Device for measuring temperatures of stator and bearing of motor
By designing a limiting mechanism for a motor stator and bearing temperature measurement device, rapid clamping and stable limiting are achieved, solving the problems of low efficiency and poor stability in traditional wiring processes, and improving operational efficiency and measurement accuracy.
Patent Information
- Application Number
- CN202520593489.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-04-01
AI Technical Summary
The wiring process for traditional electric motor stator and bearing temperature measurement devices is cumbersome, requiring each wiring bolt to be tightened individually, resulting in low wiring efficiency, high labor intensity for operators, and difficulty in ensuring wiring stability.
A measuring device comprising a temperature measuring module body and a limiting mechanism was designed. The crossbar drives the clamping plate to clamp synchronously. Combined with the insertion rod and rectangular movable shell design of the limiting mechanism, it can achieve rapid clamping and stable limiting of multiple wiring.
It enables quick clamping of multiple wires, reduces the labor intensity of operators, improves wiring efficiency, and ensures the stability of wiring and the accuracy of measurement data.
Smart Images

Figure CN223796144U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor monitoring technology, specifically to a measuring device for the temperature of the stator and bearings of an electric motor. Background Technology
[0002] During the operation of an electric motor, the temperature of the stator and bearings is an important parameter reflecting its working condition. Excessive temperature may lead to a decrease in motor performance or even cause malfunctions, affecting the normal operation and service life of the motor. Therefore, it is crucial to accurately measure the temperature of the motor stator and bearings.
[0003] Traditional motor stator and bearing temperature measuring devices typically require connecting multiple wires during the wiring process. However, existing wiring methods are often cumbersome, requiring the tightening of multiple wire bolts one by one. It is difficult to quickly clamp and limit multiple wires, resulting in low wiring efficiency, increased labor intensity and working time for operators, and the stability of the wiring is also difficult to guarantee, which may lead to loosening and affect the normal operation of the device. Utility Model Content
[0004] In view of the problems existing in the above-mentioned measuring devices for the temperature of motor stator and bearings, this utility model is proposed.
[0005] Therefore, the purpose of this invention is to provide a measuring device for the temperature of the stator and bearings of an electric motor, which solves the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A measuring device for measuring the temperature of the stator and bearings of an electric motor includes a temperature measuring module body. A terminal block is fixedly mounted at both ends of the temperature measuring module body. Multiple wiring holes are formed on the surface of the terminal block. A conductive block is fixedly mounted on one side of each wiring hole. The conductive blocks are electrically connected to the temperature measuring module body. Clamping plates are slidably mounted inside the wiring holes and on one side of the conductive blocks. A crossbar is mounted on the front side of the terminal block. One side of each clamping plate is fixedly sleeved onto the crossbar. A limiting mechanism is provided on the outer wall of one side of the terminal block to restrict the movement of the crossbar.
[0008] Preferably, the limiting mechanism includes a fixed shell and a plug rod. The fixed shell is fixedly disposed on one outer wall of the terminal block. A connecting plate is fixedly disposed at one end of the crossbar near the fixed shell. A movable shell is slidably disposed inside the fixed shell. A sliding rod is fixedly disposed on one side of the movable shell near the connecting plate. One end of the sliding rod extends to the outside of the fixed shell and is fixedly connected to the connecting plate. A slider is slidably disposed inside the movable shell. The plug rod is fixedly disposed on one side of the slider. Through holes are opened on the side walls of both the movable shell and the fixed shell at positions corresponding to the plug rod. One end of the plug rod passes through two through holes.
[0009] Preferably, limit rods are fixedly provided on both sides of the interior of the movable shell, and the two ends of the slider are respectively movably sleeved with the corresponding limit rods.
[0010] Preferably, the limiting rod has a spring movably sleeved on its wall, and the two ends of the spring are fixedly connected to the corresponding slider and the inner wall of the movable shell, respectively.
[0011] Preferably, the longitudinal sections of both the fixed shell and the movable shell are rectangular.
