Battery cell insulation protection structure of liquid cooling energy storage battery pack

Abstract

The utility model discloses a liquid cooling energy storage battery pack cell insulation protection structure which comprises an insulation sleeve, a battery main body is inserted into an inner cavity of the insulation sleeve, a limiting plate for preventing the battery main body from being separated from the inside of the insulation sleeve is arranged at an opening part of the insulation sleeve, and a limiting piece for limiting the limiting plate is arranged inside the insulation sleeve. The limiting piece effectively prevents the battery body from accidentally falling off in the using process, the using stability and safety of the battery are improved, meanwhile, loosening of the limiting plate caused by factors such as vibration is avoided, the service life of the battery fixing structure is prolonged, and when the battery has electrical faults and needs to be maintained, limitation of the limiting assembly on the limiting plate is conveniently removed, and the service life of the battery fixing structure is prolonged. The battery main body can be taken out without damaging the insulating sleeve, so that the maintenance cost and difficulty are reduced, and the maintenance convenience and efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to liquid -cooled energy storage battery package technical field, concretely relates to a kind of liquid -cooled energy storage battery package electric core insulation protection structure. BACKGROUND

[0002] Liquid-cooled energy storage battery package is constituted by battery module, liquid cooling system, management system etc., while battery module includes multiple battery monomers, and battery monomer is combined in parallel or series by several groups of soft package lithium ion battery, and finally the battery monomer combined is insulated by insulating material.

[0003] The patent with announcement number CN219180739U discloses a battery main body insulation protection structure, which comprises a first insulation sleeve and a second insulation sleeve sleeved on the outer surface of a battery main body, the first insulation sleeve and the second insulation sleeve are respectively sleeved on the upper end and the lower end of the battery main body, the first insulation sleeve and the second insulation sleeve are fixed by hot melting, and a reinforcing component for reinforcing connection is arranged between the first insulation sleeve and the second insulation sleeve, the reinforcing component comprises a fastening ring, and annular grooves are formed in the positions where the first insulation sleeve and the second insulation sleeve are close to each other, the fastening ring is sleeved in the annular grooves and fixed by hot melting. According to the scheme, the first insulation sleeve and the second insulation sleeve are arranged on the surface of the battery main body, then a connecting strip is embedded in the connecting groove, and finally the fastening ring is sleeved at the connecting position of the insulation sleeve and fixed by hot plastic forming, so that the insulation protection of the battery main body is completed.

[0004] The above-mentioned battery main body insulation protection structure is used in practice to sleeve the first insulation sleeve and the second insulation sleeve on the electric core body, and fixed by hot plastic forming. When the battery main body fails and needs to be repaired or replaced, the component cannot be disassembled without damage, and the insulation sleeve and the fastening ring need to be damaged to operate, which increases the maintenance cost and difficulty. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of liquid -cooled energy storage battery package electric core insulation protection structure, to solve the existing protection structure when battery main body fails and needs to be repaired or replaced, component cannot be disassembled without damage, increase maintenance cost and difficulty.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of liquid -cooled energy storage battery package electric core insulation protection structure, including insulation sleeve, the inner cavity of the insulation sleeve is inserted with battery main body, the mouth portion of the insulation sleeve is provided with the limiting plate preventing battery main body from escaping from the inside of insulation sleeve, the inside of the insulation sleeve is provided with the limiting piece for limiting the limiting plate.

[0008] The limiting piece comprises a channel arranged in the inner ring of the insulating sleeve, the inner cavity of the channel is provided with a pull belt, the middle part of the limiting plate is provided with a circular groove, the inner cavity of the circular groove is provided with a pulling assembly for simultaneously pulling the two ends of the pull belt inward, and one side of the circular groove is provided with a limiting assembly for limiting the pulling assembly.

[0009] As a further scheme of the utility model, the pulling assembly comprises strip grooves arranged in the inner part of the limiting plate and located on the upper and lower sides of the circular groove in a staggered manner, the inner cavities of the two groups of strip grooves are slidably connected with racks, the tooth surfaces of the two groups of racks are oppositely arranged, the inner cavity of the circular groove is rotatably connected with a gear wheel, the upper and lower sides of the gear wheel are respectively engaged with the tooth surfaces of the corresponding side racks, the two ends of the pull belt are respectively connected to the end portions of the corresponding side racks through clamping pieces, the top center of the limiting plate is provided with an action hole for communicating the circular groove, the inner cavity of the action hole is rotatably connected with a connecting column, and the bottom of the connecting column is fixedly connected to the top center of the gear wheel.

[0010] As a further scheme of the utility model, the clamping piece comprises square holes respectively arranged on the two side surfaces of the limiting plate, the inner cavities of the two groups of square holes are slidably connected with connecting plates, and the two ends of the pull belt are respectively fixedly connected with T-shaped strips.

[0011] As a further scheme of the utility model, the limiting assembly comprises a communication groove arranged in the inner wall of one side of the circular groove, the inner part of the communication groove is slidably connected with an abutting block, one end of the abutting block is correspondingly arranged with the tooth surface of the gear wheel, the other end of the abutting block is fixedly connected with a spring, the other end of the spring is fixedly connected to the inner wall of the communication groove, and the top of the limiting plate is provided with a driving assembly for driving the abutting block to move away from the gear wheel.

[0012] As a further scheme of the utility model, the driving assembly comprises a limiting hole arranged in the top of the limiting plate and corresponding to the communication groove, the top center of the abutting block is fixedly connected with a connecting rod, and the top end of the connecting rod extends to the inner cavity of the limiting hole.

[0013] As a preferred scheme of the utility model, the inner wall of the insulating sleeve is provided with a heat conduction layer.

[0014] Compared with the prior art, the liquid-cooled energy storage battery pack cell insulation protection structure has the following beneficial effects:

[0015] 1、The limiting piece is arranged, the battery body is effectively prevented from being accidentally taken out during use, the stability and safety of battery use are improved, the limiting plate is prevented from loosening due to factors such as vibration, the service life of the battery fixing structure is prolonged, the limiting of the limiting assembly on the limiting plate is conveniently released when the battery has an electrical fault and needs to be repaired, the battery body can be taken out without damaging the insulating sleeve, the maintenance cost and difficulty are reduced, and the convenience and efficiency of repair are improved.

[0016] 2、The utility model discloses when rotating connecting column drives gear rotation, can accurate and synchronous control the movement of two groups of racks, and then realize the stable pulling of the both ends of the pull belt, not only high transmission efficiency, high precision, compared with the simple direct pulling structure, can more evenly exert the tension, ensure the tensioning effect of the pull belt, improve the stability and reliability of the restriction assembly work.

[0017] 3、The utility model discloses through the setting of restriction assembly, and the abutment block is against gear, makes gear unable to rotate, thereby limiting the movement of rack and pull belt, effectively prevent the accidental work of pulling assembly because of the misoperation or external force interference, ensure the stability of the fixed state of insulating sleeve to battery main body. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the drawing needed in the embodiment used briefly introduce, obviously, the drawing in the following description only is the utility model embodiment case, for the ordinary skill in the art to come, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0019] Figure 1 It is the structural schematic diagram of the utility model embodiment;

[0020] Figure 2 It is the structural schematic diagram of rack in the utility model embodiment;

[0021] Figure 3 It is the structural schematic diagram of circular groove in the utility model embodiment;

[0022] Figure 4 It is the sectional structure schematic diagram of insulating sleeve in the utility model embodiment.

[0023] Reference signs:

[0024] 100, insulating sleeve; 101, limit board; 102, action hole; 103, limit hole; 104, square hole; 105, circular groove; 106, communication groove; 107, pull belt; 108, strip groove; 109, passageway; 110, heat conduction layer;

[0025] 200, connecting plate; 201, T-shaped strip;

[0026] 300, rack; 301, gear; 303, connecting column;

[0027] 400, abutment block; 401, connecting rod; 402, spring. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer and more apparent, the utility model embodiment is further described in detail below in combination with the drawings and embodiments.

[0029] In the description of the utility model embodiments, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model embodiments.

[0030] In the description of the utility model embodiments, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, integral connection, or detachable connection; it can be the communication inside two elements; it can be directly connected, or indirectly connected through an intermediate medium; for those skilled in the art, the specific meaning of the above terms in the utility model embodiments can be understood according to the specific circumstances.

[0031] Referring to the drawings Figures 1-4 The utility model embodiment is a kind of liquid cooling energy storage battery pack electric core insulation protection structure, including insulating sleeve 100, the inner cavity of insulating sleeve 100 is inserted with battery main body, the mouth portion of insulating sleeve 100 is provided with the limiting plate 101 for preventing battery main body from being taken out from the inside of insulating sleeve 100, the inside of insulating sleeve 100 is provided with the limiting member for limiting limiting plate 101.

[0032] Among them, limiting member includes the channel 109 that is arranged in the inside of insulating sleeve 100, the inner cavity of channel 109 is provided with pull belt 107, the middle part of limiting plate 101 is provided with circular slot 105, the inner cavity of circular slot 105 is provided with the pulling assembly that is pulled to the inside simultaneously with both ends of pull belt 107, one side of circular slot 105 is provided with the limiting assembly for limiting pulling assembly, limiting member effectively prevents battery main body from accidentally taking out in use process, improves the stability and security of battery use, simultaneously, because of vibration and other factors, limiting plate 101 is loosened, and the service life of battery fixing structure is prolonged.

[0033] When battery needs to be repaired due to electrical failure, the above technical scheme can conveniently release the limitation of limiting assembly to limiting plate 101, without damaging insulating sleeve 100, battery main body can be taken out, maintenance cost and difficulty are reduced, and the convenience and efficiency of repair are improved.

[0034] The insulating sleeve 100 is a technical means well known to those skilled in the art, and its specific working principle and structure can be referred to the first insulating sleeve in the publication No. CN219180739U.

[0035] The pulling assembly comprises two groups of strip-shaped grooves 108 arranged in a staggered manner on the inside of the limiting plate 101 and on the upper and lower sides of the circular groove 105, the inner cavities of the two groups of strip-shaped grooves 108 are slidably connected with two groups of racks 300, the tooth surfaces of the two groups of racks 300 are arranged in opposition, the inner cavity of the circular groove 105 is rotationally connected with a gear 301, the upper and lower sides of the gear 301 are respectively engaged with the tooth surfaces of the corresponding side racks 300, the two ends of the pull belt 107 are respectively connected to the end portions of the corresponding side racks 300 through clamping members, and the top center of the limiting plate 101 is provided with an action hole 102 for communicating with the circular groove 105, the inner cavity of the action hole 102 is rotationally connected with a connecting column 303, and the bottom of the connecting column 303 is fixedly connected to the top center of the gear 301.

[0036] When the connecting column 303 drives the gear 301 to rotate, the movement of the two groups of racks 300 can be accurately and synchronously controlled, and the stable pulling of the two ends of the pull belt 107 can be realized, which not only has high transmission efficiency and precision, but also can more uniformly apply pulling force compared with some simple direct pulling structures, thereby ensuring the tensioning effect of the pull belt 107 and improving the stability and reliability of the working of the limiting assembly.

[0037] The clamping members comprise two square holes 104 respectively formed on the two side surfaces of the limiting plate 101, the inner cavities of the two square holes 104 are slidably connected with two connecting plates 200, the two ends of the pull belt 107 are fixedly connected with two T-shaped strips 201, the two groups of T-shaped strips 201 are respectively clamped to the end portions of the corresponding side connecting plates 200, the clamping of the T-shaped strips 201 and the connecting plates 200 has a certain anti-falling capability, which ensures that the connecting portions will not easily loosen during the working of the pull belt 107 and the racks 300, and guarantees the normal operation of the entire pulling assembly.

[0038] The limiting assembly comprises a communication groove 106 formed on the inner wall of one side of the circular groove 105, the inside of the communication groove 106 is slidably connected with an abutting block 400, one end of the abutting block 400 is arranged in correspondence with the tooth surface of the gear 301, the other end of the abutting block 400 is fixedly connected with a spring 402, the other end of the spring 402 is fixedly connected to the inner wall of the communication groove 106, the top of the limiting plate 101 is provided with a dialing assembly for dialing the abutting block 400 away from the gear 301, the abutting block 400 in the limiting assembly abuts against the gear 301, so that the gear 301 cannot rotate, thereby limiting the movement of the racks 300 and the pull belt 107, which can effectively prevent the accidental working of the pulling assembly caused by misoperation or external force interference, and ensure the stability of the fixed state of the insulating sleeve 100 to the battery body.

[0039] The toggle assembly comprises a limiting hole 103 formed in the top of the limiting plate 101 and corresponding to the communicating groove 106, and the top center of the abutting block 400 is fixedly connected with a connecting rod 401, and the top end of the connecting rod 401 extends to the inner cavity of the limiting hole 103, and through the arrangement of the toggle assembly, the connecting rod 401 can be conveniently toggled in the limiting hole 103, so as to drive the abutting block 400 to move, control the limiting assembly, and the top of the connecting rod 401 is lower than the mouth of the limiting hole 103, so that the connecting rod 401 is prevented from being accidentally touched.

[0040] The inner wall of the insulating sleeve 100 is provided with a heat conducting layer 110, which can quickly conduct the heat generated during the operation of the battery main body, and effectively avoid the accumulation of heat in the insulating sleeve 100.

[0041] The heat conducting layer 110 is formed by one or more groups of silicone, metal sheet, graphite material and the like.

[0042] In the use of the utility model embodiment, the battery main body is inserted into the inside of the insulating sleeve 100, the limiting plate 101 is taken out and placed above the mouth of the insulating belt, the connecting column 303 is rotated to drive the gear 301 to rotate, so that the two racks 300 are simultaneously pushed outwards, the connecting plate 200 is pushed out of the inner cavity of the square hole 104, and the T-shaped strip 201 at both ends of the pull belt 107 is clamped to the end of the corresponding connecting plate 200.

[0043] The connecting rod 401 is toggled to the side, the abutting block 400 is sunk into the inner cavity of the communicating groove 106, the end of the abutting block 400 is away from the surface of the gear 301, the connecting column 303 is reversely selected to drive the gear 301 to rotate, so that the opposite ends of the two racks 300 are moved to the opposite side along the strip-shaped groove 108, the both ends of the pull belt 107 are simultaneously moved inwards through the connecting plate 200, the battery main body is locked, and the battery main body is prevented from being taken out;

[0044] The connecting rod 401 is loosened, the abutting block 400 is moved to the side of the gear 301 under the pushing of the spring 402, and abuts against the tooth surface of the gear 301, so that the gear 301 cannot rotate, and the movement of the rack 300 and the pull belt 107 is limited.

[0045] In summary, the utility model embodiment of one kind is a kind of liquid-cooled energy storage battery pack cell insulation protection structure, which effectively prevents the battery main body from accidentally coming out during use, improves the stability and safety of the battery, avoids loosening of the limiting plate 101 due to vibration and other factors, prolongs the service life of the battery fixing structure, conveniently releases the limitation of the limiting assembly to the limiting plate 101 when the battery has electrical faults and needs to be repaired, and the battery main body can be taken out without damaging the insulating sleeve 100, which reduces the maintenance cost and difficulty, improves the convenience and efficiency of maintenance.

[0046] The above shows and describes the basic principles of the present application, the above is only the preferred embodiment of the present application, and does not limit the present application, the above embodiment and the description in the specification only illustrate the principles of the present application, any modification, equivalent replacement and improvement within the scope of the present application, etc. should be included in the protection scope of the present application.

Claims

1. A cell insulation protection structure for a liquid-cooled energy storage battery pack, comprising an insulating sleeve (100), characterized in that: The inner cavity of the insulating sleeve (100) is into which the battery body is inserted. The opening of the insulating sleeve (100) is provided with a limiting plate (101) to prevent the battery body from falling out of the insulating sleeve (100). The interior of the insulating sleeve (100) is provided with a limiting member to restrict the limiting plate (101). The limiting component includes a channel (109) circumferentially arranged inside the insulating sleeve (100), a pull strap (107) passing through the inner cavity of the channel (109), a circular groove (105) opened in the middle of the limiting plate (101), a pulling component that simultaneously pulls both ends of the pull strap (107) inward in the inner cavity of the circular groove (105), and a limiting component for limiting the pulling component on one side of the circular groove (105).

2. The cell insulation protection structure for a liquid-cooled energy storage battery pack according to claim 1, characterized in that: The pulling assembly includes strip grooves (108) located inside the limiting plate (101) and staggered on the upper and lower sides of the circular groove (105). The inner cavities of the two sets of strip grooves (108) are slidably connected to racks (300), and the tooth surfaces of the two sets of racks (300) are arranged opposite to each other. The inner cavity of the circular groove (105) is rotatably connected to a gear (301). The upper and lower sides of the gear (301) respectively mesh with the tooth surfaces of the corresponding side racks (300). The two ends of the pull belt (107) are respectively connected to the ends of the corresponding side racks (300) through snap-fit ​​components. The top center of the limiting plate (101) is provided with an action hole (102) for connecting the circular groove (105). The inner cavity of the action hole (102) is rotatably connected to a connecting post (303). The bottom of the connecting post (303) is fixedly connected to the top center of the gear (301).

3. The cell insulation protection structure for a liquid-cooled energy storage battery pack according to claim 2, characterized in that: The snap-fit ​​component includes square holes (104) respectively opened on both sides of the limiting plate (101). The inner cavities of the two sets of square holes (104) are slidably connected to connecting plates (200). The two ends of the pull strap (107) are respectively fixedly connected to T-shaped strips (201). The two sets of T-shaped strips (201) are snapped into the ends of the corresponding side connecting plates (200).

4. The cell insulation protection structure for a liquid-cooled energy storage battery pack according to claim 3, characterized in that: The limiting component includes a connecting groove (106) formed on the inner wall of one side of the circular groove (105). An abutment block (400) is slidably connected inside the connecting groove (106). One end of the abutment block (400) is correspondingly arranged with the tooth surface of the gear (301). A spring (402) is fixedly connected to the other end of the abutment block (400). The other end of the spring (402) is fixedly connected to the inner wall of the connecting groove (106). A toggle component is provided on the top of the limiting plate (101) for moving the abutment block (400) away from the gear (301).

5. The cell insulation protection structure for a liquid-cooled energy storage battery pack according to claim 4, characterized in that: The actuating assembly includes a limiting hole (103) opened on the top of the limiting plate (101) and corresponding to the position of the connecting groove (106). A connecting rod (401) is fixedly connected to the top center of the abutment block (400), and one end of the top of the connecting rod (401) extends into the inner cavity of the limiting hole (103).

6. The cell insulation protection structure for a liquid-cooled energy storage battery pack according to any one of claims 1-5, characterized in that: The inner wall of the insulating sleeve (100) is provided with a heat-conducting layer (110).

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