CN110332315A - A kind of sealing system of active self-balancing self-protecting intelligent - Google Patents
A kind of sealing system of active self-balancing self-protecting intelligent Download PDFInfo
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- CN110332315A CN110332315A CN201910721473.3A CN201910721473A CN110332315A CN 110332315 A CN110332315 A CN 110332315A CN 201910721473 A CN201910721473 A CN 201910721473A CN 110332315 A CN110332315 A CN 110332315A
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- 238000007789 sealing Methods 0.000 title claims abstract description 93
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000003814 drug Substances 0.000 claims abstract description 12
- 229940079593 drug Drugs 0.000 claims abstract description 12
- 238000009825 accumulation Methods 0.000 claims abstract description 11
- 230000009189 diving Effects 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 14
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 150000002823 nitrates Chemical class 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 230000002411 adverse Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 33
- 230000033001 locomotion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003446 ligand Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Classifications
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
- F16J15/48—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings influenced by the pressure within the member to be sealed
Abstract
The invention discloses a kind of sealing systems of active self-balancing self-protecting intelligent; including seal cavity and environment cavity; the inside of environment cavity is arranged in seal cavity; the interior lower end of seal cavity is fixed with pressure balance liquid storage chamber; accumulation of energy gas packet is provided in pressure balance liquid storage chamber; the upper outlet of pressure balance liquid storage chamber is fixedly connected with one end of remote control electromagnetic switch; the other end for being remotely controlled electromagnetic switch is fixedly connected with diving hydraulic pump; the upper end of seal cavity is provided with moving component, and one end of moving component is inserted into seal cavity.The present invention seals support by setting pressure balance liquid storage chamber, accumulation of energy gas packet, diving hydraulic pump, self-shield, shell, self-shield gas drug and self-shield heating resistance wire occur for self-shield pressure bladder, self-shield gas; solves the problem of safety and stability is lower, and instrument and equipment is easy to damage when existing instrument and equipment seal member works under complicated adverse circumstances.
Description
Technical field
The present invention relates to technical field of sealing technology, specially a kind of sealing system of active self-balancing self-protecting intelligent.
Background technique
There are two types of sealings: static seal and dynamic sealing.Existing static seal mainly has flanged joint gasket seal, self-tightening sealing, 0
Type ring sealing, glue sealing, packing seal and directly contact sealing etc.；Dynamic sealing mainly has felt seal, soft packing seal, extruding
Sealing, lip packing, oiliness sealing, piston ring sealing, mechanical seal, float ring seal, labyrinth seal and centrifugal seal etc..At present
All dynamic and static seal types almost can satisfy the demand of industrial equipment and instrument.However, existing sealing and technology exist such as
Lower several points are insufficient: first is that the grade of sealing constrained by environmental pressure it is larger, i.e., environmental pressure then seal greatly grade also mention therewith
Height is limited by space and grade, and difficulty is very big；Second is that after seal failure, seal chamber is not remedied or safeguard measure, sealing
Easily enter environment liquid in chamber, cavity is contaminated, and will lead to a series of problems；Third is that the detection of seal failure is relatively stagnant
Afterwards, some sealing problems cause equipment task performance to decline or do not work, by checking just can know that it is caused by seal failure；Four
It is that its performance is often unable to satisfy requirement when seal works in complicated stress and severe working environment.
In tensile, compressive, bending, the static and dynamic sealing effect under complicated alternate stress effect such as turn round, cut, severe in water, mud etc.
