Dust detection safety warning device

Abstract

The utility model relates to dust detection technical field especially is dust detection safety early warning device, including the casing and scraper for containing airflow passes through, the casing top is connected with a plurality of detection probe for detecting dust concentration, the detection end of probe extends to the inside of casing, the scraper is located in the casing, a plurality of through -holes are seted up on the scraper, the through -hole corresponds with probe one to one, the scraper is set on probe through the through -hole, to scrape off the dust that adheres on probe, the dust detection safety early warning device provided by the utility model can conveniently clean the dust that adheres on the surface of detection probe after detection, to prevent the dust on the surface of probe from influencing the accuracy of subsequent detection data.

Description

Technical Field

[0001] This utility model relates to the field of dust detection technology, and in particular to a dust detection safety early warning device. Background Technology

[0002] For industries that easily generate dust during production operations, such as coal mining, cement production, textiles, food processing (flour processing enterprises), and chemical and pharmaceutical industries, it is usually necessary to use dust concentration detectors to monitor the concentration of airborne dust in the workplace in order to take appropriate measures to protect the health of workers and prevent explosions caused by excessive dust concentration.

[0003] With a significant increase in people's awareness of civilized production, clean operations, safe construction, and people-oriented principles, not only are there regulations for dust monitoring at work sites in industries beyond those mentioned above, but workers at work sites or front-line positions are also equipped with dust concentration detection instruments of various structural forms. In existing technology, dust concentration detectors mainly rely on internal dust detection probes to detect the dust concentration in the environment. During long-term use, a large amount of dust accumulates on the surface of the dust detection probes; if not cleaned in time, this will affect the accuracy of the detection data in subsequent use. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies where dust adhering to the surface of dust detection probes affects the accuracy of detection data, and to propose a dust detection safety early warning device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: Design a dust detection safety early warning device, including a housing for accommodating airflow and a scraper. The top of the housing is connected to multiple detection probes for detecting dust concentration. The detection ends of the probes extend into the housing. The scraper is located inside the housing and has multiple through holes, each corresponding to a probe. The scraper is fitted onto the probe through the through holes to scrape off the dust adhering to the probe.

[0006] Preferably, an air inlet pipe is connected to one side of the housing, and an air outlet pipe is connected to the other side of the housing.

[0007] Preferably, an air collection hood is fixedly connected to the air intake pipe.

[0008] Preferably, the housing is provided with an electric telescopic rod for driving the scraper to move along the probe.

[0009] Preferably, a circular connecting ring is rotatably mounted on the top of the through hole, an axial flow fan is fixedly connected to the upper end face of the connecting ring, a circular support ring is fixedly connected to the inner wall of the connecting ring, the support ring is sleeved on the probe, a plurality of sliding holes are equally spaced on the support ring, a slider is slidably fitted in the sliding holes, and a brush is fixedly connected to one side of the slider.

[0010] Preferably, a spring is provided inside the sliding hole, and the spring applies elastic force to the slider so that the brush abuts against the outer wall of the probe.

[0011] Preferably, the spring is always in a compressed state.

[0012] The dust detection safety early warning device proposed in this utility model has the following advantages: After the detection is completed, the dust detection safety early warning device provided by this utility model can easily clean the dust attached to the surface of the detection probe by means of a scraper and an electric telescopic rod, so as to prevent the dust on the probe surface from affecting the accuracy of subsequent detection data. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the dust detection safety early warning device proposed in this utility model.

[0014] Figure 2 This is a schematic diagram of the internal structure of the dust detection safety early warning device proposed in this utility model.

[0015] Figure 3 This is a schematic diagram of the structure of the dust detection safety early warning device proposed in this utility model, showing the cooperation between the detection probe and the scraper.

[0016] Figure 4 This is a schematic diagram of the scraper and airflow guide plate of the dust detection safety early warning device proposed in this utility model.

[0017] Figure 5 This is a schematic diagram of the internal structure of the airflow guide plate of the dust detection safety early warning device proposed in this utility model.

[0018] Figure 6 This is a schematic diagram of the scraper structure of the dust detection safety early warning device proposed in this utility model.

[0019] Figure 7 This is a schematic diagram of the installation structure of the axial fan of the dust detection safety early warning device proposed in this utility model.

[0020] In the diagram: 1. Housing; 101. Inlet pipe; 102. Gas collection hood; 103. Outlet pipe; 2. Detection probe; 3. Electric telescopic rod; 4. Scraper; 401. Through hole; 402. Airflow guide plate; 5. Axial flow fan; 6. Connecting ring; 7. Support ring; 8. Sliding hole; 9. Brush; 10. Slider; 11. Spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figure 1 and Figure 2 The dust detection safety early warning device includes a housing 1 for accommodating airflow and a scraper 4. An air inlet pipe 101 is connected to one side of the housing 1, and an air outlet pipe 102 is connected to the other side of the housing 1. A gas collection hood 103 is fixed to the air inlet pipe 101, and multiple detection probes 2 for detecting dust concentration are connected to the top of the housing 1.

[0023] When detecting dust in the environment, an air extraction device is used to draw air into the housing 1 through the air collection hood 103. The detection probe 2 inside the housing 1 will then detect the dust concentration in the air, and the detected data will be transmitted to the processing terminal via a wireless signal.

[0024] like Figures 2-6 As shown, the detection end of the probe 2 extends into the housing 1, and the scraper 4 is located inside the housing 1. The scraper 4 has multiple through holes 401, which correspond one-to-one with the probe 2. The scraper 4 is sleeved on the probe 2 through the through holes 401. An electric telescopic rod 3 is provided inside the housing 1 to drive the scraper 4 to move along the probe 2 so that the scraper 4 can scrape off the dust attached to the probe 2.

[0025] During long-term operation, dust in the air will adhere to the surface of the detection probe 2, affecting the accuracy of the data in the next detection operation. Therefore, this application drives the scraper 4 to move along the probe 2 by means of an electric telescopic rod 3. The probe 2 is located in the through hole 401 on the scraper 4. During the movement of the scraper 4, the dust attached to the probe surface will be scraped off to reduce data error.

[0026] like Figures 3-7A circular connecting ring 6 is rotatably mounted on the top of the through hole 401. An axial flow fan 5 is fixed to the upper end face of the connecting ring 6. A circular support ring 7 is fixed to the inner wall of the connecting ring 6. The support ring 7 is sleeved on the probe 2. Multiple sliding holes 8 are equally spaced on the support ring 7. A slider 10 is slidably fitted in the sliding holes 8. A brush 9 is fixed to one side of the slider 10. A spring 11 is provided in the sliding holes 8. The spring 11 applies elastic force to the slider 10 so that the brush 9 abuts against the outer wall of the probe 2. The spring 11 is always in a compressed state.

[0027] An airflow guide plate 403 is fixed on the surface of the scraper 4 to guide the airflow entering the housing 1 into the airflow guide plate 403. Under the action of the airflow, the axial fan 5 rotates. The rotation of the axial fan 5 will drive the connecting ring 6 to rotate. The rotation of the connecting ring 6 will drive the support ring 7 to rotate. The rotation of the support ring 7 will drive the brush 9 to rotate. The brush 9 is pressed against the surface of the detection probe 2 under the elastic force of the spring 11 so that the brush 9 cleans the detection probe 2 during the rotation.

[0028] Compared with the prior art, the dust detection safety early warning device provided in this application can easily clean the dust attached to the surface of the detection probe 2 by means of the scraper 4 and the electric telescopic rod after the detection is completed, so as to prevent the dust on the probe surface from affecting the accuracy of subsequent detection data.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A dust detection safety early warning device, comprising a housing (1) for accommodating airflow and a scraper (4), characterized in that, The top of the housing (1) is connected to a plurality of detection probes (2) for detecting dust concentration. The detection end of the probe (2) extends into the housing (1). The scraper (4) is located inside the housing (1). The scraper (4) has a plurality of through holes (401). The through holes (401) correspond one-to-one with the probes (2). The scraper (4) is fitted onto the probes (2) through the through holes (401) to scrape off the dust attached to the probes (2).

2. The dust detection safety early warning device according to claim 1, characterized in that, An air inlet pipe (101) is connected to one side of the housing (1), and an air outlet pipe (102) is connected to the other side of the housing (1).

3. The dust detection safety early warning device according to claim 2, characterized in that, An air collection hood (103) is fixedly connected to the air intake pipe (101).

4. The dust detection safety early warning device according to claim 3, characterized in that, The housing (1) is equipped with an electric telescopic rod (3) for driving the scraper (4) to move along the probe (2).

5. The dust detection safety early warning device according to claim 4, characterized in that, A circular connecting ring (6) is rotatably mounted on the top of the through hole (401). An axial flow fan (5) is fixed to the upper end face of the connecting ring (6). A circular support ring (7) is fixed to the inner wall of the connecting ring (6). The support ring (7) is sleeved on the probe (2). Multiple sliding holes (8) are opened at equal intervals on the support ring (7). A slider (10) is slidably fitted in the sliding hole (8). A brush (9) is fixed to one side of the slider (10).

6. The dust detection safety early warning device according to claim 5, characterized in that, A spring (11) is provided inside the sliding hole (8), and the spring (11) applies elastic force to the slider (10) so that the brush (9) abuts against the outer wall of the probe (2).

7. The dust detection safety early warning device according to claim 6, characterized in that, The spring (11) is always in a compressed state.

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