Convection type heat dissipation frame of non-inductive motor drive board

Abstract

The utility model discloses a convection type heat dissipation frame of a non-inductive motor driving plate, which relates to the field of motor drivers and comprises a placing plate, a ventilating plate is mounted in the middle of the top of the placing plate, a plurality of raised salient points are arranged on the top of the placing plate in an array manner, and guide rods are correspondingly mounted at two ends of the top of the placing plate. The two ends of an assembling plate are arranged on the outer sides of the upper portions of the two guide rods in a sleeving mode respectively, moving through grooves are correspondingly formed in the two ends of the top of the assembling plate, assembling bases are installed at the two ends of the top of the containing plate respectively, a two-way threaded rod is installed between the two assembling bases, and a rotating handle is installed in the middle of the two-way threaded rod. And a convection heat dissipation mechanism is arranged below the placing plate. By designing the convection heat dissipation mechanism, the heat dissipation efficiency and effect of the non-inductive motor drive board are improved, components on the non-inductive motor drive board and the drive board can operate normally, the operation stability of the non-inductive motor is improved, and meanwhile the service life of the non-inductive motor is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of motor drivers, in particular to a convection type heat dissipation frame of an inductive motor driving plate. Background Art

[0002] The sensorless motor determines the rotor position and changes phase through the electrically regulated back-EMF signal. Compared with the sensory motor, the sensorless motor has high transmission accuracy and stable speed. It is suitable for applications with higher requirements for speed and power. It has high efficiency, high operating speed, low noise, and relatively stable initial torque, and can withstand large loads.

[0003] The bracket for the inductive motor driver with the patent number CN218162076U includes a bracket plate, a mounting plate, a long screw and a support frame. The bottom of the bracket plate is provided with a mounting plate, the bottom of the mounting plate is connected to the support frame by welding, the long screws are inserted into the inside of the bracket plate and the mounting plate, the outside of the bracket plate and the mounting plate are provided with screw holes, the long screws penetrate the screw holes and are inserted into the inside of the support frame, and a fixing groove is provided on the surface of the bracket plate. The bracket for the inductive motor driver solves the problem of poor heat dissipation effect when the traditional inductive motor driver is installed and used by providing a special bracket plate structure, and can achieve the effect of suspension installation of the driver, which can improve the heat dissipation effect of the driver in the subsequent use process. The overall structure is simple and the functionality is strong. During use, it only relies on suspension installation and heat dissipation holes for heat dissipation, and the heat dissipation efficiency is low and the heat dissipation effect is poor.

[0004] The inductive motor realizes its function through the internal driver board. The driver board will generate a lot of heat when working. In order to protect the components on the driver board of the inductive motor and ensure the normal operation of the driver board, the inductive motor needs to be cooled in time. Utility Model Content

[0005] The purpose of the utility model is to provide a convection heat sink for an inductive motor driving board, so as to solve the problem in the above background technology that a large amount of heat generated by the inductive motor driving board during operation is not promptly processed, which will affect the components on the driving board and make the driving board operate normally.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a convection heat dissipation rack of an inductive motor drive plate, comprising: a placement plate, a breathable plate is installed in the middle of the top of the placement plate, a plurality of raised protrusions are arranged in an array on the top of the placement plate, guide rods are correspondingly installed at both ends of the top of the placement plate, two ends of the assembly plate are respectively sleeved on the outer sides above the two guide rods, movable through grooves are correspondingly opened at both ends of the top of the assembly plate, assembly seats are respectively installed at both ends of the top of the placement plate, a two-way threaded rod is installed between the two assembly seats, a rotating handle is installed in the middle of the two-way threaded rod, and moving blocks are sleeved at both ends of the two-way threaded rod, the bottoms of the two moving blocks are respectively connected to the tops of the limit blocks, and the bottoms of the two limit blocks pass through the moving through grooves one by one, and the bottoms of the two limit blocks are respectively connected to a clamping plate;

[0007] A convection heat dissipation mechanism is provided under the placement plate, and the convection heat dissipation mechanism is used to cool the inductive motor;

[0008] A mounting mechanism is provided below the placement plate, and the inductive motor is mounted on other devices using the mounting mechanism.

