CN205538152U - Depth of water automatic tracking apparatus among unsteady flow analogue test - Google Patents
Depth of water automatic tracking apparatus among unsteady flow analogue test Download PDFInfo
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- CN205538152U CN205538152U CN201620095777.5U CN201620095777U CN205538152U CN 205538152 U CN205538152 U CN 205538152U CN 201620095777 U CN201620095777 U CN 201620095777U CN 205538152 U CN205538152 U CN 205538152U
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- photodiode
- water
- depth
- emitting led
- tracking motor
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Abstract
The utility model discloses a depth of water automatic tracking apparatus among unsteady flow analogue test, including sleeve, surface of water tracker and controller, surface of water tracker is located the sleeve, be equipped with first luminous LED, second luminous LED, a photodiode and the 2nd photodiode in the sleeve, a first luminous LED and a photodiode are just to arranging, luminous LED of second and the 2nd photodiode are just to arranging, a photodiode and the 2nd photodiode are connected with controller signal respectively, and the controller is connected with first tracking motor and second tracking motor respectively. The utility model discloses a depth of water automatic tracking apparatus, surface of water tracker rely on buoyancy to follow the surface of water automatically and reciprocate, then through first tracking motor and second tracking motor, realize the corresponding depth demand of trailing, control the tracking motor jointly through photodiode and luminous LED's high sensitivity performance and start, have improved tracking accuracy.
Description
Technical field
The present invention relates to depth of water autotracker in a kind of unsteady flow simulated test, belong to hydraulic engineering field.
Background technology
The current parameters such as flow velocity at certain depth of water, elevation have specific physical significance, such as the flow velocity generation at 0.6 times of depth of water
Table mean velocity in vertical, and table flow velocity is mean velocity in vertical 1.18 times；It addition, the water surface is relative to benchmark
The depth displacement in face is water level, thus, in water flow simulation is tested, the most often need to follow the trail of the current parameter of certain depth of water.My god
So current are non-constant, and the water surface is continually changing, and the depth of water changes the most therewith, for this reason, it may be necessary to automatically adjust phase according to water depth ratio
Pass instrument layout is to realize the measurement of current parameter at the specific depth of water, and such tracking device is referred to as the depth of water and fills from motion tracking
Put.Existing autotracker there is problems in that 1) water detection method mainly uses water resistance or water conduction mode,
Affected probe by water quality etc. easily to polarize and cause tracking accuracy low；2) limited by goal in research, the single depth of water can only be followed the tracks of,
Such as table (the full depth of water), and different water depth cannot be met and follow the tracks of needs；3) in unsteady flow simulated test, the water surface is deposited
At certain surface ripple, it is easily caused tracking device and moves back and forth always, affects apparatus measures result.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides in a kind of unsteady flow simulated test
Depth of water autotracker, it is achieved the various depth of waters are followed the tracks of to be needed, and reduce water surface wave interference by hardware threshold regulation.
Technical scheme: for achieving the above object, depth of water autotracker in the unsteady flow simulated test of the present invention, bag
Including sleeve, Surface Tracker and controller, described Surface Tracker is positioned at sleeve, is provided with first luminous in described sleeve
LED, the second emitting led, the first photodiode and the second photodiode, described first emitting led and first
Photodiode is just to layout, described second emitting led and the second photodiode is just to layout, the first photoelectricity two pole
Pipe and the second photodiode are connected with controller signals respectively, and controller follows the tracks of electricity with the first tracking motor and second respectively
Machine connects, and the first tracking motor passes through the first transmission device and sleeve connection, and the second tracking motor passes through the second transmission device
It is connected with monitoring device；Follow the water surface by Surface Tracker to move up and down, control the first photodiode and the second photoelectricity
The signal break-make of diode, controller controls turning of the first tracking motor and the second tracking motor respectively according to signal break-make
Dynamic, it is achieved monitoring device monitoring corresponding depth.
As preferably, described Surface Tracker section morphology is soil shape, uses light material to make, and density is less than water density
0.8 times.
As preferably, described first emitting led for blue light, arrange blue light narrow band pass filter before the first photodiode,
Second is emitting led for red light, layout ruddiness narrow band pass filter before the second photodiode.
As preferably, described first emitting led lower boundary and the second emitting led lower boundary distance h, h is set to water
Face ripple maximum height.
As preferably, under original state, on described Surface Tracker, interface 1 lower boundary emitting led with first is in same
Plane.
