CN114112241B - Floor heating pipeline leakage detection device and method - Google Patents
Floor heating pipeline leakage detection device and method Download PDFInfo
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- CN114112241B CN114112241B CN202111414778.3A CN202111414778A CN114112241B CN 114112241 B CN114112241 B CN 114112241B CN 202111414778 A CN202111414778 A CN 202111414778A CN 114112241 B CN114112241 B CN 114112241B
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- 238000004891 communication Methods 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 16
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 229910052742 iron Inorganic materials 0.000 claims description 30
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- 230000007774 longterm Effects 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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Abstract
The invention discloses a device and a method for detecting leakage of a floor heating pipeline, wherein the device comprises a magnetic detection ball arranged in the floor heating pipeline to be detected, an air pump mechanism for inflating the floor heating pipeline to be detected and a monitoring module for monitoring the magnetic detection ball and the air pump mechanism, the magnetic detection ball comprises a first wear-resistant rubber ball body and a magnetic ball embedded in the first wear-resistant rubber ball body, the monitoring module comprises a monitoring box, a main controller and a main wireless communication module, and a magnetic field detector, a display screen is arranged on the monitoring box, and the display screen is controlled by the main controller; the method comprises the following steps: 1. cleaning and peeping the floor heating pipeline; 2. penetrating the magnetic detection ball; 3. detecting leakage of a ground heating pipeline; 4. and acquiring the leakage position of the ground heating pipeline. The magnetic detection ball is matched with the magnetic field detector to detect the leakage position of the ground heating pipeline, so that the application range is increased, and the accuracy of leakage detection is improved.
Description
Technical Field
The invention belongs to the technical field of leakage detection of building floor heating pipelines, and particularly relates to a device and a method for detecting leakage of a floor heating pipeline.
Background
The floor heating radiating is the most comfortable heating system at present from bottom to top. The floor heating pipeline commonly used in the floor heating system is a PERT pipe (heat-resistant polyethylene pipe), is a medium-density polyethylene material with relatively stable mechanical properties, and has excellent toughness, stress cracking resistance, low-temperature impact resistance, long-term water pressure resistance and the like, so that the floor heating pipeline is not easy to damage. However, in the actual use process, the leakage phenomenon of the floor heating pipe can be caused by the conditions of local flaw of the pipe quality, too small bending radius of paving construction, local impact on the ground, ageing of materials and the like, so that the leakage of the floor heating system needs to be detected.
At present, the detection method of the leakage point of the floor heating pipe is mostly a naked eye observation method, a root-by-root pressing method, a detection method by means of a thermal infrared imager and a noise detection method. The visual observation method is to observe the water spot areas on the upper floor and the lower roof, to open the tiles in the areas, to shave the cement layer, and to find the leakage point of the floor heating pipe. The method can not accurately judge the position of the leakage point, and the area of the chiseled ground is large; the root-by-root pressurizing method is to measure the pressurizing test of each path of the ground heating pipe and count the change of the internal pressure of the ground heating pipe in unit time so as to judge whether the pipe has leakage phenomenon or not. The method is simple and convenient, but has the defects that only the leakage phenomenon of the pipe in which path can be judged, and the leakage position can not be accurately determined; the infrared thermal imager detection method is to inject hot water into each path of floor heating pipeline, the surface temperature gradually rises along with the time extension, the temperature of the pipeline leakage part can rise very high to form a peak value, and the peak value is far higher than the temperature value of other parts of the pipeline. The infrared thermal imager is connected with the electronic equipment and then is scanned and detected close to the ground, and an area which is higher in imaging display temperature than other places and is in an aggregation state can be a leakage point. The method is convenient to use in a heating period, but is difficult in a non-heating period; the noise detection method is that when the local heating pipeline leaks, water overflows under pressure to generate noise, the noise can spread to two sides along the pipeline or spread to the ground along a medium, and the leakage detection instrument judges the accurate position of the leakage point by picking up the leaked sound and converting the leaked sound into an electric signal, amplifying the electric signal correspondingly and performing digital filtering treatment. This method has a good effect on obvious pipe leakage, but cannot be applied to occasions with small leakage or large environmental noise.
Therefore, the device and the method for detecting the leakage of the ground heating pipeline are lacking at present, the leakage detection of the ground heating pipeline is realized through the magnetic detection ball, the magnetic detection ball is matched with the magnetic field detector to detect the leakage position of the ground heating pipeline, the application range is improved, and the accuracy of the leakage detection is improved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the ground heating pipeline leakage detection device aiming at the defects in the prior art, the design is reasonable, the detection is convenient and fast, the ground heating pipeline leakage detection is realized through the magnetic detection ball, the magnetic detection ball is matched with the magnetic field detector to detect the leakage position of the ground heating pipeline, the application range is improved, and the accuracy of the leakage detection is improved.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a ground heating pipeline seepage detection device which characterized in that: the system comprises a magnetic detection ball arranged in a floor heating pipeline to be detected, an air pump mechanism for inflating the floor heating pipeline to be detected and a monitoring module for monitoring the magnetic detection ball and the air pump mechanism;
the magnetic detection ball comprises a first wear-resistant rubber ball body and a magnetic ball embedded in the first wear-resistant rubber ball body;
the monitoring module comprises a monitoring box, a main controller arranged in the monitoring box, a main wireless communication module connected with the main controller, and a magnetic field detector connected with the main controller and matched with the magnetic ball, wherein a display screen is arranged on the monitoring box and controlled by the main controller.
Foretell a ground heating coil leakage detection device, its characterized in that: the air pump mechanism comprises a manual air pump and an air charging pipe connected between the manual air pump and the water inlet end of the floor heating pipeline to be detected, a pressure sensor and a valve are arranged on the air charging pipe, the valve is controlled by a main controller, and the pressure sensor is connected with the main controller.
Foretell a ground heating coil leakage detection device, its characterized in that: one end of the air charging pipe is connected with the manual air pump, the other end of the air charging pipe is provided with an air charging connector, and the air charging connector is detachably and hermetically connected with the water inlet end of the floor heating pipeline to be detected.
Foretell a ground heating coil leakage detection device, its characterized in that: still include peeping ball, peeping ball includes the wear-resisting rubber spheroid of second, inlays to be established casing in the wear-resisting rubber spheroid of second and set up from the controller in the casing, and with from the wireless communication module that the controller meets, the wear-resisting rubber spheroid surface of second inlays and is equipped with camera and LED light filling lamp, the camera with meet from the controller, the LED light filling lamp is controlled by from the controller, from wireless communication module with main wireless communication module wireless data communication.
Foretell a ground heating coil leakage detection device, its characterized in that: the outer diameter of the first wear-resistant rubber ball body is 1.1-1.2 times of the inner diameter of the floor heating pipeline to be detected, and the outer diameter of the second wear-resistant rubber ball body is smaller than the inner diameter of the floor heating pipeline to be detected.
Meanwhile, the invention also discloses a method for detecting leakage of the floor heating pipeline, which is simple in steps, reasonable in design and good in using effect, and is characterized by comprising the following steps:
step one, cleaning and peeping a floor heating pipeline:
step 101, cleaning a floor heating pipeline to be detected;
step 102, penetrating a peeping ball into a floor heating pipeline to be detected for observation, so that the cleaning of the floor heating pipeline to be detected meets the leakage detection requirement of the floor heating pipeline;
step two, penetrating the magnetic detection ball:
step 201, fixedly arranging a glass fiber rope on a magnetic detection ball; one end of the glass fiber rope is fixedly connected with the magnetic detection ball;
step 202, penetrating an iron wire lead into the water inlet end of the floor heating pipeline to be detected until one end of the iron wire lead extends out of the water return end of the floor heating pipeline to be detected, and connecting the other end of the iron wire lead extending out of the water inlet end of the floor heating pipeline to be detected with the other end of the glass fiber rope;
step 203, stretching one end of the iron wire lead out of the backwater end of the floor heating pipeline to be detected so that the other end of the iron wire lead extrudes the magnetic detection ball through the glass fiber rope to be pulled into the floor heating pipeline to be detected;
step three, detection of leakage of a floor heating pipeline:
step 301, connecting one end of an air charging pipe with a manual air pump, arranging an air charging joint at the other end of the air charging pipe, and sealing and connecting the air charging joint with a water inlet end of a floor heating pipeline to be detected;
step 302, when the magnetic detection ball moves for the first time along the floor heating pipeline to be detected to reach a preset first detection distance, detecting leakage of a first pipeline section of the floor heating pipeline to be detected, wherein the specific process is as follows:
step 3021, a main controller controls a valve to be opened, and a manual air pump is operated to be a first pipeline between a water inlet end of a floor heating pipeline to be detected and the floor heating pipeline to be detected through an air charging pipeThe section is inflated until the pressure in the first pipeline section detected by the pressure sensor is stable and unchanged, the pressure sensor detects the first pressure and is recorded as P 1,0 ；
Step 3022, operating a manual air pump to stop inflating, closing a valve, and keeping the pressure and standing for 10-20 min;
step 3023, in the process of maintaining pressure and standing after the first pipeline section is inflated, the pressure sensor detects the pressure in the first pipeline section in real time, and the pressure detected by the pressure sensor at the ith sampling time is recorded as P 1,i When 0.99P 1,0 ＜P 1,i ≤P 1,0 Indicating that no leak is detected by the first pipe segment inflation, step 303 is performed; otherwise, indicating that the first pipeline section has leakage, and executing the fourth step; wherein i is a positive integer;
step 303, when the magnetic detection ball moves along the floor heating pipeline to be detected for the second time to reach a preset second detection distance, detecting leakage of a second pipeline section of the floor heating pipeline to be detected for the second time, wherein the specific process is as follows:
step 3031, the main controller controls the valve to open, and the manual air pump is operated to inflate the first pipeline section and the second pipeline section between the water inlet end of the floor heating pipeline to be detected and the floor heating pipeline to be detected through the inflation pipe until the pressure in the first pipeline section and the second pipeline section detected by the pressure sensor is stable and unchanged, and the pressure sensor detects the second pressure and records the second pressure as P 2,0 ；
Step 3032, the manual air pump is operated to stop inflating, the valve is closed, and the pressure is maintained and kept stand for 10-20 min;
step 3033, in the process of maintaining pressure and standing after the first pipeline section and the second pipeline section are inflated, the pressure sensor detects the pressures in the first pipeline section and the first pipeline section in real time, and the pressure detected by the pressure sensor at the ith sampling moment is recorded as P 2,i When 0.99P 2,0 ＜P 2,i ≤P 2,0 Indicating that the second pipe segment inflation detects that no leak exists, step 304 is performed; otherwise, indicating that the second pipeline section has leakage, and executing the fourth step; wherein i is a positive integer;
step 304, detecting leakage of a jth pipeline section of the jth moving of the floor heating pipeline to be detected when the jth moving of the magnetic detection ball along the floor heating pipeline to be detected reaches a preset jth detection distance according to the method in step 303 for a plurality of times, and executing step 305 when the jth pipeline section is inflated and detected to have no leakage; otherwise, indicating that leakage exists in the j-th pipeline section, and executing the fourth step; wherein i is a positive integer;
step 305, moving the magnetic detection ball along the j+1th time of the floor heating pipeline to be detected until the magnetic detection ball moves to the water return end of the floor heating pipeline to be detected; wherein j is a positive integer, and j is more than or equal to 1;
step four, acquiring leakage positions of the ground heating pipelines:
when leakage exists in the j-th pipeline section, a detection probe in the magnetic field detector moves along the ground where the ground heating pipeline to be detected is located, the detection probe in the magnetic field detector detects the magnetic detection ball and sends the detected magnetic field intensity to the main controller, when the magnetic field intensity detected by the magnetic field detector is maximum, the detection probe in the magnetic field detector detects the magnetic detection ball, and the current position of the magnetic field detector is the position where the magnetic detection ball is located, so that the position where leakage exists in the j-th pipeline section is obtained.
The method is characterized in that: step one, penetrating a peeping ball into a floor heating pipeline to be detected for observation so that the cleaning of the floor heating pipeline to be detected meets the leakage detection requirement of the floor heating pipeline, and the specific process is as follows:
102, penetrating an iron wire lead into the water inlet end of the floor heating pipeline to be detected until one end of the iron wire lead extends out of the water return end of the floor heating pipeline to be detected, and connecting the other end of the iron wire lead extending out of the water inlet end of the floor heating pipeline to be detected with a peeping ball;
step 103, pulling one end of the iron wire lead extending out of the backwater end of the floor heating pipeline to be detected so as to enable the peeping ball at the other end of the iron wire lead to move along the floor heating pipeline to be detected;
104, in the process that the peeping ball moves along the floor heating pipeline to be detected, the camera in the peeping ball collects images in the floor heating pipeline to be detected, the detected images in the pipeline are sent to the slave controller, the slave controller sends out the images through the slave wireless communication module, and the master controller receives the images in the pipeline through the master wireless communication module until the peeping ball moves to the backwater end of the floor heating pipeline to be detected;
step 105, the main controller displays the received pipeline internal image through the display screen, so that the pipeline internal image can be conveniently observed, and the cleaning of the floor heating pipeline to be detected can meet the leakage detection requirement of the floor heating pipeline.
Compared with the prior art, the invention has the following advantages:
1. the buried thermal pipeline leakage detection device is simple in structure, reasonable in design and convenient in detection process.
2. The magnetic detection ball comprises a first wear-resistant rubber ball body and a magnetic ball embedded in the first wear-resistant rubber ball body, and the first wear-resistant rubber ball body is arranged, so that when the magnetic detection ball penetrates into a floor heating pipe to be detected, the inner side wall of the floor heating pipe to be detected elastically extrudes the first wear-resistant rubber ball body, so that the inner side wall of the floor heating pipe to be detected is in sealed contact with the first wear-resistant rubber ball body, and the air inflation detection of a pipe section between the water inlet end of the floor heating pipe to be detected and the floor heating pipe to be detected is facilitated; the magnetic ball is arranged, when leakage exists in a certain pipeline section, the detection probe in the magnetic field detector detects the current position of the magnetic detection ball, and when the magnetic field intensity detected by the magnetic field detector is maximum, the detection probe in the magnetic field detector detects the magnetic detection ball, and the current position of the magnetic field detector is the position of the magnetic detection ball, so that the position of the pipeline section with leakage is obtained.
3. The invention provides an air pump mechanism, which is used for connecting one end of an air tube with a manual air pump, the other end of the air tube is provided with an air inflation joint, the air inflation joint is connected with the water inlet end of a floor heating pipeline to be detected, and for carrying out air inflation pressure maintaining detection on a pipeline section between the water inlet end of the floor heating pipeline to be detected and the floor heating pipeline to be detected, when the pressure change in the pipeline is tiny, the air inflation detection of the pipeline section is indicated that no leakage exists; otherwise, the pipe section is leaky.
4. The method for detecting the leakage of the floor heating pipeline has the advantages of simple steps, convenient implementation and simple operation, realizes the detection of the leakage of the floor heating pipeline through the magnetic detection ball, detects the leakage position of the floor heating pipeline by the magnetic detection ball in combination with the magnetic field detector, and improves the accuracy of the leakage detection.
5. The method for detecting the leakage of the floor heating pipeline is simple and convenient to operate and good in using effect, firstly, the floor heating pipeline is cleared and peeped, secondly, the magnetic detection ball is penetrated, secondly, the leakage of the floor heating pipeline is detected, and finally, when the leakage exists in the j-th pipeline section, the leakage position of the floor heating pipeline is detected and obtained according to the magnetic field detector.
In conclusion, the invention has reasonable design and convenient detection, realizes the leakage detection of the ground heating pipeline through the magnetic detection ball, and the magnetic detection ball is matched with the magnetic field detector to detect the leakage position of the ground heating pipeline, thereby improving the application range and the accuracy of the leakage detection.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural view of the ground heating pipeline leakage detection device of the present invention.
Fig. 2 is a schematic structural view of a magnetic detection ball of the leakage detection device for a ground heating pipeline.
Fig. 3 is a schematic view of the structure of the floor heating pipe and the peeping ball to be detected.
Fig. 4 is a schematic view of the structure of the peeping ball according to the present invention.
Fig. 5 is a schematic block diagram of a ground heating pipeline leak detection apparatus of the present invention.
Fig. 6 is a flow chart of the method for detecting leakage of a heating pipeline according to the invention.
Reference numerals illustrate:
1-glass fiber ropes; 2-a floor heating pipeline to be detected; 2-1 to the backwater end;
2-water inlet end; 3-peeping the ball; 3-1-a second wear-resistant rubber sphere;
3-2-a shell; 3-slave controller;
3-4-cameras; 3-5-LED light supplementing lamp; 3-6—a slave wireless communication module;
5-a magnetic detection ball; 5-1-a first wear-resistant rubber sphere;
5-2-magnetic ball; 9-a magnetic field detector; 10-a display screen;
11-a monitoring box; 11-1-master; 11-2-a primary wireless communication module;
12-a manual air pump; 13, an inflation tube; 14-an inflation joint;
16-a pressure sensor; 17-valve.
Detailed Description
The ground heating pipeline leakage detection device comprises a magnetic detection ball 5 arranged in a ground heating pipeline 2 to be detected, an air pump mechanism for inflating the ground heating pipeline 2 to be detected and a monitoring module for monitoring the magnetic detection ball 5 and the air pump mechanism, wherein the magnetic detection ball 5 is arranged on the ground heating pipeline 2 to be detected;
the magnetic detection ball 5 comprises a first wear-resistant rubber ball 5-1 and a magnetic ball 5-2 embedded in the first wear-resistant rubber ball 5-1;
the monitoring module comprises a monitoring box 11, a main controller 11-1 arranged in the monitoring box 11, a main wireless communication module 11-2 connected with the main controller 11-1, and a magnetic field detector 9 connected with the main controller 11-1 and matched with the magnetic ball 5-2, wherein a display screen 10 is arranged on the monitoring box 11, and the display screen 10 is controlled by the main controller 11-1.
In this embodiment, the air pump mechanism includes a manual air pump 12 and an air inflation tube 13 connected between the manual air pump 12 and the water inlet end of the ground heating pipeline 2 to be detected, a pressure sensor 16 and a valve 17 are disposed on the air inflation tube 13, the valve 17 is controlled by the main controller 11-1, and the pressure sensor 16 is connected with the main controller 11-1.
In this embodiment, one end of the inflation tube 13 is connected with the manual air pump 12, and the other end of the inflation tube 13 is provided with an inflation connector 14, and the inflation connector 14 is detachably and hermetically connected with the water inlet end of the floor heating pipeline 2 to be detected.
In this embodiment, the peeping ball 3 further comprises a peeping ball 3, the peeping ball 3 comprises a second wear-resistant rubber ball body 3-1, a shell 3-2 embedded in the second wear-resistant rubber ball body 3-1, a slave controller 3-3 arranged in the shell 3-2, and a slave wireless communication module 3-6 connected with the slave controller 3-3, a camera 3-4 and an LED light supplementing lamp 3-5 are embedded on the surface of the second wear-resistant rubber ball body 3-1, the camera 3-4 is connected with the slave controller 3-3, the LED light supplementing lamp 3-5 is controlled by the slave controller 3-3, and the slave wireless communication module 3-6 is in wireless data communication with the master wireless communication module 11-2.
