Dust particle counting device

Abstract

The invention relates to the technical field of environmental protection, in particular to a dust particle counting device which comprises a particle counter, an air guide pipe, a transfer bin and a collecting pipe and further comprises a first sealing plate, and the first sealing plate is arranged in the collecting pipe. The second sealing plate is rotationally arranged in the collecting pipe and is attached to the first sealing plate; the induction filter plate is positioned on the transfer bin; the dustproof locking assembly is arranged on the transfer bin, and when the sensing filter plate is blocked by dust in air, the dustproof locking assembly is used for driving the second sealing plate to rotate to seal the collecting pipe. When the dust particle counting device is used, high-concentration dust may damage precise parts of the dust particle counting device, such as blocking of a sensor and abrasion of mechanical parts, the dust particle counting device avoids direct damage of dust to equipment through the dustproof locking assembly, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of environmental protection, in particular to a dust particle counting device. Background Art

[0002] The dust particle counting device is a high-precision and high-efficiency air quality detection device. It is based on the principle of light scattering or laser scattering. It counts dust particles in the air and analyzes their particle size distribution by inhaling a certain amount of air samples. The device emits light from an internal light source, which is focused and irradiated into the measuring cavity. When dust particles in the air pass through the measuring cavity quickly, they scatter light to form light pulse signals. These signals are recorded by the counting system after photoelectric conversion, amplification and identification, thereby achieving accurate measurement of the concentration and particle size distribution of dust particles in the air. The existing dust particle counting device faces a challenge during use: the dust concentration in the air fluctuates over time. When the dust particle counting device extracts air samples to detect dust particles, it lacks the ability to adjust the air collection strategy according to the real-time dust concentration. Once the dust concentration suddenly increases, the dust particle counting device may accidentally inhale high-concentration air. After this high-concentration air enters the counting device, its internal precision optical system and electronic components are easily damaged, thereby affecting the overall measurement accuracy and service life. To this end, we propose a dust particle counting device. Summary of the invention

[0003] A technical problem to be solved by the present application is that when a dust particle counting device extracts air samples to detect dust particles, due to its lack of ability to adjust the air collection strategy according to the real-time dust concentration, once the dust concentration suddenly increases, the dust particle counting device may accidentally inhale high-concentration air. After this high-concentration air enters the counting device, its internal precision optical system and electronic components are easily damaged, thereby affecting the overall measurement accuracy and service life.

[0004] To solve the above technical problems, an embodiment of the present application provides a dust particle counting device, including a particle counter, an air duct, a transfer bin and a collection tube, and also includes a sealing plate one, wherein the sealing plate one is arranged in the collection tube; a sealing plate two, wherein the sealing plate two is rotatably arranged in the collection tube and is fitted with the sealing plate one; an induction filter plate, wherein the induction filter plate is located on the transfer bin; a dustproof locking assembly, wherein the dustproof locking assembly is arranged on the transfer bin, and when the induction filter plate is blocked by dust in the air, the dustproof locking assembly is utilized to drive the sealing plate two to rotate to seal the collection tube; and a cleaning assembly, wherein the cleaning assembly is arranged on the dustproof locking assembly, and the cleaning assembly is utilized to clean the induction filter plate.

[0005] In some embodiments, the dustproof locking assembly includes a dust response member arranged on the transfer bin, which is used to judge the dust concentration in the air and respond according to the dust concentration in the air. The dust response member is provided with a trigger member, which is used to trigger the sealing plate 2 to work after the dust concentration in the air reaches a certain value. The transfer bin is provided with a driving member, which is used to provide power for the rotation of the sealing plate 2. The collection tube is provided with a closing member, which is used to drive the sealing plate 2 to rotate.

[0006] In some embodiments, the dust response component includes a negative pressure tube arranged on the transfer bin, the negative pressure tube is slidably connected to the induction filter plate, an air pump is arranged on the negative pressure tube, a plurality of multi-stage telescopic rods are arranged in the negative pressure tube, the multi-stage telescopic rods are connected to the induction filter plate, and a buffer spring is sleeved on the multi-stage telescopic rods.