In the present invention, the first photodiode disconnects, and the second photodiode conducting, sleeve is failure to actuate；First photoelectricity
Diode disconnects, and the second photodiode disconnects, and sleeve moves upward；First photodiode conducting, the second photoelectricity two
Pole pipe conducting, sleeve moves downward.
New water detection method is set up in present invention innovation, controls motor action by photoelectricity break-make, sets up the first electricity respectively
Machine and the second motor, the first motor is used for trackable surface, and the second motor is used for following the tracks of the specific depth of water, thus realizes different water
Deep tracking.
Beneficial effect: depth of water autotracker in the unsteady flow simulated test of the present invention, can pass through the first tracking motor
With the second tracking motor, it is achieved various depth of water track demands, by photodiode and emitting led high sensitivity
Can start by co-controlling tracking motor, improve tracking accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
As it is shown in figure 1, depth of water autotracker in the unsteady flow simulated test of the present invention, including sleeve, the water surface with
Track device and controller, described Surface Tracker is positioned at sleeve, is provided with first emitting led, the second luminescence in described sleeve
LED, the first photodiode and the second photodiode, described first emitting led and the first photodiode is the most right
Arrange, described second emitting led and the second photodiode is just to layout, the first photodiode and the second photoelectricity two
Pole pipe is connected with controller signals respectively, and controller is connected with the first tracking motor and the second tracking motor respectively, first with
Track motor passes through the first transmission device and sleeve connection, and the second tracking motor is by the second transmission device with monitoring device even
Connecing, the first transmission device can be worm gear structure, it is also possible to for gear & rack structure, the first tracking motor rotates,
Band moving sleeve moves up and down.
When actually used, the second tracking motor is connected with monitoring device flow sensor by the second transmission device, monitoring
Device such as flow sensor.Measure mean flow rate time, need 0.6 times of relative change of moving, the motion of flow sensor away from
From equal to 0.6 times of the first tracking motor move distance.Second transmission device can be to connect rope or connecting rod, and flow velocity passes
Sensor is arranged in connection rope or connecting rod, when controller receives individual pulse, controls, and the second tracking motor drives flow velocity
Sensor movement distance is B times of the distance of the first tracking motor band moving sleeve motion.First transmission device is rack-and-pinion
During structure, the motor shaft of the first tracking motor is gear shaft, is provided with tooth bar on sleeve, and the second transmission device is for connecting
Bar, connecting rod is machined with the gear teeth, and the motor shaft of the second tracking motor is gear shaft, the gear teeth in connecting rod and tooth bar one
Sample, the gear shaft size of the first tracking motor and the second tracking motor too, individual pulse drive the first tracking motor and
The rotating speed of the second tracking motor is different, and the rotating speed of the second tracking motor is B times of the first tracing motor rotation speed, it is achieved single
Move B times that distance is sleeve displacement of individual pulse velocity sensor.Whole first tracking motor and second follows the tracks of electricity
Machine is fixed on support, and sleeve moves along the slide rail being fixed on support.
In the present invention, described Surface Tracker section morphology is soil shape, uses light material to make, and density is less than watertight
0.8 times of degree.Described first emitting led for blue light, arrange blue light narrow band pass filter before the first photodiode, the
Two is emitting led for red light, layout ruddiness narrow band pass filter before the second photodiode.Described first emitting led under
Border and the second emitting led lower boundary distance h, h is set to water surface ripple maximum height.Under original state, the described water surface
On tracker, interface and the first emitting led 1 lower boundary are in same plane.
Depth of water autotracker in a kind of above-mentioned unsteady flow simulated test, comprises the following steps:
1) tracking device is arranged in the water surface, Surface Tracker block blue light, the first photodiode signal open circuit, the
Two photodiode signal conductings, the first tracking motor is failure to actuate；
2) water surface rises, and Surface Tracker moves upward, the first photodiode signal open circuit, the second photodiode
Signal open circuit, controller controls the first tracking motor and rotates forward, and single pulse band moving sleeve rises 0.2 times of h, and the water surface is followed the tracks of
0.2 times of h of device relative drop, controller control simultaneously second tracking motor rotate forward, single pulse flow sensor motion away from
From being the multiple of the depth of water for B*0.2*hmm, B, parameter B is followed the trail of according to the depth of water to be needed to arrange, and follows the trail of 0.6 times of depth of water,
Then B is set to 0.6；Follow the trail of the water surface, then B is set to 1, then the second tracking motor realizes B times of depth of water rising tracking.