In this embodiment, the outer diameter of the first wear-resistant rubber ball 5-1 is 1.1-1.2 times of the inner diameter of the ground heating pipeline 2 to be detected, and the outer diameter of the second wear-resistant rubber ball 3-1 is smaller than the inner diameter of the ground heating pipeline 2 to be detected.
In the embodiment, the first wear-resistant rubber ball 5-1 is provided with elasticity, and the outer diameter of the first wear-resistant rubber ball 5-1 is 1.1-1.2 times of the inner diameter of the floor heating pipeline 2 to be detected, so that when the magnetic detection ball penetrates into the floor heating pipeline to be detected, the inner side wall of the floor heating pipeline to be detected elastically extrudes the first wear-resistant rubber ball, so that the inner side wall of the floor heating pipeline 2 to be detected is in sealing contact with the first wear-resistant rubber ball 5-1, and the air inflation detection of a pipeline section between the water inlet end of the floor heating pipeline to be detected and the floor heating pipeline to be detected is facilitated; the outer diameter of the second wear-resistant rubber ball 3-1 is smaller than the inner diameter of the floor heating pipeline 2 to be detected, so that the peeping ball 3 can conveniently move along the floor heating pipeline 2 to be detected and protect the camera 3-4, and damage to the camera 3-4 caused by the inner side wall of the floor heating pipeline 2 to be detected is avoided.
In the embodiment, the LED light supplementing lamp 3-5 is arranged to assist the camera 3-4 in supplementing light, so that the device is effectively suitable for the floor heating pipeline 2 to be detected, and the camera 3-4 is convenient to collect images inside the pipeline.
In this embodiment, the magnetic field detector 9 is connected with the master controller 11-1 through an RS232 serial port.
The ground heating pipeline leakage detection method as shown in fig. 6 comprises the following steps:
step one, cleaning and peeping a floor heating pipeline:
step 101, cleaning a floor heating pipeline 2 to be detected;
step 102, penetrating a peeping ball 3 into the ground heating pipeline 2 to be detected for observation, so that the cleaning of the ground heating pipeline 2 to be detected meets the leakage detection requirement of the ground heating pipeline;
step two, penetrating the magnetic detection ball:
step 201, fixedly arranging a glass fiber rope 1 on a magnetic detection ball 5; wherein one end of the glass fiber rope 1 is fixedly connected with the magnetic detection ball 5;
step 202, penetrating an iron wire lead into a water inlet end 2-2 of a floor heating pipeline 2 to be detected until one end of the iron wire lead extends out of a water return end 2-1 of the floor heating pipeline 2 to be detected, and connecting the other end of the iron wire lead extending out of the water inlet end 2-2 of the floor heating pipeline 2 to be detected with the other end of the glass fiber rope 1;
step 203, stretching an iron wire lead out of one end of a backwater end 2-1 of the floor heating pipeline 2 to be detected, and pulling the other end of the iron wire lead to squeeze and pull the magnetic detection ball 5 into the floor heating pipeline 2 to be detected through the glass fiber rope 1;
step three, detection of leakage of a floor heating pipeline:
step 301, connecting one end of an air charging pipe 13 with a manual air pump 12, arranging an air charging joint 14 at the other end of the air charging pipe 13, and sealing and connecting the air charging joint 14 with the water inlet end of the floor heating pipeline 2 to be detected;
step 302, when the magnetic detection ball 5 moves along the floor heating pipeline 2 to be detected for the first time to reach a preset first detection distance, detecting leakage of the first pipeline section of the floor heating pipeline 2 to be detected, wherein the specific process is as follows:
step 3021, the master controller 11-1 controls the valve 17 to open, and the manual air pump 12 is operated to inflate the first pipe section between the water inlet end of the floor heating pipe 2 to be detected and the floor heating pipe 2 to be detected through the inflation pipe 13 until the pressure in the first pipe section detected by the pressure sensor 16 is stable, the pressure sensor 16 detects the first pressure and records as P 1,0 ；
Step 3022, operating the manual air pump 12 to stop inflating, closing the valve 17, and keeping the pressure and standing for 10-20 min;
step 3023, in the process of maintaining pressure and standing after the first pipe section is inflated, the pressure sensor 16 detects the pressure in the first pipe section in real time, and the pressure detected by the pressure sensor 16 at the ith sampling time is denoted as P 1,i When 0.99P 1,0 ＜P 1,i ≤P 1,0 Indicating that no leak is detected by the first pipe segment inflation, step 303 is performed; otherwise, indicating that the first pipeline section has leakage, and executing the fourth step; wherein i is a positive integer;
step 303, when the magnetic detection ball 5 moves along the floor heating pipeline 2 to be detected for the second time to reach a preset second detection distance, detecting leakage of a second pipeline section of the floor heating pipeline 2 to be detected for the second time, wherein the specific process is as follows:
