CN105484982A - Micro gas pressure power device - Google Patents
Micro gas pressure power device Download PDFInfo
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- CN105484982A CN105484982A CN201410468987.XA CN201410468987A CN105484982A CN 105484982 A CN105484982 A CN 105484982A CN 201410468987 A CN201410468987 A CN 201410468987A CN 105484982 A CN105484982 A CN 105484982A
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Abstract
The invention relates to a micro gas pressure power device comprising a micro gas conveyer; the micro gas pressure power device comprises a cover plate, a gas intake conflux plate, a resonance sheet, a piezoelectric actuator and a tube plate stacked in sequence; the cover plate and the tube plate are jointed in a sealing manner; when the micro gas conveyer is driven by the piezoelectric actuator, the gas enters an inlet tube of the tube plate, passes a first gas intake chamber in the connecting portion between the cover plate and the tube plate inlet tube and a second gas intake chamber between the cover plate and the gas intake conflux plate in sequence, and enters the micro gas conveyer through gas inlet holes of the gas intake conflux plate; the gas gathers to a central hole through a conflux channel of the gas intake conflux plate, passes hollow holes of the resonance sheet, and goes downwards through the piezoelectric actuator so as to enter a gas discharge chamber between the tube plate and the piezoelectric actuator, and exits an outlet tube of the tube plate.
Description
[technical field]
System of the present invention about a kind of Pneumatic propelling plant, espespecially a kind of micro ultrathin and quiet micro pressure power plant.
[background technique]
No matter be at present medicine in each field, computer technology, print, the industry such as the energy, product is all towards sophistication and microminiaturization future development, the fluid delivery structure that wherein product such as Micropump, sprayer, ink gun, industrial printing device comprises is its key technology, be with, how mat innovation structure breaks through its technical bottleneck, is the important content of development.
For example, in medicinal industry, much instrument or the equipment needing the driving of employing Pneumatic pressure power, adopts the object of carrying to reach its gas with conventional motor and air pressure valve usually.But be limited to the volume restriction of these conventional motor and gas valve, make this type of instrument and equipment be difficult to reduce the volume of its single unit system, be namely difficult to the target realizing slimming, what more cannot make reaches portable object.In addition, these conventional motor and gas valve also can produce the problem of noise when start, cause use on not convenient and uncomfortable.
Therefore, how to develop one and can improve above-mentioned known techniques disappearance, tradition can be made to adopt the instrument of charge delivery mechanism or equipment to reach volume little, microminiaturized and quiet, and then reach the micro pressure power plant of light comfortable portable object, real is problem in the urgent need to address at present.
[summary of the invention]
The object of the present invention is to provide a kind of micro pressure power plant be applicable in portable or wearing type instrument or equipment, by the gas pulsation that the piezoelectric board high frequency start in minitype gas transmitting set produces, pressure gradient is produced in runner after design, and make gas flow at high rates, and the resistance difference in direction is passed in and out through runner, gas is transferred to exhaust end by suction side, the instrument driven with the employing Pneumatic pressure power solving known techniques or the volume that possesses of equipment large, be difficult to slimming, portable object cannot be reached, and the disappearance such as noise is large.
For reaching above-mentioned purpose, of the present invention one comparatively broad sense implement aspect for providing a kind of micro pressure power plant, comprising: cover plate, tube sheet, has inlet duct and at least one outer pipe, and minitype gas transmitting set, be arranged between cover plate and tube sheet, comprise: air inlet collecting plate, there is first surface and second surface, first surface has at least one inlet hole, and second surface has at least one cylinder manifold passage and center hole, the inlet hole of the corresponding first surface of cylinder manifold passage, resonance plate, has hollow bore, the center hole of corresponding runner plate, and piezoelectric actuator, wherein, the air inlet collecting plate of minitype gas transmitting set, resonance plate and piezoelectric actuator sequentially stack reply and put location, cover plate and the mutual sealing group of tube sheet connect, the first air-inlet cavity is formed in the inlet duct joint of cover plate and tube sheet, the second air-inlet cavity is formed between cover plate and the air inlet collecting plate of minitype gas transmitting set, and form chamber of giving vent to anger between the piezoelectric actuator of tube sheet and minitype gas transmitting set, when the piezoelectric actuator of minitype gas transmitting set is driven, gas is entered by the inlet duct of tube sheet, sequentially flow through the first air-inlet cavity, second air-inlet cavity, and import minitype gas transmitting set by least one inlet hole of air inlet collecting plate, at least one cylinder manifold passage through air inlet collecting plate is collected to center hole, flow through the hollow bore of resonance plate again, transmit downwards through piezoelectric actuator again, to enter chamber of giving vent to anger, and flowed out by the outer pipe of tube sheet.