[0007] In some embodiments, the trigger member includes a trigger plate arranged on the induction filter plate, the trigger plate is a U-shaped plate, the negative pressure tube is provided with a bottom plate, a rotating shaft is rotatably arranged on the bottom plate, a clockwork box is arranged on the bottom plate, the clockwork box is rotatably connected to the rotating shaft, a clockwork spring is arranged in the clockwork box, one end of the clockwork spring is connected to the rotating shaft, a vertical rod is arranged on the bottom plate, the vertical rod is an L-shaped rod, a top plate is arranged on the vertical rod, a pushing block is slidably arranged on the vertical rod, a reset spring is arranged on the vertical rod, one end of the reset spring is connected to the pushing block, the side of the pushing block in contact with the trigger plate is a smooth inclined surface, a trigger gear is rotatably arranged on the pushing block, the trigger gear is slidably connected to the rotating shaft, a trigger rack engaged with the trigger gear is arranged on the trigger plate, a card slot used in conjunction with the pushing block is opened on the trigger plate, a pressure sensor is arranged on the vertical rod, and an unlocking rod is arranged on the pushing block.

[0008] In some embodiments, the driving member includes a fixed plate arranged on the transfer bin, a driving shaft is rotatably arranged on the fixed plate, a driving gear 1 is arranged on the driving shaft, and a driving gear 2 engaged with the driving gear 1 is arranged on the rotating shaft.

[0009] In some embodiments, the closing member includes a rotating shaft arranged on the transfer bin, a docking groove is opened on the collecting tube, a closing tooth is arranged on the sealing plate 2, the closing tooth is slidably connected with the collecting tube and the docking groove, a closing gear engaged with the closing tooth is arranged on the rotating shaft, the closing gear is slidably connected with the docking groove, the rotating shaft and the driving shaft are both provided with power pulleys, and the power pulley is provided with a power belt.

[0010] In some embodiments, the cleaning component includes a circulating self-cleaning part arranged on the air pump, and the circulating self-cleaning part is used to clean the sensing filter plate after the particle counter completes a single stage of detection. The sensing filter plate is provided with a stripping part, and the sensing filter plate is cleaned by the stripping part after the sensing filter plate is completely blocked by dust in the air.

[0011] In some embodiments, the circulating self-cleaning part includes an impact chamber arranged on the air pump, an impact spring is arranged in the impact chamber, a piston plate is slidably arranged in the impact chamber, one side of the piston plate is connected to the impact spring, and an exhaust pipe is opened at the bottom of the impact chamber.

[0012] In some embodiments, the stripping member includes a cleaning shaft rotatably arranged on the induction filter plate, a cleaning rod rotatably arranged on the cleaning shaft, a spiral groove is provided on the inner wall of the negative pressure tube, a guide groove is provided in the negative pressure tube, the guide grooves are respectively connected to the two ends of the spiral groove, and the guide grooves are inclined in design, a retraction bin is provided on the cleaning rod, a locking plate is slidably arranged in the retraction bin, a retraction spring is provided in the retraction bin, the retraction spring is connected to the locking plate, a guide rod is provided on the locking plate, the guide rod is slidably connected to the retraction bin, and the guide rod is slidably connected to the guide groove and the spiral groove.

[0013] In some embodiments, a protective shell is provided on the transfer bin.

[0014] The present invention has at least the following beneficial effects:

[0015] Protect equipment safety: High concentration of dust may damage the precision parts of the dust particle counting device, such as blocking sensors and wearing mechanical parts. The present invention avoids direct damage to the equipment by dust through the dustproof locking component, thereby extending the service life of the equipment;

[0016] Ensure data accuracy: The main function of the dust particle counting device is to accurately measure the number of dust particles in the air. If the device is continuously operated in an environment with high dust concentration, its measurement results may be seriously disturbed, resulting in inaccurate data. This design automatically shuts down the device to ensure that accurate data can only be obtained at an appropriate dust concentration.

[0017] Easy maintenance and operation: Traditionally, operators need to manually monitor dust concentration and manually shut down the device. The present invention reduces the burden on operators through automatic sensing and shut-down mechanisms, making maintenance operations simpler and more efficient.

[0018] Improved system reliability: The dust-proof lockout assembly can respond quickly to changes in dust concentration, thereby improving the reliability and stability of the entire system, which helps ensure that the dust particle counting device can accurately and reliably provide data when needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 Schematic diagram of the structure of the particle counter;

[0021] Figure 3 For the present invention Figure 2 Schematic diagram of the cross-section structure;

[0022] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure of the middle A area;

[0023] Figure 5 For the present invention Figure 3 Another structural diagram;

[0024] Figure 6 It is a schematic diagram of the structure of the dust response member of the present invention;

[0025] Figure 7 This is a schematic diagram of the explosion structure of the trigger member of the present invention;

[0026] Figure 8 It is a schematic diagram of the structure of the stripping member of the present invention;

[0027] Fig. 9 This is a structural diagram of Embodiment 2 of the present invention.

[0028] In the figure: 1. particle counter; 2. air guide tube; 3. transfer chamber; 4. collection tube; 5. induction filter plate; 6. sealing plate 1; 7. sealing plate 2; 8. dustproof locking assembly; 9. dust response member; 91. air pump; 92. negative pressure tube; 93. multi-stage telescopic rod; 94. buffer spring; 10. trigger member; 101. trigger plate; 102. bottom plate; 103. rotating shaft; 104. spring box; 105. spring spring; 106. vertical rod; 107. pushing block; 109. reset spring; 1010. top plate; 1011. unlocking rod; 1012. trigger gear; 1013. trigger rack; 1014. card slot; 1015. pressure sensor; 11. Driving member; 111, fixing plate; 112, driving shaft; 113, driving gear one; 114, driving gear two; 12, closing member; 121, rotating shaft; 122, docking groove; 123, closing latch; 124, closing gear; 125, power pulley; 126, power belt; 13, cleaning component; 14, circulating self-cleaning member; 141, impact chamber; 142, impact spring; 143, piston plate; 144, exhaust pipe; 15, stripping member; 151, cleaning shaft; 152, cleaning rod; 153, spiral groove; 154, guide groove; 155, retraction bin; 156, positioning plate; 157, retraction spring; 158, guide rod; 16, protective shell. DETAILED DESCRIPTION

[0029] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0030] Example 1: Please refer to Figure 1-Figure 8 The present invention provides a technical solution: a dust particle counting device, including a particle counter 1, an air guide tube 2, a transfer bin 3 and a collection tube 4, and also includes a sealing plate 6, wherein the sealing plate 6 is arranged in the collection tube 4; a sealing plate 7, wherein the sealing plate 7 is rotatably arranged in the collection tube 4 and is in contact with the sealing plate 6; and an induction filter plate 5, wherein the induction filter plate 5 is located on the transfer bin 3.

[0031] The dustproof locking assembly 8 is arranged on the transfer bin 3. When the induction filter plate 5 is blocked by dust in the air, the dustproof locking assembly 8 is used to drive the sealing plate 2 7 to rotate to seal the collection pipe 4.

[0032] The advantage of setting up the dustproof locking assembly 8 is that when the sensing filter plate 5 is blocked by dust in the air, the dustproof locking assembly 8 is triggered to drive the sealing plate 27 to rotate to seal the collection tube 4, thereby preventing high-concentration dust air from entering the interior of the dust chamber. First of all, from the perspective of protecting the internal components of the dust chamber, the interior of the dust chamber contains precise sensing and counting elements. If high-concentration dust air enters, these elements may be contaminated or worn, thereby affecting their accuracy and service life. By sealing the collection tube 4 in time, the dust can be effectively isolated and the internal components can be protected from damage.

[0033] Secondly, this design improves the reliability and stability of dust. In an environment with high dust concentration, if the device cannot effectively prevent dust from entering, its counting results may be seriously affected, and even lead to false alarms or failures. Through the cooperation of the dustproof locking component 8 and the sealing plate 7, the device can automatically perform sealing protection when the dust concentration exceeds the standard, thereby ensuring the accuracy and stability of the counting results.

[0034] In addition, from the perspective of maintenance costs, this design also brings significant advantages. If the dust particle counting device frequently fails or requires maintenance due to dust pollution, its use cost will be greatly increased. Through this design, the service life of the device can be effectively extended and the number of maintenance times and costs can be reduced.

[0035] The cleaning component 13 is arranged on the dustproof locking component 8 , and the cleaning component 13 is used to clean the induction filter plate 5 .

[0036] The advantage of the cleaning component 13 is that the design can automatically clean the induction filter plate 5 during the working intervals of the dust, effectively preventing the blockage caused by the accumulation of dust on the induction filter plate 5 for a long time. This preventive cleaning measure avoids misoperation caused by the blockage of the induction filter plate 5, thereby ensuring that the dust can work continuously and stably. More importantly, the design ensures that the induction filter plate 5 will only be temporarily blocked due to the increase in the dust concentration in the air within a single working stage, thereby triggering the sealing plate 2 7 to seal and protect the collection tube 4 and the dust.

[0037] The dustproof locking assembly 8 includes a dust response member 9 arranged on the transfer bin 3, and the dust response member 9 is used to judge the dust concentration in the air and respond according to the dust concentration in the air. The dust response member 9 is provided with a trigger member 10, and the trigger member 10 is used to trigger the sealing plate 2 7 to work after the dust concentration in the air reaches a certain value. The transfer bin 3 is provided with a driving member 11, and the driving member 11 is used to provide power for the rotation of the sealing plate 2 7. The collection pipe 4 is provided with a closing member 12, and the closing member 12 is used to drive the sealing plate 2 7 to rotate.

[0038] The dust response member 9 includes a negative pressure pipe 92 arranged on the transfer bin 3, the negative pressure pipe 92 is slidably connected to the induction filter plate 5, an air pump 91 is arranged on the negative pressure pipe 92, a plurality of multi-stage telescopic rods 93 are arranged in the negative pressure pipe 92, the multi-stage telescopic rods 93 are connected to the induction filter plate 5, and a buffer spring 94 is sleeved on the multi-stage telescopic rods 93.

[0039] The advantage of the dust response member 9 is that it can respond to the increase in dust concentration in the air, thereby preventing high-concentration dust air from entering the dust chamber.

[0040] The trigger member 10 includes a trigger plate 101 arranged on the induction filter plate 5, the trigger plate 101 is a U-shaped plate, a bottom plate 102 is arranged on the negative pressure tube 92, a rotating shaft 103 is rotatably arranged on the bottom plate 102, a clockwork box 104 is arranged on the bottom plate 102, the clockwork box 104 is rotatably connected to the rotating shaft 103, a clockwork spring 105 is arranged in the clockwork box 104, one end of the clockwork spring 105 is connected to the rotating shaft 103, a vertical rod 106 is arranged on the bottom plate 102, the vertical rod 106 is an L-shaped rod, a top plate 1010 is arranged on the vertical rod 106, and a push block 101 is slidably arranged on the vertical rod 106 07. A return spring 109 is arranged on the vertical rod 106, one end of the return spring 109 is connected to the pushing block 107, the side of the pushing block 107 in contact with the trigger plate 101 is a smooth inclined surface, a trigger gear 1012 is rotatably arranged on the pushing block 107, the trigger gear 1012 is slidably connected with the rotating shaft 103, a trigger rack 1013 engaged with the trigger gear 1012 is arranged on the trigger plate 101, a card slot 1014 used in conjunction with the pushing block 107 is opened on the trigger plate 101, a pressure sensor 1015 is arranged on the vertical rod 106, and an unlocking rod 1011 is arranged on the pushing block 107.

[0041] The driving member 11 includes a fixed plate 111 arranged on the transfer bin 3, a driving shaft 112 is rotatably arranged on the fixed plate 111, a driving gear 1 113 is arranged on the driving shaft 112, and a driving gear 2 114 meshing with the driving gear 1 113 is arranged on the rotating shaft 103.

