CN114088302B - Water leakage detection device and method for junction of cable tunnel and basement - Google Patents
Water leakage detection device and method for junction of cable tunnel and basement Download PDFInfo
- Publication number
- CN114088302B CN114088302B CN202111375538.7A CN202111375538A CN114088302B CN 114088302 B CN114088302 B CN 114088302B CN 202111375538 A CN202111375538 A CN 202111375538A CN 114088302 B CN114088302 B CN 114088302B
- Authority
- CN
- China
- Prior art keywords
- water
- water leakage
- sensor
- cable
- communication module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000007654 immersion Methods 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 35
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 230000000007 visual effect Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
Abstract
The invention relates to a water leakage detection device and method for a joint of a cable tunnel and a basement, and belongs to the technical field of water leakage detection. The technical scheme of the invention is as follows: the microwave radar sensor (6) is arranged towards the cable (2) through the sensor bracket (5), the water leakage condition along the cable (2) is monitored by emitting planar microwaves, meanwhile, the change of the liquid level of the accumulated water (10) in the cable tunnel is detected by emitting the planar microwaves to penetrate the wall (1), and the microwave radar sensor (6) is connected with the water leakage alarm module (9); the water collecting tank (7) is arranged at the bottom of the wall (1), the water immersion sensor (8) is arranged in the water collecting tank (7), the water immersion sensor (8) is provided with a detection probe, and the water immersion sensor (8) is connected with the water leakage alarm module (9). The beneficial effects of the invention are as follows: through the use of a microwave radar sensor and a water immersion sensor, the automatic detection and alarm of the water seepage condition and the position of the junction of the basement wall and the cable tunnel are realized.
Description
Technical Field
The invention relates to a water leakage detection device and method for a joint of a cable tunnel and a basement, and belongs to the technical field of water leakage detection.
Background
At present, most buildings such as office buildings and houses are provided with various electric equipment and pipelines in basements, and basement walls are directly connected with cable tunnels, so that electric equipment and underground cables are connected. Once water seepage and water leakage occur at the joint part of the basement wall body and the cable tunnel, water can directly enter the basement through the cable channel, so that water is accumulated on the ground of the basement, and the electrical equipment is failed, and the service life is reduced; meanwhile, the cable is often in a wet and immersed environment, so that the aging speed of the cable can be increased, and great potential safety hazards of electric leakage are generated. If the water seepage and water leakage problems are not treated in time, when the accumulated water reaches a certain degree, if the underground facilities are required to be overhauled and maintained, the water drainage operation is required to be performed first, a large amount of manpower, material resources and time are wasted, the overhauling progress is influenced, and the operation and maintenance cost is increased.
Disclosure of Invention
The invention aims to provide a water leakage detection device and method for the joint of a cable tunnel and a basement, which can realize automatic detection and alarm of the water leakage and the water leakage condition and the position of the joint of the basement wall and the cable tunnel by using a microwave radar sensor and a water immersion sensor, and effectively solve the problems in the prior art.
The technical scheme of the invention is as follows: the utility model provides a cable tunnel and basement junction leak detection device, includes sensor support, microwave radar sensor, water catch bowl, water logging sensor and leak the alarm module, the microwave radar sensor is arranged towards the cable through the sensor support, through sending out the plane microwave monitoring and have along the cable condition of leaking, simultaneously through sending out the plane microwave and penetrating the wall, detect the liquid level change of ponding in the cable tunnel, microwave radar sensor is connected with the alarm module that leaks; the water collecting tank is arranged at the bottom of the wall, the water immersion sensor is arranged in the water collecting tank, the water immersion sensor is provided with a detection probe, and the water immersion sensor is connected with the water leakage alarm module.
The detection probe of the water immersion sensor is of an adjustable structure, and the setting of the detection probe is matched with the detection alarm water level.
The water leakage alarm module comprises an ARM chip, an RS485 communication module, a GPS communication module, a data memory, a liquid crystal touch screen, a solid-state relay, an audible and visual alarm and a power module, wherein the RS485 communication module, the GPS communication module, the data memory and the liquid crystal touch screen are respectively connected with the ARM chip, the power module supplies power for the ARM chip, and the output end of the ARM chip is respectively connected with the solid-state relay and the audible and visual alarm; the microwave radar sensor and the water immersion sensor are respectively connected with the ARM chip through the RS485 communication module.
The water leakage detection method for the junction of the cable tunnel and the basement adopts the detection device and comprises the following steps: (1) the microwave radar sensor is arranged towards the cable through the sensor bracket, planar microwave is sent out to monitor whether water leakage occurs along the cable or not, meanwhile, the microwave radar sensor sends out planar microwave to penetrate through the wall, the change of the liquid level of accumulated water in the cable tunnel is detected, so that an operator can know the accumulated water condition of the cable tunnel in real time, when water leakage occurs along the cable, the microwave radar sensor sends out a water leakage alarm signal, and a detection result is transmitted to the water leakage alarm module through the RS485 communication module; (2) the water collecting tank collects water flowing down along the wall, the water logging sensor is arranged in the water collecting tank, the detection probe is adjusted to detect the alarm water level, when water leakage occurs and water is soaked in the detection probe, the water logging sensor sends out a water leakage alarm signal, and the detection result is transmitted to the water leakage alarm module through the RS485 communication module; (3) the water leakage alarm module receives data and water leakage alarm signals sent by the microwave radar sensor and the water immersion sensor through the RS485 communication module, judges which part of the wall surface of the cable through-wall pipe or the basement is leaked, displays the water leakage position through the liquid crystal touch screen, sends out an audible and visual alarm signal, and simultaneously sends out the water leakage alarm signal and position information to the remote monitoring platform through the GPS communication module.
The beneficial effects of the invention are as follows: through the use of a microwave radar sensor and a water immersion sensor, the automatic detection and alarm of the water seepage condition and the position of the junction of the basement wall and the cable tunnel are realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a block diagram of a water leakage alarm module according to the present invention;
in the figure: wall 1, cable 2, wall bushing 3, water droplet 4, sensor support 5, microwave radar sensor 6, water catch bowl 7, water logging sensor 8, leak alarm module 9, ponding 10, fire prevention putty 11, ARM chip 91, RS485 communication module 92, GPS communication module 93, data memory 94, liquid crystal touch screen 95, solid state relay 96, audible and visual alarm 97, power module 98.
Detailed Description
The following describes the technical scheme of the present invention in further detail by referring to the accompanying drawings and examples, which are preferred examples of the present invention. It should be understood that the described embodiments are merely some, but not all, embodiments of the present invention; it should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The water leakage detection device comprises a sensor bracket 5, a microwave radar sensor 6, a water collecting tank 7, a water immersion sensor 8 and a water leakage alarm module 9, wherein the microwave radar sensor 6 is arranged towards the cable 2 through the sensor bracket 5, the water leakage condition along the cable 2 is monitored by emitting planar microwaves, meanwhile, the water level change of accumulated water 10 in the cable tunnel is detected by emitting the planar microwaves to penetrate through the wall 1, and the microwave radar sensor 6 is connected with the water leakage alarm module 9; the water catch bowl 7 sets up in the bottom of wall 1, and water logging sensor 8 installs in water catch bowl 7, and water logging sensor 8 is equipped with the detection probe, and water logging sensor 8 is connected with water leakage alarm module 9.
The detection probe of the water immersion sensor 8 is of an adjustable structure, and the setting of the detection probe is matched with the detection alarm water level.