For reaching above-mentioned purpose, of the present invention one comparatively broad sense implement aspect for providing a kind of micro pressure power plant, comprising: cover plate, tube sheet, has inlet duct and at least one outer pipe, and minitype gas transmitting set, be arranged between cover plate and tube sheet, comprise: inlet plate, there is at least one inlet hole, for importing gas, runner plate, has at least one cylinder manifold passage and center hole, the inlet hole of the corresponding inlet plate of cylinder manifold passage, and guides the gas of inlet hole to conflux to center hole, resonance plate, has hollow bore, the center hole of corresponding runner plate, and piezoelectric actuator, wherein, the inlet plate of minitype gas transmitting set, runner plate, resonance plate and piezoelectric actuator sequentially stack reply and put location, cover plate and the mutual sealing group of tube sheet connect, the first air-inlet cavity is formed in the inlet duct joint of cover plate and tube sheet, the second air-inlet cavity is formed between cover plate and the inlet plate of minitype gas transmitting set, and form chamber of giving vent to anger between the piezoelectric actuator of tube sheet and minitype gas transmitting set, when the piezoelectric actuator of type charge delivery mechanism is driven, gas is entered by the inlet duct of tube sheet, sequentially flow through the first air-inlet cavity, second air-inlet cavity, and import minitype gas transmitting set by least one inlet hole of inlet plate, at least one cylinder manifold passage through runner plate is collected to center hole, flow through the hollow bore of resonance plate again, transmit downwards through piezoelectric actuator again, to enter chamber of giving vent to anger, and flowed out by the outer pipe of tube sheet.
[accompanying drawing explanation]
The front decomposition texture schematic diagram of Figure 1A to be the present invention be micro pressure power plant of the first preferred embodiment.
The back side decomposition texture schematic diagram of Figure 1B to be the present invention be micro pressure power plant of the first preferred embodiment.
Fig. 2 A is the Facad structure schematic diagram of the piezoelectric actuator of the micro pressure power plant shown in Figure 1A.
Fig. 2 B is the structure schematic diagram of the piezoelectric actuator of the micro pressure power plant shown in Fig. 2 A.
Fig. 3 is the multiple enforcement aspect schematic diagram of the piezoelectric actuator shown in Fig. 2 A.
Fig. 4 A is the Facad structure schematic diagram of the tube sheet of the micro pressure power plant shown in Figure 1A.
Fig. 4 B is that the assembling of the micro pressure power plant shown in Figure 1B completes schematic diagram.
Fig. 5 A to Fig. 5 E is the illustrative view of the minitype gas transmitting set of the micro pressure power plant shown in Figure 1A.
Fig. 6 A is the cross-sectional view after the micro pressure power plant assembling shown in Figure 1A.
Fig. 6 B to Fig. 6 D is the illustrative view of the micro pressure power plant shown in Figure 1A.
The front decomposition texture schematic diagram of Fig. 7 A to be the present invention be micro pressure power plant of the second preferred embodiment.
The back side decomposition texture schematic diagram of Fig. 7 B to be the present invention be micro pressure power plant of the second preferred embodiment.
Fig. 8 is the Facad structure schematic diagram of the piezoelectric actuator of the micro pressure power plant shown in Fig. 7 A.
[primary component symbol description]
1,2: small power pneumatic shuttle
1A, 2A: minitype gas transmitting set
10,20: cover plate
100: the second air-inlet cavitys
11,21: tube sheet
11a, 21a: inlet duct
11b, 21b: outer pipe
11c, 11d: depressed part
111: the first air-inlet cavitys
112: chamber of giving vent to anger
12,22: air inlet collecting plate
120: inlet hole
121: first surface
122: second surface
123: cylinder manifold passage
124: center hole
13,23: resonance plate
130: hollow bore
131: the first chambers
14,24: piezoelectric actuator
140,240: suspension board
140a, 240a: the upper surface of suspension board
140b: the lower surface of suspension board
140c, 240c: protuberance
141,241: housing
141a: the upper surface of housing
141b: the lower surface of housing
142,242: support
142a: the upper surface of support
142b: the lower surface of support
143,243: piezoelectric ceramic plate
144,161: conductive connecting pin
145: space
15,17,25,27: insulating trip
16,26: conducting plate
G0: gap
(a) ~ (l): the difference of conductive actuation device implements aspect
A0, i0, j0: suspension board
A1, i1, j1: housing
A2, i2: support
A3: space
[embodiment]
Some exemplary embodiments embodying feature & benefits of the present invention describe in detail in the explanation of back segment.Be understood that the present invention can have various changes in different aspects, it neither departs from the scope of the present invention, and explanation wherein and to be shown in be use when explain in essence, and be not used to limit the present invention.
