Intelligent building monitoring system based on big data
Technical Field
The invention relates to the technical field of big data intelligent building monitoring, in particular to an intelligent building monitoring system based on big data.
Background
Big data refers to a data set which cannot be captured, managed and processed by a conventional software tool within a certain time range, and is a massive, high-growth-rate and diversified information asset which needs a new processing mode to have stronger decision-making ability, insight discovery ability and flow optimization ability; big data are applied in the fields of electronic commerce, transportation, finance, retail, medical treatment, entertainment, construction and the like; in the building industry, big data intelligent building monitoring is organically combined with building monitoring through big data; building monitoring is to monitor the building structure of a building body or the power supply, illumination, exhaust, drainage, refrigeration, heating and surrounding environment in a building through a controller, so that the safety and the comfort of the building are guaranteed, but due to the fact that the prior art is insufficient, in areas with low rainfall, such as the western China, the wall surface on the building can crack after long-time sunlight irradiation, the wall surface needs to be monitored manually and regularly, and the humidity of the wall surface of the building is maintained through water spraying, but the process is labor-consuming and labor-consuming, and the efficiency is low.
Some technical solutions related to intelligent building monitoring systems based on big data also appear in the prior art, for example, a chinese patent with application number CN201811266855.3 discloses an intelligent building monitoring system based on big data, which includes: the system comprises a monitoring host, a video monitoring device for collecting image information of elevators, channels, parking lots and public facilities at 360 degrees, a power distribution monitoring device for obtaining power distribution conditions in a building, a fire monitoring device for obtaining clear image information of a fire scene, an access control monitoring device for identifying staff and controlling the opening and closing of an access control of a power distribution room and obtaining staff information and access control opening and closing conditions, a heating monitoring device for monitoring water flow, water temperature and water pressure conditions of a heating pipeline and a plurality of mobile terminals, wherein the monitoring host is used for acquiring the image information of the elevators, the channels, the parking lots and the public facilities at 360 degrees; the monitoring host acquires all monitoring information, and sends corresponding instructions to the mobile terminal according to the monitoring information, and the mobile terminal sends the site maintenance condition to the monitoring host; according to the technical scheme, the environmental information and the safety information of the building can be monitored in an omnibearing manner, and the comfort and the safety of life of people can be ensured; however, the technical scheme cannot monitor the humidity of the wall of the building, so that the wall surface of the building can crack after long-time sunlight irradiation, the living safety of people in the building is affected, and further the scheme is limited.
In view of the above, the present invention provides an intelligent building monitoring system based on big data, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the intelligent building monitoring system based on big data, the spraying device monitors the humidity on the outer wall of the building through the monitoring device and is matched with the spraying device to spray rainwater on the outer wall of the building, so that the humidity of the outer wall of the building reaches a preset threshold value under the monitoring of the system, the service life of the outer wall of the building is prolonged, and meanwhile, the intelligent building monitoring system based on big data has the characteristics of economy, practicability, automation and high efficiency.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a big data-based intelligent building monitoring system, which comprises a database center, an acquisition device, a monitoring device and a spraying device; the database center is connected with the acquisition device, the monitoring device and the spraying device through a network and is used for carrying out data transmission; the acquisition device is used for acquiring weather data around the building; the monitoring device comprises a humidity sensor; the humidity sensor is arranged on the outer wall of the building, and the humidity sensor is used for detecting the humidity of the outer wall of the building; the database center is used for sorting and analyzing the data of the acquisition device and the monitoring device; the spraying device is used for spraying the outer wall of the building;
