CN207866462U - A kind of multi-function windtunnel experimental provision - Google Patents
A kind of multi-function windtunnel experimental provision Download PDFInfo
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- CN207866462U CN207866462U CN201721662369.4U CN201721662369U CN207866462U CN 207866462 U CN207866462 U CN 207866462U CN 201721662369 U CN201721662369 U CN 201721662369U CN 207866462 U CN207866462 U CN 207866462U
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Abstract
The utility model provides a kind of multi-function windtunnel experimental provision, including modeling wind field system, small-sized wind power generator system, rectification control system, inversion system, tunable load system, accumulator；Wherein modeling wind field system provides wind energy for realizing wind field outside simulating chamber for small-sized wind power generator system, small-sized wind power generator system is used to capture the wind energy of modeling wind field system and converts wind energy into electric energy, rectification control system is for being converted to direct current by the alternating current that the small-sized wind power generator system generates and can control accumulator cell charging and discharging, inversion system is used to the DC conversion in accumulator be alternating current, and tunable load system is for changing load resistance value.
Description
Technical field
The utility model is related to a kind of Wind Tunnel Technique, especially a kind of multi-function windtunnel experimental provision.
Background technology
The problems such as with climate warming, environmental pollution, energy shortage, is more severe, and wind energy is a kind of important renewable
The energy is a kind of clean energy resource, is played the role of to the development of the mankind very important.
Most of country is all in the cleaning sustainable energy for developing oneself such as solar energy, wind energy, the ocean of effort now
It can be waited with salt error, especially solar energy, wind energy is also a kind of energy existence form of solar energy, and wind-resources are abundant, institute
To be exactly the most important thing to the development and utilization of wind-resources, but wind-resources are a kind of unstable resource again, so grinding on the spot
Many times can be wasted by studying carefully, so there have been wind tunnel test, can study wind turbine indoors, can preferably make good use of wind
Resource.
Utility model content
The purpose of this utility model is to provide a kind of multi-function windtunnel experimental provision, which can not only study wind turbine
The various performances in the case where determining resistance and becoming wind speed can also study various performances of the wind turbine in the case where determining wind speed change resistance.
Realize that the technical solution of the utility model aim is：A kind of multi-function windtunnel experimental provision, including modeling wind field system
System, small-sized wind power generator system, rectification control system, inversion system, tunable load system, accumulator；Wherein modeling wind field
System provides wind energy for realizing wind field outside simulating chamber for small-sized wind power generator system, and small-sized wind power generator system is for catching
It obtains the wind energy of modeling wind field system and converts wind energy into electric energy, rectification control system is used for the small-sized wind power generator system
The alternating current that system generates is converted to direct current and can control accumulator cell charging and discharging, and inversion system is used for will be straight in accumulator
Galvanic electricity is converted into alternating current, and tunable load system is for changing load resistance value.
Compared with prior art, the utility model has the following advantages:(1) device can both study the power generation of wind turbine
Amount, while the resistance value in tunable load system is adjusted, and the performance of wind turbine under a variety of prescribed situations can be studied；
(2) survival wind speed that can determine fan operation, to ensure the safe operation of Wind turbines.
The utility model is described further with reference to the accompanying drawings of the specification.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is modeling wind field system structure diagram.
Fig. 3 is small-sized wind power generator system structure diagram.
Fig. 4 is rectification control system system structural schematic diagram.
Fig. 5 is inversion system structural schematic diagram.
Fig. 6 is tunable load system structure diagram.
Specific implementation mode
In conjunction with Fig. 1, a kind of multi-function windtunnel experimental provision, including modeling wind field system 1, small-sized wind power generator system 2,
Rectification control system 3, inversion system 4, tunable load system 5, accumulator；Wherein modeling wind field system 1 is for realizing simulating chamber
Outer wind field is that small-sized wind power generator system 2 provides wind energy, and small-sized wind power generator system 2 is for capturing modeling wind field system 1
Wind energy and convert wind energy into electric energy, rectification control system 3 is used for the exchange that generates the small-sized wind power generator system 2
Electricity is converted to direct current and can control accumulator cell charging and discharging, and inversion system 4 for being by the DC conversion in accumulator
Alternating current, tunable load system 5 is for changing load resistance value.
