Temperature adjusting assembly for battery pack and battery pack

Abstract

The invention discloses a temperature adjusting assembly for a battery pack and the battery pack. The temperature adjusting assembly comprises a shell, a temperature adjusting component and a temperature adjusting component, wherein a mounting through hole is formed in the shell; the temperature adjusting cover shell is provided with a butt joint end and a through-flow hole, the temperature adjusting cover shell is suitable for being detachably installed to the outer shell in a butt joint mode from the outer side of the outer shell through the installation through hole through the butt joint end and communicated with the outer shell, and the through-flow hole allows fluid to flow in or out of the temperature adjusting cover shell and the outer shell. The temperature adjusting assembly is suitable for conveying fluid to the shell through the temperature adjusting cover shell to adjust the temperature in the shell. Comprising the temperature adjusting assembly is suitable for providing heat for the battery cell module in the battery pack shell or cooling the battery cell module.

Description

Technical Field

[0001] The present invention belongs to the technical field of battery pack temperature management, and in particular relates to a temperature regulating component for a battery pack and a battery pack. Background Art

[0002] In the field of electric vehicles, the batteries of electric vehicles need to operate in an appropriate temperature range. Too high or too low is not good. On the one hand, with the continuous increase in battery pack capacity and its output power, the heat generated by the battery cell module increases, which also brings cooling pressure to the battery pack cooling system. During operation, when the cooling system integrated in the battery pack cannot provide sufficient cooling for the battery cell module, it will lead to cooling failure and the risk of thermal runaway. On the other hand, in some cases, the ambient temperature may be too low (such as in winter), causing the electric vehicle to fail to ignite or difficult to charge. Summary of the invention

[0003] In view of the above technical problems, the present invention provides a temperature regulating component for a battery pack and a battery pack including the temperature regulating component, so as to conveniently provide temperature regulation for the battery pack of an electric vehicle.

[0004] To this end, according to one aspect of the present invention, a temperature regulating assembly for a battery pack is provided, comprising: a shell, the shell being provided with a mounting through hole; a temperature regulating cover shell, the temperature regulating cover shell having a docking end and a through hole, the temperature regulating cover shell being adapted to be detachably docked and mounted to the shell from the outside of the shell through the mounting through hole through the docking end and being in communication with the shell ， The through-hole allows fluid to flow into or out of the temperature-adjusting housing and the outer shell.

[0005] According to the above technical concept, the present invention may further include any one or more of the following optional forms.

[0006] According to some optional embodiments, a rotary vane device is provided in the temperature regulating shell, and the rotary vane device is suitable for rotating to suck the fluid into the temperature regulating shell through the flow hole and drive the fluid to flow into the outer shell.

[0007] According to some optional embodiments, a temperature regulating element is provided in the temperature regulating casing at a position deviating from the rotary vane device, so as to regulate the temperature of the fluid flowing from the temperature regulating casing into the outer shell.

[0008] According to some optional embodiments, the temperature regulating element includes a cooling element and / or a heating element.

[0009] According to some optional embodiments, a drying and filtering device is provided at the through-flow hole to dry and filter the fluid entering the temperature regulating housing from the through-flow hole.

[0010] According to some optional embodiments, the docking end is configured to be tubular and is provided with a plurality of elastic hooks extending parallel to the axial direction and arranged circumferentially at intervals, and the plurality of elastic hooks are used to be inserted into the mounting through hole and be clamped to the inner side of the shell.

[0011] According to some optional embodiments, the temperature regulating cover further includes: a spoke disk, which is located at the docking end and includes a center plate and a plurality of flexible spoke bands extending from the center plate toward the periphery of the docking end, the plurality of flexible spoke bands being respectively connected to the plurality of elastic hooks; a pulling portion, which is connected to the center plate to pull the center plate, thereby pulling the plurality of elastic hooks to elastically bend through the plurality of flexible spoke bands, so that the elastic hooks are released from the clamping connection with the outer shell.

[0012] According to some optional embodiments, the pulling portion includes a pulling belt, one end of which is connected to the central plate, and the other end of which passes through the temperature regulating shell and extends out of the temperature regulating shell.

[0013] According to some optional embodiments, the pulling portion further includes a support rod, the support rod is disposed in the temperature regulating housing, and the pulling belt is wound around the support rod.

[0014] According to some optional embodiments, a first elastic member is provided between the support rod and the center plate, and the first elastic member is configured to bias the center plate in a direction away from the support rod.

[0015] According to some optional embodiments, a circumferential groove adjacent to the plurality of elastic hooks is provided on the outer wall of the docking end, and when the temperature regulating cover is docked and installed to the outer shell, the outer shell is snapped into the circumferential groove.

[0016] According to some optional embodiments, a first sealing ring is arranged in the circumferential groove.

[0017] According to some optional embodiments, the outer wall of the docking end is provided with a first circumferential flange, and the circumferential groove is formed between the first circumferential flange and the multiple elastic hooks. When the temperature control cover is docked and installed to the outer shell, the outer shell is clamped by the first circumferential flange and the multiple elastic hooks.

[0018] According to some optional embodiments, a sealing cover assembly is further included in the outer shell, the sealing cover assembly includes a sealing cover for movably opening and closing the installation through hole, and when the temperature control cover is docked and installed to the outer shell, the sealing cover is suitable for opening the installation through hole; when the temperature control cover is removed from the outer shell, the sealing cover is suitable for closing the installation through hole.

[0019] According to some optional embodiments, a second circumferential flange is provided on the periphery of the sealing cover, and when the sealing cover closes the mounting through hole, the second circumferential flange abuts against the inner side of the outer shell.

[0020] According to some optional embodiments, a second sealing ring is provided at the second circumferential flange.

[0021] According to some optional embodiments, the sealing cover is in a protruding frustum shape so as to be suitable for closing the mounting through hole.

[0022] According to some optional embodiments, the sealing cover assembly further includes a second elastic member configured to bias the sealing cover toward a direction of closing the mounting through hole.

[0023] According to some optional embodiments, the sealing cover assembly further includes a plurality of force applying arms extending from a periphery of the sealing cover, and the second elastic member is connected between the force applying arms and the housing.

[0024] According to some optional embodiments, the cover assembly further comprises a plurality of guide members, each of the guide members comprises a pair of guide sleeves which are slidably sleeved, the pair of guide sleeves being sleeved on the second elastic member and being respectively mounted on the force applying arm and the housing.

[0025] According to another aspect of the present invention, a battery pack is provided, comprising a battery pack shell and a battery cell module accommodated in the battery pack shell, the battery pack also comprising at least two of the temperature control components for the battery pack, and the shell is configured as a part of the battery pack shell.

[0026] The temperature regulating cover of the temperature regulating assembly for the battery pack of the present invention is detachably mounted on the outer shell, so that fluid can be transported to the outer shell through the temperature regulating cover as needed to regulate the temperature inside the outer shell. The battery pack including the temperature regulating assembly is suitable for providing heat or cooling the battery cell module in the battery pack outer shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The features, advantages and other aspects of the embodiments of the present invention will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. Several embodiments of the present invention are shown herein in an illustrative and non-restrictive manner. In the accompanying drawings, the same figure numbers represent the same or similar parts.

[0028] Figure 1 is a schematic cross-sectional view of a temperature control assembly according to an exemplary embodiment, showing a temperature control cover mounted on a housing;

[0029] Figure 2 yes Figure 1 An exploded cross-sectional view of the temperature control assembly shown;

[0030] Figure 3 is a schematic diagram of an implementation method of a temperature control cover;

[0031] Figure 4 yes Figure 3 A cross-sectional view of a pulling portion of the thermostatic housing pulling a spoke disc;

[0032] Figure 5 is a schematic diagram of one embodiment of a support rod;

[0033] Figure 6 is a schematic cross-sectional view of a temperature control assembly according to another exemplary embodiment, showing a temperature control cover mounted on a housing;

[0034] Figure 7 is a schematic diagram of an implementation of a cover assembly;

[0035] Figure 8 yes Figure 6 A cross-sectional view of a sealing cover of the thermostat assembly shown in FIG. 1 that closes the mounting through hole;

[0036] Fig. 9 is a schematic cross-sectional view of a temperature control assembly according to a third exemplary embodiment, showing a temperature control cover mounted on a housing;

[0037] Fig.10 The housing is implemented as a battery pack housing or a schematic diagram of a battery pack including a temperature control component.

[0038] Reference numerals: I-temperature control assembly; II-battery pack; 1-battery pack housing; 10-housing; 110-mounting through hole; 20-temperature control cover; 21-flow hole; 22-fan; 23-temperature control element; 24-drying filter device; 200-butt end; 210-elastic hook; 210A-hook portion of elastic hook; 221-center plate; 222-flexible spoke belt; 231-pulling belt; 231A-handle of pulling belt; 231 B-through hole; 232-support rod; 232A-support part; 232A1-winding groove; 233-first elastic member; 240-circumferential groove; 241-first sealing ring; 242-first circumferential flange; 300-cover assembly; 310-sealing cover; 311-second circumferential flange; 312-second sealing ring; 320-second elastic member; 330-force arm; 340-guide member; 341, 342-guide sleeves. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] It should be noted that if a directional indication is involved in the embodiment of the present invention, the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0041] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0042] In view of the fact that the cooling system integrated in the current battery pack may not be able to provide sufficient cooling for the battery cell module, and in certain situations (such as extremely low temperature weather) it may be necessary to supply heat to the battery cell module, the present invention proposes a temperature control component and a battery pack including the temperature control component, which can transfer heat to the battery pack or implement cooling according to the situation to solve the above problems.

[0043] Reference Figure 1 and Figure 2 An exemplary thermostat assembly 1 for a battery pack is shown, which includes a housing 10 and a thermostat housing 20. The housing 10 is provided with a mounting through hole 110, and the thermostat housing 20 has a docking end 200 and a through hole 21. The thermostat housing 20 can be detachably docked and installed to the housing 10 from the outside of the housing 10 through the mounting through hole 110 through the docking end 200 (hereinafter, simply referred to as the thermostat housing 20 docked and installed to the housing 10) and communicates with the housing 10. 。 When the thermostatic housing 20 is docked and installed to the housing 10, the flow holes 21 allow fluid to flow in or out of the thermostatic housing 20 and the housing 10 to adjust the temperature inside the housing 10. Of course, multiple mounting holes 110 may be provided on the housing 10, such as at least two mounting holes 110, and the thermostatic housing 20 may be installed at each mounting hole 110. In this way, some mounting holes 110 and thermostatic housings 20 are used for fluid inflow, and some mounting holes 110 and thermostatic housings 20 are used for fluid outflow, forming an in-and-out cycle. It should be understood that Figure 1 , Figure 2 , Figure 6 , Figure 8 , Fig. 9Only a partial structure of the housing 10 is schematically drawn, and the housing 10 may be a closed shell or a generally closed shell except for a small number of pores. It should also be understood that the fluid is preferably a gas, in particular air, natural wind, etc., and may also be a suitable type of gas, or a cooling fluid or heating fluid supplied from the outside. In some embodiments, the fluid may also be a suitable type of liquid or a gas-liquid mixture.

[0044] In some embodiments, a rotary vane device 22 may be provided in part of the thermostatic housing 20. When the thermostatic housing 20 is docked and installed to the housing 10, the rotary vane device 22 rotates, and the fluid can be sucked into the thermostatic housing 20 through the flow hole 21 and driven to flow into the housing 10 through the docking end 200. Preferably, a thermostatic element 23 is provided in the thermostatic housing 20 at a position deviating from the rotary vane device 22. The thermostatic element 23 can be heating, cooling, or both. For example, the thermostatic element 23 may include a cooling element and / or a heating element. Specifically, the thermostatic element 23 may include a cooling pipe and / or a heating wire, or other suitable devices that can perform heating and / or cooling to adjust the temperature of the fluid flowing from the thermostatic housing 20 into the housing 10. It should be understood that the coolant in the cooling pipe can be introduced in an external manner, the heating wire can be heated by connecting to external electricity, and the rotary vane device 22 can also be rotated by connecting to external electricity. It should also be understood that the rotary vane device 22 can be configured as a fan or a propeller.

[0045] In some embodiments, when the fluid is a gas or a liquid other than water, a drying and filtering device 24 is provided at the flow hole 21 to dry and filter the fluid, such as air, entering the temperature regulating cover 20 from the flow hole 21. A drying bag can be selected as the drying and filtering device 24, and the air entering the temperature regulating cover 20 from the flow hole 21 is dried and filtered by the drying bag.

[0046] It should be understood that Fig.10 As shown, the housing 10 itself can be configured as a battery pack housing 1 of an electric vehicle. A plurality of mounting through holes 110 can be provided on the housing 10 configured as a battery pack housing 1, and a plurality of temperature regulating housings 20 can be installed at the same time. Some temperature regulating housings 20 are used for fluid (such as air) to flow in and regulate the temperature of the inflowing fluid. Figure 6 The temperature regulating housing 20 shown in the figure, some temperature regulating housings 20 are used for fluid outflow, and can be used as follows Fig. 9 The temperature regulating shell 20 shown can provide additional cooling (such as the temperature regulating element 23 configured as a cooling tube) or heat (such as the temperature regulating element 23 configured as a heating wire) to the shell 10 configured as the battery pack shell 1 through the temperature regulating shell 20.

[0047] Of course, in other embodiments, the housing 10 is configured as a part of the battery pack housing 1. Fig.10As shown, as an application of the above-mentioned temperature regulating component I, a battery pack II includes a battery pack shell 1 and a battery cell module accommodated in the battery pack shell 1, and the battery pack II also includes at least two temperature regulating components I. Of course, the two temperature regulating components I can be, one adopts Figure 6 The temperature regulating housing 20 shown in the figure regulates the temperature of the inflowing fluid, and another one adopts Fig. 9 The temperature regulating cover 20 shown is used for fluid to flow out, and the housings 10 of the two temperature regulating components I are configured as a part of the battery pack housing 1 and are connected to the fluid of the battery pack housing 1, so that the temperature of the battery pack housing 1 is regulated by the fluid.

[0048] Reference Figures 1 to 4 In the embodiment shown, the butt end 200 is configured in a tubular shape and is provided with a plurality of elastic hooks 210 extending parallel to the axial direction and arranged circumferentially at intervals. When the thermostatic housing 20 is butt-mounted to the housing 10, the plurality of elastic hooks 210 are inserted into the mounting through holes 110 and are clamped to the inner side of the housing 10 to achieve the installation of the thermostatic housing 20 on the housing 10. In particular, the thermostatic housing 20 is configured in a tubular shape, and the butt end 200 is one end of the thermostatic housing 20 configured in a tubular shape.

[0049] In order to facilitate the disassembly of the temperature regulating housing 20 / butt end 200, in some embodiments, as Figures 1 to 4 As shown, the thermostatic housing 20 further includes a spoke disk and a pulling portion. The spoke disk is located at the butt end 200 and includes a center plate 221 and a plurality of flexible spoke strips 222 extending from the center plate 221 toward the periphery of the butt end 200. Figure 3 As shown, a plurality of flexible spoke strips 222 extend outwardly along the radial direction of the butt end 200. The flexible spoke strips 222 may be made of plastic, rubber, or elastic steel sheets, etc. These plurality of flexible spoke strips 222 are respectively connected to a plurality of elastic hooks 210. Figure 3 The convergent ends of the multiple flexible spokes 222 are connected to the center plate 221, and the divergent ends are respectively connected to the inner sides of the multiple elastic hooks 210. The pulling portion is connected to the center plate 221 to pull the center plate 221 to move in the opposite direction of the extension of the multiple elastic hooks 210. The movement of the center plate 221 is transmitted to the multiple flexible spokes 222, so that the multiple elastic hooks 210 are pulled toward the center plate 221 to bend and close elastically. Figure 4As shown, in this way, the elastic hook 210 is released from the mounting through hole 110, so that the entire temperature control housing 20 / butt end 200 can be removed from the mounting through hole 110 of the housing 10. Preferably, in some embodiments, the pulling portion includes a pulling belt 231, one end of which is connected to the center plate 221, and the center plate 221 is moved by pulling the pulling belt 231, and the other end of the pulling belt 231 passes through the temperature control housing 20 and extends outside the temperature control housing 20, for example, a corresponding through hole 231B is provided on the side wall of the temperature control housing 20 for the other end of the pulling belt 231 to pass through, so as to facilitate pulling. A sealing ring may be provided at the through hole 231B to ensure the sealing of the through hole 231B. At the same time, a handle 231A may be provided at the other end of the pulling belt 231 for pulling. The size of the handle 231A may be larger than the through hole 231B to prevent the other end of the pulling belt 231 from accidentally entering the temperature control housing 20 from the through hole 231B. In other embodiments, the other end of the pulling belt 231 may also pass through the temperature control housing 20 in the axial direction, such as through the flow hole 21. Further, in some embodiments, the pulling part further includes a support rod 232, which is provided in the temperature control housing 20. The support rod 232 has a support portion 232A. The pulling belt 231 passes through the support rod 232, specifically, the support portion 232A. The support rod 232 can change the direction of the pulling force of the pulling belt 231. Preferably, the connection point of the pulling belt 31 on the center plate 221 and the support portion 232A can be on the central axis of the center plate 221 (i.e., the axis passing perpendicularly through the center of the center plate 221), so that the pulling belt 31 can pull the center plate 221 perpendicularly, which has a better pulling effect. It should be understood that the support portion 232A may include a wire groove or a hole for the pulling belt 231 to bypass or pass through the wire groove or hole, such as Figure 5 As shown, the support portion 232A includes a winding groove 232A1 located at the top of the support rod 232 for the pulling belt 231 to pass around. Figure 1 , Figure 2 In the embodiment where the middle support rod 232 is parallel to the pulling belt 231 or the plane where the pulling belt 231 is located, the support rod can also be configured to be perpendicular to the pulling belt 231 or the plane where the pulling belt 231 is located, as long as the support rod has a suitable support portion for the pulling belt 231 to pass around.

[0050] Preferably, the multiple elastic hooks 210 and the multiple flexible spoke strips 222 are evenly spaced and distributed along the circumference, and the spaces between the multiple elastic hooks 210 and the multiple flexible spoke strips 222 become channels for the fluid to flow between the temperature regulating cover 20 and the outer shell 10. Preferably, the center plate 221 is located in the center of the spoke disk.

[0051] Continue to refer to Figure 1 , Figure 2 and Figure 4In the illustrated embodiment, a first elastic member 233 is provided between the support rod 232 and the center plate 221. The first elastic member 233 may be a compression spring or a spring sheet, so that the first elastic member 233 can bias the center plate 221 in a direction away from the support rod 232. In this way, the center plate 221 can only move when the pulling belt 231 is pulled and the pulling force of the pulling belt 231 resists the biasing force of the first elastic member 233, thereby ensuring the stability of the engagement between the elastic hook 210 and the mounting through hole 110. Preferably, the biasing force of the first elastic member on the center plate 221 is on the central axis of the center plate 221.

[0052] Reference Figure 2 In some embodiments, a circumferential groove 240 adjacent to the plurality of elastic hooks 210 is provided on the outer wall of the docking end 200. When the thermostatic cover 20 is docked and installed on the housing 10, the housing 10 is inserted into the circumferential groove 240. Specifically, the edge of the housing 10 at the installation through hole 110 is inserted into the circumferential groove 240. Optionally, a first sealing ring 241 is provided in the circumferential groove 240 to enhance the sealing performance at the installation through hole 110 after the thermostatic cover 20 is docked and installed on the housing 10. In some embodiments, the outer wall of the docking end 200 is provided with a first circumferential flange 242, and the above-mentioned circumferential groove 240 is formed between the first circumferential flange 242 and multiple elastic hooks 210 (specifically, the hook portion 210A of the elastic hook 210). When the temperature control cover 20 is docked and installed on the outer shell 10, at the installation through hole 110, the first circumferential flange 242 and multiple elastic hooks 210 (specifically, the hook portion 210A of the elastic hook 210) clamp the outer shell 10.

[0053] In some preferred embodiments, Figure 6 As shown, the temperature control component 1 also includes a sealing component 300 disposed in the shell 10, and the sealing component 300 includes a sealing cover 310. The sealing cover 310 can movably open and close the installation through hole 110. When the sealing cover 310 opens the installation through hole 110 or after opening the installation through hole 110, the temperature control cover 20 can be docked and installed to the shell 10. After the temperature control cover 20 is disassembled from the shell 10, the sealing cover 310 can close the installation through hole 110 to isolate the shell 10 from the outside. Figure 8 shown.

[0054] In some embodiments, the periphery of the sealing cover 310 is provided with a second circumferential flange 311. When the sealing cover 310 closes the mounting through hole 110, the second circumferential flange 311 abuts against the inner side of the housing 10, stabilizing the sealing cover 310 at the mounting through hole 110 from one side and playing a sealing role. Optionally, a second sealing ring 312 is provided at the second circumferential flange 311 to enhance the sealing effect when the sealing cover 310 closes the mounting through hole 110.

[0055] Continue to refer to Figure 6 In some embodiments, the sealing cover assembly 300 further includes a second elastic member 320, which may be a spring. The second elastic member 320 is configured to bias the sealing cover 310 toward the mounting through hole 110 or toward the direction of closing the mounting through hole 110, so that in the absence of an external force, the sealing cover 310 has a tendency to move toward the mounting through hole 110 and close the mounting through hole 110. Therefore, in the process of removing the temperature regulating cover 20 from the housing 10, the biasing force of the second elastic member 320 automatically drives the sealing cover 310 to gradually close the mounting through hole 110 and make the sealing cover 310 abut against the inner side of the housing 10, such as Figure 8 In this embodiment, when the temperature regulating housing 20 is docked and installed to the housing 10 or during the process of docking and installing the temperature regulating housing 20 to the housing 10, the temperature regulating housing 20 (such as the docking end 200, the elastic hook 210 or the spoke disk) abuts against the sealing cover 310 and pushes the sealing cover 310 to move against the biasing force of the second elastic member 320.

[0056] In some preferred embodiments, Figures 6 to 8 The sealing cover 310 is in a cone shape that protrudes toward the installation through hole 110 or toward the direction of closing the installation through hole 110, so as to be suitable for closing the installation through hole 110 and play a guiding role in the process of the sealing cover 310 moving toward the installation through hole 110. Figure 6 In the embodiment shown, when the temperature regulating cover 20 is docked and installed to the outer shell 10 or during the process of docking and installing the temperature regulating cover 20 to the outer shell 10, the conical sealing cover 310 abuts against the spoke disk (specifically, it can abut against the center plate 221) but does not abut against the elastic hook 210. In this way, the situation in some embodiments where the sealing cover 310 abuts against the elastic hook 210 and the pulling part is difficult to pull the elastic hook 210 to bend elastically is avoided. At the same time, in this embodiment, the first elastic member 233 gives the center plate 221 a biasing force away from the support rod 232, which can counteract the biasing force of the second elastic member 320 on the sealing cover 310, and prevent the center plate 221 from moving due to being held by the sealing cover 310, for example, Figure 6 and Fig. 9 As shown, when the temperature control cover 20 is docked and installed to the outer shell 10, the biasing force of the first elastic member 233 and the overall structural strength of the spoke disk and the elastic hook 210 can jointly counteract the biasing force of the second elastic member 320. In particular, at this time, as an option, the first elastic member 233 has a biasing force greater than that of the second elastic member 320, such as an elastic force.

[0057] Reference Figure 6In the embodiment shown, when the thermostatic cover 20 is docked and installed to the housing 10 or during the process of docking and installing the thermostatic cover 20 to the housing 10, the frustum-shaped sealing cover 310 abuts against the spoke disk (specifically, it can abut against the center plate 221), and the first elastic member 233 can resist the biasing force of the second elastic member 320, so that the center plate 221 can be prevented from moving due to being held by the sealing cover 310, and the stability of the elastic hook 210 clamping the housing 10 is ensured. Of course, it is conceivable that in some embodiments where the above-mentioned first elastic member 233 is not provided, the biasing force of the second elastic member 320 can be resisted by relying on the overall structural strength of the spoke disk and the elastic hook 210.

[0058] Reference Figures 6 to 8 In some embodiments, the cover assembly 300 further includes a plurality of force-applying arms 330 extending from the periphery of the sealing cover 310, and the second elastic member 320 is connected between the force-applying arms 330 and the housing 10, giving the force-applying arms 330 and the sealing cover 310 a biasing force toward the housing 10. The force-applying arm 330 may be L-shaped, with one side of the L-shaped being connected to the sealing cover 310 and the other side being connected to the second elastic member 320. In some further embodiments, the second elastic member 320 is configured as a tension spring, and the cover assembly 300 further includes a plurality of guide members 340, each guide member 340 including a pair of guide sleeves 341 and 342 that are slidably sleeved, and the pair of guide sleeves 341 and 342 are sleeved with the second elastic member 320 and are respectively mounted on the force-applying arm 330 and the housing 10. The guide member 340 plays a guiding role during the extension and retraction process of the second elastic member 320, and in some embodiments, can give the sealing cover 310 a supporting force to prevent the sealing cover 310 from falling off.

[0059] It should be understood that the above description of the preferred embodiment is relatively detailed and cannot be regarded as limiting the scope of patent protection of the present invention. Under the enlightenment of the present invention, ordinary technicians in this field can also make substitutions or modifications without departing from the scope of protection of the claims of the present invention, which all fall within the scope of protection of the present invention. The scope of protection requested for the present invention shall be based on the attached claims.

Claims

1. A temperature control component (I) for a battery pack, characterized in that: include: A housing (10), wherein a mounting through hole (110) is provided on the housing (10); A temperature regulating cover (20), the temperature regulating cover (20) having a butt end (200) and a through hole (21), the temperature regulating cover (20) being adapted to be detachably butt-mounted to the outer shell (10) through the butt end (200) from the outside of the outer shell (10) via the mounting through hole (110) and being in communication with the outer shell (10) ， The through-flow hole (21) allows fluid to flow into or out of the temperature-adjusting housing (20) and the outer shell (10).

2. The temperature control assembly (I) for a battery pack according to claim 1, characterized in that: A rotary vane device (22) is arranged inside the temperature regulating housing (20), and the rotary vane device (22) is suitable for rotating to suck the fluid into the temperature regulating housing (20) through the through-flow hole (21) and drive the fluid to flow into the outer shell (10).

3. The temperature regulating assembly (I) for a battery pack according to claim 2, characterized in that: A temperature regulating element (23) is provided in the temperature regulating casing (20) at a position deviating from the rotary blade device (22) to regulate the temperature of the fluid flowing from the temperature regulating casing (20) into the outer shell (10).

4. The temperature regulating assembly (I) for a battery pack according to claim 3, characterized in that: The temperature regulating element (23) comprises a cooling element and / or a heating element.

5. The temperature regulating assembly (I) for a battery pack according to claim 1, characterized in that: A drying and filtering device (24) is provided at the through-flow hole (21) to dry and filter the fluid entering the temperature regulating housing (20) from the through-flow hole (21).

6. The temperature regulating assembly (I) for a battery pack according to claim 1, characterized in that: The butt end (200) is configured in a tubular shape and is provided with a plurality of elastic hooks (210) extending parallel to the axial direction and arranged at intervals in the circumferential direction. The plurality of elastic hooks (210) are used to be inserted into the mounting through hole (110) and to be clamped to the inner side of the housing (10).

7. The temperature regulating assembly (I) for a battery pack according to claim 6, characterized in that: The temperature regulating housing (20) further comprises: a spoke disk, the spoke disk being located at the butt end (200) and comprising a center plate (221) and a plurality of flexible spoke strips (222) extending from the center plate (221) toward the periphery of the butt end (200), the plurality of flexible spoke strips (222) being respectively connected to the plurality of elastic hooks (210); A pulling portion is connected to the center plate (221) to pull the center plate (221), thereby pulling the multiple elastic hooks (210) to bend elastically through the multiple flexible spoke bands (222), so that the elastic hooks (210) are released from the clamping connection with the housing (10).

8. The temperature regulating assembly (I) for a battery pack according to claim 7, characterized in that: The pulling portion comprises a pulling belt (231), one end of which is connected to the central plate (221), and the other end of which passes through the temperature regulating shell (20) and extends out of the temperature regulating shell (20).

9. The temperature regulating assembly (I) for a battery pack according to claim 8, characterized in that: The pulling portion further comprises a support rod (232), wherein the support rod (232) is arranged in the temperature regulating housing (20), and the pulling belt (231) is wound around the support rod (232).

10. The temperature regulating assembly (I) for a battery pack according to claim 9, characterized in that: A first elastic member (233) is provided between the support rod (232) and the center plate (221), and the first elastic member (233) is configured to bias the center plate (221) in a direction away from the support rod (232).

11. The temperature regulating assembly (I) for a battery pack according to claim 6, characterized in that: A circumferential groove (240) is provided on the outer wall of the docking end (200) and is adjacent to the plurality of elastic hooks (210); when the temperature regulating cover (20) is docked and mounted to the outer shell (10), the outer shell (10) is snapped into the circumferential groove (240).

12. The temperature regulating assembly (I) for a battery pack according to claim 11, characterized in that: A first sealing ring (241) is arranged in the circumferential groove (240).

13. The temperature regulating assembly (I) for a battery pack according to claim 11, characterized in that: The outer wall of the docking end (200) is provided with a first circumferential flange (242), and the circumferential groove (240) is formed between the first circumferential flange (242) and the plurality of elastic hooks (210). When the temperature control cover (20) is docked and installed to the outer shell (10), the outer shell (10) is clamped by the first circumferential flange (242) and the plurality of elastic hooks (210).

14. The temperature regulating assembly (I) for a battery pack according to any one of claims 1 to 13, characterized in that: The invention also includes a sealing cover assembly (300) arranged in the outer shell (10), wherein the sealing cover assembly (300) includes a sealing cover (310) for movably opening and closing the installation through hole (110), and when the temperature-adjusting cover (20) is docked and mounted to the outer shell (10), the sealing cover (310) is suitable for opening the installation through hole (110); when the temperature-adjusting cover (20) is removed from the outer shell (10), the sealing cover (310) is suitable for closing the installation through hole (110).

15. The temperature regulating assembly (I) for a battery pack according to claim 14, characterized in that: The sealing cover (310) is provided with a second circumferential flange (311) on its periphery. When the sealing cover (310) closes the mounting through hole (110), the second circumferential flange (311) abuts against the inner side of the housing (10).

16. The temperature regulating assembly (I) for a battery pack according to claim 11, characterized in that: A second sealing ring (312) is provided at the second circumferential flange (311).

17. The temperature regulating assembly (I) for a battery pack according to claim 14, characterized in that: The sealing cover (310) is in the shape of a protruding frustum so as to be suitable for closing the installation through hole (110).

18. The temperature regulating assembly (I) for a battery pack according to claim 14, characterized in that: The sealing cover assembly (300) further comprises a second elastic member (320), wherein the second elastic member (320) is configured to bias the sealing cover (310) in a direction of closing the mounting through hole (110).

19. The temperature regulating assembly (I) for a battery pack according to claim 18, characterized in that: The sealing cover assembly (300) further comprises a plurality of force-applying arms (330) extending from the periphery of the sealing cover (310), and the second elastic member (320) is connected between the force-applying arms (330) and the housing (10).

20. The temperature regulating assembly (I) for a battery pack according to claim 19, characterized in that: The cover assembly (300) further comprises a plurality of guide members (340), each of the guide members (340) comprising a pair of guide sleeves (341, 342) which are slidably sleeved, the pair of guide sleeves (341, 342) being sleeved on the second elastic member (320) and respectively mounted on the force applying arm (330) and the housing (10).

21. A battery pack (II), comprising a battery pack housing (1) and a cell module accommodated in the battery pack housing (1), characterized in that: The battery pack (II) further comprises at least two temperature control components (I) for a battery pack according to any one of claims 1 to 20, and the housing (10) is configured as a part of the battery pack housing (1).

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