CN222859289U

CN222859289U - Pneumatic structure for reducing temperature of pneumatic controller and combined pneumatic structure

Info

Publication number: CN222859289U
Application number: CN202420626064.1U
Authority: CN
Inventors: 屠光威; 张海涛
Original assignee: AEW Technology Group Co Ltd
Current assignee: AEW Technology Group Co Ltd
Priority date: 2024-03-28
Filing date: 2024-03-28
Publication date: 2025-05-13
Anticipated expiration: 2034-03-28

Abstract

The application provides a pneumatic structure and a combined pneumatic structure for reducing the temperature of a pneumatic controller, wherein the pneumatic structure comprises the pneumatic controller, the pneumatic controller comprises a shell, a first space is arranged in the shell, at least one air inlet and at least one air outlet port which are communicated with the first space are arranged on the shell, the first space is provided with a plurality of valve bodies, each valve body comprises an air inlet, an air supply port and an air discharge port, an air bag body is communicated with the air supply port, the air source assembly comprises a first port used for air outlet and a second port used for air inlet, the first port is communicated with the air inlet of the valve body, and the second port is communicated with the first space through the air outlet port. The pneumatic structure provided by the application utilizes the air source component to cool the controller on the basis of not affecting the original function, and has the advantages of simple structure and low improvement cost.

Description

Pneumatic structure for reducing temperature of pneumatic controller and combined pneumatic structure

Technical Field

The present disclosure relates generally to the field of automotive technology, and in particular, to a pneumatic structure for reducing the temperature of a pneumatic controller and a combined pneumatic structure.

Background

With the development of automobile technology, the supporting and massaging functions of the automobile seat are more and more abundant, and the supporting and massaging of the seat are mainly realized by controlling an internal electromagnetic valve through a controller so as to charge and discharge the air bag.

In the working process of the controller, the internal solenoid valve coil can inevitably generate temperature rise, failure is caused when the temperature rise is serious, and the failure rate of the controller can be increased due to the excessively high temperature rise. Since most controllers in the market cannot meet the heat dissipation requirements of high-performance controllers with higher temperature rise, the problem needs to be solved.

Disclosure of Invention

In view of the above-described drawbacks or deficiencies of the prior art, it is desirable to provide an.

A first aspect of the present application provides a pneumatic structure for reducing the temperature of a pneumatic controller, comprising:

The pneumatic controller comprises a shell, wherein a first space is arranged in the shell, and at least one air inlet and at least one air outlet which are communicated with the first space are arranged on the shell;

an air bag body communicated with the air supply port;

The air source assembly comprises a first port for air outlet and a second port for air inlet, the first port is communicated with the air inlet of the valve body, and the second port is communicated with the first space through the air outlet port.

According to the technical scheme provided by the embodiment of the application, the shell is provided with the air guide passage and at least one air guide interface which are communicated with each other in an air way, the air guide interface is connected with the first port through the first pipe assembly, all air inlets of the valve body are connected with the air guide passage, and the air outlet port is connected with the second port through the second pipe assembly.

According to the technical scheme provided by the embodiment of the application, the first space is internally provided with the air leakage passages, all the air leakage openings of the valve body are connected with the air leakage passages, the air leakage passages are communicated to the outside of the controller, and the air discharged from the air leakage openings is discharged out of the shell.

According to the technical scheme provided by the embodiment of the application, the first pipe assembly and the second pipe assembly are flexible, and the inner diameter of the second pipe assembly is more than 1.3 times of that of the first pipe assembly.

According to the technical scheme provided by the embodiment of the application, the air inlet holes are arranged at positions far away from the air outlet ports, so that air passes through each valve body when flowing between the air inlet holes and the air outlet ports.

According to the technical scheme provided by the embodiment of the application, the first space is provided with the air release cavity communicated with the air release passage, the air release cavity is provided with the air release hole, the air release passage is communicated with the ambient atmosphere through the air release hole, and the air release cavity is filled with the silencing filter material.

According to the technical scheme provided by the embodiment of the application, the first space is provided with the air collecting piece, the air leakage passage is arranged on the air collecting piece, and the air collecting piece is used for sealing connection between the air leakage passage and the air leakage ports of the valve bodies and between the air leakage passage and the air leakage cavity.

According to the technical scheme provided by the embodiment of the application, the side wall of the shell is provided with a plurality of air inlet structures communicated with the first space, and the air inlet structures are arranged at the periphery of the air supply opening.

According to the technical scheme provided by the embodiment of the application, the valve body is a two-position three-way valve body, or a combination of the two-position three-way valve body and a two-position two-way valve body or a combination of the two-position three-way valve and a one-way valve.

A second aspect of the application provides a combined aerodynamic structure comprising at least two aerodynamic structures as described above in series for reducing the temperature of an aerodynamic controller, wherein a second port in a first of said aerodynamic structures communicates with said air outlet port in a second of said aerodynamic structures, said first port in the second of said aerodynamic structures communicating with said air guide interface in the first of said aerodynamic structures.

Compared with the prior art, the pneumatic controller has the beneficial effects that the pneumatic controller comprises the shell, a first space is arranged in the shell, the shell is provided with the air inlet communicated with the first space, the first space is internally provided with the air guide passage, the air release passage and the plurality of valve bodies, the first port of the air source assembly is communicated with the air inlet of the valve bodies, and the second port of the air source assembly is communicated with the first space, so that when the air source assembly works, the air bag body communicated with the air supply port of each valve body can be inflated, and simultaneously, the air outside enters the first space through the air inlet and flows to the second port, so that the temperature of the controller is effectively reduced by utilizing the circulation of the air in the first space.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a pneumatic structure for reducing the temperature of a pneumatic controller provided in embodiment 1;

FIG. 2 is a schematic cross-sectional view of a pneumatic controller;

FIG. 3 is a schematic side view of a pneumatic controller;

FIG. 4 is a schematic diagram of a cross-sectional side view of the pneumatic controller A-A shown in FIG. 3;

FIG. 5 is a schematic diagram of the operation of the gas flow direction inside the pneumatic structure;

FIG. 6 is a cross-sectional view of the pneumatic structure of FIG. 5 with a housing;

fig. 7 is a schematic view of a combined pneumatic structure provided in embodiment 2.

Reference numerals 100, a pneumatic controller, 101, a housing, 102, an air inlet hole, 103, an air guide passage, 104, an air release passage, 105, a valve body, 106, an air supply port, 107, an air guide port, 108, an air outlet port, 109, a first pipe assembly, 110, a second pipe assembly, 111, an air release cavity, 112, an air release hole, 113, a silencing filter material, 114, an air collecting piece, 115, an air inlet structure, 116, a circuit board, 117, a mounting support leg, 118, an air inlet, 119, an air release port, 120, a sealing steel ball, 200, an air source assembly, 201, a first port, 202, a second port, 300 and an air bag body.

Detailed Description

The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-6, the present embodiment provides a pneumatic structure for reducing the temperature of a pneumatic controller, including:

The pneumatic controller 100 comprises a shell 101, wherein a first space is formed in the shell 101, and at least one air inlet hole 102 and an air outlet port 108 which are communicated with the first space are formed in the shell 101;

an air bag body 300, the air bag body 300 being in communication with the air supply port 106;

A gas source assembly 200, wherein the gas source assembly 200 comprises a first port 201 for discharging gas and a second port 202 for charging gas, the first port 201 is communicated with the gas inlet 118 of the valve body 105, and the second port 202 is communicated with the first space through the gas outlet port 108.

Specifically, the housing 101 is of a rectangular parallelepiped structure, the interior of the housing 101 is hollow to form the first space, the bottom surface of the housing 101 is provided with mounting legs 117, the mounting legs 117 are used for connecting the controller 100 with a car seat, the top surface of the housing 101 is provided with a plurality of air inlets 102, the air inlets 102 penetrate through the top surface of the housing 101 and are communicated into the first space, the valve body 105 is arranged in a longitudinal direction of the housing 101, the valve body 105 at least comprises an air inlet 118, an air supply port 106 and an air discharge port 119, the air inlet 118 and the air discharge port 119 are both arranged in the housing 101, the air supply port 106 extends out of the housing 101, the valve body 105 is driven by an electromagnetic valve or is driven by a memory alloy, the number of the air bag bodies 300 at least comprises one, one air bag body 300 is correspondingly connected with one valve body 105, and the air bag body 300 is an air bag for playing a massage role or a supporting role. The air source assembly 200 comprises an air pump and a shell sleeved outside the air pump, and the first port 201 and the second port 202 can be arranged in one or more than one.

Specifically, the casing 101 is provided with a circuit board 116, the circuit board 116 is electrically connected with the valve bodies, the circuit board 116 is used for being connected with the whole vehicle ECU, and the circuit board 116 is used for controlling the state of each valve body 105 by receiving an instruction sent by the whole vehicle ECU.

Further, the valve body 105 is a two-position three-way valve body, or a combination of a two-position three-way valve body and a two-position two-way valve body, or a combination of a two-position three-way valve and a one-way valve.

When the valve body 105 is a two-position three-way valve, the pneumatic controller 100 provided by the embodiment can realize the functions of inflating and deflating the air bag body 300 and is mainly used for the massage function of the automobile seat, and when the valve body 105 is a combination of a two-position three-way valve body and a two-position two-way valve body or a combination of a two-position three-way valve body and a one-way valve, the pneumatic controller provided by the embodiment can realize the functions of inflating, deflating and pressure maintaining the air bag body 300 and is mainly used for the support functions of the automobile seat, such as lumbar support, flank support, leg support and the like.

Further, the housing 101 is provided with an air guide passage 103 and at least one air guide interface 107 which are in air path communication with each other, the air guide interface 107 is connected with the first port 201 through a first pipe assembly 109, all air inlets 118 of the valve body 105 are connected with the air guide passage 103, and the air outlet port 108 is connected with the second port 202 through a second pipe assembly 110.

Specifically, the air guide interface 107 is disposed on the side wall of the housing 101, the air guide interface 107 is an optional switch valve, the air guide interface 107 is connected to one end of the air guide pipeline 103, the air guide interface 107 is communicated with the first port 201 of the air source assembly 200 through the first pipe assembly 109, and a sealing steel ball 120 is disposed in the air guide pipeline 103 to prevent air from flowing along the air guide pipeline 103 to the outside of the air controller 100. When the air source assembly 200 is powered on, the air emitted from the first port 201 sequentially passes through the first tube assembly 109, the air guide interface 107, the air guide passage 103, the air inlet 118 and the air supply port 106 of the valve body 105, and then enters the air bag body 300, so as to inflate the air bag body 300, and the air guide passage 103 is arranged so as to inflate a plurality of air bag bodies 300 at the same time.

Specifically, the air source assembly 200 is exhausted from the first port 201 and is also exhausted through the second port 202, and the second port 202 is communicated with the first space through the second pipe assembly 110, so that the air in the first space is sucked into the air source assembly when the air source assembly 200 works, and the air inlet hole 102 is required to be continuously filled with air in the first space.

Further, the air inlet 102 is disposed at a position far away from the air outlet 108, when the air source assembly 200 is powered on, the air entering the first space from the air inlet 102 passes through the plurality of valve bodies 105 before reaching the air outlet 108, so that the cooling effect on each valve body 105 can be ensured.

Further, the first tube assembly 109 and the second tube assembly 110 each have flexibility, and the second tube assembly 110 has an inner diameter that is more than 1.3 times the inner diameter of the first tube assembly 109.

Specifically, the first pipe assembly 109 and the second pipe assembly 110 may be selected as sealing air pipes, where the first pipe assembly 109 is sealed with the first port 201 and the air guide port 107, and the second pipe assembly 110 is sealed with the second port 202 and the air outlet port 108. Since the air source assembly 200 pressurizes the primary air entering through the second port 202 to form secondary air, which is low-pressure air, and then the secondary air is high-pressure air, the air source assembly 200 is ensured to balance air outlet and air suction by setting the inner diameter of the second pipe 110 to be more than 1.3 times that of the first pipe 109.

Further, a gas release passage 104 is further provided in the first space, and gas release ports 119 of all the valve bodies 105 are connected to the gas release passage 104, and the gas release passage 104 is communicated to the outside of the controller 100, so that the gas discharged from the gas release ports 119 is discharged to the outside of the housing 101.

Specifically, the valve body 105 is actually used for controlling whether the gas in the air bag body 300 is on-off with the gas source device 200, and whether the gas in the air bag body 300 is on-off with the ambient atmosphere, which finally represents that the air bag body 300 is inflated, the air bag body 300 is deflated, or the air bag body 300 is pressure-maintaining.

Further, the first space is provided with a venting cavity 111 communicated with the venting passage 104, the venting cavity 111 is provided with a venting hole 112, the venting passage 104 is communicated with the ambient atmosphere through the venting hole 112, and the venting cavity 111 is filled with a silencing filter material 113.

The gas in the air release passage 104 needs to pass through the air release cavity 111 before entering the ambient atmosphere, and noise generated by the gas in the air release process is reduced by arranging the air release cavity 111 and filling the silencing filter material 113 in the air release cavity 111.

Further, the first space is provided with a gas collecting member 114, the gas release passage 104 is arranged on the gas collecting member 114, and the gas collecting member 114 is used for sealing the gas release passage 104 with the gas release ports 119 of the valve bodies 105 and sealing the gas release passages 104 with the gas release cavities 111.

By providing the gas collecting member 114, the tightness between the gas release passages 104 and the gas release ports 119 of the respective valve bodies 105 and between the gas release passages 104 and the gas release chamber 111 is improved, and the problem of noise increase caused by that the gas in the gas release process is discharged to the ambient atmosphere without passing through the noise reduction filter material 113 is avoided. Optionally, the noise-reducing filter material 113 is noise-reducing sponge or noise-reducing rubber.

Further, the side wall of the housing 101 is provided with a plurality of air inlet structures 115 communicating with the first space, and the air inlet structures 115 are disposed at the periphery of the air supply port 106.

Specifically, the air inlet structure 115 is a slit of the housing 101 or a hole additionally formed in a side wall of the housing 101, and the air inlet structure 115 is communicated to the first space, so that when the air source assembly 200 works, air can be introduced through the air inlet hole 102 and the air inlet structure 115, and the purpose of cooling the switch valve 105 is further improved.

Example 2

On the basis of embodiment 1, this embodiment provides a combined aerodynamic structure comprising at least two aerodynamic structures for reducing the temperature of an aerodynamic controller as described in embodiment 1 connected in series, wherein the second port 202 in a first one of said aerodynamic structures is in communication with the air outlet port 108 in a second one of said aerodynamic structures, the first port 201 in the second one of said aerodynamic structures is in communication with the air guiding interface 107 in the first one of said aerodynamic structures.

Specifically, to improve efficiency, a plurality of pneumatic controllers 100 and a plurality of air source assemblies 200 may be alternately connected in series, so as to control more cavities 300 to be inflated and deflated, and in this embodiment, the combined pneumatic structure includes two pneumatic structures as described in embodiment 1, as shown in fig. 7.

The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.

Claims

1. A pneumatic structure for reducing the temperature of a pneumatic controller, comprising:

The pneumatic controller (100), the pneumatic controller (100) comprises a shell (101), a first space is arranged in the shell (101), at least one air inlet hole (102) and an air outlet port (108) which are communicated with the first space are arranged on the shell (101), a plurality of valve bodies (105) are arranged in the first space, and each valve body comprises an air inlet (118), an air supply port (106) and an air discharge port (119);

An air bag body (300), the air bag body (300) being in communication with the air supply port (106);

The air source assembly (200), the air source assembly (200) comprises a first port (201) used for air outlet and a second port (202) used for air inlet, the first port (201) is communicated with an air inlet (118) of the valve body (105), and the second port (202) is communicated with the first space through the air outlet port (108).

2. The pneumatic structure for reducing temperature of a pneumatic controller according to claim 1, wherein an air guide passage (103) and at least one air guide interface (107) which are in air path communication with each other are arranged on the housing (101), the air guide interface (107) is connected with the first port (201) through a first pipe assembly (109), all air inlets (118) of the valve body (105) are connected with the air guide passage (103), and the air outlet port (108) is connected with the second port (202) through a second pipe assembly (110).

3. A pneumatic structure for reducing temperature of a pneumatic controller according to claim 2, wherein a venting passage (104) is further provided in the first space, all venting ports (119) of the valve body (105) are connected to the venting passage (104), the venting passage (104) is communicated to the outside of the controller (100), and the gas exhausted from the venting ports (119) is exhausted to the outside of the housing (101).

4. A pneumatic structure for reducing the temperature of a pneumatic controller as claimed in claim 3, wherein the first tube assembly (109) and the second tube assembly (110) are flexible, the second tube assembly (110) having an inner diameter that is more than 1.3 times the inner diameter of the first tube assembly (109).

5. The pneumatic structure for reducing the temperature of a pneumatic controller of claim 4, wherein the inlet holes (102) are disposed at a position remote from the outlet port (108) such that gas passes through each valve body (105) while flowing between the inlet holes (102) and the outlet port (108).

6. The pneumatic structure for reducing temperature of a pneumatic controller according to claim 5, wherein the first space is provided with a venting cavity (111) communicated with the venting passage (104), the venting cavity (111) is provided with a venting hole (112), the venting passage (104) is communicated with the ambient atmosphere through the venting hole (112), and a silencing filter material (113) is filled in the venting cavity (111).

7. The pneumatic structure for reducing temperature of a pneumatic controller according to claim 6, wherein the first space is provided with a gas collecting member (114), the gas release passage (104) is provided on the gas collecting member (114), the gas collecting member (114) is used for sealing the gas release passage (104) with the gas release ports (119) of the respective valve bodies (105) and sealing the gas release passage (104) with the gas release cavity (111).

8. A pneumatic structure for reducing temperature of a pneumatic controller as set forth in any one of claims 1-7 wherein the side wall of the housing (101) is provided with a plurality of air inlet structures (115) communicating with the first space, the air inlet structures (115) being provided at the periphery of the air supply port (106).

9. A pneumatic structure for reducing the temperature of a pneumatic controller as claimed in any one of claims 1-7, wherein the valve body (105) is a two-position three-way valve body, or a combination of a two-position three-way valve body and a two-position two-way valve body, or a combination of a two-position three-way valve and a one-way valve.

10. A combined aerodynamic structure, characterized in that it comprises at least two aerodynamic structures connected in series for reducing the temperature of an aerodynamic controller according to any of claims 2-9, wherein a second port (202) in a first of said aerodynamic structures communicates with said air outlet port (108) in a second of said aerodynamic structures, said first port (201) in a second of said aerodynamic structures communicating with said air guiding interface (107) in the first of said aerodynamic structures.