Automatic dust fall monitor

By using the two-stage separation of the separation unit and the automatic protection of the shielding unit, combined with the water vapor condensation and recovery of the circulation unit, the problems of impurities affecting the accuracy of monitoring and frequent water replenishment in the existing technology have been solved, realizing the efficient, accurate and low-cost operation of the automatic dust monitoring instrument.

CN121830404APending Publication Date: 2026-04-10SHANGHAI SANPINHUANCHEN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI SANPINHUANCHEN INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-11-24
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing automatic dust monitoring instruments lack impurity removal steps during sample collection, affecting the accuracy of monitoring data. Furthermore, they require frequent water replenishment and maintenance during long-term unattended operation, increasing operating costs.

Method used

The system employs a separation unit for two-stage separation to remove impurities, combined with a shielding unit for automatic protection in rainy or snowy weather, and a circulation unit for condensing and recovering evaporated water vapor, reducing the need for external water supply.

Benefits of technology

It improved the accuracy of monitoring results, reduced resource waste, lowered operating costs, and enabled automated, real-time dust monitoring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an automatic dust fall monitor, and relates to the technical field of environmental protection and safety production management, the automatic dust fall monitor comprises a working cabin protective cover, a mounting partition plate and an electrical cabin protective cover, the mounting partition plate is arranged between a bottom flange of the working cabin protective cover and a top flange of the electrical cabin protective cover, and the working cabin protective cover, the mounting partition plate and the electrical cabin protective cover are fixedly connected through bolts; supporting legs are rotationally installed on the outer side of the electrical cabin protective cover through rotating pieces, and temperature and humidity sensors are arranged on the supporting legs. The device has the advantages that through cooperation of the separation unit, the shielding unit and the circulation unit, the monitoring precision and the environmental protection performance of the device are improved, the separation unit utilizes water level difference and secondary separation to effectively remove impurities and ensure the accuracy of weighing data, and the circulation unit condenses and recovers water vapor generated by drying, so that internal circulation of water resources is achieved, and the water quality is improved. And meanwhile, the shielding unit can automatically prevent rain and snow interference, so that the accuracy of a monitoring result is ensured.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of environmental protection and safety production management, and particularly relates to a dust fall automatic monitor. BACKGROUND

[0002] With the increasing requirements of the state for environmental protection and safety production, the demand for accurate and automatic monitoring of atmospheric dust fall is increasingly urgent. Dust fall is an important indicator for measuring regional air quality and particulate pollution. The traditional manual collection, drying and weighing method is not only time-consuming and inefficient, but also easily disturbed by human factors, making it difficult to achieve real-time and continuous monitoring. Therefore, developing an automatic monitor that can automatically complete the dust collection, separation and measurement process has become a clear trend in the field of environmental protection and safety supervision.

[0003] Some existing technologies aim to achieve automatic monitoring. For example, a dust fall automatic monitor is disclosed in Chinese Patent No. CN112113886A, which includes a support, a working cabin and an electrical cabin. The working cabin is provided with a working cabin protective cover, and the electrical cabin is provided with an electrical cabin protective cover. The working cabin is provided with a collection device, a closing device, a water supply device, a heating device, a weighing device and a lifting device. The dust fall automatic monitor can automatically weigh the dust sample on site, without the need for manual on-site inspection or the use of manual on-site water supply, and can automatically dry the dust sample to be weighed.

[0004] Although the above-mentioned dust fall automatic monitoring device realizes automatic collection and measurement, its function is relatively single, and it lacks an effective removal step for stones and other impurities in the collected sample, which may result in impure samples and affect the accuracy and reliability of the final monitoring data. In addition, after the sample is dried, the evaporated water cannot be recovered and supplemented. When operating in the field for a long time without human intervention, frequent manual water supply and maintenance are required, increasing the operating cost. Therefore, there is an urgent need to provide a dust fall automatic monitor to solve the above problems. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a dust fall automatic monitor to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solutions: The utility model provides a dust fall automatic monitoring appearance, including work cabin protective cover, installation partition and electrical cabin protective cover, the outside of electrical cabin protective cover is rotatably installed with support leg through the rotation spare, be equipped with temperature and humidity sensor on support leg, the dust fall automatic monitoring appearance still includes separation unit, shielding unit and circulation unit, separation unit is used for separating the impurity contained in dust, guarantees the accuracy of detection, shielding unit is used for preventing rain and snow weather from causing damage to device, circulation unit is used for recycling after evaporation water vapor, avoids the waste of resources, reduces the supply of external water source simultaneously.

[0007] The separation unit includes a mounting plate, a separation table is fixedly installed at the bottom of the mounting plate through screw threads, the separation table is a stepped table, a boss is arranged at the inner bottom end of the separation table, and a sundry storage groove is arranged between the outer side of the boss and the inner wall of the separation table.

[0008] Further, a water pump two is arranged on the installation partition, a water pipe one is arranged between the separation table and the water pump two, a water storage tank is arranged at the inner side of the water pump two, a liquid level sensor is arranged in the water storage tank, and a water pipe two is arranged between the water storage tank and the water pump two.

[0009] Further, a separator is arranged at the bottom of the boss, a water pipe three is arranged between the boss and the separator, a communication pipe is arranged between the separator and a dust collection tank, a discharge valve is arranged on the communication pipe, a water pipe four is arranged at the top of the separator, one end of the water pipe four is fixedly connected with a water suction port of a water pump three, and a communication pipe is arranged between the water outlet of the water pump three and the water storage tank.

[0010] Further, the shielding unit includes a mounting frame, the mounting frame is arranged at the top of the work cabin protective cover, a rain sensor is arranged at the side of the mounting frame, two baffles are movably arranged in the mounting frame, a dust collection pipe is arranged at the middle position of the two baffles, limit plates are arranged at the two sides of the baffles, springs are fixedly connected between the limit plates at the two sides of the dust collection pipe and pass through limit rods, and the limit rods are arranged at the inner side of the mounting frame.

[0011] Further, the dust collection pipe is fixedly installed on a dust collection pipe mounting plate, three groups of air cylinders are fixedly installed at the bottom of the dust collection pipe mounting plate, a corrugated pipe is arranged at the central position, and the air cylinders are arranged on the mounting plate.

[0012] Further, the mounting plate and the installation partition are fixedly connected through three groups of support plates, a bottom frame is fixedly connected between the support plates, a weighing device is arranged on the bottom frame, the weighing device is arranged at the bottom of the dust collection tank and is fixedly connected with the dust collection tank, a humidity sensor is arranged in the dust collection tank, a heating device is arranged in the inner partition, and a power supply is arranged below the installation partition.

[0013] Further, the circulating unit comprises a condensing device, an inner part of the condensing device is provided with a condensing pipe, the upper end of the condensing pipe is communicated with the water pipe five, the lower end is communicated with a flow guide pipe, the lower end of the flow guide pipe is arranged on a water supplement pipe, the water supplement pipe is connected with the water inlet of the water pump one, and the water outlet of the water pump one is provided with a water conveying pipe, and the end of the water conveying pipe is connected with the inner part of the water storage tank.

[0014] Further, the side of the condensing device is provided with a circulating pump, the inlet and outlet of the circulating pump are provided with circulating pipes, and the circulating pipes are connected with the upper end and the lower end of the condensing device respectively, the side of the circulating pump is provided with a condenser and is connected with the circulating pipes.

[0015] Compared with the prior art, the present application has the following advantages: 1: The separation unit separates the impurities in the detection sample by two-stage separation, improves the detection precision, first separates the heavy impurities from the dust-containing water by water level difference, separates the dust-containing water after separation into a separator for secondary separation, further removes the impurities difficult to settle in the water, and the dust-containing water after secondary separation enters the dust collecting tank, is dried, and is measured by the measuring device, so as to avoid the interference of impurities and ensure the accuracy of the detection result.

[0016] 2: The circulating unit can condense and recover the water vapor generated in the drying process of the dust collecting tank through the cooperation of the condensing pipe, the circulating pump and the condenser, so as to avoid the waste of water resources, reduce the external water supplement demand, and the shielding unit can automatically shield the dust collecting pipe in rainy and snowy weather through the linkage of the shielding plate structure of the spring and the limiting plate, so as to effectively prevent the interference of the external environment on the monitoring process and the damage of the equipment.

[0017] In summary, the present application improves the monitoring precision and environmental protection performance of the device through the cooperation of the separation unit, the shielding unit and the circulating unit, the separation unit uses water level difference and secondary separation to effectively remove impurities and ensure the accuracy of the weighing data, the circulating unit condenses and recovers the water vapor generated in the drying process, realizes the internal circulation of water resources, reduces external supply, and at the same time, the shielding unit can automatically protect against rain and snow interference to ensure the accuracy of the monitoring result. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of a dust fall automatic monitoring instrument according to the present application; Figure 2 It is an installation schematic view of a shielding unit according to the present application; Figure 3 It is an installation schematic view of an internal structure according to the present application; Figure 4 It is an installation schematic view of a separation unit according to the present application; Figure 5 It is a partial sectional view of a separation unit according to the present application; Figure 6 The installation schematic diagram of the circulating unit of the application.

[0019] In the figure: 1 working cabin protective cover, 2 installation partition, 3 electrical cabin protective cover, 4 support leg, 5 temperature and humidity sensor, 6 rainfall sensor, 7 mounting rack, 8 dust collection pipe, 9 support plate, 10 mounting plate, 11 separation table, 12 separator, 13 dust collection tank, 14 chassis, 15 weighing device, 16 water storage tank, 17 power supply, 18 water pump one, 19 humidity sensor, 20 liquid level sensor, 201 baffle, 202 limit plate, 203 spring, 204 limit rod, 205 dust collection pipe mounting plate, 206 corrugated pipe, 207 air cylinder, 301 water pipe one, 302 water pump two, 303 water pipe two, 304 boss, 305 impurity storage groove, 306 water pipe three, 307 water pipe four, 308 unloading valve, 309 water pump three, 401 water pipe five, 402 condensing device, 403 condensing pipe, 404 flow guide pipe, 405 water replenishing pipe, 406 water conveying pipe, 407 circulating pipe, 408 circulating pump, 409 condenser. DETAILED DESCRIPTION

[0020] REFERENCE Figures 1-6 The dust fall automatic monitoring instrument comprises a working cabin protective cover 1, an installation partition 2 and an electrical cabin protective cover 3, a support leg 4 is rotatably installed on the outer side of the electrical cabin protective cover 3 through a rotating piece, a temperature and humidity sensor 5 is arranged on the support leg 4, the dust fall automatic monitoring instrument further comprises a separation unit, a shielding unit and a circulating unit, the separation unit is used for separating impurities contained in dust, so as to ensure the accuracy of detection, the shielding unit is used for preventing rain and snow weather from damaging the device, and the circulating unit is used for recycling water vapor after evaporation, so as to avoid waste of resources and reduce replenishment of external water sources.

[0021] The working cabin protective cover 1, the installation partition 2 and the electrical cabin protective cover 3 are fixed as a whole through flanges and bolts, and the support leg 4 is fixed after the angle is adjusted through the rotating piece, so that the device is placed stably, the temperature and humidity sensor 5 (model: SHT30-DIS-B high-precision digital temperature and humidity sensor) on the support leg 4 monitors the environmental temperature and humidity in real time, the rainfall sensor 6 (model: YL-63 double-output rainfall detection sensor) on the top of the mounting rack 7 continuously detects weather conditions, and signals are provided for subsequent shielding unit actions. The separation unit comprises a mounting plate 10, the separation table 11 is fixedly installed at the bottom of the mounting plate 10 through threads, the separation table 11 is a ladder table, a boss 304 is arranged at the inner bottom end of the separation table 11, and an impurity storage groove 305 is arranged between the outer side of the boss 304 and the inner wall of the separation table 11.

[0022] The water pump two 302 is arranged on the installation partition 2, the water pipe one 301 is arranged between the separation table 11 and the water pump two 302 (model: SPP-150 micro self-priming pump), the inside of the water pump two 302 is provided with the water storage tank 16, the water storage tank 16 is provided with the liquid level sensor 20 (model: DS18B20 capacitor type liquid level probe combined liquid level monitoring sensor), and the water pipe two 303 is arranged between the water storage tank 16 and the water pump two 302.

[0023] The bottom of the boss 304 is provided with the separator 12, the water pipe three 306 is arranged between the boss 304 and the separator 12, the water inlet of the water pipe three 306 is tangent to the barrel body of the separator 12, so that the water keeps high-speed rotating motion, the dust collecting tank 13 is arranged below the separator 12, the communication pipe is arranged between the separator 12 and the dust collecting tank 13, the unloading valve 308 is arranged on the communication pipe, the water pipe four 307 is arranged at the top of the separator 12, and the other end is fixedly connected with the water pumping port of the water pump three 309 (model: DC40A direct current brushless water pump), the water outlet of the water pump three 309 is provided with the communication pipe between the water storage tank 16, the water storage tank 16 is pre-stored with a proper amount of clean water, and the liquid level sensor 20 monitors the water level in real time.

[0024] After dust collection is completed, the water pump two 302 is started, clean water is extracted from the water storage tank 16 through the water pipe two 303, and is injected into the separation table 11 through the water pipe one 301, so that a stable water level is formed in the separation table 11, and the dust collected by the dust collecting pipe 8 enters the separation table 11 along with the water flow, because the separation table 11 is a ladder table structure, the water flow slows down, and the heavy impurities such as stones are settled into the impurity storage groove 305 outside the boss 304 under the action of gravity, so that primary separation is realized.

[0025] The dust-containing clean water flows into the upper segment of the separator 12 through the water pipe three 306 at the middle bottom of the boss 304, and is subjected to secondary fine separation in the separator 12, so that fine suspended impurities are further removed, the separated dust-containing water enters the dust collecting tank 13 through the communication pipe (with the unloading valve 308), and the clean water at the top of the separator 12 is extracted by the water pump three 309 through the water pipe four 307 and is returned to the water storage tank 16 through the communication pipe for recycling.

[0026] The shielding unit includes the mounting frame 7, the mounting frame 7 is arranged at the top of the working cabin protective cover 1, the side surface of the mounting frame 7 is provided with the rain sensor 6, two baffle plates 201 are movably arranged in the mounting frame 7, a dust collecting pipe 8 is arranged at the middle position of the two baffle plates 201, limit plates 202 are arranged on the two sides of the baffle plates 201, springs 203 are fixedly connected between the limit plates 202 on the two sides of the dust collecting pipe 8, and pass through limit rods 204, the limit rods 204 are arranged on the inside of the mounting frame 7, The dust collecting pipe 8 is fixedly arranged on the dust collecting pipe mounting plate 205, three groups of air cylinders 207 are fixedly arranged at the bottom of the dust collecting pipe mounting plate 205, and a corrugated pipe 206 is arranged at the center position, and the bottom of the air cylinder 207 is arranged on the mounting plate 10.

[0027] When the rain sensor 6 detects a rain signal, the cylinder 207 receives an instruction to contract, driving the dust collecting pipe mounting plate 205 and the dust collecting pipe 8 to move downward, while the spring 203 is compressed under force, and the baffle 201 is folded in the middle along the limiting rod 204, shielding the opening at the top of the dust collecting pipe 8, so as to prevent rain and snow from entering the inside of the device. The inside of the baffle 201 is a semicircular conical notch. When the external rain and snow stops, the dust collecting pipe 8 moves upward under the action of the cylinder, pushing the two baffles 201 to the two sides.

[0028] The mounting plate 10 and the mounting partition plate 2 are fixedly connected through three groups of support plates 9, and the support plates 9 are fixedly connected with a chassis 14, on which a weighing device 15 is arranged. The weighing device 15 is arranged at the bottom of the dust collecting tank 13 and is fixedly connected therewith. The dust collecting tank 13 is provided with a humidity sensor 19 (model: HDC1080 low-power integrated temperature function digital humidity sensor) in the inside partition layer, and a heating device is arranged in the inside partition layer. The lower portion of the mounting partition plate 2 is provided with a power supply 17.

[0029] The circulating unit comprises a condensing device 402, and the inside of the condensing device 402 is provided with a condensing pipe 403, the upper end of which is communicated with the water pipe five 401, and the lower end is communicated with a flow guide pipe 404. The lower end of the flow guide pipe 404 is arranged on a water supplementing pipe 405, the water supplementing pipe 405 is connected with the water inlet of a water pump one 18 (model: DC30E micro direct current water pump), and the water outlet of the water pump one 18 is provided with a water conveying pipe 406, the end of which is connected with the inside of the water storage tank 16.

[0030] The side of the condensing device 402 is provided with a circulating pump 408, the inlet and outlet of which are provided with a circulating pipe 407, the upper end and the lower end of which are connected with the condensing device 402 respectively. The side of the circulating pump 408 is provided with a condenser 409, which is connected with the circulating pipe 407.

[0031] The humidity sensor 19 in the dust collecting tank 13 detects the humidity of the dust-containing water. When drying is needed, the heating device in the inside partition layer of the dust collecting tank 13 is started to heat and evaporate the dust-containing water. The water vapor generated by evaporation enters the condensing device 402 through the water pipe five 401. The circulating pump 408 is started to drive the circulating liquid cooled by the condenser 409 to flow in the condensing device 402 along the circulating pipe 407. The water vapor is condensed into liquid water in the condensing pipe 403. The liquid water after condensation flows into the water supplementing pipe 405 through the flow guide pipe 404. The water pump one 18 is started to convey the recovered water back to the water storage tank 16 through the water conveying pipe 406, so as to complete the water resource circulation.

[0032] After the moisture in the dust collection tank 13 is completely evaporated, the weighing device 15 (model: HBMC16i micro high-precision weighing sensor) installed on the chassis 14 weighs the dried dust accurately, and the weighing data is transmitted to the control module in real time to complete the dust reduction monitoring. When the liquid level sensor 20 detects that the water level in the water storage tank 16 is too low, clean water can be supplemented through the external supplementing port. The recycling function of the circulating unit effectively reduces the need for external water supply, thereby reducing the maintenance frequency.

[0033] The power supply 17 is used to provide power support for the temperature and humidity sensor 5, the rainfall sensor 6, the humidity sensor 19, the liquid level sensor 20, the water pump 18, the water pump 302, the water pump 309, the circulating pump 408, the air cylinder 207 and the weighing device 15.

[0034] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. It should be understood by those skilled in the art that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. An automatic dust monitoring instrument, comprising a working chamber protective cover (1), a mounting partition (2), and an electrical chamber protective cover (3), characterized in that, The outer side of the electrical compartment protective cover (3) is rotatably mounted with a support leg (4) via a rotating component. The support leg (4) is equipped with a temperature and humidity sensor (5). The automatic dust monitoring instrument also includes a separation unit, a shielding unit, and a circulation unit. The separation unit is used to separate impurities contained in the dust to ensure the accuracy of the detection. The shielding unit is used to prevent rain and snow from damaging the device. The circulation unit is used to recycle the evaporated water vapor to avoid waste of resources and reduce the supply of external water sources. The separation unit includes a mounting plate (10), and a separation platform (11) is fixedly installed on the bottom of the mounting plate (10) by threads. The separation platform (11) is a ladder platform with a boss (304) at the bottom inside. A sump (305) is provided between the outer side of the boss (304) and the inner wall of the separation platform (11).