Its static and dynamic sealing is greatly tested in working environment.If sealing the device for not having to need to insulate in two components, sealing is lost
Sealing element is replaced after effect to be reused, and damage too will not be caused to instrument and equipment；If but having in the cavity of sealing relatively high
Expensive electronic component, device and electric executive component, it is necessary to there is special effective seal means and method to cope with, otherwise damage
Mistake will be very heavy.Therefore, sealing and technology of the research under complicated adverse circumstances are very necessary, significant, therefore of the invention
A kind of sealing system of active self-balancing self-protecting intelligent is designed to solve the above problems.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of sealing system of active self-balancing self-protecting intelligent,
Solve when existing instrument and equipment seal member works under complicated adverse circumstances that safety and stability is lower, instrument and equipment
The problem of being easy to damage.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of active self-balancing self-protecting intelligent it is close
The inside of environment cavity is arranged in envelope system, including seal cavity and environment cavity, the seal cavity, the seal cavity
Interior lower end is fixed with pressure balance liquid storage chamber, and accumulation of energy gas packet is provided in the pressure balance liquid storage chamber, and the pressure is flat
The upper outlet for the liquid storage chamber that weighs is fixedly connected with one end of remote control electromagnetic switch, the other end and diving of the remote control electromagnetic switch
Hydraulic pump is fixedly connected, and the upper end of the seal cavity is provided with moving component, and seal chamber is inserted into one end of the moving component
In vivo, the other end setting of the moving component is provided with outside seal cavity, and between the moving component and seal cavity
Dynamic sealing, the surrounding of the moving component are provided with self-shield sealing support, and the self-shield sealing support is close by self-shield
Envelope support fixing bolt is fixed on the upper surface of seal cavity, and it is close that the self-shield sealing supported is internally provided with self-shield
Seal air bag, and be fixed with ambient pressure sensor outside the upper surface of the seal cavity in blind hole, the seal cavity it is upper
Seal chamber pressure sensor is fixed in the through-hole of end face, the probe of the seal chamber pressure sensor is inserted into seal cavity,
It is provided with self-shield gas above the seal chamber pressure sensor, shell occurs, it is also solid that shell occurs for the self-shield gas
It is scheduled on the upper surface of seal cavity, the self-shield gas occurs to be respectively arranged with self-shield gas drug and self-insurance in shell
Hair care hot water radiation wire.
Preferably, it includes support upper cover that the self-shield sealing, which supports, support middle part ring, support through holes, supports lower cover, is solid
Determine bolt hole and self-shield pressure bladder air nozzle through-hole, the self-shield pressure bladder includes self-shield pressure bladder exocoel
Body, self-shield pressure bladder air nozzle, outer chamber intercommunicating pore and self-shield pressure bladder inner chamber body in self-shield pressure bladder, it is described
Support the bottom surface of upper cover upper with the upper plane of self-shield pressure bladder outer chamber and self-shield pressure bladder inner chamber body respectively
Plane elasticity contact tight fit, it is described support lower cover upper top surface respectively with the lower plane of self-shield pressure bladder outer chamber and from
The lower plane Elastic Contact tight fit of pressure bladder inner chamber body is protected, the self-shield pressure bladder buckles into the ring of support middle part,
The support through holes are matched with outer chamber intercommunicating pore in self-shield pressure bladder, and outer chamber connects in the self-shield pressure bladder
Through-hole is passed through and support through holes and is connected to self-shield pressure bladder outer chamber with self-shield pressure bladder inner chamber body, it is described oneself
It is fixed up in protection sealing support fixing bolt insertion fixing bolt through-hole and by support upper cover and support lower cover, the self-insurance
Shield pressure bladder air nozzle through-hole is matched with self-shield pressure bladder air nozzle, and the self-shield pressure bladder air nozzle passes through self-shield
Pressure bladder air nozzle through-hole is simultaneously fixedly connected with self-shield gas generation shell.
Preferably, the self-shield sealing support is set as circular ring shape, and inside and outside self-shield sealing support
It is provided with support middle part ring on face, is respectively arranged with self-shield pressure bladder inner chamber body in ring in the middle part of inside and outside two supports
With self-shield pressure bladder outer chamber.
Preferably, outer chamber intercommunicating pore is provided with several in the self-shield pressure bladder, several described self-shields
Outer chamber intercommunicating pore is uniformly arranged along the circumference in self-shield pressure bladder outer chamber and self-shield pressure bladder in pressure bladder
Between cavity.
Preferably, dielectric is each filled in the seal cavity and pressure balance liquid storage chamber.
Preferably, the volume of the accumulation of energy gas packet reduces and increases with the size of pressure balance liquid storage cavity pressure
Greatly, volume is the 1/4-3/4 of pressure balance liquid storage chamber volume at normal atmospheric pressure.
Preferably, the self-shield gas drug is set as a kind of carbonate, Nitrates solid material.
Preferably, the upper surface of the seal cavity is also fixed with static seal lid, the static seal lid and seal cavity it
Between be provided with static seal.
(3) beneficial effect
The present invention provides a kind of sealing system of active self-balancing self-protecting intelligent, have it is following the utility model has the advantages that
The present invention detects the pressure and environment of seal cavity by ambient pressure sensor and seal chamber pressure sensor
Chamber pressure is realized the pressure self-balancing inside and outside cavity using the means of pre- duty pressure in pressure balancing system and seal chamber, is adopted
It is realized after seal failure in the effective guarantee seal chamber of energy active with the means that the pressure in seal chamber is higher than environmental pressure
Valuable electronic component be not contaminated or damaged, using self-shield pressure bladder make failure dynamic sealing position it is again close
It closes and, preferably the component in protection instrument and equipment seal chamber is injury-free.
Detailed description of the invention
Fig. 1 is the general assembly ligand elevational sectional view of active self-balancing self-protecting intelligent sealing in the embodiment of the present invention；
Fig. 2 is the general assembly ligand top view of active self-balancing self-protecting intelligent sealing in the embodiment of the present invention；
Fig. 3 is the general assembly ligand left view sectional view of active self-balancing self-protecting intelligent sealing in the embodiment of the present invention；
Fig. 4 is H regional cross section partial enlarged view in Fig. 3 in the embodiment of the present invention；
Fig. 5 is F regional cross section partial enlarged view in Fig. 3 in the embodiment of the present invention；
Fig. 6 is self-shield sealing mechanism top cross-sectional view in the embodiment of the present invention；
Fig. 7 is self-shield sealing support front view in the embodiment of the present invention；
Fig. 8 is self-shield sealing support top view in the embodiment of the present invention；
Fig. 9 is self-shield sealing support top cross-sectional view in the embodiment of the present invention；
Figure 10 is self-shield pressure bladder front view in the embodiment of the present invention；
Figure 11 is self-shield pressure bladder top view in the embodiment of the present invention.
Appended drawing reference in figure are as follows:
1, seal cavity；2, pressure balance liquid storage chamber；3, accumulation of energy gas packet；4, it is remotely controlled electromagnetic switch；5, diving hydraulic pump；
6, moving component；7, dynamic sealing；8, self-shield sealing support；9, self-shield pressure bladder；10, ambient pressure sensor；11, close
Seal cavity pressure sensor；12, shell occurs for self-shield gas；13, self-shield gas drug；14, self-shield heating resistance wire；
15, static seal lid；16, static seal；17, environment cavity；18, self-shield sealing support fixing bolt；801, upper cover is supported；802,
Support middle part ring；803, support through holes；804, lower cover is supported；805, fixing bolt through-hole；806, self-shield pressure bladder air nozzle
Through-hole；901, self-shield pressure bladder outer chamber；902, self-shield pressure bladder air nozzle；903, exocoel in self-shield pressure bladder
Body intercommunicating pore；904, self-shield pressure bladder inner chamber body.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in figs. 1-11, the present invention provides a kind of technical solution: a kind of sealing of active self-balancing self-protecting intelligent
The inside of environment cavity 17 is arranged in system, including seal cavity 1 and environment cavity 17, seal cavity 1, and environment cavity 17 is instrument
The working environment of device equipment, the pressure of the environment at any time, depth difference be full of in dynamic change at any time, seal cavity 1
Dielectric is put into various electronic components and device in dielectric, is also pressure balance liquid storage chamber 2, accumulation of energy gas packet 3, remote control electricity
Magnetic switch 4, diving hydraulic pump 5, moving component 6 and seal chamber pressure sensor 11 provide the confined space of insulation, pass through system
It detects and controls, the partial pressure autobalance in seal cavity 1 is made to fall the pressure in environment cavity 17, allow liquid pressure in it
Force value is consistently higher than the pressure value 0.5-2MPa of environment cavity 17, in this way, even if sealing system sealing ring failure after, and absolutely
For edge liquid actively from seal cavity 1 to environment cavity stream 17, the fluid in the short time in environment cavity 17 cannot be introduced into seal chamber
In body 1, therefore the electronic component in seal cavity 1 was not only effectively protected, but also has realized pressure in intelligent adjusting seal cavity 1
Value makes entire sealing system that can keep the purpose of its lower sealing grade regardless of changing in ambient pressure environment, close
The interior lower end of envelope cavity 1 is fixed with pressure balance liquid storage chamber 2, is also full of dielectric, interior precompressed in pressure balance liquid storage chamber 2
Force value is high compared with the pressure value in seal cavity 1, and occurrence will be according to the different difference, generally 1- of sealing grade
105MPa, the purpose is to be input in seal cavity 1 or extraction insulating liquid so that the pressure value in seal cavity 1 reaches system
Dynamic setting value, be provided with accumulation of energy gas packet 3 in pressure balance liquid storage chamber 2, the volume of accumulation of energy gas packet 3 is with pressure balance
The size of pressure in liquid storage chamber 2 and reduce and increase, volume is the 1/ of 2 volume of pressure balance liquid storage chamber at normal atmospheric pressure
, the upper outlet of pressure balance liquid storage chamber 2 is fixedly connected with one end of remote control electromagnetic switch 4, remote control electromagnetic switch 4
The other end is fixedly connected with diving hydraulic pump 5, and it is dynamic to implement on or off to remote control electromagnetic switch 4 by wireless transmission control signal
Make, there are two mouth, a mouths to be fixedly connected with remote control electromagnetic switch 4 for diving hydraulic pump 5, another mouthful of free state, the diving
Insulating liquid in pressure balance liquid storage chamber 2 can be not only pumped into seal cavity 1 by hydraulic pump 5, but also can be inversely seal cavity 1
In insulating liquid be pumped into pressure balance liquid storage chamber 2, effect be by reversible suction conveying dielectric in pressure balance
Between liquid storage chamber 2 and seal cavity 1, dynamic adjusts the pressure in seal cavity 1, makes the pressure and environmental chamber in seal cavity 1
The pressure of body 17 remains controllable equilibrium state, and the upper end of seal cavity 1 is provided with moving component 6, the one of moving component 6
In end insertion seal cavity 1, the other end of moving component 6 is arranged outside seal cavity 1, and moving component 6 and seal cavity 1 it
Between be provided with dynamic sealing 7, by dynamic sealing 7 separate environment cavity 17 liquid and seal cavity 1 liquid, to realize close
Envelope, the surrounding of moving component 6 are provided with self-shield sealing support 8, and self-shield sealing support 8 seals support by self-shield and fixes
Bolt 18 is fixed on the upper surface of seal cavity 1, and self-shield sealing support 8 is internally provided with self-shield pressure bladder 9, and
Ambient pressure sensor 10, the main function of ambient pressure sensor 10 are fixed in blind hole outside the upper surface of seal cavity 1
It is the pressure value of in due course detection environment, is fixed with seal chamber pressure sensor 11, seal chamber in the upper surface through-hole of seal cavity 1
The main function of pressure sensor 11 is the dielectric pressure value in due course detection seal cavity 1, seal chamber pressure sensor 11
Probe be inserted into seal cavity 1, the top of seal chamber pressure sensor 11 be provided with self-shield gas occur shell 12, from
Protective gas occurs shell 12 and is also fixed on the upper surface of seal cavity 1, and self-shield gas occurs to be respectively set in shell 12
There are self-shield gas drug 13 and self-shield heating resistance wire 14, if power supply is external storage battery, self-shield gas occurs
The side of shell 12 will be arranged there are two power supply string holes, not need to arrange power supply line again if power supply is built-in storage power supply
Hole, self-shield gas drug 13 is set as a kind of carbonate, Nitrates solid material, fast after self-shield gas drug 13 is heated
Speed decomposites bulk gas, these gases generate biggish pressure in a limited space, and through self-shield pressure bladder air nozzle 902
It enters in self-shield pressure bladder outer chamber 901 and self-shield pressure bladder inner chamber body 904, the upper surface of seal cavity 1 is also
It is fixed with static seal lid 15, static seal 16 is provided between static seal lid 15 and seal cavity 1；
Self-shield sealing support 8 include support upper cover 801, support middle part ring 802, support through holes 803, support lower cover 804,
Fixing bolt through-hole 805 and self-shield pressure bladder air nozzle through-hole 806, self-shield pressure bladder 9 include self-shield pressure bladder
Outer chamber 901, self-shield pressure bladder air nozzle 902, outer chamber intercommunicating pore 903 and self-shield blanket gas in self-shield pressure bladder
Intracapsular cavity 904, support upper cover 801 bottom surface respectively with the upper plane and self-shield of self-shield pressure bladder outer chamber 901
The upper plane elasticity of pressure bladder inner chamber body 904 contacts tight fit, support the upper top surface of lower cover 804 respectively with self-shield blanket gas
The lower plane of capsule outer chamber 901 and the lower plane Elastic Contact tight fit of self-shield pressure bladder inner chamber body 904, self-shield sealing
Air bag 9 buckles into the ring 802 of support middle part, and self-shield sealing support 8 is set as circular ring shape, and self-shield sealing support 8 is inside and outside
It is provided with support middle part ring 802 on two sides, is respectively arranged with self-shield pressure bladder in ring 802 in the middle part of inside and outside two supports
Inner chamber body 904 and self-shield pressure bladder outer chamber 901, support middle part ring 802 play position-limiting action, make self-shield pressure bladder
9 can only match to radial unidirectional elastic extension, support through holes 803 with outer chamber intercommunicating pore 903 in self-shield pressure bladder, from
Outer chamber intercommunicating pore 903 in pressure bladder is protected to pass through support through holes 803 and by self-shield pressure bladder outer chamber 901 and self-insurance
It protects the connection of pressure bladder inner chamber body 904 to get up, outer chamber intercommunicating pore 903 is provided with several in self-shield pressure bladder, several
Outer chamber intercommunicating pore 903 is uniformly arranged along the circumference in self-shield pressure bladder outer chamber 901 and oneself in a self-shield pressure bladder
It protects between pressure bladder inner chamber body 904, self-shield sealing support fixing bolt 18 is inserted into fixing bolt through-hole 805 and will branch
Support upper cover 801 and support lower cover 804 are fixed up, self-shield pressure bladder air nozzle through-hole 806 and self-shield pressure bladder air nozzle
902 match, and self-shield pressure bladder air nozzle 902 passes through self-shield pressure bladder air nozzle through-hole 806 and sends out with self-shield gas
Raw shell 12 is fixedly connected, and self-shield pressure bladder 9 cuts little ice in instrument and equipment course of normal operation, only when being
After the static and dynamic sealing failure of system, monitoring system detects sealing by ambient pressure sensor 10 and seal chamber pressure sensor 11
When the pressure of cavity 1 and the difference of 17 pressure of environment cavity are less than 0.5MPa, control system just issues instruction and connects self-insurance hair care
Hot water radiation wire 14 heats self-shield gas drug 13, generates bulk gas rapidly, and be rapidly introduced into self-shield pressure bladder 9,
Extend radially outwardly up to 901 lateral surface of self-shield pressure bladder outer chamber and seal chamber
The relative motion mouth inner face of body 1 is simultaneously close to the face, and the medial surface diameter of self-shield pressure bladder inner chamber body 904 inwardly extends up to
The lateral surface of moving component 6 is simultaneously close to the face, and sealing movement, at the same time, 6 stop motion of moving component are quickly completed.
