Flying dust particulate matter monitoring device for intelligent construction site

Abstract

The utility model discloses an intelligent flying dust particulate matter monitoring device for a construction site, which belongs to the technical field of environment monitoring and comprises a telescopic rod, a sampling head, a case and a base, the sampling head comprises a connecting plate connected with the telescopic rod, an angle adjusting assembly located above the connecting plate, a collecting cover located above the angle adjusting assembly and a monitoring module fixed in the collecting cover; wherein the angle adjusting assembly is rotatably connected with the connecting plate and is used for changing the horizontal orientation of the collecting cover; the acquisition cover is rotatably connected with the angle adjusting assembly and is used for changing the pitching angle of the monitoring module; according to the utility model, the sampling head with adjustable angle and height is adopted, so that raised dust particulate matters in air from all directions can be monitored at different positions; the technical problem that the accuracy of measured data is poor due to the fact that monitoring equipment is inconvenient to adjust in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental monitoring, and more specifically, to a dust particle monitoring device for a smart construction site. Background Art

[0002] With the continuous expansion of urban construction, the environmental pollution caused by engineering construction has become increasingly prominent, mainly reflected in the contradiction between dust pollution caused by construction and the improvement of atmospheric environmental quality. The main sources of dust pollution at construction sites are PM2.5 and PM10. Inhaling these dusts will cause certain harm to the human body.

[0003] According to the regulations and standards for construction site environmental protection management, construction sites must be equipped with dust pollution online monitoring equipment that meets the requirements. The monitoring range of dust particles in small construction sites is generally 10 to 20 meters, and the monitoring area is 100 to 300 square meters. In addition, dust particle pollution is concentrated. Affected by factors such as air pressure and wind direction, the monitoring data measured by the equipment in different directions fluctuates greatly. Therefore, it is usually necessary to adjust the monitoring angle and monitoring height of the monitoring equipment in small construction sites according to actual conditions to ensure the accuracy of the measured data.

[0004] However, existing dust monitoring devices for construction sites are not easy to adjust and are difficult to meet the needs of dust particle monitoring. For example, a dust monitoring device for construction sites disclosed in patent publication number CN209945944U has good protection, but the monitoring angle cannot be adjusted. When monitoring dust, the measured data accuracy is poor. Utility Model Content

[0005] The purpose of the utility model is to solve the technical problems in the prior art that dust particle monitoring equipment is inconvenient to adjust and the accuracy of measured data is poor, and to propose a dust particle monitoring device for a smart construction site.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A dust particle monitoring device for a smart construction site comprises: a telescopic rod, a sampling head located at one end of the telescopic rod, a chassis located at the other end of the telescopic rod, and a base connected to the chassis;

[0008] The sampling head comprises: a connecting plate connected to the telescopic rod, an angle adjustment component located above the connecting plate, a collection cover located above the angle adjustment component, and a monitoring module fixed in the collection cover;

[0009] Among them, the angle adjustment component is rotatably connected to the connecting plate to change the horizontal orientation of the collection cover; the collection cover and the angle adjustment component are rotatably connected to change the pitch angle of the monitoring module.

[0010] Furthermore, the connecting plate is in a disc-shaped structure, and a plurality of second pin holes are evenly arranged on the disc surface of the connecting plate along its edge for cooperating with the angle adjustment assembly.

[0011] Further, the angle adjustment assembly includes: a rotating table, the rotating table is rotatably connected to the upper part of the connecting plate;

[0012] A first boss, the first boss is connected to one side of the rotating platform, the first boss is provided with a first pin hole matched with the second pin hole; a first pin is inserted into the first pin hole and the corresponding second pin hole, so that the rotating platform and the connecting plate are relatively fixed;

[0013] A hinge seat, the hinge seat is connected to the table surface of the rotating table, and a hinge arm is hinged on the hinge seat; one end of the hinge arm away from the hinge seat is connected to the collection cover, so that the collection cover and the rotating table can rotate relative to each other; a plurality of fourth pin holes are provided at one end of the hinge arm close to the hinge seat;

[0014] A second boss, the second boss is fixed on the table surface of the rotating table; a third pin hole is arranged on the second boss, and a second pin is passed through the third pin hole and the corresponding fourth pin hole to relatively fix the hinge arm and the hinge seat.

