CN218482368U - Parallel storage battery capable of being replaced in single group - Google Patents

Abstract

The utility model relates to the technical field of storage batteries, and specifically discloses a parallel-connected storage battery that can be replaced by a single group, comprising: an outer frame, one side of the outer frame is provided with a plurality of installation grooves distributed at equal intervals, and the inner cavity of the installation groove is horizontal A battery pack is plugged in; two conductive plates are respectively embedded on both sides of the outer frame, and a plurality of elastic conductive plates are respectively fixedly connected to the two conductive plates; the lower end of the positioning block is plugged into the inner cavity of the positioning groove; the beneficial effect is : By opening a plurality of installation grooves distributed at equal intervals on the side of the outer frame, the inner wall of the upper end of the installation groove is set as a three-step ladder type, and both ends of the upper end surface of the battery single group are provided with poles, so this device The single battery pack can be pulled and disassembled from the side of the outer frame, and when a single battery pack is removed and replaced, other battery packs still remain electrically connected, thereby avoiding affecting the use of the entire battery.

Description

A parallel battery that can be replaced by a single set

technical field

The utility model relates to the technical field of accumulators, in particular to a parallel-connected accumulator which can be replaced by a single group.

Background technique

A battery is a device that converts chemical energy into electrical energy. After discharge, the internal active material can be regenerated by charging—the electrical energy is stored as chemical energy; when discharge is required, the chemical energy is converted into electrical energy again.

At present, parallel-connected batteries connect the poles of multiple battery groups through conductive sheets, and the positive poles are connected to the positive poles, and the negative poles are connected to the negative poles, so as to increase the energy reserve of the entire battery and disperse the power supply pressure of the single battery group. battery life.

However, in the existing parallel-connected batteries, the single battery groups are generally installed inside the outer frame from top to bottom, and the poles of multiple battery single groups are connected by the conductive sheet embedded in the upper end cover of the outer frame. , the upper end cover of the outer frame needs to be removed, resulting in the failure of the entire battery to continue to be used.

For example, the Chinese invention whose publication number is CN108461698A discloses a series-parallel combined battery pack; it realizes the parallel connection between battery cells through parallel networking.

The parallel network of the battery pack is an integrated structure. When a single battery pack needs to be disassembled separately, the parallel network needs to be disassembled first. At this time, the parallel connection of multiple single battery packs is disconnected, and the entire battery pack cannot continue to be used.

Utility model content

The purpose of the utility model is to provide a parallel-connected storage battery that can be replaced by a single set, so as to solve the problem that the entire storage battery cannot continue to be used when a single battery set is disassembled and replaced in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solution: a parallel battery that can be replaced by a single set, including:

The outer frame, one side of the outer frame is provided with a plurality of installation slots distributed at equal intervals, the inner cavity of the installation slot is horizontally inserted with a single battery group, the upper inner wall of the installation slot and the upper part of the single battery group The end faces are all set in a three-step ladder type, and the middle part of the upper end face of the battery single group is provided with a positioning groove. Elastic conductive sheet;

There are two conductive plates, the two conductive plates are respectively embedded on both sides of the outer frame, and a plurality of the elastic conductive plates are respectively fixedly connected to the two conductive plates, and the two conductive plates Both ends are fixedly connected with binding posts, and the upper ends of the binding posts extend to the top of the outer frame; and

A positioning block, the positioning block is movably inserted in the middle part of the inner wall of the upper end of the installation groove, and the lower end of the positioning block is inserted into the inner cavity of the positioning groove.

Preferably, a sealing plate is fixedly connected to one end of the single battery pack, the sealing plate covers the opening end of the installation groove, and a sealing gasket is bonded to the surface of the sealing plate.

Preferably, a plurality of guide grooves distributed at equal intervals are opened inside the upper end of the outer frame, and the plurality of guide grooves are respectively located directly above the middle parts of the plurality of battery packs.

Preferably, a limiting plate is slidably installed in the inner cavity of the guide groove, and a plurality of the limiting plates are respectively fixedly connected with upper ends of a plurality of positioning blocks.

