PACK structure of UPS battery

Abstract

The utility model relates to a PACK structure of a UPS battery. The PACK structure comprises a cover plate, a box body, a battery cell module, a FUSE module, a first fire-fighting module and a second fire-fighting module, the battery cell module, the FUSE module, the first fire-fighting module and the second fire-fighting module are all arranged in the box body; the cover plate covers the top of the box body; the FUSE module is arranged at one end of the battery cell module, and the FUSE module is connected with the battery cell module; the first fire-fighting module is arranged on one side face of the box body, the second fire-fighting module is arranged on the other side face of the box body, and first gaps are formed between the first fire-fighting module and the battery cell module and between the second fire-fighting module and the battery cell module. The battery is simple in structure, convenient to disassemble, assemble and maintain, capable of effectively prolonging the service life of the battery, high in practicability and economical efficiency and capable of being produced and used as a universal product.

Description

TECHNICAL FIELD

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

[0002] With the in -depth development of new energy industry such as energy storage, photovoltaic and wind energy, multiple new energies are mutually integrated to form complementary energy stations. From the current market, the PACK of the existing UPS battery module is all adopted conventional air cooling or natural cooling cooling mode, and the fire control inside the module is very little due to the cost consideration;The cell monomer and cell monomer are directly placed in the support, and the BMU is also directly mounted in the module, and the module is not provided with a FUSE module. After the thermal runaway of the cell in the battery module, the cell monomer and cell monomer are not provided with a heat insulation device, and the risk of heat spread is prone to occur, and then fire occurs, and there is certain safety hazard. Moreover, when the product high rate discharge, the temperature rise of the cell is instantaneously improved, which also reduces the service life of the cell to a certain extent. SUMMARY

[0003] Based on this, the utility model provides a PACK structure of UPS battery, which aims to solve the problems of the existing UPS battery module PACK, such as the risk of heat spread and fire when the internal cell is in thermal runaway, the instant temperature rise of the cell reduces the service life of the cell, etc.

[0004] To achieve the above purpose, the utility model embodiment proposes the following technical scheme: a PACK structure of UPS battery, comprising a cover plate, a box body, a cell module, a FUSE (i.e. fuse) module, a first fire control module and a second fire control module;The cell module, the FUSE module, the first fire control module and the second fire control module are all arranged in the box body;The cover plate is covered on the top of the box body;

[0005] The FUSE module is arranged at one end of the cell module, and the FUSE module is connected with the cell module;The first fire control module is arranged on one side of the box body, and the second fire control module is arranged on the other side of the box body, and the first fire control module and the second fire control module are both arranged with first gap between the cell module.

[0006] As a preferred embodiment, the first fire control module, the second fire control module are respectively linked through signal dry contact and CBMS unit (i.e. compact battery management system) of the cell module.

[0007] As a preferred implementation, the box is provided with a detachable BUM module away from one end of the FUSE module, and a second gap is arranged between the BUM module and the battery cell module.

[0008] As a preferred implementation, the BUM module is connected with the CBMS unit, and the outer side of the BUM module is wrapped with sheet metal.

[0009] As a preferred implementation, the battery cell module includes at least two module units arranged side by side; one end of each module unit is provided with a first fixed end plate, and the other end is provided with a second fixed end plate; the first fixed end plate is arranged close to the side surface of the box; the first fixed end plate and the second fixed end plate are respectively arranged in abutment with the module unit.

[0010] As a preferred implementation, the first fixed end plate is fixedly connected with the side surface; one end of the first fixed end plate away from the FUSE module and one end of the second fixed end plate away from the FUSE module are fixedly connected with the bottom of the box through a fixed support frame.

[0011] As a preferred implementation, one end of the fixed support frame is connected with the first fixed end plate, and the other end is connected with the second fixed end plate; the bottom of the fixed support frame is fixedly connected with the bottom of the box; one end of the second fixed end plate close to the FUSE module is in abutment with the FUSE module.

[0012] As a preferred implementation, the first fixed end plate and the second fixed end plate are respectively arranged in adaptation with the module unit; a plurality of limiting blocks are arranged on the side surface of the box close to the first fixed end plate.

[0013] As a preferred implementation, a third gap is arranged between two adjacent module units, and a limiting fixed plate is arranged at the top of the third gap; one side of the limiting fixed plate is connected with the second fixed end plate of one of the module units, and the other side is connected with the second fixed end plate of the other module unit; one end of the limiting fixed plate is in abutment with the FUSE module.

[0014] As a preferred implementation, the limiting fixed plate includes a first limiting fixed strip, a limiting groove and a second limiting fixed strip arranged in sequence; the first limiting fixed strip is connected with the second fixed end plate of one of the module units; the second limiting fixed strip is connected with the second fixed end plate of the other module unit; and the limiting groove is accommodated in the third gap.

[0015] As a preferred implementation, the width of the limiting groove is adapted to the width of the third gap; the limiting groove is a U-shaped limiting groove; the width of the first limiting fixed strip and the width of the second limiting fixed strip are respectively adapted to the width of the second fixed end plate.

[0016] As a preferred implementation, the side of the battery cell module close to the bottom of the box is further provided with a liquid leakage prevention tray, the liquid leakage prevention tray is sleeved on the side of the battery cell module close to the bottom of the box; the liquid leakage prevention tray is adapted to the battery cell module.

[0017] As a preferred implementation, each of the module units comprises a plurality of battery cell monomers arranged in parallel; in the same module unit, ceramic fiber sheets are arranged between adjacent battery cell monomers.

[0018] The utility model discloses reached the beneficial effect: the first fire-fighting module and the second fire-fighting module are arranged in the box, and each fire-fighting module adopts signal dry contact point and CBMS unit linkage, so that the double fire-fighting mode is formed in the box, and the fire extinguishing capacity of module thermal runaway can be more efficiently improved. By setting the FUSE module and connecting it with the battery cell module, the short circuit caused by improper operation can be solved, and the risk of damaging the battery cell module due to short circuit can be effectively avoided. The BUM module adopts a detachable setting mode, which is convenient to detach and maintain after sale. The ceramic fiber sheets are arranged between the battery cell monomers, which can effectively reduce the risk of thermal spread of the battery cell monomers, thereby effectively reducing the risk of PACK fire. The application has the advantages of simple structure, convenient disassembly and maintenance, long service life of the battery, high practicability and economy, wide application range, and can be produced and used as a general product. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.

[0020] Figure 1 It is an overall structure schematic view of the PACK structure of the UPS battery of an embodiment of the present application.

[0021] Figure 2 It is an overall structure schematic view of the PACK structure of the UPS battery of an embodiment of the present application. Figure 1

[0022] Figure 3 It is an overall structure schematic view of the PACK structure of the UPS battery of an embodiment of the present application. Figure 1 ​Another internal structure of the PACK structure of the UPS battery

[0023] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying 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. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0025] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, top, bottom, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0026] In the present application, unless otherwise explicitly specified and limited, 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 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 explicitly 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.

[0027] 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.

[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, 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 limited by "first", "second" can be explicitly or implicitly included 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 realization of the ordinary skilled in the art, 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 present application.

[0029] Specifically, as shown in Figures 1 to 3 The utility model discloses a PACK structure of UPS battery, including cover plate 10, box 20, electric core module 30, FUSE (that is, fuse) module 40, first fire control module 50 and second fire control module 60, electric core module 30, FUSE module 40, first fire control module 50 and second fire control module 60 all are arranged in the box 20, the cover plate 10 covers the top of the box 20,

[0030] FUSE module 40 is arranged in one end of electric core module 30, and FUSE module 40 is connected with electric core module 30, first fire control module 50 is arranged on one side of the box 20, second fire control module 60 is arranged on the other side of the box 20, and first fire control module 50 and second fire control module 60 are arranged with first gap (not marked in the drawing) between electric core module 30.

[0031] By setting FUSE module and connecting it with the electric core module, the risk of damaging the electric core module due to short circuit caused by improper operation can be effectively avoided.

[0032] As a preferred embodiment, the first fire control module 50, the second fire control module 60 are respectively linked with the CBMS unit (that is, compact battery management system, not marked in the drawing) of the electric core module 30 through signal dry contact points (not marked in the drawing).

[0033] The present application sets first fire control module 50 and second fire control module 60 in the box, and each fire control module is linked with CBMS unit through signal dry contact point, so that double fire control mode is formed in the box, and the fire extinguishing capacity of module thermal runaway can be more efficiently improved. In the embodiments of the present application, the first fire control module 50 and the second fire control module 60 are symmetrically arranged, which can effectively improve the fire extinguishing capacity of the module thermal runaway.

[0034] As a preferred implementation, the box 20 is provided with a detachable BUM module 70 away from one end of the FUSE module 40, and a second gap (not labeled in the figure) is provided between the BUM module 70 and the battery cell module 30. The BUM module 70 is detachably arranged, which is convenient for external disassembly and facilitates later after-sales maintenance.

[0035] As a preferred implementation, the BUM module 70 is connected with the CBMS unit, and the outer side of the BUM module 70 is wrapped with sheet metal.

[0036] As a preferred implementation, the battery cell module 30 includes at least two module units 31 arranged side by side; one end of each module unit 31 is provided with a first fixed end plate 32, and the other end is provided with a second fixed end plate 33; the first fixed end plate 32 is arranged close to the side of the box 20; the first fixed end plate 32 and the second fixed end plate 33 are respectively arranged in abutment with the module unit 31.

[0037] As a preferred implementation, the first fixed end plate 32 is fixedly connected with the side; one end of the first fixed end plate 32 away from the FUSE module 40 and one end of the second fixed end plate 33 away from the FUSE module 40 are fixedly connected with the bottom of the box 20 through a fixed support frame 80.

[0038] As a preferred implementation, one end of the fixed support frame 80 is connected with the first fixed end plate 32, and the other end is connected with the second fixed end plate 33; the bottom of the fixed support frame 80 is fixedly connected with the bottom of the box 20; one end of the second fixed end plate 33 close to the FUSE module 40 is in abutment with the FUSE module 40.

[0039] As a preferred implementation, the first fixed end plate 32 and the second fixed end plate 33 are respectively arranged in adaptation with the module unit 31; a plurality of limiting blocks (not labeled in the figure) are arranged on the side of the box 20 close to the first fixed end plate 32. By arranging the limiting blocks, the connection between the battery cell monomers of the module unit is more convenient and fast; the limiting blocks can effectively fix the connecting sheets for connecting the battery cell monomers, and facilitate the clamping and positioning of the connecting sheets.

[0040] As a preferred implementation, a third gap (not labeled in the figure) is provided between two adjacent module units 31, and a limiting fixed plate 90 is arranged at the top of the third gap; one side of the limiting fixed plate 90 is connected with the second fixed end plate 33 of one of the module units 31, and the other side is connected with the second fixed end plate 33 of the other module unit 31; one end of the limiting fixed plate 90 is in abutment with the FUSE module 40.

[0041] As a preferred embodiment, the limiting fixing plate 90 comprises a first limiting fixing strip 91, a limiting groove 92 and a second limiting fixing strip 93 which are sequentially connected; the first limiting fixing strip 91 is connected with the second fixed end plate 33 of one of the module units 31; the second limiting fixing strip 93 is connected with the second fixed end plate 33 of another module unit 31; and the limiting groove 92 is accommodated in the third gap. In this way, effective limiting effect can be achieved, so that the two module units can be fixed firmly and heat dissipation of the module units is facilitated.

[0042] In the embodiments of the present application, by arranging the fixed end plates and the gaps and controlling the relative positions thereof, effective heat dissipation effect can be achieved while effectively fixing the module units.

[0043] As a preferred embodiment, the width of the limiting groove 92 is adapted to the width of the third gap; the limiting groove 92 is a "U"-shaped limiting groove; and the width of the first limiting fixing strip 91 and the width of the second limiting fixing strip 93 are respectively adapted to the width of the second fixed end plate 33. In the embodiments of the present application, the depth of the "U"-shaped limiting groove is greater than or equal to one third of the depth of the third gap. In this way, limiting and fixing between the two module units can be achieved without screws and other components, so that effective limiting effect can be achieved while the limiting fixing plate is fixed, so that the two module units can be fixed firmly and heat dissipation of the module units is facilitated.

[0044] As a preferred embodiment, the side of the battery cell module 30 close to the bottom of the box 20 is further provided with a liquid leakage prevention tray (not labeled in the figure), the liquid leakage prevention tray is sleeved on the side of the battery cell module 30 close to the bottom of the box 20; and the liquid leakage prevention tray is adapted to the battery cell module 30. In this way, liquid leakage of the side-placed battery cell module can be avoided, so that the reliability and safety of operation are ensured.

[0045] As a preferred embodiment, each of the module units 31 comprises a plurality of battery cell monomers 311 which are arranged in parallel; and in the same module unit 31, ceramic fiber sheets 312 are arranged between adjacent battery cell monomers 311.

[0046] The ceramic fiber sheets are arranged between the battery cell monomers to effectively reduce the risk of heat spread of the battery cell monomers, thereby effectively reducing the risk of fire of the PACK. The present application has simple structure, convenient disassembly and assembly, and is convenient to maintain, can effectively prolong the service life of the battery, has high practicability and economy, and has wide application range, and can be produced and used as a general product.

[0047] 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.

[0048] 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.

[0049] 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 PACK structure of a UPS battery, characterized by, The utility model relates to a battery pack, including cover, box, electric core module, FUSE module, first fire control module and second fire control module, electric core module, FUSE module, first fire control module and second fire control module all set up in the box, the cover covers the top of the box, The FUSE module is arranged at one end of the electric core module, and the FUSE module is connected with the electric core module, the first fire control module is arranged on one side of the box, the second fire control module is arranged on the other side of the box, and first gaps are arranged between the first fire control module and the electric core module and between the second fire control module and the electric core module.

2. The PACK structure of the UPS battery according to claim 1, characterized by, The first fire control module and the second fire control module are respectively connected with the CBMS unit of the electric core module through signal contact points.

3. The PACK structure of the UPS battery according to claim 2, characterized by, The end of the box away from the FUSE module is provided with a detachable BUM module, and a second gap is arranged between the BUM module and the electric core module. The BUM module is connected with the CBMS unit, and the outer side of the BUM module is wrapped with a metal plate.

4. The PACK structure of the UPS battery according to claim 1, characterized by, The electric core module includes at least two module units arranged side by side, one end of each module unit is provided with a first fixed end plate, the other end is provided with a second fixed end plate, the first fixed end plate is arranged close to the side of the box, and the first fixed end plate and the second fixed end plate are respectively abutted with the module unit.

5. The PACK structure of the UPS battery according to claim 4, characterized by, The first fixed end plate is fixedly connected with the side, and one end of the first fixed end plate away from the FUSE module and one end of the second fixed end plate away from the FUSE module are fixedly connected with the bottom of the box through a fixed support frame.

6. The PACK structure of the UPS battery according to claim 5, characterized by, One end of the fixed support frame is connected with the first fixed end plate, and the other end is connected with the second fixed end plate, the bottom of the fixed support frame is fixedly connected with the bottom of the box, and one end of the second fixed end plate close to the FUSE module is abutted with the FUSE module. The first fixed end plate and the second fixed end plate are respectively matched with the module unit, and a plurality of limiting blocks are arranged on the side of the first fixed end plate close to the box.

7. The PACK structure of the UPS battery according to claim 4, characterized by, A third gap is arranged between two adjacent module units, a limiting fixed plate is arranged at the top of the third gap, one side of the limiting fixed plate is connected with the second fixed end plate of one of the module units, and the other side is connected with the second fixed end plate of the other module unit, and one end of the limiting fixed plate is abutted with the FUSE module.

8. The PACK structure of the UPS battery according to claim 7, characterized by, The limiting fixed plate includes a first limiting fixed strip, a limiting groove and a second limiting fixed strip connected in sequence, the first limiting fixed strip is connected with the second fixed end plate of one of the module units, the second limiting fixed strip is connected with the second fixed end plate of the other module unit, and the limiting groove is accommodated in the third gap. The width of the limiting groove is matched with the width of the third gap; the limiting groove is a "U"-shaped limiting groove; the width of the first limiting fixed strip and the width of the second limiting fixed strip are respectively matched with the width of the second fixed end plate.

9. The PACK structure of the UPS battery according to claim 1, characterized by, The side of the battery cell module close to the bottom of the box is also provided with a liquid leakage prevention tray, the liquid leakage prevention tray is sleeved on the side of the battery cell module close to the bottom of the box; the liquid leakage prevention tray is matched with the battery cell module.

10. The PACK structure of the UPS battery according to claim 4, characterized by, Each of the module units comprises a plurality of battery cell monomers arranged in parallel; in the same module unit, ceramic fiber sheets are arranged between adjacent battery cell monomers.

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