CN217883138U - Motor temperature sensor mounting structure and motor element - Google Patents
Motor temperature sensor mounting structure and motor element Download PDFInfo
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- CN217883138U CN217883138U CN202221361696.7U CN202221361696U CN217883138U CN 217883138 U CN217883138 U CN 217883138U CN 202221361696 U CN202221361696 U CN 202221361696U CN 217883138 U CN217883138 U CN 217883138U
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- temperature sensor
- motor
- stator winding
- mounting structure
- heat
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Abstract
The utility model discloses a motor temperature sensor mounting structure and motor element, include: the motor comprises a shell and a stator winding arranged in the shell; the control board is arranged in the shell and is electrically connected with the stator winding; the temperature sensor is electrically connected with the control board and used for sensing the temperature of the stator winding; the heat conducting piece is constructed to be a flexible structure, one end of the heat conducting piece is in contact with the surface of the stator winding in a fitting mode, the other end of the heat conducting piece is in contact with the surface of the temperature sensor in a fitting mode, and heat is transferred between the stator winding and the temperature sensor, so that the technical problem that the temperature of the motor stator winding in the prior art is not detected accurately and sensitively is solved.
Description
Technical Field
The utility model belongs to the technical field of motor temperature control, concretely relates to motor temperature sensor mounting structure and motor element.
Background
In order to ensure the normal work of the motor, the temperature of the motor needs to be accurately controlled, and the motor is prevented from being burnt out due to high temperature. The accuracy of motor temperature control relies on high sensitivity and high accuracy motor temperature sensors. Therefore, it is very critical to ensure that the temperature controller senses temperature more quickly and accurately and responds and operates in time. The fixing mode of the temperature sensor often determines the sensitivity of the temperature sensor to the sensing temperature.
In existing motors, the temperature sensor is typically mounted on the housing or stator winding. For the motor that temperature sensor installed on the casing, the heat is conducted stator core by stator winding earlier, and stator core is with heat conduction to casing again, just at last by casing transmission to temperature sensor, and heat transfer route is too high long, leads to stator winding temperature itself and sensor temperature to appear certain difference, brings the overheated unable risk that obtains the protection of motor stator winding. For the existing motor with the temperature sensor directly arranged on the stator winding, the volume of the stator winding of the motor is too small, the temperature sensor is difficult to install, and the temperature difference and the reaction delay exist due to poor heat transfer efficiency of the connecting structure.
Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that the temperature detection of motor stator winding is not accurate enough and sensitive among the prior art.
In order to solve the technical problem, the utility model provides a motor temperature sensor's mounting structure, include:
a motor including a housing and a stator winding disposed within the housing;
the control board is arranged in the shell and is electrically connected with the stator winding;
the temperature sensor is electrically connected with the control board and used for sensing the temperature of the stator winding;
and the heat conducting piece is constructed into a flexible structure, one end of the heat conducting piece is in fit contact with the surface of the stator winding, and the other end of the heat conducting piece is in fit contact with the surface of the temperature sensor and is used for heat transfer between the stator winding and the temperature sensor.
In one embodiment, the temperature sensor is fixed on the surface of the control board.
In one embodiment, the control board comprises an inner surface facing the stator winding, and the temperature sensor is fixedly arranged on the inner surface of the control board.
In one embodiment, the temperature sensor comprises an inner end face fixedly connected with the control board, an outer end face opposite to the inner end face and a side face located between the outer end face and the inner end face, and the heat conduction member covers the side face and the outer end face of the temperature sensor.
In one embodiment, the heat conduction member is closely attached to the side surface and the outer end surface of the temperature sensor.
In one embodiment, the heat conducting member is attached to an inner surface of the control plate.
In one embodiment, the temperature sensor is hermetically disposed between the heat-conducting member and the control board.
In one embodiment, the heat conducting member is a heat conducting silicone grease.
In one embodiment, the motor is a servo motor.
Furthermore, the utility model also provides a motor element, including the motor temperature sensor's that any above-mentioned embodiment provided mounting structure.
