CN207528368U - Hydraulic generator rotor wireless temperature measurement system - Google Patents

Hydraulic generator rotor wireless temperature measurement system Download PDF

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Publication number
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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China
Prior art keywords
temperature
wireless
temperature sensor
sampler
radio
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Application number
CN201721332926.6U
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Chinese (zh)
Inventor
翁留发
郭佳燕
王力
张银果
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HANGZHOU HANGFA POWER GENERATION EQUIPMENT Co Ltd
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HANGZHOU HANGFA POWER GENERATION EQUIPMENT Co Ltd
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Application filed by HANGZHOU HANGFA POWER GENERATION EQUIPMENT Co Ltd filed Critical HANGZHOU HANGFA POWER GENERATION EQUIPMENT Co Ltd
Priority to CN201721332926.6U priority Critical patent/CN207528368U/en
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Publication of CN207528368U publication Critical patent/CN207528368U/en
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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

Hydraulic generator rotor wireless temperature measurement system
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.
CN201721332926.6U 2017-10-17 2017-10-17 Hydraulic generator rotor wireless temperature measurement system Active CN207528368U (en)

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
CN207528368U true CN207528368U (en) 2018-06-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721332926.6U Active CN207528368U (en) 2017-10-17 2017-10-17 Hydraulic generator rotor wireless temperature measurement system

Country Status (1)

Country Link
CN (1) CN207528368U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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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