CN211481102U - Compressor rotor temperature detection device - Google Patents
Compressor rotor temperature detection device Download PDFInfo
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- CN211481102U CN211481102U CN201922323959.XU CN201922323959U CN211481102U CN 211481102 U CN211481102 U CN 211481102U CN 201922323959 U CN201922323959 U CN 201922323959U CN 211481102 U CN211481102 U CN 211481102U
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Abstract
The utility model provides a compressor rotor temperature-detecting device, includes motor spindle, electric motor rotor, heat-sensitive sensor and signal sound conversion equipment, its characterized in that: the thermosensitive sensor is embedded in a groove formed in a motor spindle to form an embedded structure, and then two paths of signals of the thermosensitive sensor are converted into two paths of static signals from a rotating state through two groups of sliding contact matching of a first annular groove and a first conductive metal sheet and a second annular groove and a second conductive metal sheet which are arranged on a signal converter, so that a data processor is connected, and the temperature of a motor rotor is obtained in real time. The scheme adopts the embedded thermosensitive sensor, is in direct contact with a measured object, has accurate information acquisition and ingenious design of the dynamic and static conversion devices, ensures the continuity and accuracy of signal transmission, avoids the problems of poor contact, unreliable signal transmission and the like of the previous similar devices, and improves the reliability of the device.
Description
Technical Field
The utility model relates to a compressor technical field, in particular to compressor rotor temperature-detecting device. The device is specially used for monitoring the temperature of the motor rotor of the compressor.
Background
Refrigeration compressors are an essential and important component of refrigeration plants. In the operation of the refrigeration compressor, the motor rotor of the refrigeration compressor is always in a high-speed rotation state under the load condition. The compressor rotor generates heat due to the existence of friction force, and when the temperature of the compressor rotor is too high, the performance of the compressor is adversely affected. In order to accurately obtain the temperature of the rotor of the compressor in real time, monitor the temperature of the rotor, and alarm or take other measures when the temperature exceeds a specified range, the temperature of the rotor of the compressor needs to be detected.
In the prior art, there are two methods for measuring the temperature of the rotor of the motor. The first is contact measurement, that is, the signal of a temperature sensor is output mainly through the matching of a slip ring and a carbon brush, and the temperature change is distinguished by changing the contact part through the deformation of a thermal deformation material. The second type is non-contact measurement, such as measurement by frequency modulation (susceptible to electromagnetic interference), measurement by infrared (too high cost), and measurement by measuring magnetic flux and performing calculation.
Chinese patent CN102243111A discloses an invention patent application named "permanent magnet motor rotor temperature measuring device and measuring method" in 2011, 11, month and 16. The scheme adopts a slip ring and electric brush contact type measuring mode to output a thermistor signal fixed on a rotor iron core permanent magnet to a data processor, and the data processor converts the resistance value of the thermistor into temperature to realize the measurement of the rotor temperature. However, this solution only discloses that "the thermistor is fixed on the surface of the permanent magnet of the rotor core by bonding with a thermally conductive adhesive" (see the third row of paragraph [ 0028 ]), and the layout of the thermistor is not further described. However, in practical applications, the arrangement of the thermistor (thermal sensor) has a great influence on the authenticity, stability and reliability of the rotor temperature measurement due to the high rotation speed, large inertia and accompanying vibration in the operation of the compressor rotor. From the technical point of view, the problem of arrangement of good thermistors (thermal sensors) is not solved, and the authenticity and the accuracy of rotor temperature measurement are difficult to ensure. On the other hand, the slip ring and brush structure is easy to wear, and has the defects of poor contact, unreliable signal transmission and the like.
In view of this, the present invention provides a temperature detecting device suitable for the characteristics of a compressor rotor.
Disclosure of Invention
The utility model provides a compressor rotor temperature-detecting device, its purpose is to solve current thermistor and lay and sliding ring and brush cooperation bring unfavorable problem for temperature measurement.
