CN106741817A - A kind of valving near space dirigible - Google Patents
A kind of valving near space dirigible Download PDFInfo
- Publication number
- CN106741817A CN106741817A CN201611252159.8A CN201611252159A CN106741817A CN 106741817 A CN106741817 A CN 106741817A CN 201611252159 A CN201611252159 A CN 201611252159A CN 106741817 A CN106741817 A CN 106741817A
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- CN
- China
- Prior art keywords
- valve cover
- valving
- pedestal
- valve
- linkage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
- B64B1/64—Gas valve operating mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention provides a kind of valving near space dirigible, including：Pedestal, the pedestal has gas vent；Valve cover, the valve cover is arranged on the top surface of the pedestal, wherein, the valve cover is pivotally connected to open or close the gas vent with the pedestal；Drive mechanism, the drive mechanism is fixed on the bottom surface of the pedestal；Linkage, one end of the linkage is pivotally connected with the drive mechanism, and the other end of the linkage is pivotally connected through the gas vent with the valve cover；Controller, the controller controls drive mechanism, and then drives the linkage so that the valve cover can move pivotally relative to the pedestal, to open or close the gas vent.Additionally, valving also has limiter and cutter sweep.The present invention uses link transmission structure and the emergent cutter sweep of valve, with reliability and emergency capability higher.
Description
Technical field
The invention belongs to field of aerospace technology, more particularly near space dirigible valving.
Background technology
Near space dirigible carrys out balancing gravity and realizes lifting by quiet buoyancy.In flight envelope, kayak body utricule is controlled
Air inflow, utricule inside and outside differential pressure be extremely important link.Therefore, it is to realize near space dirigible stabilization that ship carries valving
Lift-off and the key equipment of safe falling.Using the valve of conventional design, when valve is closed because idle running often has gas leakage,
And in the case where valve breaks down, it is impossible to continue to make effectively control and flown with ensureing the safety of near space dirigible
OK, thus safety coefficient is not high.
The content of the invention
The purpose of the present invention is to overcome the above-mentioned problems in the prior art, particularly solves to close on sky in the prior art
Between dirigible load gas flow regulation, the control of near space dirigible utricule inside and outside differential pressure when breaking down can the emergent plan of quick separating
Slightly.The purpose of the present invention is achieved through the following technical solutions.
The invention provides a kind of valving near space dirigible, the valving includes：Pedestal, it is described
Pedestal has gas vent；Valve cover, the valve cover is arranged on the top surface of the pedestal, wherein, the valve cover with it is described
Pedestal is pivotally connected to open or close the gas vent；Drive mechanism, the drive mechanism is fixed on the bottom surface of the pedestal
On；Linkage, one end of the linkage is pivotally connected with the drive mechanism, and the other end of the linkage is passed through
The gas vent is pivotally connected with the valve cover；Controller, the controller control drive mechanism operating, and then drive described
Connecting rod mechanism movement so that the valve cover can move pivotally relative to the pedestal, to open or close the deflation
Mouthful.
Further, the valving also includes：It is arranged on the first limiter in the base top surface；It is arranged on institute
State the first strut device on valve cover and corresponding with the first limiter position；Wherein, when the valving is in
During normally closed state, the switch contact that first strut device on the valve cover presses first limiter makes it
Closure, sends the valve cover and closes gas vent feedback signal in place to the controller.
Further, the valving also includes：It is arranged on the silicon rubber loop on the pedestal；Wherein, when described
When valve cover moves to closing position, the gas pressure that the tightening force of the linkage and the valve cover inside and outside differential pressure are produced
Be pressed on the silicon rubber loop on the pedestal by power.
Preferably, the pedestal includes valve lid support, and the valve cover is pivoted by axle with the valve lid support and connected
Connect；The valving also includes setting is used for the rotation change device for measuring the valve cover anglec of rotation on the shaft, and the rotation becomes device
The valve cover rotation angle value of measurement is sent to the controller.
Preferably, the drive mechanism includes：Motor；The worm screw being connected with the output shaft of the motor；Connect
It is worm gear, the worm gear and the worm engaging.
Further, the valving also includes：Second depression bar, second depression bar is consolidated with the power transmission shaft of the worm gear
Fixed connection；It is arranged on the second limiter in the base bottom surface；Wherein, when needing to open the valve cover, the control
Device sends electric signal rotates the motor, drives the worm screw to rotate, and the worm screw drives the worm gear wheel, and then
The linkage is driven to act so that the valve cover is opened, when the valve cover is turned to reaches position, institute
The contact that second depression bar on power transmission shaft compresses second limiter is stated, second limiter is produced and reaches a signal
And the controller is fed back to, the controller stops powering the motor.
Preferably, the linkage includes：First joint arm, first joint arm is arranged on the power transmission shaft；Second
Joint arm, one end and the valve cover of second joint arm are pivotally connected, the other end and the first segment of second joint arm
Arm is pivotally connected.
