CN104234986B - Micro pressure power set - Google Patents
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- CN104234986B CN104234986B CN201310253543.XA CN201310253543A CN104234986B CN 104234986 B CN104234986 B CN 104234986B CN 201310253543 A CN201310253543 A CN 201310253543A CN 104234986 B CN104234986 B CN 104234986B
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Abstract
The present invention is about a kind of micro pressure power set, including: minitype gas transmitting device, inlet plate, runner plate, resonance plate and the piezo-activator arranged including stacking, wherein having one first chamber that gap is formed between resonance plate and piezo-activator, when making piezo-activator driven, gas is imported by inlet plate, through runner plate and resonance plate, enter in the first chamber, transmit still further below, to form the lasting pushing out gas of barometric gradient runner；Micro valve device includes gas collection plate, valve sheet and the exit plate that stacking is arranged；When gas transmits downwards to gas collection chamber from minitype gas transmitting device, then it is transferred in micro valve device, makes with the one-way flow in response to gas the valve opening of valve sheet open or close, to carry out collection pressure or release.
Description
Technical field
Present disclosure generally relates to a kind of Pneumatic propelling plant, a kind of micro ultrathin and quiet micro pressure move
Power apparatus.
Background technology
At present in each field either medicine, computer technology, print, the industry such as the energy, product is all towards essence
Causeization and microminiaturization direction are developed, the most micro-side Pu, aerosol apparatus, ink gun, the industry product such as printing device
The fluid delivery structure comprised is its key technology, therefore how mat innovation structure breaks through its technical bottleneck,
Important content for development.
For example, in medicinal industry, many needs instrument or the equipment using Pneumatic pressure power to drive, logical
Often adopt with conventional motor and air pressure valve to reach the purpose of its gas conveying.But, it is limited to these tradition horses
Reach and the volumetric constraint of gas trap so that this type of instrument and equipment is difficult to reduce the volume of its single unit system,
I.e. being difficult to the target of slimming, more cannot make reaches portable purpose.Additionally, such tradition horse
Reaching and gas trap also can produce the problem of noise when start, cause on using is not convenient and uncomfortable.
Therefore, how to develop one and can improve above-mentioned known techniques disappearance, conventionally employed gas transmission can be made to fill
The instrument put or equipment reach that volume is little, miniaturization and quiet, and then reach light comfortable portable purpose
Micro pressure power set, problem the most in the urgent need to address.
Summary of the invention
It is an object of the invention to provide a kind of miniature be applicable to portable or Wearable instrument or equipment
Pneumatic propelling plant, by integrating micro charge delivery mechanism and micro valve device, in order to solving known techniques
Use instrument that Pneumatic pressure power drives or the volume that possessed of equipment is big, be difficult to slimming, cannot reach can
Take the purpose of formula, and the disappearance such as noise is big.
For reaching above-mentioned purpose, a broader enforcement aspect of the present invention is for providing a kind of micro pressure power dress
Put, including: minitype gas transmitting device, including: inlet plate, there is at least one air inlet, for importing gas
Body；Runner plate, has at least one and confluxes round and center hole, the air inlet of the round that confluxes this inlet plate corresponding
Hole, and the gas being directed into pore converges into center hole；Resonance plate, has hollow bore, corresponding runner
The center hole of plate；And piezo-activator, have between suspension board and housing, suspension board and housing be with
At least one support connects, and attaches piezoelectric ceramic plate in the surface of suspension board, wherein, above-mentioned inlet plate,
Runner plate, resonance plate and piezo-activator sequentially corresponding stacking arranges location, and resonance plate and piezo-activator
Between have one gap formed one first chamber during so that piezo-activator is driven, gas is by inlet plate
At least one air inlet import, be collected to center hole through at least the one of the runner plate round that confluxes, pass through altogether
Shake the hollow bore of sheet, to enter in the first chamber, then by the sky between at least one support of piezo-activator
Gap is transmitted downwards, to form the lasting pushing out gas of barometric gradient runner；And micro valve device, including:
Gas collection plate, has the first through hole, the second through hole, the first release chamber and the first outlet chamber, and first
Through hole and the first release chamber are connected, the second through hole and the first release chamber and first outlet chamber's phase
Connection；Valve sheet, has a valve opening；And exit plate, have the 3rd through hole, the 4th through hole,
Two pressure-releasing cavities and the second outlet chamber, the 3rd through hole corresponds to the first through hole of gas collection plate, and with second
Release chamber is connected, and the 4th through hole corresponds to the second through hole, and is connected with the second outlet chamber,
And second have a connection runner between release chamber and the second outlet chamber；Wherein, above-mentioned gas collection plate,
Valve sheet and exit plate sequentially corresponding stacking arranges location, this valve sheet be arranged at gas collection plate and exit plate it
Between, and the valve opening of valve sheet is correspondingly arranged between the second through hole and the 4th through hole, gas is from miniature gas
When body transmitting device transmits downwards to micro valve device, the first through hole and the second through hole enter the
In one release chamber and the first outlet chamber, and described gas is flowed in the 4th through hole by the valve opening of valve sheet
Carry out collection pressure operation, when the air pressure collecting body of calming the anger is more than the air pressure of described gas, collects body of calming the anger and pass through from the 4th
Bore a hole towards the flowing of the second outlet chamber, so that valve sheet displacement, and make the valve opening of this valve sheet be resisted against gas collection
Plate and close, collect simultaneously calm the anger body in the second outlet chamber can along connection runner flow to the second release chamber
In, now in this valve sheet displacement indoor of the second pressure-releasing chamber, collecting body of calming the anger can be flowed out by the 3rd through hole, with
Carry out release operation.
