CN206071927U - Portable wind apparatus test device - Google Patents
Portable wind apparatus test device Download PDFInfo
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- CN206071927U CN206071927U CN201621031975.1U CN201621031975U CN206071927U CN 206071927 U CN206071927 U CN 206071927U CN 201621031975 U CN201621031975 U CN 201621031975U CN 206071927 U CN206071927 U CN 206071927U
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- broken
- whirlpool
- rear end
- air inlet
- portable wind
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Abstract
This utility model is related to fan test field, it is therefore an objective to provide a kind of Portable wind apparatus test device.A kind of Portable wind apparatus test device, including：Blower fan；Described Portable wind apparatus test device also includes：Whirlpool device, the measurement apparatus that rear end is detachably connected with air inlet are broken in air inlet；The airflow commutating device being connected with broken whirlpool device rear end and measurement apparatus front end respectively；The broken whirlpool device of air inlet includes：Broken scroll of the front end more than rear end, small end are located at the tapered broken whirlpool head of front side, several fix bars that are arranged in a crossed manner and being connected with tapered broken whirlpool head rear end；Tapered broken whirlpool head is located in broken scroll；The two ends of fix bar are connected with the inner side of broken scroll respectively.The Portable wind apparatus test device fan test efficiency is higher and measuring accuracy is higher.
Description
Technical field
This utility model is related to fan test field, especially a kind of Portable wind apparatus test device.
Background technology
Blower fan is widely used, according to using needs, it is often necessary to design the blower fan of size and unique properties；New blower fan sets
Timing needs on testing stand are repeatedly carried out performance test and are carried out optimization design；Draught fan performance test is carried out on testing stand to deposit
In the less efficient deficiency for making measuring accuracy relatively low with intake swirl impact of fan test, therefore, design a kind of fan test effect
Rate is higher and the higher Portable wind apparatus test device of measuring accuracy, becomes problem demanding prompt solution.
Utility model content
The purpose of this utility model is that on testing stand carrying out draught fan performance test has fan test in order to overcome at present
Less efficient and intake swirl affects the deficiency for making measuring accuracy relatively low, there is provided a kind of fan test efficiency is higher and measuring accuracy
Higher Portable wind apparatus test device.
Concrete technical scheme of the present utility model is：
A kind of Portable wind apparatus test device, including：Blower fan；Described Portable wind apparatus test device also includes：Air inlet
Broken whirlpool device, the measurement apparatus that rear end is detachably connected with air inlet；Respectively with broken whirlpool device rear end and measurement apparatus before
The airflow commutating device of end connection；The broken whirlpool device of air inlet includes：Broken scroll of the front end more than rear end, small end are located at the tapered of front side
Broken whirlpool head, several fix bars that are arranged in a crossed manner and being connected with tapered broken whirlpool head rear end；Tapered broken whirlpool head is located in broken scroll；Gu
The two ends of fixed pole are connected with the inner side of broken scroll respectively.When Portable wind apparatus test device is used, measurement apparatus and blower fan air intake
Mouthful connection need not move blower fan, and tapered broken whirlpool head and the front end of the broken whirlpool device of air inlet can be effective more than the broken scroll cooperation of rear end
Eliminate intake swirl；The Portable wind apparatus test device fan test efficiency is higher and measuring accuracy is higher.
