Lithium ion battery detector

Abstract

The utility model discloses a lithium ion battery detector which comprises a shell and a detection element, the detection element is arranged in the shell, the shell comprises an upper cover and a bottom shell, and the upper cover and the bottom shell are connected with each other to form a cavity for placing the detection element; an embedding groove for embedding the battery pack from top to bottom is formed in the top of the upper cover; an elastic contact pin part in the detection element is arranged at the bottom of the bottom shell and vertically corresponds to the embedding groove; through holes for embedding a display part, a switch part and an interface part in the detection element are formed in the bottom shell and the upper cover; heat dissipation holes are formed in the bottom and / or protruding parts on the two sides of the bottom shell. According to the utility model, the elastic contact pin part is arranged in the groove on the shell to limit the battery pack, so that the contact of the battery pack is conveniently connected with the elastic contact pin part, the battery pack does not need to be moved repeatedly to adjust the position of the contact, the labor intensity of personnel is reduced, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery detection technical field, concretely relates to a lithium ion battery detector. BACKGROUND

[0002] The tail device is an important equipment installed at the tail of railway freight train, and its main functions include train tail wind pressure inquiry, wind pressure abnormality alarm, exhaust brake and the like, to ensure the safe operation of the train. The implementation of these functions needs power support, so the built-in battery of the tail device is essential. Since the lithium ion battery has the characteristics of high energy density, long cycle life, fast charging capacity and light weight, the current tail battery all adopts lithium battery. In order to ensure the performance of the tail lithium battery, detection is needed before leaving the factory.

[0003] The existing tail battery detector sets the elastic contact pin part on the detector. The battery pack to be detected is placed on the shell to make the contact points on the battery pack electrically connected with the elastic contact pin part. The detection element electrically connected with the elastic contact pin part obtains the battery pack information and displays it through the display part. The personnel obtains the battery pack information through the display part, and completes the detection of the battery pack after personnel judgment. However, the existing elastic contact pin is set on the shell. During the test, the battery placed on the shell may be loose when connected with the elastic contact pin part, resulting in poor contact between the two. It is often necessary to repeatedly move the battery pack to adjust the position, which increases the labor intensity of personnel and affects the detection efficiency and detection accuracy. Therefore, how to design a device capable of quickly detecting the battery pack is a problem to be solved. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the defects and deficiencies of the above background technologies, and provides a lithium ion battery detector. The elastic contact pin part is arranged in the groove on the shell to limit the battery pack, facilitate the connection between the contact points of the battery pack and the elastic contact pin part, and reduce the labor intensity of personnel and improve the detection efficiency without repeatedly moving the battery pack to adjust the contact point position.

[0005] To achieve the above purpose, the utility model provides a lithium ion battery detector, which comprises a shell and a detection element. The detection element is arranged in the shell. The detection element comprises a circuit board, a display part for display electrically connected with the circuit board, a switch part for controlling the on-off of the power supply, an interface part electrically connected with the outside world and an elastic contact pin part electrically connected with the battery pack. The utility model is characterized by

[0006] The shell comprises an upper cover and a bottom shell. The upper cover and the bottom shell are connected with each other to form a cavity for placing the detection element.

[0007] The upper cover top is provided with an embedding slot for embedding the battery pack from top to bottom, and the elastic contact pin component is arranged on the bottom shell bottom and corresponds to the embedding slot up and down;

[0008] The bottom shell and the upper cover are provided with through holes for embedding the display component, the switch component and the interface component, and the bottom shell bottom and / or the two side protrusions are provided with heat dissipation holes.

[0009] Further, the upper cover and the bottom shell are both U-shaped structures, the edges of the upper cover and the bottom shell are provided with fixing sheets which are perpendicular to the planes of the upper cover and the bottom shell and are inwardly bent, the fixing sheets are in contact with the upper cover or the bottom shell when the upper cover and the bottom shell are engaged with each other, the fixing sheets are provided with fixing screw holes, the upper cover and the bottom shell are provided with fixing through holes corresponding to the fixing screw holes, and the fixing screws are screwed with the fixing screw holes after penetrating the fixing through holes.

[0010] Further, the side protrusion of the upper cover is a downwardly inclined slope, and the bottom edge of the side protrusion is an inner buckle structure, and the bottom edge of the bottom shell is in the inner buckle structure.

[0011] Further, the inner buckle structure is provided with a fixing through hole for penetrating the fixing screw, and the bottom of the bottom shell in the inner buckle structure is provided with a fixing screw hole corresponding to the fixing through hole and for screwing the fixing screw.