the spraying device comprises a water pipe, a base block, a spray head and a controller; the water pipe is positioned around the outer wall, and the outer wall of the water pipe is fixedly connected with the base block; the base block is fixedly connected to the outer wall, and an L-shaped hole is formed in the base block; one end of the L-shaped hole is communicated with the inside of the water pipe, the other end of the L-shaped hole is communicated with the outer wall of the base block, and the other end of the L-shaped hole is fixedly connected with a spray head; the spray heads are arranged towards the outer wall; a rectangular groove is formed in the base block; the rectangular groove is positioned at the middle section of the L-shaped hole and is connected with a sliding block in a sliding manner; the sliding block can slide up and down along the rectangular groove, and air holes are formed in the sliding block; the air holes can be communicated with the L-shaped holes after the sliding block moves; a first motor is fixedly connected to the outer wall; the output shaft of the first motor is fixedly connected with a rotating block; a rope is arranged on the outer wall of the rotating block, and the other end of the rope is connected with a sliding block; the sliding block can slide along the rectangular groove under the drive of the rope; the inner wall of one end of the water pipe close to the ground is rotationally connected with a rolling rod; the rolling rod is fixedly connected with a disc; the disc can block the other end of the water pipe after the rolling rod rotates; a second motor is embedded on the outer wall; an output shaft of the second motor is connected with one end of the rolling rod; the inner wall of the other end of the water pipe is fixedly connected with a pressure sensor; the controller is used for controlling the automatic operation of the spraying device;
when the intelligent water heater is used, due to the defect of the prior art, in areas with low rainfall, such as the western China, the wall surface on a building can crack after long-time sunlight irradiation, so that the wall surface is required to be monitored manually and regularly, and the humidity of the building wall surface is maintained by spraying water, but the process is labor-consuming and has low efficiency;
the controller is started by staff, the second motor is controlled to rotate, the second motor drives the rolling rod to rotate, the rolling rod rotates to drive the disc to block the other end of the water pipe, so that in the raining process, rainwater at the top of a building flows in along the other end of the water pipe, water can squeeze the pressure sensor on the inner wall of the water pipe, the numerical value of the pressure sensor can change under the action of water pressure, therefore, the water level of the rainwater in the water pipe is judged through the pressure sensor and then matched with the disc, the water quantity in the water pipe is ensured, the acquisition device can acquire the precipitation quantity and the temperature of one circle in the future, the humidity sensor in the monitoring device can detect the humidity of the outer wall, the humidity of the outer wall is analyzed through the center of the database, if the humidity of the outer wall is smaller than a preset threshold value, the controller can control the first motor to rotate, the rotating first motor can drive the fixedly connected rotating block to wind the wire rope, the wire rope under the pulling action of the wire rope, the wire rope is communicated with the L-shaped hole after the wire rope moves, the wire rope enters the L-shaped hole along one end of the L-shaped hole, the water level is enabled to flow out of the L-shaped hole in advance, and the humidity is prevented from flowing out of the water hole along the L-shaped hole after the water pipe is controlled to flow along the L-shaped hole, and finally the humidity is prevented from flowing out of the water hole after the water hole is controlled to flow along the L-shaped hole, and the humidity sensor is prevented from flowing along the L-shaped hole;
the invention monitors the humidity on the building outer wall through the monitoring device and then is matched with the spraying device to spray rainwater on the building outer wall, so that the humidity of the building outer wall reaches a preset threshold value under the monitoring of the system, the service life of the building outer wall is prolonged, and the invention has the characteristics of economy, practicability, automation and high efficiency.
Preferably, a spring is arranged in the rectangular groove; the spring is positioned above the sliding block, one end of the spring is connected with the wall of the rectangular groove, and the other end of the spring is connected with the sliding block; when the novel shower nozzle is used, the motor I drives the rotating block to loosen the cotton rope, the sliding block slides along the rectangular groove under the action of gravity, the spring can transfer the elastic force to the sliding block, the sliding block is subjected to the dual action of the elastic force of the spring and the gravity of the sliding block, the time that the sliding block drives the air hole to be far away from the L-shaped hole is reduced, rainwater is prevented from continuously flowing along the L-shaped hole in the moving time of the sliding block, redundant rainwater is caused to be sprayed out along the shower nozzle, and the precision of the shower nozzle for spraying the rainwater is improved.
Preferably, the rotating block is arranged in a conical shape; the rope can be wound around the rotating block and then slides down along the outer wall of the rotating block; when the novel intelligent air conditioner is used, the first motor drives the rotating block to rotate, the rotating block drives the wire rope to wind, the sliding block is driven to slide along the rectangular groove in the wire rope winding process, the air hole is communicated with the L-shaped hole under the driving of the sliding block, the wire rope slides down along the outer wall of the rotating block along with the rotation of the rotating block, the wire rope returns to an initial state, the sliding block slides along the rectangular groove under the elastic action of the spring and the self gravity action, so that the air hole is far away from the L-shaped hole under the driving of the sliding block, the effect of intermittently opening the L-shaped hole is achieved, the range of rainwater sprayed out of the collision head is changed, the range of the rainwater covering the building outer wall is enlarged, and the practical application effect of the novel intelligent air conditioner is improved.
Preferably, the outer wall of the rotating block is rotatably connected with a rotating rod; one end of the rope is fixedly connected to the rotating rod, and a sheath is sleeved on the outer wall of the rope; when the novel rope twisting device is used, the rotating rod is connected to the rotating block in a rotating mode, the rotating block is connected with the rope through the rotating rod, the situation that one end of the rope is broken after being twisted for a long time is prevented, meanwhile, the rotating block is blocked by the sheath in the contact process of the rotating block and the rope, abrasion between the rope and the rotating block is reduced, the service life of the rope is prolonged, and the stability of the novel rope twisting device is improved.
Preferably, the inside of the water pipe is connected with the scraping block in a sliding way; the cross section of the scraping block is circular; the sliding block and the scraping block are made of magnetic materials, and the magnetism of the sliding block is opposite to that of the scraping block; during the use, the slider removes the in-process and can drive the scraping block through magnetic force and scrape along the inner wall of water pipe to make the impurity that is close to on the water pipe inner wall of basic block scrape the action and use down and drop, prevent that impurity card from influencing the rainwater flow in the one end in L shape hole, thereby improved the rainwater stability along L shape hole flow.
Preferably, the outer wall of the scraping block is provided with an annular groove; the cross section of the annular groove is semicircular, and a through groove is formed in the bottom of the annular groove; the through groove is communicated with the inner wall of the scraping block; when the novel scraping device is used, the scraping block is driven to move to the periphery of one end of the L-shaped hole by the movement of the sliding block, so that rainwater can flow into the annular groove from the inner wall of the scraping block along the through groove and then flow into the L-shaped hole from the annular groove, the scraping block is prevented from blocking the L-shaped hole under the driving of the sliding block, and the practical application effect of the novel scraping device is improved.
The beneficial effects of the invention are as follows:
1. the invention monitors the humidity on the building outer wall through the monitoring device and then is matched with the spraying device to spray rainwater on the building outer wall, so that the humidity of the building outer wall reaches a preset threshold value under the monitoring of the system, the service life of the building outer wall is prolonged, and the invention has the characteristics of economy, practicability, automation and high efficiency.
2. According to the invention, after the first motor of the spraying device drives the rotating block to loosen the rope, the sliding block slides along the rectangular groove under the action of gravity, meanwhile, the spring can transfer the elastic force to the sliding block, the sliding block is subjected to the double effects of the elastic force of the spring and the gravity of the sliding block, so that the time that the sliding block drives the air hole to be far away from the L-shaped hole is reduced, rainwater is prevented from continuously flowing along the L-shaped hole in the moving time of the sliding block, and redundant rainwater is prevented from being sprayed along the spray head, and the precision of the spray head for spraying the rainwater is further improved.
3. According to the invention, in the process that the first motor of the spraying device drives the rotating block to rotate, the rotating block drives the wire rope to wind, and in the process that the wire rope winds, the sliding block is driven to slide along the rectangular groove, so that the air hole is communicated with the L-shaped hole under the driving of the sliding block, the wire rope slides down along the outer wall of the rotating block along with the rotation of the rotating block, so that the wire rope returns to an initial state, and the sliding block slides along the rectangular groove under the elastic action of the spring and the self gravity action, so that the air hole is far away from the L-shaped hole under the driving of the sliding block, and the operation is repeated, so that the effect of intermittently opening the L-shaped hole is achieved, the range of rainwater sprayed out by the collision head is changed, the range of the rainwater covering the building outer wall is enlarged, and the practical application effect of the invention is further improved.
Drawings
The invention will be further described with reference to the drawings and embodiments.
FIG. 1 is a position diagram of the installation of a spray device of the present invention;
FIG. 2 is a cross-sectional view of the spray device of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is an enlarged view at C in FIG. 2;
FIG. 6 is an internal block diagram of the base block of the sprinkler of the present invention;
in the figure: the water pipe 1, the rolling rod 11, the disc 12, the motor No. two 13, the pressure sensor 14, the base block 2, the L-shaped hole 21, the rectangular groove 22, the spring 23, the spray head 3, the sliding block 4, the air hole 41, the motor No. 5, the rotating block 51, the rope 52, the rotating rod 53, the sheath 54, the scraping block 6, the annular groove 61 and the through groove 62.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 6, the intelligent building monitoring system based on big data comprises a database center, an acquisition device, a monitoring device and a spraying device; the database center is connected with the acquisition device, the monitoring device and the spraying device through a network and is used for carrying out data transmission; the acquisition device is used for acquiring weather data around the building; the monitoring device comprises a humidity sensor; the humidity sensor is arranged on the outer wall of the building, and the humidity sensor is used for detecting the humidity of the outer wall of the building; the database center is used for sorting and analyzing the data of the acquisition device and the monitoring device; the spraying device is used for spraying the outer wall of the building;
the spraying device comprises a water pipe 1, a base block 2, a spray head 3 and a controller; the water pipe 1 is positioned around the outer wall, and the outer wall of the water pipe 1 is fixedly connected with the base block 2; the base block 2 is fixedly connected to the outer wall, and an L-shaped hole 21 is formed in the base block 2; one end of the L-shaped hole 21 is communicated with the inside of the water pipe 1, the other end of the L-shaped hole is communicated with the outer wall of the base block 2, and the other end of the L-shaped hole 21 is fixedly connected with the spray head 3; the spray head 3 is arranged towards the outer wall; a rectangular groove 22 is formed in the base block 2; the rectangular groove 22 is positioned at the middle section of the L-shaped hole 21, and the rectangular groove 22 is connected with the sliding block 4 in a sliding way; the sliding block 4 can slide up and down along the rectangular groove 22, and an air hole 41 is formed in the sliding block 4; the air hole 41 can be communicated with the L-shaped hole 21 after the sliding block 4 moves; the outer wall is fixedly connected with a motor No. 5; the output shaft of the first motor 5 is fixedly connected with a rotating block 51; a rope 52 is arranged on the outer wall of the rotating block 51, and the other end of the rope 52 is connected with the sliding block 4; the sliding block 4 can slide along the rectangular groove 22 under the driving of the rope 52; the inner wall of one end of the water pipe 1 close to the ground is rotatably connected with a rolling rod 11; the roller 11 is fixedly connected with a disc 12; the disc 12 can plug the other end of the water pipe 1 after the rolling rod 11 rotates; a second motor 13 is embedded on the outer wall; an output shaft of the second motor 13 is connected with one end of the rolling rod 11; the inner wall of the other end of the water pipe 1 is fixedly connected with a pressure sensor 14; the controller is used for controlling the automatic operation of the spraying device;
when the intelligent water heater is used, due to the defect of the prior art, in areas with low rainfall, such as the western China, the wall surface on a building can crack after long-time sunlight irradiation, so that the wall surface is required to be monitored manually and regularly, and the humidity of the building wall surface is maintained by spraying water, but the process is labor-consuming and has low efficiency;
the controller is started by staff, the controller controls the motor II 13 to rotate, the motor II drives the rolling rod 11 to rotate, the rolling rod 11 rotates to drive the disc 12 to block the other end of the water pipe 1, so that in the raining process, rainwater at the top of a building flows in along the other end of the water pipe 1, water can squeeze the pressure sensor 14 on the inner wall of the water pipe 1, the numerical value of the pressure sensor 14 can change under the action of water pressure, thereby judging the water level of the rainwater in the water pipe 1 through the pressure sensor 14, then the water level is matched with the disc 12, the water quantity in the water pipe 1 is ensured, the acquisition device can acquire the water yield and the temperature of the future circle, the humidity sensor in the monitoring device can detect the humidity of the outside wall, then the humidity of the building is analyzed through the center of a database, if the humidity of the outside wall is smaller than a preset threshold value, the controller controls the motor I5 to rotate, the rotating motor I5 can drive the fixedly connected rotating block 51 to rotate, the rotating block 52 can wind the rope 52, the rope 52 can slide along the rectangular sliding block 22 under the pulling action, the air hole 41 can judge the water level of the water in the water pipe 1, then be matched with the disc 12, the water yield in the water level is ensured, the water yield is prevented from flowing out of the water level 21 through the L-shaped 21 after the water level is controlled to flow through the L-shaped 21, and the water yield is prevented from flowing out of the water level 21 through the water outlet 21, and the water outlet 21 is prevented from flowing along the L-shaped 21, and the water outlet 21 is prevented from flowing along the water outlet 21, and the water outlet 21 is prevented from flowing through the water hole, and the water outlet 21;
the invention monitors the humidity on the building outer wall through the monitoring device and then is matched with the spraying device to spray rainwater on the building outer wall, so that the humidity of the building outer wall reaches a preset threshold value under the monitoring of the system, the service life of the building outer wall is prolonged, and the invention has the characteristics of economy, practicability, automation and high efficiency.
As an embodiment of the present invention, a spring 23 is disposed in the rectangular groove 22; the spring 23 is positioned above the sliding block 4, one end of the spring 23 is connected with the groove wall of the rectangular groove 22, and the other end of the spring is connected with the sliding block 4; when the novel shower nozzle is used, the motor 5 drives the rotating block 51 to loosen the cotton rope 52, the sliding block 4 slides along the rectangular groove 22 under the action of gravity, meanwhile, the spring 23 can transfer the elastic force to the sliding block 4, the sliding block 4 is subjected to the double action of the elastic force of the spring 23 and the gravity of the sliding block 4, the time that the sliding block 4 drives the air hole 41 to be far away from the L-shaped hole 21 is reduced, rainwater is prevented from continuously flowing along the L-shaped hole 21 in the moving time of the sliding block 4, redundant rainwater is caused to be sprayed out along the shower nozzle 3, and the precision of the shower nozzle 3 for spraying the rainwater is improved.
As an embodiment of the present invention, the rotating block 51 is provided in a tapered shape; the cord 52 is capable of being wound around the rotating block 51 and then slid down along the outer wall of the rotating block 51; when the novel intelligent air conditioner is used, in the process that the first motor 5 drives the rotating block 51 to rotate, the rotating block 51 drives the wire rope 52 to wind, the wire rope 52 drives the sliding block 4 to slide along the rectangular groove 22 in the winding process of the wire rope 52, the air hole 41 is communicated with the L-shaped hole 21 under the drive of the sliding block 4, the wire rope 52 slides down along the outer wall of the rotating block 51 along with the rotation of the rotating block 51, the wire rope 52 returns to an initial state, the sliding block 4 slides along the rectangular groove 22 under the elastic force action of the spring 23 and the self gravity action, the air hole 41 is far away from the L-shaped hole 21 under the drive of the sliding block 4, and the operation is repeated, so that the effect of intermittently opening the L-shaped hole 21 is achieved, the range of rainwater sprayed by the collision head is changed, the range of the building outer wall covered by rainwater is enlarged, and the practical application effect of the novel intelligent air conditioner is improved.
As an embodiment of the present invention, the outer wall of the rotating block 51 is rotatably connected with a rotating rod 53; one end of the rope 52 is fixedly connected to the rotating rod 53, and a sheath 54 is sleeved on the outer wall of the rope 52; when the novel rope twisting device is used, the rotating rod 53 is connected to the rotating block 51 in a rotating mode, the rotating block 51 is connected with the rope 52 through the rotating rod 53, breakage caused by twisting of one end of the rope 52 for a long time is prevented, meanwhile, the rotating block 51 is blocked by the sheath 54 in the contact process of the rope 52, abrasion between the rope 52 and the rotating block 51 is reduced, the service life of the rope 52 is prolonged, and stability of the novel rope twisting device is improved.
As an embodiment of the present invention, the inside of the water pipe 1 is slidably connected with a scraping block 6; the cross section of the scraping block 6 is arranged in a circular shape; the sliding block 4 and the scraping block 6 are made of magnetic materials, and the magnetism of the sliding block 4 is opposite to that of the scraping block 6; during the use, slider 4 can be through the magnetic force drive scraping block 6 scrape along the inner wall of water pipe 1 in the removal in-process to make the impurity on the water pipe 1 inner wall that is close to basic block 2 scrape the action and use down and drop with scraping block 6, prevent that the impurity card from influencing the rainwater flow in the one end of L shape hole 21, thereby improved the stability that the rainwater flows along L shape hole 21.
As an embodiment of the present invention, the outer wall of the scraper block 6 is provided with an annular groove 61; the cross section of the annular groove 61 is semicircular, and a through groove 62 is formed in the bottom of the annular groove 61; the through groove 62 is communicated with the inner wall of the scraping block 6; when the novel scraper block is used, the sliding block 4 moves to drive the scraper block 6 to move to the periphery of one end of the L-shaped hole 21, so that rainwater can flow into the annular groove 61 from the inner wall of the scraper block 6 along the through groove 62 and then flow into the L-shaped hole 21 from the annular groove 61, the scraper block 6 is prevented from blocking the L-shaped hole 21 under the drive of the sliding block 4, and the practical application effect of the novel scraper block is improved.