The utility model provides a technical scheme has following advantage:
the utility model provides a motor temperature sensor mounting structure and motor element including this mounting structure, through flexible heat-conducting piece one end laminating stator winding surface, other end laminating temperature sensor's surface to with heat conduction connection between temperature sensor and the stator winding, the heat transfer between the temperature sensor of being convenient for and the stator winding, thereby reduce the temperature and detect delay, improve the accuracy and the sensitivity that temperature sensor detected.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of a motor assembly according to an embodiment of the present invention;
FIG. 2 is a structural schematic diagram of a cross-section of the motor assembly shown in FIG. 1;
fig. 3 is a partially enlarged view of a region a of the cross-sectional structure of fig. 2.
Description of reference numerals:
1-a motor; 10-a stator winding; 11-a housing; 5-control panel; 3-a temperature sensor; 2-heat conducting member.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
Example 1
The embodiment provides a mounting structure of a motor temperature sensor. Fig. 1 shows a motor assembly having the motor temperature sensor mounting structure, fig. 2 is a sectional structure view of the motor assembly shown in fig. 1, and fig. 3 is a partially enlarged view of a region a of the sectional structure view shown in fig. 2.
Referring to fig. 1-3, the mounting structure of the motor temperature sensor comprises a motor 1, a control board 5 and a temperature sensor 3.
The electric machine 1 comprises a machine housing 11 and a stator winding 10 arranged in the machine housing 11. The control board 5 is disposed in the casing 11 and electrically connected to the stator winding 10 for controlling electrical parameters of the stator winding 10. In particular, the electrical parameter may be a current or a voltage. The control plate 5 is a plate-shaped structure and is positioned on one side of the stator winding, and the plate-shaped surface of the control plate is approximately vertical to the rotating shaft of the motor.
The temperature sensor 3 for sensing the temperature of the stator winding 10 is electrically connected to the control board 5, thereby transmitting a sensed temperature signal to the control board 5. Likewise, the temperature sensor 3 is also disposed in the housing 11.
The mounting structure of the motor temperature sensor provided by the embodiment further comprises a heat conducting member 2 for connecting the temperature sensor 3 with the stator winding in a heat conducting manner, so that heat transfer between the stator winding 10 and the temperature sensor 5 is facilitated.
Specifically, the heat conduction member 2 is configured as a flexible structure, that is, the heat conduction member 2 is a flexible heat conduction member, and the shape thereof can be changed at will and can be adapted according to the structure profile of the specific connection so as to fit the structure profile of the connection. More specifically, one end of the heat conducting member 2 is in close contact with the surface of the stator winding 10, and the other end of the temperature sensor 3 is in close contact with the surface.
The motor temperature sensor's that this embodiment provided mounting structure is connected temperature sensor and stator winding heat conduction through flexible heat-conducting piece, one end laminating stator winding surface, other end laminating temperature sensor's surface to be convenient for the heat transfer between temperature sensor and the stator winding, reduce temperature sensor's temperature detection and postpone, improve temperature sensor's accuracy and sensitivity of detecting the temperature.
In the prior art, a temperature sensor is fixed on a stator winding or a machine shell, and a lead of the temperature sensor must be led out together with a three-phase power line, so that the process installation flow is complex. In order to facilitate the installation of the temperature sensor, in one embodiment, the temperature sensor is fixed on the surface of the control board 5, so that a connection lead is not required, and the installation structure of the temperature sensor is simplified.
Specifically, the control board 5 includes an inner surface facing the stator winding 10, and the temperature sensor 3 is fixedly disposed on the inner surface of the control board 5. Thus, the temperature sensor 3 is disposed facing the stator winding 10, shortening the heat transfer path between the temperature sensor 3 and the stator winding 10, and reducing heat loss and heat delay.
More specifically, the temperature sensor 3 includes an inner end surface fixedly connected to the control board 5, an outer end surface opposite to the inner end surface, and a side surface between the outer end surface and the inner end surface. The heat conduction member 2 covers the side surface and the outer end surface of the temperature sensor 3. Therefore, more surfaces of the temperature sensor 3 are wrapped by the heat conducting piece 2, the heat transfer area is increased, and the accuracy of temperature transfer is ensured.
Further, the side face and the outer end face of the heat conducting piece 2 and the temperature sensor 3 are tightly attached, namely, no gap exists between the heat conducting piece 2 and the temperature sensor 3, so that the attachment is tight, and the temperature transmission delay is reduced.
