A particulate matter automatic monitoring device and a monitoring method thereof

Abstract

The application discloses a kind of particulate matter automatic monitoring device and monitoring method thereof, it is related to particulate matter monitoring technical field, including detection device and air inlet device, the air inlet device is set at the top of detection device, the top of air inlet device is rotatably installed with air inlet pipe, the surface of air inlet pipe is provided with control device;Among them, control device includes connecting gear, drive device, transmission gear, support frame, arc block, push rod, ring sleeve, air inlet, inclined block and sealing cover, the connecting gear is fixedly installed on the circumference of air inlet pipe, the drive device is slidably installed at the top of air inlet device, the transmission gear is fixedly installed on the circumference of drive device output end, so that the position of air inlet air inlet can be changed, so that the position of detection can be adjusted, so that the detection of particulate matter can be more accurate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of particulate matter monitoring, in particular to a particulate matter automatic monitoring device and a monitoring method thereof. BACKGROUND

[0002] Particulate matter monitoring is an important field in environmental monitoring, mainly used for detecting and analyzing the concentration and characteristics of suspended particulate matter in the air. These particulate matters may include dust, smoke, pollen and other fine substances.

[0003] The patent with patent number CN218766501U relates to an environmental air particulate matter automatic monitoring device with remote monitoring function, comprising a box body and a protective shell, the inner cavity of the protective shell is fixedly connected with a monitoring device body, the bottom of the front side of the inner cavity of the box body is rotatably connected with a long rod, the top end of the long rod penetrates to the outside of the box body and is fixedly connected with the protective shell, a square block is sleeved on the surface of the long rod, and an adjusting block is rotatably connected on the surface of the square block. The patent has the advantage of angle adjustment. During actual use, the angle of the installed monitoring device body can be adjusted, thereby increasing the monitoring range of the monitoring device body, so that the monitoring device body can monitor the concentration of particulate matter in the surrounding air from multiple directions, thereby improving the monitoring efficiency. At the same time, the user can easily and conveniently disassemble the monitoring device body, thereby improving the installation efficiency of the monitoring device body.

[0004] In the above-mentioned patent, the concentration of particulate matter in the surrounding air can be monitored from multiple directions, thereby improving the monitoring efficiency. At the same time, the user can easily and conveniently disassemble the monitoring device body, thereby improving the installation efficiency of the monitoring device body. However, when detecting particulate matter in the air, the detection accuracy is affected due to the fixed detection range, and the detection position cannot be adjusted during detection. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a particulate matter automatic monitoring device and a monitoring method thereof, which solves the problems raised in the above background art.

[0006] To achieve the above purpose, the present application realizes the following technical scheme: a particulate matter automatic monitoring device, comprising a detection device and an air inlet device, the air inlet device is arranged at the top of the detection device, a gas inlet pipe is rotatably installed at the top of the air inlet device, and a control device is arranged on the surface of the gas inlet pipe.

[0007] The control device comprises a connecting gear, a driving device, a transmission gear, a support frame, an arc-shaped block, a pushing rod, a ring-shaped sleeve, an air inlet, an inclined block and a sealing cover, the connecting gear is fixedly installed on the circumferential surface of the air inlet pipe, the driving device is slidingly installed on the top of the air inlet device, the transmission gear is fixedly installed on the circumferential surface of the output end of the driving device, the transmission gear is engaged with the connecting gear, the support frame is fixedly installed on the bottom of the outer wall of the air inlet pipe, the arc-shaped block is fixedly installed on the top of the air inlet device, the pushing rod is slidingly penetrated through the support frame, the ring-shaped sleeve is slidingly installed in the air inlet pipe, the air inlet is fixedly installed on the top of the air inlet pipe, the inclined block is fixedly installed on the left side of the ring-shaped sleeve, and the sealing cover is fixedly installed on the top of the air inlet device.

[0008] According to the technical scheme, the ring-shaped sleeve and the air inlet pipe are provided with a spring, the pushing rod is slidingly penetrated through the inner and outer walls of the air inlet pipe, the pushing rod can be in contact with the inclined block when moving upwards, the bottom of the pushing rod is in contact with the top of the arc-shaped block, the top of the pushing rod is in contact with the inclined block, and a support spring is arranged between the pushing rod and the support frame, so that the arc-shaped block can push the pushing rod to move when the pushing rod rotates.

[0009] According to the technical scheme, the circumferential surface of the air inlet pipe is provided with a protection device for protecting the air inlet pipe from impact, and the surface of the air inlet device is provided with a support device for preventing the detection device from falling, the protection device comprises a protection cover, an elastic telescopic rod, an annular plate, a connecting block, an inclined plate, a horizontal plate, an annular block, a pressing rod and a spherical block, the protection cover is fixedly installed on the circumferential surface of the air inlet pipe through a spring sheet, the elastic telescopic rod is fixedly installed on the left side of the protection cover, the annular plate is slidingly installed on the circumferential surface of the air inlet pipe, the free end of the elastic telescopic rod is slidingly connected with the right side of the annular plate, the connecting block is fixedly installed on the left side of the fixed end of the elastic telescopic rod, the inclined plate is fixedly installed on the right side of the annular plate, the horizontal plate is sleeved on the circumferential surface of the air inlet pipe, the annular block is fixedly installed on the top of the horizontal plate, the pressing rod is fixedly installed on the bottom of the horizontal plate, and the spherical block is fixedly installed on the top of the output end of the driving device, the protection cover can protect the air inlet pipe, the reverse force of the obstacle can push the protection cover to move towards the air inlet pipe, and the protection cover can drive the elastic telescopic rod to move when moving.

[0010] According to the technical scheme, the left side of the driving device is fixedly installed with a fixed rod, the circumferential surface of the fixed rod is fixedly installed with an inclined disc, the inner wall bottom of the sealing cover is fixedly installed with an elastic expansion block, the elastic expansion block limits the right reset of the inclined disc and the driving device, thereby preventing the re-engagement of the connecting gear and the transmission gear, and causing the driving device to continue to drive the air inlet pipe to rotate.

[0011] According to the technical scheme, the bottom free end of the elastic expansion block is provided with an inclined surface, the inclined surface is located at the right side of the bottom of the elastic expansion block, the right side of the bottom of the elastic expansion block is provided with an inclined surface, the elastic expansion block is provided with a one-way blocking function for the inclined disc, the bottom of the extrusion rod is in contact with the spherical block, the inclined disc and the sealing cover are provided with a second spring, and the annular plate is in contact with the annular block.

[0012] According to the technical scheme, the support device comprises a flat plate, a transmission plate, a transmission rod, a circular cylinder, a moving plate, a connecting rod, a support plate, a clamping block and a clamping rod, the flat plate is fixedly installed on the circumferential surface of the air inlet device, the transmission plate is fixedly installed on the top of the flat plate through a second elastic sheet, the transmission rod is fixedly installed on the top of the transmission plate, the circular cylinder is fixedly installed on the bottom of the flat plate, the moving plate is slidingly installed in the circular cylinder, the connecting rod is fixedly installed on the right side of the moving plate, the support plate is fixedly installed on the end of the connecting rod away from the moving plate, the clamping block is fixedly installed on the left side of the moving plate, and the clamping rod is fixedly installed on the bottom of the transmission plate. The inclined surface of the inclined disc is in contact with the transmission rod, so that when the inclined disc moves to the left, the transmission rod moves downward, and when the transmission rod moves downward, the transmission plate moves downward.

[0013] According to the technical scheme, the moving plate and the circular cylinder are provided with a third spring, the elastic force of the third spring drives the moving plate to move, the clamping rod slidingly penetrates the flat plate, and the transmission rod slidingly penetrates the air inlet device, so that the air inlet device supports the transmission rod.

