CN207528368U - Hydraulic generator rotor wireless temperature measurement system - Google Patents
Hydraulic generator rotor wireless temperature measurement system Download PDFInfo
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- CN207528368U CN207528368U CN201721332926.6U CN201721332926U CN207528368U CN 207528368 U CN207528368 U CN 207528368U CN 201721332926 U CN201721332926 U CN 201721332926U CN 207528368 U CN207528368 U CN 207528368U
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- temperature
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- temperature sensor
- sampler
- radio
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- Control Of Eletrric Generators (AREA)
Abstract
The utility model is related to a kind of hydraulic generator rotor wireless temperature measurement systems, the system comprises radio temperature sensor, temperature sampler and wireless thermodetectors, the radio temperature sensor is distributed on power generator rotor magnetic pole, the temperature sampler is installed on rotor spindle nose, the radio temperature sensor is connected with temperature sampler, and wireless connection is used between the temperature sampler and wireless thermodetector.The utility model monitors rotor coil into trip temperature using radio temperature sensor in real time, temperature sampler emits collected data by antenna, then it is received using wireless thermodetector, and it carries out comprehensive analysis, judge, various signals needed for monitoring power station are provided, realizes and accident is predicted in advance, avoid the generation of accident, breakdown loss degree is reduced, ensures generating set safe operation.
Description
Technical field
The utility model is related to a kind of hydraulic generator rotor, more particularly, to a kind of hydraulic generator rotor wireless temperature measurement
System.
Background technology
Hydrogenerator refers to be converted into water using the hydraulic turbine as prime mover the generator of electric energy;Flow passes through the hydraulic turbine
When, water can be converted into mechanical energy, the shaft of the hydraulic turbine drives the rotor of generator again, converts mechanical energy into electric energy and defeated
Go out;It is the main dynamics equipment of power station production electric energy.
Traditional hydrogenerator in operation, often will appear the phenomenon that Generator Rotor Temperature is excessively high, it is serious can
It can burn the accidents such as electric generator rotor coil, damage generator system.Therefore, temperature monitoring is carried out to generator amature
Just seem extremely important.However, the most of turbine-generator units produced in the past, are confined to the difficulty that monitoring technology samples, no
It is easy to implement that temperature monitoring and control are carried out to rotatable parts.
Utility model content
For the actual needs of hydrogenerator safe operation, the utility model provide a kind of hydraulic generator rotor without
Line temp measuring system,
A kind of hydraulic generator rotor wireless temperature measurement system, the system comprises radio temperature sensor, temperature samplers
And wireless thermodetector, the radio temperature sensor are distributed on power generator rotor magnetic pole, the temperature sampler, which is installed on, to be turned
On sub- spindle nose, the radio temperature sensor is connected with temperature sampler, is adopted between the temperature sampler and wireless thermodetector
Use wireless connection.
Temperature of the generator amature as measured by radio temperature sensor, emits through temperature sampler to wireless thermodetector
(reception device) fully meets the technology needs that this rotatable parts of rotor measure.Wireless temperature instrument is using microcontroller as core
It is designed, there is self-correcting zero, self-correcting range, using capacitance-resistance filter network on interference prevention, finite instrument is made to resist by force
Interference performance reaches optimum state.
Preferably, the temperature sampler is mounted on by fixing device on rotor spindle nose.
Preferably, it is connected between the temperature sampler and radio temperature sensor by shielded cable.
Preferably, the temperature sampler passes through antenna and wireless thermodetector wireless connection.
Preferably, the wireless thermodetector is mounted on instrument panel.
Preferably, when number of poles is 6 multiple, radio temperature sensor is distributed in by 60 ° in rotor magnetic pole;Work as number of poles
When not being 6 multiple, radio temperature sensor is distributed in by N poles, S poles in rotor magnetic pole.
Preferably, the quantity of the radio temperature sensor is six, radio temperature sensor is distributed in rotor by 60 °
In the insulating support plate up and down of magnetic pole, wherein three are distributed in insulating support plate, in addition three are distributed in lower insulating support plate.
The utility model is simple in structure, reasonable design, the utility model using radio temperature sensor to rotor coil into
Trip temperature monitors in real time, and temperature sampler emits collected data by antenna, is then received using wireless thermodetector, and
And carry out comprehensive analysis, judge, the various signals needed for monitoring power station are provided, realizes and accident is predicted in advance, avoid accident
Occur, reduce breakdown loss degree, ensure generating set safe operation.
Description of the drawings
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the structure diagram of the utility model temperature sampler installation;
Fig. 3 is the arrangement schematic diagram of the utility model radio temperature sensor.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but claimed by the utility model
Range be not limited to this.
With reference to Fig. 1~3, a kind of hydraulic generator rotor wireless temperature measurement system, the system comprises radio temperature sensors
1st, temperature sampler 2 and wireless thermodetector 3, the radio temperature sensor are distributed on power generator rotor magnetic pole, the temperature
Collector 2 is mounted on by fixing device 4 on rotor spindle nose 5, is led between the radio temperature sensor 1 and temperature sampler 2
It crosses shielded cable to be connected, the temperature sampler 2 passes through antenna 6 and 3 wireless connection of wireless thermodetector, the wireless thermodetector 3
On instrument panel 7.
