Thin ECU controller

Abstract

The utility model discloses a thin ECU (Electronic Control Unit) controller which comprises a plurality of electromagnetic valve main bodies arranged on a bottom shell, a plurality of pressure maintaining assemblies, a plurality of plugs, an air delivery pipe and a circuit board, the electromagnetic valve body comprises an upper shell, a valve seat, a first coil and a first movable iron core. The upper end of the upper shell is communicated with a gas utilization unit; the valve seat is fixed on the upper shell; an air inlet hole and a first air outlet hole are respectively formed in the valve seat; the air inlet is communicated with the air delivery pipe; the upper end of the first air outlet communicates with the air inlet, and the lower end of the first air outlet communicates with an inner cavity of the upper shell. The first movable iron core is sleeved in the upper shell below the valve seat in a sliding manner; the first coil is wound on the upper shell on the outer side of the first movable iron core, and the first coil is electrically connected with the circuit board; the multiple electromagnetic valve bodies are in tight butt joint with the pressure maintaining assembly. And the plurality of electromagnetic valve main bodies are in tight butt joint with the plug.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic valves, in particular to a thin ECU controller. Background Art

[0002] The solenoid valve is the main regulating unit for the air bag control in the car seat. The solenoid valve used in the car seat is mainly used to control the inflation and deflation of the air bag. Its structure generally includes a bobbin, a spring, a coil, a movable iron core, an iron and a buckle, etc., and the movement of the movable iron core is controlled by energizing and de-energizing the coil, thereby achieving the purpose of controlling the inflation and deflation of the air bag connected to the solenoid valve. In the same car seat massage, some only require the solenoid valve to have the functions of inflation and deflation, while some require the solenoid valve to have the functions of inflation, pressure maintenance and deflation to meet different massage needs. At present, in the existing controllers, the solenoid valves either have the functions of inflation and deflation, or have the functions of inflation, pressure maintenance and deflation. These two types of solenoid valves are independent of each other. It is difficult to adjust the actual installation quantity of the two types of solenoid valves in time according to the actual massage needs. The flexibility is poor, and the structure of the existing controller is relatively complex, the volume is large, the production and maintenance costs are high, and it is difficult to meet the actual use needs. Utility Model Content

[0003] The utility model aims to provide a thin ECU controller, the solenoid valve body of the thin ECU controller is detachably connected to the pressure maintaining component and the plug respectively, and a corresponding number of pressure maintaining components and the plug can be installed according to actual needs. When the solenoid valve body is connected to the plug, it has the functions of inflation and deflation, and when the solenoid valve body is connected to the pressure maintaining component, it has the functions of inflation, pressure maintaining and deflation. The utility model has good versatility, strong flexibility, simple structure, small size, low production and maintenance costs, and good use effect.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A thin ECU controller, comprising a plurality of solenoid valve bodies, a plurality of pressure-maintaining components, a plurality of plugs, an air pipe and a circuit board arranged on a bottom shell; the solenoid valve body comprises an upper shell, a valve seat, a first coil and a first movable iron core; the upper end of the upper shell is connected to an air-using unit; the valve seat is fixed to the upper shell, and a gap is left between the inner wall of the upper shell and the valve seat; an air inlet and a first air outlet are respectively arranged in the valve seat; the air inlet is connected to the air pipe; the upper end of the first air outlet is connected to the air inlet, and the lower end of the first air outlet is connected to the inner cavity of the upper shell; the The first movable iron core is slidably sleeved in the upper shell below the valve seat, and a gap is left between the first movable iron core and the inner wall of the upper shell; the first coil is wound on the upper shell outside the first movable iron core, and the first coil is electrically connected to the circuit board, and the first coil is energized through the circuit board to drive the first movable iron core to move downward to open the first air outlet for inflation; several of the solenoid valve bodies are tightly connected to the pressure maintaining components to realize the inflation, pressure maintaining and deflation functions of the corresponding solenoid valve bodies; several of the solenoid valve bodies are tightly connected to the plug to realize the inflation and deflation functions of the corresponding solenoid valve bodies.

[0006] Furthermore, a first permanent magnet is disposed at the lower end of the first movable iron core; and a plurality of first slots for detachably connecting with a pressure-maintaining component or a plug are disposed at the lower end of the upper shell.

