An integrated deceleration power device

Abstract

The utility model provides a kind of integrated deceleration power device, belong to power assembly technical field.The integrated deceleration power device includes decelerator, drive motor and controller assembly connected in turn, the input of decelerator is connected with the output of drive motor, and the control chip of drive motor is installed in controller assembly;Drive motor includes motor shaft, motor casing and rear end cover, and the one end of motor shaft close to controller is equipped with encoder, and rear end cover includes base plate part and the first convex ring and second convex ring respectively protruding in the two sides of base plate part, the first convex ring is surrounded and is used to install the first cavity of motor shaft and encoder, the second convex ring is surrounded and is used to install the second cavity, the side of second convex ring away from base plate part is connected with controller assembly, and there is partition plate between first cavity and second cavity.The integrated deceleration power device of the utility model is smaller in size and has good heat dissipation effect.

Description

Technical Field

[0001] This application relates to the field of powertrain technology, and in particular to an integrated reduction gear. Background Technology

[0002] Drive motors are commonly used power sources in mechanical structures. They are generally used in conjunction with speed reducers to reduce speed and increase torque. Motor controllers are used to control the operation of the motor, such as controlling parameters like motor speed and direction of rotation.

[0003] To improve the integration of motors, existing technologies integrate the motor controller, drive motor, and reducer. During integration, the drive motor generates a significant amount of heat, and the motor controller itself also generates heat. The goal of integration is usually miniaturization; however, size reduction can lead to mutual heat exchange between the drive motor and the motor controller, potentially causing the motor controller to overheat. Therefore, how to further reduce the size of the integrated structure while ensuring good heat dissipation is a pressing problem in this field. Utility Model Content

[0004] One objective of this invention is to provide an integrated deceleration power device that is small in size and has good heat dissipation.

[0005] Another objective of this invention is to facilitate control and operation.

[0006] An embodiment of this utility model provides an integrated speed reduction power device, including a speed reducer, a drive motor, and a controller assembly connected in sequence. The input end of the speed reducer is connected to the output end of the drive motor, and the controller assembly houses the control chip of the drive motor. The drive motor includes a motor shaft, a motor housing, and a rear end cover. An encoder is mounted on the end of the motor shaft near the controller. The rear end cover includes a base plate and a first protruding ring and a second protruding ring protruding from both sides of the base plate. The first protruding ring forms a first cavity for mounting the motor shaft and the encoder, and the second protruding ring forms a second cavity. The side of the second protruding ring away from the base plate is connected to the controller assembly. A partition plate is provided between the first cavity and the second cavity.

[0007] Optionally, the controller assembly further includes a housing and a transition plate, the transition plate being connected to the second convex ring, one side of the housing being fitted and connected to the transition plate, and the control chip being disposed inside the housing.

[0008] Optionally, a heat dissipation rib is provided in a target area on the side of the transition plate near the rear end cover, and the target area is the area located outside the second convex ring.

[0009] Optionally, the box includes a bottom plate and a box body, the bottom plate is connected to the transition plate, and the inner wall of the side of the box body with an opening is connected to the side wall of the bottom plate.

[0010] Optionally, the base plate is made of aluminum alloy, the box body is made of steel, and the thickness of the box body is less than the thickness of the base plate.

[0011] Optionally, the housing is further provided with an "L"-shaped heat sink, which includes a first folding plate and a second folding plate. The first folding plate is connected to the bottom plate, and the second folding plate is attached to the side wall of the housing. The second folding plate is also in contact with the side wall of the control chip.

[0012] Optionally, the control chip is mounted on the base plate via multiple support components, with the control chip and the base plate arranged at intervals.

[0013] Optionally, the controller assembly further includes an operation panel connected to the control chip, and the housing portion has an opening for exposing the operation panel.

[0014] Optionally, the encoder is an incremental magneto-electric encoder and includes a magnet and a sensing chip. The end of the motor shaft is provided with a mounting groove for mounting the magnet. The inner wall of the first convex ring is formed with a mounting protrusion for mounting the sensing chip. The sensing chip is located in the first cavity.

[0015] Optionally, the drive motor is a permanent magnet synchronous motor, and the motor housing is connected to the reducer via a flange.

[0016] According to one aspect of this utility model, by forming a first cavity and a second cavity at the rear end cover, the first cavity is used to install the motor shaft and encoder, and the second convex ring is the outer structure of the second cavity. The second convex ring is connected to the controller assembly. In this way, the second cavity can serve as a heat insulation chamber between the controller assembly and the drive motor. Furthermore, a partition plate is provided between the first cavity and the second cavity to further isolate the heat, thereby enabling the controller assembly and the drive motor to be effectively isolated and arranged as close to each other as possible, thereby reducing the volume of the entire integrated reduction power device.

[0017] Furthermore, a transition plate connects the drive motor and the housing for mounting the control chip. The transition plate fits snugly against and connects to the bottom plate of the housing, enhancing the structural connection strength. The bottom plate of the housing is made of aluminum alloy to ensure heat dissipation for the control chip, while the housing itself uses thinner steel components for ease of installation and fabrication.

[0018] Furthermore, an opening is provided in the housing to expose the control panel, which allows for convenient and direct control of motor parameters and facilitates operation.

[0019] Furthermore, by setting heat dissipation fins in the target area, the heat dissipation performance of the control chip can be further improved, and the raised heat dissipation fins also help to enhance the strength of the transition plate.

[0020] Furthermore, the incremental magneto-electric encoder has a smaller size and can be directly installed at the end of the motor shaft, which helps to further reduce the overall size of the product. The encoder's sensing chip is correspondingly placed in the first cavity, and it is separated from the controller assembly by a partition plate and the second cavity to prevent direct heat interference between the two. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of an integrated deceleration power device according to an embodiment of the present invention;

[0022] Figure 2 for Figure 1 A partial cross-sectional view of the integrated deceleration power unit in the embodiment;

[0023] Figure 3 for Figure 1 A cross-sectional view of the rear end cover of the integrated deceleration power unit in the embodiment;

[0024] Figure 4 This is an exploded view of an integrated deceleration power device according to an embodiment of the present invention;

[0025] Figure label:

[0026] Integrated speed reduction power unit 100, speed reducer 10, drive motor 20, controller assembly 30, control chip 31, motor shaft 21, motor housing 22, rear end cover 23, bearing 210, encoder 24, base plate 230, first convex ring 231, second convex ring 232, first cavity 201, second cavity 202, partition plate 25, box body 32, transition plate 33, bottom plate 321, box body 322, opening 301, heat sink 34, first folding plate 341, second folding plate 342, support component 35, operation panel 36, opening 302, magnet 241, sensing chip 242, mounting groove 211, mounting protrusion 233, flange 40. Detailed Implementation

[0027] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, it should be noted that, for ease of description, only the parts relevant to this application are shown in the accompanying drawings, not the entire structure. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.

[0028] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0029] Furthermore, to better illustrate this utility model, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this utility model can be implemented without certain specific details. In some instances, methods, means, components, and circuits well known to those skilled in the art have not been described in detail in order to highlight the spirit of this disclosure.

[0030] It should be understood that the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article indicates that the preceding and following related objects have an "or" relationship.

[0031] In this embodiment of the invention, "multiple" refers to two or more. The descriptions of "first," "second," etc., appearing in this embodiment of the invention are for illustrative purposes and to distinguish the objects being described; they do not indicate any order and do not represent a specific limitation on the number of items in this embodiment of the invention, nor do they constitute any limitation on this embodiment of the invention.

[0032] Figure 1 This is a schematic diagram of the structure of an integrated deceleration power device 100 according to an embodiment of the present invention. Figure 2 for Figure 1 A partial cross-sectional view of the integrated deceleration power unit 100 in the embodiment. Figure 3 for Figure 1 A cross-sectional view of the rear end cover 23 of the integrated reduction power unit 100 in the embodiment. Figure 1As shown, in one embodiment, the integrated speed reduction power unit 100 includes a speed reducer 10, a drive motor 20, and a controller assembly 30 connected in sequence. The input end of the speed reducer 10 is connected to the output end of the drive motor 20, that is, the input shaft of the speed reducer 10 and the output shaft of the drive motor 20 rotate synchronously. Optionally, the drive motor 20 can be a permanent magnet synchronous motor, for example, a three-phase AC permanent magnet motor with a voltage range of 32V to 380V. The speed reducer 10 is used to reduce the speed and amplify the torque. The types of speed reducers 10 include, but are not limited to, gear reducers 10, worm gear reducers 10, or planetary reducers 10. The controller assembly 30 houses the control chip 31 of the drive motor 20. The drive motor 20 includes a motor shaft 21, a motor housing 22, and a rear end cover 23. The motor housing 22 can be integral or a combination of a cylindrical part and a front end cover; there is no limitation here. The end of the motor housing 22 away from the controller assembly 30 can be connected to the housing of the speed reducer 10 through a flange 40. Figure 2 As shown, an encoder 24 is mounted on one end of the motor shaft 21 near the controller. The rear end cover 23 includes a base plate portion 230 and a first protruding ring 231 and a second protruding ring 232 that protrude from both sides of the base plate portion 230 (see also...). Figure 3 The first convex ring 231 is configured to form a first cavity 201 for mounting the motor shaft 21 and the encoder 24, as shown below. Figure 2 As shown, the first cavity 201 contains a bearing 210 for mounting and supporting the motor shaft 21. A second convex ring 232 surrounds the second cavity 202, and the side of the second convex ring 232 away from the base plate portion 230 is connected to the controller assembly 30. A partition plate 25 is provided between the first cavity 201 and the second cavity 202.

[0033] In this embodiment, a first cavity 201 and a second cavity 202 are formed at the rear end cover 23. The first cavity 201 is used to install the motor shaft 21 and the encoder 24. The second convex ring 232 is the outer structure of the second cavity 202 and is connected to the controller assembly 30. In this way, the second cavity 202 can serve as a heat insulation chamber between the controller assembly 30 and the drive motor 20. Furthermore, a partition plate 25 is provided between the first cavity 201 and the second cavity 202 to further isolate the heat, thereby enabling the controller assembly 30 and the drive motor 20 to be effectively isolated and placed as close to each other as possible, thereby reducing the volume of the entire integrated reduction power device 100.

[0034] Figure 4 This is an exploded view of an integrated speed reduction power device 100 according to an embodiment of the present invention. Figure 4As shown, the controller assembly 30 also includes a housing 32 and a transition plate 33. The transition plate 33 is connected to the second protruding ring 232. For example, the transition plate 33 and the second protruding ring 232 can be connected by a first fastener. One side of the housing 32 is fitted and connected to the transition plate 33, and the housing 32 houses the control chip 31. Further, the housing 32 includes a base plate 321 and a box portion 322. The base plate 321 is connected to the transition plate 33. For example, the base plate 321 and the transition plate 33 are connected by a second fastener. The inner wall of the side of the box portion 322 with an opening 301 is connected to the side wall of the base plate 321. In this embodiment, the box portion 322 is glued to the side wall of the base plate 321 with adhesive. The controller assembly 30 also includes an operation panel 36 connected to the control chip 31. The box portion 322 has an opening 302 for exposing the operation panel 36. In this embodiment, the transition plate 33 is made of steel, the base plate 321 is made of aluminum alloy, and the box body 322 is made of steel, with the thickness of the box body 322 being less than the thickness of the base plate 321. In one embodiment, the box body 322 is made of 1.5mm thin steel plate. Of course, in other embodiments, the materials of the transition plate 33, the base plate 321, and the box body 322 can be other materials. It should be noted that the transition plate 33 is mainly used to strengthen the structural strength, so a high-strength material needs to be selected, and the base plate 321 needs to have good heat dissipation performance.

[0035] In this embodiment, a transition plate 33 connects the drive motor 20 and the housing 32 for mounting the control chip 31. The transition plate 33 is fitted and connected to the bottom plate 321 of the housing 32, which strengthens the structural connection. The bottom plate 321 of the housing 32 is made of aluminum alloy to ensure heat dissipation of the control chip 31, and the housing part 322 is made of thin steel for easy installation and manufacturing.

[0036] Furthermore, an opening 302 is provided at the housing 322 to expose the operation panel 36, which allows for convenient direct control of motor parameters and facilitates operation.

[0037] In a further embodiment, a heat dissipation rib (not shown) is provided in a target area on the side of the transition plate 33 near the rear end cover 23. The target area is the area located outside the second convex ring 232. The heat dissipation rib can be a protrusion on the surface of the transition plate 33, or it can be formed by creating grooves on the surface of the transition plate 33, with the area between the grooves forming the heat dissipation rib, or other commonly used heat dissipation structures.

[0038] In this embodiment, the heat dissipation performance of the control chip 31 can be further improved by setting heat dissipation ribs in the target area, and the raised heat dissipation ribs also help to enhance the strength of the transition plate 33.

