CN103915285B - The bipolar mutual linker of a kind of positive and negative micro-air pressure - Google Patents
The bipolar mutual linker of a kind of positive and negative micro-air pressure Download PDFInfo
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- CN103915285B CN103915285B CN201310000786.2A CN201310000786A CN103915285B CN 103915285 B CN103915285 B CN 103915285B CN 201310000786 A CN201310000786 A CN 201310000786A CN 103915285 B CN103915285 B CN 103915285B
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Abstract
The bipolar mutual linker of a kind of positive and negative micro-air pressure, particularly a kind of minor variations according to gas pressure realizes the switching device that automatically switches on and off, realize by two schemes, key technology scheme in two schemes namely by the enough perception air negative pressure changes of air pressure sensing chip, and promotes disc spring and center fixed electrode is switched on or switched off.Switch body of the present invention and atmospheric pressure cavity, air guide joint, electrode integrated design manufacture, and circuits assembly is simple; Being connected by all kinds erecting bed fixedly secures on pressure accent by air pressure sensing chip, good airproof performance, the modularized design of helical structure traveling electrode, not yielding, easy to manufacture, air pressure change is quick on the draw, connecting and disconnecting of the circuit reliability is high, has practical application in industry and is worth.
Description
The present invention relates to the bipolar mutual linker of a kind of positive and negative micro-air pressure, particularly a kind of minor variations by detecting air pressure increase and decrease realizes the switching device that automatically switches on and off.
Background technology
Switching device, as a kind of conventional electronic component, has various product line and model, is widely used in various electronic product and equipment.The bipolar mutual linker of the micro-air pressure of novel positive and negative, as a kind of special switch element, utilizes air pressure as control signal, when system internal pressure is higher or lower than setting pressure, makes contacting or the disconnection of switch.The pressure switch of selling in the market, as induction installation, and there is complex structure in general independent employing negative pressure or positive pressure sensor, volume is large, sensitivity is low, be not suitable for the deficiencies such as pressure change small especially or space use small especially.Existing baroswitch mostly is and relies on malleation or negative pressure practical function separately, could not positive and negative for pressure change integrated use, make product design and application be subject to significant limitation, therefore development and Application high sensitivity, in extensive range, practical positive and negative micro-air pressure reliable, easy to manufacture, easy to assembly are the demand places in market.
Summary of the invention
The object of the present invention is to provide a kind of deficiency overcoming prior art and exist, high sensitivity, practical reliable, easy to manufacture, the bipolar mutual linker of the micro-air pressure of novel positive and negative easy to assembly, in order to achieve the above object, the present invention can use two kinds of technical schemes to realize, scheme one: it is by linker upper casing 1, linker lower casing 2, center fixed electrode 3, annular electrode 4, disc spring 5, air pressure reaction diaphragm 6, air guide joint 7, contact conductor 8, upper pressure chamber 9, downforce chamber 10 forms, the upper pressure chamber housing 1-3 top of linker upper casing 1, the electrode stationary plane 3-1 of center fixed electrode 3 fits tightly with it, by the anchor leg 3-3 of center fixed electrode 3 being each passed through upper casing fairlead 1-10 on linker upper casing 1 and upper casing electrode hole 1-7 center fixed electrode is fixed on the top of upper pressure chamber 9, the annular electro polar body 4-1 of annular electrode 4 is embedded in the upper casing annular electrode groove of linker upper casing 1, electrode extends lead-in wire 4-2 and passes upper pressure chamber 9 by upper casing wire lead slot 1-9, seamless applying with it on the annular electro polar body 4-1 that the edge 5-1 of disc spring 5 is placed on annular electrode 4, bottom the downforce chamber toroidal shell 2-2 of linker lower casing 2, center fixed electrode 3 is by passing lower casing fairlead 2-7 by electrode anchor leg 3-3, electrode stationary plane 3-1 is made to be affixed on bottom the toroidal shell 2-2 of downforce chamber, annular electrode 4 is embedded with equally in the lower casing annular electrode groove 2-3 of linker lower casing 2, on annular electrode 4 with linker upper casing 1 in the same fashion device have disc spring 5, the diaphragm that air pressure reaction diaphragm 6 is inlaid in linker lower casing 2 is installed in cannelure 2-3, center fixed electrode 3 is housed, annular electrode 4, the linker upper casing 1 of disc spring 5 by the lower surface of the square assembly bench 1-1 of upper casing with center fixed electrode 3 is housed, annular electrode 4, disc spring 5, the upper surface of the square assembly bench 2-1 of lower casing of the linker lower casing 2 of air pressure reaction diaphragm 6 fits, and by making linker upper casing 1 and linker lower casing 2 be assembled together through upper casing fixing threaded hole 1-11 and lower casing fixing threaded hole 2-13 fixed screw 11, air pressure reaction diaphragm 6 is fixed on ring packing platform 1-4 and diaphragm is installed between cannelure 2-3, be upper pressure chamber 9 and downforce chamber 10 by the linker upper casing 1 after assembling with linker lower casing 2 inside division.
Linker upper casing 1 is by the square assembly bench 1-1 of upper casing, earclip 1-2 is installed, upper pressure chamber housing 1-3, sealing annular table 1-4, upper casing annular electrode groove 1-5, electrode protects platform 1-6, upper casing electrode hole 1-7, upper casing gas port 1-8, upper casing wire lead slot 1-9, upper casing fairlead 1-10, upper casing fixing threaded hole 1-11 forms, the square assembly bench 1-1 of upper casing tetra-jiaos is symmetrically distributed with four upper casing fixing threaded hole 1-11, the both sides that earclip 1-2 is positioned at the square assembly bench 1-1 of upper casing are installed, identical with its thickness, for symmetrical ear structure, upper pressure chamber housing 1-3 is positioned on the square assembly bench 1-1 of upper casing, has the cylindrical shell of the top seal of cylindrical upper pressure chamber 10 for inside, its upper surface is equipped with upper casing electrode hole 1-7, upper casing gas port 1-8, upper casing wire lead slot 1-9, upper casing fairlead 1-10, electrode protects platform 1-6 and is positioned on pressure chamber housing 1-3, upper casing electrode hole 1-7 and upper casing wire lead slot 1-9 runs through wherein, the inner tip of upper pressure chamber housing 1-3 leaves upper casing annular electrode groove 1-5, and lower end and the square assembly bench 1-1 of upper casing are formed and seal annular table 1-4.
Linker lower casing 2 is by the square assembly bench 2-1 of lower casing, downforce chamber toroidal shell 2-2, diaphragm installs cannelure 2-3, lower casing annular electrode groove 2-4, air slot 2-5, air guide hole 2-6, lower casing fairlead 2-7, lower casing wire lead slot 2-8, linker mounting limit platform 2-9, fixed station 2-10 installed by linker, outer member connector 2-11, air duct 2-12, lower casing fixing threaded hole 2-13 is formed, downforce chamber toroidal shell 2-2 is positioned on the square assembly bench 2-1 of lower casing, upper end is left diaphragm and is installed cannelure 2-3, lower casing annular electrode groove 2-4 is positioned on the square assembly bench 2-1 of lower casing bottom the toroidal shell 2-2 of downforce chamber, and at the air slot 2-5 that the upper surface of the square assembly bench 2-1 of lower casing has cross to put centered by the center of circle, the center of air slot 2-5 is air guide hole 2-6, lower casing electrode hole 2-7 is left respectively at the two ends of air slot 2-5, four symmetrical lower casing fixing threaded hole 2-13 are left in the corner of lower casing square assembly bench 2-1, lower surface leaves lower casing wire lead slot 2-8, that has time centered by linker mounting limit platform 2-9 is cylindric, protrude from lower casing square assembly bench 2-1 lower surface, linker install fixed station 2-10 be positioned at linker mounting limit platform 2-9 lower surface also centered by free cylindric, outer member connector 2-11 is positioned at the lower end that fixed station 2-10 installed by linker, center is porose, with linker, fixed station 2-10 is installed, the centre bore of linker mounting limit platform 2-9 forms air duct 2-12, with air guide hole 2-6 for upper end port.
Center fixed electrode 3 is by electrode stationary plane 3-1, electrode arcwall face 3-2, electrode anchor leg 3-3 forms, electrode stationary plane 3-1 is circular flat, fit in the top of pressure chamber 9 or the bottom in downforce chamber 10, electrode arcwall face 3-2 is that curved surfaces indwelling is in upper pressure chamber 9 or downforce chamber 10, corresponding with the center traveling electrode 5-3 of disc spring 5, can be connected with the center traveling electrode 5-3 of disc spring 5 when air pressure reaction diaphragm 6 moves, electrode anchor leg 3-3 is shape-adjustable wire, center fixed electrode 3 can be fixed in upper pressure chamber housing 1-3 or downforce chamber toroidal shell 2-2 through fairlead.
Annular electrode 4 extends lead-in wire 4-2 by annular electro polar body 4-1 and electrode and forms, annular electro polar body 4-1 is that annular metal can be embedded in the slot electrode in two-way pressure chamber, one end is embedded in slot electrode, the other end and disc spring 5 are fitted, electrode extend lead-in wire 4-2 be positioned at annular electro polar body 4-1 inlay end be connected with extrados, for the plain conductor of shape-adjustable, wire lead slot can be passed through through electrode hole or fairlead, have certain fixation to annular electrode 4.
Disc spring 5 is made up of edge 5-1, helical structure 5-2, center traveling electrode 5-3, disc spring 5 entirety is circular metal plate, edge 5-1 is that annular sheet metal can be affixed with annular electro polar body 4-1 and plays a supportive role, helical structure 5-2 is the metal spiral sheet separated by spirality line of cut, connection center traveling electrode 5-3 is connected and edge 5-1, and center traveling electrode 5-3 can be moved with air pressure reaction diaphragm 6.
Air pressure reaction diaphragm 6 is made up of annular bar 6-1 and seal membrane 6-2, and annular bar 6-1 is cross section is that circular annular bar can be embedded in a fixation in lower annular electrode groove 2-4, and seal membrane 6-2 is thin rounded flakes, can with air pressure change generation deformation.
Scheme two: it is by negative pressure cavity shell a-1, carrier shell a-2, pressure chamber shell a-3, center fixed electrode a-4, annular electrode a-5, disc spring a-6, air pressure reaction diaphragm a-7, air guide joint a-8, contact conductor a-9, negative pressure cavity a-10, pressure chamber a-11, pressure buffer chamber a-12 forms, the negative pressure cavity Mian Shang center fixed electrode a-4 of the positive and negative air-pressure chamber partition a-2-6 of carrier shell a-2 is fitted in the carrier shell side of negative pressure cavity a-10 by electrode anchor leg a-4-3, the annular electro polar body a-5-1 of annular electrode a-5 is inlaid in negative pressure cavity annular electrode groove a-2-11, disc spring a-6 is arranged on the free-end of the annular electro polar body a-5-1 of annular electrode a-5, air pressure reaction diaphragm a-7 is inlaid in air pressure reaction diaphragm annular mounting groove a-2-14, the negative pressure cavity shell square erecting bed a-1-3 of negative pressure cavity shell a-1 is corresponding with the negative pressure cavity square assembly bench a-2-15 of carrier shell a-2 assemble and use screw pass negative pressure cavity shell assemble screw a-1-4 and assemble screw a-2-5 fixing both, after assembling, air pressure reaction diaphragm a-7 makes it fixing in the confined space between the medial surface and the air pressure reaction diaphragm annular mounting groove a-2-14 of carrier shell a-2 of the negative pressure cavity shell circular seal platform a-1-1 of negative pressure cavity shell a-1, the medial surface mounting center fixed electrode a-4 of the pressure chamber shell circular seal platform a-3-1 of pressure chamber shell a-3, setting-in annular electrode a-5 in pressure chamber annular electrode mounting groove a-3-5, setting-in air pressure reaction diaphragm a-7 in pressure chamber diaphragm annular mounting groove a-3-4, disc spring a-6 is housed between air pressure reaction diaphragm a-7 and annular electrode, be equipped with center fixed electrode a-4, annular electrode a-5, the pressure chamber shell square erecting bed a-3-2 of the pressure chamber shell a-3 of disc spring a-6 gentle pressure reaction diaphragm a-7 is corresponding with the pressure chamber square assembly bench a-2-1 of carrier shell a-2 to be assembled, and fix by installing screw additional in pressure chamber shell assembling screw a-3-6 with assembling screw a-2-5, pressure chamber shell toroidal shell a-3-3 and pressure chamber annular stop platform a-2-3 seamless connection make the air pressure reaction diaphragm a-7 in pressure chamber a-11 and positive and negative air-pressure chamber cut off mineralization pressure cushion chamber a-12 between a-2-6.
Negative pressure cavity shell a-1 is by negative pressure cavity shell circular seal platform a-1-1, negative pressure cavity shell toroidal shell a-1-2, the square erecting bed a-1-3 of negative pressure cavity shell, negative pressure cavity shell assembling screw a-1-4, negative pressure cavity shell gas port a-1-5 forms, negative pressure cavity shell circular seal platform a-1-1 is positioned at one end of negative pressure cavity toroidal shell a-1-2, the formation of negative pressure cavity a-10 is sealed, also be the stationary plane of the air pressure reaction diaphragm a-7 in negative pressure cavity, it leaves negative pressure cavity shell gas port a-1-5, the other end of negative pressure cavity shell toroidal shell a-1-2 is the square erecting bed a-1-3 of negative pressure cavity square erecting bed a-1-3 negative pressure cavity leaves negative pressure cavity shell assembling screw a-1-4.