[0014] According to the technical scheme, the clamping block is in contact with the clamping rod, the top of the transmission rod is in contact with the inclined disc, and the bottom of the flat plate is provided with three circular cylinders, so that the detection device can be protected when the support plate tilts in any direction.

[0015] A monitoring method of a particulate matter automatic monitoring device, using the above-mentioned particulate matter automatic monitoring device, comprising the following steps:

[0016] Step one: when it is necessary to detect particulate matter in the air, the air inlet device introduces air into the inside of the detection device through the air inlet pipe and the air inlet;

[0017] Step two: start the driving device, the driving device works will drive the transmission gear to rotate, the transmission gear rotates will drive the connecting gear and the air inlet pipe to rotate;

[0018] Step three: the air inlet pipe rotates will drive the support frame to rotate, the support frame rotates will drive the push rod to rotate, the push rod rotates will contact with the arc block;

[0019] Step four: the arc block will push the push rod to move upwards, the push rod will push the inclined block and the annular sleeve to move, so that the air inlet position of the air inlet can be adjusted.

[0020] The present application provides a kind of particulate matter automatic monitoring device and monitoring method thereof.It has the following beneficial effects:

[0021] (1) the application, through driving device and transmission gear will drive the air inlet pipe to rotate, by the air inlet pipe rotation can increase the range of detection, make the detection of particulate matter more accurate, the air inlet pipe rotates will drive the support frame and push rod to rotate, push rod and arc block contact push rod will push the inclined block and arc sleeve to move, annular sleeve will intermittently block the air inlet, so that the position of the air inlet can be changed, so that the position of detection can be adjusted, so that the detection of particulate matter can be more accurate.

[0022] (2) the application, the air inlet pipe rotates will drive the protective cover to rotate, the protective cover can play the effect of protection to the end of the air inlet pipe, when the protective cover collides with the obstacle, the protective cover will move to the position of the air inlet pipe, so that the connecting block on the elastic expansion rod will push the inclined plate and the annular plate to move, the annular plate moves when extruding rod will push the driving device to move away from the connecting gear, the connecting gear will disengage with the transmission gear, so that the transmission gear cannot continue to drive the air inlet pipe to rotate, avoid the air inlet pipe continue to hit the obstacle, at the same time, the elastic expansion block can avoid the inclined disc and the driving device reset.

[0023] (3) the application, the inclined disc moves will push the transmission rod to move downwards, the transmission rod moves downwards will drive the transmission plate to move downwards, the transmission plate moves downwards when the detent rod will release the limiting of the clamping block, the moving plate and the connecting rod will drive the supporting plate to move, the supporting plate opens and protects the detection device around, avoid the air inlet pipe from being hit to cause the detection device to dump on the ground and damage the detection device, so that the supporting plate can play the effect of buffering when the detection device is hit on the ground, prevent the detection device from being directly hit on the ground. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the whole structure schematic diagram of the present application;

[0025] Figure 2It is the whole section structure schematic diagram of the application;

[0026] Figure 3 It is the internal structure schematic diagram of the application intake pipe;

[0027] Figure 4 It is the application Figure 2 A part structure enlarged schematic diagram in the application;

[0028] Figure 5 It is the application ring plate and inclined plane position structure schematic diagram;

[0029] Figure 6 It is the application shield and elastic telescopic rod position structure schematic diagram;

[0030] Figure 7 It is the application flat plate and circular cylinder position structure schematic diagram;

[0031] Figure 8 It is the application flat plate section structure schematic diagram;

[0032] Figure 9 It is the application circular cylinder internal structure schematic diagram.

[0033] In the figure: 1, detection device; 2, intake device; 3, intake pipe; 4, connecting gear; 5, drive device; 6, transmission gear; 7, support frame; 8, arc block; 9, push rod; 10, annular sleeve; 11, air inlet; 12, inclined plane block; 13, sealing cover; 141, shield; 142, elastic telescopic rod; 143, ring plate; 144, connecting block; 145, inclined plane plate; 146, cross plate; 147, annular block; 148, extrusion rod; 149, fixed rod; 1410, inclined plane disc; 1411, elastic telescopic block; 1412, spherical block; 151, flat plate; 152, transmission plate; 153, transmission rod; 154, circular cylinder; 155, moving plate; 156, connecting rod; 157, support plate; 158, clamping block; 159, clamping rod. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0035] Please refer to Figures 1-9One embodiment of the present application is: a particulate matter automatic monitoring device, comprising a detection device 1 and an air inlet device 2, the air inlet device 2 is arranged at the top of the detection device 1, the top of the air inlet device 2 is rotatably installed with an air inlet pipe 3, the surface of the air inlet pipe 3 is provided with a control device;

[0036] Among them, the control device includes connecting gear 4, drive device 5, transmission gear 6, support frame 7, arc block 8, push rod 9, ring sleeve 10, air inlet 11, inclined block 12 and sealing cover 13, connecting gear 4 is fixedly installed on the circumferential surface of air inlet pipe 3, drive device 5 is slidably installed on the top of air inlet device 2, transmission gear 6 is fixedly installed on the circumferential surface of the output end of drive device 5, transmission gear 6 is engaged with connecting gear 4, support frame 7 is fixedly installed on the bottom of the outer wall of air inlet pipe 3, arc block 8 is fixedly installed on the top of air inlet device 2, push rod 9 is slidably penetrated through support frame 7, ring sleeve 10 is slidably installed in the inside of air inlet pipe 3, air inlet 11 is fixedly installed on the top of air inlet pipe 3, inclined block 12 is fixedly installed on the left side of ring sleeve 10, sealing cover 13 is fixedly installed on the top of air inlet device 2, the top of air inlet pipe 3 is provided with two air inlets 11, ring sleeve 10 can intermittently block air inlet 11, so that the position of air inlet 11 can be changed, so that the detection position can be adjusted, and the detection of particulate matter can be more accurate.

[0037] A spring is arranged between the ring sleeve 10 and the air inlet pipe 3, the push rod 9 is slidably penetrated through the inner and outer walls of the air inlet pipe 3, so that the push rod 9 can be in contact with the inclined block 12 when moving upward, the bottom of the push rod 9 is in contact with the top of the arc block 8, the top of the push rod 9 is in contact with the inclined block 12, a supporting spring is arranged between the push rod 9 and the support frame 7, the supporting spring supports the push rod 9 in the inside of the left frame 7, so that the arc block 8 can push the push rod 9 to move when the push rod 9 rotates.

[0038] A monitoring method of a particulate matter automatic monitoring device, using the above-mentioned particulate matter automatic monitoring device, comprising the following steps:

[0039] Step one: when the particulate matter in the air needs to be detected, the air inlet device 2 is used to inlet air into the inside of the detection device 1 through the air inlet pipe 3 and the air inlet 11;

[0040] Step two: start the drive device 5, the drive device 5 works to drive the transmission gear 6 to rotate, the transmission gear 6 rotates to drive the connecting gear 4 and the air inlet pipe 3 to rotate;

[0041] Step three: the air inlet pipe 3 rotates to drive the support frame 7 to rotate, the support frame 7 rotates to drive the push rod 9 to rotate, the push rod 9 rotates to contact with the arc block 8;

[0042] Step four: the arc block 8 will push the push rod 9 to move up, the push rod 9 will push the inclined block 12 and the ring sleeve 10 to move, so that the air inlet position of the air inlet 11 can be adjusted.

[0043] When the air needs to be detected, the air inlet device 2 is inhaled into the inside of the detection device 1 through the air inlet pipe 3 and the air inlet 11, and the detection device 1 detects the particles in the air. When the air inlet pipe 3 inhales, the driving device 5 is started, and the driving device 5 drives the transmission gear 6 to rotate when it works, and the transmission gear 6 drives the connecting gear 4 and the air inlet pipe 3 to rotate when it rotates, and the air inlet pipe 3 drives the support frame 7 to rotate when it rotates, and the support frame 7 drives the push rod 9 to rotate when it rotates, and the push rod 9 is in contact with the arc block 8 when it rotates, and the reverse force of the arc block 8 pushes the push rod 9 to move up, and the push rod 9 is in contact with the inclined surface of the inclined block 12 when it moves up, so that the push rod 9 pushes the inclined block 12 and the ring sleeve 10 to move when it moves up, and the ring sleeve 10 intermittently blocks the two air inlets 11 when it moves, so that the position of the air inlet pipe 3 can be switched, so that the particles in the air at different positions can be detected.

[0044] Please refer to Figures 1-9 On the basis of the above embodiment, in another embodiment of the application, the circumference of the air inlet pipe 3 is provided with a protection device for protecting the air inlet pipe 3 from being hit, and the surface of the air inlet device 2 is provided with a supporting device for preventing the detection device 1 from falling, the protection device comprises a protective cover 141, an elastic telescopic rod 142, an annular plate 143, a connecting block 144, an inclined plate 145, a horizontal plate 146, an annular block 147, an extrusion rod 148 and a spherical block 1412, the protective cover 141 is fixedly installed on the circumference of the air inlet pipe 3 by a No. 1 elastic sheet, the elastic telescopic rod 142 is fixedly installed on the left side of the protective cover 141, the annular plate 143 is slidingly installed on the circumference of the air inlet pipe 3, the free end of the elastic telescopic rod 142 is slidingly connected with the right side of the annular plate 143, the connecting block 144 is fixedly installed on the left side of the fixed end of the elastic telescopic rod 142, the inclined plate 145 is fixedly installed on the right side of the annular plate 143, the horizontal plate 146 is sleeved on the circumference of the air inlet pipe 3, the annular block 147 is fixedly installed on the top of the horizontal plate 146, the extrusion rod 148 is fixedly installed on the bottom of the horizontal plate 146, and the spherical block 1412 is fixedly installed on the top of the output end of the driving device 5. The connecting gear 4 is disengaged from the transmission gear 6, so that the transmission gear 6 cannot continue to drive the air inlet pipe 3 to rotate, and the air inlet pipe 3 is prevented from continuing to hit the obstacle.

[0045] The left side of the driving device 5 is fixedly provided with a fixed rod 149, the circumferential surface of the fixed rod 149 is fixedly provided with an inclined disc 1410, the inner wall bottom of the sealing cover 13 is fixedly provided with an elastic expansion block 1411, the elastic expansion block 1411 can limit the right reset of the inclined disc 1410 and the driving device 5, so as to prevent the re-engagement of the connecting gear 4 and the transmission gear 6, and cause the driving device 5 to continue to drive the air inlet pipe 3 to rotate.

[0046] The bottom free end of the elastic expansion block 1411 is provided with an inclined surface, the inclined surface is located at the right side of the bottom of the elastic expansion block 1411, the bottom of the elastic expansion block 1411 is in contact with the spherical block 1412 through the right side inclined surface, the inclined disc 1410 and the sealing cover 13 are provided with a second spring, and the annular plate 143 is in contact with the annular block 147.

[0047] The support device comprises a flat plate 151, a transmission plate 152, a transmission rod 153, a circular cylinder 154, a moving plate 155, a connecting rod 156, a support plate 157, a clamping block 158 and a clamping rod 159. The flat plate 151 is fixedly installed on the circumferential surface of the air inlet device 2, the transmission plate 152 is fixedly installed on the top of the flat plate 151 through the second elastic sheet, the transmission rod 153 is fixedly installed on the top of the transmission plate 152, the circular cylinder 154 is fixedly installed on the bottom of the flat plate 151, the moving plate 155 is slidingly installed in the circular cylinder 154, the connecting rod 156 is fixedly installed on the right side of the moving plate 155, the support plate 157 is fixedly installed on the end of the connecting rod 156 away from the moving plate 155, the clamping block 158 is fixedly installed on the left side of the moving plate 155, and the clamping rod 159 is fixedly installed on the bottom of the transmission plate 152. Therefore, when the detection device 1 hits the opposite side, the support plate 157 can play a buffering effect, and the detection device 1 can be prevented from directly hitting the opposite side.

