A waterproof layer leakage detection method and system based on passive water sensitive detection

Abstract

The present invention relates to a waterproof layer leakage detection method and system based on passive water-sensitive detection, comprising a control center (1), a wireless radio frequency reader (2), a plurality of passive water-sensitive detectors (3) and a supporting assembly; the wireless radio frequency reader is connected to the control center through a signal line and a power line respectively; the plurality of passive water-sensitive detectors are fixed on the lower side of the waterproof layer in an array distribution; the passive water-sensitive detector comprises a metal box and two electronic tags; the two electronic tags are stacked and connected in sequence from top to bottom; a water seepage structure is provided at the bottom of the passive water-sensitive detector; when there is no water leakage at the detection point, the electronic tag at the top is placed in the metal box; when there is water leakage at the detection point, the electronic tag at the bottom is placed in the metal box. The method can achieve low investment, timely detection, accurate search, precise maintenance, reduced interference, reduced cost and durability.

Description

Technical Field

[0001] The present invention relates to the technical field of building engineering, and in particular to a waterproof layer leakage detection method and system based on passive water-sensitive detection. Background Art

[0002] Indoor leakage in buildings is a very annoying thing. Since my country's construction relies heavily on farmers' specific operations, and farmers lack effective pre-job training constraints, the roofs of houses built in my country at this stage often leak.

[0003] Indoor water leakage usually occurs on the bottom of the roof of the top floor, the bottom of the floor of the water-filled room on each floor, and the inside of the basement exterior wall or the top of the floor. Indoor water leakage can cause stains or dripping. The main reason is that the waterproof layer of the building roof, the floor of the water-filled room, the basement floor or the exterior wall is not carefully constructed, the overlap length is not enough or the adhesion is not firm, etc., resulting in leaks in the waterproof layer.

[0004] Because there is usually an insulation layer under the waterproof layer of the building roof, and there is usually a filler under the waterproof layer in the water-filled room, and the filler or insulation layer is generally a porous material with strong water permeability, when water enters the filler or insulation layer through the leaking point of the waterproof layer, it will seep to the bottom surface of the insulation layer or filler, the top surface of the reinforced concrete floor slab, and flow horizontally, and finally converge to the top of the slab with a relatively low elevation. Over time, water will penetrate from this position through the concrete slab into the room, forming stains. The key to the problem is that the location of the stains we see indoors is often inconsistent with the location of the leaking point of the waterproof layer. Therefore, it is difficult for maintenance personnel to accurately find the real leaking point.

[0005] In actual projects, when a roof leaks, there are two existing methods. First, remove the waterproofing and insulation of the building roof as a whole and reconstruct the building roof. Second, cover the original roof with a layer of waterproofing membrane to prevent leakage in the short term. No matter which one, it is still an inaccurate and extensive method that fails to find the exact leaking point, and the maintenance work is large, wasting manpower and material resources. Summary of the invention

[0006] The purpose of the present invention is to provide a waterproof layer leakage detection method and system based on passive water-sensitive detection, aiming to solve the problems in the prior art that the exact leakage point cannot be found, the maintenance work is large, and manpower and material resources are wasted.

[0007] The embodiment of the present invention provides a waterproof layer leakage detection system based on passive water-sensitive detection, including a control center, a wireless radio frequency reader, a plurality of passive water-sensitive detectors and a support component;

[0008] The wireless radio frequency reader is connected to the control center through a signal line and a power line respectively; a plurality of passive water-sensitive detectors are fixed on the lower side of the waterproof layer in an array distribution; the passive water-sensitive detectors are detachably connected to the lower side of the waterproof layer through the support assembly;

[0009] The passive water-sensitive detector comprises a first box body, a second box body, a water-elongated material and two electronic tags, wherein the first box body comprises a first plastic box, a second plastic box and a metal box, wherein the first plastic box, the metal box, the second plastic box and the second box body are sequentially connected from top to bottom; the water-elongated material is arranged between the first box body and the second box body; the two electronic tags comprise a first electronic tag and a second electronic tag, wherein the two electronic tags are stacked and connected sequentially from top to bottom, wherein the first electronic tag is arranged above the second electronic tag, and the bottom of the first electronic tag abuts against the top of the second electronic tag, and one end of the water-elongated material abuts against the second box body, and the other end is detachably connected to the bottom of the second electronic tag;

[0010] A water seepage structure is provided at the bottom of the passive water-sensitive detector. When there is no water leakage at the detection point, the electronic tag located at the uppermost end is placed in the metal box, and the second electronic tag is placed in the second plastic box. When there is water leakage at the detection point, the electronic tag located at the lowermost end is placed in the metal box, and the first electronic tag is placed in the first plastic box.

[0011] In one embodiment of the present invention, the second box body is a porous water-permeable plastic container.

[0012] In one embodiment of the present invention, both of the two electronic tags are passive electronic tags.

[0013] In one embodiment of the present invention, the support assembly includes a main support member and a secondary support member; the main support member is fixed on the waterproof layer; the secondary support member is fixed on the second box body; after the main support member and the secondary support member are mutually engaged, the passive water-sensitive detector is fixed on the lower side of the waterproof layer.

[0014] The present invention also provides a method for detecting leakage of a waterproof layer based on passive water-sensitive detection, using the above-mentioned waterproof layer leakage detection system based on passive water-sensitive detection, and the method for detecting leakage of a waterproof layer based on passive water-sensitive detection includes the following steps: S1. During the construction of a building roof, when laying a waterproof layer, a plurality of passive water-sensitive detectors are evenly adhered to the lower side of the waterproof layer; S2. During detection, a wireless radio frequency reader is used to read the plurality of passive water-sensitive detectors to determine whether the positions of the plurality of passive water-sensitive detectors have changed; if so, it is determined that there is a leak at the changed position; if not, it is determined that there is no leak at the unchanged position.

[0015] In one embodiment of the present invention, the step S2 also includes the following steps: S21, obtaining the signal of the passive water sensitive detector; S22, determining whether it is the signal of the second electronic tag; if so, it is considered that there is no water leakage at the location of the passive water sensitive detector; if not, entering step S23; S24, determining whether it is the signal of the first electronic tag; if so, it is considered that there is a water leakage at the location of the passive water sensitive detector; if not, returning to step S21 for re-detection.

[0016] Based on the above technical solution, compared with the prior art, the waterproof layer leakage detection method and system based on passive water sensitive detection proposed in the embodiment of the present invention can

[0017] The water leakage point can be found without damaging any building structure accessories, and it can achieve low investment, timely detection, accurate location, precise repair, reduced interference, lower costs and durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Shown is a schematic structural diagram of the waterproof layer leakage detection system based on passive water-sensitive detection in the present invention.

[0019] Figure 2 Display as Figure 1 Schematic diagram of the structure of the passive water-sensitive detector when it is not exposed to water.

[0020] Figure 3 Display as Figure 1 Schematic diagram of the structure of the passive water-sensitive detector when it encounters water.

[0021] Figure 4 Shown is a block flow diagram of the waterproof layer leakage detection method based on passive water-sensitive detection in the present invention.

[0022] Component number description:

[0023] 1 control center, 2 wireless radio frequency reader, 3 passive water sensitive detector, 4 metal box, 5 first electronic tag, 6 second electronic tag, 7 first box body, 8 second box body, 9 water-elongated material, 10 first plastic box, 11 second plastic box, A water leakage area. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0026] In addition, it should be noted that the terms left, right, up, down, etc. in the embodiments of the present invention are only relative concepts or are based on the normal use state of the product, and should not be considered as restrictive. The implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0027] like Figures 1 to 3 As shown, Figure 1 Shown is a schematic structural diagram of the waterproof layer leakage detection system based on passive water-sensitive detection in the present invention. Figure 2 Display as Figure 1 Schematic diagram of the structure of the passive water-sensitive detector when it is not exposed to water.

[0028] Figure 3 Display as Figure 1 The structure diagram of the passive water-sensitive detector in the figure when it encounters water. The present invention provides a waterproof layer leakage detection system based on passive water-sensitive detection, including a control center 1, a wireless radio frequency reader 2 and a plurality of passive water-sensitive detectors 3; the wireless radio frequency reader 2 is connected to the control center 1 through a signal line and a power line respectively; a plurality of passive water-sensitive detectors 3 are fixed on the lower side of the waterproof layer in an array distribution; the passive water-sensitive detector 3 includes a metal box 4 and a plurality of electronic tags; a plurality of electronic tags are stacked and connected in sequence from top to bottom; a water seepage structure is provided at the bottom of the passive water-sensitive detector 3; when there is no water leakage at the detection point, the electronic tag at the top is placed in the metal box 4; when there is water leakage at the detection point, the electronic tag at the bottom is placed in the metal box 4. When there are multiple electronic tags, it is possible to determine not only whether there is a water leakage, but also the severity of the water leakage. For example, when detecting leakage, when there is no water leakage, the signals of multiple electronic tags remain unchanged; when there is a water leakage, the severity of the water leakage can be judged according to the number of electronic tags extending from the metal box 4; the more electronic tags extending from the metal box 4, the more serious the water leakage.

[0029] In one embodiment, the number of the electronic tags is two, and the electronic tags include a first electronic tag 5 and a second electronic tag 6. The first electronic tag 5 is arranged above the second electronic tag 6, and the bottom of the first electronic tag 5 and the top of the second electronic tag 6 are in contact. Taking two electronic tags as an example, when there is no water leakage at the detection point, the first electronic tag 5 is placed in the metal box 4, and the second electronic tag 6 is placed outside the metal box 4; when there is water leakage at the detection point, the second electronic tag 6 is placed in the metal box 4, and the first electronic tag 5 is placed outside the metal box 4. Radio frequency technology is a non-contact automatic identification technology. When this embodiment is used, the radio frequency reader 2 can read the data on the first electronic tag 5 and the second electronic tag 6 in each passive water sensitive detector 3. When the first electronic tag 5 or the second electronic tag 6 is placed in the metal box 4, the signal of the radio frequency reader 2 will be shielded by the metal box 4, the first electronic tag 5 or the second electronic tag 6 cannot receive the radio frequency signal, and the radio frequency reader 2 cannot get a response. Therefore, in this embodiment, after the first electronic tag 5 and the second electronic tag 6 are connected in series, when the passive water-sensitive detector 3 is not in contact with water, the wireless radio frequency reader 2 can only read the data of the second electronic tag 6. When the passive water-sensitive detector 3 is in contact with water, the second electronic tag 6 pushes the first electronic tag 5 out of the metal box 4, and the wireless radio frequency reader 2 can only read the data of the first electronic tag 5. The control center 1 determines whether the specific location of the passive water-sensitive detector 3 is in contact with water based on the data received from different tags. During the specific construction, multiple passive water-sensitive detectors 3 can be distributed in an array according to the specifications of 1m×1m. When a leak occurs at a certain point in the waterproof layer of the building roof, it will spread to its adjacent position, causing the nearby passive water-sensitive detectors 3 to change. In this way, the leaking location can be found without damaging the roof, making it convenient for maintenance.

[0030] In one embodiment of the present invention, the passive water-sensitive detector 3 also includes a first box body 7, a second box body 8 and a water-elongated material 9; the first box body 7 includes a first plastic box 10, a second plastic box 11 and the metal box 4; the first plastic box 10, the metal box 4, the second plastic box 11 and the second box body 8 are connected in sequence from top to bottom; the water-elongated material 9 is arranged between the first box body 7 and the second box body 8; one end of the water-elongated material 9 is abutted against the second box body 8, and the other end is detachably connected to the bottom of the second electronic tag 6; when there is no water leakage at the detection point, the first electronic tag 5 is placed in the metal box 4, and the second electronic tag 6 is placed in the second plastic box 11; when there is water leakage at the detection point, the second plastic box 11 is placed in the metal box 4, and the first electronic tag 5 is placed in the first plastic box 10.

[0031] Furthermore, the second box body 8 is a porous water-permeable plastic container. Preferably, the first electronic tag 5 and the second electronic tag 6 are both passive electronic tags.

[0032] In a preferred embodiment, the leak detection system further includes a supporting assembly, and the passive water-sensitive detector 3 is detachably connected to the lower side of the waterproof layer via the supporting assembly.

[0033] Furthermore, the support assembly includes a main support member and a secondary support member; the main support member is fixed on the waterproof layer; the secondary support member is fixed on the second box body 8; the passive water-sensitive detector 3 is fixed to the lower side of the waterproof layer after the main support member and the secondary support member are mutually locked. The specific locking structure can be adjusted according to the specific situation. This is a technical solution that people in this field are familiar with, and it will not be repeated again. The use of the technical solution provided by the present invention can effectively reduce the initial investment, and can detect the leakage point in time. In addition, it can also achieve accurate search and maintenance; it can also reduce interference, and the detector has a long life, high durability, and low maintenance cost.

[0034] like Figures 1 to 4 As shown, Figure 1 Shown is a schematic structural diagram of the waterproof layer leakage detection system based on passive water-sensitive detection in the present invention. Figure 2 Display as Figure 1 Schematic diagram of the structure of the passive water-sensitive detector 3 when it is not in contact with water. Figure 3 Display as Figure 1 Schematic diagram of the structure of the passive water sensitive detector 3 when it encounters water. Figure 4 The block diagram of the waterproof layer leakage detection method based on passive water-sensitive detection in the present invention is shown. The present invention also provides a waterproof layer leakage detection method based on passive water-sensitive detection, using the above-mentioned waterproof layer leakage detection system based on passive water-sensitive detection, the waterproof layer leakage detection method based on passive water-sensitive detection includes the following steps: S1, during the construction of the building roof, when laying the waterproof layer, evenly stick multiple passive water-sensitive detectors 3 on the lower side of the waterproof layer; S2, during the detection, read the multiple passive water-sensitive detectors 3 through the wireless radio frequency reader 2, and judge whether the positions of the multiple passive water-sensitive detectors 3 have changed; if so, it is determined that the position of the changed position is leaking; if not, it is determined that the unchanged position is not leaking. In one embodiment, the step S2 also includes the following steps: S21, obtaining the signal of the passive water-sensitive detector 3; S22, determining whether it is the signal of the second electronic tag 6; if so, it is considered that there is no water leakage at the location of the passive water-sensitive detector 3; if not, entering step S23; S24, determining whether it is the signal of the first electronic tag 5; if so, it is considered that there is a water leakage at the location of the passive water-sensitive detector 3; if not, returning to step S21 for re-detection.

[0035] Radio frequency technology is a non-contact automatic identification technology. When this embodiment is used, the radio frequency reader 2 can read the data on the first electronic tag 5 and the second electronic tag 6 in each passive water-sensitive detector 3. When the first electronic tag 5 or the second electronic tag 6 is placed in the metal box 4, the signal of the radio frequency reader 2 will be shielded by the metal box 4, the first electronic tag 5 or the second electronic tag 6 cannot receive the radio frequency signal, and the radio frequency reader 2 cannot get a response. Therefore, in this embodiment, after the first electronic tag 5 and the second electronic tag 6 are connected in series, when the passive water-sensitive detector 3 is not in contact with water, the radio frequency reader 2 can only read the data of the second electronic tag 6. When the passive water-sensitive detector 3 is in contact with water, the second electronic tag 6 pushes the first electronic tag 5 out of the metal box 4, and the radio frequency reader 2 can only read the data of the first electronic tag 5. The control center 1 determines whether the specific location of the passive water-sensitive detector 3 is in contact with water based on the data received from different tags. During the specific construction, multiple passive water-sensitive detectors 3 can be arrayed according to the specifications of 1m×1m. When a leak occurs at a certain point in the waterproof layer of a building roof, the leak will spread to its adjacent position, causing the nearby passive water-sensitive detector 3 to change, so that the leak location can be found without damaging the roof, making it convenient for repair. The use of the technical solution provided by the present invention can effectively reduce the initial investment, and the leak point can be detected in time. In addition, accurate search and repair can be achieved; it can also reduce interference, and the detector has a long life, high durability, and low maintenance cost. The above-described embodiments are only specific implementation methods of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications, replacements and improvements within the technical scope disclosed by the present invention, and these modifications, replacements and improvements should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A waterproof layer leakage detection system based on passive water sensitive detection, characterized in that: It comprises a control center (1), a wireless radio frequency reader (2), a plurality of passive water-sensitive detectors (3) and a supporting component; The wireless radio frequency reader (2) is connected to the control center (1) via a signal line and a power line respectively; a plurality of passive water-sensitive detectors (3) are fixed on the lower side of the waterproof layer in an array distribution; the passive water-sensitive detectors (3) are detachably connected to the lower side of the waterproof layer via the support assembly; The passive water-sensitive detector (3) comprises a first box body (7), a second box body (8), a water-elongated material (9) and two electronic tags. The first box body (7) comprises a first plastic box (10), a second plastic box (11) and a metal box (4). The first plastic box (10), the metal box (4), the second plastic box (11) and the second box body (8) are connected in sequence from top to bottom. The water-elongated material (9) is arranged between the first box body (7) and the second box body (8). The two electronic tags comprise a first electronic tag (5) and a second electronic tag (6). The two electronic tags are stacked and connected in sequence from top to bottom. The first electronic tag (5) is arranged above the second electronic tag (6), and the bottom of the first electronic tag (5) is in contact with the top of the second electronic tag (6). One end of the water-elongated material (9) is in contact with the second box body (8), and the other end is detachably connected to the bottom of the second electronic tag (6). The passive water-sensitive detector (3) has a water seepage structure at the bottom. When there is no water leakage at the detection point, the electronic tag at the top is placed in the metal box (4), and the second electronic tag (6) is placed in the second plastic box (11). When there is water leakage at the detection point, the electronic tag at the bottom is placed in the metal box (4), and the first electronic tag (5) is placed in the first plastic box (10).

2. The waterproof layer leakage detection system based on passive water sensitive detection according to claim 1 is characterized in that: The second box body (8) is a porous water-permeable plastic container.

3. The waterproof layer leakage detection system based on passive water sensitive detection according to claim 1 is characterized in that: Both of the electronic tags are passive electronic tags.

4. The waterproof layer leakage detection system based on passive water sensitive detection according to claim 1 is characterized in that: The support assembly comprises a main support member and a secondary support member; the main support member is fixed on the waterproof layer; the secondary support member is fixed on the second box body (8); after the main support member and the secondary support member are mutually engaged, the passive water-sensitive detector (3) is fixed on the lower side of the waterproof layer.

5. A waterproof layer leakage detection method based on passive water sensitive detection, characterized in that: Using the waterproof layer leakage detection system based on passive water sensitive detection as described in any one of claims 1 to 4, the waterproof layer leakage detection method based on passive water sensitive detection comprises the steps of: S1. During the construction of the building roof, when laying the waterproof layer, a plurality of passive water-sensitive detectors (3) are evenly adhered to the lower side of the waterproof layer; S2. During detection, the wireless radio frequency reader (2) reads the plurality of passive water-sensitive detectors (3) to determine whether the positions of the plurality of passive water-sensitive detectors (3) have changed; if so, it is determined that the position where the change has occurred is leaking; if not, it is determined that the position where the change has not occurred is not leaking.

6. The waterproof layer leakage detection method based on passive water sensitive detection according to claim 5 is characterized in that: The step S2 further comprises the steps of: S21, obtaining a signal from the passive water-sensitive detector (3); S22, determining whether it is a signal from the second electronic tag (6); if so, it is considered that there is no water leakage at the location of the passive water-sensitive detector (3); S23, determining whether it is a signal from the first electronic tag (5); if so, it is considered that there is a water leak at the location of the passive water-sensitive detector (3).

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