[0012] Further, the bottom edge of the bottom shell is upwardly bent to be L-shaped.

[0013] Further, the upper cover and the fixing sheet and the inner buckle structure on the upper cover are integrally stamped and bent, and the bottom shell and the fixing sheet and the L-shaped structure on the bottom shell are integrally stamped and bent.

[0014] Further, the elastic contact pin component is arranged on the bottom shell bottom through a mounting plate.

[0015] Further, the bottom of the bottom shell is provided with a support column for supporting the circuit board and the mounting plate.

[0016] Compared with the prior art, the utility model has the following technical effects:

[0017] The utility model discloses a recess for embedding the battery pack is arranged on the box, and the elastic contact pin part is arranged at the recess bottom, when the battery pack is put into the recess, the contact on the battery pack can directly communicate with the elastic contact pin part, and the operation is simple, the connection is reliable, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which form a part of this specification, are included to further illustrate the preferred embodiments of the present application and are incorporated by reference herein. In the drawings:

[0019] Figure 1 It is the structure diagram of the utility model upper cover;

[0020] Figure 2 It is the structure diagram of the utility model bottom shell;

[0021] Figure 3 It is the structure diagram of the utility model elastic contact pin part;

[0022] Figure 4 It is the three-dimensional structure of the utility model Figure 1 ;

[0023] Figure 5 It is the three-dimensional structure of the utility model Figure 2 .

[0024] Marked number in the drawing: 1, upper cover;2, bottom shell;3, embedding groove;4, through -hole;5, heat dissipation hole;6, fixed sheet;7, fixed screw hole;8, fixed through -hole;9, fixed screw;10, inner buckle structure;11, L structure;12, mounting plate;13, support column;14, elastic contact pin part. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are described in detail below in combination with the drawings, but the utility model can be implemented in many different ways limited and covered by the claims.

[0026] The preferred embodiments of the utility model are described in detail below in combination with the drawings, but the utility model can be implemented in many different ways limited and covered by the claims. Figures 1 to 5 The preferred embodiments of the utility model are described in detail below in combination with the drawings, but the utility model can be implemented in many different ways limited and covered by the claims. Figure 1 And 4 As shown in the drawings, the shell comprises an upper cover 1 and a bottom shell 2, the upper cover 1 and the bottom shell 2 are connected with each other to form a cavity for placing the detection element; the upper cover 1 is provided with an embedding groove 3 at the top for embedding the battery pack from top to bottom, the embedding groove 3 is matched with the battery to be detected, and the elastic contact pin part is arranged at the bottom of the bottom shell 2 and corresponds to the embedding groove 3 up and down; the bottom shell 2 and the upper cover 1 are provided with through holes 4 for embedding the display part, the switch part and the interface part, and the bottom and / or both sides of the bottom shell 2 are provided with heat dissipation holes 5; the embedding groove 3 on the upper cover 1 forms a groove on the shell for embedding the battery pack, and the elastic contact pin part is arranged at the bottom of the groove, when the battery pack is placed in the groove, the contact point on the battery pack can directly communicate with the elastic contact pin part, which is simple to operate, reliable in connection and improves work efficiency, then the detection element obtains the information of the battery pack and displays it through the display part, and personnel can realize the detection of the battery pack by observing the information displayed on the display part.

[0027] In the embodiment, the upper cover 1 and the bottom shell 2 are both in U-shaped structure, the edges of the upper cover 1 and the bottom shell 2 are provided with fixed sheets 6 which are perpendicular to the planes of the upper cover 1 and the bottom shell 2 and are bent inward, the fixed sheets 6 are in contact with the upper cover 1 or the bottom shell 2 when the upper cover 1 and the bottom shell 2 are placed in meshing with each other, the fixed sheets 6 are provided with fixed screw holes 7, the upper cover 1 and the bottom shell 2 are provided with fixed through holes 8 corresponding to the fixed screw holes 7, and fixed screws 9 are screwed with the fixed screw holes 7 after penetrating the fixed through holes 8; the U-shaped upper cover 1 and the bottom shell 2 are placed in meshing with each other and are detachably connected through the fixed sheets 6, the fixed screw holes 7, the fixed through holes 8 and the fixed screws 9, which increases the opening area of the bottom shell 2 and facilitates personnel to install the detection element inside; and when the upper cover 1 and the bottom shell 2 are meshed, the fixed sheets 6 are used for limiting to facilitate installation.

[0028] In the embodiment, the side protruding part of the upper cover 1 is a downwardly inclined slope, and the bottom edge thereof is in the form of an inner buckling structure 10 in which the bottom side edge of the bottom shell 2 is located; the display part is arranged on the downwardly inclined slope, facilitating viewing by personnel, and the inner buckling structure 10 on the upper cover 1 limits the bottom side edge of the bottom shell 2, ensuring the stability of the connection between the upper cover 1 and the bottom shell 2; the inner buckling structure 10 is provided with a fixing through hole 8 through which a fixing screw 9 penetrates, and the bottom of the bottom shell 2 located in the inner buckling structure 10 is provided with a fixing screw hole 7 corresponding to the fixing through hole 8 and for screwing the fixing screw 9; the fixing screw 9 penetrates the fixing through hole 8 and is screwed with the fixing screw hole 7, connecting the inner buckling structure 10 with the bottom of the bottom shell 2, and further increasing the stability of the connection between the upper cover 1 and the bottom shell 2.

[0029] In the embodiment, as shown in Figure 2 , the bottom edge of the bottom shell 2 is bent upwardly in the form of an L-shaped structure 11; the L-shaped structure 11 increases the strength of the bottom edge of the bottom shell 2 and contacts and overlaps the bottom of the protruding part of the upper cover 1, being both beautiful and increasing the stability of the connection between the two; the structures on the upper cover 1 and the bottom shell 2 are integrally stamped and bent to form, being convenient to manufacture.

[0030] In the embodiment, as shown in Figure 3 , the elastic contact pin part is arranged on the bottom of the bottom shell 2 through a mounting plate 12; the elastic contact pin part is arranged on the bottom of the bottom shell 2 through the mounting plate 12, forming one whole with the two groups of elastic contact pin parts, ensuring dimensional stability and facilitating contact with the battery pack contact; the bottom of the bottom shell 2 is provided with a support column 13 supporting the circuit board and the mounting plate 12; the provision of the support column 13 allows the circuit board and the mounting plate 12 to have a gap with the bottom of the bottom shell 2, facilitating air flow and promoting heat dissipation.

[0031] The above is only a preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lithium ion battery detector, comprising a housing and a detection element, the detection element being arranged in the housing, the detection element comprising a circuit board and display components for display, switch components for controlling power on-off, interface components for electrical connection with the outside world, and elastic contact pin components for electrical connection with a battery pack, characterized in that the housing comprises an upper cover and a bottom shell, the upper cover and the bottom shell being connected to each other to form a cavity for placing the detection element; the upper cover is provided at the top with an embedding slot for embedding the battery pack from top to bottom, and the elastic contact pin components are arranged at the bottom of the bottom shell and correspond to the embedding slot in a top-to-bottom manner; the bottom shell and the upper cover are provided with through holes for embedding the display components, the switch components, and the interface components, and the bottom of the bottom shell and / or the protruding portions on both sides are provided with heat dissipation holes. The upper cover and the bottom shell are both in a U-shaped structure, the edges of the upper cover and the bottom shell are provided with fixing pieces which are perpendicular to the planes of the upper cover and the bottom shell and are bent inward, the fixing pieces are in contact with the upper cover or the bottom shell when the upper cover and the bottom shell are placed in engagement with each other, the fixing pieces are provided with fixing screw holes, the upper cover and the bottom shell are provided with fixing through holes corresponding to the fixing screw holes, and the fixing screws are screwed with the fixing screw holes after penetrating through the fixing through holes. One side of the upper cover protrudes downward in a slope, and the bottom edge thereof is in an inner buckling structure, and one side edge of the bottom of the bottom shell is in the inner buckling structure. The inner buckling structure is provided with a fixing through hole for penetrating the fixing screw, and the bottom of the bottom shell in the inner buckling structure is provided with a fixing screw hole corresponding to the fixing through hole and for screwing the fixing screw.

2. The lithium-ion battery tester of claim 1, wherein, The bottom edge of the bottom shell is bent upward in an L-shaped structure.

3. The lithium-ion battery tester of claim 2, wherein, The upper cover, the fixing pieces, and the inner buckling structure on the upper cover are integrally stamped, bent, and formed, and the bottom shell, the fixing pieces, and the L-shaped structure on the bottom shell are integrally stamped, bent, and formed.

4. The lithium-ion battery tester of claim 3, wherein, The elastic contact pin components are arranged at the bottom of the bottom shell through a mounting plate.

5. The lithium-ion battery tester of claim 4, wherein, The bottom of the bottom shell is provided with support columns for supporting the circuit board and the mounting plate.

6. The lithium-ion battery tester of claim 5, wherein, ​ 7. The lithium-ion battery tester of claim 1, wherein, ​ 8. The lithium-ion battery tester of claim 7, wherein, ​

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