Repeating said process, until the second photodiode signal conducting, the first photodiode signal open circuit, first follows the tracks of electricity
Machine and the second tracking motor are failure to actuate；
3) water surface declines, and Surface Tracker moves downward, and the first photodiode signal conducting, controller controls first
Tracking motor inverts, and single pulse band moving sleeve declines 0.2 times of h, and Surface Tracker rises 0.2 times of h relatively；Controller
Controlling the second tracking motor reversion, single pulse move distance is B*0.2*hmm, then the second tracking motor realizes B times
The depth of water declines follows the tracks of.Repeat said process, until the first photodiode signal open circuit, the first tracking motor, first with
Track motor and the second tracking motor are failure to actuate.
Illustrating as a example by following the tracks of 0.6 times of depth of water of device tracking below, parameter to be measured is flow velocity, and measuring instrument is current meter.
When the water surface rises, the such as water surface rises H (H is more than h), and the former depth of water is x, and the most now the depth of water is (x+H), with
Track device is positioned at the 0.6x depth of water, the first photodiode signal open circuit, the second photodiode signal open circuit, controller
Controlling the first tracking motor simultaneously and the second tracking motor rotates forward, the first tracking motor passes through the first transmission device band moving sleeve
Rising 0.2 times of H, the second tracking motor drives current meter to rise 0.12H, after 5 times are moved, and the second photoelectricity two
Pole pipe signal conduction, the first photodiode signal open circuit, the first tracking motor stop motion, the second tracking motor drives
Current meter rises 0.12H*5=0.6H, then the new depth of water of current meter is 0.6x+0.6h, it is achieved that 0.6 times of depth of water is followed the tracks of.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (5)
1. depth of water autotracker in unsteady flow simulated test, it is characterised in that: include sleeve, Surface Tracker
And controller, described Surface Tracker is positioned at sleeve, be provided with in described sleeve first emitting led, second emitting led,
First photodiode and the second photodiode, described first emitting led and the first photodiode is just to layout,
Described second emitting led and the second photodiode is just to layout, the first photodiode and the second photodiode divide
Not being connected with controller signals, controller is connected with the first tracking motor and the second tracking motor respectively, the first tracking motor
By the first transmission device and sleeve connection, the second tracking motor is connected with monitoring device by the second transmission device；Pass through
Surface Tracker is followed the water surface and is moved up and down, and controls the signal break-make of the first photodiode and the second photodiode, control
Device processed controls the first tracking motor and the rotation of the second tracking motor respectively according to signal break-make, it is achieved corresponding depth is followed the tracks of.
Depth of water autotracker in unsteady flow simulated test the most according to claim 1, it is characterised in that:
Described Surface Tracker section morphology is soil shape, uses light material to make, and density is less than 0.8 times of water density.
Depth of water autotracker in unsteady flow simulated test the most according to claim 2, it is characterised in that:
Described first emitting led for blue light, arrange blue light narrow band pass filter before the first photodiode, second is emitting led
For red light, before the second photodiode, arrange ruddiness narrow band pass filter.
Depth of water autotracker in unsteady flow simulated test the most according to claim 3, it is characterised in that:
Described first emitting led lower boundary and the second emitting led lower boundary distance h, h is set to water surface ripple maximum height.
Depth of water autotracker in unsteady flow simulated test the most according to claim 4, it is characterised in that:
On described Surface Tracker, interface and the first emitting led 1 lower boundary are in same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095777.5U CN205538152U (en) | 2016-01-29 | 2016-01-29 | Depth of water automatic tracking apparatus among unsteady flow analogue test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095777.5U CN205538152U (en) | 2016-01-29 | 2016-01-29 | Depth of water automatic tracking apparatus among unsteady flow analogue test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205538152U true CN205538152U (en) | 2016-08-31 |
Family
ID=56773579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620095777.5U Expired - Fee Related CN205538152U (en) | 2016-01-29 | 2016-01-29 | Depth of water automatic tracking apparatus among unsteady flow analogue test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929464A (en) * | 2020-08-14 | 2020-11-13 | 南京昊控软件技术有限公司 | Water tracking buoy for measuring average flow velocity of vertical line |
-
2016
- 2016-01-29 CN CN201620095777.5U patent/CN205538152U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929464A (en) * | 2020-08-14 | 2020-11-13 | 南京昊控软件技术有限公司 | Water tracking buoy for measuring average flow velocity of vertical line |
| CN111929464B (en) * | 2020-08-14 | 2022-01-11 | 南京昊控软件技术有限公司 | Water tracking buoy for measuring average flow velocity of vertical line |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160831 Termination date: 20190129 |