WO2024060921A1

WO2024060921A1 - Pump and valve integration system having integrated air channel, and working principle thereof

Info

Publication number: WO2024060921A1
Application number: PCT/CN2023/114489
Authority: WO
Inventors: 所思路
Original assignee: 江苏恩迪汽车系统股份有限公司
Priority date: 2022-09-21
Filing date: 2023-08-23
Publication date: 2024-03-28
Also published as: CN115585304A

Abstract

The present invention belongs to the technical field of pumps and valves, and specifically relates to a pump and valve integration system having an integrated air channel, and a working principle thereof. The system comprises an electromagnet placement member, which comprises at least one chamber and an electromagnet assembly arranged inside the chamber, wherein a gap of at least 1/12 the width of the electromagnet assembly is reserved between the electromagnet assembly and each side wall of the chamber; two sides of the chamber are respectively provided with a flow guide hole and an air discharge hole, the diameters of which are both greater than the width of the gap; and the electromagnet assembly comprises a coil, a movable iron core in the coil, and rubber gaskets on two sides of the movable iron core. In the pump and valve integration system having an integrated air channel, and the working principle thereof, the diameters of the flow guide hole and the air discharge hole are increased, and the gap between the electromagnet assembly and each side wall of the chamber is widened, thereby achieving the effect of reducing the loss of flow in an air pump that has small overall dimensions and the same power while increasing the air flow rate.

Description

Integrated airway pump and valve system and its working principle

This application claims priority to the Chinese patent application submitted to the China Patent Office on September 21, 2022, with the application number 202211152591.5 and the application title "Integrated Airway Pump and Valve Integrated System and Its Working Principle", the entire content of which is incorporated by reference. in this application.

Technical field

The invention belongs to the technical field of pump valves, and specifically relates to an integrated airway pump and valve integrated system and its working principle.

Background technique

Conventional pump-valve integration usually consists of a separate air pump and a solenoid valve connected and fixed, and faces the following technical problems:

1. After the air pump is connected to the solenoid valve, the flow loss of the air pump is high, which means the performance of the product is lost, resulting in a long inflation time of the product during use.

2. After the air pump and solenoid valve are connected, it is difficult to install and fix the outer cover of the air pump. When the solenoid valve and PCBA assembly are installed on the air outlet, it is difficult to clamp the outer cover and the air pump.

Therefore, in order to solve the above problems, it is necessary to provide an integrated airway pump and valve system and its working principle.

Summary of the invention

The purpose of the present invention is to provide an integrated airway pump and valve system and its working principle to solve the technical problem of high flow loss of the air pump.

In order to solve the above technical problems, the present invention provides an integrated airway pump and valve system, which includes:

The electromagnet placement part comprises: at least one chamber and an electromagnet assembly arranged inside the chamber; wherein

There is a gap of at least 1/12 of the width of the electromagnet assembly between the electromagnet assembly and the side wall of the chamber;

There are guide holes and exhaust holes on both sides of the chamber, and the diameters are larger than the gap width;

The electromagnet assembly includes: a coil, a moving iron core inside the coil, and rubber pads on both sides of the moving iron core; the moving iron core reciprocates under the driving of the corresponding magnetic lines of the coil to drive the rubber pad to seal the guide hole or exhaust. The hole realizes the gas port conversion, and the gas flows from the guide hole through the gap L to the air outlet pipe, or the gas flows back from the air outlet pipe through the gap L and is exported from the exhaust hole.

On the other hand, the present invention also provides a working principle of an integrated airway pump and valve system, including:

By leaving a gap of at least 1/12 of the width of the electromagnet assembly between the electromagnet assembly and the side wall of the chamber to increase the air body flow to reduce gas loss;

By adjusting the diameter of the guide hole and the exhaust hole to be larger than the gap width, the gas flow rate can be increased and the gas loss can be reduced.

The beneficial effect of the present invention is that the present invention provides an electromagnet placement component, which includes: at least one chamber and an electromagnet component located inside the chamber; wherein at least the electromagnet component is left on both the electromagnet component and the side wall of the chamber. The gap is 1/12 of the width; there are guide holes and exhaust holes on both sides of the chamber, and the diameters are larger than the gap width; the electromagnet assembly includes: a coil, a moving iron core and a moving iron inside the coil Rubber pads on both sides of the core, this integrated airway pump-valve integrated system and its working principle realize the overall size by increasing the diameter of the guide hole and the exhaust hole, and increasing the gap between the electromagnet assembly and the side wall of the chamber. Small, with the same power of air pump, it has the effect of increasing the gas flow while reducing the flow loss of the air pump.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the specification and drawings.

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings.

Description of the drawings

In order to more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description The drawings illustrate some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting any creative effort.