step 3031, the master controller 11-1 controls the valve 17 to open, and the manual air pump 12 is operated to inflate the first pipeline section and the second pipeline section between the water inlet end of the floor heating pipeline 2 to be detected and the floor heating pipeline 2 to be detected through the inflation pipe 13 until the pressure in the first pipeline section and the second pipeline section detected by the pressure sensor 16 is stable and unchanged, and the pressure sensor 16 detects the second pressure and records as P 2,0 ；
Step 3032, the manual air pump 12 is operated to stop inflating, the valve 17 is closed, and the pressure is maintained and kept stand for 10-20 min;
step 3033, in the process of maintaining pressure and standing after the first pipeline section and the second pipeline section are inflated, the pressure sensor 16 detects the pressures in the first pipeline section and the first pipeline section in real time, and the pressure detected by the pressure sensor 16 at the ith sampling time is recorded as P 2,i When 0.99P 2,0 ＜P 2,i ≤P 2,0 Indicating that the second pipe segment inflation detects that no leak exists, step 304 is performed; otherwise, indicating that the second pipeline section has leakage, and executing the fourth step; wherein i is a positive integer;
step 304, detecting leakage of the jth pipeline section of the jth moving ground heating pipeline 2 to be detected when the jth moving magnetic detection ball 5 reaches a preset jth detection distance along the jth moving ground heating pipeline 2 to be detected for a plurality of times according to the method in step 303, and executing step 305 when the leakage does not exist in the jth pipeline section inflation detection; otherwise, indicating that leakage exists in the j-th pipeline section, and executing the fourth step; wherein i is a positive integer;
step 305, moving the magnetic detection ball 5 along the j+1th time of the floor heating pipeline 2 to be detected until the magnetic detection ball 5 moves to the water return end 2-1 of the floor heating pipeline 2 to be detected; wherein j is a positive integer, and j is more than or equal to 1;
step four, acquiring leakage positions of the ground heating pipelines:
when leakage exists in the j-th pipeline section, the detection probe in the magnetic field detector 9 moves along the ground where the ground heating pipeline 2 to be detected is located, the detection probe in the magnetic field detector 9 detects the magnetic detection ball 5 and sends the detected magnetic field intensity to the main controller 11-1, when the magnetic field intensity detected by the magnetic field detector 9 is maximum, the detection probe in the magnetic field detector 9 detects the magnetic detection ball 5, and the current position of the magnetic field detector 9 is the position where the magnetic detection ball 5 is located, so that the j-th pipeline section leakage exists.
In the embodiment, in the first step, the peeping ball 3 is penetrated into the ground heating pipeline 2 to be detected for viewing, so that the cleaning of the ground heating pipeline 2 to be detected meets the leakage detection requirement of the ground heating pipeline, and the specific process is as follows:
step 102, penetrating an iron wire lead into a water inlet end 2-2 of a floor heating pipeline 2 to be detected until one end of the iron wire lead extends out of a water return end 2-1 of the floor heating pipeline 2 to be detected, and connecting the other end of the iron wire lead extending out of the water inlet end 2-2 of the floor heating pipeline 2 to be detected with a peeping ball 3;
step 103, stretching one end of the iron wire lead out of a water return end 2-1 of the floor heating pipeline 2 to be detected, so that a peeping ball 3 at the other end of the iron wire lead moves along the floor heating pipeline 2 to be detected;
104, in the process that the peeping ball 3 moves along the floor heating pipeline 2 to be detected, the camera 3-4 in the peeping ball 3 collects images of the interior of the floor heating pipeline 2 to be detected, the detected images of the interior of the pipeline are sent to the slave controller 3-3, the slave controller 3-3 sends out the images of the interior of the pipeline through the slave wireless communication module 3-6, and the master controller 11-1 receives the images of the interior of the pipeline through the master wireless communication module 11-2 until the peeping ball 3 moves to the water return end 2-1 of the floor heating pipeline 2 to be detected;
step 105, the main controller 11-1 displays the received pipeline internal image through the display screen 10, so as to be convenient for viewing the pipeline internal image, and the cleaning of the floor heating pipeline 2 to be detected meets the floor heating pipeline leakage detection requirement.
In this embodiment, it should be noted that, in the actual detection process, the preset first detection distance in step 302, the preset second detection distance in step 303, and the preset j detection distance in step 304 are all greater than zero, and may be specifically set according to the actual detection requirement.
In conclusion, the invention has reasonable design and convenient detection process, realizes the leakage detection of the ground heating pipeline through the magnetic detection ball, and the magnetic detection ball is matched with the magnetic field detector to detect the leakage position of the ground heating pipeline, so that the application range is improved, and the accuracy of the leakage detection is improved.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (6)
1. The device comprises a magnetic detection ball (5) arranged in a ground heating pipeline (2) to be detected, an air pump mechanism for inflating the ground heating pipeline (2) to be detected and a monitoring module for monitoring the magnetic detection ball (5) and the air pump mechanism;
the magnetic detection ball (5) comprises a first wear-resistant rubber ball body (5-1) and a magnetic ball (5-2) embedded in the first wear-resistant rubber ball body (5-1);
the monitoring module comprises a monitoring box (11), a main controller (11-1) arranged in the monitoring box (11), a main wireless communication module (11-2) connected with the main controller (11-1), and a magnetic field detector (9) connected with the main controller (11-1) and matched with a magnetic ball (5-2), wherein a display screen (10) is arranged on the monitoring box (11), and the display screen (10) is controlled by the main controller (11-1); the method is characterized in that:
the method comprises the following steps:
step one, cleaning and peeping a floor heating pipeline:
step 101, cleaning a floor heating pipeline (2) to be detected;
step 102, penetrating a peeping ball (3) into the ground heating pipeline (2) to be detected for observation, so that the cleaning of the ground heating pipeline (2) to be detected meets the leakage detection requirement of the ground heating pipeline;
step two, penetrating the magnetic detection ball:
step 201, fixedly arranging a glass fiber rope (1) on a magnetic detection ball (5); one end of the glass fiber rope (1) is fixedly connected with the magnetic detection ball (5);
step 202, penetrating an iron wire lead into a water inlet end (2-2) of a floor heating pipeline (2) to be detected until one end of the iron wire lead extends out of a water return end (2-1) of the floor heating pipeline (2) to be detected, and connecting the other end of the iron wire lead extending out of the water inlet end (2-2) of the floor heating pipeline (2) to be detected with the other end of the glass fiber rope (1);
step 203, stretching one end of the iron wire lead out of a water return end (2-1) of the floor heating pipeline (2) to be detected, so that the other end of the iron wire lead extrudes a magnetic detection ball (5) through a glass fiber rope (1) to be pulled into the floor heating pipeline (2) to be detected;
step three, detection of leakage of a floor heating pipeline:
step 301, connecting one end of an air charging pipe (13) with a manual air pump (12), arranging an air charging joint (14) at the other end of the air charging pipe (13), and sealing and connecting the air charging joint (14) with the water inlet end of a floor heating pipeline (2) to be detected;
step 302, when the magnetic detection ball (5) moves for the first time along the floor heating pipeline (2) to be detected to reach a preset first detection distance, detecting leakage of a first pipeline section of the floor heating pipeline (2) to be detected, wherein the specific process is as follows:
step 3021, a main controller (11-1) controls a valve (17) to be opened, and a manual air pump (12) is operated to inflate a first pipeline section between the water inlet end of the floor heating pipeline (2) to be detected and the floor heating pipeline (2) to be detected through an inflation pipe (13) until pressure is transmittedWhen the pressure in the first pipe section detected by the sensor (16) is stable, the pressure sensor (16) detects the first pressure and marks P 1,0 ；
Step 3022, operating a manual air pump (12) to stop inflating, closing a valve (17), and keeping the pressure and standing for 10-20 min;
step 3023, in the process of maintaining pressure and standing after the first pipeline section is inflated, the pressure sensor (16) detects the pressure in the first pipeline section in real time, and the pressure detected by the pressure sensor (16) at the ith sampling time is recorded as P 1,i When 0.99P 1,0 ＜P 1,i ≤P 1,0 Indicating that no leak is detected by the first pipe segment inflation, step 303 is performed; otherwise, indicating that the first pipeline section has leakage, and executing the fourth step; wherein i is a positive integer;
step 303, when the magnetic detection ball (5) moves along the floor heating pipeline (2) to be detected for the second time to reach a preset second detection distance, detecting leakage of a second pipeline section of the floor heating pipeline (2) to be detected for the second time, wherein the specific process is as follows:
step 3031, a main controller (11-1) controls a valve (17) to be opened, a manual air pump (12) is operated to inflate a first pipeline section and a second pipeline section between the water inlet end of the floor heating pipeline (2) to be detected and the floor heating pipeline (2) to be detected through an inflation pipe (13), until the pressure in the first pipeline section and the second pipeline section detected by a pressure sensor (16) is stable and unchanged, and the pressure sensor (16) detects the second pressure and records the second pressure as P 2,0 ；
Step 3032, the manual air pump (12) is operated to stop inflating, the valve (17) is closed, and the pressure is maintained and kept stand for 10-20 min;
step 3033, in the process of maintaining pressure and standing after the first pipeline section and the second pipeline section are inflated, the pressure sensor (16) detects the pressures in the first pipeline section and the first pipeline section in real time, and the pressure detected by the pressure sensor (16) at the ith sampling moment is recorded as P 2,i When 0.99P 2,0 ＜P 2,i ≤P 2,0 Indicating that the second pipe segment inflation detects that no leak exists, step 304 is performed; otherwise, indicating that the second pipeline section has leakage, and executing the fourth step; wherein i is a positive integer;
step 304, detecting leakage of a jth pipeline section of the jth moving ground heating pipeline (2) to be detected when the jth moving magnetic detection ball (5) moves along the jth moving ground heating pipeline (2) to be detected for a preset jth detection distance for a plurality of times according to the method in step 303, and executing step 305 when the jth pipeline section is inflated and detected that no leakage exists; otherwise, indicating that leakage exists in the j-th pipeline section, and executing the fourth step; wherein i is a positive integer;
step 305, moving the magnetic detection ball (5) along the j+1th time of the floor heating pipeline (2) to be detected until the magnetic detection ball (5) moves to the backwater end (2-1) of the floor heating pipeline (2) to be detected; wherein j is a positive integer, and j is more than or equal to 1;
step four, acquiring leakage positions of the ground heating pipelines:
when leakage exists in the j-th pipeline section, a detection probe in the magnetic field detector (9) moves along the ground where the ground heating pipeline (2) to be detected is located, the detection probe in the magnetic field detector (9) detects the magnetic detection ball (5) and sends the detected magnetic field intensity to the main controller (11-1), when the magnetic field intensity detected by the magnetic field detector (9) is maximum, the detection probe in the magnetic field detector (9) detects the magnetic detection ball (5), and the current position of the magnetic field detector (9) is the position where the magnetic detection ball (5) is located, so that the j-th pipeline section is provided with leakage.
2. A method of floor heating pipe leak detection as defined in claim 1, wherein: the air pump mechanism comprises a manual air pump (12) and an air charging pipe (13) connected between the manual air pump (12) and the water inlet end of the floor heating pipeline (2) to be detected, a pressure sensor (16) and a valve (17) are arranged on the air charging pipe (13), the valve (17) is controlled by a main controller (11-1), and the pressure sensor (16) is connected with the main controller (11-1).
3. A method of floor heating pipe leak detection as defined in claim 2, wherein: one end of the inflation tube (13) is connected with the manual air pump (12), the other end of the inflation tube (13) is provided with an inflation connector (14), and the inflation connector (14) is detachably and hermetically connected with the water inlet end of the floor heating pipeline (2) to be detected.
4. A method of floor heating pipe leak detection as defined in claim 1, wherein: still including peeping ball (3), peeping ball (3) include second wear-resisting rubber spheroid (3-1), inlay establish casing (3-2) in second wear-resisting rubber spheroid (3-1) and set up from controller (3-3) in casing (3-2), and with from wireless communication module (3-6) that slave controller (3-3) meets, camera (3-4) and LED light filling lamp (3-5) are inlayed on second wear-resisting rubber spheroid (3-1) surface, camera (3-4) with meet from controller (3-3), LED light filling lamp (3-5) are controlled by slave controller (3-3), from wireless communication module (3-6) with main wireless communication module (11-2) wireless data communication.
5. A method of floor heating pipe leak detection as defined in claim 4, wherein: the outer diameter of the first wear-resistant rubber ball body (5-1) is 1.1-1.2 times of the inner diameter of the ground heating pipeline (2) to be detected, and the outer diameter of the second wear-resistant rubber ball body (3-1) is smaller than the inner diameter of the ground heating pipeline (2) to be detected.
6. A method of floor heating pipe leak detection as defined in claim 1, wherein: in the first step, a peeping ball (3) is penetrated into a ground heating pipeline (2) to be detected for observation, so that the cleaning of the ground heating pipeline (2) to be detected meets the leakage detection requirement of the ground heating pipeline, and the specific process is as follows:
step 102, penetrating an iron wire lead into a water inlet end (2-2) of a floor heating pipeline (2) to be detected until one end of the iron wire lead extends out of a water return end (2-1) of the floor heating pipeline (2) to be detected, and connecting the other end of the iron wire lead extending out of the water inlet end (2-2) of the floor heating pipeline (2) to be detected with a peeping ball (3);
step 103, stretching one end of the iron wire lead out of a water return end (2-1) of the floor heating pipeline (2) to be detected, so that a peeping ball (3) at the other end of the iron wire lead moves along the floor heating pipeline (2) to be detected;
104, in the process that the peeping ball (3) moves along the floor heating pipeline (2) to be detected, the camera (3-4) in the peeping ball (3) collects images of the interior of the floor heating pipeline (2) to be detected, the detected images of the interior of the pipeline are sent to the slave controller (3-3), the slave controller (3-3) sends out the images through the slave wireless communication module (3-6), and the master controller (11-1) receives the images of the interior of the pipeline through the master wireless communication module (11-2) until the peeping ball (3) moves to the backwater end (2-1) of the floor heating pipeline (2) to be detected;
step 105, the main controller (11-1) displays the received pipeline internal image through the display screen (10), so that the pipeline internal image can be conveniently observed, and the cleaning of the floor heating pipeline (2) to be detected can meet the leakage detection requirement of the floor heating pipeline.
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