Carrier shell a-2 is by the square assembly bench a-2-1 of pressure chamber, pressure chamber annular stop platform a-2-2, pressure chamber sealing limiting stand a-2-3, assembling limited post a-2-4, assembling screw a-2-5, positive and negative air-pressure chamber cuts off a-2-6, carrier shell electrode hole a-2-7, positive and negative air-pressure chamber gas port a-2-8, electrode protects platform a-2-9, carrier shell fairlead a-2-10, negative pressure cavity annular electrode groove a-2-11, negative pressure cavity annular stop platform a-2-12, negative pressure cavity annular chamber wall a-2-13, air pressure reaction diaphragm annular mounting groove a-2-14, the square assembly bench a-2-15 of negative pressure cavity, mounting limit platform a-2-16, fixed station a-2-17 is installed, outer member connector a-2-18, air duct a-2-19, air admission hole a-2-20 forms, the square assembly bench a-2-1 of pressure chamber is square ring platform, air admission hole a-2-20 is left in the position that positive/negative pressure chamber partition a-2-6 is pressed close at center, downside, that gas enters pressure buffer chamber a-12 air inlet from the external world, the square assembly bench a-2-1 of pressure chamber tetra-jiaos is symmetrically distributed with assembling limited post a-2-4, assembling screw a-2-5 is left in limited post, pressure chamber annular stop platform a-2-2 is positioned at inside the square assembly bench a-2-1 of pressure chamber with it with high, can with the pressure chamber shell toroidal shell a-3-3 seamless connection of pressure chamber shell a-3, play fixation pressure chamber enclosure a-3, pressure chamber sealing limiting stand a-2-3 is positioned at the bottom of pressure chamber annular stop platform a-2-2, the air pressure reaction diaphragm a-7 in the a-11 of fixation pressure chamber jointly can be played with the pressure chamber diaphragm annular mounting groove a-3-4 of pressure chamber shell a-3, pressure chamber sealing limiting stand a-2-3 connects positive and negative air-pressure atmospheric pressure cavity and cuts off a-2-6, positive and negative air-pressure chamber cuts off on a-2-6 except being provided with positive and negative air-pressure chamber gas port a-2-8, the gas in the a-12 of pressure buffer chamber can be made to enter in negative pressure cavity by gas port, also leave carrier shell fairlead a-2-10, the outside relative with air admission hole a-2-20 of the pressure chamber square assembly bench a-2-1 corresponding with pressure buffer chamber a-12 is provided with electrode and protects platform a-2-9, electrode protects in platform a-2-9 and leaves carrier shell fairlead a-2-10, the negative pressure cavity face that positive and negative air-pressure chamber cuts off a-2-6 is provided with negative pressure cavity annular electrode groove a-2-11, negative pressure cavity annular electrode groove a-2-11 lateral border is negative pressure cavity annular chamber wall a-2-13, the free-end of negative pressure cavity annular chamber wall a-2-13 leaves air pressure reaction diaphragm annular mounting groove a-2-14, can air pressure reaction diaphragm a-7 in setting-in negative pressure cavity, the partition side of negative pressure cavity annular chamber wall a-2-13, the inner side of the square assembly bench a-2-15 of negative pressure cavity is provided with negative pressure cavity annular stop platform a-2-12, negative pressure cavity annular stop platform a-2-12 can be connected with the free-end of negative pressure cavity shell toroidal shell a-1-2 and plays position-limiting action to negative pressure cavity shell a-1, the square assembly bench a-2-15 of negative pressure cavity is square ring platform, on the downside of it, the outer rim of corresponding pressure buffer chamber a-12 is mounting limit platform a-2-16, the circular cylindrical shape of emptying aperture is had centered by mounting limit platform a-2-16, its Main Function limits position when negative pressure cavity shell a-1 and pressure chamber shell a-2 assembles, be connected the link position of limit external piece with external piece at carrier member a-2, be below mounting limit platform a-2-16 and fixed station a-2-17 is installed, porose cylindric centered by it, mainly play fixed position when being connected with outer member, outer member connector a-2-18 is positioned at and installs fixed station a-2-17 hypomere, external piece can be connected, in the middle of it duct with fixed station a-2-17 is installed, duct in mounting limit platform a-2-16 forms air duct a-2-19 jointly, air admission hole a-2-20 is its port in carrier member a-2.
Pressure chamber shell 3 is by pressure chamber shell circular seal platform a-3-1, the square erecting bed a-3-2 of pressure chamber shell, pressure chamber shell toroidal shell a-3-3, pressure chamber diaphragm annular mounting groove a-3-4, pressure chamber annular electrode mounting groove a-3-5, pressure chamber shell assembling screw a-3-6, pressure chamber package lead hole a-3-7, pressure chamber package lead groove a-3-8, pressure chamber shell gas port a-3-9 is formed, pressure chamber shell circular seal platform a-3-1 protrudes from the outer surface of the square erecting bed a-3-2 of pressure chamber shell, it leaves pressure chamber package lead hole a-3-7, pressure chamber package lead groove a-3-8, pressure chamber shell gas port a-3-9 and pressure chamber housing electrode mounting groove a-3-5, for the installation of the center fixed electrode a-4 in pressure chamber a-11 and loop wire electrode a-5, the square erecting bed a-3-2 of pressure chamber shell is between pressure chamber shell circular seal platform a-3-1 and pressure chamber shell toroidal shell a-3-3, can connect with carrier shell a-3 and assemble, its corner is arranged with pressure chamber shell assembling screw a-3-6, the side, center that pressure chamber shell toroidal shell a-3-3 is positioned at the square erecting bed a-3-2 of pressure chamber shell is attached thereto, can be connected with the pressure chamber annular stop platform a-2-2 of carrier shell a-2, and jointly form pressure chamber a-11 with pressure chamber shell circular seal platform a-3-1, the free-end of pressure chamber shell toroidal shell a-3-3 is provided with pressure chamber diaphragm annular mounting groove a-3-4, for the air pressure reaction diaphragm a-7 in setting-in pressure chamber.
The center fixed electrode a-4 of this programme by, electrode stationary plane a-4-1, electrode arcwall face a-4-2 and electrode anchor leg a-4-3 form, annular electrode a-5 extends lead-in wire a-5-2 by annular electro polar body a-5-1 and electrode and forms; Disc spring a-6 is made up of edge a-6-1, helical structure a-6-2 and center traveling electrode a-6-3; Air pressure reaction diaphragm a-7 is made up of annular bar a-7-1 and seal membrane a-7-2.
The invention has the beneficial effects as follows: scheme one linker upper-lower casing and negative pressure cavity, the integrated design of air guide joint manufacture, and circuits assembly is simple; Linker lower casing by air pressure reaction diaphragm firmly between two-way pressure chamber, good airproof performance, scheme two linker positive/negative pressure chamber is designed, by two diaphragm structure, positive/negative-pressure chamber can not interfere with each other again on functional realiey in ingenious connection, the helical structure traveling electrode modularized design that scheme one, scheme two have jointly, not yielding, flexible swinging, be quick on the draw to small air pressure, connecting and disconnecting of the circuit reliability is high; Switching device assembling is simple, easy to manufacture, has practical application in industry and is worth.
