A communication type cooling water channel structure for an electronic supercharger

Abstract

The utility model provides a connective cooling water channel structure for electronic supercharger, including air compressor, high -speed motor assembly and motor controller assembly, is provided with the water inlet on motor controller assembly, the inside of motor controller assembly has cooling water tank and first cooling water channel, motor controller assembly convex forms the boss, is provided with the water outlet on high -speed motor assembly, the inside of high -speed motor assembly has connecting channel and second cooling water channel, high -speed motor assembly recess forms the recess corresponding with boss, and the boss is inserted in recess. Such will water inlet and water outlet be arranged respectively on motor controller assembly and high -speed motor assembly, then the whole cooling water channel adopts the form of internal connection, need not external accessory pipeline, the structure is more compact, has solved the problem that the current electronic supercharger is big in size, is more convenient electronic supercharger is arranged on the whole vehicle, and the reliability is high, reduces the installation cost.

Description

Technical Field

[0001] This utility model relates to the field of integrated electronic supercharger technology, and in particular to a connected cooling water channel structure for an electronic supercharger. Background Technology

[0002] When the electronic supercharger is working, the high-speed motor stator winding and the power devices of the motor controller will generate heat, causing the stator winding and the power devices of the motor controller to heat up rapidly. If the heat cannot be dissipated in time, the stator winding or the controller will burn out when the temperature rise reaches a certain limit. Therefore, it is necessary to cool the stator winding and the power devices of the motor controller.

[0003] Electronic superchargers typically use water cooling to dissipate heat from components that generate significant heat, such as the motor stator windings and the power devices of the motor controller. There are usually two ways to arrange an electronic supercharger: one is a separate unit, consisting of the motor body (with compressor assembly) and an independent controller, with the controller being externally mounted. Typically, the motor stator housing and the motor controller each have their own independent cooling water circuits, with two inlet and outlet ports. The other is a unit where the motor body (with compressor assembly) integrates the motor controller, which usually uses external piping as the cooling water circuit. However, this external piping is complex and has many interfaces.

[0004] Therefore, it is necessary to propose a continuous cooling channel structure for electric superchargers to solve or at least alleviate the above-mentioned defects. Utility Model Content

[0005] The main objective of this invention is to provide a continuous cooling water channel structure for an electric supercharger, in order to solve the problem that the existing integrated motor supercharger uses external pipes as cooling water channels, which are complex and have many interfaces.

[0006] To achieve the above objectives, this utility model provides a continuous cooling water channel structure for an electric supercharger, including a compressor, a high-speed motor assembly, and a motor controller assembly, wherein the high-speed motor assembly is connected between the compressor and the motor controller assembly; wherein,

[0007] The motor controller assembly has a water inlet, and the interior of the motor controller assembly has a cooling water tank and a first cooling water channel. A boss is formed on the side of the motor controller assembly near the high-speed motor assembly. The water inlet is connected to one end of the cooling water tank, and the other end of the cooling water tank is connected to the water inlet of the first cooling water channel. The water outlet of the first cooling water channel extends to the boss.

[0008] The high-speed motor assembly has a water outlet, and the interior of the high-speed motor assembly has a connecting channel and a second cooling water channel. The high-speed motor assembly has a recessed groove corresponding to the boss on the side near the motor controller assembly. The boss is inserted into the groove. The first end of the connecting channel is connected to the water outlet of the first cooling water channel, and the second end of the connecting channel is connected to the water inlet of the second cooling water channel. The water outlet of the second cooling water channel is connected to the water outlet.

[0009] Preferably, the motor controller assembly includes a controller housing and a sealing cover, the water inlet is formed on the controller housing, the first cooling water channel is built into the controller housing, the cooling water tank is formed by a recess on the side of the controller housing away from the high-speed motor assembly, and the sealing cover is connected to the side wall of the controller housing and encloses the cooling water tank.

[0010] Preferably, the high-speed motor assembly includes a stator housing and a motor stator, the motor stator being built into the stator housing, the two ends of the stator housing being connected to the compressor and the controller housing respectively, the groove being formed on the side of the stator housing near the controller housing, and the connecting channel and the second cooling water channel being built into the stator housing.

[0011] Preferably, the second cooling water channel is an annular pipe.

[0012] Preferably, the first end of the connecting channel is inclined downward toward its second end.

[0013] Preferably, the water outlet and the water inlet of the second cooling water channel are located on both sides of the stator housing along the radial direction.

[0014] Preferably, the high-speed motor assembly further includes a motor rear cover, which is connected between the stator housing and the controller housing. The motor rear cover also has a groove corresponding to the boss. The motor rear cover has a bearing seat for the motor shaft of the motor stator to pass through.

[0015] Preferably, the motor controller assembly further includes a drive board and a control board, and the controller housing has an installation space inside, in which the drive board and the control board are both built-in.

[0016] Preferably, the sealing cover is integrally formed with the controller housing.

[0017] Preferably, the second cooling water channel is a spiral pipe.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] This utility model provides a connected cooling water channel structure for an electronic supercharger, including a compressor, a high-speed motor assembly, and a motor controller assembly. The motor controller assembly has a water inlet, a cooling water tank and a first cooling water channel inside. A boss is formed on the side of the motor controller assembly near the high-speed motor assembly. The water inlet is connected to one end of the cooling water tank, and the other end of the cooling water tank is connected to the water inlet of the first cooling water channel. The water outlet of the first cooling water channel extends to the boss. The high-speed motor assembly has a water outlet, a connecting channel and a second cooling water channel inside. A groove corresponding to the boss is recessed on the side of the high-speed motor assembly near the motor controller assembly, and the boss is inserted into the groove. The first end of the connecting channel is connected to the water outlet of the first cooling water channel, the second end of the connecting channel is connected to the water inlet of the second cooling water channel, and the water outlet of the second cooling water channel is connected to the water outlet. By placing the water inlet and outlet on the motor controller assembly and the high-speed motor assembly respectively, and by internally connecting the entire cooling water channel, no external accessory pipes are required. This results in a more compact structure, solves the problem of the large size of existing electric superchargers, makes it easier to arrange the electric supercharger on the vehicle, improves reliability, and reduces installation costs. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 This is a three-dimensional schematic diagram of the overall structure in one embodiment of the present utility model;

[0022] Figure 2 This is a schematic cross-sectional view of the stator housing and controller housing in one embodiment of the present invention.

[0023] Figure 3 This is a partially exploded view of the overall structure in one embodiment of the present invention;

[0024] Figure 4 This is a perspective view of the controller housing in one embodiment of the present utility model;

[0025] Figure 5 This is a three-dimensional schematic diagram of the stator housing in one embodiment of the present invention.

[0026] The purpose, features, and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings.

[0027] Explanation of icon numbers:

[0028] 10. Compressor; 20. High-speed motor assembly; 210. Stator housing; 211. Water outlet; 212. Connecting channel; 213. Second cooling water channel; 214. Groove; 220. Motor stator; 230. Motor rear cover; 231. Bearing housing; 30. Motor controller assembly; 310. Controller housing; 311. Water inlet; 312. Cooling water tank; 313. First cooling water channel; 314. Boss; 320. Sealing cover; 330. Drive board; 340. Control board. Detailed Implementation

[0029] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0032] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0033] Please see the appendix Figure 1-5The present invention provides a connected cooling water channel structure for an electronic supercharger, comprising a compressor 10, a high-speed motor assembly 20, and a motor controller assembly 30. The high-speed motor assembly 20 is connected between the compressor 10 and the motor controller assembly 30, as detailed below:

[0034] The motor controller assembly 30 has a water inlet 311. The motor controller assembly 30 has a cooling water tank 312 and a first cooling water channel 313 inside. A boss 314 protrudes from the side of the motor controller assembly 30 near the high-speed motor assembly 20. The water inlet 311 is connected to one end of the cooling water tank 312, and the other end of the cooling water tank 312 is connected to the inlet end of the first cooling water channel 313. The outlet end of the first cooling water channel 313 extends to the boss 314. The high-speed motor assembly 20 has a water outlet 211. The high-speed motor assembly 20 has a connecting channel 212 and a second cooling water channel 213 inside. The high-speed motor assembly 20 has a recessed groove 214 on the side near the motor controller assembly 30, which corresponds to the boss 314. The boss 314 is inserted into the groove 214. The first end of the connecting channel 212 is connected to the outlet end of the first cooling water channel 313, and the second end of the connecting channel 212 is connected to the inlet end of the second cooling water channel 213. The outlet end of the second cooling water channel 213 is connected to the outlet 211.

[0035] Specifically, the interconnected cooling water channel structure for the electric supercharger in this application includes a compressor 10, a high-speed motor assembly 20, and a motor controller assembly 30. This application is a modification for integrated electric superchargers to meet the application of a compact cooling pipe structure for integrated electric superchargers, thus eliminating the need for external accessory pipes. Therefore, cooling water channels are built into the high-speed motor assembly 20 and the motor controller assembly 30 respectively. The high-speed motor assembly 20 is connected between the compressor 10 and the motor controller assembly 30 to connect their internal cooling water channels, forming an interconnected cooling water channel. This satisfies the internal flow of cooling water and avoids increasing the overall size of the electric supercharger, making it easier to arrange on the vehicle.

[0036] The motor controller assembly 30 has a water inlet 311 for receiving cooling water. The cooling water tank 312 inside the motor controller assembly 30 stores cooling water, thus cooling the internal components. After the cooling water reaches a certain height, it flows into the connected first cooling water channel 313, which in turn supplies cooling water to the high-speed motor assembly 20. Therefore, a boss 314 is formed on the side of the motor controller assembly 30 near the high-speed motor assembly 20. The boss 314 is used to connect with the high-speed motor assembly 20. The outlet of the first cooling water channel 313 extends to the boss 314, allowing cooling water to be supplied to the high-speed motor assembly 20 through the outlet of the boss 314.

[0037] Furthermore, the high-speed motor assembly 20 has a recessed groove 214 on the side near the motor controller assembly 30, corresponding to the boss 314. The groove 214 is used for the boss 314 to be inserted and connected. The corresponding setting here means that the cross-sectional shape and size of the groove 214 and the boss 314 are the same, so as to ensure that they match perfectly when inserted. This allows the first cooling water channel 313 in the boss 314 to connect with the connecting channel 212 in the high-speed motor assembly 20 without leakage. The connecting channel 212 is used to connect the first cooling water channel 313 and the second cooling water channel 213, so that the water in the first cooling water channel 313 can flow into the second cooling water channel 213 through the connecting channel 212. The cooling water in the second cooling water channel 213 cools the internal motor stator 220. The outlet 211 is formed on the high-speed motor assembly 20 and communicates with the second cooling water channel 213, so that the cooled water can flow out through the outlet 211 after cooling, and then it is convenient to add new cooling water.

[0038] In a preferred embodiment of the present invention, the motor controller assembly 30 includes a controller housing 310 and a sealing cover 320. The water inlet 311 is formed on the controller housing 310. The first cooling water channel 313 is built into the controller housing 310. The cooling water tank 312 is formed by a recess on the side of the controller housing 310 away from the high-speed motor assembly 20. The sealing cover 320 is connected to the side wall of the controller housing 310 and is closed to the outside of the cooling water tank 312.

[0039] It should be noted that, in addition to providing space for internal components, the controller housing 310 also facilitates the arrangement of various cooling components such as the water inlet 311, cooling water tank 312, and first cooling water channel 313. The cooling water tank 312 is formed on the side of the controller housing 310 away from the high-speed motor assembly 20. Therefore, in order to form a sealed wall, a sealing cover 320 is provided to seal the outside of the cooling water tank 312, thereby forming a sealed cooling water tank 312. Preferably, the sealing cover 320 can be pre-processed together with the controller housing 310 to form an integral molded structure, ensuring the airtightness of the cooling water, without the need for an additional cover.

[0040] In a preferred embodiment of the present invention, the high-speed motor assembly 20 includes a stator housing 210 and a motor stator 220. The motor stator 220 is built into the stator housing 210. Both ends of the stator housing 210 are connected to the compressor 10 and the controller housing 310, respectively. The groove 214 is formed on the side of the stator housing 210 near the controller housing 310. The connecting channel 212 and the second cooling water channel 213 are both built into the stator housing 210.

[0041] It should be noted that, similar to the controller housing 310, the stator housing 210 is used for the internal installation of the motor stator 220. The connecting channel 212 and the second cooling water channel 213 can also be directly machined inside the stator housing 210. The groove 214 is formed on the side of the stator housing 210 near the controller housing 310 so as to correspond to the boss 314.

[0042] In a preferred embodiment of the present invention, the second cooling water channel 213 is an annular pipe.

[0043] It is worth noting that the second cooling water channel 213 adopts an annular pipe, which allows the cooling water to surround the entire motor stator 220, so as to ensure that the cooling effect is evenly distributed and achieve a better cooling effect.

[0044] In another preferred embodiment of the present invention, the second cooling water channel 213 can also be a spiral pipe. The spiral water channel can make maximum use of the equipment surface area, increase the contact area between the cooling water and the high-temperature components of the turbocharger, thereby improving the cooling efficiency. In addition, the cooling water will continuously change direction when flowing in the spiral water channel, so that the heat can be carried away more evenly.

[0045] In a preferred embodiment of the present invention, the first end of the connecting channel 212 is inclined downward toward its second end.

[0046] It is worth noting that this makes it easier for the cooling water in the first cooling water channel 313 to flow into the second cooling water channel 213 under the pressure of the external water pump, thereby improving the flow efficiency of the cooling water.

[0047] Furthermore, the water outlet 211 and the water inlet of the second cooling water channel 213 are respectively located on both sides of the stator housing 210 along the radial direction.