[0015] Furthermore, the chassis is provided with: an acquisition module, a display screen and a battery; the acquisition module is respectively connected to the monitoring module, the display screen and the battery, and is used to acquire the signal measured by the monitoring module and output it to the display screen; the battery is respectively electrically connected to the monitoring module, the acquisition module and the display screen.

[0016] Furthermore, the base comprises:

[0017] round disc;

[0018] A support rod, one end of which is connected to the lower surface of the chassis, and the other end of which is connected to the middle of the disk surface of the circular disk;

[0019] An anti-dumping assembly is connected to the support rod.

[0020] Furthermore, the anti-dumping assembly comprises: a sleeve, the sleeve is sleeved on the support rod, a threaded hole is provided on the sleeve body, and a handle bolt is threadedly connected to the threaded hole;

[0021] A plurality of legs, one end of each of which is hinged to the sleeve, and each of which is evenly distributed along the circumference of the sleeve.

[0022] Furthermore, the monitoring module adopts a laser dust sensor.

[0023] Furthermore, a solar panel is arranged on the connecting plate, and the solar panel is electrically connected to the battery.

[0024] The beneficial effects of the utility model are:

[0025] The present application provides a dust particle monitoring device for a smart construction site. By adopting a sampling head with adjustable angle and height, it can monitor dust particles in the incoming air at different positions. It solves the technical problem in the related technology that the monitoring equipment is not easy to adjust, resulting in poor accuracy of the measured data. The design of the base in the present application enables the monitoring device to be stably set up on different terrains, enriching the application scenarios of the monitoring device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of a dust particle monitoring device for a smart construction site provided in an embodiment of the utility model;

[0027] Figure 2 This is a schematic diagram of the structure of the sampling head in the embodiment of the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the angle adjustment component in the embodiment of the utility model;

[0029] Figure 4 This is a schematic diagram of the positions of the first pin hole, the third pin hole, and the fourth pin hole in the embodiment of the utility model;

[0030] Figure 5 This is a schematic diagram of the base structure in the embodiment of the utility model;

[0031] Figure 6 This is a schematic diagram of the structure of the first pin and the second pin in the embodiment of the utility model;

[0032] The markings in the figure are as follows:

[0033] 1. Sampling head;

[0034] 11. Connecting plate; 111. Second pin hole; 12. Angle adjustment assembly; 121. Rotating table; 122. First boss; 1221. First pin hole; 1222. First pin; 12221. First annular boss; 12222. First return spring; 123. Hinge seat; 1231. Hinge arm; 1232. Fourth pin hole; 124. Second boss; 1241. Third pin hole; 1242. Second pin; 12421. Second annular boss; 12421. Second return spring 12422; 13. Collection cover; 14. Monitoring module;

[0035] 2. Chassis;

[0036] 21. Display screen;

[0037] 3. Telescopic rod;

[0038] 4. Base;

[0039] 41. support rod; 42. circular disc; 43. anti-dumping assembly; 431. sleeve; 432. support leg. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0044] Example

[0045] See also Figures 1 to 6 The embodiment of the present application shown provides a dust particle monitoring device for a smart construction site. In actual application, the dust particle monitoring device is set within the safety range of the construction area fence and can directly monitor the concentration of dust particles in the main construction activity area of ​​the construction site; please refer to Figure 1 The dust particle monitoring device for smart construction sites includes: a sampling head 1, a chassis 2, a telescopic rod 3 and a base 4; wherein the sampling head 1 is located at one end of the telescopic rod 3, and is used to sample and monitor the air in the area; the chassis 2 is located at the other end of the telescopic rod 3, and can collect data transmitted by the sampling head 1; the base 4 is connected to the bottom of the chassis 2, and is used to form a stable support for the sampling head 1, chassis 2, and telescopic rod 3 above.

[0046] For more details, see Figure 2 The sampling head 1 includes: a connecting plate 11, an angle adjustment component 12, a collection cover 13 connected to the upper part of the angle adjustment component 12, and a monitoring module 14 connected to the collection cover 13; wherein the connecting plate 11 is a disc-shaped structure, which is connected to the telescopic rod 3 and is used to provide a bearing platform for the structure above;

[0047] In the above technical solution, in order to enable the device to monitor the concentration of dust particles from all directions in the horizontal direction; please refer to Figure 3 and Figure 4The angle adjustment component 12 includes: a rotating table 121, a first boss 122, a hinge seat 123 and a second boss 124; wherein the rotating table 121 is a disc-shaped structure, and its diameter is smaller than the diameter of the connecting plate 11. The rotating table 121 is connected to the top of the connecting plate 11 and can rotate relative to the connecting plate 11; it can be understood that, as an embodiment of the present application, an annular convex groove can be provided on the lower surface of the rotating table 121, and a slide rail can be provided on the upper surface of the connecting plate 11, and the annular convex groove cooperates with the slide rail to realize a rotatable connection between the rotating table 121 and the connecting plate 11; in actual use, the horizontal orientation of the upper collection cover 13 is changed by adjusting the rotating table 121.

[0048] The first boss 122 is connected to the rotating table 121 and is located on the side of the rotating table 121. During the angle adjustment process, the first boss 122 rotates synchronously with the rotating table 121; further, a first pin hole 1221 is provided on the first boss 122, and a first pin 1222 is inserted into the first pin hole 1221. A plurality of second pin holes 111 are evenly arranged on the disk surface of the connecting plate 11 along the edge of the connecting plate 11, and the second pin holes 111 are located below the first pin hole 1221; using this technical solution, after adjusting the rotating table 121 to make the collection cover 13 face the target direction, the first pin 1222 is inserted into the first pin hole 1221 and the corresponding second pin hole 111, so that the rotating table 121 and the connecting plate 11 are relatively fixed, which plays a role in locking the rotating table 121, thereby maintaining the horizontal direction of the upper collection cover 13 to prevent it from deflecting and affecting the monitoring result; by lifting the first pin 1222, the rotating table 121 can be adjusted again to change the direction of the collection cover 13.

[0049] The hinge seat 123 is connected to the rotating table 121 and is located on the table surface of the rotating table 121, so that it rotates synchronously with the rotating table 121 during the angle adjustment process; further, a hinge arm 1231 is hinged on the hinge seat 121, and the end of the hinge arm 1231 away from the hinge seat 123 is connected to the collection cover 13. The collection cover 13 is rotatably connected to the rotating table 123 through the hinge seat 123 and the hinge arm 1231. By adopting this technical solution, the collection cover 13 can adjust the pitch angle and change the orientation in the vertical direction.

[0050] The second boss 124 is fixed on the table surface of the rotating table 121 and is close to the hinge arm 1231; further, a third pin hole 1241 is provided on the second boss 124, and a second pin 1242 is passed through the third pin hole 1241, and the second pin 1242 is aligned with the hinge arm 1231; in the present embodiment, a plurality of fourth pin holes 1232 are arranged along the surface of the hinge arm 1231 at one end of the hinge arm 1231 close to the hinge seat 123; by adopting this technical solution, after adjusting the collection cover 13 to face the target direction, the second pin 1242 is passed through the third pin hole 1241 and the corresponding fourth pin hole 1232, so that the hinge arm 1231 and the hinge seat 123 can be relatively fixed, which plays a role in locking the hinge arm 1231, thereby maintaining the direction of the collection cover 13 in the vertical direction; by lifting the second pin 1242, the hinge arm 1231 can be rotated again to change the direction of the collection cover 13. The design of the angle adjustment component 12 enables the operator to adjust the orientation of the collection cover 13 in two degrees of freedom, thereby monitoring the concentration of dust particles coming from all directions.

[0051] In this embodiment, in order to collect air within a certain range from the target and protect the monitoring module 14 , the collection cover 13 adopts a funnel-shaped structure, and its closed end is connected to the hinge arm 1231 .

[0052] The monitoring module 14 is fixed in the collection cover 13, and is used to monitor the concentration data of various types of dust particles within the coverage of the collection cover 13; as a preferred embodiment of the present application, the monitoring module 14 adopts a laser dust sensor, which can realize continuous, dynamic and real-time monitoring of dust in different particle size ranges, and the measurement error can be controlled within 5%; the laser dust sensor has high sensitivity and can detect fine particles below 0.1 microns; and it does not require any reagents or consumables, only regular cleaning and calibration are required, which greatly reduces the operating cost and maintenance difficulty of the monitoring module 14 in the high dust environment of the construction site, and is suitable for monitoring dust particles on the construction site.

[0053] The design of the sampling head 1 in the technical solution of the present application can monitor the concentration of dust particles in all directions through the cooperation of the connecting plate 11 and the angle adjustment component 12; and can achieve high-precision monitoring of the concentration of dust particles through the cooperation of the collection cover 13 and the monitoring module 14.

[0054] See also Figure 1, in order to process the data monitored by the sampling head 1 and to power the entire monitoring device; the chassis 2 is located below the sampling head 1, and is provided with: an acquisition module (not shown in the figure), a display screen 21 and a battery (not shown in the figure); as an implementation mode of the present application, the acquisition module can adopt an ADC data acquisition module, and the ADC data acquisition module is communicatively connected with the monitoring module 14, and can acquire the analog signal measured by the monitoring module 14, convert the required analog signal into a digital signal and output it to the display screen 21; the display screen 21 is fixed to the surface of the chassis 2, and is used to display the signal transmitted by the acquisition module; the battery is arranged inside the chassis 2, and is electrically connected with the monitoring module 14, the acquisition module and the display screen 21.

[0055] In order to make the monitoring device suitable for monitoring dust particles at different heights, it can be understood that the telescopic rod 3 can be any one of a self-locking telescopic rod, a hand-cranked telescopic rod, and a spring telescopic rod.

[0056] In order to provide stable support for the sampling head 1, chassis 2, and telescopic rod 3 above; please refer to Figure 5 The base 4 includes: a support rod 41 and a circular disk 42; wherein one end of the support rod 41 is connected to the lower surface of the chassis 2, and the other end thereof is connected to the middle of the circular disk surface of the circular disk 42;

[0057] The construction surface during the foundation pit construction stage or the greening construction stage is usually wet and soft soil, accompanied by a large amount of dust, which is not conducive to the installation of the monitoring device; as a preferred embodiment of the present application, an anti-dumping component 43 is provided on the support rod 41; the anti-dumping component 43 includes: a sleeve 431 and a plurality of legs 432; wherein, the sleeve 431 is sleeved on the support rod 41, and a threaded hole is provided on the barrel of the sleeve 431, and a handle bolt 4311 is threadedly connected to the threaded hole; by tightening the handle bolt 4311, it is pressed against the support rod 41 to achieve relative fixation of the sleeve 431 and the support rod 41; after loosening the fastening bolt 4311, the sleeve 431 can slide along the support rod 41.

[0058] One end of the leg 432 is hinged to the sleeve 431, and a plurality of legs 432 are evenly distributed along the circumference of the sleeve 431; when the smart construction site dust monitoring device provided by the present application is set up on soft soil, firstly, the position of the sleeve 431 on the support rod 41 is adjusted according to the terrain of the site and the area where the device can be set up, and then the ends of each leg 432 away from the sleeve 431 are inserted into the ground to complete the setting up of the monitoring device. The design of the anti-dumping component 43 improves the overall stability of the device and enriches the application scenarios of the monitoring device.

[0059] As a preferred embodiment of the present application, a first annular boss 12221 and a first return spring 12222 are provided on the first pin 1222; the first annular boss 12221 is located between the first boss 122 and the tip of the first pin 1222; the first return spring 12222 is sleeved on the first pin 1222, and the two ends of the first return spring 12222 are respectively abutted against the first annular boss 12221 and the first boss 122; with this technical solution, the first return spring 12222 applies a force to the first pin 1222 to insert into the second pin hole 111, which can prevent the first pin 1222 from accidentally bouncing up due to external force, causing the collection cover 13 to deflect;

[0060] It can be understood that the second pin 1242 is provided with a second annular boss 12421 and a second return spring 12422; the second annular boss 12421 is located between the second boss 124 and the tip of the second pin 1242; the second return spring 12422 is sleeved on the second pin 1242, and the two ends of the second return spring 12422 are respectively abutted against the second annular boss 12421 and the second boss 124.

[0061] As a preferred implementation of this application, please refer to Figure 3 A solar panel 112 is also provided on the connecting plate 11, and the solar panel 112 can be electrically connected to the battery by means of a cable; by adopting this technical solution, the solar panel 112 can provide a long-term and stable charging power supply for the battery, slow down the aging speed of the battery, and extend the battery life; and the solar panel 112 can store excess electrical energy in the battery. When the solar energy is sufficient, the monitoring device directly uses the solar panel 112 to generate electricity, and when the solar energy is insufficient, it uses the battery to generate electricity, so as to extend the continuous working time of the monitoring device.

[0062] The present application provides a dust particle monitoring device for a smart construction site. By adopting a sampling head 1 with adjustable angle and height, it can monitor dust particles in the incoming air at different positions. It solves the technical problem in the related technology that the monitoring equipment is not easy to adjust, resulting in poor accuracy of the measured data. In addition, the design of the base 4 in the present application enables the monitoring device to be stably set up on different terrains, enriching the application scenarios of the monitoring device.

[0063] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dust particle monitoring device for a smart construction site, characterized in that: include: A telescopic rod, a sampling head located at one end of the telescopic rod, a chassis located at the other end of the telescopic rod, and a base connected to the chassis; The sampling head comprises: a connecting plate connected to the telescopic rod, an angle adjustment component located above the connecting plate, a collection cover located above the angle adjustment component, and a monitoring module fixed in the collection cover; Among them, the angle adjustment component is rotatably connected to the connecting plate to change the horizontal orientation of the collection cover; the collection cover and the angle adjustment component are rotatably connected to change the pitch angle of the monitoring module.

2. The dust particle monitoring device for a smart construction site according to claim 1 is characterized in that: The connecting plate is in a disc-shaped structure, and a plurality of second pin holes are evenly arranged on the disc surface of the connecting plate along its edge for matching with the angle adjustment assembly.

3. The dust particle monitoring device for a smart construction site according to claim 2 is characterized in that: The angle adjustment assembly includes: a rotating platform, which is rotatably connected to the top of the connecting plate; A first boss, the first boss is connected to one side of the rotating platform, the first boss is provided with a first pin hole matched with the second pin hole; a first pin is inserted into the first pin hole and the corresponding second pin hole, so that the rotating platform and the connecting plate are relatively fixed; A hinge seat, the hinge seat is connected to the table surface of the rotating table, and a hinge arm is hinged on the hinge seat; one end of the hinge arm away from the hinge seat is connected to the collection cover, so that the collection cover and the rotating table can rotate relative to each other; a plurality of fourth pin holes are provided at one end of the hinge arm close to the hinge seat; A second boss, the second boss is fixed on the table surface of the rotating table; a third pin hole is arranged on the second boss, and a second pin is passed through the third pin hole and the corresponding fourth pin hole to relatively fix the hinge arm and the hinge seat.

4. The dust particle monitoring device for a smart construction site according to claim 1 is characterized in that: The chassis is provided with: a collection module, a display screen and a battery; the collection module is respectively connected to the monitoring module, the display screen and the battery, and is used to collect the signal measured by the monitoring module and output it to the display screen; the battery is respectively electrically connected to the monitoring module, the collection module and the display screen.

5. The dust particle monitoring device for a smart construction site according to claim 1 is characterized in that: The base comprises: round disc; A support rod, one end of which is connected to the lower surface of the chassis, and the other end of which is connected to the middle of the disk surface of the circular disk; An anti-dumping assembly is connected to the support rod.

6. The dust particle monitoring device for a smart construction site according to claim 5 is characterized in that: The anti-dumping assembly comprises: a sleeve, the sleeve is sleeved on the support rod, a threaded hole is provided on the sleeve body, and a handle bolt is threadedly connected in the threaded hole; A plurality of legs, one end of each of which is hinged to the sleeve, and each of which is evenly distributed along the circumference of the sleeve.

7. The dust particle monitoring device for a smart construction site according to claim 1 is characterized in that: The monitoring module adopts a laser dust sensor.

8. The dust particle monitoring device for a smart construction site according to claim 4 is characterized in that: The connecting plate is provided with a solar panel, and the solar panel is electrically connected to the storage battery.

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