Flying dust online monitoring device with flow control function

Abstract

The utility model discloses a flying dust on-line monitoring device with a flow control function, which comprises a device body, an air inlet arranged at the top of the device body, a moving mechanism arranged on the surface of the front side of a support plate, a paper tape arranged on the moving mechanism, and a self-adjusting mechanism arranged on the surface of the rear side of the support plate, the moving mechanism comprises two rotating seats and two fixing sleeves, positioning seats are fixedly connected to the two rotating seats, and limiting blocks are fixedly connected to the surfaces of one sides of the positioning seats. According to the flying dust online monitoring device with the flow control function, a rotating head is rotated to drive a pushing rod to move, so that the pushing rod is gradually separated from an inclined block, a movable clamping block is retracted into a positioning seat, constraint on a fixing sleeve is relieved, a paper tape is conveniently replaced, and the convenience of replacement and use is effectively improved; and the air inlet flow is detected through the flow sensor, and the main control chip adjusts the power of the air pump according to the air inlet flow, so that the purpose of adjusting the flow in real time is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust online monitoring, in particular to an online dust monitoring device with a flow control function. Background Art

[0002] The β-ray dust concentration measuring instrument uses an air pump to suck dust into the equipment. A paper tape is used between the air pump and the suction port. The paper tape can pass through air but not dust. After a certain period of suction, the weight of the inhaled dust is calculated using the barrier decay principle of β rays. The dust concentration under the current working conditions is calculated based on the inhaled air volume and the inhaled dust weight. In the existing technology, it is inconvenient to replace the paper tape, and the more dust concentration accumulates on the paper tape, the greater the resistance to the air pump, the airflow of the air pump will decrease, affecting the dust collection concentration, and it is inconvenient to adjust the gas flow. Utility Model Content

[0003] In response to the shortcomings of the existing technology, the utility model provides an online dust monitoring device with a flow control function, which solves the problem that it is inconvenient to replace the paper tape, and the more dust concentration accumulates on the paper tape, the greater the resistance to the air pump, the airflow of the air pump will decrease, affecting the dust collection concentration and making it inconvenient to adjust the gas flow.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: an online dust monitoring device with a flow control function, comprising a device body, an air inlet installed on the top of the device body, a support plate fixedly connected to the inside of the device body, a moving mechanism installed on the front surface of the support plate, a paper tape installed on the moving mechanism, and a self-adjusting mechanism installed on the rear surface of the support plate;

[0005] The movable mechanism comprises two rotating seats and two fixed sleeves, and both rotating seats are fixedly connected to positioning seats, and one side surface of the positioning seat is fixedly connected to a limiting block, and a locking screw is rotatably connected to the inside of the positioning seat, and the end of the locking screw is fixedly connected to a gear sleeve, and the locking screw is threadedly connected to a locking nut, and the locking nut is fixedly connected to a guide slider, and the end of the guide slider is fixedly connected to a push rod, and the bottom inner side of the positioning seat is slidably connected to a movable block, and a return spring is provided on one side of the movable block, and the end of the movable block is fixedly connected to a tilting block, and the fixed sleeve is rotatably connected to a rotating head, and the end of the rotating head is fixedly connected to a driving gear.

[0006] Preferably, the two rotating seats are both rotatably connected to the support plate, and a driving motor is fixedly connected to the end of one of the rotating seats, so that the driving motor can drive the two rotating seats to rotate, thereby facilitating the movement of the paper tape.

[0007] Preferably, the locking nut is slidably connected to the inner wall of the positioning seat through a guide slider, and the end of the push rod is in contact with the inclined surface of the tilting block, so that it can guide the movement of the locking nut.

[0008] Preferably, the end of the movable block passes through the positioning seat and partially extends to the outside of the positioning seat. A fixed slot is provided inside the fixing sleeve, and the fixed slot matches the movable block, so that the movable block can fix the fixing sleeve.

[0009] Preferably, one end of the reset spring is fixedly connected to the movable block, and the other end of the reset spring is fixedly connected to the inner wall of the positioning seat, so that the movable block can be reset.

[0010] Preferably, a hexagonal groove is provided on the rotating head, the end of the rotating head passes through the fixed sleeve and is fixedly connected to the driving gear, and the driving gear matches the gear sleeve, so that the rotating head can be easily driven to rotate, so that the rotating head can drive the gear sleeve to rotate through the driving gear.

[0011] Preferably, the self-regulating mechanism includes a main control board, to which a main control chip is fixedly connected, the main control board is fixedly mounted on the rear surface of the support plate, the end of the main control board is connected to an air pump, and the air inlet end of the air pump is connected to a flow sensor, which can adjust the power of the air pump according to the air intake volume to achieve the purpose of real-time flow regulation, so that the sampling flow rate is always maintained at the set value to ensure the accuracy of the final calculated concentration.