[0042] The closing member 12 includes a rotating shaft 121 arranged on the transfer bin 3, a docking groove 122 is provided on the collecting tube 4, a closing tooth 123 is provided on the sealing plate 7, the closing tooth 123 is slidably connected with the collecting tube 4 and the docking groove 122, a closing gear 124 engaged with the closing tooth 123 is provided on the rotating shaft 121, the closing gear 124 is slidably connected with the docking groove 122, a power pulley 125 is provided on the rotating shaft 121 and the driving shaft 112, and a power belt 126 is provided on the power pulley 125.

[0043] When the dust concentration in the air suddenly rises due to the influence of the external environment, the induction filter plate 5 located in the negative pressure pipe 92 will be quickly blocked by a large amount of dust, so that negative pressure is formed in the negative pressure pipe 92, thereby driving the induction filter plate 5 to overcome the elastic force of the buffer spring 94 and move in the negative pressure pipe 92. During the movement of the induction filter plate 5, the trigger plate 101 is simultaneously driven to move. When the trigger plate 101 moves, it drives the trigger rack 1013 set thereon to move. The movement of the trigger rack 1013 drives the trigger gear 1012 to rotate, and further drives the rotating shaft 103 to rotate. At this time The clockwork spring 105 is in a state of storing force, and contacts with the smooth inclined surface of the push block 107 during the continuous movement of the trigger plate 101, thereby driving the push block 107 to rise. The push block 107 engages with the slot 1014 provided on the trigger plate 101 during the continuous rising process, thereby locking the trigger plate 101. At this time, the trigger plate 101 squeezes the pressure sensor 1015, so that the particle counter 1 and the air pump 91 stop working. At the same time, the push block 107 drives the trigger gear 1012 to rise and disengage from the trigger rack 1013 during the rising process.

[0044] When the trigger gear 1012 is disengaged from the trigger rack 1013, the rotating shaft 103 rotates driven by the clockwork spring 105. The rotating shaft 103 drives the driving gear 2 114 arranged thereon to rotate. The driving gear 2 114 drives the driving gear 1 113 engaged therewith to rotate. The driving gear 1 113 drives the driving shaft 112 to rotate. The driving shaft 112 drives the rotating shaft 121 to rotate through the power pulley 125 and the power belt 126. The rotating shaft 121 drives the closing gear 124 to rotate. The closing gear 124 drives the closing latch 123 and the sealing plate 2 7 to rotate synchronously, thereby controlling the sealing plate 2 7 and the sealing plate 1 6 to seal the collecting tube 4, effectively preventing high-concentration dust from entering the particle counter 1.

[0045] The cleaning component 13 includes a circulating self-cleaning part 14 arranged on the air pump 91, and the circulating self-cleaning part 14 is used to clean the sensing filter plate 5 after the particle counter 1 completes a single stage of detection. The sensing filter plate 5 is provided with a stripping part 15. After the sensing filter plate 5 is completely blocked by dust in the air, the stripping part 15 is used to clean the sensing filter plate 5.

[0046] The circulating self-cleaning part 14 includes an impact chamber 141 arranged on the air pump 91, an impact spring 142 is arranged in the impact chamber 141, a piston plate 143 is slidably arranged in the impact chamber 141, one side of the piston plate 143 is connected to the impact spring 142, and an exhaust pipe 144 is opened at the bottom of the impact chamber 141.

[0047] The benefit of the circulating self-cleaning part 14 is that it can automatically clean the induction filter plate 5 during the working intervals of dust, effectively preventing the blockage caused by the accumulation of dust on the induction filter plate 5 for a long time. This preventive cleaning measure avoids erroneous operation caused by the blockage of the induction filter plate 5.

[0048] The stripping member 15 includes a cleaning shaft 151 rotatably arranged on the induction filter plate 5, a cleaning rod 152 is rotatably arranged on the cleaning shaft 151, a spiral groove 153 is provided on the inner wall of the negative pressure tube 92, a guide groove 154 is provided in the negative pressure tube 92, the guide groove 154 is respectively connected to the two ends of the spiral groove 153, and the guide groove 154 adopts an inclined design, a retraction bin 155 is provided on the cleaning rod 152, a locking plate 156 is slidably arranged in the retraction bin 155, a retraction spring 157 is provided in the retraction bin 155, the retraction spring 157 is connected to the locking plate 156, a guide rod 158 is provided on the locking plate 156, the guide rod 158 is slidably connected to the retraction bin 155, and the guide rod 158 is slidably connected to the guide groove 154 and the spiral groove 153.