Micro pressure power plant 1 of the present invention are can be applicable to medicine raw skill, the energy, computer technology or the industry such as to print, in order to do in order to transmit gas, but not as limit.Refer to Figure 1A and Figure 1B, it is front decomposition texture schematic diagram and the back side decomposition texture schematic diagram of the micro pressure power plant being respectively the present invention first preferred embodiment.As shown in the figure, micro pressure power plant 1 of the present invention are combined by cover plate 10, minitype gas transmitting set 1A and tube sheet 11, wherein minitype gas transmitting set 1A have air inlet collecting plate 12, resonance plate 13, piezoelectric actuator 14, insulating trip 15,17, the structure such as conducting plate 16, it is piezoelectric actuator 14 is corresponded to resonance plate 13 and arranges, and the sequentially stacking settings such as air inlet collecting plate 12, resonance plate 13, piezoelectric actuator 14, insulating trip 15, conducting plate 16 and another insulating trip 17 are formed.In the present embodiment, between resonance plate 13 and piezoelectric actuator 14, cording has a gap g0 (as shown in Figure 5A), but in other embodiments, also can not have gap between resonance plate 13 and piezoelectric actuator 14, therefore it implements aspect not as limit.In some embodiments, air inlet collecting plate 12 can be but not be limited to integrated plate structure, but in other embodiments, air inlet collecting plate 12 can be made up of, not as limit inlet plate and runner plate two plate.
Please refer to Figure 1A and Figure 1B, in the present embodiment, the air inlet collecting plate 12 of minitype gas transmitting set 1A has first surface 121 and second surface 122, first surface 121 and second surface 122 are oppositely arranged, and there is at least one inlet hole 120 on first surface 121, flow in minitype gas transmitting set 1A in order to supplied gas, for the present embodiment, first surface 121 cording of air inlet collecting plate 12 has 4 inlet holes 120, but the quantity of inlet hole 120 is not as limit, its be can according to actual apply situation and appoint execute change.And as shown in Figure 1B, second surface 122 cording of air inlet collecting plate 12 has at least one cylinder manifold passage 123 and center hole 124, and cylinder manifold passage 123 is the inlet hole 120 being communicated in first surface 121, therefore in the present embodiment, because first surface 121 has 4 inlet holes 120, then its second surface 122 also has 4 corresponding cylinder manifold passages 123, and comes together in center hole 124, with supplied gas going down.
And for example shown in Figure 1A, Figure 1B, resonance plate 13 is be made up of a flexible materials, but not as limit, and there is a hollow bore 130 on resonance plate 13, be arrange corresponding to the center hole 124 of air inlet collecting plate, can circulate downwards to make gas.
Please refer to Fig. 2 A and Fig. 2 B, it is Facad structure schematic diagram and the structure schematic diagram of the piezoelectric actuator being respectively the micro pressure power plant shown in Figure 1A, as shown in the figure, piezoelectric actuator 14 is by suspension board 140, housing 141, at least one support 142 and piezoelectric ceramic plate 143 assemble jointly, wherein, this piezoelectric ceramic plate 143 is attached at the lower surface 140b of suspension board 140, and this at least one support 142 is be connected between suspension board 140 and housing 141, and in support 142, at least one space 145 is had more between suspension board 140 and housing 141, circulate in order to supplied gas, and suspension board 140, kenel and the quantity cording of housing 141 and support 142 have multiple change.In addition, housing 141 has more the conductive connecting pin 144 of an outside projection, in order to for electrical connection, but not as limit.
In the present embodiment, as shown in Figure 2 A, suspension board 140 is the structure of a ladder surface, namely meaning has more a protuberance 140c in the upper surface 140a of suspension board 140, and the upper surface 141a coplanar of the protuberance 140c system of this suspension board 140 and housing 141, and the upper surface 142a of the upper surface 140a of suspension board 140 and support 142 is also coplanar, and cording has a certain depth between the protuberance 140c of the suspension board 140 and upper surface 140a of suspension board 140, and between the upper surface 141a of the housing 141 and upper surface 142a of support 142, cording has a certain depth.As for the lower surface 140b of suspension board 140, then as shown in Figure 2 B, itself and the lower surface 141b of the housing 141 and lower surface 142b of support 142 are smooth coplanar structure, and piezoelectric ceramic plate 143 is then attached at the lower surface 140b place of this smooth suspension board 140.In some embodiments, suspension board 140, support 142 and housing 141 are can be made up of a sheet metal, but not as limit, therefore piezoelectric actuator 14 is formed by piezoelectric ceramic plate 143 and bonding metal plates.