Figure 1 is an exploded view of a preferred embodiment of the pump valve of the present invention;

FIG2 is a diagram showing the matching relationship between the chamber and the electromagnet assembly of a preferred embodiment of the present invention;

Figure 3 is a perspective view of a preferred embodiment of the electromagnet assembly of the present invention;

Figure 4 is a perspective view of a preferred embodiment of the pump valve of the present invention.

In the picture:

Electromagnet placement part 1, chamber 101, guide hole 102, exhaust hole 103;

Electromagnet assembly 2, bobbin 201, coil 202, magnetic conductive plate 203, moving iron core 204, rubber pad 205, pin 206;

Control circuit board 3;

Electromagnet cover 4, air outlet pipe 401;

Silencer sponge 5;

Hollow shell 6, one-way valve 601, pump body 602, back cover 603, air intake pipeline 6031;

Gap LL.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

As shown in Figures 1 and 2, this embodiment provides an integrated airway pump and valve system, including: an electromagnet placement member 1, which includes: at least one chamber 101 and an electromagnet assembly located inside the chamber 101 2; There is a gap L of at least 1/12 of the width of the electromagnet assembly 2 between the electromagnet assembly 2 and the side wall of the chamber 101; a flow guide hole 102 and an exhaust hole 103 are respectively provided on both sides of the chamber 101. And the diameters are larger than the width of the gap L; the electromagnet assembly 2 includes: a coil 202, a moving iron core 204 inside the coil 202, and rubber pads 205 on both sides of the moving iron core 204; wherein the moving iron core 204 is in the corresponding magnetic field line of the coil 202 Driven by the reciprocating motion, the rubber pad 205 is driven to seal the guide hole 102 or the exhaust hole 103 to realize the gas port conversion. The gas flows from the guide hole 102 through the gap L to the air outlet pipe 401 or the gas flows back from the air outlet pipe 401 through the gap L and from the exhaust pipe. hole 103 leads out; among them, it is most preferred to set the guide hole 102 and the exhaust hole 103 to be between 1.0mm-1.5mm; among them, it is most preferred to use dual channels, two chambers 101 and two electromagnet assemblies 2 to facilitate gas Flow transmission, reducing the working time of the air pump and enhancing the service life of the air pump.

As shown in Figure 3, in this embodiment, the electromagnet assembly 2 also includes: a bobbin 201 for winding the coil 202, a magnetic conductive plate 203 provided on the side of the bobbin 201, and an insert connected to the coil 202. Needle 206, if the above-mentioned parts are not provided, the electromagnet assembly 2 cannot work normally, cannot seal the guide hole 102 and the exhaust hole 103, and cannot realize the air port conversion.

As shown in Figures 1 and 3, in this embodiment, the bottom surface of the electromagnet placement part 1 is provided with a control circuit board 3, which is used to control the electromagnet assembly 2; where the control circuit board 3 and the plug-in Pin 206 plug-in connection facilitates installation and increases efficiency.

As shown in Figures 1 and 4, in this embodiment, an electromagnet cover 4 is provided on the top of the electromagnet placement part 1, which seals the electromagnet placement part 1 to form an air path; where the electromagnet cover 4 There is an air outlet pipe 401 connected to the board. The connection point of the air outlet pipe 401 is in a trapezoidal structure to facilitate the connection of the pneumatic lumbar support. Among them, it is most preferred to use laser welding between the electromagnet cover 4 and the electromagnet placement part 1. The connection point of the air outlet pipe 401 is The trapezoidal structure is adopted to achieve a guiding function while achieving a pull-off force effect when press-fitting the air pipe.

As shown in FIG. 1 , in this embodiment, a silencer sponge 5 is provided at the outlet of the exhaust hole 103 . By providing the silencer sponge 5 , the noise generated during exhaust can be reduced.

As shown in Figure 1, in this embodiment, the bottom surface of the electromagnet placement part 1 is connected to a hollow shell 6, and an air channel is provided inside the hollow shell 6, and the air channel is connected to the guide hole 102; A one-way valve 601 is provided in the air passage. If the one-way valve 601 is not provided, after the air pump is turned off, the gas will flow back along the air passage, affecting the inflation efficiency.

As shown in Figure 1, in this embodiment, a pump body 602 is provided inside the hollow shell 6, and the pump body 602 is connected to the air passage; a back cover 603 is provided on the bottom surface of the hollow shell 6, and the pump body 602 is connected to the air passage. The back cover 603 is provided with a pressure relief valve and an air inlet pipeline 6031; the air inlet pipeline 6031 is connected to the pump body 602. By providing a pressure relief valve, the effect of preventing the pump body 602 and the airway from being damaged due to excessive pressure is achieved.

On the basis of the integrated airway pump and valve system, this embodiment also provides a working principle of the integrated airway pump and valve system, including:

By arranging the electromagnet assembly 2 inside the chamber 101 of the electromagnet placement part 1, the rubber pad 205 is driven to seal the guide hole 102 or the exhaust hole 103 to realize the air port conversion;

By leaving a gap of at least 1/12 of the width of the electromagnet assembly 2 between the electromagnet assembly 2 and the side wall of the chamber 101, the gas flow rate is increased and the gas loss is reduced;

By adjusting the diameters of the guide hole 102 and the exhaust hole 103 to be larger than the gap width, the gas flow rate is increased and the gas loss is reduced.

To sum up, the present invention provides an electromagnet placement component, which includes: at least one chamber and an electromagnet assembly located inside the chamber; wherein both the electromagnet assembly and the side wall of the chamber leave at least the width of the electromagnet assembly. 1/12 gap to increase gas flow; both sides of the chamber are provided with guide holes and exhaust holes, and the diameters are larger than the width of the gap; the electromagnet assembly includes: a coil and a moving iron core inside the coil With the rubber pads on both sides of the moving iron core, this integrated airway pump-valve integrated system and its working principle increase the diameter of the guide hole and the exhaust hole, and increase the gap between the electromagnet assembly and the side wall of the chamber, thereby achieving It has the effect of increasing the gas flow while reducing the flow loss of the air pump under the same power of air pump with small appearance.

Each device selected in this application (components with no specific structure specified) are universal standard parts or components known to those skilled in the art. Their structures and principles can be known by those skilled in the art through technical manuals or through routine experimental methods. informed.

In the description of the embodiments of the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection, or Integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, specific circumstances can Understand the specific meanings of the above terms in the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limitations of the invention. Furthermore, the terms “first”, “second” and “third” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Taking the above-mentioned ideal embodiments of the present invention as inspiration and through the above description, relevant workers can make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the description, and must be determined based on the scope of the claims.

Claims

An integrated airway pump and valve system, which is characterized by including:

An electromagnet placement piece, which includes: at least one chamber and an electromagnet assembly located inside the chamber; wherein a gap of at least 1/12 of the width of the electromagnet assembly is left between the electromagnet assembly and the side wall of the chamber;

The chamber is provided with a flow guide hole and an exhaust hole on both sides, and the diameters of the holes are larger than the gap width;

The electromagnet assembly includes: a coil, a moving iron core inside the coil, and rubber pads on both sides of the moving iron core; the moving iron core reciprocates under the driving of the corresponding magnetic lines of the coil to drive the rubber pad to seal the guide hole or exhaust. The hole realizes the gas port conversion, and the gas flows from the guide hole through the gap to the air outlet pipe or the gas flows back from the air outlet pipe through the gap and is exported from the exhaust hole.
The integrated airway pump and valve system according to claim 1, characterized in that:

The electromagnet assembly also includes: a bobbin for winding the coil, a magnetic conductive plate provided on the side of the bobbin, and a pin connected to the coil.
The integrated airway pump and valve system according to claim 1, characterized in that:

The bottom surface of the electromagnet placing member is provided with a control circuit board, which is used to control the electromagnet assembly; wherein the control circuit board is plugged into the pins.
The integrated airway pump and valve system according to claim 1, characterized in that:

The top of the electromagnet placement piece is provided with an electromagnet cover plate, which seals the electromagnet placement piece to form an air path; an air outlet pipe is connected to the surface of the electromagnet cover plate, and the connection point of the air outlet pipe is in a trapezoidal structure. To facilitate pneumatic lumbar support connection.
The integrated airway pump and valve system according to claim 1, characterized in that:

A sound-absorbing sponge is arranged at the outlet of the exhaust hole.
The integrated airway pump and valve system according to claim 1, characterized in that:

The bottom surface of the electromagnet placement piece is connected to a hollow shell, and an air channel is provided inside the hollow shell, and the air channel is connected to the guide hole;

A one-way valve is provided in the air passage.
The integrated airway pump and valve system according to claim 6, characterized in that:

A pump body is provided inside the hollow shell, and the pump body is connected to the airway;

A rear cover is arranged on the bottom surface of the hollow shell, and a pressure relief valve and an air intake pipeline are arranged on the rear cover; wherein the air intake pipeline is connected with the pump body.
The working principle of an integrated airway pump and valve system is characterized by including:

By arranging the electromagnet assembly inside the cavity of the electromagnet placement part, the rubber gasket is driven to seal the guide hole or The exhaust hole realizes air port conversion;

By leaving a gap of at least 1/12 of the width of the electromagnet assembly between the electromagnet assembly and the chamber side wall, the gas flow rate is increased and gas loss is reduced;

By adjusting the diameter of the guide hole and the exhaust hole to be larger than the gap width, the gas flow rate can be increased and the gas loss can be reduced.