CN113123947B - Thin gas transmission device - Google Patents

Abstract

A thin gas delivery device, comprising: thin gas pump and thin valve structure, thin valve structure has: a first thin plate having a hollowed-out area; a valve frame having a valve sheet receiving area; the valve plate is arranged in the valve plate accommodating area and is provided with a valve hole, and the valve hole is staggered with the hollow area; and a second sheet having: a gas outlet surface; a pressure relief surface opposite the air outlet surface; the air outlet groove is sunken from the air outlet surface and is staggered with the excavated area part of the first thin plate; the air outlet is hollowed from the air outlet groove to the pressure relief surface, and in addition, the air outlet is arranged corresponding to the valve hole; the pressure relief holes and the air outlet grooves are arranged at intervals; and a pressure relief trench recessed from the pressure relief surface and communicating with the pressure relief hole; wherein, the first thin plate, the valve frame and the second thin plate are sequentially stacked and fixed.

Description

Thin Gas Delivery Device

【Technical field】

This case relates to a thin gas transmission device, especially a thin gas transmission device formed by stacking thin plates.

【Background technique】

With the rapid development of science and technology, the application of gas delivery devices is becoming more and more diversified, such as industrial applications, biomedical applications, medical care, electronic heat dissipation, etc., and even the recent popular wearable devices can be seen. It can be seen that Traditional gas delivery devices are gradually trending toward miniaturization, thinning, and maximizing the flow rate of the device.

The current gas transmission device still has a certain thickness, especially the overall thickness of the valve structure cannot be reduced, which makes it difficult to combine the overall thickness with the portable electronic device. Therefore, how to reduce the gas transmission device so that it can be integrated with the portable electronic device Combination is actually an urgent problem to be solved at present.

【Content of invention】

The main purpose of this case is to provide a thin gas transmission device, including a thin gas pump and a thin valve structure. The valve structure is made of metal sheet, which can greatly reduce the thickness of the gas transmission device.

A broad implementation of this case is a thin gas transmission device, including: a thin gas pump, including: an air inlet plate, with: a first surface; a second surface, opposite to the first surface; a plurality of Air intake holes are respectively penetrating from the first surface to the second surface; a confluence chamber is recessed from the second surface and is located in the center of the second surface; and a plurality of air intake channels are formed from the second surface A depression is formed, one end of which is respectively connected to the plurality of air inlets, and the other end is connected to the confluence chamber; a resonant sheet, combined with the second surface, has: a central hole, located at the center of the resonant sheet; a vibrating part , located on the periphery of the central hole, and corresponding to the confluence chamber; and a fixed part, located on the outer edge of the vibrating part, and the resonant plate is connected to the intake plate through the fixed part; an actuator, connected to the resonance The fixed portion of the sheet; a first insulating frame, combined with the actuator; a conductive frame, combined with the first insulating frame; a second insulating frame, combined with the conductive frame; and a thin valve structure, combined with the second Affinity framework, with:

A first thin plate has a hollowed out area; a valve frame has a valve plate accommodation area; a valve plate is arranged in the valve plate accommodation area and has a valve hole, and the valve hole and the hollowed out area dislocation;

and a second thin plate having: an air outlet surface; a pressure relief surface opposite to the air outlet surface; an air outlet groove recessed from the air outlet surface and partially offset from the hollowed out area of the first thin plate; An air hole is hollowed out from the air outlet groove towards the pressure relief surface. In addition, the air outlet is arranged corresponding to the valve hole; a pressure relief hole is arranged at intervals from the air outlet groove; and a pressure relief ditch is formed from the pressure relief The surface is recessed and communicated with the pressure relief hole; wherein, the first thin plate, the valve frame and the second thin plate are stacked and fixed in sequence.

【Description of drawings】

FIG. 1A is a three-dimensional schematic diagram of the thin gas transmission device of the present invention.

FIG. 1B is a schematic perspective view of another angle of the thin gas transmission device of the present invention.

FIG. 2A is an exploded schematic diagram of the thin gas pump of this case.

FIG. 2B is an exploded schematic diagram of another angle of the thin gas pump of the present invention.

FIG. 3A is a schematic cross-sectional view of the thin gas pump of the present invention.

3B to 3D are schematic diagrams of the operation of the thin gas pump of the present invention.

FIG. 4A is an exploded schematic view of the structure of the thin valve in this case.

Fig. 4B is an exploded schematic diagram of another angle of the thin valve structure of the present case.

FIG. 5A is a schematic diagram of a thin gas delivery device combined with an airbag in this case.

FIG. 5B is a schematic cross-sectional view of the thin gas transmission device combined with the airbag of the present invention.

FIG. 6A is a schematic cross-sectional view of the thin gas transmission device of the present invention.

FIG. 6B is a schematic diagram of the exhaust of the thin gas transmission device of the present invention.

FIG. 6C is a schematic diagram of pressure relief of the thin gas transmission device of the present invention.

【detailed description】

Some typical embodiments embodying the features and advantages of the present application will be described in detail in the description in the following paragraphs. It should be understood that the present case can have various changes in different aspects without departing from the scope of the present case, and the descriptions and diagrams therein are used for illustration in nature rather than limiting the present case.

Please refer to FIG. 1A to FIG. 1B . FIG. 1A is a perspective view of the thin gas transmission device of this case, and FIG. 1B is a perspective view of another angle of the thin gas transmission device of this case. This case provides a thin gas transmission device 100, which includes a thin gas pump 1 and a thin valve structure 2, and the thin gas pump 1 is stacked on the thin valve structure.

Please refer to FIG. 2A and FIG. 2B . FIG. 2A is an exploded view of the thin air pump, and FIG. 2B is an exploded view of the thin air pump from another angle. The thin air pump 1 includes an air intake plate 11 , a resonant plate 12 , an actuating element 13 , a first insulating frame 14 , a conductive frame 15 and a second insulating frame 16 .

The intake plate 11 has a first surface 111 , a second surface 112 , a plurality of intake holes 113 , a confluence chamber 114 and a plurality of intake channels 115 . The first surface 111 and the second surface 112 are two surfaces corresponding to each other. In this embodiment, the number of the air holes 113 is four, but not limited thereto, and respectively penetrate from the first surface 111 to the second surface 112 . The confluence chamber 114 is formed by indenting the second surface 112 and is located at the center of the second surface 112 . The number and positions of the plurality of air intake channels 115 correspond to the air intake holes 113 , so in this embodiment the number is also four. One end of the air intake channel 115 is respectively communicated with the corresponding air intake hole 113, and the other end is respectively communicated with the confluence chamber 114, so that after the gas enters from the air intake hole 113, it will pass through the corresponding air intake channel 115, and finally converge in the confluence chamber 114.

The resonant plate 12 is combined with the second surface 112 of the air inlet plate 11. The resonant plate 12 includes a central hole 121, a vibrating portion 122 and a fixed portion 123. The central hole 121 is formed through the center of the resonant plate 12. The vibrating portion 122 The fixing part 123 is located at the peripheral area of the central hole 121 and the outer edge of the vibrating part 122 , and the resonant plate 12 is combined with the air intake plate 11 through the fixing part 123 . When the resonant plate 12 is combined with the air inlet plate 11 , the central hole 121 and the vibrating portion 122 will vertically correspond to the confluence chamber 114 of the air inlet plate 11 .

The actuator 13 is coupled to the resonant plate 12 , and the actuator 13 includes a vibrating plate 131 , a frame 132 , a plurality of connecting parts 133 , a piezoelectric film 134 and a plurality of gas channels 135 . The vibrating plate 131 is in a square shape. The frame 132 is a square-shaped outer frame surrounding the periphery of the vibrating plate 131 and has a first conductive pin 132 a extending horizontally from the periphery of the frame 132 . A plurality of gas channels 135 are located between the vibrating plate 131 , the frame 132 and the plurality of connecting parts 133 . Wherein, the actuator 13 is coupled to the fixing portion 123 of the resonant piece 12 through the frame 132 , and the number of the plurality of connecting portions 133 in this embodiment is four, but not limited thereto. The connecting parts 133 are respectively connected between the vibrating plate 131 and the frame 132 to elastically support the vibrating plate 131 . Its shape and area of the piezoelectric sheet 134 correspond to the vibrating plate 131. In this embodiment, the piezoelectric sheet 134 is also a square shape, and its side length is less than or equal to the side length of the vibrating plate 131, and it is attached to the piezoelectric plate 131. Sheet 134. In addition, the vibrating plate 131 has two opposite surfaces: an upper surface 131a and a lower surface 131b. The upper surface 131a has a protrusion 131c, and the piezoelectric film 134 is attached to the lower surface 131b.