Please continue and consult Fig. 3, it is the multiple enforcement aspect schematic diagram of the piezoelectric actuator shown in Fig. 2 A.As shown in the figure, then the suspension board 140 of visible piezoelectric actuator 14, housing 141 and support 142 are to have various kenel, and at least can have the multiple aspects such as (a) shown in Fig. 3 ~ (l), for example, a the housing a1 of () aspect and suspension board a0 is square structure, and be to link between the two by multiple support a2, such as: 8, but not as limit, and between support a2 and suspension board a0, housing a1, cording has space a3, circulates for gas.In another (i) aspect, its housing i1 and suspension board i0 is also similarly square structure, precisely because in only by 2 support i2 with link; In addition, in (j) ~ (l) aspect, then its suspension board j0 etc. can be circular structure, and housing j0 etc. also can be the frame structure of somewhat radian, but all not as limit.Therefore multiple enforcement aspect is visible thus, the kenel system of suspension board 140 can be square or circular, and similarly, the piezoelectric ceramic plate 143 being attached at the lower surface 140b of suspension board 140 also can be square or circular, not as limit; And, be connected to the kenel of the support 142 between suspension board 140 and housing 141 and quantity and also can apply situation according to actual and appoint and execute change, be not limited with illustrated aspect.And wait suspension board 140, housing 141 and support 142 to be can be integrated structure, but not as limit, then can be processed by tradition as its manufacture or gold-tinted etching or laser processing or eletroforming or mode such as electric discharge processing etc. are made, all not as limit.
In addition, please continue and consult Figure 1A and Figure 1B, insulating trip 15,17 and conducting plate 16 is had more in minitype gas transmitting set 1A, in the present embodiment, sequentially insulating trip 15, conducting plate 16 and another insulating trip 17 correspondence are arranged between piezoelectric actuator 14 and tube sheet 11, and the form of insulating trip 15,17 and conducting plate 16 corresponds to the form of the housing of piezoelectric actuator 14 haply, but not as limit.In some embodiments, insulating trip 15 and 17 is be made up of the material that can insulate, such as: plastic cement, but not as limit, to carry out the use insulated, and in some embodiments, minitype gas transmitting set 1A only can arrange single insulating sheet 15 and conducting plate 16, another insulating trip 17 need not be set, namely insulating trip 15,17 quantity system can according to actual apply situation and appoint execute change, not as limit; In other embodiments, namely conducting plate 16 is made up of conductive material, such as: metal, but not as limit, to carry out the use conducted.And, in the present embodiment, conducting plate 16 also can arrange a conductive connecting pin 161, to carry out the use conducted.
Refer to Fig. 4 A, it is the Facad structure schematic diagram of the tube sheet of the micro pressure power plant shown in Figure 1A.As shown in the figure, tube sheet 11 has inlet duct 11a and outer pipe 11b, and the frame place of tube sheet 11 has more two depressed part 11c and 11d, in order to arrange for the conductive connecting pin 144 of piezoelectric actuator 14 and conductive connecting pin 161 correspondence of conducting plate 16.When tube sheet 11 is corresponding with minitype gas transmitting set 1A and cover plate 10 assemble after, then the direction system of its gas transport is as shown in the arrow in figure, flow in tube sheet 11 by inlet duct 11a, and by the joint of inlet duct 11a and minitype gas transmitting set 1A, be the first air-inlet cavity 111 shown in Fig. 6 A, flow into the second air-inlet cavity 100 between cover plate 10 and minitype gas transmitting set 1A, flow in minitype gas transmitting set 1A again, finally flow to the chamber 112 of giving vent to anger between minitype gas transmitting set 1A and tube sheet 11, then flowed out by outer pipe 11b.
Refer to Fig. 4 B, it is that the assembling of the micro pressure power plant shown in Figure 1B completes schematic diagram.As shown in the figure, after cover plate 10, minitype gas transmitting set 1A and tube sheet 11 correspondence has been assembled, then it can as shown in Figure 4 B, the conductive connecting pin 144 of piezoelectric actuator 14 and the conductive connecting pin 161 of conducting plate 16 are exposed to outside micro pressure power plant 1, for the use electrically connected because being arranged at depressed part 11c and 11d (as shown in Figure 4 A) of tube sheet 11.And cover plate 10 and tube sheet 11 are correspond to each other to seal to arrange, so to make gas can be entered in micro pressure power plant 1 by inlet duct 11a, and in sealing state, enter minitype gas transmitting set 1A transmit, then exported by outer pipe 11b.
