CN107651159A - A kind of aerostatics zero pressure difference circular gas-discharge unit - Google Patents
A kind of aerostatics zero pressure difference circular gas-discharge unit Download PDFInfo
- Publication number
- CN107651159A CN107651159A CN201710738251.3A CN201710738251A CN107651159A CN 107651159 A CN107651159 A CN 107651159A CN 201710738251 A CN201710738251 A CN 201710738251A CN 107651159 A CN107651159 A CN 107651159A
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- China
- Prior art keywords
- housing
- guide rod
- aerostatics
- pressure difference
- exhaust
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
- B64B1/62—Controlling gas pressure, heating, cooling, or discharging gas
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The present invention relates to a kind of aerostatics zero pressure difference circular gas-discharge unit, including housing, it is characterised in that：Housing bottom is provided with exhaust sealing lid；Actuating unit is provided with housing, for driving exhaust sealing lid to move up and down；Housing, exhaust sealing lid are rounded；Trapezoidal punch-pin is along the circumferential direction provided with below housing, the exhaust sealing side of covering along the circumferential direction is correspondingly provided with trapezoidal cavity plate, and the punch-pin is engaged to form sealing with cavity plate.Simple and reasonable, light weight of the invention, intensity is high, good seal performance, is easily assembled.
Description
Technical field
The present invention relates to a kind of aerostatics zero pressure difference exhaust apparatus.
Background technology
High-altitude aerostatics is developed and can apply near space, near space, refers to public apart from earth surface 20-100
In position, the air in this spatial domain is more and more thinner from low to high so that most of aircrafts flown in the spatial domain it is difficult, very
It can not extremely fly, and for satellite, the gravitation in the spatial domain is by seeming excessive, if existed with certain height track
This spatial domain long-play, cost are huge.And aerostatics then cheap more of cost, and can be high with long-term suspension in stratosphere
Empty aerostatics can be communicated on civilian instead of synchronous satellite, television relay, monitoring, scientific experiment etc., army uses can be with
As the general-purpose platform with the function such as military communication, long-range investigation, information, navigation, early warning, no matter from military or civilian
From the point of view of, aerostatics is owned by high economic value and strategic value, and the service life of aerostatics also receives the extensive of all circles
Concern.Enough gas is full of when aerostatics is gone up to the air by ground, it is necessary in its utricule, is more than air to reach utricule buoyancy
The effect of buoyancy, then utricule will go up to the air and rise, as utricule flies higher and higher, air is more and more thinner, and air pressure is more next
Smaller, gas volume pressure will increase in aerostatics body, cause aerostatics utricule to burst in order to avoid inside and outside differential pressure is excessive, this
With regard to needing a kind of exhaust apparatus, internal helium is constantly discharged during aerostatics lift-off, when aerostatics reaches setting height
In the range of when, right up to buoyant equilibrium, instruction is then sent by control system, closes exhaust apparatus, aerostatics is no longer arranged
Gas, can be with long-term suspension in the height of setting, to complete its function.Weak point existing for existing aerostatics exhaust apparatus
It is complicated, heavier mass, or lighter weight, but intensity is poor.
The content of the invention
Present invention aims at provide a kind of aerostatics zero pressure difference exhaust apparatus, simple and reasonable, light weight, intensity
Height, good seal performance, it is easily assembled.
Realize the technical scheme of the object of the invention：
A kind of aerostatics zero pressure difference exhaust apparatus, including housing, it is characterised in that：Housing bottom is provided with exhaust sealing lid；
Actuating unit is provided with housing, for driving exhaust sealing lid to move up and down；Housing, exhaust sealing lid are rounded；Shell
Trapezoidal punch-pin is along the circumferential direction provided with below body, the exhaust sealing side of covering along the circumferential direction is correspondingly provided with trapezoidal cavity plate, described convex
Mould is engaged to form sealing with cavity plate.
Further, actuating unit has leading screw, feed screw nut, drive block, and leading screw is vertically arranged, can be by exhaust electricity
Machine driving rotation, feed screw nut are arranged on leading screw, can be moved up and down under leading screw drive, and drive block is under feed screw nut drive
It can move up and down.
Further, spring is provided between feed screw nut and drive block, drive block is arranged on guide rail, and guide rail is located at leading screw
Outside.
Further, the exhaust sealing portion of covering connects the second guide rod, and the second guide rod is vertically arranged, and the second guide rod connects drive block.
Further, the second guide rod is provided with travel switch plectrum；Upper and lower stroke microswitch is provided with housing, by going
Cheng Kaiguan plectrums control, for controlling the start and stop of exhaust motor.
Further, supporting mechanism being provided with housing, supporting mechanism is made up of the first guide rod and multiple stiffener plates, and first
Guide rod is vertically arranged, is connected positioned at multiple stiffener plate the inners center, and with stiffener plate, stiffener plate outer end with
Housing is fixed；Second guide rod is located on the inside of the first guide rod, and the first guide rod is provided with strip through-hole.
Further, housing, stiffener plate are hollow out design, and housing, stiffener plate exhaust sealing lid are by carbon fiber
It is made with PMI hard boards, the first guide rod, the second guide rod are made by carbon fibre material；Each part of actuating unit is by aluminium
Alloy material is made.
The device have the advantages that：
Inventive shell bottom is provided with exhaust sealing lid；Actuating unit is provided with housing, for driving exhaust sealing
Lid moves up and down；Actuating unit has leading screw, feed screw nut, drive block, and leading screw is vertically arranged, can be driven by exhaust motor
Rotation, feed screw nut are arranged on leading screw, can be moved up and down under leading screw drive, and drive block can be upper and lower under feed screw nut drive
Motion.Trapezoidal punch-pin is along the circumferential direction provided with below inventive shell, the exhaust sealing side of covering along the circumferential direction is correspondingly provided with ladder
Shape cavity plate, the punch-pin are engaged to form sealing with cavity plate, so as to which the sealing of exhaust apparatus be effectively ensured.Structure of the present invention
Advantages of simple, light weight, intensity is high, good seal performance, is easily assembled.
The exhaust sealing portion of covering of the present invention connects the second guide rod, and the second guide rod is vertically arranged, and the second guide rod connects drive block；Second
Guide rod is provided with travel switch plectrum；Upper and lower stroke microswitch is provided with housing, is controlled by travel switch plectrum, for controlling
The start and stop of exhaust motor processed.Control is exhausted by stroke microswitch in the present invention so that gas exhaust inspecting functional reliability is more
By force.
Spring is provided between feed screw nut and drive block of the present invention, spring can ensure close in exhaust as buffer element
Cover it is sufficiently sealed after, switch plectrum triggers microswitch again, stops exhaust motor operation, so as to further ensure exhaust dress
Put the sealing after exhaust resets.
Supporting mechanism is provided with inventive shell, supporting mechanism is made up of the first guide rod and multiple stiffener plates, and first leads
Bar is vertically arranged, is connected positioned at multiple stiffener plate the inners center, and with stiffener plate, stiffener plate outer end and shell
Body is fixed；Second guide rod is located on the inside of the first guide rod, and the first guide rod is provided with strip through-hole.
Inventive shell, stiffener plate are hollow out design, housing, stiffener plate, exhaust sealing lid by carbon fiber and
PMI hard boards are made, and the first guide rod, the second guide rod are made by carbon fibre material；Each part of actuating unit closes by aluminium
Golden material is made, and further ensures light quality of the present invention, sound construction, the performance being easily assembled.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is transmission structures schematic diagram of the present invention；
Fig. 3 is inventive shell inner supporting structure schematic diagram；
Fig. 4 is exhaust sealing lid structural representation of the present invention；
Fig. 5 is the structural representation of A portions enlarged drawing microswitch part i.e. of the present invention；
Fig. 6 is the structural representation of hermetic unit of the present invention.
Embodiment
As shown in figure 1, the bottom of housing 2 is provided with exhaust sealing lid 3；Actuating unit 1 is provided with housing 2, for driving
Exhaust sealing lid 3 moves up and down.Housing 2, exhaust sealing lid 3 are rounded.As shown in fig. 6, along the circumferential direction set below housing
There is trapezoidal punch-pin 15, the exhaust sealing side of covering along the circumferential direction is correspondingly provided with trapezoidal cavity plate 16, the punch-pin 15 and the phase of cavity plate 16
Cooperatively form sealing.
As shown in Fig. 2, Fig. 1, actuating unit has leading screw 4, feed screw nut 5, drive block 6, and leading screw 4 is vertically arranged,
Rotation can be driven through deceleration thermomechanical components 7 by exhaust motor, feed screw nut 5 is arranged on leading screw 4, can be upper and lower under the drive of leading screw 4
Motion, drive block 6 can move up and down under the drive of feed screw nut 5.Spring 8 is provided between feed screw nut 5 and drive block 6, is driven
Block 6 is installed on the rail 9, and guide rail 9 is located at the outside of leading screw 4.
