CCS structure of UPS

Abstract

The utility model relates to a CCS structure of a UPS, which is suitable for a battery cell module and comprises a blister tray, a plurality of PCBs and a plurality of aluminum bars, a plurality of accommodating areas and a plurality of accommodating bosses are arranged on the blister tray, the accommodating bosses are arranged at equal intervals, and the accommodating areas are adjacent to the accommodating bosses; the aluminum bars are accommodated in the accommodating areas, and the aluminum bars and the accommodating areas are arranged in a one-to-one correspondence manner; the adjacent aluminum bars which are connected in series are connected through the PCBs, and the PCBs are connected with the aluminum bars connected with the PCBs through nickel sheets; and a gap is formed between the PCB and the adjacent accommodating boss. According to the structure, the CCS is integrated through electronic components, the resistance change of each string of modules can be effectively collected, the state and the use condition of the modules can be judged in advance through the resistance change, the size of a communication collection wire harness and the size of a system slave controller are reduced, the connection reliability of the system is enhanced, and the attractive performance of the module is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field especially relates to a CCS structure of UPS. BACKGROUND

[0002] With the in-depth development of new energy industries such as energy storage, photovoltaic and wind energy, various new energies are integrated with each other to form complementary energy stations.

[0003] From the current market, the conventional battery cell module structure is assembled into a module system by using a wire harness, an aluminum bar and an NTC, the wire harness and the NTC are attached to the surface of the aluminum bar to collect system electrical signals and temperature signals, and there are problems such as poor contact, poor collection accuracy, collection signal delay, and the like. When not attached in place, there is also the risk of inaccurate collection. Moreover, the more the number of strings inside the PACK system, the more points need to be collected, and the more collection lines are needed, which makes the wiring messy. In the case of limited system space, the wiring problem of the module inside cannot be effectively solved, and the system lacks aesthetic appearance. The large number of wire harness strings also greatly increases the risk of poor contact, reduces the connection reliability of the system, and to some extent, also reduces the service life of the battery cell. SUMMARY

[0004] Therefore, the utility model provides a CCS structure of UPS, aiming at solving the problems of the conventional battery cell module wiring mess, poor connection reliability, poor signal collection accuracy, collection signal delay and easy reduction of the service life of the battery cell.

[0005] To achieve the above-mentioned purpose, the utility model embodiment proposes the following technical scheme: a CCS (i.e. combined charging system) structure of UPS, suitable for a battery cell module, comprising a blister tray, a plurality of PCB boards and a plurality of aluminum bars; the blister tray is provided with a plurality of accommodation areas and a plurality of accommodation bosses, a plurality of the accommodation bosses are arranged at equal intervals, and the accommodation areas are arranged adjacent to the accommodation bosses; the aluminum bars are accommodated in the accommodation areas, and the aluminum bars and the accommodation areas are one-to-one corresponding.

[0006] The aluminum bars arranged adjacent to and in series are connected through the PCB boards, and the PCB boards and the connected aluminum bars are connected through nickel sheets; a gap is arranged between the PCB board and the adjacent accommodation boss.

[0007] As a preferred embodiment, the PCB board is provided with a collection chip; from the series direction of the aluminum bars, the adjacent PCB boards are connected through FPC sheets.

[0008] As a preferred embodiment, the PCB board comprises a first connecting part, a fixing part and a second connecting part arranged integrally; the collection chip is arranged on the first connecting part or the second connecting part.

[0009] As a preferred implementation, when the adjacent and series arranged aluminum bars are connected by the PCB board, the first connecting part is connected with one of the aluminum bars by the nickel sheet, the second connecting part is connected with another aluminum bar by the nickel sheet, and the fixing part is provided with the gap between the adjacent accommodating bosses.

[0010] As a preferred implementation, the first gasket is provided between the first connecting part and the aluminum bar, and the second gasket is provided between the second connecting part and the aluminum bar.

[0011] As a preferred implementation, when the adjacent PCB boards are connected by the FPC sheet, one end of the FPC sheet is connected with the first connecting part of one of the PCB boards, and the other end is connected with the second connecting part of another PCB board.

[0012] As a preferred implementation, the limiting convex strip is provided between the adjacent accommodating areas, and the limiting convex strip is provided in abutment with the adjacent accommodating bosses. The height of the limiting convex strip is greater than the height of the accommodating bosses.

[0013] As a preferred implementation, the first fixing column and the first through hole are provided in each of the accommodating areas. The first fixing hole is provided on the aluminum bar and is matched with the first fixing column. The first fixing column is arranged in the first fixing hole, and the first fixing column and the first fixing hole are arranged one by one. The first through hole is matched with the aluminum bar. By arranging the first fixing column and the first through hole, the aluminum bar can be quickly positioned in the accommodating area, and the aluminum bar can be stably connected with the pole column of the battery cell module.

[0014] As a preferred implementation, the recess is provided on the aluminum bar and is matched with the first through hole.

[0015] As a preferred implementation, the second fixing column and the second through hole are provided in each of the accommodating bosses. The second fixing hole is provided on the fixing part and is matched with the second fixing column. The second fixing column is arranged in the second fixing hole, and the second fixing column and the second fixing hole are arranged one by one. The third through hole is provided on the fixing part and is matched with the second through hole. The second through hole and the third through hole are arranged one by one. By arranging the second fixing column and the second through hole, the PCB board can be quickly positioned on the accommodating boss, and the PCB board can be stably connected with the pole column of the battery cell module.

[0016] When the structure is used, the whole structure is placed on the top of the battery cell module, and the blister tray is in abutment with the top cover of the battery cell module.

[0017] The structure of the utility model has the advantages that: the structure of the utility model can effectively collect the resistance value change of each string of modules through the electronic component integrated CCS, and the state and use condition (including the charging state of the long-term floating module) of the module can be judged in advance through the resistance value change. The utility model cancels the traditional line speed collection, and directly integrates the collection chip to the CCS, directly controls the NTC through the collection chip, and can more accurately collect the signal feedback of the temperature. Through the structure of the utility model, the traditional module internal communication collection harness is reduced, the volume of the system is controlled, the internal connection of the module is enhanced, the connection reliability of the system is improved, the risk of the harness string number multiple contact failure is reduced, the appearance performance of the module is improved, and the cost is reduced. The structure of the utility model is simple, has good heat dissipation effect, is convenient to disassemble and assemble, is convenient to maintain, has good stability, is economic, safe, practical, and can well meet the needs of actual use. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in the drawings without creative labor.

[0019] Figure 1 It is an overall structure schematic view of the CCS structure of the UPS of an embodiment of the utility model;

[0020] Figure 2 It is an overall structure schematic view of the CCS structure of the UPS of an embodiment of the utility model; Figure 1 It is an overall structure schematic view of the CCS structure of the UPS of an embodiment of the utility model;

[0021] Figure 3 It is an overall structure schematic view of the CCS structure of the UPS of an embodiment of the utility model; Figure 1 It is an overall structure schematic view of the CCS structure of the UPS of an embodiment of the utility model;

[0022] The implementation, functional characteristics and advantages of the utility model will be further described with reference to the drawings. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0024] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, top, bottom, and the like), the directional indications are only used to explain the relative positional relationship, movement condition and the like between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0025] In the present application, unless specifically defined and limited otherwise, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or can be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0026] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element.

[0027] In addition, if the embodiments of the present application involve "first", "second" and the like, the "first", "second" and the like are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0028] Specifically, as Figures 1 to 3As shown in the technical scheme, the utility model discloses a CCS (namely combined charging system) structure of UPS suitable for battery cell module, comprising suction disc 10, several PCB boards 20 and several aluminum rows 30, wherein the suction disc 10 is provided with multiple accommodation areas 11 and multiple accommodation bosses 12, the multiple accommodation bosses 12 are arranged at equal intervals, the accommodation area 11 is arranged adjacent to the accommodation boss 12, the aluminum row 30 is accommodated in the accommodation area 11, and the aluminum row 30 is arranged in one-to-one correspondence with the accommodation area 11.

[0029] The aluminum rows 30 arranged adjacent to and in series are connected through the PCB board 20, the PCB board 20 and the connected aluminum row 30 are connected through a nickel sheet 40, and a gap (not marked in the figure) is arranged between the PCB board 20 and the adjacent accommodation boss 12.

[0030] In the embodiments of the application, the shape and size of the PCB board 20 and the shape and size of the aluminum row 30 can be set according to actual needs, as long as they are adapted to each other. The number, shape and size of the accommodation area 11 and the accommodation boss 12 can be set according to actual needs, as long as they are adapted to each other and adapted to the PCB board 20 and the aluminum row 30.

[0031] In the structure of the application, the suction disc 10 is provided with multiple accommodation areas 11 and multiple accommodation bosses, so that the PCB board 20 and the aluminum row 30 can be integrated in the form of electronic components to collect the resistance value changes of each string of modules, and the state and use condition of the modules (including the charging state of long-term floating modules) can be judged in advance through the resistance value changes.

[0032] As a preferred embodiment, the PCB board 20 is provided with a collection chip 50, and adjacent PCB boards 20 are connected through an FPC sheet 60 from the series direction of the aluminum row 30. The application cancels the traditional line speed collection and directly integrates the collection chip into the CCS to directly control the NTC through the collection chip, so that the temperature signal feedback can be collected more accurately and the signal delay problem can be avoided.

[0033] As a preferred embodiment, the PCB board 20 comprises a first connecting part 21, a fixing part 22 and a second connecting part 23 arranged integrally, and the collection chip 50 is arranged on the first connecting part 21 or the second connecting part 23.

[0034] As a preferred embodiment, when the adjacent and serially arranged aluminum bars 30 are connected by the PCB 20, the first connecting part 21 is connected with one of the aluminum bars 30 by the nickel sheet 40, the second connecting part 23 is connected with another aluminum bar 30 by the nickel sheet 40, and the fixed part 22 and the adjacent accommodating boss 12 are provided with the gap. In this way, the modular connection of the electronic components can be realized, the assembly and connection are convenient and fast, and the heat dissipation of the electronic components is facilitated.

[0035] As a preferred embodiment, the first gasket 70 is provided between the first connecting part 21 and the aluminum bar 30, and the first gasket 70 is provided in the first connecting part 21; the second gasket 80 is provided between the second connecting part 23 and the aluminum bar 30, and the second gasket 80 is provided in the second connecting part 23. By providing the gasket, a good insulation effect is achieved.

[0036] In the embodiment, the first gasket 70 is provided in abutment with the first connecting part 21 and the matched aluminum bar 30; the second gasket 80 is provided in abutment with the second connecting part 23 and the matched aluminum bar 30. The shape and size of the first gasket 70 are matched with the first connecting part 21; the shape and size of the second gasket 80 are matched with the second connecting part 23.

[0037] According to the actual use, the first connecting part 21 is a positive electrode connecting part, and the second connecting part 23 is a negative electrode connecting part; or the first connecting part 21 is a negative electrode connecting part, and the second connecting part 23 is a positive electrode connecting part. In this way, the convenience of connection is facilitated.

[0038] As a preferred embodiment, when the adjacent PCBs 20 are connected by the FPC sheet 60, one end of the FPC sheet 60 is connected with the first connecting part 21 of one of the PCBs 20, and the other end is connected with the second connecting part 23 of another PCB 20.

[0039] As a preferred embodiment, a limiting convex strip 13 is provided between the adjacent accommodating regions 11; the limiting convex strip 13 is provided in abutment with the adjacent accommodating boss 12; and the height of the limiting convex strip 13 is greater than the height of the accommodating boss 12. In this way, the aluminum bar 30 can be quickly positioned in the accommodating region, and the aluminum bar can be stably connected with the pole of the battery cell module.

[0040] As a preferred implementation, each of the accommodation areas 11 is provided with a plurality of independently arranged first fixing columns 111 and a plurality of independently arranged first through holes 112; the aluminum row 30 is provided with a first fixing hole 31 matched with the first fixing column 111, the first fixing column 111 is arranged in the first fixing hole 31, and the first fixing column 111 and the first fixing hole 31 are arranged one by one; a plurality of first through holes 112 are arranged matched with the aluminum row 30. By arranging the first fixing column 111 and the first through hole 112 and cooperating with the limiting convex strip 13, the aluminum row 30 can be quickly positioned in the accommodation area, and the aluminum row can be stably connected with the pole column of the battery cell module.

[0041] As a preferred implementation, the aluminum row 30 is provided with a plurality of independently arranged grooves 32, and the grooves 32 are arranged one by one corresponding to the first through holes 112. That is, one groove 32 is arranged on one first through hole 112, which is convenient and fast for fixing and can ensure the assembly accuracy.

[0042] As a preferred implementation, each of the accommodation bosses 12 is provided with a plurality of independently arranged second fixing columns 121 and a plurality of independently arranged second through holes 122; the fixing part 22 is provided with a second fixing hole 24 matched with the second fixing column 121, the second fixing column 121 is arranged in the second fixing hole 24, and the second fixing column 121 and the second fixing hole 24 are arranged one by one; the fixing part 22 is provided with a third through hole 25 matched with the second through hole 122, and the second through hole 122 and the third through hole 25 are arranged one by one. By arranging the second fixing column 121 and the second through hole 122, the PCB board can be quickly positioned on the accommodation boss, and the PCB board can be stably connected with the pole column of the battery cell module.

[0043] When the structure is used, the whole structure is placed on the top of the battery cell module, and the blister tray is abutted with the top cover of the battery cell module.

[0044] By the structure, the traditional internal communication collection wire harness of the module is reduced, the volume of the system is reduced, the connection reliability of the system is enhanced from the internal connection of the module, the risk of multiple contact malfunctions of the wire harness is reduced, and the appearance performance of the module is improved. The structure of the utility model is simple, the heat dissipation effect is good, the disassembly and assembly are convenient, the maintenance is convenient, the stability is good, the economy is safe and practical, and the needs of actual use can be well met. The structure of the utility model is simple, the heat dissipation effect is good, the disassembly and assembly are convenient, the maintenance is convenient, the stability is good, the economy is safe and practical, and the needs of actual use can be well met.

[0045] In the description of the present specification, the description referring to the terms "an embodiment", "an example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.

[0046] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

[0047] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A CCS structure for a UPS, characterized in that, Applicable to battery cell modules, including a blister pack, several PCB boards and several aluminum busbars; the blister pack is provided with multiple receiving areas and multiple receiving bosses, the multiple receiving bosses are equally spaced, and the receiving areas and the receiving bosses are arranged adjacent to each other; the aluminum busbars are housed in the receiving areas, and the aluminum busbars are arranged in a one-to-one correspondence with the receiving areas; The adjacent and series-connected aluminum busbars are connected by the PCB board, and the PCB board and the connected aluminum busbars are connected by nickel sheets; a gap is provided between the PCB board and the adjacent receiving boss.

2. The CCS structure of the UPS according to claim 1, characterized in that, The PCB board is equipped with a data acquisition chip; adjacent PCB boards are connected via FPC sheets from the series direction of the aluminum busbars.

3. The CCS structure of the UPS according to claim 2, characterized in that, The PCB board includes an integrally formed first connecting part, a fixing part, and a second connecting part; the acquisition chip is disposed on the first connecting part or the second connecting part.

4. The CCS structure of the UPS according to claim 3, characterized in that, When adjacent and series-connected aluminum busbars are connected through the PCB board, the first connecting part is connected to one of the aluminum busbars through the nickel sheet, the second connecting part is connected to the other aluminum busbar through the nickel sheet, and the fixing part is provided with the gap between it and the adjacent receiving boss.

5. The CCS structure of the UPS according to claim 3, characterized in that, A first gasket is provided between the first connecting part and the aluminum busbar, and the first gasket is adapted to the first connecting part; a second gasket is provided between the second connecting part and the aluminum busbar, and the second gasket is adapted to the second connecting part.

6. The CCS structure of the UPS according to claim 4, characterized in that, When adjacent PCBs are connected by the FPC sheet, one end of the FPC sheet is connected to the first connection part of one of the PCBs, and the other end is connected to the second connection part of the other PCB.

7. The CCS structure of the UPS according to claim 1, characterized in that, A limiting protrusion is provided between adjacent receiving areas; the limiting protrusion abuts against the adjacent receiving boss; the height of the limiting protrusion is greater than the height of the receiving boss.

8. The CCS structure of the UPS according to claim 1, characterized in that, Each of the accommodating areas is provided with several independently arranged first fixing posts and several independently arranged first through holes; the aluminum busbar is provided with first fixing holes adapted to the first fixing posts, the first fixing posts are disposed in the first fixing holes, and the first fixing posts and the first fixing holes are arranged in a one-to-one correspondence; the several first through holes are adapted to the aluminum busbar.

9. The CCS structure of the UPS according to claim 8, characterized in that, The aluminum busbar has several independently arranged grooves, and each groove corresponds to one of the first through holes.

10. The CCS structure of the UPS according to claim 1, characterized in that, Each of the accommodating bosses is provided with several independently arranged second fixing posts and several independently arranged second through holes; the fixing part is provided with a second fixing hole adapted to the second fixing post, the second fixing post is disposed in the second fixing hole, and the second fixing post and the second fixing hole are arranged in a one-to-one correspondence; the fixing part is provided with a third through hole adapted to the second through hole, and the second through hole and the third through hole are arranged in a one-to-one correspondence.

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