Working principle: by diving under water, hydraulic pump 5 dynamically adjusts the pressure in seal cavity 1, makes the pressure in seal cavity 1
Controllable equilibrium state is remained with the pressure of environment cavity 17, and the partial pressure autobalance in seal cavity 1 is made to fall ring
Pressure in border cavity 17 allows the liquid pressure value in it to be consistently higher than the pressure value 0.5-2MPa of environment cavity 17, in this way, being
After so that the static and dynamic sealing circle of sealing system is failed and insulating liquid is actively from seal cavity 1 to environment cavity stream 17, short time
Fluid in interior environment cavity 17 cannot be introduced into seal cavity 1, therefore both effectively protect the electronics member device in seal cavity 1
Part, and pressure value in intelligent adjusting seal cavity 1 is realized, make entire sealing system regardless of becoming in ambient pressure environment
Change the purpose that can keep its lower sealing grade, when monitoring system is passed by ambient pressure sensor 10 and sealing cavity pressure
When sensor 11 detects that the pressure of seal cavity 1 and the difference of 17 pressure of environment cavity are less than 0.5MPa, control system sending refers to
It enables and connects the heating self-shield gas drug 13 of self-shield heating resistance wire 14, generate bulk gas rapidly, and be rapidly introduced into certainly
Pressure bladder 9 is protected, prolongs 901 lateral surface of self-shield pressure bladder outer chamber radially outward under quickly raised pressure effect
It stretches and the relative motion mouth inner face of seal cavity 1 and is close to the face, the medial surface of self-shield pressure bladder inner chamber body 904
It extends radially inwardly the lateral surface until moving component 6 and is close to the face, quickly complete sealing movement, at the same time, movement
6 stop motion of component avoids expensive electronic component, device and electric executive component damage to reach sealing purpose.
It can to sum up obtain, the present invention passes through setting pressure balance liquid storage chamber 2, accumulation of energy gas packet 3, diving hydraulic pump 5, self-shield
Shell 12, self-shield gas drug 13 and self-shield heating electric occur for sealing support 8, self-shield pressure bladder 9, self-shield gas
Silk 14 is hindered, solves when existing instrument and equipment seal member works under complicated adverse circumstances that safety and stability is lower,
The problem of instrument and equipment is easy to damage.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of sealing system of active self-balancing self-protecting intelligent, including seal cavity (1) and environment cavity (17), special
Sign is: the seal cavity (1) is arranged in the inside of environment cavity (17), and the interior lower end of the seal cavity (1) is fixed
Have pressure balance liquid storage chamber (2), accumulation of energy gas packet (3), the pressure balance storage are provided in the pressure balance liquid storage chamber (2)
The upper outlet of sap cavity (2) is fixedly connected with one end of remote control electromagnetic switch (4), the other end of remote control electromagnetic switch (4)
It is fixedly connected with diving hydraulic pump (5), the upper end of the seal cavity (1) is provided with moving component (6), the moving component
(6) in one end insertion seal cavity (1), the setting of the other end of the moving component (6) seal cavity (1) outside, and it is described
It is provided between moving component (6) and seal cavity (1) dynamic sealing (7), the surrounding of the moving component (6) is provided with self-shield
Sealing support (8), the self-shield sealing support (8) seal support fixing bolt (18) by self-shield and are fixed on seal cavity
(1) on upper surface, the self-shield sealing support (8) is internally provided with self-shield pressure bladder (9), and the seal chamber
It is fixed with ambient pressure sensor (10) in blind hole outside the upper surface of body (1), in the upper surface through-hole of the seal cavity (1)
It being fixed with seal chamber pressure sensor (11), the probe of the seal chamber pressure sensor (11) is inserted into seal cavity (1),
It is provided with self-shield gas above the seal chamber pressure sensor (11), shell (12) occur, the self-shield gas occurs
Shell (12) is also fixed on the upper surface of seal cavity (1), and the self-shield gas occurs to be respectively arranged in shell (12)
Self-shield gas drug (13) and self-shield heating resistance wire (14).
2. a kind of sealing system of active self-balancing self-protecting intelligent according to claim 1, it is characterised in that: described
Self-shield sealing support (8) includes support upper cover (801), support middle part ring (802), support through holes (803), support lower cover
(804), fixing bolt through-hole (805) and self-shield pressure bladder air nozzle through-hole (806), self-shield pressure bladder (9) packet
Include that self-shield pressure bladder outer chamber (901), self-shield pressure bladder air nozzle (902), outer chamber connects in self-shield pressure bladder
The bottom surface of through-hole (903) and self-shield pressure bladder inner chamber body (904), support upper cover (801) is close with self-shield respectively
The upper plane elasticity of the upper plane and self-shield pressure bladder inner chamber body (904) of sealing air bag outer chamber (901) contacts tight fit, institute
State support lower cover (804) upper top surface respectively with the lower plane and self-shield blanket gas of self-shield pressure bladder outer chamber (901)
The lower plane Elastic Contact tight fit of intracapsular cavity (904), the self-shield pressure bladder (9) buckle into support middle part ring (802)
Interior, the support through holes (803) match with outer chamber intercommunicating pore (903) in self-shield pressure bladder, the self-shield sealing
Outer chamber intercommunicating pore (903) passes through support through holes (803) and by self-shield pressure bladder outer chamber (901) and self-shield in air bag
Pressure bladder inner chamber body (904) connection is got up, and self-shield sealing support fixing bolt (18) is inserted into fixing bolt through-hole
(805) in and upper cover (801) and support lower cover (804) will be supported to be fixed up, the self-shield pressure bladder air nozzle through-hole
(806) it is matched with self-shield pressure bladder air nozzle (902), it is close that the self-shield pressure bladder air nozzle (902) passes through self-shield
Envelope air bag air nozzle through-hole (806) is simultaneously fixedly connected with self-shield gas generation shell (12).
3. a kind of sealing system of active self-balancing self-protecting intelligent according to claim 1, it is characterised in that: described
Self-shield sealing support (8) is set as circular ring shape, and is provided with branch on face inside and outside self-shield sealing support (8)
Support middle part ring (802), inside and outside two support middle part rings (802) are interior to be respectively arranged with self-shield pressure bladder inner chamber body
(904) and self-shield pressure bladder outer chamber (901).
4. a kind of sealing system of active self-balancing self-protecting intelligent according to claim 2, it is characterised in that: described
Outer chamber intercommunicating pore (903) is provided with several in self-shield pressure bladder, exocoel in several described self-shield pressure bladders
Body intercommunicating pore (903) is uniformly arranged along the circumference in self-shield pressure bladder outer chamber (901) and self-shield pressure bladder inner chamber body
(904) between.
5. a kind of sealing system of active self-balancing self-protecting intelligent according to claim 1, it is characterised in that: described
Dielectric is each filled in seal cavity (1) and pressure balance liquid storage chamber (2).
6. a kind of sealing system of active self-balancing self-protecting intelligent according to claim 1, it is characterised in that: described
The volume of accumulation of energy gas packet (3) reduces and increases with the size of pressure balance liquid storage chamber (2) interior pressure, and volume is in standard
It is the 1/4-3/4 of pressure balance liquid storage chamber (2) volume under atmospheric pressure.
7. a kind of sealing system of active self-balancing self-protecting intelligent according to claim 1, it is characterised in that: described
Self-shield gas drug (13) is set as a kind of carbonate, Nitrates solid material.
8. a kind of sealing system of active self-balancing self-protecting intelligent according to claim 1, it is characterised in that: described
The upper surface of seal cavity (1) is also fixed with static seal lid (15), is arranged between the static seal lid (15) and seal cavity (1)
There are static seal (16).
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