CN211477992U

CN211477992U - Portable air particulate matter detector

Info

Publication number: CN211477992U
Application number: CN202020010461.8U
Authority: CN
Inventors: 周丹华
Original assignee: Xinjiang Zhongce Testing Co ltd
Current assignee: Xinjiang Zhongce Testing Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-09-11
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses a portable air particulate matter detector, the rear end of the upper wall of a detection shell is provided with a through groove in a vertical penetrating way, the front inner wall of the detection shell is fixedly connected with a detection box body, the rear end of the upper wall of the detection box body and the front end of the lower wall are provided with through holes in a vertical penetrating way, the lower end of the front surface of the detection shell is fixedly connected with a support, the upper surface of the support is fixedly connected with an air pump, the port of the air pump is provided with an L-shaped conduit, the rear end of the L-shaped conduit penetrates through the front wall of the detection shell and extends to the inside of the detection shell, an air production pipe, a cutter, an air inlet pipe and an observation platform are respectively pushed to the inside of the detection shell and the outside of the detection shell by installing an electric push rod, when the air production pipe, the cutter, the air inlet pipe and the, the gas production pipe, the cutter, the gas inlet pipe and the observation platform are exposed to start normal detection work.

Description

Portable air particulate matter detector

Technical Field

The utility model relates to an air detector technical field, the concrete field is a portable air particulate matter's detector.

Background

In recent years, the environmental air pollution characteristics are remarkably changed, the air particulate matters are more and more polluted, the problem of regional air pollution is more and more prominent, composite air pollution events such as dust haze, photochemical smog and acid rain frequently occur, and particularly, fine particle pollution is obvious to attract attention of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable air particulate matter's detector to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a portable air particulate matter detector is characterized in that a through groove is formed in the rear end of the upper wall of a detection shell in a vertically penetrating mode, a detection box body is fixedly connected to the front inner wall of the detection shell, through holes are formed in the rear end of the upper wall of the detection box body and the front end of the lower wall of the detection box body in a vertically penetrating mode, a support is fixedly connected to the lower end of the front surface of the detection shell, an air suction pump is fixedly connected to the upper surface of the support, an L-shaped guide pipe is mounted at the port of the air suction pump, the rear end of the L-shaped guide pipe penetrates through the front wall of the detection shell and extends into the detection shell, the upper port of the L-shaped guide pipe is fixedly connected with the through holes in the front end of the lower wall of the detection box body, an electric push rod is fixedly connected to the rear end of the lower inner wall of the detection shell, a, the gas extraction device is characterized in that one end of a gas guide tube is fixedly connected with the gas outlet, the other end of the gas guide tube is fixedly connected with the through hole at the upper side, the upper surface of the gas production tube is fixedly connected with a cutter, the upper surface of the cutter is fixedly connected with a gas inlet tube, the side wall of the gas inlet tube is provided with a plurality of round holes, the front end of the upper surface of the gas inlet tube is hinged with an observation platform, the upper end of the rear surface of the observation platform is provided with a display screen, the lower end of the rear surface of the observation platform is provided with a motor switch, a gas extraction switch and a display screen switch, the motor switch is electrically connected with an electric push rod through a wire, the motor switch is electrically connected with an external circuit through a wire, the gas extraction switch is electrically connected with the gas extraction pump through a wire, the gas extraction switch is electrically connected with the external circuit, carry out electric connection through the electric wire between display screen switch and the outer circuit, carry out electric connection through the electric wire between display screen and the detection case body.

Preferably, a T-shaped rod is fixedly connected to the front surface of the detection housing.

Preferably, the four corners of the lower surface of the detection shell are fixedly connected with universal wheels.

Preferably, the lower end of the rear surface of the gas production pipe is fixedly connected with a limiting block.

Preferably, the cutter is a PM10 cutter.

Preferably, the cutter is a PM2.5 cutter.

Compared with the prior art, the beneficial effects of the utility model are that: a portable air particle detector is characterized in that an electric push rod is arranged, a gas production pipe, a cutter, a gas inlet pipe and an observation platform are respectively pushed to the inside and the outside of a detection shell by the electric push rod, when the gas production pipe, the cutter, the gas inlet pipe and the observation platform are pushed to the inside of the detection shell, effectively reducing the volume of the device, when the device is pushed to the outside of the detection shell, the gas production pipe, the cutter, the gas inlet pipe and the observation platform are exposed to start normal detection work, the air inlet pipe is hinged with the observation platform, so that the observation platform can be vertically and horizontally placed, the observation platform is vertically placed, a user can conveniently observe the content on the display screen, when the observation platform is horizontally placed, the volume of the device is effectively reduced, the device is convenient to carry, the operation is simple, the problems that the size of the existing air particle detector is large, the carrying is inconvenient, the detection work is very troublesome, and the working efficiency is influenced are solved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic rear view of the present invention;

fig. 4 is a left side view cross-sectional structure diagram of the detection housing of the present invention.

In the figure: the device comprises a detection shell 1, a detection box body 2, a support 3, an air pump 4, an L-shaped guide pipe 5, an electric push rod 6, an air production pipe 7, an air guide pipe 8, a cutter 9, an air inlet pipe 10, a circular hole 11, an observation table 12, a motor switch 13, an air extraction switch 14, a display screen switch 15, a T-shaped rod 16, a universal wheel 17, a limiting block 18 and a display screen 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a portable air particulate matter detector is characterized in that a through groove is formed in the rear end of the upper wall of a detection shell 1 in a vertically penetrating mode, a detection box body 2 is fixedly connected to the front inner wall of the detection shell 1, through holes are formed in the rear end of the upper wall and the front end of the lower wall of the detection box body 2 in a vertically penetrating mode, a support 3 is fixedly connected to the lower end of the front surface of the detection shell 1, an air suction pump 4 is fixedly connected to the upper surface of the support 3, an L-shaped guide pipe 5 is installed at the port of the air suction pump 4, the rear end of the L-shaped guide pipe 5 penetrates through the front wall of the detection shell 1 and extends into the detection shell 1, the upper port of the L-shaped guide pipe 5 is fixedly connected with the through hole in the front end of the lower wall of the detection box body 2, an electric push rod 6 is fixedly connected to the rear end of the lower inner wall of, the lower end of the front wall of the collecting pipe 7 is provided with air outlet holes in a front-back penetrating manner, one end of an air guide pipe 8 is fixedly connected with the air outlet holes, the other end of the air guide pipe 8 is fixedly connected with the through holes at the upper side, the upper surface of the air production pipe 7 is fixedly connected with a cutter 9, the upper surface of the cutter 9 is fixedly connected with an air inlet pipe 10, the side wall of the air inlet pipe 10 is provided with a plurality of round holes 11, the front end of the upper surface of the air inlet pipe 10 is hinged with an observation platform 12, the upper end of the rear surface of the observation platform 12 is provided with a display screen 19, the lower end of the rear surface of the observation platform 12 is provided with a motor switch 13, an air extraction switch 14 and a display screen switch 15, the motor switch 13 is electrically connected with the electric push rod 6 through an electric wire, the motor switch 13 is electrically connected with an external circuit through, the air extraction switch 14 is electrically connected with an external circuit through an electric wire, the display screen switch 15 is electrically connected with the display screen 19 through an electric wire, the display screen switch 15 is electrically connected with the external circuit through an electric wire, the display screen 19 is electrically connected with the detection box body 2 through an electric wire, the detection box body 2 is a detection mechanism of a device, the detection mechanism is the prior art, for example, a METONE3400 portable air particle counter is used, the METONE3400 portable air particle counter is specially designed for meeting the environmental application conforming to the ISO14644 standard, the conventional clean room monitoring of an embedded sampling and position identification management organization can be utilized, the METONE3400 portable air particle counter is graded guide can ensure the compliance of the clean room during the regular certification, a particle mass concentration sensor and a particle number concentration sensor are sequentially installed in the detection box body 2 from top to bottom, the particulate matter mass concentration sensor and the particulate matter number concentration sensor are both connected with a control device, the display screen 19 is electrically connected with the control device through electric wires, the control device is a single chip microcomputer, the air extraction switch 14 is turned on, the air extraction pump 4 starts air extraction work, air enters the cutter 9 through the air inlet pipe 10 under the action of the air extraction pump 4, the cutter 9 separates out partial particulate matters in the air, the rest particulate matters flow into the gas production pipe 7 along with the air, then the air flows into the detection box body 2 through the air guide pipe 8 connected with the lower end of the gas production pipe 7 for detection, after the detection is finished, the air passes through the L-shaped guide pipe 5 leading-out device, the extending key of the motor switch 13 is pressed, the extending end of the electric push rod 6 extends upwards, and the gas production pipe 7 is driven by the electric push rod 6 to move upwards, the air inlet pipe 10, the cutter 9 and the observation platform 12 are exposed in the air, the gas production work is started, the observation platform 12 is opened, the observation platform 12 is in a vertical state, the display screen 19 faces the rear side of the device, so that a user can conveniently observe the device at head without bending down and lowering the head, the burden of the user is relieved, the retraction key of the motor switch 13 is pressed, the extending end of the electric push rod 6 retracts downwards, the electric push rod 6 drives the gas production pipe 7 to move downwards, the air inlet tube 10 and the cutter 9 are moved to the inside of the inspection case 1, the observation stage 12 is closed, the front surface of observation platform 12 and the upper surface laminating that detects casing 1, display screen 19, motor switch 13, air exhaust switch 14 and display screen switch 15 expose, do not influence normal control and use, reduce the device volume, conveniently carry, and it is a plurality of round hole 11 provides the space for the entering of air.

Particularly, the front surface of the detection shell 1 is fixedly connected with a T-shaped rod 16, the T-shaped rod 16 provides a stress point for the detection shell 1, and the device is convenient for a user to push and is easy to move and carry.

Particularly, detect the equal fixedly connected with universal wheel 17 in four corners department of the lower surface of casing 1, four universal wheel 17 person of facilitating the use mobile device improves the practicality of device.

Particularly, the lower extreme fixedly connected with stopper 18 of the rear surface of gas production pipe 7, the in-process of gas production pipe 7 at the inside rebound that detects casing 1, stopper 18 is spacing to the lower extreme of gas production pipe 7, the restriction gas production pipe 7 stretches out completely outside detecting casing 1, guarantees the normal use of air duct 8, effective extension fixture's life.

Specifically, the cutter 9 is a PM10 cutter, the PM10 cutter can separate particulate matters larger than 10 μm from the air, and the particulate matters smaller than or equal to 10 μm flow out of the PM10 cutter along with the air, so that the device can detect the concentration of PM10 in the air.

Specifically, the cutter 9 is a PM2.5 cutter, the PM2.5 cutter 12 can separate particulate matters larger than 2.5 μm from the air, and the particulate matters smaller than or equal to 2.5 μm flow out of the PM2.5 cutter along with the air, so that the device can detect the concentration of PM2.5 in the air.

The working principle is as follows: when the utility model is used, a user firstly presses an extending key of a motor switch 13, an extending end of an electric push rod 6 extends upwards, the electric push rod 6 drives an air production pipe 7 to move upwards, an air inlet pipe 10, a cutter 9 and an observation platform 12 are exposed in the air to start air production work, then the user opens the observation platform 12 to enable the observation platform 12 to be in a vertical state, a display screen 19 faces the rear side of the device to facilitate the head-up observation of the user, then an air extraction switch 14 is opened, an air extraction pump 4 starts air extraction work, the air enters the cutter 9 through the air inlet pipe 10, the cutter 9 separates out partial particles in the air, the rest particles enter the air production pipe 7 along with the air flow, then the air flows into a detection box body 2 through an air duct 8 connected with the lower end of the air production pipe 7 to be detected, the air sequentially passes through a particle mass concentration sensor, a particle mass concentration sensor, the control device uploads detection data to the display screen 19, after detection is finished, air passes through the device for guiding out the L-shaped guide pipe 5, then a user presses a retraction key of the motor switch 13, an extension end of the electric push rod 6 retracts downwards, the electric push rod 6 drives the gas production pipe 7 to move downwards, the gas inlet pipe 10 and the cutter 9 move to the inside of the detection shell 1, the observation table 12 is closed, the front surface of the observation table 12 is attached to the upper surface of the detection shell 1, the display screen 19, the motor switch 13, the gas extraction switch 14 and the display screen switch 15 are exposed, normal control and use are not affected, the size of the device is reduced, then the user pulls the T-shaped rod 16 carrying device to reach a destination, and work is finished.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portable air particulate matter detector, comprising a detection housing (1), characterized in that: the rear end of the upper wall of the detection shell (1) is provided with a through groove in an up-down penetrating manner, the front inner wall of the detection shell (1) is fixedly connected with a detection box body (2), the rear end of the upper wall of the detection box body (2) and the front end of the lower wall of the detection box body are provided with through holes in an up-down penetrating manner, the lower end of the front surface of the detection shell (1) is fixedly connected with a support (3), the upper surface of the support (3) is fixedly connected with an air suction pump (4), an L-shaped conduit (5) is installed at a port of the air suction pump (4), the rear end of the L-shaped conduit (5) penetrates through the front wall of the detection shell (1) and extends into the detection shell (1), the upper port of the L-shaped conduit (5) is fixedly connected with the through hole at the front end of the lower wall of the detection box body (2), and the rear end of the, the gas production device is characterized in that a gas production pipe (7) is fixedly connected to the extending end of the electric push rod (6), gas outlet holes are formed in the front and back of the lower end of the front wall of the gas production pipe (7) in a penetrating mode, one end of a gas guide pipe (8) is fixedly connected to the gas outlet holes, the other end of the gas guide pipe (8) is fixedly connected with a through hole in the upper side of the detection box body (2), a cutter (9) is fixedly connected to the upper surface of the gas production pipe (7), an air inlet pipe (10) is fixedly connected to the upper surface of the cutter (9), a plurality of round holes (11) are formed in the side wall of the air inlet pipe (10), an observation table (12) is hinged to the front end of the upper surface of the observation table (12), a display screen (19) is installed at the upper end of the rear surface of the observation table (12), and a motor switch (13, carry out electric connection through the electric wire between motor switch (13) and electric putter (6), carry out electric connection through the electric wire between motor switch (13) and the outer circuit, carry out electric connection through the electric wire between air exhaust switch (14) and aspiration pump (4), carry out electric connection through the electric wire between air exhaust switch (14) and the outer circuit, carry out electric connection through the electric wire between display screen switch (15) and display screen (19), carry out electric connection through the electric wire between display screen switch (15) and the outer circuit, carry out electric connection through the electric wire between display screen (19) and detection case body (2).

2. A portable airborne particulate matter detector according to claim 1, wherein: the front surface of the detection shell (1) is fixedly connected with a T-shaped rod (16).

3. A portable airborne particulate matter detector according to claim 1, wherein: the four corners of the lower surface of the detection shell (1) are fixedly connected with universal wheels (17).

4. A portable airborne particulate matter detector according to claim 1, wherein: the lower end of the rear surface of the gas production pipe (7) is fixedly connected with a limiting block (18).

5. A portable airborne particulate matter detector according to claim 1, wherein: the cutter (9) is a PM10 cutter.

6. A portable airborne particulate matter detector according to claim 1, wherein: the cutter (9) is a PM2.5 cutter.