CN107269851A - A kind of air pressure adjustment valve and aerostatics with anti-icing and deicing function - Google Patents
A kind of air pressure adjustment valve and aerostatics with anti-icing and deicing function Download PDFInfo
- Publication number
- CN107269851A CN107269851A CN201710453064.0A CN201710453064A CN107269851A CN 107269851 A CN107269851 A CN 107269851A CN 201710453064 A CN201710453064 A CN 201710453064A CN 107269851 A CN107269851 A CN 107269851A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve element
- air pressure
- heating
- icing
- Prior art date
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Temperature-Responsive Valves (AREA)
- Details Of Valves (AREA)
- Surface Heating Bodies (AREA)
Abstract
The invention discloses a kind of air pressure adjustment valve and aerostatics with anti-icing and deicing function, the heating film is arranged on the inner surface of valve element, the heating film includes tack coat, interior thermally conductive insulating layer, zone of heating, outer thermally conductive insulating layer and the heat insulation layer being sequentially connected from the inside to the outside, the tack coat is bonded in the inner surface of valve element, the temperature sensor is arranged on the inner surface of valve element, and the sealing ring is encapsulated in the edge of valve element；The heating power of the heating film meets below equation：P≥(cpmΔ τ+h) VA ω, wherein：P is heating film rated power；cpmFor specific heat capacity, Δ τ is that environment temperature and target temperature are poor, and h is the specific enthalpy of ice-out；V is the vertical speed of utricule where valve；A is the surface area of valve element；ω is ambient liquid water content.The present invention ensure that the moving part of valve being capable of deicing after the heating after freezing；Sealing ring does not absorb moisture but sufficiently flexible, can form sealing but not be frozen；Rain-proof strip around valve can prevent rainwater from being accumulated on valve, reduce the icing scale of construction.
Description
Technical field
The present invention relates to a kind of valving of aerostatics, more particularly to a kind of air pressure with anti-icing and deicing function
Control valve and aerostatics.
Background technology
The instrument that valve interrupts selection or seal pressure regulation as a kind of circulation of fluid media (medium) has been widely used in
Whether reasonable the every field of industry, it fine or not and be most important to the safety and economic operation of system, especially for micro-
The aerostatics of pressure difference.The air pressure adjustment valve that the aerostatics such as balloon, dirigible are used, the work with regulation aerostatics pressure
With aerostatics has the danger of superpressure utricule explosion if valve can not be opened normally, if valve is unable to normal switching-off floating
Device has that pressure difference is too small can not to keep the risk of aerodynamic configuration.
, mainly there are machinery or electronic failure the reason for influence valve normal either on or off, and aerostatics is flying for round-the-clock running
Row device, use environment includes the extreme weathers such as sleet, hail, and when the bonnet of aerostatics valve is frozen, valve can not
Open；When aerostatics valve is in open mode, sealing can not be formed by snow and ice cover, valve at sealing.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of air pressure tune with anti-icing and deicing function
Valve and aerostatics are saved, is realized by active heating and passive deicing.
The present invention is achieved by the following technical solutions, and the present invention includes valve element, heating film, temperature sensor and sealing
Circle, the heating film is arranged on the inner surface of valve element, tack coat that the heating film includes being sequentially connected from the inside to the outside, interior heat conduction
Insulating barrier, zone of heating, outer thermally conductive insulating layer and heat insulation layer, the tack coat are bonded in the inner surface of valve element, the TEMP
Device is arranged on the inner surface of valve element, and the sealing ring is encapsulated in the edge of valve element；The heating power of the heating film meets following
Formula：
P≥(cpmΔ τ+h) VA ω,
Wherein：P is heating film rated power；cpmFor specific heat capacity, Δ τ is that environment temperature is poor with target temperature, and h is ice-out
Specific enthalpy；V is the vertical speed of utricule where valve；A is the surface area of valve element；ω is ambient liquid water content.
As one of preferred embodiment of the present invention, the heating film matches with valve element, the heating film be it is square or
It is circular.
One of preferred embodiment as the present invention, the tack coat is fixed on the inner surface of valve element by heat conductive silica gel.
As one of preferred embodiment of the present invention, the air pressure adjustment valve also includes rain-proof strip, and the rain-proof strip is along valve
Core outer surface is arranged on the periphery of valve element vertically downward.
One of preferred embodiment as the present invention, periphery of the rain-proof strip along valve element constitutes square or border circular areas.
One of preferred embodiment as the present invention, the temperature sensor detects temperature less than 0 DEG C, and driving zone of heating adds
Heat, when temperature sensor detects temperature higher than 10 DEG C, stops heating.
One of preferred embodiment as the present invention, the sealing ring is made up of the silastic material not absorbing water.
One of preferred embodiment as the present invention, the heating film is replaced using heater strip.
Air pressure adjustment valve as mentioned is used on a kind of aerostatics, the aerostatics.
The air pressure adjustment valve is arranged on the bottom of aerostatics utricule, and bottom of the rain-proof strip along aerostatics utricule is set
Put in the periphery of valve element.
The present invention has advantages below compared with prior art：The present invention ensure that the moving part of valve can after freezing
Deicing after the heating；Sealing ring does not absorb moisture but sufficiently flexible, can form sealing but not be frozen；Rain-proof around valve
Bar can prevent rainwater from being accumulated on valve, reduce the icing scale of construction.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view of heating film；
Fig. 3 is the structural representation of the bottom of aerostatics utricule；
Fig. 4 is Fig. 3 upward view.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
As shown in figures 1-4, the air pressure adjustment valve 1 that the bottom of the aerostatics utricule 7 of the present embodiment is used.
The valve 1 of the present embodiment includes valve element 4, heating film 2, temperature sensor 5, sealing ring 3 and rain-proof strip 6, described to add
Hotting mask 2 is arranged on the inner surface of valve element 4, and the heating film 2 includes tack coat 21, the interior heat conductive insulating being sequentially connected from the inside to the outside
Layer 22, zone of heating 23, outer thermally conductive insulating layer 24 and heat insulation layer 25, tack coat 21 are fixed on the interior table of valve element 4 by heat conductive silica gel
Face, the temperature sensor 5 is arranged on the inner surface of valve element 4, and the sealing ring 3 is encapsulated in the edge of valve element 4, the rain-proof strip
6 are arranged on the periphery of valve element 4 along the outer surface of the bottom of aerostatics utricule 7 vertically downward.
Heater strip can also be used to replace the heating film in other embodiment, but heater strip or heating film are needed also exist for
Meet the formula of following heating power.
The heating power of the heating film 2 meets below equation：
P≥(cpmΔ τ+h) VA ω,
Wherein：P is the rated power of heating film 2；cpmFor specific heat capacity, Δ τ is that environment temperature is poor with target temperature, and h melts for ice
The specific enthalpy of change；V is the vertical speed of the place utricule 7 of valve 1；A is the surface area of valve element 4；ω is ambient liquid water content.
Heating film 2 is of five storeys altogether, and centre is the zone of heating 23 of heating film 2, and the both sides of zone of heating 23 are the interior Hes of thermally conductive insulating layer 22
Outer thermally conductive insulating layer 24, outermost layer is that heat insulation layer 25 can reduce thermal loss.The heating film 2 of the present embodiment and the phase of valve element 4
Match somebody with somebody, the heating film 2 is circle.
The temperature sensor 5 detects temperature less than 0 DEG C, and driving zone of heating 23 is heated, when temperature sensor 5 is detected
Temperature is higher than 10 DEG C, stops heating, prevents overheat.
Valve element 4 is sealed with the formation of sealing ring 3 under spring force in Fig. 1, and sealing ring 3 is soft silicon rubber material,
Moisture is not absorbed, prevents under low temperature freezing together with valve element 4, influence valve 1 is opened.
As shown in Figure 3 and Figure 4, the rain-proof strip 6 of the present embodiment along valve element 4 periphery constitute border circular areas, when rainwater along
When utricule 7 flows to valve 1, rain-proof strip 6 plays blocking effect, and rainwater forms water droplet at rain-proof strip 6 and fallen or around flowing through valve 1
Region.
In other embodiment, multiple electronic equipments for needing rain-proof can share the rain-proof region of the formation of rain-proof strip 6.
The present invention using actively heat deicing formula with passively mechanical anti-icing formula be combined by the way of come prevent valve 1 freeze or
Deicing, can effectively ensure that the moving part valve element 4 of valve 1 is not frozen before opening, after valve element 4 is opened at sealing ring 3 not
Form accumulated ice.Wherein actively heat deicing and refer to and heated with heating film 2 to valve element 4, it is ensured that valve 1 can be just in the case of having icing
Often open or close.One of wherein passive anti-icing mode refers to that valve 1 is provided with rain-proof strip 6 on aerostatics installation site periphery,
Anti- falling stop is flowed on valve 1 and glaciation at low temperature in the rainwater on aerostatics surface；Wherein passively the two of anti-icing mode are
Refer to soft silicon rubber material of the sealing ring 3 of valve 1 from unwetted, prevent the water suction of sealing ring 3 to be frozen and lost sealing
Effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of air pressure adjustment valve with anti-icing and deicing function, it is characterised in that including valve element, heating film, TEMP
Device and sealing ring, the heating film are arranged on the inner surface of valve element, and the heating film includes the bonding being sequentially connected from the inside to the outside
Layer, interior thermally conductive insulating layer, zone of heating, outer thermally conductive insulating layer and heat insulation layer, the tack coat is bonded in the inner surface of valve element, described
Temperature sensor is arranged on the inner surface of valve element, and the sealing ring is encapsulated in the edge of valve element；The heating power of the heating film
Meet below equation：
P≥(cpmΔ τ+h) VA ω,
Wherein：P is heating film rated power；cpmFor specific heat capacity, Δ τ is that environment temperature and target temperature are poor, and h is the ratio of ice-out
Enthalpy；V is the vertical speed of utricule where valve；A is the surface area of valve element；ω is ambient liquid water content.