In conjunction with Fig. 2, modeling wind field system 1 includes frequency converter and motor, the wherein input terminal and three phase mains of frequency converter
Connection, the three-phase input end of motor and the three-phase output end of frequency converter connect.
In conjunction with Fig. 3, small-sized wind power generator system 2 includes sensitive galvanometer, the input terminal and motor of sensitive galvanometer
Output end connection.
In conjunction with Fig. 4, rectification control system system 3 include controller and the unloading point in parallel with controller then, controller it is defeated
Enter end to connect with sensitive galvanometer output end by the first air switch 5-1 and output end is connected with the two-stage of accumulator.
In conjunction with Fig. 5, inversion system 4 include inverter and respectively with three headlamps of inverter parallel, inverter it is defeated
Enter end and connect connection with accumulator.
Traditional experiment equipment can only do some simple experiments only there are one air switch QF15-1, and the present apparatus increases
One air switch 5-2 and then introduce a tunable load system 5.In conjunction with Fig. 6, tunable load system 5 includes second empty
Air cock 5-2, ammeter, voltmeter, two variable resistances, wherein the second air switch 5-2 is three interface air switches, first
Variable resistance connect with ammeter after by the first switch of the second air switch 5-2 and the first phase output terminal of sensitive galvanometer
Connection, the second adjustable resistance are switched by the third of the second air switch 5-2 and are connect with the second phase output terminal of sensitive galvanometer,
First variable resistance is connected with the second adjustable resistance, and the second switch output end of the second air switch 5-2 passes through conducting wire and first
Conducting wire midpoint connects between variable resistance and the second adjustable resistance, second switch input terminal and the sensitive electricity of the second air switch 5-2
The second phase output terminal of flowmeter connects, and voltmeter connects the output end of the second switch and third switch of the second air switch 5-2.
Another connection type of tunable load system 5 include the second air switch 5-2, ammeter, voltmeter, three can
Become resistance, wherein the second air switch 5-2 be three interface air switches, the first variable resistance connect with ammeter after by second
The first switch of air switch 5-2 and the first phase output terminal of sensitive galvanometer connect, and the second adjustable resistance passes through the second air
The second switch of switch 5-2 and the second phase output terminal of sensitive galvanometer connect, and third variable resistance passes through the second air switch
The third switch of 5-2 is connect with the third phase output terminal of sensitive galvanometer, and the first variable resistance, the second adjustable resistance, third can
Become resistor coupled in parallel, voltmeter connects the output end of the second switch and third switch of the second air switch 5-2.
Power-the load that can be obtained by tunable load system 5 under more experimental datas, such as same wind speed is bent
Line, and or same load under power-wind speed curve.Different electricity consumption situations can be simulated by constantly regulate tunable load, then
Pass through the data statistics to electric current, voltmeter, you can study the property such as maximum rated wind speed, the maximum rated power of wind-driven generator
Energy.By the performance study to wind-driven generator, it can efficiently be utilized, and then improve generated energy.The utility model, which is worked as, to be beaten
When opening QF1, the generated energy of wind turbine can be measured, but also can obtain many curves, such as the wind speed-determined resistance, become wind speed
Power curve, voltage-power curve, VA characteristic curve etc..When we open QF2, we can measure the property of wind turbine
Can, it can also obtain many curves, such as：The VA characteristic curve determined wind speed, become resistance, voltage-power curve, electric current-work(
Rate curve etc..By these curves, we can analyze the performance of blowing machine, such as rated power, short circuit current, open-circuit voltage,
Threshold wind velocity, rated wind speed, optimum operating voltage etc..
Claims (7)
1. a kind of multi-function windtunnel experimental provision, which is characterized in that including modeling wind field system (1), small-sized wind power generator system
It unites (2), rectification control system (3), inversion system (4), tunable load system (5), accumulator；Wherein
Modeling wind field system (1) is that small-sized wind power generator system (2) provides wind energy for realizing wind field outside simulating chamber,
Small-sized wind power generator system (2) is used to capture the wind energy of modeling wind field system (1) and converts wind energy into electric energy,
Rectification control system (3) is used to the alternating current that the small-sized wind power generator system (2) generates being converted to direct current simultaneously
And accumulator cell charging and discharging can be controlled,
Inversion system (4) is used to the DC conversion in accumulator be alternating current,
Tunable load system (5) is for changing load resistance value.
