Roof expansion joint water seepage amount detection device
Patent Information
- Application Number
- CN202423143110.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-18
AI Technical Summary
[0004]目前，是采用人工检测的方式对屋面伸缩缝进行渗水量检测，不仅费时费力，还存在检测误差
[0013]1. The roof expansion joint leakage detection device includes a detection box with an open lower end. The detection box is fixedly installed on the roof and spans the expansion joint to be tested. An impermeable mud layer is filled around the lower opening of the detection box and between it and the roof, and between the expansion joint and the roof. This means that when water is stored in the detection box, it submerges the expansion joint, and the leakage situation is determined by monitoring changes in the water level. A rainwater collection cylinder is located on one side of the detection box, and an instrument compartment is located on the other side. A partition inside the detection box divides the internal space into an independent water supply compartment and a detection compartment. The water supply compartment is located above the detection compartment. A drain outlet is located at the bottom of the detection compartment, and its opening and closing are controlled by a valve. The rainwater collection cylinder collects rainwater and supplies water to the detection compartment, eliminating the need for a separate water supply and improving the independence of the detection device. The drain outlet is used to drain residual rainwater from the detection compartment, ensuring the accuracy of subsequent tests. A drain outlet is provided on the partition, and its opening and closing are controlled by an electromagnetic switch valve. Rainwater collected by the rainwater collection cylinder is first stored in the water supply tank, and as needed, the water supply tank supplies testing water to the testing tank. A first level detector, a second level detector, and a third level detector are sequentially installed in the rainwater collection cylinder, water supply tank, and testing tank, respectively, meaning that the level and changes in the level in each tank can be detected. A water pump is installed in the rainwater collection cylinder, with its upstream end located at the bottom of the collection cylinder and its downstream end connected to the water supply tank. The pump draws the rainwater collected in the collection cylinder to the water supply tank. The instrument compartment contains a power supply and a display. The water pump is powered by a power source and is electrically connected to a first liquid level detector via a first PLC chip. The liquid level data detected by the first liquid level detector is transmitted to the first PLC chip. When the rainwater level collected in the rainwater collection tank reaches a specified height, the first PLC chip sends a signal to control the water pump to pump water for a specified period of time, replenishing the water supply tank. The electromagnetic switch valve is powered by a power source and is electrically connected to a second liquid level detector via a second PLC chip. When the rainwater level in the water supply tank reaches a specified height, the second PLC chip sends a signal to control the electromagnetic switch valve to open for a specified period of time, providing a specified volume of rainwater (specified high liquid level height) to the detection tank. The display is powered by a power source and is electrically connected to a third liquid level detector via a third PLC chip. The rainwater in the detection tank comes into contact with the roof and expansion joints, and the third PLC chip detects changes in the liquid level (e.g., over a 24-hour period) and outputs the liquid level signal on the display. Based on the changes in the liquid level, the leakage situation of the expansion joints is determined.
Smart Images
Figure CN223827506U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of architectural design, especially a roof expansion joint water seepage detection device. BACKGROUND
[0002] The inverted waterproof roof is provided with a drainage gutter on both sides, which is used for quickly draining roof water, and the inverted waterproof roof is provided with multiple blocks along the length direction of the drainage gutter, and expansion joints are arranged between adjacent waterproof roof blocks.
[0003] The roof expansion joint has a small deformation in the same season and can be ignored, but has a risk of water leakage, and if the water leakage is found and repaired, the interior decoration and environment are actually damaged. The national regulation requires that the roof seepage is observed on the ceiling of the roof after 30mm height of water storage and 24 hours of standing, whether there is a watermark or a phenomenon of rain leakage. Or after at least two hours of continuous rain, whether there is a phenomenon of water seepage on the ceiling inside the house. According to the "roof engineering quality acceptance specification", 9.0.8 checks whether the roof has leakage, water accumulation and whether the drainage system is unobstructed, which should be carried out after rain or continuous water for 2 hours, and the water test record should be filled. The eaves gutter and the gutter with water storage conditions should be subjected to water storage test, and the water storage time should not be less than 24 hours, and the water storage test record should be filled.
[0004] At present, the water seepage of the roof expansion joint is detected by manual detection, which is not only time-consuming and laborious, but also has detection errors.
[0005] Therefore, it is an urgent problem for those skilled in the art to design a device that can automatically detect the water seepage of the expansion joint. SUMMARY
[0006] The utility model aims at the shortage of prior art, provides a kind of roof expansion joint water seepage detection device, its structure is simple, preparation cost is low, can realize the automatic detection of the water seepage of roof expansion joint according to standard, and guarantee the accuracy of detection.
[0007] The technical solution of this utility model is: a roof expansion joint seepage detection device, including a detection box, the lower end of which is open. The detection box is fixedly installed on the roof and spans the expansion joint to be detected. An impermeable mud layer is filled between the lower opening of the detection box and the roof, and between the expansion joint and the roof. A rainwater collection cylinder is provided on one side of the detection box, and an instrument compartment is provided on the other side. A partition is provided inside the detection box, dividing the internal space into an independent water supply compartment and a detection compartment. The water supply compartment is located above the detection compartment. A drain outlet is provided at the bottom of the detection compartment, and its opening and closing are controlled by a valve. A drain outlet is provided on the partition, and its operation is controlled by electricity. A magnetic switch valve controls the opening and closing. A first level detector, a second level detector, and a third level detector are sequentially installed in the rainwater collection cylinder, water supply chamber, and detection chamber. A water pump is installed in the rainwater collection cylinder, with its upstream end located at the bottom of the collection cylinder and its downstream end connected to the water supply chamber. A power supply and a display are installed in the instrument chamber. The water pump is powered by the power supply and is electrically connected to the first level detector via a first PLC chip. The electromagnetic switch valve is powered by the power supply and is electrically connected to the second level detector via a second PLC chip. The display is powered by the power supply and is electrically connected to the third level detector via a third PLC chip.
[0008] The top of the rainwater collection cylinder is equipped with a baffle plate. One end of the baffle plate is fixedly connected to the inner wall of the rainwater collection cylinder and is located above the water pump. The other end extends downward at an angle and is spaced apart from the inner wall of the rainwater collection cylinder.
[0009] The top surface of the testing box is equipped with a solar photovoltaic panel, which is electrically connected to a power source.
[0010] The first liquid level detector, the second liquid level detector, and the third liquid level detector are all infrared detectors.
[0011] It also includes a drainage pump, which is powered by a power source. The upstream end of the drainage pump is located at the lower position of the detection chamber, and the downstream end extends out of the detection chamber and is electrically connected to the third liquid level detector through a third PLC chip.
[0012] The above technical solution has the following beneficial effects:
[0013] 1. The roof expansion joint leakage detection device includes a detection box with an open lower end. The detection box is fixedly installed on the roof and spans the expansion joint to be tested. An impermeable mud layer is filled around the lower opening of the detection box and between it and the roof, and between the expansion joint and the roof. This means that when water is stored in the detection box, it submerges the expansion joint, and the leakage situation is determined by monitoring changes in the water level. A rainwater collection cylinder is located on one side of the detection box, and an instrument compartment is located on the other side. A partition inside the detection box divides the internal space into an independent water supply compartment and a detection compartment. The water supply compartment is located above the detection compartment. A drain outlet is located at the bottom of the detection compartment, and its opening and closing are controlled by a valve. The rainwater collection cylinder collects rainwater and supplies water to the detection compartment, eliminating the need for a separate water supply and improving the independence of the detection device. The drain outlet is used to drain residual rainwater from the detection compartment, ensuring the accuracy of subsequent tests. A drain outlet is provided on the partition, and its opening and closing are controlled by an electromagnetic switch valve. Rainwater collected by the rainwater collection cylinder is first stored in the water supply tank, and as needed, the water supply tank supplies testing water to the testing tank. A first level detector, a second level detector, and a third level detector are sequentially installed in the rainwater collection cylinder, water supply tank, and testing tank, respectively, meaning that the level and changes in the level in each tank can be detected. A water pump is installed in the rainwater collection cylinder, with its upstream end located at the bottom of the collection cylinder and its downstream end connected to the water supply tank. The pump draws the rainwater collected in the collection cylinder to the water supply tank. The instrument compartment contains a power supply and a display. The water pump is powered by a power source and is electrically connected to a first liquid level detector via a first PLC chip. The liquid level data detected by the first liquid level detector is transmitted to the first PLC chip. When the rainwater level collected in the rainwater collection tank reaches a specified height, the first PLC chip sends a signal to control the water pump to pump water for a specified period of time, replenishing the water supply tank. The electromagnetic switch valve is powered by a power source and is electrically connected to a second liquid level detector via a second PLC chip. When the rainwater level in the water supply tank reaches a specified height, the second PLC chip sends a signal to control the electromagnetic switch valve to open for a specified period of time, providing a specified volume of rainwater (specified high liquid level height) to the detection tank. The display is powered by a power source and is electrically connected to a third liquid level detector via a third PLC chip. The rainwater in the detection tank comes into contact with the roof and expansion joints, and the third PLC chip detects changes in the liquid level (e.g., over a 24-hour period) and outputs the liquid level signal on the display. Based on the changes in the liquid level, the leakage situation of the expansion joints is determined.
[0014] 2. A baffle plate is installed on the top of the rainwater collection cylinder. One end of the baffle plate is fixedly connected to the inner wall of the rainwater collection cylinder and is located above the water pump. The other end extends downward at an angle and is spaced apart from the inner wall of the rainwater collection cylinder. This forms a shield for the water pump, ensuring the service life of the water pump and reducing the evaporation of rainwater.
[0015] 3. It also includes a drainage pump, which is powered by a power source. The upstream end of the drainage pump is located at the low position of the detection chamber, and the downstream end extends out of the detection chamber. It is electrically connected to the third liquid level detector through the third PLC chip. When the third PLC chip detects the liquid level change (24-hour time period), it sends a signal to control the drainage pump to start, emptying the detection water in the detection chamber, avoiding prolonged immersion of the expansion joint, and ensuring the accuracy of the next batch of measurements.
[0016] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model.
[0018] In the attached diagram, 1 is the detection box, 2 is the rainwater collection cylinder, 3 is the instrument compartment, 4 is the partition, 5 is the water supply compartment, 6 is the detection compartment, 7 is the drain outlet, 8 is the drain outlet, 9 is the electromagnetic switch valve, 10 is the first liquid level detector, 11 is the second liquid level detector, 12 is the third liquid level detector, 13 is the water pump, 14 is the power supply, 15 is the display, 19 is the baffle plate, 20 is the solar photovoltaic panel, and 21 is the drainage pump. Detailed Implementation
[0019] See Figure 1This is a specific embodiment of a roof expansion joint leakage detection device. The device includes a detection box 1 with an open lower end. The detection box 1 is fixedly installed on the roof and spans the expansion joint to be detected. An impermeable mud layer is filled between the lower opening of the detection box 1 and the roof, and between the expansion joint and the roof. This allows the detection box to be moved to a designated location as needed, and the impermeable mud layer can be refilled between the lower opening of the detection box and the roof, and between the expansion joint and the roof. A rainwater collection cylinder 2 is provided on one side of the detection box 1, and an instrument compartment 3 is provided on the other side. The instrument compartment 3 contains a power supply 14 and a display 15. Specifically, the power supply is a rechargeable battery, and a solar photovoltaic panel 20 is installed on the top surface of the detection box 1, electrically connected to the power supply 14 to charge the rechargeable battery. A partition 4 is provided inside the detection box 1, dividing the internal space into an independent water supply compartment 5 and a detection compartment 6, with the water supply compartment 5 located above the detection compartment 6. The bottom of the detection chamber 6 is provided with a drain outlet 7, which is controlled to open and close by a valve. In this embodiment, a drain pump 21 is installed in the detection chamber and powered by a power supply 14. The upstream end of the drain pump is located at the low position of the detection chamber 6, forming a drain outlet. The opening or closing of the drain outlet is controlled by opening or closing the drain pump. The downstream end of the drain pump extends out of the detection chamber for external drainage. A drain outlet 8 is provided on the partition 4 and is controlled to open and close by an electromagnetic switch valve 9, which is powered by a power supply. The rainwater collection cylinder 2, the water supply chamber 5, and the detection chamber 6 are sequentially provided with a first liquid level detector 10, a second liquid level detector 11, and a third liquid level detector 12. Typically, the first liquid level detector 10, the second liquid level detector 11, and the third liquid level detector 12 are all infrared detectors. The rainwater collection cylinder 2 is equipped with a water pump 13. The upstream end of the water pump 13 is located at the bottom of the rainwater collection cylinder, and the downstream end is connected to the water supply tank. Specifically, the water pump 13 is powered by an electric power source and is electrically connected to the first liquid level detector 10 through a first PLC chip. The first PLC chip is a conventional chip purchased online. To ensure the service life of the water pump and reduce the evaporation of rainwater in the rainwater collection cylinder, a baffle plate 19 is provided at the top of the rainwater collection cylinder 2. One end of the baffle plate 19 is fixedly connected to the inner wall of the rainwater collection cylinder and is located above the water pump 13. The other end extends downward at an angle and is spaced apart from the inner wall of the rainwater collection cylinder. The electromagnetic switch valve 9 is powered by an electric power source and is electrically connected to the second liquid level detector 11 through a second PLC chip. The second PLC chip is a conventional chip purchased online. The display 15 is powered by an electric power source and is electrically connected to the third liquid level detector 12 through a third PLC chip. In addition, the drainage pump is also electrically connected to the third liquid level detector through a third PLC chip. The third PLC chip is a conventional chip purchased online.
[0020] The working principle of this invention is as follows: When it rains, rainwater is collected in a rainwater collection cylinder, and the liquid level is detected by a first liquid level detector. Once a set value is reached, the first liquid level detector sends a signal to a water pump via a first PLC chip, controlling the pump to operate for a specified time period, pumping water into a water supply chamber for storage. A second liquid level detector then detects the liquid level, and once a set value is reached, it sends a signal to a solenoid valve via a second PLC chip, controlling the valve to open for a specified time period, discharging a specified volume of rainwater into the detection chamber. Alternatively, the solenoid valve can be manually opened or closed. A third liquid level detector inside the detection chamber detects the liquid level data and sends a signal to a display showing the liquid level and time data. According to design standards, if the liquid level drops by 0-A mm within a specified time period, the expansion joint is in normal condition; if it drops by A-B mm, the expansion joint needs closer monitoring; and if it drops by B-C mm, the expansion joint has lost its waterproof function. After the test is completed, the third PLC chip sends a signal to control the drainage pump to work until the rainwater in the test chamber is drained.
Claims
1. A device for detecting water leakage at roof expansion joints, characterized in that: Including detection box (1), The lower end of the detection box (1) is open, the detection box (1) is fixedly arranged on the roof, and spans the expansion joint to be detected, the periphery between the lower end of the detection box (1) and the roof is filled with a seepage prevention mud layer, and the expansion joint is filled with a seepage prevention mud layer, One side of the detection box (1) is provided with a rainwater collecting cylinder (2), the other side is provided with an instrument bin (3), a partition plate (4) is arranged in the detection box (1), the internal space of the detection box (1) is divided into a water supply bin (5) and a detection bin (6) which are independent of each other, the water supply bin (5) is located above the detection bin (6), a drainage port (7) is arranged at the bottom of the detection bin (6) and is controlled to open and close through a valve, a sewer port (8) is arranged on the partition plate (4) and is controlled to open and close through an electromagnetic switch valve (9), the rainwater collecting cylinder (2), the water supply bin (5) and the detection bin (6) are sequentially provided with a first liquid level detector (10), a second liquid level detector (11) and a third liquid level detector (12), The rainwater collecting cylinder (2) is provided with a water pump (13), the upstream end of the water pump (13) is located at the bottom of the rainwater collecting cylinder, and the downstream end is in communication with the water supply bin, The instrument bin (3) is provided with a power supply (14) and a display (15), The water pump (13) is powered by the power supply and is electrically connected with the first liquid level detector (10) through a first PLC chip, The electromagnetic switch valve (9) is powered by the power supply and is electrically connected with the second liquid level detector (11) through a second PLC chip, The display (15) is powered by the power supply and is electrically connected with the third liquid level detector (12) through a third PLC chip.
2. The water penetration detection device for roof expansion joint according to claim 1, characterized in that: The top of the rainwater collecting cylinder (2) is provided with a water baffle (19), one end of the water baffle (19) is fixedly connected with the inner wall of the rainwater collecting cylinder and is located above the water pump (13), and the other end extends downwardly and has a spacing distance from the inner wall of the rainwater collecting cylinder.
3. The water penetration detection device for roof expansion joints according to claim 1, characterized in that: The top surface of the detection box (1) is provided with a solar photovoltaic panel (20) which is electrically connected with the power supply (14).
4. The water infiltration detection device for roof expansion joints of claim 1, wherein: The first liquid level detector (10), the second liquid level detector (11) and the third liquid level detector (12) are all infrared detectors.
5. The water infiltration detection device for roof expansion joints of claim 1, wherein: Further comprising a drainage pump (21), the drainage pump (21) is powered by the power supply, the upstream end of the drainage pump (21) is located at the low position of the detection bin (6), the downstream end extends out of the detection bin (6), and the drainage pump (21) is electrically connected with the third liquid level detector (12) through a third PLC chip.