CN112471622A - Adjustable pressure chest pad - Google Patents

Abstract

An adjustable air pressure chest pad, comprising: a chest pad body and a gas collection actuator. The chest pad body comprises an outer surface layer, an inner surface layer and an air bag layer. The air bag layer is coated between the outer surface layer and the inner surface layer and is provided with an air channel. The air channel is provided with a connecting end which extends out of the chest pad body. The gas collection actuator is connected with the connecting end of the gas channel and comprises a gas conveyer, a control module and a gas pressure detector. The air conveyor supplies air to the air bag layer in the chest pad body so as to adjust the internal pressure of the air bag layer. The control module controls the operation of the gas conveyer and the gas pressure detector. The air pressure detector detects the internal air pressure of the air bag layer so as to monitor and inform the control module to control the operation of the air conveyor.

Description

Adjustable pressure chest pad

Technical Field

The present invention relates to a breast pad, and more particularly, to a breast pad capable of adjusting internal air pressure.

Background

For modern women, chest pads are needed for many important situations. If the stability of the chest pad is not good, the chest pad is easy to slip and dislocate along with the limb movement of the wearer, so that the wearer feels no sense of safety and is uncomfortable, and the wearer also needs to frequently readjust the position of the chest pad, thereby causing inconvenience to the wearer. In addition, the comfort of the breast pad when worn is one of the major points of women when choosing.

Therefore, how to develop a breast pad which can maintain the comfort of women when wearing is a problem to be solved in the field.

Disclosure of Invention

The present invention provides an adjustable pressure chest pad to solve the problem of insufficient supporting force of the conventional chest pad on the chest in the prior art.

To achieve the above object, the present invention provides an adjustable pressure chest pad, comprising: a chest pad body and a gas collection actuator. The chest pad body comprises an outer surface layer, an inner surface layer and an air bag layer. The air bag layer is coated between the outer surface layer and the inner surface layer and is provided with an air channel. The air channel is provided with a connecting end which extends out of the chest pad body. The gas collection actuator is connected with the connecting end of the gas channel and comprises a gas conveyer, a control module and a gas pressure detector. The air conveyor supplies air to the air bag layer in the chest pad body so as to adjust the internal pressure of the air bag layer. The control module controls the operation of the gas conveyer and the gas pressure detector. The air pressure detector detects the internal air pressure of the air bag layer so as to monitor and inform the control module to control the operation of the air conveyor.

Drawings

Fig. 1 is a schematic structural view of the adjustable pneumatic chest pad.

FIG. 2 is a cross-sectional view taken along section lines A-A' of FIG. 1.

Fig. 3 is a schematic structural diagram of the gas collection actuator of the adjustable pressure chest pad.

Fig. 4A and 4B are schematic views illustrating the operation of inflating the gas collection actuator according to the present invention.

Fig. 4C is a schematic view of the pressure relief operation of the gas collection actuator of the present invention. .

Fig. 5A is an exploded perspective view of the gas conveyor of the gas collection actuator from a top view.

Fig. 5B is a perspective exploded view of the gas conveyer from a bottom view.

Fig. 6A is a schematic cross-sectional view of the gas conveyer of the present invention.

FIG. 6B is a schematic cross-sectional view of another embodiment of the gas delivery device of the present invention.

Fig. 6C to 6E are operation diagrams of the gas conveyer of the present invention.

Description of the reference numerals

1: adjustable pressure chest pad

2: chest pad body

21: inner surface layer

22: outer surface layer

23: air bag layer

24: gas channel

24 a: connecting end

3: gas collection actuator

31: gas conveyer

311: micro pump

3111: intake plate

3111 a: inlet orifice

3111 b: bus bar groove

3111 c: confluence chamber

3112: resonance sheet

3112 a: hollow hole

3112 b: movable part

3112 c: fixing part

3113: piezoelectric actuator

3113 a: suspension plate

3113 b: outer frame

3113 c: support frame

3113 d: piezoelectric element

3113 e: gap

3113 f: convex part

3114: first insulating sheet

3115: conductive sheet

3116: second insulating sheet

3117: chamber space

312: air collecting valve seat

312 a: gas collecting tank

312 b: first gas collection chamber

312 c: first pressure relief chamber

312 d: gas collection through hole

312 e: communicating flow passage

312 f: convex part of air collecting valve seat

312 g: pressure relief through hole

313: cavity plate

313 a: second gas collecting cavity

313 b: second pressure relief chamber

313 c: cavity plate convex part

313 d: communicating chamber

313 e: communicating hole

314: valve plate

314 a: valve bore

32: transmission channel

33: air pressure detector

34: control module

35 a: air inlet valve switch

35 b: air release valve switch

A-A': section line

Detailed Description

Embodiments that embody the features and advantages of this disclosure will be described in detail in the description that follows. It will be understood that the present invention is capable of various modifications without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.

Referring to fig. 1 and 2, in the present embodiment, the adjustable air pressure breast pad 1 includes a breast pad body 2 and an air collection actuator 3. The body 2 includes an inner surface layer 21, an outer surface layer 22 and an air bag layer 23. The air bag layer 23 is enclosed between the inner skin 21 and the outer skin 22, and the air bag layer 23 has an air passage 24. The gas passage 24 has a connection end 24a, and the connection end 24a extends out of the chest pad body 2.

It should be noted that, in the present embodiment, the outer surface layer 22 and the inner surface layer 21 may be made of two different fabrics, but not limited thereto, and the material may be changed according to the actual implementation. The appearance and the arrangement of the air bag layer 23 can be changed in various ways; for example, the bladder layer 23 may be a half-moon arc shape, about 1/3 cup size, but not limited thereto; in other embodiments, the air bag layer 23 may also be in the form of 1/2 cups, i.e. it covers half of the breast pad body 2, but it is not limited thereto; of course, in other embodiments, the air bag layer 23 may be in the form of a complete cup, i.e. it covers the entire breast pad body 2. It can be seen that the type, the arrangement position, the range, etc. of the air bag layer 23 can be arbitrarily changed according to the actual implementation situation, and the above-mentioned limitation is not included. In the present embodiment, the gas collection actuator 3 is detachably connected to the connection end 24a of the gas channel 24, but not limited thereto; in other embodiments, the gas collection actuator 3 may also be fixedly connected to the connection end 24a of the gas channel 24, but the arrangement manner is not limited thereto. Thereby, the gas collection actuator 3 can input or output gas through the connection end 24a of the gas channel 24, and further can inflate or deflate the airbag layer 23 and adjust the internal pressure of the airbag layer 23. Therefore, the user can adjust the volume and pressure of the air bag layer 23 in the chest pad body 2 through the air collection actuator 3, so that the softness, appearance shape, support strength and the like of the chest pad body 2 meet the requirements of the user, the lifting effect is achieved, the adjustment can be carried out randomly according to the ideal shape required by each user, and the effects of stable support and lifting are achieved.

Referring to fig. 1, in the present embodiment, the gas collecting actuator 3 includes a gas conveyer 31, a transmission channel 32, a gas pressure detector 33, a control module 34, a gas inlet valve switch 35a, and a gas outlet valve switch 35 b. The gas delivery device 31 supplies gas to the air bag layer 23 in the chest pad body 2 through the delivery passage 32 to adjust the internal pressure of the air bag layer 23. The control module 34 controls the operation of the gas conveyer 31 and the gas pressure detector 33. The gas pressure detector 33 detects the internal gas pressure of the air bag layer 23 to monitor and inform the control module 34 to control the actuation operation of the gas conveyor 31. That is, when the internal gas pressure of the air bag layer 23 reaches a predetermined value, the control module 34 is informed to close the operation of the gas conveyer 31, so as to achieve the purpose of intelligent control. The user can adjust the preset value of the air pressure detector 33 through the control module 34, so that the user can properly adjust the inflation amount of the air bag layer 23 to control the operation time of the air conveyor 31, and the softness, appearance, support strength and the like of the breast pad body 2 meet the requirements of the user, and the intelligent power saving benefit is achieved. The intake valve switch 35a and the release valve switch 35b are controlled by the control module 34 to operate, the intake valve switch 35a is communicated with the intake end of the gas conveyor 31, so that the gas conveyor 31 can perform gas collection operation of guiding the external gas of the gas collection actuator 3 to enter when the intake valve switch 35a is opened, and the release valve switch 35b is communicated with the exhaust end of the gas conveyor 31, so that the gas conveyor 31 can perform exhaust operation of discharging the internal gas of the gas collection actuator 3 when the release valve switch 35b is opened.

Referring to fig. 1, 2 and 3, in the embodiment, the gas conveyer 31 is connected to the connection end 24a of the gas channel 24 through the transmission channel 32, and the gas conveyer 31 includes a micro pump 311, a gas collecting valve seat 312, a cavity plate 313 and a valve plate 314. The air collecting valve seat 312 has a concave air collecting channel 312a on one surface for communicating with the transmission channel 32, and a first air collecting chamber 312b and a first pressure releasing chamber 312c on the other surface. A gas collecting through hole 312d is formed between the gas collecting channel 312a and the first gas collecting chamber 312b, so that the gas collecting channel 312a and the first gas collecting chamber 312b are communicated with each other. The first air collecting chamber 312b and the first pressure releasing chamber 312c are disposed on the other surface of the air collecting valve seat 312 at a distance, and a communication channel 312e is disposed between the first air collecting chamber 312b and the first pressure releasing chamber 312c, so that the first air collecting chamber 312b and the first pressure releasing chamber 312c are communicated with each other. The first pressure-releasing chamber 312c is provided with a gas-collecting valve seat protrusion 312f, and the center of the gas-collecting valve seat protrusion 312f is provided with a pressure-releasing through hole 312 g. One end of the pressure relief through hole 312g is an exhaust end of the gas conveyer 31 and is used for communicating with the release valve switch 35b (shown in fig. 1), and the other end of the pressure relief through hole 312g is communicated with the first pressure relief chamber 312 c. The release valve switch 35b is opened to discharge air through the pressure discharge hole 312g for exhausting.

In the present embodiment, the cavity plate 313 is disposed on the gas collecting valve seat 312, and a side region thereof is an air inlet end of the gas conveyor 31 and is used for communicating with the air inlet valve switch 35a (as shown in fig. 1), and a second gas collecting chamber 313a and a second pressure releasing chamber 313b are respectively disposed on a surface corresponding to the gas collecting valve seat 312. The second air collecting chamber 313a corresponds to the first air collecting chamber 312b, and the second pressure relief chamber 313b corresponds to the first pressure relief chamber 312 c. The second air collecting chamber 313a is provided therein with a chamber plate protrusion 313 c. The cavity plate 313 is provided with a communication cavity 313d recessed on the other surface opposite to the second air collecting cavity 313a and the second pressure releasing cavity 313 b. The micro pump 311 is seated on the cavity plate 313 to cover the communication chamber 313 d. The chamber plate 313 is provided with a plurality of communication holes 313e respectively communicated between the communication chamber 313d and the second air collecting chamber 313a and between the communication chamber 313d and the second pressure relief chamber 313 b. The valve plate 314 is disposed between the air collecting valve seat 312 and the cavity plate 313, so as to interfere with the air collecting valve seat protrusion 312f to close the pressure relief through hole 312 g. A valve hole 314a is formed at a position where the valve plate 314 collides with the cavity plate protrusion 313c, and the valve hole 314a is closed by colliding with the cavity plate protrusion 313 c.

Referring to fig. 5A, 5B and 6A, in the present embodiment, the micro pump 311 is formed by sequentially stacking a current inlet plate 3111, a resonant plate 3112, a piezoelectric actuator 3113, a first insulating plate 3114, a conductive plate 3115 and a second insulating plate 3116.

In this embodiment, the inflow plate 3111 has at least one inflow hole 3111a, at least one bus groove 3111b and a bus chamber 3111 c. The at least one inflow hole 3111a is in communication with the intake valve switch 35a (shown in fig. 1) for introducing gas, and is disposed corresponding to the at least one bus groove 3111 b. The at least one bus duct 3111b is connected between the at least one inlet 3111a and the bus chamber 3111c, so that the gas introduced through the at least one inlet 3111a can flow into the bus chamber 3111 c. In this embodiment, the number of the at least one inflow hole 3111a and the number of the at least one bus duct 3111b are the same, and are 4, respectively, but not limited thereto. The 4 inflow holes 3111a communicate with the 4 bus grooves 3111b, respectively, and the 4 bus grooves 3111b are merged to the bus chamber 3111 c.

In this embodiment, the resonator plate 3112 is disposed on the flow inlet plate 3111 and has a hollow hole 3112a, a movable portion 3112b and a fixed portion 3112 c. The hollow hole 3112a is provided at the center of the resonance plate 3112 and corresponds to a position of the confluence chamber 3111c of the inflow plate 3111. The movable portion 3112b is disposed around the hollow hole 3112a and also located in a region opposite to the junction chamber 3111 c. The fixing portion 3112c is provided at an outer peripheral portion of the resonator plate 3112 and is attached to the flow inlet plate 3111.

In this embodiment, the piezoelectric actuator 3113 is disposed on the resonator plate 3112, and includes a suspension plate 3113a, a frame 3113b, at least one bracket 3113c, a piezoelectric element 3113d, at least one gap 3113e and a protrusion 3113 f. The suspension plate 3113a has a square shape, and the square suspension plate 3113a is adopted, so the structure of the square suspension plate 3113a has the advantage of power saving compared with the design of a circular suspension plate. Because of the capacitive load operating at the resonant frequency, the power consumption increases with the frequency increase, and because the resonant frequency of the side-length square suspension plate 3113a is significantly lower than that of the circular suspension plate, the relative power consumption is also significantly lower. That is, the suspension plate 3113a with a square design has the advantage of power saving. The outer frame 3113b is disposed around the suspension plate 3113 a. At least one support 3113c is connected between the suspension plate 3113a and the frame 3113b for providing a supporting force for elastically supporting the suspension plate 3113 a. The piezoelectric element 3113d has a side length less than or equal to a side length of the suspension plate 3113a, and the piezoelectric element 3113d is attached to a surface of the suspension plate 3113a to be driven by a voltage applied thereto to vibrate the suspension plate 3113a in a bending manner. At least one gap 3113e is formed between the suspension plate 3113a, the outer frame 3113b and at least one support 3113c for passing gas. The convex portion 3113f is provided on the other surface of the suspension plate 3113a to which the piezoelectric element 3113d is attached. In the present embodiment, the convex portion 3113f is integrally formed by an etching process, and is a convex structure formed on the surface opposite to the surface to which the piezoelectric element 3113d is attached.

Referring to fig. 6A, in this embodiment, a cavity space 3117 is formed between the suspension plate 3113a and the resonant plate 3112. The cavity space 3117 can be formed by filling a gap between the resonator plate 3112 and the outer frame 3113b of the piezoelectric actuator 3113 with a material, for example: the conductive paste, but not limited thereto, allows a certain depth to be maintained between the resonator plate 3112 and the suspension plate 3113a, thereby guiding the gas to flow more rapidly, and since the suspension plate 3113a and the resonator plate 3112 maintain a proper distance to reduce contact interference therebetween, noise generation may be reduced. In this embodiment, the height of the outer frame 3113b of the piezoelectric actuator 3113 can be increased to reduce the thickness of the conductive adhesive filled in the gap between the resonator plate 3112 and the outer frame 3113b of the piezoelectric actuator 3113, so as to avoid the influence of the conductive adhesive on the actual distance between the cavity space 3117 after molding due to thermal expansion and contraction, and reduce the indirect influence of the thermal expansion temperature and the cooling temperature of the conductive adhesive on the overall structure of the micro-pump 311, but not limited thereto. In addition, the chamber space 3117 will affect the transfer efficiency of the micro-pump 311, so it is important to maintain a constant volume of the chamber space 3117 for the micro-pump 311 to provide stable transfer efficiency.

