door; 42. Box body; 421. Side plate; 422. Rear plate; 423, bottom plate; 51, air pressure switch; 52, air pressure gauge; 53, broken air pressure valve; 54, air nozzle adapter; 6, battery to be tested; 61, explosion-proof valve through hole; , Negative pole.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are only for describing purposes, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of the 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 utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention through specific situations.

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

An explosion-proof pressure test tool for an aluminum case power battery, as shown in FIG.

The cell fixture is arranged in the explosion-proof box 4 for fixing the battery to be tested; one end of the air pressure line passes through the side wall of the explosion-proof box 4 and is sealed and connected with the explosion-proof valve through hole 61 of the battery to be tested ;

The cell fixture includes a "U"-shaped frame and two splints 1, the opening of the "U"-shaped frame faces upwards, and the bottom of the "U"-shaped frame is fixed on the bottom plate of the explosion-proof box 4, one of which The splint 1 is fixed on one side of the "U" frame, and the other splint 1 is detachably connected to the other side of the "U" frame; the two splints 1 and the "U" frame The U"-shaped frame surrounds and forms an accommodating space for a battery to be tested 6, and the battery to be tested 6 is placed in the accommodating space upwards with one side of the through hole 61 of the explosion-proof valve;

The cell fixture also includes a cover plate 2, the cover plate 2 is arranged on the top of the “U”-shaped frame, the cover plate 2 is detachably connected to the “U”-shaped frame, and the air pressure pipeline 5 passes through the cover plate 2 and is sealingly connected with the through hole 61 of the explosion-proof valve of the battery to be tested.

Preferably, the explosion-proof box 4 includes an explosion-proof door 41 and a box body 42; one side of the box body 42 is provided with an opening, the explosion-proof door 41 is arranged at the opening, and one side of the explosion-proof door 41 is connected to the The edge at the opening of the box body 42 is hinged.

The cover plate 2 is provided with a pole escape hole 21 for avoiding the pole of the battery 6 to be tested. There are two pole escape holes 21, which are respectively used to avoid the positive pole 62 and the negative pole 63 of the battery 6 to be tested.

Preferably, the box body 42 includes side panels 421 , a rear panel 422 , and a bottom panel 423 ;

Preferably, the explosion-proof door 41 is detachably and sealingly connected to the opening of the box body 42 .

Preferably, the air pressure pipeline 5 is provided with an air pressure breaking valve 53, and the air pressure breaking valve is located outside the explosion-proof box.

Preferably, the air pressure pipeline 5 is provided with an air pressure gauge 52 , the air pressure gauge 52 is located outside the explosion-proof box, and the air pressure can be adjusted. The test conditions (air pressure value) of different cells are different.

Preferably, the air pressure pipeline 5 is provided with an air pressure switch 51, and the air pressure switch 51 is located outside the explosion-proof box.

Preferably, the air pressure pipeline 5 is provided with an air nozzle adapter 54 , and the air pressure pipeline 5 is sealingly connected with the cover plate 2 through the air nozzle adapter 54 . There are two parts on both sides of the pneumatic pipeline 5, and the place where the turning point needs to be connected by an air nozzle adapter 54.

Preferably, a sealing rubber ring 3 is provided between the battery to be tested and the cover plate 2, and the sealing rubber ring 3 is located outside the through hole 61 of the explosion-proof valve for sealing the air pressure line 5 and the Seal the connection of the battery to be tested.

Preferably, both the cover plate 2 and the splint 1 are connected to the “U”-shaped frame by bolts.

Working principle, before the explosion-proof pressure test, the position of the through-hole 61 of the explosion-proof valve of the battery 6 to be tested must first be broken open by using a sharp object such as a blade. The plate 2 is tightened with screws (to ensure the tightness of the rubber ring), the explosion-proof door 41 of the explosion-proof box 4 is closed, the air pressure is input from the outside to reach the corresponding air pressure value, and it is observed whether the battery 6 to be tested bursts.

After completing the test, the air pressure valve 53 is opened, and after the barometer 52 shows the normal pressure state, the explosion-proof door 41 of the explosion-proof box 4 is opened, and the battery 6 to be tested is removed.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. An explosion-proof pressure test tool for an aluminum shell power battery, characterized in that it includes a battery cell fixture, an explosion-proof box (4) and an air pressure pipeline (5); The cell clamp is arranged in the explosion-proof box (4) for fixing the battery to be tested; one end of the air pressure pipeline passes through the side wall of the explosion-proof box (4) and communicates with the explosion-proof valve of the battery to be tested. The hole (61) is sealed and connected; The cell fixture includes a "U"-shaped frame and two splints (1), the opening of the "U"-shaped frame faces upward, and the bottom of the "U"-shaped frame is fixed on the bottom plate of the explosion-proof box (4) One of the splints (1) is fixed on one side of the "U"-shaped frame, and the other splint (1) is detachably connected to the other side of the "U"-shaped frame; two The splint (1) and the "U" frame surround and form an accommodating space for the battery to be tested (6). The side of the battery to be tested (6) with the through hole (61) of the explosion-proof valve faces placed in the accommodation space; The cell fixture also includes a cover plate (2), the cover plate (2) is arranged on the top of the “U”-shaped frame, and the cover plate (2) is detachably connected to the “U”-shaped frame , the air pressure pipeline (5) passes through the cover plate (2) and is sealingly connected with the through hole (61) of the explosion-proof valve of the battery to be tested. 2. An explosion-proof pressure test tool for an aluminum case power battery according to claim 1, characterized in that: the explosion-proof box (4) includes an explosion-proof door (41) and a box body (42), and the box body (42 ) is provided with an opening on one side, the explosion-proof door (41) is arranged at the opening, and one side of the explosion-proof door (41) is hinged with the edge of the opening of the box (42). 3. An explosion-proof pressure test tool for an aluminum case power battery according to claim 1, characterized in that: the cover plate (2) is provided with a pole avoidance hole (21) for avoiding the battery under test (6) pole. 4. The explosion-proof pressure test tool for an aluminum case power battery according to claim 2, characterized in that: the explosion-proof door (41) is detachably connected to the opening of the box (42) in a sealed manner. 5. An explosion-proof pressure test tool for an aluminum case power battery according to claim 1, characterized in that: the air pressure pipeline (5) is provided with an air pressure breaking valve (53), and the air pressure breaking valve is located on the Outside the explosion-proof box. 6. An explosion-proof pressure test tool for an aluminum case power battery according to claim 1, characterized in that: the air pressure pipeline (5) is provided with an air pressure gauge (52), and the air pressure gauge (52) is located at the The outside of the above-mentioned explosion-proof box. 7. An explosion-proof pressure test tool for an aluminum case power battery according to claim 1, characterized in that: the air pressure line (5) is provided with an air pressure switch (51), and the air pressure switch (51) is located at the The outside of the above-mentioned explosion-proof box. 8. An explosion-proof pressure test tool for an aluminum case power battery according to claim 1, characterized in that: the air pressure line (5) is provided with an air nozzle adapter (54), and the air pressure line (5) ) is sealingly connected with the cover plate (2) through the valve adapter (54). 9. An explosion-proof pressure test tool for an aluminum case power battery according to claim 1, characterized in that: a sealing rubber ring (3) is provided between the battery to be tested and the cover plate (2), and the The sealing rubber ring (3) is located outside the through hole (61) of the explosion-proof valve, and is used to seal the connection between the air pressure pipeline (5) and the battery to be tested. 10. An explosion-proof pressure test tool for an aluminum case power battery according to claim 1, characterized in that: the cover plate (2) and the splint (1) are both connected to the “U”-shaped frame by bolts .