The shapes of the first insulating frame 14 and the second insulating frame 16 are the same as the frame 132 of the actuator 13 , and both are square frames. The conductive frame 15 includes a frame portion 151, an electrode portion 152 and a second conductive pin 153. The shape of the frame portion 151 is the same as that of the first insulating frame 14 and the second insulating frame 16, which is a square frame. The electrode portion 152 starts from the frame portion The inner side of the frame portion 151 extends toward the center, and the second conductive pin 153 extends horizontally from the outer periphery of the frame portion 151 .

Please refer to FIG. 3A and FIG. 2A . FIG. 3A is a schematic cross-sectional view of a thin gas pump. The intake plate 11 , the resonant plate 12 , the actuator 13 , the first insulating frame 14 , the conductive frame 15 and the second insulating frame 16 are stacked in sequence, and a vibration chamber 17 is formed between the resonant plate 12 and the vibrating plate 131 . In addition, the electrode part 152 of the conductive frame 15 will contact the piezoelectric sheet 134 of the actuator 13 and be electrically connected, so that the first conductive pin 132a of the actuator 13 and the second conductive pin 153 of the conductive frame 15 can be exposed to the outside. A driving signal (including a driving voltage and a driving frequency) is received, and the driving signal is transmitted to the piezoelectric sheet 134 .

Please refer to FIG. 3B to FIG. 3D for the action of the thin gas pump 1 . After receiving the driving signal, the piezoelectric plate 134 starts to deform due to the piezoelectric effect, and then drives the vibrating plate 131 to move up and down. Please refer to FIG. 3B first. When the vibrating plate 131 moves downward, the vibrating part 122 of the resonant plate 12 is driven to move downward, so that the volume of the confluence chamber 114 increases, and the external air is drawn through the air inlet 113 and the air inlet channel 115. The gas enters into the confluence chamber 114 . As shown in Figure 3C, when the vibration plate 131 is driven upward by the piezoelectric sheet 134, the gas in the vibration chamber 17 will be pushed from the center to the outside to the gas channel 135, so as to be guided downward through the gas channel 135, At the same time, the resonant plate 12 will move upward, pushing the gas in the confluence chamber 114 to be transported downward through the central hole 121 . Finally, as shown in FIG. 3D, when the vibrating plate 131 is displaced downward and resets, the vibrating part 122 of the resonating plate 12 is synchronously driven to move downward, and the vibrating part 122 is close to the convex part 131c of the vibrating plate 131, pushing the gas in the vibrating chamber 17 to the Move outward to enter the gas channel 135, and due to the downward displacement of the vibrating part 122, the volume of the confluence chamber 114 is greatly increased, and then the gas from the outside is sucked into the confluence chamber 114 by the air inlet 113 and the air intake channel 115, The above actions are repeated continuously, and the gas is continuously transmitted downward to the thin valve structure 2 .

Please refer to FIG. 4A to FIG. 4B , FIG. 4A is an exploded view of the thin valve structure 2 , and FIG. 4B is an exploded view of the thin valve structure 2 from another angle. The thin valve structure 2 includes a first thin plate 21 , a valve frame 22 , a valve piece 23 and a second thin plate 24 .

The first thin plate 21 has a hollow area 211 . The valve frame 22 has a valve accommodating area 221 . The valve plate 23 is disposed in the valve plate accommodating area 221 and has a valve hole 231 , and the valve hole 231 is misaligned with the hollowed out area 211 . Wherein, the shape of the valve plate accommodating area 221 is the same as that of the valve plate 23 for the valve plate 23 to be fixed and positioned.

The second thin plate 24 has an air outlet surface 241 , a pressure relief surface 242 , an air outlet groove 243 , an air outlet hole 244 , a pressure relief hole 245 and a pressure relief ditch 246 . The air outlet surface 241 and the pressure relief surface 242 are two opposite surfaces. The air outlet groove 243 is recessed from the air outlet surface 241 , and is partially offset from the hollowed out area 211 of the first thin plate 21 . The air outlet hole 244 is hollowed out from the air outlet groove 243 toward the pressure relief surface 242 , and the position of the air outlet hole 244 corresponds to the valve hole 231 of the valve plate 23 . In addition, the diameter of the outlet hole 244 is larger than the diameter of the valve hole 231 . The pressure relief hole 245 is spaced apart from the air outlet groove 243 . The pressure relief trench 246 is recessed from the pressure relief surface 242 , and one end communicates with the pressure relief hole 245 , and the other end extends to the edge of the second thin plate 24 . Wherein, the shape of the air outlet groove 243 of the second thin plate 24 and the shape of the hollow area 211 of the first thin plate 21 may be the same shape, and may correspond to each other.

The above-mentioned first thin plate 21, valve frame 22 and second thin plate 24 are all made of metal. In one embodiment, they can be made of the same metal material, such as stainless steel. In addition, the first thin plate 21, the valve frame 22 and the second thin plate The thicknesses of 24 are all the same, and their thicknesses are all 2mm.

Please refer to FIG. 5A and FIG. 5B . The second thin plate 24 of the thin gas transmission device 100 can be combined with an air bag 3 having an air hole 31 connected to the air outlet hole 244 of the second thin plate 24 . When the thin gas transmission device 100 starts to operate, the gas can be introduced into the airbag 3 , wherein the airbag 3 can be only an annular airbag, but not limited thereto.

Please refer to FIG. 6A . FIG. 6A is a schematic cross-sectional view of the thin gas transmission device of the present invention. The first thin plate 21 , the valve frame 22 and the second thin plate 24 of the thin valve structure 2 are stacked and fixed in sequence. The valve plate 23 is accommodated in the valve plate accommodating area 221 of the valve frame 22 , and the thin gas pump 1 is stacked on the thin valve structure 2 . When the thin gas pump 1 transmits gas to the thin valve structure 2, as shown in FIG. 6B, the gas enters the hollowed out area 211 of the first thin plate 21 and pushes the valve plate 23. At this time, the valve plate above the gas outlet groove 243 Part of the area 23 will be pushed down, so that the gas enters the gas outlet groove 243 and is discharged through the valve hole 231 and the gas outlet hole 244 of the second thin plate 24; FIG. 6C is a schematic diagram of pressure relief of the thin valve structure 2. When the thin gas transmission device 100 stops transmitting gas to the airbag 3, the air pressure of the airbag 3 is greater than the external air pressure, and the pressure relief action starts through the thin valve structure 2, as shown in Figure 6C, the gas will be returned from the air outlet 244 to the The second thin plate 24 pushes the valve plate 23 upwards at the same time. At this time, the valve hole 231 of the valve plate 23 will be closed from the top to the bottom of the first thin plate 21, and is located in the valve plate 23 part area of the hollowed out area 211 of the first thin plate 21. will be pushed upwards, the gas will enter the hollowed out area 211 from the gas outlet groove 243, and flow into the pressure relief ditch 246 through the pressure relief hole 245, and discharge the gas outward, and discharge the gas in the airbag 3 to complete the pressure relief action .

In summary, the thin gas transmission device provided in this case can greatly reduce the overall thickness of the gas transmission device by using the thin valve device with the structure of the first thin plate, the valve frame, the valve plate and the second thin plate, especially the first thin plate , The thickness of the valve frame and the second thin plate can be reduced to 2mm, so that the overall thickness of the thin valve device is only 6mm, and the first thin plate, valve frame and second thin plate are all made of metal, which can greatly improve the overall rigidity of the thin gas transmission device , and at the same time provide an excellent heat dissipation effect, which is extremely industrially applicable and progressive.

【Symbol Description】

100: Thin Gas Delivery Device

1: Thin gas pump

11: Air intake plate

111: First Surface

112: second surface

113: air intake

114: confluence chamber

115: Air intake channel

12: Resonant plate

121: Center hole

122: Vibration Department

123: fixed part

13: Actuator

131: vibration plate

131a: upper surface

131b: lower surface

131c: Convex part

132: frame

132a: first conductive pin

133: Connecting part

134: piezoelectric film

135: gas channel

14: The first insulating frame

15: Conductive frame

151: Frame Department

152: electrode part

153: Second conductive pin

16: Second insulation frame

17: Vibration Chamber

2: Thin valve structure

21: first sheet

211: Knockout Area

22: Valve frame

221: Valve accommodation area

23: Valve sheet

231: valve hole

24: second sheet

241: Air outlet surface

242: Pressure Relief Surface

243: Outlet Groove

244: Vent

245: Pressure relief hole

246: Pressure Relief Ditch

3: airbag

31: stomata

Claims (10)

1. A thin gas delivery device, comprising:

a thin gas pump comprising:

an intake plate having:

a first surface;

a second surface opposite to the first surface;

a plurality of air inlets respectively penetrating from the first surface to the second surface;

a converging chamber formed by recessing from the second surface and located at the center of the second surface; and

a plurality of air inlet channels formed by the second surface in a concave way, wherein one end of each air inlet channel is respectively connected with the plurality of air inlet holes, and the other end of each air inlet channel is connected with the confluence chamber; a resonator plate, bonded to the second surface, having:

a central hole located at the center of the resonance sheet;

a vibration part located at the periphery of the central hole and corresponding to the confluence chamber; and

the fixing part is positioned at the outer edge of the vibrating part, and the resonator plate is combined to the air inlet plate through the fixing part;

an actuating member coupled to the fixing portion of the resonator plate;

a first insulating frame combined with the actuating member;

a conductive frame combined with the first insulating frame; and

a second insulating frame combined with the conductive frame; and

a thin valve structure, which is combined with the second insulating frame and has:

a first thin plate having a hollow area;

a valve frame having a valve plate receiving area;

the valve plate is arranged in the valve plate accommodating area and is provided with a valve hole, and the valve hole is staggered with the hollowed area; and

a second sheet having:

an air outlet surface;

a pressure relief surface opposite the vent surface;

a gas outlet groove which is sunken from the gas outlet surface and is staggered with the excavated area part of the first thin plate;

an air outlet hole hollowed from the air outlet groove to the pressure relief surface, wherein the air outlet hole is arranged corresponding to the valve hole;

the pressure relief hole is arranged at an interval with the air outlet groove; and

a pressure relief trench recessed from the pressure relief surface and communicating with the pressure relief hole;

wherein, the first thin plate, the valve frame and the second thin plate are sequentially stacked and fixed.

2. A thin gas delivery device as claimed in claim 1 wherein the actuator comprises: a vibrating plate in a square shape;

a frame surrounding the periphery of the vibrating plate;

a plurality of connection parts respectively connected between the vibration plate and the frame to elastically support the vibration plate; and

and the shape and the area of the piezoelectric piece correspond to those of the vibration plate, and the piezoelectric piece is attached to the vibration plate.

3. The thin gas delivery device according to claim 1, wherein the gas outlet has a larger diameter than the valve hole.

4. The thin gas delivery device according to claim 3, wherein the first sheet, the valve frame and the second sheet are made of a metal material.

5. The thin gas delivery device according to claim 4, wherein the metal material is stainless steel.

6. The thin gas delivery device of claim 1, wherein the hollow region is the same shape as the air outlet groove.

7. The thin gas delivery device of claim 1, wherein the second sheet is combined with a gas bag, the gas bag has a gas hole, and the gas hole is connected with the gas outlet hole of the second sheet.

8. The thin gas delivery device of claim 7, wherein the bladder is an annular bladder.

9. The thin gas delivery device according to any of claims 1 to 8, wherein the first sheet, the valve frame and the second sheet are all the same thickness.

10. The thin gas delivery device according to claim 9, wherein the first sheet, the valve frame and the second sheet are all 2mm thick.

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