Online monitoring device for respirable dust based on electrostatic principle

Abstract

The utility model is applicable to the technical field of respirable dust monitoring devices, and provides an electrostatic principle respirable dust on-line monitoring device which comprises a monitoring device body, a detection assembly is arranged at the top of the monitoring device body, and a containing box is fixedly connected to the top of the monitoring device body. A second electric telescopic rod is vertically and fixedly connected to an inner cavity of the containing box, and the top end of the second electric telescopic rod movably extends out of the containing box and is fixedly connected with a hollow cylinder. According to the electrostatic principle respirable dust online monitoring device, after a second electric telescopic rod extends, a hollow cylinder can be driven to ascend, the hollow cylinder covers a probe of a detection assembly, brushes make contact with the surface of the probe, and after a rotating rod is driven by a motor to rotate, the multiple brushes brush and clean the surface of the probe of a hanging plate; dust on the surface of the probe surface is prevented from affecting the air quality monitoring result.

Description

TECHNICAL FIELD

[0001] The utility model belongs to respirable dust monitoring device technical field, especially, relate to a static electricity principle respirable dust on -line monitoring device. BACKGROUND

[0002] In modern industrial production process, dust is a common pollutant, it not only constitutes a threat to the health of workers, also can cause explosion and other safety accidents, therefore, real -time monitoring of dust has important significance, especially in coal mine, factory and mine and other industrial sites, dust concentration is often higher, need to adopt high -efficient monitoring means to ensure production safety.

[0003] Static induction principle refers to when the charged object and the uncharged conductor are close to each other, due to the interaction between electric charges, the electric charge in the conductor is redistributed, in dust monitoring, this principle is used to monitor the signal generated by the dynamic charge induction between the dust particles flowing through the probe and the probe.

[0004] The static principle respirable dust on -line monitoring device in the prior art, in the use process, the probe surface of the static principle dust monitor is easy to accumulate dust, especially when the dust concentration in the air is high, the dust accumulation is easy to affect the static induction capacity of the probe, leading to measurement error, and then is not conducive to environmental monitoring work. UTILITY MODEL CONTENTS

[0005] The utility model provides a static principle respirable dust on -line monitoring device, aims at solving the problem of the static principle respirable dust on -line monitoring device in the prior art, in the use process, the probe surface of the static principle dust monitor is easy to accumulate dust, leading to measurement error.

[0006] The utility model is such implementation, a static principle respirable dust on -line monitoring device, including monitoring equipment body, the top of monitoring equipment body is provided with detection assembly, the top fixedly connected with containing box of monitoring equipment body, the inner chamber vertical fixedly connected with second electric telescopic handle of containing box, the top of second electric telescopic handle movable extension to the outside of containing box, and fixedly connected with hollow cylinder;

[0007] The inner wall surface of hollow cylinder is equipped with a plurality of dust suction ports, the bottom of hollow cylinder inner wall is fixedly connected with motor, the output shaft vertical fixedly connected with rotating rod of motor, the surface of rotating rod is fixedly connected with a plurality of brush that can contact with detection assembly probe, the bottom of monitoring equipment body is provided with the support mechanism that can adjust height.

[0008] Preferably, the side wall of the hollow cylinder is communicated with the communication pipe, and the other end of the communication pipe is provided with a flange plate.

[0009] Preferably, the rear end of each side surface of the monitoring device body is fixedly connected with a hanging plate, and a strip-shaped opening is formed in the hanging plate.

[0010] Preferably, a display panel is arranged on the monitoring device body, and a plurality of control buttons are arranged on the monitoring device body.

[0011] Preferably, the support mechanism comprises a containing box, a first electric telescopic rod and a fixed block, the containing box is vertically fixedly connected to the bottom of the monitoring device body, the first electric telescopic rod is vertically fixedly connected to the top of the inner wall of the containing box, the fixed block is fixedly connected to the bottom end of the first electric telescopic rod, the bottom of the fixed block is fixedly connected with a mounting plate, and a plurality of mounting holes are formed in the surface of the mounting plate.

[0012] Preferably, a plurality of dust suction ports are uniformly and evenly distributed and arranged along the surface of the hollow cylinder.

[0013] Beneficial effects

[0014] Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an electrostatic principle respirable dust on-line monitoring device, after the second electric telescopic rod is elongated, the hollow cylinder can be driven to ascend, the hollow cylinder cover is arranged outside the probe of the detection assembly, the brushes are in contact with the surface of the probe, after the rotating rod is driven to rotate by the motor, the plurality of brushes brush and clean the surface of the probe of the hanging plate, dust on the surface of the probe is avoided, the quality monitoring result of the air is affected, and in the process of cleaning the dust on the surface of the probe, the airflow in the hollow cylinder can be extracted, negative pressure is generated in the hollow cylinder, dust generated in the cleaning process can be extracted and removed, the monitoring accuracy of the air of the detection assembly is ensured, and the respirable dust on-line monitoring is beneficial to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a structure schematic view of the containing box and the hollow cylinder in the utility model;

[0017] Figure 3 It is a structure schematic view of the second electric telescopic rod and the hollow cylinder in the utility model;

[0018] Figure 4 It is a structure schematic view of the motor and the rotating rod in the utility model;

[0019] Figure 5 It is a structure schematic view of the first electric telescopic rod and the mounting plate in the utility model.

[0020] In the figure: 1, monitoring device body; 2, display panel; 3, control button; 4, containing box; 5, first electric telescopic rod; 6, fixed block; 7, mounting plate; 8, mounting hole; 9, detection assembly; 10, containing box; 11, second electric telescopic rod; 12, hollow cylinder; 13, communication pipe; 14, flange; 15, dust suction port; 16, motor; 17, rotating rod; 18, brush; 19, hanging plate; 20, strip-shaped port. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail with the help of the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of electrostatic principle respirable dust on-line monitoring device, including monitoring device body 1, the top of monitoring device body 1 is provided with detection assembly 9, the top of monitoring device body 1 is fixedly connected with containing box 10, the inner chamber of containing box 10 is vertically fixedly connected with second electric telescopic rod 11, the top of second electric telescopic rod 11 is movably extended to the outside of containing box 10, and hollow cylinder 12 is fixedly connected.

[0023] Several dust suction ports 15 are formed in the inner wall surface of hollow cylinder 12, and a motor 16 is fixedly connected to the bottom of the inner wall of hollow cylinder 12.

[0024] The surface of rotating rod 17 is fixedly connected with several brushes 18 that can contact with the probe of detection assembly 9, and the bottom of monitoring device body 1 is provided with a height-adjustable support mechanism.

[0025] When second electric telescopic rod 11 is extended, hollow cylinder 12 can be lifted, hollow cylinder 12 is covered outside the probe of detection assembly 9, the surface of brush 18 contacts with the probe, and after rotating rod 17 is driven to rotate by motor 16, multiple brushes 18 brush the surface of the probe of hanging plate 19 to clean it, so that dust on the surface of the probe is avoided, and the quality monitoring result of air is affected.

[0026] During the cleaning process of the probe surface, the airflow inside hollow cylinder 12 can be extracted to generate negative pressure inside hollow cylinder 12, so that the dust generated during cleaning can be sucked and removed, the monitoring accuracy of detection assembly 9 for air is ensured, and the use of respirable dust on-line monitoring is facilitated.

[0027] Further, the side wall of hollow cylinder 12 is communicated with a communication pipe 13, and the other end of communication pipe 13 is provided with a flange 14.

[0028] In the embodiment, the flange plate 14 facilitates the communication between the external dust suction device and the communication pipe 13, and thus the dust can be sucked and removed.

[0029] Further, the rear end of the two side faces of the monitoring device body 1 is fixedly connected with a hanging plate 19, and a strip-shaped opening 20 is formed in the hanging plate 19.

[0030] In the embodiment, the hanging plate 19 and the strip-shaped opening 20 facilitate the hanging of the monitoring device body 1, and the monitoring device body 1 is conveniently connected and fixed to the wall or the column.

[0031] Further, the monitoring device body 1 is provided with a display panel 2, and a plurality of control buttons 3 are arranged on the monitoring device body 1, and the display panel 2 and the control buttons 3 are prior art, which will not be repeated here.

