CN220544174U - Negative electrode conductive piece for battery box, battery box and electric energy meter - Google Patents

Negative electrode conductive piece for battery box, battery box and electric energy meter Download PDF

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Publication number
CN220544174U
CN220544174U CN202321005552.2U CN202321005552U CN220544174U CN 220544174 U CN220544174 U CN 220544174U CN 202321005552 U CN202321005552 U CN 202321005552U CN 220544174 U CN220544174 U CN 220544174U
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China
Prior art keywords
negative electrode
battery
electrode conductive
elastic
conductive member
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CN202321005552.2U
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Chinese (zh)
Inventor
乐红强
曹小虎
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Ningbo Sanxing Medical and Electric Co Ltd
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Ningbo Sanxing Medical and Electric Co Ltd
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Priority to CN202321005552.2U priority Critical patent/CN220544174U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses a negative electrode conductive member for a battery case, which is integrally formed and has an elastic portion for abutting against a negative electrode of a battery. Thus, the negative electrode conductive member cannot have the problem of poor contact, so that the negative electrode conductive member and the negative electrode of the battery are ensured to have good electric connection effect; the integral molding has lower process requirements; the structure is reasonable. The utility model also discloses a battery box and an electric energy meter, and the problem of poor contact of the negative electrode conductive piece is solved, so that the good electric connection effect of the negative electrode conductive piece and the negative electrode of the battery is ensured; the integral molding has lower process requirements; the structure is reasonable.

Description

Negative electrode conductive piece for battery box, battery box and electric energy meter
Technical Field
The utility model relates to the technical field of battery boxes, in particular to a negative electrode conductive piece for a battery box, the battery box and an electric energy meter.
Background
The electric energy meter is a meter for measuring electric energy, also called an electric meter, a fire meter and a kilowatt hour meter, and refers to a meter for measuring various electric quantities.
The battery case generally comprises a case body, a positive electrode conductive member, a negative electrode conductive member, and a battery arranged in the case body, and supplies power to the electronic element through the battery. The electronic components may be power meters, concentrators, terminals, etc.
Wherein, the negative electrode conductive member includes a spring and a metal sheet. The upper end of the spring is used for contacting with the negative electrode of the battery, the lower end of the spring is riveted with the metal sheet, and the metal sheet is electrically connected with an external electronic element, but the requirement on the manufacturing process is higher, the condition that the lower end of the spring is not pressed with the metal sheet exists, poor contact between the lower end of the spring and the metal sheet can be caused, and the electric connection between the lower end of the spring and the metal sheet is influenced, so that the electric connection between the negative electrode of the battery and a negative electrode conductive piece is influenced.
Disclosure of Invention
The first technical problem to be solved by the utility model is to provide a negative electrode conductive piece for a battery box, which can be well electrically connected with a negative electrode of a battery.
The second technical problem to be solved by the utility model is to provide a battery box.
The third technical problem to be solved by the utility model is to provide an electric energy meter.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: a negative electrode conductive member for a battery case, characterized in that: the negative electrode conductive member is integrally formed and has an elastic portion for abutting against a negative electrode of the battery;
the negative electrode conductive member includes
An extension section consistent with the length direction of the battery;
a connection part connected to one end of the extension section and adjacent to the negative electrode of the battery;
the elastic part is positioned on the connecting part.
The elastic part is specifically structured that a connecting sheet is arranged at the end part of the negative electrode conductive piece, and part of the connecting sheet is bulged to form an elastic arm, and the elastic arm is the elastic part;
the connecting piece is the connecting part.
In order to increase the contact area between the negative electrode conductive piece and the battery negative electrode, the elastic arms are at least two and are distributed at intervals. Thus, the contact area between the negative electrode conductive member and the battery negative electrode is large, and the contact between the negative electrode conductive member and the battery negative electrode is good.
The elastic part is specifically constructed such that the elastic part is spiral. So that the elasticity is sufficient.
In order to make the elastic portion well contact with the battery negative electrode, the end of the elastic portion has a contact convex portion for abutting against the battery negative electrode.
In order to ensure that the negative electrode conductive member is in good contact with the negative electrode of the battery, the connecting piece has elasticity, and the elastic arm on the connecting piece has a tendency to abut against the negative electrode of the battery. Therefore, the connecting piece and the elastic arm are elastic, and the whole negative electrode conductive piece is sufficient in elasticity, so that the negative electrode conductive piece is well contacted with the negative electrode of the battery.
The utility model adopts the technical proposal for solving the second technical problem that: a battery case, characterized in that: the negative electrode conductive member for the battery box is included.
Specifically, the battery box comprises a box body with a containing cavity, and the elastic part of the negative electrode conductive piece is positioned in the containing cavity of the box body.
In order to further ensure that the negative electrode conductive piece is well contacted with the negative electrode of the battery, the elastic arm is positioned at the top of the connecting sheet, the part of the connecting sheet is downwards sunken to form a mounting arm, and the middle part of the mounting arm is provided with a space with the corresponding position of the connecting sheet to form a mounting hole;
the battery box also comprises an elastic piece, the upper end of the elastic piece penetrates through the mounting hole and is pressed at the corresponding position of the connecting piece by the mounting arm, the lower end of the elastic piece is connected with the cavity wall of the accommodating cavity, the elastic piece acts on the connecting piece upwards, and the elastic arm of the connecting piece has a tendency of propping against the negative electrode of the battery. Thus, through setting up the elastic component, the elastic component finally gives the elastic arm an upward force to further make the negative pole electrically conductive piece and the negative pole of battery contact well.
The utility model adopts the technical proposal for solving the third technical problem that: an electric energy meter, characterized in that: the battery box comprises the battery box.
Compared with the prior art, the utility model has the advantages that: the negative electrode conductive piece is integrally formed and provided with an elastic part for propping against the negative electrode of the battery, so that the negative electrode conductive piece cannot have the problem of poor contact, and the negative electrode conductive piece and the negative electrode of the battery are ensured to have good electric connection effect; the integral forming has lower relative process requirement; the structure is reasonable.
Drawings
Fig. 1 is a schematic perspective view of a battery case according to an embodiment of the utility model;
FIG. 2 is an exploded view of the battery compartment of FIG. 1;
FIG. 3 is a partial cross-sectional view of the battery compartment of FIG. 1;
fig. 4 is a schematic perspective view of a negative electrode conductive member according to a first embodiment of the present utility model;
FIG. 5 is a schematic perspective view of a positive electrode conductive member according to a first embodiment of the utility model;
FIG. 6 is an exploded view of a second battery compartment according to an embodiment of the present utility model;
FIG. 7 is a partial cross-sectional view of a second battery compartment according to an embodiment of the utility model;
fig. 8 is a schematic perspective view of a negative electrode conductive member according to a second embodiment of the present utility model;
fig. 9 is an exploded view of a three-battery case according to an embodiment of the present utility model;
FIG. 10 is a partial cross-sectional view of a three-cell cartridge according to an embodiment of the present utility model;
fig. 11 is a schematic perspective view of a negative electrode conductive member according to a third embodiment of the present utility model;
fig. 12 is an assembly schematic diagram of a negative electrode conductive member and an elastic member according to a third embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Example 1:
referring to fig. 1 to 5, a preferred embodiment of the battery case of the present utility model is shown. The battery case includes a case body 200, a positive electrode conductive member 3, a negative electrode conductive member 1, and a battery 100 disposed in the case body 200.
The negative electrode conductive member 1 for a battery case is integrally molded, and the negative electrode conductive member 1 has an elastic portion 11 for abutting against the negative electrode 101 of the battery 100. The negative electrode conductive member 1 includes an extension section 1a and a connecting portion, and the extension section 1a is consistent with the length direction of the battery 100; the connection part is connected with one end of the extension section 1a and is adjacent to the negative electrode 101 of the battery 100; the elastic portion 11 is located on the connection portion. The end of the negative electrode conductive member 1 has a connecting piece 12, and a part of the connecting piece 12 is raised to form an elastic arm, the elastic arm is an elastic portion 11, and the connecting piece 12 is a connecting portion. The number of the elastic arms is two and the elastic arms are distributed at intervals, and the number of the elastic arms can be 3 or more. The spring arm may or may not have a free end.
The case 200 has a receiving cavity, and the elastic portion 11 of the negative electrode conductive member 1 is located in the receiving cavity 201 of the case 200. Specifically, the case 200 includes a base 202 having an open top, and a cover 201 for opening or closing the open top. The middle part of the negative electrode conductive piece 1 is provided with mounting holes 13 which are arranged at intervals with the connecting piece 12, and the bottom wall of the inner cavity of the base 202 extends upwards partially to form a limit column 202a which is inserted into the mounting holes 13. Other structures may be used for the case 200, for example, a case structure such as that described in the application No. cn201721122680.X "a battery case structure for an electric energy meter".
A part of the positive electrode conductive member 3 is connected to the inner cavity top wall of the accommodating cavity of the base 202, and the part is for abutting against the positive electrode 102 of the battery 100, specifically, the positive electrode conductive member 3 is provided at the lower portion of the cover 201. The positive electrode conductive member 3 has a groove 31 opened downward in a part thereof, an inner peripheral wall 311 of the groove 31 is tapered in an inner diameter gradually decreasing from bottom to top, and an inner peripheral wall 211 of the groove 31 is adapted to abut against an outer peripheral wall of the positive electrode 101 of the battery 100 to form a line contact therebetween. The positive electrode conductive member 3 extends out of the case 1.
The embodiment also provides an electric energy meter, which comprises the battery box.
The working principle and the use method of the battery case of the present embodiment are as follows.
The battery 100 is placed in the receiving cavity of the case 200, and the cover 201 and the base 202 are fastened. At this time, the elastic portion 11 of the negative electrode conductive member 1 is in contact with the negative electrode 101 of the battery 100, and the outer peripheral wall of the groove 31 of the positive electrode conductive member 3 is in contact with the outer peripheral wall of the positive electrode 102 of the battery 100, so that the positive electrode conductive member 3 is in contact with the positive electrode 102 of the battery 100.
The outer ends of the positive electrode conductive piece 3 extending out of the box body 200 and the outer ends of the negative electrode conductive piece 1 extending out of the box body 200 are respectively electrically connected with the electronic element to be powered.
Example 2:
referring to fig. 6-8, another preferred embodiment of the present utility model is shown. The structure of the negative electrode conductive material for a battery case of the present embodiment is different from that of embodiment 1 in that the elastic portion 11 of the negative electrode conductive material of the present embodiment is spiral-shaped, and the end of the elastic portion 11 has a contact convex portion 111 for abutting against the negative electrode 101 of the battery 100.
Example 3:
referring to fig. 9-12, another preferred embodiment of the present utility model is shown. The structure of the negative electrode conductive member for a battery case of the present embodiment is different from that of embodiment 1, and the connecting piece 12 of the present embodiment has elasticity, so that the elastic arm on the connecting piece 12 has a tendency to abut against the negative electrode 101 of the battery 100. The elastic arm is located at the top of the connecting piece 12, and part of the connecting piece 12 is recessed downwards to form a mounting arm 121, and a space is formed between the middle part of the mounting arm 121 and the corresponding position of the connecting piece 12 to form a mounting hole 122. The mounting arm 121 may or may not have a free end.
The battery case further comprises an elastic member 2, wherein the upper end of the elastic member 2 passes through the mounting hole 122 and is pressed at a corresponding position of the connecting sheet 12 by the mounting arm 121, the lower end of the elastic member 2 is connected with the cavity wall of the accommodating cavity 201, and the elastic member 2 acts on the connecting sheet 12 upwards, so that the elastic arm of the connecting sheet 12 has a tendency to prop against the negative electrode 101 of the battery 100. The elastic member 12 is a spring, and may be an elastic strip or a spring sheet. The middle part of the bottom of the inner cavity of the base 202 is also provided with a convex column 202b for sleeving the elastic piece 2.
The positive electrode conductive member 3 further has a positioning hole 32 provided at a distance from the recess 31, and the housing chamber 1a of the case 200 has a positioning post 201a inserted into the positioning hole 32 at a corresponding position.
In the present embodiment, the elastic member 2 functions to support the connection member 12 of the anode conductive member 1 upward without participating in the electrical connection.

Claims (10)

1. A negative electrode conductive member for a battery case, characterized in that: the negative electrode conductive member (1) is integrally molded, and the negative electrode conductive member (1) has an elastic portion (11) for abutting against a negative electrode (101) of the battery (100);
the negative electrode conductive member (1) includes
An extension section (1 a) which is consistent with the length direction of the battery (100);
a connection part connected to one end of the extension section (1 a) and adjacent to the negative electrode (101) of the battery (100);
the elastic part (11) is positioned on the connecting part.
2. The negative electrode conductive member for a battery case according to claim 1, wherein: the end part of the negative electrode conductive piece (1) is provided with a connecting sheet (12), and part of the connecting sheet (12) is bulged to form an elastic arm, and the elastic arm is the elastic part (11);
the connecting piece (12) is the connecting part.
3. The negative electrode conductive member for a battery case according to claim 2, wherein: the elastic arms are at least two and are distributed at intervals.
4. The negative electrode conductive member for a battery case according to claim 1, wherein: the elastic part (11) is spiral.
5. The negative electrode conductive member for a battery case according to claim 4, wherein: the end of the elastic part (11) is provided with a contact convex part (111) for abutting against the negative electrode (101) of the battery (100).
6. The negative electrode conductive member for a battery case according to claim 2, wherein: the connecting piece (12) has elasticity, and the elastic arm on the connecting piece (12) has a tendency to be propped against the negative electrode (101) of the battery (100).
7. A battery case, characterized in that: the negative electrode conductive member for a battery case according to claim 2, wherein the elastic arm is positioned at the top of the connecting sheet (12), a part of the connecting sheet (12) is recessed downwards to form a mounting arm (121), and a middle part of the mounting arm (121) is spaced from a corresponding position of the connecting sheet (12) to form a mounting hole (122);
the battery box further comprises an elastic piece (2), the upper end of the elastic piece (2) penetrates through the mounting hole (122) and is pressed at a position corresponding to the connecting piece (12) by the mounting arm (121), the lower end of the elastic piece (2) is connected with the cavity wall of the accommodating cavity (201), the elastic piece (2) acts on the connecting piece (12) upwards, and the elastic arm of the connecting piece (12) has a tendency to prop against the negative electrode (101) of the battery (100).
8. The battery pack according to claim 7, wherein: the battery box comprises a box body (200) with a containing cavity, and the elastic part (11) of the negative electrode conductive piece (1) is positioned in the containing cavity (201) of the box body (200).
9. A battery case, characterized in that: a negative electrode conductive member for a battery case according to any one of claims 1 to 6.
10. An electric energy meter, characterized in that: a battery compartment comprising a battery according to any one of claims 7 to 9.
CN202321005552.2U 2023-04-28 2023-04-28 Negative electrode conductive piece for battery box, battery box and electric energy meter Active CN220544174U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321005552.2U CN220544174U (en) 2023-04-28 2023-04-28 Negative electrode conductive piece for battery box, battery box and electric energy meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321005552.2U CN220544174U (en) 2023-04-28 2023-04-28 Negative electrode conductive piece for battery box, battery box and electric energy meter

Publications (1)

Publication Number Publication Date
CN220544174U true CN220544174U (en) 2024-02-27

Family

ID=89967857

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321005552.2U Active CN220544174U (en) 2023-04-28 2023-04-28 Negative electrode conductive piece for battery box, battery box and electric energy meter

Country Status (1)

Country Link
CN (1) CN220544174U (en)

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