CN212480225U - Pneumatic control's massage valve unit and ally oneself with pneumatic control unit more - Google Patents

Abstract

The application provides a pneumatic control massage control valve group and a multi-connected pneumatic control unit, which comprise a three-way air chamber, a two-way elastic sealing body and a memory alloy wire electric actuation control module; the three-way air chamber is provided with an air inlet, an air leakage opening and a pneumatic opening; the bidirectional elastic sealing body is arranged between the air inlet and the air outlet; the memory alloy wire electric actuation control module comprises a memory alloy wire and a circuit board; the memory alloy wire is electrically connected with the circuit board; the memory alloy wire is also connected with the bidirectional elastic sealing body; the memory alloy wire is shortened/extended by controlling the power-on/off of the memory alloy wire and the circuit board to drive the bidirectional elastic sealing body to open/close the air inlet. This application simple structure, weight is lighter, is convenient for maintain and change, and through the circular telegram/outage between control first electrode and the second electrode during the use, controls the shrink of memory alloy silk/extension to make the opening/closing of two-way elastic sealing body action control air inlet, aerify/lose heart correspondingly.

Description

Pneumatic control's massage valve unit and ally oneself with pneumatic control unit more

Technical Field

The application relates to the technical field of pneumatic control valve sets, in particular to a pneumatic control massage control valve set and a multi-connected pneumatic control unit.

Background

In recent years, with the progress of the technology of automobile seat comfort systems, automobile seats with massage functions are more and more accepted by the public. The existing automobile seat with the massage function mostly adopts an air circuit control mechanism to push and press human bodies of passengers on the seat for massage, the air circuit control mechanism mostly adopts an electromagnetic valve coil to realize air circuit control, and the air circuit control mechanism adopting the electromagnetic valve coil is complex in structure, heavy in weight and inconvenient to maintain and replace. Therefore, the present application provides a pneumatic control massage valve set and a multi-connected pneumatic control unit to solve the above problems.

Disclosure of Invention

The utility model aims at the above problem, provide a pneumatic control's massage control valves and ally oneself with pneumatic control unit.

In a first aspect, the application provides a pneumatically controlled massage control valve set, which comprises a three-way air chamber, a two-way elastic sealing body and a memory alloy wire electric actuation control module; the three-way air chamber is provided with an air inlet, an air leakage opening and a pneumatic opening; the bidirectional elastic sealing body is arranged between the air inlet and the air leakage port; the memory alloy wire electric actuation control module comprises a memory alloy wire and a circuit board; the memory alloy wire is electrically connected with the circuit board; the memory alloy wire is also connected with the bidirectional elastic sealing body; the memory alloy wire is shortened/extended by controlling the power-on/off of the memory alloy wire and the circuit board, so that the bidirectional elastic sealing body is pulled to open/close the air inlet.

According to the technical scheme provided by some embodiments of the present application, a first electrode 7 and a second electrode 8 are arranged on the circuit board 6; the first electrode 7 and the second electrode 8 are electrically connected with the memory alloy wire 5 respectively.

According to the technical solution provided by some embodiments of the present application, the memory alloy wire electric actuation control module further includes a controller housing; the circuit board is arranged inside the controller shell; the air leakage port is communicated with the inner part of the controller shell; the controller shell is provided with an exhaust hole.

According to some embodiments of the present disclosure, the bidirectional elastic sealing body is a plastic structure including at least one plastic material.

According to the technical scheme provided by some embodiments of the application, the bidirectional elastic sealing body is a composite structure body formed by combining a plastic structure body and an elastic body; the elastomer includes a metallic elastomer and/or a non-metallic elastomer.

According to the technical scheme provided by some embodiments of the application, the metal elastic body is conductive and forms positioning welding or riveting electrical connection with the circuit board; the metal elastic body comprises a metal spring and a metal elastic sheet.

According to the technical scheme provided by some embodiments of the application, one end of the bidirectional elastic sealing body, which is close to the air leakage opening, is provided with a hanging sliding groove; the memory alloy wire is clamped in the hanging sliding groove.

According to the technical scheme provided by some embodiments of the present application, the first electrode or the second electrode and the shell of the three-way air chamber are of an integral structure or a split structure.

According to the technical scheme provided by some embodiments of the application, an air path buffer channel is arranged in the air inlet and/or the pneumatic port; the gas path buffer channel is in a zigzag shape or a branched shape.

In a second aspect, the application provides a multi-connected pneumatic control unit, comprising at least two massage control valve sets as described in any one of the above.

