CN204831596U - Hydro -generator rotor field coil temperature dispersion formula automatic measuring device - Google Patents
Hydro -generator rotor field coil temperature dispersion formula automatic measuring device Download PDFInfo
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- CN204831596U CN204831596U CN201520624247.0U CN201520624247U CN204831596U CN 204831596 U CN204831596 U CN 204831596U CN 201520624247 U CN201520624247 U CN 201520624247U CN 204831596 U CN204831596 U CN 204831596U
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Abstract
The utility model provides a hydro -generator rotor field coil temperature dispersion formula automatic measuring device is equipped with the temperature measurement transmitter respectively on hydraulic generator's the rotor field coil, be equipped with the temperature signal receiver in the motor shell, and the temperature measurement transmitter passes through wireless connectivity with the temperature signal receiver, the ethernet port of the ethernet port of temperature signal receiver and computer monitoring system passes through the net twine and is connected, transmitter printed circuit board is equipped with in the casing of temperature measurement transmitter, the high frequency signal emission module that is equipped with TMP102 type temperature element, battery on the transmitter printed circuit board and gives first place to and form with CC2530F32 integrated circuit chip, the housing face who answers at the coil pair with the magnetic pole is established to TMP102 type temperature element's temperature -sensing face, the high frequency signal receiving module who is equipped with receiver printed circuit board in the box of temperature signal receiver and installs the power rectifier element on this circuit board and give first place to and form with CC2530F32 integrated circuit chip, the last ethernet port that is equipped with of high frequency signal receiving module.
Description
Technical field
The utility model provides a kind of magnet pole of rotor of hydraulic generator coil temperature distributing self-operated measuring unit.
Background technology
Measured magnet pole of rotor of hydraulic generator coil temperature in the past, most employing rotor voltage amperometric, namely utilizes copper cash resistance value to be the feature changed with temperature linearity, with voltage divided by electric current, try to achieve the temperature of present coil, the shortcoming of this method is: 1, can not Real-Time Monitoring; 2, artificial meter reading is needed; 3, it is poor that there are errors in computation; 4, the medial temperature of multiple magnetic pole can only be measured, the actual temperature of each magnetic pole can not be measured.Along with the raising of grid automation degree and the needs of safety in production, the automatic measurement of magnet pole of rotor of hydraulic generator coil temperature to become very important, particularly more aobvious important of the rotor magnetic pole coil temperature survey of large-sized water turbine generator.
Summary of the invention
The purpose of this utility model is to provide a kind of magnet pole of rotor of hydraulic generator coil temperature distributing self-operated measuring unit, and this device can measure the temperature of each pole coil of hydraulic generator rotor in real time, and the precision measured is high.
Technical scheme of the present invention is: a kind of magnet pole of rotor of hydraulic generator coil temperature distributing self-operated measuring unit, comprise the rotor in hydrogenerator casing, casing and stator, rotor is provided with some magnetic poles, it is characterized in that: the coil of each magnetic pole is equipped with respectively a thermometric transmitter, safe location in electric generator casing is equipped with temperature measurement signal receiver, and thermometric transmitter is connected by 2.4GHz high-frequency wireless signals with temperature measurement signal receiver; The ethernet port of temperature measurement signal receiver is connected by ethernet line with the ethernet port of computer supervisory control system, and described computer supervisory control system comprises main frame, display, alarm, storer.
Described thermometric transmitter, there is housing, housing is built with transmitter printed circuit board (PCB), TMP102 type temperature element transmitter printed circuit board (PCB) is equipped with, battery and the high-frequency signal transmitter module being main composition with CC2530F32 integrated circuit (IC) chip, battery is electrically connected with consuming parts each in housing by P.e.c., the SCL end of TMP102 type temperature element is held with the SCL of CC2530F32 integrated circuit (IC) chip and is connected, the SDA end of TMP102 type temperature element is held with the SDA of C2530F32 integrated circuit (IC) chip and is connected, the temperature sense face of TMP102 type temperature element is located at the surface of shell corresponding with the coil of magnetic pole, described temperature measurement signal receiver has casing, casing is built with receiver printed circuit board and the power rectifier element installed on the board and the high-frequency signal receiver module being main composition with CC2530F32 integrated circuit (IC) chip, the input end of power rectifier element is connected with 220V alternating current, the output terminal of power rectifier element is connected with high-frequency signal receiver module by P.e.c., high-frequency signal receiver module is provided with ethernet port.
The utility model has the advantages that: the thermometric transmitter on each coil sends the real time temperature of coil to temperature measurement signal receiver by wireless signal, temperature measurement signal receiver by each temperature data of receiving by network cable transmission to computer supervisory control system, can measure the temperature of magnet pole of rotor of hydraulic generator coil in real time, the temperature measurement accuracy of TMP102 type temperature element is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of magnet pole of rotor of hydraulic generator coil temperature of the utility model distributing self-operated measuring unit;
Fig. 2 is the structured flowchart of thermometric transmitter in the utility model, temperature measurement signal receiver, computer supervisory control system.
1 thermometric transmitter, 2 rotors, 3 stators, 4 casings, 5 temperature measurement signal receivers, 6 ethernet lines, 7 computer supervisory control systems in figure.
Embodiment
A kind of magnet pole of rotor of hydraulic generator coil temperature distributing self-operated measuring unit, comprise the rotor 2 in hydrogenerator casing 4, casing and stator 3, rotor is provided with some magnetic poles, a thermometric transmitter 1 coil of each magnetic pole is equipped with respectively, safe location in electric generator casing is equipped with temperature measurement signal receiver 5, and thermometric transmitter is connected by 2.4GHz high-frequency wireless signals with temperature measurement signal receiver; The ethernet port of temperature measurement signal receiver is connected by ethernet line 6 with the ethernet port of computer supervisory control system 7, and described computer supervisory control system comprises main frame, display, alarm, storer.
In the present embodiment, the rotor of hydrogenerator rotates with the rotating speed of 125 turns per minute, rotor has 48 rotor magnetic pole coils, each rotor magnetic pole coil is established a point for measuring temperature, each point for measuring temperature fills a thermometric transmitter, and determine a frequency, with to the temperature variations that should put, altogether 48 thermometric transmitters are installed, the temperature of each rotor magnetic pole coil can be surveyed.
Described thermometric transmitter, there is housing, housing is built with transmitter printed circuit board (PCB), TMP102 type temperature element transmitter printed circuit board (PCB) is equipped with, battery and the high-frequency signal transmitter module being main composition with CC2530F32 integrated circuit (IC) chip, battery is electrically connected with consuming parts each in housing by P.e.c., the SCL end of TMP102 type temperature element is held with the SCL of CC2530F32 integrated circuit (IC) chip and is connected, the SDA end of TMP102 type temperature element is held with the SDA of C2530F32 integrated circuit (IC) chip and is connected, the temperature sense face of TMP102 type temperature element is located at the surface of shell corresponding with the coil of magnetic pole, described temperature measurement signal receiver has casing, casing is built with receiver printed circuit board and the power rectifier element installed on the board and the high-frequency signal receiver module being main composition with CC2530F32 integrated circuit (IC) chip, the input end of power rectifier element is connected with 220V alternating current, the output terminal of power rectifier element is connected with high-frequency signal receiver module by P.e.c., high-frequency signal receiver module is provided with ethernet port.
Described housing is fixed on the point for measuring temperature of pole coil on hydrogenerator rotor by adopting bind or bonding method, and make that the temperature sense face of TMP102 type temperature element is relative with the coil of magnetic pole fits, described TMP102 type temperature element is the minimum low power consumption digital temperature sensor of industry of the tool SMBus (two-wire serial interface) that TI company produces, this sensor adopts SOT563 encapsulation, be of a size of 1.6 × 1.6mm, the height comprising lead-in wire is 0.6mm, maximum static current under this working sensor pattern is only 10 μ A, maximum current under shutdown mode is only 1 μ A, the temperature-measuring range of TMP102-40 ~ 125 DEG C.Described battery makes the lithium battery of 3.6V, and service time is 2 years.220V AC power step-down rectifier can be 3V direct supply by described power rectifier element, power rectifier element positive terminal road plate VCC, negative terminal road plate ground.
Principle of work of the present utility model is: TMP102 type temperature element sends the temperature digital signal recorded the CC2530F32 integrated circuit (IC) chip of high-frequency signal transmitter module to, CC2530F32 integrated circuit (IC) chip will send to the high-frequency signal receiver module of temperature measurement signal receiver with 2.4GHz high-frequency wireless signals after this digital signal modulated, modulation signal is converted to digital signal and is transferred to computer supervisory control system by ethernet port ethernet line 6 by the CC2530F32 integrated circuit (IC) chip in high-frequency signal receiver module, storer in computer supervisory control system is responsible for storing the temperature data obtained, display is responsible for showing real time data, when the temperature data recorded exceeds preset security value, alarm gives the alarm automatically according to program, the computing of data is responsible for by main frame.
Claims (2)
1. a magnet pole of rotor of hydraulic generator coil temperature distributing self-operated measuring unit, comprise the rotor in hydrogenerator casing, casing and stator, rotor is provided with some magnetic poles, it is characterized in that: the coil of each magnetic pole is equipped with respectively a thermometric transmitter, safe location in electric generator casing is equipped with temperature measurement signal receiver, and thermometric transmitter is connected by 2.4GHz high-frequency wireless signals with temperature measurement signal receiver; The ethernet port of temperature measurement signal receiver is connected by ethernet line with the ethernet port of computer supervisory control system, and described computer supervisory control system comprises main frame, display, alarm, storer.
2. a kind of magnet pole of rotor of hydraulic generator coil temperature distributing self-operated measuring unit according to claim 1, it is characterized in that: described thermometric transmitter, there is housing, housing is built with transmitter printed circuit board (PCB), TMP102 type temperature element transmitter printed circuit board (PCB) is equipped with, battery and the high-frequency signal transmitter module being main composition with CC2530F32 integrated circuit (IC) chip, battery is electrically connected with consuming parts each in housing by P.e.c., the SCL end of TMP102 type temperature element is held with the SCL of CC2530F32 integrated circuit (IC) chip and is connected, the SDA end of TMP102 type temperature element is held with the SDA of C2530F32 integrated circuit (IC) chip and is connected, the temperature sense face of TMP102 type temperature element is located at the surface of shell corresponding with the coil of magnetic pole, described temperature measurement signal receiver has casing, casing is built with receiver printed circuit board and the power rectifier element installed on the board and the high-frequency signal receiver module being main composition with CC2530F32 integrated circuit (IC) chip, the input end of power rectifier element is connected with 220V alternating current, the output terminal of power rectifier element is connected with high-frequency signal receiver module by P.e.c., and high-frequency signal receiver module is provided with ethernet port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520624247.0U CN204831596U (en) | 2015-08-19 | 2015-08-19 | Hydro -generator rotor field coil temperature dispersion formula automatic measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520624247.0U CN204831596U (en) | 2015-08-19 | 2015-08-19 | Hydro -generator rotor field coil temperature dispersion formula automatic measuring device |
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| CN204831596U true CN204831596U (en) | 2015-12-02 |
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| CN201520624247.0U Active CN204831596U (en) | 2015-08-19 | 2015-08-19 | Hydro -generator rotor field coil temperature dispersion formula automatic measuring device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017703A (en) * | 2016-07-21 | 2016-10-12 | 国家电网公司 | Temperature measuring system and method of magnetic pole screw rod connection joint of hydro-generator |
| CN108768087A (en) * | 2018-03-30 | 2018-11-06 | 中科矿山设备有限公司 | Large-scale outer rotor permanent magnet motor p-m rotor wireless temperature monitoring apparatus |
| 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 |
| CN113783315A (en) * | 2021-08-31 | 2021-12-10 | 东方电气集团东方电机有限公司 | Wireless power supply and signal transmission device for hydraulic generator rotor monitoring system |
| CN113916392A (en) * | 2021-10-11 | 2022-01-11 | 国网湖南省电力有限公司 | Hydropower station generator rotor winding temperature on-line monitoring system and method |
| CN114884280A (en) * | 2022-04-28 | 2022-08-09 | 东方电气集团东方电机有限公司 | Rotor coil temperature measuring device |
-
2015
- 2015-08-19 CN CN201520624247.0U patent/CN204831596U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017703A (en) * | 2016-07-21 | 2016-10-12 | 国家电网公司 | Temperature measuring system and method of magnetic pole screw rod connection joint of hydro-generator |
| CN108768087A (en) * | 2018-03-30 | 2018-11-06 | 中科矿山设备有限公司 | Large-scale outer rotor permanent magnet motor p-m rotor wireless temperature monitoring apparatus |
| 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 |
| CN113783315A (en) * | 2021-08-31 | 2021-12-10 | 东方电气集团东方电机有限公司 | Wireless power supply and signal transmission device for hydraulic generator rotor monitoring system |
| CN113783315B (en) * | 2021-08-31 | 2024-02-20 | 东方电气集团东方电机有限公司 | Wireless power supply and signal transmission device of hydro-generator rotor monitoring system |
| CN113916392A (en) * | 2021-10-11 | 2022-01-11 | 国网湖南省电力有限公司 | Hydropower station generator rotor winding temperature on-line monitoring system and method |
| CN113916392B (en) * | 2021-10-11 | 2023-11-10 | 国网湖南省电力有限公司 | On-line monitoring system and method for temperature of rotor winding of hydropower station generator |
| CN114884280A (en) * | 2022-04-28 | 2022-08-09 | 东方电气集团东方电机有限公司 | Rotor coil temperature measuring device |
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