[0012] The utility model provides an online dust monitoring device with flow control function. Compared with the existing technology, it has the following advantages:

[0013] 1. The dust online monitoring device with flow control function drives the push rod to move by rotating the rotary head, so that the push rod is gradually separated from the tilting block, the movable card block is put into the positioning seat, the constraint on the fixed sleeve is released, and the fixed sleeve is removed from the positioning seat, which facilitates the replacement of the paper tape, thereby effectively improving the convenience of replacement and use.

[0014] 2. The dust online monitoring device with flow control function detects the intake flow through a flow sensor. The main control chip adjusts the power of the air pump according to the intake volume to achieve the purpose of real-time flow regulation, so that the sampling flow is always maintained at the set value to ensure the accuracy of the final calculated concentration. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the support plate structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the mobile mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the positioning seat of the utility model;

[0019] Figure 5 This is a schematic structural diagram of the self-adjusting mechanism of the utility model.

[0020] In the figure: 1. Device body; 2. Moving mechanism; 201. Rotating seat; 202. Fixed sleeve; 203. Positioning seat; 204. Limit block; 205. Locking screw; 206. Gear sleeve; 207. Locking nut; 208. Guide slider; 209. Push rod; 210. Movable block; 211. Return spring; 212. Tilting block; 213. Rotating head; 214. Driving gear; 3. Air inlet; 4. Self-adjusting mechanism; 401. Air pump; 402. Flow sensor; 403. Main control board; 404. Main control chip; 5. Paper tape. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The utility model provides a technical solution: an online dust monitoring device with a flow control function, comprising a device body 1, an air inlet 3 installed on the top of the device body 1, a support plate fixedly connected to the inside of the device body 1, a moving mechanism 2 installed on the front surface of the support plate, a paper tape 5 installed on the moving mechanism 2, a β-ray dust concentration measuring instrument installed on one side of the paper tape 5, which can detect the concentration of dust on the paper tape 5, a self-adjusting mechanism 4 installed on the rear surface of the support plate, the paper tape 5 can be moved by the moving mechanism 2, and the paper tape 5 can be easily replaced, thereby effectively improving the convenience of replacement and use, and the self-adjusting mechanism 4 can adjust the flow in real time, so that the sampling flow is always maintained at the set value to ensure the accuracy of the final calculated concentration.

[0023] The moving mechanism 2 includes two rotating seats 201 and two fixed sleeves 202. The two rotating seats 201 are both rotatably connected to the support plate, and a driving motor is fixedly connected to the end of one rotating seat 201, so that the driving motor can drive the two rotating seats 201 to rotate, thereby facilitating the movement of the paper tape 5. A positioning seat 203 is fixedly connected to the two rotating seats 201. A limited block 204 is fixedly connected to the surface of one side of the positioning seat 203. A locking screw 205 is rotatably connected to the interior of the positioning seat 203. The end of the locking screw 205 is fixedly connected to the The toothed sleeve 206 is connected, and a locking nut 207 is threadedly connected to the locking screw 205. A guide slider 208 is fixedly connected to the locking nut 207. The end of the guide slider 208 is fixedly connected to the push rod 209. The locking nut 207 is slidably connected to the inner wall of the positioning seat 203 through the guide slider 208, so that it can guide the movement of the locking nut 207. The end of the push rod 209 contacts the inclined surface of the tilting block 212, so that the push rod 209 can contact and separate with the tilting block 212, and the inner bottom of the positioning seat 203 The movable card block 210 is slidably connected to the inner portion, and the end of the movable card block 210 passes through the positioning seat 203 and partially extends to the outside of the positioning seat 203. A fixed card slot is provided inside the fixed sleeve 202, and the fixed card slot matches the movable card block 210, so that the movable card block 210 can fix the fixed sleeve 202. A return spring 211 is provided on one side of the movable card block 210, and one end of the return spring 211 is fixedly connected to the movable card block 210, and the other end of the return spring 211 is fixedly connected to the inner wall of the positioning seat 203, so that the movable card block 210 can be moved. To reset the screw, the end of the movable block 210 is fixedly connected to the tilting block 212, and the internal rotation of the fixed sleeve 202 is connected to the rotating head 213, and the end of the rotating head 213 is fixedly connected to the driving gear 214. The rotating head 213 is provided with an inner hexagonal groove, and the end of the rotating head 213 passes through the fixed sleeve 202 and is fixedly connected to the driving gear 214. The driving gear 214 matches the gear sleeve 206, so that the rotating head 213 can be easily driven to rotate, so that the rotating head 213 can drive the gear sleeve 206 to rotate through the driving gear 214.