[0048] It should be noted that since the second cooling water channel 213 adopts the form of an annular channel, its separate arrangement on both sides of the stator housing 210 can ensure that the cooling water can be distributed around it, thus avoiding the problem of the cooling water flowing out too quickly if it is set on the same side.

[0049] Furthermore, the high-speed motor assembly 20 also includes a motor rear cover 230, which is connected between the stator housing 210 and the controller housing 310. The motor rear cover 230 also has a groove 214 corresponding to the boss 314. The motor rear cover 230 has a bearing seat 231, which is used for the motor shaft of the motor stator 220 to pass through.

[0050] It should be understood that the motor rear cover 230 has a bearing seat 231 for the motor shaft of the power supply stator 220 to pass through and be installed, thus serving as a support for one end of the motor shaft, thereby optimizing the combined connection structure of the motor housing and improving the integrated design; and since the motor rear cover 230 is located between the stator housing 210 and the controller housing 310, a groove 214 needs to be opened simultaneously to facilitate the through connection of the boss 314.

[0051] Furthermore, the motor controller assembly 30 also includes a drive board 330 and a control board 340. The controller housing 310 has an installation space inside, and both the drive board 330 and the control board 340 are built into the installation space.

[0052] It should be noted that the drive board 330 and the control board 340 are control components. Integrating such components into the installation space of the controller housing 310 can increase the integration of the product and the convenience of assembly.

[0053] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A continuous cooling water channel structure for an electronic supercharger, characterized in that, It includes a compressor, a high-speed motor assembly, and a motor controller assembly, wherein the high-speed motor assembly is connected between the compressor and the motor controller assembly; wherein, The motor controller assembly has a water inlet, and the interior of the motor controller assembly has a cooling water tank and a first cooling water channel. A boss is formed on the side of the motor controller assembly near the high-speed motor assembly. The water inlet is connected to one end of the cooling water tank, and the other end of the cooling water tank is connected to the water inlet of the first cooling water channel. The water outlet of the first cooling water channel extends to the boss. The high-speed motor assembly has a water outlet, and the interior of the high-speed motor assembly has a connecting channel and a second cooling water channel. The high-speed motor assembly has a recessed groove corresponding to the boss on the side near the motor controller assembly. The boss is inserted into the groove. The first end of the connecting channel is connected to the water outlet of the first cooling water channel, and the second end of the connecting channel is connected to the water inlet of the second cooling water channel. The water outlet of the second cooling water channel is connected to the water outlet.

2. The interconnected cooling water channel structure for an electronic supercharger according to claim 1, characterized in that, The motor controller assembly includes a controller housing and a sealing cover. The water inlet is formed on the controller housing. The first cooling water channel is built into the controller housing. The cooling water tank is formed by a recess on the side of the controller housing away from the high-speed motor assembly. The sealing cover is connected to the side wall of the controller housing and encloses the cooling water tank.

3. The interconnected cooling water channel structure for an electronic supercharger according to claim 2, characterized in that, The high-speed motor assembly includes a stator housing and a motor stator. The motor stator is built into the stator housing. Both ends of the stator housing are connected to the compressor and the controller housing, respectively. The groove is formed on the side of the stator housing near the controller housing. The connecting channel and the second cooling water channel are both built into the stator housing.

4. The interconnected cooling water channel structure for an electronic supercharger according to claim 3, characterized in that, The second cooling water channel is a ring-shaped pipe.

5. The interconnected cooling water channel structure for an electronic supercharger according to claim 1, characterized in that, The first end of the connecting channel is inclined downward toward its second end.

6. The interconnected cooling water channel structure for an electronic supercharger according to claim 4, characterized in that, The water outlet and the water inlet of the second cooling water channel are located on both sides of the stator housing along the radial direction.

7. The interconnected cooling water channel structure for an electronic supercharger according to claim 3, characterized in that, The high-speed motor assembly also includes a motor rear cover, which is connected between the stator housing and the controller housing. The motor rear cover also has a groove corresponding to the boss. The motor rear cover has a bearing seat for the motor shaft of the motor stator to pass through.

8. The interconnected cooling water channel structure for an electronic supercharger according to claim 2, characterized in that, The motor controller assembly also includes a drive board and a control board. The controller housing has an installation space inside, and both the drive board and the control board are built into the installation space.

9. The interconnected cooling water channel structure for an electronic supercharger according to claim 2, characterized in that, The sealing cover is integrally formed with the controller housing.

10. The interconnected cooling water channel structure for an electronic supercharger according to claim 4, characterized in that, The second cooling water channel is a spiral pipe.

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