Building engineering environment monitoring device and monitoring method

Abstract

The invention discloses a building engineering environment monitoring device and method, and the device comprises a pedestal, and four corners of the top end of the pedestal are all provided with installation holes in a penetrating manner. The installation stability of the equipment is improved through cooperative use of the installation hole and the rope, the lifting mechanism is arranged, the height of the water level detection meter is conveniently adjusted, whether the dangerous water level is reached or not is judged, convenience and rapidness are achieved, and then through cooperative use of the metering valve, the switch, the timer and the time relay, the safety of the equipment is improved. The time for collecting a certain amount of rainwater can be obtained, the current rainfall intensity, light rain, moderate rain or rainstorm can be judged, the time required for reaching a dangerous water level can be estimated, workers are helped to carry out rapid prevention, the workers can conveniently mount and dismount a filter screen through a mounting mechanism, and the filter screen is arranged, so that the time for collecting a certain amount of rainwater is saved. Impurities such as fallen leaves are prevented from entering the barrel to cause blockage, and the requirements of users are met.

Description

Technical Field

[0001] The present invention relates to the technical field of building environment monitoring, and more specifically, to a building engineering environment monitoring device and a monitoring method. Background Art

[0002] During the construction of building projects, it is often necessary to excavate a foundation pit. When excavating the foundation pit, if it rains, the rainwater will fall inside the foundation pit. When there is too much rainwater, it will cause the instability of the foundation pit slope, the uplift of the bottom of the pit, and the decrease of the bearing capacity of the foundation. Therefore, it is necessary to detect the water level in the foundation pit.

[0003] Chinese Patent CN109440839A discloses a monitoring system for the surrounding environment of foundation pit support, including a fixed frame; a monitoring device fixedly installed on the fixed frame; a protective cover fixedly connected to the top of the monitoring device through a first elastic member; two support blocks fixed to the left and right sides of the front of the monitoring device; an installation box fixed to the bottom of the monitoring device; and two first grooves respectively opened on the opposite sides of the two support blocks. The present invention relates to the technical field of foundation pit support. The monitoring system for the surrounding environment of foundation pit support can well protect the monitoring device through the protective cover, prevent rainwater from flowing onto the mirror surface of the camera, and can automatically dust the monitoring device, keeping the mirror surface of the camera of the monitoring device clean, ensuring the quality of the monitoring picture, and improving the safety of the surrounding environment of foundation pit support.

[0004] However, the above device does not have the function of monitoring the time required to collect a certain amount of rainwater, and cannot judge the current rainfall intensity. It only monitors the rainwater through the monitoring device and then issues a warning, with a relatively single method, which is difficult to meet the needs of the staff. Summary of the Invention

[0005] To solve the above technical problems, a building engineering environment monitoring device and a monitoring method are provided. The technical solution solves the problem that the above device does not have the function of monitoring the time required to collect a certain amount of rainwater, cannot judge the current rainfall intensity, and only monitors the rainwater through the monitoring device and then issues a warning, with a relatively single method, as mentioned in the above background art.

[0006] To achieve the above object, the technical solution adopted by the present invention is as follows: A building engineering environment monitoring device, including a base. Installation holes are respectively penetrated through at the four corners of the top of the base. A fixing frame is welded to the top of the base. Two groups of fixing rings are fixedly installed on each of the left and right sides of the fixing frame. A rope is bolted to the fixing ring. And a lifting plate is arranged directly above the base. The interior of the fixing frame is connected to the lifting plate through a lifting mechanism. And the top of the lifting plate is fixedly connected to a mounting plate through a reinforcing rib. A cylinder body is slidably connected to the interior of the mounting plate. A water receiving hopper is communicated with the top of the cylinder body. A filter screen is connected to the interior of the water receiving hopper through a mounting mechanism. Fixing plates are welded to both sides of the top of the cylinder body. A number of springs are fixedly connected to the bottom of the fixing plates. The other ends of the springs are fixedly connected to the base. A touch plate is also installed at the top of the cylinder body. A switch is arranged on the right side of the top of the base. And a metering valve is arranged at the water outlet end of the cylinder body. The metering valve is electrically connected to the switch. A support plate is fixedly installed in the middle of the top of the base. Solar panels are arranged on both the front and back sides of the support plate. A monitoring device is installed at a position near the left side of the top of the base. And a controller, a timer and a time relay are installed on the right side of the fixing frame. The timer and the time relay are respectively located in front of and behind the controller. A water level detector is installed on the left side of the bottom end of the mounting plate.

[0007] Preferably, the lifting mechanism includes a threaded rod, a first movable seat, a second movable seat and a telescopic member. The threaded rod is rotatably connected to the bottom end inside the fixing frame. The thread directions of the two ends of the threaded rod are opposite. And the first movable seat and the second movable seat are respectively threadedly connected to the two ends of the threaded rod. Slide rails are fixedly installed on both sides of the bottom end of the lifting plate. Baffles are fixedly installed on both sides of the slide rails. And a first sliding seat and a second sliding seat are respectively slidably connected to the two ends of the outer surface of the slide rail.

[0008] Preferably, both sides of the top of the telescopic member are respectively hinged inside the first movable seat and the second movable seat. And both sides of the bottom end of the telescopic member are respectively hinged inside the first sliding seat and the second sliding seat.

[0009] Preferably, a guide rod is also fixedly installed at the bottom end inside the fixing frame. The first movable seat and the second movable seat are both slidably connected to the outer surface of the guide rod.

[0010] Preferably, one end of the threaded rod is fixedly connected to the output end of a servo motor. And the servo motor is fixedly installed at the bottom end outside the fixing frame.

[0011] Preferably, the installation mechanism includes two groups of connecting plates which are respectively fixedly connected to both sides inside the water receiving hopper. A fixing ring is fixedly installed between the two groups of connecting plates. A rotating ring is arranged inside the fixing ring. Three arc-shaped grooves are penetrated and opened on the top surface of the rotating ring, and three through grooves are penetrated and opened on the circumferential surface of the fixing ring. A sliding member is slidably connected inside the arc-shaped groove. Both the upper and lower ends of the sliding member are fixedly connected to a clamping block through a connecting member, and the connecting member is slidably connected inside the through groove. The middle part of the bottom end of the rotating ring is fixedly connected to a rotating shaft, and the other end of the rotating shaft is fixedly installed with a first bevel gear.

[0012] Preferably, a sleeve is further fixedly connected inside the water receiving hopper. A rotating rod is rotatably connected inside the sleeve. One end of the rotating rod is fixedly installed with a second bevel gear meshing with the first bevel gear, and the other end of the rotating rod extends to the outside of the water receiving hopper and is fixedly connected to a rotating wheel.

[0013] Preferably, positioning grooves are opened at the top ends of the connecting plates, and positioning plates adapted to the positioning grooves are fixedly connected to both sides of the bottom end of the filter net.

[0014] Preferably, three arc-shaped plates are further fixedly connected to the bottom of the filter net, and clamping grooves adapted to the clamping blocks are opened on the inner sides of the arc-shaped plates.

[0015] In addition, the present invention also provides a method for monitoring the construction engineering environment, which specifically includes the following steps: S1. Fix the device at the edge of the foundation pit of the construction project through the installation holes, then pull up the rope, and use the ground anchor at the end of the rope to fix it again; S2. Convert the sunlight resources into electric energy resources by using two solar panels for the device to use; S3. Drive the water level detector to move up and down through the lifting mechanism. The water level detector extends above the water surface of the foundation pit, so that the height of the water level detector is at the "dangerous water level" height of the monitoring point of the foundation pit, and the water level detector plays a role in measuring the water level; S4. The cylinder collects rainwater. When the collected rainwater is increasing, the spring is in a contracted state, and the cylinder moves downward. When the touch plate touches the switch, the rainwater in the cylinder is full, and the metering valve immediately opens. The time relay controls the opening time of the metering valve. When the time controlled by the time relay ends, the metering valve immediately closes, and the timer starts timing to detect the time when the rainwater is full next time. The amount of rainwater discharged is detected through the metering valve, and the time required to collect a certain amount of rainwater is obtained to judge the current rainfall intensity, whether it is light rain, moderate rain or heavy rain, and estimate the time required to reach the "dangerous water level" to help the staff prevent quickly.