Compared with the prior art, the beneficial effect of this application: the pneumatically-controlled massage control valve group is simple in structure, light in weight and convenient to maintain and replace, and controls the contraction/extension of the memory alloy wire by controlling the power-on/power-off between the first electrode and the second electrode during use, so that the opening/closing of the air inlet is controlled by the action of the bidirectional elastic sealing body, and the air inlet is correspondingly inflated/deflated.

Drawings

Fig. 1 is a schematic structural diagram illustrating an inflation state of a pneumatically controlled massage control valve set provided in embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of a pneumatic control massage valve set deflation state provided in embodiment 1 of the present application;

fig. 3 is a schematic structural diagram of a controller housing of a pneumatically controlled massage control valve set provided in embodiment 1 of the present application;

fig. 4 is a schematic structural view of an air path buffer channel of a pneumatically controlled massage control valve set provided in embodiment 1 of the present application;

fig. 5 is a schematic structural diagram of a pneumatically controlled massage control valve set provided in embodiment 2 of the present application;

fig. 6 is a schematic structural diagram of a pneumatically controlled massage control valve set provided in embodiment 3 of the present application;

fig. 7 is a schematic structural diagram of a pneumatically controlled massage control valve set provided in embodiment 4 of the present application;

fig. 8 is a schematic structural diagram of an inflation state of a multi-connected pneumatic control unit provided in embodiment 5 of the present application;

fig. 9 is a schematic structural diagram of a deflation state of a multi-connected pneumatic control unit provided in embodiment 5 of the present application;

fig. 10 is a schematic structural diagram of a multi-connected pneumatic control unit provided in embodiment 6 of the present application;

fig. 11 is a schematic structural diagram of a multi-connected pneumatic control unit provided in embodiment 7 of the present application.

The text labels in the figures are represented as:

1. a three-way air chamber; 2. an air inlet; 3. an air escape opening; 4. a pneumatic port; 5. memorizing alloy wires; 6. a circuit board; 7. a first electrode; 8. a second electrode; 9. a bidirectional elastic sealing body; 10. a main body skeleton; 11. an air inlet seal body; 12. a leak port seal body; 13. a conductive spring; 14. hanging a chute; 15. a controller housing; 16. an exhaust hole; 17. a metal head; 18. the gas circuit buffers the channel.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Example 1

Referring to fig. 1 and 2, the present embodiment provides a pneumatic control massage control valve set, which includes a three-way air chamber 1, a two-way elastic sealing body 9, and a memory alloy wire electric actuation control module; the three-way air chamber 1 is provided with an air inlet 2, an air leakage port 3 and a pneumatic port 4; the gas inlet 2 is connected with a gas source body and is used for receiving gas supply from the gas source body; the pneumatic port 4 is connected with a massage air bag body (not shown) through a pipeline, and the massage air bag body is arranged in the seat surface of the vehicle seat; the bidirectional elastic sealing body 9 is an elastic body component serving as an elastic interlocking blocking element of the air inlet 2 and the air leakage opening 3 and is arranged between the air inlet 2 and the air leakage opening 3, the air inlet 2 and the air leakage opening 3 are controlled by the bidirectional elastic sealing body 9 to form a reciprocal opening/closing relationship, namely when the air inlet 2 is opened, the air leakage opening 3 is closed, and when the air inlet 2 is closed, the air leakage opening 3 is opened; the memory alloy wire electric actuation control module comprises a memory alloy wire 5 and a circuit board 6; the memory alloy wire 5 is electrically connected with the circuit board 6; the memory alloy wire 5 is also connected with the bidirectional elastic sealing body 9; the memory alloy wire 5 is shortened/extended by controlling the power on/off of the memory alloy wire 5 and the circuit board 6, so that the bidirectional elastic sealing body 9 is pulled to open/close the air inlet 2. In this embodiment, the circuit board 6 is provided with a first electrode 7 and a second electrode 8; the first electrode 7 and the second electrode 8 are respectively and electrically connected with two ends of the memory alloy wire 5; the bidirectional elastic sealing body 9 is controlled to open/close the air inlet 2 by controlling the power on/off between the first electrode 7 and the second electrode 8. The circuit board may be a structure having a circuit connection function, for example, a terminal, one end of which is communicated with the memory alloy wire, and the other end of which is used for connecting with an external circuit or a controller.

Further, the bidirectional elastic sealing body 9 is a composite structure body formed by combining a plastic structure body and an elastic body; the elastomer comprises a metal elastomer and/or a non-metal elastomer; the metal elastic body is conductive and forms positioning welding or riveting electrical connection with the circuit board 6; the metal elastic body can be a metal spring, a metal elastic sheet and the like; the non-metal elastomer can be elastic rubber, elastic sponge, elastic felt pad and the like. In the present embodiment, the bidirectional elastic sealing body 9 includes a main body skeleton 10; an air inlet sealing body 11 capable of sealing the air inlet 2 and an air outlet sealing body 12 capable of sealing the air outlet 3 are arranged on the main body framework 10; and a conductive spring 13 is also connected between the main body framework 10 and the inner wall of the three-way air chamber 1 close to the air leakage opening 3.

Furthermore, one end of the bidirectional elastic sealing body 9 extends out of the three-way air chamber 1 through the air leakage port 3, a hanging sliding groove 14 is formed in the bidirectional elastic sealing body, the hanging sliding groove 14 can be a metal or nonmetal linear accommodating sliding groove, and the middle part of the memory alloy wire 5 is clamped in the hanging sliding groove 14 and forms a linkage relation with the bidirectional elastic sealing body 9.

When the first electrode 7 and the second electrode 8 are in a power-off state, the memory alloy wire 5 is in an extended state, and when the memory alloy wire 5 is in a power-on state, the memory alloy wire 5 is heated to transform martensite into austenite due to self-impedance, and the memory alloy wire 5 is changed into a contracted state. When the memory alloy wire 5 is in an extended state, namely a relaxed state, the bidirectional elastic sealing body 9 cannot be pulled, one surface of the air inlet sealing body 11 of the bidirectional elastic sealing body 9, which is close to the air inlet 2, is extruded with the air inlet 2 to form a blocking closed state, at the moment, one surface of the air leakage opening sealing body 12, which is close to the air leakage opening 3, is separated from the air leakage opening 3 to form an open state, and gas enters the three-way air chamber 1 through the pneumatic opening 4 and is discharged through the air leakage opening 3, as shown in fig. 2; when memory alloy silk 5 is in the contraction state, will stimulate two-way elasticity seal 9 is to being close to one side of disappointing mouth 3 removes, two-way elasticity seal 9 lose heart sealing 12 be close to lose heart 3 one side with lose heart 3 extrusion forms the jam closed condition, and air inlet sealing 11 is close to this moment the one side of air inlet 2 with air inlet 2 breaks away from, forms the state of opening, and gaseous warp air inlet 2 gets into in the tee bend air chamber 1 and warp pneumatic mouth 4 arranges extremely massage gasbag is internal, as shown in fig. 1.

Further, referring to fig. 3, the memory alloy wire electric actuation control module further includes a controller housing 15; the circuit board 6 is arranged inside the controller shell 15; the air leakage port 3 is communicated with the inside of the controller shell 15; the controller casing 15 is provided with an exhaust hole 16, the airflow discharged from the air release port 3 enters the controller casing 15 and is exhausted to the atmosphere through the exhaust hole 16, and the controller casing 15 and the exhaust hole 16 are arranged to help the memory alloy wire 5 to be heated by electricity and exhausted to the atmosphere. It should be noted that the controller housing 15 may be the same structure as the housing of the three-way air chamber 1, or may be an independent housing structure that contains the housing of the three-way air chamber 1. In addition, the controller housing 15 may be an integral structure, or may be formed by assembling a plurality of sub-housings, each sub-housing is not provided with a hole, and adjacent sub-housings are assembled to form a gap, and the gap has the same function as the exhaust hole and is used for exhausting air.

Further, the first electrode 7 or the second electrode 8 and the shell of the three-way air chamber 1 are of an integral structure or a split structure. In this embodiment, the first electrode 7 and the outer shell of the three-way gas chamber 1 are in a split structure, and the second electrode 8 and the outer shell of the three-way gas chamber 1 are also in a split structure;

further, referring to fig. 4, an air path buffer channel 18 is disposed in the air inlet 2 and/or the pneumatic port 4. In this embodiment, all be equipped with gas circuit buffer channel 18 in air inlet 2 with pneumatic mouth 4, just gas circuit buffer channel 18 is the form of circling back, has formed the form gas circuit of circling back, and in other embodiments of this application, gas circuit buffer channel 18 also can set up to be branch form, forms branch form gas circuit promptly. The air passage buffer channel 18 is arranged to reduce the air flow rate, which is beneficial to reducing the air flow noise.