Preferably, described measurement apparatus include：Outer gusset is provided with stud and rear end is detachably connected with air inlet
The testing tube for connecing, located at stud end face and with testing tube on the inside of insertion conical through-hole；It is provided with the survey being arranged in conical through-hole
Bar and in testing tube and the pitot tube of measuring head that is connected with reference test bar of rear end, sealing ring, clamp nut；Conical through-hole
Small end be located at testing tube on the inside of；The inner cone section that sealing ring is provided with outer cone section and is matched with conical through-hole, clamp nut be provided with
The cone shaped countersink of outer cone section matching；Clamp nut is threadedly coupled with stud and cone shaped countersink pushes down outer cone section.The skin of measurement apparatus
Trustship is to measure air-flow stagnation pressure and static pressure to determine a kind of tube of air velocity, can effectively measure air-flow stagnation pressure and static pressure
And high precision；The inner cone section that sealing ring is provided with outer cone section and is matched with conical through-hole, clamp nut are provided with what is matched with outer cone section
Cone shaped countersink, clamp nut is threadedly coupled with stud and cone shaped countersink pushes down outer cone section, and survey is tightly pushed down after making sealed ring deformation
The outer gusset of bar and conical through-hole, improve sealing.
Preferably, described airflow commutating device includes：The rectifier tube that front end is connected with broken scroll rear end, located at rectification
Several risers and several transverse slats arranged in a crossed manner with riser in pipe；Rectifier tube is separated into several points by riser and transverse slat
Gas channel not with the insertion of rectifier tube front-end and back-end；The rear end of rectifier tube is connected with the front end of testing tube.Air-flow rectification is filled
Put simple and practical；Several gas channels make gas flow uniform, improve test accuracy.
Preferably, the shape of cross section of described broken scroll is rectangle；The shape of cross section of testing tube is rectangle；Rectification
The shape of cross section of pipe is rectangle.It is beneficial to fabrication and installation and consistent beneficial to several gas channel size shapes.
Preferably, the broken whirlpool device of described air inlet also includes：On the outside of the tapered broken whirlpool head and small end is located at front side
Taper type breaks whirlpool sleeve pipe；The big end of the broken whirlpool sleeve pipe of taper type is connected with fix bar；The internal diameter of the broken whirlpool sleeve pipe small end of taper type is more than
The external diameter at the broken big end of whirlpool sleeve pipe of taper type.On the outside of tapered broken whirlpool head and small end internal diameter more than the broken big end of whirlpool sleeve pipe of taper type
External diameter the broken whirlpool sleeve pipe of taper type, make elimination intake swirl effect more preferable.
Compared with prior art, the beneficial effects of the utility model are：The Portable wind apparatus test device fan test is imitated
Rate is higher and measuring accuracy is higher.The pitot tube of measurement apparatus is measurement air-flow stagnation pressure and static pressure to determine one kind of air velocity
Tube, can effectively measure air-flow stagnation pressure and static pressure and high precision；Sealing ring is provided with outer cone section and is matched with conical through-hole
Inner cone section, clamp nut are provided with the cone shaped countersink matched with outer cone section, and clamp nut is threadedly coupled with stud and cone shaped countersink pressure
Firmly outer cone section, tightly pushes down the outer gusset of reference test bar and conical through-hole, improves sealing after making sealed ring deformation.Airflow commutating device
It is simple and practical；Several gas channels make gas flow uniform, improve test accuracy.Broken scroll, testing tube and rectification
The shape of cross section of pipe is rectangle, beneficial to fabrication and installation and consistent beneficial to several gas channel size shapes.Positioned at tapered
On the outside of broken whirlpool head and small end internal diameter more than the broken whirlpool sleeve pipe of the taper type of the external diameter at the broken big end of whirlpool sleeve pipe of taper type, make elimination air inlet
Venturi effect is more preferable.
Description of the drawings
Fig. 1 is a kind of structural representation of the present utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 1 at A.
In figure：Blower fan 1, air inlet breaks whirlpool device 2, breaks scroll 21, the broken whirlpool sleeve pipe 23 in tapered broken whirlpool 22, taper type, fixes
Bar 24, measurement apparatus 3, stud 31, testing tube 32, conical through-hole 33, reference test bar 34, measuring head 35, pitot tube 36, sealing ring
37th, clamp nut 38, outer cone section 39, inner cone section 310, cone shaped countersink 311, airflow commutating device 4, rectifier tube 41, riser 42, horizontal stroke
Plate 43, gas channel 44.
Specific embodiment
It is shown below in conjunction with the accompanying drawings that this utility model is described further.
As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3：A kind of Portable wind apparatus test device, including：Blower fan 1, the broken whirlpool dress of air inlet
2 are put, the measurement apparatus 3 that rear end is detachably connected with 1 air inlet of blower fan；Respectively with 3 front end of broken whirlpool device rear end and measurement apparatus
The airflow commutating device 4 of connection.
In the present embodiment：
The broken whirlpool device 2 of described air inlet includes：Broken scroll 21 of the front end more than rear end, small end are located at the tapered broken whirlpool of front side
22, on the outside of tapered broken whirlpool 22 and small end is located at the broken whirlpool sleeve pipe 23 of taper type of front side, two it is arranged in a crossed manner and with cone
The fix bar 24 of the broken 22 rear end mode connects for screw of whirlpool of type；Tapered broken whirlpool 22 is located in broken scroll 21；The two ends of fix bar 24 point
Inner side mode connects for screw not with broken scroll 21；The big end of the broken whirlpool sleeve pipe 23 of taper type and 24 mode connects for screw of fix bar；Taper type breaks
External diameter of the internal diameter of 23 small end of whirlpool sleeve pipe more than the broken 23 big end of whirlpool sleeve pipe of taper type.
Described measurement apparatus 3 include：Outer gusset is provided with stud 31 and the test of rear end and 1 air inlet mode connects for screw of blower fan
Pipe 32, the conical through-hole 33 located at 31 end face of stud and with 32 inner side insertion of testing tube；It is provided with and is arranged in conical through-hole 33
Reference test bar 34 and in testing tube 32 and rear end is integrally formed the pitot tube 36 of the measuring head 35 being connected with reference test bar 34, sealing
Circle 37, clamp nut 38；The small end of conical through-hole 33 is located on the inside of testing tube 32；Sealing ring 37 is provided with outer cone section 39 and and taper
The inner cone section 310 of the matching of through hole 33, clamp nut 38 are provided with the cone shaped countersink 311 matched with outer cone section 39；Clamp nut 38 with
Stud 31 is threadedly coupled and cone shaped countersink 311 pushes down outer cone section 39.
Described airflow commutating device 4 includes：The rectifier tube 41 of front end and 21 rear end mode connects for screw of broken scroll, located at rectification
Two risers 42 and two transverse slats 43 arranged in a crossed manner with riser 42 in pipe 41；Rectifier tube 41 is separated by riser 42 and transverse slat 43
Into nine gas channels 44 respectively with 41 front-end and back-end insertion of rectifier tube；The rear end of rectifier tube 41 and the front end of testing tube 32
Mode connects for screw.
The shape of cross section of described broken scroll 21 is square；The shape of cross section of testing tube 32 is square；Rectification
The shape of cross section of pipe 41 is square.
When Portable wind apparatus test device is used, measurement apparatus need not move blower fan with air inlet mode connects for screw,
Broken scroll cooperation of the tapered broken whirlpool head of the broken whirlpool device of air inlet with front end more than rear end can effectively eliminate intake swirl.
The beneficial effects of the utility model are：The Portable wind apparatus test device fan test efficiency is higher and measuring accuracy
It is higher.The pitot tube of measurement apparatus is to measure air-flow stagnation pressure and static pressure to determine a kind of tube of air velocity, can be effective
Measurement air-flow stagnation pressure and static pressure and high precision；The inner cone section that sealing ring is provided with outer cone section and is matched with conical through-hole, clamp nut
The cone shaped countersink matched with outer cone section is provided with, clamp nut is threadedly coupled with stud and cone shaped countersink pushes down outer cone section, makes sealing
The outer gusset of reference test bar and conical through-hole are tightly pushed down after circle deformation, sealing is improved.Airflow commutating device is simple and practical；If
A dry gas channel makes gas flow uniform, improves test accuracy.The shape of cross section of broken scroll, testing tube and rectifier tube is equal
It is for rectangle, beneficial to fabrication and installation and consistent beneficial to several gas channel size shapes.On the outside of tapered broken whirlpool head and small end
Internal diameter more than the broken whirlpool sleeve pipe of the taper type of the external diameter at the broken big end of whirlpool sleeve pipe of taper type, make elimination intake swirl effect more preferable.
It is apparent to one skilled in the art that this utility model can change into various ways, and such change is not
Think to depart from scope of the present utility model.All such technical staff to the field obviously change, and will include
Within the scope of present claims.
Claims (4)
1. a kind of Portable wind apparatus test device, including：Blower fan；It is characterized in that：Described Portable wind apparatus test device is also wrapped
Include：Whirlpool device, the measurement apparatus that rear end is detachably connected with air inlet are broken in air inlet；Respectively with broken whirlpool device rear end and measurement
The airflow commutating device of device front end connection；The broken whirlpool device of air inlet includes：Broken scroll of the front end more than rear end, small end are located at front side
Tapered broken whirlpool head, several fix bars that are arranged in a crossed manner and being connected with tapered broken whirlpool head rear end；Tapered broken whirlpool head is located at broken whirlpool
Guan Zhong；The two ends of fix bar are connected with the inner side of broken scroll respectively.
2. Portable wind apparatus test device according to claim 1, is characterized in that：Described measurement apparatus include：Outside
Enclose the testing tube for being provided with that stud and rear end are detachably connected with air inlet, located at stud end face and with testing tube on the inside of insertion
Conical through-hole；It is provided with the reference test bar that is arranged in conical through-hole and in testing tube and the test that is connected with reference test bar of rear end
The pitot tube of head, sealing ring, clamp nut；The small end of conical through-hole is located on the inside of testing tube；Sealing ring be provided with outer cone section and with
The inner cone section of conical through-hole matching, clamp nut are provided with the cone shaped countersink matched with outer cone section；Clamp nut is connected with stud screw thread
Connect and cone shaped countersink pushes down outer cone section.
3. Portable wind apparatus test device according to claim 2, is characterized in that：Described airflow commutating device includes：
The rectifier tube that front end is connected with broken scroll rear end, several risers in rectifier tube and several are arranged in a crossed manner with riser
Transverse slat；Rectifier tube is separated into several gas channels respectively with the insertion of rectifier tube front-end and back-end by riser and transverse slat；Rectification
The rear end of pipe is connected with the front end of testing tube.
4. the Portable wind apparatus test device according to claim 1 or 2 or 3, is characterized in that：The broken whirlpool device of described air inlet
Also include：On the outside of tapered broken whirlpool head and small end is located at the broken whirlpool sleeve pipe of taper type of front side；The big end of the broken whirlpool sleeve pipe of taper type
It is connected with fix bar；External diameter of the internal diameter of the broken whirlpool sleeve pipe small end of taper type more than the broken big end of whirlpool sleeve pipe of taper type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031975.1U CN206071927U (en) | 2016-08-31 | 2016-08-31 | Portable wind apparatus test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031975.1U CN206071927U (en) | 2016-08-31 | 2016-08-31 | Portable wind apparatus test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071927U true CN206071927U (en) | 2017-04-05 |
Family
ID=58436563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621031975.1U Active CN206071927U (en) | 2016-08-31 | 2016-08-31 | Portable wind apparatus test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337828A (en) * | 2016-08-31 | 2017-01-18 | 杭州老板电器股份有限公司 | Portable draught fan testing device and method |
-
2016
- 2016-08-31 CN CN201621031975.1U patent/CN206071927U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337828A (en) * | 2016-08-31 | 2017-01-18 | 杭州老板电器股份有限公司 | Portable draught fan testing device and method |
| CN106337828B (en) * | 2016-08-31 | 2018-01-16 | 杭州老板电器股份有限公司 | Portable wind apparatus test device and method of testing |
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