As shown in Fig. 4, Fig. 1, the top of exhaust sealing lid 3 connects the second guide rod 10, and the second guide rod 10 is vertically arranged, the second guide rod
10 external reinforcements 11.Second guide rod 10 connects drive block 6, and the second guide rod 10 is provided with travel switch plectrum；Such as Fig. 5, Fig. 1 institute
Show, upper and lower stroke microswitch 18 is provided with housing, and microswitch 18 is arranged on mounting blocks 17.By travel switch plectrum control
System, for controlling the start and stop of exhaust motor.During implementation, microswitch 18 uses Avionic Products, has cold-resistant low temperature resistant
Good characteristic.
As shown in Fig. 3, Fig. 1, supporting mechanism is provided with housing, supporting mechanism is by the first guide rod 12 and multiple stiffener plates 13
Composition, the first guide rod 12 is vertically arranged, is connected admittedly positioned at multiple 13 inner centers of stiffener plate, and with stiffener plate 13
Fixed, the outer end of stiffener plate 13 and the inner side of housing 2 are fixed；Second guide rod is located at the inner side of the first guide rod 12, and the first guide rod 12 is provided with bar
Shape through hole.
Above-mentioned housing 2, stiffener plate 13 are hollow out design, and housing 2, stiffener plate 13, exhaust sealing lid 3 are fine by carbon
Peacekeeping PMI hard boards are made, and the first guide rod 12, the second guide rod 10 are made by carbon fibre material；1 each part of actuating unit
It is made by aluminum alloy materials.
When aerostatics goes up to the air, start exhaust motor, exhaust motor drives leading screw 4 to rotate through deceleration thermomechanical components 7, feed screw nut
5 drive exhaust sealing lid 3 slowly to move downward through drive block 6, and when reaching the stroke of design, the switch on the second guide rod 10 is dialled
Piece triggers down stroke microswitch, exhaust motor stalling, and valve reaches maximum opening travel.
When aerostatics reaches stable state, exhaust motor drives leading screw 4 to invert, and feed screw nut 5 drives through drive block 6 and is vented
The slowly motion upwards of closure 3, the switch plectrum triggering up stroke when exhaust sealing lid fastens sealing on the second guide rod 10 are micro-
Dynamic switch, exhaust motor stalling.Spring 8 between feed screw nut 5 and drive block 6 is used as buffer element, makes exhaust sealing lid first
Sealing strip is first compressed, reaches sealing effectiveness, then exhaust motor is rotated further by a small meeting youngster, then triggers microswitch, the row of avoiding
The problem of air sealing cover is not also completely closed, and switch plectrum just triggers microswitch, and motor just stalls, can ensure be vented
After closure is sufficiently sealed, switch plectrum triggers microswitch again, stops exhaust motor operation, so as to further ensure exhaust
Sealing of the device after exhaust resets.
Claims (7)
1. a kind of aerostatics zero pressure difference circular gas-discharge unit, including housing, it is characterised in that：Housing bottom is provided with exhaust sealing
Lid；Actuating unit is provided with housing, for driving exhaust sealing lid to move up and down；Housing, exhaust sealing lid are rounded；
Trapezoidal punch-pin is along the circumferential direction provided with below housing, the exhaust sealing side of covering along the circumferential direction is correspondingly provided with trapezoidal cavity plate, described
Punch-pin is engaged to form sealing with cavity plate.
2. aerostatics zero pressure difference circular gas-discharge unit according to claim 1, it is characterised in that：Actuating unit has
Leading screw, feed screw nut, drive block, leading screw is vertically arranged, can be driven and rotated by exhaust motor, and feed screw nut is arranged on leading screw,
It can be moved up and down under leading screw drive, drive block can move up and down under feed screw nut drive.
3. aerostatics zero pressure difference circular gas-discharge unit according to claim 2, it is characterised in that：Feed screw nut and drive block
Between be provided with spring, drive block is arranged on guide rail, and guide rail be located at leading screw outside.
4. aerostatics zero pressure difference circular gas-discharge unit according to claim 3, it is characterised in that：The exhaust sealing portion of covering connects
Second guide rod, the second guide rod is vertically arranged, and the second guide rod connects drive block.
5. aerostatics zero pressure difference circular gas-discharge unit according to claim 4, it is characterised in that：Second guide rod is provided with row
Cheng Kaiguan plectrums；Upper and lower stroke microswitch is provided with housing, is controlled by travel switch plectrum, for controlling exhaust motor
Start and stop.
6. aerostatics zero pressure difference circular gas-discharge unit according to claim 5, it is characterised in that：Support machine is provided with housing
Structure, supporting mechanism are made up of the first guide rod and multiple stiffener plates, and the first guide rod is vertically arranged, inner positioned at multiple stiffener plates
Center, and be connected with stiffener plate, stiffener plate outer end is fixed with housing；Second guide rod is located in the first guide rod
Side, the first guide rod are provided with strip through-hole.
7. aerostatics zero pressure difference circular gas-discharge unit according to claim 6, it is characterised in that：Housing, stiffener plate are equal
Designed for hollow out, housing, stiffener plate, exhaust sealing lid are made by carbon fiber and PMI hard boards, and the first guide rod, second are led
Bar is made by carbon fibre material；Each part of actuating unit is made by aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738251.3A CN107651159B (en) | 2017-08-24 | 2017-08-24 | Aerostatics zero pressure differential circular exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738251.3A CN107651159B (en) | 2017-08-24 | 2017-08-24 | Aerostatics zero pressure differential circular exhaust apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107651159A true CN107651159A (en) | 2018-02-02 |
| CN107651159B CN107651159B (en) | 2020-01-14 |
Family
ID=61127882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710738251.3A Active CN107651159B (en) | 2017-08-24 | 2017-08-24 | Aerostatics zero pressure differential circular exhaust apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107651159B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11824253B2 (en) | 2020-03-02 | 2023-11-21 | Husqvarna Ab | Transmitter device |
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|---|---|---|---|---|
| CN2848734Y (en) * | 2005-09-16 | 2006-12-20 | 孟庆华 | Domestic grain storage box |
| CN200995834Y (en) * | 2007-01-12 | 2007-12-26 | 金春斌 | Sealed article container |
| CN102700703A (en) * | 2012-06-05 | 2012-10-03 | 中国电子科技集团公司第三十八研究所 | Air intake and exhaust device and aerostat with same |
| CN203450546U (en) * | 2013-11-21 | 2014-02-26 | 纪腾云 | Box cover structure of injection molding food container |
| CN104029812A (en) * | 2014-06-25 | 2014-09-10 | 中国科学院光电研究院 | Electric control valve and stratospheric airship intake and exhaust integrated device |
| CN104132176A (en) * | 2014-07-18 | 2014-11-05 | 中国科学院光电研究院 | Photoelectric control valve of aerostat |
| CN105129067A (en) * | 2015-07-16 | 2015-12-09 | 中国科学院光电研究院 | Current limiting closed exhaust valve used for aerostat and control method used for limiting same |
| RU2588364C1 (en) * | 2015-02-02 | 2016-06-27 | Акционерное общество "Долгопрудненское конструкторское бюро автоматики" (АО "ДКБА") | Device for automatic gas valve of airship |
| CN107013734A (en) * | 2017-06-02 | 2017-08-04 | 陈丽端 | Electrically operated valve opens and closes protection device |
-
2017
- 2017-08-24 CN CN201710738251.3A patent/CN107651159B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2848734Y (en) * | 2005-09-16 | 2006-12-20 | 孟庆华 | Domestic grain storage box |
| CN200995834Y (en) * | 2007-01-12 | 2007-12-26 | 金春斌 | Sealed article container |
| CN102700703A (en) * | 2012-06-05 | 2012-10-03 | 中国电子科技集团公司第三十八研究所 | Air intake and exhaust device and aerostat with same |
| CN203450546U (en) * | 2013-11-21 | 2014-02-26 | 纪腾云 | Box cover structure of injection molding food container |
| CN104029812A (en) * | 2014-06-25 | 2014-09-10 | 中国科学院光电研究院 | Electric control valve and stratospheric airship intake and exhaust integrated device |
| CN104132176A (en) * | 2014-07-18 | 2014-11-05 | 中国科学院光电研究院 | Photoelectric control valve of aerostat |
| RU2588364C1 (en) * | 2015-02-02 | 2016-06-27 | Акционерное общество "Долгопрудненское конструкторское бюро автоматики" (АО "ДКБА") | Device for automatic gas valve of airship |
| CN105129067A (en) * | 2015-07-16 | 2015-12-09 | 中国科学院光电研究院 | Current limiting closed exhaust valve used for aerostat and control method used for limiting same |
| CN107013734A (en) * | 2017-06-02 | 2017-08-04 | 陈丽端 | Electrically operated valve opens and closes protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11824253B2 (en) | 2020-03-02 | 2023-11-21 | Husqvarna Ab | Transmitter device |
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| Publication number | Publication date |
|---|---|
| CN107651159B (en) | 2020-01-14 |
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