[0007] Furthermore, the pressure-maintaining assembly includes a lower shell, a second coil and a second movable iron core; a plurality of first main clips are provided on the outer side wall of the upper end of the lower shell, and the upper shell and the lower shell are tightly mounted together by embedding the first main clips into the first slot; a second permanent magnet is provided on the upper end of the lower shell; the first permanent magnet and the second permanent magnet are close to each other at one end and have the same polarity, and the first movable iron core is driven to move up by the repulsive force of the second permanent magnet to close the first air outlet; a pressure-maintaining hole is provided on the upper end of the lower shell, and the upper shell and the lower shell are connected through the pressure-maintaining hole; an exhaust hole is provided on the lower shell below the pressure-maintaining hole; the second movable iron core is slidably sleeved in the lower shell below the pressure-maintaining hole, and the pressure-maintaining hole is closed by attracting the second movable iron core upward by the second permanent magnet; the second coil is wound on the lower shell outside the second movable iron core, and the second coil is electrically connected to the circuit board, and the second movable iron core is driven to move down by powering on the second coil to open the pressure-maintaining hole and discharge the gas from the exhaust hole.

[0008] Furthermore, the side wall of the plug is provided with a plurality of first auxiliary clips, and the upper shell and the plug are tightly mounted together by embedding the first auxiliary clips into the first slot; a third permanent magnet is provided in the plug; the first permanent magnet and the third permanent magnet are close to each other at one end and have the same polarity, and the first movable iron core is driven to move upward by the repulsive force of the third permanent magnet to close the first air outlet; an air leakage hole is provided in the plug, and the first movable iron core is driven downward by energizing the first coil to open the first air outlet and close the air leakage hole.

[0009] Furthermore, a second air outlet is provided in the valve seat; one end of the second air outlet is connected to the air inlet, and the other end of the second air outlet is connected to the air inlet of an adjacent valve seat; a plurality of second slots are provided at one end of the valve seat near the air inlet, and a plurality of second buckles are provided at one end of the valve seat near the second air outlet, and the adjacent valve seats are tightly connected together by embedding the second buckles into the second slots of adjacent valve seats, wherein the air inlet of the first valve seat connected together is connected to the air supply pipe, and the second air outlet of the last valve seat is closed; a sealing ring is provided on the outer wall of the valve seat near the second air outlet.

[0010] Furthermore, a silencer block is fixed in the upper shell above the valve seat; a plurality of silencer holes are arranged on the silencer block; a sealing rubber block is fixed to the upper end of the first movable iron core; a pressure-maintaining rubber block is fixed to the upper end of the second movable iron core, and a fourth permanent magnet is arranged at the lower end of the second movable iron core, and the second movable iron core is magnetized by the fourth permanent magnet so that the second permanent magnet attracts the second movable iron core to move upward; sealing rubber rings are respectively arranged on the lower shell below the first movable iron core and the second movable iron core; an annular sealing ridge is fixed to the upper end of the sealing rubber ring.

[0011] Furthermore, a compression spring is provided at the lower end of the first movable iron core; the lower end of the compression spring rests against the pressure maintaining hole or the air release hole, and the upper end of the compression spring rests against the first movable iron core; a pressure maintaining spring is provided below the second movable iron core; the lower end of the pressure maintaining spring is connected to the lower shell, and the upper end of the pressure maintaining spring rests against the second movable iron core.

[0012] Furthermore, the gas pipe is fixed to the upper end of the bottom shell; a gas hole is provided in the gas pipe; the gas inlet end of the gas hole is connected to an external gas source, and the gas outlet end of the gas hole is connected to the gas inlet hole, and the gas hole is supplied with gas through the external gas source; a buffer cavity is provided on the gas pipe; the upper end of the buffer cavity is connected to the gas hole, and a positioning block is fixed between the upper end of the buffer cavity and the gas hole; a pressure regulating valve diaphragm and a pressure regulating spring are provided in the buffer cavity; the outer edge of the pressure regulating valve diaphragm is sealed and fixed to the gas pipe at the lower end of the buffer cavity, and the inside of the pressure regulating valve diaphragm abuts against the lower end of the positioning block; the upper end of the pressure regulating spring is connected to the pressure regulating valve diaphragm, and the lower end of the pressure regulating spring is connected to the bottom shell, and the gas pressure is regulated by moving the inside of the pressure regulating valve diaphragm downward.

[0013] Furthermore, the circuit board is arranged between the gas pipe and the bottom shell; a metal part is fixed to the lower end of the inner part of the pressure regulating valve diaphragm; the upper end of the pressure regulating spring is connected to the metal part, and the lower end of the pressure regulating spring passes through the circuit board and is connected to the bottom shell; two contacts are respectively arranged on the circuit board under the metal part; the circuit board is communicated with the external gas source, and the metal part descends to connect the two contacts, so that the circuit board sends a gas cut-off command to the external gas source to stop the external gas source from supplying gas to the gas delivery hole; the metal part rises to disconnect the two contacts, so that the circuit board sends a gas supply command to the external gas source to start the external gas source from supplying gas to the gas delivery hole.