[0048] The third spring is arranged between the moving plate 155 and the circular cylinder 154, the elastic force of the third spring can drive the moving plate 155 to move, the clamping rod 159 slidingly penetrates the flat plate 151, and the transmission rod 153 slidingly penetrates the air inlet device 2, so that the air inlet device 2 supports the transmission rod 153.

[0049] The clamping block 158 is in contact with the clamping rod 159, the top of the transmission rod 153 is in contact with the inclined disc 1410, and the bottom of the flat plate 151 is provided with three circular cylinders 154, so that the support plate 157 can protect the detection device 1 from falling in any direction.

[0050] When the embodiment works: the air inlet pipe 3 rotates and drives the protective cover 141 to rotate, when the air inlet pipe 3 rotates and contacts the obstacle, the protective cover 141 contacts the obstacle, the protective cover 141 has a protective effect on the air inlet pipe 3, the reverse force of the obstacle pushes the protective cover 141 to move in the direction of the air inlet pipe 3, the protective cover 141 moves and drives the elastic telescopic rod 142 to move, the elastic telescopic rod 142 moves and drives the connecting block 144 to move, the connecting block 144 moves and contacts the inclined surface of the inclined plate 145, so that the connecting block 144 moves and pushes the inclined plate 145 to move to the left, the inclined plate 145 moves to the left and drives the arc surface of the annular block 147 to contact, so that the inclined plate 145 moves to the left and pushes the annular block 147 and the horizontal plate 146 to move downward, the horizontal plate 146 moves downward and drives the extrusion rod 148 to move downward, the extrusion rod 148 moves downward and contacts the spherical block 1412, the extrusion rod 148 moves downward and pushes the spherical block 1412 and the driving device 5 to move to the left, the driving device 5 moves to the right and drives the transmission gear 6 and the connecting gear 4 to disengage, so that the transmission gear 6 rotates and cannot drive the connecting gear 4 and the air inlet pipe 3 to rotate, the driving device 5 moves to the left and drives the fixed rod 149 to move to the left, the fixed rod 149 moves to the left and drives the inclined disc 1410 to move to the left, the inclined surface of the inclined disc 1410 contacts the bottom of the elastic telescopic block 1411 when the inclined disc 1410 moves to the left, the inclined disc 1410 moves to the left and pushes the free end of the elastic telescopic block 1411 to contract upward, when the inclined disc 1410 moves to the left of the elastic telescopic block 1411, the elastic force of the elastic telescopic block 1411 pushes the free end of the elastic telescopic block 1411 to move downward, so that the elastic telescopic block 1411 blocks the fixed rod 149, the inclined disc 1410 and the driving device 5 from moving to the right, and pushes the fixed rod 149 to the inside of the sealing cover 13, the movement of the fixed rod 149 pushes the driving device 5 and the inclined disc 1410 to move to the right, the inclined disc 1410 moves to the right and contacts the left inclined surface of the elastic telescopic block 1411, so that the inclined disc 1410 moves to the right and pushes the elastic telescopic block 1411 to contract upward, after the inclined disc 1410 moves to the right of the elastic telescopic block 1411, the free end of the elastic telescopic block 1411 moves downward under the action of the elastic force of the elastic telescopic block 1411, the downward movement of the elastic telescopic block 1411 pushes the inclined disc 1410 to the right of the elastic telescopic block 1411, and the movement of the driving device 5 drives the transmission gear 6 and the connecting gear 4 to reengage;

[0051] When the inclined plane disc 1410 moves to the left side, the inclined plane of the inclined plane disc 1410 will be in contact with the transmission rod 153, so that the inclined plane disc 1410 will push the transmission rod 153 to move downward when the inclined plane disc 1410 moves to the left side, the transmission rod 153 will drive the transmission plate 152 to move downward when the transmission rod 153 moves downward, the transmission plate 152 will drive the clamping rod 159 to move downward when the transmission plate 152 moves downward, the clamping rod 159 will be separated from the clamping block 158 when the clamping rod 159 moves downward, so that the clamping rod 159 will release the limiting of the clamping block 158 when the clamping rod 159 moves downward, the third spring will drive the moving plate 155 to move to the right side under the elastic force of the third spring, the moving plate 155 will drive the connecting rod 156 to move to the outside of the circular cylinder 154 when the moving plate 155 moves, the connecting rod 156 will drive the supporting plate 157 to move when the connecting rod 156 moves, the supporting plate 157 will increase the protection range of the detection device 1 when the supporting plate 157 moves, so as to avoid that the detection device 1 is directly knocked on the ground when the detection device 1 is tilted, the supporting plate 157 will have a supporting effect on the detection device 1, the supporting plate 157 will be driven to move to the direction of the circular cylinder 154, the supporting plate 157 will drive the connecting rod 156 to move to the inside of the circular cylinder 154, the connecting rod 156 will drive the moving plate 155 and the clamping block 158 to move to the direction of the clamping rod 159 when the connecting rod 156 moves, the inclined plane of the clamping block 158 will be in contact with the inclined plane of the clamping rod 159 when the clamping block 158 moves, so that the clamping block 158 will push the clamping rod 159 to move downward when the clamping block 158 moves, the clamping block 158 will be re-clamped into the inside of the clamping rod 159 when the moving plate 155 and the clamping block 158 move, and the clamping rod 159 continues to limit the clamping block 158 and the moving plate 155.

[0052] Although the embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic particulate matter monitoring device, comprising a detection device (1) and an air intake device (2), wherein the air intake device (2) is disposed on the top of the detection device (1), characterized in that: An air intake pipe (3) is rotatably mounted on the top of the air intake device (2), and a control device is provided on the surface of the air intake pipe (3). The control device includes a connecting gear (4), a drive device (5), a transmission gear (6), a support frame (7), an arc block (8), a push rod (9), an annular sleeve (10), an air inlet (11), a ramp block (12), and a sealing cover (13). The connecting gear (4) is fixedly installed on the circumferential surface of the air intake pipe (3). The drive device (5) is slidably installed on the top of the air intake device (2). The transmission gear (6) is fixedly installed on the circumferential surface of the output end of the drive device (5). The transmission gear (6) and... The connecting gear (4) meshes, the support frame (7) is fixedly installed on the bottom of the outer wall of the air intake pipe (3), the arc block (8) is fixedly installed on the top of the air intake device (2), the push rod (9) slides through the support frame (7), the annular sleeve (10) is slidably installed inside the air intake pipe (3), the air inlet (11) is fixedly installed on the top of the air intake pipe (3), the inclined block (12) is fixedly installed on the left side of the annular sleeve (10), and the sealing cover (13) is fixedly installed on the top of the air intake device (2); The circumferential surface of the air intake pipe (3) is provided with a protective device to protect the air intake pipe (3) from impact, and the surface of the air intake device (2) is provided with a support device to prevent the detection device (1) from tipping over. The protective device includes a protective cover (141), an elastic telescopic rod (142), an annular plate (143), a connecting block (144), an inclined plate (145), a horizontal plate (146), an annular block (147), a compression rod (148), and a spherical block (1412). The protective cover (141) is fixedly installed on the circumferential surface of the air intake pipe (3) by a first spring clip. The elastic telescopic rod (142) is fixedly installed on the left side of the protective cover (141). The annular plate (143) is slidably installed on the circumferential surface of the air intake pipe (3). The free end of 42) is slidably connected to the right side of the annular plate (143), the connecting block (144) is fixedly installed on the left side of the fixed end of the elastic telescopic rod (142), the inclined plate (145) is fixedly installed on the right side of the annular plate (143), the horizontal plate (146) is sleeved on the circumferential surface of the air intake pipe (3), the annular block (147) is fixedly installed on the top of the horizontal plate (146), the extrusion rod (148) is fixedly installed on the bottom of the horizontal plate (146), and the spherical block (1412) is fixedly installed on the top of the output end of the drive device (5); A fixed rod (149) is fixedly installed on the left side of the drive device (5), and a sloping plate (1410) is fixedly installed on the circumferential surface of the fixed rod (149). An elastic telescopic block (1411) is fixedly installed on the bottom of the inner wall of the sealing cover (13).

2. The automatic particulate matter monitoring device according to claim 1, characterized in that: A first spring is provided between the annular sleeve (10) and the air intake pipe (3). The push rod (9) slides through the inner and outer walls of the air intake pipe (3). The bottom of the push rod (9) contacts the top of the arc block (8). The top of the push rod (9) contacts the inclined block (12). A support spring is provided between the push rod (9) and the support frame (7).

3. The automatic particulate matter monitoring device according to claim 2, characterized in that: The bottom free end of the elastic telescopic block (1411) is set as an inclined surface, the bottom of the extrusion rod (148) is in contact with the spherical block (1412), a second spring is provided between the inclined plate (1410) and the sealing cover (13), and the annular plate (143) is in contact with the annular block (147).

4. The automatic particulate matter monitoring device according to claim 3, characterized in that: The support device includes a flat plate (151), a transmission plate (152), a transmission rod (153), a circular cylinder (154), a moving plate (155), a connecting rod (156), a support plate (157), a locking block (158), and a locking rod (159). The flat plate (151) is fixedly installed on the circumferential surface of the air intake device (2). The transmission plate (152) is fixedly installed on the top of the flat plate (151) by means of a second spring clip. The transmission rod (153) is fixedly installed on the top of the transmission plate (152). The circular cylinder (154) is fixedly installed at the bottom of the plate (151), the movable plate (155) is slidably installed inside the circular cylinder (154), the connecting rod (156) is fixedly installed on the right side of the movable plate (155), the support plate (157) is fixedly installed at the end of the connecting rod (156) away from the movable plate (155), the locking block (158) is fixedly installed on the left side of the movable plate (155), and the locking rod (159) is fixedly installed at the bottom of the transmission plate (152).

5. The automatic particulate matter monitoring device according to claim 4, characterized in that: A No. 3 spring is provided between the movable plate (155) and the circular cylinder (154), the locking rod (159) slides through the plate (151), and the transmission rod (153) slides through the air intake device (2).

6. The automatic particulate matter monitoring device according to claim 5, characterized in that: The locking block (158) contacts the locking rod (159), the top of the transmission rod (153) contacts the inclined plate (1410), and the bottom of the plate (151) is provided with three sets of circular cylinders (154).

7. A monitoring method for an automatic particulate matter monitoring device, using the automatic particulate matter monitoring device according to claim 6, characterized in that, Includes the following steps: Step 1: When it is necessary to detect particulate matter in the air, the air intake device (2) introduces air into the detection device (1) through the air intake pipe (3) and the air inlet (11); Step 2: Start the drive device (5). When the drive device (5) is working, it will drive the transmission gear (6) to rotate. When the transmission gear (6) rotates, it will drive the connecting gear (4) and the air intake pipe (3) to rotate. Step 3: When the intake pipe (3) rotates, it will drive the support frame (7) to rotate. When the support frame (7) rotates, it will drive the push rod (9) to rotate. When the push rod (9) rotates, it will contact the arc block (8). Step 4: The arc block (8) will push the push rod (9) to move upward, and the push rod (9) will push the inclined block (12) and the ring sleeve (10) to move, thereby adjusting the air intake position of the air inlet (11).

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