The water leakage alarm module 9 comprises an ARM chip 91, an RS485 communication module 92, a GPS communication module 93, a data memory 94, a liquid crystal touch screen 95, a solid-state relay 96, an audible and visual alarm 97 and a power module 98, wherein the RS485 communication module 92, the GPS communication module 93, the data memory 94 and the liquid crystal touch screen 95 are respectively connected with the ARM chip 91, the power module 98 supplies power to the ARM chip 91, and the output end of the ARM chip 91 is respectively connected with the solid-state relay 96 and the audible and visual alarm 97; the microwave radar sensor 6 and the water immersion sensor 8 are respectively connected with the ARM chip 91 through the RS485 communication module 92.
The water leakage detection method for the junction of the cable tunnel and the basement adopts the detection device and comprises the following steps: (1) the microwave radar sensor is arranged towards the cable through the sensor bracket, planar microwave is sent out to monitor whether water leakage occurs along the cable or not, meanwhile, the microwave radar sensor sends out planar microwave to penetrate through the wall, the change of the liquid level of accumulated water in the cable tunnel is detected, so that an operator can know the accumulated water condition of the cable tunnel in real time, when water leakage occurs along the cable, the microwave radar sensor sends out a water leakage alarm signal, and a detection result is transmitted to the water leakage alarm module through the RS485 communication module; (2) the water collecting tank collects water flowing down along the wall, the water logging sensor is arranged in the water collecting tank, the detection probe is adjusted to detect the alarm water level, when water leakage occurs and water is soaked in the detection probe, the water logging sensor sends out a water leakage alarm signal, and the detection result is transmitted to the water leakage alarm module through the RS485 communication module; (3) the water leakage alarm module receives data and water leakage alarm signals sent by the microwave radar sensor and the water immersion sensor through the RS485 communication module, judges which part of the wall surface of the cable through-wall pipe or the basement is leaked, displays the water leakage position through the liquid crystal touch screen, sends out an audible and visual alarm signal, and simultaneously sends out the water leakage alarm signal and position information to the remote monitoring platform through the GPS communication module.
In practical application, the cable 2 enters the basement of the transformer substation through the wall bushing 3 at the joint of the cable tunnel and the basement, and the gap between the wall bushing 3 and the cable 2 is blocked by the fireproof blocking material 11, so that water in the cable tunnel is prevented from entering the basement. If the plugging is not tight or the waterproof plugging material 11 ages, water can easily flow into the basement along the cable 2 or along the wall 1.
The microwave radar sensor 6 is a high-frequency microwave radar sensor, so that the movement of the water drop 4 can be accurately monitored, the microwave radar sensor 6 is arranged towards the cable 2 through the sensor bracket 5, and whether water leakage along the cable 2 occurs or not is monitored by emitting planar microwaves. When water leakage along the cable 2 is detected, the microwave radar sensor 6 sends out an alarm signal after detecting the water leakage, and the detection result is transmitted to the water leakage alarm module 9 through the RS485 communication module. Meanwhile, plane microwave energy emitted by the microwave radar sensor 6 penetrates through the wall 1, the change of the liquid level of the ponding 10 in the cable tunnel is detected, and operation and maintenance personnel can know the ponding condition of the cable tunnel in real time.
The water collecting tank 7 can collect water flowing down along the wall 1, the water logging sensor 8 is installed in the water collecting tank 7, the adjustable detection probe can be used for detecting and alarming, the water logging sensor 8 sends out a water logging alarm signal when water logging happens and water logging passes through the detection probe, and the water logging alarm module 9 is sent out through the RS485 communication module.
As shown in fig. 2, the water leakage alarm module 9 includes an ARM chip 91, an RS485 communication module 92, a GPS communication module 93, a data memory 94, a liquid crystal touch screen 95, a solid state relay 96, an audible and visual alarm 97, and a power module 98. The water leakage alarm module 9 receives the data and the alarm signals sent by the microwave radar sensor 6 and the water immersion sensor 8 through the RS485 communication module 91, can judge which part of the wall surface of the cable wall bushing or the basement is leaked, displays the water leakage position through the liquid crystal touch screen 95, sends out an audible and visual alarm signal, and simultaneously sends out the water leakage alarm signal and the position information to the remote monitoring platform through the GPS communication module 93.