Accompanying drawing explanation
Fig. 1 is the overall cut-away view of scheme one, also can be used as Figure of abstract
Fig. 2 is scheme one vertical view
Fig. 3 is the upward view of scheme one linker upper casing
Fig. 4 is the vertical view of scheme one linker upper casing
Fig. 5 is the vertical view of scheme one linker lower casing
Fig. 6 is the perspective view of scheme one linker lower casing
Fig. 7 is the structure chart of the central electrode of scheme one
Fig. 8 is the structure chart of the annular electrode of scheme one
Fig. 9 is the structure chart of scheme one disc spring
Figure 10 is scheme one air pressure sensing chip structural representation
Figure 11 is scheme one air pressure sensing chip A-A ' cutaway view
Figure 12 is the schematic diagram of scheme one linker upper casing assembly center fixed electrode
Figure 13 is the schematic diagram of scheme one linker upper casing assembly center fixed electrode, annular electrode
Figure 14 is scheme one linker upper casing assembly center fixed electrode, annular electrode, the schematic diagram of disc spring
Figure 15 is the schematic diagram of scheme one linker lower casing assembly center fixed electrode
Figure 16 is the schematic diagram of scheme one linker lower casing assembly center fixed electrode, annular electrode
Figure 17 is the schematic diagram of scheme one linker lower casing assembly center fixed electrode, annular electrode, disc spring
Figure 18 is the schematic diagram of scheme one linker lower casing assembly center fixed electrode, annular electrode, disc spring, air pressure reaction diaphragm
Figure 19 is the left side view of scheme two linker
Figure 20 is the right side view of scheme two linker
Figure 21 is the cutaway view of scheme two linker
Figure 22 is the outer side view of scheme two linker negative pressure cavity shell
Figure 23 is the inner side view of scheme two linker negative pressure cavity shell
Figure 24 is the left side view of scheme two linker carrier shell
Figure 25 is the right side view of scheme two linker carrier shell
Figure 26 is the outer side view of scheme two linker pressure chamber shell
Figure 27 is the inner side view of the linker pressure chamber shell of scheme two
Figure 28 is the schematic diagram of scheme two linker carrier shell assembly center fixed electrode
Figure 29 is the schematic diagram of scheme two linker carrier shell assembly center fixed electrode, annular electrode
Figure 30 is scheme two linker carrier shell assembly center fixed electrode, annular electrode, the schematic diagram of disc spring
Figure 31 is scheme two linker upper casing assembly center fixed electrode, annular electrode, the schematic diagram of disc spring and air pressure reaction diaphragm
Figure 32 is the schematic diagram of scheme two linker pressure chamber shell assembly center fixed electrode
Figure 33 is the schematic diagram of scheme two linker pressure chamber shell assembly center fixed electrode, annular electrode
Figure 34 is scheme two linker pressure chamber shell assembly center fixed electrode, schematic diagram Figure 35 of annular electrode, disc spring is the schematic diagram of scheme two linker pressure chamber shell assembly center fixed electrode, annular electrode, disc spring and air pressure reaction diaphragm
Wherein:
Scheme 1, linker upper casing
The square assembly bench of 1-1, upper casing
1-2, installation earclip
1-3, upper pressure chamber housing
1-4, sealing annular table
1-5, upper casing annular electrode groove
1-6, electrode protect platform
1-7, upper casing electrode hole
1-8, upper casing gas port
1-9, upper casing wire lead slot
1-10, upper casing fairlead
1-11, upper casing fixing threaded hole
2, linker lower casing
The square assembly bench of 2-1, lower casing
2-2, downforce chamber toroidal shell
2-3, diaphragm install cannelure
2-4, lower casing annular electrode groove
2-5, air slot
2-6, air guide hole
2-7, lower casing fairlead
2-8, lower casing wire lead slot
2-9, linker mounting limit platform
Fixed station installed by 2-10, linker
2-11, outer member connector
2-12, air duct
2-13, lower casing fixing threaded hole
3, center fixed electrode
3-1, electrode stationary plane
3-2, electrode arcwall face
3-3, electrode anchor leg
4, annular electrode
4-1, annular electro polar body
4-2, electrode extend lead-in wire
5, disc spring
5-1, edge
5-2, helical structure
5-3, center traveling electrode
6, air pressure reaction diaphragm
6-1, annular bar
6-2, seal membrane
7, air guide joint
8, contact conductor
9, upper pressure chamber
10, downforce chamber
11, fixed screw
Scheme two
A-1, negative pressure cavity shell
A-1-1, negative pressure cavity shell circular seal platform
A-1-2, negative pressure cavity shell toroidal shell
A-1-3, the square erecting bed of negative pressure cavity shell
A-1-4, negative pressure cavity shell assembling screw
A-1-5, negative pressure cavity shell gas port
A-2, carrier shell
The square assembly bench of a-2-1, pressure chamber
A-2-2, pressure chamber annular stop platform
A-2-3, pressure chamber sealing limiting stand
A-2-4, assembling limited post
A-2-5, assembling screw
A-2-6, positive and negative air-pressure chamber cut off
A-2-7, carrier shell electrode hole
A-2-8, positive and negative air-pressure chamber gas port
A-2-9, electrode protect platform
A-2-10, carrier shell fairlead
A-2-11, negative pressure cavity annular electrode groove
A-2-12, negative pressure cavity annular stop platform
A-2-13, negative pressure cavity annular chamber wall
A-2-14, air pressure reaction diaphragm annular mounting groove
The square assembly bench of a-2-15, negative pressure cavity
A-2-16, mounting limit platform
A-2-17, installation fixed station
A-2-18, outer member connector
A-2-19, air duct
A-2-20, air admission hole
A-3, pressure chamber shell
A-3-1, pressure chamber shell circular seal platform
A-3-2, the square erecting bed of pressure chamber shell
A-3-3, pressure chamber shell toroidal shell
A-3-4, pressure chamber diaphragm annular mounting groove
A-3-5, pressure chamber annular electrode mounting groove
A-3-6, pressure chamber shell assembling screw
A-3-7, pressure chamber package lead hole
A-3-8, pressure chamber package lead groove
A-3-9, pressure chamber shell gas port
A-4, center fixed electrode
A-4-1, electrode stationary plane
A-4-2, electrode arcwall face
A-4-3, electrode anchor leg
A-5, annular electrode
A-5-1, annular electro polar body
A-5-2, electrode extend lead-in wire
A-6, disc spring
A-6-1, edge
A-6-2, helical structure
A-6-3, center traveling electrode
A-7, air pressure reaction diaphragm
A-7-1, annular bar
A-7-2 seal membrane
A-8, air guide joint
A-9, contact conductor
A-10, negative pressure cavity
A-11, pressure chamber
A-12, gas buffer chamber
Embodiment
Scheme one: as Fig. 1-Figure 18, linker upper casing 1 and linker lower casing 2 are main bodys of linker, and the negative and downforce chamber 10 of upper pressure chamber 9 is respectively on its respective face, and pressure chamber is integrated with linker to be manufactured; Air guide joint 7, below linker lower casing 2, integratedly with linker lower casing 2 to manufacture; Air guide joint 7 center has the air guide hole 2-6 of the square assembly bench 2-1 of air duct 12 and lower casing to be communicated with, and it is inner that air guide hole 2-6 is opened on downforce chamber 10; Bottom downforce chamber 10 and upper pressure chamber 9 top center center fixed electrode 3 is set, inside upper pressure chamber housing 1-3 and downforce chamber toroidal shell 2-2, annular electrode 4 is set, center fixed electrode 3 and annular electrode 4 both can adopt that pre-buried mode is integrated with switch body to be manufactured, also can manufacture separately and assemble, center fixed electrode 3 exceeds upper pressure chamber 9 inner top surface; Linker upper casing 1 and the electrode in linker lower casing 2 are drawn out to the outer surface of linker, for being connected to circuit by upper/lower electrode groove by contact conductor 8 in pressure chamber.