Please refer to Figure 1A and Fig. 5 A to Fig. 5 E, wherein Fig. 5 A to Fig. 5 E is the illustrative view of the minitype gas transmitting set of the micro pressure power plant shown in Figure 1A.First, as shown in Figure 5A, visible minitype gas transmitting set 1A system is sequentially by air inlet collecting plate 12, resonance plate 13, piezoelectric actuator 14, insulating trip 15, conducting plates 16 etc. are stacking to be formed, and cording has a gap g0 between resonance plate 13 and piezoelectric actuator 14, in the present embodiment, a material is filled in gap g0 between the housing 141 lying in resonance plate 13 and piezoelectric actuator 14, such as: conducting resinl, but not as limit, to make the degree of depth that can maintain this gap g0 between the protuberance 140c of the suspension board 140 of resonance plate 13 and piezoelectric actuator 14, and then can more promptly flow by air-guiding, and keep suitable distance to make to contact with each other to interfere and reduce because of the protuberance 140c of suspension board 140 and resonance plate 13, impel noise to produce can be lowered, in other embodiments, also can by the height of the housing 141 of the electric actuator 14 that adds high pressure, with make it and resonance plate 13 is assembled time increase by a gap, but not as limit, in addition, in other embodiments, also can not have gap g0 between this resonance plate 13 and piezoelectric actuator 14, namely it implements aspect not as limit.
Please continue and consult Fig. 5 A to Fig. 5 E, as shown in the figure, when air inlet collecting plate 12, resonance plate 13 and piezoelectric actuator 14 sequentially corresponding assemble after, then can jointly form a chamber confluxing gas with resonance plate 13 in center hole 124 place of air inlet collecting plate 12, and between resonance plate 13 and piezoelectric actuator 14, more form one first chamber 131, in order to temporary gas, and the first chamber 131 is be connected with the chamber at center hole 124 place of air inlet collecting plate 12 through the hollow bore 130 of resonance plate 13, and the both sides of the first chamber 131 then by piezoelectric actuator 14 support 142 between space 145 and be connected with the chamber 112 (as shown in Figure 6A) of giving vent to anger of below.
When the minitype gas transmitting set 1A start of micro pressure power plant 1, with support 142 for fulcrum, carry out the reciprocating vibration of Vertical direction by voltage actuation primarily of piezoelectric actuator 14.As shown in Figure 5 B, when piezoelectric actuator 14 vibrates downwards by voltage actuation, then gas is entered by least one inlet hole 120 on air inlet collecting plate 12, and via at least one cylinder manifold passage 123 on air inlet collecting plate 12 to be pooled to center hole 124 place of central authorities, flow in the first chamber 131 downwards via the central hole 130 arranged corresponding with center hole 124 on resonance plate 13 again, thereafter, due to the drive vibrated by piezoelectric actuator 14, resonance plate 13 also can with resonance and carry out vertical reciprocating vibration, as shown in Figure 5 C, then also vibrate downwards for resonance plate 13 thereupon, and attaching contacts on the protuberance 140c of the suspension board 140 of piezoelectric actuator 14, by the deformation of this resonance plate 13, to compress the volume of the first chamber 131, and close the first chamber 131 middle flow space, impel the gas in it to push to flow to both sides, and then space 145 between the support 142 of piezoelectric actuator 14 and pass through flowing downwards.Then initial position is returned back to for its resonance plate 13 as Fig. 5 D, and piezoelectric actuator 14 is subject to voltage driven upwards to vibrate, so volume of same extruding the first chamber 131, only now because piezoelectric actuator 14 is upwards lifting, thus the gas in the first chamber 131 is made can to flow towards both sides, and then drive at least one inlet hole 120 of gas constantly on air inlet collecting plate 12 to enter, flow in the chamber that the center hole 124 on air inlet collecting plate 12 formed again, again as shown in fig. 5e, this resonance plate 13 by piezoelectric actuator 14 upwards lifting vibration and resonate upwards, and then make the gas in the center hole 124 of air inlet collecting plate 12 flow in the first chamber 131 by the central hole 130 of resonance plate 13 again, and via piezoelectric actuator 14 support 142 between space 145 and pass through downwards and flow out minitype gas transmitting set 1A.Implement aspect thus visible, when resonance plate 13 carries out vertical reciprocating vibration, system can by the gap g0 between itself and piezoelectric actuator 14 to increase the ultimate range of its vertical displacement, in other words, between this two structure, arrange gap g0 can make resonance plate 13 can produce upper and lower displacement by a larger margin in time resonating, thus can promote that gas flows faster, and quiet effect can be reached.So, in the runner design through this minitype gas transmitting set 1A, produce pressure gradient, make gas flow at high rates, and the resistance difference in direction is passed in and out through runner, gas is transferred to exhaust end by suction side, and under the state having air pressure at exhaust end, still has the ability to continue pushing out gas.
In addition, in some embodiments, the vertical reciprocating type vibration frequency system of resonance plate 13 can be identical with the vibration frequency of piezoelectric actuator 14, and namely both can simultaneously upwards or downwards simultaneously, its be can according to actual apply situation and appoint execute change, not with being limited as flowing mode shown in the present embodiment.
Please refer to Figure 1A, Figure 1B and Fig. 6 A to Fig. 6 D, wherein Fig. 6 A is the cross-sectional view after the micro pressure power plant assembling shown in Figure 1A, and Fig. 6 B to Fig. 6 D is the illustrative view of the micro pressure power plant shown in Figure 1A.As shown in Figure 6A, when cover plate 10 and tube sheet 11 are sealed against one another dock and arrange after, inlet duct 11a joint system formation first air-inlet cavity 111 of cover plate 10 and tube sheet 11, and be formation second air-inlet cavity 100 between cover plate 10 and the air inlet collecting plate 12 of minitype gas transmitting set 1A, and form chamber 112 of giving vent to anger between tube sheet 11 and the piezoelectric actuator 14 of minitype gas transmitting set 1A.Therefore, when the piezoelectric actuator 14 of minitype gas transmitting set 1A is driven, then can be as shown in Figure 6B, gas can produce negative pressure by the inlet duct 11a of tube sheet 11 and be inhaled into, and as shown in the arrow in figure, sequentially flow through the first air-inlet cavity 111 of the inlet duct 11a joint of cover plate 10 and tube sheet 11, and the second air-inlet cavity 100 between cover plate 10 and air inlet collecting plate 12, import in minitype gas transmitting set 1A by least one inlet hole 120 on air inlet collecting plate 12 again, and be collected to center hole 124 place via at least one cylinder manifold passage 123 of air inlet collecting plate 12, flow through the hollow bore 130 of resonance plate 13 again, shown in the arrow of Fig. 6 C for another example, space 145 between the support 142 of piezoelectric actuator 14 and pass through downwards and flow out minitype gas transmitting set 1A, to enter the chamber 112 of giving vent to anger between tube sheet 11 and piezoelectric actuator 14, and flowed out by the outer pipe 11b of tube sheet 11.
Separately as shown in Figure 6 D, when the resonance plate 13 of minitype gas transmitting set 1A resonates to top offset, and then make the gas in the center hole 124 of air inlet collecting plate 12 can be flowed in the first chamber 131 (now identical with the state shown in Fig. 5 E) by the hollow bore 130 of resonance plate 13, again via piezoelectric actuator 14 support 142 between space 145 and transfer to constantly downwards and give vent to anger in chamber 112 between tube sheet 11 and piezoelectric actuator 14, then because its gas pressure system continues to increase downwards, therefore gas transmits downwards sustainably, and flowed out by the outer pipe 11b of tube sheet 11, so can cumulative stress in any container of outlet end, when needing release, by the output quantity of regulation and control minitype gas transmitting set 1A, gas is entered via outer pipe 11b pipe discharge and step-down in right amount, or discharge and release completely.
Please refer to Fig. 7 A, 7B and Fig. 8, it is the Facad structure schematic diagram of the front decomposition texture schematic diagram of the micro pressure power plant being respectively the present invention second preferred embodiment, back side decomposition texture schematic diagram and its piezoelectric actuator.As shown in figs. 7 a and 7b, the micro pressure power plant 2 of the present embodiment are same by cover plate 20, minitype gas transmitting set 2A and tube sheet 21 combined, wherein minitype gas transmitting set 2A has air inlet collecting plate 22, resonance plate 23, piezoelectric actuator 24, insulating trip 25, 27, the structures such as conducting plate 26, it is piezoelectric actuator 24 is corresponded to resonance plate 23 and arranges, and make air inlet collecting plate 22, resonance plate 23, piezoelectric actuator 24, insulating trip 25, the sequentially stacking settings such as conducting plate 26 and another insulating trip 27 form, and cover plate 20 connects with the mutual sealing group of tube sheet 21, and form the first air-inlet cavity (not shown) in cover plate 20 and the inlet duct 21a joint of tube sheet 21, the second air-inlet cavity (not shown) is formed between cover plate 20 and the air inlet collecting plate 22 of minitype gas transmitting set 2A, and form chamber of giving vent to anger (not shown) between the piezoelectric actuator 24 of tube sheet 21 and minitype gas transmitting set 2A, when the piezoelectric actuator 24 of minitype gas transmitting set 2A is driven, gas is entered by the inlet duct 21a of tube sheet 21, sequentially flow through the first air-inlet cavity, second air-inlet cavity, and import minitype gas transmitting set 2A by air inlet collecting plate 22, flow through resonance plate 23 again, and transmitted downwards by piezoelectric actuator 24, to enter chamber of giving vent to anger, finally flowed out by the outer pipe 21b of tube sheet 21, wherein, the structure of this cover plate 20, tube sheet 21, air inlet collecting plate 22, resonance plate 23, insulating trip 25 and conducting plate 26, set-up mode and function are roughly the same with previous embodiment, therefore repeat no more.
Only in the present embodiment, the kenel of piezoelectric actuator 24 is slightly different from previous embodiment, namely as shown in Figure 8, in the present embodiment, piezoelectric actuator 24 is same by suspension board 240, housing 241, at least one support 242 and piezoelectric ceramic plate 243 (as shown in Figure 7 B) assemble jointly, wherein, this piezoelectric ceramic plate 243 is attached at the lower surface 140b of suspension board 140, and this at least one support 242 is be connected between suspension board 240 and housing 241, in the present embodiment, the kenel of suspension board 240 is that circle formed, and its upper surface 240a also has a protuberance 240c, and this protuberance 240c is also corresponding circular kenel, but not as limit.And as shown in Figure 7 B, the suspension board 240 due to piezoelectric actuator 24 is circular kenel, therefore its piezoelectric ceramic plate 243 is also corresponding circular kenel.From the present embodiment, piezoelectric actuator 24 is to have the change of various kenel, is not so limited with the kenel of embodiment of the present invention, and it is to apply situation according to actual and appoint and execute change.
In sum, minitype gas power plant provided by the present invention, main by cover plate, mutual group of tube sheet and minitype gas transmitting set connects, gas is made to flow in minitype gas transmitting set from the inlet duct of tube sheet, sequentially flow through the first air-inlet cavity of the inlet duct joint of cover plate and tube sheet, and the second air-inlet cavity between cover plate and air inlet collecting plate, and import in minitype gas transmitting set by least one inlet hole on air inlet collecting plate, at least one cylinder manifold passage again through air inlet collecting plate is collected to center hole, flow through the hollow bore of resonance plate, and transmit downwards through piezoelectric actuator, to enter the chamber of giving vent to anger between tube sheet and piezoelectric actuator, and flowed out by the outer pipe of tube sheet, through the start of this piezoelectric actuator, make gas in design after runner and pressure chamber in produce pressure gradient, and then make gas flow at high rates, promptly transmit to make gas, and quiet effect can be reached simultaneously, the overall volume of minitype gas power plant more can be made to reduce and slimming, and then make minitype gas power plant reach light comfortable portable object, and can be widely used among medical equipment and relevant device.Therefore, of the present invention have industrial utilization, files an application in whence in accordance with the law.
Even if the present invention has been described in detail by above-described embodiment and can think by being familiar with this skill personage Ren Shi craftsman and modify as all, so neither de-if attached claim institute is for Protector.
Claims (9)
1. micro pressure power plant, comprising:
One minitype gas transmitting set, comprise an air inlet collecting plate, a resonance plate and a piezoelectric actuator, this air inlet collecting plate one surface has at least one inlet hole, another surface has at least one cylinder manifold passage and a center hole, this cylinder manifold passage correspondence is communicated with this inlet hole, this resonance plate has a hollow bore, and to should the center hole of air inlet collecting plate, this piezoelectric actuator sequentially corresponding this resonance plate stacking, this air inlet collecting plate arranges location;
One cover plate, on this air inlet collecting plate being arranged at this minitype gas transmitting set; And
One tube sheet, under this piezoelectric actuator being arranged at this minitype gas transmitting set, and has an inlet duct and at least one outer pipe;
Wherein, this cover plate, this minitype gas transmitting set and the mutual stacking sealing group of this tube sheet connect, and the inlet duct joint of this cover plate and this tube sheet forms one first air-inlet cavity, and form one second air-inlet cavity between the air inlet collecting plate of this cover plate and this minitype gas transmitting set, and form one between the piezoelectric actuator of this tube sheet and this minitype gas transmitting set and to give vent to anger chamber, enter by this inlet duct by this tube sheet of gas when driving for this minitype gas transmitting set, sequentially flow through this first air-inlet cavity, this second air-inlet cavity, and import this minitype gas transmitting set by least one inlet hole of this air inlet collecting plate, this at least one cylinder manifold passage through this air inlet collecting plate is collected to this center hole, flow through this hollow bore of this resonance plate again, transmit downwards through this piezoelectric actuator again, to enter this chamber of giving vent to anger, and flowed out by this outer pipe of this tube sheet, complete gas transport.
2. micro pressure power plant as claimed in claim 1, it is characterized in that this piezoelectric actuator, have a suspension board and a housing, is connect with at least one support between this suspension board and this housing, and attaches a piezoelectric ceramic plate in a surface of this suspension board.
3. micro pressure power plant as claimed in claim 2, it is characterized in that a upper surface of this suspension board of this piezoelectric actuator is the structure of a ladder surface, namely this upper surface has a protuberance, and a upper surface coplanar of this protuberance and this housing, between a upper surface of this upper surface of this protuberance and this housing and this upper surface of this suspension board and this support, there is a certain depth.
4. micro pressure power plant as claimed in claim 2, is characterized in that this piezoelectric ceramic plate of this piezoelectric actuator is attached at a lower surface of this suspension board, and a lower surface coplanar of this lower surface of this suspension board and this housing and this support.
5. micro pressure power plant as claimed in claim 2, it is characterized in that the structure that this suspension board of this piezoelectric actuator, this housing and this support are formed in one, and this suspension board, this housing and this support are made up of a metal material.
6. micro pressure power plant as claimed in claim 1, it is characterized in that this minitype gas transmitting set more comprises an insulating trip and at least one conducting plate, and this insulating trip and this conducting plate are sequentially arranged under this piezoelectric actuator.
7. micro pressure power plant as claimed in claim 1, is characterized in that this resonance plate is made up of a flexual material, and can produce with this piezoelectric actuator and resonate.
8. micro pressure power plant as claimed in claim 1, it is characterized in that having a gap between this resonance plate of this minitype gas transmitting set and this piezoelectric actuator forms one first chamber, when gas this at least one inlet hole from this air inlet collecting plate of this minitype gas transmitting set imports, this at least one cylinder manifold passage through this air inlet collecting plate is collected to this center hole, flow through this hollow bore of this resonance plate again, to enter in this first chamber, then transmit downwards through this piezoelectric actuator.
9. micro pressure power plant as claimed in claim 1, it is characterized in that this air inlet collecting plate can comprise an inlet plate and a runner plate is mutually stacking to be combined into, this inlet plate has at least one inlet hole, this runner plate has at least one cylinder manifold passage and a center hole, and at least one cylinder manifold passage of this runner plate is distinctly communicated with should an inlet hole of inlet plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468987.XA CN105484982A (en) | 2014-09-15 | 2014-09-15 | Micro gas pressure power device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468987.XA CN105484982A (en) | 2014-09-15 | 2014-09-15 | Micro gas pressure power device |
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| CN105484982A true CN105484982A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410468987.XA Pending CN105484982A (en) | 2014-09-15 | 2014-09-15 | Micro gas pressure power device |
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| CN108071577A (en) * | 2016-11-10 | 2018-05-25 | 研能科技股份有限公司 | Minisize fluid control device |
| CN108278192A (en) * | 2017-01-05 | 2018-07-13 | 研能科技股份有限公司 | Minisize fluid control device |
| CN108302015A (en) * | 2017-01-13 | 2018-07-20 | 研能科技股份有限公司 | Minisize fluid control device |
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| CN109198734A (en) * | 2017-07-03 | 2019-01-15 | 研能科技股份有限公司 | Intelligent brassiere |
| CN109425693A (en) * | 2017-08-21 | 2019-03-05 | 研能科技股份有限公司 | Actuation sensor device and its shell being applicable in |
| CN109425692A (en) * | 2017-08-21 | 2019-03-05 | 研能科技股份有限公司 | Actuation sensor device and its shell |
| CN109425696A (en) * | 2017-08-22 | 2019-03-05 | 研能科技股份有限公司 | Actuation sensor module |
| CN109907763A (en) * | 2017-12-12 | 2019-06-21 | 研能科技股份有限公司 | Blood sugar detection apparatus |
| CN109907763B (en) * | 2017-12-12 | 2021-11-23 | 研能科技股份有限公司 | Blood sugar detection device |
| CN113730098A (en) * | 2020-05-29 | 2021-12-03 | 研能科技股份有限公司 | Medical negative pressure laminating subassembly |
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