CN209145943U - It is a kind of for testing the experimental rig of fan performance - Google Patents
It is a kind of for testing the experimental rig of fan performance Download PDFInfo
- Publication number
- CN209145943U CN209145943U CN201822013261.3U CN201822013261U CN209145943U CN 209145943 U CN209145943 U CN 209145943U CN 201822013261 U CN201822013261 U CN 201822013261U CN 209145943 U CN209145943 U CN 209145943U
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- China
- Prior art keywords
- blower
- testing
- fan performance
- assembling
- test box
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Abstract
The utility model discloses a kind of for testing the experimental rig of fan performance, the device includes test box and experimental box, is equipped with blower inside test box, blower is connect with frequency converter, the inner hollow of test box, its both ends is equipped with both ends open, and the outer end of test box is connected with assembling panel, and inner end is connected with air hose, air hose passes through an experimental box, assembling is on assembling panel, and assembling panel is equipped with air inlet, and air inlet and blower mouth position are to just.Blower is arranged in test box the utility model, other positions and the external world in addition to the air inlet on assembling panel are totally-enclosed, it avoids extraneous factor from impacting fan performance, the wind that blower generates accurately is introduced by experimental box by air hose, improves the accuracy of draught fan performance test.
Description
Technical field
The utility model belongs to draught fan performance test technical field, and in particular to a kind of for testing the test of fan performance
Device.
Background technique
The general performance of blower is tested-is included under motor power frequency (50HZ) state, the flow of blower, total pressure, power, effect
Total pressure performance curve, static pressure performance curve, electrical power performance under rated speed are drawn in rate, the measurement of revolving speed, calculating and amendment
Curve, unit efficiency (containing motor and frequency converter) performance curve.Blower gearshift performance experiment-pass through the frequency conversion of adjusting wind turbine
Device, control blower are run under different rotating speeds, are tested performance curve of the wind turbine under different rotating speeds, are drawn the general of blower
Performance curve verifies the accuracy of similarity law special case proportionality law.Each blower is tested-tested to pepeline characteristic in certain promoting or transferring door
Pepeline characteristic under aperture draws corresponding characteristic curve of pipeline.When fluid flows through blower, various streams are inevitably encountered
Dynamic resistance generates energy loss.Due to the complexity of flowing, these energy losses can not theoretically make accurate calculation,
Therefore the numerical value of practical wind pressure can not theoretically be acquired.Therefore, the air quantity of the blower under certain revolving speed needs measuring.
Utility model content
Purpose of utility model: in view of the deficienciess of the prior art, the purpose of the utility model is to provide one kind for surveying
Try the experimental rig of fan performance.
Technical solution: in order to realize that above-mentioned purpose of utility model, the technical solution adopted in the utility model are as follows:
Including test box and experimental box, blower is equipped with inside the test box, the blower is connect with frequency converter, described
The inner hollow of test box, both ends are equipped with both ends open, and the outer end of the test box is connected with assembling panel, inner end
It is connected with air hose, for the assembling on assembling panel, the assembling panel is equipped with air inlet, the air inlet
Mouth is with blower mouth position to just；The flow sensor and pressure sensing being equipped with for measuring air hose interior air-flow in experimental box
Device.
Further, the blower is mounted on assembling panel by a bracket, and the bracket includes pacifying with blower
The pedestal of dress panel connection and the mounting plate connecting with blower, the mounting plate are equipped with air guide hole.
Further, the assembling panels outside is further fixed on positioning ring, and the positioning ring includes and assembling
The positioning region of panel connection and the interconnecting piece connecting with blower, the interconnecting piece are socketed on the inside of blower mouth.
Further, the assembling panel and test box and positioning ring junction are respectively equipped with sealing element.
Further, the sealing element is aluminium foil sticker.
Further, the direct voltage output power supply connecting with blower, the DC voltage are provided on the test box
Out-put supply is equipped with regulation button.
Further, the pedestal is in rectangular box shape.
Further, one end that the test box is connect with assembling panel is cylindrical, one connect with air hose
It holds in a circular table shape.
The utility model has the advantages that compared with prior art, the utility model has the advantage that
Blower is arranged in test box the utility model, other positions in addition to the air inlet on assembling panel and outer
Boundary's closing, avoids extraneous factor from impacting fan performance, the wind that blower generates accurately is introduced experimental box by air hose,
Improve the accuracy of draught fan performance test.
Detailed description of the invention
Fig. 1 is the experimental rig external structure schematic diagram for testing fan performance；
Fig. 2 is the experimental rig part explosive view for testing fan performance.
Specific embodiment
Combined with specific embodiments below, the utility model is furtherd elucidate, embodiment is with technical solutions of the utility model
Premised under implemented, it should be understood that these embodiments are merely to illustrate the utility model rather than limit the utility model
Range.
