Battery convenient to produce

Abstract

The utility model discloses a battery convenient to produce, which comprises a battery cell, a charging and discharging control board, a conductive shell, a negative electrode connecting piece, a positive electrode part and a negative electrode part, the battery cell is arranged in the conductive shell, the upper end of the conductive shell extends upwards to form a containing groove, the charging and discharging control board and the negative electrode connecting piece are both arranged in the containing groove, and the positive electrode part is arranged in the containing groove. The battery cell and the positive electrode part are electrically connected with the charging and discharging control board, and the negative electrode part is electrically connected with the charging and discharging control board through the conductive shell and the negative electrode connecting piece in sequence. The containing groove can contain the negative electrode connecting piece, the charging and discharging control panel and other components, assembling of the battery is facilitated, and then production of the battery can be facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of battery, in particular to a battery of convenient production. BACKGROUND

[0002] The existing lithium battery, nickel hydrogen, nickel cadmium and other energy storage batteries are usually composed of battery core, shell, BMS protection plate and other accessories, the battery core adopts metal shell winding core or soft package winding core. The positive and negative poles of the battery core are connected with the positive and negative poles of the BMS protection plate, which is relatively complex and is not convenient for assembly, so that the production of the whole battery is not convenient. SUMMARY

[0003] In order to solve the above problems, the primary purpose of the utility model is to provide a battery of convenient production, which can facilitate the assembly of the battery and thus facilitate the production of the battery.

[0004] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] The utility model provides a battery of convenient production, which comprises: a battery core, a charge and discharge control board, a conductive shell, a negative pole connecting piece, a positive pole part and a negative pole part, the battery core is arranged in the conductive shell, the upper end of the conductive shell extends upward to form a containing groove, the containing groove is located above the battery core, the charge and discharge control board and the negative pole connecting piece are arranged in the containing groove, the positive pole part and the negative pole part are protruded from the conductive shell, the battery core, the positive pole part and the charge and discharge control board are electrically connected, and the negative pole part is electrically connected with the charge and discharge control board through the conductive shell and the negative pole connecting piece in sequence.

[0006] Further, the battery core and the charge and discharge control board are provided with a sealing element, the sealing element is arranged in the containing groove, and the sealing element is in interference fit with the containing groove.

[0007] Further, the conductive shell is recessed inward at the position corresponding to the sealing element to form a clamping protrusion, the sealing element is made of plastic by injection molding in the containing groove, so that a clamping groove matched with the clamping protrusion is formed on the sealing element, and the clamping protrusion is clamped in the clamping groove.

[0008] Further, a support is arranged above the sealing element, the charge and discharge control board is installed on the support, the support is arranged in the containing groove, the lower end of the positive pole part is electrically connected with the charge and discharge control board, and the upper end penetrates through the support and is exposed outside the support.

[0009] Further, the support is made of plastic by injection molding, the lower part of the support is arranged in the containing groove, the upper part of the support protrudes from the conductive shell, and the support and the conductive shell are sealingly connected.

[0010] Further, the bottom of the conductive shell protrudes downward to form the negative electrode part.

[0011] Further, the negative electrode connecting sheet is attached to the inner side wall of the conductive shell, and a connecting end is horizontally protruded on the negative electrode connecting sheet, and the connecting end is electrically connected with the charge and discharge control board.

[0012] Specifically, the conductive shell is provided as a circular shell, and the negative electrode connecting sheet is provided as a semicircular sheet structure, which is attached to the inner side of the conductive shell, so as to ensure the stability of the connection, facilitate assembly, and reduce the occupied space.

[0013] Further, the electric core adopts a Faraday type electric core, and the upper part of the Faraday type electric core is provided with a positive electrode pin and a negative electrode pin, and the upper ends of the positive electrode pin and the negative electrode pin are electrically connected with the charge and discharge control board.

[0014] Further, the upper ends of the positive electrode pin and the negative electrode pin sequentially penetrate the sealing member, the charge and discharge control board, and the support, and are exposed outside the support, and the upper end surface of the support is further provided with a gasket for shielding the positive electrode pin and the negative electrode pin. In the present application, the Faraday type electric core is a winding core, which is wound in the conductive shell, and the positive electrode pin and the negative electrode pin protrude out of the steel shell. After the electric core is completed, the sealing member is first injection molded, and then the charge and discharge control board, the positive electrode column, and the negative electrode connecting sheet are injection molded on the support to be modularized as a whole and are installed in the conductive shell. The charge and discharge control board and the support are provided with hole positions connected with the positive electrode pin and the negative electrode pin, and after the support is installed, the protruding parts of the positive electrode pin and the negative electrode pin are cut off, and the gasket is installed for shielding.

[0015] Further, the charge and discharge control board adopts a PCBA board with BMS function.

[0016] Further, the support is further provided with a charge and discharge interface, the charge and discharge interface is exposed to the conductive shell, and the charge and discharge control board is further provided with a charge and discharge terminal, and the charge and discharge terminal is arranged in the charge and discharge interface.

[0017] The advantages of the present application are as follows:

[0018] Firstly, the positive electrode part and the negative electrode part protruding from the conductive shell are used as the positive electrode and the negative electrode of the battery, respectively, for the charge and discharge connection of the battery, and the negative electrode part is electrically connected with the charge and discharge control board through the conductive shell and the negative electrode connecting sheet, so as to utilize the conductive shell as an intermediate electrical connecting component, avoid direct welding and fixation of the conductive shell with the charge and discharge control board, and facilitate the assembly of the charge and discharge control board.

[0019] Secondly, the conductive shell extends the accommodating groove above the electric core, can accommodate the negative pole connecting piece, the charge and discharge control panel and other components by the accommodating groove, so that the assembly of the negative pole connecting piece, the charge and discharge control panel and other components can be facilitated, and the production of the battery can be facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the axonometric view of the battery.

[0021] Figure 2 is the explosion view of the battery.

[0022] Figure 3 is the section view of the battery.

[0023] Figure 4 is Figure 3 is the local enlarged view of A in the figure.

[0024] In the figure: 1, the fara electric core; 2, the charge and discharge control panel; 3, the steel shell; 31, the accommodating groove; 32, the clamping protrusion; 4, the negative pole connecting piece; 41, the connecting end; 5, the positive pole part; 6, the negative pole part; 7, the sealing element; 71, the clamping groove; 8, the support; 81, the charge and discharge interface; 9, the gasket; 10, the charge and discharge terminal; 11, the positive pole pin; 12, the negative pole pin. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following is combined with the figure and example, and the utility model is further described in detail.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0026] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0027] Referring to Figures 1-4 As shown in the figure, the embodiment provides a battery convenient for production, which comprises: a fara electric core 1, a charge and discharge control panel 2, a steel shell 3, a negative pole connecting piece 4, a positive pole part 5 and a negative pole part 6.The fara electric core 1 is arranged in the steel shell 3, the upper end of the steel shell 3 extends an accommodating groove 31 upwards, the accommodating groove 31 is located above the fara electric core 1, the charge and discharge control panel 2 and the negative pole connecting piece 4 are arranged in the accommodating groove 31, the positive pole part 5 and the negative pole part 6 are protruded and displayed on the steel shell 3, the fara electric core 1, the positive pole part 5 and the charge and discharge control panel 2 are electrically connected, and the negative pole part 6 is sequentially electrically connected with the charge and discharge control panel 2 through the steel shell 3 and the negative pole connecting piece 4.

[0028] In the embodiment, the positive electrode part 5 and the negative electrode part 6 of the steel shell 3 are respectively used as the positive electrode and the negative electrode of the battery, and are used for the charging and discharging connection of the battery. The negative electrode part 6 is electrically connected with the charging and discharging control board 2 through the steel shell 3 and the negative electrode connecting piece 4. The steel shell 3 can be used as an intermediate electrical connecting part, and can avoid being directly welded and fixed with the charging and discharging control board 2, so that the assembly of the charging and discharging control board 2 is facilitated. Meanwhile, the steel shell 3 extends the accommodating groove 31 above the Faraday-type battery cell 1, and the negative electrode connecting piece 4, the charging and discharging control board 2 and other parts can be accommodated in the accommodating groove 31, so that the assembly of the negative electrode connecting piece 4, the charging and discharging control board 2 and other parts is facilitated, and the production of the battery is facilitated.

[0029] Further, the Faraday-type battery cell 1 and the charging and discharging control board 2 are provided with a sealing piece 7, the sealing piece 7 is arranged in the accommodating groove 31, and the sealing piece 7 is in interference fit with the accommodating groove 31.

[0030] Further, the steel shell 3 is inwardly recessed at a position corresponding to the sealing piece 7 to form a clamping protrusion 32. The sealing piece 7 is made of plastic and is injection molded in the accommodating groove 31, so that a clamping groove 71 matched with the clamping protrusion 32 is formed on the sealing piece 7, and the clamping protrusion 32 is clamped in the clamping groove 71.

[0031] Further, a support 8 is arranged above the sealing piece 7, the charging and discharging control board 2 is arranged on the support 8, the support 8 is arranged in the accommodating groove 31, the lower end of the positive electrode part 5 is electrically connected with the charging and discharging control board 2, and the upper end penetrates through the support 8 and is exposed outside the support 8.

[0032] Further, the support 8 is made of plastic and is injection molded. The lower part of the support 8 is arranged in the accommodating groove 31, the upper part of the support 8 protrudes out of the steel shell 3, and the support 8 is sealingly connected with the steel shell 3.

[0033] Further, the bottom of the steel shell 3 protrudes downward to form the negative electrode part 6, so that the positive electrode and the negative electrode of the battery are respectively arranged at the upper end and the lower end of the steel shell 3.

[0034] Further, the negative electrode connecting piece 4 is in close contact with the inner side wall of the steel shell 3, and a connecting end 41 protrudes horizontally on the negative electrode connecting piece 4, and the connecting end 41 is electrically connected with the charging and discharging control board 2. The negative electrode connecting piece 4 is made of a copper sheet or an aluminum sheet with heat dissipation performance, which can realize the connection between the negative electrode of the battery cell 1 and the charging and discharging control board 2, and can dissipate the heat of the charging and discharging control board 2 to the outside of the battery through the shell 3, so as to have the dual effects of electrical connection and heat dissipation.

[0035] Specifically, the steel shell 3 is arranged as a circular shell, and the negative electrode connecting sheet 4 is arranged as a semicircular sheet structure and is attached to the inner side of the steel shell 3, which can ensure the stability of the connection and facilitate assembly and reduce the occupied space.

[0036] Further, the upper part of the Faraday cell 1 is provided with a positive electrode pin 11 and a negative electrode pin 12, and the upper ends of the positive electrode pin 11 and the negative electrode pin 12 are electrically connected with the charge and discharge control panel 2.

[0037] Further, the upper ends of the positive electrode pin 11 and the negative electrode pin 12 sequentially penetrate the sealing member 7, the charge and discharge control panel 2, and the bracket 8 and are exposed outside the bracket 8; the upper end surface of the bracket 8 is further provided with a gasket 9 for shielding the positive electrode pin 11 and the negative electrode pin 12. In this application, the Faraday cell 1 is a winding core, which is wound in the steel shell 3, and the positive electrode pin 11 and the negative electrode pin 12 protrude from the steel shell 3. After the Faraday cell 1 is completed, the sealing member 7 is first injected, and then the charge and discharge control panel 2, the positive electrode column, and the negative electrode connecting sheet 4 are injected on the bracket 8 to be modularized as a whole and are installed in the steel shell 3; the charge and discharge control panel 2 and the bracket 8 are preformed with hole positions connected with the positive electrode pin 11 and the negative electrode pin 12, and after the bracket 8 is installed, the protruding parts of the positive electrode pin 11 and the negative electrode pin 12 are cut off and are shielded by the gasket 9.

[0038] Further, the charge and discharge control panel 2 adopts a PCBA board with BMS function.

[0039] Further, the bracket 8 is further provided with a charge and discharge interface 81, the charge and discharge interface 81 is exposed to the steel shell 3, the charge and discharge control panel 2 is further provided with a charge and discharge terminal 10, and the charge and discharge terminal 10 is arranged in the charge and discharge interface 81.

[0040] Further, the charge and discharge terminal 10 adopts a TYPE-C terminal. The TYPE-C terminal can be used to charge and discharge the battery.

[0041] Further, the assembly process of the battery of the present application is as follows:

[0042] 1. Install the Faraday cell 1 in the conductive shell, and inject appropriate electrolyte;

[0043] 2. Inject the sealing member 7 in the conductive shell to seal the cell in the conductive shell;

[0044] 3. Inject the charge and discharge control panel 2, the positive electrode column, and the negative electrode connecting sheet 4 on the bracket 8 to modularize them as a whole and install them in the conductive shell;

[0045] 4, the farad electric core 1 positive pin 11, negative pin 12 protruding from the excess part of the support 8 is cut off, install the gasket 9.

[0046] Further, by the positive electrode part 5, the negative electrode part 6 circuit, the circuit principle of the battery of the application is: the upper end of the conductive shell positive electrode part 5 as the positive electrode of the battery, the protruding negative electrode part 6 at the bottom of the conductive shell as the negative electrode of the battery, the negative electrode part 6 in turn through the conductive shell, the negative electrode connecting piece 4 and the charge and discharge control panel 2 are electrically connected, forming the conductive loop of the battery; the electric core is connected with the charge and discharge control panel 2 through the positive electrode pin 11 and the negative electrode pin 12, forming the internal conductive loop of the electric core.

[0047] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A battery for easy production, characterized by The application relates to a battery, which comprises an electric core, a charge-discharge control board, a conductive shell, a negative electrode connecting sheet, a positive electrode part and a negative electrode part. The electric core and the charge-discharge control board are provided with a sealing element, the sealing element is arranged in the accommodating groove, and the sealing element is in interference fit with the accommodating groove.

2. A battery for easy production as claimed in claim 1, wherein The conductive shell is recessed inward at the position corresponding to the sealing element to form a clamping protrusion, the sealing element is made of plastic and is injection molded in the accommodating groove, so that a clamping groove matched with the clamping protrusion is formed on the sealing element, and the clamping protrusion is clamped in the clamping groove.

3. A battery for easy production as claimed in claim 2, wherein The upper portion of the sealing element is further provided with a support, the charge-discharge control board is mounted on the support, the support is arranged in the accommodating groove, the lower end of the positive electrode part is electrically connected with the charge-discharge control board, and the upper end penetrates through the support and is exposed outside the support.

4. A battery for easy production as claimed in claim 2, wherein The lower portion of the support is arranged in the accommodating groove, the upper portion of the support protrudes from the conductive shell, and the support is in sealed connection with the conductive shell.

5. A battery for easy production as claimed in claim 4, wherein The bottom of the conductive shell protrudes downward to form the negative electrode part.

6. A battery for easy production as defined in claim 1, characterized in that The negative electrode connecting sheet is in close contact with the inner side wall of the conductive shell, and a connecting end horizontally protrudes on the negative electrode connecting sheet, the connecting end is electrically connected with the charge-discharge control board.

7. A battery for easy production as defined in claim 1, characterized in that The electric core is a Faraday type electric core, the upper portion of the Faraday type electric core is provided with a positive electrode lead and a negative electrode lead, and the upper ends of the positive electrode lead and the negative electrode lead are electrically connected with the charge-discharge control board.

8. A battery for easy production as claimed in claim 4, wherein The upper ends of the positive electrode lead and the negative electrode lead penetrate through the sealing element, the charge-discharge control board and the support in sequence and are exposed outside the support, and a gasket is further arranged on the upper end face of the support for shielding the positive electrode lead and the negative electrode lead.

9. A battery for easy production as claimed in claim 8, wherein The support is further provided with a charge-discharge interface, the charge-discharge interface is exposed to the conductive shell, the charge-discharge control board is further provided with a charge-discharge terminal, and the charge-discharge terminal is arranged in the charge-discharge interface.

10. A battery for easy production as claimed in claim 4 wherein, ​

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