Synchronous reluctance motor with damping structure

By using a combined structure of shock absorbing springs on the vertical rod and piezoelectric ceramic sheets in the synchronous reluctance motor, the problems of motor vibration and noise pollution are solved, and more stable connections and more efficient energy utilization are achieved.

CN119966145APending Publication Date: 2025-05-09WUHAN UNIV OF TECH
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Patent Information

Application Number
CN202510107928.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-05-09

AI Technical Summary

Technical Problem

The synchronous reluctance motor will vibrate when it rotates at high speed, resulting in noise pollution and unstable connections, affecting normal use.

Method used

A synchronous magnetoresistive motor with shock absorption structure is designed, using shock absorbing springs on the vertical rod to absorb vibration, and using shock power as the power to strike the piezoelectric ceramic sheet to ensure that the piezoelectric ceramic sheet has a piezoelectric effect, thereby improving energy utilization efficiency.

Benefits of technology

The vibration and noise of the motor are effectively reduced through the shock absorption structure, the connection stability and normal use performance of the device are improved, and the vibration power is used to generate power, which improves the performance of the device.

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Abstract

A synchronous reluctance motor with a damping structure disclosed by the present invention comprises a machine body, the bottom surface of the machine body is fixedly connected with L-shaped connecting blocks, the bottom surfaces of the L-shaped connecting blocks are jointly provided with a fixed bottom plate, and the peripheries of the inner walls of the L-shaped connecting blocks are all provided with connecting mechanisms; a conveying cavity is formed in the center of the interior of the fixed bottom plate, collecting cavities are formed in the positions, located on the lower sides of the L-shaped connecting blocks, of the interior of the fixed bottom plate, and conveying mechanisms are arranged on the lower sides of the inner walls of the collecting cavities. The connecting mechanism comprises a vertical rod fixedly connected to one side of the inner wall of the L-shaped connecting block, the lower side of the rod wall of the vertical rod is sleeved with a damping spring, and the damping spring can weaken noise generated by vibration of the motor.
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Description

Technical Field

[0001] The invention relates to the technical field of synchronous reluctance motors, and in particular to a synchronous reluctance motor with a damping structure. Background Art

[0002] The synchronous reluctance motor is a new type of AC motor that follows the principle of closed path with minimum reluctance and generates magnetic pull, namely reluctance torque, to drive the motor to rotate through the change of reluctance caused by the rotor at different positions. It has the advantages of simple structure, durability, high efficiency, wide speed regulation range and low cost. It is one of the common power output devices.

[0003] During the use of the synchronous reluctance motor, the internal rotor rotates at high speed, which will cause the overall vibration of the synchronous reluctance motor. The vibration of the synchronous reluctance motor will not only damage the connection position with other equipment, causing unstable connection of the synchronous reluctance motor and affecting the normal use of the synchronous reluctance motor, but also generate a large amount of working noise due to the vibration of the synchronous reluctance motor, causing noise pollution problems. In order to solve the above problems, a synchronous reluctance motor with a shock-absorbing structure is needed. Summary of the invention

[0004] The purpose of the present invention is to provide a synchronous reluctance motor with a shock-absorbing structure and stable working performance, which can reduce the noise generated by the vibration of the motor.

[0005] To achieve the above-mentioned purpose, the synchronous reluctance motor with a damping structure designed in the present invention comprises a body, characterized in that: an L-shaped connecting block is fixedly connected to the bottom surface of the body, a fixed bottom plate is provided on the bottom surface of the L-shaped connecting block, and connecting mechanisms are provided around the inner wall of the L-shaped connecting block;

[0006] A transmission cavity is provided at the center of the fixed bottom plate, a collection cavity is provided at the lower side of the L-shaped connection block, and a transmission mechanism is provided at the lower side of the inner wall of the collection cavity; the connection mechanism comprises a vertical rod fixedly connected to one side of the inner wall of the L-shaped connection block, and a shock absorbing spring is sleeved on the lower side of the vertical rod wall.