Disc spring 5 is installed to linker upper casing 1 with on the annular electrode 4 in linker lower casing 2, its edge 5-1 surrounding is reliably connected with annular electrode 4, its free surface is concordant with the collar extension of pressure chamber, helical structure 5-2 is in home position, center traveling electrode 5-3 and center fixed electrode 3 are disconnected, then annular electrode 4 and center fixed electrode 3 are disconnected, and switch is in off-state.
The diaphragm that the O type ring 6-1 of air pressure reaction diaphragm 6 is placed in linker lower casing 2 is installed on cannelure 2-3, the sealing annular table 1-4 of device upper casing 1 of being connected closely fixes, the upper and lower surface of seal membrane 6-2 is adjacent to the free surface of two disc springs 5 being positioned at pressure chamber 9 and downforce chamber 10,6-1 is flexible for O type ring, and the deformation under pressure is by separated for two-way pressure chamber and seal.
Air guide joint 7 connects outside wireway, and outside wireway is connected to monitored air-pressure chamber.When the pressure in monitored air-pressure chamber changes, if what produce is normal pressure, seal membrane 6-2 has the trend heaved in upwards pressure chamber 9, promote the center traveling electrode 5-3 generation displacement being upwards positioned at the disc spring 5 of pressure chamber 9, center traveling electrode 5-3 is connected with the electrode arcwall face 3-2 of the center fixed electrode 3 being positioned at pressure chamber 9, because disc spring 5 is communicated with the annular electrode 4 in upper pressure chamber 9, so central electrode 3 and annular electrode 4 have just been connected, now the bipolar mutual linker of positive and negative micro-air pressure connects; If what produce in air-pressure chamber is negative pressure, then seal membrane 6-2 meeting downward pressure chamber 10 sunken inside, the helical structure 5-2 that seal membrane 6-2 can promote the disc spring 5 being positioned at downforce chamber 10 moves down, and center traveling electrode 5-3 is connected with the electrode arcwall face 3-2 of the center fixed electrode 3 being positioned at downforce chamber 10, because disc spring 5 and the annular electrode 4 being positioned at downforce chamber 10 connect, so center fixed electrode 3 and annular electrode 4 have just been connected, now the bipolar mutual linker of positive and negative micro-air pressure has also been connect.Be arranged in two-way pressure Qiang Nei center fixed electrode 3 be connected with annular electrode 4 by contact conductor 9 correspondence and be connected to warning circuit, small pressure change just can be connected by driving switch device, and warning circuit just can produce audible and visual alarm.When distress resolves in monitored air-pressure chamber, air pressure reaction diaphragm 6 gets back to original position under natural resiliency effect, and the helical structure 5-2 of the disc spring 5 in two-way pressure chamber also returns to original position, and the bipolar mutual linker of positive and negative micro-air pressure disconnects.
Scheme two:
As Figure 19 Figure 35, linker negative pressure cavity shell a-1, carrier shell a-2, pressure chamber shell a-3 are the main bodys of linker, negative pressure cavity a-10 bears and pressure chamber a-11 is by negative pressure cavity shell a-1 and carrier shell a-2 respectively, the pressure chamber that pressure chamber shell a-3 and carrier shell a-2 forms, air guide joint a-8, below carrier shell a-2, integratedly with carrier shell a-2 to manufacture; Air guide joint a-8 center has air duct a-2-19 to be communicated with the air admission hole a-2-20 of carrier shell a-2, and air admission hole a-2-20 is opened on bottom the pressure buffer chamber a-12 between the air pressure reaction diaphragm a-7 that to be cut off by positive and negative air-pressure chamber in a-2-6 and pressure chamber a-11; The positive and negative air-pressure chamber partition a-2-6 of carrier shell a-2 arranges negative pressure cavity a-10 center fixed electrode a-4 and annular electrode a-5, in the pressure chamber shell ring packing platform a-3-1 of pressure chamber shell a-3, pressure chamber a-11 center fixed electrode a-4 and annular electrode a-5 is set, center fixed electrode a-4 in negative pressure cavity a-10 and pressure chamber a-11 and annular electrode a-5 both can adopt that pre-buried mode is integrated with switch body to be manufactured, also can manufacture separately and assemble, center fixed electrode a-4 exceeds upper negative pressure cavity a-10 and pressure chamber a-ll inner top surface; Electrode in linker carrier shell a-2 and linker pressure chamber shell a-3 is drawn out to the outer surface of linker, for being connected to circuit by pressure chamber package lead groove a-3-8 carrier shell fairlead a-2-10 by contact conductor a-9 in positive/negative pressure chamber.
Disc spring a-6 is installed on the annular electrode a-5 in linker carrier shell a-2 and pressure chamber shell a-3, its edge a-6-1 surrounding is reliably connected with annular electrode a-5, its free surface is concordant with the collar extension of pressure chamber, helical structure a-6-2 is in home position, center traveling electrode a-6-3 and center fixed electrode a-4 disconnects, then annular electrode a-5 and center fixed electrode a-4 disconnects, and switch is in off-state.
The O type ring a-7-1 of the air pressure reaction diaphragm a-7 in negative pressure cavity a-10 is placed in the air pressure reaction diaphragm annular mounting groove a-2-14 of carrier shell a-2, fixed by the negative pressure cavity shell circular seal platform a-1-1 of negative pressure cavity shell a-1, the O type ring a-7-1 of the air pressure reaction diaphragm a-7 in pressure chamber a-11 is arranged on the pressure chamber diaphragm annular mounting groove a-3-4 of pressure chamber shell a-3, the pressure chamber sealing limiting stand a-2-3 of device carrier shell a-2 of being connected closely fixes, the upper and lower surface of seal membrane a-7-2 is adjacent to the free surface of two the disc spring a-6 being positioned at negative pressure cavity a-10 and pressure chamber a-11, a-7-1 is flexible for O type ring, deformation under pressure is by separated for two-way pressure chamber and seal.
Air guide joint a-8 connects outside wireway, and outside wireway is connected to monitored air-pressure chamber.When the pressure in monitored air-pressure chamber changes, if what produce is normal pressure, the trend heaved in the oriented pressure chamber a-11 of seal membrane a-7-2 in air push malleation chamber a-11 in atmospheric pressure cavity cushion chamber a-12, promotion is positioned at the displacement of traveling electrode a-6-3 generation in center to pressure chamber side of the disc spring a-6 of pressure chamber a-11, center traveling electrode a-6-3 is connected with the electrode arcwall face a-4-2 of the center fixed electrode a-4 being positioned at pressure chamber a-11, because disc spring a-6 is communicated with the annular electrode a-5 in pressure chamber a-11, so center fixed electrode a-4 and annular electrode a-5 has just connected, now the bipolar mutual linker of positive and negative micro-air pressure connects, if what produce in air-pressure chamber is negative pressure, air in negative pressure cavity a-10 moves in the a-12 of pressure buffer chamber through positive and negative air-pressure chamber gas port a-2-8, in tractive negative pressure cavity a-10, seal membrane a-7-2 is to carrier shell side to depression, seal membrane a-7-2 can promote the helical structure a-6-2 of the disc spring a-6 being positioned at negative pressure cavity a-10 to carrier shell side to movement, center traveling electrode a-6-3 is connected with the electrode arcwall face a-4-2 of the center fixed electrode a-4 being positioned at negative pressure cavity a-10, because disc spring a-6 and the annular electrode a-5 being positioned at negative pressure cavity a-10 connect, so center fixed electrode a-4 and annular electrode a-5 has just connected, now the bipolar mutual linker of positive and negative micro-air pressure is also connect.Be arranged in negative pressure cavity a-10 connect with pressure chamber a-11 center fixed electrode a-4 and annular electrode a-5 by contact conductor a-9 is corresponding and is connected to warning circuit, small pressure change just can be connected by driving switch device, and warning circuit just can produce audible and visual alarm.When distress resolves in monitored air-pressure chamber, air pressure reaction diaphragm a-7 gets back to original position under natural resiliency effect, the helical structure a-6-2 of the disc spring a-6 in negative pressure cavity a-10 and pressure chamber a-11 also returns to original position, and the bipolar mutual linker of positive and negative micro-air pressure disconnects.