In order to achieve the above object, the utility model discloses a first technical scheme be: the utility model provides a compressor rotor temperature-detecting device, includes motor spindle, electric motor rotor, heat-sensitive sensor and signal sound conversion equipment, and wherein, motor rotor fixes on motor spindle, and motor spindle rotates the support for motor stator, and its innovation lies in:
a groove is formed in a position, close to the motor rotor, of one end of the motor spindle, the thermosensitive sensor is embedded in the groove, heat-conducting glue is filled in a gap between the thermosensitive sensor and the groove, and the thermosensitive sensor is led out of the first rotating connecting end and the second rotating connecting end through outgoing lines; the central position of the end face of one end of the motor main shaft, in which the thermosensitive sensor is embedded, is provided with a mounting hole, and the central line of the mounting hole is coaxial with the axis of the motor main shaft.
The signal dynamic and static conversion device comprises a bearing, a signal converter, a first conductive metal sheet and a second conductive metal sheet, wherein the signal converter is arranged on an inner ring of the bearing, an outer ring of the bearing is assembled in the mounting hole, a first circular groove and a second circular groove are arranged on the end face, facing the bottom surface of the mounting hole, of the signal converter, the radius of the first circular groove is larger than that of the second circular groove, and the central lines of the first circular groove and the second circular groove are coaxially arranged with the axis of the motor spindle; the first conductive metal sheet is fixedly or fixedly connected relative to the motor main shaft, one end of the first conductive metal sheet is connected with the first rotating connecting end, the other end of the first conductive metal sheet extends into the first circular groove and is in sliding contact with the first circular groove, and the first static connecting end is led out of the first circular groove; the second conductive metal sheet is fixed or positioned relative to the motor spindle, one end of the second conductive metal sheet is connected with the second rotating connecting end, the other end of the second conductive metal sheet extends into the second circular groove and is in sliding contact with the second circular groove, and the second stationary connecting end is led out of the second circular groove.
In order to achieve the above object, the utility model discloses a second technical scheme be: the utility model provides a compressor rotor temperature-detecting device, includes motor spindle, electric motor rotor, heat-sensitive sensor and signal sound conversion equipment, and wherein, motor rotor fixes on motor spindle, and motor spindle rotates the support for motor stator, and its innovation lies in:
a groove is formed in a position, close to the motor rotor, of one end of the motor spindle, the thermosensitive sensor is embedded in the groove, heat-conducting glue is filled in a gap between the thermosensitive sensor and the groove, and the thermosensitive sensor is led out of the first rotating connecting end and the second rotating connecting end through outgoing lines; the central position of the end face of one end of the motor main shaft, in which the thermosensitive sensor is embedded, is provided with a mounting hole, and the central line of the mounting hole is coaxial with the axis of the motor main shaft.
The signal dynamic and static conversion device comprises an external wiring terminal, a signal converter, a first conductive metal sheet and a second conductive metal sheet, wherein the signal converter is fixedly installed in the installation hole, a first circular groove and a second circular groove are formed in the end face, facing the outer side, of the signal converter, the radius of the first circular groove is larger than that of the second circular groove, the center lines of the first circular groove and the second circular groove are coaxially arranged with the axis of the motor spindle, the first rotary connecting end is connected with the first circular groove, and the second rotary connecting end is connected with the second circular groove; the external wiring terminal is positioned beside the signal converter and is fixed or positioned relative to the motor stator, the first conductive metal sheet is fixed or positioned relative to the signal converter and is connected, one end of the first conductive metal sheet extends into the first circular groove and is in sliding contact with the first circular groove, and the other end of the first conductive metal sheet leads out a first static connecting end; the second conductive metal sheet is fixedly or fixedly connected relative to the signal converter, one end of the second conductive metal sheet extends into the second circular groove and is in sliding contact with the second circular groove, and the other end of the second conductive metal sheet leads out a second static connecting end.
In order to achieve the above object, the utility model discloses a third technical scheme be: the utility model provides a compressor rotor temperature-detecting device, includes motor spindle, electric motor rotor, heat-sensitive sensor and signal sound conversion equipment, and wherein, motor rotor fixes on motor spindle, and motor spindle rotates the support for motor stator, and its innovation lies in:
one end of the motor spindle is provided with a groove at a position close to the motor rotor, the thermosensitive sensor is embedded in the groove, a heat-conducting glue is filled in a gap between the thermosensitive sensor and the groove, and the thermosensitive sensor is led out of the first rotating connecting end and the second rotating connecting end through the outgoing line.
The signal dynamic and static conversion device comprises a signal converter, a first conductive metal sheet and a second conductive metal sheet, wherein the signal converter is positioned beside one end of the motor main shaft and is fixed or positioned relative to the motor stator; the first conductive metal sheet is fixedly or fixedly connected relative to the motor main shaft, one end of the first conductive metal sheet is connected with the first rotating connecting end, the other end of the first conductive metal sheet extends into the first circular groove and is in sliding contact with the first circular groove, and the first static connecting end is led out of the first circular groove; the second conductive metal sheet is fixed or positioned relative to the motor spindle, one end of the second conductive metal sheet is connected with the second rotating connecting end, the other end of the second conductive metal sheet extends into the second circular groove and is in sliding contact with the second circular groove, and the second stationary connecting end is led out of the second circular groove.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have following advantage and effect:
1. in the scheme, the embedded type thermal sensor (thermocouple) is adopted in the scheme, and is in direct contact with the measured object, so that the information acquisition is accurate.
2. In the above scheme, the ingenious sound conversion device design of this scheme has guaranteed the continuity and the accuracy of signal transmission. The problems of poor contact, unreliable signal transmission, unsuccessful signal conversion and the like of the conventional similar device are solved, and the reliability of the device is improved.
3. In the scheme, the scheme is simple in structure, low in manufacturing cost, simple in assembly process and convenient to implement and apply.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is an enlarged view of a temperature detection portion of embodiment 1 of the present invention;
FIG. 3 is an enlarged view of a signal conversion portion of embodiment 1 of the present invention;
FIG. 4 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 5 is an enlarged view of a temperature detection portion in embodiment 2 of the present invention;
fig. 6 is a partial enlarged view of signal conversion in embodiment 2 of the present invention;
fig. 7 is a schematic structural diagram of embodiment 3 of the present invention;
FIG. 8 is an enlarged view of a temperature detection portion in embodiment 3 of the present invention;
fig. 9 is a partial enlarged view of signal conversion according to embodiment 3 of the present invention.
In the above drawings: 1. a motor spindle; 2. a motor rotor; 3. a heat-sensitive sensor; 4. a signal dynamic and static conversion device; 5. a data processor; 6. a bearing; 7. a signal converter; 8. a first conductive metal sheet; 9. a second conductive metal sheet; 10. a first annular groove; 11. a second annular groove; 12. an outgoing line; 13. mounting holes; 14. a binding post is arranged outside; 15. a groove; 16. and (4) heat-conducting glue.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example 1: compressor rotor temperature detection device
As shown in fig. 1 to 3, the temperature detecting device includes a motor spindle 1, a motor rotor 2, a heat sensitive sensor 3, and a signal static-static converting device 4 (see fig. 1), wherein the motor rotor 2 is fixed on the motor spindle 1, and the motor spindle 1 is rotatably supported relative to a motor stator.
A groove 15 is arranged at one end of the motor main shaft 1 and at a position close to the motor rotor 2, the heat-sensitive sensor 3 is embedded in the groove 15, a heat-conducting glue 16 is filled in a gap between the heat-sensitive sensor 3 and the groove 15, and the heat-sensitive sensor 3 is led out of the first rotating connecting end and the second rotating connecting end through the leading-out wire 12 (see fig. 2). The central position of the end surface of the end face of the motor spindle 1, in which the thermal sensor 3 is embedded, is provided with a mounting hole 13, and the central line of the mounting hole 13 is arranged coaxially with the axis of the motor spindle 1 (see fig. 3).
