CN207541094U - A kind of laser velocimeter equipment - Google Patents
A kind of laser velocimeter equipment Download PDFInfo
- Publication number
- CN207541094U CN207541094U CN201721430992.7U CN201721430992U CN207541094U CN 207541094 U CN207541094 U CN 207541094U CN 201721430992 U CN201721430992 U CN 201721430992U CN 207541094 U CN207541094 U CN 207541094U
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- China
- Prior art keywords
- laser
- laser velocimeter
- static housing
- partition
- connector
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Abstract
The utility model discloses a kind of laser velocimeter equipment, and including static housing, connector, laser velocimeter device and manual rotary devices, the bottom surface of the static housing is provided with vertical locating rod, and the static housing is fixedly installed by locating rod level；The connector level is fixed at static housing side, and the laser velocimeter device connect setting with static housing, and push or pull on speed measuring device by connector, and the laser velocimeter device can move back and forth in the horizontal direction；The manual rotary devices are rotatably connected setting with connector, and the manual rotary devices are sequentially connected by tooth with laser velocimeter device and set, and rotary manual rotating device, the laser velocimeter device can move back and forth in vertical direction.A kind of laser velocimeter equipment provided by the utility model, can measure the flow velocity of liquid or gas, easy to operate, easy to spread.
Description
Technical field
The utility model belongs to laser Doppler velocity technique field more particularly to a kind of laser velocimeter equipment.
Background technology
With the development of the society, scientific technological advance is very swift and violent, 21 century, the progress of laser velocimeter field are entered particularly into
It is particularly evident.Laser Doppler velocity technique can measure the speed of high-speed flight object or the object that quickly moves at present
Speed, such as laser velocimeter for whether exceeding the speed limit of measurement automobile of traffic etc..But measure flowing using laser technology
The speed of liquid, such as river water are measured the speed of the gas of flowing, such as air using laser technology, are considerably less, and
And measured using other equipment there may be bigger error, so urgent need wants a kind of measures liquid or gas using laser technology
The device or equipment of body.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the utility model provides a kind of laser velocimeter equipment,
The flow velocity of mobility liquid or the flow velocity of mobility gas can be measured, easy to operate, it is accurate to measure, easy to spread.
Technical solution：To achieve the above object, a kind of laser velocimeter equipment of the utility model, including static housing, even
Fitting, laser velocimeter device and manual rotary devices, the bottom surface of the static housing are provided with vertical locating rod, the fixation
Babinet is fixedly installed by locating rod level；The connector level is fixed at static housing side, the laser velocimeter
Device connect setting with static housing by connector, and pushes or pull on speed measuring device, and the laser velocimeter device can be in water
Square to moving back and forth；The manual rotary devices are rotatably connected setting, the manual rotary devices and laser with connector
Speed measuring device is sequentially connected by tooth and set, and rotary manual rotating device, and the laser velocimeter device can come in vertical direction
Return is dynamic, pulls open the relative distance of laser velocimeter device and static housing, reduces due to influencing each other between device, and swashs
Laser velocimeter device can be put into fluid to be measured by flash ranging speed variator in vertical direction movement, convenient for testing the speed.
Further, the connector is mutually isostructural two groups, and connector described in two groups is arranged in same level；
The connector includes telescopic rod, annulus and head rod, the side fixed setting of the vertical static housing of the telescopic rod, and
Head rod is linked into an integrated entity structure by annulus and telescopic rod.
Further, the laser velocimeter device includes first partition, second partition, the second connecting rod, Laser emission dress
It puts, laser receiver and the tumbler that tests the speed, ring-shaped handle, the first partition and second is provided on the second partition
Partition board is connected by the second connecting rod and set；Test the speed tumbler and the rotation connection setting of the second connecting rod, the laser
Emitter is arranged in first partition, and the laser receiver is arranged on second partition, and laser beam emitting device is with swashing
Optical pickup apparatus is oppositely arranged.