2. a kind of air pressure adjustment valve with anti-icing and deicing function according to claim 1, it is characterised in that described to add
Hotting mask matches with valve element, and the heating film is square or circle.
3. a kind of air pressure adjustment valve with anti-icing and deicing function according to claim 1, it is characterised in that described viscous
Knot layer is fixed on the inner surface of valve element by heat conductive silica gel.
4. a kind of air pressure adjustment valve with anti-icing and deicing function according to claim 1, it is characterised in that the gas
Control valve is pressed also to include rain-proof strip, the rain-proof strip is arranged on the periphery of valve element along valve core outer surface vertically downward.
5. a kind of air pressure adjustment valve with anti-icing and deicing function according to claim 4, it is characterised in that described anti-
Periphery of the rain bar along valve element constitutes square or border circular areas.
6. a kind of air pressure adjustment valve with anti-icing and deicing function according to claim 1, it is characterised in that the temperature
Degree sensor detects temperature less than 0 DEG C, driving zone of heating heating, when temperature sensor detects temperature higher than 10 DEG C, stops
Heating.
7. a kind of air pressure adjustment valve with anti-icing and deicing function according to claim 1, it is characterised in that described close
Seal is made up of the silastic material not absorbing water.
8. a kind of air pressure adjustment valve with anti-icing and deicing function according to claim 1, it is characterised in that use and add
Heated filament replaces the heating film.
9. a kind of aerostatics, it is characterised in that adjusted on the aerostatics using the air pressure as described in any one of claim 1~8
Save valve.
10. a kind of aerostatics according to claim 9, it is characterised in that the air pressure adjustment valve is arranged on aerostatics
The bottom of utricule, bottom of the rain-proof strip along aerostatics utricule is arranged on the periphery of valve element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453064.0A CN107269851A (en) | 2017-06-15 | 2017-06-15 | A kind of air pressure adjustment valve and aerostatics with anti-icing and deicing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453064.0A CN107269851A (en) | 2017-06-15 | 2017-06-15 | A kind of air pressure adjustment valve and aerostatics with anti-icing and deicing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269851A true CN107269851A (en) | 2017-10-20 |
Family
ID=60066806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710453064.0A Pending CN107269851A (en) | 2017-06-15 | 2017-06-15 | A kind of air pressure adjustment valve and aerostatics with anti-icing and deicing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269851A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115743513A (en) * | 2022-12-01 | 2023-03-07 | 中国特种飞行器研究所 | Self-adaptive pressure regulation aerostat and pressure regulation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201258990Y (en) * | 2008-09-10 | 2009-06-17 | 中国特种飞行器研究所 | Aerostat pressure control valve |
| CN202220891U (en) * | 2011-06-07 | 2012-05-16 | 北方电科集团有限公司 | Aerostation emergency air discharge window |
| CN202867954U (en) * | 2012-11-13 | 2013-04-10 | 湖南航天机电设备与特种材料研究所 | Aerostat helium charge valve |
| US20140014640A1 (en) * | 2012-07-13 | 2014-01-16 | Kelly Aerospace Thermal Systems, Llc | Aircraft ice protection system and method |
| CN205971786U (en) * | 2016-07-26 | 2017-02-22 | 东莞前沿技术研究院 | Buoyancy regulating device , aerostatics and aerostatics system of aerostatics |
-
2017
- 2017-06-15 CN CN201710453064.0A patent/CN107269851A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201258990Y (en) * | 2008-09-10 | 2009-06-17 | 中国特种飞行器研究所 | Aerostat pressure control valve |
| CN202220891U (en) * | 2011-06-07 | 2012-05-16 | 北方电科集团有限公司 | Aerostation emergency air discharge window |
| US20140014640A1 (en) * | 2012-07-13 | 2014-01-16 | Kelly Aerospace Thermal Systems, Llc | Aircraft ice protection system and method |
| CN202867954U (en) * | 2012-11-13 | 2013-04-10 | 湖南航天机电设备与特种材料研究所 | Aerostat helium charge valve |
| CN205971786U (en) * | 2016-07-26 | 2017-02-22 | 东莞前沿技术研究院 | Buoyancy regulating device , aerostatics and aerostatics system of aerostatics |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115743513A (en) * | 2022-12-01 | 2023-03-07 | 中国特种飞行器研究所 | Self-adaptive pressure regulation aerostat and pressure regulation method |
| CN115743513B (en) * | 2022-12-01 | 2024-10-29 | 中国特种飞行器研究所 | Self-adaptive pressure regulating aerostat and pressure regulating method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171020 |