Portable dust concentration detection box

Abstract

The utility model relates to the technical field of dust detection, in particular to a portable dust concentration detection box which comprises a box body, a box cover is hinged to the upper portion of the box body, a handle and a hasp are fixedly connected to the front portion of the box body, a limiting plate is arranged in the box body, and a displayer and a plurality of sampling heads are embedded into the limiting plate in the same row. A gravity sensor is fixedly connected to the position, located at the bottom of the sampling head, of the limiting plate, a single-chip microcomputer controller is arranged in the limiting plate, the gravity sensor is in communication connection with the single-chip microcomputer controller, the displayer is controlled by the single-chip microcomputer controller, and a sampling auxiliary bottle, a filter membrane storage box and tweezers are sequentially embedded into the position, located below the sampling head, of the limiting plate in the same row. According to the utility model, the replaceable sampling head can realize multiple times of continuous sampling on different occasions, the gravity sensor is matched to detect the weight of the sampling head before and after sampling, and a measurement result can be immediately obtained through the single chip microcomputer controller.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust detection technical field, concretely is a portable dust concentration detection box. BACKGROUND

[0002] Dust concentration refers to the mass or particle number of dust contained in unit volume of air, which is an important index for evaluating the degree of dust pollution in the air. In an environment with excessively high dust concentration, personnel staying in the environment for a long time will suffer from various respiratory system related diseases, and certain specific dust may cause fire or explosion when encountering a fire source or static spark, thus having a large safety risk. Therefore, rapid detection of dust concentration is of great significance. The existing dust concentration detection device is convenient to carry and can display the measurement result in real time, but cannot retain the continuously sampled dust for further dust concentration detection. The device that can continuously sample and further detect the dust type is not convenient to carry. Therefore, it is necessary to develop a dust concentration detection device that is convenient to carry, can retain the continuously sampled result, and facilitates further detection of the dust type. SUMMARY

[0003] In view of the above technical problems, the utility model provides a dust concentration detection device that is convenient to carry and can retain the continuously sampled result to facilitate further detection of the dust type, so as to solve the problem that the existing portable dust concentration detection device cannot retain the continuously sampled result for further detection of the dust type.

[0004] To solve the above technical problems, the utility model discloses a portable dust concentration detection box, which comprises a box body, a box cover hinged to the upper part of the box body, a handle and a buckle fixedly connected to the front part of the box body, a limiting plate arranged in the box body, a display and a plurality of sampling heads embedded in the limiting plate, a gravity sensor fixedly connected to the bottom of the sampling head on the limiting plate, a single-chip microcomputer controller arranged in the limiting plate, the gravity sensor in communication connection with the single-chip microcomputer controller, the display controlled by the single-chip microcomputer controller, and a sampling auxiliary bottle, a filter membrane storage box, and tweezers embedded in the limiting plate below the sampling head in the same row.

[0005] Further, the sampling head body is cylindrical, the front end is conical, a plurality of strip-shaped holes are formed in the cylindrical side surface of the sampling head, a sealing ring is detachably connected to the outside of the sampling head body, an air inlet and an air outlet are respectively formed in the front end and the rear end of the sampling head body, covers are arranged on the air inlet and the air outlet, and the air outlet is provided with external threads.

[0006] Further, the sampling auxiliary bottle front part is an air inlet end, the middle part is an empty cylinder, and the rear part is an electric telescopic rod, the empty cylinder is internally provided with a piston, the piston is fixedly connected with the output end of the electric telescopic rod, and the air inlet end is provided with an inner thread matched with the outer thread.

[0007] Further, the switch is fixedly connected with the sampling head in a corresponding position below the sampling head and is electrically connected with the single-chip microcomputer controller.

[0008] Compared with the prior art, the utility model has the following advantages:

[0009] The utility model discloses a replaceable sampling head can realize the continuous sampling of different occasions many times and keep the sampling result, utilize gravity sensor detection sampling before and after the weight of sampling head, calculate the measurement data through single-chip microcomputer controller, obtain dust concentration, can show the detection result on the display immediately, through the strip hole of sampling head, the filter membrane is put in and taken out, can realize the reuse of sampling head, utilize the sealing ring of sampling head outside setting, can avoid the dust in sampling head falling and influence the detection result, utilize the box and the handle of box setting, the device is convenient to carry, utilize the electric telescopic rod of sampling auxiliary bottle setting, can guarantee that the gas flow rate meets the sampling requirement. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the utility model sectional view.

[0011] Figure 2 It is the utility model box schematic view.

[0012] Figure 3 It is the utility model sampling head and sampling auxiliary bottle combination schematic view.

[0013] In the drawing: 1, box, 2, box cover, 3, limit board, 4, buckle, 5, display, 6, sampling head, 601, sealing ring, 7, gravity sensor, 8, sampling auxiliary bottle, 801, empty cylinder, 802, piston, 803, electric telescopic rod, 9, filter membrane storage box, 10, tweezers, 11, switch. DETAILED DESCRIPTION

[0014] The utility model will be further explained in connection with the drawings.