Referring to fig. 6B, in other embodiments, the suspension plate 3113a can be formed by stamping to extend outwardly a distance that can be adjusted by at least one bracket 3113c formed between the suspension plate 3113a and the frame 3113B such that the surfaces of the protrusions 3113f on the suspension plate 3113a and the surfaces of the frame 3113B are non-coplanar. And a small amount of filling material is coated on the assembly surface of the outer frame 3113b, for example: the conductive paste adheres the piezoelectric actuator 3113 to the fixing portion 3112c of the resonator plate 3112 by thermal compression, so that the piezoelectric actuator 3113 is assembled with the resonator plate 3112. Thus, the structure improvement of the cavity space 3117 formed by the press forming method can be achieved by adjusting the press forming distance of the suspension plate 3113a of the piezoelectric actuator 3113, so as to effectively simplify the structural design of the cavity space 3117, and achieve the advantages of simplifying the process and shortening the process time.

In this embodiment, the first insulating sheet 3114, the conductive sheet 3115 and the second insulating sheet 3116 are frame-shaped thin sheets, and are sequentially stacked on the piezoelectric actuator 3113 to form an integral structure of the micro-pump 311.

Referring to fig. 6A, in the present embodiment, the inlet plate 3111, the resonator plate 3112, the piezoelectric actuator 3113, the first insulating plate 3114, the conductive plate 3115 and the second insulating plate 3116 of the micro-pump 311 can be fabricated by micro-electromechanical surface micromachining, so that the micro-pump 311 is reduced in volume to form the micro-pump 311 of the micro-electro-mechanical system, but not limited thereto.

Please refer to the operation of the micro pump 311 shown in fig. 6C to 6E. In this embodiment, as shown in fig. 6C, the piezoelectric element 3113d of the piezoelectric actuator 3113 is deformed by the driving voltage applied thereto, and the floating plate 3113a is displaced in a direction away from the inlet plate 3111. At this time, the volume of the chamber space 3117 is increased, and a negative pressure is formed in the chamber space 3117, thereby drawing the gas in the confluence chamber 3111c into the chamber space 3117. At the same time, the resonance plate 3112 is synchronously displaced in a direction away from the flow inlet plate 3111 under the influence of the resonance principle, which increases the volume of the confluence chamber 3111c, and the gas in the confluence chamber 3111c enters the chamber space 3117, so that the pressure in the confluence chamber 3111c is also negative, and the gas is sucked into the confluence chamber 3111c through the flow inlet 3111a and the confluence groove 3111 b. As shown in fig. 6D, the suspension plate 3113a is displaced by the piezoelectric element 3113D toward the flow inlet plate 3111, and the chamber space 3117 is compressed. Similarly, the resonator plate 3112 is shifted toward the flow inlet plate 3111 due to resonance with the suspension plate 3113a, so that the gas in the chamber space 3117 is pushed out through the gap 3113e, thereby achieving the effect of gas transmission. Finally, as shown in fig. 6E, when the suspension plate 3113a is driven to return to the non-driven position, the resonator plate 3112 is also driven to move away from the intake plate 3111. At this time, the resonator plate 3112 moves the gas in the compression chamber space 3117 to the gap 3113e, and raises the volume in the manifold chamber 3111c, so that the gas can be continuously collected in the manifold chamber 3111c through the inflow hole 3111a and the manifold groove 3111 b. By repeating the operation steps of the micro pump 311 shown in fig. 6C to 6E, the micro pump 311 can continuously draw gas from the inlet hole 3111a into the flow channel formed by the inlet plate 3111 and the resonator plate 3112, generate a pressure gradient, and transmit the gas through the gap 3113E to the outside, so that the gas flows at a high speed, thereby completing the operation of transmitting gas by the micro pump 311.

Referring back to fig. 1, 2 and 4A to 4C, in the present embodiment, when the gas bag layer 23 is inflated, the intake valve switch 35a is controlled by the control module 34 to open, so that the gas outside the gas collection actuator 3 can enter, as shown in fig. 4A, the micro pump 311 is driven by the control module 34 (see fig. 1) to guide the gas to the communicating chamber 313d for concentration, the gas is then guided from the communicating chamber 313d to the second gas collection chamber 313a and the second pressure relief chamber 313b through the communicating hole 313e, the valve plate 314 is pushed away from the cavity plate protrusion 313C, so that the gas can be continuously guided into the first gas collection chamber 312b through the valve hole 314A of the valve plate 314, and finally is collected into the gas collection groove 312a through the gas collection hole 312 d. In addition, as shown in fig. 4B, the gas pushes the valve plate 314 to collide with the gas collecting valve seat protrusion 312f to close the pressure discharging through hole 312g, and the gas in the second pressure discharging chamber 313B is guided into the second gas collecting chamber 313a through the communicating flow channel 312e, and is continuously guided into the first gas collecting chamber 312B through the valve hole 314a of the valve plate 314, and is finally concentrated into the gas collecting groove 312a through the gas collecting through hole 312d, so that the gas is filled in the gas bag layer 23 (see fig. 2), thereby completing the inflation operation of the gas bag layer 23 and adjusting the internal pressure of the gas bag layer 23. Then, as shown in fig. 4C, when the micro pump 311 stops conducting gas, the gas pressure in the air bag layer 23 is greater than the gas pressure in the communication chamber 313d, and the gas in the air bag layer 23 pushes the valve sheet 314 against the cavity plate protrusion 313C and closes the valve hole 314 a. Meanwhile, the gas pushing valve plate 314 leaves the gas collecting valve seat convex part 312f to open the pressure relief through hole 312g, and the gas release valve switch 35b (see fig. 1) is controlled by the control module 34 to open, so that the gas in the airbag layer 23 is guided out from the communicating flow channel 312e to the pressure relief through hole 312g, and thus the gas in the pressure relief through hole 312g is guided out of the gas collecting actuator 3, thereby achieving the pressure relief operation of the airbag layer 23.

In the embodiment of the present invention, the adjustable pressure chest pad 1 supplies gas to the gas channel 24 by the continuous operation of the gas conveyor 31 of the gas collection actuator 3, and then introduces the gas into the airbag layer 23 to inflate the airbag layer 23, and of course, the inflation amount in the airbag layer 23 can be monitored by the pressure detector 33, and the control module 34 is used to control the operation of the inlet valve switch 35a and the release valve switch 35b, so that the gas can be stored in the airbag layer 23. In addition, the air pressure detector 33 is used for monitoring to adjust the proper inflation amount of the air bag layer 23, and when the inflation amount reaches the preset value of the air pressure detector 33, the micro pump 311 of the air conveyor 31 stops operating; when the inflation amount of the air bag layer 23 is insufficient, the user can set the preset value of the air pressure detector 33 through the control module 34 to properly adjust the inflation amount of the air bag layer 23, so that the softness, the appearance, the supporting strength, the lifting effect and the like of the chest pad body 2 meet the requirements of the user, and the intelligent power saving effect is achieved.

In conclusion, the present application provides an adjustable chest pad, which enables the hardness, appearance, support strength, and lifting effect of the chest pad body to meet the user's requirements, and achieves the effect of intelligent power saving. The intelligent bra of the scheme can meet different requirements of each user. Therefore, the present application has industrial application value, and application is made by the following methods.

Various modifications may be made by those skilled in the art without departing from the scope of the invention as defined by the appended claims.

Claims (13)

1. An adjustable air pressure chest pad, comprising:

the chest pad body comprises an outer surface layer, an inner surface layer and an air bag layer, wherein the air bag layer is coated between the outer surface layer and the inner surface layer, the air bag layer is provided with an air channel, the air channel is provided with a connecting end, and the connecting end penetrates out of the chest pad body; and

the gas collection actuator is connected with the connecting end of the gas channel and comprises a gas conveyer, a control module and a pressure detector, wherein the gas conveyer supplies gas to the air bag layer in the chest pad body so as to adjust the internal pressure of the air bag layer, the control module controls the operation of the gas conveyer and the pressure detector, and the pressure detector detects the internal gas pressure of the air bag layer so as to monitor and inform the control module to control the operation of the gas conveyer.