Another main purpose system of the present invention provides a kind of micro pressure power set, including: a minitype gas
Transmitting device, including: inlet plate, there is at least one air inlet, for importing gas；Runner plate, have to
Few one confluxes round and center hole, the air inlet of the round correspondence inlet plate that confluxes, and is directed into the gas of pore
Body converges into center hole；Resonance plate, has hollow bore, the center hole of corresponding runner plate；And pressure
Electric actuator, having between suspension board and housing, suspension board and housing is to connect with at least one support, and in
One surface of suspension board attaches piezoelectric ceramic plate；Wherein, above-mentioned inlet plate, runner plate, resonance plate and pressure
Electric actuator sequentially corresponding stacking arranges location, and when piezo-activator is driven, gas is by inlet plate at least
One air inlet imports, and is collected to center hole through at least the one of the runner plate round that confluxes, passes through resonance plate
Hollow bore, to enter in the first chamber, then by the space between at least one support of piezo-activator to
Lower transmission, to form the lasting pushing out gas of barometric gradient runner；And micro valve device, including: gas collection
Plate, has the first through hole, the second through hole, the first release chamber and the first outlet chamber, and first runs through
Hole is connected with the first release chamber, and the second through hole and the first outlet chamber are connected；Valve sheet, has
Valve opening；And exit plate, there is the 3rd through hole, the 4th through hole, the second pressure-releasing cavity and the second outlet plenum
Room, the 3rd through hole is corresponding to the first through hole of gas collection plate, and is connected with the second release chamber, and the 4th
Through hole corresponds to the second through hole, and is connected with the second outlet chamber, and the second release chamber and the
There is between two outlet chamber connection runner；Wherein, above-mentioned gas collection plate, valve sheet and exit plate are the most right
Should stack and arrange location, valve sheet is arranged between gas collection plate and exit plate, and the valve opening correspondence of valve sheet sets
Being placed between this second through hole and the 4th through hole, gas transmits downwards from this minitype gas transmitting device
Time to micro valve device, the first through hole and the second through hole enter the first release chamber and first and go out
In oral chamber, and described gas carries out collection pressure operation in being flowed into the 4th through hole by the valve opening of valve sheet, work as collection
Calm the anger the air pressure of body more than the air pressure of described gas time, collect body of calming the anger from the 4th through hole towards the second outlet chamber
Flowing, so that valve sheet displacement, and making the valve opening of valve sheet be resisted against gas collection plate and close, collection is calmed the anger simultaneously
It is indoor, now in the second pressure release chamber that body can flow to the second pressure-releasing cavity along connection runner in the second outlet chamber
Inner valve sheet displacement, collecting body of calming the anger can be flowed out by the 3rd through hole, to carry out release operation.
For reaching above-mentioned purpose, a broader enforcement aspect of the present invention is for providing a kind of micro pressure power dress
Put, including: minitype gas transmitting device, including sequentially stacking the inlet plate of setting, runner plate, resonance plate
And piezo-activator, wherein there is between resonance plate and piezo-activator the first chamber that gap is formed, pressure
When electric actuator is driven, gas is entered by inlet plate, flows through runner plate and resonance plate, to enter the first chamber
Indoor are transmitted still further below；And micro valve device, including sequentially stack the gas collection plate of setting, valve sheet with
And exit plate, valve sheet has valve opening；Wherein, shape between minitype gas transmitting device and micro valve device
Become gas collection chamber, when gas transmits downwards to gas collection chamber from minitype gas transmitting device, then be transferred to micro-
In type valving, at least two through holes being respectively provided with through gas collection plate, exit plate and at least two chambers,
The valve opening correspondence making valve sheet with the one-way flow in response to gas opens or closes, in order to carrying out collection pressure or release
Operation.
Accompanying drawing explanation
Fig. 1 system is the front decomposition texture signal of the micro pressure power set of the present invention the first preferred embodiment
Figure.
The front decomposition texture that Fig. 2 A system is micro pressure power set that the present invention is the second preferred embodiment
Schematic diagram.
The back side decomposition texture that Fig. 2 B system is micro pressure power set that the present invention is the second preferred embodiment
Schematic diagram.
The Facad structure signal that Fig. 3 A system is the piezo-activator of the micro pressure power set shown in Fig. 2 A
Figure.
The structure signal that Fig. 3 B system is the piezo-activator of the micro pressure power set shown in Fig. 2 A
Figure.
The cross-section structure signal that Fig. 3 C system is the piezo-activator of the micro pressure power set shown in Fig. 2 A
Figure.
Fig. 4 system is the multiple enforcement aspect schematic diagram of the piezo-activator shown in Fig. 3 A.
Fig. 5 A to 5E schemes the minitype gas transmitting device that system is the micro pressure power set shown in Fig. 2 A
Illustrative view.
The collection pressure start signal that Fig. 6 A system is the micro valve device of the micro pressure power set shown in Fig. 2 A
Figure.
The release start signal that Fig. 6 B system is the micro valve device of the micro pressure power set shown in Fig. 2 A
Figure.
Illustrative view pressed by the collection that Fig. 7 A to Fig. 7 E system is the micro pressure power set shown in Fig. 2 A.
Fig. 8 system is blood pressure lowering or the release illustrative view of the micro pressure power set shown in Fig. 2 A.
[main element symbol description]
1,2: small power pneumatic shuttle
1A, 2A: minitype gas transmitting device
1B, 2B: micro valve device
10,20: inlet plate
100,200: air inlet
11,22: resonance plate
12,23: piezo-activator
120,230: suspension board
121,233: piezoelectric ceramic plate
13,24: insulating trip
14,25: conducting strip
15,26: gas collection plate
16,27: valve sheet
17,28: exit plate
170,285: connection runner
21: runner plate
211: conflux round
210: center hole
220: hollow bore
221,234,251: conductive connecting pin
222: the first chambers
The upper surface of 230a: suspension board
The lower surface of 230b: suspension board
230c: protuberance
231: housing
The upper surface of 231a: housing
The lower surface of 231b: housing
232: support
The upper surface of 232a: support
The lower surface of 232b: support
235: space
260: the first surface of gas collection plate
261: the second surface of gas collection plate
262: gas collection chamber
263: the first through holes
264: the second through holes
265: the first release chambers
266: the first outlet chamber
267,286: groove structure
268,287: sealing ring
269,281a: protuberance structure
270: valve opening
271: location hole
280: the first surface of exit plate
281: the three through holes
282: the four through holes
283: the second release chambers
284: the second outlet chamber
288: pressure relief vent
289: the second surface of exit plate
29: outlet
G0: gap
(a)～(l): the different of conductive actuation device implement aspect
A0, i0, j0: suspension board
A1, i1, j1: housing
A2, i2: support
A3: space
Detailed description of the invention
Embodiment feature of present invention will describe with some exemplary embodiments of advantage in the explanation of back segment in detail.Should
Being understood by the present invention and can have various changes in different aspects, it is all without departing from the model of the present invention
Enclose, and explanation therein and to be shown in be substantially to be illustrated as being used, and be not used to limit the present invention.
The micro pressure power set 1 of the present invention be can be applicable to the raw skill of medicine, the energy, computer technology or
The industry such as print, in order in order to transmit gas, but be not limited.Referring to Fig. 1, it is for the present invention
The front decomposition texture schematic diagram of the micro pressure power set of one preferred embodiment.As it can be seen, the present invention
Micro pressure power set 1 be by minitype gas transmitting device 1A and micro valve device 1B institute group
Conjunction forms, and wherein minitype gas transmitting device 1A at least has inlet plate 10, resonance plate 11, piezoelectric actuated
The structures such as device 12, insulating trip 13, conducting strip 14, it is corresponding to resonance plate 11 by piezo-activator 12
And arrange, and make inlet plate 10, resonance plate 11, piezo-activator 12, insulating trip 13, conducting strip 14
Deng sequentially stacking setting, and this piezo-activator 12 is by suspension board 120 and a piezoelectric ceramic plate 121
Assemble；And micro valve device 1B is then by gas collection plate 15, valve sheet 16 and exit plate 17 etc.
Sequentially stack assembly forms, but is not limited.By this minitype gas transmitting device 1A and miniature valve
The assembling of door gear 1B is arranged so that gas on the inlet plate 10 of minitype gas transmitting device 1A extremely
Few air inlet 100 air inlet, and through the start of piezo-activator 12, and flow through multiple pressure chamber (not
Diagram), and transmit downwards, and then gas one-way flow in micro valve device 1B can be made, and by pressure
Accumulate in the device (not shown) being connected with the port of export of micro valve device 1B, and when carrying out pressure release
Time, then regulate and control the output of minitype gas transmitting device 1A, make gas going out via micro valve device 1B
Connection runner 170 on oralia 17 and discharge, to carry out pressure release.
Please refer to Fig. 2 A and Fig. 2 B, it is the micro pressure of the respectively present invention the second preferred embodiment
The front decomposition texture schematic diagram of power set and back side decomposition texture schematic diagram.As it can be seen, miniature gas
Pressure power device 2 is same by combined by minitype gas transmitting device 2A and micro valve device 2B
Become, wherein minitype gas transmitting device 2A system sequentially by inlet plate 20, runner plate 21, resonance plate 22,
The build stack such as piezo-activator 23, insulating trip 24, conducting strip 25 assemble location and form, in the present embodiment
In, between resonance plate 22 and piezo-activator 23, cording has a gap g0 (as shown in Figure 5A), but in
In other embodiments, also can not have gap between resonance plate 22 and piezo-activator 23, therefore it is implemented
Aspect is not limited thereto.In some embodiments, inlet plate 20 also can be formed in one with runner plate 21
Structure, i.e. as shown in first preferred embodiment of the present invention, but be not limited, be below with this enforcement
The enforcement aspect elaborate that the inlet plate 20 of example is separately positioned with runner plate 21.And, micro valve fills
Put 2B then to be formed by the sequentially stack assembly such as gas collection plate 26, valve sheet 27 and exit plate 28 equally, but
It is not limited.
In the present embodiment, inlet plate 20 cording of minitype gas transmitting device 2A has at least one air inlet
200, outside device, comply with the effect of atmospheric pressure in order to supplied gas and flow into from this at least one air inlet 200
In minitype gas transmitting device 2A.Then have at least one on runner plate 21 to conflux round 211, in order to enter
This at least one air inlet 200 of gas plate 20 is correspondingly arranged, and can will enter from this at least one air inlet 200
Gas guide and conflux and be concentrated to a center hole 210, with going down.Resonance plate 22 is can by one
Flexible material is constituted, but is not limited, and has a hollow bore 220 on resonance plate 22, is
Arrange, so that gas can circulate downwards corresponding to the center hole 210 of runner plate 21.
Please refer to Fig. 3 A, Fig. 3 B and Fig. 3 C, it is the micro pressure power shown in respectively Fig. 2 A
The Facad structure schematic diagram of the piezo-activator of device, structure schematic diagram and cross-sectional view,
As it can be seen, piezo-activator 23 is by suspension board 230, housing 231, an at least support 232
And one piezoelectric ceramic plate 233 jointly assemble, wherein, this piezoelectric ceramic plate 233 is attached at suspension
The lower surface 230b of plate 230, and this at least one support 232 is attached to suspension board 230 and housing
Between 231, and between support 232, suspension board 230 and housing 231, have more at least one space 235,
Circulate in order to supplied gas, and this suspension board 230, housing 231 and the kenel of support 232 and quantity cording
There is multiple change.It addition, housing 231 has more the conductive connecting pin 234 of an outside projection, in order to for being electrically connected
Connect and be used, but be not limited.
In the present embodiment, suspension board 230 is to be the structure of a cascaded surface, and imply that in suspension board 230 is upper
Surface 230a has more a protuberance 230c, is visible please refer to Fig. 3 A and Fig. 3 C, suspension board 230
The upper surface 231a copline of protuberance 230c system and housing 231, and the upper surface 230a of suspension board 230
And the upper surface 232a of support 232 is also copline, and the protuberance 230c of this suspension board 230 and housing
The upper surface 232 of the upper surface 231a of 231 and the upper surface 230a of suspension board 230 and support 232 it
Between cording have a certain depth.As for the lower surface 230b of suspension board 230, then such as Fig. 3 B and Fig. 3 C institute
Showing, it is smooth copline with the lower surface 231b of the housing 231 and lower surface 232b of support 232
Structure, piezoelectric ceramic plate 233 is then attached at the lower surface 230b of this smooth suspension board 230.In
In some embodiments, suspension board 230, support 232 and housing 231 are can be made up of a metallic plate,
But it is not limited, therefore piezo-activator 23 is formed with bonding metal plates by piezoelectric ceramic plate 233.
Please continue refering to Fig. 4, it is the multiple enforcement aspect schematic diagram for the piezo-activator shown in Fig. 3 A.
