CN205620048U - Well low -speed electric motor rotor dynamic thermal parameter real -time detection device that inclines - Google Patents
Well low -speed electric motor rotor dynamic thermal parameter real -time detection device that inclines Download PDFInfo
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- CN205620048U CN205620048U CN201620249956.XU CN201620249956U CN205620048U CN 205620048 U CN205620048 U CN 205620048U CN 201620249956 U CN201620249956 U CN 201620249956U CN 205620048 U CN205620048 U CN 205620048U
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- rotor
- time detection
- thermal parameter
- dynamic thermal
- motor
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Abstract
The utility model belongs to the technical field of the motor, a well low -speed electric motor rotor dynamic thermal parameter real -time detection device that inclines is specifically disclosed. The utility model discloses the device will lie in the temperature sensor's on the hot parameter testing of the rotor point signal draws to the sliding ring through signal conductor edge pivot, and after experiment detecting instrument is connected to the sliding ring external connection. For the steadiment, glue behind the lead -in conductor in recess and the aperture and seal. Use the utility model discloses neither influencing the dynamic behavior of rotor, accomplishing again to carry out real -time detection to the dynamic thermal parameter of electric motor rotor side, the gained parameter provides the condition to the optimization of motor industry rotor and ventilation structure, has realized real time monitoring and trouble forecast to electric motor rotor, is favorable to prolonging the life of motor, improves the electric efficiency.
Description
Technical field
The utility model belongs to technical field of motors, specifically discloses slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus in one.
Background technology
Rotor is the important component part of motor, is the device realizing electric energy and mechanical energy conversion, and its performance directly affects the stability that motor runs.The heating of motor is one of principal element of restriction electric efficiency.Additionally, the service life of motor and operation safety also can be constituted a threat to by the heating of motor.And the temperature rise of rotor is far longer than the temperature rise of motor other parts during motor operation.Therefore, under the premise of the dynamic property not affecting rotor, rotor side Dynamic Thermal parameter is detected in real time, beneficially the optimization of rotor and aeration structure, thus extend the service life of motor, improve electric efficiency.
At present, the thermal parameter detection for motor internal is also far from reaching the degree of dynamic realtime detection.For example when thermometric being carried out to motor internal stator by temperature measuring equipments such as infrared thermometers, need to shut down or uncap, can only obtain result instant detection devious, and can not accomplish to detect in real time, and the internal confined spaces such as rotor also cannot be detected.During to the thermal parameter measurement of motor winding, use the method burying PT100 underground, the principle that then can change with the change of temperature according to PT100 resistance, detects in real time to the resistance of PT100, thus reaches the purpose of the real-time measurement to motor winding temperature.But, the detection of the part of devices that this method does not rotates with motor in may be only available for motor and moves, it is impossible to detect the temperature of the sports apparatus such as rotating shaft, rotor core.Still an alternative is that employing thermometric test paper, because this test paper build is bigger, so being generally used for detecting shell temperature, when temperature survey is carried out to motor internal part of devices, also need to uncap, and because the irreversibility of this test paper, so the measurement to motor temperature change peak can only be accomplished, do not accomplish to measure in real time.
Therefore, it is necessary to provide the real-time detection technique of a kind of motor internal relevant parameter.
Content of the invention
The problem existing for above-mentioned prior art, the purpose of this utility model is to propose slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus in one, to solve the problem that rotor cannot be carried out heat detection in real time.
The utility model is adopted the technical scheme that by solving the problems referred to above:
Slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus in Yi Zhong, including machine shaft, signal conductor, motor rotor core, slip ring and temperature sensor, described machine shaft has groove or aperture vertically, described temperature sensor is positioned on motor rotor core, described signal conductor connects temperature sensor and slip ring along groove or the aperture of rotating shaft, and rotor Dynamic Signal is borrowed slip ring external connection to be connected with experiment detector device by described signal conductor.
The periphery of described signal conductor is surrounded by the sleeve pipe of insulating properties, and it is arranged, fixes and draw and is all routed at the concave interstices of motor rotor core.It is arranged such, do not interfere with the dynamic property of rotor.
One end of described slip ring connects the signal conductor rotating with machine shaft, and the slip ring external connection of the other end connects experiment detector device.Being arranged such, the experiment detector device that the signal conductor rotate the moment and position, structure are fixed couples together, and meets real time data acquisition and analysis, the problem that the method is avoided wire to rotate with the motor moment and produced wire knotting.
Described temperature sensor for being converted into being easy to the sensor of other signals of transmission by temperature signal, including thermistor, PT100 and thermocouple, its quantity is one or more, related to the number of rotor temperature rise test point.
Described groove is positioned on machine shaft, and its length extends to nearest motor rotor core section part from machine shaft one end, and according to the mechanical strength of rotating shaft when motor size, motor speed and motor rotation and rotor core, its quantity is one or more；Glue envelope after described groove lead-in conductor.
By in machine shaft vertically center get through and formed axial circular hole, its length extends to nearest motor rotor core section part from machine shaft one end, will be located in the rotating shaft at rotor core subsequently and radially open up into spindle central formation radially circular hole, axial circular hole is made to connect with radially circular hole, thus go into described aperture, wherein circular radial hole number is one or more, glue envelope after lead-in conductor in described aperture.
The beneficial effects of the utility model are: neither affect the dynamic property of rotor, can accomplish again to detect rotor side Dynamic Thermal parameter in real time, and the optimization to electromechanics trade rotor and aeration structure for the parameters obtained provides condition.The method achieve monitoring and failure prediction in real time to rotor, be conducive to extending the service life of motor, improve electric efficiency.
Brief description
Below in conjunction with accompanying drawing, the utility model is described in further detail with detailed description of the invention.
Fig. 1 is stereochemical structure 1/4th sectional view of slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus in the utility model；
Wherein: 1-machine shaft, 2-motor rotor core, 3-groove, 4-aperture, 5-signal conductor, 6-slip ring, 7-slip ring external connection, 8-temperature sensor, the axial circular hole of 9-, 10-radially circular hole；
Fig. 2 is the machine shaft fluting three-dimensional structure diagram of the utility model device；
Fig. 3 is the machine shaft punching three-dimensional structure diagram of the utility model device；
Fig. 4 is that the signal conductor of the utility model device is at skewed slot schematic wiring diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in further detail, but the utility model is not limited to this embodiment.
This laboratory is when carrying out rotor-side temperature survey to certain motor, and first consider is rotating speed, when rotating speed is at below 10000r/min, can use the utility model device.In conjunction with machine shaft material and laboratory process, this motor uses the way spiling in the middle of rotating shaft.Wherein, axial circular hole 9 is to open up at stator core from rotating shaft one end, hole diameter 5mm, can be according to concrete actual conditions depending on, advise to test point number and signal conductor line and be directly proportional；Radially circular hole 10 radially opens up into axial circular hole 9 from the rotating shaft of iron core section part.Position to be detected on rotor core 2 buries temperature sensor 8 underground, sensor signal signal conductor 5 is led to radially circular hole 10, bury signal conductor 5 on the way underground, then glue seals again, to fix signal conductor 5, it is to avoid cause the problem such as its knotting or its interference motor operation to occur because of the rotation of motor.Signal conductor 5 connection slip ring 6 after glue envelope, radially circular hole the 10th, axial circular hole 9.Slip ring external connection 7 and temperature signal are received equipment and are connected by then normal assembling motor.Normal startup motor, signal receiver just can read temperature on rotor monitoring point in real time.This method solve the problem that rotor-side temperature cannot detect in real time, and according to the data of temperature detection, integral data, analyze temperature rise trend, when too high or too low grade abnormality occurs in temperature rise, take the circumstances into consideration to consider whether shutdown inspection, accomplish failure prediction.This time signal transmission uses the mode of punching, and fluting is with it in like manner.Remaining content not being described in detail belongs to prior art known to professional and technical personnel in the field.
Above-mentioned embodiment combines accompanying drawing and has carried out detailed explaination; but do not limit protection domain of the present utility model; described field member can also make modification on the basis of the utility model; as long as no creatively exceeding Spirit Essence of the present utility model, then all in protection domain of the present utility model.
Claims (7)
1. slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus in a kind, it is characterized in that, including machine shaft (1), signal conductor (5), motor rotor core (2), slip ring (6) and temperature sensor (8), described machine shaft (1) has groove (3) or aperture (4) vertically, described temperature sensor (8) is positioned on motor rotor core (2), described signal conductor (5) connects temperature sensor (8) and slip ring (6) along groove (3) or the aperture (4) of rotating shaft, rotor Dynamic Signal is borrowed slip ring external connection (7) to be connected with experiment detector device by described signal conductor (5).
2. middle slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus according to claim 1, it is characterized in that, the periphery of described signal conductor (5) is surrounded by the sleeve pipe of insulating properties, and it is arranged, fixes and draw and is all routed at the concave interstices of motor rotor core (2).
3. middle slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus according to claim 1, it is characterized in that, one end of described slip ring (6) connects the signal conductor (5) rotating with machine shaft (1), and the slip ring external connection (7) of the other end connects experiment detector device.
4. middle slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus according to claim 1, it is characterized in that, temperature sensor (8) for being converted into being easy to the sensor of other signals of transmission by temperature signal, including thermistor, PT100 and thermocouple, its quantity is one or more.
5. middle slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus according to claim 1, it is characterized in that, described groove (3) is positioned on machine shaft (1), its length extends to nearest motor rotor core (2) section part from machine shaft (1) one end, and its quantity is one or more.
6. middle slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus according to claim 1, it is characterized in that, by in machine shaft (1) vertically center get through and formed axial circular hole (9), its length extends to nearest motor rotor core (2) section part from machine shaft (1) one end, the rotating shaft (1) that will be located in rotor core (2) place subsequently radially opens up into spindle central formation radially circular hole (10), axial circular hole (9) is made to connect with radially circular hole (10), thus go into described aperture (4), wherein radially circular hole (10) quantity is one or more.
7. middle slowspeed machine rotor-side Dynamic Thermal parameter real-time detection apparatus according to claim 1, it is characterised in that glue envelope after groove (3) and the interior lead-in conductor of aperture (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249956.XU CN205620048U (en) | 2016-03-29 | 2016-03-29 | Well low -speed electric motor rotor dynamic thermal parameter real -time detection device that inclines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249956.XU CN205620048U (en) | 2016-03-29 | 2016-03-29 | Well low -speed electric motor rotor dynamic thermal parameter real -time detection device that inclines |
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| Publication Number | Publication Date |
|---|---|
| CN205620048U true CN205620048U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620249956.XU Expired - Fee Related CN205620048U (en) | 2016-03-29 | 2016-03-29 | Well low -speed electric motor rotor dynamic thermal parameter real -time detection device that inclines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370321A (en) * | 2016-10-17 | 2017-02-01 | 中国电子科技集团公司第十六研究所 | Measurement device for measuring temperature of rotating part in contact mode |
-
2016
- 2016-03-29 CN CN201620249956.XU patent/CN205620048U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370321A (en) * | 2016-10-17 | 2017-02-01 | 中国电子科技集团公司第十六研究所 | Measurement device for measuring temperature of rotating part in contact mode |
| CN106370321B (en) * | 2016-10-17 | 2019-03-05 | 中国电子科技集团公司第十六研究所 | A kind of measuring device of contact type measurement revolving part temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20170329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |