CN212622089U - Air particulate matter detection device - Google Patents
Air particulate matter detection device Download PDFInfo
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- CN212622089U CN212622089U CN202021576163.1U CN202021576163U CN212622089U CN 212622089 U CN212622089 U CN 212622089U CN 202021576163 U CN202021576163 U CN 202021576163U CN 212622089 U CN212622089 U CN 212622089U
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Abstract
The utility model discloses an air particulate matter detection device belongs to the empty gas detection survey technical field, including the detection case, the welding of detection case top has the intake pipe, the air inlet of intake pipe passes through the inside that the air inlet extends to the detection case, the top at the detection case is seted up to the air inlet, the top bonds there is the distributor in the detection case, the connecting hole has been seted up on distributor top, the distributor is through branch hole and detection case intercommunication, the dust sensor is installed in the left side in the detection case, sliding connection has the weighing box in the detection case, can dismantle in the weighing box and be connected with the well effect filter pulp, well effect filter pulp bonds on the surface of filter screen, pressure sensor is installed to the filter screen bottom. The dust sensor and the pressure sensor at the bottom of the filter screen detect air particles, and the two methods are matched for detection, so that the detection effect is better; the scraper moves left to drive the middle effect filter cotton to move left, and dust particles and the like fall into the dust collecting box after passing through the discharge hole to be collected and processed.
Description
Technical Field
The utility model relates to an empty gas detection surveys technical field, especially relates to an air particulate matter detection device.
Background
Air detection in a broad sense refers to detection of the constituent components of air. In the narrow sense of air detection, mainly from the application point of view, indoor air detection is the focus of research. The air quality detection device is used for detecting air quality by means of decoration pollution caused by substances harmful to human bodies contained in indoor decoration materials, furniture and the like and released into home and office environments. The national 'civil construction engineering indoor environmental pollution control regulation' issued and implemented in 2006 lists five main pollutants: formaldehyde, benzene, ammonia gas, total volatile organic compounds TVOC, radioactive radon and the like.
Patent number CN 206002406U discloses a device for detecting particulate matter concentration in air, central processing unit with the cooperation of counter has not only improved detection efficiency, has also improved the degree of accuracy that detects data, easy operation convenient to use, low in cost, easy maintenance.
The prior art air detection has the following disadvantages: 1. in the patent, the weight of particles in the air is detected, and after a certain part is damaged, the result is not known to be inaccurate after the detection result is changed; 2. the particles in the air are left on the surface of the medium-efficiency filter cotton after being filtered, and are continuously accumulated to influence subsequent use, so that an air particle detection device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air particulate matter detection device, wherein a dust sensor and a pressure sensor at the bottom of a filter screen are used for detecting air particulate matters, and the two methods are matched for detection, so that the detection effect is better; the scraper moves left to drive the middle effect filter cotton to move left, and dust particles and the like fall into the dust collecting box after passing through the discharge hole to be collected and processed.
The utility model provides a specific technical scheme as follows:
the utility model provides an air particulate matter detection device, which comprises a detection box, wherein an air inlet pipe is welded at the top end of the detection box, an air inlet of the air inlet pipe extends into the detection box through the air inlet, the air inlet is arranged at the top of the detection box, a distributor is bonded at the top end in the detection box, a connecting hole is arranged at the top end of the distributor, the distributor is communicated with the detection box through a through hole, a dust sensor is arranged at the left side in the detection box, a weighing box is connected in the detection box in a sliding way, medium-efficiency filter cotton is detachably connected in the weighing box and is bonded on the surface of a filter screen, a pressure sensor is arranged at the bottom of the filter screen, a scraper blade is connected at the right side of the weighing box in a clearance way, an electric push rod a is detachably connected at the right side of the scraper blade, a discharge port is arranged at, the dust collection box is bonded on the right side of the box door, the box door is in clearance connection with the left side of the detection box, electric push rods b are detachably connected to two sides of the bottom end of the weighing box, and a display screen is in surface clearance connection with the detection box.
Optionally, an exhaust fan is installed in the air inlet pipe, an alarm is installed at the top end of the right side of the detection box, and the branch hole is formed in the bottom of the distributor.
Optionally, the top end of the weighing box extends outwards to form an extending edge, the extending edge is connected with the detection box in a sliding mode, and the electric push rod b is installed at the bottom in the detection box.
Optionally, the bottom end of the weighing box is provided with an air outlet, and two sides of the bottom end of the detection box are provided with air outlets.
Optionally, the current input ends of the exhaust fan, the alarm, the electric push rod a, the electric push rod b, the pressure sensor, the dust sensor and the display screen are electrically connected with an external power supply through a wire.
The utility model has the advantages as follows:
the embodiment of the utility model provides an air particulate matter detection device:
1. the dust sensor and the pressure sensor at the bottom of the filter screen detect air particles, and the two methods are matched for detection, so that the detection effect is better; the air is pumped by the exhaust fan and is conveyed into the detection box through the air inlet pipe, the air is uniformly moved out through the distributor at the top end of the detection box, the dust sensor is arranged at the left side in the detection box, particles and molecules in the air can generate a light scattering phenomenon under the irradiation of light, meanwhile, the energy of partial irradiation light is also absorbed, when a beam of parallel monochromatic light is incident into the detection box, the influence of scattering and absorption around the particles is generated, the light intensity is attenuated, and the dust sensor detects the relative concentration of dust particles in the air by measuring the relative attenuation rate; the air continuously moves down and gets into in the weighing case and crosses well effect filter pulp and filter screen in proper order, the particle that is greater than 1um in the air is through not crossing well effect filter pulp and is stayed well effect filter pulp surface, dust granule itself has weight, well effect filter pulp bonds in the filter screen bottom, the pressure sensor of filter screen bottom can be measured granule weight promptly, go into to detect air flow and granule weight in a period and handle through the treater and can obtain granule concentration in the air, pressure sensor cooperation through dust sensor and filter screen bottom is as the contrast, can the accurate particulate matter concentration in the measurement air.
2. The scraper moves left to drive dust particles on the middle-effect filter cotton to move left and fall into a dust collecting box for collection treatment after passing through a discharge port; after the detection box detects for many times, the electric push rod b is extended to drive the weighing box connected with the top end to move upwards until the bottom end of the discharge port on the weighing box is flush with or slightly higher than the top end of the dust collecting box, the electric push rod a is started after the position of the weighing box is adjusted, the electric push rod a is extended to drive the scraper connected on the left side to move leftwards, the bottom end of the scraper is contacted with the surface of the intermediate-effect filter cotton in the continuous left movement process of the scraper, the scraper continuously moves leftwards to scrape dust particles on the surface of the intermediate-effect filter cotton and drive the scraper to move leftwards, namely, the scraper continuously pushes the dust particles to move leftwards until the scraper enters the discharge port on the left side of the weighing box, the dust particles and the like pass through the discharge port and then move downwards to fall into the dust collecting box attached to the weighing box due to self gravity, the electric push rod a is shortened to drive the scraper to restore the original position after the dust, the use is prevented from being influenced by excessive dust particles.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall half-section structure diagram of an air particulate matter detection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a distributor of an air particulate detecting apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a detection box of the air particulate detection device according to the embodiment of the present invention.
In the figure: 1. a detection box; 2. an air inlet pipe; 3. an exhaust fan; 4. an air inlet; 5. an alarm; 6. a distributor; 7. a weighing box; 8. an electric push rod a; 9. a squeegee; 10. medium-efficiency filter cotton; 11. an air outlet; 12. an electric push rod b; 13. a pressure sensor; 14. an air outlet; 15. filtering with a screen; 16. a dust collecting box; 17. a box door; 18. a discharge port; 19. edge extension; 20. a dust sensor; 21. connecting holes; 22. hole division; 23. a display screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An air particulate matter detection device according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1 to 3, an air particulate matter detection device provided by the embodiment of the present invention includes a detection box 1, an air inlet pipe 2 is welded on the top end of the detection box 1, an air inlet of the air inlet pipe 2 extends into the detection box 1 through an air inlet 4, the air inlet 4 is opened at the top of the detection box 1, a distributor 6 is bonded at the top end of the detection box 1, a connecting hole 21 is opened at the top end of the distributor 6, the distributor 6 is communicated with the detection box 1 through a dividing hole 22, a dust sensor 20 is installed at the left side of the detection box 1, a weighing box 7 is slidably connected in the detection box 1, medium-effect filter cotton 10 is detachably connected in the weighing box 7, the medium-effect filter cotton 10 is bonded on the surface of a filter screen 15, a pressure sensor 13 is installed at the bottom of the filter screen 15, a scraper 9 is connected at the right side gap of the weighing box, the utility model discloses a weighing box, including scraper blade 9, box door 17, box door 7, scraper blade 9 and box door 17, the right side can be dismantled and be connected with electric putter a8, discharge gate 18 has been seted up in weighing box 7 left side, weighing box 7 left side sliding connection has dust collection box 16, dust collection box 16 bonds on the right side of box door 17, box door 17 clearance connects in the left side of detection case 1, weighing box 7 bottom both sides can be dismantled and be connected with electric putter b12, detection case 1 surface clearance.
Illustratively, the detection box 1 comprises a distributor 6, a dust sensor 20, a weighing box 7, a dust collection box 16 and an electric push rod b12, air enters the distributor 6, is uniformly distributed and output by the distributor 6 and then is detected by the dust sensor 20, the right side of the dust collection box 16 is in contact with an upper discharge port 18 of the weighing box 7, the dust collection box 16 blocks the discharge port 18, air which is not filtered in the detection process can be prevented from being completely removed through the discharge port 18, the weighing box 7 comprises a scraper 9, medium-efficiency filter cotton 10, a filter screen 15 and a pressure sensor 13, the electric push rod a8 is extended after being started, the electric push rod a8 is extended to drive the connected scraper 9 to move left, the scraper 9 moves left to slide along the surface of the medium-efficiency filter cotton 10 to push dust particles on the surface of the medium-efficiency filter cotton 10 to move left, and the scraper 9 does not damage the medium-efficiency filter cotton.
Referring to fig. 1, an exhaust fan 3 is installed in the air inlet pipe 2, an alarm 5 is installed at the top end of the right side of the detection box 1, and the branch hole 22 is formed in the bottom of the distributor 6.
Illustratively, the suction fan 3 starts the extractable external air to be conveyed into the detection box 1 through the air inlet pipe 2, when the content of particulate matters in the air is high, the controller controls the alarm 5 to emit light to remind people, and the distributor 6 uniformly conveys the air outwards through the bottom hole 22.
Referring to fig. 1, the top end of the weighing box 7 extends outwards to form an extended edge 19, the extended edge 19 is connected with the detection box 1 in a sliding mode, and the electric push rod b12 is installed at the bottom in the detection box 1.
Illustratively, the extension 19 at the top end of the weighing box 7 is attached to the inner surface of the detection box 1, so that the air can be prevented from moving downwards without being filtered by the weighing box 7, and the detection box 1 provides a mounting platform for the electric push rod b 12.
Referring to fig. 1, the bottom end of the weighing box 7 is provided with an air outlet 11, and two sides of the bottom end of the detection box 1 are provided with air outlets 14.
Illustratively, air exits weighing box 7 through air outlet 11 at the bottom end of weighing box 7, and exits measuring box 1 through air outlets 14 at both sides after exiting weighing box 7.
Referring to fig. 1 to 3, the current input terminals of the extractor fan 3, the alarm 5, the electric push rod a8, the electric push rod b12, the pressure sensor 13, the dust sensor 20 and the display screen 23 are electrically connected with an external power supply through wires.
For example, the external power supplies respectively provide power for the extraction fan 3, the alarm 5, the electric push rod a8, the electric push rod b12, the pressure sensor 13, the dust sensor 20 and the display screen 23, and all the components are connected in parallel and can work independently.
When the device is used, the detection box 1 is moved to a position to be detected, an external power supply supplies power, a start button is pressed, an exhaust fan 3 extracts external air and conveys the air into the detection box 1 through an air inlet pipe 2, the model of the exhaust fan 3 is XN-1 and the air is uniformly moved out through a branch hole 22 at the bottom of a distributor 6 at the top end of the detection box 1, a dust sensor 20 is arranged at the left side in the detection box 1, the model of the dust sensor 20 is SDS011, particles and molecules in the air can generate light scattering under the irradiation of light and can absorb part of the energy of the irradiated light, when a beam of parallel monochromatic light is incident into the detection box 1, the influence of scattering and absorption around the particles is received, the light intensity is attenuated, the dust sensor 20 detects the relative concentration of dust particles in the air by measuring the relative attenuation rate, the air continuously moves downwards into a weighing box 7 and sequentially passes through an intermediate efficiency filter cotton 10 and a filter screen 15, the particles larger than 1um in the air are remained on the surface of the middle-effect filter cotton 10 without passing through the middle-effect filter cotton 10, the dust particles have weight, the middle-effect filter cotton 10 is adhered to the bottom of the filter screen 15, namely the pressure sensor 13 at the bottom of the filter screen 15 can measure the weight of the particles, the model of the pressure sensor 13 is DYHW-116, the pressure sensor 13 can sense the pressure signal on the filter screen 15 and can convert the pressure signal into a usable output electric signal according to a certain rule, the output electric signal is transmitted to the processor, the particle concentration in the air can be obtained by processing the air flow flux and the particle weight after a period of time through the processor, two groups of measurement data are displayed on the display screen 23 after being processed, the model of the display screen 23 is m221f, when the detected particle concentration in the air is higher, the controller controls the alarm 5 to start, the model of the alarm 5 is LTE-1101-, an LED lamp is arranged in the alarm 5, the controller controls the LED lamp to be electrified to emit light to remind a worker, after the air is filtered, the LED lamp continuously moves downwards to move out of the weighing box 7 through an air outlet hole 11 at the bottom of the weighing box 7, the air continuously moves downwards to move out of the detection box 1 through air outlets 14 at two sides of the detection box 1, after the detection of the detection box 1 for multiple times, an electric push rod b12 (a motor in an electric push rod b12 is decelerated through a gear to drive a pair of screw nuts to change the rotary motion of the motor into linear motion, and the push rod action is completed by positive and negative rotation of the motor) is started and then extended, the model of an electric push rod b12 is XTL50, an electric push rod b12 is extended to drive the weighing box 7 connected at the top end to move upwards until the bottom end of an upper discharge hole 18 of the weighing box 7 is flush with or slightly higher than the top end of the dust collection box 16, after the position of the weighing box 7 is adjusted, an electric push rod a8 is, the bottom end of the scraper 9 is contacted with the surface of the middle-effect filter cotton 10 in the continuous left-moving process of the scraper 9, the scraper 9 continuously moves left to scrape dust particles and the like which push the surface of the middle-effect filter cotton 10 to move left, the electric push rod a8 continuously extends to drive the scraper 9 to move left, namely the scraper 9 continuously pushes the dust particles to move left until the scraper 9 enters the discharge port 18 on the left side of the weighing box 7, the dust particles and the like move downwards due to self gravity after passing through the discharge port 18 and fall into the dust collection box 16 attached to the weighing box 7, the electric push rod a8 shortens to drive the scraper 9 to recover the original position after the dust particles are completely pushed out, the electric push rod b12 shortens to drive the weighing box 7 to recover the original position, and the box door 17 is opened to treat the dust particles in.
The utility model relates to an air particulate matter detection device, which comprises a detection box 1; 2. an air inlet pipe; 3. an exhaust fan; 4. an air inlet; 5. an alarm; 6. a distributor; 7. a weighing box; 8. an electric push rod a; 9. a squeegee; 10. medium-efficiency filter cotton; 11. an air outlet; 12. an electric push rod b; 13. a pressure sensor; 14. an air outlet; 15. filtering with a screen; 16. a dust collecting box; 17. a box door; 18. a discharge port; 19. edge extension; 20. a dust sensor; 21. connecting holes; 22. hole division; 23. the display screen and the components are all universal standard parts or components known to those skilled in the art, and the structure and the principle of the display screen and the components are known to those skilled in the art through technical manuals or through routine experiments.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The air particulate matter detection device comprises a detection box (1) and is characterized in that an air inlet pipe (2) is welded at the top end of the detection box (1), an air inlet of the air inlet pipe (2) extends into the detection box (1) through an air inlet (4), the air inlet (4) is arranged at the top of the detection box (1), a distributor (6) is bonded at the inner top end of the detection box (1), a connecting hole (21) is formed in the top end of the distributor (6), the distributor (6) is communicated with the detection box (1) through a through hole (22), a dust sensor (20) is installed at the left side in the detection box (1), a weighing box (7) is slidably connected in the detection box (1), medium-efficiency filter cotton (10) is detachably connected in the weighing box (7), and the medium-efficiency filter cotton (10) is bonded on the surface of a filter screen (15), pressure sensor (13) are installed to filter screen (15) bottom, weighing box (7) right side gap connection has scraper blade (9), scraper blade (9) right side can be dismantled and be connected with electric putter a (8), discharge gate (18) have been seted up in weighing box (7) left side, weighing box (7) left side sliding connection has dust collection box (16), dust collection box (16) bond on the right side of chamber door (17), chamber door (17) gap connection is in the left side of detection case (1), weighing box (7) bottom both sides can be dismantled and be connected with electric putter b (12), detection case (1) surface gap connection has display screen (23).
2. The air particulate matter detection device according to claim 1, wherein an exhaust fan (3) is installed in the air inlet pipe (2), an alarm (5) is installed at the top end of the right side of the detection box (1), and the branch holes (22) are formed in the bottom of the distributor (6).
3. The airborne particle detection device according to claim 1, wherein an extension edge (19) extends outwards from the top end of the weighing box (7), the extension edge (19) is connected with the detection box (1) in a sliding manner, and the electric push rod b (12) is installed at the bottom in the detection box (1).
4. The airborne particle detection device of claim 1, wherein the bottom end of the weighing box (7) is provided with an air outlet (11), and air outlets (14) are formed on two sides of the bottom end of the detection box (1).
5. The air particulate matter detection device according to claim 2, wherein current input ends of the suction fan (3), the alarm (5), the electric push rod a (8), the electric push rod b (12), the pressure sensor (13), the dust sensor (20) and the display screen (23) are electrically connected with an external power supply through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021576163.1U CN212622089U (en) | 2020-08-03 | 2020-08-03 | Air particulate matter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021576163.1U CN212622089U (en) | 2020-08-03 | 2020-08-03 | Air particulate matter detection device |
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| CN212622089U true CN212622089U (en) | 2021-02-26 |
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| CN202021576163.1U Active CN212622089U (en) | 2020-08-03 | 2020-08-03 | Air particulate matter detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686742A (en) * | 2021-08-13 | 2021-11-23 | 河北道桥工程检测有限公司 | Road engineering construction intelligent detection system |
| CN114414445A (en) * | 2021-12-30 | 2022-04-29 | 浙江意诚检测有限公司 | Air detection device for indoor building materials |
| CN115121072A (en) * | 2022-08-31 | 2022-09-30 | 启东万惠机械制造有限公司 | Method and system for determining replacement of filter grille of mine dust collector |
| CN116297055A (en) * | 2023-05-19 | 2023-06-23 | 河北兰梦环保科技有限公司 | Air quality detector |
| CN116930021A (en) * | 2023-09-15 | 2023-10-24 | 武汉森源蓝天环境科技工程有限公司 | Dust detection device |
-
2020
- 2020-08-03 CN CN202021576163.1U patent/CN212622089U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686742A (en) * | 2021-08-13 | 2021-11-23 | 河北道桥工程检测有限公司 | Road engineering construction intelligent detection system |
| CN114414445A (en) * | 2021-12-30 | 2022-04-29 | 浙江意诚检测有限公司 | Air detection device for indoor building materials |
| CN114414445B (en) * | 2021-12-30 | 2023-08-25 | 浙江意诚检测有限公司 | Be used for indoor building materials air detection device |
| CN115121072A (en) * | 2022-08-31 | 2022-09-30 | 启东万惠机械制造有限公司 | Method and system for determining replacement of filter grille of mine dust collector |
| CN115121072B (en) * | 2022-08-31 | 2023-09-29 | 安徽省青阳县五溪矿业有限责任公司 | Method and system for determining replacement of filter grids of mining dust remover |
| CN116297055A (en) * | 2023-05-19 | 2023-06-23 | 河北兰梦环保科技有限公司 | Air quality detector |
| CN116930021A (en) * | 2023-09-15 | 2023-10-24 | 武汉森源蓝天环境科技工程有限公司 | Dust detection device |
| CN116930021B (en) * | 2023-09-15 | 2023-12-08 | 武汉森源蓝天环境科技工程有限公司 | Dust detection device |
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