CN220729960U

CN220729960U - Dust concentration monitoring and repairing instrument

Info

Publication number: CN220729960U
Application number: CN202321981674.5U
Authority: CN
Inventors: 李正伟
Original assignee: Hunan Shiji Tianyuan Environmental Protection Technology Co ltd
Current assignee: Hunan Shiji Tianyuan Environmental Protection Technology Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-04-05
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a dust concentration monitoring and repairing instrument which is provided with a base, wherein a monitor body is detachably connected to the base, the monitor body comprises a measuring cavity, one side of the measuring cavity is fixedly connected with a junction box, a display module is arranged on the junction box, the measuring cavity is provided with an air outlet and an air inlet, an air pump is arranged on the base and communicated with the air outlet, an air inlet switching seat is arranged on the base, a heating gas collecting pipe, a conventional gas collecting pipe and a return-to-zero gas collecting pipe are arranged on the air inlet switching seat in parallel, and the air inlet switching seat can switch the heating gas collecting pipe, the conventional gas collecting pipe and the return-to-zero gas collecting pipe to be connected with the air inlet.

Description

Dust concentration monitoring and repairing instrument

Technical Field

The utility model relates to the field of dust monitoring and cleaning, in particular to a dust concentration monitoring and repairing instrument.

Background

The dust monitor is used for monitoring particles such as dust in air by microcomputer laser control, and the continuity of the instrument is suitable for monitoring the discharge of particles, tornadoes, dust collectors or any dustproof equipment, and is most suitable for monitoring the air quality of underground transportation systems, ventilation systems, indoor workplaces or any other places requiring instant data such as flue gas, dust, smoke and the like.

The existing common dust monitor is usually a laser dust monitor, but the laser monitor often has larger errors in partial use environments, especially in high-humidity use environments such as gas to be monitored containing water mist.

Disclosure of Invention

In order to solve the problems, the utility model provides a dust concentration monitoring and repairing instrument which comprises a base, wherein a monitor body is detachably connected to the base, the monitor body comprises a measuring cavity, one side of the measuring cavity is fixedly connected with a junction box, a display module is arranged on the junction box, an air outlet and an air inlet are formed in the measuring cavity, an air pump is arranged on the base and communicated with the air outlet, an air inlet switching seat is arranged on the base, a heating gas collecting tube, a conventional gas collecting tube and a return-to-zero gas collecting tube are arranged on the air inlet switching seat in parallel, and the air inlet switching seat can switch the heating gas collecting tube, the conventional gas collecting tube and the return-to-zero gas collecting tube to be connected with the air inlet.

Further, an electric heating pipe is wound around the periphery of the heating gas collecting pipe.

Further, a plurality of guide rails are arranged on the base in parallel, the guide rails are arranged along the direction perpendicular to the heating gas collecting tube, a plurality of sliding seats are connected to the guide rails in a sliding mode, the sliding seats are fixed to the gas inlet switching seat, a threaded rod is connected to the base in a rotating mode, the threaded rod is parallel to the guide rails, and one end of the threaded rod penetrates through the gas inlet switching seat and is in threaded connection with the gas inlet switching seat.

Further, a filter screen is arranged at the joint of the air pump and the air outlet.

Further, a filter is arranged at the end part of the return-to-zero gas collecting tube, and an electric heating tube is wound around the periphery of the return-to-zero gas collecting tube.

Further, a dust cover is arranged on the base, and one end of the dust cover is hinged with the base.

Further, the two opposite side walls of the measuring cavity are respectively fixed with a laser light source and a light detector, an analysis control module electrically connected with the laser light source and the light detector is arranged in the junction box, and the analysis control module is electrically connected with the display module.

The utility model has the following beneficial effects:

1. according to the dust concentration monitoring and repairing instrument provided by the utility model, the heating collecting tube is arranged to heat the water mist in the gas to be detected into the water vapor, so that the influence of the water mist on the monitoring effect of the instrument is reduced, the instrument can be applied to the gas environment with more water mist, and the application range of the instrument is enlarged.

2. The dust concentration monitoring and repairing instrument provided by the utility model is provided with the zeroing collecting pipe, and the zeroing collecting pipe can extract dust-free and water mist-free gas in a monitoring environment for checking and zeroing of the instrument through the filter and the heating pipe, so that the monitoring accuracy of the instrument is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic side view of the structure of the present utility model.

The reference numerals are explained as follows: 1. a base; 2. a monitor body; 3. a measurement cavity; 301. an air outlet; 302. an air inlet; 303. a laser light source; 304. a photodetector; 4. a junction box; 401. a display module; 5. an air extracting pump; 6. an air inlet switching seat; 601. heating the gas collecting tube; 602. a conventional gas collecting tube; 603. a return-to-zero gas collecting tube; 7. an electric heating tube; 8. a guide rail; 801. a slide; 9. a threaded rod; 10. a filter; 11. a dust cover.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 and 2, a dust concentration monitoring and repairing instrument comprises a base 1, detachable monitor body 2 is connected to base 1, threaded holes are formed in the bottom of monitor body 2, threaded holes are formed in monitor body 2, bolt fasteners are arranged in threaded holes, monitor body 2 is detachably connected with base 1 through the bolt fasteners, monitor body 2 comprises measuring cavity 3 for monitoring gas dust concentration, junction box 4 is fixedly connected to one side of measuring cavity 3, display module 401 is arranged on junction box 4, display module 401 can be used for displaying dust concentration parameters measured by the monitor, measuring cavity 3 is provided with air outlet 301 and air inlet 302, air inlet 3 and air outlet 3 are used for entering measuring cavity 3 and discharging measuring cavity 3 of gas to be measured, base 1 is provided with sucking pump 5, sucking pump 5 is communicated with air outlet 301, sucking pump 5 produces negative pressure to suck the gas to be monitored into measuring cavity 3 and discharge the gas in measuring cavity 3, base 1 is provided with air inlet switching seat 6, heating air collecting pipe 601, conventional air collecting pipe 602 and zero collecting pipe 603 are arranged on parallel on air inlet switching seat 6, air inlet switching seat 6 is connected with heating air collecting pipe 601, conventional air collecting pipe 602 and air inlet zero collecting pipe 602.

In this embodiment, the electric heating pipe 7 is wound around the outer periphery of the heating header 601, and is used to heat the heating header 601 so that water mist in the gas passing through the heating header is changed into water vapor.

In this embodiment, a plurality of guide rails 8 are disposed on the base 1 in parallel, the plurality of guide rails 8 are disposed along the direction perpendicular to the heating gas collecting tube 601, a plurality of sliding seats 801 are slidably connected on the guide rails 8, the sliding seats 801 are fixed to the air inlet switching seat 6, the air inlet switching seat 6 can slide along the guide rails 8, a threaded rod 9 is further rotatably connected to the base 1, the threaded rod 9 is parallel to the guide rails 8, one end of the threaded rod 9 penetrates through the air inlet switching seat 6 and is in threaded connection with the threaded rod 9, and the threaded rod 9 can be rotated to push the air inlet switching seat 6 to move along the guide rails 8.

In this embodiment, the connection between the air pump 5 and the air outlet 301 is provided with a filter screen, which can filter the air entering the air pump 5, so as to avoid dust adhesion inside the air pump 5.

In this embodiment, the end of the zeroing gas collecting tube 603 is provided with a filter 10, the filter 10 can filter the gas entering the zeroing gas collecting tube 603, the electric heating tube 7 is wound around the periphery of the zeroing gas collecting tube 603, and the electric heating tube 7 can change the water mist in the gas passing through the zeroing gas collecting tube 603 into water vapor, and the gas passing through the zeroing gas collecting tube 603 does not contain dust and water mist, so that the monitor can check the zeroing conveniently.

In this embodiment, offer dust cover 11 on the base 1, dust cover 11 one end is articulated mutually with base 1, and dust cover 11 can cover the monitoring repair appearance, avoids the dust to get into the monitoring appearance and influences the monitoring precision.

In this embodiment, the two opposite side walls of the measuring cavity 3 are respectively fixed with a laser light source 303 and a photodetector 304, an analysis control module electrically connected with the laser light source 303 and the photodetector 304 is disposed in the junction box 4, the analysis control module is electrically connected with the display module 401, the laser light source 303 can emit laser, the energy of the smoke absorption light with different concentrations can be obtained according to the light scattering measurement principle, and the photodetector 304 detects the light signals with different concentrations to calculate the dust concentration.

The working principle of the utility model is as follows: in the environment with more water mist, the air pump 5 is started, the air pump 5 pumps air into the measuring cavity 3, the zeroing gas collecting tube 603 in the air inlet switching seat 6 is communicated with the air inlet 302 of the measuring cavity 3, the filter 10 at the end part of the zeroing gas collecting tube is heated by the electric heating tube 7, the water mist in the zeroing gas collecting tube 603 is heated and converted into water vapor, thereby the zeroing gas collecting tube 603 completes checking and zeroing of the monitor through the gas which does not contain dust and contains water mist, after the monitor is set to zero, the air inlet switching seat 6 is pushed by the rotating threaded rod 9 to move along the guide rail 8, the heating gas collecting tube 601 is switched to be communicated with the air inlet 302 of the measuring cavity 3, the electric heating tube 7 heats the heating gas collecting tube 601, the water mist in the heating gas collecting tube 601 is heated and converted into water vapor, the monitor monitors the gas in the heating gas collecting tube 601, a monitoring structure can be determined after the indication on the display module 401 is stable, the air inlet 302 is communicated with the air inlet 302 of the measuring cavity 3 after the monitor is zeroed, and the air collecting tube 9 is rotated to complete check and zeroing with the gas.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a dust concentration monitoring restoration appearance, includes base (1), its characterized in that: the utility model discloses a monitoring instrument, including base (1) and base (1), detachable is connected with monitor body (2), monitor body (2) including measuring chamber (3), measuring chamber (3) one side fixedly connected with terminal box (4), be provided with display module (401) on terminal box (4), gas outlet (301) and air inlet (302) have been seted up in measuring chamber (3), be provided with aspiration pump (5) on base (1), aspiration pump (5) are linked together with gas outlet (301), be provided with on base (1) and admit air switching seat (6), heating gas collecting tube (601), conventional gas collecting tube (602), return to zero gas collecting tube (603) have been seted up to the parallel on admitting air switching seat (6), admit air switching seat (6) switchable gas heating gas collecting tube (601), conventional gas collecting tube (602), return to zero gas collecting tube (603) are connected with air inlet (302).

2. The dust concentration monitoring and repairing instrument according to claim 1, wherein: an electric heating pipe (7) is wound around the periphery of the heating gas collecting pipe (601).

3. The dust concentration monitoring and repairing instrument according to claim 1, wherein: the base (1) is provided with a plurality of guide rails (8) in parallel, a plurality of guide rails (8) are arranged along the direction perpendicular to the heating gas collecting tube (601), a plurality of sliding seats (801) are connected to the guide rails (8) in a sliding mode, the sliding seats (801) are fixed to the air inlet switching seat (6), the base (1) is further connected with a threaded rod (9) in a rotating mode, the threaded rod (9) is parallel to the guide rails (8), and one end of the threaded rod (9) penetrates through the air inlet switching seat (6) and is in threaded connection with the threaded rod.

4. The dust concentration monitoring and repairing instrument according to claim 1, wherein: a filter screen is arranged at the joint of the air pump (5) and the air outlet (301).

5. The dust concentration monitoring and repairing instrument according to claim 1, wherein: the end part of the return-to-zero gas collecting tube (603) is provided with a filter (10), and an electric heating tube (7) is wound around the periphery of the return-to-zero gas collecting tube (603).

6. The dust concentration monitoring and repairing instrument according to claim 1, wherein: the base (1) is provided with a dust cover (11), and one end of the dust cover (11) is hinged with the base (1).

7. The dust concentration monitoring and repairing instrument according to claim 1, wherein: the measuring cavity (3) is characterized in that a laser light source (303) and a light detector (304) are respectively fixed on two opposite side walls of the measuring cavity, an analysis control module electrically connected with the laser light source (303) and the light detector (304) is arranged in the junction box (4), and the analysis control module is electrically connected with the display module (401).