CN220964563U - Power supply device of hydro-generator rotor monitoring equipment - Google Patents
Power supply device of hydro-generator rotor monitoring equipment Download PDFInfo
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- CN220964563U CN220964563U CN202321334621.4U CN202321334621U CN220964563U CN 220964563 U CN220964563 U CN 220964563U CN 202321334621 U CN202321334621 U CN 202321334621U CN 220964563 U CN220964563 U CN 220964563U
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- outer cover
- rotor monitoring
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000010248 power generation Methods 0.000 claims abstract description 16
- 238000012806 monitoring device Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000006698 induction Effects 0.000 description 5
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to the technical field of hydro-generator rotor monitoring, in particular to a power supply device of hydro-generator rotor monitoring equipment, which comprises rotor monitoring equipment, wherein a power receiving mechanism is fixedly arranged on the outer side of the rotor monitoring equipment, and a power generation mechanism is fixedly arranged on the outer side of the power receiving mechanism; the power receiving mechanism comprises a power receiving outer cover, the power receiving outer cover is sleeved on the outer side of the rotor monitoring equipment, a power supply connector is fixedly arranged at the top of the rotor monitoring equipment, and a receiving coil ring is sleeved on the outer side of the power receiving outer cover; the power generation mechanism comprises a power supply outer cover, the power supply outer cover is fixedly arranged on the outer side of a power receiving outer cover, a transmitting coil ring is fixedly connected inside the power supply outer cover, a power supply circuit is fixedly arranged at the top of the power supply outer cover, and an external power line is fixedly connected to the right side of the power supply circuit.
Description
Technical Field
The utility model relates to the technical field of hydro-generator rotor monitoring, in particular to a power supply device of hydro-generator rotor monitoring equipment.
Background
The hydroelectric power generation is an environment-friendly, clean and low-cost power source, the water turbine is used as core equipment of the hydroelectric power generation plant, the importance degree is self-evident, and for large-scale hydroelectric power generation equipment, real-time monitoring on potential safety hazards is needed to ensure that no major safety accidents occur and the normal operation of the hydroelectric power generation plant is ensured; the monitoring of various parameters of a rotor of a hydraulic generator is one of important measures for preventing a hydraulic turbine from faults, taking temperature measurement as an example, because a rotor coil of the hydraulic generator continuously rotates along with the rotor, and the position of a temperature point to be measured is in environments such as a strong magnetic field, high-speed movement and the like, the working condition is complex, and great difficulty is brought to the temperature measurement of the rotor coil, which is also a great difficulty which always puzzles the professional technicians of the hydraulic power generation system; the optical fiber temperature measurement technology provides a good solution for the temperature monitoring of the water turbine due to the characteristics of no electromagnetic interference, high temperature resistance, high pressure resistance and the like of the sensor;
However, the working environment of the water turbine in a strong electromagnetic and high-speed rotation state limits the traditional power supply mode, and is supposed to be difficult to meet the power supply requirement of the monitoring equipment, so that the power supply mode and the power supply device of the existing monitoring equipment are improved, and the power supply device of the novel rotor parameter measuring device is designed to change the technical defects, so that the power supply problem of the rotor monitoring device is solved.
Disclosure of utility model
The utility model aims to provide a power supply device of a hydraulic generator rotor monitoring device, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The power supply device of the hydro-generator rotor monitoring equipment comprises the rotor monitoring equipment, wherein a power receiving mechanism is fixedly arranged on the outer side of the rotor monitoring equipment, and a power generation mechanism is fixedly arranged on the outer side of the power receiving mechanism;
the power receiving mechanism comprises a power receiving outer cover, the power receiving outer cover is sleeved on the outer side of the rotor monitoring equipment, a power supply connector is fixedly arranged at the top of the rotor monitoring equipment, and a receiving coil ring is sleeved on the outer side of the power receiving outer cover;
The power generation mechanism comprises a power supply outer cover, the power supply outer cover is fixedly arranged on the outer side of a power receiving outer cover, a transmitting coil ring is fixedly connected to the inner portion of the power supply outer cover, a power supply circuit is fixedly arranged at the top of the power supply outer cover, and an external power line is fixedly connected to the right side of the power supply circuit.
As a preferable scheme of the utility model, the top of the power receiving outer cover is fixedly provided with a power receiving conversion circuit, and the power supply connector penetrates through the power receiving outer cover and is connected with the power receiving conversion circuit.
As a preferable scheme of the utility model, the receiving coil ring, the power receiving housing and the power supply housing are all in annular structural design.
As a preferable scheme of the utility model, the power supply housing and the power supply housing are in symmetrical structural design.
As a preferable scheme of the utility model, the power receiving mechanism is of symmetrical structural design.
As a preferable scheme of the utility model, the power receiving mechanism and the rotor monitoring equipment are arranged on the central shaft of the generator rotor, the power receiving mechanism and the rotor monitoring equipment are in an integrated structural design with the central shaft of the generator rotor, and the power receiving mechanism and the rotor monitoring equipment are in a dynamic state.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, through the design of the power supply device, compared with a traditional power generation mode, the method adopts an electromagnetic induction power generation mode, so that the method is fully compatible with continuously supplying power to equipment through the power supply coil under static and dynamic conditions, and the cost performance is high.
2. According to the utility model, through the design of the power receiving mechanism and the power generating mechanism, compared with a traditional contact type power supply mode of slip ring power supply, the problem of complex wiring is avoided, the defect of a contact type power supply method of a generator rotor in a special working environment is overcome, meanwhile, the electromagnetic induction principle is utilized, the power supply of the rotor monitoring equipment is realized through the power supply unit and the power receiving mechanism, the installation is simple and convenient, and the power supply is stable and reliable.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall three-dimensional structure of the present utility model;
fig. 3 is a cross-sectional view of the overall planar structure of the present utility model.
In the figure: 1. a rotor monitoring device; 2. a driven mechanism; 201. a power receiving housing; 202. a power supply connector; 203. a receiving coil loop; 204. a power receiving conversion circuit; 3. a power generation mechanism; 301. a power supply housing; 302. a transmitting ring; 303. a power supply circuit; 304. and (5) externally connecting a power line.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Examples:
Taking monitoring of the temperature of a hot spot of a water turbine rotor as an example, aiming at the defects of the prior art, the utility model aims to provide a power supply device of monitoring equipment of a water turbine generator, which aims to solve the technical problems that a power supply line of the monitoring equipment rotates continuously along with the rotor, the position of the temperature point to be measured is in environments such as a strong magnetic field and high-speed movement, and the like in the prior art, the working condition is complex, and great difficulty is brought to the measurement of the temperature of the hot spot of the rotor.
Referring to fig. 1-3, the present utility model provides a technical solution:
The power supply device of the hydro-generator rotor monitoring equipment comprises rotor monitoring equipment 1, wherein a power receiving mechanism 2 is fixedly arranged on the outer side of the rotor monitoring equipment 1, and a power generation mechanism 3 is fixedly arranged on the outer side of the power receiving mechanism 2;
The power receiving mechanism 2 comprises a power receiving outer cover 201, the power receiving outer cover 201 is sleeved on the outer side of the rotor monitoring equipment 1, a power supply joint 202 is fixedly arranged at the top of the rotor monitoring equipment 1, and a receiving coil ring 203 is sleeved on the outer side of the power receiving outer cover 201;
the power generation mechanism 3 comprises a power supply housing 301, wherein the power supply housing 301 is fixedly arranged on the outer side of the power receiving housing 201, a transmitting coil ring 302 is fixedly connected to the inside of the power supply housing 301, a power supply circuit 303 is fixedly arranged on the top of the power supply housing 301, and an external power line 304 is fixedly connected to the right side of the power supply circuit 303.
Further, the external power line 304 is used for supplying power to the power supply circuit 303, after the current converter in the power receiving conversion circuit 204 and the corresponding compensation network circuit are used for processing, the control of the energy emitting device in different modes is realized, the current in the power supply housing 301 flows through the induction magnetic field to convert the electric energy into the magnetic energy, and the power receiving conversion circuit 204 is in a symmetrical structural design; the power receiving mechanism 2 is a dynamic device and is arranged on a central shaft of the rotor along with the rotor monitoring device 1, induction current is generated on the power receiving housing 201 by utilizing the mutual inductance principle of electromagnetic induction, the power supply connector 202 penetrates through the power receiving housing 201 and is connected with the power receiving conversion circuit 204, and the generated induction current in the power receiving housing 201 is stably supplied to the rotor monitoring device 1 by utilizing the power receiving conversion circuit 204 in the power receiving mechanism 2 and through an alternating current-direct current converter after being converted by the power supply connector 202 and is connected with the power supply input end of the rotor monitoring device 1; the receiving coil ring 203 is also annularly wound outside the power receiving housing 201, the power supply mechanism is installed at the center position of the stator sealing cover, the power receiving mechanism 2 and the rotor monitoring device 1 are installed on the center shaft of the generator rotor, the power receiving mechanism 2 and the rotor monitoring device 1 are integrally designed with the center shaft of the generator rotor, the power receiving mechanism 2 and the rotor monitoring device 1 are in dynamic states, the power supply housing 301 is fixed on the inner wall of the housing of the power supply mechanism, the power receiving housing 201 is wound on the outer wall of the housing of the power receiving mechanism 2, a certain distance is kept between the power receiving housing 201 and the power supply housing 301, friction is not generated between the two coils after the center shaft rotates, and stable power supply can be ensured under the condition of no matter static state or rotation.