As illustrated in fig. 1 and 2, the experimental rig for being used to test fan performance of the application, including test box 1 and experimental box 2,
Blower 3 is equipped with inside test box 1, blower 3 connect with a frequency converter, operates under different rotating speeds to control blower 3.Test
1 inner hollow of case, both ends open are connected with assembling panel 4 in the outer end of test box 1, are connected in the inner end of test box 1
Air hose 5, air hose 5 pass through in experimental box 2, and being equipped in experimental box 2 is several for acquiring the flow sensor of air in air hose 5
With pressure sensor (not shown) etc., to carry out flow and piezometry to the air draught in air hose 5.Blower 3 is excellent
Choosing is mounted on assembling panel 4, the structure annular in shape of assembling panel 4, and assembling panel 4 is equipped with air inlet 6, into
Air port 6 is preferably provided at the center of assembling panel 4, and air inlet 6 is preferably with 7 position of blower mouth to just, to prevent wind
7 barrier of machine mouth influences experimental data.
For the ease of fixation, blower 3 is mounted on assembling panel 4 by a bracket 8, bracket 8 include pedestal 81 with
Mounting plate 82, wherein pedestal 81 is in rectangular box shape, and pedestal 81 is by several bolts and is fixed on assembling panel 4
Inside, the inner end of blower 3 are fixed on mounting plate 82, are equipped with air guide hole 83 on a mounting board.
For the ease of making the position of blower mouth 7 and air inlet 6 to just, it is fixed to be further fixed in the outside of assembling panel 4
Position ring 9, positioning ring 9 include positioning region 91 and interconnecting piece 92, and interconnecting piece 92 is perpendicular to the inside for being connected to positioning region 91.Positioning region
If 91 are mounted on the outside of assembling panel 4 by bolt stem, interconnecting piece 91 is socketed in blower mouth 7 after passing through air inlet 6
Side.
Gap between assembling panel 4 and test box 1 and positioning ring 9 in order to prevent, influences experimental data, in blower
Installation panel 4 and test box 1 and 9 junction of positioning ring are respectively equipped with sealing element.Sealing element can use gasket, more there is choosing
It is to be sealed using aluminium foil glue patch.
In order to test under different rotation speed of fan, the pepeline characteristic of different valve areas is additionally provided with always in test box 1
Galvanic electricity presses out-put supply 10, and direct voltage output power supply 10 is equipped with regulation button, and the electricity of fan is adjusted by regulation button
Pressure, controls the revolving speed of blower.
Blower is arranged in test box the utility model, other positions in addition to the air inlet on assembling panel and outer
Boundary's closing, avoids extraneous factor from impacting fan performance, the wind that blower generates accurately is introduced experimental box by air hose,
Improve the accuracy of draught fan performance test.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of for testing the experimental rig of fan performance, it is characterised in that: including test box and experimental box, in the test
Blower is equipped with inside case, the blower is connect with frequency converter, the inner hollow of the test box, and both ends are equipped with both ends open,
The outer end of the test box is connected with assembling panel, and inner end is connected with air hose, and the assembling is in assembling face
On plate, the assembling panel is equipped with air inlet, and the air inlet and blower mouth position are to just；Being equipped in experimental box
For measuring the flow sensor and pressure sensor of air hose interior air-flow.
2. according to claim 1 for testing the experimental rig of fan performance, it is characterised in that: the blower passes through one
Bracket is mounted on assembling panel, and the bracket includes the pedestal connecting with assembling panel and the peace that connect with blower
Loading board, the mounting plate are equipped with air guide hole.
3. according to claim 1 for testing the experimental rig of fan performance, it is characterised in that: the assembling face
It is further fixed on positioning ring on the outside of plate, the positioning ring includes the positioning region connecting with assembling panel and the company that connect with blower
Socket part, the interconnecting piece are socketed on the inside of blower mouth.
4. according to claim 1 for testing the experimental rig of fan performance, it is characterised in that: the assembling face
Plate and test box and positioning ring junction are respectively equipped with sealing element.
5. according to claim 4 for testing the experimental rig of fan performance, it is characterised in that: the sealing element is aluminium
Foil sticker.
6. according to claim 1 for testing the experimental rig of fan performance, it is characterised in that: set on the test box
It is equipped with the direct voltage output power supply connecting with blower, the direct voltage output power supply is equipped with regulation button.
7. according to claim 2 for testing the experimental rig of fan performance, it is characterised in that: the pedestal is in rectangle
Frame shaped.
8. according to claim 1 for testing the experimental rig of fan performance, it is characterised in that: the test box and wind
One end that machine installs panel connection is cylindrical, and the one end connecting with air hose is in a circular table shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822013261.3U CN209145943U (en) | 2018-12-03 | 2018-12-03 | It is a kind of for testing the experimental rig of fan performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822013261.3U CN209145943U (en) | 2018-12-03 | 2018-12-03 | It is a kind of for testing the experimental rig of fan performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209145943U true CN209145943U (en) | 2019-07-23 |
Family
ID=67288775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822013261.3U Active CN209145943U (en) | 2018-12-03 | 2018-12-03 | It is a kind of for testing the experimental rig of fan performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209145943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692120A (en) * | 2020-06-09 | 2020-09-22 | 杭州微光电子股份有限公司 | Fan performance test equipment |
-
2018
- 2018-12-03 CN CN201822013261.3U patent/CN209145943U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692120A (en) * | 2020-06-09 | 2020-09-22 | 杭州微光电子股份有限公司 | Fan performance test equipment |
| CN111692120B (en) * | 2020-06-09 | 2021-10-29 | 杭州微光电子股份有限公司 | Fan performance test equipment |
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