[0016] Compared with the prior art, the present invention provides a monitoring device and a monitoring method for the construction engineering environment, having the following beneficial effects: The present invention is provided with the combined use of mounting holes and ropes, which improves the stability of the installation of the device. Secondly, a lifting mechanism is provided, which is convenient for adjusting the height of the water level detector to determine whether the "dangerous water level" is reached, which is convenient and fast. Then, through the combined use of a metering valve, a switch, a timer and a time relay, the time taken to collect a certain amount of rainwater can be obtained, and the current rainfall intensity can be judged, whether it is light rain, moderate rain or heavy rain, so as to estimate the time required to reach the "dangerous water level", helping the staff to carry out rapid prevention. Also, through the installation mechanism, it is convenient for the staff to install and disassemble the filter screen. By providing a filter screen, it prevents impurities such as fallen leaves from entering the inside of the cylinder and causing blockage, meeting the needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a front view of the present invention; Figure 3 is a schematic diagram of the structure of the lifting mechanism in the present invention; Figure 4 is a schematic diagram of the structure when the water receiving hopper and the filter screen are disassembled in the present invention; Figure 5 is a schematic diagram of the structure of the filter screen in the present invention; Figure 6 is a schematic diagram of the structure of the installation mechanism in the present invention; Figure 7 is a schematic diagram of the internal structure of the water receiving hopper in the present invention; Figure 8 in the present invention Figure 1 is an enlarged schematic diagram of the structure at point A proposed.

[0018] The reference numerals in the figures are: 1, base; 101, mounting hole; 102, fixed frame; 103, fixed ring; 104, rope; 105, lifting plate; 106, mounting plate; 107, support plate; 108, solar panel; 109, monitoring device; 110, cylinder; 111, touch plate; 112, fixing plate; 113, spring; 114, switch; 115, metering valve; 116, controller; 117, timer; 118, time relay; 119, water receiving hopper; 120, filter screen; 121, positioning plate; 122, arc plate; 123, card slot; 124, water level detector; 2. Lifting mechanism; 201. Threaded rod; 202. Guide rod; 203. Servo motor; 204. First movable seat; 205. Second movable seat; 206. Slide rail; 207. Baffle; 208. First sliding seat; 209. Second sliding seat; 210. Telescopic member; 3. Mounting mechanism; 301. Connecting plate; 302. Positioning groove; 303. Fixed ring; 304. Rotating ring; 305. Arc groove; 306. Sliding member; 307. Connecting member; 308. Clamping block; 309. Through groove; 310. Rotating shaft; 311. First bevel gear; 312. Sleeve; 313. Rotating rod; 314. Second bevel gear; 315. Runner. Detailed implementation

[0019] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations.

[0020] Embodiment 1 Please refer to Figure 1-8 As shown in the figure, a building engineering environment monitoring device includes a base 1. Installation holes 101 are respectively formed through the four corners of the top of the base 1. A fixed frame 102 is welded to the top of the base 1. Two groups of fixed rings 103 are fixedly installed on the left and right sides of the fixed frame 102. A rope 104 is bolted to the fixed ring 103. And a lifting plate 105 is arranged directly above the base 1. The inside of the fixed frame 102 is connected to the lifting plate 105 through a lifting mechanism 2. And a mounting plate 106 is fixedly connected to the top of the lifting plate 105 through a reinforcing rib. A cylinder 110 is slidably connected inside the mounting plate 106. A water receiving hopper 119 is communicated with the top of the cylinder 110. A filter screen 120 is connected inside the water receiving hopper 119 through a mounting mechanism 3. Fixing plates 112 are welded to both sides of the top of the cylinder 110. A plurality of groups of springs 113 are fixedly connected to the bottom of the fixing plates 112. The other ends of the springs 113 are fixedly connected to the base 1. A touch plate 111 is also installed at the top of the cylinder 110. A switch 114 is arranged on the right side of the top of the base 1. And a metering valve 115 is arranged at the water outlet end of the cylinder 110. The metering valve 115 is electrically connected to the switch 114. A support plate 107 is fixedly installed in the middle of the top of the base 1. Solar panels 108 are arranged on the front and back sides of the support plate 107. A monitoring device 109 is installed at a position near the left side of the top of the base 1. And a controller 116, a timer 117 and a time relay 118 are installed on the right side of the fixed frame 102. The timer 117 and the time relay 118 are respectively located in front of and behind the controller 116. A water level detector 124 is installed on the left side of the bottom end of the mounting plate 106.

[0021] In this solution, the device is fixed to the edge of the foundation pit of the construction project through the mounting holes 101, and then the rope 104 is pulled up and fixed again by the ground anchor at the end of the rope 104, which improves the stability of the device installation. Two solar panels 108 are used to convert solar light resources into electrical energy resources for the device to use. And a lifting mechanism 2 is provided to drive the water level detector 124 to move up and down. The water level detector 124 extends above the water surface of the foundation pit, so that the height of the water level detector 124 is at the "dangerous water level" height (i.e., the water level height that requires an alarm) of the foundation pit monitoring point. The water level detector 124 functions to measure the water level, and the cylinder 110 collects rainwater. When the collected rainwater is increasing, the spring 113 is in a contracted state and the cylinder 110 moves downward. When the touch plate 111 touches the switch 114, the rainwater in the cylinder 110 is full, and the metering valve 115 immediately opens. The time relay 118 controls the opening time of the metering valve 115. When the time controlled by the time relay 118 ends, the metering valve 115 immediately closes, and the timer 117 starts timing to detect the time when the rainwater is full next time. Also, the amount of discharged rainwater is detected through the metering valve 115, so that the time taken to collect a certain amount of rainwater can be obtained, and the current rainfall intensity can be judged as light rain, moderate rain or heavy rain.

[0022] Embodiment 2 Please refer to Figure 3 As shown, the lifting mechanism 2 includes a threaded rod 201, a first movable seat 204, a second movable seat 205 and a telescopic member 210. The threaded rod 201 is rotatably connected to the inner bottom end of the fixed frame 102. The thread directions of the two ends of the threaded rod 201 are opposite, and the first movable seat 204 and the second movable seat 205 are respectively threadedly connected to the two ends of the threaded rod 201. Both sides of the bottom end of the lifting plate 105 are fixedly installed with slide rails 206. Both sides of the slide rails 206 are fixedly installed with baffles 207, and the two ends of the outer surface of the slide rails 206 are respectively slidably connected with a first sliding seat 208 and a second sliding seat 209.

[0023] Please refer to Figure 3 As shown, both sides of the top end of the telescopic member 210 are respectively hinged inside the first movable seat 204 and the second movable seat 205, and both sides of the bottom end of the telescopic member 210 are respectively hinged inside the first sliding seat 208 and the second sliding seat 209.

[0024] Please refer to Figure 3 As shown, a guide rod 202 is also fixedly installed at the inner bottom end of the fixed frame 102. The first movable seat 204 and the second movable seat 205 are both slidably connected to the outer surface of the guide rod 202.

[0025] Please refer to Figure 3As shown, one end of the threaded rod 201 is fixedly connected to the output end of the servo motor 203, and the servo motor 203 is fixedly installed at the outer bottom end of the fixed frame 102.

[0026] In this solution, the output end of the servo motor 203 drives the threaded rod 201 to rotate, so that the first movable seat 204 and the second movable seat 205 approach or move away from each other, and the first sliding seat 208 and the second sliding seat 209 approach or move away from each other. When approaching, the telescopic member 210 is in a stretched state, driving the lifting plate 105 to move upward. When moving away, the telescopic member 210 is in a contracted state, driving the lifting plate 105 to move downward. Thus, the height of the water level detector 124 is changed, which is convenient and fast, meeting the needs of the staff. And when not in use, the telescopic member 410 can be contracted into the fixed frame 102, and the overall volume of the device can be changed, facilitating transportation.

[0027] Embodiment 3 Please refer to Figure 4 and Figure 6 As shown, the installation mechanism 3 includes two groups of connecting plates 301, which are respectively fixedly connected to both sides inside the water receiving hopper 119. A fixed ring 303 is fixedly installed between the two groups of connecting plates 301. A rotating ring 304 is arranged inside the fixed ring 303. Three arc-shaped grooves 305 are formed through the top surface of the rotating ring 304, and three through grooves 309 are formed through the circumferential surface of the fixed ring 303. A sliding member 306 is slidably connected inside the arc-shaped groove 305. Both the upper and lower ends of the sliding member 306 are fixedly connected to a clamping block 308 through a connecting member 307. The connecting member 307 is slidably connected inside the through groove 309. The middle part of the bottom end of the rotating ring 304 is fixedly connected to a rotating shaft 310, and the other end of the rotating shaft 310 is fixedly installed with a first bevel gear 311.

[0028] Please refer to Figure 7 As shown, a sleeve 312 is also fixedly connected inside the water receiving hopper 119. A rotating rod 313 is rotatably connected inside the sleeve 312. One end of the rotating rod 313 is fixedly installed with a second bevel gear 314 meshing with the first bevel gear 311, and the other end of the rotating rod 313 extends to the outside of the water receiving hopper 119 and is fixedly connected to a rotating wheel 315.

[0029] Please refer to Figure 6 As shown, positioning grooves 302 are formed at the top ends of the connecting plates 301. Positioning plates 121 adapted to the positioning grooves 302 are fixedly connected to both sides of the bottom end of the filter net 120.

[0030] Please refer to Figure 5 As shown, three arc-shaped plates 122 are also fixedly connected to the bottom of the filter net 120. A clamping groove 123 adapted to the clamping block 308 is formed inside the arc-shaped plate 122.

[0031] In this solution, a filter net 120 is provided to prevent impurities such as fallen leaves from entering the interior of the cylinder 110 and causing blockage. When installing the filter net 101, the positioning plate 121 is placed inside the positioning groove 302, and by rotating the runner 315, the rotating rod 313 and the second bevel gear 314 rotate synchronously as a whole, driving the first bevel gear 311 and the rotating shaft 310 to rotate synchronously. Then, the rotating ring 304 rotates, causing the sliding member 306 to slide along the interior of the arc-shaped groove 305, enabling the connecting member 307 to slide inside the through groove 309, driving the movement of the clamping block 308, and inserting it into the clamping groove 123 to fix the filter net 120. Conversely, the filter net 120 can be disassembled, meeting the needs of the staff.

[0032] Working principle and usage process of the present invention: When the present invention is in use, in this solution, the device is fixed to the edge of the foundation pit of the construction project through the installation holes 101, and then the rope 104 is pulled up and fixed again by the ground anchor at the end of the rope 104, improving the stability of the installation of the device. The two solar panels 108 convert solar light resources into electrical energy resources for the device to use. And a lifting mechanism 2 is provided to drive the water level detector 124 to move up and down. The water level detector 124 extends above the water surface of the foundation pit, so that the height of the water level detector 124 is at the "dangerous water level" height (i.e., the water level height that requires an alarm) of the monitoring point of the foundation pit. The water level detector 124 functions to measure the water level, and the cylinder 110 collects rainwater. When the collected rainwater is increasing, the spring 113 is in a contracted state, and the cylinder 110 moves downward. When the touch plate 111 touches the switch 114, the rainwater in the cylinder 110 is full, and the metering valve 115 immediately opens. The time relay 118 controls the opening time of the metering valve 115. When the time controlled by the time relay 118 ends, the metering valve 115 immediately closes, and the timer 117 starts timing to detect the time when the rainwater is full next time. Also, the amount of rainwater discharged is detected through the metering valve 115, so that the time taken to collect a certain amount of rainwater can be obtained, and the current rainfall intensity can be judged as light rain, moderate rain or heavy rain. The controller 116 transmits the monitoring data to the cloud platform management center.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A building engineering environment monitoring device, including a base (1), characterized in that, At the four corner positions at the top of the base (1), mounting holes (101) are penetrated and opened. A fixing frame (102) is welded to the top of the base (1). Two groups of fixing rings (103) are fixedly installed on both the left and right sides of the fixing frame (102). A rope (104) is bolted to the fixing ring (103). And a lifting plate (105) is arranged directly above the base (1). The inside of the fixing frame (102) is connected to the lifting plate (105) through a lifting mechanism (2). And the top of the lifting plate (105) is fixedly connected to a mounting plate (106) through a reinforcing rib. A cylinder body (110) is slidably connected inside the mounting plate (106). A water receiving hopper (119) is communicated with the top of the cylinder body (110). A filter screen (120) is connected inside the water receiving hopper (119) through a mounting mechanism (3). On both sides of the top of the cylinder body (110), fixing plates (112) are welded. A number of springs (113) are fixedly connected to the bottom of the fixing plates (112). The other ends of the springs (113) are fixedly connected to the base (1). A touch plate (111) is also installed at the top of the cylinder body (110). A switch (114) is arranged on the right side of the top of the base (1). And a metering valve (115) is arranged at the water outlet end of the cylinder body (110). The metering valve (115) is electrically connected to the switch (114). A support plate (107) is fixedly installed in the middle of the top of the base (1). Solar panels (108) are arranged on both the front and back sides of the support plate (107). A monitoring device (109) is installed at a position near the left side of the top of the base (1). And a controller (116), a timer (117) and a time relay (118) are installed on the right side of the fixing frame (102). The timer (117) and the time relay (118) are respectively located on the front and back sides of the controller (116). A water level detector (124) is installed on the left side of the bottom end of the mounting plate (106).

2. The environmental monitoring device for construction projects according to claim 1, wherein The lifting mechanism (2) includes a threaded rod (201), a first movable seat (204), a second movable seat (205) and a telescopic member (210). The threaded rod (201) is rotatably connected to the bottom end inside the fixing frame (102). The thread directions of the two ends of the threaded rod (201) are opposite. And the first movable seat (204) and the second movable seat (205) are respectively threadedly connected to the two ends of the threaded rod (201). On both sides of the bottom end of the lifting plate (105), slide rails (206) are fixedly installed. Baffles (207) are fixedly installed on both sides of the slide rails (206). And the two ends of the outer surface of the slide rails (206) are respectively slidably connected with a first sliding seat (208) and a second sliding seat (209).