The signal sound conversion device 4 includes bearing 6, signal converter 7, first electrically conductive sheetmetal 8 and the electrically conductive sheetmetal 9 of second (see fig. 3), and wherein, signal converter 7 is installed in the inner circle of bearing 6, and the outer lane assembly of bearing 6 is in the mounting hole 13, signal converter 7 is equipped with first ring groove 10 and second ring groove 11 (see fig. 3) towards the terminal surface of mounting hole 13 bottom surface, and the radius of first ring groove 10 is greater than the radius of second ring groove 11, and the central line of first ring groove 10 and second ring groove 11 sets up with the axis is coaxial of motor spindle 1. First conductive metal piece 8 is fixed or location connection for motor spindle 1, and the one end and the first rotation link of first conductive metal piece 8 are connected, and the other end of first conductive metal piece 8 stretches into first ring groove 10 and with first ring groove 10 sliding contact (see fig. 3), first stationary link is drawn forth to first ring groove 10. The second conductive metal sheet 9 is fixed or positioned and connected relative to the motor spindle 1, one end of the second conductive metal sheet 9 is connected with the second rotating connecting end, the other end of the second conductive metal sheet 9 extends into the second circular groove 11 and is in sliding contact with the second circular groove 11 (see fig. 3), and the second static connecting end is led out of the second circular groove 11.
The working principle of the embodiment is as follows: when the motor rotor 2 rotates along with the motor spindle 1, the thermosensitive sensor 3 embedded in the motor spindle 1 synchronously rotates along with the motor spindle 1. Meanwhile, the heat-sensitive sensor 3 is in direct contact with the motor rotor 2, collects the most real temperature of the motor rotor 2, and is led out to the first conductive metal sheet 8 and the second conductive metal sheet 9 through the lead-out wire 12. Because the signal converter 7 is static relatively when the motor spindle 1 rotates, the first conductive metal sheet 8 slides in the first circular groove 10 and slides in the second conductive metal sheet 9 in the second circular groove 11, so far, the first static connecting end is led out from the first circular groove 10, the second static connecting end is led out from the second circular groove 11, the first static connecting end and the second static connecting end are respectively connected with the input end of the data processor 5 (see fig. 3) outside the machine body, and the temperature of the motor rotor 2 can be obtained in real time.
Example 2: compressor rotor temperature detection device
As shown in fig. 4-6, the temperature detecting device includes a motor spindle 1, a motor rotor 2, a heat-sensitive sensor 3, and a signal static-static converting device 4 (see fig. 4), wherein the motor rotor 2 is fixed on the motor spindle 1, and the motor spindle 1 is rotatably supported relative to a motor stator.
A groove is arranged at one end of the motor spindle 1 and at a position close to the motor rotor 2, the heat-sensitive sensor 3 is embedded in the groove, a heat-conducting glue is filled in a gap between the heat-sensitive sensor 3 and the groove, and the heat-sensitive sensor 3 is led out of the first rotating connecting end and the second rotating connecting end through an outgoing line 12 (see fig. 5). The central position of the end face of one end of the motor main shaft 1, in which the thermosensitive sensor 3 is embedded, is provided with a mounting hole 13, and the central line of the mounting hole 13 is coaxial with the axis of the motor main shaft 1.
Signal sound conversion equipment 4 includes external terminal 14, signal converter 7, first electrically conductive sheetmetal 8 and the electrically conductive sheetmetal 9 of second (see fig. 6), wherein, signal converter 7 fixed mounting be in mounting hole 13, signal converter 7 is equipped with first ring groove 10 and second ring groove 11 on the terminal surface towards the outside (see fig. 6), and the radius in first ring groove 10 is greater than the radius in second ring groove 11, and the central line in first ring groove 10 and second ring groove 11 sets up with the axis is coaxial of motor spindle 1, first rotation link is connected with first ring groove 10, and the second rotates the link and is connected with second ring groove 11. The external wiring terminal 14 is located beside the signal converter 7 and fixed or positioned relative to the motor stator, the first conductive metal sheet 8 is fixed or positioned relative to the signal converter 7 and connected, one end of the first conductive metal sheet 8 extends into the first circular groove 10 and is in sliding contact with the first circular groove 10 (see fig. 6), and a first stationary connection end is led out from the other end of the first conductive metal sheet 8; the second conductive metal sheet 9 is fixed or connected in a positioning manner relative to the signal converter 7, one end of the second conductive metal sheet 9 extends into the second circular groove 11 and is in sliding contact with the second circular groove 11 (see fig. 6), and the other end of the second conductive metal sheet 9 leads out a second stationary connecting end.
The working principle of the embodiment is as follows: when the motor rotor 2 rotates along with the motor spindle 1, the thermosensitive sensor 3 embedded in the motor spindle 1 synchronously rotates along with the motor spindle 1. Meanwhile, the heat-sensitive sensor 3 is in direct contact with the motor rotor 2, collects the most real temperature of the motor rotor 2, and is led out to the first circular groove 10 and the second circular groove 11 through the leading-out wire 12. Because the signal converter rotates along with the rotation of the motor spindle 1, and the first conductive metal sheet 8 and the second conductive metal sheet 9 are fixed on the external binding post 14 and are relatively static, the first conductive metal sheet 8 slides in the first circular groove 10, the second conductive metal sheet 9 slides in the second circular groove 11, so that the first conductive metal sheet 8 leads out a first static connecting end, the second conductive metal sheet 9 leads out a second static connecting end, the first static connecting end and the second static connecting end are respectively connected with the input end of the data processor 5 (not shown in the figure) outside the machine body, and the temperature of the motor rotor 2 can be obtained in real time.
Example 3: compressor rotor temperature detection device
As shown in fig. 7-9, the temperature detecting device includes a motor spindle 1, a motor rotor 2, a heat-sensitive sensor 3, and a signal static-static converting device 4 (see fig. 7), wherein the motor rotor 2 is fixed on the motor spindle 1, and the motor spindle 1 is rotatably supported relative to a motor stator.
A groove 15 is arranged at one end of the motor main shaft 1 and at a position close to the motor rotor 2, the heat-sensitive sensor 3 is embedded in the groove 15, a heat-conducting glue 16 is filled in a gap between the heat-sensitive sensor 3 and the groove 15, and the heat-sensitive sensor 3 is led out of the first rotating connecting end and the second rotating connecting end through a lead-out wire 12 (see figure 8).
The signal sound conversion device 4 includes signal converter 7, first electrically conductive sheetmetal 8 and the electrically conductive sheetmetal 9 of second (see fig. 9), wherein, signal converter 7 is located by the one end of motor spindle 1 and fixed or location for motor stator, signal converter 7 is equipped with first ring groove 10 and second ring groove 11 (see fig. 9) towards the terminal surface of motor spindle 1 one end, the radius in first ring groove 10 is greater than the radius in second ring groove 11, the central line in first ring groove 10 and second ring groove 11 and the coaxial setting of the axis of motor spindle 1. The first conductive metal sheet 8 is fixed or positioned and connected relative to the motor spindle 1, one end of the first conductive metal sheet 8 is connected with the first rotating connecting end, the other end of the first conductive metal sheet 8 extends into the first circular groove 10 and is in sliding contact with the first circular groove 10 (see fig. 9), and the first static connecting end is led out of the first circular groove 10; the second conductive metal sheet 9 is fixed or positioned and connected relative to the motor spindle 1, one end of the second conductive metal sheet 9 is connected with the second rotating connecting end, the other end of the second conductive metal sheet 9 extends into the second circular groove 11 and is in sliding contact with the second circular groove 11 (see fig. 9), and the second static connecting end is led out of the second circular groove 11.