Preferably, the valve cover has boss on away from the face of the pedestal, and the valving also includes setting
Cutter sweep on the valve cover, wherein, when the valve cover due to failure can not open or it is stuck in certain position when,
The controller sends the instruction cut to valve cover.
Preferably, the valving also includes transfer panel, and the transfer panel is fixed in the base bottom surface, the valve
Door gear is fixed on the utricule of the dirigible by the transfer panel.
Preferably, the valving also includes air plug and associated tracks, and the air plug is fixed on the pedestal or institute
State on transfer panel, cutoff signal is delivered to by the cutter sweep by the air plug and wire, the cutter sweep is being received
The boss on the valve cover is cut off after to cutoff signal, so that the failure of valve cover failure is excluded, the cutter sweep
The signal that the boss has been cut is fed back, the utricule discharge loads gas.The advantage of the invention is that：With existing valve skill
Art is compared, of the invention because using link transmission structure and the emergent cutter sweep of valve, with reliability and emergency capability higher.
Linkage is larger to improve valve cover Air Leakage Defect in closed state in traditional design, can be real-time using limit switch
The state of feedback regulation device, enhances the reliability of valving.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 shows valve cover schematic diagram of the invention；
Fig. 2 shows that valving of the invention normally opens schematic diagram；
Fig. 3 shows valving transmission mechanism schematic diagram of the invention；
Fig. 4 shows schematic diagram after valving cutting boss of the invention；
Fig. 5 shows valving normally closed schematic diagram of the invention.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely, there is provided these implementation methods are able to be best understood from the disclosure, and can be by this public affairs
The scope opened it is complete convey to those skilled in the art.
Valving provided by the present invention near space dirigible is mounted adjacent on the dirigible of space, is filled by valve
Air inflow, utricule inside and outside differential pressure of control kayak body utricule etc. are put, preferred valve device is arranged on utricule by transfer panel.According to
Embodiments of the present invention, from Fig. 1,2,3, valving includes：Pedestal 21, valve cover 11, drive mechanism, connecting rod machine
Structure, control system (not shown) etc..Wherein, pedestal has gas vent, for being vented, air inlet.The valve cover is arranged on institute
State in base top surface, the valve cover is pivotally connected with pedestal, such that it is able to closing or opening gas vent.Preferably, in base
A valve lid support 13 is set on seat, valve cover is connected by axle with valve lid support 13, i.e., valve cover can be carried out around axle
Rotation.Drive mechanism is fixed with the bottom surface of pedestal 21, the drive mechanism includes：Motor 31 and the motor are defeated
Worm screw 32, worm gear 33, depression bar 35, power transmission shaft 34, worm gear and the worm engaging of shaft connection, power transmission shaft are fixedly connected on worm gear
Together, depression bar is fixed together with power transmission shaft.Preferably, drive installation bearing 22 is provided with base bottom surface, is driven
Mechanism is fixed on pedestal 21 by bearing 22.Linkage includes the first joint arm 36, the second joint arm 37, and the first joint arm is arranged on
On above-mentioned power transmission shaft 34, second joint arm one end is pivotally connected with valve cover is stated, and the other end is pivotally connected with the first joint arm.It is preferred that
Ground, is provided with connecting rod rack 23 on valve cover, and the second joint arm 37 is connected by axle with the axle of connecting rod rack 23.Additionally, at this
In embodiment, the first joint arm 36 uses two, and its one end is connected to the two ends (symmetric mode) of power transmission shaft 34, the first joint arm
36 other end is rotatably connected by axle with the second joint arm 37.From accompanying drawing, the one end of the second joint arm 37 passes through the gas vent
It is pivotally connected with connecting rod rack 23.In the present invention, controller control drive mechanism, and then drive link mechanism causes valve cover phase
Gas vent is turned on or off to pedestal rotary motion, and then controls air inflow, the utricule inside and outside differential pressure of kayak body utricule.
In order to feed back corresponding signal when being closed in valve cover, opened, the first limiter 25 is provided with the top surface of pedestal 21,
The first strut device 15 is provided with the valve cover and with the first limiter position corresponding；When valve dress
Put during in normally closed state (as shown in Figure 5), it is spacing that first strut device 15 on the valve cover presses first
The switch contact of device 25 closes it, and the first limiter 25 sends valve cover and closes gas vent feedback signal in place to control
Device.Especially, check bracket 24 is provided with pedestal 21, the first limiter 25 is fixed on check bracket 24.This is spacing
Device only stays switch contact outside, when the strut device positioned at valve on this is moved at contact downward or upward, band movable contact
Motion makes the switch opening of limiter or closure realize its state feedback function.
