CN217424581U - A accurate temperature measurement system for hydroelectric power plant generating set - Google Patents
A accurate temperature measurement system for hydroelectric power plant generating set Download PDFInfo
- Publication number
- CN217424581U CN217424581U CN202220675330.0U CN202220675330U CN217424581U CN 217424581 U CN217424581 U CN 217424581U CN 202220675330 U CN202220675330 U CN 202220675330U CN 217424581 U CN217424581 U CN 217424581U
- Authority
- CN
- China
- Prior art keywords
- temperature measurement
- temperature
- power plant
- stator core
- generating set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The utility model discloses an accurate temperature measurement system for generating set of hydraulic power plant, which relates to the technical field of generating set temperature measurement, and comprises a generating set and a temperature measurement cabinet, wherein a temperature patrol instrument is arranged in the temperature measurement cabinet, a rotating shaft is arranged in the generating set, a mounting plate is arranged on one side of the rotating shaft, and blades are arranged on the outer side of the mounting plate; a accurate temperature measurement system for hydroelectric power plant generating set, through configuring temperature measurement resistance into three-wire system temperature measurement resistance, the temperature patrols and examines the appearance and input the configuration for three-wire system, the cable in the middle return circuit applies to the three-wire, and then whole temperature measurement system constitutes the three-wire system temperature measurement, thereby there is not measuring accuracy poor, there is the temperature compensation volume, the temperature measurement volume is comparatively stable, do not jump the problem, setting through mounting structure, carry out the installation in-process at temperature measurement resistance, convenient and fast, the installation effectiveness of temperature measurement resistance is improved, the subsequent maintenance and the maintenance of the temperature measurement resistance of being convenient for.
Description
Technical Field
The utility model relates to a generating set temperature measurement technical field specifically is an accurate temperature measurement system for generating set of hydroelectric power plant.
Background
The accurate temperature measurement system of generating set is a system that is used for hydroelectric power plant generating set inside to detect the temperature, but there is certain drawback in the accurate temperature measurement system of current generating set in the use, firstly, the temperature measurement resistance configuration is three-wire system temperature measurement resistance, the temperature patrolling instrument is three-wire system input configuration, cable laying in the intermediate circuit is two lines, and then whole temperature measurement system does not constitute three-wire system temperature measurement, there is measurement accuracy difference two-wire system mode of connection, there is not temperature compensation volume, lead to the unstability of temperature measurement volume, the jump problem, secondly, the installation and the dismantlement of temperature measurement resistance are loaded down with trivial details, the structure of being convenient for to install, reduce its subsequent maintenance and maintenance efficiency, for this reason, the staff in the field has proposed the accurate temperature measurement system who is used for hydroelectric power plant generating set.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an accurate temperature measurement system for hydroelectric power plant generating set has solved the problem among the above-mentioned background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the accurate temperature measurement system for the generator set of the hydraulic power plant comprises the generator set and a temperature measurement cabinet, wherein a temperature patrol inspection instrument is installed inside the temperature measurement cabinet, a rotating shaft is arranged inside the generator set, an installation plate is arranged on one side of the rotating shaft, blades are arranged on the outer side of the installation plate, a rotor is arranged on the outer side of the rotating shaft, a stator core is arranged on the outer side of the rotor, a stator winding is arranged inside the stator core, a temperature measurement resistor is arranged on one side of the stator core, and an installation structure is arranged at the joint of the stator core and the temperature measurement resistor;
the mounting structure comprises a fixing block connected with the outer side of the temperature measuring resistor, a moving groove is formed in one side of the stator core, a rotating groove is formed in the moving groove, a fixing groove is formed in the inner side of the rotating groove, a limiting spring is arranged on the inner side of the rotating groove, and a supporting plate is arranged on one side of the limiting spring.
As a further technical scheme of the utility model, be electric connection between temperature measurement cabinet and the temperature patrol and examine the appearance, the quantity that the appearance was examined to the temperature is a plurality of groups and is array distribution, the pilot lamp is installed to one side of temperature measurement cabinet, the quantity of pilot lamp is a plurality of groups and is array distribution.
As a further technical scheme of the utility model, be fixed connection between pivot and the mounting panel, the mounting panel is flat form cylinder structure, mounting panel and blade pass through the bolt and form fixed connection, the quantity of blade is a plurality of groups and is the annular and distributes.
As a further technical scheme of the utility model, be fixed connection between pivot and the rotor, be connected for rotating between rotor and the stator core, be fixed connection between stator core and the stator winding, temperature measurement resistance's quantity is a plurality of groups and is the annular distribution.
