Battery device and electric equipment
The battery device comes with its own cooling module to supply cooling medium to the cooling parts, which solves the problems of poor cooling targeting and high cost in the battery device, and achieves an efficient and low-cost cooling effect.
Patent Information
- Application Number
- CN202520668224.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2035-04-10
AI Technical Summary
The cooling of electronic components in existing battery devices is poor in nature and has high cooling costs, especially the copper bar in the high-pressure box needs to increase the length of contact with the water-cooled plate to dissipate heat, resulting in low cooling efficiency and high cost.
The cooling module provided by the battery device is used to supply cooling medium to the cooling parts. The cooling parts are fixed to the surface of the electronic components and cooled through the cooling parts. The size and number of the cooling parts can be flexibly adjusted to meet the needs. The cooling runner design is compact and the medium recycling rate is high.
It achieves high-efficiency cooling effect without increasing the length of electronic components and contacting the water-cooled plate to dissipate heat, reducing cost and weight, good cooling targetedness and high cooling efficiency.
Smart Images
Figure CN223052204U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of battery technology, and in particular to a battery device and an electrical equipment. Background Art
[0002] With the popularization and promotion of new energy vehicles, the charging and discharging performance, endurance, etc. of new energy vehicles are increasingly attracting people's attention and attention. Batteries, as the power source of new energy vehicles, are widely used.
[0003] During the use of the battery, the temperature of the electronic components in the box (such as the copper bar in the high-voltage box) rises, and there is an extremely high demand for heat dissipation. In order to reduce the temperature of the electronic components in the box, a water cooling plate is installed in the box. The water cooling plate is located at the bottom of the high-voltage box. Since most electronic components are located at the top of the high-voltage box, it is necessary to increase the length of the electronic components and contact the water cooling plate at the bottom of the high-voltage box for heat dissipation. The cooling is poorly targeted and the cooling cost is high. Utility Model Content
[0004] Based on this, it is necessary to provide a battery device and electrical equipment to address the problems of poor cooling performance and high cooling cost of electronic components of existing batteries.
[0005] A battery device includes a battery cell and an electronic component electrically connected to the battery cell, a cooling module and a cooling member, wherein the cooling module is used to cool the battery cell, and the cooling member can be fixed on the electronic component and used to cool the electronic component; wherein the cooling member has a cooling channel and a cooling inlet and a cooling outlet connected to the cooling channel, the cooling inlet is connected to the module outlet of the cooling module, and the cooling outlet is connected to the module inlet of the cooling module. The above-mentioned battery device uses the cooling module of the battery device to supply cooling medium to the cooling member, and then fixes the cooling member on the surface of the electronic component, and cools the electronic component through the cooling member, with good cooling effect and high cooling efficiency, and there is no need to increase the length of the electronic component to contact the water cooling plate at the bottom of the high-voltage box for heat dissipation, and there is no need to set the water cooling plate at the bottom of the high-voltage box, which is conducive to reducing costs and weight; the size of the cooling member can be flexibly adjusted based on cooling needs, and the number of cooling members can be flexibly arranged based on cooling needs, so that it can be attached wherever there is a need, and the cooling is well targeted.
[0006] In some embodiments, the cooling element includes a cooling body and a pipe assembly, the cooling channel, the cooling inlet and the cooling outlet are all arranged in the cooling body, the cooling inlet is connected to the module outlet through the pipe assembly, and the cooling outlet is connected to the module inlet through the pipe assembly. In this way, the pipe assembly can connect the cooling body and the cooling module, so that the cooling medium circulates between the cooling body and the cooling module, so that the cooling module smoothly supplies liquid to the cooling element, and the cooling medium in the cooling element flows back to the cooling module after cooling the electronic components, thereby improving the resource reuse rate and effectively saving costs.
[0007] In some embodiments, the cooling body includes a main body portion, which is configured as a sheet structure having a cooling channel. In this way, the main body portion is a sheet structure, and the main body portion can better fit the surface of the electronic component, increase the contact area between the main body portion and the surface of the electronic component, and help improve the cooling efficiency of the electronic component.
[0008] In some embodiments, the main body includes a first main body and a second main body that can cover each other, and the cooling channel is provided in the second main body and / or the first main body. In this way, a closed cooling channel can be formed on the main body, so that the cooling medium can flow in the cooling channel, and the main body has a compact structure and a reasonable design, thereby improving space utilization.
[0009] In some embodiments, the second body has a first side and a second side disposed opposite to each other along a first direction, the second side is fixed to the surface of the electronic component, the first body is covered on the first side, and the first direction is the height direction of the battery device; the cooling channel is constructed as a structure protruding from the first body along the first direction away from the second body. In this way, the cooling channel is a structure protruding from the first body toward a side away from the second body, and the second body is fixed to the surface of the electronic component, which can make the main body and the surface of the electronic component fit better, and maximize the flow space of the cooling channel to improve the cooling efficiency.