The second limiter 42 is additionally provided with the bottom surface of pedestal 21, when needing to open valve cover 11, the controller hair
Going out electric signal rotates the motor 31, drives worm screw 32, worm gear 33 to rotate, and then it is dynamic to drive the linkage to occur
Make so that the valve cover opens (as shown in Figure 2), when valve cover is turned to reaches position, the institute on the power transmission shaft
The contact that the second depression bar 35 compresses second limiter 42 is stated, the generation of the second limiter reaches a signal and feeds back to the control
Device processed, the controller stops powering the motor.
In order to improve sealing, valving also includes：The sealing device on pedestal is arranged on, the sealing device is by connecting
Fitting such as bolt, screw are fixed on pedestal 21.Preferably, the sealing device uses silicon rubber loop 27, is further modified silicon
Rubber ring.The closure start of valve is similar with opening effect, when valve cover moves to closing position, is supplied to by worm-gear self-locking
Be pressed on silicon rubber loop on valve pedestal by the gas pressure that the tightening force and utricule inside and outside differential pressure of interlinking lever end are produced, it is ensured that valve
The air-tightness of door.
In order to measure the angle that valve cover is turned over, rotation is provided with valve lid support 13 and valve cover connecting shaft and becomes device 14
(becoming device using the rotation of existing axle), the rotation becomes device and the valve cover rotation angle value of measurement is transferred into controller.Additionally, in pedestal
The 21 utricule differential pressure measurement devices that double remainings are provided near utricule side, the differential pressure measurement device is connected with controller.In this reality
Shi Zhong, utricule differential pressure measurement device is preferably pressure measurement valve 26 and corresponding differential pressure pickup, and pressure measurement valve 26 is four pressure measurement gas
Mouth, can reliably measure the inside and outside differential pressure of utricule.Four pressure measurement valves 26 are threaded, can directly with valve pedestal on spiral shell
Hole links together.
In the case of being broken down in valve, can continue to make effectively controlling to ensure stratosphere aerostatics
Safe flight, the present invention devises cutter sweep to realize the function of valve quick separating, carries out emergency landing operation.Specifically
Ground, as shown in Fig. 1,4, valve cover has boss 12 on the face away from pedestal, and the boss is designed using hollow boss, it is ensured that
When cutting away the boss, valve cover produces opening to discharge the gas inside utricule.Cutter sweep (figure is additionally provided with valve cover
It is not shown), the cutter sweep can use existing rapid cutting device.The cutter sweep is preferably by the installation on valve cover
Part 16 is fixed on valve cover.When valve cover due to failure can not open or it is stuck in certain position when, controller hair
Go out valve cover cutting instruction to cutter sweep, cutter sweep ignites line of cut immediately after receiving above-mentioned instruction, by valve cover boss
Quickly cut away to discharge gas in utricule.
In the present embodiment, transfer panel 41 is connected with the base bottom surface, the valving is solid by transfer panel 41
It is scheduled near space dirigible utricule.Transfer panel 41 is connected with pedestal by connectors such as screw, bolts.In order to control cutting to fill
Put, air plug is fixed with pedestal or transfer panel 41, transfer panel 41 is preferably fixed on by air plug support 45, in the present embodiment
Middle valving has including air plug 1, air plug 2 43, and air plug 2 43 is fixed on transfer panel by air plug support 45, air plug one
44 are directly anchored on pedestal, and two air plugs are connected with controller respectively.Above-mentioned two air plug can be applied to fly using existing
Air plug on ship, cutter sweep is delivered to by the air plug by cutoff signal, and cutter sweep receives cutoff signal excision institute
The boss on valve cover is stated, the failure of valve cover failure is excluded, cutter sweep feeds back valve cover boss cutoff signal, institute
State utricule discharge and load gas.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.
Claims (10)
1. a kind of valving near space dirigible, it is characterised in that the valving includes：
Pedestal, the pedestal has gas vent；
Valve cover, the valve cover is arranged on the top surface of the pedestal, wherein, the valve cover is pivotally connected with the pedestal
To open or close the gas vent；
Drive mechanism, the drive mechanism is fixed on the bottom surface of the pedestal；
Linkage, one end of the linkage is pivotally connected with the drive mechanism, and the other end of the linkage is worn
The gas vent is crossed to be pivotally connected with the valve cover；
Controller, the controller controls drive mechanism, and then drives the linkage so that the valve cover can be relative
Moved pivotally in the pedestal, to open or close the gas vent.
2. valving according to claim 1, it is characterised in that the valving also includes：
It is arranged on the first limiter in the base top surface；
It is arranged on the first strut device on the valve cover and corresponding with the first limiter position；
Wherein, when the valving is in normally closed state, first strut device on the valve cover presses
The switch contact of first limiter closes it, sends the valve cover and closes gas vent feedback signal in place extremely
The controller.