The working flow of the utility model is as follows: when the rotor monitoring equipment is used, the power supply circuit 303 is powered by an external power line 304, the control under different modes of the energy emitting equipment is realized after the power supply circuit is processed by a current converter in the power receiving conversion circuit 204 and a corresponding compensation network circuit, the current flows in the power supply housing 301 to generate an induced magnetic field to convert electric energy into magnetic energy, and the transmitting ring 302 is annularly fixed in the power supply housing 301; the power receiving mechanism 2 is a dynamic device and is arranged on the central shaft of the rotor along with the rotor monitoring device 1, induction current is generated on the power receiving housing 201 by utilizing the mutual inductance principle of electromagnetic induction, and the generated induction current in the power receiving housing 201 is stably supplied to the rotor monitoring device 1 by connecting the power receiving conversion circuit 204 in the power receiving mechanism 2 with the power input end of the rotor monitoring device 1 through the power supply connector 202 after being converted by an alternating current-direct current converter; the power supply housing 301 is fixed on the inner wall of the equipment housing of the power supply mechanism, the power receiving housing 201 is wound on the outer wall of the equipment housing of the power receiving mechanism 2, a certain distance is kept between the power receiving housing 201 and the power supply housing 301, friction between two coils is avoided after a central shaft rotates, stable power supply can be ensured under the condition of static or rotating, and the power supply problem of the temperature measuring equipment for detecting the temperature of the rotor of the water turbine can be solved by the rotor monitoring equipment.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a power supply unit of hydro-generator rotor monitoring facilities, includes rotor monitoring facilities (1), its characterized in that: the outer side of the rotor monitoring equipment (1) is fixedly provided with a power receiving mechanism (2), and the outer side of the power receiving mechanism (2) is fixedly provided with a power generation mechanism (3);
The power receiving mechanism (2) comprises a power receiving outer cover (201), the power receiving outer cover (201) is sleeved on the outer side of the rotor monitoring equipment (1), a power supply connector (202) is fixedly arranged at the top of the rotor monitoring equipment (1), and a receiving coil ring (203) is sleeved on the outer side of the power receiving outer cover (201);
the power generation mechanism (3) comprises a power supply outer cover (301), the power supply outer cover (301) is fixedly arranged on the outer side of the power receiving outer cover (201), a transmitting coil ring (302) is fixedly connected to the inside of the power supply outer cover (301), a power supply circuit (303) is fixedly arranged at the top of the power supply outer cover (301), and an external power line (304) is fixedly connected to the right side of the power supply circuit (303).
2. The power supply device of a hydro-generator rotor monitoring apparatus according to claim 1, wherein: the top of the power receiving outer cover (201) is fixedly provided with a power receiving conversion circuit (204), and the power supply connector (202) is connected with the power receiving conversion circuit (204) and penetrates through the power receiving outer cover (201).
3. The power supply device of a hydro-generator rotor monitoring apparatus according to claim 1, wherein: the receiving coil ring (203), the power receiving housing (201) and the power supply housing (301) are all of annular structural design.
4. A power supply apparatus for a hydro-generator rotor monitoring device as defined in claim 3 wherein: the power supply outer cover (301) and the power supply outer cover (301) are of symmetrical structural design.
5. The power supply device of a hydro-generator rotor monitoring apparatus according to claim 1, wherein: the power receiving mechanism (2) is in annular symmetrical structural design.
6. The power supply device of a hydro-generator rotor monitoring apparatus according to claim 1, wherein: the power receiving mechanism (2) and the rotor monitoring equipment (1) are arranged on a central shaft of a rotor of the generator, and the power receiving mechanism (2) and the rotor monitoring equipment (1) are in a dynamic state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321334621.4U CN220964563U (en) | 2023-05-30 | 2023-05-30 | Power supply device of hydro-generator rotor monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321334621.4U CN220964563U (en) | 2023-05-30 | 2023-05-30 | Power supply device of hydro-generator rotor monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220964563U true CN220964563U (en) | 2024-05-14 |
Family
ID=90981724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321334621.4U Active CN220964563U (en) | 2023-05-30 | 2023-05-30 | Power supply device of hydro-generator rotor monitoring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220964563U (en) |
-
2023
- 2023-05-30 CN CN202321334621.4U patent/CN220964563U/en active Active
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