[0009] Furthermore, the convection heat dissipation mechanism includes a cooling fan, the top of which is installed at the bottom of the placement plate and directly below the air-permeable plate, one side of the bottom of the cooling fan is connected to one end of a connecting pipe, and the other end of the connecting pipe is installed below one side of the heat dissipation box.

[0010] Furthermore, a thermal insulation cover is installed on the top of the heat sink, and the top of the thermal insulation cover is installed on one side of the middle part of the bottom of the placement plate. A thermal conductive baffle is installed above the heat sink cavity, and a condenser is installed above the thermal conductive baffle, and the condenser is located between the thermal conductive baffle and the thermal insulation cover.

[0011] Furthermore, an air inlet is provided at the lower part of one side of the heat sink, an air outlet is provided at the other side of the heat sink, and the air outlet is connected to the connecting pipe. A serpentine air duct is installed between the two ends at the lower part of the heat sink cavity, and the two ends of the serpentine air duct are respectively connected to the air outlet and the air inlet.

[0012] Furthermore, the mounting mechanism includes a mounting base plate, support plates are correspondingly installed at both ends of the top of the mounting base plate, connecting plates are connected to the top of one side of the two support plates, and a plurality of T-shaped fixing grooves are arranged in an array on one side of the two connecting plates.

[0013] Furthermore, a plurality of T-shaped fixing blocks are slidably installed in the T-shaped fixing grooves of the two connecting plates, and the plurality of T-shaped fixing blocks are correspondingly installed in an array at the top of one side of the two L-shaped fixing plates, and adjustment plates are correspondingly installed at both ends of the bottom of the placement plate, and an adjustment turntable is opened in the middle of one side of the two adjustment plates, and a limiting opening is opened at both ends of one side of the two adjustment plates.

[0014] Furthermore, an adjusting screw is installed in each of the two adjusting rotating ports, an adjusting handle is installed on one side of the two adjusting screws, and the other side of the two adjusting screws is respectively installed on one side of the L-shaped fixing plate, both ends of one side of the two L-shaped fixing plates are connected to limiting rods, and a number of limiting rods pass through a number of limiting ports in pairs, and fixed triangle plates are installed on both sides of the two ends of the top of the mounting base plate, and one side of the fixed triangle plate is installed in pairs at the lower ends of one side of the two support plates.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. By designing a convection heat dissipation mechanism, the heat dissipation efficiency and effect of the inductive motor driver board are improved, the components on the inductive motor driver board and the driver board can operate normally, the stability of the inductive motor operation is improved, and the service life of the inductive motor is extended.

[0017] 2. Start the cooling fan to allow external wind to enter the serpentine air duct from the air inlet, and then be fanned out by the cooling fan through the connecting pipe. The wind fanned out by the cooling fan passes through the breathable plate to dissipate heat and cool down the inductive motor on the placement plate. The raised bumps on the placement plate can create space between the bottom of the inductive motor and the placement plate, which is convenient for the cooling fan to dissipate heat and achieve better heat dissipation effect.

[0018] 3. When external wind enters the serpentine air duct, the cold water between the bottom of the heat sink cavity and the thermal baffle will cool the wind, keeping the wind temperature low for better heat dissipation. The thermal baffle will guide the cold air generated by the condenser into the cold water to stabilize the cold water temperature. At the same time, the thermal insulation cover is used to prevent the cold air from the condenser from being introduced into the placement board, causing water vapor to be generated on the placement board, affecting the inductive motor on the placement board.

[0019] 4. By designing the installation mechanism, the sensorless motor does not need to be directly installed on other equipment, reducing the wear on the mounting holes of the sensorless motor during disassembly and assembly, and preventing the wear of the mounting holes from affecting the stability of the subsequent installation of the sensorless motor.

[0020] 5. Use the mounting base plate to replace the mounting hole of the inductive motor for assembly with other equipment. Turn the adjustment handle to move the adjustment screw with the L-shaped fixing plate. The mounting base plate can be disassembled and assembled by moving the L-shaped fixing plate, which is convenient for replacing the damaged mounting base plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the guide rod of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the assembly plate of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the heat dissipation fan of the utility model;

[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the heat dissipation box of the utility model;

[0026] Figure 6 This is a schematic diagram of the three-dimensional structure of the installation base plate of the utility model.

[0027] In the figure: 1. Placement plate; 2. Breathable plate; 3. Lifting convex point; 4. Guide rod; 5. Assembly plate; 6. Moving through groove; 7. Assembly seat; 8. Bidirectional threaded rod; 9. Turning handle; 10. Moving block; 11. Limit block; 12. Clamping plate; 13. Cooling fan; 14. Connecting pipe; 15. Heat sink; 16. Insulation cover; 17. Thermal baffle; 18. Condenser; 19. Air inlet; 20. Air outlet; 21. Snake-shaped air duct; 22. Mounting base plate; 23. Support plate; 24. Connecting plate; 25. T-shaped fixing groove; 26. L-shaped fixing plate; 27. T-shaped fixing block; 28. Adjustment plate; 29. ​​Adjustment turn mouth; 30. Limit mouth; 31. Adjustment screw; 32. Adjustment handle; 33. Limit rod; 34. Fixed triangle plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 6 The utility model provides the following technical solution: a convection type heat dissipation rack for a non-inductive motor drive plate, comprising: a placement plate 1, a breathable plate 2 is installed in the middle of the top of the placement plate 1, and a plurality of raised protrusions 3 are arranged in an array on the top of the placement plate 1;

[0030] Embodiment 1

[0031] like Figure 1-Figure 3As shown, the device is designed to facilitate the quick installation of the inductive motor on the device, as follows:

[0032] Guide rods 4 are correspondingly installed at both ends of the top of the placement plate 1, and the two ends of the assembly plate 5 are respectively sleeved on the outer sides above the two guide rods 4. The two ends of the top of the assembly plate 5 are correspondingly opened with movable through grooves 6, and the two ends of the top of the placement plate 1 are respectively installed with assembly seats 7, and a two-way threaded rod 8 is installed between the two assembly seats 7. A rotating handle 9 is installed in the middle of the two-way threaded rod 8. Both ends of the two-way threaded rod 8 are sleeved with moving blocks 10, and the bottoms of the two moving blocks 10 are respectively connected to the tops of the limit blocks 11, and the bottoms of the two limit blocks 11 pass through the movable through grooves 6 one by one, and the bottoms of the two limit blocks 11 are respectively connected with a clamping plate 12;

[0033] By turning the rotating handle 9, the moving block 10 on the bidirectional threaded rod 8 moves, so that the clamping plate 12 moves to fix and clamp the inductive motor. The guide rod 4 and the moving block 10 can fix inductive motors of various sizes, thereby improving the adaptability of the device. The clamping plate 12 is used to facilitate the replacement and maintenance of the inductive motor.

[0034] Embodiment 2

[0035] like Figure 4-Figure 5 As shown, the device quickly and timely dissipates heat from the inductive motor through a convection heat dissipation mechanism, as follows:

[0036] A convection heat dissipation mechanism is provided below the placement plate 1, and the convection heat dissipation mechanism is used to cool the inductive motor. A mounting mechanism is provided below the placement plate 1, and the inductive motor is mounted on other devices by the mounting mechanism. The convection heat dissipation mechanism includes a cooling fan 13, and the top of the cooling fan 13 is mounted on the bottom of the placement plate 1 and is located directly below the air-permeable plate 2. One side of the bottom of the cooling fan 13 is connected to one end of a connecting pipe 14, and the other end of the connecting pipe 14 is mounted below one side of a heat dissipation box 15. A heat-insulating cover 16 is installed on the top of the heat dissipation box 15, and the top of the heat-insulating cover 16 is installed on one side of the middle part of the bottom of the placement plate 1. A heat-conducting baffle 17 is installed above the cavity of the heat dissipation box 15, and a condenser 18 is installed above the heat-conducting baffle 17, and the condenser 18 is located between the heat-conducting baffle 17 and the heat-insulating cover 16.

[0037] An air inlet 19 is provided at the bottom of one side of the heat dissipation box 15, and an air outlet 20 is provided at the other side of the heat dissipation box 15, and the air outlet 20 is connected to the connecting pipe 14, and a serpentine air duct 21 is installed between the two ends at the bottom of the heat dissipation box 15 cavity, and the two ends of the serpentine air duct 21 are respectively connected to the air outlet 20 and the air inlet 19;

[0038] The condenser 18 is used to keep the cold water at the bottom of the heat conducting baffle 17 and the heat dissipation box 15 at a low temperature, so that the temperature of the cooling wind is stable. The heat insulating cover 16 is used to prevent a large amount of cold air from the condenser 18 from being introduced onto the placement plate 1 and contacting with the hot air on the placement plate 1, thereby generating a large amount of water vapor on the placement plate 1 and affecting the inductive motor. The heat conducting baffle 17 facilitates the introduction of the cold air from the condenser 18 into the cold water.

[0039] Embodiment 3

[0040] like Figure 1 and Figure 6 As shown, the device is designed with an installation mechanism to prevent the direct installation of the inductive motor from damaging the installation hole and affecting the stability of the inductive motor installation. The details are as follows:

[0041] The mounting mechanism includes a mounting base plate 22, and support plates 23 are correspondingly mounted at both ends of the top of the mounting base plate 22. A connecting plate 24 is connected to the top of one side of each of the two supporting plates 23. A plurality of T-shaped fixing grooves 25 are arranged in an array on one side of each of the two connecting plates 24. A plurality of T-shaped fixing blocks 27 are slidably mounted in the T-shaped fixing grooves 25 of the two connecting plates 24, and the plurality of T-shaped fixing blocks 27 are correspondingly mounted in an array on the top of one side of two L-shaped fixing plates 26. Adjustment plates 28 are correspondingly mounted at both ends of the bottom of the placement plate 1, and an adjustment turn 29 is arranged in the middle of one side of each of the two adjusting plates 28. Both ends of one side of the two adjustment plates 28 are provided with limit openings 30, and both adjustment rotating openings 29 are installed with adjustment screws 31, and one side of the two adjustment screws 31 is installed with adjustment handles 32, and the other sides of the two adjustment screws 31 are respectively installed on one side of the L-shaped fixing plate 26, and both ends of one side of the two L-shaped fixing plates 26 are connected with limit rods 33, and a plurality of limit rods 33 pass through a plurality of limit openings 30 in pairs, and fixed triangle plates 34 are installed on both sides of the top ends of the installation base plate 22, and one side of the fixed triangle plates 34 is installed with two ends of the lower side of one side of the two support plates 23 in pairs;

[0042] The support plate 23 is used to create an installation space between the installation base plate 22 and the placement plate 1, which is convenient for the installation of the convection heat dissipation mechanism. The fixed triangle plate 34 is used to stabilize the spatial structure between the installation base plate 22 and the placement plate 1. The limit opening 30 and the limit rod 33 are used to assist the adjustment screw 31 in moving the L-shaped fixed plate 26.

[0043] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A convection heat sink for an inductive motor drive board, characterized in that: include: A placement plate (1), wherein a breathable plate (2) is installed in the middle of the top of the placement plate (1), and a plurality of raised protrusions (3) are arranged in an array on the top of the placement plate (1), and guide rods (4) are correspondingly installed at both ends of the top of the placement plate (1), and two ends of an assembly plate (5) are respectively sleeved on the outer sides above the two guide rods (4), and movable through grooves (6) are correspondingly opened at both ends of the top of the assembly plate (5), and assembly seats (7) are respectively installed at both ends of the top of the placement plate (1), and a bidirectional threaded rod (8) is installed between the two assembly seats (7), and a rotating handle (9) is installed in the middle of the bidirectional threaded rod (8), and both ends of the bidirectional threaded rod (8) are sleeved with moving blocks (10), and the bottoms of the two moving blocks (10) are respectively connected to the tops of the limit blocks (11), and the bottoms of the two limit blocks (11) pass through the movable through grooves (6) one by one, and the bottoms of the two limit blocks (11) are respectively connected to a clamping plate (12); A convection heat dissipation mechanism is provided below the placement plate (1), and the convection heat dissipation mechanism is used to cool the inductive motor; A mounting mechanism is provided below the placement plate (1), and the inductive motor is mounted on other devices using the mounting mechanism.

2. The convection heat sink of the inductive motor drive board according to claim 1, characterized in that: The convection heat dissipation mechanism comprises a heat dissipation fan (13), the top of which is mounted on the bottom of the placement plate (1) and is located directly below the air permeable plate (2), one side of the bottom of the heat dissipation fan (13) is connected to one end of a connecting pipe (14), and the other end of the connecting pipe (14) is mounted below one side of a heat dissipation box (15).

3. The convection heat sink of the inductive motor drive board according to claim 2, characterized in that: A thermal insulation cover (16) is installed on the top of the heat dissipation box (15), and the top of the thermal insulation cover (16) is installed on one side of the middle part of the bottom of the placement plate (1). A thermal conduction baffle (17) is installed above the cavity of the heat dissipation box (15), and a condenser (18) is installed above the thermal conduction baffle (17), and the condenser (18) is located between the thermal conduction baffle (17) and the thermal insulation cover (16).

4. The convection heat sink of the inductive motor drive board according to claim 3, characterized in that: An air inlet (19) is provided at the bottom of one side of the heat dissipation box (15), and an air outlet (20) is provided at the other side of the heat dissipation box (15), and the air outlet (20) is connected to the connecting pipe (14). A serpentine air duct (21) is installed between the two ends at the bottom of the heat dissipation box (15) cavity, and the two ends of the serpentine air duct (21) are respectively connected to the air outlet (20) and the air inlet (19).

5. The convection heat sink of the inductive motor drive board according to claim 1, characterized in that: The mounting mechanism comprises a mounting base plate (22), support plates (23) are correspondingly mounted at both ends of the top of the mounting base plate (22), a connecting plate (24) is connected to the top of one side of the two support plates (23), and a plurality of T-shaped fixing grooves (25) are arranged in an array on one side of the two connecting plates (24).

6. The convection heat sink of the inductive motor drive board according to claim 5, characterized in that: A plurality of T-shaped fixing blocks (27) are slidably mounted in the T-shaped fixing grooves (25) of the two connecting plates (24), and the plurality of T-shaped fixing blocks (27) are correspondingly mounted in an array at the top of one side of the two L-shaped fixing plates (26). Adjustment plates (28) are correspondingly mounted at both ends of the bottom of the placement plate (1). An adjustment rotating opening (29) is provided in the middle of one side of the two adjustment plates (28), and a limiting opening (30) is provided at both ends of one side of the two adjustment plates (28).

7. The convection heat sink of the inductive motor drive board according to claim 6, characterized in that: An adjusting screw (31) is installed in each of the two adjusting rotating ports (29), an adjusting handle (32) is installed on one side of each of the two adjusting screws (31), and the other side of each of the two adjusting screws (31) is installed on one side of the L-shaped fixing plate (26). Both ends of one side of each of the two L-shaped fixing plates (26) are connected to limiting rods (33), and a plurality of limiting rods (33) pass through a plurality of limiting ports (30) in pairs. Fixed triangle plates (34) are installed on both sides of both ends of the top of the installation base plate (22), and one side of each of the fixed triangle plates (34) is installed in pairs at the lower ends of one side of the two support plates (23).

Images