Claims (4)
1. The utility model provides a cable tunnel links up department with basement detection device that leaks which characterized in that: the device comprises a sensor bracket (5), a microwave radar sensor (6), a water collecting tank (7), a water immersion sensor (8) and a water leakage alarm module (9), wherein the microwave radar sensor (6) is arranged towards a cable (2) through the sensor bracket (5), the water leakage condition along the cable (2) is monitored by emitting planar microwaves, meanwhile, the water level change of accumulated water (10) in a cable tunnel is detected by emitting the planar microwaves to penetrate a wall (1), and the microwave radar sensor (6) is connected with the water leakage alarm module (9); the water collecting tank (7) is arranged at the bottom of the wall (1), the water immersion sensor (8) is arranged in the water collecting tank (7), the water immersion sensor (8) is provided with a detection probe, and the water immersion sensor (8) is connected with the water leakage alarm module (9).
2. The water leakage detection device for junction of cable tunnel and basement as claimed in claim 1, wherein: the detection probe of the water immersion sensor (8) is of an adjustable structure, and the setting of the detection probe is matched with the detection alarm water level.
3. The water leakage detection device for junction of cable tunnel and basement as claimed in claim 1, wherein: the water leakage alarm module (9) comprises an ARM chip (91), an RS485 communication module (92), a GPS communication module (93), a data memory (94), a liquid crystal touch screen (95), a solid-state relay (96), an audible and visual alarm (97) and a power supply module (98), wherein the RS485 communication module (92), the GPS communication module (93), the data memory (94) and the liquid crystal touch screen (95) are respectively connected with the ARM chip (91), the power supply module (98) supplies power for the ARM chip (91), and the output end of the ARM chip (91) is respectively connected with the solid-state relay (96) and the audible and visual alarm (97); the microwave radar sensor (6) and the water immersion sensor (8) are respectively connected with the ARM chip (91) through the RS485 communication module (92).
4. A method for detecting water leakage at the joint of a cable tunnel and a basement, adopting the detection device defined in any one of claims 1 to 3, characterized by comprising the following steps: (1) the microwave radar sensor is arranged towards the cable through the sensor bracket, planar microwave is sent out to monitor whether water leakage occurs along the cable or not, meanwhile, the microwave radar sensor sends out planar microwave to penetrate through the wall, the change of the liquid level of accumulated water in the cable tunnel is detected, so that an operator can know the accumulated water condition of the cable tunnel in real time, when water leakage occurs along the cable, the microwave radar sensor sends out a water leakage alarm signal, and a detection result is transmitted to the water leakage alarm module through the RS485 communication module; (2) the water collecting tank collects water flowing down along the wall, the water logging sensor is arranged in the water collecting tank, the detection probe is adjusted to detect the alarm water level, when water leakage occurs and water is soaked in the detection probe, the water logging sensor sends out a water leakage alarm signal, and the detection result is transmitted to the water leakage alarm module through the RS485 communication module; (3) the water leakage alarm module receives data and water leakage alarm signals sent by the microwave radar sensor and the water immersion sensor through the RS485 communication module, judges which part of the wall surface of the cable through-wall pipe or the basement is leaked, displays the water leakage position through the liquid crystal touch screen, sends out an audible and visual alarm signal, and simultaneously sends out the water leakage alarm signal and position information to the remote monitoring platform through the GPS communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111375538.7A CN114088302B (en) | 2021-11-19 | 2021-11-19 | Water leakage detection device and method for junction of cable tunnel and basement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111375538.7A CN114088302B (en) | 2021-11-19 | 2021-11-19 | Water leakage detection device and method for junction of cable tunnel and basement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114088302A CN114088302A (en) | 2022-02-25 |
| CN114088302B true CN114088302B (en) | 2023-12-19 |
Family
ID=80302256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111375538.7A Active CN114088302B (en) | 2021-11-19 | 2021-11-19 | Water leakage detection device and method for junction of cable tunnel and basement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114088302B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201142265A (en) * | 2010-05-17 | 2011-12-01 | San-Shan Hong | Proactive method and system for monitoring water leaks in buildings |
| CN103698093A (en) * | 2013-12-16 | 2014-04-02 | 国网上海市电力公司 | Remote monitoring device and remote monitoring method for leakage water of underground substation |
| CN103868564A (en) * | 2014-03-20 | 2014-06-18 | 国家电网公司 | On-line water level monitoring method and system for underground high-voltage power tunnel |
| CN203719730U (en) * | 2014-03-20 | 2014-07-16 | 国家电网公司 | Underground high-voltage power tunnel water level online monitoring device |
| CN205619990U (en) * | 2016-05-24 | 2016-10-05 | 江苏盐开电气有限公司 | Join in marriage electrical room cable pit water level autoalarm |
| JP2017167063A (en) * | 2016-03-17 | 2017-09-21 | 株式会社栗本鐵工所 | Leakage position detection method, and leakage position detection system |
| CN108199332A (en) * | 2018-01-04 | 2018-06-22 | 长安大学 | A kind of tunnel water handling, moisture-proof and fireproof cable trench system |
| EP3367083A1 (en) * | 2017-02-23 | 2018-08-29 | Utilis Israel Ltd | System and method of detecting underground gas leakage |
| CN109521479A (en) * | 2018-10-11 | 2019-03-26 | 浙江交工集团股份有限公司 | A kind of Indirect testing method of diaphram wall percolating water |
| CN209082572U (en) * | 2018-10-30 | 2019-07-09 | 内蒙古电力勘测设计院有限责任公司 | A kind of waterproof construction of cable tunnel and basement joining place |
| CN111103097A (en) * | 2018-10-29 | 2020-05-05 | 长鑫存储技术有限公司 | Water leakage detection equipment and exposure machine with same |
| CN211291889U (en) * | 2020-03-10 | 2020-08-18 | 湖北交通职业技术学院 | A infiltration detection device for underground works |
| CN212259534U (en) * | 2020-06-22 | 2020-12-29 | 杭州飒远智能科技有限公司 | Transmitting cable intrusion detection equipment with microwave detection function |
| CN112212936A (en) * | 2020-09-29 | 2021-01-12 | 广东电网有限责任公司广州供电局 | Integrated online monitoring device, equipment and method for depth of cable well accumulated water |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10782204B2 (en) * | 2017-07-21 | 2020-09-22 | Alarm.Com Incorporated | System and method for water leak detection |
| JP6936200B2 (en) * | 2018-09-28 | 2021-09-15 | 株式会社日立製作所 | Leakage detection system and method |
-
2021
- 2021-11-19 CN CN202111375538.7A patent/CN114088302B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201142265A (en) * | 2010-05-17 | 2011-12-01 | San-Shan Hong | Proactive method and system for monitoring water leaks in buildings |
| CN103698093A (en) * | 2013-12-16 | 2014-04-02 | 国网上海市电力公司 | Remote monitoring device and remote monitoring method for leakage water of underground substation |
| CN103868564A (en) * | 2014-03-20 | 2014-06-18 | 国家电网公司 | On-line water level monitoring method and system for underground high-voltage power tunnel |
| CN203719730U (en) * | 2014-03-20 | 2014-07-16 | 国家电网公司 | Underground high-voltage power tunnel water level online monitoring device |
| JP2017167063A (en) * | 2016-03-17 | 2017-09-21 | 株式会社栗本鐵工所 | Leakage position detection method, and leakage position detection system |
| CN205619990U (en) * | 2016-05-24 | 2016-10-05 | 江苏盐开电气有限公司 | Join in marriage electrical room cable pit water level autoalarm |
| EP3367083A1 (en) * | 2017-02-23 | 2018-08-29 | Utilis Israel Ltd | System and method of detecting underground gas leakage |
| CN108199332A (en) * | 2018-01-04 | 2018-06-22 | 长安大学 | A kind of tunnel water handling, moisture-proof and fireproof cable trench system |
| CN109521479A (en) * | 2018-10-11 | 2019-03-26 | 浙江交工集团股份有限公司 | A kind of Indirect testing method of diaphram wall percolating water |
| CN111103097A (en) * | 2018-10-29 | 2020-05-05 | 长鑫存储技术有限公司 | Water leakage detection equipment and exposure machine with same |
| CN209082572U (en) * | 2018-10-30 | 2019-07-09 | 内蒙古电力勘测设计院有限责任公司 | A kind of waterproof construction of cable tunnel and basement joining place |
| CN211291889U (en) * | 2020-03-10 | 2020-08-18 | 湖北交通职业技术学院 | A infiltration detection device for underground works |
| CN212259534U (en) * | 2020-06-22 | 2020-12-29 | 杭州飒远智能科技有限公司 | Transmitting cable intrusion detection equipment with microwave detection function |
| CN112212936A (en) * | 2020-09-29 | 2021-01-12 | 广东电网有限责任公司广州供电局 | Integrated online monitoring device, equipment and method for depth of cable well accumulated water |
Non-Patent Citations (2)
| Title |
|---|
| 电缆隧道渗水红外检测装备技术研究;曹炯;程国开;朱福龙;汪从敏;夏雯;张浩;王烽人;;隧道建设(中英文)(S2);21-26 * |
| 高温疏水管穿越高低压电缆隧道墙渗漏水的综合治理;张宇明;;新型建筑材料(10);84-85 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114088302A (en) | 2022-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20030074855A (en) | Liquid pipe for detecting water leakage and establishing method | |
| CN203941220U (en) | A kind of underground high voltage cable comprehensive monitor system | |
| KR101098528B1 (en) | System and method for watching pipeline | |
| CN213579467U (en) | Dam safety monitoring system | |
| KR101192702B1 (en) | A water leakage sensing system for an apartment | |
| CN203822381U (en) | Drilling and embedding layered electromagnetic-acoustic monitoring device for underground water disasters | |
| CN114088302B (en) | Water leakage detection device and method for junction of cable tunnel and basement | |
| CN105465614A (en) | Water supply and drainage pipe leakage detecting system and method | |
| CN205560296U (en) | Water supply and drainage pipe leak testing system | |
| CN103697332A (en) | Device and method for online leakage detection of buried water conveying pipeline | |
| CN108980637A (en) | A kind of pipe leakage monitoring system and monitoring method | |
| KR100959827B1 (en) | Oil leak detector of oil storage tank for use wireless remote detection system | |
| CN210949183U (en) | Deep-well pump detection device | |
| KR100901176B1 (en) | Apparatus and method of monitering pipes of flow | |
| CN107576356A (en) | A kind of subsurface equipment fault detection method | |
| CN103979238A (en) | Multi-channel leakage monitoring method for buried tank area of gas station | |
| CN208746789U (en) | A kind of two-compartment oil tank leak detecting device and system | |
| CN207318475U (en) | A kind of cable tunnel ponding monitoring device | |
| CN211927016U (en) | Mining ultrasonic water level automatic drainage and alarm control device | |
| CN212510535U (en) | Buried pipeline water leakage detection alarm system and pipeline system | |
| CN113802671A (en) | Method for reducing water leakage risk based on drainage reconstruction | |
| KR100237162B1 (en) | Gas leak detector of buried conduit | |
| CN111664364B (en) | Buried pipeline leakage online monitoring system and monitoring method | |
| CN204592882U (en) | A kind of pipeline handing-over pipe fitting leak detection apparatus | |
| RU189742U1 (en) | DEVICE FOR REMOTE MEASUREMENT AND MONITORING OF OPERATION PARAMETERS OF ELECTROCHEMICAL PROTECTION OF PIPELINES OF HEAT NETWORKS OF CHANNEL GASKET |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |