Hair cooling and dust generating device and system for controlling PAO aerosol generation amount

Abstract

The utility model relates to the technical field of filter leak detection, and provides a cooling and dust generating device and system for controlling the PAO aerosol generation amount. The main body is provided with a cavity with a top opening; the end cover is hermetically connected to the top of the body; a first mounting hole, a second mounting hole and a third mounting hole which penetrate through the wall body of the end cover are formed in the end cover; the air pipe quick connector is hermetically connected in the third mounting hole; the double-sealing plug is connected in the second mounting hole in a sealing manner; a first through hole penetrating through the wall body of the double-sealing plug along the axis of the double-sealing plug is formed in the double-sealing plug; the PAO spray pipe penetrates through the first through hole and is sealed with the double-sealing plug, one end of the PAO spray pipe extends out of the double-sealing plug, and the other end of the PAO spray pipe extends to the bottom of the cavity; a second through hole communicated with the cavity is formed in the PAO spray pipe; the limiting fixing piece is arranged at the bottom of the cavity and limits vertical displacement and circumferential rotation of the PAO spray pipe. The utility model has the advantages of small structure and low cost.

Description

Technical Field

[0001] The utility model relates to the technical field of filter leakage detection, in particular to a cold-generated dust generator and a system for controlling the generation amount of PAO aerosol. Background Art

[0002] After the filter is installed in the equipment to be installed, it is necessary to check the filter for leaks. Most of the existing dust generators for checking the filter for leaks are purchased finished products, which are of poor practicality and expensive. Utility Model Content

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the above-mentioned problems existing in the prior art.

[0004] In order to solve the above technical problems, the utility model provides a cold-generating dust generator for controlling the amount of PAO aerosol generated, comprising:

[0005] A main body, provided with a cavity with an opening at the top;

[0006] The end cover is sealed and connected to the top of the main body; the end cover is provided with a first mounting hole, a second mounting hole and a third mounting hole penetrating through the wall thereof, and the first mounting hole, the second mounting hole and the third mounting hole are respectively connected to the cavity;

[0007] A single sealing plug, sealingly connected in the first mounting hole;

[0008] A trachea quick connector, sealed and connected to the end cover and communicated with the third mounting hole;

[0009] A double sealing plug is sealed and connected in the second mounting hole; the double sealing plug is provided with a first through hole penetrating through the wall along its axis;

[0010] The PAO nozzle is inserted into the first through hole and sealed with the double sealing plug, one end of the PAO nozzle extends out of the double sealing plug, and the other end extends to the bottom of the cavity; the PAO nozzle is provided with a second through hole communicating with the cavity;

[0011] The limiting fixing part is arranged at the bottom of the cavity, and is used to connect the PAO nozzle and the main body, and limit the upward and downward displacement and circumferential rotation of the PAO nozzle.

[0012] In one embodiment of the utility model, the limiting fixing member includes a mounting boss and a clamping member arranged at the bottom of the cavity; the mounting boss is provided with a mounting groove for mounting the end of the PAO nozzle; the clamping member is connected to the top of the mounting boss and clamps the end of the PAO nozzle to limit the up and down displacement of the PAO nozzle.

[0013] In one embodiment of the utility model, the clamping member includes a fixed block connected to the top of the mounting boss and a pressure plate detachably connected to the top of the fixed block; the pressure plate is provided with a protrusion protruding from the pressure plate wall and extending toward one side of the PAO nozzle; the outer wall of the PAO nozzle is provided with a connecting block protruding from its outer wall, and the protrusion is abutted against the upper surface of the connecting block.

[0014] In one embodiment of the present invention, the pressing plate and the fixing block are detachably connected via bolts.

[0015] In one embodiment of the present invention, there are two pressing members, and the two pressing members are symmetrically arranged on both sides of the PAO nozzle along the radial direction of the PAO nozzle.

[0016] In one embodiment of the utility model, the limiting fixing member also includes a limiting pin and a limiting hole matching the limiting pin; one of the limiting pin and the limiting hole is arranged on the mounting boss and the other is arranged on the connecting block; the limiting pin is vertically penetrated in the limiting hole.

[0017] In one embodiment of the present invention, a plurality of limiting holes are provided along the circumferential direction.