Example 2

Referring to fig. 5, the present embodiment provides another pneumatic control massage valve set, and the same parts of the present embodiment as those of embodiment 1 are not repeated, except that: in the embodiment 1, the bidirectional elastic sealing body 9 is a composite structure, while the bidirectional elastic sealing body 9 in this embodiment is an integrated structure which is a single plastic structure with a self-resetting function, it should be noted that in other embodiments of the present application, the bidirectional elastic sealing body 9 may also be a structure of two or more soft and hard plastic materials. In the embodiment, the end of the memory alloy wire extends out of the cavity of the three-way air chamber 1.

When the memory alloy wire 5 is in an extended state, namely a relaxed state, the bidirectional elastic sealing body 9 cannot be pulled, one surface of the bidirectional elastic sealing body 9, which is close to the air inlet 2, is extruded with the air inlet 2 to form a blocking closed state, at the moment, one surface of the bidirectional elastic sealing body 9, which is close to the air leakage opening 3, is separated from the air leakage opening 3 to form an opening state, and gas enters the three-way air chamber 1 through the pneumatic opening 4 and is discharged through the air leakage opening 3; when memory alloy silk 5 is in the contraction state, will stimulate two-way elastic seal 9 is to being close to one side of disappointing mouthful 3 removes, two-way elastic seal 9 is close to disappointing mouthful 3 one side with disappointing mouthful 3 extrusion forms the jam closed condition, at this moment two-way elastic seal 9 is close to be close to air inlet 2 one side with air inlet 2 breaks away from, forms the open mode, and gas warp air inlet 2 gets into in the tee bend air chamber 1 and warp pneumatic mouthful 4 arrange extremely the massage gasbag is internal.

Example 3

Referring to fig. 6, the present embodiment provides another pneumatic control massage valve set, and the same parts of the present embodiment as those of embodiment 1 are not repeated, except that: in this embodiment, the first electrode 7 and the outer shell of the three-way air chamber 1 are of an integral structure; the bidirectional elastic sealing body 9 comprises a metal head 17; the metal head 17 is connected with the first electrode 7 through a conductive spring 13; one end of the memory alloy wire 5 is directly electrically connected with the second electrode 8, and the other end is electrically connected with the first electrode 7 through the metal head 17 and the conductive spring 13. In this embodiment, a gap is left between the outer wall of the metal head 17 and the inner wall of the three-way air chamber 1; in other embodiments of this application, the outer wall of metal head 17 also can laminate on the inner wall of three-way air chamber 1 distribute on the outer wall of metal head 17 and set up the recess, be used for making pneumatic mouth 4 with 3 gas circuit UNICOM of disappointing mouth.

In other embodiments of the present application, the second electrode 8 and the housing of the three-way gas chamber 1 may be an integral structure. In this embodiment, one end of the memory alloy wire 5 extends out of the cavity of the three-way air chamber 1, and the other end is located inside the cavity of the three-way air chamber 1. In other embodiments of the present application, the memory alloy wire 5 is completely located outside the cavity of the three-way air chamber 1, please refer to fig. 1 to 5.

Example 4

Referring to fig. 7, the present embodiment provides another pneumatic control massage valve set, and the same parts of the present embodiment as those of embodiment 1 are not repeated, except that: one end of the memory alloy wire 5 is directly and electrically connected with the first electrode 7, and the other end of the memory alloy wire is fixedly connected with the tail end of the bidirectional elastic sealing body 9, namely one end close to the air leakage opening 3; the second electrode 8 is connected with the shell of the three-way air chamber 1; the main framework 10 of the bidirectional elastic sealing body 9 is conductive; the first electrode 7, the memory alloy wire 5, the main body framework 10 of the bidirectional elastic sealing body 9, the conductive spring 13, the shell of the three-way air chamber 1 and the second electrode 8 form a conductive loop, and the bidirectional elastic sealing body 9 is controlled to act to open/close the air inlet 2 by controlling the power on/off between the first electrode 7 and the second electrode 8, so that corresponding inflation/deflation is realized.

Example 5

Referring to fig. 8 and 9, the present embodiment provides a multi-connected pneumatic control unit, which includes two massage control valve sets; the shells of the two massage control valve groups can be assembled in the modes of ultrasonic welding, bonding, screw locking, clamping and the like. The two massage control valve groups share the air inlet 2, and the shared air inlet 2 is arranged at one side close to one of the massage control valve groups.