2. The thoracic pad of claim 1 wherein the gas delivery device comprises a micro pump, a gas collecting valve seat, a cavity plate and a valve plate, the gas collecting valve seat is configured in the gas collecting actuator, a gas collecting channel is recessed in one surface of the gas collecting valve seat, the gas collecting channel is connected to the connecting end of the gas channel, a first gas collecting chamber and a first pressure releasing chamber are disposed in the other surface of the gas collecting valve seat, a gas collecting through hole is disposed between the gas collecting channel and the first gas collecting chamber to connect the gas collecting channel and the first gas collecting chamber, the first gas collecting chamber and the first pressure releasing chamber are spaced apart from each other on the other surface of the gas collecting valve seat, and a communication channel is disposed between the first gas collecting chamber and the first pressure releasing chamber to connect the first gas collecting chamber and the first pressure releasing chamber, the first pressure relief cavity is provided with a gas collecting valve seat convex part, the center of the gas collecting valve seat convex part is provided with a pressure relief through hole, one end of the pressure relief through hole is the exhaust end of the gas conveyer, the other end of the pressure relief through hole is communicated with the first pressure relief cavity, the cavity plate is supported on the gas collecting valve seat, one side area of the cavity plate is the gas inlet end of the gas conveyer, one surface corresponding to the gas collecting valve seat is respectively provided with a second gas collecting cavity and a second pressure relief cavity, the second gas collecting cavity corresponds to the first gas collecting cavity, the second pressure relief cavity corresponds to the first pressure relief cavity, the second gas collecting cavity is provided with a cavity plate convex part, the cavity plate is concavely provided with a communicating cavity relative to the second gas collecting cavity and the other surface of the second pressure relief cavity, the micro pump is supported on the cavity plate so as to seal and cover the communicating cavity, the cavity plate is provided with a plurality of communicating holes which are respectively communicated between the communicating cavity and the second gas collecting cavity and between the communicating cavity and the second pressure relief cavity, the valve block is arranged between the gas collecting valve seat and the cavity plate so as to abut against the convex part of the gas collecting valve seat to seal the pressure relief through hole, and the position of the valve block abutting against the convex part of the cavity plate is provided with a valve hole which is sealed by abutting against the convex part of the cavity plate.

3. The adjustable pressure chest pad of claim 2 wherein said air collection actuator further comprises an air inlet valve switch and an air outlet valve switch, said air inlet valve switch and said air outlet valve switch being controlled by said control module to operate, said air inlet valve switch being in communication with said air inlet end of said air delivery device and when open causing said air delivery device to perform air collection operation for introducing external air into said air collection actuator, and said air outlet valve switch being in communication with said air outlet end of said air delivery device and when open causing said air delivery device to perform air discharge operation for discharging internal air from said air collection actuator.

4. The thoracic pad of claim 3 wherein the control module controls the opening of the inlet valve switch and the actuation of the micro pump to introduce gas from outside the gas collecting actuator into the communicating chamber, the gas from the communicating chamber through the plurality of communicating holes into the second gas collecting chamber and the second pressure releasing chamber, thereby pushing the valve plate away from the convex portion of the chamber plate, the gas being further introduced into the first gas collecting chamber through the valve hole of the valve plate and concentrated into the gas collecting groove through the gas collecting through hole, the gas simultaneously pushing the valve plate against the gas collecting valve seat convex portion to close the pressure releasing through hole, the gas in the second pressure releasing chamber being introduced into the second gas collecting chamber through the communicating channel and further introduced into the first gas collecting chamber through the valve hole of the valve plate and concentrated into the gas collecting groove through the gas collecting through hole, so that the air is filled in the air bag layer to complete an inflation operation.

5. The adjustable pressure breast pad as claimed in claim 3, wherein when the control module controls the opening of the release valve switch and the micro pump stops actuating to conduct gas, the gas pressure in the air bag layer is greater than the gas pressure in the communicating chamber, at this time, the gas in the air bag layer pushes the valve plate to abut against the convex portion of the chamber plate to close the valve hole, and pushes the valve plate to leave the convex portion of the gas collecting valve seat to open the pressure releasing through hole, at this time, the gas in the air bag layer is conducted out of the communicating flow channel to the pressure releasing through hole, and finally discharged out of the gas conveyer to complete a pressure releasing operation.

6. The adjustable air pressure thoracic pad of claim 3 wherein the micro pump includes:

the inflow plate is provided with at least one inflow hole, at least one bus groove and a confluence chamber, the at least one inflow hole is used for introducing gas, the at least one inflow hole is arranged corresponding to the position of the bus groove, and the at least one bus groove is communicated between the at least one inflow hole and the confluence chamber, so that the gas introduced by the at least one inflow hole is converged into the confluence chamber;

a resonance plate, which is arranged on the flow inlet plate and is provided with a hollow hole, a movable part and a fixed part, wherein the hollow hole is arranged at the center of the resonance plate and corresponds to the position of the confluence chamber of the flow inlet plate, the movable part is arranged around the hollow hole and is also positioned in the area opposite to the confluence chamber, and the fixed part is arranged at the outer peripheral part of the resonance plate and is fixedly attached to the flow inlet plate; and

a piezoelectric actuator arranged on the resonance sheet;

when the piezoelectric actuator is driven, the gas is led in from the at least one inflow hole of the inflow plate, is collected into the collecting chamber through the at least one collecting groove, then passes through the hollow hole of the resonance sheet, and generates resonance with the movable part of the resonance sheet by the piezoelectric actuator, so that the gas is output.

7. The adjustable pneumatic chest pad of claim 6, wherein said piezoelectric actuator comprises:

a suspension plate having a square shape and capable of bending and vibrating;

an outer frame surrounding the suspension plate;

at least one bracket connected between the suspension plate and the outer frame for providing elastic support for the suspension plate; and

the piezoelectric element is attached to one surface of the suspension plate and used for applying voltage to drive the suspension plate to vibrate in a bending mode.

8. The adjustable pressure breast pad of claim 7, wherein said suspension plate has a protrusion disposed on the opposite surface of the suspension plate from the surface attached to said piezoelectric element.

9. The adjustable pressure breast pad of claim 8 wherein said protrusion is integrally formed by an etching process and is a protrusion formed on the surface opposite to the surface attached to said piezoelectric element.

10. The adjustable air pressure chest pad of claim 6, wherein said micropump further comprises a first insulating plate, a conducting plate and a second insulating plate, wherein said flow inlet plate, said resonator plate, said piezoelectric actuator, said first insulating plate, said conducting plate and said second insulating plate are sequentially stacked.

11. The adjustable pneumatic chest pad of claim 6, wherein said piezoelectric actuator comprises:

a suspension plate having a square shape and capable of bending and vibrating;

an outer frame surrounding the suspension plate;

at least one bracket connected between the suspension plate and the outer frame for providing the suspension plate with elastic support, wherein a surface of the suspension plate and a surface of the outer frame form a non-coplanar structure, and the cavity space is formed between the surface of the suspension plate and the resonance plate; and

the piezoelectric element is attached to one surface of the suspension plate and used for applying voltage to drive the suspension plate to vibrate in a bending mode.

12. The adjustable air pressure chest pad of claim 6 wherein said micro-pump is a micro-electromechanical system micro-pump.

13. The adjustable pressure chest pad according to claim 6, wherein the micro pump of the gas delivery device is continuously operated to deliver gas to the gas channel, and then the gas is introduced into the air bag layer to inflate the air bag layer, the inflation amount in the air bag layer is monitored by the pressure detector, and the control module controls the operations of the air inlet valve switch and the air release valve switch, so that the gas in the air bag layer is preserved, when the pressure detector detects that the pressure in the air bag layer reaches a predetermined value, the micro pump stops operating, and the control module controls the operations of closing the air inlet valve switch and closing the air release valve switch.

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