[0014] Furthermore, a guide rod is fixed to the lower end of the inner part of the pressure regulating valve diaphragm, and the metal part is in a "T" shape, and the "T"-shaped metal part is sleeved and fixed on the outside of the guide rod; the upper end of the pressure regulating spring is tightly sleeved on the outside of the "T"-shaped metal part; a positioning hole is provided at the upper end of the bottom shell, and the lower end of the pressure regulating spring is sleeved in the positioning hole; the upper end of the bottom shell is detachably provided with an upper cover.

[0015] After adopting the above technical solution, the utility model has the following beneficial effects:

[0016] 1. The utility model provides a thin ECU controller, in which the solenoid valve body is detachably connected to the pressure-maintaining component and the plug respectively, and the corresponding number of pressure-maintaining components and the plug can be installed according to actual needs. When the solenoid valve body is connected to the plug, it has the functions of inflation and deflation, and when the solenoid valve body is connected to the pressure-maintaining component, it has the functions of inflation, pressure maintenance and deflation. It has good versatility, strong flexibility, simple structure, small size, low production and maintenance costs, and good use effect.

[0017] 2. The utility model discloses a thin ECU controller. When the solenoid valve body is connected to the pressure-maintaining component, the first permanent magnet and the second permanent magnet are close to each other at one end and have the same polarity. The repulsive force of the second permanent magnet can drive the first movable iron core to move up to close the first air outlet. The lower end of the second movable iron core is provided with a fourth permanent magnet. The second movable iron core is magnetized by the fourth permanent magnet so that the second permanent magnet attracts the second movable iron core to move up to close the pressure-maintaining hole. When inflation is required, the first coil is energized to drive the first movable iron core to move down to open the first air outlet, and the gas passes through The air inlet hole and the first air outlet hole are used to inflate air bags and other air-using units from the upper end of the upper shell; after the inflation is completed, the first coil is energized, and the first movable iron core can be driven upward by the repulsive force of the second permanent magnet to close the first air outlet hole. At this time, the pressure-maintaining hole is also in a closed state, so that the pressure of air bags and other air-using units can be maintained; when it is necessary to deflate, the second coil is energized to drive the second movable iron core to move downward to open the pressure-maintaining hole, and the gas in the air bags and other air-using units can pass through the upper shell, the pressure-maintaining hole, the lower shell and be discharged outward from the exhaust hole, so that the deflation of air bags and other air-using units can be achieved.

[0018] 3. The utility model discloses a thin ECU controller. When the solenoid valve body is connected to the plug, an air leakage hole is arranged in the plug. By energizing the first coil and driving the first movable iron core downward, the first air outlet hole can be opened and the air leakage hole can be closed, so as to realize the inflation of the air-using unit such as the air bag. When the first coil is stopped from being energized, a third permanent magnet is arranged in the plug. The first permanent magnet and the third permanent magnet are close to each other at one end and have the same polarity. The first movable iron core is driven upward by the repulsive force of the third permanent magnet, so as to close the first air outlet hole and open the air leakage hole, so as to realize the deflation of the air-using unit such as the air bag.

[0019] 4. The utility model provides a thin ECU controller, and a plurality of silencer holes are arranged on the silencer block, which can reduce the noise during inflation or deflation. In addition, the soft sealing rubber block, the pressure-maintaining rubber block and the sealing rubber ring can not only realize the soft contact of the first movable iron core or the second movable iron core, but also reduce the noise when the first air outlet, the air deflation hole or the pressure-maintaining hole is closed.

[0020] 5. The utility model provides a thin ECU controller, wherein a plurality of second slots are provided at one end of the valve seat near the air inlet, and a plurality of second buckles are provided at one end of the valve seat near the second air outlet. Adjacent valve seats can be tightly connected together by embedding the second buckles into the second slots of adjacent valve seats, and a plurality of valve seats can be connected in series for use. When the plurality of valve seats are used in series, the air inlet on the first valve seat is connected to the air pipe, and the second air outlet on the last valve seat is blocked, so that a common air inlet passage can be used, reducing the air pipeline, effectively reducing the volume, and reducing the cost, thereby achieving thinness.

[0021] 6. The utility model provides a thin ECU controller, in which the circuit board is communicatively connected with an external gas source. When the gas pressure in the gas pipe increases, the metal piece drops, and the two contacts can be connected through the metal piece. At this time, the circuit board sends a gas cut-off command to the external gas source to stop the external gas source from supplying gas to the gas holes; when the gas pressure in the gas pipe decreases, the metal piece rises, and the two contacts can be disconnected through the metal piece. At this time, the circuit board sends a gas supply command to the external gas source to start the external gas source from supplying gas to the gas holes. The gas supply and gas cut-off can be performed adaptively and automatically, which can effectively prevent the gas pipe from exploding due to excessive pressure, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model when the upper cover is opened;

[0024] Figure 3 It is a schematic diagram of the cutaway structure of the gas transmission pipe of the utility model;

[0025] Figure 4It is a partial cross-sectional structural schematic diagram of the diaphragm portion of the pressure regulating valve of the utility model;

[0026] Figure 5 It is a schematic diagram of the principle of stopping or starting gas supply from an external gas source of the utility model;

[0027] Figure 6 It is a three-dimensional structural schematic diagram of the solenoid valve body and the plug of the utility model when they are connected;

[0028] Figure 7 It is a structural schematic diagram of the electromagnetic valve body of the utility model cut parallel to the second air outlet when the plug is connected;

[0029] Figure 8 It is a structural schematic diagram of the electromagnetic valve body of the utility model cut perpendicularly to the second air outlet when the plug is connected;

[0030] Fig. 9 It is a three-dimensional structural schematic diagram of the solenoid valve body and the pressure-maintaining component of the utility model when they are connected;

[0031] Fig.10 It is a structural schematic diagram of the electromagnetic valve body of the utility model cut parallel to the second air outlet when the electromagnetic valve body and the pressure-maintaining component are connected;

[0032] Fig.11 It is a structural schematic diagram of the electromagnetic valve body of the utility model cut perpendicularly to the second air outlet when the electromagnetic valve body and the pressure-maintaining component are connected.

[0033] The reference numerals in the figure are as follows:

[0034] 1. Solenoid valve body; 11. Upper shell; 110. First slot; 111. Compression spring; 12. Valve seat; 120. Air inlet; 121. First air outlet; 122. Second air outlet; 123. Second slot; 124. Second buckle; 125. Sealing ring; 13. First coil; 14. First movable iron core; 140. First permanent magnet; 141. Sealing rubber block; 15. Silencing block; 150. Silencing hole; 2. Pressure-maintaining assembly; 20. Second permanent magnet; 21. Pressure-maintaining hole; 22. Lower shell; 220. Air outlet; 221. First main Buckle; 23. Second coil; 24. Second movable iron core; 240. Fourth permanent magnet; 241. Pressure-maintaining rubber block; 25. Pressure-maintaining spring; 3. Plug; 30. Third permanent magnet; 31. Air vent; 32. First auxiliary buckle; 4. Air pipe; 40. Air hole; 41. Buffer chamber; 42. Positioning block; 43. Pressure regulating valve diaphragm; 430. Metal parts; 431. Guide rod; 44. Pressure regulating spring; 5. Circuit board; 50. Contact; 6. Bottom shell; 60. Positioning hole; 61. Upper cover; 7. Sealing rubber ring; 70. Sealing convex strip; 8. External air source. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0036] See also Figures 1 to 11 A thin ECU controller includes a plurality of solenoid valve bodies 1, a plurality of pressure-maintaining components 2, a plurality of plugs 3, an air pipe 4 and a circuit board 5 arranged on a bottom shell 6; the solenoid valve body 1 includes an upper shell 11, a valve seat 12, a first coil 13 and a first movable iron core 14; the upper end of the upper shell 11 is connected to the gas unit; the valve seat 12 is fixed on the upper shell 11, and a gap is left between the inner wall of the upper shell 11 and the valve seat 12; an air inlet 120 and a first air outlet 121 are respectively arranged in the valve seat 12; the air inlet 120 is connected to the air pipe 4; the upper end of the first air outlet 121 is connected to the air inlet 120, and the lower end of the first air outlet 121 is connected to the upper shell 1 1 is connected to the inner cavity; the first movable iron core 14 is slidably sleeved in the upper shell 11 below the valve seat 12, and a gap is left between the first movable iron core 14 and the inner wall of the upper shell 11; the first coil 13 is wound on the upper shell 11 outside the first movable iron core 14, and the first coil 13 is electrically connected to the circuit board 5, and the first coil 13 is energized through the circuit board 5 to drive the first movable iron core 14 to move downward to open the first air outlet 121 for inflation; a number of the solenoid valve bodies 1 are closely connected with the pressure-maintaining components 2 to realize the inflation, pressure-maintaining and deflation functions of the corresponding solenoid valve bodies 1; a number of the solenoid valve bodies 1 are closely connected with the plug 3 to realize the inflation and deflation functions of the corresponding solenoid valve bodies 1.

[0037] See also Figures 1 to 11 A first permanent magnet 140 is disposed at the lower end of the first movable iron core 14 ; a plurality of first slots 110 for detachably connecting with the pressure maintaining assembly 2 or the plug 3 are disposed at the lower end of the upper shell 11 .

[0038] See also Figures 1 to 11The pressure-maintaining assembly 2 includes a lower shell 22, a second coil 23 and a second movable iron core 24; a plurality of first main buckles 221 are provided on the outer side wall of the upper end of the lower shell 22, and the upper shell 11 and the lower shell 22 are tightly mounted together by inserting the first main buckles 221 into the first card slot 110, wherein a notch is provided at the lower end of the upper shell 11 to facilitate the detachable connection between the upper shell 11 and the lower shell 22; a second permanent magnet 20 is provided at the upper end of the lower shell 22; the first permanent magnet 140 and the second permanent magnet 20 are close to each other at one end with the same polarity, and the first movable iron core 14 is driven to move upward by the repulsive force of the second permanent magnet 20 to close the first air outlet 121 Closed; a pressure-maintaining hole 21 is provided at the upper end of the lower shell 22, through which the upper shell 11 and the lower shell 22 are connected; an exhaust hole 220 is provided on the lower shell 22 below the pressure-maintaining hole 21; the second movable iron core 24 is slidably sleeved in the lower shell 22 below the pressure-maintaining hole 21, and the second permanent magnet 20 attracts the second movable iron core 24 to move up to close the pressure-maintaining hole 21; the second coil 23 is wound on the lower shell 22 outside the second movable iron core 24, and the second coil 23 is electrically connected to the circuit board 5, and the second movable iron core 24 is driven to move downward to open the pressure-maintaining hole 21 and discharge the gas from the exhaust hole 220 by energizing the second coil 23.

[0039] See also Figures 1 to 11 The side wall of the plug 3 is provided with a plurality of first auxiliary buckles 32, and the first auxiliary buckles 32 are embedded in the first card slot 110 to tightly install the upper shell 11 and the plug 3 together, wherein a notch is provided at the lower end of the upper shell 11 to facilitate the detachable connection between the upper shell 11 and the plug 3; a third permanent magnet 30 is provided in the plug 3; the first permanent magnet 140 and the third permanent magnet 30 are close to each other at one end and have the same polarity, and the first movable iron core 14 is driven to move upward by the repulsive force of the third permanent magnet 30 to close the first air outlet 121; an air leakage hole 31 is provided in the plug 3, and the first movable iron core 14 is driven to move downward by the first coil 13 to open the first air outlet 121 and close the air leakage hole 31.

[0040] See also Figures 1 to 11 A second air outlet 122 is provided in the valve seat 12; one end of the second air outlet 122 is communicated with the air inlet 120, and the other end of the second air outlet 122 is communicated with the air inlet 120 of the adjacent valve seat 12; a plurality of second slots 123 are provided at one end of the valve seat 12 near the air inlet 120, and a plurality of second buckles 124 are provided at one end of the valve seat 12 near the second air outlet 122, and the adjacent valve seats 12 are tightly connected together by embedding the second buckles 124 into the second slots 123 of the adjacent valve seats 12, wherein the air inlet 120 of the first valve seat 12 connected together is communicated with the air supply pipe 4, and the second air outlet 122 of the last valve seat 12 is closed; a sealing ring 125 is provided on the outer wall of the valve seat 12 near the second air outlet 122.

[0041] See also Figures 1 to 11 A silencer block 15 is fixed in the upper shell 11 above the valve seat 12; a plurality of silencer holes 150 are arranged on the silencer block 15; a sealing rubber block 141 is fixed to the upper end of the first movable iron core 14; a pressure-maintaining rubber block 241 is fixed to the upper end of the second movable iron core 24, and a fourth permanent magnet 240 is arranged at the lower end of the second movable iron core 24, and the second movable iron core 24 is magnetized by the fourth permanent magnet 240 so that the second permanent magnet 20 attracts the second movable iron core 24 to move upward; sealing rubber rings 7 are respectively arranged on the lower shell 22 below the first movable iron core 14 and the second movable iron core 24; an annular sealing convex strip 70 is fixed to the upper end of the sealing rubber ring 7.

[0042] See also Figures 1 to 11 A compression spring 111 is provided at the lower end of the first movable iron core 14; the lower end of the compression spring 111 abuts against the pressure holding hole 21 or the air release hole 31, and the upper end of the compression spring 111 abuts against the first movable iron core 14; a pressure holding spring 25 is provided below the second movable iron core 24; the lower end of the pressure holding spring 25 is connected to the lower shell 22, and the upper end of the pressure holding spring 25 abuts against the second movable iron core 24.

[0043] See also Figures 1 to 11 , the gas pipe 4 is fixed to the upper end of the bottom shell 6; a gas hole 40 is arranged in the gas pipe 4; the gas inlet end of the gas hole 40 is connected with the external gas source 8, and the gas outlet end of the gas hole 40 is connected with the gas inlet hole 120, and the gas hole 40 is supplied with gas through the external gas source 8; a buffer cavity 41 is arranged on the gas pipe 4; the upper end of the buffer cavity 41 is connected with the gas hole 40, and a positioning block 42 is fixed between the upper end of the buffer cavity 41 and the gas hole 40; a pressure regulating valve diaphragm 43 and a pressure regulating spring 44 are arranged in the buffer cavity 41; the outer edge of the pressure regulating valve diaphragm 43 is sealed and fixed to the gas pipe 4 at the lower end of the buffer cavity 41, and the inside of the pressure regulating valve diaphragm 43 abuts against the lower end of the positioning block 42; the upper end of the pressure regulating spring 44 is connected to the pressure regulating valve diaphragm 43, and the lower end of the pressure regulating spring 44 is connected to the bottom shell 6, and the gas pressure is adjusted by moving the inside of the pressure regulating valve diaphragm 43 downward.

[0044] See also Figures 1 to 11, the circuit board 5 is arranged between the gas pipe 4 and the bottom shell 6; a metal piece 430 is fixed to the lower end of the pressure regulating valve diaphragm 43; the upper end of the pressure regulating spring 44 is connected to the metal piece 430, and the lower end of the pressure regulating spring 44 passes through the circuit board 5 and is connected to the bottom shell 6; two contacts 50 are respectively arranged on the circuit board 5 below the metal piece 430; the circuit board 5 is connected to the external gas source 8 for communication, and the metal piece 430 descends to connect the two contacts 50, so that the circuit board 5 sends a gas cut-off command to the external gas source 8 to stop the external gas source 8 from supplying gas to the gas delivery hole 40; the metal piece 430 rises to disconnect the two contacts 50, so that the circuit board 5 sends a gas supply command to the external gas source 8 to start the external gas source 8 to supply gas to the gas delivery hole 40.

[0045] See also Figures 1 to 11 A guide rod 431 is fixed to the lower end of the inner part of the pressure regulating valve diaphragm 43, and the metal part 430 is "T"-shaped, and the "T"-shaped metal part 430 is sleeved and fixed outside the guide rod 431; the upper end of the pressure regulating spring 44 is tightly sleeved outside the "T"-shaped metal part 430; a positioning hole 60 is provided at the upper end of the bottom shell 6, and the lower end of the pressure regulating spring 44 is sleeved in the positioning hole 60; the upper end of the bottom shell 6 is detachably provided with an upper cover 61, and the detachable method can be screws or the like.

[0046] It is to be understood that in the present disclosure, "plurality" refers to two or more than two, and other quantifiers are similar. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. The singular forms "a", "the" and "the" are also intended to include plural forms, unless the context clearly indicates other meanings.

[0047] It is further understood that the terms "first", "second", etc. are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other, and do not indicate a specific order or degree of importance. In fact, the expressions "first", "second", etc. can be used interchangeably. For example, without departing from the scope of the present disclosure, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information.

[0048] It will be further understood that the terms “center”, “longitudinal”, “lateral”, “front”, “back”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present embodiment and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation.

[0049] It can be further understood that, unless otherwise specified, “connection” includes a direct connection without other components between the two, and also includes an indirect connection with other components between the two.

[0050] It is further understood that, although the operations are described in a specific order in the drawings in the embodiments of the present disclosure, it should not be understood as requiring the operations to be performed in the specific order shown or in a serial order, or requiring the execution of all the operations shown to obtain the desired results. In certain environments, multitasking and parallel processing may be advantageous.

[0051] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the utility model disclosed herein. This application is intended to cover any variations, uses or adaptations of the present disclosure, which follow the general principles of the present disclosure and include common knowledge or customary technical means in the art that are not disclosed in the present disclosure. The specification and examples are to be regarded as exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0052] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A thin ECU controller, characterized in that: The invention comprises a plurality of electromagnetic valve bodies (1) arranged on a bottom shell (6), a plurality of pressure-maintaining components (2), a plurality of plugs (3), an air supply pipe (4) and a circuit board (5); the electromagnetic valve body (1) comprises an upper shell (11), a valve seat (12), a first coil (13) and a first movable iron core (14); the upper end of the upper shell (11) is connected to an air-using unit; the valve seat (12) is fixed to the upper shell (11), and a gap is left between the inner wall of the upper shell (11) and the valve seat (12); an air inlet (120) and a first air outlet (121) are respectively arranged in the valve seat (12); the air inlet (120) is connected to the air supply pipe (4); the upper end of the first air outlet (121) is connected to the air inlet (120), and the lower end of the first air outlet (121) is connected to the inner wall of the upper shell (11); The first movable iron core (14) is slidably sleeved in the upper shell (11) below the valve seat (12), and a gap is left between the first movable iron core (14) and the inner wall of the upper shell (11); the first coil (13) is wound on the upper shell (11) outside the first movable iron core (14), and the first coil (13) is electrically connected to the circuit board (5), and the first coil (13) is energized through the circuit board (5) to drive the first movable iron core (14) to move downward to open the first air outlet (121) for inflation; a plurality of the solenoid valve bodies (1) are tightly connected to the pressure-maintaining components (2) to realize the inflation, pressure-maintaining and deflation functions of the corresponding solenoid valve bodies (1); a plurality of the solenoid valve bodies (1) are tightly connected to the plug (3) to realize the inflation and deflation functions of the corresponding solenoid valve bodies (1).

2. A thin ECU controller as claimed in claim 1, characterized in that: A first permanent magnet (140) is disposed at the lower end of the first movable iron core (14); and a plurality of first slots (110) for detachably connecting to a pressure-maintaining component (2) or a plug (3) are disposed at the lower end of the upper shell (11).

3. A thin ECU controller as claimed in claim 2, characterized in that: The pressure-maintaining assembly (2) comprises a lower shell (22), a second coil (23) and a second movable iron core (24); a plurality of first main buckles (221) are arranged on the outer side wall of the upper end of the lower shell (22), and the upper shell (11) and the lower shell (22) are tightly mounted together by inserting the first main buckles (221) into the first clamping groove (110); a second permanent magnet (20) is arranged on the upper end of the lower shell (22); the first permanent magnet (140) and the second permanent magnet (20) are close to each other at one end and have the same polarity, and the repulsive force of the second permanent magnet (20) drives the first movable iron core (14) to move upward to close the first air outlet (121); a pressure-maintaining hole (21) is arranged on the upper end of the lower shell (22), The upper shell (11) and the lower shell (22) are connected via a pressure-maintaining hole (21); an exhaust hole (220) is provided on the lower shell (22) below the pressure-maintaining hole (21); the second movable iron core (24) is slidably sleeved in the lower shell (22) below the pressure-maintaining hole (21); the second permanent magnet (20) attracts the second movable iron core (24) to move upward to close the pressure-maintaining hole (21); the second coil (23) is wound on the lower shell (22) outside the second movable iron core (24), and the second coil (23) is electrically connected to the circuit board (5); the second movable iron core (24) is driven to move downward to open the pressure-maintaining hole (21) and exhaust gas from the exhaust hole (220) by energizing the second coil (23).

4. A thin ECU controller as claimed in claim 3, characterized in that: The side wall of the plug (3) is provided with a plurality of first auxiliary buckles (32), and the upper shell (11) and the plug (3) are tightly mounted together by inserting the first auxiliary buckles (32) into the first clamping groove (110); a third permanent magnet (30) is provided in the plug (3); the first permanent magnet (140) and the third permanent magnet (30) are close to each other at one end and have the same polarity, and the repulsive force of the third permanent magnet (30) drives the first movable iron core (14) to move upward to close the first air outlet (121); an air leakage hole (31) is provided in the plug (3), and the first movable iron core (14) is driven downward by energizing the first coil (13) to open the first air outlet (121) and close the air leakage hole (31).

5. A thin ECU controller as claimed in claim 4, characterized in that: A second air outlet (122) is provided in the valve seat (12); one end of the second air outlet (122) is communicated with the air inlet (120), and the other end of the second air outlet (122) is communicated with the air inlet (120) of an adjacent valve seat (12); a plurality of second clamping grooves (123) are provided at one end of the valve seat (12) close to the air inlet (120), and a plurality of second buckles (124) are provided at one end of the valve seat (12) close to the second air outlet (122), and the adjacent valve seats (12) are tightly connected together by embedding the second buckles (124) in the second clamping grooves (123) of adjacent valve seats (12), wherein the air inlet (120) of the first valve seat (12) connected together is communicated with the air supply pipe (4), and the second air outlet (122) of the last valve seat (12) is closed; a sealing ring (125) is provided on the outer wall of the valve seat (12) close to the second air outlet (122).

6. A thin ECU controller as claimed in claim 5, characterized in that: A silencer block (15) is fixed inside the upper shell (11) above the valve seat (12); a plurality of silencer holes (150) are provided on the silencer block (15); a sealing rubber block (141) is fixed to the upper end of the first movable iron core (14); a pressure-maintaining rubber block (241) is fixed to the upper end of the second movable iron core (24); a fourth permanent magnet (240) is provided at the lower end of the second movable iron core (24); the second movable iron core (24) is magnetized by the fourth permanent magnet (240) so that the second permanent magnet (20) attracts the second movable iron core (24) to move upward; A sealing rubber ring (7) is provided on the lower shell (22) below the first movable iron core (14) and the second movable iron core (24), respectively; an annular sealing convex strip (70) is fixed to the upper end of the sealing rubber ring (7).

7. A thin ECU controller as claimed in claim 6, characterized in that: A compression spring (111) is arranged at the lower end of the first movable iron core (14); the lower end of the compression spring (111) abuts against the pressure-maintaining hole (21) or the air release hole (31), and the upper end of the compression spring (111) abuts against the first movable iron core (14); a pressure-maintaining spring (25) is arranged below the second movable iron core (24); the lower end of the pressure-maintaining spring (25) is connected to the lower shell (22), and the upper end of the pressure-maintaining spring (25) abuts against the second movable iron core (24).

8. A thin ECU controller as claimed in claim 7, characterized in that: The gas delivery pipe (4) is fixed to the upper end of the bottom shell (6); a gas delivery hole (40) is provided in the gas delivery pipe (4); the gas inlet end of the gas delivery hole (40) is connected to the external gas source (8), and the gas outlet end of the gas delivery hole (40) is connected to the gas inlet hole (120), and the gas delivery hole (40) is supplied with gas through the external gas source (8); a buffer cavity (41) is provided on the gas delivery pipe (4); the upper end of the buffer cavity (41) is connected to the gas delivery hole (40), and a gas barrier is fixed between the upper end of the buffer cavity (41) and the gas delivery hole (40). A positioning block (42) is provided; a pressure regulating valve diaphragm (43) and a pressure regulating spring (44) are arranged in the buffer chamber (41); the outer edge of the pressure regulating valve diaphragm (43) is sealed and fixed to the gas delivery pipe (4) at the lower end of the buffer chamber (41), and the inside of the pressure regulating valve diaphragm (43) abuts against the lower end of the positioning block (42); the upper end of the pressure regulating spring (44) is connected to the pressure regulating valve diaphragm (43), and the lower end of the pressure regulating spring (44) is connected to the bottom shell (6), and the gas pressure is regulated by moving downward inside the pressure regulating valve diaphragm (43).

9. A thin ECU controller as claimed in claim 8, characterized in that: The circuit board (5) is arranged between the gas supply pipe (4) and the bottom shell (6); a metal part (430) is fixed to the lower end of the pressure regulating valve diaphragm (43); the upper end of the pressure regulating spring (44) is connected to the metal part (430), and the lower end of the pressure regulating spring (44) passes through the circuit board (5) and is connected to the bottom shell (6); two contacts (50) are respectively arranged on the circuit board (5) below the metal part (430); the circuit board (5) is connected to the external gas source (8) for communication, and the metal part (430) descends to connect the two contacts (50), so that the circuit board (5) sends a gas cut-off instruction to the external gas source (8) to stop the external gas source (8) from supplying gas to the gas supply hole (40); the metal part (430) rises to disconnect the two contacts (50), so that the circuit board (5) sends a gas supply instruction to the external gas source (8) to start the external gas source (8) from supplying gas to the gas supply hole (40).

10. A thin ECU controller as claimed in claim 9, characterized in that: A guide rod (431) is fixed to the lower end of the inner part of the pressure regulating valve diaphragm (43); the metal part (430) is in a "T" shape, and the "T"-shaped metal part (430) is sleeved and fixed outside the guide rod (431); the upper end of the pressure regulating spring (44) is tightly sleeved outside the "T"-shaped metal part (430); a positioning hole (60) is provided at the upper end of the bottom shell (6), and the lower end of the pressure regulating spring (44) is sleeved in the positioning hole (60); and a top cover (61) is detachably provided at the upper end of the bottom shell (6).

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