The working principle of the embodiment is as follows: when the motor rotor 2 rotates along with the motor spindle 1, the thermosensitive sensor 3 embedded in the motor spindle 1 synchronously rotates along with the motor spindle 1. Meanwhile, the heat-sensitive sensor 3 is in direct contact with the motor rotor 2, collects the most real temperature of the motor rotor 2, and is led out to the first conductive metal sheet 8 and the second conductive metal sheet 9 through the lead-out wire 12. When the motor spindle 1 rotates, the signal converter 7 is relatively static, the first conductive metal sheet 8 slides in contact in the first circular groove 10, the second conductive metal sheet 9 slides in contact in the second circular groove 11, so that the first static connecting end is led out from the first circular groove 10, the second static connecting end is led out from the second circular groove 11, the first static connecting end and the second static connecting end are respectively connected with the input end of the data processor 5 (not shown) outside the machine body, and the temperature of the motor rotor 2 can be obtained in real time.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. The utility model provides a compressor rotor temperature-detecting device, includes motor spindle (1), motor rotor (2), heat-sensitive sensor (3) and signal sound conversion equipment (4), wherein, motor rotor (2) are fixed on motor spindle (1), and motor spindle (1) rotates the support for motor stator, its characterized in that:
a groove (15) is formed in the position, close to the motor rotor (2), of one end of the motor spindle (1), the thermosensitive sensor (3) is embedded in the groove (15), heat-conducting glue (16) is filled in a gap between the thermosensitive sensor (3) and the groove (15), and the thermosensitive sensor (3) is led out of the first rotating connecting end and the second rotating connecting end through an outgoing line (12); a mounting hole (13) is formed in the center of the end face of one end, in which the thermosensitive sensor (3) is embedded, of the motor spindle (1), and the center line of the mounting hole (13) is coaxial with the axis of the motor spindle (1);
the signal dynamic and static conversion device (4) comprises a bearing (6), a signal converter (7), a first conductive metal sheet (8) and a second conductive metal sheet (9), wherein the signal converter (7) is installed on the inner ring of the bearing (6), the outer ring of the bearing (6) is assembled in the installation hole (13), a first circular groove (10) and a second circular groove (11) are formed in the end face, facing the bottom face of the installation hole (13), of the signal converter (7), the radius of the first circular groove (10) is larger than that of the second circular groove (11), and the central lines of the first circular groove (10) and the second circular groove (11) are coaxially arranged with the axis of the motor spindle (1); the first conductive metal sheet (8) is fixedly or fixedly connected relative to the motor spindle (1), one end of the first conductive metal sheet (8) is connected with the first rotating connecting end, the other end of the first conductive metal sheet (8) extends into the first circular groove (10) and is in sliding contact with the first circular groove (10), and the first static connecting end is led out of the first circular groove (10); the second conductive metal sheet (9) is fixedly or fixedly connected with the motor main shaft (1), one end of the second conductive metal sheet (9) is connected with the second rotating connecting end, the other end of the second conductive metal sheet (9) extends into the second circular groove (11) and is in sliding contact with the second circular groove (11), and the second stationary connecting end is led out of the second circular groove (11).