3. An environmental monitoring device for construction projects according to claim 2, characterized in that, Both sides of the top end of the telescopic member (210) are respectively hinged inside the first movable seat (204) and the second movable seat (205). And both sides of the bottom end of the telescopic member (210) are respectively hinged inside the first sliding seat (208) and the second sliding seat (209).

4. An environmental monitoring device for construction projects according to claim 2, characterized in that, At the inner bottom end of the fixed frame (102), a guide rod (202) is also fixedly installed, and both the first movable seat (204) and the second movable seat (205) are slidably connected to the outer surface of the guide rod (202).

5. The environmental monitoring device for construction projects according to claim 2, characterized in that, One end of the threaded rod (201) is fixedly connected to the output end of the servo motor (203), and the servo motor (203) is fixedly installed at the outer bottom end of the fixed frame (102).

6. The environmental monitoring device for construction projects according to claim 1, wherein The installation mechanism (3) includes two sets of connecting plates (301). The two sets of connecting plates (301) are respectively fixedly connected to both sides inside the water receiving hopper (119). A fixing ring (303) is fixedly installed between the two sets of connecting plates (301). A rotating ring (304) is arranged inside the fixing ring (303). Three arc-shaped grooves (305) are formed through the top surface of the rotating ring (304). Three through grooves (309) are formed through the circumferential surface of the fixing ring (303). A sliding member (306) is slidably connected inside the arc-shaped groove (305). Both the upper and lower ends of the sliding member (306) are fixedly connected to a clamping block (308) through a connecting member (307). The connecting member (307) is slidably connected inside the through groove (309). The middle of the bottom end of the rotating ring (304) is fixedly connected to a rotating shaft (310). The other end of the rotating shaft (310) is fixedly installed with a first bevel gear (311).

7. The environmental monitoring device for construction engineering according to claim 6, characterized in that, A sleeve (312) is also fixedly connected inside the water receiving hopper (119). A rotating rod (313) is rotatably connected inside the sleeve (312). One end of the rotating rod (313) is fixedly installed with a second bevel gear (314) meshing with the first bevel gear (311). The other end of the rotating rod (313) extends to the outside of the water receiving hopper (119) and is fixedly connected to a rotating wheel (315).

8. An environmental monitoring device for construction projects according to claim 6, characterized in that, Positioning grooves (302) are formed at the top ends of the connecting plates (301). Positioning plates (121) adapted to the positioning grooves (302) are fixedly connected to both sides of the bottom end of the filter net (120).

9. An environmental monitoring device for construction projects according to claim 6, characterized in that, Three arc-shaped plates (122) are also fixedly connected to the bottom of the filter net (120). A clamping groove (123) adapted to the clamping block (308) is formed inside the inner side of the arc-shaped plate (122).

10. A method for monitoring the construction engineering environment, which is used to implement a construction engineering environment monitoring device as described in any one of claims 1-9, characterized in that, Including: S1. Fix the device to the edge of the foundation pit of the construction project through the installation holes (101), then pull up the rope (104), and use the ground anchor at the end of the rope (104) to fix it again; S2. Use two solar panels (108) to convert solar light resources into electrical energy resources for the device to use; S3. Drive the water level detector (124) to move up and down through the lifting mechanism (2). The water level detector (124) extends above the water surface of the foundation pit, so that the height of the water level detector (124) is at the "dangerous water level" height of the monitoring point of the foundation pit. The water level detector (124) functions to measure the water level; S4. The cylinder body (110) collects rainwater. When the amount of collected rainwater increases, the spring (113) is in a contracted state, and the cylinder body (110) moves downward. When the touch plate (111) touches the switch (114), the rainwater in the cylinder body (110) is full, and the metering valve (115) immediately opens. The time relay (118) controls the opening time of the metering valve (115). When the time controlled by the time relay (118) ends, the metering valve (115) immediately closes, and the timer (117) starts timing to detect the time when the rainwater is full next time. The amount of discharged rainwater is detected through the metering valve (115), the time required to collect a certain amount of rainwater is obtained, the current rainfall intensity is judged whether it is light rain, moderate rain or heavy rain, and the time required to reach the "dangerous water level" is estimated to help the staff carry out rapid prevention.

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