In one embodiment, the heat-conducting member 2 is attached to the inner surface of the control plate 5. The heat conducting piece 2 is attached to the control board 5, so that the temperature sensor 3 can be isolated to a greater extent, and the temperature interference on the temperature sensor 3 is reduced.
In one embodiment, the temperature sensor 3 is hermetically disposed between the heat-conducting member 2 and the control board 5. Specifically, heat-conducting member 2 covers the surface that exposes at temperature sensor 3 completely to the internal surface laminating of control panel 5 around the temperature sensor sets up temperature sensor 3 is sealed, ensures temperature sensor 3's temperature detection accuracy.
In particular, the heat-conducting member 2 may surround the heat-conducting silicone grease. Of course, the heat conducting member 2 may be another flexible material having high thermal conductivity.
In one embodiment, the motor 1 is a servo motor. A servo motor is an engine that controls the operation of mechanical elements in a servo system. The servo motor can control the speed, the position precision is very accurate, and a voltage signal can be converted into torque and rotating speed to drive a control object. By applying the temperature sensor mounting structure on the servo motor, the operation reliability and the control accuracy of the servo motor can be further guaranteed.
To sum up, the motor temperature sensor mounting structure that this application provided through set up flexible heat-conducting piece between temperature sensor and stator winding, has ensured the heat transfer efficiency between stator winding and the temperature sensor, improves the accuracy and the sensitivity that the temperature detected. Furthermore, the temperature sensor is directly fixed on the control panel, so that the complex installation process caused by the fact that a lead of the temperature sensor is required to be led out together with the three-phase power line can be avoided, and the installation process is simplified.
Example 2
The application also provides a motor assembly, which comprises the mounting structure of the motor temperature sensor in any embodiment. The above structure and components are described in detail in embodiment 1, and are not described herein again.
It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, a person skilled in the art can make changes or changes in other different forms without creative work, and all should belong to the protection scope of the present invention.
Claims (10)
1. A mounting structure of a motor temperature sensor, characterized by comprising:
a motor including a housing and a stator winding disposed within the housing;
the control board is arranged in the shell and is electrically connected with the stator winding;
the temperature sensor is electrically connected with the control board and used for sensing the temperature of the stator winding;
and the heat conducting piece is constructed into a flexible structure, one end of the heat conducting piece is in fit contact with the surface of the stator winding, and the other end of the heat conducting piece is in fit contact with the surface of the temperature sensor and is used for heat transfer between the stator winding and the temperature sensor.
2. The motor temperature sensor mounting structure of claim 1, wherein the temperature sensor is fixed to a surface of the control board.
3. The mounting structure of a temperature sensor of an electric motor according to claim 2, wherein the control board includes an inner surface facing the stator winding, and the temperature sensor is fixedly provided at the inner surface of the control board.
4. The mounting structure for a temperature sensor of an electric motor according to any one of claims 1 to 3, wherein the temperature sensor includes an inner end surface fixedly connected to the control plate, an outer end surface opposite to the inner end surface, and a side surface between the outer and inner end surfaces, and the heat transfer member covers the side surface and the outer end surface of the temperature sensor.
5. The motor temperature sensor mounting structure of claim 4, wherein the heat conduction member is closely attached to the side surface and the outer end surface of the temperature sensor.
6. The mounting structure of a temperature sensor of an electric motor according to claim 4, wherein said heat-conducting member is attached to an inner surface of said control plate.
7. The motor temperature sensor mounting structure according to claim 4, wherein the temperature sensor is sealingly disposed between the heat-conducting member and the control board.
8. The mounting structure of a motor temperature sensor according to claim 1, wherein said heat conductive member is a heat conductive silicone grease.
9. The mounting structure of a motor temperature sensor according to claim 1, wherein the motor is a servo motor.
10. A motor assembly comprising a mounting structure of a motor temperature sensor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221361696.7U CN217883138U (en) | 2022-06-01 | 2022-06-01 | Motor temperature sensor mounting structure and motor element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221361696.7U CN217883138U (en) | 2022-06-01 | 2022-06-01 | Motor temperature sensor mounting structure and motor element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217883138U true CN217883138U (en) | 2022-11-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221361696.7U Active CN217883138U (en) | 2022-06-01 | 2022-06-01 | Motor temperature sensor mounting structure and motor element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217883138U (en) |
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2022
- 2022-06-01 CN CN202221361696.7U patent/CN217883138U/en active Active
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