[0015] As Figure 1 , Figure 2 , Figure 3The portable dust concentration detection box shown, including box 1, the upper part of box 1 is hinged with box cover 2, the front part is fixedly connected with handle and buckle 4, in order to fix each device inside box 1, the inside of box 1 is provided with limiting plate 3, the limiting plate 3 is embedded with display 5 and a plurality of sampling heads 6 in the same row, the limiting plate 3 is fixedly connected with gravity sensor 7 at the bottom of sampling head 6, the inside of limiting plate 3 is provided with single-chip microcomputer controller, gravity sensor 7 is in communication connection with single-chip microcomputer controller, display 5 is controlled by single-chip microcomputer controller, the limiting plate 3 is embedded with sampling auxiliary bottle 8, filter membrane storage box 9 and tweezers 10 in the same row below sampling head 6, the limiting plate 3 is provided with grooves with corresponding size at the positions of each corresponding device.

[0016] In order to facilitate sampling use, the main body of sampling head 6 is cylindrical, and the front end is conical, in order to use and detect conveniently, a plurality of strip-shaped holes for placing filter membranes are formed in the cylindrical side surface of sampling head 6, the outer part of the main body of sampling head 6 is detachably connected with sealing ring 601, the front and rear ends of sampling head 6 are respectively provided with air inlet and air outlet, the air inlet and air outlet are provided with cover, and the air outlet is provided with external thread.

[0017] In order to ensure that the gas flow rate meets the requirements during sampling, the front part of sampling auxiliary bottle 8 is air inlet end, the middle part is empty cylinder 801, and the rear part is electric telescopic rod 803, the inside of empty cylinder 801 is provided with piston 802, the piston 802 is fixedly connected with the output end of electric telescopic rod 803, and the air inlet end is provided with internal thread matched with external thread.

[0018] In order to facilitate timely weight detection of sampling head, switch 11 is fixedly connected with the corresponding position below sampling head 6 on limiting plate 3, and switch 11 is electrically connected with single-chip microcomputer controller.

[0019] The working process of the embodiment is as follows:

[0020] Open the box 1, take out the sampling auxiliary bottle 8 and a sampling head 6, open the cover on the inlet and outlet of the sampling head 6, remove the sealing ring 601 outside the sampling head 6, take out the filter membrane stored in the filter membrane storage box 9 by tweezers 10, put it into the strip-shaped hole on the side of the sampling head 6 in turn, put on the sealing ring 601 again until all the strip-shaped holes are completely blocked, put the sampling head 6 into the corresponding position on the limiting plate 3, open the corresponding switch 11, transmit the initial data measured by the gravity sensor 7 into the single-chip microcomputer controller and display it on the display 5, take out the sampling head 6 and connect it with the sampling auxiliary bottle 8, start the electric telescopic rod 803 to drive the piston 802 to move backward to draw air, the dust is blocked by the filter membrane and stays in the sampling head 6, the gas flows into the sampling auxiliary bottle 8, after sampling, remove the sampling head 6, cover the cover on the inlet and outlet, start the electric telescopic rod 803 to push the piston 802 to the first end of the empty cylinder 801, put the sampling head 6 into the limiting plate 3 again, detect the data at this time by the gravity sensor 7 and transmit it into the single-chip microcomputer controller to calculate the dust concentration based on the initial data and display the data on the display 5, after all the sampling is completed, put the sampling auxiliary bottle 8 back into the box 1, send the sampling head 6 to further detection.

Claims

1. A portable dust concentration detection box comprising a box body (1), characterized in that: The box (1) upper hinged cover (2), front fixed connection with the handle and buckle (4), the box (1) inside setting limiting plate (3), the limiting plate (3) on the same row embedded with display (5) and several sampling head (6), the limiting plate (3) on the bottom of the sampling head (6) fixedly connected with gravity sensor (7), the limiting plate (3) inside setting singlechip controller, the gravity sensor (7) and the singlechip controller communication connection, the display (5) controlled by the singlechip controller, the limiting plate (3) on the sampling head (6) below the same row embedded with sampling auxiliary bottle (8), filter membrane storage box (9), tweezers (10).

2. The portable dust concentration detection box according to claim 1, characterized in that: The sampling head (6) main part is cylindrical, the front end is conical, the sampling head (6) cylindrical side is provided with a plurality of strip holes, the sampling head (6) main part outside detachably connected with sealing ring (601), the sampling head (6) front and rear ends are respectively provided with air inlet and air outlet, the air inlet and air outlet are provided with cover, the air outlet is provided with external thread.

3. The portable dust concentration detection box according to claim 2, characterized in that: The front of the sampling auxiliary bottle (8) is the air inlet end, the middle part is the empty cylinder (801), and the rear part is the electric telescopic rod (803). The empty cylinder (801) is provided with a piston (802) inside. The piston (802) is fixedly connected with the output end of the electric telescopic rod (803). The air inlet end is provided with an internal thread matched with the external thread.

4. The portable dust concentration detection box according to claim 1, characterized in that: The limiting plate (3) is fixedly connected with a switch (11) at the corresponding position below the sampling head (6). The switch (11) is electrically connected with the singlechip controller.

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