[0032] Further, the support mechanism comprises a containing box 4, a first electric telescopic rod 5 and a fixed block 6, the containing box 4 is fixedly connected to the bottom of the monitoring device body 1 in the vertical direction, the first electric telescopic rod 5 is fixedly connected to the top of the inner wall of the containing box 4 in the vertical direction, the fixed block 6 is fixedly connected to the bottom end of the first electric telescopic rod 5, the bottom of the fixed block 6 is fixedly connected with a mounting plate 7, and a plurality of mounting holes 8 are formed in the surface of the mounting plate 7.

[0033] In the embodiment, the first electric telescopic rod 5 can adjust the supporting height of the monitoring device body 1 during the telescopic movement, and the device can be directly placed inside for use.

[0034] Further, a plurality of dust suction openings 15 are evenly and spacedly arranged along the surface of the hollow cylinder 12.

[0035] The working principle and use process of the utility model are as follows: after the utility model is installed, the second electric telescopic rod 11 is elongated, the hollow cylinder 12 is driven to rise, the hollow cylinder 12 is arranged outside the probe of the detection assembly 9, the brushes 18 are in contact with the surface of the probe, the plurality of brushes 18 can be driven to brush the surface of the probe of the hanging plate 19 after the rotating rod 17 is driven to rotate by the motor 16, dust on the surface of the probe is cleaned, the quality of the air monitoring result is not affected, and the process of cleaning the dust on the surface of the probe can be carried out by extracting the airflow in the hollow cylinder 12, so that the negative pressure is generated in the hollow cylinder 12, the dust generated in the cleaning process can be sucked and removed, and the monitoring accuracy of the detection assembly 9 is ensured.

[0036] The above merely describes the preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An online monitoring device for respirable dust based on electrostatic principle, comprising a monitoring device body (1), characterized in that: The top of the monitoring device body (1) is provided with a detection component (9), and the top of the monitoring device body (1) is fixedly connected with a receiving box (10). The inner cavity of the receiving box (10) is vertically fixedly connected with a second electric telescopic rod (11). The top end of the second electric telescopic rod (11) extends movably to the outside of the receiving box (10) and is fixedly connected with a hollow cylinder (12). The hollow cylinder (12) has several dust suction ports (15) on its inner wall. A motor (16) is fixedly connected to the bottom of the inner wall of the hollow cylinder (12). A rotating rod (17) is vertically fixedly connected to the output shaft of the motor (16). Several brushes (18) that can contact the probe of the detection component (9) are fixedly connected to the surface of the rotating rod (17). The bottom of the monitoring device body (1) is provided with a support mechanism that can adjust the height.

2. The electrostatic principle respirable dust online monitoring device as described in claim 1, characterized in that: The side wall of the hollow cylinder (12) is connected to a connecting pipe (13), and a flange (14) is provided at the other end of the connecting pipe (13).

3. The electrostatic principle respirable dust online monitoring device as described in claim 1, characterized in that: The monitoring device body (1) has a mounting plate (19) fixedly connected to the rear end of both sides, and the mounting plate (19) has a strip-shaped opening (20).

4. The electrostatic principle respirable dust online monitoring device as described in claim 1, characterized in that: The monitoring device body (1) is provided with a display panel (2) and a number of control buttons (3).

5. The electrostatic principle respirable dust online monitoring device as described in claim 1, characterized in that: The support mechanism includes a housing (4), a first electric telescopic rod (5), and a fixing block (6). The housing (4) is vertically fixed to the bottom of the monitoring equipment body (1). The first electric telescopic rod (5) is vertically fixed to the top of the inner wall of the housing (4). The fixing block (6) is fixedly connected to the bottom of the first electric telescopic rod (5). The bottom of the fixing block (6) is fixedly connected to a mounting plate (7). The surface of the mounting plate (7) is provided with several mounting holes (8).

6. The electrostatic principle respirable dust online monitoring device as described in claim 5, characterized in that: The multiple suction ports (15) are arranged in a ring-shaped, uniformly spaced pattern along the surface of the hollow cylinder (12).

Images