When number of poles is 6 multiple, radio temperature sensor is distributed in by 60 ° in rotor magnetic pole;When number of poles is not 6 times
During number, radio temperature sensor is distributed in by N poles, S poles in rotor magnetic pole.With reference to Fig. 3, specifically, number of poles is 2P, it is described wireless
The quantity of temperature sensor 1 is six, and radio temperature sensor is distributed in by 60 ° in the insulating support plate up and down of rotor magnetic pole,
In three be distributed in insulating support plate, in addition three are distributed in lower insulating support plate.
Particular technique parameter:
Generator amature wireless thermodetector (loaded on instrument panel)
(1), wireless frequency:2.4GHz
(2), working power:Rated value AC/DC220V, maximum magnitude AC85-264V 50Hz
(3), operating temperature:- 20 DEG C~+70 DEG C
(4), storage temperature:- 40 DEG C~+85 DEG C
(5), mounting means:Panel embedded type is installed
(6), Overall Power Consumption:≤5W
Radio temperature sensor (loaded on generator amature)
(1), temperature points are measured:6 points
(2), temperature sensor type:Thermistor 10K (25 DEG C)/B values 3950, two-wire system (cylinder)
(3), temperature-measuring range:- 10~+119.9 DEG C
Temperature sampler (loaded on generator amature spindle nose)
(1), sample frequency:50Hz
(2), transmission interval:5 seconds/6 temperature measuring points
(3), wireless frequency:2.4GHz
(4), working power:Rated value DC12V (rotor-exciting lead takes electricity), maximum magnitude DC9~36V
(5), operating temperature:- 20 DEG C~+70 DEG C
The utility model is experienced temperature by the radio temperature sensor being distributed on power generator rotor magnetic pole and is converted into
Collected data are converted to the electric signal of frequency 2.4GHz by temperature sampler by usable output signal, with 5 seconds for interval
Transmitting, the wireless thermodetector automatic frequency aligning on instrument panel receive this electric signal, and complete signal conversion, pass through setting valve
Setting, reaches the function of being monitored in real time, alarmed with industrial control system computer communication to Generator Rotor Temperature.
Claims (6)
1. a kind of hydraulic generator rotor wireless temperature measurement system, it is characterised in that:The system comprises radio temperature sensor, temperature
Degree collector and wireless thermodetector, the radio temperature sensor are distributed on power generator rotor magnetic pole, the temperature sampler
It is installed on rotor spindle nose, the radio temperature sensor is connected with temperature sampler, the temperature sampler and wireless temperature measurement
Wireless connection is used between instrument;When number of poles is 6 multiple, radio temperature sensor is distributed in by 60 ° in rotor magnetic pole;Work as pole
When number is not 6 multiple, radio temperature sensor is distributed in by N poles, S poles in rotor magnetic pole.
2. hydraulic generator rotor wireless temperature measurement system according to claim 1, it is characterised in that:The temperature sampler
It is mounted on rotor spindle nose by fixing device.
3. hydraulic generator rotor wireless temperature measurement system according to claim 1, it is characterised in that:The temperature sampler
It is connected between radio temperature sensor by shielded cable.
4. hydraulic generator rotor wireless temperature measurement system according to claim 1, it is characterised in that:The temperature sampler
Pass through antenna and wireless thermodetector wireless connection.
5. hydraulic generator rotor wireless temperature measurement system according to claim 1, it is characterised in that:The wireless thermodetector
On instrument panel.
6. hydraulic generator rotor wireless temperature measurement system according to claim 1, it is characterised in that:The wireless temperature passes
The quantity of sensor is six, and radio temperature sensor is distributed in by 60 ° in the insulating support plate up and down of rotor magnetic pole, wherein three points
Cloth is in upper insulating support plate, and in addition three are distributed in lower insulating support plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721332926.6U CN207528368U (en) | 2017-10-17 | 2017-10-17 | Hydraulic generator rotor wireless temperature measurement system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721332926.6U CN207528368U (en) | 2017-10-17 | 2017-10-17 | Hydraulic generator rotor wireless temperature measurement system |
Publications (1)
Publication Number | Publication Date |
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CN207528368U true CN207528368U (en) | 2018-06-22 |
Family
ID=62569475
Family Applications (1)
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CN201721332926.6U Active CN207528368U (en) | 2017-10-17 | 2017-10-17 | Hydraulic generator rotor wireless temperature measurement system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110132442A (en) * | 2019-05-31 | 2019-08-16 | 哈动国家水力发电设备工程技术研究中心有限公司 | The magnetic pole surfaces loss measurement device of variable-ratio generator motor |
CN110346062A (en) * | 2019-07-19 | 2019-10-18 | 国家电网有限公司 | A kind of unit rotor magnetic-pole connection wire temperature measuring equipment |
CN113375833A (en) * | 2021-05-18 | 2021-09-10 | 爱驰汽车(上海)有限公司 | Driving motor and rotor shaft temperature calculation method |
-
2017
- 2017-10-17 CN CN201721332926.6U patent/CN207528368U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110132442A (en) * | 2019-05-31 | 2019-08-16 | 哈动国家水力发电设备工程技术研究中心有限公司 | The magnetic pole surfaces loss measurement device of variable-ratio generator motor |
CN110346062A (en) * | 2019-07-19 | 2019-10-18 | 国家电网有限公司 | A kind of unit rotor magnetic-pole connection wire temperature measuring equipment |
CN113375833A (en) * | 2021-05-18 | 2021-09-10 | 爱驰汽车(上海)有限公司 | Driving motor and rotor shaft temperature calculation method |
CN113375833B (en) * | 2021-05-18 | 2022-12-23 | 爱驰汽车(上海)有限公司 | Driving motor and method for calculating temperature of rotor shaft |
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