CN219295212U - Voltage balance switching device for power battery - Google Patents

Abstract

The utility model relates to the technical field of power batteries, in particular to a power battery voltage balancing switching device which comprises a movable box, wherein four first placing grooves are formed in the middle of the upper end of the movable box, two second placing grooves are formed in the left part of the upper end of the movable box and the right part of the upper end of the movable box, and balancing switches are respectively connected in the four first placing grooves in a clamping mode. According to the power battery voltage balancing switching device, the 13 fixed channel female plugs are arranged on the balancing switching device, after typesetting by the circuit board, 16-pin rectangular male plugs required by power battery cell acquisition lines are formed, the inside of the precise control balancing instrument is changed from AC to DC, the precise control balancing instrument is intelligently adjusted to voltage required to be balanced by supplementing electricity, the voltage is connected to the input end of the power battery voltage balancing switching device through the 13 fixed channel balancing lines, the voltage acquisition line at the BMS end is connected to the output end, and the power battery cells are balanced by supplementing electricity through the acquisition lines.

Description

Voltage balance switching device for power battery

Technical Field

The utility model relates to the technical field of power batteries, in particular to a power battery voltage equalization switching device.

Background

The power battery of the new energy automobile, a vehicle with long-time stagnation or an overdischarge vehicle can cause unbalanced voltage of a battery cell and reduce the capacity of storing electricity. The battery cell is not only a lithium iron phosphate battery but also a three-element lithium iron battery, and the situation of self discharge is more or less generated, so that the vehicle is short in endurance and low in voltage differential, the problem can be solved in a power supplementing mode, and the existing new energy power battery is powered and maintained in a mode of lifting each module in the power battery to a workbench and then splitting each module into each single to supplement power.

Disclosure of Invention

The utility model mainly aims to provide a power battery voltage equalization switching device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a balanced switching device of power battery voltage, includes removes the case, it has four standing grooves to open in the middle part of the removal case upper end, it has two standing grooves to remove case upper end left portion and upper end right part all to open, four equal block is connected with balanced adapter in the standing groove No. one, four all be provided with the balanced instrument of accurate accuse in the standing groove No. two, it has the collection line to remove case left end upper portion front side and left end upper portion rear side and right-hand member upper portion front side and right-hand member upper portion rear side all interlude, it all fixedly connected with spacing knot to remove case left end lower part front side and left end lower part rear side and right-hand member lower part rear side, remove case lower part and right end middle lower part equal fixedly connected with fixed block in the left end, two the one end equal fixedly connected with stop gear of removal case is kept away from to the fixed block, remove case rear end upper portion fixedly connected with pushing handle, it has the case lid to remove case upper end, it has the universal wheel all to connect with the universal joint.

Preferably, the movable groove is all opened to four standing groove front groove wall and back cell wall, a plurality of the equal fixedly connected with of movable groove inslot wall a plurality of spring, a plurality of the spring is kept away from the equal fixedly connected with grip block jointly of the one end of movable groove inslot wall.

Preferably, the four precise control equalization instruments are respectively located at the outer sides of the four equalization adapters, the four acquisition lines are respectively electrically connected with the four precise control equalization instruments, and the four acquisition lines are respectively clamped and connected with the four limit buckles.

Preferably, the outer surfaces of the clamping plates are movably connected with the inner walls of the movable grooves respectively, and the two clamping plates in the first holding groove are tightly attached to the equalization adapter.

Preferably, the limit mechanism comprises a fixed cylinder, a movable cavity is formed in the fixed cylinder, a screw is inserted in the middle of the lower end of the fixed cylinder, the upper end of the screw is fixedly connected with a limit block, the lower end of the screw is fixedly connected with a handle, and the lower end of the handle is fixedly connected with a heel brace.

Preferably, the outer surface of the fixed cylinder is fixedly connected with the fixed block, and the outer surface of the limiting block is movably connected with the inner wall of the movable cavity groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. the equalization adapter is placed in a first placing groove, the equalization adapter is clamped, limited and fixed under the action force of a spring through two clamping plates, a 13 fixed channel female plug is arranged on the equalization adapter, after typesetting through a circuit board, a 16-pin rectangular male plug required by a power battery cell acquisition line is formed, the inside of the precise control equalization instrument is converted from AC to DC, voltage required by electricity compensation equalization is intelligently regulated, the precise control equalization instrument is connected to the input end of the power battery voltage equalization adapter through the 13 fixed channel equalization line, the voltage acquisition line of the BMS end is connected to the output end, and electricity compensation equalization is carried out on each power battery cell through the acquisition line;

2. through setting up stop gear, when moving near the new energy automobile, ground probably can be less level and smooth, through holding the handle and rotatory, make the heel brace contact with ground, can improve the stability of movable box in power battery voltage switching in-process.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a power battery voltage equalization switching device according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a mobile box of the power battery voltage equalization switching device of the present utility model;

FIG. 3 is a schematic diagram of the internal structure of a first placement tank of the power battery voltage equalization switching device of the present utility model;

fig. 4 is a schematic diagram of the whole structure of a limiting mechanism of the power battery voltage equalization switching device.

In the figure: 1. a moving case; 2. a first placing groove; 3. a second placing groove; 4. a equalization adapter; 5. a precision control equalization instrument; 6. a collection line; 7. a limit button; 8. a fixed block; 9. a limiting mechanism; 10. a pushing handle; 11. a case cover; 12. a universal wheel; 13. a movable groove; 14. a spring; 15. a clamping plate; 16. a fixed cylinder; 17. a movable cavity; 18. a screw; 19. a limiting block; 20. a grip; 21. and (5) a foot support.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a balanced switching device of power battery voltage, including removing case 1, it has four standing grooves 2 to open in the middle part of removing case 1 upper end, it has two standing grooves 3 to remove case 1 upper end left portion and upper end right part all to open, equal block is connected with balanced adapter 4 in four standing grooves 2, all be provided with the balanced instrument 5 of accurate accuse in four standing grooves 3, it has collection line 6 all to alternate in removal case 1 left end upper portion front side and left end upper portion rear side and right-hand member upper portion front side and right-hand member upper portion rear side, remove case 1 left end lower part front side and left end lower part rear side and right-hand member lower part front side and right-hand member lower part rear side all fixedly connected with spacing knot 7, remove case 1 left end middle lower part and right-hand member middle lower part all fixedly connected with fixed block 8, the one end that removes case 1 was kept away from to two fixed blocks 8 is all fixedly connected with stop gear 9, remove case 1 rear end upper portion fixedly connected with pushing handle 10, remove case 1 upper end is provided with case lid 11, remove case 1 upper end 1 and all fixedly connected with universal wheel 12.

In this embodiment, slot wall and back cell wall all open and have movable groove 13 before the standing groove 2 of four, the equal fixedly connected with of a plurality of movable groove 13 inslot wall is a plurality of spring 14, a plurality of spring 14 is kept away from the equal fixedly connected with grip block 15 jointly of the one end of movable groove 13 inslot wall, four accurate accuse equalizer instrument 5 are located four balanced adapter 4 outsides respectively, four collection line 6 respectively with four accurate accuse equalizer instrument 5 electric connection, four collection line 6 respectively with four spacing knot 7 block connection, a plurality of grip block 15 surface respectively with a plurality of movable groove 13 inslot wall swing joint, two grip blocks 15 in the standing groove 2 of four are all closely laminated with balanced adapter 4.

In this embodiment, stop gear 9 includes fixed section of thick bamboo 16, and fixed section of thick bamboo 16 is inside to be opened there is movable chamber 17, and fixed section of thick bamboo 16 lower extreme middle part interlude threaded connection has screw rod 18, and screw rod 18 upper end fixedly connected with stopper 19, screw rod 18 lower extreme fixedly connected with handle 20, handle 20 conveniently rotate screw rod 18, handle 20 lower extreme fixedly connected with heel brace 21, heel brace 21 closely laminates with ground, makes movable box 1 carry out spacing fixedly, fixed section of thick bamboo 16 surface and fixed block 8 fixed connection, stopper 19 surface and movable chamber 17 inslot wall swing joint.

It should be noted that, in the use process, the equalization adapter 4 is placed in the first placing groove 2, the equalization adapter 4 is clamped and limited and fixed under the acting force of the springs 14 through the two clamping plates 15, the equalization adapter 4 is provided with the 13 fixed-channel female plug, after typesetting through the circuit board, the 16-pin rectangular male plug required by the power battery single-cell acquisition line is formed, the inside of the fine control equalization instrument 5 is converted from AC to DC, the voltage required by power supply equalization is intelligently adjusted, the voltage acquisition line at the BMS end is connected to the output end through the 13 fixed-channel equalization line, then the whole device is moved to the vicinity of the new energy automobile, the ground near the new energy automobile is possibly uneven, the foot support 21 is contacted with the ground through holding the grip 20 and rotating, the stability of the mobile box 1 in the power battery single-cell voltage conversion process can be improved, and then each power battery single-cell equalization is supplied through the acquisition line 6.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a power battery voltage balance switching device, includes removal case (1), its characterized in that: four first placing grooves (2) are formed in the middle of the upper end of the movable box (1), two second placing grooves (3) are formed in the left part of the upper end of the movable box (1) and the right part of the upper end of the movable box, equalization adapters (4) are connected in the first placing grooves (2) in a clamping mode, fine control equalization instruments (5) are arranged in the second placing grooves (3), acquisition wires (6) are connected to the front side of the upper part of the left end of the movable box (1) and the rear side of the front side of the upper part of the left end of the movable box and the rear side of the upper part of the right end of the movable box, limit buckles (7) are fixedly connected to the front side of the lower part of the left end of the movable box (1) and the rear side of the lower part of the right end of the movable box, fixing blocks (8) are fixedly connected to fixing blocks (8) far away from one end of the movable box (1), a four-corner pushing mechanism (9) is fixedly connected to the movable box (1), and a box cover (11) is fixedly connected to the rear side of the movable box (1);

the four front groove walls and the rear groove walls of the first placing groove (2) are respectively provided with a movable groove (13), a plurality of springs (14) are fixedly connected to the inner walls of the movable grooves (13), and clamping plates (15) are fixedly connected to one ends, far away from the inner walls of the movable grooves (13), of the springs (14).

2. The power cell voltage equalization switching device of claim 1, wherein: four accurate control equalization instrument (5) are located four equalization adapter (4) outsides respectively, four collection line (6) respectively with four accurate control equalization instrument (5) electric connection, four collection line (6) respectively with four spacing knot (7) block connection.

3. The power cell voltage equalization switching device of claim 1, wherein: the outer surfaces of the clamping plates (15) are respectively movably connected with the inner walls of the movable grooves (13), and the two clamping plates (15) in the first holding groove (2) are tightly attached to the equalization adapter (4).

4. The power cell voltage equalization switching device of claim 1, wherein: the limiting mechanism (9) comprises a fixed cylinder (16), a movable cavity (17) is formed in the fixed cylinder (16), a screw (18) is inserted in the middle of the lower end of the fixed cylinder (16), a limiting block (19) is fixedly connected to the upper end of the screw (18), a grip (20) is fixedly connected to the lower end of the screw (18), and a heel brace (21) is fixedly connected to the lower end of the grip (20).

5. The power cell voltage equalization switching device of claim 4, wherein: the outer surface of the fixed cylinder (16) is fixedly connected with the fixed block (8), and the outer surface of the limiting block (19) is movably connected with the inner wall of the movable cavity (17).

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