As shown in the figure, then, it is seen that the suspension board 230 of piezo-activator 23, housing 231 and support 232 are can
There is various kenel, and at least can have the multiple aspects such as (a)～(l) shown in Fig. 4, for example, (a) state
The housing a1 of sample and suspension board a0 system are square structure, and are with even between the two by multiple support a2
Knot, such as: 8, but it is not limited, and between support a2 and suspension board a0, housing a1 is
There is space a3, circulate with supplied gas.In another (i) aspect, its housing i1 and suspension board i0 is the most same
For square structure, precisely because in only by 2 support i2 to link；It addition, in (j)～(l) aspect, then its
Suspension board j0 etc. is can be circular structure, and housing j0 etc. also can be the frame structure of somewhat radian, but
All it is not limited.Therefore the most multiple enforcement aspect is visible, the kenel system of suspension board 230 can be square or circle
Shape, and similarly, the piezoelectric ceramic plate 233 of the lower surface 230b being attached at suspension board 230 also can the side of being
Shape or circle, be not limited thereto；And, it is connected to the support between suspension board 230 and housing 231
The kenel of 232 and quantity also can apply situation according to actual and appoint and execute change, not with the aspect shown in the present invention
It is limited.And such suspension board 230, housing 231 and support 232 are the structure that can be formed in one, but not
As limit, then can be by tradition processing or gold-tinted etching or Laser Processing or electricity as its manufacture
The modes such as casting processing or electro-discharge machining are made, and are all not limited.
Additionally, please continue refering to Fig. 2 A and Fig. 2 B, in minitype gas transmitting device 2A, have more insulating trip
24 and conducting strip 25, insulating trip 24 and conducting strip 25 be to be correspondingly arranged in piezo-activator 23 times,
And its form approximately corresponds to the form of housing of piezo-activator 23.In some embodiments, insulation
Sheet 24 is i.e. made up of the material that can insulate, such as: plastic cement, but is not limited, to carry out insulating it
With；In other embodiments, conducting strip 25 is i.e. made up of conductive material, such as: metal,
But it is not limited, to carry out conducting being used.And, in the present embodiment, resonance plate 22 is can
There is a conductive connecting pin 221, but be not limited, and also have on the housing 231 of conductive actuation device 23
The conductive connecting pin 224 of the corresponding setting of conductive connecting pin 221 with resonance plate 22, is also not limited, separately
Outward, conducting strip 25 also can arrange a conductive connecting pin 251, to carry out conducting being used.
Scheming please refer to Fig. 2 A and Fig. 5 A to 5E, wherein Fig. 5 A to 5E figure system is Fig. 2 A institute
The illustrative view of the minitype gas transmitting device of the micro pressure power set shown.First, such as Fig. 5 A institute
Show, it is seen that minitype gas transmitting device 2A system sequentially by inlet plate 20, runner plate 21, resonance plate 22,
The stacking such as piezo-activator 23, insulating trip 24, conducting strip 25 forms, and causes with piezoelectricity in resonance plate 22
Between dynamic device 23, cording has a gap g0, in the present embodiment, lies in resonance plate 22 and piezo-activator
Gap g0 between the housing 231 of 23 fills a material, such as: conducting resinl, but is not limited,
So that this gap can be maintained between the protuberance 230c of the suspension board 230 of resonance plate 22 and piezo-activator 23
The degree of depth of g0, and then air-flow can be guided more quickly flow, and because of suspension board 230 protuberance 230c together
The sheet 22 that shakes keeps suitable distance to make the interference minimizing that contacts with each other, and promoting noise to produce can be lowered；In another
In a little embodiments, also can be by the height of the housing 231 of the electric actuator 23 that adds high pressure, so that itself and resonance
Sheet 22 increases by a gap when assembling, but is not limited, it addition, in other embodiments, this resonance
Also can not have gap g0, i.e. its enforcement aspect between sheet 22 and piezo-activator 23 to be not limited thereto.
Please continue and scheme refering to Fig. 5 A to 5E, as it can be seen, when inlet plate 20, runner plate 21, resonance plate
22 the most corresponding with piezo-activator 23 assemble after, then can be with at the center hole 210 of runner plate 21
Inlet plate 20 thereon and resonance plate 22 are collectively forming a chamber confluxing gas, and at resonance plate 22
And more form one first chamber 222 between piezo-activator 23, be configured to temporarily store gas, and the first chamber 222
System through resonance plate 22 hollow bore 220 and with the center hole 210 of runner plate 21 at chamber phase
Connection, and the both sides of the first chamber 222 are then by the space 235 between the support 232 of piezo-activator 23
And be connected with the micro valve device 2B being arranged under it.
When the minitype gas transmitting device 2A start of micro pressure power set 2, mainly by piezoelectric actuated
Device 23 with support 232 as fulcrum, is carried out the reciprocating vibration of vertical direction by voltage actuation.Such as 5B
Shown in figure, when piezo-activator 23 is vibrated downwards by voltage actuation, then gas is by inlet plate 20
At least one air inlet 200 enters, and confluxes round 211 to be pooled to via at least on runner plate 21
At the center hole 210 of central authorities, then via the central authorities being correspondingly arranged with center hole 210 on resonance plate 22
Hole 220 flows downwardly into the first chamber 222, thereafter, owing to being carried by piezo-activator 23 vibration
Dynamic, resonance plate 22 also can with resonance and carry out vertical reciprocating vibration, as shown in 5C schemes, be then
Resonance plate 22 also with downward vibration, and attach the protuberance of the suspension board 230 contacting at piezo-activator 23
On 230c, by the deformation of this resonance plate 22, to compress the volume of the first chamber 222, and close first
Chamber 222 middle flow space, promotes its interior gas to push and flows to both sides, and then through piezoelectric actuated
Space 235 between the support 232 of device 23 and pass through downwards flowing.Then resonate for it as 5D figure
Sheet 22 returns back to initial position, and piezo-activator 23 is driven by voltage upwards to vibrate, the most same crowded
Press the volume of the first chamber 222, be the most now upwards lifting due to piezo-activator 23, so that
Gas in one chamber 222 can flow towards both sides, so drive gas constantly on inlet plate 20 extremely
A few air inlet 200 enters, then flows in the chamber that the center hole 210 on runner plate 21 is formed,
For another example, shown in 5E figure, this resonance plate 22 is resonated upwards by the vibration of piezo-activator 23 upwards lifting,
And then make the gas in the center hole 210 of runner plate 21 again by the central hole 220 of resonance plate 22
Flow in the first chamber 222, and via the space 235 between the support 232 of piezo-activator 23 to
Under pass through outflow minitype gas transmitting device 2A.Thus implement aspect visible, when resonance plate 22 is carried out vertically
Reciprocating vibration time, be can be by the gap g0 between itself and piezo-activator 23 to increase its vertical displacement
Ultimate range, in other words, arrange between this two structure gap g0 can make resonance plate 22 in resonance time
Upper and lower displacement by a larger margin can be produced, thus can promote that gas flows faster, and can reach quiet
Effect.So, the runner design through this minitype gas transmitting device 2A produces barometric gradient, makes gas
Body flow at high speed, and through the resistance difference in runner turnover direction, gas is transmitted to outlet side by suction side,
And when outlet side has air pressure, still have the ability to continue pushing out gas.