Claims (12)
1. the bipolar mutual linker of positive and negative micro-air pressure, it is characterized in that: it is by linker upper casing (1), linker lower casing (2), center fixed electrode (3), annular electrode (4), disc spring (5), air pressure reaction diaphragm (6), air guide joint (7), contact conductor (8), upper pressure chamber (9), downforce chamber (10) forms, upper pressure chamber housing (1-3) top of linker upper casing (1), the electrode stationary plane (3-1) of center fixed electrode (3) fits tightly with it, by the anchor leg (3-3) of center fixed electrode (3) being each passed through upper casing fairlead (1-10) on linker upper casing (1) and upper casing electrode hole (1-7) center fixed electrode is fixed on the top of upper pressure chamber (9), the annular electro polar body (4-1) of annular electrode (4) is embedded in the upper casing annular electrode groove of linker upper casing (1), electrode extends lead-in wire (4-2) and passes upper pressure chamber (9) by upper casing wire lead slot (1-9), seamless applying with it on the annular electro polar body (4-1) that the edge (5-1) of disc spring (5) is placed on annular electrode (4), the bottom, downforce chamber toroidal shell (2-2) of linker lower casing (2), center fixed electrode (3) passes through electrode anchor leg (3-3) through lower casing fairlead (2-7), electrode stationary plane (3-1) is made to be affixed on bottom, downforce chamber toroidal shell (2-2), annular electrode (4) is embedded with equally in the lower casing annular electrode groove (2-3) of linker lower casing (2), in the upper and linker upper casing (1) of annular electrode (4), device has disc spring (5) in the same fashion, the diaphragm that air pressure reaction diaphragm (6) is inlaid in linker lower casing (2) is installed in cannelure (2-3), center fixed electrode (3) is housed, annular electrode (4), the linker upper casing (1) of disc spring (5) by the lower surface of the square assembly bench of upper casing (1-1) with center fixed electrode (3) is housed, annular electrode (4), disc spring (5), the upper surface of the square assembly bench of lower casing (2-1) of the linker lower casing (2) of air pressure reaction diaphragm (6) fits, and by making linker upper casing (1) and linker lower casing (2) be assembled together through upper casing fixing threaded hole (1-11) and lower casing fixing threaded hole (2-13) fixed screw (11), air pressure reaction diaphragm (6) is fixed on ring packing platform (1-4) and diaphragm is installed between cannelure (2-3), be upper pressure chamber (9) and downforce chamber (10) by linker upper casing (1) and linker lower casing (2) inside division after assembling.
2. the bipolar mutual linker of positive and negative micro-air pressure according to claim 1, it is characterized in that: linker upper casing (1) is by the square assembly bench of upper casing (1-1), earclip (1-2) is installed, upper pressure chamber housing (1-3), sealing annular table (1-4), upper casing annular electrode groove (1-5), electrode protects platform (1-6), upper casing electrode hole (1-7), upper casing gas port (1-8), upper casing wire lead slot (1-9), upper casing fairlead (1-10), upper casing fixing threaded hole (1-11) forms, the square assembly bench of upper casing (1-1) corner is symmetrically distributed with four upper casing fixing threaded holes (1-11), the both sides that earclip (1-2) is positioned at the square assembly bench of upper casing (1-1) are installed, identical with its thickness, for symmetrical ear structure, upper pressure chamber housing (1-3) is positioned on the square assembly bench of upper casing (1-1), the cylindrical shell of the top seal of cylindrical upper pressure chamber (10) is had for inside, its upper surface is equipped with upper casing electrode hole (1-7), , upper casing gas port (1-8), upper casing wire lead slot (1-9), upper casing fairlead (1-10), electrode protects platform (1-6) and is positioned on pressure chamber housing (1-3), upper casing electrode hole (1-7) and upper casing wire lead slot (1-9) run through pressure chamber housing (1-3), the inner tip of upper pressure chamber housing (1-3) leaves upper casing annular electrode groove (1-5), lower end and the square assembly bench of upper casing (1-1) are formed and seal annular table (1-4).
3. the bipolar mutual linker of positive and negative micro-air pressure according to claim 1, it is characterized in that: linker lower casing (2) is by the square assembly bench of lower casing (2-1), downforce chamber toroidal shell (2-2), diaphragm installs cannelure (2-3), lower casing annular electrode groove (2-4), air slot (2-5), air guide hole (2-6), lower casing fairlead (2-7), lower casing wire lead slot (2-8), linker mounting limit platform (2-9), fixed station (2-10) installed by linker, outer member connector (2-11), air duct (2-12), lower casing fixing threaded hole (2-13) is formed, downforce chamber toroidal shell (2-2) is positioned on the square assembly bench of lower casing (2-1), upper end is left diaphragm and is installed cannelure (2-3), lower casing annular electrode groove (2-4) is positioned on the square assembly bench of lower casing (2-1) of bottom, downforce chamber toroidal shell (2-2), and at the air slot (2-5) that the upper surface of the square assembly bench of lower casing (2-1) has cross to put centered by the center of circle, the center of air slot (2-5) is air guide hole (2-6), lower casing electrode hole (2-7) is left respectively at the two ends of air slot (2-5), four symmetrical lower casing fixing threaded holes (2-13) are left in the corner of the square assembly bench of lower casing (2-1), lower surface leaves lower casing wire lead slot (2-8), that has time centered by linker mounting limit platform (2-9) is cylindric, protrude from the square assembly bench of lower casing (2-1) lower surface, linker install fixed station (2-10) be positioned at linker mounting limit platform (2-9) lower surface also centered by free cylindric, outer member connector (2-11) is positioned at the lower end that fixed station (2-10) installed by linker, center is porose, with linker, fixed station (2-10) is installed, the centre bore of linker mounting limit platform (2-9) forms air duct (2-12), with air guide hole (2-6) for upper end port.
4. the bipolar mutual linker of positive and negative micro-air pressure according to claim 1, it is characterized in that: center fixed electrode (3) is by electrode stationary plane (3-1), electrode arcwall face (3-2), electrode anchor leg (3-3) forms, electrode stationary plane (3-1) is circular flat, fit in the top of pressure chamber (9) or the bottom of downforce chamber (10), electrode arcwall face (3-2) is for curved surfaces indwelling is in upper pressure chamber (9) or downforce chamber (10), corresponding with the center traveling electrode (5-3) of disc spring (5), can be connected with the center traveling electrode (5-3) of disc spring (5) when air pressure reaction diaphragm (6) is mobile, electrode anchor leg (3-3) is shape-adjustable wire, through fairlead, center fixed electrode (3) can be fixed in upper pressure chamber housing (1-3) or downforce chamber toroidal shell (2-2).
