CCS integrated structure and UPS battery
The CCS integrated structure design solves the problems of messy wiring and poor connection reliability in battery cell modules, achieves comprehensive signal acquisition and safety protection, reduces the risk of thermal runaway and short circuit, improves the aesthetics and stability of battery cell modules, and reduces costs.
Patent Information
- Application Number
- CN202520213645.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing battery cell modules have messy wiring, poor connection reliability, low signal acquisition accuracy, and significant safety hazards. Furthermore, they cannot achieve comprehensive signal acquisition when system space is limited, posing a risk of thermal runaway, short circuit, and fire in the battery cells.
The system adopts a CCS integrated structure, including an FPC board, staggered first and second aluminum busbars, and first and second NTC sheets. The NTC sheets share a common negative terminal connection line. The FPC board has openings adapted to the explosion-proof valve, and PC insulating flame-retardant paper is used to achieve the integration of electronic components and safety protection.
It achieves temperature acquisition for each module, reduces the risk of thermal runaway, avoids short circuits and fires caused by explosion-proof valve ejection, reduces the number of wires, improves aesthetics and connection reliability, reduces costs, and has a simple structure, good heat dissipation, and is easy to maintain.
Smart Images
Figure CN223584406U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery technology field especially, and it is a kind of CCS integrated structure and UPS battery. BACKGROUND
[0002] With the in-depth development of new energy industries such as energy storage, photovoltaic and wind power, various new energies are integrated with each other to form complementary energy stations.
[0003] From the current market, the conventional 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. However, there are problems such as poor contact, poor collection accuracy, signal collection delay, and the like. If the attachment is not in place, there is also a 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 number of collection points is not enough, and a more comprehensive collection cannot be achieved. The wiring problem of the module inside the wire harness cannot be effectively solved, and the system lacks aesthetic appearance. The large number of wire harness strings 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 cell. Moreover, in the case of limited system space, the existing FPC design cannot avoid the cell explosion valve hole, and there is a risk of module fire caused by short circuit and fire when the cell is in thermal runaway. SUMMARY
[0004] Therefore, the utility model provides a kind of CCS integrated structure and UPS battery, to solve the existing cell module wiring messy, connection reliability is poor, there is signal collection accuracy, collection signal is not comprehensive, security risk and so on.
[0005] To achieve the above-mentioned purpose, on the one hand, the utility model embodiment proposes the following technical scheme: a CCS integrated structure suitable for a cell module, comprising an FPC board, a plurality of first aluminum bars, a plurality of second aluminum bars, a plurality of first NTC pieces and a plurality of second NTC pieces; a plurality of first aluminum bars are arranged on one side of the FPC board; a plurality of second aluminum bars are arranged on the other side of the FPC board; the first aluminum bars and the second aluminum bars are arranged alternately;
[0006] One end of the first NTC piece is connected to the FPC board, the other end is connected to the first aluminum bar, and the first NTC piece and the first aluminum bar are arranged one by one; one end of the second NTC piece is connected to the FPC board, the other end is connected to the second aluminum bar, and the second NTC piece and the second aluminum bar are arranged one by one.
[0007] As a preferred implementation, one end of the FPC plate is provided with a plug; the first NTC sheet is connected to the FPC plate through a first double insurance, which is arranged in the FPC plate.
[0008] As a preferred implementation, the first double insurance includes a first connection point, a first connection line, a second connection line, a first contact point and a second contact point; the first connection point is connected to the first connection line, the second connection line and the first NTC sheet respectively; the first contact point is connected to the first connection line and the plug respectively; and the second contact point is connected to the second connection line.
[0009] As a preferred implementation, a plurality of the first NTC sheets share the same negative connection line.
[0010] As a preferred implementation, the second NTC sheet is connected to the FPC plate through a second double insurance, which is arranged in the FPC plate.
[0011] As a preferred implementation, the second double insurance includes a second connection point, a third connection line, a fourth connection line, a third contact point and a fourth contact point; the second connection point is connected to the third connection line, the fourth connection line and the second NTC sheet respectively; the third contact point is connected to the third connection line and the plug respectively; and the fourth contact point is connected to the fourth connection line.
[0012] As a preferred implementation, a plurality of the second NTC sheets share the same negative connection line.
[0013] As a preferred implementation, a plurality of the first NTC sheets and a plurality of the second NTC sheets share the same negative connection line.
[0014] As a preferred implementation, the FPC plate is provided with a plurality of openings corresponding to the explosion-proof valves of the battery cell module; the openings are arranged above the explosion-proof valves, and the openings and the explosion-proof valves are arranged one-to-one.
[0015] As a preferred implementation, the FPC plate is provided with PC insulating flame-retardant paper on both sides.
[0016] As a preferred implementation, the first aluminum row is provided with a plurality of first grooves arranged independently; the second aluminum row is provided with a plurality of second grooves arranged independently;
[0017] The first grooves and the second grooves are arranged one-to-one in the first aluminum row and the second aluminum row arranged alternately and oppositely, and the first grooves and the second grooves arranged one-to-one are on the same horizontal line.
[0018] As a preferred embodiment, a first gap is arranged between two adjacent first aluminum rows; a second gap is arranged between two adjacent second aluminum rows.
[0019] When the structure is used, the whole structure is placed on the top of the battery cell module, and abuts against the top cover of the battery cell module.
[0020] In another aspect, the application also provides a UPS battery, which comprises the CCS integrated structure.
[0021] The application has the advantages that: the structure of the application integrates the CCS through electronic components, each string of modules has a corresponding NTC collection point, the temperature of each string of modules can be collected, and the risk of thermal runaway is reduced.The FPC plate is provided with an opening matched with the pressure relief hole of the explosion-proof valve, so that the FPC internal short circuit caused by the explosion-proof valve is avoided, the electrolyte is prevented from being ignited by the spark caused by the explosion-proof valve, the risk of arc ignition caused by the short circuit of the battery cell thermal runaway is effectively avoided, the FPC plate is double-sidedly attached with PC insulating flame-retardant paper, even if internal short circuit occurs, no open fire is generated to affect the outside, the NTC sheet shares a negative electrode connecting wire, the number of wiring of the FPC plate and the collection wire harness of the NTC sheet is effectively reduced, the risk of multiple contact failures of the wire harness is reduced, the appearance of the module is improved, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative labor.
[0023] Figure 1 It is an overall structure schematic view of the CCS integrated structure of an embodiment of the application.
[0024] Figure 2 It is a connection structure schematic view of the NTC sheet and the FPC plate of the CCS integrated structure. Figure 1
[0025] Figure 3 It is a structure schematic view of the UPS structure of an embodiment of the application.
[0026] Figure 4 It is an internal structure schematic view of the UPS structure. Figure 3
[0027] The purposes, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0029] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, top, bottom, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.
[0030] In the present application, unless specifically defined otherwise and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be interpreted in a broad sense, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0031] 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.
[0032] In addition, if the embodiments of the utility model 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", "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 those skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0033] Specifically, as shown in Figures 1 to 3 The utility model discloses a CCS (namely combination charging system) integrated structure suitable for battery cell module, comprising FPC board 10 (flexible printed circuit board), a plurality of first aluminum row 20, a plurality of second aluminum row 30, a plurality of first NTC 40 (thermistor) piece and a plurality of second NTC piece 50, a plurality of first aluminum row 20 set up in one side of FPC board 10, a plurality of second aluminum row 30 set up in the other side of FPC board 10, first aluminum row 20 and second aluminum row 30 staggered arrangement,
[0034] One end of first NTC piece 40 is connected with FPC board 10, the other end is connected with first aluminum row 20, and first NTC piece 40 is arranged in one-to-one correspondence with first aluminum row 20, one end of second NTC piece 50 is connected with FPC board 10, the other end is connected with second aluminum row 30, and second NTC piece 50 is arranged in one-to-one correspondence with second aluminum row 30.
[0035] The utility model discloses a structure through electronic component integrated CCS, and every string module has corresponding NTC collection point, can gather the temperature of every string module, reduces the risk of thermal runaway. The shape and quantity of first aluminum row 20 and second aluminum row 30 can be set according to actual use needs.
[0036] As a preferred embodiment, one end of the FPC board 10 is provided with a plug-in part 60; the first NTC piece 40 is connected with the FPC board 10 through a first double insurance 70, and the first double insurance 70 is arranged in the FPC board 10.
[0037] As a preferred embodiment, the first double insurance 70 includes a first connection point 71, a first connection line 72, a second connection line 73, a first contact 74 and a second contact 75; the first connection point 71 is connected with the first connection line 72, the second connection line 73 and the first NTC piece 40 respectively; the first contact 74 is connected with the first connection line 71 and the plug-in part 60 respectively; and the second contact 75 is connected with the second connection line 73.
[0038] When the first connection line 72 is disconnected due to short circuit, the first contact 74 and the second contact 75 are connected through the connection line, and a path is formed in sequence between the first connection point 71, the second connection line 73, the second contact 75 and the first contact 74, so that the first NTC piece 40 and the FPC board 10 will not be disconnected due to the disconnection of the first connection line 72, forming a double insurance connection.
[0039] As a preferred embodiment, the plurality of first NTC pieces 40 share the same negative connection line.
[0040] As a preferred embodiment, the second NTC sheet 50 is connected to the FPC plate 10 through a second double insurance 80, and the second double insurance 80 is arranged in the FPC plate 10.
[0041] As a preferred embodiment, the second double insurance 80 comprises a second connecting point 81, a third connecting line 82, a fourth connecting line 83, a third contact point 84 and a fourth contact point 85; the second connecting point 81 is connected to the third connecting line 82, the fourth connecting line 83 and the second NTC sheet 50 respectively; the third contact point 84 is connected to the third connecting line 82 and the plug-in part 60 respectively; and the fourth contact point 85 is connected to the fourth connecting line 83.
[0042] When the third connecting line 82 is disconnected due to short circuit, the third contact point 84 and the fourth contact point 85 are connected through the connecting line, and the second connecting point 81, the fourth connecting line 83, the fourth contact point 85 and the third contact point 84 are sequentially connected to form a path, so that the second NTC sheet 50 and the FPC plate 10 will not be disconnected due to the disconnection of the third connecting line 82, forming a double insurance connection.
[0043] As a preferred embodiment, a plurality of the second NTC sheets 50 share the same negative connecting line.
[0044] As a preferred embodiment, a plurality of the first NTC sheets 40 and a plurality of the second NTC sheets 50 share the same negative connecting line.
[0045] In the embodiments of the present application, the NTC sheets share the negative connecting line, effectively reducing the number of wiring of the FPC plate and the collection wire harness of the NTC sheets, reducing the risk of multiple contact failures of the wire harness, and improving the aesthetic performance of the module and reducing the cost. According to the actual use needs, a plurality of the first NTC sheets 40 can share the same negative connecting line, a plurality of the second NTC sheets 50 can share the same negative connecting line, or a plurality of the first NTC sheets 40 and a plurality of the second NTC sheets 50 can share the same negative connecting line.
[0046] As a preferred embodiment, a plurality of openings 11 adapted to the explosion-proof valves of the battery cell module are arranged on the FPC plate 10, the openings 11 are arranged above the explosion-proof valves, and the openings 11 and the explosion-proof valves are arranged one by one. The openings adapted to the pressure relief holes of the explosion-proof valves are arranged on the FPC plate, which can avoid the fire caused by the sparks generated by the internal short circuit of the FPC caused by the spray of the explosion-proof valve, and can effectively avoid the risk of arc fire caused by short circuit due to thermal runaway of the battery cell.
[0047] As a preferred embodiment, the FPC board 10 is provided with PC insulating fire-retardant paper (not marked in the figure) on both sides. The FPC board is double-sidedly attached with PC insulating fire-retardant paper, so that even if internal short circuit occurs, no open fire will be generated to affect the outside.
[0048] As a preferred embodiment, the first aluminum row 20 is provided with a plurality of first grooves 21 arranged independently; the second aluminum row 30 is provided with a plurality of second grooves 31 arranged independently.
[0049] The first grooves 21 and the second grooves 31 are arranged one by one in the first aluminum row 20 and the second aluminum row 30 arranged alternately and oppositely, and the first grooves 21 and the second grooves 31 arranged one by one are on the same horizontal line.
[0050] In the embodiment of the present application, the first grooves 21 and the second grooves 31 on the same horizontal line are also on the same horizontal line with the openings 11 on the FPC board 10 arranged adjacently, and the openings 11 are arranged between the first grooves 21 and the second grooves 31. In this way, it is convenient to adapt to the battery cell module, and quick connection can be realized, and space can be effectively saved.
[0051] As a preferred embodiment, a first gap (not marked in the figure) is arranged between two adjacent first aluminum rows 20; a second gap (not marked in the figure) is arranged between two adjacent second aluminum rows 30.
[0052] When the structure of the present application is used, the whole structure is placed on the top of the battery cell module, and abuts against the top cover of the battery cell module.
[0053] On the other hand, the present application also provides a UPS battery 100, which comprises the CCS integrated structure 200.
[0054] The utility model discloses a simple structure, good heat dissipation effect, convenient to disassemble and assemble, easy maintenance, good stability, economic safety practical, can satisfy the need of actual use well.
[0055] In the description of the present application, the description of 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 contained in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.
[0056] 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 specification is described in this way 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 also be appropriately combined to form other embodiments that those skilled in the art can understand.
[0057] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and the contents of the drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.
Claims
1. A CCS integrated structure, characterized in that, Applicable to battery cell modules, including an FPC board, several first aluminum busbars, several second aluminum busbars, several first NTC wafers, and several second NTC wafers; several first aluminum busbars are disposed on one side of the FPC board; several second aluminum busbars are disposed on the other side of the FPC board; the first aluminum busbars and second aluminum busbars are arranged alternately; One end of the first NTC chip is connected to the FPC board, and the other end is connected to the first aluminum busbar, with the first NTC chip and the first aluminum busbar being arranged in a one-to-one correspondence; one end of the second NTC chip is connected to the FPC board, and the other end is connected to the second aluminum busbar, with the second NTC chip and the second aluminum busbar being arranged in a one-to-one correspondence.
2. The CCS integrated structure according to claim 1, characterized in that, One end of the FPC board is provided with a connector; the first NTC chip is connected to the FPC board through a first double safety device, which is disposed inside the FPC board; The second NTC chip is connected to the FPC board via a second double safety device, which is located inside the FPC board.
3. The CCS integrated structure according to claim 2, characterized in that, The first double safety device includes a first connection point, a first connecting line, a second connecting line, a first contact, and a second contact; the first connection point is connected to the first connecting line, the second connecting line, and the first NTC chip respectively; the first contact is connected to the first connecting line and the connector respectively; and the second contact is connected to the second connecting line.
4. The CCS integrated structure according to claim 2, characterized in that, The second double safety device includes a second connection point, a third connection line, a fourth connection line, a third contact, and a fourth contact; the second connection point is connected to the third connection line, the fourth connection line, and the second NTC chip respectively; the third contact is connected to the third connection line and the connector respectively; and the fourth contact is connected to the fourth connection line.
5. The CCS integrated structure according to claim 1, characterized in that, Several of the first NTC chips share the same negative terminal connection line; several of the second NTC chips share the same negative terminal connection line.
6. The CCS integrated structure according to claim 1, characterized in that, Several of the first NTC chips and several of the second NTC chips share the same negative terminal connection line.
7. The CCS integrated structure according to claim 1, characterized in that, The FPC board is provided with several openings that are adapted to the explosion-proof valves of the battery cell module. The openings are located above the explosion-proof valves and correspond one-to-one with the explosion-proof valves. PC insulating flame-retardant paper is provided on both sides of the FPC board.
8. The CCS integrated structure according to claim 1, characterized in that, The first aluminum busbar is provided with several independently arranged first grooves; the second aluminum busbar is provided with several independently arranged second grooves; In the first and second aluminum bars that are staggered and arranged opposite to each other, the first groove and the second groove are arranged in a one-to-one correspondence, and the first groove and the second groove that are arranged in a one-to-one correspondence are on the same horizontal line.
9. The CCS integrated structure according to claim 1, characterized in that, A first gap is provided between two adjacent first aluminum bars; a second gap is provided between two adjacent second aluminum bars.
10. A UPS battery, characterized in that, The UPS battery includes the CCS integrated structure as described in any one of claims 1 to 9.