A double-sided heat dissipation power module, motor controller and vehicle thereof

Abstract

The application relates to a double-sided heat dissipation power module, a motor controller thereof and a vehicle, which comprises a fixed plate assembly, heat dissipation needles, a direct current assembly, an alternating current assembly, a signal lead wire, a waterproof assembly, plastic sealing material and a sealed box body, the heat dissipation needles are fixedly arranged on the upper and lower surfaces of the fixed plate assembly; the direct current assembly is fixedly arranged on the left side of the fixed plate assembly; the alternating current assembly is fixedly arranged on the right side of the fixed plate assembly; the signal lead wire is fixedly arranged on the right side of the fixed plate assembly; the waterproof assembly is clamped on the left and right sides of the fixed plate assembly; the plastic sealing material is fixedly arranged on the front and back sides of the fixed plate assembly and comprises the sealed box body and a shunt sealing piece. The application has the following beneficial effects: 1. The double-sided heat dissipation power module is used for heat dissipation, thereby prolonging the service life of electrical components; 2. The sealed box body is used for sealing the double-sided heat dissipation power module; 3. The shunt sealing piece is used for shunting the cooling liquid, thereby improving the cooling efficiency; and 4. The design is reasonable, the production manufacturing cost is reduced, and the production manufacturing efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of dual-sided heat dissipation technology, and in particular to a dual-sided heat dissipation power module, its motor controller, and a vehicle. Background Technology

[0002] Existing dual-sided heat dissipation power modules require placement within a housing with open cooling channels for sealing, which carries a high risk of seal failure. Furthermore, existing technologies often require sealing of components from both ends during installation, involving the assembly of end-face sealing rings. This process is complex, costly, and results in low modularity, significantly increasing manufacturing costs.

[0003] Therefore, it is essential to provide a double-sided heat dissipation power module machine motor controller and vehicle to solve the above-mentioned technical problems. Summary of the Invention

[0004] This invention provides a dual-sided heat dissipation power module, its motor controller, and a vehicle, which can solve the problems in related technologies.

[0005] On one hand, embodiments of the present invention provide a double-sided heat dissipation power module.

[0006] The device includes a mounting plate assembly, heat sink pins, a DC component, an AC component, signal leads, and molding compound. The heat sink pins are fixedly disposed on the upper and lower sides of the mounting plate assembly; the DC component is fixedly disposed on the left side of the mounting plate assembly; the AC component is fixedly disposed on the right side of the mounting plate assembly; the signal leads are fixedly disposed on the right side of the mounting plate assembly; and the molding compound is fixedly disposed on the front and rear sides of the mounting plate assembly.

[0007] Furthermore, the DC component includes a positive DC terminal and a negative DC terminal, with two negative DC terminals located on either side of the positive DC terminal.

[0008] Furthermore, the AC component includes an AC output terminal, which is fixedly disposed on the right side of the fixed plate assembly.

[0009] Furthermore, the fixing plate assembly has slots on both the left and right sides.

[0010] On the one hand, a motor controller is provided, characterized in that it includes the aforementioned double-sided heat dissipation module.

[0011] The sealed box body is in the shape of a sealed cylinder, and the double-sided heat dissipation module is disposed inside the sealed box body;

[0012] The diversion seal is connected to the lower end of the sealing box and communicates with the sealing box.

[0013] Furthermore, a water channel is provided on one side of the upper part of the sealed box.

[0014] Furthermore, the flow-diverting seal is provided with a flow-diverting baffle in the middle, thereby forming an inlet and an outlet flow-diverting port on both sides of the flow-diverting baffle.

[0015] On the one hand, a vehicle is provided, including the motor controller described above, wherein a through-hole nozzle is provided below the sealing housing, and the diversion seal is connected to the sealing housing through the through-hole nozzle;

[0016] It includes a radiator, which has several fixed seats on the upper side of the middle part, and has an inlet end and an outlet end at both ends.

[0017] Furthermore, the sealed box body is provided with several fixing feet on both sides, and the radiator is provided with several fixing seats, and the fixing feet are fixedly connected to the fixing seats.

[0018] Furthermore, the dual-sided heat dissipation power module is connected to the heat sink through the shunt seal.

[0019] The beneficial effects of the technical solution provided by this invention include:

[0020] 1. Heat dissipation is achieved through a double-sided heat dissipation power module, which increases the service life of electrical components;

[0021] 2. The double-sided heat dissipation power module is sealed using a sealed enclosure;

[0022] 3. Coolant is diverted through a flow-diverting seal, improving cooling efficiency;

[0023] 4. The design is reasonable, which reduces production and manufacturing costs and improves production and manufacturing efficiency. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of a hidden sealed box for a double-sided heat dissipation power module according to the present invention;

[0026] Figure 2 This is an isometric schematic diagram of a double-sided heat dissipation power module according to the present invention;

[0027] Figure 3 This is a front view of a double-sided heat dissipation power module and a shunt sealing element according to the present invention;

[0028] Figure 4 This is a cross-sectional view of a double-sided heat dissipation power module according to the present invention;

[0029] Figure 5 This is a schematic diagram of a flow divider seal for a motor controller according to the present invention;

[0030] Figure 6 This is a schematic diagram of the coolant flow direction of a double-sided heat dissipation power module and a flow-diverting seal according to the present invention;

[0031] Figure 7 This is a perspective view of the installation of a key module of a vehicle radiator and motor controller according to the present invention.

[0032] Figure 8 This is a top view of the installation of a key module of a vehicle radiator and motor controller according to the present invention.

[0033] Figure 9 This is a cross-sectional view of the installation of a key module of a vehicle radiator and motor controller according to the present invention.

[0034] Figure 10 This is a circuit diagram of a double-sided heat dissipation power module.

[0035] In the diagram: 100. Fixed plate assembly; 101. Slot; 110. Heat sink pin; 120. DC component; 121. DC positive terminal; 122. DC negative terminal; 130. AC component; 131. AC output terminal; 140. Signal lead; 150. Molding material; 160. Sealing box; 161. Fixing foot; 200. Diverter seal; 201. Diverter baffle; 202. Diverter inlet; 203. Diverter outlet; 210. Water channel; 220. Through-hole nozzle; 300. Heat sink; 310. Fixing base; 320. Inlet end; 330. Outlet end; A. Double-sided heat dissipation module; B. Motor controller. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] See Figures 1 to 2 As shown, this embodiment of the invention provides a double-sided heat dissipation power module, including a fixing plate assembly 100.

[0038] Heat dissipation pins 110 are fixedly disposed on the upper and lower surfaces of the fixing plate assembly 100;

[0039] DC component 120 is fixedly disposed on the left side of the fixed plate assembly 100;

[0040] The AC component 130 is fixedly disposed on the right side of the fixed plate assembly 100;

[0041] Signal lead 140 is fixedly disposed on the right side of the fixed plate assembly 100;

[0042] The molding compound 150 is fixedly disposed on the front and rear sides of the fixing plate assembly 100.

[0043] In some embodiments, the DC component 120 includes a DC positive terminal 121 and a DC negative terminal 122, wherein there are two DC negative terminals 122, which are disposed on both sides of the DC positive terminal 121.

[0044] In this embodiment, the assembly includes a fixed plate assembly 100, a heat dissipation pin 110, a DC component 120, an AC component 130, a signal lead 140, and a molding compound 150. The heat dissipation pin 110 is fixedly disposed on the upper and lower surfaces of the fixed plate assembly 100; the DC component 120 is fixedly disposed on the left side of the fixed plate assembly 100; the AC component 130 is fixedly disposed on the right side of the fixed plate assembly 100; the signal lead 140 is fixedly disposed on the right side of the fixed plate assembly 100; and the molding compound 150 is fixedly disposed on the front and rear sides of the fixed plate assembly 100.

[0045] The DC component 120 includes a DC positive terminal 121 and a DC negative terminal 122. There are two DC negative terminals 122, which are located on both sides of the DC positive terminal 121. Alternatively, there can be two DC positive terminals 121 and one DC negative terminal 122, with the two DC positive terminals 121 located on both sides of the DC negative terminal 122. The DC component 120 is located on both sides of the DC positive terminal 121.

[0046] In some embodiments, the AC component 130 includes an AC output terminal 131, which is fixedly disposed on the right side of the mounting plate assembly 100.

[0047] In this embodiment, the assembly includes a fixed plate assembly 100, a heat dissipation pin 110, a DC component 120, an AC component 130, a signal lead 140, and a molding compound 150. The heat dissipation pin 110 is fixedly disposed on the upper and lower surfaces of the fixed plate assembly 100; the DC component 120 is fixedly disposed on the left side of the fixed plate assembly 100; the AC component 130 is fixedly disposed on the right side of the fixed plate assembly 100; the signal lead 140 is fixedly disposed on the right side of the fixed plate assembly 100; and the molding compound 150 is fixedly disposed on the front and rear sides of the fixed plate assembly 100.

[0048] The AC component 130 includes an AC output terminal 131, which is fixedly disposed on the right side of the fixed plate component 100.

[0049] In some embodiments, the fixing plate assembly 100 is provided with slots 101 on both the left and right sides.

[0050] In this embodiment, the assembly includes a fixed plate assembly 100, a heat dissipation pin 110, a DC component 120, an AC component 130, a signal lead 140, and a molding compound 150. The heat dissipation pin 110 is fixedly disposed on the upper and lower surfaces of the fixed plate assembly 100; the DC component 120 is fixedly disposed on the left side of the fixed plate assembly 100; the AC component 130 is fixedly disposed on the right side of the fixed plate assembly 100; the signal lead 140 is fixedly disposed on the right side of the fixed plate assembly 100; and the molding compound 150 is fixedly disposed on the front and rear sides of the fixed plate assembly 100.

[0051] The fixing plate assembly 100 has slots 101 on both the left and right sides, and the slots 101 are used to increase the insulation creepage distance between different polarities.

[0052] See Figure 10 As shown in Example 1, the current conversion process of the double-sided heat dissipation power module is as follows:

[0053] Furthermore, the vehicle has a structure including a DC power supply, control board, diodes, drive board, and motor.

[0054] The positive terminal of the vehicle's DC power supply is connected to the DC positive terminal 121, and the negative terminal is connected to the DC negative terminal 122. The DC power from the DC positive terminal 121 and the DC negative terminal 122 is converted into AC power and then input to the vehicle's motor through the AC output terminal 131. Signals from the operation of the dual-sided heat dissipation power module, as well as temperature rise sensing signals, can be transmitted to the control board via signal lead 140 through the driver board.

[0055] See Figures 2 to 6 On the one hand, a motor controller is provided, including the aforementioned double-sided heat dissipation module A.

[0056] It also includes a sealed box body 160, which is in the shape of a sealed cylinder, and the double-sided heat dissipation module A is disposed inside the sealed box body 160. The sealed box body 160 and the molding compound 150 are also included.

[0057] The diversion seal 200 is connected to the lower end of the sealing box 160 and communicates with the sealing box 160.

[0058] In this embodiment, the device includes the aforementioned double-sided heat dissipation module A, and also includes a sealed box body 160, which is in the shape of a sealed cylinder and is integrally injection molded; a diversion sealing element 200 is connected to the lower end of the sealed box body 160 and communicates with the sealed box body 160.

[0059] The sealed box 160 can also form a heat dissipation channel with the fixed plate assembly 100 by die casting with insulating metal.

[0060] Meanwhile, the molding compound 150 is fixedly disposed on the front and rear sides of the fixing plate assembly 100, forming an injection point with the sealing box 160 during installation; and placing the DC component 120 on the outside can prevent the influence of leakage current and help extend its service life. Placing the AC component 130 on the outside can prevent leakage current from occurring. Furthermore, separating the DC component 120 and the AC component 130 avoids the problem of mutual interference and further protects the various components in the vehicle.

[0061] In some embodiments, a water channel 210 is provided on one side above the sealed housing 160.

[0062] In this embodiment, the material of the water channel 210 is selected as heat-resistant plastic or integrally molded metal material according to the actual site conditions.

[0063] In some embodiments, the diversion seal 200 is provided with a diversion baffle 201 in the middle, thereby forming an inlet diversion port 202 and an outlet diversion port 203 on both sides of the diversion baffle 201.

[0064] In this embodiment, the diversion seal 200 is connected to the lower end of the sealing box 160 and is used to connect the sealing box 160.

[0065] Meanwhile, a diversion baffle 201 is provided in the middle of the diversion seal 200, thereby forming an inlet diversion port 202 and an outlet diversion port 203 on both sides of the diversion baffle 201. The coolant enters the sealing box 160 through the inlet diversion port 202. After cooling is completed, the coolant flows out of the sealing box 160 through the outlet diversion port 203.

[0066] See Figures 6 to 8 On the one hand, a vehicle is provided, including the motor controller B described above, wherein a through-hole nozzle 220 is provided below the sealing box 160, and the diversion seal 200 is connected to the sealing box 160 through the through-hole nozzle 220;

[0067] It includes a radiator 300, which has several fixing seats 310 on the upper side of the middle part, and has an inlet end 320 and an outlet end 330 at both ends.

[0068] In some embodiments, the sealing box 160 is provided with a plurality of fixing feet 161 on both sides, and the radiator 300 is provided with a plurality of fixing seats 310, wherein the fixing feet 161 are fixedly connected to the fixing seats 310.

[0069] In this embodiment, a double-sided heat dissipation power module A is provided, and a through-hole nozzle 230 is provided below the sealing box 160. The diversion seal 200 is connected to the sealing box 160 through the through-hole nozzle 230. A radiator 300 is provided on the vehicle, and a plurality of fixing seats 310 are provided in the middle of the radiator 300.

[0070] The sealed box 160 has several fixing feet 161 on both sides, and the radiator 300 has several fixing seats 310. The fixing feet 161 are fixedly connected to the fixing seats 310, which ensures the stability of the sealed box 160 and thus ensures the reliability of heat dissipation and sealing.

[0071] Meanwhile, the radiator 300 is provided with an inlet end 320 and an outlet end 330 at both ends.

[0072] Furthermore, the diversion seal 200 is made of rubber, thereby ensuring the sealing of the connection between the double-sided heat dissipation power module A and the heat sink 300.

[0073] In some embodiments, the dual-sided heat dissipation power module A is connected to the heat sink 300 through the shunt seal 200.

[0074] In this embodiment, a through-hole nozzle 220 is provided below the sealing box 160. The diversion sealing member 200 is connected to the sealing box 160 through the through-hole nozzle 220. At the same time, the diversion sealing member 200 is connected to the heat sink 300, thereby connecting the heat sink 300 to the double-sided heat dissipation power module.

[0075] See Figure 6 and Figure 7 As shown, the heat dissipation principle of the double-sided heat dissipation power module of the present invention is as follows:

[0076] 1. Coolant enters the inlet port 202 of the diversion seal 200 from the inlet end 320 of the radiator 300;

[0077] 2. Coolant enters the sealed housing 160 through the through-hole nozzle 220;

[0078] 3. The heat-generating electrical components of the chip are in double-sided contact with the coolant through the heat sink 110 to achieve heat dissipation;

[0079] 4. After the coolant flows around the fixed plate assembly 100, it flows out from the outlet 203 of the diversion seal 200;

[0080] 5. Coolant flows out from outlet 330 of radiator 300.

[0081] The beneficial effects of this invention are as follows:

[0082] 1. Heat dissipation is achieved through a double-sided heat dissipation power module, which increases the service life of electrical components;

[0083] 2. The double-sided heat dissipation power module is sealed using a sealed enclosure;

[0084] 3. Coolant is diverted through a flow-diverting seal, improving cooling efficiency;

[0085] 4. The design is reasonable, which reduces production and manufacturing costs and improves production and manufacturing efficiency.

[0086] In the description of this invention, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Unless otherwise expressly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this invention can be understood according to the specific circumstances.

[0087] It should be noted that, in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the term "comprising," or any other variation thereof, is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0088] The above description is merely a specific embodiment of the present invention, enabling those skilled in the art to understand or implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features of the invention herein.

Claims

1. A vehicle characterized by comprising: The application relates to a motor controller, which comprises a double-sided heat-dissipation power module, the double-sided heat-dissipation power module comprising a fixed plate assembly (100), a heat-dissipation needle (110) fixedly arranged on the upper and lower surfaces of the fixed plate assembly (100); a direct-current assembly (120) fixedly arranged on the left side of the fixed plate assembly (100); an alternating-current assembly (130) fixedly arranged on the right side of the fixed plate assembly (100); a signal lead (140) fixedly arranged on the right side of the fixed plate assembly (100); plastic sealing materials (150) fixedly arranged on the front and back sides of the fixed plate assembly (100); the motor controller further comprises a sealed box body (160) in the shape of a sealed cylinder, the double-sided heat-dissipation power module is arranged in the sealed box body (160), the sealed box body (160) is connected with the plastic sealing materials (150), and a shunt sealing element (200) is connected to the lower end of the sealed box body (160) and communicates with the sealed box body (160); one side above the sealed box body (160) is provided with a self-water channel (210); the shunt sealing element (200) is provided with a shunt baffle (201) in the middle, so that an inlet shunt opening (202) and an outlet shunt opening (203) are formed on the two sides of the shunt baffle (201); the lower part of the sealed box body (160) is provided with a through-hole nozzle (220), and the shunt sealing element (200) is connected with the sealed box body (160) through the through-hole nozzle (220); the vehicle further comprises a radiator (300), the middle part of the radiator (300) is provided with a plurality of fixing seats (310), and the two ends of the radiator (300) are provided with an inlet end (320) and an outlet end (330); the two sides of the sealed box body (160) are provided with a plurality of fixing feet (161), the radiator (300) is provided with a plurality of fixing seats (310), and the fixing feet (161) are fixedly connected with the fixing seats (310); the double-sided heat-dissipation power module communicates with the radiator (300) through the shunt sealing element (200).

2. A vehicle as claimed in claim 1, characterised in that The direct-current assembly (120) comprises a direct-current positive electrode terminal (121) and a direct-current negative electrode terminal (122), the direct-current negative electrode terminal (122) is provided with two direct-current negative electrode terminals (122) arranged on the two sides of the direct-current positive electrode terminal (121).

3. A vehicle as claimed in claim 1, wherein The alternating-current assembly (130) comprises an alternating-current output terminal (131), and the alternating-current output terminal (131) is fixedly arranged on the right side of the fixed plate assembly (100).

4. A vehicle as claimed in claim 1, wherein, The fixed plate assembly (100) is provided with clamping grooves (101) on the left and right sides.

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