Starting power supply and electric equipment

Abstract

The utility model provides a starting power supply and electric equipment, the starting power supply comprises a shell, the shell is provided with a first part and a second part, the surface of the shell comprises a first surface arranged on the first part and a second surface arranged on the second part, and in a first direction, the second surface is lower than the first surface; the battery cell module and the battery management module are arranged in the first part, the binding post is arranged on the second surface, and the binding post is a positive binding post or a negative binding post; the total positive power wire harness is connected with the positive binding post and the total positive electrode of the battery cell module; the total negative power wire harness is connected with the negative binding post and the output end of the total negative high-voltage connector; and the low-voltage acquisition wire harness is connected with the low-voltage acquisition end and the battery cell module. According to the starting power supply, the shell, the battery cell module, the battery management module, the binding post and the connecting circuit are combined, so that the layout and the length of the connecting circuit can be simplified, and the convenience of maintenance, assembly and disassembly can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and more specifically, to a starting power supply and an electrical equipment. Background Art

[0002] Existing electrical equipment often needs to use a starting power supply. For example, an automotive emergency starting power supply can be used as a portable mobile power supply, etc. Existing starting power supplies include a housing, a battery cell module, a battery management module, a connection wire harness, etc. The battery cell module, the battery management module, the connection wire harness, etc. are located in the same accommodation cavity, which easily causes the connection wire harness inside the housing to be entangled, and the layout of the connection wire harness is relatively complex. Summary of the Utility Model

[0003] An object of the utility model is to provide a new technical solution for a starting power supply, which can solve the technical problem of the relatively complex layout of the connection wire harness in the prior art.

[0004] According to a first aspect of the utility model, there is provided a starting power supply, comprising: a housing having a first part and a second part, the surface of the housing including a first surface provided on the first part and a second surface provided on the second part, in a first direction, the second surface is lower than the first surface, and in a second direction, the first part and the second part are arranged in sequence; a battery cell module group and a battery management module group, the battery cell module group and the battery management module group are provided in the first part, the battery cell module group includes a plurality of battery cells, the battery management module has a circuit board, a total negative high-voltage connector input terminal, a total negative high-voltage connector output terminal, and a low-voltage acquisition terminal, the total negative high-voltage connector output terminal is connected to the total negative high-voltage connector input terminal, and the total negative high-voltage connector input terminal, the total negative high-voltage connector output terminal, and the low-voltage acquisition terminal are provided on the circuit board; a terminal post provided on the second surface, the terminal post being a positive terminal post or a negative terminal post; a total positive power wire harness connecting the positive terminal post and the total positive pole of the battery cell module group; a total negative power wire harness connecting the negative terminal post and the total negative high-voltage connector output terminal; and a low-voltage acquisition wire harness connecting the low-voltage acquisition terminal and the battery cell module group.

[0005] Optionally, the starting power supply further comprises: a connecting piece connecting the terminals of a plurality of battery cells, the connecting piece being a total positive connecting piece or a total negative connecting piece, wherein the total positive connecting piece is connected to the total positive power wire harness, and the total negative connecting piece is connected to the total negative high-voltage connector input terminal.

[0006] Optionally, the battery management module further includes a heating control module, and the starting power supply further includes a heating module. The heating module includes a heating wire and a heating connection harness, and the heating connection harness connects the heating wire and the heating control module.

[0007] Optionally, the starting power supply further includes a limiting plate. The limiting plate is located on at least one side of the inner wall of the first part close to the battery cell module. The limiting plate has a plurality of mounting grooves, each mounting groove corresponding to one battery cell. The radial dimension of the mounting groove is not less than the radial dimension of the battery cell, so that one end of the battery cell with a terminal extends into the mounting groove. The outer edge of the limiting plate has a wiring groove extending in the thickness direction of the limiting plate, and the wiring end of the heating connection harness can be plugged into the wiring groove.

[0008] Optionally, the housing includes an outer shell and a cover body. A receiving space with a first opening is defined inside the outer shell, and at least a part of the cover body is arranged at the first opening. The receiving space is used to receive the battery cell module and the battery management module, and a part of the outer shell or a part of the cover body serves as the second part.

[0009] Optionally, the starting power supply further includes a mounting plate. The mounting plate is arranged in the receiving space. The mounting plate divides the receiving space into a first receiving cavity and a second receiving cavity in the first direction. The first opening communicates with the second receiving cavity. The first receiving cavity is used to receive the battery cell module, and the second receiving cavity is used to receive the battery management module. The battery management module is mounted on the mounting plate.

[0010] Optionally, in the first direction, the battery management module and the second surface are located on the same side of the mounting plate.

[0011] Optionally, the first part and the second part are distributed in a second direction, and the second direction has an included angle with the first direction. In the second direction, the mounting plate divides the receiving space into the first receiving cavity and a third receiving cavity. The third receiving cavity is used to receive a part of the total positive power harness and the total negative power harness.

[0012] Optionally, the starting power supply further includes a fixing member. The fixing member has a fixing channel, and the total negative power harness and the low-voltage acquisition harness pass through the fixing channel.

[0013] According to a second aspect of the present invention, there is provided an electrical equipment including the starting power supply as described in any one of the above.

[0014] The starting power supply of the embodiment of the present application combines a housing, a battery cell module, a battery management module, a terminal and a connection line, which is beneficial to simplify the layout and length of the connection line and improve the convenience of maintenance, installation and disassembly.

[0015] Other features and advantages of the present utility model will become clear from the following detailed description of the exemplary embodiments of the present utility model with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings incorporated in and forming a part of this specification illustrate embodiments of the present utility model and, together with the description, serve to explain the principles of the present utility model.

[0017] Figure 1 is a schematic structural diagram of a starting power supply according to an embodiment of the present utility model;

[0018] Figure 2 is a partial sectional view of a starting power supply according to an embodiment of the present utility model;

[0019] Figure 3 is a partial schematic structural diagram of a starting power supply according to an embodiment of the present utility model;

[0020] Figure 4 is a partial exploded schematic diagram of a starting power supply according to an embodiment of the present utility model;

[0021] Figure 5 is a partial schematic structural diagram of a starting power supply according to an embodiment of the present utility model;

[0022] Figure 6 is a partial schematic structural diagram of a starting power supply according to an embodiment of the present utility model;

[0023] Figure 7 is a partial schematic structural diagram of a starting power supply according to an embodiment of the present utility model;

[0024] Figure 8 is a partial sectional view of a starting power supply according to an embodiment of the present utility model;

[0025] Figure 9 is a partial sectional view of a starting power supply according to an embodiment of the present utility model;

[0026] Figure 10 is a partial schematic structural diagram of a starting power supply according to an embodiment of the present utility model;

[0027] Figure 11 is a schematic structural diagram of a mounting plate of a starting power supply according to an embodiment of the present utility model;

[0028] Figure 12 Schematic structural diagram of the substrate of the starting power supply according to an embodiment of the present utility model;

[0029] Figure 13 Schematic structural diagram of the limiting plate of the starting power supply according to an embodiment of the present utility model;

[0030] Figure 14 Schematic structural diagram of the limiting plate of the starting power supply according to an embodiment of the present utility model;

[0031] Figure 15 Schematic structural diagram of the battery cell module of the starting power supply according to an embodiment of the present utility model.

[0032] Reference numerals:

[0033] Starting power supply 1;

[0034] Housing 10;

[0035] First part 11; First surface 111;

[0036] Second part 12; Second surface 121;

[0037] Outer shell 13; First opening 131; Second opening 132; First wall surface 133; Second wall surface 134; Third wall surface 135;

[0038] Cover body 14; First cover part 141; Second cover part 142;

[0039] Receiving space 15; First accommodation cavity 151; Second accommodation cavity 152; Third accommodation cavity 153;

[0040] First connection column 161; Second connection column 162; Fixed plate 163;

[0041] Battery system 2;

[0042] Battery cell module 21; Battery cell 211; Terminal 2111; Connection piece 212; Total positive connection piece 2121; Total negative connection piece 2122; Through hole 2123;

[0043] Battery management module 22;

[0044] Circuit board 221; Limiting protrusion 2211; Limiting groove 2212; First edge 2213; Second edge 2214; Third edge 2215; High-voltage connection post 2216;

[0045] Total negative high-voltage connector input end 222; Total negative high-voltage connector output end 223; Low-voltage acquisition end 224;

[0046] Mounting plate 23; First plate body 231; Second plate body 232;

[0047] Limiting plate 24; mounting groove 241; wiring groove 242; limiting block 243; limiting portion 244;

[0048] Heat dissipation module 25; first heat dissipation portion 251; heat dissipation protrusion 252; second heat dissipation portion 253; avoidance groove 2531;

[0049] Heating module 26; substrate 261; limiting member 2611; heating wire 262; heating channel 263; heating connection harness 264;

[0050] Terminal 3; positive terminal 31; negative terminal 32;

[0051] Connection line 4; total positive power harness 41; total negative power harness 42; low-voltage acquisition harness 43;

[0052] Fixing member 5. Detailed implementation manners

[0053] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: Unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and values set forth in these embodiments do not limit the scope of the present invention.

[0054] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way a limitation on the present invention or its application or use.

[0055] Technologies, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said technologies, methods and devices should be regarded as part of the specification.

[0056] In all examples shown and discussed herein, any specific values should be construed as merely exemplary and not as a limitation. Thus, other examples of the exemplary embodiments may have different values.

[0057] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings, and thus, once an item is defined in one drawing, further discussion thereof in subsequent drawings is not necessary.

[0058] The starting power supply 1 according to an embodiment of the present invention will be specifically described below with reference to the accompanying drawings.

[0059] As Figures 1 to 15 shown, the starting power supply 1 according to an embodiment of the present application includes: a housing 10, a battery cell module 21, a battery management module 22, a terminal 3, a total positive power harness 41, a total negative power harness 42, and a low-voltage acquisition harness 43.

[0060] Specifically, the housing 10 has a first part 11 and a second part 12. The surface of the housing 10 includes a first surface 111 provided on the first part 11 and a second surface 121 provided on the second part 12. In the first direction, the second surface 121 is lower than the first surface 111. In the second direction, the first part 11 and the second part 12 are arranged in sequence. Wherein, in the second direction, the housing 10 can be divided into the first part 11 and the second part 12 along a virtual plane.

[0061] The battery cell module 21 and the battery management module 22 are arranged in the first part 11. The battery cell module 21 includes a plurality of battery cells 211. The battery management module 22 has a circuit board 221, a total negative high-voltage connector input end 222, a total negative high-voltage connector output end 223, and a low-voltage acquisition end 224. The total negative high-voltage connector output end 223 is connected to the total negative high-voltage connector input end 222. The total negative high-voltage connector input end 222, the total negative high-voltage connector output end 223, and the low-voltage acquisition end 224 are arranged on the circuit board 221. The terminal 3 is arranged on the second surface 121. The terminal 3 is a positive terminal 31 or a negative terminal 32. The total positive power harness 41 is connected to the total positive pole of the battery cell module 21 and the positive terminal 31. The total negative power harness 42 is connected to the negative terminal 32 and the total negative high-voltage connector output end 223. The low-voltage acquisition harness 43 is connected to the low-voltage acquisition end 224 and the battery cell module 21.

[0062] In other words, the starting power supply 1 according to the embodiment of the present application mainly consists of a housing 10, a battery system 2, a terminal 3, and a connection line 4. Wherein, the battery system 2 may include a battery cell module 21 and a battery management module 22. The connection line 4 may include a total positive power harness 41, a total negative power harness 42, and a low-voltage acquisition harness 43. In this embodiment, on the one hand, by adopting the stepped structure with a height difference on the surface of the housing 10, the installation height of the terminal 3 can be reduced, and the space occupied by the second part 12 in the first direction can be reduced. On the other hand, through the connection line 4, the electrical connection between the battery cell module 21, the battery management module 22, and the terminal 3 can be realized. By arranging the terminal 3 on the second part 12 and arranging the battery management module 22 and the battery cell module 21 in the first part 11, the layout of the connection line 4 between the terminal 3 and the battery management module 22 can be simplified. In the second direction, the extendable space of the connection line 4 between the terminal 3 and the battery management module 22 can be expanded, and the winding of the connection line 4 can be avoided. In addition, by arranging the battery management module 22 and the battery cell module 21 in the first part 11, the total length of the connection line 4 between the battery management module 22 and the battery cell module 21 can be simplified.

[0063] Thus, the starting power supply 1 of the embodiments of the present application combines a housing 10, a battery cell module 21, a battery management module 22, a terminal 3, and a connection line 4, which is conducive to simplifying the layout and length of the connection line 4 and improving the convenience of maintenance, installation, disassembly and removal.

[0064] According to an embodiment of the present application, the starting power supply 1 further includes: a connecting piece 212. Specifically, the connecting piece 212 connects the terminals 2111 of a plurality of battery cells 211. The connecting piece 212 is a total positive connecting piece 2121 or a total negative connecting piece 2122. Among them, the total positive connecting piece 2121 is connected to the total positive power harness 41, and the total negative connecting piece 2122 is connected to the input end 222 of the total negative high-voltage connector. That is to say, the series-parallel connection of a plurality of battery cells 211 can be realized through the connecting piece 212. In addition, by setting the connecting piece 212 as the total positive connecting piece 2121 or the total negative connecting piece 2122, it is beneficial to realize the electrical connection between a plurality of battery cells 211 and the battery management module 22, simplify the layout of the connection line 4 between a plurality of battery cells 211 and the battery management module 22, and effectively save the space inside the starting power supply 1.

[0065] In some specific embodiments of the present application, the battery management module 22 further includes a heating control module. The starting power supply 1 further includes: a heating module 26. The heating module 26 includes a heating wire 262 and a heating connection harness 264. The heating connection harness 264 connects the heating wire 262 and the heating control module, and controls the heating condition of the heating wire 262 by controlling the energization and power-off of the heating wire 262. That is to say, the electrical connection between the heating module 26 and the heating control module can be realized through the heating connection harness 264. Among them, the heating connection harness 264 can also be divided into a part of the connection line 4.

[0066] According to an embodiment of the present application, the starting power supply 1 further includes: a limiting plate 24. The limiting plate 24 is located on at least one side of the inner wall of the first part 11 close to the battery cell module 21. The limiting plate 24 has a plurality of mounting grooves 241. Each mounting groove 241 corresponds to a battery cell 211. The radial dimension of the mounting groove 241 is not less than the radial dimension of the battery cell 211, so that one end of the battery cell 211 with the terminal 2111 extends into the mounting groove 241. The outer edge of the limiting plate 24 has a wiring groove 242 extending along its own thickness direction. The wiring end of the heating connection harness 264 can be inserted into the wiring groove 242 to limit the wiring end. That is to say, in this embodiment, the limitation of at least the circumferential degree of freedom of the battery cell 211 can be realized through the limiting plate 24, and by setting the position of the wiring groove 242 close to the outer edge of the limiting plate 24, the length of the heating connection harness 264 can be shortened.

[0067] In some specific embodiments of the present application, the housing 10 includes an outer shell 13 and a cover 14. An accommodation space 15 with a first opening 131 is defined within the outer shell 13. At least a part of the cover 14 is disposed at the first opening 131. The accommodation space 15 is used to accommodate the battery cell module 21 and the battery management module 22. A part of the outer shell 13 or a part of the cover 14 serves as the second part 12. That is to say, in this embodiment, the terminal 3 can be disposed on the outer shell 13 or the cover 14.

[0068] According to an embodiment of the present application, the starting power supply 1 further includes a mounting plate 23. The mounting plate 23 is disposed in the accommodation space 15. In a first direction, the mounting plate 23 divides the accommodation space 15 into a first accommodation cavity 151 and a second accommodation cavity 152. The first opening 131 communicates with the second accommodation cavity 152. The first accommodation cavity 151 is used to accommodate the battery cell module 21, and the second accommodation cavity 152 is used to accommodate the battery management module 22. The battery management module 22 is mounted on the mounting plate 23. That is to say, a part of the connection line 4 can be located on the side of the mounting plate 23 away from the battery cell module 21. For example, the first direction is the up and down direction, the first accommodation cavity 151 is located below the second accommodation cavity 152, and a part of the connection line 4 is located above the mounting plate 23. In this embodiment, by using the mounting plate 23, the battery management module 22 and the battery cell module 21 can be separated, which is convenient for modular disassembly and assembly, avoids the connection line 4 occupying the space of the battery cell module 21, and can also improve the safety performance.

[0069] In some specific embodiments of the present application, in the first direction, the battery management module 22 and the second surface 121 are on the same side of the mounting plate 23. For example, both the battery management module 22 and the second surface 121 are located above the mounting plate 23. At the same time, the second surface 121 is lower than the first surface 111. Therefore, the height difference between the battery management module 22 and the terminal 3 in the first direction can be shortened, so that the length of the connection line 4 between the battery management module 22 and the terminal 3 is shortened, and the distribution is relatively regular, which is convenient for setting.

[0070] According to an embodiment of the present application, the first part and the second part are distributed along a second direction, and the second direction has an included angle with the first direction. In the second direction, the mounting plate 23 divides the accommodation space 15 into a first accommodation cavity 151 and a third accommodation cavity 153, and the third accommodation cavity 153 is used to accommodate a part of the total positive power harness 41 and the total negative power harness 42. For example, the first direction is the up-down direction, and the second direction is the left-right direction. In the first direction, the first accommodation cavity 151 is located below the second accommodation cavity 152, and the third accommodation cavity 153 is located on the right side of the first accommodation cavity 151. In this embodiment, through the third accommodation cavity 153, a part of the connection line 4 between the connection terminal 3 and the battery management module 22 can be accommodated, which can avoid the connection line 4 affecting the low-position installation of the connection terminal 3, and can also avoid the exposure of the connection line 4, thereby improving the aesthetics and safety.

[0071] In some specific embodiments of the present application, the starting power supply 1 further includes: a fixing member 5, and the fixing member 5 has a fixing channel through which the total negative power harness 42 and the low-voltage acquisition harness 43 pass. That is to say, by using the fixing member 5, multiple groups of harnesses can be limited and fixed, and it can be avoided that multiple groups of harnesses are wound around each other and displaced.

[0072] Thus, for the starting power supply 1 according to the embodiment of the present application, by combining the housing 10, the battery cell module 21, the battery management module 22, the connection terminal 3 and the connection line 4, the connection convenience and stability between multiple modules can be improved. The present application also provides an electrical equipment including the starting power supply 1 of any of the above embodiments, and the starting power supply 1 also has advantages such as high safety, which will not be elaborated here.

[0073] Optionally, the housing 10 of the starting power supply 1 further includes: a mounting plate 23, the mounting plate 23 is disposed in the accommodation space 15 and is used to divide the accommodation space 15 into multiple accommodation cavities. For example, the mounting plate 23 includes a first plate body 231 and a second plate body 232, and the mounting plate 23 can be an integral part or a split part, which is not limited here. The first plate body 231 extends along the second direction, and the second plate body 232 extends along the first direction. Through the first plate body 231, the first accommodation cavity 151 and the second accommodation cavity 152 can be divided in the first direction, and through the second plate body 232, the first accommodation cavity 151 and the third accommodation cavity 153 can be divided in the second direction.

[0074] Optionally, a receiving space 15 is defined within the outer shell 13. The inner wall of the outer shell 13 includes a first wall surface 133, a second wall surface 134, and a third wall surface 135. The battery cell module 21 is installed in the receiving space 15, and the mounting plate 23 is located within the receiving space 15. The mounting plate 23 includes a first plate body 231 and a second plate body 232. In a first direction, the battery cell module 21 is clamped between the first plate body 231 and the first wall surface 133. In a second direction, the battery cell module 21 is clamped between the second plate body 232 and the second wall surface 134. The battery cells 211 of the battery cell module 21 are provided with terminals 2111 in a third direction. An angle exists between any two of the first direction, the second direction, and the third direction.

[0075] Optionally, along the second direction, the cover body 14 includes a first cover portion 141 and a second cover portion 142. The first cover portion 141 is installed on the first opening 131 and has a first surface 111. The second cover portion 142 has a second surface 121. The second cover portion 142 can be used to install the terminal block 3; that is, along the first direction, at least a part of the second cover portion 142 is lower than the first cover portion 141. In addition, along the second direction, the second cover portion 142 can be simultaneously located outside the first receiving cavity 151 and the second receiving cavity 152.

[0076] Optionally, the outer shell 13 further has a second opening 132. The second cover portion 142 is provided at the second opening 132. A third receiving cavity 153 is formed between the outer shell 13 and the second cover portion 142. The second opening 132 communicates with the third receiving cavity 153. For example, a first receiving cavity 151 and a second receiving cavity 152 are enclosed between the left part of the outer shell 13 and the first cover portion 141, and a third receiving cavity 153 is enclosed between the right part of the outer shell 13 and the second cover portion 142. Along the vertical direction, the second receiving cavity 152 is located above the first receiving cavity 151, and the third receiving cavity 153 is simultaneously located on the right side of the first receiving cavity 151 and the second receiving cavity 152. Among them, the third receiving cavity 153 can be used to receive the wire harness connecting the terminal block 3 and the battery management module 22. The upper end of the outer shell 13 has a first opening 131 and a second opening 132 respectively. The second opening 132 is provided on the right side of the first opening 131. The second cover portion 142 is provided at the second opening 132. The second cover portion 142 and the outer shell 13 cooperate to form the third receiving cavity 153. The third receiving cavity 153 can receive at least a part of the connection line 4 for connecting the terminal block 3 and the battery management module 22. In this embodiment, the second cover portion 142 can be used to provide the installation area for the terminal block 3 and can also be used to cooperate to form the third receiving cavity 153, which has the effect of improving the integration of the cover body 14. The second receiving cavity 152 can be used to receive the heat dissipation module 25.

[0077] Optionally, one end of the first plate body 231 is connected to the first connection post 161 on the outer shell 13 through a connection groove. The first connection post 161 on the outer shell 13 can extend in the second direction, so as to be able to generate a pressure on the first plate body 231 in the first direction, and further enable the first plate body 231 to generate a pressure on the battery cell module 21 in the first direction.

[0078] Optionally, a fixing plate 163 is further provided in the outer shell 13. The fixing plate 163 is L-shaped and can be located on the side of the second plate body 232 close to the battery cell module 21. The portion of the fixing plate 163 extending in the first direction can be connected to the first plate body 231, for example, in abutment; the portion of the second plate body 232 extending in the second direction has a connection hole, and the portion of the fixing plate 163 extending in the second direction can be connected to the portion of the second plate body 232 extending in the second direction through a second connection post 162 extending in the first direction. For example, the second connection post 162 extends in the up and down direction, the fixing plate 163 is L-shaped, and the mounting plate 23 is Z-shaped. By adopting the fixing plate 163, the mounting plate 23 can be limited in the second direction, which is beneficial to realizing the fixation of the battery cell module 21.

[0079] Optionally, through holes 2123 are provided on the connecting piece 212, and limiting blocks 243 are further provided on the limiting plate 24. The limiting blocks 243 can cooperate with the through holes 2123 to realize the fixation of the limiting plate 24 to the connecting piece 212 and the limitation of the relative positions of the limiting plate 24 and the connecting piece 212.

[0080] Optionally, two protruding limiting protrusions 2211 are provided on the circuit board 221. For example, two limiting protrusions 2211 are provided along the width direction of the circuit board 221. The two limiting protrusions 2211 are spaced apart from each other and form a limiting groove 2212 for mounting a low-voltage acquisition harness connector for connecting the low-voltage acquisition end 224. In this embodiment, through the cooperation of the two limiting protrusions 2211, the limiting groove 2212 can be formed, so as to limit the low-voltage acquisition harness connector.

[0081] Optionally, a plurality of high-voltage connection terminals 2216 are respectively provided on the relatively arranged first edge 2213 and second edge 2214 of the circuit board 221, that is, the plurality of high-voltage connection terminals are respectively provided on the relatively arranged first edge 2213 and second edge 2214 of the circuit board 221. A limiting groove 2212 is provided on the third edge 2215 of the circuit board 221, that is, the limiting groove 2212 is provided on the third edge 2215 of the circuit board 221. The third edge 2215 is located between the first edge 2213 and the second edge 2214 and is respectively connected to the first edge 2213 and the second edge 2214. For example, the width direction of the circuit board 221 extends in the front-rear direction, the length direction extends in the left-right direction, the front edge of the circuit board 221 is the first edge 2213, the rear edge of the circuit board 221 is the second edge 2214, and the right edge of the circuit board 221 is the third edge 2215.

[0082] Optionally, the circuit board 221 is provided with high-voltage connection terminals 2216, and the high-voltage connection terminals 2216 are provided at the input end 222 or the output end 223 of the total negative high-voltage connector. An avoidance groove 2531 is provided on the outer edge of the second heat dissipation part 253 for avoiding the high-voltage connection terminals 2216. That is, by providing the avoidance groove 2531 on the outer edge of the second heat dissipation part 253, the second heat dissipation part 253 and the high-voltage connection terminals 2216 can be prevented from interfering with each other.

[0083] Optionally, the battery cell module 21 further includes a connection piece 212. The terminals 2111 of a plurality of battery cells 211 are connected through the connection piece 212. The connection piece 212 has a through hole 2123. A protruding limiting block 243 is provided on one side of the limiting plate 24 close to the inner wall of the housing 13, and the limiting block 243 is inserted into the through hole 2123. That is, one connection piece 212 can connect the terminals 2111 of a plurality of battery cells 211, and the series connection of a plurality of battery cells 211 can be realized. In this embodiment, the connection piece 212 is provided with a through hole 2123, and a limiting block 243 is further provided on the limiting plate 24. The limiting block 243 can cooperate with the through hole 2123 to fix the limiting plate 24 to the connection piece 212 and limit the relative positions of the limiting plate 24 and the connection piece 212. Optionally, the limiting plate 24 can be formed by injection molding. When injection molding, the limiting block 243 can be reserved, which not only improves the assembly efficiency but also enhances the reliability of laser welding. Optionally, the limiting block 243 can also extend partially into the installation groove 241, so that the limiting block 243 plays a role in limiting the battery cell 211, avoiding the additional setting of a limiting part 244 in the installation groove 241.

[0084] Optionally, the starting power supply 1 includes: a housing 13, a mounting plate 23, a battery cell module 21, a battery management module 22, and a heat dissipation module 25. The housing 13 has a receiving space 15. The mounting plate 23 is located within the receiving space 15. The battery cell module 21 and the battery management module 22 are respectively installed in the receiving space 15. The battery management module 22 is electrically connected to the battery cell module 21. The battery management module 22 includes a circuit board 221, a total negative high-voltage connector input terminal 222, a total negative high-voltage connector output terminal 223, and a low-voltage acquisition terminal 224. The battery management module 22 is disposed on the mounting plate 23, and the heat dissipation module 25 is disposed on one side of the circuit board 221 close to and / or away from the mounting plate 23.

[0085] Optionally, the heat dissipation module 25 includes a first heat dissipation portion 251. The first heat dissipation portion 251 is located between the circuit board 221 and the mounting plate 23. One side of the first heat dissipation portion 251 close to the mounting plate 23 has a plurality of heat dissipation protrusions 252 distributed at intervals. The space between two adjacent heat dissipation protrusions 252 can form a heat dissipation channel. In this embodiment, by adopting the first heat dissipation portion 251 including a plurality of heat dissipation protrusions 252, the heat dissipation efficiency can be improved.

[0086] Optionally, the heat dissipation module 25 includes: a second heat dissipation portion 253. The second heat dissipation portion 253 is located on the side of the circuit board 221 away from the mounting plate 23 and is a plate-shaped member. In this embodiment, by adopting a plate-shaped member as the second heat dissipation portion 253, the heat dissipation area can be enlarged.

[0087] Optionally, the circuit board 221 has a high-voltage terminal 2216. The high-voltage terminal 2216 is disposed at the total negative high-voltage connector input terminal 222 or the total negative high-voltage connector output terminal 223. The outer edge of the second heat dissipation portion 253 has an avoidance groove 2531 for avoiding the high-voltage terminal 2216. That is to say, by providing the avoidance groove 2531 on the outer edge of the second heat dissipation portion 253, the interference between the second heat dissipation portion 253 and the high-voltage terminal 2216 can be prevented.

[0088] Optionally, the starting power supply 1 further includes a heating module 26. The heating module 26 is installed in the receiving space 15 and close to the side of the battery cell 211 where the terminal 2111 is provided. The heating module 26 is used to heat the battery cell module 21. The heating module 26 includes a substrate 261 and a heating wire 262. The substrate 261 is provided with a heating channel 263, and the heating wire 262 is disposed in the heating channel 263.

[0089] Optionally, the terminals 2111 of multiple battery cells 211 are connected by a connecting piece 212. One side of the substrate 261 close to the battery cell module 21 has a limiting member 2611 to limit the connecting piece 212.

[0090] Optionally, the heating module 26 includes a heating wire 262 and a heating connection wire harness 264. The heating connection wire harness 264 connects the heating wire 262 and the heating control module.

[0091] Although some specific embodiments of the present invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and not for limiting the scope of the present invention. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A starting power supply (1), characterized in that: include: A shell (10), the shell (10) comprising a first part (11) and a second part (12); a surface of the shell (10) comprising a first surface (111) provided on the first part (11) and a second surface (121) provided on the second part (12); in a first direction, the second surface (121) is lower than the first surface (111); in a second direction, the first part (11) and the second part (12) are arranged in sequence; A battery cell module (21) and a battery management module (22), wherein the battery cell module (21) and the battery management module (22) are arranged in the first part (11), the battery cell module (21) comprises a plurality of battery cells (211), the battery management module (22) comprises a circuit board (221), a total negative high voltage connector input terminal (222), a total negative high voltage connector output terminal (223) and a low voltage collection terminal (224), the total negative high voltage connector output terminal (223) being connected to the total negative high voltage connector input terminal (222), the total negative high voltage connector input terminal (222), the total negative high voltage connector output terminal (223) and the low voltage collection terminal (224) being arranged on the circuit board (221); A terminal (3), the terminal (3) being disposed on the second surface (121), the terminal (3) being a positive terminal (31) or a negative terminal (32); A total positive power harness (41), wherein the total positive power harness (41) connects the positive electrode terminal (31) and the total positive electrode of the battery cell module (21); A total negative power harness (42), wherein the total negative power harness (42) is connected to the negative electrode terminal (32) and a total negative high-voltage connector output terminal (223); A low-voltage collection harness (43), wherein the low-voltage collection harness (43) connects the low-voltage collection terminal (224) and the battery cell module (21).

2. The starting power supply (1) according to claim 1, characterized in that: Also includes: A connecting piece (212), the connecting piece (212) connecting the terminals (2111) of the plurality of battery cells (211), the connecting piece (212) being a total positive connecting piece (2121) or a total negative connecting piece (2122), wherein the total positive connecting piece (2121) is connected to the total positive power harness (41), and the total negative connecting piece (2122) is connected to the total negative high-voltage connector input terminal (222).

3. The starting power supply (1) according to claim 1, characterized in that: The battery management module (22) further includes a heating control module, and the starting power supply (1) further includes: A heating module (26), the heating module (26) comprising a heating wire (262) and a heating connection harness (264), the heating connection harness (264) connecting the heating wire (262) and the heating control module.

4. The starting power supply (1) according to claim 3, characterized in that: Also includes: A limiting plate (24), the limiting plate (24) being located on the inner wall of the first part (11) close to at least one side of the battery module (21), the limiting plate (24) having a plurality of mounting grooves (241), each of the mounting grooves (241) corresponding to one of the battery cells (211), the radial dimension of the mounting groove (241) being not less than the radial dimension of the battery cell (211), so that one end of the battery cell (211) having a terminal (2111) extends into the mounting groove (241), the outer edge of the limiting plate (24) having a wiring groove (242) extending along the thickness direction thereof, the wiring terminal of the heating connection harness (264) being pluggable into the wiring groove (242).

5. The starting power supply (1) according to claim 1, characterized in that: The housing (10) comprises: A housing (13) and a cover (14), wherein a receiving space (15) having a first opening (131) is defined in the housing (13), at least a portion of the cover (14) is disposed at the first opening (131), the receiving space (15) is used to receive the battery cell module (21) and the battery management module (22), and a portion of the housing (13) or a portion of the cover (14) serves as the second portion (12).

6. The starting power supply (1) according to claim 5, characterized in that: Also includes: A mounting plate (23), the mounting plate (23) being arranged in the receiving space (15), the mounting plate (23) dividing the receiving space (15) into a first receiving cavity (151) and a second receiving cavity (152) in the first direction, the first opening (131) being connected to the second receiving cavity (152), the first receiving cavity (151) being used to receive the battery cell module (21), the second receiving cavity (152) being used to receive the battery management module (22), and the battery management module (22) being mounted on the mounting plate (23).

7. The starting power supply (1) according to claim 6, characterized in that: In the first direction, the battery management module (22) and the second surface (121) are located on the same side of the mounting plate (23).

8. The starting power supply (1) according to claim 6, characterized in that: The first part (11) and the second part (12) are distributed along a second direction, the second direction has an angle with the first direction, and in the second direction, the mounting plate (23) divides the accommodating space (15) into the first accommodating cavity (151) and the third accommodating cavity (153), and the third accommodating cavity (153) is used to accommodate a part of the total positive power harness (41) and the total negative power harness (42).

9. The starting power supply (1) according to claim 1, characterized in that: Also includes: A fixing member (5), wherein the fixing member (5) has a fixing channel, and the total negative power harness (42) and the low voltage collection harness (43) pass through the fixing channel.

10. An electrical device, characterized in that: It comprises a starting power supply (1) as described in any one of claims 1 to 9.

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