2. the apparatus according to claim 1, which is characterized in that modeling wind field system (1) includes frequency converter and motor,
In
The input terminal of frequency converter is connect with three phase mains,
The three-phase input end of motor and the three-phase output end of frequency converter connect.
3. the apparatus of claim 2, which is characterized in that small-sized wind power generator system (2) includes sensitive galvanometer,
The input terminal of sensitive galvanometer and the output end of motor connect.
4. device according to claim 3, which is characterized in that rectification control system (3) includes controller and and controller
Then, the input terminal of controller is connect by the first air switch (5-1) with sensitive galvanometer output end and defeated unloading point in parallel
Outlet is connected with the two-stage of accumulator.
5. device according to claim 4, which is characterized in that inversion system (4) include inverter and respectively with inverter
Three headlamps in parallel, the input terminal of inverter connect connection with accumulator.
6. device according to claim 3, which is characterized in that tunable load system (5) includes the second air switch (5-
2), ammeter, voltmeter, two variable resistances, wherein
Second air switch (5-2) is three interface air switches,
First variable resistance connect with ammeter after by the of the first switch of the second air switch (5-2) and sensitive galvanometer
One phase output terminal connects,
The second adjustable resistance is connected by the third switch and the second phase output terminal of sensitive galvanometer of the second air switch (5-2)
It connects,
First variable resistance is connected with the second adjustable resistance,
The second switch output end of second air switch (5-2) between conducting wire and the first variable resistance and the second adjustable resistance by leading
Line midpoint connects,
The second switch input terminal of second air switch (5-2) is connect with the second phase output terminal of sensitive galvanometer,
Voltmeter connects the output end of the second switch and third switch of the second air switch (5-2).
7. device according to claim 3, which is characterized in that tunable load system (5) includes the second air switch (5-
2), ammeter, voltmeter, three variable resistances, wherein
Second air switch (5-2) is three interface air switches,
First variable resistance connect with ammeter after by the of the first switch of the second air switch (5-2) and sensitive galvanometer
One phase output terminal connects,
The second adjustable resistance is connected by the second switch of the second air switch (5-2) and the second phase output terminal of sensitive galvanometer
It connects,
Third variable resistance is connected by the third switch and the third phase output terminal of sensitive galvanometer of the second air switch (5-2)
It connects,
First variable resistance, the second adjustable resistance, third variable resistance are in parallel,
Voltmeter connects the output end of the second switch and third switch of the second air switch (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662369.4U CN207866462U (en) | 2017-12-04 | 2017-12-04 | A kind of multi-function windtunnel experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662369.4U CN207866462U (en) | 2017-12-04 | 2017-12-04 | A kind of multi-function windtunnel experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207866462U true CN207866462U (en) | 2018-09-14 |
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ID=63468263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721662369.4U Expired - Fee Related CN207866462U (en) | 2017-12-04 | 2017-12-04 | A kind of multi-function windtunnel experimental provision |
Country Status (1)
| Country | Link |
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| CN (1) | CN207866462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554286A (en) * | 2019-09-16 | 2019-12-10 | 桂林理工大学 | Voltage-adjustable insulation detection device |
| CN113884270A (en) * | 2021-09-09 | 2022-01-04 | 中国华能集团清洁能源技术研究院有限公司 | Wind tunnel test device for double-wind-wheel generator set |
-
2017
- 2017-12-04 CN CN201721662369.4U patent/CN207866462U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554286A (en) * | 2019-09-16 | 2019-12-10 | 桂林理工大学 | Voltage-adjustable insulation detection device |
| CN113884270A (en) * | 2021-09-09 | 2022-01-04 | 中国华能集团清洁能源技术研究院有限公司 | Wind tunnel test device for double-wind-wheel generator set |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20211204 |