5. the bipolar mutual linker of positive and negative micro-air pressure according to claim 1, it is characterized in that: annular electrode (4) extends lead-in wire (4-2) by annular electro polar body (4-1) and electrode and forms, annular electro polar body (4-1) can be embedded in the slot electrode in two-way pressure chamber for annular metal, one end is embedded in slot electrode, the other end and disc spring (5) are fitted, electrode extend lead-in wire (4-2) be positioned at annular electro polar body (4-1) inlay end be connected with extrados, for the plain conductor of shape-adjustable, wire lead slot can be passed through through electrode hole or fairlead, certain fixation is had to annular electrode (4).
6. the bipolar mutual linker of positive and negative micro-air pressure according to claim 1, it is characterized in that: disc spring (5) is by edge (5-1), helical structure (5-2), center traveling electrode (5-3) is formed, disc spring (5) entirety is circular metal plate, edge (5-1) plays a supportive role for annular sheet metal can be affixed with annular electro polar body (4-1), helical structure (5-2) is the metal spiral sheet separated by spirality line of cut, connection center traveling electrode (5-3) is connected and edge (5-1), center traveling electrode (5-3) can be moved with air pressure reaction diaphragm (6).
7. the bipolar mutual linker of positive and negative micro-air pressure according to claim 1, it is characterized in that: air pressure reaction diaphragm (6) is made up of annular bar (6-1) and seal membrane (6-2), annular bar (6-1) for cross section be that circular annular bar can be embedded in lower annular electrode groove (2-4) and plays fixation, seal membrane (6-2) is thin rounded flakes, can with air pressure change generation deformation.
8. the bipolar mutual linker of positive and negative micro-air pressure, it is characterized in that: it is by negative pressure cavity shell (a-1), carrier shell (a-2), pressure chamber shell (a-3), center fixed electrode (a-4), annular electrode (a-5), disc spring (a-6), air pressure reaction diaphragm (a-7), air guide joint (a-8), contact conductor (a-9), negative pressure cavity (a-10), pressure chamber (a-11), pressure buffer chamber (a-12) forms, negative pressure cavity Mian Shang center fixed electrode (a-4) in positive and negative air-pressure chamber partition (a-2-6) of carrier shell (a-2) is fitted in the carrier shell side of negative pressure cavity (a-10) by electrode anchor leg (a-4-3), the annular electro polar body (a-5-1) of annular electrode (a-5) is inlaid in negative pressure cavity annular electrode groove (a-2-11), disc spring (a-6) is arranged on the free-end of the annular electro polar body (a-5-1) of annular electrode (a-5), air pressure reaction diaphragm (a-7) is inlaid in air pressure reaction diaphragm annular mounting groove (a-2-14), the square erecting bed of negative pressure cavity shell (a-1-3) of negative pressure cavity shell (a-1) is corresponding with the square assembly bench of negative pressure cavity (a-2-15) of carrier shell (a-2) assemble and use screw pass negative pressure cavity shell assemble screw (a-1-4) and assemble screw (a-2-5) fixing both, after assembling, the confined space that air pressure reaction diaphragm (a-7) is positioned between the medial surface of negative pressure cavity shell circular seal platform (a-1-1) of negative pressure cavity shell (a-1) and the air pressure reaction diaphragm annular mounting groove (a-2-14) of carrier shell (a-2) makes it fixing, the medial surface mounting center fixed electrode (a-4) of pressure chamber shell circular seal platform (a-3-1) of pressure chamber shell (a-3), the interior setting-in annular electrode (a-5) of pressure chamber annular electrode mounting groove (a-3-5), pressure chamber diaphragm annular mounting groove (a-3-4) interior setting-in air pressure reaction diaphragm (a-7), disc spring (a-6) is housed between air pressure reaction diaphragm (a-7) and annular electrode, be equipped with center fixed electrode (a-4), annular electrode (a-5), the square erecting bed of pressure chamber shell (a-3-2) of the pressure chamber shell (a-3) of disc spring (a-6) gentle pressure reaction diaphragm (a-7) is corresponding with the square assembly bench of pressure chamber (a-2-1) of carrier shell (a-2) to be assembled, and fix by installing screw additional in pressure chamber shell assembling screw (a-3-6) with assembling screw (a-2-5), pressure chamber shell toroidal shell (a-3-3) and pressure chamber annular stop platform (a-2-3) seamless connection make to be positioned at the air pressure reaction diaphragm (a-7) of pressure chamber (a-11) and positive and negative air-pressure chamber cuts off mineralization pressure cushion chamber (a-12) between (a-2-6).
9. the bipolar mutual linker of positive and negative micro-air pressure according to claim 8, it is characterized in that: negative pressure cavity shell (a-1) is by negative pressure cavity shell circular seal platform (a-1-1), negative pressure cavity shell toroidal shell (a-1-2), the square erecting bed of negative pressure cavity shell (a-1-3), negative pressure cavity shell assembling screw (a-1-4), negative pressure cavity shell gas port (a-1-5) forms, negative pressure cavity shell circular seal platform (a-1-1) is positioned at one end of negative pressure cavity toroidal shell (a-1-2), the formation of negative pressure cavity (a-10) is sealed, also be the stationary plane of the air pressure reaction diaphragm (a-7) in negative pressure cavity, it leaves negative pressure cavity shell gas port (a-1-5), the other end of negative pressure cavity shell toroidal shell (a-1-2) is the square erecting bed of the square erecting bed of negative pressure cavity (a-1-3) negative pressure cavity (a-1-3) leaves negative pressure cavity shell assembling screw (a-1-4).
10. the bipolar mutual linker of positive and negative micro-air pressure according to claim 8, it is characterized in that: carrier shell (a-2) is by the square assembly bench of pressure chamber (a-2-1), pressure chamber annular stop platform (a-2-2), pressure chamber sealing limiting stand (a-2-3), assembling limited post (a-2-4), assembling screw (a-2-5), positive and negative air-pressure chamber cuts off (a-2-6), carrier shell electrode hole (a-2-7), positive and negative air-pressure chamber gas port (a-2-8), electrode protects platform (a-2-9), carrier shell fairlead (a-2-10), negative pressure cavity annular electrode groove (a-2-11), negative pressure cavity annular stop platform (a-2-12), negative pressure cavity annular chamber wall (a-2-13), air pressure reaction diaphragm annular mounting groove (a-2-14), the square assembly bench of negative pressure cavity (a-2-15), mounting limit platform (a-2-16), fixed station (a-2-17) is installed, outer member connector (a-2-18), air duct (a-2-19), air admission hole (a-2-20) forms, the square assembly bench of pressure chamber (a-2-1) is square ring platform, air admission hole (a-2-20) is left in the position that positive/negative pressure chamber partition (a-2-6) is pressed close at center, downside, that gas enters pressure buffer chamber (a-12) air inlet from the external world, the square assembly bench of pressure chamber (a-2-1) corner is symmetrically distributed with assembling limited post (a-2-4), assembling screw (a-2-5) is left in limited post, pressure chamber annular stop platform (a-2-2) is positioned at the square assembly bench of pressure chamber (a-2-1) inner side with it with high, can with toroidal shell (a-3-3) seamless connection of pressure chamber shell (a-3) pressure chamber shell, play fixation pressure chamber enclosure (a-3), pressure chamber sealing limiting stand (a-2-3) is positioned at the bottom of pressure chamber annular stop platform (a-2-2), the air pressure reaction diaphragm (a-7) in fixation pressure chamber (a-11) jointly can be played with the pressure chamber diaphragm annular mounting groove (a-3-4) of pressure chamber shell (a-3), pressure chamber sealing limiting stand (a-2-3) connects positive and negative air-pressure atmospheric pressure cavity and cuts off (a-2-6), positive and negative air-pressure chamber cuts off on (a-2-6) except being provided with positive and negative air-pressure chamber gas port (a-2-8), the gas in pressure buffer chamber (a-12) can be made to enter in negative pressure cavity by gas port, also leave carrier shell fairlead (a-2-10), the outside relative with air admission hole (a-2-20) of the pressure chamber square assembly bench (a-2-1) corresponding with pressure buffer chamber (a-12) is provided with electrode and protects platform (a-2-9), electrode protects in platform (a-2-9) and leaves carrier shell fairlead (a-2-10), the negative pressure cavity face that positive and negative air-pressure chamber cuts off (a-2-6) is provided with negative pressure cavity annular electrode groove (a-2-11), negative pressure cavity annular electrode groove (a-2-11) lateral border is negative pressure cavity annular chamber wall (a-2-13), the free-end of negative pressure cavity annular chamber wall (a-2-13) leaves air pressure reaction diaphragm annular mounting groove (a-2-14), can air pressure reaction diaphragm (a-7) in setting-in negative pressure cavity, the partition side of negative pressure cavity annular chamber wall (a-2-13), the inner side of the square assembly bench of negative pressure cavity (a-2-15) is provided with negative pressure cavity annular stop platform (a-2-12), negative pressure cavity annular stop platform (a-2-12) can be connected negative pressure cavity shell (a-1) position-limiting action with the free-end of negative pressure cavity shell toroidal shell (a-1-2), the square assembly bench of negative pressure cavity (a-2-15) is square ring platform, on the downside of it, the outer rim of corresponding pressure buffer chamber (a-12) is mounting limit platform (a-2-16), the circular cylindrical shape of emptying aperture is had centered by mounting limit platform (a-2-16), its Main Function limits position when negative pressure cavity shell (a-1) assembles with pressure chamber shell (a-2), be connected the link position of limit external piece with external piece in carrier member (a-2), mounting limit platform (a-2-16) below is installs fixed station (a-2-17), porose cylindric centered by it, mainly play fixed position when being connected with outer member, outer member connector (a-2-18) is positioned at installs fixed station (a-2-17) hypomere, external piece can be connected, in the middle of it duct with fixed station (a-2-17) is installed, duct in mounting limit platform (a-2-16) forms air duct (a-2-19) jointly, air admission hole (a-2-20) is its port in carrier member (a-2).
The bipolar mutual linker of 11. positive and negative micro-air pressure according to claim 8, it is characterized in that: pressure chamber shell (3) is by pressure chamber shell circular seal platform (a-3-1), the square erecting bed of pressure chamber shell (a-3-2), pressure chamber shell toroidal shell (a-3-3), pressure chamber diaphragm annular mounting groove (a-3-4), pressure chamber annular electrode mounting groove (a-3-5), pressure chamber shell assembling screw (a-3-6), pressure chamber package lead hole (a-3-7), pressure chamber package lead groove (a-3-8), pressure chamber shell gas port (a-3-9) is formed, pressure chamber shell circular seal platform (a-3-1) protrudes from the outer surface of the square erecting bed of pressure chamber shell (a-3-2), it leaves pressure chamber package lead hole (a-3-7), pressure chamber package lead groove (a-3-8), pressure chamber shell gas port (a-3-9) and pressure chamber housing electrode mounting groove (a-3-5), for the installation of the center fixed electrode (a-4) in pressure chamber (a-11) and loop wire electrode (a-5), the square erecting bed of pressure chamber shell (a-3-2) is positioned between pressure chamber shell circular seal platform (a-3-1) and pressure chamber shell toroidal shell (a-3-3), can connect with carrier shell (a-3) and assemble, its corner is arranged with pressure chamber shell assembling screw (a-3-6), the side, center that pressure chamber shell toroidal shell (a-3-3) is positioned at the square erecting bed of pressure chamber shell (a-3-2) is attached thereto, can be connected with the pressure chamber annular stop platform (a-2-2) of carrier shell (a-2), and jointly form pressure chamber (a-11) with pressure chamber shell circular seal platform (a-3-1), the free-end of pressure chamber shell toroidal shell (a-3-3) is provided with pressure chamber diaphragm annular mounting groove (a-3-4), for the air pressure reaction diaphragm (a-7) in setting-in pressure chamber.
The bipolar mutual linker of 12. positive and negative micro-air pressure according to claim 8, it is characterized in that center fixed electrode (a-4) is made up of electrode stationary plane (a-4-1), electrode arcwall face (a-4-2) and electrode anchor leg (a-4-3), annular electrode (a-5) extends lead-in wire (a-5-2) by annular electro polar body (a-5-1) and electrode and forms; Disc spring (a-6) is made up of edge (a-6-1), helical structure (a-6-2) and center traveling electrode (a-6-3); Air pressure reaction diaphragm (a-7) is made up of annular bar (a-7-1) and seal membrane (a-7-2).
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| CN201310000786.2A CN103915285B (en) | 2013-01-04 | 2013-01-04 | The bipolar mutual linker of a kind of positive and negative micro-air pressure |
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| TWI626375B (en) | 2017-01-20 | 2018-06-11 | 研能科技股份有限公司 | Fluid transmitting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368366A (en) * | 1980-01-23 | 1983-01-11 | Aisin Seiki Kabushiki Kaisha | Pneumatically operated device with valve and switch mechanisms |
| CN2115578U (en) * | 1992-01-25 | 1992-09-09 | 吴尊龙 | Proximity type positive pressure switch |
| US6580042B1 (en) * | 2002-03-13 | 2003-06-17 | Xilor, Inc. | Circuit board integrated pressure switch |
| CN202384254U (en) * | 2012-01-06 | 2012-08-15 | 郑州昊能科技有限公司 | Micro negative pressure drive switch device |
-
2013
- 2013-01-04 CN CN201310000786.2A patent/CN103915285B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4368366A (en) * | 1980-01-23 | 1983-01-11 | Aisin Seiki Kabushiki Kaisha | Pneumatically operated device with valve and switch mechanisms |
| CN2115578U (en) * | 1992-01-25 | 1992-09-09 | 吴尊龙 | Proximity type positive pressure switch |
| US6580042B1 (en) * | 2002-03-13 | 2003-06-17 | Xilor, Inc. | Circuit board integrated pressure switch |
| CN202384254U (en) * | 2012-01-06 | 2012-08-15 | 郑州昊能科技有限公司 | Micro negative pressure drive switch device |
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