[0024] See also Figure 2 and Figure 5 The self-regulating mechanism 4 includes a main control board 403, to which a main control chip 404 is fixedly connected. The main control board 403 is fixedly mounted on the rear surface of the support plate. The end of the main control board 403 is connected to an air pump 401, and the air inlet end of the air pump 401 is connected to a flow sensor 402. The air intake flow can be detected by the flow sensor 402. The main control chip 404 adjusts the power of the air pump 401 according to the air intake volume to achieve the purpose of real-time flow regulation, so that the sampling flow is always maintained at the set value to ensure the accuracy of the final calculated concentration.

[0025] During operation, the rotating head 213 is rotated, and the rotating head 213 rotates to drive the driving gear 214 to rotate, and the driving gear 214 rotates to drive the gear sleeve 206 to rotate, and the gear sleeve 206 rotates to drive the locking screw 205 to rotate, and the locking screw 205 rotates to drive the locking nut 207 to move, and the locking nut 207 moves to drive the pushing rod 209 to move, so that the pushing rod 209 gradually separates from the tilting block 212, and the tilting block 212 loses its constraint and cooperates with the reset spring 211 to reset. The tilting block 212 moves to drive the movable card block 210 to move, and the movable card block 210 is collected into the interior of the positioning seat 203, releasing the constraint on the fixed sleeve 202, and the fixed sleeve 202 is removed from the positioning seat 203, which is convenient for replacing the paper tape 5, thereby effectively improving the convenience of replacement and use.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An online dust monitoring device with a flow control function, comprising a device body (1), characterized in that: An air inlet (3) is installed on the top of the device body (1), a support plate is fixedly connected to the inside of the device body (1), a moving mechanism (2) is installed on the front surface of the support plate, a paper tape (5) is installed on the moving mechanism (2), and a self-adjusting mechanism (4) is installed on the rear surface of the support plate; The moving mechanism (2) comprises two rotating seats (201) and two fixed sleeves (202), the two rotating seats (201) are fixedly connected to a positioning seat (203), one side surface of the positioning seat (203) is fixedly connected to a limiting block (204), the positioning seat (203) is internally rotatably connected to a locking screw (205), the end of the locking screw (205) is fixedly connected to a gear sleeve (206), the locking screw (205) is threadedly connected to a locking nut (207), and the locking nut (207) is threadedly connected to the locking screw (207). 7) is fixedly connected with a guide slider (208), the end of the guide slider (208) is fixedly connected with a push rod (209), the bottom of the inner side of the positioning seat (203) is slidably connected with a movable clamping block (210), one side of the movable clamping block (210) is provided with a return spring (211), the end of the movable clamping block (210) is fixedly connected with a tilting block (212), the interior of the fixed sleeve (202) is rotatably connected with a rotating head (213), and the end of the rotating head (213) is fixedly connected with a driving gear (214).

2. The dust online monitoring device with flow control function according to claim 1 is characterized in that: The two rotating seats (201) are both rotatably connected to the support plate, and a driving motor is fixedly connected to the end of one of the rotating seats (201).

3. The dust online monitoring device with flow control function according to claim 1 is characterized in that: The locking nut (207) is slidably connected to the inner wall of the positioning seat (203) through the guide slider (208), and the end of the pushing rod (209) contacts the inclined surface of the tilting block (212).

4. The dust online monitoring device with flow control function according to claim 1 is characterized in that: The end of the movable clamping block (210) passes through the positioning seat (203) and partially extends to the outside of the positioning seat (203); a fixed clamping slot is provided inside the fixing sleeve (202), and the fixed clamping slot matches the movable clamping block (210).

5. The dust online monitoring device with flow control function according to claim 1 is characterized in that: One end of the reset spring (211) is fixedly connected to the movable clamping block (210), and the other end of the reset spring (211) is fixedly connected to the inner wall of the positioning seat (203).

6. The dust online monitoring device with flow control function according to claim 1 is characterized in that: The rotating head (213) is provided with an inner hexagonal groove. The end of the rotating head (213) passes through the fixed sleeve (202) and is fixedly connected to the driving gear (214). The driving gear (214) matches the gear sleeve (206).

7. The dust online monitoring device with flow control function according to claim 1 is characterized in that: The self-adjusting mechanism (4) comprises a main control board (403), a main control chip (404) is fixedly connected to the main control board (403), and the main control board (403) is fixedly mounted on the rear surface of the support plate.

8. The dust online monitoring device with flow control function according to claim 7, characterized in that: The end of the main control board (403) is connected to an air pump (401), and the air inlet end of the air pump (401) is connected to a flow sensor (402).

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