[0018] In one embodiment of the utility model, a main body flange is provided on the top of the main body; an end cover flange is provided on the bottom of the end cover; and the end cover flange is connected to the main body flange by a plurality of bolts.

[0019] In one embodiment of the present invention, the end cover is sealed and connected to the main body via an O-ring.

[0020] In order to solve the above technical problems, on the other hand, the utility model provides a cold-generating system for controlling the amount of PAO aerosol generated, including: the cold-generating dust generator, air compressor and equipment to be installed in the above embodiment; the cold-generating dust generator is connected to the air compressor and the equipment to be installed through hoses respectively.

[0021] The above technical solution of the utility model has the following advantages compared with the prior art:

[0022] The cold-generated dust generator and system for controlling the amount of PAO aerosol generated by the utility model have a compact structure, simple operation and low cost. In addition, it brings considerable economic benefits and achieves the purpose of reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0024] Figure 1 It is a structural schematic diagram of a cold-generating system for controlling the amount of PAO aerosol generated in a preferred embodiment of the utility model;

[0025] Figure 2 It is a three-dimensional schematic diagram of a cold-generated dust generator for controlling the amount of PAO aerosol generated in a preferred embodiment of the utility model;

[0026] Figure 3 yes Figure 2 Schematic diagram of the connection between the middle body and the limit fixing piece;

[0027] Figure 4 yes Figure 2 Side view of

[0028] Figure 5 yes Figure 4 AA section view;

[0029] Description of the reference numerals in the specification: 1000, cold-generating dust collector; 2000, air compressor; 3000, equipment to be installed;

[0030] 100, main body; 110, cavity; 120, main body flange;

[0031] 200, end cover; 210, first mounting hole; 220, second mounting hole; 230, third mounting hole; 240, end cover flange;

[0032] 300, single sealing plug;

[0033] 400, trachea quick connector;

[0034] 500, double sealing plug; 510, first through hole;

[0035] 600, PAO nozzle; 610, second through hole; 620, connecting block;

[0036] 700, limit fixing member; 710, mounting boss; 711, mounting groove; 720, fixing block; 730, pressure plate; 731, boss; 740, limit pin; 750, limit hole; 760, bolt. DETAILED DESCRIPTION

[0037] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0038] Reference Figure 1 to Figure 5As shown, the embodiment of the utility model provides a cold-generating system for controlling the amount of PAO aerosol generated, including: a cold-generating dust generator 1000, an air compressor 2000 and a device to be installed 3000. The air compressor 2000 and the device to be installed 3000 are respectively connected to the cold-generating dust generator 1000 through a hose. For example, the device to be installed 3000 is a bedroom RPT exhaust port. The cold-generating dust generator 1000 is connected to include a main body 100, an end cover 200, a single sealing plug 300, an air pipe quick connector 400, a double sealing plug 500, a PAO nozzle 600 and a limit fixing member 700.

[0039] The main body 100 is provided with a cavity 110 with a closed bottom and an open top. The end cap 200 is sealed and connected to the top of the main body 100. The end cap 200 is provided with a first mounting hole 210, a second mounting hole 220 and a third mounting hole 230 that penetrate the wall thereof, and the first mounting hole 210, the second mounting hole 220 and the third mounting hole 230 are respectively connected to the cavity 110. The single sealing plug 300 is threadedly connected in the first mounting hole 210, and the single sealing plug 300 is sealed and connected to the end cap 200. In some embodiments, an O-shaped groove is provided on the joint surface of the single sealing plug 300 connected to the end cap 200, and an O-shaped ring is installed in the O-shaped groove, and the O-shaped ring performs axial sealing on the single sealing plug 300 and the end cap 200, so that the sealing effect is better. The single sealing plug 300 can be used for the injection of PAO aerosol. The trachea quick connector 400 is sealed and connected to the end cap 200, and the trachea quick connector 400 is connected to the third mounting hole 230. The air pipe quick connector 400 can be connected to the air source (ie, the air compressor 2000) via a hose, and a regulating valve is provided on the hose, and the flow rate can be controlled by the regulating valve.