3. valving according to claim 2, it is characterised in that the valving also includes：
It is arranged on the silicon rubber loop on the pedestal；
Wherein, when the valve cover moves to closing position, inside and outside the tightening force of the linkage and the valve cover
Be pressed on the silicon rubber loop on the pedestal by the gas pressure that pressure difference is produced.
4. valving according to claim 1, it is characterised in that the pedestal includes valve lid support, the valve
Lid is pivotally connected with the valve lid support by axle；The valving also includes setting be used on the shaft measuring valve
The rotation of the lid anglec of rotation becomes device, and the rotation becomes device and the valve cover rotation angle value of measurement is passed into the controller.
5. valving according to claim 1, it is characterised in that the drive mechanism includes：
Motor；
The worm screw being connected with the output shaft of the motor；
Worm gear, the worm gear and the worm engaging.
6. valving according to claim 5, it is characterised in that the valving also includes：
Second depression bar, second depression bar is fixedly connected with the power transmission shaft of the worm gear；
It is arranged on the second limiter in the base bottom surface；
Wherein, when needing to open the valve cover, the controller sends electric signal rotates the motor, drives institute
Worm screw rotation is stated, the worm screw drives the worm gear wheel, and then drives the linkage to act so that the valve
Lid is opened, and when the valve cover is turned to reaches position, it is spacing that the depression bar on the power transmission shaft compresses described second
The contact of device, second limiter produces and reaches a signal and feed back to the controller, and the controller stops to described
Motor is powered, and so far, the valve cover stabilization is reaching a position.
7. valving according to claim 5, it is characterised in that the linkage includes：
First joint arm, first joint arm is arranged on the power transmission shaft；
Second joint arm, one end and the valve cover of second joint arm are pivotally connected, the other end of second joint arm and institute
The first joint arm is stated to be pivotally connected.
8. valving according to claim 1, it is characterised in that the valve cover has on away from the face of the pedestal
There is boss, the valving also includes the cutter sweep being arranged on the valve cover, wherein, when the valve cover is due to machine
Tool failure can not be opened or stuck at certain position, and the controller sends the instruction cut to valve cover.
9. valving according to claim 8, it is characterised in that the valving also includes transfer panel, described turn
Connect disk to be fixed in the base bottom surface, the valving is fixed on the utricule of the dirigible by the transfer panel.
10. valving according to claim 9, it is characterised in that the valving also includes air plug and wire, institute
State air plug to be fixed on the pedestal or the transfer panel, cutoff signal is delivered to by described cutting by the air plug and wire
Device is cut, the cutter sweep cuts off the boss on the valve cover after cutoff signal is received, so as to exclude valve
The failure of lid failure, the cutter sweep feeds back the signal that the boss has been cut, and the utricule discharge loads gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252159.8A CN106741817A (en) | 2016-12-30 | 2016-12-30 | A kind of valving near space dirigible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252159.8A CN106741817A (en) | 2016-12-30 | 2016-12-30 | A kind of valving near space dirigible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106741817A true CN106741817A (en) | 2017-05-31 |
Family
ID=58928501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611252159.8A Pending CN106741817A (en) | 2016-12-30 | 2016-12-30 | A kind of valving near space dirigible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106741817A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651160A (en) * | 2017-08-24 | 2018-02-02 | 北京航空航天大学 | A kind of aerostatics zero pressure difference fan leaf type exhaust apparatus |
| CN107804471A (en) * | 2017-10-20 | 2018-03-16 | 中国科学院光电技术研究所 | A kind of retraction device for carrying photoelectric nacelle |
| CN108167446A (en) * | 2017-11-30 | 2018-06-15 | 北京天恒长鹰科技股份有限公司 | For the double remaining valvings of connecting rod of near space dirigible |
| CN109606561A (en) * | 2018-12-29 | 2019-04-12 | 武汉武船特种船艇有限责任公司 | A kind of ship headstock gear |
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| CN205370244U (en) * | 2016-03-09 | 2016-07-06 | 福建工程学院 | Automatically controlled formula bonnet opening device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107651160A (en) * | 2017-08-24 | 2018-02-02 | 北京航空航天大学 | A kind of aerostatics zero pressure difference fan leaf type exhaust apparatus |
| CN107804471A (en) * | 2017-10-20 | 2018-03-16 | 中国科学院光电技术研究所 | A kind of retraction device for carrying photoelectric nacelle |
| CN108167446A (en) * | 2017-11-30 | 2018-06-15 | 北京天恒长鹰科技股份有限公司 | For the double remaining valvings of connecting rod of near space dirigible |
| CN108167446B (en) * | 2017-11-30 | 2019-09-10 | 北京天恒长鹰科技股份有限公司 | Connecting rod double redundancy valving near space dirigible |
| CN109606561A (en) * | 2018-12-29 | 2019-04-12 | 武汉武船特种船艇有限责任公司 | A kind of ship headstock gear |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |