CN106017814A - Water circulation system bubble collecting and measuring device in microgravity environment - Google Patents
Water circulation system bubble collecting and measuring device in microgravity environment Download PDFInfo
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- CN106017814A CN106017814A CN201610543908.6A CN201610543908A CN106017814A CN 106017814 A CN106017814 A CN 106017814A CN 201610543908 A CN201610543908 A CN 201610543908A CN 106017814 A CN106017814 A CN 106017814A
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- bubble
- water
- microgravity environment
- circulation system
- collected
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/086—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for valves
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to the technical filed of water bubble collecting and measuring in a space microgravity environment, and particularly relates to a water circulation system bubble collecting and measuring device in a microgravity environment. The device comprises a box body, a micropump, a water valve, a motor component, a pool part, a control system and an imaging system, wherein the micropump, the water valve, the motor component, the pool part, the control system and the imaging system are arranged in the box. The pool part comprises a bubble collector and a telescopic pool, wherein the bubble collector and the telescopic pool are communicated with each other. The bubble collector is connected with the micropump through a pipeline. The water valve is arranged in the suction port of the micropump and is connected with the motor component. The imaging system is arranged outside the bubble collector. The control system is electrically connected with the micropump, the motor component and the imaging system. The device provided by the invention is not affected by gravity factor, uses a right angle trap device to gather bubbles together, and has the advantages of compactness, lightness, low power consumption, safety and the like.
Description
Technical field
The bubble that the invention belongs under space microgravity environment in water route is collected and field of measuring technique, specifically
Relate to the water passage circulation system bubble under a kind of microgravity environment to collect and measurement apparatus.
Background technology
Being positioned on the space orbit of distance earth surface about 400km, its Level of Microgravity is 10-2-10-3g,
It is mounted with relatively to be used for the space science application load of various experiment in each pressure cabin of spacecraft.Space section
Learn in application load and have substantial amounts of water passage circulation system, utilize water valve to connect fast and easily and disconnect；
Water valve is the critical component in water passage circulation system.If the entrance that air is during water valve connection with disconnection
Measure excessive, then can cause scientific experiments load water circuit system assembles substantial amounts of bubble, have a strong impact on relevant
Carrying out of space science experiment.Therefore, the air amount of comprising is that the important technology characterizing water valve air-tightness refers to
Mark.
In the existing assay device carrying out bubble collection on the ground, the bubble collection method used is not
Special operation condition be applicable to space and limited working place, it is impossible to realize the convergence of bubble.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of being applicable under space microgravity environment
Water passage circulation system bubble is collected and measurement apparatus.This device is under test microgravity environment inside water valve
The air amount of comprising and the test system that designs, by this bubble collecting device, microgravity can be tested out
Under operating mode, water valve repeatedly move back and forth during the air amount of comprising.
To achieve these goals, the present invention is by the following technical solutions:
Water passage circulation system bubble under a kind of microgravity environment is collected and measurement apparatus, including casing and set
It is placed in Micropump, water valve, electric machine assembly, pool portion, control system and the one-tenth in this casing confined space
As system, wherein pool portion includes bubble trap and scalable pond, the wherein bubble being interconnected
Catcher is provided with water inlet and outlet, described water inlet and outlet and is connected with Micropump by pipeline,
Formed closed circuit, described water valve part be arranged at Micropump water sucking mouth and with electric machine assembly part
Connect, realized connection and the disconnection of described water valve, described imaging by the driving of described electric machine assembly part
System is arranged at the outside of described bubble trap, goes out the profile of bubble in shooting bubble trap,
Described control system electrically connects with Micropump, electric machine assembly and imaging system.
Described water valve includes public valve, mother sleeve, pressing plate and guide rail, and wherein public valve is installed in rotation on case
Be in transmission connection on the base plate of body and with described electric machine assembly, described mother sleeve threaded with public valve and
And be connected with the slide being arranged on base plate by slide block, the rotary motion of described public valve makes mother sleeve
Move along a straight line along guide rail, thus realize connection and the disconnection of described water valve.
Described public valve includes support member, gear wheel, gear wheel protective cover and drive sleeve, wherein support member
Be fixed on base plate, described drive sleeve be installed in rotation on support member and be arranged with on it with
Described electric machine assembly connect gear wheel, the outside of described gear wheel is provided with gear wheel protective cover, described in drive
Moving sleeve is threadeded with described mother sleeve.
Described mother sleeve is arranged on connector fixing part, and described connector fixing part is connected with guide rail by slide block,
The movement travel of described connector fixing part is controlled by the limit switch 9 being arranged on base plate, described joint
The side of fixture is provided with briquetting, and simultaneously and shoe contact, the side, end of described guide rail sets described briquetting
There are the voussoir being arranged on base plate, described briquetting and voussoir for adjusting the axle center of described water valve.
Described electric machine assembly includes motor, motor assist mounting bracket, motor mount, motor output end
Mounting bracket and little gear, wherein motor is arranged on case by motor assist mounting bracket and motor mount
On the base plate of body, the outfan of described motor is provided with little gear and is propped up by motor output end mounting bracket
Support.
Water inlet and water outlet on described bubble trap are equipped with angle coupling.
Described bubble trap uses lucite, and described scalable pond uses corrugated rubber pipe, described
The two ends of corrugated rubber pipe are arranged on the bearing of pond by pond compact heap, described corrugated rubber pipe one end
With bubble trap UNICOM, the other end passes through pond seal cap sealing.
Described imaging system includes two cameras, and two cameras are respectively arranged at the end of described bubble trap
Portion and side, be used for the current imaging in bubble trap and measure bubble profile.
In the control room that described set-up of control system is independent in casing, install including controller and panel
Frame, described controller is arranged in control room by panel installing rack.
Described casing is provided with the electrical outlet for being connected with control room internal controller.
Advantages of the present invention and providing the benefit that: due to the microgravity environment residing for space science payload,
Bubble in water route will not locate motion, the bubble therefore used on ground as on the ground from low to high
Method for congregating and device are the most applicable.The invention provides a kind of water being applicable under space microgravity environment
Road blood circulation bubble is collected and measurement apparatus, and compared with prior art, it is no longer by the shadow of gravity factor
Ring, but utilize right angle trap devices by bubble coalescence together, and mechanical system and controller subpackage
In two mutual airtight spaces, box house keeps airtight with outside, improves the watertight of this device
Property, there is the features such as compactedness, portability, low-power consumption, safety, meet under space microgravity environment
The real work requirement of payload.
Accompanying drawing explanation
Fig. 1 be the present invention overall structure installation diagram；
Fig. 2 is the structural representation (enlarged drawing of I in Fig. 1) of water valve in the present invention；
Fig. 3 is the structural representation (enlarged drawing of II in Fig. 1) of electric machine assembly in the present invention；
Fig. 4 is the structural representation (enlarged drawing of III in Fig. 1) of pool portion in the present invention；
Fig. 5 is the structural representation of casing in the present invention；
Fig. 6 is the System Working Principle schematic diagram of the present invention.
In figure: 1 is base plate, 2 is Micropump, and 3 is public valve, and 3-1 is support member, and 3-2 is gear wheel, 3-3
For gear wheel protective cover, 3-4 is drive sleeve, and 4 is camera, and 5 is mother sleeve, and 5-1 is that joint is fixed
Part, 5-2 is pedestal, and 6 is bubble trap, and 7 is angle coupling, and 8 is scalable pond, and 8-1 is water
Pond bearing, 8-2 is that pond seals lid, and 8-3 is pond compact heap, and 9 is limit switch, and 10 is motor,
11 is controller, and 12 is electrical outlet, and 12-1 is motor assist mounting bracket, and 12-2 is motor mount,
12-3 is motor output end mounting bracket, and 14 is pressing plate, and 15 is guide rail slide block, and 15-1 is voussoir, 16
For little gear, 17 is bearing, and 18 is shell, and 19 is panel installing rack, is 1. water valve, is 2. motor,
3. it is Micropump, is 4. camera (and bubble trap devices), 5. rubber pond, the most transparent pipeline.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings and specifically
Embodiment describes the present invention.
As it is shown in figure 1, the water passage circulation system bubble under a kind of microgravity environment of present invention offer is collected
With measurement apparatus, including casing and be arranged at the Micropump 2 in this casing confined space, water valve, electric machine assembly,
Pool portion, control system and imaging system, wherein pool portion includes the bubble trap 6 being interconnected
With scalable pond 8, wherein bubble trap 6 is provided with water inlet and outlet, described water inlet and going out
The mouth of a river is connected with Micropump 2 by pipeline, forms closed circuit, and described water valve part is arranged at Micropump 2
Water sucking mouth and being connected with electric machine assembly part, realizes institute by the driving of described electric machine assembly part
Stating connection and the disconnection of water valve, described imaging system is arranged at the outside of described bubble trap 6, is used for
The profile of bubble, described control system and Micropump 2, electric machine assembly and imaging is gone out in shooting bubble trap 6
System electrically connects.
As in figure 2 it is shown, described water valve includes public valve 3, mother sleeve 5, pressing plate 14 and guide rail 15, wherein
Public valve 3 is installed in rotation on the base plate 1 of casing and is in transmission connection with described electric machine assembly, described
Mother sleeve 5 is threadeded with public valve 3 and is slided with the guide rail 15 being arranged on base plate 1 by slide block
Connecting, the rotary motion of described public valve 3 makes mother sleeve 5 move along a straight line along guide rail 15, thus realizes institute
State connection and the disconnection of water valve.
Described public valve 3 includes support member 3-1, gear wheel 3-2, gear wheel protective cover 3-3 and drive sleeve
3-4, wherein support member 3-1 is fixed on base plate 1, and described drive sleeve 3-4 is installed in rotation on props up
The gear wheel 3-2 being connected with described electric machine assembly, described gear wheel it is arranged with in support member 3-1 and on it
The outside of 3-2 is provided with gear wheel protective cover 3-3, and described drive sleeve 3-4 is with described mother sleeve 5 screw thread even
Connect.
Described mother sleeve 5 is arranged on connector fixing part 5-1, and described connector fixing part 5-1 passes through slide block
Being connected with guide rail 15, the movement travel of described connector fixing part 5-1 is spacing by be arranged on base plate 1
Switch 9 control, the side of described connector fixing part 5-1 is provided with briquetting 14, described briquetting 14 simultaneously with cunning
Block contacts, and the side, end of described guide rail 15 is provided with the voussoir 15-1 being arranged on base plate 1, described briquetting
14 and voussoir 15-1 for adjusting the axle center of described water valve.
As it is shown on figure 3, described electric machine assembly includes motor 12, motor assist mounting bracket 12-1, motor
Mounting seat 12-2, motor output end mounting bracket 12-3 and little gear 16, wherein motor 12 passes through motor
Mounting assist support 12-1 and motor mount 12-2 is arranged on the base plate 1 of casing, and passes through motor
The axis adjusting screw holding motor on mounting assist support 12-1 is parallel with the axis of water valve, it is ensured that big,
Meshing relation between little gear.Described little gear 16 is installed on the outfan of motor 12, and bearing 17 is installed
Fix in little gear 16 and by motor output end mounting bracket 12-3, motor assist mounting bracket 12-1
Be each attached on motor mount 12-2 with motor output end mounting bracket 12-3, described little gear 16 with
Gear wheel 3-2 engages.It is defeated that the camera 4 of the laterally horizontal placement being positioned at bubble trap 6 is arranged on motor
Go out to hold in mounting bracket 12-3.
Water inlet and water outlet on described bubble trap 6 are equipped with angle coupling 7 (M10*1mm).
Angle coupling 7 is separately fixed at upper surface and the side of bubble trap 6, and the current in pipeline are from laterally
Angle coupling 7 enters and flows out from the angle coupling 7 of upper surface, if there being bubble in current, then works as water valve
After realizing connection repeatedly and disconnecting motion, the bubble in water converges in bubble by the effect of Micropump 2 and receives
In storage 6, take the profile in two vertical direction of bubble by its side and following camera 4, meter
Calculate the volume of bubble.
As shown in Figure 4, described bubble trap 6 uses lucite, described scalable pond 8 to use
Corrugated rubber pipe, the two ends of described corrugated rubber pipe are arranged on pond bearing 8-1 by pond compact heap 8-3
On, described corrugated rubber pipe one end and bubble trap 6 UNICOM, the other end seals lid 8-2 by pond
Seal, pass through screw in compression, it is ensured that the water in pond is not revealed.
Bubble trap 6 is fixed on the bearing 8-1 of pond and ensures sealing by O-ring.
The retractility utilizing rubber bellows compensates water valve connection and disconnects the change in volume caused, in pipeline
Bubble by the effect of pump through the right angle bubble trap that formed by lucite, be gathered in this.Warp
Crossing the repeatedly reciprocating motion of water valve, the bubble in pipeline all will converge in lucite, be hung down by two
Nogata measures the contour area of bubble to the camera placed, and calculates bubble volume.
Described imaging system includes that two cameras 4, two cameras 4 are respectively arranged at described bubble trap 6
Bottom and side, for the current imaging in bubble trap 6 and measure bubble profile.
As it is shown in figure 5, in the control room independent in casing of described set-up of control system, including controller
11 and panel installing rack 19, described controller 11 is arranged in control room by panel installing rack 19.
Described casing is provided with the electrical outlet 12 for being connected with control room internal controller 11.
It is provided with two mutual airtight spaces at box house, makes machine driven system and electric-control system real
Existing physical isolation, each lateral layout of shell 18 become lightening grooves structure to realize lighting, base plate 1 and on
Sealing gasket is installed between lid and shell 18, it is ensured that the Machine Room of casing is internal outer with casing and control room
Sealing, controller 11 is arranged in the control room of box cavity, is provided by panel installing rack 19
Support, communication interface and electric interfaces are set at electrical outlet 12.
The operation principle of the present invention is:
It is provided with two independent confined spaces in described casing, is respectively provided with machinery and control system portion
Point, the interface that base plate 1 and upper cover are connected with shell 18 respectively is by sealing gasket and casing external seal, control
After the wire of system intracavity processed is connected with each machinery by wire guide, by fluid sealant, through hole is sealed,
Realize the sealing of Machine Room and control room.After controller 11 powers on to motor 10, drive its outfan
Little gear 16 moves, and engages with gear wheel 3-2, drives drive sleeve 3-4 on public valve 3, water valve
Realize connecting and disconnecting with the relative motion of main-valve 5 by public valve 3.After water valve connects, it is positioned at water valve
The Micropump 2 of one end is started working and drives waterway circulating to move, and has bubble, then when bubble warp in Ruo Shui Road
When crossing the bubble trap 6 at pool portion, produce and assemble.After completing reciprocating motion repeatedly, logical
Cross bottom bubble trap 6 and the profile of bubble shot by the camera 4 of lateral two vertical direction, as
Shown in Fig. 6.
Mother sleeve 5 along guide rail 15 move along a straight line time, water valve realize connection and off-state, and by limit
Bit switch 9 controls the movement travel of water valve, the pressing plate that is arranged on connector fixing part 5-1 14 and being arranged on
Voussoir 15-1 on base plate 1 is used for adjusting the axle center of water valve, and the engagement making gear pair is good, inside water valve
Use O-ring to seal, prevent water flow inside from leaking.
A kind of water passage circulation system bubble of being applicable under space microgravity environment that the present invention provides collect with
Measurement apparatus, compared with prior art, it is no longer affected by gravity factor, but utilizes right angle trap
By bubble coalescence together, and mechanical system and controller are sub-packed in two mutual airtight spaces to device
In, box house is airtight with outside holding, improves the watertightness of this device, has compactedness, light
Property, low-power consumption, the feature such as safety, meet the real work of payload under space microgravity environment and want
Ask.
The foregoing is only embodiments of the present invention, be not intended to limit protection scope of the present invention.All
Any modification, equivalent substitution and improvement made within the spirit and principles in the present invention, extension etc., all
Comprise within the scope of the present invention.
Claims (10)
1. the water passage circulation system bubble under a microgravity environment is collected and measurement apparatus, it is characterised in that:
The Micropump (2) that including casing and is arranged in this casing confined space, water valve, electric machine assembly, pond portion
Point, control system and imaging system, wherein pool portion include the bubble trap (6) that is interconnected and
Scalable pond (8), wherein bubble trap (6) is provided with water inlet and outlet, described water inlet
Being connected with Micropump (2) by pipeline with outlet, form closed circuit, described water valve part is arranged at micro-
The water sucking mouth of pump (2) and being connected with electric machine assembly part, by driving of described electric machine assembly part
Dynamic connection and the disconnection realizing described water valve, described imaging system is arranged at described bubble trap (6)
Outside, goes out the profile of bubble in being used for shooting bubble trap (6), described control system and Micropump (2),
Electric machine assembly and imaging system electrical connection.
The most according to claim 1, the water passage circulation system bubble under microgravity environment is collected and measures dress
Put, it is characterised in that: described water valve includes public valve (3), mother sleeve (5), pressing plate (14) and guide rail
(15), wherein public valve (3) be installed in rotation on the base plate (1) of casing upper and with described group of motors
Part is in transmission connection, and described mother sleeve (5) is threadeded and by slide block and setting with public valve (3)
Guide rail (15) on base plate (1) is slidably connected, and the rotary motion of described public valve (3) makes mother sleeve
(5) move along a straight line along guide rail (15), thus realize connection and the disconnection of described water valve.
The most according to claim 2, the water passage circulation system bubble under microgravity environment is collected and measures dress
Put, it is characterised in that: described public valve (3) includes support member (3-1), gear wheel (3-2), gear wheel
Protective cover (3-3) and drive sleeve (3-4), wherein support member (3-1) is fixed on base plate (1),
Described drive sleeve (3-4) be installed in rotation on support member (3-1) upper and its on be arranged with
The gear wheel (3-2) that described electric machine assembly connects, the outside of described gear wheel (3-2) is provided with gear wheel and protects
Guard shield (3-3), described drive sleeve (3-4) is threadeded with described mother sleeve (5).
The most according to claim 2, the water passage circulation system bubble under microgravity environment is collected and measures dress
Put, it is characterised in that: described mother sleeve (5) is arranged on connector fixing part (5-1), described joint
Fixture (5-1) is connected with guide rail (15) by slide block, the motion of described connector fixing part (5-1)
Stroke is controlled by the limit switch 9 being arranged on base plate (1), described connector fixing part (5-1)
Side is provided with briquetting (14), and described briquetting (14) is simultaneously and shoe contact, the end of described guide rail (15)
Side, portion is provided with the voussoir (15-1) being arranged on base plate (1), described briquetting (14) and voussoir (15-1)
For adjusting the axle center of described water valve.
The most according to claim 1, the water passage circulation system bubble under microgravity environment is collected and measures dress
Put, it is characterised in that: described electric machine assembly include motor (12), motor assist mounting bracket (12-1),
Motor mount (12-2), motor output end mounting bracket (12-3) and little gear (16), Qi Zhong electricity
Machine (12) is arranged on casing by motor assist mounting bracket (12-1) and motor mount (12-2)
Base plate (1) on, the outfan of described motor (12) be provided with little gear (16) and by motor defeated
Go out to hold mounting bracket (12-3) to support.
The most according to claim 1, the water passage circulation system bubble under microgravity environment is collected and measures dress
Put, it is characterised in that: water inlet and water outlet on described bubble trap (6) are equipped with heading joint
Head (7).
The most according to claim 1, the water passage circulation system bubble under microgravity environment is collected and measures dress
Put, it is characterised in that: described bubble trap (6) uses lucite, described scalable pond (8)
Using corrugated rubber pipe, the two ends of described corrugated rubber pipe are arranged on pond by pond compact heap (8-3)
On bearing (8-1), described corrugated rubber pipe one end and bubble trap (6) UNICOM, the other end passes through
Pond seals lid (8-2) and seals.
The most according to claim 1, the water passage circulation system bubble under microgravity environment is collected and measures dress
Put, it is characterised in that: described imaging system includes that two cameras (4), two cameras (4) are respectively provided with
In bottom and the side of described bubble trap (6), for the current in bubble trap (6) are become
Picture also measures bubble profile.
The most according to claim 1, the water passage circulation system bubble under microgravity environment is collected and measures dress
Put, it is characterised in that: in the control room that described set-up of control system is independent in casing, including controller
(11) and panel installing rack (19), described controller (11) is pacified by panel installing rack (19)
It is contained in control room.
The most according to claim 9, the water passage circulation system bubble under microgravity environment is collected and is measured
Device, it is characterised in that: described casing is provided with the electricity for being connected with control room internal controller (11)
Socket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543908.6A CN106017814B (en) | 2016-07-11 | 2016-07-11 | Water passage circulation system bubble under microgravity environment is collected and measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543908.6A CN106017814B (en) | 2016-07-11 | 2016-07-11 | Water passage circulation system bubble under microgravity environment is collected and measuring device |
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| Publication Number | Publication Date |
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| CN106017814A true CN106017814A (en) | 2016-10-12 |
| CN106017814B CN106017814B (en) | 2018-06-29 |
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| CN201610543908.6A Expired - Fee Related CN106017814B (en) | 2016-07-11 | 2016-07-11 | Water passage circulation system bubble under microgravity environment is collected and measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109519165A (en) * | 2018-12-29 | 2019-03-26 | 中国科学院沈阳自动化研究所 | A kind of test device and its test method of simulated microgravity probing |
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| Publication number | Publication date |
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| CN106017814B (en) | 2018-06-29 |
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