CN110735749A - hydro-generator bearing cooler cooling efficiency measuring system - Google Patents
hydro-generator bearing cooler cooling efficiency measuring system Download PDFInfo
- Publication number
- CN110735749A CN110735749A CN201911069678.4A CN201911069678A CN110735749A CN 110735749 A CN110735749 A CN 110735749A CN 201911069678 A CN201911069678 A CN 201911069678A CN 110735749 A CN110735749 A CN 110735749A
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- China
- Prior art keywords
- type
- flow velocity
- turbine generator
- bearing cooler
- water turbine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/008—Measuring or testing arrangements
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention aims to disclose types of cooling efficiency measuring systems for bearing coolers of a water turbine generator, wherein an industrial computer analyzes and calculates the flow direction and flow velocity values of lubricating oil on the surface of the bearing cooler according to the internal flow field of an oil groove of the water turbine generator in actual operation, the rotating speed of a motor pump set is adjusted through a frequency converter to adjust the flow velocity entering a test oil groove, the opening degree of a rectangular guide vane in the test oil groove is controlled through a servo motor, the flow velocity of the lubricating oil around the bearing cooler of the water turbine generator is fed back through a flow velocity measuring device in the test oil groove, so that the flow direction and the flow velocity value of the lubricating oil around the bearing cooler of the water turbine generator in the measuring system are closer to the working state of the bearing cooler in the oil groove of the water turbine generator, and the cooling efficiency of the bearing cooler of the water turbine generator in the measuring system is calculated under the state.
Description
The technical field is as follows:
the invention relates to an type cooling efficiency measuring system for a bearing cooler of a water turbine generator.
Background art:
with the development of hydroelectric technology in China, heavy-load and high-speed hydraulic generator sets are continuously increased, the heat loss generated by bearings of the hydraulic generator sets is increased more and more, the cooling efficiency of a hydraulic generator bearing cooler is accurately measured, and the method is which is a key index for designing and improving the hydraulic generator bearing cooler.
The invention content is as follows:
the technical scheme includes that the system comprises a temperature sensor, a liquid pressure sensor, a lower hydro-generator bearing cooler cooling efficiency measuring system, a temperature sensor, a temperature, a sensor, a temperature.
The invention analyzes and calculates the flow direction and flow velocity value of the surface lubricating oil of the bearing cooler of the water-turbine generator set according to the internal flow field of the oil groove of the water-turbine generator set in actual operation, adjusts the rotating speed of the motor pump set through a frequency converter to adjust the oil flow velocity entering and exiting the test oil groove, controls the opening degree of a guide vane of the test oil groove through a servo motor, and feeds back the rotating speed around the bearing cooler of the water-turbine generator set in the test oil groove through a flow velocity measuring device in the test oil groove, so that the flow direction and flow velocity value around the bearing cooler of the water-turbine generator set in a measuring system are closer to the cooler in the oil groove of a real water-turbine generator set, under the condition, the heat carried away by the bearing cooler of the water-turbine generator set is directly calculated according to the basic principle that the heat required by the temperature reduction of the lubricating oil with the same volume is the same, and the change of the temperature and the oil flow is measured.
The cooling efficiency of the bearing cooler of the traditional water turbine generator is calculated mainly in two modes, a manufacturer carries out theoretical calculation by adopting a thermal formula according to the specific structure of the bearing cooler of the water turbine generator, and under the premise that flow rates of liquid flowing through all parts of the bearing cooler of the water turbine generator are equal, simulation calculation is carried out after heat exchange of the bearing cooler of the water turbine generator is measured by partial technicians in flowing liquid.
Description of the drawings:
FIG. 1 is a schematic block diagram of the present invention
FIG. 2 is a view of the installation and working connection of the present invention
The specific implementation mode is as follows:
as shown in figure 1, the cooling efficiency measuring system for the large-scale hydro-generator bearing cooler comprises a temperature sensor, a turbine type flow sensor, a liquid pressure sensor, a sinking type flow velocity measuring sensor, a heater, a frequency converter, a router, a serial server, a data acquisition device, a servo motor, a rectangular guide vane and an industrial computer.
As shown in fig. 2, after the heater is started, a TD-B130 type sunken flow velocity measurement sensor 2 installed in a test oil tank 1, a TD-B130 type sunken flow velocity measurement sensor 3, a TD-B130 type sunken flow velocity measurement sensor 4, a TD-B130 type sunken flow velocity measurement sensor 5 transmit the flow velocity around a hydro-turbo generator set bearing cooler 6 in the test oil tank 1 to an Mport3104 type serial server 7 through an RS232 serial port protocol, the Mport3104 type serial server 7 transmits data to an industrial computer 8 through an ethernet, the industrial computer 8 controls the opening degree of a guide vane 15 and a rectangular guide vane 16 by connecting the TP-LINK WVR G type router 9 to an SINAMICS G type inverter 10 regulating motor pump group 11 to regulate the oil flow velocity entering the test oil tank through a TP-vr G type inverter 10 to regulate the rotating speed of the hydro-turbine generator set 11, controls an ismt-380 type servo motor 13 and an ismt-380 type servo motor 14 to collect temperature data transmitted by an ismt 3104 type serial port server 12, transmits data transmitted from an ismt 19 to an lmt 19 type hydro-turbine generator set 19 through a resistor 19 mounted on an lmv-80 type thermistor 19, a platinum-B18 type thermistor 19 mounted on an lmv-80 type thermistor 19, a platinum-B18 type thermistor 19 mounted on an lmt 17 type thermistor 19, a platinum-20 mounted on a platinum-20-10, a platinum-20-h-20-h-r 19 h-20 h-r 19 h-20 h-r 19 h-r 19 h.
Claims (1)
- The system is characterized in that a TD-B130 type sinking flow velocity measuring sensor (2) installed in a test oil tank (1) transmits flow velocity around a hydroelectric generating set bearing cooler (6) in the test oil tank (1) to an Mport3104 type serial port server (7) through an RS232 serial port protocol, the Mport3104 type serial port server (7) transmits data to an industrial computer (8) through an Ethernet, the industrial computer (8) transmits data to an LW7 type oil pipe pressure collecting device (11) through a TP-LINK WVR450G type pipeline (9) connected to a SINAMICS G type frequency converter (10) regulating motor pump set (11) through an LW7 type oil pipe pressure collecting device (19) through an LWPT 19) to adjust the oil flow velocity of the test oil tank, and transmits data to an LW7 type pressure collecting device (19) through an LWPT 19) pressure collecting device (19) and an LWPT 19) pressure collecting device (19) through an LWPT 17-80 type platinum temperature collecting device (19) installed on an ISPT 17-SV 17 type platinum-SV 17 type condenser-SV 17-SV 17-SV-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069678.4A CN110735749B (en) | 2019-11-05 | 2019-11-05 | System for measuring cooling efficiency of bearing cooler of hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069678.4A CN110735749B (en) | 2019-11-05 | 2019-11-05 | System for measuring cooling efficiency of bearing cooler of hydraulic generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110735749A true CN110735749A (en) | 2020-01-31 |
| CN110735749B CN110735749B (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911069678.4A Active CN110735749B (en) | 2019-11-05 | 2019-11-05 | System for measuring cooling efficiency of bearing cooler of hydraulic generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN110735749B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009276257A (en) * | 2008-05-16 | 2009-11-26 | Jfe Steel Corp | Method of determining abnormality of wheel bearing section of wheel of truck |
| CN106092632A (en) * | 2016-08-01 | 2016-11-09 | 无锡隆盛科技股份有限公司 | Cooler for recycled exhaust gas cooling effectiveness test device |
| CN107101814A (en) * | 2017-05-03 | 2017-08-29 | 黑龙江沧龙发电设备股份有限公司 | A kind of experiment porch for oil cooler efficiency test |
| CN107605945A (en) * | 2017-11-03 | 2018-01-19 | 湖南崇德工业科技有限公司 | Oil-water cooler and vertical type sliding bearing |
| CN208223829U (en) * | 2018-06-22 | 2018-12-11 | 南方英特空调有限公司 | Ancillary equipment is used in a kind of test of car water oil cooler |
| CN110017948A (en) * | 2019-04-30 | 2019-07-16 | 无锡双翼汽车环保科技有限公司 | Testboard is used in cooler detection |
-
2019
- 2019-11-05 CN CN201911069678.4A patent/CN110735749B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009276257A (en) * | 2008-05-16 | 2009-11-26 | Jfe Steel Corp | Method of determining abnormality of wheel bearing section of wheel of truck |
| CN106092632A (en) * | 2016-08-01 | 2016-11-09 | 无锡隆盛科技股份有限公司 | Cooler for recycled exhaust gas cooling effectiveness test device |
| CN107101814A (en) * | 2017-05-03 | 2017-08-29 | 黑龙江沧龙发电设备股份有限公司 | A kind of experiment porch for oil cooler efficiency test |
| CN107605945A (en) * | 2017-11-03 | 2018-01-19 | 湖南崇德工业科技有限公司 | Oil-water cooler and vertical type sliding bearing |
| CN208223829U (en) * | 2018-06-22 | 2018-12-11 | 南方英特空调有限公司 | Ancillary equipment is used in a kind of test of car water oil cooler |
| CN110017948A (en) * | 2019-04-30 | 2019-07-16 | 无锡双翼汽车环保科技有限公司 | Testboard is used in cooler detection |
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| Publication number | Publication date |
|---|---|
| CN110735749B (en) | 2021-01-26 |
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