Valve assembly, power module and energy storage valve

Abstract

The utility model relates to a valve assembly, a power module and an energy storage valve. The valve assembly comprises an insulating plate, a power device, a water cooling plate and a water cooling pipeline. The insulating plate is provided with a first side and a second side which are opposite; the water cooling plate and the power device are arranged on the first side; the water cooling pipeline penetrates through the first side and the second side of the insulating plate and is communicated with the water cooling plate, and the insulating plate is arranged between the water cooling pipeline located on the second side and the power device in a blocking mode. According to the valve assembly provided by the embodiment of the invention, the power device is arranged on the first side of the insulating plate, and the water cooling pipeline extends from the second side to the first side and penetrates through the insulating plate, so that the insulating plate can block fragments splashed to the second side after the power device explodes, and the front impact of the fragments on most of the water cooling pipeline is reduced; and the probability of damage and failure of the water cooling pipeline is reduced. Therefore, the water cooling pipeline located on the second side can be effectively protected, and the anti-explosion effect of the valve assembly is improved.

Description

Technical Field

[0001] The present application relates to the technical field of electric power equipment, and in particular to an energy storage valve, a power module and an energy storage valve. Background Art

[0002] Power modules are usually equipped with power devices, resistors, capacitors and other components. When the power module is running, its power devices will generate a lot of heat. Therefore, cooling components are generally equipped to cool the power devices to avoid explosions during operation. However, current power devices are prone to damage cooling components when they explode, causing the cooling components to fail. Utility Model Content

[0003] In view of the above problems, the present application provides a valve assembly, a power module and an energy storage valve, which can improve the problem that the cooling components are damaged when the power device explodes, thereby causing the cooling components to fail.

[0004] In a first aspect, the present application provides a valve assembly, which includes an insulating plate, a power device, a water-cooling plate and a water-cooling pipeline; the insulating plate has a first side and a second side opposite to each other; the water-cooling plate and the power device are arranged on the first side; the water-cooling pipeline runs through the first side and the second side of the insulating plate and is connected to the water-cooling plate, wherein the insulating plate is blocked and arranged between the water-cooling pipeline and the power device located on the second side.

[0005] In the technical solution of the embodiment of the present application, since the power device is arranged on the first side of the insulating plate, the water cooling pipeline extends from the second side to the first side and penetrates the insulating plate, and the insulating plate can block the fragments splashing toward the second side after the explosion of the power device, thereby reducing the probability that the fragments will have a positive impact on most of the water cooling pipelines, causing the water cooling pipelines to be damaged and fail. Therefore, the water cooling pipelines on the second side can be effectively protected, and the explosion-proof effect of the valve assembly is improved.

[0006] In some embodiments, the insulating plate includes a plate body and a connection barrier portion, the connection barrier portion protrudes from the plate body and is located between the plate body and the water-cooled plate, the plate body is assembled on the water-cooled plate through the connection barrier portion, and the potential of the connection barrier portion is the same as that of the water-cooled plate.

[0007] At this time, the insulating plate is not only fixed to the water-cooled plate, but also, assuming that the potential of the water-cooled plate is negative, the potential of the connection barrier is also negative, that is, the potential of the connection barrier is the same as that of the water-cooled plate, and the potential of the insulating plate is the same as that of the water-cooled plate. At this time, the insulating plate is only connected to the negative pole of the power supply and disconnected from the positive pole of the power supply, meeting the electrical insulation requirements; and the connection barrier is protruding from the plate body, so the creepage distance can be increased, thereby meeting the electrical safety insulation requirements of the insulating plate and reducing the short circuit phenomenon of the power device during use.

[0008] In some embodiments, the plate body is provided with a mounting through hole, the connecting barrier portion is communicated with the mounting through hole, and the connecting barrier portion and the plate body are mounted on the water cooling plate via a locking member.

[0009] In this way, the electrical insulation requirements are met by cooperating with each other to connect the barrier portion, the mounting through hole and the locking member, thereby improving the insulation of the insulating plate and simplifying the structure and processing difficulty of the insulating plate.

[0010] In some embodiments, the connection barrier is bonded to the board.

[0011] The board body and the connection barrier are divided into two detachable parts, and the connection barrier is clamped on the board body by a clamping slot, which simplifies the connection between the board body and the connection barrier. When either the connection barrier or the board body is damaged, the damaged one can be replaced, which reduces the maintenance cost of the insulation board.

[0012] In some embodiments, the connection barrier and the plate body are detachably connected, so as to facilitate the disassembly and assembly of the connection barrier and the plate body.

[0013] In some embodiments, the insulating plate includes a plurality of connection blocking portions, the plurality of connection blocking portions are spaced apart along an extension direction of the insulating plate, and all the connection blocking portions are at the same potential.

[0014] Because a plurality of connection barriers are provided at both ends of the insulating plate, and the potential of all the connection barriers is the same, the insulating plate can be installed from multiple directions, thereby improving the installation stability of the insulating plate after being assembled on the cold water plate.

[0015] In some embodiments, a waterproof hole is opened on the insulating plate, and the water cooling pipe passes through the waterproof hole and is connected to the water cooling plate. When water leaking from the water cooling pipe falls into the waterproof hole, the waterproof hole can block the water from flowing to the power device, reducing the probability of water entering the power device, thereby protecting the power device.

[0016] In some embodiments, the diameter of the waterproof hole gradually increases from the first side to the second side.

[0017] In this way, the structure of the waterproof hole is designed so that the liquid falling on the hole wall can be guided to the second side, thereby reducing the water falling onto the power device through the waterproof hole, thereby affecting the normal operation of the power device.

[0018] In some embodiments, the hole wall structure of the waterproof hole is step-shaped, and the hole diameter of the waterproof hole close to the first side is smaller than the hole diameter of the waterproof hole close to the second side.

[0019] Setting the hole wall structure of the waterproof hole in a stepped shape can, on the one hand, achieve drainage of the waterproof hole, and on the other hand, increase the contact area between the stainless steel joint and the insulating plate, thereby improving the connection stability between the two.

[0020] In some embodiments, the water cooling plate and the power device are cross-stacked along a first direction, the insulating plate extends along the first direction, and the insulating plate is connected to at least a portion of the water cooling plate.

[0021] In this way, the water cooling plates and power devices are arranged in a cross-stacked manner, which can reduce the space occupied by the water cooling plates and power devices as much as possible without affecting the function of the insulating plate.

[0022] In some embodiments, the valve assembly has two ends disposed opposite to each other along the first direction, each end is provided with a water-cooling plate, and each water-cooling plate is connected to the insulating plate. The two ends of the insulating plate are connected to different water-cooling plates through the connecting barrier, so that the number of mounting components on the insulating plate can be reduced as much as possible without affecting the installation stability of the insulating plate, thereby reducing the difficulty of processing.

[0023] In some embodiments, the insulating plate is configured as a flame retardant, so as to further reduce the occurrence of accidents and thus improve the safety of the valve assembly.

[0024] In a second aspect, the present application provides a power module, which includes the valve assembly in the above embodiment.

[0025] In a third aspect, the present application provides an energy storage valve, which includes the power module in the above embodiment.

[0026] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Moreover, the same reference numerals are used throughout the drawings to represent the same components. In the drawings:

[0028] Figure 1 Schematic diagram of the structure of a valve assembly according to one or more embodiments.

[0029] Figure 2 It is a schematic diagram of the structure of the valve assembly according to one or more embodiments when it is at another viewing angle.

[0030] Figure 3 is a cross-sectional view of a valve assembly according to one or more embodiments.

[0031] Figure 4 is a cross-sectional view of an insulating plate of a valve assembly according to one or more embodiments.

[0032] Figure 5 Schematic diagram of the structure of an insulating plate of a valve assembly according to one or more embodiments.

[0033] Figure 6 is a schematic diagram of the structure of a power module according to one or more embodiments.

[0034] The reference numerals in the specific implementation manner are as follows:

[0035] 1000. Power module;

[0036] 100. Valve assembly;

[0037] 10. Insulating plate; 11. First side; 12. Second side; 13. Plate body; 131. Mounting through hole; 14. Connection barrier; 15. Waterproof hole; 20. Power device; 30. Water-cooling plate; 40. Water-cooling pipeline; 50. Frame; X, first direction; Y, second direction. DETAILED DESCRIPTION

[0038] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0040] In the description of the embodiments of the present application, if technical terms such as "first" and "second" appear, they are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0041] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0042] In the description of the embodiments of the present application, if the term "and / or" appears, it is only a description of the association relationship of the associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, if it appears, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0043] In the description of the embodiments of the present application, if it appears, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0044] In the description of the embodiments of the present application, if any, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the embodiments of the present application and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0045] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, if any technical terms such as "installed", "connected", "connected", "fixed" and the like are to be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0046] Energy storage technology is widely used because it can improve the utilization rate of renewable energy power generation, smooth active power fluctuations, and play a role in peak shaving and valley filling in power systems. Among them, the cascade energy storage system, as a new form of electrochemical energy storage, can also be called a high-voltage direct-mounted energy storage system. It adopts a modular cascade topology structure and effectively solves the voltage resistance problem of power devices by connecting multiple sub-modules in series. At the same time, it improves the system's dynamic response rate, converter conversion efficiency, capacity utilization, etc., and has obvious technical advantages.

[0047] Specifically, the direct-mounted energy storage system cascades multiple energy storage valves, each of which includes an energy storage unit, and the energy storage unit includes a battery pack. In practical applications, the energy storage valves in the cascade can be controlled to achieve charging and discharging of the energy storage units in each energy storage valve.

[0048] The valve assembly is a commonly used component in the energy storage valve. Since the power device of the valve assembly is frequently switched on and off during use, the probability of overheating, short circuit, and explosion of the power device increases in this use environment. In order to improve some problems caused by overheating of the power device, cooling components such as water cooling plates are usually equipped to cool the power device. However, the cooling components are easily affected by the power device during operation. Once the cooling components fail, the probability of short circuit or explosion of the power device will also increase.

[0049] Based on this, in order to improve the problem of cooling components being damaged or even failing due to power devices, an embodiment of the present application provides a valve assembly. The valve assembly sets the power device and the water cooling plate on one side of the insulating plate, and sets most of the water cooling pipelines on the other side of the insulating plate, so that a small part of the water cooling pipeline can pass through the insulating plate and connect with the water cooling plate. In this way, when the power device explodes, the insulating plate can prevent most of the fragments generated by the power device from directly impacting the water cooling pipeline, thereby causing damage to the water cooling pipeline.

[0050] The valve assembly provided in the embodiment of the present application is described in detail below.

[0051] See also Figure 1 and Figure 2 Some embodiments of the present application provide a valve assembly 100. The valve assembly 100 includes an insulating plate 10, a power device 20, a water-cooling plate 30, and a water-cooling pipeline 40. The insulating plate 10 has a first side 11 and a second side 12 opposite to each other; the water-cooling plate 30 and the power device 20 are jointly arranged on the first side 11; the water-cooling pipeline 40 runs through the first side 11 and the second side 12 of the insulating plate 10, and is connected to the water-cooling plate 30, wherein the insulating plate 10 blocks the water-cooling pipeline 40 and the power device 20 located on the second side 12.

[0052] The power device 20 is also called a power semiconductor device. There may be multiple power devices 20, and each power device 20 may be equipped with at least one water cooling plate 30. When the power device 20 is running and generates heat, the water cooling plate 30 cools the power device 20. The water cooling pipe 40 is used to transport liquid into the water cooling plate 30.

[0053] For example, Figure 1 As shown, it is assumed that the extension direction of the insulating plate 10 is the first direction X, the thickness direction of the insulating plate 10 is the second direction Y, and the first side 11 and the second side 12 of the insulating plate 10 are distributed along the second direction Y. A plurality of power devices 20 are provided, and each power device 20 can be equipped with a water cooling plate 30. All power devices 20 and the water cooling plate 30 are arranged on the first side 11 of the insulating plate 10, and the water cooling pipeline 40 is mainly arranged on the second side 12 of the insulating plate 10, extending from the second side 12 to the first side 11, and passing through the insulating plate 10 and communicating with the water cooling plate 30.

[0054] The water cooling pipeline 40 may include a main water pipe and a soft water pipe. The main water pipe may be made of PVDF, which generally refers to polyvinylidene fluoride and is a highly non-reactive thermoplastic fluorinated polymer. PVDF has chemical corrosion resistance, high temperature resistance and excellent electrical properties. The soft water pipe may be made of FEP, which generally refers to fluorinated ethylene propylene copolymer. FEP itself does not ignite, can prevent the spread of flames, and has excellent wear resistance and other properties.

[0055] When the water cooling pipeline 40 is specifically assembled, one end of the FEP soft water pipe can be provided with a waterproof hole 15 and equipped with a stainless steel joint, and fixed to the water cooling plate 30 through the stainless steel joint. The other end of the FEP soft water pipe can be connected to the PVDF main water pipe through a PVDF joint. It should be noted that each joint is equipped with a sealing ring to improve the sealing of the connection.

[0056] The fluid in the water cooling pipeline 40 may flow through the PVDF main water pipe and the FEP soft water pipe in sequence and then flow into the water cooling plate 30 .

[0057] When the power device 20 is running, it will dissipate heat. Since the water cooling pipe 40 can transport liquid to the water cooling plate 30, the water cooling plate 30 can cool the power device 20 to reduce the temperature of the power device 20, thereby reducing the probability of the power device 20 exploding due to its own excessive temperature.

[0058] Since the insulating plate 10 itself has flame retardant properties and is disposed between the power device 20 and the water cooling pipeline 40 located on the second side 12. In addition, most of the water cooling pipeline 40 is located on the second side 12, and a small part of the water cooling pipeline 40 is located on the first side 11. If the power device 20 explodes during operation, the insulating plate 10 can prevent the fragments generated by the explosion of the power device 20 from splashing toward the second side 12, thereby reducing the probability that the fragments directly impact the water cooling pipeline 40 located on the second side 12, and cause the water cooling pipeline 40 on the second side 12 to be damaged, thereby affecting the normal operation of the water cooling pipeline 40 and the water cooling plate 30.

[0059] In summary, since the power device 20 is disposed on the first side 11 of the insulating plate 10, and the water cooling pipe 40 extends from the second side 12 to the first side 11 and penetrates the insulating plate 10, the insulating plate 10 can block the fragments of the power device 20 that are splashed toward the second side 12 after the explosion, thereby reducing the probability that the fragments will have a positive impact on most of the water cooling pipes 40 and cause the water cooling pipes 40 to be damaged and fail. Therefore, the water cooling pipes 40 located on the second side 12 can be effectively protected, and the explosion-proof effect of the valve assembly 100 is improved.

[0060] like Figure 3 and Figure 4 As shown, in some embodiments, the insulating plate 10 includes a plate body 13 and a connection barrier portion 14, the connection barrier portion 14 protrudes from the plate body 13 and is located between the plate body 13 and the water-cooled plate 30, the plate body 13 is assembled on the water-cooled plate 30 through the connection barrier portion 14, and the potential of the connection barrier portion 14 is the same as the potential of the water-cooled plate 30.

[0061] The connection barrier 14 can be made of insulating material, and its shape can be, but is not limited to, cylindrical. The connection between the connection barrier 14 and the plate body 13 can be integrally formed or detachable. The connection between the connection barrier 14 and the water-cooled plate 30 can be, but is not limited to, threaded connection or clamping.

[0062] In actual use, when the insulating plate 10 and the water-cooling plate 30 are assembled together, assuming that the potential of the water-cooling plate 30 is negative, the potential of the connection blocking portion 14 is the same as that of the water-cooling plate 30 and is also negative.

[0063] For example, when there are multiple water-cooling plates 30, the connection barrier 14 can be assembled with the water-cooling plates 30 with the same potential. In this case, the insulating plate 10 is not only fixed on the water-cooling plate 30, because the potential of the insulating plate 10 is the same as that of the water-cooling plate 30, but also the connection barrier 14 is protruding from the plate body 13, so there can be a sufficient distance between the plate body 13 and the water-cooling plate 30 with a positive potential, and the creepage distance is increased, which can improve the electrical insulation problem and meet the electrical safety insulation requirements of the insulating plate 10.

[0064] Please continue reading Figure 4 In some embodiments, the plate body 13 is provided with a mounting through hole 131 , the connecting barrier 14 is connected to the mounting through hole 131 , and the connecting barrier 14 and the plate body 13 are mounted on the water cooling plate 30 through a locking member.

[0065] The locking member may be, but is not limited to, a bolt, a buckle, or other parts, and may be made of metal materials. For example, the bolt may penetrate the mounting through hole 131 and the connection barrier 14 in sequence, thereby fixing the connection barrier 14 and the plate 13 to the water-cooled plate 30 together. Because the bolt is a metal part, when the power device 20 is in operation, its creepage path is roughly as follows: first, it moves from the first side 11 to the second side 12 on the surface of the connection barrier 14, and then bypasses the surface of the plate 13 and continues to move to the second side 12.

[0066] In this way, the creepage distance is increased by cooperating with the connecting barrier 14, the mounting through hole 131 and the locking member, thereby improving the insulation of the insulating plate 10, meeting the electrical safety insulation requirements of the insulating plate 10, and simplifying the structure and processing difficulty of the insulating plate 10.

[0067] like Figure 4 As shown, in some embodiments, the connection barrier 14 is bonded to the plate 13 .

[0068] For example, in Figure 4 In the example shown, a slot can be provided on the second side 12 of the plate body 13, and the slot does not penetrate the plate body 13. After the connection barrier 14 is inserted into the slot, a portion of the connection barrier 14 is exposed outside the slot, and another portion of the connection barrier 14 is embedded in the slot and abuts against the slot wall of the slot. Glue can also be provided at the contacting portion between the slot and the connection barrier 14 to bond the two together.

[0069] In this way, the plate body 13 and the connection barrier 14 are divided into two detachable parts, and the connection barrier 14 is clamped on the plate body 13 by using a clamping slot, which simplifies the connection method between the plate body 13 and the connection barrier 14. When either the connection barrier 14 or the plate body 13 is damaged, the damaged one can be replaced, which reduces the maintenance cost of the insulation board 10.

[0070] It is understandable that in other embodiments, the connection barrier 14 and the plate body 13 may be detachably connected. For example, the connection barrier 14 and the plate body 13 may be threadedly connected, clamped, etc. This arrangement facilitates the disassembly of the connection barrier 14 and the plate body 13.

[0071] Please continue reading Figure 4The mounting through hole 131 provided in the plate body 13 can be arranged opposite to the card slot, that is, in the direction perpendicular to the thickness of the plate body 13, the orthographic projection range of the mounting through hole 131 falls within the orthographic projection range of the card slot.

[0072] See also Figure 4 and Figure 5 In some embodiments, the insulating plate 10 includes a plurality of connection blocking portions 14, and the plurality of connection blocking portions 14 are spaced apart along the extension direction of the insulating plate 10, that is, the first direction X. When different connection blocking portions 14 of the insulating plate 10 are connected to different water-cooling plates 30, because the different water-cooling plates 30 connected to the connection blocking portions 14 have the same potential, all the connection blocking portions 14 are at the same potential.

[0073] For example, in Figure 5 In the example shown, three connection blocking portions 14 are respectively provided at both ends of the insulating plate 10 along the first direction X. At each end of the insulating plate 10, two adjacent connection blocking portions 14 are spaced apart. When the insulating plate 10 and the cold water plate are assembled together, because a plurality of connection blocking portions 14 are provided at both ends of the insulating plate 10, and the potential of all the connection blocking portions 14 is the same, the insulating plate 10 can be installed from multiple directions, thereby improving the installation stability of the insulating plate 10 after being assembled to the cold water plate.

[0074] It should be noted that the location and number of the connection barrier parts 14 can be adjusted according to actual conditions, as long as all the connection barrier parts 14 can be connected to the water-cooled plate 30 at the same potential so that the potential of all the connection barrier parts 14 is the same.

[0075] In some embodiments, Figure 5 As shown, a waterproof hole 15 is opened on the insulating plate 10 , and the water cooling pipeline 40 passes through the waterproof hole 15 and is connected to the water cooling plate 30 .

[0076] When water leaking from the water-cooling pipeline 40 falls into the waterproof hole 15 , the waterproof hole 15 can block the water from flowing toward the power device 20 , thereby reducing the probability of water entering the power device 20 and protecting the power device 20 .

[0077] Specifically, in some embodiments, the diameter of the waterproof hole 15 gradually increases from the first side 11 to the second side 12 .

[0078] Because the aperture of the waterproof hole 15 gradually increases from the first side 11 to the second side 12, and the power device 20 is arranged on the first side 11 of the insulating plate 10, when water leaking from the water-cooling pipeline 40 falls onto the hole wall of the waterproof hole 15, the water can flow along the hole wall of the waterproof hole 15 to the second side 12 of the insulating plate 10 under the action of its own gravity.

[0079] In this way, the structure of the waterproof hole 15 is designed so that the waterproof hole 15 can be used to guide the liquid falling on its hole wall to flow toward the second side 12, thereby reducing the probability that the water falls on the power device 20 through the waterproof hole 15 and affects the normal operation of the power device 20.

[0080] Specifically in some embodiments, such as Figure 4 As shown, the hole wall structure of the waterproof hole 15 is stepped, and the hole diameter of the waterproof hole 15 close to the first side 11 is smaller than the hole diameter of the waterproof hole 15 close to the second side 12 .

[0081] A stainless steel joint can be provided at the waterproof hole 15, and the joint is a component that connects the FEP soft water pipe of the water cooling pipeline 40 and the water cooling plate 30. The location of the joint is also the location where the water cooling pipeline 40 is prone to leakage. The hole wall structure of the waterproof hole 15 is set to a step shape, which can achieve drainage of the waterproof hole 15 on the one hand, and increase the contact area between the joint and the insulating plate 10 on the other hand, thereby improving the connection stability between the two.

[0082] See also Figure 6 and Figure 1 In some embodiments, the water cooling plate 30 and the power device 20 are cross-stacked along the first direction X, the insulating plate 10 extends along the first direction X, and the insulating plate 10 is connected to at least a portion of the water cooling plate 30 .

[0083] For example, in Figure 1 In the example shown, six water-cooling plates 30 may be provided, all of which are spaced apart along the first direction X, and a power device 20 is provided between two adjacent water-cooling plates 30. The insulating plate 10 and the water-cooling plates 30 are distributed along the second direction Y, and the insulating plate 10 includes two ends that are oppositely arranged along the first direction X, and each end is provided with a connection barrier 14, and the insulating plate 10 is connected to the corresponding water-cooling plate 30 through the connection barrier 14.

[0084] It should be noted that, in other embodiments, the insulating plate 10 may also be provided with a connection barrier 14 at other locations except the end portions, which will not be described in detail herein.

[0085] In this way, the water cooling plates 30 and the power devices 20 are arranged in a cross-stacked manner, so that the space occupied by the water cooling plates 30 and the power devices 20 can be reduced as much as possible without affecting the function of the insulating plate 10 .

[0086] Please continue reading Figure 1 In some embodiments, the valve assembly 100 has two ends that are oppositely arranged along the first direction X, each end is provided with a water cooling plate 30, and each water cooling plate 30 is respectively connected to a different part of the insulation plate 10.

[0087] In this way, by connecting the two ends of the insulating plate 10 to different water cooling plates 30 , the number of mounting components on the insulating plate 10 can be reduced as much as possible without affecting the mounting stability of the insulating plate 10 , thereby reducing the difficulty of processing.

[0088] In some embodiments, the insulation board 10 is constructed as a flame retardant. For example, the flame retardant standard that the insulation board 10 complies with is UL94-V0. The UL94 rating is the most widely used flammability standard for plastic materials, which can be used to evaluate whether the material's ability to extinguish after being ignited meets the flame retardant requirements.

[0089] When the insulating plate 10 has a certain flame retardant capability, the occurrence of accidents can be further reduced, thereby improving the safety of the valve assembly 100.

[0090] See also Figure 6 Some embodiments of the present application further provide a power module 1000. The power module 1000 includes the valve assembly 100 in any of the above embodiments.

[0091] The power module 1000 in the embodiment of the present application has the effect of the valve assembly 100 because the valve assembly 100 has an explosion-proof effect. For the valve assembly 100, please refer to the relevant contents recorded above, which will not be repeated here.

[0092] Some embodiments of the present application further provide an energy storage valve, which includes the power module 1000 in any of the above embodiments. For the energy storage valve, please refer to the relevant contents recorded above, which will not be repeated here.

[0093] Specifically to an embodiment, Figure 1 As shown, the valve assembly 100 may include a frame 50, a power device 20, a water cooling plate 30, a water cooling pipeline 40 and an insulating plate 10. The water cooling plates 30 and the power devices 20 are staggered along the first direction X, and the number of water cooling plates 30 provided may be six, and one power device 20 is provided between two adjacent water cooling plates 30.

[0094] The frame 50 can be used to install components such as the power device 20, the water cooling plate 30 and the insulation plate 10. Figure 1In the embodiment, the power device 20, the water-cooling plate 30 and the insulating plate 10 can all be installed in the frame 50. The insulating plate 10 is extended along the first direction X, and its thickness direction is the second direction Y, and the second direction Y is perpendicular to the first direction X. Along the second direction Y, the insulating plate 10 includes a first side 11 and a second side 12 that are arranged opposite to each other. All the water-cooling plates 30 and the power devices 20 are located on the first side 11. A plurality of waterproof holes 15 are provided on the insulating plate 10, and the water-cooling pipeline 40 extends from the second side 12 to the first side 11, and penetrates the waterproof holes 15 of the insulating plate 10 to connect with each water-cooling plate 30. Among them, the hole wall of the waterproof hole 15 is stepped, and the hole diameter of the waterproof hole 15 close to the first side 11 is larger than the hole diameter of the waterproof hole 15 on the second side 12.

[0095] In addition, the insulating plate 10 is further provided with a connection barrier 14 and a mounting through hole 131. The connection barrier 14 is protrudingly provided on the surface of the insulating plate 10 close to the first side 11, and the mounting through hole 131 and the connection barrier 14 are arranged opposite to each other. The two ends of the insulating plate 10 opposite to each other along the first direction X are both provided with a connection barrier 14, and the number of connection barrier 14 provided at each end may be 3. Bolts may be passed through each connection barrier 14 and the mounting through hole 131, so as to fix the insulating plate 10 to the water-cooled plate 30 by means of bolts.

[0096] When the valve assembly 100 is in operation, the potential of the frame 50 is the same as that of some of the water-cooling plates 30, and the connection barrier 14 of the insulating plate 10 is connected to these water-cooling plates 30. At this time, the potential of the frame 50, the connection barrier 14, and the water-cooling plates 30 connected to the connection barrier 14 are the same. In this way, the insulating plate 10 can be isolated from electrodes with different potentials, and the insulation requirements can be met without providing grooves or other structures on the insulating plate 10. Because the connection barrier 14 is convex relative to the insulating plate 10, the electrical creepage distance requirements can be met, and there is no need to make the distance between the frame 50 and the insulating plate 10 greater than 25 mm to meet the electrical creepage distance.

[0097] Since the power device 20 is disposed on the first side 11 of the insulating plate 10, and the water cooling pipe 40 extends from the second side 12 to the first side 11 and penetrates the insulating plate 10, the insulating plate 10 can block the fragments of the power device 20 that are splashed toward the second side 12 after the explosion, thereby reducing the probability that the fragments will have a positive impact on most of the water cooling pipes 40 and cause damage and failure of the water cooling pipes 40. Therefore, the water cooling pipes 40 located on the second side 12 can be effectively protected, and the explosion-proof effect of the valve assembly 100 is improved.

[0098] Furthermore, the waterproof hole 15 guides the liquid falling on the hole wall thereof to flow toward the second side 12 , thereby reducing the probability that the water falls on the power device 20 through the waterproof hole 15 , thereby affecting the normal operation of the power device 20 .

[0099] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0100] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A valve assembly, characterized in that: include: an insulating plate having opposing first and second sides; Power devices; A water cooling plate and the power device are arranged on the first side; A water cooling pipeline runs through the first side and the second side of the insulating plate and is in communication with the water cooling plate, wherein the insulating plate is disposed between the water cooling pipeline on the second side and the power device.

2. The valve assembly according to claim 1, characterized in that The insulating plate includes a plate body and a connection barrier portion, wherein the connection barrier portion protrudes from the plate body and is located between the plate body and the water-cooled plate, the plate body is assembled on the water-cooled plate through the connection barrier portion, and the potential of the connection barrier portion is the same as that of the water-cooled plate.

3. The valve assembly according to claim 2, characterized in that The plate body is provided with a mounting through hole, the connection blocking portion is communicated with the mounting through hole, and the connection blocking portion and the plate body are mounted on the water cooling plate through a locking member.

4. The valve assembly according to claim 2, characterized in that The connection blocking portion is bonded to the plate body.

5. The valve assembly according to claim 2, characterized in that The connection blocking portion and the plate body are detachably connected.

6. The valve assembly according to claim 2, characterized in that The insulating plate comprises a plurality of connection blocking portions, the plurality of connection blocking portions are distributed at intervals along an extension direction of the insulating plate, and all the connection blocking portions are at the same potential.

7. The valve assembly according to any one of claims 1 to 6, characterized in that: The insulating plate is provided with a penetrating waterproof hole, and the water cooling pipeline passes through the waterproof hole and is connected to the water cooling plate.

8. The valve assembly according to claim 7, characterized in that Along the direction from the first side to the second side, the aperture of the waterproof hole gradually increases.

9. The valve assembly according to claim 7, characterized in that The hole wall structure of the waterproof hole is in a step shape, and the hole diameter of the waterproof hole close to the first side is smaller than the hole diameter of the waterproof hole close to the second side.

10. The valve assembly according to any one of claims 1 to 6, characterized in that: The water cooling plate and the power device are cross-stacked along a first direction, the insulating plate extends along the first direction, and the insulating plate is connected to at least a portion of the water cooling plate.

11. The valve assembly according to claim 10, characterized in that The valve assembly has two ends arranged opposite to each other along the first direction, each end is provided with a water cooling plate, and each water cooling plate is connected to the insulating plate respectively.

12. The valve assembly according to any one of claims 1 to 6, characterized in that: The insulation plate is configured as a flame retardant.

13. A power module, characterized in that: The invention comprises the valve assembly according to any one of claims 1 to 12.

14. An energy storage valve comprising the power module according to claim 13.

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