It addition, in some embodiments, the vertical reciprocating type frequency of vibration system of resonance plate 22 can cause with piezoelectricity
The frequency of vibration of dynamic device 23 is identical, and i.e. both can the most upwards or downwards, it is can to execute according to actual
Make situation and appoint and execute change, not with being limited as flowing mode shown in the present embodiment.
Please refer to Fig. 2 A, Fig. 2 B and Fig. 6 A, Fig. 6 B, wherein Fig. 6 A system is for shown in Fig. 2 A
The collection pressure illustrative view of the micro valve device of micro pressure power set, Fig. 6 B is then for shown in Fig. 2 A
The release illustrative view of the micro valve device of micro pressure power set.As shown in Figure 6A, the present invention
Micro pressure power set 2 micro valve device 2B system sequentially by gas collection plate 26, valve sheet 27 with
And exit plate 28 stacking form, in the present embodiment, the first surface 260 of gas collection plate 26 is cave in
Form a gas collection chamber 262, minitype gas transmitting device 2A the gas transmitted downwards the most temporarily accumulate in
In this gas collection chamber 262, and cording has the first through hole 263 and the second through hole 264 in gas collection plate 26,
One end system of the first through hole 263 and the second through hole 264 is connected with gas collection chamber 262, the other end
The most respectively with the first release chamber 265 and the first outlet chamber 266 on the second surface 261 of gas collection plate 26
It is connected.And, at the first outlet chamber 266, further set up a protuberance structure 269, such as may be used
For but be not limited to a column structure, and it is that the valve opening 270 with valve sheet 27 is correspondingly arranged；It addition,
Have more a plurality of gas collection chamber the 262, first release chamber 265 and first that is surrounded on gas collection plate 26 to go out
Oral chamber 266 and the groove structure 267 that arranges, be arranged on for a sealing ring 268.
Exit plate 28 also has two the 3rd through hole 281 and the 4th through holes 282 running through setting, and
3rd through hole 281 and the 4th through hole 282 are the first through hole 263 corresponding respectively to gas collection plate 26
And second through hole 264 and arrange, and pass through corresponding to the 3rd on the first surface 280 of exit plate 28
System's depression at 281 of boring a hole forms one second release chamber 283, corresponding to the most recessed at the 4th through hole 282
Fall into and form one second outlet chamber 284, and between the second release chamber 283 and the second outlet chamber 284
Have more a connection runner 285, circulate in order to supplied gas.One end of 3rd through hole 281 is unloaded with second
Pressure chamber 283 is connected, and protuberance structure 281a that its end can be set up a protrusion further and be formed,
Can be such as but not be limited to column structure, the other end be then communicated in unloading of the second surface 289 of exit plate 28
Pressure hole 288；And one end of the 4th through hole 282 is connected with the second outlet chamber 284, the other end then with
Outlet 29 is connected, and in the present embodiment, outlet 29 is can be with a device (not shown), such as: pressure
Machine, but be not limited, it is connected.Similarly, exit plate 28 also has a plurality of it is surrounded on
Two release chambers 283 and the second outlet chamber 284 and the groove structure 286 that arranges, with for a sealing ring
287 are arranged on, in some embodiments, the material system of sealing ring 268,287 be can endurance good
Elastomeric material, but be not limited, it is mainly in order to be correspondingly arranged in groove structure 267,286,
Engage more closely between valve sheet 27 with auxiliary gas collection plate 26, exit plate 28, and prevent outside gas
Let out.
There is a valve opening 270 and a plurality of location hole 271, when valve sheet 27 and collection on valve sheet 27
When gas plate 26 and exit plate 28 location assemble, it is that its valve opening 270 is gone out corresponding to the first of gas collection plate 26
The protuberance structure 269 of oral chamber 266 and be correspondingly arranged, by the design of this single valve opening 270, with
Make gas can reach the purpose of one-way flow in response to its pressure reduction.
When the pressure start of micro valve device 2B collection, the most as shown in Figure 6A, it is can be micro-in response to coming from
The pressure that the gas that type charge delivery mechanism 2A transmits downwards is provided, again or when extraneous atmospheric pressure
More than during with the internal pressure exporting 29 devices (not shown) being connected, then gas can be from minitype gas transmission dress
Put 2A to transmit to the gas collection chamber 262 of micro valve device 2B, more respectively through the first through hole 263
And second through hole 264 and flow downwardly in the first release chamber 265 and the first outlet chamber 266,
Now, downward gas pressure system makes flexual valve sheet 27 be bent downwardly deformation, and then makes first to unload
The volume of pressure chamber 265 increases, and corresponding to the most smooth at the first through hole 263 and be resisted against the 3rd and pass through
The end of perforation 281, and then the 3rd through hole 281 of oralia 28 can be enclosed, therefore in the second pressure-releasing cavity
Gas in room 283 will not flow out at the 3rd through hole 281.Certainly, the present embodiment, the available 3rd
Protuberance structure 281a that through hole 281 end is set up, the 3rd passes through strengthening valve sheet 27 closing of quickly conflicting
Perforation 281, and reach the effect that a prestressing conflict effect fully seals.On the other hand, due to gas system certainly
Second through hole 264 and flow downwardly in the first outlet chamber 266, and corresponding to the first outlet chamber 266
The valve sheet 27 at place is also bent downwardly deformation, so that the valve opening 270 of its correspondence is opened downwards, gas is then
Can flow in the second outlet chamber 284 via valve opening 270 from the first outlet chamber 266, and by the 4th
Through hole 282 and flowing to export 29 and the devices (not shown) that are connected with outlet 29 in, thereby with to this
Device carries out the start of collection pressure.
Please continue refering to Fig. 6 B, when micro valve device 2B carries out release, it is can be by regulating and controlling miniature gas
The gas transmission amount of body transmitting device 2A, makes in gas no longer input set gas chamber 262, or works as and go out
When device (not shown) internal pressures that mouth 29 connects are more than extraneous atmospheric pressure, then micro valve can be made to fill
Put 2B and carry out release.Now, gas is by from inputting with the 4th through holes 282 that are connected of outlet 29 to the
In two outlet chamber 284 so that the volumetric expansion of the second outlet chamber 284, and then promote flexual valve
Door sheet 27 is bent upwards deformation, and the most smooth, be resisted against on gas collection plate 26, therefore the valve of valve sheet 27
Hole 270 can be closed because being resisted against gas collection plate 26.Certainly, at the present embodiment, available first outlet plenum
Protuberance structure 269 is set up in room 266, allows flexual valve sheet 27 be bent upwards the more rapid conflict of deformation,
Make valve opening 270 more favorably reach a prestressing conflict effect and attach the closed mode of sealing completely, therefore valve sheet 27
Valve opening 270 can close, then in this second outlet chamber 284 because being resisted against this protuberance structure 269
Gas will not adverse current in the first outlet chamber 266.And, the gas system in the second outlet chamber 284
Can flow in the second release chamber 283 via connection runner 285, and then make the second release chamber 283
Volume expanded, and make to be bent upwards deformation equally corresponding to the valve sheet 27 of the second release chamber 283,
Now do not support due to valve sheet 27 and be closed in the 3rd through hole 281 end, therefore the 3rd through hole 281
I.e. being in opening, the gas in the i.e. second release chamber 283 outwards can be flow to by the 3rd through hole 281
Pressure relief vent 288 is sentenced and is carried out release operation.Certainly, the present embodiment, available 3rd through hole 281 end
Protuberance structure 281a set up, allows flexual valve sheet 27 be bent upwards deformation more rapid, more favorably takes off
From the state closing the 3rd through hole 281.So, then can by this unidirectional release operation will with outlet 29
Gas in the device (not shown) connected is discharged and blood pressure lowering, or is completely exhausted out and completes release operation.
Please refer to Fig. 2 A, Fig. 2 B and Fig. 7 A to Fig. 7 E, wherein Fig. 7 A to Fig. 7 E system is Fig. 2 A
The collection pressure illustrative view of shown micro pressure power set.As shown in Figure 7 A, micro pressure power dress
Put 2 i.e. to form combined by minitype gas transmitting device 2A and micro valve device 2B, the most miniature
Charge delivery mechanism 2A system is it has been observed that sequentially by inlet plate 20, runner plate 21, resonance plate 22, piezoelectricity
The build stack such as actuator 23, insulating trip 24, conducting strip 25 assemble location and form, and in resonance plate 22
And between piezo-activator 23, cording has a gap g0, and between resonance plate 22 and piezo-activator 23
There is the first chamber 222, and, micro valve device 2B is then same by gas collection plate 26, valve sheet 27
And the sequentially stack assembly such as exit plate 28 location forms, and in the gas collection plate 26 of micro valve device 2B
And cording has gas collection chamber 262, in gas collection plate between the piezo-activator 23 of minitype gas transmitting device 2A
The second surface 261 of 26 has more the first release chamber 265 and the first outlet chamber 266, Yi Jiyu
The first surface 280 of exit plate 28 has more the second release chamber 283 and the second outlet chamber 284, mat
By driving and resonance plate 22, the valve sheet 27 of such multiple different pressure chamber's collocation piezo-activators 23
Vibration so that gas to next part pressure transmission.
As shown in Figure 7 B, when the piezo-activator 23 of minitype gas transmitting device 2A by voltage actuation to
During lower vibration, then gas can be entered minitype gas transmitting device 2A by the air inlet 200 on inlet plate 20
In, and via the round 211 that confluxes of at least on runner plate 21 to be pooled at its center hole 210,
Flow downwardly into the first chamber 222 via the hollow bore 220 on resonance plate 22 again.Thereafter, the most such as
Shown in Fig. 7 C, due to the resonant interaction vibrated by piezo-activator 23, resonance plate 22 also can with carrying out
Reciprocating vibration, i.e. it vibrates downwards, and is adsorbed in the protuberance 230c of the suspension board 230 of piezo-activator 23
On, by the deformation of this resonance plate 22 so that the volume of the chamber at the central hole 210 of runner plate 21
Increase, and compress the volume of the first chamber 222 simultaneously, and then promote the gas in the first chamber 222 to push
Flow to both sides, so space 235 between the support 232 of piezo-activator 23 and pass through downwards
Circulation, to flow to the gas collection chamber 262 between minitype gas transmitting device 2A and micro valve device 2B
In, and the first through hole 263 and the second through hole 264 by being connected with gas collection chamber 262 is downward again
Correspondence flow in the first release chamber 265 and the first outlet chamber 266.Then, the most as illustrated in fig. 7d,
Owing to the resonance plate 22 of minitype gas transmitting device 2A returns back to initial position, and piezo-activator 23 is subject to
Voltage drives upwards to vibrate, the most same volume extruding the first chamber 222 so that the first chamber 222
Interior gas flows towards both sides, and by the space 235 between the support 232 of piezo-activator 23 constantly
Input gas collection chamber the 262, the first release chamber 265 to micro valve device 2B and the first outlet plenum
In room 266, the most more make the air pressure in the first release chamber 265 and the first outlet chamber 266 the biggest,
And then promote flexual valve sheet 27 to produce downwards Bending Deformation, then in the second release chamber 283,
Valve sheet 27 is the most smooth and is resisted against protuberance structure 281a of the 3rd through hole 281 end, and then makes
3rd through hole 281 is closed, and in the second outlet chamber 284, valve sheet 27 passes through corresponding to the 4th
The valve opening 270 of perforation 282 is to open downwards, makes the gas in the second outlet chamber 284 can be passed through by the 4th
Perforation 282 is passed down to any device (not shown) exporting 29 and being connected with outlet 29, and then to reach
Purpose to collection pressure operation.Finally, the most as seen in figure 7e, when the resonance plate of minitype gas transmitting device 2A
22 resonance shift up, and then make the gas in the center hole 210 of runner plate 21 can be by resonance plate 22
Hollow bore 220 and flow in the first chamber 222, then via piezo-activator 23 support 232 it
Between space 235 and be transmitted continuously to downwards in micro valve device 2B, then due to its gas pressure system hold
Continuous increase downwards, therefore gas still can be constantly via the gas collection chamber 262, second of micro valve device 2B
The 266, second outlet chamber 284 of through hole the 264, first outlet chamber and the 4th through hole 282 and flow to
Outlet 29 and with any devices of being connected of outlet 29, this collection pressure operation system can be via the atmospheric pressure in the external world
With the pressure differential in device to drive it, but it is not limited.