Preferably, the upper surface of the limiting plate is attached with a pressure plate, and the upper surface of the pressure plate is fixedly connected with a stud, and the stud moves through the inner wall of the upper end of the guide groove through threads, and the upper end of the stud is fixedly connected There are knobs.

Preferably, both sides of the inner cavity of the guide groove are provided with thrust springs, and the upper and lower ends of the thrust spring are respectively attached to the lower surface of the limiting plate and the inner wall of the lower end of the guide groove.

Preferably, a "匚"-shaped groove is opened on the front of the sealing plate, and a folding handle is rotatably installed in the groove.

Compared with the prior art, the beneficial effects of the utility model are:

In the utility model, a plurality of installation grooves distributed at equal intervals are provided on the side of the outer frame. The inner wall of the upper end of the installation groove is set as a three-step ladder type, and the two ends of the inner wall of the upper end of the installation groove are installed with elastic conductive sheets. The single group is plugged into the inner cavity of the installation groove and adapted to it. Both ends of the upper end surface of the single battery group are provided with poles, and the elastic conductive sheet is pressed into contact with the poles. Therefore, the single battery group of this device can be used from The side of the outer frame is pulled and disassembled, and when a single battery pack is disassembled and replaced, other battery packs are still electrically connected, thereby avoiding affecting the use of the entire battery pack.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of the overall structure of the utility model;

Fig. 2 is the internal schematic diagram of the outer frame structure of the utility model;

Fig. 3 is a three-dimensional schematic diagram of the structure of the elastic conductive sheet of the present invention;

Fig. 4 is a three-dimensional schematic diagram of the single-group structure of the storage battery of the utility model;

Fig. 5 is a schematic side sectional view of the structure at A-A in the installation groove of the utility model.

In the figure: 1. Outer frame; 2. Installation groove; 3. Battery single group; 4. Positioning groove; 5. Sealing plate; 6. Gasket; 7. Positioning block; 8. Knob; 9. Guide groove; 10. Limiting plate; 11, pressure plate; 12, stud; 13, thrust spring; 14, conductive plate; 15, terminal post; 16, elastic conductive sheet; 17, pole; 18, folding handle.

Detailed ways

In order to clearly and completely describe the purpose, technical solution, and advantages of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present invention, rather than all embodiments, and are only used to explain the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. All other embodiments obtained under the premise of creative work all belong to the protection scope of the present invention.

Please refer to Fig. 1-Fig. 5, the utility model provides a kind of technical scheme:

Embodiment one

A parallel-connected storage battery that can be replaced by a single set includes: an outer frame 1 , a conductive plate 14 and a positioning block 7 .

Specifically, on one side of the outer frame 1, there are a plurality of installation slots 2 distributed at equal intervals. The end surfaces are all set in a three-step ladder type. As shown in Figure 2, after the battery pack 3 is horizontally inserted into the inner cavity of the installation groove 2, the step in the middle of the upper inner wall of the installation groove 2 and the middle step of the upper end face of the battery pack 3 are connected to each other. fit, and there is a certain gap between the rest of the steps. The middle part of the upper end surface of the battery single group 3 is provided with a positioning groove 4, and the two ends of the upper end surface of the battery single group 3 are fixedly connected with poles 17, and the poles 17 The upper surface is pasted with an elastic conductive sheet 16. The gap between the inner wall of the upper end of the installation groove 2 and the step on the upper end surface of the battery unit 3 is used to place the elastic conductive sheet 16 and the pole 17. The elastic conductive sheet 16 is bent by an elastic metal sheet. Folded, the elastic conductive sheet 16 can be elastically deformed after being squeezed by the pole 17, and is always in contact with the pole 17;

Secondly, there are two conductive plates 14, and the two conductive plates 14 are respectively embedded on both sides of the outer frame 1, and a plurality of elastic conductive plates 16 are respectively fixedly connected to the two conductive plates 14, and the ends of the two conductive plates 14 are Fixedly connected with a terminal 15, the upper end of the terminal 15 extends to the top of the outer frame 1, the two terminals 15 are respectively used as the positive and negative poles of the entire storage battery, and the two conductive plates 14 respectively connect the positive poles of multiple battery single groups 3 And the negative poles of multiple battery single groups 3 are electrically connected together, so as to realize the parallel connection of multiple battery single groups 3;

Further, the positioning block 7 is movably inserted in the middle of the upper end inner wall of the installation groove 2, the lower end of the positioning block 7 is plugged into the inner cavity of the positioning groove 4, and the positioning block 7 is inserted into the inner cavity of the positioning groove 4 for aligning the battery pack 3 Positioning is performed to prevent the battery pack 3 from detaching from the inner cavity of the installation slot 2 .

Embodiment two

On the basis of Embodiment 1, in order to prevent dust and water from entering the inner cavity of the installation groove 2, the application also has a sealing plate 5 fixedly connected to one end face of the battery unit 3, and the sealing plate 5 covers the opening of the installation groove 2 The surface of the sealing plate 5 is bonded with a sealing gasket 6. The sealing plate 5 is used to protect the battery unit 3. The sealing plate 5 cooperates with the sealing gasket 6 to seal the opening end of the installation groove 2 to avoid installation. The inner cavity of the groove 2 is fed with ash and water.

Embodiment three

On the basis of Embodiment 2, in order to prevent the positioning block 7 from falling, the application also has a plurality of guide grooves 9 distributed at equal intervals inside the upper end of the outer frame 1, and the plurality of guide grooves 9 are respectively located in a plurality of battery cells. Right above the middle part of group 3, the inner cavity of guide groove 9 is slidably installed with limit plate 10, and a plurality of limit plates 10 are respectively fixedly connected with the upper ends of a plurality of positioning blocks 7, and limit plate 10 can be positioned in the inner cavity of guide groove 9. Slide up and down vertically, but the limit plate 10 will not be separated from the inner cavity of the guide groove 9, so the positioning block 7 can move up and down, but the positioning block 7 will not fall, and the positioning block 7 can be retracted into the guide when moving upwards. The lumen of the groove 9, to ensure separation from the positioning groove 4.

Embodiment four

On the basis of Embodiment 3, in order to push the positioning block 7 to move downward, the application also has a pressing plate 11 attached to the upper surface of the limiting plate 10, and the upper surface of the pressing plate 11 is fixedly connected with a stud 12, and the stud 12 The upper end inner wall of the guide groove 9 is penetrated through the thread activity, and the upper end of the stud 12 is fixedly connected with the knob 8. When the knob 8 is turned, the stud 12 can drive the pressure plate 11 to move downward through the thread, and the pressure plate 11 squeezes the limit plate 10 to squeeze The pressure drives the positioning block 7 and the limiting plate 10 to move downward, so as to ensure that the positioning block 7 is inserted into the inner cavity of the positioning groove 4 to position the battery pack 3 .

Embodiment five

On the basis of Embodiment 4, in order to ensure that the positioning block 7 can be automatically retracted into the inner cavity of the guide groove 9, the application also has thrust springs 13 arranged on both sides of the inner cavity of the guide groove 9, and the upper and lower sides of the thrust spring 13 The ends fit the lower surface of the limit plate 10 and the inner wall of the lower end of the guide groove 9 respectively, and the thrust spring 13 provides the thrust. The bottom can automatically move up and place the positioning block 7 into the inner cavity of the guide groove 9.

Embodiment six

On the basis of Embodiment 5, in order to facilitate the pulling and pulling of the battery pack 3, the present application also has a "匚"-shaped groove on the front of the sealing plate 5, and a folding handle 18 is installed in the groove for rotation. The setting of the handle 18 is convenient for pulling and pulling the battery pack 3, and the folding handle 18 is a mature structure in the prior art, so it will not be repeated here.

This scheme is specifically: turn the knob 8 to drive the stud 12 to rotate, the stud 12 drives the pressure plate 11 to move up through the thread, at this time the limit plate 10 moves up under the thrust of the thrust spring 13, and drives the positioning block 7 to move up and receive Enter the inner cavity of the guide groove 9, after the positioning block 7 is separated from the inner cavity of the positioning groove 4, the single battery group 3 can be pulled out from the inner cavity of the installation groove 2 by pulling the folding handle 18, and the other single battery groups 3 remain the same Keeping in parallel will not affect the normal use of the entire battery;

Then insert the new battery single group 3 horizontally into the inner cavity of the installation groove 2 until the pole 17 corresponds to the elastic conductive sheet 16, and then the new battery single group 3 is connected in parallel into the entire battery, and then twist the top of the battery single group 3 At this time, the pressure plate 11 moves down to drive the limit plate 10 and the positioning block 7 to move down, until the lower end of the positioning block 7 is inserted into the inner cavity of the positioning groove 4, and the positioning of the battery pack 3 can be realized, so as to avoid The single battery pack 3 moves or even breaks away from the inner cavity of the installation slot 2 .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A parallel-connected storage battery that can be replaced by a single group, characterized in that: the parallel-connected storage battery that can be replaced by a single group includes: Outer frame (1), one side of the outer frame (1) is provided with a plurality of installation grooves (2) distributed at equal intervals, and the inner cavity of the installation groove (2) is horizontally inserted with a single battery pack (3 ), the inner wall of the upper end of the installation groove (2) and the upper end surface of the single battery group (3) are all set in a three-step ladder type, and the middle part of the upper end surface of the single battery group (3) is provided with a positioning groove (4) , both ends of the upper end surface of the battery single group (3) are fixedly connected with a pole (17), and the upper surface of the pole (17) is pasted with an elastic conductive sheet (16); Conductive plate (14), described conductive plate (14) is provided with two, and two described conductive plates (14) are respectively embedded in the both sides of outer frame (1), and a plurality of described elastic conductive plates (16) respectively It is fixedly connected with two conductive plates (14), and the ends of the two conductive plates (14) are all fixedly connected with terminal posts (15), and the upper ends of the terminal posts (15) extend to the outer frame (1) above; and A positioning block (7), the positioning block (7) is movably inserted in the middle part of the upper end inner wall of the installation groove (2), and the lower end of the positioning block (7) is inserted into the inner cavity of the positioning groove (4). 2. A parallel-connected storage battery that can be replaced by a single set according to claim 1, characterized in that: a sealing plate (5) is fixedly connected to one end of the single battery set (3), and the sealing plate (5) ) covering the opening end of the mounting groove (2), and a gasket (6) is bonded to the surface of the sealing plate (5). 3. A parallel-connected storage battery that can be replaced by a single set according to claim 2, characterized in that: the upper end of the outer frame (1) is provided with a plurality of guide grooves (9) distributed at equal intervals, and more The two guide grooves (9) are respectively located directly above the middle parts of the plurality of battery single groups (3). 4. A parallel-connected storage battery that can be replaced by a single set according to claim 3, characterized in that: the inner cavity of the guide groove (9) is slidably installed with a limiting plate (10), and a plurality of the limiting plates (10) are respectively fixedly connected with the upper ends of a plurality of positioning blocks (7). 5. A parallel-connected storage battery that can be replaced by a single set according to claim 4, characterized in that: the upper surface of the limiting plate (10) is attached with a pressing plate (11), and the pressing plate (11) A stud (12) is fixedly connected to the upper surface, and the stud (12) runs through the inner wall of the upper end of the guide groove (9) through threads, and a knob (8) is fixedly connected to the upper end of the stud (12). 6. A single-group replaceable parallel storage battery according to claim 5, characterized in that: both sides of the inner cavity of the guide groove (9) are provided with thrust springs (13), and the thrust springs ( The upper and lower ends of 13) are attached to the lower surface of the limiting plate (10) and the inner wall of the lower end of the guide groove (9) respectively. 7. A parallel-connected storage battery that can be replaced by a single set according to claim 6, characterized in that: the front of the sealing plate (5) is provided with a "匚"-shaped groove, and the groove is rotatably installed There are folding handles (18).

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