CN109387359A - A kind of vertical axis waterpower runner performance test device - Google Patents
A kind of vertical axis waterpower runner performance test device Download PDFInfo
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- CN109387359A CN109387359A CN201811438529.6A CN201811438529A CN109387359A CN 109387359 A CN109387359 A CN 109387359A CN 201811438529 A CN201811438529 A CN 201811438529A CN 109387359 A CN109387359 A CN 109387359A
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- rotational speed
- torque instrument
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- 238000011056 performance test Methods 0.000 title claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Hydraulic Turbines (AREA)
Abstract
The invention discloses a kind of vertical axis waterpower runner performance test devices, and electromagnetic brake, rotational speed and torque instrument and the runner shaft being sequentially arranged including support stand and from top to bottom, electromagnetic brake, rotational speed and torque instrument are fixedly mounted on support stand；The output shaft and rotational speed and torque instrument upper end torsion axis connection of electromagnetic brake, the connection of the upper end of rotational speed and torque instrument lower end torsion shaft and runner shaft, the lower end of runner shaft is fixed on support stand, vertical axis waterpower runner is set on runner shaft, and vertical axis waterpower runner driving runner shaft rotates synchronously.Performance testing device proposed by the invention can measure different type vertical axis waterpower runner static state and dynamic property, improve performance measurement precision, easy to operate and strong applicability.
Description
Technical field
The invention belongs to waterpower runner performance the field of test technology more particularly to a kind of vertical axis waterpower runner performance to test
Device.
Background technique
Water power can alleviate the energy danger that our times various countries face as a kind of renewable energy to a certain extent
Machine.Water kinetic energy power generation is a kind of emerging small-sized hydropower technology, it extracts dynamic from the different water flow such as tide, ocean and river
It can be used to generate electricity.Compared with traditional large hydropower station, water kinetic energy power generation does not need large-scale dam or storage reservoir, occupied area
Small, effect on environment is minimum.
Waterpower runner is the key equipment in water kinetic energy electricity generation system, and the kinetic energy in water flow can be converted to mechanical energy by it
Driven generator produces electricl energy, and the efficiency of waterpower runner directly affects the efficiency of entire electricity generation system.According to waterpower runner shaft
Relative to the direction of water flow, waterpower runner can be divided into trunnion axis waterpower runner and vertical axis waterpower runner.Trunnion axis waterpower turns
It is high to take turns cost, but efficiency is also higher, therefore is mainly used for tidal power.Compared with trunnion axis waterpower runner, vertical axis waterpower
The usual efficiency of runner is lower, but has many advantages, such as to be easily installed and safeguard, independently of flow direction and low cost, commonly used in inclined
Remote River power generation.
Since vertical axis waterpower runner efficiency is lower, hinders it and be widely used.It is mentioned for this purpose, countries in the world scholar is directed to
High vertical axis waterpower runner efficiency has carried out a large amount of research work.Wherein, most of research work uses method for numerical simulation
Carry out, the performance of waterpower runner is simulated by computational fluid dynamics method, but calculated result lacks effective verifying mostly.It is a small number of
Several scholars obtain runner performance by experimental method, but experimental provision is too simple, cannot obtain waterpower runner dynamic property,
And experimental result precision is also poor.Therefore, high-precision waterpower runner performance test device not only can accurately obtain waterpower and turn
Performance to be taken turns, also can measure the dynamic property of runner, the correlative study for vertical axis waterpower runner provides strong data supporting, from
And accelerate vertical axis waterpower runner in the extensive use of water kinetic energy power field.
Summary of the invention
In order to solve deficiency in the prior art, the invention proposes a kind of vertical axis waterpower runner performance test device,
Purpose is that structure of the invention can obtain vertical axis waterpower runner static state and dynamic property, improves performance measurement precision.
The technical solution adopted in the present invention is as follows:
A kind of vertical axis waterpower runner performance test device, the electromagnetism being sequentially arranged including support stand and from top to bottom
Brake, rotational speed and torque instrument and runner shaft, the electromagnetic brake, rotational speed and torque instrument are fixedly mounted on support stand；
The output shaft and rotational speed and torque instrument upper end torsion axis connection of the electromagnetic brake, rotational speed and torque instrument lower end torsion shaft
It is connect with the upper end of runner shaft, the lower end of the runner shaft is fixed on support stand, is set with vertical axis on the runner shaft
Waterpower runner, and vertical axis waterpower runner driving runner shaft rotates synchronously.
Further, the support stand includes horizontally disposed upper backup pad and lower supporting plate, and the upper backup pad is under
Pass through 4 corner post supports between support plate；The upper backup pad is equipped with side support plate, and the side support plate is used for Motionless electromagnetic
Brake, rotational speed and torque instrument；
Further, 1 vertical short axle can be housed on the lower supporting plate, led between the short axle and the lower end of runner shaft
Shaft coupling connection is crossed, the fast assembling-disassembling of runner shaft and runner can be realized by dismounting couplers, is conveniently replaceable different
Test runner；
Further, the upper backup pad and lower supporting plate are the identical rectangular plate of shape, form a square by corner post
Shape cavity；
Further, a length of L=(2~5) D of the rectangular cavities, the width of the rectangular cavities is S=(2~5) D, described
High H=(2~5) H of rectangular cavitiesr, wherein D is the diameter of vertical axis waterpower runner, HrFor the height of vertical axis waterpower runner.
Beneficial effects of the present invention:
Waterpower runner to be measured and the side that coaxial direct connection is used between rotational speed and torque instrument and electromagnetic brake in this test device
Formula connection, there is no torque transmitting loss, measurement accuracy is high.
Rotational speed and torque instrument can get the instantaneous torque under waterpower runner different rotary angle, convenient for analysis runner dynamic
Energy.Electromagnetic brake can start from scratch to runner application continuous load, it can be achieved that the continuous control of revolving speed.
The upper and lower ends of runner shaft connect rotational speed and torque instrument and short axle by dismountable shaft coupling respectively, may be implemented
The fast assembling-disassembling of runner shaft and runner is conveniently replaceable different test runners.
Apparatus of the present invention are suitable for different types of vertical axis waterpower runner, and can be used for opening sink, irrigation canal, river
Etc. under different experiments environment.
Detailed description of the invention
Fig. 1 is vertical axis waterpower runner performance test device schematic diagram of the present invention；
Fig. 2 is vertical axis waterpower runner performance test device key dimension schematic diagram of the present invention；
In figure, 1, electromagnetic brake；2, first shaft coupling；3, rotational speed and torque instrument；4, bearing；5, support stand；6, second
Shaft coupling；7, runner shaft；8, vertical axis waterpower runner；9, third shaft coupling；10, bearing；11, upper backup pad；12, lower support
Plate, 13, corner post；14 side support plates；15, short axle.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, not
For limiting the present invention.
As shown in Figure 1, the present invention is a kind of vertical axis waterpower runner performance test device, including support stand 5, supporting table
Frame 5 is horizontally disposed with by 2 identical rectangular plates, is upper backup pad 11 and lower supporting plate 12 respectively, in 11 He of upper backup pad
It is supported on the opposite angle of lower supporting plate 12 by 4 corner posts 13, forms a rectangular cavities, guarantee 5 bottom of support stand four sides
It is penetrating, realize that water flow can flow through runner from different directions.
1 piece of vertical side support plate 14 is fixedly mounted on the upper surface of upper backup pad 11, from upper in side support plate 14
Successively fixed and arranged electromagnetic brake 1, rotational speed and torque instrument 3 down, the output shaft of electromagnetic brake 1 by first shaft coupling 2 with
3 upper end torsion axis connection of rotational speed and torque instrument, is connected by the way of coaxial direct connection between electromagnetic brake 1 and rotational speed and torque instrument 3,
There is no torque transmitting to lose, and measurement accuracy is high.3 lower end torsion shaft of rotational speed and torque instrument passes through upper backup pad 11, and passes through second
Shaft coupling 6 is connect with the upper end of runner shaft 7, and the lower end of runner shaft 7 is connect by third shaft coupling 9 with short axle 15, and short axle 15
It is fixed on lower supporting plate 12, vertical axis waterpower runner 8 is set on runner shaft 7, vertical axis waterpower runner 8 drives runner shaft 7 same
Step rotation.
In the present embodiment, short axle 15 is arranged on lower supporting plate 12 to connect with runner shaft 7, it can be by dismantling second
Axis device 6 and third shaft coupling 9 realize the fast assembling-disassembling of runner shaft and runner, turn convenient for the different test of quick-replaceable
Wheel.And the instantaneous torque under 8 different rotary angle of vertical axis waterpower runner can get by rotational speed and torque instrument 3, it hangs down convenient for analysis
8 dynamic property of d-axis waterpower runner.Electromagnetic brake 1, which can start from scratch, applies continuous load to vertical axis waterpower runner 8, can be real
The continuous control of existing revolving speed.
Bearing 4 is housed, lower supporting plate 12 is matched with short axle 15 at upper backup pad 11 and the 3 lower end torsion shaft cooperation of rotational speed and torque instrument
Bearing 10 is housed at conjunction, reduces the abrasion between axis and support plate.
As shown in Fig. 2, a height of H of vertical axis waterpower runner 8r, the diameter of vertical axis waterpower runner 8 is D, in the present embodiment
In, being designed as of support stand 5 forms a rectangular cavities between upper backup pad 11 and lower supporting plate 12 specifically: rectangular cavity
A length of L=(2~5) D of body, the width of rectangular cavities are S=(2~5) D, high H=(2~5) H of rectangular cavitiesr, pass through control
The size of rectangular cavities, can to avoid or weaken corner post and up and down influence of the support plate to incoming flow is stablized, be vertical axis waterpower
Runner provides stable inlet flow conditions, reduces experimental error, improves measurement accuracy.