[0007] As a preferred solution, the upper side of the vertical rod wall is threadedly connected with a counterweight block, the lower side of the vertical rod wall is located in the collecting chamber and is fixedly connected to a limiting block, and the lower side of the vertical rod wall is located under the shock absorbing spring and is threadedly connected with a protective bolt, so as to avoid squeezing the piezoelectric ceramic sheet during transportation of the device.

[0008] Furthermore, the conveying mechanism includes a piezoelectric ceramic sheet fixedly connected to the lower side of the inner wall of the collecting chamber, a side of the piezoelectric ceramic sheet close to the transmission chamber is fixedly connected to a first conductive plate, an opposite side of the first conductive plate is fixedly connected to a second conductive plate, and an opposite side of the second conductive plate is commonly fixedly connected to a ceramic transformer.

[0009] Furthermore, a transmission wire is provided at the output end of the ceramic transformer, a knocking plate is fixedly connected to the lower ends of the vertical rods, and a knocking block is fixedly connected to the center of the bottom surface of the knocking plate.

[0010] As a preferred solution, the upper ends of the shock-absorbing springs are in contact with the bottom surfaces of the corresponding L-shaped connecting blocks, the rod walls of the vertical rods pass through the top surface of the fixed bottom plate and extend to the interior of the collecting chamber, and the surface of the protective bolts is in contact with the lower ends of the corresponding shock-absorbing springs.

[0011] Furthermore, one side of the first conductive plate close to the transmission chamber passes through the inner wall of the collection chamber and extends to the interior of the transmission chamber, and the right end of the transmission wire passes through one side of the inner wall of the transmission chamber and extends to the surface of the fixed bottom plate.

[0012] As a preferred solution, the top surfaces of the limit opening blocks are fixedly connected with rubber rings.

[0013] Furthermore, a connection groove is provided at the output end of the body, a standard block is provided at the front side of the body, a fixed shell block matching the connection groove is fixedly connected to the rear of the standard block, and an opening mechanism is provided on the inner wall of the fixed shell block.

[0014] Furthermore, the expansion mechanism includes a clamping rod slidably connected to the inner wall of the fixed shell block, the opposite ends of the clamping rod are fixedly connected to a pull block, the clamping rod wall is located inside the fixed shell block and is sleeved with a tension spring, and clamping grooves are opened around the inner wall of the connecting groove.

[0015] As a preferred solution, a standard groove is provided in front of the standard block, the diameter of the standard groove and the connecting groove are the same, the opposite ends of the tension spring are fixedly connected to the corresponding surfaces of the pull block and the inner wall of the fixed shell block respectively, and a stopper is fixedly connected to the opposite side of the inner wall of the fixed shell block to prevent the tension spring from retracting the clamping rod into the fixed shell block.

[0016] The present invention has the following beneficial effects:

[0017] 1. The present invention utilizes the shock-absorbing spring on the vertical rod to ensure that the vibration of the machine body during operation can be elastically absorbed by the shock-absorbing spring, thereby achieving a shock-absorbing effect during the operation of the machine body, and utilizes the guiding performance of the vertical rod to ensure that the machine body moves up and down on the vertical rod. While reducing the shock of the machine body, the vibration force can be used as a driving force to strike the piezoelectric ceramic piece, ensuring that the piezoelectric ceramic piece has a piezoelectric effect, thereby ensuring the utilization of energy. Through the above structure, it is ensured that the device adopts a soft connection structure, which can ensure the reduction of noise during the operation of the device, avoid the problem of looseness of the connection position between the device and other equipment, ensure the stable connection of the device, avoid affecting the normal use of the device, and avoid generating a large amount of working noise when the device is working, causing noise pollution problems, and the device can use vibration force to generate electricity, thereby improving the performance of the device.

[0018] 2. The present invention can increase the conveying axis length of the body through the setting of standard blocks, ensure that the device can better adapt to power output at different distances, the fixed shell block on the standard block can be clamped with the connecting groove, and under the tension of the tension spring, it can ensure that the clamping rod is tightly clamped with the clamping groove, and when the body rotates, under the action of centrifugal force, it can better ensure the tight extrusion and limiting of the clamping rod, and through the connection of multiple standard blocks, the output axis length of the body can be adjusted and increased, thereby increasing the overall adaptability of the body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The figure is a schematic diagram of the structure of a synchronous reluctance motor with a vibration reduction structure.

[0020] Figure 2 For the present invention Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0021] Figure 3 It is a schematic diagram of the vertically cut three-dimensional structure of the fixed base plate of the present invention.

[0022] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure of part B in the middle.

[0023] Figure 5 It is a cross-sectional three-dimensional structural schematic diagram of the fixed base plate of the present invention.

[0024] Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure of part C in the middle.

[0025] Figure 7 It is a schematic diagram of the vertical section of the three-dimensional structure of the body part of the present invention.

[0026] Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of part D in the middle.

[0027] Fig. 9 The figure is a three-dimensional structural diagram of the ceramic transformer of the present invention. The components in the figure are numbered as follows: body 1; L-shaped connecting block 2; fixed bottom plate 3; fixed hole 4; transmission chamber 5; collection chamber 6; vertical rod 7; counterweight opening block 8; shock absorbing spring 9; limit opening block 10; protection bolt 11; piezoelectric ceramic sheet 12; first conductive plate 13; second conductive plate 14; ceramic transformer 15; transmission wire 16; knocking plate 17; knocking block 18; rubber ring 19; connecting groove 20; standard block 21; standard groove 22; clamping rod 23; pulling block 24; tension spring 25; stopper 26; lifting ring 27; fixed hole plate 28; fixed shell block 29; clamping groove 30. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the embodiments should not be construed as limiting the present invention.

[0029] like Figures 1 to 9 As shown, the synchronous reluctance motor with a damping structure described in this embodiment includes a body 1, characterized in that: an L-shaped connecting block 2 is fixedly connected to the bottom surface of the body 1, a fixing hole 4 is opened at the center of the lower side of the inner wall of the L-shaped connecting block 2, a fixed bottom plate 3 is commonly provided on the bottom surface of the L-shaped connecting block 2, and connecting mechanisms are provided around the inner wall of the L-shaped connecting block 2;

[0030] A transmission chamber 5 is provided at the center of the fixed base plate 3, and a collection chamber 6 is provided inside the fixed base plate 3 at the lower side of the L-shaped connecting block 2. A transmission mechanism is provided on the lower side of the inner wall of the collecting chamber 6; the connecting mechanism includes a vertical rod 7 fixedly connected to one side of the inner wall of the L-shaped connecting block 2, and a shock-absorbing spring 9 is sleeved on the lower side of the rod wall of the vertical rod 7.

[0031] In this embodiment, the upper side of the rod wall of the vertical rod 7 is threadedly connected to a counterweight opening block 8, the lower side of the rod wall of the vertical rod 7 is located in the collecting chamber 6 and is fixedly connected to a limiting opening block 10, and the lower side of the rod wall of the vertical rod 7 is located under the shock-absorbing spring 9 and is threadedly connected to a protective bolt 11, thereby preventing the piezoelectric ceramic sheet 12 from being squeezed during transportation of the device.

[0032] In this embodiment, the conveying mechanism includes a piezoelectric ceramic sheet 12 fixedly connected to the lower side of the inner wall of the collecting chamber 6, and the piezoelectric ceramic sheet 12 is fixedly connected to a first conductive plate 13 on a side close to the transmission chamber 5, and the opposite side of the first conductive plate 13 is fixedly connected to a second conductive plate 14, and the opposite side of the second conductive plate 14 is commonly fixedly connected to a ceramic transformer 15.

[0033] In this embodiment, a transmission wire 16 is provided at the output end of the ceramic transformer 15 , a knocking plate 17 is fixedly connected to the lower end of the vertical rod 7 , and a knocking block 18 is fixedly connected to the center of the bottom surface of the knocking plate 17 .

[0034] In this embodiment, the upper ends of the shock-absorbing springs 9 are respectively in contact with the bottom surfaces of the corresponding L-shaped connecting blocks 2, the rod walls of the vertical rods 7 pass through the top surface of the fixed bottom plate 3 and extend to the interior of the collecting chamber 6, and the surfaces of the protective bolts 11 are in contact with the lower ends of the corresponding shock-absorbing springs 9.

[0035] In this embodiment, one side of the first conductive plate 13 close to the transmission chamber 5 passes through the inner wall of the collecting chamber 6 and extends to the interior of the transmission chamber 5 . The right end of the transmission wire 16 passes through one side of the inner wall of the transmission chamber 5 and extends to the surface of the fixed base plate 3 .

[0036] In this embodiment, the top surface of the limiting opening block 10 is fixedly connected with a rubber ring 19 .

[0037] In this embodiment, a connection groove 20 is provided at the output end of the body 1, a standard block 21 is provided on the front side of the body 1, a fixed shell block 29 matching the connection groove 20 is fixedly connected to the back of the standard block 21, and an opening mechanism is provided on the inner wall of the fixed shell block 29.

[0038] In this embodiment, the expansion mechanism includes a clamping rod 23 slidably connected to the inner wall of the fixed shell block 29, and the opposite ends of the clamping rod 23 are fixedly connected to a pull block 24. The rod wall of the clamping rod 23 is located inside the fixed shell block 29 and is sleeved with a tension spring 25. The inner wall of the connecting groove 20 is provided with clamping grooves 30 around it.

[0039] In this embodiment, a standard groove 22 is provided in front of the standard block 21. The standard block 21 is a cylindrical structure with a groove on one side of the surface. The diameter of the standard groove 22 and the connecting groove 20 are the same. The opposite end of the tension spring 25 is fixedly connected to the corresponding surface of the pull block 24 and the inner wall of the fixed shell block 29 respectively. A stop block 26 is fixedly connected to the opposite side of the inner wall of the fixed shell block 29, so as to prevent the tension spring 25 from retracting the clamping rod 23 into the fixed shell block 29.

[0040] In this embodiment, there are at least four L-shaped connecting blocks 2, collecting chambers 6, vertical rods 7, shock-absorbing springs 9, protective bolts 11, first conductive plates 13, second conductive plates 14, clamping rods 23, and tension springs 25.

[0041] The working process of this embodiment is as follows. When the device is used, the protective bolt 11 is first removed to avoid the impact of the vertical rod 7 on the piezoelectric ceramic sheet 12 during transportation. The device uses the shock-absorbing spring 9 on the vertical rod 7 to ensure that the vibration of the body 1 during operation can be elastically absorbed by the shock-absorbing spring 9, thereby achieving a shock-absorbing effect during the operation of the body 1, and uses the guiding performance of the vertical rod 7 to ensure that the body 1 moves up and down on the vertical rod 7. While the body 1 is damped, the vibration force can be used as a power to strike the piezoelectric ceramic sheet 12, ensuring that the piezoelectric ceramic sheet 12 has a piezoelectric effect, thereby ensuring The energy utilization is improved; through the setting of the standard block 21, the conveying shaft length of the body 1 is increased, ensuring that the device can better adapt to the power output of different distances, the fixed shell block 29 on the standard block 21 can be clamped with the connecting groove 20, and under the tension of the tension spring 25, it can ensure that the clamping rod 23 is tightly clamped with the clamping groove 30, and when the body 1 rotates, under the action of centrifugal force, the clamping effect of the clamping rod 23 and the clamping groove 30 is further improved, and through the connection of multiple standard blocks 21, the output shaft length of the body 1 can be adjusted and increased, thereby increasing the overall adaptability of the body 1.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A synchronous reluctance motor with a damping structure, comprising a body (1), characterized in that: The bottom surface of the machine body (1) is fixedly connected to an L-shaped connection block (2), the bottom surface of the L-shaped connection block (2) is provided with a fixed bottom plate (3), and the inner wall of the L-shaped connection block (2) is provided with connection mechanisms all around; A transmission chamber (5) is provided at the center of the fixed bottom plate (3), a collection chamber (6) is provided inside the fixed bottom plate (3) at the lower side of the L-shaped connection block (2), and a transmission mechanism is provided at the lower side of the inner wall of the collection chamber (6); the connection mechanism comprises a vertical rod (7) fixedly connected to one side of the inner wall of the L-shaped connection block (2), and a shock-absorbing spring (9) is sleeved on the lower side of the rod wall of the vertical rod (7).

2. The synchronous reluctance motor with a damping structure according to claim 1, characterized in that: The upper side of the rod wall of the vertical rod (7) is threadedly connected to a counterweight opening block (8); the lower side of the rod wall of the vertical rod (7) is located in the collecting chamber (6) and is fixedly connected to a limiting opening block (10); the lower side of the rod wall of the vertical rod (7) is located under the shock absorbing spring (9) and is threadedly connected to a protective bolt (11), thereby preventing the piezoelectric ceramic sheet (12) from being squeezed during transportation of the device.

3. The synchronous reluctance motor with a damping structure according to claim 2, characterized in that: The conveying mechanism comprises a piezoelectric ceramic sheet (12) fixedly connected to the lower side of the inner wall of the collecting chamber (6); a first conductive plate (13) is fixedly connected to a side of the piezoelectric ceramic sheet (12) close to the conveying chamber (5); a second conductive plate (14) is fixedly connected to an opposite side of the first conductive plate (13); and a ceramic transformer (15) is fixedly connected to an opposite side of the second conductive plate (14).

4. The synchronous reluctance motor with a damping structure according to claim 3, characterized in that: The output end of the ceramic transformer (15) is provided with a transmission wire (16), the lower ends of the vertical rods (7) are fixedly connected to a knocking plate (17), and a knocking block (18) is fixedly connected to the center of the bottom surface of the knocking plate (17).

5. The synchronous reluctance motor with a damping structure according to claim 4, characterized in that: The upper ends of the shock-absorbing springs (9) are in contact with the bottom surfaces of the corresponding L-shaped connecting blocks (2), the rod walls of the vertical rods (7) penetrate the top surface of the fixed bottom plate (3) and extend to the interior of the collecting chamber (6), and the surfaces of the protective bolts (11) are in contact with the lower ends of the corresponding shock-absorbing springs (9).

6. The synchronous reluctance motor with a damping structure according to claim 5, characterized in that: A side of the first conductive plate (13) close to the transmission chamber (5) passes through the inner wall of the collecting chamber (6) and extends to the interior of the transmission chamber (5); a right end of the transmission wire (16) passes through one side of the inner wall of the transmission chamber (5) and extends to the surface of the fixed bottom plate (3).

7. The synchronous reluctance motor with a damping structure according to claim 6, characterized in that: The top surface of the limit opening block (10) is fixedly connected with a rubber ring (19).

8. The synchronous reluctance motor with a damping structure according to claim 7, characterized in that: The output end of the machine body (1) is provided with a connection groove (20), the front side of the machine body (1) is provided with a standard block (21), the rear side of the standard block (21) is fixedly connected with a fixed shell block (29) matching the connection groove (20), and the inner wall of the fixed shell block (29) is provided with a propping mechanism.

9. The synchronous reluctance motor with a damping structure according to claim 8, characterized in that: The spreading mechanism comprises a clamping rod (23) slidably connected to the inner wall of the fixed shell block (29), the opposite end of the clamping rod (23) is fixedly connected to a pulling block (24), the rod wall of the clamping rod (23) is located inside the fixed shell block (29) and is sleeved with a tension spring (25), and clamping grooves (30) are provided around the inner wall of the connecting groove (20).

10. The synchronous reluctance motor with a damping structure according to claim 9, characterized in that: A standard groove (22) is provided in front of the standard block (21), and the diameter of the standard groove (22) and the connecting groove (20) are the same. The opposite ends of the tension spring (25) are respectively fixedly connected to the corresponding surfaces of the pull block (24) and the inner wall of the fixed shell block (29). A stopper (26) is fixedly connected to the opposite side of the inner wall of the fixed shell block (29), so as to prevent the tension spring (25) from receiving the clamping rod (23) into the fixed shell block (29).