CN112304823A - Position control and mobile sealing device based on water mist particle size test in channel - Google Patents
Position control and mobile sealing device based on water mist particle size test in channel Download PDFInfo
- Publication number
- CN112304823A CN112304823A CN202011334969.4A CN202011334969A CN112304823A CN 112304823 A CN112304823 A CN 112304823A CN 202011334969 A CN202011334969 A CN 202011334969A CN 112304823 A CN112304823 A CN 112304823A
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- China
- Prior art keywords
- particle size
- channel
- water mist
- position control
- support
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- 238000007789 sealing Methods 0.000 title claims abstract description 60
- 239000002245 particle Substances 0.000 title claims abstract description 58
- 238000012360 testing method Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000003595 mist Substances 0.000 title claims abstract description 32
- 239000000779 smoke Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
Abstract
A position control and movable sealing device based on a water mist particle size test in a channel comprises the channel, a hydraulic driving device, a support, a sealing plate and a laser particle size tester; strip-shaped holes are symmetrically formed in the side walls of the two sides of the channel; hydraulic drive unit and support all set up in the passageway top, and hydraulic drive unit promotes the support and reciprocates, two sealing plate upper end fixed connection is in the support both ends respectively, and two sealing plate sliding connection are in the passageway both sides, laser particle size tester's transmitting terminal and receiving terminal are fixed respectively on two sealing plates, laser particle size tester's transmitting terminal passes the bar hole on the lateral wall of passageway both sides and is received by the receiving terminal, and the device kind can be controlled laser particle size tester's position and can seal the passageway.
Description
Technical Field
The invention relates to a position control and movable sealing device based on a water mist particle size test in a channel, and belongs to the field of water mist distribution full-section accurate test.
Background
The existing spray test device for research generally only adopts the water mist particle size test aiming at a fixed light path, and the test cannot represent the water mist distribution condition of a full interface, so that the following problems exist:
1. generally, in an open environment, the water mist distribution condition is tested by a particle size tester, and the problems of opening and sealing of a pipeline are not considered; 2. when the test is carried out in a closed environment, an accurate height moving support is not arranged, the fixed particle size tester can only test the water mist distribution condition of a single light path at the fixed height, the distribution condition of the real water mist of the whole section cannot be reflected, and the water mist condition of the fixed height can only be represented; 3. the test equipment has difficulty in achieving precise control, particularly high degree of control and control of the seal.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a position control and movable sealing device based on water mist particle size test in a channel, which can control the position of a laser particle size tester and seal the channel.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a position control and movable sealing device based on a water mist particle size test in a channel comprises the channel, a hydraulic driving device, a support, a sealing plate and a laser particle size tester; strip-shaped holes are symmetrically formed in the side walls of the two sides of the channel; hydraulic drive unit and support all set up in the passageway top, and hydraulic drive unit promotes the support and reciprocates, two sealing plate upper end fixed connection is in the support both ends respectively, and two sealing plate sliding connection are in the passageway both sides, the transmitting terminal and the receiving terminal of laser particle size tester are fixed respectively on two sealing plates, the transmitting terminal of laser particle size tester passes the bar hole on the lateral wall of passageway both sides and is received by the receiving terminal.
The technical scheme is further designed as follows: the position control and moving sealing device further comprises an air pressure tank, wherein the air pressure tank is communicated with a gap between the sealing plate and the side wall of the channel through an air inlet pipeline, and air is introduced into the gap.
The sealing plate is provided with an air inlet, and the air pressure tank is connected with the air inlet through an air inlet pipeline.
The both sides of passageway are equipped with the spout, closing plate sliding connection is in the spout.
The sealing plate is provided with a test hole, and laser emitted by the emitting end of the laser particle size tester passes through the test hole and the strip-shaped hole on the side wall of the channel to enter the channel and is received by the receiving end through the strip-shaped hole on the other side of the channel and the test hole of the other sealing plate.
The top of the channel is fixed with a guide post, and the support is connected to the guide post in a sliding mode.
The guide post is provided with a guide groove, the support is fixed with a guide block matched with the guide groove, and the guide block is connected in the guide groove in a sliding manner.
The support bottom is equipped with the spring, the spring both ends are supported respectively at support bottom and passageway top.
The hydraulic driving device is a hydraulic cylinder, the fixed end of the hydraulic cylinder is fixed on the guide post, and the output end of the hydraulic cylinder is fixed on the support.
The position control and movable sealing device further comprises a control device, and the control device is respectively connected with the hydraulic driving device, the laser granularity tester and the air pressure tank.
The invention has the beneficial effects that:
the device can realize that the receiving end and the transmitting end of the laser particle size tester move at the height position, can ensure the time alignment, and simultaneously designs the sealing device which can move along with the laser particle size tester in the height direction in order to prevent air or water mist in the channel from leaking from the opening of the channel of the receiving end or the transmitting end and influencing the water mist particle size test result. The device has a key effect on accurately testing the water mist particle size distribution condition of the whole section at different heights.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a right side view of a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: 1-channel, 11-strip-shaped hole, 12-guide column, 13-sliding chute, 2-hydraulic cylinder, 3-bracket, 4-spring, 5-sealing plate, 6-laser particle size tester and 7-air pressure tank.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example one
As shown in fig. 1 and fig. 2, the position control and movable sealing device based on the water mist particle size test in the channel of the embodiment comprises a channel 1, a hydraulic cylinder 2, a bracket 3, a sealing plate 5 and a laser particle size tester 6.