When the pressure that the device (not shown) being connected with outlet 29 is internal is more than extraneous pressure, the most miniature gas
Pressure power device 2 is the operation that can carry out blood pressure lowering or release as shown in Figure 8, its blood pressure lowering or the work of release
Flowing mode is mainly as it was previously stated, can make by the gas transmission amount of regulation and control minitype gas transmitting device 2A
In gas no longer input set gas chamber 262, now, gas is by from the 4th through hole being connected with outlet 29
In 282 inputs to the second outlet chamber 284 so that the volumetric expansion of the second outlet chamber 284, and then promote
Make flexual valve sheet 27 be bent upwards deformation, and the most smooth, be resisted against the first outlet chamber 266
Protuberance structure 269 on, and make the valve opening 270 of valve sheet 27 close, in the i.e. second outlet chamber 284
Gas will not adverse current in the first outlet chamber 266；And, the gas system in the second outlet chamber 284
Can flow in the second release chamber 283 via connection runner 285, more outside by the 3rd through hole 281
It flow to pressure relief vent 288 sentence and carry out release operation；So can be by the unidirectional gas of this micro valve structure 2B
Body transmission operation with the gas discharge in the devices that be connected of outlet 29 and blood pressure lowering, or will be completely exhausted out and complete
Become release operation.
In sum, minitype gas power set provided by the present invention, mainly by minitype gas transmission dress
Put and being mutually assembled of micro valve device, make gas air inlet on minitype gas transmitting device enter,
And utilize the start of piezo-activator, make gas runner after design and pressure chamber produce pressure ladder
Degree, and then make gas flow at high rates be transferred in micro valve device, then the list through micro valve device
Design to valve, make gas with one way flow, and then can be by pressure accumulated in any dress being connected with outlet
In putting；And when blood pressure lowering to be carried out or release, then regulate and control the transmission quantity of minitype gas transmitting device, and make gas
Body can be transmitted the second outlet chamber to micro valve device by the device being connected with outlet, and is flowed by connection
Road by transmission to the second release chamber, then flowed out by pressure relief vent, and then to reach to make gas promptly pass
Defeated, and can reach quiet effect simultaneously, the overall volume of minitype gas power set more can be made to reduce and thin
Type, and then make minitype gas power set reach light comfortable portable purpose, and can apply widely
Among medical device and relevant device.Therefore, the great industrial utilization of the present invention, whence proposes in accordance with the law
Application.
Even if the present invention described in detail by above-described embodiment and can by be familiar with these those skilled in the art appoint execute craftsman think and
Modify as all, the most neither take off attached claim such as and be intended to protector.
Claims (18)
1. micro pressure power set, it is characterised in that including:
One minitype gas transmitting device, including:
One inlet plate, has at least one air inlet, for importing gas；
One runner plate, has at least one and confluxes round and a center hole, this round that confluxes this air inlet corresponding
This air inlet of plate, and guide the gas of this air inlet to converge into this center hole；
One resonance plate, has a hollow bore, to should this center hole of runner plate；And
One piezo-activator, has between a suspension board and a housing, this suspension board and this housing with at least
One support connects, and attaches a piezoelectric ceramic plate in a surface of this suspension board；
Wherein, it is fixed that above-mentioned inlet plate, runner plate, resonance plate and piezo-activator sequentially corresponding stacking is arranged
Position, and there is between this resonance plate and this piezo-activator gap formation one first chamber, so that this piezoelectricity
When actuator is driven, gas by this inlet plate this at least one air inlet import, through this runner plate this extremely
Few one round that confluxes is collected to this center hole, passes through this hollow bore of this resonance plate, with enter this
In one chamber, then transmitted downwards by the space between this suspension board and this housing of this piezo-activator, with
Continue pushing out gas；And
One micro valve device, including:
One gas collection plate, has one first through hole, one second through hole, one first release chamber and 1
One outlet chamber, this first through hole is connected with this first release chamber, this second through hole with this first
Outlet chamber is connected；
One valve sheet, has a valve opening；And
One exit plate, has one the 3rd through hole, one the 4th through hole, one second pressure-releasing cavity and one second
Outlet chamber, the 3rd through hole corresponding to this first through hole of this gas collection plate, and with this second pressure-releasing cavity
Room is connected, and the 4th through hole corresponds to this second through hole, and is connected with this second outlet chamber,
And between this second release chamber and this second outlet chamber, there is a connection runner；
Wherein, above-mentioned gas collection plate, valve sheet and exit plate sequentially corresponding stacking arranges location, this valve sheet
It is arranged between this gas collection plate and this exit plate, and the valve opening of this valve sheet is correspondingly arranged in this second through hole
And the 4th between through hole, gas transmits downwards to this micro valve device from this minitype gas transmitting device
Time interior, this first through hole and this second through hole enter this first release chamber and this first outlet chamber
In, and described gas carries out collection pressure operation in being flowed into the 4th through hole by the valve opening of this valve sheet, when collection pressure
When the air pressure of gas is more than the air pressure of described gas, collect body of calming the anger from the 4th through hole towards this second outlet plenum
Flow in room, so that this valve sheet displacement, and make the valve opening of this valve sheet be resisted against this gas collection plate and close, with
Time collects body of calming the anger, and to flow to this second pressure-releasing cavity along connection runner in this second outlet chamber indoor, now in the
This valve sheet displacement indoor of two pressure-releasing chambers, collects body of calming the anger and is flowed out by the 3rd through hole, to carry out release operation.
2. micro pressure power set as claimed in claim 1, it is characterised in that this minitype gas transmits
Device further includes an insulating trip and a conducting strip, and this insulating trip and this conducting strip are sequentially arranged at this piezoelectricity and cause
Under dynamic device.
3. micro pressure power set as claimed in claim 1, it is characterised in that this minitype gas transmits
The structure that this inlet plate of device and this runner plate are formed in one.
4. micro pressure power set as claimed in claim 1, it is characterised in that this minitype gas transmits
The structure that one upper surface is a cascaded surface of this suspension board of this piezo-activator of device, i.e. this upper surface tool
There is a protuberance, and a upper surface copline of this protuberance and this housing, this upper surface of this protuberance and this housing
Between there is a certain depth, have one between this upper surface of this suspension board and a upper surface of this support special
Depthkeeping degree.
5. micro pressure power set as claimed in claim 1, it is characterised in that this minitype gas transmits
This piezoelectric ceramic plate of this piezo-activator of device is attached at a lower surface of this suspension board, and this suspension board
This lower surface and this housing and a lower surface copline of this support.
