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CN-224214833-U - External safety pressure relief device for vacuum equipment

CN224214833UCN 224214833 UCN224214833 UCN 224214833UCN-224214833-U

Abstract

The utility model discloses an external safety pressure relief device for vacuum equipment, which belongs to the technical field of vacuum equipment and comprises an electric pressure relief valve, wherein the right end of the electric pressure relief valve is fixedly communicated with a pressure relief pipe, the left end of the electric pressure relief valve is fixedly communicated with a detection pipe, the outer surface of the detection pipe is provided with a detection hole, the inner wall of the detection hole is fixedly connected with a threaded pipe, the top end of the threaded pipe is provided with a sealing cap, the inner ring of the sealing cap is in threaded connection with the outer surface of the threaded pipe, the inner top wall of the sealing cap is fixedly provided with an air pressure sensor, the bottom end of the air pressure sensor penetrates through the detection hole and extends to the inside of the detection pipe, the front surface of the electric pressure relief valve is fixedly provided with a microcontroller, and the left end of the detection pipe is fixedly communicated with a flange. This external safety pressure release ware for vacuum equipment can be adjusted according to different vacuum pressure, reaches the effect of automatic pressure release, improves the flexibility when releasing the pressure to vacuum equipment.

Inventors

  • LIAO BO
  • WANG JIALIANG

Assignees

  • 四川华源恒智科技有限公司

Dates

Publication Date
20260508
Application Date
20250616

Claims (7)

  1. 1. The utility model provides an external safety pressure relief device for vacuum equipment, includes electronic relief valve (1), a serial communication port, the right-hand member of electronic relief valve (1) is fixed to be linked together and is had relief pipe (8), the left end of electronic relief valve (1) is fixed to be linked together and is had detection tube (2), detection hole (3) have been seted up to the surface of detection tube (2), the inner wall fixedly connected with screwed pipe (4) of detection hole (3), the top of screwed pipe (4) is equipped with sealed cap (5), the inner circle of sealed cap (5) and the surface threaded connection of screwed pipe (4), the interior roof fixed mounting of sealed cap (5) has baroceptor (6), the inside that detection hole (3) and extension to detection tube (2) were run through to the bottom of baroceptor (6), the front fixed mounting of electronic relief valve (1) has microcontroller (7).
  2. 2. The external safety pressure release device for the vacuum equipment according to claim 1, wherein the left end of the detection tube (2) is fixedly communicated with a flange (14), and a plurality of connecting holes (17) are formed in the left side surface of the flange (14).
  3. 3. The external safety pressure relief device for the vacuum equipment according to claim 2, wherein an annular concave hole (15) is formed in the left side surface of the flange (14), and a sealing gasket (16) is arranged in the annular concave hole (15).
  4. 4. The external safety pressure release device for the vacuum equipment according to claim 1, wherein a rotating block (10) is arranged above the sealing cap (5), and the bottom surface of the rotating block (10) is fixedly connected with the upper surface of the sealing cap (5).
  5. 5. The external safety pressure relief device for the vacuum equipment according to claim 1, wherein a nameplate (12) is fixedly connected to the back of the electric pressure relief valve (1), and a warning plate (11) is fixedly connected to the front of the electric pressure relief valve (1).
  6. 6. The external safety pressure relief device for the vacuum equipment according to claim 1, wherein the inner ring of the pressure relief pipe (8) is fixedly connected with a grid plate (9), and the top end of the electric pressure relief valve (1) is fixedly connected with a hexagonal plate (13).
  7. 7. The external safety pressure relief device for the vacuum equipment according to claim 1, wherein the air pressure sensor (6) is electrically connected with the microcontroller (7) through a wire, and the microcontroller (7) is electrically connected with the electric pressure relief valve (1) through a wire.

Description

External safety pressure relief device for vacuum equipment Technical Field The utility model relates to the field of vacuum equipment, in particular to an external safety pressure relief device for vacuum equipment. Background Vacuum equipment is a device for generating, improving and maintaining vacuum, and comprises vacuum application equipment and vacuum acquisition equipment, wherein a pressure release device is often required to release and discharge the pumped air when the vacuum equipment is operated. At present, when vacuum equipment is subjected to pressure relief, a mechanical pressure relief valve is usually used for automatic control, but is difficult to adjust according to different vacuum pressures, the effect of automatic pressure relief cannot be achieved, and the flexibility in the process of pressure relief of the vacuum equipment is reduced. Disclosure of utility model The utility model aims to provide an external safety pressure release device for vacuum equipment, so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an external safety pressure relief device for vacuum equipment, includes electronic relief valve, the right-hand member fixed communication of electronic relief valve has the relief pipe, the left end fixed communication of electronic relief valve has the check tube, the detection hole has been seted up to the surface of check tube, the inner wall fixedly connected with screwed pipe of detection hole, the top of screwed pipe is equipped with the sealing cap, the inner circle of sealing cap and the surface threaded connection of screwed pipe, the interior roof fixed mounting of sealing cap has barometric sensor, the inside of check hole and extension to the check tube is run through to barometric sensor's bottom, the front fixed mounting of electronic relief valve has microcontroller. As a still further scheme of the utility model, the left end of the detection tube is fixedly communicated with a flange, and the left side surface of the flange is provided with a plurality of connecting holes. As a still further scheme of the utility model, the left side surface of the flange is provided with an annular concave hole, and a sealing gasket is arranged in the annular concave hole. As a still further proposal of the utility model, a rotating block is arranged above the sealing cap, and the bottom surface of the rotating block is fixedly connected with the upper surface of the sealing cap. As a still further scheme of the utility model, the back of the electric pressure relief valve is fixedly connected with a nameplate, and the front of the electric pressure relief valve is fixedly connected with a warning plate. As a still further scheme of the utility model, the inner ring of the pressure relief pipe is fixedly connected with a grid plate, and the top end of the electric pressure relief valve is fixedly connected with a hexagonal plate. As a still further proposal of the utility model, the air pressure sensor is electrically connected with the microcontroller through a wire, and the microcontroller is electrically connected with the electric pressure relief valve through a wire. Compared with the prior art, the utility model has the beneficial effects that: This external safety pressure release ware for vacuum equipment, through the detecting tube that is equipped with, can communicate with vacuum equipment, utilize detection hole and screwed pipe, can install sealed cap and air pressure sensor, utilize air pressure sensor, play the characteristics to vacuum equipment internal pressure automated inspection, simultaneously with the cooperation of the outside microcontroller of electronic relief valve, can start or close electronic relief valve according to vacuum equipment's pressure numerical value, can adjust according to different vacuum pressure, reach the effect of automatic pressure release, improve the flexibility when releasing the pressure to vacuum equipment. Drawings FIG. 1 is a schematic perspective view of an external safety pressure relief for a vacuum apparatus; FIG. 2 is a schematic perspective view of a rear view of an external safety pressure relief for a vacuum apparatus; FIG. 3 is a cross-sectional view of a front view of a relief tube in an external safety relief for a vacuum apparatus; Fig. 4 is an enlarged schematic view of the structure of the external safety pressure release device in fig. 3a for a vacuum apparatus. The device comprises a motor-driven pressure release valve, a detection tube, a detection hole, a threaded tube, a sealing cap, a pneumatic sensor, a microcontroller, a pressure release tube, a grid plate, a rotary block, a warning plate, a nameplate, a 13, a hexagonal plate, a 14, a flange, a 15, an annular concave hole, a 16, a sealing gasket, a 17 and a connecting hole, wherein the motor-driven pressu