2. The automatic dust monitoring instrument according to claim 1, characterized in that, The mounting partition (2) is equipped with a second water pump (302), and a first water pipe (301) is provided between the separation platform (11) and the second water pump (302). A water storage tank (16) is provided inside the second water pump (302), and a liquid level sensor (20) is provided inside the water storage tank (16). A second water pipe (303) is provided between the water storage tank (16) and the second water pump (302).

3. The automatic dust monitoring instrument according to claim 1, characterized in that, A separator (12) is provided at the bottom of the boss (304). A water pipe (306) is provided between the boss (304) and the separator (12). A dust collection tank (13) is provided below the separator (12). A connecting pipe is provided between the separator (12) and the dust collection tank (13). A discharge valve (308) is provided on the connecting pipe. A water pipe (307) is provided at the top of the separator (12). The other end of the water pipe (307) is fixedly connected to the water inlet of the water pump (309). A connecting pipe is provided between the outlet of the water pump (309) and the water storage tank (16).

4. The automatic dust monitoring instrument according to claim 1, characterized in that, The shielding unit includes a mounting frame (7), which is located on the top of the working cabin protective cover (1). A rain sensor (6) is provided on its side. Two baffles (201) are movably installed inside the mounting frame (7). A dust collection pipe (8) is provided in the middle of the baffle. Limiting plates (202) are provided on both sides of the baffle (201). A spring (203) is fixedly connected between the limiting plates (202) on both sides of the dust collection pipe (8) and passes through a limiting rod (204). The limiting rod (204) is located inside the mounting frame (7).

5. The automatic dust monitoring instrument according to claim 4, characterized in that, The dust collection pipe (8) is fixedly installed on the dust collection pipe mounting plate (205). Three sets of cylinders (207) are fixedly installed at the bottom of the dust collection pipe mounting plate (205), and a corrugated pipe (206) is provided at the center. The bottom of the cylinder (207) is located on the mounting plate (10).

6. The automatic dust monitoring instrument according to claim 5, characterized in that, The mounting plate (10) and the mounting partition (2) are fixedly connected by three sets of support plates (9). A base frame (14) is fixedly connected between the support plates (9). A weighing device (15) is provided on the base frame (14). The weighing device (15) is located at the bottom of the dust collection tank (13) and fixedly connected to it. A humidity sensor (19) is provided inside the dust collection tank (13). A heating device is provided in the internal partition. A power supply (17) is provided below the mounting partition (2).

7. The automatic dust monitoring instrument according to claim 1, characterized in that, The circulation unit includes a condenser (402), and the condenser (402) is provided with a condenser pipe (403) inside. The upper end of the condenser pipe (403) is connected to the water pipe (401), and the lower end is connected to the guide pipe (404). The lower end of the guide pipe (404) is located on the water supply pipe (405). The water supply pipe (405) is connected to the inlet of the water pump (18). The outlet of the water pump (18) is provided with a water delivery pipe (406), the end of which is connected to the inside of the water storage tank (16).

8. The automatic dust monitoring instrument according to claim 7, characterized in that, The condensing device (402) is provided with a circulating pump (408) on its side. The inlet and outlet of the circulating pump (408) are provided with circulating pipes (407). The circulating pipes (407) are respectively connected to the upper end and the lower end of the condensing device (402). The circulating pump (408) is provided with a condenser (409) on its side and is connected to the circulating pipes (407).

Citation Information

Patent Citations

  • Automatic dust fall monitor

    CN112113886A