[0039] like Figure 2As shown, in one embodiment, the control chip 31 is mounted on the base plate 321 via multiple support components 35, with the control chip 31 and the base plate 321 arranged at intervals. Figure 4 As shown, the housing 32 is further provided with an "L"-shaped heat sink 34. The heat sink 34 includes a first folding plate 341 and a second folding plate 342. The first folding plate 341 is connected to the bottom plate 321, and the second folding plate 342 is attached to the side wall of the housing 322. The second folding plate 342 is also in contact with the side wall of the control chip 31.

[0040] In this application, the heat sink 34 is in contact with the side of the control chip 31, which can quickly conduct the heat of the control chip 31 to the base plate 321 to increase the heat dissipation effect.

[0041] In one embodiment, the encoder 24 is an incremental magnetoelectric encoder 24, such as... Figure 2 As shown, the encoder 24 includes a magnet 241 and a sensing chip 242. The end of the motor shaft 21 has a mounting groove 211 for mounting the magnet 241. The inner wall of the first convex ring 231 has a mounting protrusion 233 for mounting the sensing chip 242. The sensing chip 242 is located within the first cavity 201. The sensing chip 242 and the control chip 31 are connected via communication, which can be wireless or wired. If wired communication is not available, the wiring harness of the sensing chip 242 can be connected to the control chip 31 through the partition plate 25, the transition plate 33, and the base plate 321.

[0042] The incremental magneto-electric encoder 24 has a small size and can be directly installed at the end of the motor shaft 21, which helps to further reduce the overall size of the product. The sensing chip 242 of the encoder 24 is correspondingly placed in the first cavity 201, and is separated from the controller assembly 30 by the partition plate 25 and the second cavity 202 to prevent direct heat influence between the two.

[0043] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An integrated speed reduction power device, characterized in that, The device includes a speed reducer, a drive motor, and a controller assembly connected in sequence. The input end of the speed reducer is connected to the output end of the drive motor. The controller assembly houses the control chip for the drive motor. The drive motor includes a motor shaft, a motor housing, and a rear end cover. An encoder is mounted on the end of the motor shaft near the controller. The rear end cover includes a base plate and a first protruding ring and a second protruding ring protruding from both sides of the base plate. The first protruding ring forms a first cavity for mounting the motor shaft and the encoder. The second protruding ring forms a second cavity. The side of the second protruding ring away from the base plate is connected to the controller assembly. A partition plate is provided between the first cavity and the second cavity.

2. The integrated reduction power device according to claim 1, characterized in that, The controller assembly also includes a housing and a transition plate. The transition plate is connected to the second convex ring. One side of the housing is fitted and connected to the transition plate. The control chip is disposed inside the housing.

3. The integrated reduction power device according to claim 2, characterized in that, The transition plate is provided with heat dissipation ribs in the target area on the side near the rear end cover, and the target area is the area located outside the second convex ring.

4. The integrated reduction power device according to claim 2, characterized in that, The box includes a bottom plate and a box body. The bottom plate is connected to the transition plate, and the inner wall of the side of the box body with an opening is connected to the side wall of the bottom plate.

5. The integrated reduction power device according to claim 4, characterized in that, The base plate is made of aluminum alloy, the box body is made of steel, and the thickness of the box body is less than the thickness of the base plate.

6. The integrated speed reduction power device according to claim 4, characterized in that, The housing is also equipped with an "L"-shaped heat sink, which includes a first folding plate and a second folding plate. The first folding plate is connected to the bottom plate, and the second folding plate is attached to the side wall of the housing. The second folding plate is also in contact with the side wall of the control chip.

7. The integrated reduction power device according to claim 4, characterized in that, The control chip is mounted on the base plate via multiple support components, with the control chip and the base plate arranged at intervals.

8. The integrated speed reduction power device according to claim 4, characterized in that, The controller assembly also includes an operation panel connected to the control chip, and the housing has an opening to expose the operation panel.

9. The integrated speed reduction power device according to any one of claims 1-8, characterized in that, The encoder is an incremental magneto-electric encoder and includes a magnet and a sensing chip. The end of the motor shaft is provided with a mounting groove for mounting the magnet. The inner wall of the first convex ring is formed with a mounting protrusion for mounting the sensing chip. The sensing chip is located in the first cavity.

10. The integrated speed reduction power device according to any one of claims 1-8, characterized in that, The drive motor is a permanent magnet synchronous motor, and the motor housing is connected to the reducer via a flange.

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