The longitudinal section of the channel 1 is rectangular, the size of the cross section is 600 x 600mm, and strip-shaped holes 11 are symmetrically formed in the side walls of two sides of the channel 1; the hydraulic cylinder 2 and the support 3 are both arranged above the channel 1, a spring 4 is arranged between the support 3 and the top of the channel 1, two ends of the spring 4 are respectively and tightly abutted to the bottom of the support 3 and the top of the channel 1, an output shaft of the hydraulic cylinder 2 is fixedly connected with the support 3, the hydraulic cylinder 2 pushes the support 3 to move up and down, the upper ends of the two sealing plates 5 are respectively and fixedly connected to two ends of the support 3, the two sealing plates are positioned on two sides of the channel 1 and are slidably connected to two sides of the channel 1, and the strip-shaped holes 11 are completely shielded by; the transmitting end and the receiving end of the laser particle size tester 6 are respectively fixed on the two sealing plates 5, the sealing plates 5 are provided with test holes, laser emitted by the transmitting end of the laser particle size tester 6 passes through the test holes and the strip-shaped holes 11 on the side wall of the channel 1 to enter the channel, and the laser passes through the strip-shaped holes 11 on the other side of the channel and the test holes of the other sealing plate to be received by the receiving end.
This embodiment promotes support 3 and closing plate 5 through hydraulic cylinder 2 and slides from top to bottom along the 1 lateral wall of passageway to drive laser particle size tester 6 and remove to the not co-altitude department of passageway 1, test the not co-altitude department water smoke distribution condition, the test is accomplished, closes hydraulic cylinder 2, and the support can return the normal position under the effect of spring 4. In the embodiment, the support 3 is controlled by the hydraulic cylinder 2, and the support 3 is fixedly connected with the transmitting end and the receiving end of the laser particle size tester 6, so that the transmitting end and the receiving end of the laser particle size tester 6 move simultaneously along with the support 3, and the transmitting end and the receiving end of the laser particle size tester 6 can be ensured to be centered constantly.
In this embodiment, the position control and moving sealing device further comprises an air pressure tank 7, an air inlet is arranged on the sealing plate 5, and the air pressure tank 7 is connected with the air inlet through an air inlet pipeline and used for introducing air into a gap between the sealing plate 5 and the side wall of the channel 1. Compressed air with certain pressure is introduced into the space between the sealing plate and the wall surface of the pipeline, the gauge pressure is about 1-2bar, the external air pressure of the channel 1 is larger than the internal air pressure, the internal air or water mist of the pipeline is ensured not to leak from the strip-shaped hole, the introduced compressed air is less, and the flow field in the channel 1 is not influenced.
Example two
As shown in fig. 3, the structure of the position control and moving sealing device based on the water mist particle size test in the channel of the present embodiment is the same as that of the embodiment in the first basic year, except that sliding grooves 13 are formed in two sides of the channel 1, and the sealing plate 5 is slidably connected in the sliding grooves 13.
The top of the channel 1 is fixed with a guide post 12, the guide post 12 is provided with a guide groove, the support 3 is fixed with a guide block matched with the guide groove, and the guide block is slidably connected in the guide groove. The fixed end of the hydraulic cylinder 2 is fixed on the guide post 12, and the output end is fixed on the bracket 3.
In this embodiment, the position control and moving sealing device further comprises a control device, and the control device is respectively connected with the hydraulic cylinder 2, the laser particle size tester 6 and the air pressure tank 7. For controlling the above-mentioned device.
The control strategy of the device of the present embodiment is as follows:
(1) since the laser particle size tester 6 emits a light beam cylinder with the diameter of 10mm, the controller controls the hydraulic driving device to move the laser particle size tester to the following specific positions (0-10 mm, 10-20mm, 20-30mm, … …, until the laser particle size tester moves to 590-600 mm), and the water mist distribution test is completed for each specific position, so that the whole section height can be ensured to be fully covered by 600 mm;
(2) during the moving process, the compressed air of the air pressure tank 7 is not input, namely a valve at the outlet of the air pressure tank 7 is controlled to be closed, so that the friction resistance during the moving process is reduced;
(3) when the laser particle size tester 6 moves to each specific position, taking 10-20mm as an example, after the laser particle size tester 6 moves to the specific position, an outlet valve of the air pressure tank 7 is started to seal the strip-shaped hole of the channel 1, and the sealing gas can protect the transmitting end and the receiving end of the laser particle size tester 6 from being adhered by flowing water mist in the pipeline in the testing process, so that the normal operation of the laser testing device is ensured;
(4) after moving to each specific position and completing the step (3) of sealing, taking 10-20mm as an example, the controller starts the laser particle size tester, tests the water mist distribution of the light path of 10-20mm and stores the result, after the result is obtained, the controller controls the sealing air device, closes the outlet valve of the air pressure tank, stops sealing, then controls the hydraulic cylinder to move the laser particle size tester to the position of 20-30mm, and continues the steps (3) - (4) until the controller controls the hydraulic drive to move the laser particle size tester to the position of 590-600mm, the water mist distribution test of the last light path is completed, and the test operation is finished.
The technical solutions of the present invention are not limited to the above embodiments, and all technical solutions obtained by using equivalent substitution modes fall within the scope of the present invention.
Claims (10)
1. The utility model provides a position control and removal sealing device based on test of water smoke particle size in passageway which characterized in that: the device comprises a channel, a hydraulic driving device, a bracket, a sealing plate and a laser particle size tester; strip-shaped holes are symmetrically formed in the side walls of the two sides of the channel; hydraulic drive unit and support all set up in the passageway top, and hydraulic drive unit promotes the support and reciprocates, two sealing plate upper end fixed connection is in the support both ends respectively, and two sealing plate sliding connection are in the passageway both sides, the transmitting terminal and the receiving terminal of laser particle size tester are fixed respectively on two sealing plates, the transmitting terminal of laser particle size tester passes the bar hole on the lateral wall of passageway both sides and is received by the receiving terminal.
2. The in-channel water mist particle size test based position control and movement sealing device according to claim 1, wherein: the sealing plate is communicated with the gap between the sealing plate and the side wall of the channel through the air inlet pipeline, and air is introduced into the gap.
3. The in-channel water mist particle size test based position control and moving sealing device according to claim 2, wherein: the sealing plate is provided with an air inlet, and the air pressure tank is connected with the air inlet through an air inlet pipeline.
4. The in-channel water mist particle size test based position control and movement sealing device according to claim 1, wherein: the both sides of passageway are equipped with the spout, closing plate sliding connection is in the spout.
5. The in-channel water mist particle size test based position control and movement sealing device according to claim 4, wherein: the sealing plate is provided with a test hole, and laser emitted by the emitting end of the laser particle size tester passes through the test hole and the strip-shaped hole on the side wall of the channel to enter the channel and is received by the receiving end through the strip-shaped hole on the other side of the channel and the test hole of the other sealing plate.
6. The in-channel water mist particle size test based position control and moving sealing device according to claim 2, wherein: the top of the channel is fixed with a guide post, and the support is connected to the guide post in a sliding mode.
7. The in-channel water mist particle size test based position control and movement sealing device according to claim 6, wherein: the guide post is provided with a guide groove, the support is fixed with a guide block matched with the guide groove, and the guide block is connected in the guide groove in a sliding manner.
8. The in-channel water mist particle size test based position control and movement sealing device according to claim 7, wherein: the support bottom is equipped with the spring, the spring both ends are supported respectively at support bottom and passageway top.
9. The in-channel water mist particle size test based position control and movement sealing device according to claim 8, wherein: the hydraulic driving device is a hydraulic cylinder, the fixed end of the hydraulic cylinder is fixed on the guide post, and the output end of the hydraulic cylinder is fixed on the support.
10. The in-channel water mist particle size test based position control and moving sealing device according to claim 2, wherein: the laser particle size tester also comprises a control device, wherein the control device is respectively connected with the hydraulic driving device, the laser particle size tester and the air pressure tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011334969.4A CN112304823A (en) | 2020-11-24 | 2020-11-24 | Position control and mobile sealing device based on water mist particle size test in channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011334969.4A CN112304823A (en) | 2020-11-24 | 2020-11-24 | Position control and mobile sealing device based on water mist particle size test in channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112304823A true CN112304823A (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011334969.4A Pending CN112304823A (en) | 2020-11-24 | 2020-11-24 | Position control and mobile sealing device based on water mist particle size test in channel |
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| CN (1) | CN112304823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933218A (en) * | 2021-09-26 | 2022-01-14 | 西安交通大学 | Equipment for measuring local atomization granularity of large-scale spray field by matching with laser particle sizer |
-
2020
- 2020-11-24 CN CN202011334969.4A patent/CN112304823A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933218A (en) * | 2021-09-26 | 2022-01-14 | 西安交通大学 | Equipment for measuring local atomization granularity of large-scale spray field by matching with laser particle sizer |
| CN113933218B (en) * | 2021-09-26 | 2022-08-05 | 西安交通大学 | Equipment for measuring local atomization granularity of large-scale spray field by matching with laser particle sizer |
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Effective date of registration: 20240102 Address after: 210023 10 fairyland Road, Xianlin street, Qixia District, Nanjing, Jiangsu Applicant after: Guoneng Nanjing Electric Power Test Research Co.,Ltd. Applicant after: GUODIAN ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE Co.,Ltd. Applicant after: National Energy Group Science and Technology Research Institute Co.,Ltd. Address before: 210000 Pudong Road, Pukou District, Nanjing, Jiangsu Province, No. 10 Applicant before: GUODIAN ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE Co.,Ltd. |