CN203981300U - Mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system - Google Patents
Mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system Download PDFInfo
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- CN203981300U CN203981300U CN201420290361.XU CN201420290361U CN203981300U CN 203981300 U CN203981300 U CN 203981300U CN 201420290361 U CN201420290361 U CN 201420290361U CN 203981300 U CN203981300 U CN 203981300U
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- slip ring
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Abstract
The utility model relates to motor rotor temperature survey field, is specially a kind of mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, is applicable to the high-voltage asynchronous motor such as Y, YKK and YKS of all cage-shaped structure.On the rotor that is installed on machine shaft, point for measuring temperature is set, and on described point for measuring temperature, boring is set, measuring sensor is embedded in corresponding bore position, and measuring sensor is directly contacted with rotor, and temperature element goes between through machine shaft and draws; Joint flange is installed on one end of machine shaft, and slip ring is fixed on joint flange, and temperature element lead-in wire is connected with the extension line of slip-ring rotor, and the extension line of slip ring stator is measurement point, forms contact type temperature measuring system.Measurement version of the present utility model is convenient and accurately, has avoided being vulnerable to the impact of electric machine rotary magnetic field and problem of temperature rise can not Measurement accuracy working rotor time at motor internal.
Description
Technical field
The utility model relates to motor rotor temperature survey field, is specially a kind of mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, is applicable to the high-voltage asynchronous motor such as Y, YKK and YKS of all cage-shaped structure.
Background technology
Mouse cage asynchronous motor is a conductor of each placement in the equally distributed each groove of rotor core, places two end ring at two ends unshakable in one's determination, respectively all conductors is stretched out to the outer part of groove and couples together with end ring.If remove iron core, left winding shape is as a squirrel, and conductor material can be copper or aluminium etc.Slip ring is divided into stator and rotor two parts, and stator is connected with wire respectively with rotor, rotor leading wire only with a stator lead conducting, with other rotor lead wire insulation.
The factor that affects electric machine temperature rise mainly contains the temperature rise of stationary part and the temperature rise of rotor portion etc., and electric machine temperature rise is related to the length in serviceable life of electrical machine insulation, namely the serviceable life of motor.The temperature rise of rotor portion is also related to the physical strength of rotor winding and rotor core: if temperature rise is too high, its physical strength can reduce, and increases the danger that motor uses; If temperature rise is too low, the utilization factor of material is not high, causes the waste of material.After measuring by temperature of rotor, can appropriate design motor rotor construction.Therefore, the measurement of temperature of rotor is very important.But, because rotor portion rotates, being easy to realize unlike stator temperature measurement, just to rotor temperature rise, measurement has brought very large difficulty for this.
Utility model content
The purpose of this utility model is to provide a kind of mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, it is convenient and accurately that it measures version, avoided being vulnerable to the impact of electric machine rotary magnetic field and problem of temperature rise can not Measurement accuracy working rotor time at motor internal.
The technical solution of the utility model is:
A kind of mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, this measuring system comprises temperature element, temperature element lead-in wire, joint flange, slip ring, slip ring comprises slip-ring rotor and slip ring stator, slip-ring rotor is connected with the extension line of slip-ring rotor, and slip ring stator is connected with the extension line of slip ring stator; On the rotor that is installed on machine shaft, point for measuring temperature is set, and on described point for measuring temperature, boring is set, measuring sensor is embedded in corresponding bore position, and measuring sensor is directly contacted with rotor, and temperature element goes between through machine shaft and draws; Joint flange is installed on one end of machine shaft, and slip ring is fixed on joint flange, and temperature element lead-in wire is connected with the extension line of slip-ring rotor, and the extension line of slip ring stator is measurement point, forms contact type temperature measuring system.
Described mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, the extension line on slip ring is insulated from each other.
Described mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, the point for measuring temperature on rotor is arranged at rotor slot, rotor tooth portion or rotor yoke.
Described mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, point for measuring temperature quantity on rotor is eight, point for measuring temperature L1, L2, L3, L6 and L7 are arranged in the rotor slot of rotor, point for measuring temperature L4 and L5 are arranged at the rotor tooth portion of rotor, and point for measuring temperature L8 is arranged at the rotor yoke of rotor.
Described mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, the slip ring stator of slip ring is connected and fixed by web member and support, slip-ring rotor and rotor synchronous rotary.
Described mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, temperature element is fixed in described boring by high-temperature plastic.
Described mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, the extension line of slip ring stator is connected with temperature polling instrument or multimeter, the rotor temperature rise of measuring relevant position by temperature polling instrument or multimeter.
Advantage of the present utility model and beneficial effect are:
1, adopt the utility model mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, the measuring method of this contact of this device, be applicable to the mouse cage height asynchronous motor of the different types of cooling, have wide range of applications, simple and easy to operate, cost is not high, and can ensure accuracy completely.
2, inevitable different for its temperature of rotor diverse location, owing to adopting the utility model can measure the temperature of multiple positions, so just can find out multiple points of thinking measurement, just can the satisfy the demand requirement of measurement of single test.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.In figure, 1 temperature element lead-in wire; 2 machine shafts; 3 joint flanges; 4 slip rings; 5 supports; 6 rotors; 7 slip-ring rotors; 8 slip ring stators; The extension line of 9 slip-ring rotors; The extension line of 10 slip ring stators.
Fig. 2-Fig. 3 is the utility model point for measuring temperature schematic diagram.Wherein, Fig. 2 is the point for measuring temperature schematic diagram of radially seeing from rotor core; Fig. 3 is the point for measuring temperature schematic diagram of axially seeing from rotor core, total L1, a L2, L3, L4, L5, L6, L7 and eight points for measuring temperature of L8.
Embodiment
As shown in Figure 1, slip ring 4 is that slip-ring rotor 7 and 8 two parts of slip ring stator form, slip-ring rotor 7 is connected with the extension line 9 of slip-ring rotor, slip ring stator 8 is connected with the extension line 10 of slip ring stator, the extension line of a slip-ring rotor only with the extension line conducting of a slip ring stator, with the extension line of other slip-ring rotors or the insulation of the extension line of slip ring stator.Wherein,
The utility model mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system mainly comprises: slip ring 4, support 5, temperature polling instrument or the multimeter etc. of resistance-type temperature element, high-temperature plastic, temperature element lead-in wire 1, joint flange 3, many measurement points.On the rotor 6 that is installed on machine shaft 2, be provided with point for measuring temperature as required, and hole on described point for measuring temperature, resistance-type measuring sensor is embedded in corresponding bore position, resistance-type temperature element is fixed in described boring by high-temperature plastic, resistance-type measuring sensor is directly contacted with rotor 6, and two temperature element lead-in wires 1 of resistance-type temperature element pass machine shaft 2 and draw; Joint flange 3 is installed on one end of machine shaft 2, slip ring 4 is fixed on joint flange 3, the slip ring stator 8 of slip ring 4 is connected and fixed by web member and support 5, slip-ring rotor 7 and rotor 6 synchronous rotaries, temperature element lead-in wire 1 is connected with the extension line 9 of slip-ring rotor, the extension line 10 of slip ring stator is measurement point, extension line on slip ring 4 is insulated from each other, the extension line 10 of slip ring stator is connected with temperature polling instrument or multimeter, measure by temperature polling instrument or multimeter, just can draw rotor 6 temperature rises of relevant position.Owing to adopting contact type measurement, guarantee that measurement result accurately and reliably.
As shown in Figures 2 and 3, eight points for measuring temperature are set on rotor 6, point for measuring temperature L1, L2, L3, L6 and L7 are in the rotor slot of rotor 6, and point for measuring temperature L4 and L5 are in the rotor tooth portion of rotor 6, and point for measuring temperature L8 is at the rotor yoke of rotor 6.
The course of work of the present utility model is as follows:
The test assembly that the utility model mainly comprises has: slip ring 4, support 5, temperature polling instrument or the multimeter etc. of resistance-type temperature element, high-temperature plastic, temperature element lead-in wire 1, joint flange 3, many measurement points.Be chosen in thermometric end and carry out the resistance-type temperature element of insulation protection, on the predetermined point for measuring temperature shown in Fig. 2 and Fig. 3, hole, resistance-type measuring sensor is buried to relevant position, with high-temperature plastic fixed resistance formula temperature element, the heat conductivility of high-temperature plastic necessarily will be got well, otherwise can affect the conduction of temperature, two temperature element lead-in wires 1 of resistance-type temperature element are drawn by machine shaft 2; Joint flange 3 is installed on one end of machine shaft 2, slip ring 4 is fixed on joint flange 3, the slip ring stator 8 of slip ring 4 is connected and fixed by web member and support 5, slip-ring rotor 7 and rotor 6 synchronous rotaries are ensured, temperature element lead-in wire 1 is connected with the extension line 9 of slip-ring rotor, the extension line 10 of slip ring stator is measurement point, extension line on slip ring 4 is insulated from each other, the extension line 10 of slip ring stator is measured by temperature polling instrument or multimeter, just can be drawn rotor 6 temperature rises of relevant position.
Result shows, the measurement mechanism of the temperature of rotor of this high-voltage three-phase asynchronous motor of the utility model, can measure the temperature rise of multiple spot position, directly draws temperature rise value by the resistance value of measuring temperature element, ensure to measure accuracy and the continuity of numerical value, for design motor provides Data support.
Claims (7)
1. a mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system, it is characterized in that, this measuring system comprises temperature element, temperature element lead-in wire, joint flange, slip ring, slip ring comprises slip-ring rotor and slip ring stator, slip-ring rotor is connected with the extension line of slip-ring rotor, and slip ring stator is connected with the extension line of slip ring stator; On the rotor that is installed on machine shaft, point for measuring temperature is set, and on described point for measuring temperature, boring is set, measuring sensor is embedded in corresponding bore position, and measuring sensor is directly contacted with rotor, and temperature element goes between through machine shaft and draws; Joint flange is installed on one end of machine shaft, and slip ring is fixed on joint flange, and temperature element lead-in wire is connected with the extension line of slip-ring rotor, and the extension line of slip ring stator is measurement point, forms contact type temperature measuring system.
2. according to mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system claimed in claim 1, it is characterized in that, the extension line on slip ring is insulated from each other.
3. according to mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system claimed in claim 1, it is characterized in that, the point for measuring temperature on rotor is arranged at rotor slot, rotor tooth portion or rotor yoke.
4. according to mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system claimed in claim 1, it is characterized in that, point for measuring temperature quantity on rotor is eight, point for measuring temperature L1, L2, L3, L6 and L7 are arranged in the rotor slot of rotor, point for measuring temperature L4 and L5 are arranged at the rotor tooth portion of rotor, and point for measuring temperature L8 is arranged at the rotor yoke of rotor.
5. according to mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system claimed in claim 1, it is characterized in that, the slip ring stator of slip ring is connected and fixed by web member and support, slip-ring rotor and rotor synchronous rotary.
6. according to mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system claimed in claim 1, it is characterized in that, temperature element is fixed in described boring by high-temperature plastic.
7. according to mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system claimed in claim 1, it is characterized in that, the extension line of slip ring stator is connected with temperature polling instrument or multimeter, the rotor temperature rise of measuring relevant position by temperature polling instrument or multimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420290361.XU CN203981300U (en) | 2014-06-03 | 2014-06-03 | Mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420290361.XU CN203981300U (en) | 2014-06-03 | 2014-06-03 | Mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203981300U true CN203981300U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420290361.XU Expired - Fee Related CN203981300U (en) | 2014-06-03 | 2014-06-03 | Mouse cage high-voltage three-phase asynchronous motor temperature of rotor measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203981300U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776939A (en) * | 2015-03-31 | 2015-07-15 | 浙江大学 | Hollow coaxial mutual-driving motor test bed for real-time measurement of motor rotor temperature rises |
| CN105680590A (en) * | 2016-04-19 | 2016-06-15 | 江苏华源防爆电机有限公司 | Temperature sensing motor rotor |
| CN106953489A (en) * | 2017-04-21 | 2017-07-14 | 康富科技股份有限公司 | A kind of generator of real-time measurement rotor windings temperature |
| CN107036727A (en) * | 2016-11-15 | 2017-08-11 | 安徽江淮汽车集团股份有限公司 | The test system of gearbox gear needle bearing and spin friction subtask temperature |
| CN113937961A (en) * | 2021-10-22 | 2022-01-14 | 上海汽车变速器有限公司 | Temperature measurement system of motor |
-
2014
- 2014-06-03 CN CN201420290361.XU patent/CN203981300U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776939A (en) * | 2015-03-31 | 2015-07-15 | 浙江大学 | Hollow coaxial mutual-driving motor test bed for real-time measurement of motor rotor temperature rises |
| CN105680590A (en) * | 2016-04-19 | 2016-06-15 | 江苏华源防爆电机有限公司 | Temperature sensing motor rotor |
| CN107036727A (en) * | 2016-11-15 | 2017-08-11 | 安徽江淮汽车集团股份有限公司 | The test system of gearbox gear needle bearing and spin friction subtask temperature |
| CN106953489A (en) * | 2017-04-21 | 2017-07-14 | 康富科技股份有限公司 | A kind of generator of real-time measurement rotor windings temperature |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160922 Address after: 110027 No. sixteen, 6 street, Shenyang economic and Technological Development Zone, Liaoning, China Patentee after: SHENYANG YUANDA TECHNOLOGY ELECTRIC WORKS CO., LTD. Address before: 110027, No. 27, development road, sixteen street, Tiexi Economic Development Zone, Liaoning, Shenyang Patentee before: SHENYANG YUANDA TECHNOLOGY PARK CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20200603 |