When the intelligent water level monitoring device is used, a worker starts the controller, the controller can control the motor II 13 to rotate, the motor II is rotated to drive the rolling rod 11 to rotate, the rolling rod 11 rotates to drive the disc 12 to plug the other end of the water pipe 1, so that rainwater at the top of a building can flow in along the other end of the water pipe 1 in the raining process, water can squeeze the pressure sensor 14 on the inner wall of the water pipe 1, the value of the pressure sensor 14 can change under the action of water pressure, the water level of the rainwater in the water pipe 1 is judged through the pressure sensor 14 and then matched with the disc 12, the water quantity in the water pipe 1 is ensured, the acquisition device can acquire the precipitation and the temperature of the future week, the humidity sensor in the monitoring device can detect the humidity of the outer wall of the building, and then through the analysis of the database center, if the humidity of the outer wall of the building is smaller than a preset threshold value, the controller can control the motor 5 to rotate, the rotating motor 5 can drive the fixedly connected rotating block 51 to rotate, the rotating block 51 can wind the rope 52, the rope 52 drives the sliding block 4 to slide along the rectangular groove 22 under the action of pulling, the air hole 41 is communicated with the L-shaped hole 21 after the sliding block 4 moves, so that rainwater in the water pipe 1 enters along one end of the L-shaped hole 21 and is discharged along the other end of the L-shaped hole 21, finally, the outer wall is sprayed through the spray head 3, when the humidity sensor senses that the humidity on the outer wall reaches a preset threshold value, the controller can control the motor 5 to drive the rotating block 51 to rotate reversely, so that the sliding block 4 does not slide along the rectangular groove 22 under the action of gravity of the rope 52, the air hole 41 deviates from the L-shaped hole 21 under the sliding of the sliding block 4, and the effect of preventing the rainwater flow of the L-shaped hole 21 is achieved; in the process that the first motor 5 drives the rotating block 51 to rotate, the rotating block 51 drives the wire rope 52 to wind, the wire rope 52 drives the sliding block 4 to slide along the rectangular groove 22 in the winding process of the wire rope 52, so that the air hole 41 is communicated with the L-shaped hole 21 under the drive of the sliding block 4, the wire rope 52 slides down along the outer wall of the rotating block 51 along with the rotation of the rotating block 51, so that the wire rope 52 returns to an initial state, the sliding block 4 slides along the rectangular groove 22 under the elastic force of the spring 23 and the self gravity, so that the air hole 41 is far away from the L-shaped hole 21 under the drive of the sliding block 4, the operation is repeated, the effect of intermittently opening the L-shaped hole 21 is achieved, the range of rainwater sprayed out by a collision head is changed, the range of the rainwater covering the outer wall of a building is enlarged, the practical application effect of the building is improved, the rotating block is connected to the rotating block 51 through the rotating rod 53, the rotating block 51 and the wire rope 52 are connected through the rotating rod 53, the condition that one end of the rope 52 is broken after being twisted for a long time is prevented, meanwhile, the rotating block 51 is blocked by the sheath 54 in the contact process of the rope 52, so that the abrasion between the rope 52 and the rotating block 51 is reduced, the service life of the rope 52 is further prolonged, the stability of the invention is improved, the scraping block 6 can be driven by magnetic force to scrape along the inner wall of the water pipe 1 in the moving process of the sliding block 4, impurities on the inner wall of the water pipe 1 close to the base block 2 fall off under the scraping action of the scraping block 6, the impurities are prevented from being blocked at one end of the L-shaped hole 21 to influence the rainwater flow, the flowing stability of the rainwater along the L-shaped hole 21 is improved, the sliding block 4 moves to drive the scraping block 6 to move to the periphery of one end of the L-shaped hole 21, so that the rainwater flows into the annular groove 61 from the inner wall of the scraping block 6 along the through groove 62 first, and then flows into the L-shaped hole 21 from the annular groove 61, thereby preventing the scraping block 6 from blocking the L-shaped hole 21 under the drive of the sliding block 4, and further improving the practical application effect of the invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.