[0012] Preferably, a wiring hole identification nameplate is provided on the front side of the temperature measuring module body at a position corresponding to the wiring board.
[0013] The technical effects and advantages provided by this utility model in the above technical solution are as follows:
[0014] 1. This utility model, by setting up clamping plates that are fixedly connected to the crossbar, can drive multiple clamping plates to move synchronously simply by moving the crossbar. Compared with the traditional method of tightening the wiring bolts one by one, it can quickly clamp and limit multiple wirings, greatly shorten the wiring time, significantly improve the wiring efficiency, and effectively reduce the labor intensity of operators.
[0015] 2. This utility model, through the insertion rod in the limiting mechanism passing through the through hole of the movable shell and the fixed shell, combined with the rectangular longitudinal section design of the movable shell and the fixed shell, and the movable sleeve of the slider and the limiting rod, can stably limit the movement of the crossbar, thereby ensuring the stable and reliable clamping state of the clamping plate connecting line, avoiding loosening of the wiring, ensuring the stability of the device operation, and ensuring the accuracy of the measurement data. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0017] Figure 1This is a schematic diagram of the structure of a device for measuring the temperature of the stator and bearings of an electric motor, as proposed in this utility model.
[0018] Figure 2 for Figure 1 A 3D view of the central junction box;
[0019] Figure 3 for Figure 2 A magnified schematic diagram of part A in the middle section.
[0020] Explanation of reference numerals in the attached figures:
[0021] 1. Temperature measurement module body; 2. Terminal block; 3. Conductive block; 4. Clamping plate; 5. Crossbar; 6. Connecting plate; 7. Wiring hole identification plate; 8. Fixed shell; 9. Sliding rod; 10. Movable shell; 11. Sliding block; 12. Insertion rod; 13. Limiting rod; 14. Spring. Detailed Implementation
[0022] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0023] This utility model discloses a device for measuring the temperature of the stator and bearings of an electric motor.
[0024] Reference Figure 1-3 A device for measuring the temperature of the stator and bearings of an electric motor includes a temperature measuring module body 1. A terminal block 2 is fixedly mounted at both ends of the temperature measuring module body 1. Multiple wiring holes are formed on the surface of the terminal block 2. A conductive block 3 is fixedly mounted on one side of each wiring hole. The conductive blocks 3 are electrically connected to the temperature measuring module body 1. A clamping plate 4 is slidably mounted inside each wiring hole and on one side of the conductive block 3. A crossbar 5 is mounted on the front side of the terminal block 2. One side of each clamping plate 4 is fixedly sleeved onto the crossbar 5. A wiring hole identification plate 7 is mounted on the front side of the temperature measuring module body 1 at a position corresponding to the terminal block 2 to facilitate identification of the function of each wiring hole.
[0025] Reference Figure 1-3A limiting mechanism is provided on one side of the outer wall of the terminal block 2 to restrict the movement of the crossbar 5. The limiting mechanism includes a fixed shell 8 and a plug rod 12. The fixed shell 8 is fixedly installed on one side of the outer wall of the terminal block 2. A connecting plate 6 is fixedly installed on one end of the crossbar 5 near the fixed shell 8. A movable shell 10 is slidably installed inside the fixed shell 8. The longitudinal sections of both the fixed shell 8 and the movable shell 10 are rectangular, so that the movable shell 10 cannot rotate, that is, it can slide stably inside the fixed shell 8. A sliding rod 9 is fixedly installed on the side of the movable shell 10 near the connecting plate 6. One end of the sliding rod 9 extends to the outside of the fixed shell 8 and is fixedly connected to the connecting plate 6. A slider 11 is slidably installed inside the movable shell 10. The plug rod 12 is fixedly installed on one side of the slider 11. Through holes are opened on the side walls of the movable shell 10 and the fixed shell 8 at positions corresponding to the plug rod 12. One end of the plug rod 12 passes through two through holes.
[0026] Reference Figure 1-3 Limiting rods 13 are fixedly installed on both sides of the interior of the movable shell 10. The two ends of the slider 11 are respectively movably connected to the corresponding limiting rods 13, so that the slider 11 cannot rotate, that is, it can slide stably inside the movable shell 10. A spring 14 is movably connected to the rod wall of the limiting rod 13. The two ends of the spring 14 are respectively fixedly connected to the corresponding slider 11 and the inner wall of the movable shell 10, so as to facilitate the reset of the slider 11.
[0027] In this utility model, during use, first determine the corresponding wiring hole of the wiring to be connected according to the wiring hole marking nameplate 7, insert the wiring into the wiring hole, so that the wiring contacts the conductive block 3, then move the crossbar 5, the crossbar 5 drives the clamping plate 4 fixedly connected to it to move, the clamping plate 4 presses the wiring tightly on the conductive block 3, and completes the clamping of the wiring. After clamping, release the plug rod 12, under the elastic force of the spring 14, the slider 11 drives the plug rod 12 to return to the original position, the plug rod 12 inserts into the through hole of the fixed shell 8, restricts the movement of the crossbar 5, and ensures that the clamping state of the clamping plate 4 is stable when connecting the wiring. When it is necessary to disassemble the wiring, pull the plug rod 12 again to make the plug rod 12 disengage from the through hole, move the crossbar 5 to drive the clamping plate 4 to release the wiring, and the wiring can be pulled out.
[0028] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A measuring device for the temperature of the stator and bearings of an electric motor, comprising a temperature measuring module body (1), characterized in that, Both ends of the temperature measuring module body (1) are fixedly provided with wiring plates (2). Multiple wiring holes are opened on the surface of the wiring plates (2). A conductive block (3) is fixedly provided on one side of the multiple wiring holes. The multiple conductive blocks (3) are electrically connected to the temperature measuring module body (1). A clamping plate (4) is slidably provided inside the multiple wiring holes and on one side of the conductive block (3). A crossbar (5) is provided on the front side of the wiring plate (2). One side of the multiple clamping plates (4) is fixedly sleeved with the crossbar (5). A limiting mechanism for restricting the movement of the crossbar (5) is provided on one side of the outer wall of the wiring plate (2).
2. The measuring device for the temperature of the stator and bearings of an electric motor according to claim 1, characterized in that, The limiting mechanism includes a fixed shell (8) and a plug rod (12). The fixed shell (8) is fixedly installed on one side of the outer wall of the wiring plate (2). A connecting plate (6) is fixedly installed on one end of the crossbar (5) near the fixed shell (8). A movable shell (10) is slidably installed inside the fixed shell (8). A sliding rod (9) is fixedly installed on one side of the movable shell (10) near the connecting plate (6). One end of the sliding rod (9) extends to the outside of the fixed shell (8) and is fixedly connected to the connecting plate (6). A slider (11) is slidably installed inside the movable shell (10). The plug rod (12) is fixedly installed on one side of the slider (11). Through holes are opened on the side walls of the movable shell (10) and the fixed shell (8) at positions corresponding to the plug rod (12). One end of the plug rod (12) passes through the two through holes.
3. The measuring device for the temperature of the stator and bearings of an electric motor according to claim 2, characterized in that, Limiting rods (13) are fixedly installed on both sides of the interior of the movable shell (10), and the two ends of the slider (11) are respectively movably connected to the corresponding limiting rods (13).
4. The measuring device for the temperature of the stator and bearings of an electric motor according to claim 3, characterized in that, The limiting rod (13) has a spring (14) movably sleeved on its wall. The two ends of the spring (14) are fixedly connected to the corresponding slider (11) and the inner wall of the movable shell (10), respectively.
5. The measuring device for measuring the temperature of the stator and bearings of an electric motor according to claim 2, characterized in that, Both the fixed shell (8) and the movable shell (10) have rectangular longitudinal sections.
6. The measuring device for the temperature of the stator and bearings of an electric motor according to claim 1, characterized in that, A wiring hole identification nameplate (7) is provided on the front side of the temperature measurement module body (1) and at the position corresponding to the wiring board (2).