As a further technical scheme of the utility model, be fixed connection between temperature measuring resistor and the fixed block, the quantity of fixed block is two times of temperature measuring resistor quantity, the quantity of shifting chute is a plurality of groups and is the annular and distributes, the combination and the shifting chute looks adaptation of fixed block and temperature measuring resistor, the diameter that rotates the groove is greater than the diameter of shifting chute.
As a further technical scheme of the utility model, the cross-sectional area of fixed slot is greater than the cross-sectional area of fixed block, the number of turns of spacing spring is four rings, the backup pad is heat conduction structure, the backup pad is flat ring structure, the quantity of backup pad equals with temperature measuring resistor's quantity.
Advantageous effects
The utility model provides an accurate temperature measurement system for generating set of hydroelectric power plant. Compared with the prior art, the method has the following beneficial effects:
1. a accurate temperature measurement system for hydroelectric power plant generating set, configure temperature measurement resistance into three-wire system temperature measurement resistance, the appearance is examined for the temperature patrol and is configured for three-wire system input, the cable in the middle return circuit is applied to three-wire, and then whole temperature measurement system constitutes three-wire system temperature measurement, thereby there is not measuring accuracy poor, there is the temperature compensation volume, the temperature measurement volume is comparatively stable, do not jump the problem, detect the temperature through three-wire system temperature measurement system and more can reflect equipment actual temperature, improve equipment reliability, accurately know equipment running state, ensure unit safety and stability and operation.
2. A accurate temperature measurement system for hydroelectric power plant generating set, setting through mounting structure, carry out the installation in-process at temperature measurement resistance, the user removes the combination of temperature measurement resistance and fixed block along the inboard of shifting chute, until the contact backup pad, make spacing spring compress, when the movement track of until spacing spring reaches the terminal point, rotate temperature measurement resistance, make the fixed block rotate along rotating the groove, make fixed block and fixed slot keep the level, loosen temperature measurement resistance, under spacing spring's elastic potential energy, make the fixed block remove along the fixed slot, thereby install temperature measurement resistance fixed, high convenience and fastness, the installation effectiveness of temperature measurement resistance is improved, be convenient for temperature measurement resistance's follow-up maintenance and maintenance.
Drawings
FIG. 1 is a schematic structural diagram of an accurate temperature measurement system for a hydroelectric generating set;
FIG. 2 is a schematic view of a partial structure of an accurate temperature measurement system for a hydroelectric generating set;
FIG. 3 is an internal structure diagram of a generator in the accurate temperature measurement system for the generator set of the hydraulic power plant;
FIG. 4 is a schematic view of a partial structure of a stator core in an accurate temperature measurement system for a generator set of a hydraulic power plant;
fig. 5 is an enlarged view of a in fig. 4 of the accurate temperature measurement system for a hydroelectric generating set.
In the figure: 1. a generator set; 2. a temperature measuring cabinet; 3. a temperature polling instrument; 4. an indicator light; 5. a rotating shaft; 6. mounting a plate; 7. a blade; 8. a rotor; 9. a stator core; 10. a stator winding; 11. a temperature measuring resistor; 12. a mounting structure; 121. a fixed block; 122. a moving groove; 123. a rotating groove; 124. fixing grooves; 125. a limiting spring; 126. and a support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides an accurate temperature measurement system technical scheme for hydroelectric power plant generating set 1: an accurate temperature measurement system for a generator set 1 of a hydraulic power plant comprises the generator set 1 and a temperature measurement cabinet 2, a temperature polling instrument 3 is installed inside the temperature measurement cabinet 2, a rotating shaft 5 is arranged inside the generator set 1, a mounting plate 6 is arranged on one side of the rotating shaft 5, a blade 7 is arranged on the outer side of the mounting plate 6, a rotor 8 is arranged on the outer side of the rotating shaft 5, a stator core 9 is arranged on the outer side of the rotor 8, a stator winding 10 is arranged inside the stator core 9, a temperature measurement resistor 11 is arranged on one side of the stator core 9, a mounting structure 12 is arranged at the joint of the stator core 9 and the temperature measurement resistor 11, the mounting structure 12 comprises a fixed block 121 connected with the outer side of the temperature measurement resistor 11, a moving groove 122 is formed on one side of the stator core 9, a rotating groove 123 is formed inside the moving groove 122, a fixed groove 124 is formed on the inner side of the rotating groove 123, and a limit spring 125 is arranged on the inner side of the rotating groove 123, a support plate 126 is provided at one side of the spacing spring 125.
Referring to fig. 1-3, further, the temperature measuring cabinet 2 is electrically connected to the temperature inspecting instrument 3, the temperature inspecting instruments 3 are arranged in a plurality of groups and distributed in an array, the indicating lamps 4 are installed on one side of the temperature measuring cabinet 2, the indicating lamps 4 are arranged in a plurality of groups and distributed in an array, the rotating shaft 5 is fixedly connected to the mounting plate 6, the mounting plate 6 is of a flat cylindrical structure, the mounting plate 6 is fixedly connected to the blades 7 through bolts, the blades 7 are arranged in a plurality of groups and distributed in an annular shape, the rotating shaft 5 is fixedly connected to the rotor 8, the rotor 8 is rotatably connected to the stator core 9, the stator core 9 is fixedly connected to the stator winding 10, and the temperature measuring resistors 11 are arranged in a plurality of groups and distributed in an annular shape.
Referring to fig. 3-5, the temperature measuring resistors 11 are fixedly connected to the fixing blocks 121, the number of the fixing blocks 121 is twice that of the temperature measuring resistors 11, the number of the moving grooves 122 is several groups and annularly distributed, a combination of the fixing blocks 121 and the temperature measuring resistors 11 is adapted to the moving grooves 122, the diameter of the rotating groove 123 is larger than that of the moving groove 122, the cross-sectional area of the fixing groove 124 is larger than that of the fixing blocks 121, the number of turns of the limiting spring 125 is four, the supporting plate 126 is a heat conducting structure, the supporting plate 126 is a flat ring structure, and the number of the supporting plates 126 is equal to that of the temperature measuring resistors 11.
The utility model discloses a theory of operation: thereby drive blade 7 through rivers and drive mounting panel 6 and rotate 5 for rotor 8 rotates along stator core 9 is inside, thereby generates electricity, and temperature measuring resistor 11 measures its temperature and transmits for temperature patrol and examine appearance 3.
Dispose temperature measuring resistor 11 into three-wire system temperature measuring resistor 11, temperature patrol and examine appearance 3 and input the configuration for the three-wire system, the cable in the middle return circuit applies for the three-wire, and then whole temperature measurement system constitutes the three-wire system temperature measurement, thereby there is not measurement accuracy poor, there is the temperature compensation volume, the temperature measurement volume is comparatively stable, do not have the jump problem, detect the temperature through three-wire system temperature measurement system and more can reflect equipment actual temperature, improve equipment reliability, accurately know equipment running state, ensure unit safety and stability and move.
It should be noted that, through the setting of the mounting structure 12, in the installation process of the temperature measuring resistor 11, the user moves the combination of the temperature measuring resistor 11 and the fixed block 121 along the inner side of the moving groove 122 until contacting the supporting plate 126, so that the limiting spring 125 is compressed, until the movement track of the limiting spring 125 reaches the end point, the temperature measuring resistor 11 is rotated, so that the fixed block 121 rotates along the rotating groove 123, so that the fixed block 121 and the fixed groove 124 are kept horizontal, the temperature measuring resistor 11 is loosened, under the elastic potential energy of the limiting spring 125, the fixed block 121 moves along the fixed groove 124, so that the temperature measuring resistor 11 is fixedly installed, which is convenient and fast, the installation efficiency of the temperature measuring resistor 11 is improved, and the subsequent overhaul and maintenance of the temperature measuring resistor 11 are convenient.
Claims (6)
1. The accurate temperature measurement system for the generator set of the hydraulic power plant comprises a generator set (1) and a temperature measurement cabinet (2), and is characterized in that a temperature patrol instrument (3) is mounted inside the temperature measurement cabinet (2), a rotating shaft (5) is arranged inside the generator set (1), a mounting plate (6) is arranged on one side of the rotating shaft (5), blades (7) are arranged on the outer side of the mounting plate (6), a rotor (8) is arranged on the outer side of the rotating shaft (5), a stator core (9) is arranged on the outer side of the rotor (8), a stator winding (10) is arranged inside the stator core (9), a temperature measurement resistor (11) is arranged on one side of the stator core (9), and a mounting structure (12) is arranged at the joint of the stator core (9) and the temperature measurement resistor (11);
the mounting structure (12) comprises a fixing block (121) connected to the outer side of the temperature measuring resistor (11), a moving groove (122) is formed in one side of the stator core (9), a rotating groove (123) is formed in the moving groove (122), a fixing groove (124) is formed in the inner side of the rotating groove (123), a limiting spring (125) is arranged on the inner side of the rotating groove (123), and a supporting plate (126) is arranged on one side of the limiting spring (125).
2. The accurate temperature measurement system for hydroelectric power plant generating set of claim 1, characterized in that for electric connection between temperature measurement cabinet (2) and the temperature patrol and examine appearance (3), the quantity that appearance (3) were examined to the temperature is a plurality of groups and is array distribution, pilot lamp (4) are installed to one side of temperature measurement cabinet (2), the quantity of pilot lamp (4) is a plurality of groups and is array distribution.
3. The system for accurately measuring the temperature of the generator set of the hydraulic power plant according to claim 1, wherein the rotating shaft (5) is fixedly connected with the mounting plate (6), the mounting plate (6) is of a flat cylindrical structure, the mounting plate (6) is fixedly connected with the blades (7) through bolts, and the blades (7) are distributed in a plurality of groups in an annular manner.
4. The system for accurately measuring the temperature of the generator set of the hydraulic power plant according to claim 1, wherein the rotating shaft (5) is fixedly connected with the rotor (8), the rotor (8) is rotatably connected with the stator core (9), the stator core (9) is fixedly connected with the stator winding (10), and the temperature measuring resistors (11) are distributed in a plurality of groups in an annular shape.
5. The system for accurately measuring the temperature of the generator set of the hydraulic power plant according to claim 1, wherein the temperature measuring resistors (11) are fixedly connected with the fixed blocks (121), the number of the fixed blocks (121) is twice that of the temperature measuring resistors (11), the number of the movable grooves (122) is a plurality of groups and is distributed annularly, a combination of the fixed blocks (121) and the temperature measuring resistors (11) is matched with the movable grooves (122), and the diameter of the rotary groove (123) is larger than that of the movable grooves (122).
6. The system for accurately measuring the temperature of the generator set of the hydraulic power plant according to claim 1, wherein the cross-sectional area of the fixing groove (124) is larger than that of the fixing block (121), the supporting plate (126) is of a heat conducting structure, the supporting plate (126) is of a flat annular structure, and the number of the supporting plates (126) is equal to that of the temperature measuring resistors (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220675330.0U CN217424581U (en) | 2022-03-26 | 2022-03-26 | A accurate temperature measurement system for hydroelectric power plant generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220675330.0U CN217424581U (en) | 2022-03-26 | 2022-03-26 | A accurate temperature measurement system for hydroelectric power plant generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217424581U true CN217424581U (en) | 2022-09-13 |
Family
ID=83180187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220675330.0U Active CN217424581U (en) | 2022-03-26 | 2022-03-26 | A accurate temperature measurement system for hydroelectric power plant generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217424581U (en) |
-
2022
- 2022-03-26 CN CN202220675330.0U patent/CN217424581U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201637803U (en) | Portable failure data recorder | |
| CN217424581U (en) | A accurate temperature measurement system for hydroelectric power plant generating set | |
| CN201993434U (en) | System for quickly positioning distribution network faults based on wireless sensor network | |
| CN201788031U (en) | Intelligent wireless temperature measuring device for contact terminal of high-voltage circuitbreaker | |
| CN206772432U (en) | A kind of Turbo-generator Set Vibration monitoring system | |
| CN203476620U (en) | Lightning protection ground device of rotation part of wind turbine generator | |
| CN202939246U (en) | Device for carrying out power generation efficiency comparison test on inclined single-shaft tracking bracket and fixing bracket | |
| CN202002745U (en) | Wireless temperature sensor | |
| CN212229138U (en) | Inside monitoring system that wets of oiled paper capacitive transformer bushing | |
| CN210430373U (en) | Monitoring device for monitoring length of carbon brush in real time, carbon brush comprising monitoring device and wind turbine generator set | |
| CN112879243A (en) | Unmanned aerial vehicle fan blade detection and fault analysis device and current detection method | |
| CN202092790U (en) | Wireless temperature measuring sensor for static contact | |
| CN110988775B (en) | Anti-reverse power transmission calibration device for electric dynamometer | |
| CN210317619U (en) | Lightning protection device for wind driven generator | |
| CN215574420U (en) | Current-carrying frictional wear simulation test device for carbon brush and collecting ring under eccentric runout | |
| CN103278780A (en) | Photovoltaic module matrix monitor | |
| CN113623145A (en) | Offshore wind turbine generator system supporting structure state monitoring system | |
| CN113092298B (en) | Current-carrying frictional wear simulation test device and method for lower carbon brush and collecting ring of eccentric runout of hydraulic generator | |
| CN109510047B (en) | Slip ring circuit and device of high-stability wind generating set | |
| CN219935154U (en) | Device for measuring temperature of rotor of horizontal hydraulic generator in contact mode | |
| CN110031698B (en) | Direct current online calibration system and calibration device | |
| CN211655279U (en) | Test run electric brush device of steam turbine generator and hydraulic generator | |
| CN216767488U (en) | Arrangement structure of transmitting antenna plate of turbine blade vibration characteristic remote measurement system | |
| CN212905365U (en) | Power distribution network electric leakage detection device based on cloud platform | |
| CN215115204U (en) | Carbon brush life detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |