CN105258964A - Ventilation simulated test system of large-scale water turbine generator set - Google Patents
Ventilation simulated test system of large-scale water turbine generator set Download PDFInfo
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- CN105258964A CN105258964A CN201510731931.3A CN201510731931A CN105258964A CN 105258964 A CN105258964 A CN 105258964A CN 201510731931 A CN201510731931 A CN 201510731931A CN 105258964 A CN105258964 A CN 105258964A
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Abstract
The invention discloses a ventilation simulated test system of a large-scale water turbine generator set. The system takes an industrial control computer as the core, and key parameters including the wind speed, the wind pressure, the wind quantity, the rotating speed and ventilation loss of different portions of the system can be tested really and reliably on the basis of virtual instrument, remote control, wireless measurement and PXI bus technologies. A traditional ventilation simulated test system is greatly improved, only a few effective parts are reserved, new functions are increased, and the complete and general ventilation simulated test system provided with comprehensive functions and aimed at the large-scale water turbine generator set is established; the anti-interference capability of the test system is greatly improved; the system is characterized by high integrated level, accurate test, more test points and high versatility, and is suitable for simulated test for the large-scale water turbine generator set; and effective means is provided for structural design of the ventilation system of the large-scale water turbine generator set and development of new products.
Description
Technical field
The present invention relates to a kind of Large Hydroelectric Set Ventilation simulation pilot system.
Background technology
Along with Large Hydroelectric Set single-machine capacity increases considerably, the research level of hydrogenerator there has also been and increases substantially, and the research of wherein hydrogenerator ventilating and cooling and heating is one of content the most key in the research of high-rating generator various important performance.According to similarity principle, the effective ways of research ventilation system of hydrogenerator key parameter reliability and grasp wind path circulation law as the ventilation model reducing simulated object using prototype, therefore, Ventilation simulation test is one of the effective ways and means of the capacity-increasing transformation determining a certain Design of Hydrogenerator structure and turbine-generator units.Analyzed by model investigation, can verify that whether the design proposal of the draft type that this generator adopts is rationally reliable, and can be optimized ventilation cooling system and improve.In test, be that simulation test is successfully crucial to the true and reliable test of the wind speed at each position of stator and rotor, blast, the key parameter such as air quantity and draft loss.Based on virtual instrument technique, remote control technology, the Large Hydroelectric Set Ventilation simulation pilot system of wireless measurement technology and PXI bussing technique and method of testing are the powerful means obtaining these key parameter True Datas, Large Hydroelectric Set Ventilation simulation pilot system is refined to sum up and is formed in multinomial large-sized water turbine generator Ventilation simulation experimental basis, there is versatility, the pump-storage generator of suitable various high power capacity and version, the ventilating system simulation test of Large Hydroelectric Set, for the test guarantee that turbine-generator units ventilating system model and real machine test provide reliably automaticity high, the error that change original adoption manual testing brings and uncertainty, it also avoid board antijamming capability when simulation experiment system that the old-fashioned ISA board that adopts for over ten years builds is tested weak, cause test result accuracy low, and the problem such as the loaded down with trivial details and scalability of system building debugging is not strong, also significantly improvement has been carried out to the universal Large Hydroelectric Set ventilating system wind pressure and wind speed proving installation of the test ventilating system wind pressure and wind speed set up in the early time simultaneously, add several functions, build up complete, the universal pilot system for the test of Large Hydroelectric Set Ventilation simulation that function is relatively complete, the various Ventilation simulation pilot systems in relative early stage, present Large Hydroelectric Set Ventilation simulation pilot system remains live part in original system, and carried out key improvement, be built into the new test system adapting to modern test needs, significantly improve the antijamming capability of pilot system, there is integrated level high, test accurately, test measuring point is many, the features such as highly versatile, be applicable to the simulation test of large-sized water turbine generator ventilating system, for determining that the design of Large Hydroelectric Set ventilation system setups provides effective means.
Summary of the invention
The invention provides a kind of integrated level high, complete function, test specification is Large Hydroelectric Set Ventilation simulation pilot system widely.The present invention is achieved by the following technical solutions: the core component industrial control computer of pilot system, for the PXI system of data acquisition and unit control, embedded large screen display system, for the frequency converter that simulation unit dragging system is powered, rotor air quantity wireless measuring system, tens groups of test upper and lower air channels of unit and each cooler outlet wind speed are for obtaining the electronic vane wheel type air velocity transducer of unit total blast volume, the pressure difference transmitter of test unit static pressure and wind ditch wind speed, test unit thrust bearing oil feed line imports and exports the temperature sensor of oil temperature, the speed probe of test generating unit speed and rotating speed fluted disc, the senser elements such as wireless torque sensor system, the multiple part composition of the control devices such as solenoid valve, industrial control computer and placement senser element pressure difference transmitter, air collector, solenoid valve, the rack distance of pneumatic interface etc. is relatively far away, therefore the method for PCI Long-distance Control is adopted, the remote control tool bag comprising PCI control card and address card composition is used to carry out telecommunication, in the PCI slot of industrial control computer, PCI control card is installed, the other end installs address card in the PXI cabinet of PXI system, connected by optical cable between two cards, the static pressure that the various function cards installed in the PXI cabinet of steering order by remote control tool bag control PXI system carry out each measuring point is issued by industrial control computer, wind speed, rotating speed, moment of torsion, the data acquisition of temperature, thus realize industrial control computer remote PXI system is directly controlled, realize data acquisition and process control.Achievement of the present invention contributes to each test parameter of Obtaining Accurate hydrogenerator ventilation experiment, carries out the optimal design of aeration structure and the exploitation of new product.
Accompanying drawing explanation
Fig. 1 is that in the present invention, industrial control computer indicates schematic diagram with outside connection
Fig. 2 is Embedded System Structure schematic diagram in the present invention
Fig. 3 is interior of equipment cabinet structural representation in the present invention
Fig. 4 is each parts connection diagram of rack Pneumatic component part in the present invention
Fig. 5 is rack control section PXI system and each parts connection diagram in the present invention
Fig. 6 is the schematic diagram of the present invention in Large Hydroelectric Set Ventilation simulation pilot system
Embodiment
A kind of Large Hydroelectric Set Ventilation simulation pilot system as shown in Figure 6, the core component industrial control computer 101 of pilot system, for the PXI system 102 of data acquisition and unit control, embedded large screen display system 103, for the frequency converter 104 that simulation unit dragging system is powered, rotor air quantity wireless measuring system, tens groups of test upper and lower air channels of unit and each cooler outlet wind speed are for obtaining the electronic vane wheel type air velocity transducer 111 of unit total blast volume, the pressure difference transmitter 105 of test unit static pressure and wind ditch wind speed, test unit thrust bearing oil feed line imports and exports the temperature sensor 113 of oil temperature, the speed probe 114 of test generating unit speed, senser element such as wireless torque sensor system 116 grade, multiple part composition such as control device such as solenoid valve 107 grade, as shown in Figure 3, industrial control computer 101 and placement senser element pressure difference transmitter 105, air collector 106, solenoid valve 107, as shown in Figure 1, the rack 109 of pneumatic interface 108 grade is apart from relatively far away, as shown in Figure 5, therefore the method for PCI Long-distance Control is adopted, the remote control tool bag comprising PCI control card 202 and address card 203 composition is used to carry out telecommunication, in the PCI slot of industrial control computer 101, PCI control card 202 is installed, the other end installs address card 203 in the PXI cabinet 110 of PXI system 102, connected by optical cable 201 between two cards, steering order to carry out each measuring point static pressure by the various function cards installed in the PXI cabinet of remote control tool bag control PXI system 102 110 is issued by industrial control computer 101, wind speed, rotating speed, moment of torsion, the data acquisition of temperature, thus realize industrial control computer 101 remote PXI system 102 is directly controlled, realize data acquisition and process control.
In industrial control computer 101, PCI slot installs PCI relay card 112, adopt relay card Shang mono-road normally opened contact and a road normally closed contact, receive on the contactor auxiliary contact in rack 109 with lead-in wire, be be placed on on-the-spot solenoid valve 106 groups to power by industrial control computer 101 Long-distance Control, the USB interface of industrial control computer 101 is connected to USB RS 232/RS485 isolation module 130 and is worked by 485 bus Long-distance Control frequency converters 104, frequency converter for other types also can carry out similar process and control its operation, frequency converter 104 provides line asynchronous motor operating band movable model unit to run under different rotating speeds for asynchronous machine, simulation prototype carries out ventilating system test.
In process of the test, industrial control computer 101 transfers data to embedded large screen display system 103 by its Shang mono-road Ethernet interface, by important rotating speed, total blast volume, the key parameters such as draft loss and the relevant television data that closes show on giant-screen, and show Debugging message for display when system debug and test, embedded large screen display system 103 is by embedded system 301, linear power supply 302, LCD TV 303 3 part forms, embedded system 301 is by embedded microprocessor, storer, Ethernet interface, I/O circuit, clock circuit, power circuit, the composition such as a metal shell small and exquisite small embedded systems 301 with complete computers function, as shown in Figure 2,
Ethernet interface 305 and power interface 306 have connection terminal to draw at embedded system 301 shell, embedded system 301 shell is equipped with heat radiator 304 and has heat sinking function, display routine is cured in the storer of embedded system 301, realize data, the reception of steering order and transmission, embedded system 301 also has USB interface 307 can connect large-scale LCD TV 303, shows key parameter and relevant television data in process of the test.
Rack 109 is for being placed on gas circuit and the TT&C system parts of testing ground, make the compact conformation rule attractive in appearance of Large Hydroelectric Set Ventilation simulation pilot system, three parts are divided into: as shown in Figure 4 in rack 109, external interface part 160, Pneumatic component part 140, control section 150, external interface part 160 is provided with hundreds of straight-through air-path interfaces, the gas piping picked out by model measuring point receives each straight-through air-path interface lateral ends accordingly, straight-through air-path interface is towards the straight-through air-path interface of the rack 109 private side one end solenoid valve 107 intake interface silicone tube UNICOM corresponding to each, the installing plate of Pneumatic component part 140 is provided with pressure difference transmitter 105 from top to bottom, air collector 106, solenoid valve 107, the test of simulation experiment system static pressure and the test of wind ditch wind speed adopt pressure difference transmitter 105 as senser element, because the static pressure measuring point and wind ditch wind speed measuring point that need collection reach tens, even hundreds of is individual, for required measuring point can be tested and enable pilot system need to expand according to measuring point, therefore the air collector 106 that tens pressure difference transmitters 105 are identical with it with quantity is adopted, the gas circuit test macro can testing a hundreds of static pressure and wind ditch wind speed measuring point is together formed with the same number of solenoid valve 107 of air collector 106 air intake opening, pressure difference transmitter 105 air admission hole is connected with the outlet of air collector 106, each air intake opening of air collector 106 is connected with a through-type solenoid valve 107, , the air admission hole of through-type solenoid valve 107 leads directly to air-path interface with external interface part 160 and is connected, the connection of solenoid valve 107 and closedown can control whether enter by valve body the test that air collector 106 carries out this measuring point by tapping into the gas come from straight-through air-path interface, pressure difference transmitter 105, air collector 106, solenoid valve 107 gas channels silicone tube UNICOM, formation can arbitrarily according to the collection pressure test passage of testing requirements combination, this method of testing only needs employing tens pressure difference transmitters 105 just can be divided into groups by the air collector 106 of many gas channels and the solenoid valve 107 identical with air collector 106 air intake opening number to switch the test being controlled to carry out nearly hundreds of measuring points by industrial control computer 101.
Control section 150 in rack 109 is primarily of PXI system 102, terminal block 180 and linear power supply 120 form, PXI system 102 is by PXI cabinet 110 and the Long-distance Control card be inserted on each slot of PXI cabinet 110, the compositions such as data collecting plate card and relay card, pressure difference transmitter 105 outputs signal, solenoid valve 107 electric control system, torque sensor and other senser elements are all received on these corresponding data collecting plate cards and relay card, realize controlling the switching of solenoid valve 107, the static pressure of each measuring point, wind speed, rotating speed, moment of torsion, the data acquisition of temperature.
Present invention achieves the true and reliable test of the key parameters such as the wind speed to each position of stator and rotor in ventilation system of hydrogenerator, blast, air quantity and draft loss.Based on virtual instrument technique, remote control technology, the Large Hydroelectric Set Ventilation simulation pilot system of wireless measurement technology and PXI bussing technique is the powerful mean obtaining these key parameter True Datas, Large Hydroelectric Set Ventilation simulation pilot system is refined to sum up and is formed in multinomial large-sized water turbine generator Ventilation simulation experimental basis, there is versatility, the pump-storage generator of suitable various high power capacity and version, the ventilating system simulation test of Large Hydroelectric Set, for the test guarantee that turbine-generator units ventilating system model and real machine test provide reliably automaticity high, the error that change original adoption manual testing brings and uncertainty, it also avoid board antijamming capability when simulation experiment system that the old-fashioned ISA board that adopts for over ten years builds is tested weak, cause test result accuracy low, and the problem such as the loaded down with trivial details and scalability of system building debugging is not strong, also significantly improvement has been carried out to the universal Large Hydroelectric Set ventilating system wind pressure and wind speed proving installation of the test ventilating system wind pressure and wind speed set up in the early time simultaneously, add several functions, build up complete, the universal pilot system for the test of Large Hydroelectric Set Ventilation simulation that function is relatively complete, the various Ventilation simulation pilot systems in relative early stage, present Large Hydroelectric Set Ventilation simulation pilot system remains live part in original system, and carried out key improvement, be built into the new test system adapting to modern test needs, significantly improve the antijamming capability of pilot system, there is integrated level high, test accurately, test measuring point is many, the features such as highly versatile, be applicable to the simulation test of large-sized water turbine generator ventilating system, for determining that the exploitation of the design of Large Hydroelectric Set ventilation system setups and new product provides effective means.
Claims (5)
1. a Large Hydroelectric Set Ventilation simulation pilot system, it is characterized in that: simulation experiment system mainly contains and forms with lower part: the core component industrial control computer (101) of pilot system, for the PXI system (102) of data acquisition and unit control, embedded large screen display system (103), for the frequency converter (104) that simulation unit dragging system is powered, rotor air quantity wireless measuring system, tens groups of test upper and lower air channels of unit and each cooler outlet wind speed are for obtaining the electronic vane wheel type air velocity transducer (111) of unit total blast volume, the pressure difference transmitter (105) of test unit static pressure and wind ditch wind speed, test unit thrust bearing oil feed line imports and exports the temperature sensor (113) of oil temperature, the speed probe (114) of test generating unit speed, the senser elements such as wireless torque sensor system (116), the multiple part composition of the control devices such as solenoid valve (107), industrial control computer (101) and placement senser element pressure difference transmitter (105), air collector (106), solenoid valve (107), rack (109) distance of pneumatic interface (108) is relatively far away, therefore the method for PCI Long-distance Control is adopted, use comprises the remote control tool bag that PCI control card (202) and address card (203) form and carries out telecommunication, in the PCI slot of industrial control computer (101), PCI control card (202) is installed, the other end installs address card (203) in the PXI cabinet (110) of PXI system (102), connected by optical cable (201) between two cards, steering order to carry out each measuring point static pressure by the various function cards installed in the PXI cabinet (110) of remote control tool bag control PXI system (102) is issued by industrial control computer (101), wind speed, rotating speed, moment of torsion, the data acquisition of temperature, thus realize industrial control computer (101) remote PXI system (102) is directly controlled, realize data acquisition and process control.
2. a kind of Large Hydroelectric Set Ventilation simulation pilot system according to claim 1, it is characterized in that: the interior PCI slot of industrial control computer (101) installs PCI relay card (112), adopt relay card Shang mono-road normally opened contact and a road normally closed contact, receive on the contactor auxiliary contact in rack (109) with lead-in wire, it is solenoid valve (106) the group power supply being placed on scene by industrial control computer (101) Long-distance Control, the USB interface of industrial control computer (101) is connected to USB RS 232/RS485 isolation module (130) and is worked by 485 bus Long-distance Control frequency converters (104), frequency converter for other types also can carry out similar process and control its operation, frequency converter (104) provides line asynchronous motor operating band movable model unit to run under different rotating speeds for asynchronous machine, simulation prototype carries out ventilating system test.
3. a kind of Large Hydroelectric Set Ventilation simulation pilot system according to claim 1, it is characterized in that: in process of the test, industrial control computer (101) transfers data to embedded large screen display system (103) by its Shang mono-road Ethernet interface, by important rotating speed, total blast volume, the key parameters such as draft loss and the relevant television data that closes show on giant-screen, and show Debugging message for display when system debug and test, embedded large screen display system (103) is by embedded system (301), linear power supply (302), LCD TV (303) three part forms, embedded system (301) is by embedded microprocessor, storer, Ethernet interface, I/O circuit, clock circuit, power circuit, the composition such as a metal shell small and exquisite small embedded systems (301) with complete computers function, Ethernet interface (305) and power interface (306) have connection terminal to draw at embedded system (301) shell, embedded system (301) shell is equipped with heat radiator (304) and has heat sinking function, display routine is cured in the storer of embedded system (301), realize data, the reception of steering order and transmission, embedded system (301) also has USB interface (307) can connect large-scale LCD TV (303), key parameter and relevant television data is shown in process of the test.
4. a kind of Large Hydroelectric Set Ventilation simulation pilot system according to claim 1, it is characterized in that: rack (109) is for being placed on gas circuit and the TT&C system parts of testing ground, make the compact conformation rule attractive in appearance of Large Hydroelectric Set Ventilation simulation pilot system, three parts are divided into: external interface part (160) in rack (109), Pneumatic component part (140), control section (150), external interface part (160) is provided with hundreds of straight-through air-path interfaces, the gas piping picked out by model measuring point receives each straight-through air-path interface lateral ends accordingly, straight-through air-path interface is towards the straight-through air-path interface of rack (109) private side one end solenoid valve (107) the intake interface silicone tube UNICOM corresponding to each, the installing plate of Pneumatic component part (140) is provided with pressure difference transmitter (105) from top to bottom, air collector (106), solenoid valve (107), the test of simulation experiment system static pressure and the test of wind ditch wind speed adopt pressure difference transmitter (105) as senser element, because the static pressure measuring point and wind ditch wind speed measuring point that need collection reach tens, even hundreds of is individual, for required measuring point can be tested and enable pilot system need to expand according to measuring point, therefore the air collector (106) that tens pressure difference transmitters (105) are identical with it with quantity is adopted, the gas circuit test macro can testing a hundreds of static pressure and wind ditch wind speed measuring point is together formed with the same number of solenoid valve of air collector (106) air intake opening (107), pressure difference transmitter (105) air admission hole is connected with the outlet of air collector (106), each air intake opening of air collector (106) is connected with a through-type solenoid valve (107), the air admission hole of through-type solenoid valve (107) is connected with the straight-through air-path interface of external interface part (160), the connection of solenoid valve (107) and closedown can control whether enter by valve body the test that air collector (106) carries out this measuring point by tapping into the gas come from straight-through air-path interface, pressure difference transmitter (105), air collector (106), solenoid valve (107) gas channels silicone tube UNICOM, formation can arbitrarily according to the collection pressure test passage of testing requirements combination, this method of testing only needs employing tens pressure difference transmitters (105) by the air collector (106) of many gas channels and the solenoid valve 107 identical with air collector (106) air intake opening number) just can divide into groups to switch the test being controlled to carry out nearly hundreds of measuring points by industrial control computer (101).
5. a kind of Large Hydroelectric Set Ventilation simulation pilot system according to claim 1, it is characterized in that: the control section (150) in rack (109) is primarily of PXI system (102), terminal block (180) and linear power supply (120) composition, PXI system (102) is by PXI cabinet (110) and the Long-distance Control card that is inserted on PXI cabinet (110) each slot, the compositions such as data collecting plate card and relay card, pressure difference transmitter (105) outputs signal, solenoid valve (107) electric control system, torque sensor and other senser elements are all received on these corresponding data collecting plate cards and relay card, realize controlling the switching of solenoid valve (107), the static pressure of each measuring point, wind speed, rotating speed, moment of torsion, the data acquisition of temperature.
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| CN201510731931.3A CN105258964A (en) | 2015-11-02 | 2015-11-02 | Ventilation simulated test system of large-scale water turbine generator set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608521A (en) * | 2021-08-09 | 2021-11-05 | 北京康吉森自动化技术股份有限公司 | TRICON automatic simulation test system |
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