[0010] In some embodiments, the cooling body further includes an auxiliary fixing portion, which is disposed on the body and used to assist in fixing the body and the electronic components. Thus, the provision of the auxiliary fixing portion enables the cooling body to be better fixed to the surface of the electronic components, which is beneficial for rapid assembly and rapid cooling.
[0011] In some embodiments, the auxiliary fixing portion is any one of a clip, a binding tape or an adhesive layer. In this way, the cooling body can be better fixed to the surface of the electronic component, which is conducive to rapid assembly.
[0012] In some embodiments, the cooling body further includes a first joint and a second joint, the first joint and the second joint are convexly arranged on the same side of the main body and are spaced apart, the cooling inlet is arranged in the first joint, and the cooling outlet is arranged in the second joint. In this way, the cooling inlet and the cooling outlet can be formed on the same side of the main body, which is convenient for liquid inlet and outlet and improves the space utilization of the main body.
[0013] In some embodiments, the pipeline assembly includes an input main circuit, an input branch circuit, an output main circuit and an output branch circuit, the outlet end of the input branch circuit is connected to the first joint, and the inlet end of the output branch circuit is connected to the second joint; the input main circuit is connected to the inlet end of the input branch circuit and the module outlet, and the output main circuit is connected to the outlet end of the output branch circuit and the module inlet. In this way, after the cooling medium in the cooling module is diverted to each cooling element through the pipeline assembly, the cooling medium in each cooling element is then returned to the cooling module through the pipeline assembly, so that the cooling medium circulates between the cooling body and the cooling module, thereby improving the resource reuse rate and effectively saving costs.
[0014] In some embodiments, the number of cooling bodies is at least two, and the first joint of each cooling body is correspondingly provided with an input branch, and the second joint of each cooling body is correspondingly provided with an output branch; the input main road connects the inlet end of each input branch and the module outlet, and the output main road connects the outlet end of each output branch and the module inlet. In this way, the number of cooling bodies is at least two, and the cooling medium can be diverted to each cooling body by using the same input main road, and the cooling medium of each output branch can be returned to the cooling module by using the same output main road, which is conducive to simplifying the structure of the pipeline assembly and improving the cooling efficiency and cooling effect.
[0015] In some embodiments, the input main line, the input branch line, the output main line and the output branch line are all flexible pipes. In this way, each pipe uses a flexible material, which reduces the cost and facilitates the flexible arrangement and assembly of each pipe.
[0016] In some embodiments, the input main circuit, the input branch circuit, the output main circuit and the output branch circuit are respectively provided with control components, and the control components are used to control the flow rate of the cooling medium. In this way, the flow rate of the cooling medium in the patch cooling unit can be flexibly adjusted according to the actual cooling demand, which is conducive to energy saving and efficient cooling.
[0017] In some embodiments, the battery device further includes a box, the number of battery cells is at least two, and each battery cell is arranged side by side in the box along the second direction, and the second direction is the length direction of the battery device; the cooling module includes a cooling plate, and the cooling plate is arranged on at least one side of any battery cell along the second direction. The cooling plate has a channel for the flow of cooling medium, the module inlet is the inlet of the channel, and the module outlet is the outlet of the channel. In this way, the cooling module of the battery device can be used to supply cooling medium to the cooling element, and the cooling effect and cooling efficiency are good. There is no need to increase the length of the electronic components and contact the water cooling plate at the bottom of the high-voltage box for heat dissipation, and there is no need to set a water cooling plate at the bottom of the high-voltage box, which is conducive to reducing costs and weight.
[0018] An electrical device includes the above-mentioned battery device. The above-mentioned electrical device uses the cooling module of the battery device to supply cooling medium to the cooling element, and then fixes the cooling element on the surface of the electronic component, and cools down the electronic component through the cooling element, with good cooling effect and high cooling efficiency, and no need to increase the length of the electronic component to contact with the water cooling plate at the bottom of the high-voltage box for heat dissipation, and no need to set up the water cooling plate at the bottom of the high-voltage box, which is conducive to reducing costs and weight; the size of the cooling element can be flexibly adjusted based on cooling needs, and the number of cooling elements can be flexibly arranged based on cooling needs, so that it can be attached wherever there is a need, and the cooling is well targeted. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of electrical equipment in some embodiments of the present application.
[0020] Figure 2 Schematic diagram of a battery device in some embodiments of the present application.
[0021] Figure 3 This is a schematic diagram of the combination of a cooling element and a high-voltage box in some embodiments of the present application.
[0022] Figure 4 for Figure 3 A top view of the combination of the cooling element and the high-voltage box is shown.
[0023] Figure 5 for Figure 3 Schematic diagram of the cooling element shown.
[0024] Figure 6 for Figure 5 A schematic diagram of a cooling body in the cooling element shown in the first perspective.
[0025] Figure 7 for Figure 6 A schematic diagram of the cooling body from a second perspective is shown.
[0026] Figure 8 for Figure 6 A top view of the cooling body is shown.
[0027] Reference numerals:
[0028] 10. Vehicle; 11. Controller; 12. Motor; 20. Battery device; 22. Battery cell; 23. High-voltage box; 24. Copper bus; 100. Box; 100a. First part; 100b. Second part; 300. Cooling element; 301. Cooling channel; 302. Cooling inlet; 303. Cooling outlet; 310. Cooling body; 311. Main body; 311a. First body; 311b. Second body; 312. Auxiliary fixing part; 313. First joint; 314. Second joint; 320. Pipeline assembly; 321. Input main line; 322. Input branch line; 323. Output main line; 324. Output branch line. DETAILED DESCRIPTION
[0029] 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.
[0030] 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.
[0031] In the description of the embodiments of the present application, the technical terms "first", "second", etc. 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.
[0032] 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.
[0033] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. 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, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.
[0034] In the description of the embodiments of the present application, 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).
[0035] In the description of the embodiments of the present application, 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 orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do 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 should not be understood as a limitation on the embodiments of the present application.
[0036] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0037] With the popularization and promotion of new energy vehicles, the charging and discharging performance, endurance, etc. of new energy vehicles are increasingly attracting people's attention and attention. Batteries, as the power source of new energy vehicles, are widely used.
[0038] During the use of the battery, the temperature of the electronic components in the box (such as the copper bar in the high-voltage box) rises, and there is an extremely high demand for heat dissipation. In order to reduce the temperature of the electronic components in the box, a water cooling plate is installed in the box. The water cooling plate is located at the bottom of the high-voltage box. Since most electronic components are located at the top of the high-voltage box, it is necessary to increase the length of the electronic components and contact the water cooling plate at the bottom of the high-voltage box for heat dissipation. The cooling is poorly targeted and the cooling cost is high.
[0039] Based on the above considerations and after in-depth research, the present application has designed a battery device and electrical equipment, which utilizes the cooling module of the battery device to supply cooling medium to the cooling element, and then fixes the cooling element on the surface of the electronic component. The electronic component is cooled and cooled by the cooling element, and the cooling effect is good and the cooling efficiency is high. There is no need to increase the length of the electronic component and contact it with the water-cooling plate at the bottom of the high-voltage box for heat dissipation, and there is no need to set a water-cooling plate at the bottom of the high-voltage box, which is beneficial to reducing cost and weight. The size of the cooling element can be flexibly adjusted based on cooling needs, and the number of cooling elements can be flexibly arranged based on cooling needs, so that it can be attached wherever there is a need, and the cooling is well targeted.
[0040] The embodiment of the present application provides an electric device using a battery as a power source, and the electric device may be, but is not limited to, a mobile phone, a tablet, a laptop, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft, etc. Among them, the electric toy may include a fixed or mobile electric toy, for example, a game console, an electric car toy, an electric ship toy, an electric airplane toy, etc., and the spacecraft may include an airplane, a rocket, a space shuttle, a spacecraft, etc.
[0041] For the convenience of description, the following embodiments are described by taking a vehicle 10 as an example of an electrical device in an embodiment of the present application.
[0042] Please refer to Figure 1 The vehicle 10 may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery device 20 is provided inside the vehicle 10, and the battery device 20 may be provided at the bottom, head or tail of the vehicle 10. The battery device 20 may be used to power the vehicle 10, for example, the battery device 20 may be used as an operating power source for the vehicle 10. The vehicle 10 may also include a controller 11 and a motor 12, and the controller 11 is used to control the battery device 20 to power the motor 12, for example, for the starting, navigation and driving power requirements of the vehicle 10. In other embodiments of the present application, the battery device 20 may not only be used as an operating power source for the vehicle 10, but also as a driving power source for the vehicle 10, replacing or partially replacing fuel or natural gas to provide driving force for the vehicle 10.
[0043] Please refer to Figures 2 to 6In one embodiment, the battery device 20 includes a battery cell 22 and electronic components electrically connected to the battery cell 22, a cooling module and a cooling member 300. The cooling module is used to cool the battery cell 22. The cooling member 300 can be fixed on the electronic components and used to cool the electronic components. The cooling member 300 has a cooling channel 301 and a cooling inlet 302 and a cooling outlet 303 connected to the cooling channel 301. The cooling inlet 302 is connected to the module outlet of the cooling module, and the cooling outlet 303 is connected to the module inlet of the cooling module.
[0044] It should be noted that the cooling medium in the cooling module can be diverted to the cooling element 300. After the cooling element 300 performs heat exchange with the electronic components, the cooling medium in the cooling element 300 flows back to the cooling module, that is, the cooling medium circulates between the module outlet, the cooling inlet 302, the cooling channel 301, the cooling outlet 303, and the module inlet. Optionally, the cooling medium can be a liquid or gaseous substance, for example, the cooling medium is a liquid coolant.
[0045] In the embodiment of the present application, there may be multiple battery cells 22, and the multiple battery cells 22 may be connected in series, in parallel, or in a mixed connection. The mixed connection means that the multiple battery cells 22 are both connected in series and in parallel. Multiple battery cells 22 may be directly connected in series, in parallel, or in a mixed connection, and then the whole formed by the multiple battery cells 22 is accommodated in the box 100; of course, the battery device 20 may also be a battery module formed by connecting multiple battery cells 22 in series, in parallel, or in a mixed connection, and then the multiple battery modules are connected in series, in parallel, or in a mixed connection to form a whole, and accommodated in the box 100. Among them, each battery cell 22 may be a secondary battery or a primary battery; it may also be a lithium-sulfur battery, a sodium-ion battery, or a magnesium-ion battery, but it is not limited thereto. The battery cell 22 may be cylindrical, flat, rectangular, or in other shapes. The battery cell 22 may include a lithium-ion secondary battery, a lithium-ion primary battery, a lithium-sulfur battery, a sodium-lithium-ion battery, a sodium-ion battery, or a magnesium-ion battery, etc., and the embodiment of the present application is not limited thereto. The battery cell 22 may be cylindrical, flat, rectangular or in other shapes, and the present embodiment of the present application is not limited thereto.
[0046] In the embodiments of this application, reference is made to Figure 3 and Figure 4 , the electronic components are copper bars, for example, the battery device 20 further includes a high voltage box 23, and the battery cell 22 is electrically connected to other components through the copper bars.
[0047] In the embodiment of the present application, the cooling module is a component used to cool the battery cell 22. The cooling module can adopt various structures. The cooling module can be a water-cooled plate or a combination of a water-cooled plate and other components.
[0048] In an embodiment of the present application, the cooling member 300 is a structure that can be fixed on an electronic component and used to cool the electronic component. The cooling member 300 can be fixed to the surface of the electronic component in a variety of ways, such as by pasting, clamping, etc. with a thermally conductive double-sided adhesive; the cooling member 300 is a sheet structure so that the cooling member 300 can better fit the surface of the electronic component, and the outer contour of the sheet structure can be square, circular or other shapes. The size of the cooling member 300 can be flexibly adjusted based on the cooling requirements, and the number of cooling members 300 can be flexibly arranged based on the cooling requirements, so that it can be attached wherever it is needed.
[0049] In the embodiment of the present application, the cooling channel 301 is a structure for cooling medium to flow. The cooling channel 301 can be a continuous and curved channel (for example, S-shaped, W-shaped or other curved shapes), or a flat cavity. The shape of the cooling channel 301 is not limited here.
[0050] The above-mentioned battery device 20 utilizes the cooling module of the battery device 20 to supply cooling medium to the cooling member 300, and then fixes the cooling member 300 on the surface of the electronic components. The electronic components are cooled by the cooling member 300, and the cooling effect is good and the cooling efficiency is high. There is no need to increase the length of the electronic components and contact them with the water-cooling plate at the bottom of the high-voltage box for heat dissipation, and there is no need to set a water-cooling plate at the bottom of the high-voltage box, which is beneficial to reducing costs and weight. The size of the cooling member 300 can be flexibly adjusted based on cooling needs, and the number of cooling members 300 can be flexibly arranged based on cooling needs, so that they can be attached wherever there is a need, and the cooling is well targeted.
[0051] According to some embodiments of this application, please refer to Figure 5 The cooling element 300 includes a cooling body 310 and a pipe assembly 320 . The cooling channel 301 , the cooling inlet 302 and the cooling outlet 303 are all arranged on the cooling body 310 . The cooling inlet 302 is connected to the module outlet through the pipe assembly 320 , and the cooling outlet 303 is connected to the module inlet through the pipe assembly 320 .
[0052] In the embodiment of the present application, the cooling body 310 is a component for providing a space for the cooling medium, and the cooling body 310 can adopt a variety of structures. Among them, the number of cooling bodies 310 is not limited to one, and the number and size of the cooling bodies 310 can be flexibly adjusted based on cooling requirements.
[0053] In the embodiment of the present application, the pipe assembly 320 is a component for connecting the cooling inlet 302 of the cooling element 300 to the module outlet of the cooling module, and connecting the cooling outlet 303 to the module inlet of the cooling module. The pipe assembly 320 can be in various structural forms, that is, the pipe assembly 320 can include multiple pipes, and the corresponding pipes are connected to the corresponding interfaces to allow the cooling medium to circulate between the cooling element 300 and the cooling module. Among them, the flow design of the pipe assembly 320 can be flexibly adjusted based on the cooling demand.
[0054] Through the above-mentioned setting, the pipe assembly 320 can connect the cooling body 310 and the cooling module, so that the cooling medium circulates between the cooling body 310 and the cooling module, so that the cooling module can smoothly supply liquid to the cooling part 300, and the cooling medium in the cooling part 300 flows back to the cooling module after cooling the electronic components, thereby improving the resource reuse rate and effectively saving costs.
[0055] According to some embodiments of this application, please refer to Figures 6 to 8 The cooling body 310 includes a main body portion 311 , and the main body portion 311 is configured as a sheet structure having a cooling flow channel 301 .
[0056] In the embodiment of the present application, the main body 311 is a sheet-like structure so that the main body 311 can better fit the surface of the electronic component. The outer contour of the sheet-like structure can be square, circular or other shapes.
[0057] Through the above arrangement, the main body 311 is a sheet-like structure, and the main body 311 can better fit the surface of the electronic component, thereby increasing the contact area between the main body 311 and the surface of the electronic component, which is beneficial to improving the cooling efficiency of the electronic component.
[0058] According to some embodiments of this application, please refer to Figures 6 to 8 The main body 311 includes a first main body 311a and a second main body 311b that can cover each other, and the cooling channel 301 is provided in the second main body 311b and / or the first main body 311a.
[0059] In the embodiments of the present application, the first main body 311a and the second main body 311b are covered with each other, and the first main body 311a and the second main body 311b jointly define a closed cooling flow channel 301. The first main body 311a may be a hollow structure with an opening on one side, and the second main body 311b may be a plate-like structure. The second main body 311b is covered on the opening side of the first main body 311a so that the first main body 311a and the second main body 311b jointly define a closed cooling flow channel 301; the first main body 311a and the second main body 311b may also both be hollow structures with an opening on one side, and the opening side of the first main body 311a is covered on the opening side of the second main body 311b. Among them, the outer contours of the first main body 311a and the second main body 311b may be various shapes, such as square, circular or other shapes.
[0060] In the embodiments of the present application, the first main body 311a and the second main body 311b may be a split structure. For example, the first main body 311a and the second main body 311b are detachably connected by means of snap connection, plug connection or threaded connection, etc.; the first main body 311a and the second main body 311b may also be an integral structure. For example, the first main body 311a and the second main body 311b are integrally formed by means of injection molding, casting, etc.
[0061] Through the above settings, a closed cooling flow channel 301 can be formed on the main body portion 311, so that the cooling medium can flow in the cooling flow channel 301, and the main body portion 311 has a compact structure and a reasonable design, improving the space utilization rate.
[0062] According to some embodiments in the present application, please refer to Figures 6 to 8 , the second main body 311b has a first side and a second side arranged opposite to each other along a first direction. The second side is fixed on the surface of the electronic component, and the first main body 311a is covered on the first side. The first direction is the height direction of the battery device 20; the cooling flow channel 301 is configured as a structure protruding from the first main body 311a along the first direction away from the second main body 311b.
[0063] It should be noted that the first direction is Figures 6 to 8 the Z direction shown, that is, the height direction of the battery device 20.
[0064] In the embodiments of the present application, the cooling flow channel 301 is arranged in the first main body 311a, and the cooling flow channel 301 is configured as a structure protruding from the first main body 311a along the first direction away from the second main body 311b, that is, the cooling flow channel 301 is a structure protruding upward along the Figure 1 Z direction shown.
[0065] In the embodiments of the present application, the second main body 311b and the first main body 311a can be made of metal material, which can dissipate heat quickly and is beneficial to enhancing the cooling effect; the second main body 311b and the first main body 311a can also be made of plastic material or other materials.
[0066] Through the above arrangement, the cooling channel 301 is a structure protruding from the first main body 311a toward the side away from the second main body 311b. The second main body 311b is fixed on the surface of the electronic component, which can make the main body portion 311 better fit the surface of the electronic component and maximize the flow-through space of the cooling channel 301 as much as possible, so as to improve the cooling efficiency.
[0067] According to some embodiments in the present application, please refer to Figures 6 to 8 , the cooling main body 310 further includes an auxiliary fixing portion 312, which is arranged on the main body portion 311 and is used to assist in fixing the main body portion 311 and the electronic component.
[0068] In the embodiments of the present application, the auxiliary fixing portion 312 is a component for assisting in fixing the main body portion 311 and the electronic component. The auxiliary fixing portion 312 can be arranged on the second main body 311b and / or the first main body 311a of the main body portion 311. Preferably, the auxiliary fixing portion 312 is arranged on the side of the second main body 311b facing away from the first main body 311a, which can make the side of the second main body 311b facing away from the first main body 311a better fit the surface of the electronic component and is beneficial to rapid cooling.
[0069] In the embodiments of the present application, the auxiliary fixing portion 312 and the main body portion 311 can be of a split structure. For example, the auxiliary fixing portion 312 and the main body portion 311 are detachably connected by means of snap connection, plug connection or screw connection, etc.; the auxiliary fixing portion 312 and the main body portion 311 can also be of an integral structure. For example, the auxiliary fixing portion 312 and the main body portion 311 are integrally formed by means of injection molding, casting, etc.
[0070] Through the above arrangement, the setting of the auxiliary fixing portion 312 can make the cooling main body 310 better fixed on the surface of the electronic component, which is beneficial to rapid assembly and rapid cooling.
[0071] According to some embodiments in the present application, please refer to Figures 6 to 8 , the auxiliary fixing portion 312 is any one of a clip, a strap or an adhesive layer.
[0072] In an embodiment of the present application, when the auxiliary fixing portion 312 is a clip, the clip can be a holding structure similar to a straight shape or other types, and the clip can hold on the electronic component; when the auxiliary fixing portion 312 is a strap, one end of the strap is fixed to the main body portion 311 and the other end is fixed to the electronic component; when the auxiliary fixing portion 312 is an adhesive layer, it is adhesively fixed to the electronic component through the adhesive layer, and the adhesive layer can be a thermally conductive double-sided tape.
[0073] Through the above settings, the cooling main body 310 can be better fixed on the surface of the electronic component, which is beneficial to rapid assembly.
[0074] According to some embodiments of the present application, please refer to Figures 6 to 8 , the cooling main body 310 further includes a first joint 313 and a second joint 314. The first joint 313 and the second joint 314 protrude from the same side of the main body portion 311 and are spaced apart. The cooling inlet 302 is provided in the first joint 313, and the cooling outlet 303 is provided in the second joint 314.
[0075] It should be noted that the first joint 313 and the second joint 314 protrude from one side of the main body portion 311 along its thickness direction, that is, the first joint 313 and the second joint 314 protrude from the main body portion 311 along Figures 6 to 8 the lower side in the Z direction shown.
[0076] In an embodiment of the present application, the first joint 313, the second joint and the main body portion 311 can be a split structure. For example, the first joint 313, the second joint and the main body portion 311 are detachably connected by means of snap connection, plug connection or screw connection, etc.; the first joint 313, the second joint and the main body portion 311 can also be an integral structure. For example, the first joint 313, the second joint and the main body portion 311 are integrally formed by means of injection molding, casting, etc.
[0077] In an embodiment of the present application, both the first joint 313 and the second joint 314 are in a hollow columnar structure, and the columnar structure can be a cylinder, an elliptical cylinder, a prism or other columnar structures.
[0078] Through the above settings, the cooling inlet 302 and the cooling outlet 303 can be formed on the same side of the main body portion 311, which is beneficial to the inflow and outflow of liquid and improves the space utilization rate of the main body portion 311.
[0079] According to some embodiments of the present application, please refer to Figure 5, the pipeline assembly 320 includes an input main path 321, an input branch path 322, an output main path 323 and an output branch path 324. The outlet end of the input branch path 322 communicates with the first joint 313, and the inlet end of the output branch path 324 communicates with the second joint 314; the input main path 321 communicates with the inlet end of the input branch path 322 and the module outlet, and the output main path 323 communicates with the outlet end of the output branch path 324 and the module inlet.
[0080] It can be understood that the cooling medium in the cooling module is output from the module outlet, enters the input main path 321, and then flows through each input branch path 322 to the cooling flow path 301 of the cooling member 300. After the cooling member 300 exchanges heat with the electronic components, the cooling medium in the cooling flow path 301 converges from each output branch path 324 to the output main path 323 and returns to the cooling module through the output main path 323.
[0081] In the embodiments of the present application, the number of the input branch paths 322 and the output branch paths 324 is not limited to one, and can be designed according to actual needs.
[0082] Through the above settings, after the cooling medium in the cooling module is branched to each cooling member 300 through the pipeline assembly 320, the cooling medium in each cooling member 300 then returns to the cooling module through the pipeline assembly 320, so that the cooling medium circulates between the cooling main body 310 and the cooling module, improving the resource reuse rate and effectively saving costs.
[0083] According to some embodiments of the present application, please refer to Figure 5 , the number of the cooling main bodies 310 is at least two. Each first joint 313 of each cooling main body 310 is correspondingly provided with an input branch path 322, and each second joint 314 of each cooling main body 310 is correspondingly provided with an output branch path 324; the input main path 321 communicates with the inlet ends of the input branch paths 322 and the module outlet, and the output main path 323 communicates with the outlet ends of the output branch paths 324 and the module inlet.
[0084] In the embodiments of the present application, the number of the cooling main bodies 310 is at least two, the number of the input branch paths 322 is the same as the number of the first joints 313, and the number of the output branch paths 324 is the same as the number of the second joints 314.
[0085] In the embodiments of the present application, the flow rates of the cooling media of all the input branch paths 322 can be the same or different; the flow rates of the cooling media of all the output branch paths 324 can be the same or different.
[0086] With the above settings, the number of cooling bodies 310 is at least two. The cooling medium can be split into each cooling body 310 using the same input main path 321, and the cooling medium from each output branch 324 can be returned to the cooling module using the same output main path 323, which is conducive to simplifying the structure of the pipeline assembly 320 and improving the cooling efficiency and effect.
[0087] According to some embodiments of the present application, please refer to Figure 5 , the input main path 321, the input branch 322, the output main path 323, and the output branch 324 are all flexible tubes.
[0088] In the embodiments of the present application, the material of the flexible tube can be a highly elastic material such as silica gel or rubber that can undergo elastic deformation. The shape of the flexible tube can be a hollow circular tube or other shapes.
[0089] With the above settings, each pipeline uses a flexible material, which reduces costs and is conducive to the flexible layout and assembly of each pipeline.
[0090] According to some embodiments of the present application, please refer to Figure 5 , control components are respectively provided on the input main path 321, the input branch 322, the output main path 323, and the output branch 324, and the control components are used to control the flow rate of the cooling medium.
[0091] In the embodiments of the present application, the control component can be a damping port provided in the input main path 321, the input branch 322, the output main path 323, and the output branch 324, or a valve body provided on the input main path 321, the input branch 322, the output main path 323, and the output branch 324, as long as it can control the flow rate of the cooling medium in each pipeline.
[0092] With the above settings, the flow rate of the cooling medium in the patch cooling unit can be flexibly adjusted according to the actual cooling requirements, which is conducive to energy conservation and efficient cooling.
[0093] According to some embodiments of the present application, please refer to Figure 2 , the battery device 20 further includes a box body 100. The number of battery cells 22 is at least two, and each battery cell 22 is arranged side by side in the box body 100 along the second direction, where the second direction is the length direction of the battery device 20; the cooling module includes a cooling plate, the cooling plate is arranged on at least one side of any battery cell 22 along the second direction, and the cooling plate has a channel for the cooling medium to flow through, the module inlet is the inlet of the channel, and the module outlet is the outlet of the channel.
[0094] It should be noted that the second direction is Figure 2 the Y direction shown, that is, the length direction of the battery device 20.
[0095] In an embodiment of the present application, the cooling module includes a liquid supply component and at least two cooling plates. Cooling plates are respectively provided between two adjacent battery cells 22 and between the battery cells 22 and the end plates of the box body 100. The liquid supply component is used to supply cooling medium to all cooling plates. The cooling plates perform heat exchange with the battery cells 22 to cool down the battery cells 22.
[0096] In the embodiments of this application, reference is made to Figure 2 The box 100 is a component for providing a storage space for the battery cell 22, and the box 100 can adopt a variety of structures. In some embodiments, the box 100 may include a first part 100a and a second part 100b, the first part 100a and the second part 100b cover each other, and the first part 100a and the second part 100b jointly define a storage space for accommodating the battery cell 22. The second part 100b may be a hollow structure with one end open, the first part 100a may be a plate-like structure, the first part 100a covers the open side of the second part 100b, so that the first part 100a and the second part 100b jointly define a storage space; the first part 100a and the second part 100b may also be hollow structures with one side open, and the open side of the first part 100a covers the open side of the second part 100b. Of course, the box 100 formed by the first part 100a and the second part 100b may be in a variety of shapes, such as a cylinder, a cuboid, etc.
[0097] Through the above-mentioned arrangement, the cooling module of the battery device 20 can be utilized to supply cooling medium to the cooling element 300, with good cooling effect and high cooling efficiency. There is no need to increase the length of the electronic components and contact them with the water cooling plate at the bottom of the high-voltage box 23 for heat dissipation, and there is no need to set a water cooling plate at the bottom of the high-voltage box 23, which is beneficial to reducing cost and weight.
[0098] Please refer to Figure 1 , an electrical device includes the above-mentioned battery device 20.
[0099] The above-mentioned electrical equipment utilizes the cooling module of the battery device 20 to supply cooling medium to the cooling element 300, and then fixes the cooling element 300 on the surface of the electronic components. The electronic components are cooled by the cooling element 300, and the cooling effect is good and the cooling efficiency is high. There is no need to increase the length of the electronic components and contact them with the water-cooling plate at the bottom of the high-voltage box for heat dissipation, and there is no need to set up a water-cooling plate at the bottom of the high-voltage box, which is beneficial to reducing cost and weight. The size of the cooling element 300 can be flexibly adjusted based on cooling needs, and the number of cooling elements 300 can be flexibly arranged based on cooling needs, so that they can be attached wherever there is a need, and the cooling is well targeted.
[0100] According to some embodiments of the present application, see Figures 2 to 8, A battery device 20 includes battery cells 22, electronic components electrically connected to the battery cells 22, a box body 100, a cooling module, and a cooling member 300. The cooling module is disposed inside the box body 100 and is used to cool the battery cells 22. The cooling member 300 can be fixed on the electronic components and is used to cool the electronic components. The cooling member 300 has a cooling flow channel 301, a cooling inlet 302, and a cooling outlet 303 that communicate with the cooling flow channel 301. The cooling inlet 302 communicates with the module outlet of the cooling module, and the cooling outlet 303 communicates with the module inlet of the cooling module.
[0101] Wherein, the cooling member 300 includes a cooling main body 310 and a pipeline assembly 320. The cooling main body 310 includes a main body portion 311, an auxiliary fixing portion 312, a first joint 313, and a second joint 314. The main body portion 311 includes a first main body 311a and a second main body 311b. The first main body 311a covers one side of the second main body 311b and is provided with the cooling flow channel 301. The cooling flow channel 301 is configured to protrude from the first main body 311a toward the side away from the second main body 311b. The side of the second main body 311b facing away from the first main body 311a is fixed on the surface of the electronic components. The auxiliary fixing portion 312 is disposed on the main body portion 311. The first joint 313 and the second joint 314 protrude from one side of the main body portion 311 along its thickness direction and are spaced apart. The cooling inlet 302 is disposed inside the first joint 313, and the cooling outlet 303 is disposed inside the second joint 314. The pipeline assembly 320 includes an input main path 321, an input branch path 322, an output main path 323, and an output branch path 324. The outlet end of the input branch path 322 communicates with the first joint 313, and the inlet end of the output branch path 324 communicates with the second joint 314. The input main path 321 communicates with the inlet end of the input branch path 322 and the module outlet. The output main path 323 communicates with the outlet end of the output branch path 324 and the module inlet. The input main path 321, the input branch path 322, the output main path 323, and the output branch path 324 are all flexible tubes. Control members for controlling the flow rate of the cooling medium are respectively provided on the input main path 321, the input branch path 322, the output main path 323, and the output branch path 324.
[0102] According to some embodiments in the present application, refer to Figure 1 , An electrical equipment includes the above-mentioned battery device 20.
[0103] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the present application, and they should all be covered within the scope of the claims and the specification of the present application. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The present application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.
Claims
1. A battery device (20), characterized in that: include: A battery cell (22) and an electronic component electrically connected to the battery cell (22); A cooling module, used to cool the battery cell (22); A cooling element (300) capable of being fixed on the electronic component and used to cool the electronic component; The cooling element (300) has a cooling channel (301) and a cooling inlet (302) and a cooling outlet (303) connected to the cooling channel (301); the cooling inlet (302) is connected to the module outlet of the cooling module; and the cooling outlet (303) is connected to the module inlet of the cooling module.
2. The battery device (20) according to claim 1, characterized in that: The cooling element (300) comprises a cooling body (310) and a pipe assembly (320); the cooling channel (301), the cooling inlet (302) and the cooling outlet (303) are all arranged on the cooling body (310); the cooling inlet (302) is connected to the module outlet via the pipe assembly (320); and the cooling outlet (303) is connected to the module inlet via the pipe assembly (320).
3. The battery device (20) according to claim 2, characterized in that: The cooling body (310) comprises a main body portion (311), and the main body portion (311) is configured as a sheet structure having the cooling flow channel (301).
4. The battery device (20) according to claim 3, characterized in that: The main body (311) comprises a first main body (311a) and a second main body (311b) which can cover each other, and the cooling flow channel (301) is provided on the second main body (311b) and / or the first main body (311a).
5. The battery device (20) according to claim 4, characterized in that: The second body (311b) has a first side and a second side disposed opposite to each other along a first direction, the second side is fixed to the surface of the electronic component, the first body (311a) covers the first side, and the first direction is the height direction of the battery device (20); The cooling channel (301) is constructed as a structure that protrudes from the first body (311a) along the first direction toward and away from the second body (311b).
6. The battery device (20) according to claim 3, characterized in that: The cooling body (310) further comprises an auxiliary fixing portion (312), wherein the auxiliary fixing portion (312) is provided on the main body (311) and is used to auxiliary fix the main body (311) and the electronic components.
7. The battery device (20) according to claim 6, characterized in that: The auxiliary fixing portion (312) is any one of a clip, a binding belt or an adhesive layer.
8. The battery device (20) according to claim 3, characterized in that: The cooling body (310) further comprises a first joint (313) and a second joint (314), wherein the first joint (313) and the second joint (314) are protrudingly arranged on the same side of the main body (311) and are spaced apart, the cooling inlet (302) is arranged in the first joint (313), and the cooling outlet (303) is arranged in the second joint (314).
9. The battery device (20) according to claim 8, characterized in that: The pipeline assembly (320) comprises an input main line (321), an input branch line (322), an output main line (323), and an output branch line (324); the outlet end of the input branch line (322) is connected to the first joint (313), and the inlet end of the output branch line (324) is connected to the second joint (314); The input main path (321) is connected to the inlet end of the input branch path (322) and the module outlet, and the output main path (323) is connected to the outlet end of the output branch path (324) and the module inlet.
10. The battery device (20) according to claim 9, characterized in that: The number of the cooling bodies (310) is at least two, and a first joint (313) of each cooling body (310) is correspondingly provided with an input branch (322), and a second joint (314) of each cooling body (310) is correspondingly provided with an output branch (324); The input main path (321) is connected to the inlet end of each input branch path (322) and the module outlet, and the output main path (323) is connected to the outlet end of each output branch path (324) and the module inlet.
11. The battery device (20) according to claim 9, characterized in that: The input main line (321), the input branch line (322), the output main line (323) and the output branch line (324) are all flexible pipes.
12. The battery device (20) according to claim 9, characterized in that: The input main path (321), the input branch path (322), the output main path (323) and the output branch path (324) are respectively provided with control components, and the control components are used to control the flow rate of the cooling medium.
13. The battery device (20) according to claim 9, characterized in that: The battery device (20) further comprises a box (100), the number of the battery cells (22) being at least two, and the battery cells (22) being arranged side by side in the box (100) along a second direction, the second direction being the length direction of the battery device (20); The cooling module comprises a cooling plate, the cooling plate being arranged on at least one side of any battery cell (22) along the second direction, the cooling plate having a channel for cooling medium to flow, the module inlet being the inlet of the channel, and the module outlet being the outlet of the channel.
14. An electrical device, characterized in that: Comprising the battery device (20) according to any one of claims 1 to 13.