Above embodiments are merely to illustrate design philosophy and feature of the invention, and its object is to make technology in the art
Personnel can understand the content of the present invention and implement it accordingly, and protection scope of the present invention is not limited to the above embodiments.So it is all according to
It is within the scope of the present invention according to equivalent variations made by disclosed principle, mentality of designing or modification.
Claims (5)
1. a kind of vertical axis waterpower runner performance test device, which is characterized in that including support stand (5) and from top to bottom according to
Electromagnetic brake (1), rotational speed and torque instrument (3) and the runner shaft (7) of secondary arrangement, the electromagnetic brake (1), rotational speed and torque instrument
(3) it is fixedly mounted on support stand 5；
The output shaft and rotational speed and torque instrument (3) upper end torsion axis connection of the electromagnetic brake (1), rotational speed and torque instrument (3) lower end
Torsion shaft is connect with the upper end of runner shaft (7), and the lower end of the runner shaft (7) is fixed on support stand (5), the runner shaft
(7) vertical axis waterpower runner (8) is set on, and vertical axis waterpower runner (8) driving runner shaft (7) rotates synchronously.
2. a kind of vertical axis waterpower runner performance test device according to claim 1, which is characterized in that the supporting table
Frame (5) includes horizontally disposed upper backup pad (11) and lower supporting plate (12), the upper backup pad (11) and lower supporting plate (12)
Between pass through the support of 4 corner posts (13)；The upper backup pad (11) is equipped with side support plate (14), and the side support plate (14) is used
In Motionless electromagnetic brake (1), rotational speed and torque instrument (3).
3. a kind of vertical axis waterpower runner performance test device according to claim 2, which is characterized in that the lower support
1 vertical short axle (15) is housed on plate (12), is connect between the short axle (15) and the lower end of runner shaft (7) by shaft coupling.
4. a kind of vertical axis waterpower runner performance test device according to claim 2, which is characterized in that the upper support
Plate (11) and lower supporting plate (12) are the identical rectangular plate of shape, form a rectangular cavities by corner post (13).
5. a kind of vertical axis waterpower runner performance test device according to claim 4, which is characterized in that the rectangular cavity
A length of L=(2~5) D of body, the width of the rectangular cavities are S=(2~5) D, high H=(2~5) H of the rectangular cavitiesr,
Wherein, D is the diameter of vertical axis waterpower runner (8), HrFor the height of vertical axis waterpower runner (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438529.6A CN109387359A (en) | 2018-11-28 | 2018-11-28 | A kind of vertical axis waterpower runner performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438529.6A CN109387359A (en) | 2018-11-28 | 2018-11-28 | A kind of vertical axis waterpower runner performance test device |
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| Publication Number | Publication Date |
|---|---|
| CN109387359A true CN109387359A (en) | 2019-02-26 |
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| CN201811438529.6A Pending CN109387359A (en) | 2018-11-28 | 2018-11-28 | A kind of vertical axis waterpower runner performance test device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7617741B1 (en) * | 2006-09-19 | 2009-11-17 | Robert Vanderhye | Wind turbine testing |
| CN102507184A (en) * | 2011-10-24 | 2012-06-20 | 河南科技大学 | Common test bed device for use in vertical-axis wind wheel performance test |
| CN204649931U (en) * | 2015-04-20 | 2015-09-16 | 广州市香港科大霍英东研究院 | The simple and easy wind tunnel test platform of a kind of small-size vertical axis wind turbine performance |
| CN108775274A (en) * | 2018-08-01 | 2018-11-09 | 郑州大学 | A kind of device and method of test vertical axis windmill aeroperformance and structural behaviour |
| CN209198064U (en) * | 2018-11-28 | 2019-08-02 | 江苏大学 | A kind of vertical axis waterpower runner performance test device |
-
2018
- 2018-11-28 CN CN201811438529.6A patent/CN109387359A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7617741B1 (en) * | 2006-09-19 | 2009-11-17 | Robert Vanderhye | Wind turbine testing |
| CN102507184A (en) * | 2011-10-24 | 2012-06-20 | 河南科技大学 | Common test bed device for use in vertical-axis wind wheel performance test |
| CN204649931U (en) * | 2015-04-20 | 2015-09-16 | 广州市香港科大霍英东研究院 | The simple and easy wind tunnel test platform of a kind of small-size vertical axis wind turbine performance |
| CN108775274A (en) * | 2018-08-01 | 2018-11-09 | 郑州大学 | A kind of device and method of test vertical axis windmill aeroperformance and structural behaviour |
| CN209198064U (en) * | 2018-11-28 | 2019-08-02 | 江苏大学 | A kind of vertical axis waterpower runner performance test device |
Non-Patent Citations (1)
| Title |
|---|
| 丛志明: "H型和螺旋型固定偏角水轮机性能研究", 《中国优秀硕士学位论文全文数据库》, 15 February 2013 (2013-02-15), pages 21 - 25 * |
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