6. micro pressure power set as claimed in claim 1, it is characterised in that this micro valve device
This gas collection plate have more a gas collection chamber in a surface, and this gas collection chamber and this first through hole and this
Two through holes are connected.
7. micro pressure power set as claimed in claim 6, it is characterised in that this micro valve device
This first release chamber and this first outlet chamber be arranged at this relative gas collection chamber of this gas collection plate
On another surface.
8. micro pressure power set as claimed in claim 1, it is characterised in that this micro valve device
This first outlet chamber of this gas collection plate have more a protuberance structure, and this protuberance structure is to should valve sheet
This valve opening arrange, form a prestressing in order to quickly conflicting and conflict and fully seal this valve opening of closedown.
9. micro pressure power set as claimed in claim 1, it is characterised in that this micro valve device
This second release chamber and this second outlet chamber be arranged on a surface of this exit plate, respectively with this collection
This first release chamber and this first outlet chamber of gas plate are corresponding.
10. micro pressure power set as claimed in claim 1, it is characterised in that this micro valve fills
3rd through hole end of this exit plate put has a protuberance structure, quickly conflicts shape in order to this valve sheet
Become a prestressing to conflict and fully seal closedown the 3rd through hole, or in order to this valve sheet be rapidly separated unlatching this
Three through holes.
11. 1 kinds of micro pressure power set, it is characterised in that including:
One minitype gas transmitting device, including:
One inlet plate；
One runner plate；
One resonance plate；And
One piezo-activator；
Wherein, it is fixed that above-mentioned inlet plate, runner plate, resonance plate and piezo-activator sequentially corresponding stacking is arranged
Position, and there is between this resonance plate and this piezo-activator gap formation one first chamber, this is piezoelectric actuated
When device is driven, gas is entered by this inlet plate, flows through this runner plate and this resonance plate, with enter this first
Transmit still further below in chamber；And
One micro valve device, including:
One gas collection plate, has at least two through holes and at least two chambers；
One valve sheet, has a valve opening；And
One exit plate, has at least two through holes and at least two chambers；
Wherein, above-mentioned gas collection plate, valve sheet and exit plate sequentially corresponding stacking arranges location, and this is miniature
A gas collection chamber is formed, when gas passes from this minitype gas between charge delivery mechanism and this micro valve device
Defeated device transmits downwards to this gas collection chamber, then is transferred in this micro valve device, through this gas collection plate,
At least two through holes that this exit plate is respectively provided with and at least two chambers, make with the one-way flow in response to gas
This valve opening correspondence of this valve sheet opens or closes, in order to carrying out collection pressure or release operation.
The 12. micro pressure power set as described in claims 11, it is characterised in that this minitype gas
Transmitting device, this inlet plate has at least one air inlet, for importing gas；This runner plate has at least one remittance
Stream round and a center hole, this air inlet of this round that confluxes this inlet plate corresponding, and guide this air inlet
Gas converge into this center hole；This resonance plate has a hollow bore, to should this center of runner plate
Hole；And this piezo-activator have between a suspension board and a housing, this suspension board and this housing so that
A few support connects, and attaches a piezoelectric ceramic plate in a surface of this suspension board.
The 13. micro pressure power set as described in claims 11, it is characterised in that this micro valve
This gas collection plate of device has one first through hole, one second through hole, one first release chamber and one first
Outlet chamber, this first through hole is connected with this first release chamber, this second through hole and the first outlet
Chamber is connected.
The 14. micro pressure power set as described in claims 13, it is characterised in that this micro valve
This exit plate of device has one the 3rd through hole, one the 4th through hole, one second pressure-releasing cavity and one second go out
Between oral chamber's wherein this second release chamber and this second outlet chamber, there is a connection runner.
The 15. micro pressure power set as described in claims 14, it is characterised in that this valve sheet sets
Be placed between this gas collection plate and this exit plate, and the valve opening of this valve sheet be correspondingly arranged in this second through hole and
Between 4th through hole, gas transmits downwards to this micro valve device from this minitype gas transmitting device
Time, this first through hole and this second through hole enter this first release chamber and this first outlet chamber
In, and described gas carries out collection pressure operation in being flowed into the 4th through hole by this valve opening of this valve sheet, work as collection
Calm the anger the air pressure of body more than the air pressure of described gas time, collect body of calming the anger and second exports towards this from the 4th through hole
Chamber, so that this valve sheet displacement, and make this valve opening of this valve sheet be resisted against this gas collection plate and close,
Collect body of calming the anger to flow to this second pressure-releasing cavity along connection runner in this second outlet chamber indoor simultaneously, now in
This valve sheet displacement indoor of second pressure-releasing chamber, collects body of calming the anger and is flowed out by the 3rd through hole, carry out release operation.
16. 1 kinds of micro pressure power set, it is characterised in that including:
One minitype gas transmitting device, arranges an inlet plate, a runner plate, a resonance plate including sequentially stacking
And a piezo-activator, wherein there is between this resonance plate and this piezo-activator a gap and form one first
Chamber, when this piezo-activator is driven, gas is entered by this inlet plate, flows through this runner plate and this resonance
Sheet, to transmit in entering this first chamber again；And
One micro valve device, arranges a gas collection plate, a valve sheet and an outlet including sequentially stacking
Plate, this valve sheet has a valve opening；
Wherein, when gas is in this minitype gas transmitting device transmission to this micro valve device, to collect
Pressure or release operation.
The 17. micro pressure power set as described in claims 16, it is characterised in that this minitype gas
Form a gas collection chamber between transmitting device and this micro valve device, make this gas transmit from this minitype gas
Device transmits to this gas collection chamber, then is transferred in this micro valve device.
The 18. micro pressure power set as described in claims 16, it is characterised in that this micro valve
This gas collection plate of device, this exit plate are respectively provided with at least two through holes and at least two chambers, with in response to gas
One-way flow and make this valve opening correspondence of this valve sheet open or close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310253543.XA CN104234986B (en) | 2013-06-24 | 2013-06-24 | Micro pressure power set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310253543.XA CN104234986B (en) | 2013-06-24 | 2013-06-24 | Micro pressure power set |
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| Publication Number | Publication Date |
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| CN104234986A CN104234986A (en) | 2014-12-24 |
| CN104234986B true CN104234986B (en) | 2016-10-05 |
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