Pack battery pack module series connection mistake-proof baffle plate

Abstract

The utility model discloses a pack battery pack module series connection mistake-proof baffle plate, which belongs to the technical field of battery pack module series connection, and comprises a battery pack shell, the upper end of the battery pack shell is provided with a battery mounting bin for mounting battery main bodies, and the positive poles and the negative poles of every two battery main bodies are oppositely mounted. A positioning connecting plate is mounted at the upper end of the battery pack shell, a plurality of positioning grooves are formed in the positioning connecting plate, and the plurality of battery main bodies can be connected in series by sequentially inserting the inserting blocks at the bottoms of the arranged conductive connecting sheets into the conductive mounting grooves and connecting the positive electrodes and the negative electrodes on the two adjacent battery main bodies; a plurality of battery main bodies can be quickly and accurately connected in series through the matched positioning grooves, misconnection is prevented, the battery main bodies can be protected by the positioning connecting plates, and an operator can be prevented from getting an electric shock through the positioning connecting plates made of an insulating material when the battery main bodies leak electricity.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery pack module series connection, and specifically relates to a pack battery pack module series connection error prevention baffle. Background Art

[0002] The Pack battery pack is composed of many modules connected in series. When connected in series, the positive of the first module in the Pack battery pack is generally defined as the total positive. Then the negative of the first module is connected to the positive of the second module, and the negative of the second module is connected to the positive of the third module, and so on. The negative of the last module is the total negative, and the series is connected in this way.

[0003] At present, in the actual series connection process of modules, due to similar structural design and similar installation parts, incorrect connection methods of positive and negative poles often occur, forming a loop and causing module short-circuit accidents. The more the number of series connections, the greater the safety hazards and losses. This loss is irreversible and cannot be reworked, which will ultimately affect production efficiency, increase costs and the safety of operators. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A pack battery pack module series error prevention baffle comprises a battery pack shell, a battery installation compartment for installing a battery body is arranged at the upper end of the battery pack shell, the positive pole and the negative pole of every two battery bodies are installed oppositely, a positioning connection plate is installed at the upper end of the battery pack shell, a plurality of positioning grooves are arranged on the positioning connection plate, the positive pole of the first battery body is connected to the negative pole of the second battery body from the inside of each positioning groove, the positive pole of the second battery body is connected to the negative pole of the third battery body, and the series connection is completed in sequence, and a conductive connecting piece is inserted from the positioning groove into the inside of the conductive installation groove.

[0007] Preferably, the upper end of the battery pack shell is provided with a plurality of conductive mounting grooves opposite to the positioning grooves, each conductive mounting groove has an insert block inserted therein, and the upper end of each insert block is connected to a conductive connecting piece, which connects the positive electrode of the battery body with the negative electrode of the adjacent battery body.

[0008] Preferably, the battery pack shell and the battery body are installed inside the battery installation compartment using a positioning mechanism so that the positive electrode and the negative electrode are opposite to each other on the same side of every two battery bodies.

[0009] Preferably, the positioning mechanism includes a cross-shaped positioning groove, a rectangular positioning groove, a rectangular positioning block and a cross-shaped positioning block. The inner wall of the battery installation compartment is provided with multiple groups of relative cross-shaped positioning grooves and rectangular positioning grooves, and every two groups of cross-shaped positioning grooves and rectangular positioning grooves are staggered. Rectangular positioning blocks and cross-shaped positioning blocks are provided on both sides of the battery body. The rectangular positioning block is inserted into the interior of the rectangular positioning groove, and the cross-shaped positioning block is inserted into the interior of the cross-shaped positioning groove to position the battery body.

[0010] Preferably, the rectangular positioning plug is arranged on the outer wall of the battery body close to the negative electrode, and the cross-shaped positioning plug is arranged on the outer wall of the battery body close to the positive electrode.

[0011] Preferably, a plurality of fastening bolts are rotatably connected to the positioning connecting plate, a plurality of threaded holes are provided at the upper end of the battery pack shell, and the fastening bolts are threadedly connected to the threaded holes to fix the positioning connecting plate.

[0012] Preferably, the positioning connecting plate is made of insulating material.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By setting the rectangular positioning plug and the cross positioning plug to correspond with the rectangular positioning groove and the cross positioning groove, each battery body can be positioned during installation, preventing the positive and negative poles of two adjacent battery pack shells from being opposite to each other, and preventing the battery body from being installed incorrectly and causing a short circuit in the battery body. The plug at the bottom of the conductive connecting piece is inserted into the conductive installation groove in turn and the positive and negative poles on the two adjacent battery bodies are connected, so that the series connection between multiple battery bodies can be completed. The positioning groove can be used to quickly and accurately connect multiple battery bodies in series to prevent misconnection, and the positioning connecting plate can protect the battery body. The positioning connecting plate made of insulating material can also prevent the operator from being electrocuted when the battery body leaks. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the anti-error baffle for the pack battery pack modules in series in the utility model;

[0016] Figure 2 This is a schematic diagram of the battery pack housing structure in the utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the battery in the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the conductive connecting piece in the utility model;

[0019] Figure 5It is a schematic diagram of the positioning connection plate structure in the utility model.

[0020] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0021] 100, battery pack housing; 101, cross-shaped positioning groove; 102, rectangular positioning groove; 103, battery installation compartment; 104, conductive installation groove; 105, threaded hole;

[0022] 200, battery body; 201, rectangular positioning plug; 202, cross-shaped positioning plug; 203, conductive connecting piece;

[0023] 300, positioning connecting plate; 301, positioning groove; 302, fastening bolt. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0027] like Figure 1 As shown, it is a schematic diagram of a pack battery pack module series error prevention baffle structure of a preferred embodiment of the utility model. The pack battery pack module series error prevention baffle of this embodiment includes a battery pack shell 100. A plurality of battery bodies 200 connected in series are installed inside the battery pack shell 100. A positioning connecting plate 300 is installed on the upper end of the battery pack shell 100. In this embodiment, a plurality of battery bodies 200 are installed inside and connected in series through the battery pack shell 100. The positioning connecting plate 300 can avoid misalignment and battery short circuit damage when the plurality of battery bodies 200 are connected in series.

[0028] like Figure 2 as well as Figure 3As shown, it is a schematic diagram of the battery pack shell and the battery main body structure in this embodiment. The upper end of the battery pack shell 100 is provided with a battery installation compartment 103 for installing the battery main body 200. The inner sides of the battery main body 200 are provided with multiple groups of opposite rectangular positioning grooves 102 and cross-shaped positioning grooves 101. Each adjacent group of rectangular positioning grooves 102 and cross-shaped positioning grooves 101 are staggered, and one group of rectangular positioning grooves 102 is adjacent to another group of cross-shaped positioning grooves 101 and is arranged in sequence. The outer wall of the battery main body 200 close to the positive electrode is detachably connected with a cross-shaped positioning plug 202, and the outer wall of the battery main body 200 close to the negative electrode is detachably connected with a rectangular The positioning plug 201 and the battery body 200 are installed inside the battery installation compartment 103. The rectangular positioning plug 201 is inserted into the rectangular positioning groove 102, and the cross-shaped positioning plug 202 is inserted into the cross-shaped positioning groove 101 and installed in sequence. In this embodiment, by setting a plurality of groups of cross-shaped positioning grooves 101 and rectangular positioning grooves 102, when the battery body 200 is installed, the positive electrode of the first battery body 200 can be connected to the negative electrode of the second battery body 200, and the positive electrode of the second battery body 200 can be connected to the negative electrode of the third battery body 200, and so on to complete the series connection, thereby preventing a short circuit caused by an error when installing the battery body 200.

[0029] It is worth noting that the above-mentioned positioning mechanism includes but is not limited to a cross-shaped positioning groove 101, a rectangular positioning groove 102, a rectangular positioning block 201 and a cross-shaped positioning block 202. Any mechanism that can enable the positive pole of the adjacent battery body 200 on one side to be installed adjacent to the negative pole of the battery body 200 on the other side in sequence can be applied to the present embodiment.

[0030] like Figure 2 as well as Figure 4 As shown, it is a schematic diagram of the battery pack shell and the conductive connecting piece structure in this embodiment. A plurality of conductive mounting grooves 104 are provided on both sides of the upper end of the battery pack shell 100 according to the connection between the positive and negative electrodes. A plug-in block is inserted into the interior of each conductive mounting groove 104. A conductive connecting piece 203 is fixedly connected to the upper end of each plug-in block. The conductive connecting piece 203 is connected to the positive and negative electrodes of two adjacent battery pack shells 100. In this embodiment, the plug-in block is inserted into the interior of the conductive mounting groove 104 by plugging, and the positive electrode of the first battery body 200 is connected to the negative electrode of the second battery body 200 through the conductive connecting piece 203, and the positive electrode of the second battery body 200 is connected to the negative electrode of the third battery body 200, and so on. The series connection is completed, so that the series connection between the battery bodies 200 can be quickly realized, and the position of the conductive mounting groove 104 can also be set to prevent misconnection.

[0031] like Figure 2 as well as Figure 5As shown, it is a schematic diagram of the battery pack shell and the positioning connecting plate structure in this embodiment. A plurality of threaded holes 105 are provided at the upper end of the battery pack shell 100. A plurality of fastening bolts 302 are rotatably connected to the positioning connecting plate 300. Each fastening bolt 302 is threadedly connected to each threaded hole 105. A plurality of positioning grooves 301 opposite to the conductive mounting groove 104 are provided on the positioning connecting plate 300. In this embodiment, the provision of a plurality of positioning grooves 301 enables the conductive connecting sheet 203 to be inserted into the conductive mounting groove 104 more quickly, and the insertion of the conductive connecting sheet 203 is positioned. In addition, the battery body 200 below can be protected to prevent external forces from hitting the battery body 200 during use.

[0032] The positioning connecting plate 300 is made of insulating material, which can prevent the operator from getting an electric shock when the battery body 200 leaks electricity.

[0033] To summarize, the specific use of this embodiment is as follows: when in use, first insert each battery body 200 into the interior of the battery mounting compartment 103, and position each battery body 200 during installation by means of the rectangular positioning plug 201 and the cross-shaped positioning plug 202 provided on the outer wall of the battery body 200 corresponding to the rectangular positioning groove 102 and the cross-shaped positioning groove 101 to prevent the positive and negative poles of two adjacent battery pack shells 100 from being opposite to each other, and then install the positioning connecting plate 300 on the upper end of the battery pack shell 100 by connecting the fastening bolts 302 with the threaded holes 105. During installation, pay attention to the fact that each positioning groove 301 is opposite to each conductive mounting groove 104. After installation, insert the plugs at the bottom of the conductive connecting sheet 203 into the interior of the conductive mounting groove 104 in turn and connect the positive and negative poles on the two adjacent battery bodies 200 to complete the series connection between multiple battery bodies 200.

[0034] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A pack battery module series error prevention baffle, comprising a battery pack housing (100), wherein the upper end of the battery pack housing (100) is provided with a battery installation compartment (103) for installing a battery body (200), wherein the positive and negative electrodes of every two battery bodies (200) are installed oppositely, and wherein: A positioning connection plate (300) is installed at the upper end of the battery pack housing (100), and a plurality of positioning grooves (301) are provided on the positioning connection plate (300). From the inside of each positioning groove (301), the positive electrode of the first battery body (200) is connected to the negative electrode of the second battery body (200), and the positive electrode of the second battery body (200) is connected to the negative electrode of the third battery body (200), and the series connection is completed in sequence. The conductive connecting sheet (203) is inserted from the positioning groove (301) into the inside of the conductive installation groove (104).

2. The pack battery module series error prevention baffle according to claim 1, characterized in that: The upper end of the battery pack housing (100) is provided with a plurality of conductive mounting grooves (104) opposite to the positioning grooves (301), an insert block is inserted into the interior of each conductive mounting groove (104), and the upper end of each insert block is connected to a conductive connecting piece (203), and the conductive connecting piece (203) connects the positive electrode of the battery body (200) to the negative electrode of the adjacent battery body (200).

3. The pack battery module series error prevention baffle according to claim 2, characterized in that: The battery pack housing (100) and the battery main body (200) are installed inside the battery installation chamber (103) using a positioning mechanism, so that the positive electrode and the negative electrode are opposite to each other on the same side of every two battery main bodies (200).

4. The pack battery module series error prevention baffle according to claim 3, characterized in that: The positioning mechanism comprises a cross-shaped positioning groove (101), a rectangular positioning groove (102), a rectangular positioning plug (201) and a cross-shaped positioning plug (202); the inner wall of the battery installation chamber (103) is provided with a plurality of groups of opposite cross-shaped positioning grooves (101) and rectangular positioning grooves (102); every two groups of cross-shaped positioning grooves (101) and rectangular positioning grooves (102) are staggered; rectangular positioning plugs (201) and cross-shaped positioning plugs (202) are provided on both sides of the battery body (200); the rectangular positioning plug (201) is inserted into the interior of the rectangular positioning groove (102), and the cross-shaped positioning plug (202) is inserted into the interior of the cross-shaped positioning groove (101), so as to position the battery body (200).

5. The pack battery module series error prevention baffle according to claim 4, characterized in that: The rectangular positioning plug block (201) is arranged on the outer wall of the battery body (200) close to the negative electrode, and the cross-shaped positioning plug block (202) is arranged on the outer wall of the battery body (200) close to the positive electrode.

6. The pack battery module series error prevention baffle according to claim 5, characterized in that: A plurality of fastening bolts (302) are rotatably connected to the positioning connection plate (300), a plurality of threaded holes (105) are provided at the upper end of the battery pack housing (100), and the fastening bolts (302) are threadedly connected to the threaded holes (105) to fix the positioning connection plate (300).

7. The pack battery module series error prevention baffle according to claim 6, characterized in that: The positioning connection plate (300) is made of insulating material.

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