[0049] The advantage of the stripping member 15 is that it can clean the stubborn dust particles attached to the induction filter plate 5, thereby improving the cleaning effect of the induction filter plate 5 and avoiding the induction filter plate 5 being blocked due to excessive dust accumulation on the induction filter plate 5, thereby affecting the use effect of the device.

[0050] When the air pump 91 is working, the gas rushes into the impact chamber 141, compressing and pushing the piston plate 143 to move so that the gas is discharged from the exhaust pipe 144 on the impact chamber 141. When the dust particle counting device completes a stage of testing and stops automatically, the air pump 91 stops synchronously. At this time, the piston plate 143 in the impact chamber 141 is reset under the push of the impact spring 142, thereby driving the gas in the impact chamber 141 to rebound into the negative pressure pipe 92 and be discharged from the negative pressure pipe 92. When the gas passes through the induction filter plate 5 in the negative pressure pipe 92, it will simultaneously take away the dust intercepted on the induction filter plate 5.

[0051] When the dust particle counting device stops because the dust concentration in the external environment becomes high, the sensing filter plate 5 is located in the negative pressure pipe 92. When the dust concentration in the environment decreases, the staff pulls the unlocking rod 1011 to release the lock on the trigger plate 101 and the sensing filter plate 5, so that the sensing filter plate 5 is reset under the push of the buffer spring 94. When the sensing filter plate 5 moves, the cleaning rod 152 and the guide rod 158 thereon rotate under the push of the spiral groove 153, thereby driving the cleaning rod 152 to clean the surface of the sensing filter plate 5. At the same time, because the guide groove 154 is arranged obliquely, when the sensing filter plate 5 is blocked and enters the negative pressure pipe 92, the guide rod 158 will move along the guide groove 154, and will not drive the cleaning rod 152 to rotate.

[0052] During use, when the dust concentration in the air suddenly rises due to the influence of the external environment, the induction filter plate 5 located in the negative pressure tube 92 will be quickly blocked by a large amount of dust, so that negative pressure is formed in the negative pressure tube 92, thereby driving the induction filter plate 5 to overcome the elastic force of the buffer spring 94 and move in the negative pressure tube 92. During the movement of the induction filter plate 5, the trigger plate 101 is simultaneously driven to move. When the trigger plate 101 moves, it drives the trigger rack 1013 disposed thereon to move. The movement of the trigger rack 1013 drives the trigger gear 1012 to rotate, and further drives the rotating shaft 103 to rotate. At this time, the clockwork spring 105 is in a state of storing force, and contacts the smooth inclined surface of the push block 107 during the continuous movement of the trigger plate 101, thereby driving the push block 107 to rise. The push block 107 engages with the card slot 1014 provided on the trigger plate 101 during the continuous rising process, completing the locking of the trigger plate 101. At this time, the trigger plate 101 squeezes the pressure sensor 1015, so that the particle counter 1 and the air pump 91 stop working. At the same time, the push block 107 drives the trigger gear 1012 to rise and disengage from the trigger rack 1013 during the rising process.

[0053] When the trigger gear 1012 is disengaged from the trigger rack 1013, the rotating shaft 103 rotates driven by the clockwork spring 105. The rotating shaft 103 drives the driving gear 2 114 arranged thereon to rotate. The driving gear 2 114 drives the driving gear 1 113 engaged therewith to rotate. The driving gear 1 113 drives the driving shaft 112 to rotate. The driving shaft 112 drives the rotating shaft 121 to rotate through the power pulley 125 and the power belt 126. The rotating shaft 121 drives the closing gear 124 to rotate. The closing gear 124 drives the closing latch 123 and the sealing plate 2 7 to rotate synchronously, thereby controlling the sealing plate 2 7 and the sealing plate 1 6 to seal the collecting tube 4, effectively preventing high-concentration dust from entering the particle counter 1.

[0054] When the air pump 91 is working, the gas rushes into the impact chamber 141, compressing and pushing the piston plate 143 to move so that the gas is discharged from the exhaust pipe 144 on the impact chamber 141. When the dust particle counting device completes a stage of testing and stops automatically, the air pump 91 stops synchronously. At this time, the piston plate 143 in the impact chamber 141 is reset under the push of the impact spring 142, thereby driving the gas in the impact chamber 141 to rebound into the negative pressure pipe 92 and be discharged from the negative pressure pipe 92. When the gas passes through the induction filter plate 5 in the negative pressure pipe 92, it will simultaneously take away the dust intercepted on the induction filter plate 5.

[0055] When the dust particle counting device stops because the dust concentration in the external environment becomes high, the sensing filter plate 5 is located in the negative pressure pipe 92. When the dust concentration in the environment decreases, the staff pulls the unlocking rod 1011 to release the lock on the trigger plate 101 and the sensing filter plate 5, so that the sensing filter plate 5 is reset under the push of the buffer spring 94. When the sensing filter plate 5 moves, the cleaning rod 152 and the guide rod 158 thereon rotate under the push of the spiral groove 153, thereby driving the cleaning rod 152 to clean the surface of the sensing filter plate 5. At the same time, because the guide groove 154 is arranged obliquely, when the sensing filter plate 5 is blocked and enters the negative pressure pipe 92, the guide rod 158 will move along the guide groove 154, and will not drive the cleaning rod 152 to rotate.

[0056] Example 2: Please refer to Fig. 9 The present invention provides a technical solution: a protective shell 16 is arranged on the transfer bin 3, and the protective shell 16 is arranged to provide protection for the trigger gear 1012 and the trigger rack 1013, thereby extending their service life.

[0057] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0058] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A dust particle counting device, comprising a particle counter (1), an air guide tube (2), a transfer bin (3) and a collection tube (4), characterized in that: Also includes: A sealing plate (6), wherein the sealing plate (6) is arranged in the collecting tube (4); A second sealing plate (7), wherein the second sealing plate (7) is rotatably disposed in the collecting tube (4) and is in contact with the first sealing plate (6); An induction filter plate (5), wherein the induction filter plate (5) is located on the transfer bin (3); a dustproof locking assembly (8), wherein the dustproof locking assembly (8) is arranged on the transfer bin (3), and when the induction filter plate (5) is blocked by dust in the air, the dustproof locking assembly (8) is used to drive the sealing plate 2 (7) to rotate to seal the collection pipe (4); A cleaning component (13), wherein the cleaning component (13) is arranged on the dustproof locking component (8), and the cleaning component (13) is used to clean the induction filter plate (5).

2. The dust particle counting device according to claim 1, characterized in that: The dustproof locking assembly (8) comprises a dust response member (9) arranged on the transfer bin (3), the dust response member (9) is used to judge the dust concentration in the air and respond according to the dust concentration in the air; the dust response member (9) is provided with a trigger member (10), and the trigger member (10) is used to trigger the sealing plate 2 (7) to work when the dust concentration in the air reaches a certain value; the transfer bin (3) is provided with a driving member (11), and the driving member (11) is used to provide power for the sealing plate 2 (7) to rotate; the collection pipe (4) is provided with a closing member (12), and the closing member (12) is used to drive the sealing plate 2 (7) to rotate.

3. The dust particle counting device according to claim 2, characterized in that: The dust response member (9) comprises a negative pressure pipe (92) arranged on the transfer bin (3), the negative pressure pipe (92) being slidably connected to the induction filter plate (5), an air pump (91) being arranged on the negative pressure pipe (92), a plurality of multi-stage telescopic rods (93) being arranged inside the negative pressure pipe (92), the multi-stage telescopic rods (93) being connected to the induction filter plate (5), and a buffer spring (94) being sleeved on the multi-stage telescopic rods (93).

4. The dust particle counting device according to claim 3, characterized in that: The trigger member (10) comprises a trigger plate (101) arranged on the induction filter plate (5), the trigger plate (101) being a U-shaped plate, a bottom plate (102) being arranged on the negative pressure tube (92), a rotating shaft (103) being rotatably arranged on the bottom plate (102), a clockwork box (104) being arranged on the bottom plate (102), the clockwork box (104) being rotatably connected to the rotating shaft (103), a clockwork spring (105) being arranged in the clockwork box (104), one end of the clockwork spring (105) being connected to the rotating shaft (103), a vertical rod (106) being arranged on the bottom plate (102), the vertical rod (106) being an L-shaped rod, a top plate (1010) being arranged on the vertical rod (106), a pushing member (1010) being slidably arranged on the vertical rod (106) The invention relates to a block (107), a return spring (109) is arranged on the vertical rod (106), one end of the return spring (109) is connected to the push block (107), the side of the push block (107) in contact with the trigger plate (101) is a smooth inclined surface, a trigger gear (1012) is rotatably arranged on the push block (107), the trigger gear (1012) is slidably connected to the rotating shaft (103), a trigger rack (1013) engaged with the trigger gear (1012) is arranged on the trigger plate (101), a card slot (1014) used in conjunction with the push block (107) is opened on the trigger plate (101), a pressure sensor (1015) is arranged on the vertical rod (106), and an unlocking rod (1011) is arranged on the push block (107).

5. The dust particle counting device according to claim 4, characterized in that: The driving member (11) comprises a fixed plate (111) arranged on the transfer bin (3), a driving shaft (112) being rotatably arranged on the fixed plate (111), a driving gear 1 (113) being arranged on the driving shaft (112), and a driving gear 2 (114) being meshed with the driving gear 1 (113) being arranged on the rotating shaft (103).

6. The dust particle counting device according to claim 5, characterized in that: The closing member (12) comprises a rotating shaft (121) arranged on the transfer bin (3); a docking groove (122) is provided on the collecting tube (4); a closing latch tooth (123) is provided on the sealing plate (7); the closing latch tooth (123) is slidably connected with the collecting tube (4) and the docking groove (122); a closing gear (124) is provided on the rotating shaft (121) and meshes with the closing latch tooth (123); the closing gear (124) is slidably connected with the docking groove (122); a power pulley (125) is provided on both the rotating shaft (121) and the driving shaft (112); and a power belt (126) is provided on the power pulley (125).

7. The dust particle counting device according to claim 6, characterized in that: The cleaning component (13) comprises a circulating self-cleaning component (14) arranged on the air pump (91), and the circulating self-cleaning component (14) is used to clean the induction filter plate (5) after the particle counter (1) completes a single stage of detection. The induction filter plate (5) is provided with a stripping component (15), and after the induction filter plate (5) is completely blocked by dust in the air, the stripping component (15) is used to clean the induction filter plate (5).

8. The dust particle counting device according to claim 7, characterized in that: The circulating self-cleaning member (14) comprises an impact chamber (141) arranged on the air pump (91), an impact spring (142) being arranged in the impact chamber (141), a piston plate (143) being slidably arranged in the impact chamber (141), one side of the piston plate (143) being connected to the impact spring (142), and an exhaust pipe (144) being provided at the bottom of the impact chamber (141).

9. The dust particle counting device according to claim 8, characterized in that: The stripping member (15) comprises a cleaning shaft (151) rotatably arranged on the induction filter plate (5), a cleaning rod (152) rotatably arranged on the cleaning shaft (151), a spiral groove (153) is provided on the inner wall of the negative pressure tube (92), a guide groove (154) is provided in the negative pressure tube (92), the guide groove (154) is respectively connected to the two ends of the spiral groove (153), and the guide groove (154) is designed to be inclined, and a cleaning rod (152) is provided on the cleaning rod (152). A retraction bin (155) is provided, a locking plate (156) is slidably arranged in the retraction bin (155), a retraction spring (157) is arranged in the retraction bin (155), the retraction spring (157) is connected to the locking plate (156), a guide rod (158) is arranged on the locking plate (156), the guide rod (158) is slidably connected to the retraction bin (155), and the guide rod (158) is slidably connected to the guide groove (154) and the spiral groove (153).

10. The dust particle counting device according to claim 9, characterized in that: A protective shell (16) is provided on the transfer bin (3).

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