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CN-121993646-A - Pneumatic control device of modularization equipment

CN121993646ACN 121993646 ACN121993646 ACN 121993646ACN-121993646-A

Abstract

The application discloses a modularized assembled pneumatic control device which comprises a shell, a valve body, a control assembly and a conductive assembly, wherein an electric control module is arranged in the shell, a first conductive hanging part is arranged on the electric control module, the valve body is arranged in the shell, a gas distribution gas path is formed in the valve body, the gas distribution gas path is in a gas inlet state and a gas leakage state, the control assembly is arranged in the shell and comprises a conductive valve core and a memory alloy wire, at least one part of the conductive valve core is slidably inserted in the valve body, one end of the conductive valve core is provided with a second conductive hanging part, the memory alloy wire is provided with a first hanging end and a second hanging end, the first hanging end is connected with the first conductive hanging part in a hanging mode, the second hanging end is connected with the second conductive hanging part in a hanging mode and used for exerting a biasing force on the conductive valve core, one end of the conductive assembly is electrically connected with the conductive valve core, and the other end of the conductive assembly is electrically connected with the electric control module, and the electric control module, wherein the electric control module, the memory alloy wire, the conductive valve core and the conductive assembly jointly form a circuit loop.

Inventors

  • YOU LIHUI
  • ZHANG HAITAO

Assignees

  • 安闻科技集团股份有限公司

Dates

Publication Date
20260508
Application Date
20260331

Claims (10)

  1. 1. A modular assembled pneumatic control device, comprising: the electric control device comprises a shell (1), wherein an electric control module (5) is arranged in the shell (1), and a first conductive hanging part (10) is arranged on the electric control module (5); the valve body (2) is arranged in the shell (1), the valve body (2) is provided with a gas distribution gas path (21), and the gas distribution gas path (21) has a gas inlet state and a gas outlet state; The control assembly (3) is arranged in the shell (1), the control assembly (3) comprises a conductive valve core (32) and a memory alloy wire (31), at least one part of the conductive valve core (32) is slidably inserted into the valve body (2) to at least control the gas distribution gas path (21) to be switched between the gas inlet state and the gas release state, one end of the conductive valve core (32) is provided with a second conductive hanging part (20), the memory alloy wire (31) is provided with a first hanging end (311) and a second hanging end (312), the first hanging end (311) is connected with the first conductive hanging part (10) in a hanging mode, and the second hanging end (312) is connected with the second conductive hanging part (20) in a hanging mode and is used for applying a deflection force to the conductive valve core (32); The conductive component (4), one end of the conductive component (4) is electrically connected with the conductive valve core (32), and the other end of the conductive component (4) is electrically connected with the electric control module (5); Wherein, the electric control module (5), the memory alloy wire (31), the conductive valve core (32) and the conductive component (4) together form a circuit loop.
  2. 2. The modular assembled pneumatic control device according to claim 1, characterized in that said first hooking end (311) is provided with a first connection terminal (30) fixedly connected to said memory alloy wire (31); The first conductive hanging part (10) is configured as a hanging groove formed on the electric control module (5), the first connecting terminal (30) is provided with a clamping protrusion (301), the first connecting terminal (30) is embedded in the hanging groove and enables the clamping protrusion (301) to be matched and clamped with the hanging groove so as to realize the hanging of the first hanging end (311) and the hanging groove, or The first conductive hanging part (10) is configured as a hanging stop block formed on the electric control module (5), the first connecting terminal (30) is provided with a clamping groove (302), and the first connecting terminal (30) is clamped with the hanging stop block in a matched manner through the clamping groove (302) so as to achieve hanging of the first hanging end (311) and the hanging stop block.
  3. 3. The modular assembled pneumatic control device of claim 1, wherein the first conductive hooking portion (10) is welded to the electronic control module (5) or wherein at least a portion of the first conductive hooking portion (10) is plugged onto the electronic control module (5).
  4. 4. The modular assembled pneumatic control device according to claim 1, characterized in that said second hooking end (312) is provided with a second connection terminal (40) fixedly connected to said memory alloy wire (31); The second conductive hanging part (20) is configured as a groove formed on the conductive valve core, a clamping concave part (201) is formed in the groove, an elastic buckle (401) is arranged on the second connecting terminal, the second connecting terminal (40) is slidably arranged in the groove, and the elastic buckle (401) is matched and clamped with the clamping concave part (201) so as to realize the hanging connection of the second hanging end (302) with the sliding groove.
  5. 5. A modular assembled pneumatic control device as claimed in any one of claims 1 to 4, wherein the air distribution circuit (21) comprises a cavity (211) and an air inlet channel (212), the valve body (2) is provided with an air inlet part (22) for externally connecting an air source and an air vent part (23) for connecting an air component, the air inlet channel (212) is communicated with the air inlet part (22), and the air inlet channel (212) is communicated with the cavity (211) through an air inlet (213); One end of the conductive valve core (32) is slidably inserted into the accommodating cavity (211), and the other end of the conductive valve core (32) extends out of the valve body (2) and is provided with the second conductive hanging part (20).
  6. 6. The modular assembled pneumatic control device according to claim 5, wherein the conductive assembly (4) comprises an elastic member (41) and a conductive member (42) which are arranged in the accommodating cavity (211), the elastic member (41) is connected or abutted against the conductive valve core (32), one end of the conductive member (42) is connected with at least one part of the elastic member (41), and the other end of the conductive member (42) penetrates through the valve body (2) and is electrically connected with the electronic control module (5).
  7. 7. The modular assembled pneumatic control device according to claim 6, wherein the valve body (2) is formed with a communication hole (24) communicating with the cavity (211), the conductive valve core (32) is inserted into the cavity (211) through the communication hole (24), and a positioning protrusion (25) is formed on the inner side wall of the cavity (211) along the outer periphery of the opening of the communication hole (24) in a protruding manner; The conductive piece (42) comprises a sleeving part (421) and an extending part (422) which are connected, the sleeving part (421) is sleeved on the positioning convex part (25), and the extending part (422) penetrates through the valve body (2) and is electrically connected with the electric control module (5); the elastic piece (41) is a spring piece, one end of the spring piece is sleeved on the conductive valve core (32), and the other end of the spring piece is sleeved on the sleeving part (421).
  8. 8. The modular assembled pneumatic control device according to claim 7, wherein the valve body (2) comprises a cover body (26) and a valve body (27) which are assembled and disassembled with each other, the cover body (26) and the valve body (27) are sequentially arranged along the length direction of the memory alloy wire (31), the communication hole (24) is arranged on the cover body (26) and is in a perforated structure, and the valve body (27) is provided with the containing cavity (211) and the air inlet channel (212).
  9. 9. The modular assembled pneumatic control device of claim 7, further comprising a seal (6) disposed within the cavity (211), the seal (6) configured such that when the electrically conductive spool (32) opens the air inlet (213), the seal (6) seals a gap between the electrically conductive spool (32) and the communication hole (24) to place the air distribution circuit (21) in the air inlet state.
  10. 10. The modular assembled pneumatic control device of claim 9, wherein the seal (6) is annular and is sleeved on the conductive valve core (32), the conductive valve core (32) is formed with a limit protrusion (322), and the seal (6) is arranged between the limit protrusion (322) and the positioning protrusion (25); When the conductive valve core (32) opens the air inlet, the limiting convex part (322), the sealing piece (6) and the positioning convex part (25) are in close contact in sequence, so that the sealing piece (6) completely seals a gap between the conductive valve core (32) and the communication hole (24), and the air distribution air path (21) is in the air inlet state.

Description

Pneumatic control device of modularization equipment Technical Field The application relates to the technical field of automobile parts, in particular to a modularized assembled pneumatic control device. Background The traditional automobile seat pneumatic controller mostly adopts an electromagnetic valve group to realize a control function, and the electromagnetic valve group is large in size, complex in processing and inconvenient to assemble, so that a controller structure for controlling the on-off of a gas circuit by adopting a memory alloy wire to drive a valve core is provided. The controller module controls the opening and closing of the air inlet valve and the air release valve through the telescopic movement of the memory alloy wire, so that the functions of inflating, deflating or maintaining pressure of the air bag are realized, and lumbar support is provided for a driver. However, the existing controller adopting the memory alloy wire is usually required to be fixed after the memory alloy wire is bent into a U shape, the length of the memory alloy wire is larger, the cost is higher, the bending radius of the memory alloy wire on the valve core is too small, the memory alloy wire is repeatedly stretched and rubbed after heating, the memory alloy wire is easy to break, the service life of the controller is too short, the memory alloy wire is more troublesome to connect with the circuit board and the valve core, and the assembly efficiency is reduced. Disclosure of Invention In order to solve the technical problem that the memory alloy wire is easy to break after repeated stretching and friction caused by the fact that the length of the memory alloy wire is large due to the fact that the U-shaped memory alloy wire is adopted by the existing memory alloy controller, the application provides a modularized assembled pneumatic control device, which comprises: The shell is internally provided with an electric control module, and the electric control module is provided with a first conductive hanging part; the valve body is arranged in the shell, and is provided with an air distribution air passage which has an air inlet state and an air leakage state; The control assembly is arranged in the shell and comprises a conductive valve core and a memory alloy wire, wherein at least one part of the conductive valve core is slidably inserted in the valve body to at least control the gas distribution circuit to switch between the gas inlet state and the gas leakage state, and one end of the conductive valve core is provided with a second conductive hanging part; One end of the conductive component is electrically connected with the conductive valve core, and the other end of the conductive component is electrically connected with the electric control module; wherein, the electric control module, the memory alloy wire, the conductive valve core and the conductive component jointly form a circuit loop. As an alternative embodiment, the first hanging end is provided with a first connecting terminal fixedly connected with the memory alloy wire; The first conductive hanging part is configured as a hanging groove formed on the electric control module, the first connecting terminal is provided with a clamping protrusion, the first connecting terminal is embedded in the hanging groove and is clamped with the hanging groove in a matching way so as to realize the hanging of the first hanging end and the hanging groove, or The first conductive hanging part is configured as a hanging stop block formed on the electric control module, the first connecting terminal is provided with a clamping groove, and the first connecting terminal is matched and clamped with the hanging stop block through the clamping groove so as to realize the hanging of the first hanging end and the hanging stop block. As an optional implementation manner, the first conductive hanging part is welded on the electric control module, or at least a part of the first conductive hanging part is spliced on the electric control module. As an alternative embodiment, the second hanging end is provided with a second connecting terminal fixedly connected with the memory alloy wire; The second conductive hanging part is configured as a groove formed on the conductive valve core, a clamping concave part is formed in the groove, an elastic buckle is arranged on the second connecting terminal, the second connecting terminal is slidably arranged in the groove, and the elastic buckle is matched and clamped with the clamping concave part so as to realize the hanging of the second hanging end and the sliding groove. As an optional implementation manner, the air distribution air path comprises a containing cavity and an air inlet channel, the valve body is provided with an air inlet part for externally connecting an air source and an air ventilation part for connecting an air component, the air inlet channel is communicated with the air inlet part, and the air inlet channel