[0040] The double sealing plug 500 is threadedly connected in the second mounting hole 220, and the double sealing plug 500 is sealed and connected to the end cover 200. In some embodiments, the joint surface of the double sealing plug 500 connected to the end cover 200 is provided with an O-shaped groove, and an O-shaped ring is installed in the O-shaped groove. The O-shaped ring axially seals the double sealing plug 500 and the end cover 200, so that the sealing effect is better. The double sealing plug 500 is provided with a first through hole 510 that penetrates its wall along its axis. The PAO nozzle 600 is penetrated in the first through hole 510 and is sealed with the double sealing plug 500. In some embodiments, the inner wall of the first through hole 510 is provided with an O-shaped groove along the circumferential direction, and an O-shaped ring is installed in the O-shaped groove. The O-shaped ring radially seals the PAO nozzle 600 and the double sealing plug 500, so that the sealing effect is better. One end of the PAO nozzle 600 extends out of the double sealing plug 500, and the other end extends to the bottom of the cavity 110. The PAO nozzle 600 is provided with a second through hole 610 communicating with the cavity 110. The limiting fixture 700 is provided at the bottom of the cavity 110, and is used to connect the PAO nozzle 600 with the main body 100, and to limit the PAO nozzle 600 from shifting up and down and rotating in the circumferential direction.

[0041] In this embodiment, PAO aerosol can be poured into the cavity 110 through the first installation hole 210, and after the pouring is completed, the first installation hole 210 is blocked by the single sealing plug 300. Then, the air in the cavity 110 is pressurized by the air pipe quick connector 400 and the air compressor 2000, and then the pressurized PAO aerosol enters the device to be installed 3000 through the second through hole 610 and the PAO nozzle 600, so as to detect the leak of the filter of the device to be installed 3000.

[0042] The invention has a compact structure, simple operation and low cost, thus bringing considerable economic benefits and achieving the purpose of reducing costs.

[0043] Furthermore, the limiting fixing member 700 includes a mounting boss 710 and a clamping member arranged at the bottom of the cavity 110; the mounting boss 710 is provided with a mounting groove 711 for mounting the end of the PAO nozzle 600; the clamping member is connected to the top of the mounting boss 710 and clamps the end of the PAO nozzle 600 to limit the up and down displacement of the PAO nozzle 600.

[0044] Further, the clamping member includes a fixing block 720 connected to the top of the mounting boss 710 and a pressing plate 730 detachably connected to the top of the fixing block 720; the pressing plate 730 is provided with a protrusion 731 protruding from the wall of the pressing plate 730 and extending toward one side of the PAO nozzle 600; the outer wall of the PAO nozzle 600 is provided with a connecting block 620 protruding from its outer wall, and the protrusion 731 is abutted against the upper surface of the connecting block 620. The pressing plate 730 and the fixing block 720 are detachably connected by bolts 760. Specifically, the pressing plate 730 of this embodiment is pressed on the upper surface of the connecting block 620, and then the pressing plate 730 and the fixing block 720 are fixedly connected by bolts 760, thereby realizing the restriction of the up and down displacement of the PAO nozzle 600, with a simple structure and convenient installation.

[0045] Further, there are two pressing members, which are symmetrically arranged on both sides of the PAO nozzle 600 along the radial direction of the PAO nozzle 600. Specifically, the two pressing members make the restriction on the up and down movement of the PAO nozzle 600 more reliable.

[0046] Furthermore, the limiting fixing member 700 also includes a limiting pin 740 and a limiting hole 750 matching the limiting pin 740; one of the limiting pin 740 and the limiting hole 750 is provided on the mounting boss 710 and the other is provided on the connecting block 620; the limiting pin 740 is vertically penetrated in the limiting hole 750. In some embodiments, the limiting pin 740 is provided at the top of the mounting boss 710, and the limiting pin 740 extends along the axial direction of the PAO nozzle 600. The limiting hole 750 is provided on the connecting block 620. Specifically, the limiting pin 740 provided in this embodiment is vertically penetrated in the limiting hole 750 to limit the PAO nozzle 600 circumferentially, thereby preventing the PAO nozzle 600 from rotating circumferentially during use, and ensuring the stability of the present application.

[0047] Furthermore, a plurality of the limiting holes 750 are provided along the circumferential direction. Specifically, the limiting pin 740 can be quickly inserted into the limiting hole 750 in this embodiment.

[0048] Furthermore, a main body flange 120 is provided at the top of the main body 100; an end cover flange 240 is provided at the bottom of the end cover 200; and the end cover flange 240 is connected to the main body flange 120 by a plurality of bolts. Specifically, this connection method is convenient and quick to install and disassemble, and has low cost.

[0049] Furthermore, the end cap 200 is sealed and connected to the main body 100 via an O-ring. In some embodiments, an O-groove is provided on the joint surface of the main body flange 120 connected to the end cap flange 240, and an O-ring is installed in the O-groove to achieve axial sealing between the end cap 200 and the main body 100. An O-groove is also provided on the joint surface where the inner wall of the cavity 110 is connected to the end cap 200, and an O-ring is installed in the O-groove to achieve radial sealing between the end cap 200 and the main body 100. Specifically, this embodiment can achieve radial sealing and axial sealing between the end cap 200 and the main body 100, achieve double sealing, and ensure overall airtightness.

[0050] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A cold-generating dust generator for controlling the amount of PAO aerosol generated, characterized in that: include: A main body, provided with a cavity with an opening at the top; An end cover is sealed and connected to the top of the main body; the end cover is provided with a first mounting hole, a second mounting hole and a third mounting hole penetrating through the wall thereof, and the first mounting hole, the second mounting hole and the third mounting hole are respectively connected to the cavity; A single sealing plug, sealingly connected in the first mounting hole; A trachea quick connector, sealed and connected to the end cover and communicated with the third mounting hole; A double sealing plug is sealed and connected in the second mounting hole; the double sealing plug is provided with a first through hole penetrating through the wall along its axis; A PAO nozzle is inserted into the first through hole and sealed with the double sealing plug, one end of the PAO nozzle extends out of the double sealing plug, and the other end extends to the bottom of the cavity; the PAO nozzle is provided with a second through hole communicating with the cavity; The limiting fixing member is arranged at the bottom of the cavity, and is used to connect the PAO nozzle and the main body, and limit the upward and downward displacement and circumferential rotation of the PAO nozzle.

2. The cold-generated dust generator for controlling the amount of PAO aerosol generated according to claim 1, characterized in that: The limiting fixing member includes a mounting boss and a clamping member arranged at the bottom of the cavity; the mounting boss is provided with a mounting groove for mounting the end of the PAO nozzle; the clamping member is connected to the top of the mounting boss and clamps the end of the PAO nozzle to limit the up and down displacement of the PAO nozzle.

3. The cold-generated dust generator for controlling the amount of PAO aerosol generated according to claim 2, characterized in that: The clamping member includes a fixed block connected to the top of the mounting boss and a pressure plate detachably connected to the top of the fixed block; the pressure plate is provided with a protrusion protruding from the pressure plate wall and extending toward one side of the PAO nozzle; the outer wall of the PAO nozzle is provided with a connecting block protruding from its outer wall, and the protrusion is abutted against the upper surface of the connecting block.

4. The cold-generated dust generator for controlling the amount of PAO aerosol generated according to claim 3, characterized in that: The pressing plate is detachably connected to the fixing block via bolts.

5. The cold-generated dust generator for controlling the amount of PAO aerosol generated according to claim 3, characterized in that: There are two pressing members, and the two pressing members are symmetrically arranged on both sides of the PAO nozzle along the radial direction of the PAO nozzle.

6. The cold-generated dust generator for controlling the amount of PAO aerosol generated according to claim 3, characterized in that: The limiting fixing member also includes a limiting pin and a limiting hole matching the limiting pin; one of the limiting pin and the limiting hole is arranged on the mounting boss and the other is arranged on the connecting block; the limiting pin is vertically penetrated in the limiting hole.

7. The cold-generated dust generator for controlling the amount of PAO aerosol generated according to claim 6, characterized in that: A plurality of the limiting holes are arranged along the circumferential direction.

8. The cold-generated dust generator for controlling the amount of PAO aerosol generated according to claim 1, characterized in that: A main body flange is provided at the top of the main body; an end cover flange is provided at the bottom of the end cover; and the end cover flange is connected to the main body flange via a plurality of bolts.

9. The cold-generated dust generator for controlling the amount of PAO aerosol generated according to claim 8, characterized in that: The end cover is sealed and connected to the main body via an O-ring.

10. A cold-release system for controlling the amount of PAO aerosol generated, characterized in that: The cold dust generator, air compressor and equipment to be installed according to any one of claims 1 to 9; the cold dust generator is connected to the air compressor and the equipment to be installed respectively through a hose.

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