Example 6

Referring to fig. 10, the present embodiment provides another multi-connected pneumatic control unit, and the same parts of the present embodiment and embodiment 5 are not repeated herein, but the main difference is that the air inlet 2 shared by the two massage control valve sets is disposed at the middle position. It should be noted that the memory alloy wires of different massage control valve sets can be respectively connected to the corresponding first electrode and second electrode; the first electrode or the second electrode may be shared by the respective negative electrodes.

Example 7

Referring to fig. 11, another multi-connected pneumatic control unit is provided in the present embodiment, which includes a plurality of massage valve sets, in the present embodiment, eight massage valve sets are provided, and the eight massage valve sets share the air inlet 2. In other embodiments of the present application, the multi-connected pneumatic control unit may also be configured to include any plurality of massage valve banks other than eight according to actual needs, and meanwhile, the plurality of massage valve banks may partially share the air inlet, that is, include more than one air inlet. It should be noted that the massage control valve set can also be combined with at least one valve with a pressure maintaining function to form a massage waist support control valve set.

In addition, the circuit board 6 may or may not be shared by a plurality of massage control valve sets, and fig. 11 shows the case of sharing the circuit board 6.

Example 8

The embodiment provides a seat pneumatic control assembly, including above-mentioned pneumatic control unit that ally oneself with, air supply, pneumatic cavity (gasbag body, cylinder etc.), trachea and supplementary electric control circuit etc. that ally oneself with. Wherein, the pneumatic port is communicated with an external massage air bag body (arranged in the seat surface of the vehicle seat) through a pipeline.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims (10)

1. A pneumatically controlled massage control valve group is characterized by comprising a three-way air chamber (1), a two-way elastic sealing body (9) and a memory alloy wire electric actuation control module; the three-way air chamber (1) is provided with an air inlet (2), an air leakage opening (3) and a pneumatic opening (4); the bidirectional elastic sealing body (9) is arranged between the air inlet (2) and the air leakage opening (3);

the memory alloy wire electric actuation control module comprises a memory alloy wire (5) and a circuit board (6); the memory alloy wire (5) is electrically connected with the circuit board (6); the memory alloy wire (5) is also connected with the bidirectional elastic sealing body (9); the memory alloy wire (5) is shortened/extended by controlling the power on/off of the memory alloy wire (5) and the circuit board (6), so that the bidirectional elastic sealing body (9) is pulled to open/close the air inlet (2).

2. Pneumatically controlled set of massage control valves according to claim 1, characterized in that said circuit board (6) is provided with a first electrode (7) and a second electrode (8); the first electrode (7) and the second electrode (8) are respectively and electrically connected with the memory alloy wire (5).

3. The pneumatically controlled massage control valve pack of claim 1, wherein the memory alloy wire electrical actuation control module further comprises a controller housing (15); the circuit board (6) is arranged inside the controller shell (15); the air leakage opening (3) is communicated with the inside of the controller shell (15); an exhaust hole (16) is formed in the controller shell (15).

4. Pneumatically controlled valve group according to claim 1, characterized in that said bi-directional elastic sealing body (9) is a plastic structure comprising at least one plastic material.

5. The pneumatically controlled massage control valve pack according to claim 1, wherein the bi-directional elastic sealing body (9) is a composite structure of a plastic structure and an elastomer; the elastomer includes a metallic elastomer and/or a non-metallic elastomer.

6. Pneumatically controlled valve group according to claim 5, characterized in that said metal elastomer is electrically conductive and forms a welded or riveted electrical connection with said circuit board (6); the metal elastic body comprises a metal spring and a metal elastic sheet.

7. The pneumatically controlled massage control valve pack according to claim 1, wherein a hanging chute (14) is provided at one end of the bidirectional elastic sealing body (9) close to the air release opening (3); the memory alloy wire (5) is clamped in the hanging sliding groove (14).

8. Pneumatically controlled set of massage control valves according to claim 2, characterized in that said first electrode (7) or said second electrode (8) is of integral or separate structure with the housing of said three-way air chamber (1).

9. A pneumatically controlled set of massage control valves according to claim 1, characterized in that an air passage buffer channel (18) is provided in the air inlet (2) and/or in the pneumatic port (4); the gas path buffer channel (18) is in a shape of a loop or a branch.

10. A multi-gang pneumatic control unit comprising at least two massage control valve groups as claimed in any one of claims 1 to 9.

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