2. The utility model provides a compressor rotor temperature-detecting device, includes motor spindle (1), motor rotor (2), heat-sensitive sensor (3) and signal sound conversion equipment (4), wherein, motor rotor (2) are fixed on motor spindle (1), and motor spindle (1) rotates the support for motor stator, its characterized in that:
a groove is formed in the position, close to the motor rotor (2), of one end of the motor spindle (1), the thermosensitive sensor (3) is embedded in the groove, heat-conducting glue is filled in a gap between the thermosensitive sensor (3) and the groove, and the thermosensitive sensor (3) is led out of the first rotating connecting end and the second rotating connecting end through lead-out wires (12); a mounting hole (13) is formed in the center of the end face of one end, in which the thermosensitive sensor (3) is embedded, of the motor spindle (1), and the center line of the mounting hole (13) is coaxial with the axis of the motor spindle (1);
the signal dynamic and static conversion device (4) comprises an external wiring terminal (14), a signal converter (7), a first conductive metal sheet (8) and a second conductive metal sheet (9), wherein the signal converter (7) is fixedly installed in the installation hole (13), a first circular groove (10) and a second circular groove (11) are formed in the end face, facing outwards, of the signal converter (7), the radius of the first circular groove (10) is larger than that of the second circular groove (11), the central lines of the first circular groove (10) and the second circular groove (11) are coaxially arranged with the axis of the motor spindle (1), the first rotary connecting end is connected with the first circular groove (10), and the second rotary connecting end is connected with the second circular groove (11); the external wiring terminal (14) is located beside the signal converter (7) and fixed or positioned relative to the motor stator, the first conductive metal sheet (8) is fixed or positioned and connected relative to the signal converter (7), one end of the first conductive metal sheet (8) extends into the first circular groove (10) and is in sliding contact with the first circular groove (10), and the other end of the first conductive metal sheet (8) is led out of the first static connecting end; the second conductive metal sheet (9) is fixedly or fixedly connected with the signal converter (7), one end of the second conductive metal sheet (9) extends into the second circular groove (11) and is in sliding contact with the second circular groove (11), and the other end of the second conductive metal sheet (9) leads out a second static connecting end.
3. The utility model provides a compressor rotor temperature-detecting device, includes motor spindle (1), motor rotor (2), heat-sensitive sensor (3) and signal sound conversion equipment (4), wherein, motor rotor (2) are fixed on motor spindle (1), and motor spindle (1) rotates the support for motor stator, its characterized in that:
a groove (15) is formed in the position, close to the motor rotor (2), of one end of the motor spindle (1), the thermosensitive sensor (3) is embedded in the groove (15), heat-conducting glue (16) is filled in a gap between the thermosensitive sensor (3) and the groove (15), and the thermosensitive sensor (3) is led out of the first rotating connecting end and the second rotating connecting end through an outgoing line (12);
the signal dynamic and static conversion device (4) comprises a signal converter (7), a first conductive metal sheet (8) and a second conductive metal sheet (9), wherein the signal converter (7) is positioned beside one end of the motor spindle (1) and is fixed or positioned relative to a motor stator, a first circular groove (10) and a second circular groove (11) are formed in the end face, facing one end of the motor spindle (1), of the signal converter (7), the radius of the first circular groove (10) is larger than that of the second circular groove (11), and the center lines of the first circular groove (10) and the second circular groove (11) are coaxially arranged with the axis of the motor spindle (1); the first conductive metal sheet (8) is fixedly or fixedly connected relative to the motor spindle (1), one end of the first conductive metal sheet (8) is connected with the first rotating connecting end, the other end of the first conductive metal sheet (8) extends into the first circular groove (10) and is in sliding contact with the first circular groove (10), and the first static connecting end is led out of the first circular groove (10); the second conductive metal sheet (9) is fixedly or fixedly connected with the motor main shaft (1), one end of the second conductive metal sheet (9) is connected with the second rotating connecting end, the other end of the second conductive metal sheet (9) extends into the second circular groove (11) and is in sliding contact with the second circular groove (11), and the second stationary connecting end is led out of the second circular groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922323959.XU CN211481102U (en) | 2019-12-23 | 2019-12-23 | Compressor rotor temperature detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922323959.XU CN211481102U (en) | 2019-12-23 | 2019-12-23 | Compressor rotor temperature detection device |
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| CN211481102U true CN211481102U (en) | 2020-09-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937961A (en) * | 2021-10-22 | 2022-01-14 | 上海汽车变速器有限公司 | Temperature measurement system of motor |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937961A (en) * | 2021-10-22 | 2022-01-14 | 上海汽车变速器有限公司 | Temperature measurement system of motor |
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