CN219104655U

CN219104655U - Mask filtering efficiency detector

Info

Publication number: CN219104655U
Application number: CN202222811313.8U
Authority: CN
Inventors: 张玲; 张建刚; 张金富; 冯海波
Original assignee: Shandong Nashihuakai Biotechnology Co ltd
Current assignee: Shandong Nashihuakai Biotechnology Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-30
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the technical field of filtering detection, in particular to a mask filtering efficiency detector which improves the sealing effect of a mask, saves the clamping time of the mask, ensures more accurate detection results, ensures the accuracy of measurement, simplifies complex manual adjustment work, shortens the testing time and improves the working efficiency; the device comprises a base, a lower clamping table and a detection device, wherein the lower clamping table is arranged at the top end of the base, an air inlet through hole is formed in the upper surface of the lower clamping table, the detection device is arranged at the top end of the base, and the output end of the detection device is communicated with the air inlet through hole; still include drive arrangement, sealing device and automatic checkout device, drive arrangement includes two risers, two roof and two electric telescopic handle, and drive arrangement installs on the top of base, and drive arrangement's bottom is connected with sealing device's top, and sealing device is located the top of clamp down the platform, and automatic checkout device installs in sealing device.

Description

Mask filtering efficiency detector

Technical Field

The utility model relates to the technical field of filtering detection, in particular to a mask filtering efficiency detector.

Background

The mask filtering efficiency detector is an auxiliary device for detecting the filtering efficiency of the mask, and is widely used in the field of filtering detection; the existing mask filtering efficiency detector comprises a base, a lower clamping table and a detection device, wherein the lower clamping table is arranged at the top end of the base, an air inlet through hole is formed in the upper surface of the lower clamping table, the detection device is arranged at the top end of the base, and the output end of the detection device is communicated with the air inlet through hole; when the existing mask filtering efficiency detector is used, firstly, a mask is placed on the upper surface of a lower clamping table, then edge gaps of the mask are bonded through hot melt adhesive, and then a detection device is started for detection; the existing mask filtering efficiency detector is found in use, and in the using process of the hot melt adhesive, the hot melt adhesive can generate pungent taste and smog to influence the health of detection personnel, and meanwhile, the mask is time-consuming and labor-consuming to bond, and leakage points are easily generated at the edge of the mask.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the mask filtering efficiency detector which improves the sealing effect of the mask, saves the clamping time of the mask, ensures more accurate detection results, ensures the accuracy of measurement, simplifies complex manual adjustment work, shortens the testing time and improves the working efficiency.

The utility model relates to a mask filtering efficiency detector which comprises a base, a lower clamping table and a detection device, wherein the lower clamping table is arranged at the top end of the base; the automatic detection device is arranged in the sealing device; the driving device drives the sealing device to seal the mask, so that the sealing effect of the mask is further improved, the clamping time of the mask is saved, the detection result is more accurate, the automatic detection device ensures the accuracy of measurement, meanwhile, the complicated manual adjustment work is simplified, the testing time is shortened, and the working efficiency is improved.

Preferably, the driving device comprises two vertical plates, two top plates and two electric telescopic rods, wherein the bottom ends of the two vertical plates are connected with the bottom end of the base, the two vertical plates are symmetrically arranged at the two ends of the lower clamping table, the two sides of the bottom end of the top plate are respectively connected with the top ends of the vertical plates, the two electric telescopic rods are symmetrically arranged at the top ends of the top plates, and the telescopic ends of the two electric telescopic rods penetrate through the bottom ends of the top plates and are connected with the top ends of the sealing device; the electric telescopic rod is started to drive the sealing device to move downwards to seal the mask, so that the time for sealing and installing the mask is saved, the detection efficiency is improved, and the practicability is improved.

Preferably, the sealing device comprises an upper clamping table, a boss and a sealing ring, wherein the two top ends of the upper clamping table are respectively connected with the telescopic ends of the electric telescopic rods, a groove is formed in the lower surface of the upper clamping table, the boss is arranged at the position, corresponding to the groove, of the upper surface of the lower clamping table, the groove and the boss are matched with each other, the upper surface of the upper clamping table is provided with a first air inlet channel communicated with the groove, the boss is provided with an air inlet hole communicated with the first air inlet channel, the sealing ring is arranged on the lower surface of the upper clamping table and positioned on the outer side of the groove, and a sealing groove is arranged on the position, corresponding to the sealing ring, of the upper surface of the lower clamping table; starting electric telescopic handle, making electric telescopic handle's flexible end extension, making and pressing from both sides tight platform down and moving, go up the recess of pressing from both sides tight bench lower surface and pressing from both sides tight bench boss and contact down, the sealing washer removes to in the seal groove simultaneously, presss from both sides tightly fixedly to the mask, and sealed effect is better, has avoided carrying out the problem that the bonding of edge gap brought through the hot melt adhesive, labour saving and time saving improves work efficiency, guarantees that the staff's is healthy.

Preferably, the automatic detection device comprises two particulate matter concentration sensors, a differential pressure sensor, a control console, a display screen and an operation panel, wherein the two particulate matter concentration sensors are respectively arranged in a first air inlet channel and an air inlet hole of the upper clamping table; the aerosol particle concentration at two sides of the mask is automatically detected and calculated through the two particle concentration sensors, so that the manual operation test error is reduced, the measurement accuracy and consistency are ensured, the upper side pressure and the lower side pressure of the mask are automatically calculated through the pressure difference sensor, and the differential pressure is automatically calculated and generated; and the detected pressure difference is displayed through the display screen, so that an operator can check and record conveniently, meanwhile, the display screen can display the concentration of aerosol particles detected by the particulate matter concentration sensor, and the operator can directly operate the operation steps through the operation panel, so that the detected data can be displayed intuitively, the operator can operate the next step according to real-time data conveniently, and the working efficiency of the detection process is further improved.

Preferably, the detection device comprises a vacuum pump, an air inlet pipe, an aerosol generator and a connecting pipe, wherein the vacuum pump is arranged at the top end of the base, the air inlet pipe is arranged at the top end of the vacuum pump, the left end of the vacuum pump is connected with the right end of the aerosol generator, the right end of the aerosol generator is connected with the left end of the connecting pipe, and the output end of the connecting pipe is communicated with the air inlet through hole; the aerosol generator is started, continuous and stable aerosol particles can be generated by the aerosol generator, and under the action of the vacuum pump, the aerosol particles flow from the connecting pipe to the upper clamping table along the air inlet through hole and the air inlet hole, so that the automatic detection device detects, the vacuum pump is adopted as a power source of the tester, the limitation of the space of a test field is avoided, the flexibility is stronger, and the practicability is improved.

Preferably, the anti-skid support comprises a plurality of support legs and a plurality of mounting plates, wherein the top ends of the support legs are connected with the bottom end of the base, the support legs are symmetrically arranged at the bottom end of the base, the bottom ends of the support legs are connected with the top ends of the mounting plates, and anti-skid rubber pads are arranged at the bottom ends of the mounting plates; support the device through the landing leg, the mounting panel improves the area of contact with ground, and the antiskid rubber pad of mounting panel bottom increases the friction with the face of placing simultaneously, improves the stability of device.

Compared with the prior art, the utility model has the beneficial effects that: the driving device drives the sealing device to seal the mask, so that the sealing effect of the mask is further improved, the clamping time of the mask is saved, the detection result is more accurate, the automatic detection device ensures the accuracy of measurement, meanwhile, the complicated manual adjustment work is simplified, the testing time is shortened, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is a right side view of the present utility model;

the reference numerals in the drawings: 1. a base; 2. a lower clamping table; 3. an air inlet through hole; 4. a riser; 5. a top plate; 6. an electric telescopic rod; 7. an upper clamping table; 8. a groove; 9. a boss; 10. a seal ring; 11. an air inlet hole; 12. sealing grooves; 13. a particulate matter concentration sensor; 14. a differential pressure sensor; 15. a console; 16. a display screen; 17. an operation panel; 18. a vacuum pump; 19. an air inlet pipe; 20. an aerosol generator; 21. a connecting pipe; 22. a support leg; 23. and (3) mounting a plate.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

The lower clamping table 2 is arranged at the top end of the base 1, the upper surface of the lower clamping table 2 is provided with an air inlet through hole 3, the detection device is arranged at the top end of the base 1, and the output end of the detection device is communicated with the air inlet through hole 3; the automatic detection device is characterized by further comprising a driving device, a sealing device and an automatic detection device, wherein the driving device is arranged at the top end of the base 1, the bottom end of the driving device is connected with the top end of the sealing device, the sealing device is positioned above the lower clamping table 2, and the automatic detection device is arranged in the sealing device;

the driving device comprises two vertical plates 4, two top plates 5 and two electric telescopic rods 6, wherein the bottom ends of the two vertical plates 4 are connected with the bottom end of the base 1, the two vertical plates 4 are symmetrically arranged at the two ends of the lower clamping table 2, the two sides of the bottom end of the top plate 5 are respectively connected with the top ends of the vertical plates 4, the two electric telescopic rods 6 are symmetrically arranged at the top ends of the top plates 5, and the telescopic ends of the two electric telescopic rods 6 penetrate through the bottom ends of the top plates 5 and are connected with the top ends of the sealing device;

the sealing device comprises an upper clamping table 7, a boss 9 and a sealing ring 10, wherein two top ends of the upper clamping table 7 are respectively connected with the telescopic ends of the electric telescopic rods 6, a groove 8 is formed in the lower surface of the upper clamping table 7, the boss 9 is arranged at a position, corresponding to the groove 8, of the upper surface of the lower clamping table 2, the groove 8 and the boss 9 are matched with each other, a first air inlet channel communicated with the groove 8 is formed in the upper surface of the upper clamping table 7, an air inlet hole 11 communicated with the first air inlet channel is formed in the boss 9, the sealing ring 10 is arranged on the lower surface of the upper clamping table 7 and located on the outer side of the groove 8, and a sealing groove 12 is formed in the position, corresponding to the sealing ring 10, of the upper surface of the lower clamping table 2;

the automatic detection device comprises two particulate matter concentration sensors 13, a pressure difference sensor 14, a control console 15, a display screen 16 and an operation panel 17, wherein the two particulate matter concentration sensors 13 are respectively arranged in a first air inlet channel and an air inlet hole 11 of the upper clamping table 7, the pressure difference sensor 14 is arranged at the first air inlet channel at the top end of the upper clamping table 7, the control console 15 is arranged at the top end of the base 1, the display screen 16 is arranged at the front end of the upper part of the control console 15, and the operation panel 17 is arranged at the front end of the lower part of the control console 15;

the detection device comprises a vacuum pump 18, an air inlet pipe 19, an aerosol generator 20 and a connecting pipe 21, wherein the vacuum pump 18 is arranged at the top end of the base 1, the air inlet pipe 19 is arranged at the top end of the vacuum pump 18, the left end of the vacuum pump 18 is connected with the right end of the aerosol generator 20, the right end of the aerosol generator 20 is connected with the left end of the connecting pipe 21, and the output end of the connecting pipe 21 is communicated with the air inlet through hole 3;

the base 1 further comprises a plurality of supporting legs 22 and a plurality of mounting plates 23, wherein the top ends of the supporting legs 22 are connected with the bottom end of the base 1, the supporting legs 22 are symmetrically arranged at the bottom end of the base 1, the bottom ends of the supporting legs 22 are connected with the top ends of the mounting plates 23, and anti-skid rubber pads are arranged at the bottom ends of the mounting plates 23;

starting an electric telescopic rod 6 to drive a sealing device to move downwards to seal a mask, saving the time for sealing and installing the mask, improving the detection efficiency and the practicability, starting the electric telescopic rod 6 to enable the telescopic end of the electric telescopic rod 6 to extend, enabling an upper clamping table 7 to move downwards, enabling a groove 8 on the lower surface of the upper clamping table 7 to be in contact with a boss 9 on a lower clamping table 2, enabling a sealing ring 10 to move into a sealing groove 12 to clamp and fix the mask, enabling the sealing effect to be better, avoiding the problem caused by bonding of edge gaps through hot melt adhesive, saving time and labor, improving the working efficiency, guaranteeing the physical health of staff, automatically detecting and calculating the aerosol particle concentration on two sides of the mask through two particle concentration sensors 13, reducing human operation test errors, guaranteeing the measurement accuracy and consistency, and automatically calculating the upper side pressure and the lower side pressure of the mask through a pressure difference sensor 14 and automatically calculating and generating differential pressure; and show the pressure differential that detects through display screen 16, make things convenient for operating personnel to look over and record, simultaneously, display screen 16 can demonstrate the aerosol particle concentration that particulate matter concentration sensor 13 detected, moreover operating personnel can directly carry out operation procedure through operating panel 17, can audio-visual data show out, also make things convenient for operating personnel to carry out next operation according to real-time data, further improve the work efficiency of testing process, start aerosol generator 20, aerosol generator 20 can produce continuous and stable aerosol particle, under the effect of vacuum pump 18, aerosol particle flows to clamp table 7 along inlet port 3 and inlet port 11 from connecting pipe 21, and make automatic checkout device detect, adopt vacuum pump 18 as the power supply of tester, not limited by test site space, the flexibility is stronger, improve the practicality, support the device through landing leg 22, mounting panel 23 improves the area of contact with the ground, the anti-skidding rubber pad of mounting panel 23 bottom increases the friction with the face of placing simultaneously, improve the stability of device.

As shown in fig. 1 to 4, in the mask filtration efficiency detector of the present utility model, when in operation, firstly, a mask is placed on a boss 9, then an electric telescopic rod 6 is started, a telescopic end of the electric telescopic rod 6 is extended, an upper clamping table 7 is moved downwards, a groove 8 on the lower surface of the upper clamping table 7 is contacted with the boss 9 on a lower clamping table 2, a sealing ring 10 is moved into a sealing groove 12 to clamp and fix and seal the mask, then an aerosol generator 20 and a vacuum pump 18 are started, the aerosol generator 20 generates continuous and stable aerosol particles, under the action of the vacuum pump 18, the aerosol particles flow from a connecting pipe 21 to an upper clamping table 7 along an air inlet hole 3 and an air inlet hole 11, the aerosol particle concentration on both sides of the mask is automatically detected and calculated by two particle concentration sensors 13, a differential pressure sensor 14 automatically calculates the upper side pressure and the lower side pressure of the mask, the detected differential pressure is displayed by a display screen 16, so that an operator can conveniently check and record the mask, and simultaneously, the display screen 16 can detect the aerosol particle concentration by the particle concentration sensor 13, and the operator can directly record the aerosol particle concentration by the operation panel 17.

The main functions realized by the utility model are as follows: the aerosol particle concentration on two sides of the mask is automatically detected and calculated through the particle concentration sensor 13, so that manual operation testing errors are reduced, measurement accuracy and consistency are guaranteed, complex manual adjustment work is simplified, testing time is shortened, the driving device controls the relative distance between the lower clamping table 2 and the upper clamping table 7, clamping time of the mask is further saved while clamping reliability and tightness are guaranteed, a convenient operation interface and real-time data display are provided for operators through the display screen 16 and the operation panel 17, detected data can be displayed on the display screen 16 in real time, and the testing process is more visual and convenient.

The mask filtering efficiency detector has the advantages that the installation mode, the connection mode or the setting mode are all common mechanical modes, and the mask filtering efficiency detector can be implemented as long as the beneficial effects can be achieved; the particulate matter concentration sensor 13, the differential pressure sensor 14 and the vacuum pump 18 of the mask filtration efficiency detector of the present utility model are purchased on the market, and those skilled in the art only need to install and operate according to the attached instructions without the need for creative efforts of those skilled in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a gauze mask filtration efficiency detector, includes base (1), lower clamp bench (2) and detection device, and lower clamp bench (2) are installed on the top of base (1), and the upper surface of lower clamp bench (2) is provided with inlet opening (3), and detection device installs on the top of base (1) and detection device's output and inlet opening (3) intercommunication; the automatic detection device is characterized by further comprising a driving device, a sealing device and an automatic detection device, wherein the driving device is arranged at the top end of the base (1), the bottom end of the driving device is connected with the top end of the sealing device, the sealing device is positioned above the lower clamping table (2), and the automatic detection device is arranged in the sealing device;

the driving device comprises two vertical plates (4), two top plates (5) and two electric telescopic rods (6), wherein the bottom ends of the two vertical plates (4) are connected with the bottom end of the base (1), the two vertical plates (4) are symmetrically arranged at the two ends of the lower clamping table (2), the two sides of the bottom end of the top plate (5) are respectively connected with the top ends of the vertical plates (4), the two electric telescopic rods (6) are symmetrically arranged at the top ends of the top plate (5), and the telescopic ends of the two electric telescopic rods (6) penetrate through the bottom ends of the top plate (5) to be connected with the top ends of the sealing device;

the sealing device comprises an upper clamping table (7), a boss (9) and a sealing ring (10), wherein two top ends of the upper clamping table (7) are respectively connected with the telescopic ends of the electric telescopic rods (6), a groove (8) is formed in the lower surface of the upper clamping table (7), the boss (9) is arranged at the position, corresponding to the groove (8), of the upper surface of the lower clamping table (2), the groove (8) and the boss (9) are matched with each other, a first air inlet channel communicated with the groove (8) is formed in the upper surface of the upper clamping table (7), an air inlet hole (11) communicated with the first air inlet channel is formed in the boss (9), the sealing ring (10) is arranged on the lower surface of the upper clamping table (7) and located on the outer side of the groove (8), and a sealing groove (12) is formed in the position, corresponding to the sealing ring (10), of the upper surface of the lower clamping table (2).

The automatic detection device comprises two particulate matter concentration sensors (13), a differential pressure sensor (14), a control console (15), a display screen (16) and an operation panel (17), wherein the two particulate matter concentration sensors (13) are respectively installed in a first air inlet channel and an air inlet hole (11) of an upper clamping table (7), the differential pressure sensor (14) is installed at the first air inlet channel at the top end of the upper clamping table (7), the control console (15) is installed at the top end of a base (1), the display screen (16) is installed at the front end of the upper part of the control console (15), and the operation panel (17) is installed at the front end of the lower part of the control console (15).

2. The mask filtering efficiency detector according to claim 1, wherein the detecting device comprises a vacuum pump (18), an air inlet pipe (19), an aerosol generator (20) and a connecting pipe (21), the vacuum pump (18) is arranged at the top end of the base (1), the air inlet pipe (19) is arranged at the top end of the vacuum pump (18), the left end of the vacuum pump (18) is connected with the right end of the aerosol generator (20), the right end of the aerosol generator (20) is connected with the left end of the connecting pipe (21), and the output end of the connecting pipe (21) is communicated with the air inlet through hole (3).

3. The mask filtering efficiency detector according to claim 1, further comprising a plurality of supporting legs (22) and a plurality of mounting plates (23), wherein the top ends of the supporting legs (22) are connected with the bottom end of the base (1), the supporting legs (22) are symmetrically arranged at the bottom end of the base (1), the bottom ends of the supporting legs (22) are connected with the top ends of the mounting plates (23), and anti-skid rubber pads are arranged at the bottom ends of the mounting plates (23).