Further, the tumbler that tests the speed includes rotating cylinder, several velocity measurement plates and fan-shaped connecting plate, and described second
Annular groove is surrounded in connecting rod, the rotating cylinder is rotatably set in annular groove；Several velocity measurement plates are turning
The lateral surface of dynamic cylinder is circumferentially distributed, and the adjacent velocity measurement plate is connected by fan-shaped connecting plate set respectively, and several sectors are even
Fishplate bar forms the great circle that radius is R in the same plane；Laser, which is provided with, on one of them described fan-shaped connecting plate passes through hole, institute
It states the tumbler that tests the speed to rotate a circle, the laser forms the roundlet that radius is r by hole, and the radius R of the great circle is roundlet
Twice of radius r.
Further, the outer plate surface of the first partition is symmetrically arranged with two vertical slideways, the head rod
Rod end on be provided with idler wheel, the idler wheel rolling is equipped in slideway；The both sides of the slideway are provided with arc-shaped limit
Slot, the roller bearing of the idler wheel are provided at both ends with limiting round end, and the limiting round end is set with arc-shaped limit slot corresponding matching.
Advantageous effect：A kind of laser velocimeter equipment of the utility model using the rotation for the tumbler that tests the speed, and is combined and is swashed
Light velocity measuring technique can measure the flow velocity of liquid or gas, can realize that laser velocimeter device is in the horizontal direction using telescopic rod
Mobile, the distance between drawing device reduces error, and manual rotary devices facilitate the height for adjusting laser velocimeter device, make it
It enters in fluid to be measured, completes to test the speed, easy to operate compared to other laser velocimeter devices, it is accurate to measure, convenient for promoting.
Description of the drawings
Attached drawing 1 is the structural decomposition diagram of the utility model；
Attached drawing 2 is the overall structure diagram of the utility model；
Attached drawing 3 is the enlarged diagram of A in attached drawing 1；
Attached drawing 4 is the enlarged structure schematic diagram of B (test the speed tumbler) in attached drawing 1；
Attached drawing 5 is the cross section structure schematic diagram of slideway；
Attached drawing 6 is the schematic front view of tumbler of testing the speed；
Attached drawing 7 is the internal structure schematic diagram of babinet.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in attached drawing 1 to attached drawing 7, a kind of laser velocimeter equipment, including static housing 1, connector, laser velocimeter device
And manual rotary devices, the bottom surface of the static housing 1 are provided with vertical locating rod 4, the static housing 1 passes through locating rod
4 horizontal fixed settings；The connector level is fixed at 1 side of static housing, and the laser velocimeter device passes through connection
Part connect setting with static housing 1, and pushes or pull on speed measuring device, and the laser velocimeter device can move back in the horizontal direction
It is dynamic；The manual rotary devices are rotatably connected setting with connector, and the manual rotary devices pass through with laser velocimeter device
Tooth, which is sequentially connected, to be set, and rotary manual rotating device, the laser velocimeter device can move back and forth in vertical direction.
In order to improve the stability and balance that are connected between device, the connector is mutually isostructural two groups, two groups
The connector is arranged in same level；The connector includes telescopic rod 7, annulus 8 and head rod 9, described to stretch
The side fixed setting of 7 vertical static housing 1 of contracting bar, and head rod 9 is linked into an integrated entity knot by annulus 8 and telescopic rod 7
Structure, telescopic rod 7 can pull open the specific of laser velocimeter device and static housing 1, avoid the influence of static housing 1 and reduce and test the speed
Accuracy.
The laser velocimeter device includes first partition 15, second partition 16, the second connecting rod 17, laser beam emitting device
20th, laser receiver 19 and the tumbler that tests the speed are provided with ring-shaped handle 23,23 side of ring-shaped handle on the second partition 16
Just laser velocimeter device is drawn or pushes away, the first partition 15 connect setting with second partition 16 by the second connecting rod 17, the
One partition board 15 forms channel with second partition 16, passes through convenient for fluid to be measured or gas, also allows for observing the tumbler that tests the speed
Rotation situation；Described to test the speed tumbler and the rotation connection of the second connecting rod 17 is set, the laser beam emitting device 20 is arranged on
In first partition 15, the laser receiver 19 is arranged on second partition 16, and laser beam emitting device 20 and laser pick-off
Device 19 is oppositely arranged, and ensures that laser receiver 19 can normally receive laser.
The tumbler that tests the speed includes rotating cylinder 24, several velocity measurement plates 25 and fan-shaped connecting plate 26, and described second connects
Annular groove 18 is surrounded on extension bar 17, the rotating cylinder 24 is rotatably set in annular groove 18, and velocity measurement plate 25 is used for
The resistance of flow or the resistance of air-flow are formed, so as to the tumbler rotation that makes to test the speed, fan-shaped connecting plate 26 is used for blocking laser；
Several velocity measurement plates 25 are circumferentially distributed in the lateral surface of rotating cylinder 24, and the adjacent velocity measurement plate 25 is connected respectively by sector
The connection setting of plate 26, and several fan-shaped connecting plates 26 form the great circle 35 that radius is R in the same plane；In order to which Laser emission fills
It puts 20 laser sent out can smoothly to be received by laser receiver 19, be provided on one of them described fan-shaped connecting plate 26 sharp
Light is rotated a circle by hole 27, the tumbler that tests the speed, and the laser forms the roundlet 36 that radius is r by hole 27, described
The radius R of great circle 35 is twice of the radius r of roundlet 36, and the radius R of great circle 35 is easier to measure, and conveniently calculates roundlet 36
Radius r, reduce error.
The outer plate surface of the first partition 15 is symmetrically arranged with two vertical slideways 21, the bar of the head rod 9
Idler wheel 29 is provided on end, the rolling of idler wheel 29 is equipped in slideway 21；The both sides of the slideway 21 are provided with arc
Limiting slot 30, the roller bearing of the idler wheel 29 are provided at both ends with limiting round end 28, and the limiting round end 28 and arc-shaped limit slot 30 are right
It should be equipped with, ensure that laser velocimeter device can be moved in vertical direction, and idler wheel 29 can reduce friction, extend and use
Service life.
The manual rotary devices include rotation interior bar 11 and the rotation outer bar 10 being integrated with rotation interior bar 11, the rotation
Turn that interior bar 11 is rotatable to be equipped in annulus 8,11 one end of the rotation interior bar is provided with rotation hand wheel 13, other end setting
There is block 14；Two groups of teeth is surrounded on the bar wall of the rotation outer bar 10, tooth described in same group forms gear 12, and described the
The outer plate surface of one partition board 15 is symmetrically arranged with two vertical racks 22, and the gear 12 is set with rack 22 by tooth drive connection
It puts, rotates rotation hand wheel 13, laser velocimeter device can be driven by tooth and be moved, and tooth is driven relatively good control.
The static housing 1 is internally provided with for electric installation 32, motor 33 and data collection and treatment device 34, the electricity
Machine 33 and data collection and treatment device 34 for electric installation 32 respectively with being electrically connected, and be provided in data collection process device 34
Timing module.
The top of the static housing 1 is provided with air-bubble level, and the both sides of the static housing 1 are symmetrically arranged with fixation
Handle ring 2, control switch 6 is provided on one of them described fixed handle ring 2, and the control switch 6 electrically connects with motor 33
Connect, fixed handle ring 2 facilitates fixed static housing 1, the positions of 6 setting of control switch be also more convenient control motor 33 unlatching or
Person is opened and closed.
The bottom setting augers 5 of the locating rod 4, the top of the locating rod 4 extends to the interior of static housing 1
Portion, and locating rod 4 is drivingly connected with the motor 33 being arranged in static housing 1, augers 5 is easier than very fast with boring,
It fixes also than stronger.
When measuring river flow velocity, both hands hold fixed handle ring 2, and pressing control switch 6, motor 33 is opened, and motor 33 drives
Dynamic 5 rotary drilling riverbed of augers, you can fix static housing 1, pull with hand ring-shaped handle 23, telescopic rod 7 extends, so
Rotation hand wheel 13 is rotated afterwards, is moved down laser velocimeter device and is entered in water, river water constantly impacts velocity measurement plate 25, tests the speed
Tumbler rotates, you can opens laser beam emitting device 20 and laser receiver 19 tests the speed；Laser reception device
When 19 first times received laser, timing module record time at this time is t1, and the time for receiving laser for the second time is
T2, data collection process device 34 are recorded and are obtained the time difference for receiving laser twice, and within a time difference, laser passes through
Hole 27 by the π r of perimeter L=2, data collection process device 34 can calculate the flow velocity of river water；
When wind speed is measured, also babinet 1 is fixed using air-bubble level 3 in horizontal spacious area
Horizontal measurement, the accuracy of measuring wind speed can be improved in this way, remaining step is identical with measuring river flow velocity.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of laser velocimeter equipment, feature exist：Including static housing (1), connector, laser velocimeter device and can be manually rotated
Device, the bottom surface of the static housing (1) are provided with vertical locating rod (4), and the static housing (1) passes through locating rod (4)
Level fixed setting；The connector level is fixed at static housing (1) side, and the laser velocimeter device passes through connection
Part connect setting, and push or pull on speed measuring device with static housing (1), and the laser velocimeter device can in the horizontal direction back and forth
It is mobile；The manual rotary devices are rotatably connected setting with connector, and the manual rotary devices lead to laser velocimeter device
Tooth drive connection setting is crossed, and rotary manual rotating device, the laser velocimeter device can move back and forth in vertical direction.
2. a kind of laser velocimeter equipment according to claim 1, it is characterised in that：The connector is mutually isostructural two
Group, connector described in two groups are arranged in same level；The connector includes telescopic rod (7), annulus (8) and the first connection
Bar (9), the side fixed setting of the vertical static housing (1) of the telescopic rod (7), and head rod (9) by annulus (8) with
Telescopic rod (7) links into an integrated entity structure.
3. a kind of laser velocimeter equipment according to claim 2, it is characterised in that：The laser velocimeter device includes first
It partition board (15), second partition (16), the second connecting rod (17), laser beam emitting device (20), laser receiver (19) and tests the speed
Tumbler is provided with ring-shaped handle (23), the first partition (15) and second partition (16) on the second partition (16)
It is connected and set by the second connecting rod (17)；Test the speed tumbler and the second connecting rod (17) rotation connection setting, it is described
Laser beam emitting device (20) is arranged in first partition (15), and the laser receiver (19) is arranged on second partition (16)
On, and laser beam emitting device (20) is oppositely arranged with laser receiver (19).
4. a kind of laser velocimeter equipment according to claim 3, it is characterised in that：The tumbler that tests the speed includes rotation
Cylinder (24), several velocity measurement plates (25) and fan-shaped connecting plate (26) are surrounded with annular groove on second connecting rod (17)
(18), the rotating cylinder (24) is rotatably set in annular groove (18)；Several velocity measurement plates (25) are in rotating cylinder
(24) lateral surface is circumferentially distributed, and the adjacent velocity measurement plate (25) is connected by fan-shaped connecting plate (26) set respectively, and several
Fan-shaped connecting plate (26) forms the great circle (35) that radius is R in the same plane；On one of them described fan-shaped connecting plate (26)
Laser is provided with by hole (27), the tumbler that tests the speed rotates a circle, and it is r's that the laser forms radius by hole (27)
Roundlet (36), the radius R of the great circle (35) are twice of the radius r of roundlet (36).
5. a kind of laser velocimeter equipment according to claim 3, it is characterised in that：The outer plate surface of the first partition (15)
Two vertical slideways (21) are symmetrically arranged with, idler wheel (29), the idler wheel are provided on the rod end of the head rod (9)
(29) it rolls and is equipped in slideway (21)；The both sides of the slideway (21) are provided with arc-shaped limit slot (30), the idler wheel
(29) roller bearing is provided at both ends with limiting round end (28), and the limiting round end (28) sets with arc-shaped limit slot (30) corresponding matching
It puts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721430992.7U CN207541094U (en) | 2017-10-30 | 2017-10-30 | A kind of laser velocimeter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721430992.7U CN207541094U (en) | 2017-10-30 | 2017-10-30 | A kind of laser velocimeter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207541094U true CN207541094U (en) | 2018-06-26 |
Family
ID=62611872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721430992.7U Expired - Fee Related CN207541094U (en) | 2017-10-30 | 2017-10-30 | A kind of laser velocimeter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207541094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986606A (en) * | 2021-03-11 | 2021-06-18 | 铜陵有色金属集团股份有限公司工程技术分公司 | Fan speed and acceleration tester |
-
2017
- 2017-10-30 CN CN201721430992.7U patent/CN207541094U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986606A (en) * | 2021-03-11 | 2021-06-18 | 铜陵有色金属集团股份有限公司工程技术分公司 | Fan speed and acceleration tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180626 Termination date: 20201030 |