CN207334255U - Pipeline pressure detection device - Google Patents

Pipeline pressure detection device Download PDF

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Publication number
CN207334255U
CN207334255U CN201721053403.8U CN201721053403U CN207334255U CN 207334255 U CN207334255 U CN 207334255U CN 201721053403 U CN201721053403 U CN 201721053403U CN 207334255 U CN207334255 U CN 207334255U
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CN
China
Prior art keywords
display screen
under test
pipe under
pressure
module
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Application number
CN201721053403.8U
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Chinese (zh)
Inventor
赵瀚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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Application filed by BOE Technology Group Co Ltd, Chengdu BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201721053403.8U priority Critical patent/CN207334255U/en
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Publication of CN207334255U publication Critical patent/CN207334255U/en
Priority to PCT/CN2018/086846 priority patent/WO2019037478A1/en
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Anticipated expiration legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00Arrangements for supervising or controlling working operations
    • F17D3/01Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The utility model discloses a kind of pipeline pressure detection device, belong to mechanical equipment technical field.Described device includes:The pressure detecting module of pipe under test pressure and the display screen of display pressure value are detected, pressure detecting module is electrically connected with display screen, and pressure detecting module is arranged on the inner wall of pipe under test;Display screen is arranged on the outer wall of pipe under test.The utility model solves the problems, such as that acquisition pipe under test press process is cumbersome, has reached the effect of simplified acquisition pipe under test press process, has been detected for pipeline pressure.

Description

Pipeline pressure detection device
Technical field
Mechanical equipment technical field is the utility model is related to, more particularly to a kind of pipeline pressure detection device.
Background technology
Water infrastructure is drunk with pipelines such as petroleum and natural gases in the development of the national economy and development to play an important roll, Disaster is very big to social influence caused by the damage or explosion of these pipelines, may except causing service disruption It can bring about great losses to people's life and property, the pressure (i.e. pipeline pressure) therefore, it is necessary to be born to pipeline carries out real When detect.
In order to detect pipeline pressure in correlation technique, pressure gauge is typically set on pipeline, by the pressure gauge of reading Pressure value of the pressure value as pipeline pressure.In order to accurately read pressure value, it is desirable to the eye alignment pressure gauge of staff Dial plate scale.And when running into the situation of the beat of pointer, it is necessary to pressure value repeatedly be read, then by multiple pressure of reading The average value of value provides strong data supporting as final result for pipe protection work.
In order to obtain pipeline pressure, it is necessary to read the pressure value on pressure gauge in correlation technique, and the dial plate knot of pressure gauge Structure make it that pressure value reading process is cumbersome.
Utility model content
In order to solve problem of the prior art, the utility model embodiment provides a kind of pipeline pressure detection device.Institute It is as follows to state technical solution:
A kind of pipeline pressure detection device is provided, including:Detect pressure detecting module and the display of pipe under test pressure The display screen of pressure value, the pressure detecting module are electrically connected with the display screen,
The pressure detecting module is arranged on the inner wall of the pipe under test;
The display screen is arranged on the outer wall of the pipe under test.
Optionally, described device further includes:Detection flows through the flow detection module of the flow of the fluid of the pipe under test, The flow detection module is electrically connected with the display screen,
The flow detection module is arranged in the pipe under test, and the flow of the fluid is carried out by the display screen Display.
Optionally, described device further includes:Detect the temperature detecting module of the temperature of the fluid, the temperature detection mould Block is electrically connected with the display screen,
The temperature detecting module is arranged on the inner wall of the pipe under test, and the temperature of the fluid passes through the display screen Shown.
Optionally, the display screen is flexible Organic Light Emitting Diode OLED display screen.
Optionally, the flow detection module includes the processing submodule and impeller being connected with each other, the processing submodule Rotating speed for the blade for obtaining the impeller, and determine the corresponding flow of the rotating speed.
Optionally, the pipeline pressure detection device further includes:Energy conversion module, the energy conversion module respectively with The impeller, the pressure detecting module, the display screen are connected with the temperature detecting module, and the impeller is used for by described in The kinetic energy of fluid is converted to the mechanical energy of the impeller, the energy conversion module be used for by the mechanical energy be converted to electric energy with Power to the pressure detecting module, the display screen and the temperature detecting module.
Optionally, described device further includes the type detection module for detecting the fluid, the type detection module and institute Display screen electrical connection is stated,
The type detection module is arranged in the pipe under test, and the type of the fluid of the pipe under test passes through described Display screen is shown that the type is gas or liquid.
Optionally, the pressure detecting module is welded on the inner wall of the pipe under test, and the display screen is pasted onto institute State on the outer wall of pipe under test.
Optionally, the flow detection module is arranged in the pipe under test by fixing piece, and the fixing piece includes Ring body and at least two connecting rods, the center line of the ring body is overlapped with the center line of the pipe under test, described At least two connecting rods are arranged in order along the circumferential direction of the ring body, and one end of each connecting rod is welded on the ring On the outer wall of shape body, the other end is welded on the inner wall of the pipe under test, and the shaft of the impeller is arranged on the annular On body.
Optionally, at least two connecting rod includes three connecting rods, and any two connects in three connecting rods Angle between bar is equal.
The pipeline pressure detection device that the utility model embodiment provides, pressure detecting module can detect pipe under test pressure Power, display screen can directly display pressure value, which simplifies the process for obtaining pipe under test pressure.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is a kind of structure diagram for pipeline pressure detection device that the utility model embodiment provides;
Fig. 2 is another pipeline pressure detection device structure diagram that the utility model embodiment provides;
Fig. 3 is a kind of structure diagram of the cross section for fixing piece that the utility model embodiment provides;
Fig. 4 is the structure diagram for another pipeline pressure detection device that the utility model embodiment provides;
Fig. 5 is the structure diagram for another pipeline pressure detection device that the utility model embodiment provides;
Fig. 6 is a kind of structure diagram for pipeline pressure detection device that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality It is new to be described in further detail.
The utility model embodiment provides a kind of pipeline pressure detection device 100, as shown in Figure 1, the device 100 wraps Include:Detect 01 pressure of pipe under test pressure detecting module 02 and display pressure value display screen 03, pressure detecting module 02 with Display screen 03 is electrically connected.
Pressure detecting module 02 is arranged on the inner wall of pipe under test 01.
Display screen 03 is arranged on the outer wall of pipe under test 01.
In conclusion the pipeline pressure detection device that the utility model embodiment provides, pressure detecting module can detect Pipe under test pressure, display screen can directly display pressure value, which simplifies the process for obtaining pipe under test pressure.
Optionally, pressure detecting module 02 is welded on the inner wall of pipe under test 01.Exemplary, pressure detecting module 02 can Think pressure sensor.
Optionally, display screen 03 is pasted onto on the outer wall of pipe under test 01.Exemplary, display screen 03 can be flexibility OLED (English:Organic Light-Emitting Diode, referred to as:Organic Light Emitting Diode) display screen.Due to flexibility OLED Display screen has the characteristic of flexible, therefore it is suitable for the larger pipeline of curvature.
It is exemplary, it is assumed that 01 pressure of pipe under test that pressure sensor detects is 50 megapascal (MPa)s (English: MegaPascal, referred to as:MPa), the pressure value that display screen 03 is shown is 50MPa, which is 01 pressure of pipe under test, is led to 01 pressure of pipe under test can be monitored in real time by crossing display screen 03, prevent pipe under test 01 from being ruptured because pressure is excessive.
In conclusion the pipeline pressure detection device that the utility model embodiment provides, pressure detecting module can detect Pipe under test pressure, display screen can directly display pressure value, which simplifies the process for obtaining pipe under test pressure.
The utility model embodiment provides a kind of pipeline pressure detection device 100, as shown in Fig. 2, the device 100 wraps Include:The pressure detecting module 02 of 01 pressure of pipe under test is detected, shows that the display screen 03 of pressure value, and detection flow through pipe to be measured The flow detection module 04 of the flow of the fluid in road 01.
Pressure detecting module 02 is electrically connected with display screen 03, and pressure detecting module 02 is arranged on the inner wall of pipe under test 01, Display screen 03 is arranged on the outer wall of pipe under test 01.
Flow detection module 04 is electrically connected with display screen 03, and the flow of fluid is shown by display screen 03.Wherein, flow Body can be liquid, or gas.
Optionally, referring to Fig. 2, flow detection module 04 can include the processing submodule 041 and impeller being connected with each other 042, impeller 042 includes blade 0421 and shaft 0422.When the fluid of pipe under test is flowed towards impeller, the blade meeting of impeller Rotate, shaft rotates together also with blade.Processing submodule 041 is used for the rotating speed for obtaining the blade 0421 of impeller 042, and really Determine the corresponding flow of rotating speed.The rotating speed of blade and the correspondence of flow of impeller, processing are stored with the processing submodule Module determines the flow of fluid according to the rotating speed and the correspondence of blade.
Table 1 illustrates the rotating speed of the blade of impeller and the correspondence of flow.Assuming that the rotating speed of the blade of impeller For 100r/s (circle/second), then the corresponding flow of the rotating speed is 10L/s (liter/second), wherein, r/s represent be impeller blade it is every The number of turns that second rotates;What L/s was represented is the fluid flow per second for flowing through pipe under test effective cross-section.
Table 1
The rotating speed of blade Flow
50r/s 5L/s
100r/s 10L/s
150r/s 15L/s
Assuming that the rotating speed of the blade for the impeller that processing submodule obtains is 50r/s, then processing submodule inquiry table 1, from The flow obtained in table 1 is 5L/s, then the flow that what display screen was shown flow through the fluid of pipe under test is 5L/s.
Optionally, it is arranged on referring to Fig. 2, flow detection module 04 by fixing piece 200 in pipe under test 01.It is exemplary, As shown in Fig. 2, fixing piece 200 includes 2001 and at least two connecting rod 2002 of ring body.The center line of ring body 2001 Overlapped with the center line 2003 of pipe under test 01, at least two connecting rods 2002 are arranged successively along the circumferential direction of ring body 2001 Row, one end of each connecting rod 2002 are welded on the outer wall of ring body 2001, and the other end is welded on the interior of pipe under test 01 On wall.The shaft 0422 of impeller is arranged on ring body 2001.
Fig. 3 shows the schematic diagram of the cross section of fixing piece 200 in Fig. 2, exemplary, which can wrap Include three connecting rods 2002, the angle in three connecting rods 2002 between any two connecting rod is equal.
In conclusion the pipeline pressure detection device that the utility model embodiment provides, pressure detecting module can detect Pipe under test pressure, display screen can directly display pressure value, which simplifies the process for obtaining pipe under test pressure.In addition The increased flow detection module of the device can detect the flow for the fluid for flowing through pipe under test, and display screen can directly display stream The flow of body, enriches the function of pipeline pressure detection device.
The utility model embodiment provides a kind of pipeline pressure detection device 100, as shown in figure 4, the device includes:Inspection The pressure detecting module 02 of 01 pressure of pipe under test is surveyed, shows the display screen 03 of pressure value, detection flows through the stream of pipe under test 01 The flow detection module 04 of the flow of body, and the temperature detecting module 05 of the temperature of detection fluid.
Pressure detecting module 02 is electrically connected with display screen 03, and pressure detecting module 02 is arranged on the inner wall of pipe under test 01, Display screen 03 is arranged on the outer wall of pipe under test 01.
Flow detection module 04 is electrically connected with display screen 03, and flow detection module 04 is arranged in pipe under test 01, fluid Flow shown by display screen 03.
Temperature detecting module 05 is electrically connected with display screen 03, and the temperature of fluid is shown by display screen 03.Temperature is examined Module 05 is surveyed to be welded on the inner wall 01 of pipe under test.Exemplary, temperature detecting module 05 can be temperature sensor.
Exemplary, if the temperature of fluid is 17 DEG C in the pipe under test 01 that temperature sensor detects, display screen 03 is aobvious The temperature of fluid is 17 DEG C in the pipe under test 01 shown.
In conclusion the utility model embodiment provides a kind of pipeline pressure detection device, pressure detecting module can Pipe under test pressure is detected, display screen can directly display pressure value, which simplifies the process for obtaining pipe under test pressure. In addition the increased temperature detecting module of the device can detect the temperature of fluid, and display screen can directly display the temperature of fluid, Enrich the function of pipeline pressure detection device.
The utility model embodiment provides a kind of pipeline pressure detection device 100, as shown in figure 5, the device includes:Inspection The pressure detecting module 02 of 01 pressure of pipe under test is surveyed, shows the display screen 03 of pressure value, detection flows through the stream of pipe under test 01 The flow detection module 04 of the flow of body, detects the temperature detecting module 05 of the temperature of fluid, and energy conversion module 06.
Pressure detecting module 02 is electrically connected with display screen 03, and pressure detecting module 02 is arranged on the inner wall of pipe under test 01, Display screen 03 is arranged on the outer wall of pipe under test 01.
Flow detection module 04 is electrically connected with display screen 03, and flow detection module 04 is arranged in pipe under test 01, fluid Flow shown by display screen 03.
Temperature detecting module 05 is electrically connected with display screen 03, and temperature detecting module 05 is arranged on the inner wall of pipe under test 01, The temperature of fluid is shown by display screen 03.
Energy conversion module 06 connects with impeller 042, pressure detecting module 02, display screen 03 and temperature detecting module 05 respectively Connect, impeller 042 is used for the mechanical energy that the kinetic energy of fluid is converted to impeller 042, and energy conversion module 06 is used to turn mechanical energy Electric energy is changed to power to pressure detecting module 02, display screen 03 and temperature detecting module 05.Wherein, energy conversion module is set In the shaft of impeller, when the spindle is rotated, the mechanical energy of shaft is converted to electric energy by energy conversion module.
It is exemplary, it is assumed that fluid is liquid, then liquid towards impeller flow when, the blade of impeller can rotate, shaft also with Blade to rotate together, then the mechanical energy of shaft can be converted to electric energy by energy conversion module so as to pressure detecting module, Display screen and temperature detecting module power supply.Exemplary, energy conversion module can be generator.
Other marks in Fig. 5 may be referred to Fig. 2 and illustrate.
In conclusion the utility model embodiment provides a kind of pipeline pressure detection device, pressure detecting module can Pipe under test pressure is detected, display screen can directly display pressure value, which simplifies the process for obtaining pipe under test pressure. In addition, the energy conversion module and impeller of the device can also cooperate as pressure detecting module, display screen and temperature detection Module for power supply, without external power supply, can realize independent power generation function.
The utility model embodiment provides a kind of pipeline pressure detection device 100, as shown in fig. 6, the device includes:Inspection The pressure detecting module 02 of 01 pressure of pipe under test is surveyed, shows the display screen 03 of pressure value, detection flows through the stream of pipe under test 01 The flow detection module 04 of the flow of body, detects the temperature detecting module 05 of the temperature of fluid, energy conversion module 06, Yi Jijian The type detection module 07 of fluid measured.
Pressure detecting module 02 is electrically connected with display screen 03, and pressure detecting module 02 is arranged on the inner wall of pipe under test 01, Display screen 03 is arranged on the outer wall of pipe under test 01.
Flow detection module 04 is electrically connected with display screen 03, and flow detection module 04 is arranged in pipe under test 01, fluid Flow shown by display screen 03.
Temperature detecting module 05 is electrically connected with display screen 03, and temperature detecting module 05 is arranged on the interior of the pipe under test 01 Wall, the temperature of fluid are shown by display screen 03.
Energy conversion module 06 connects with impeller 042, pressure detecting module 02, display screen 03 and temperature detecting module 05 respectively Connect, impeller 042 is used for the mechanical energy that the kinetic energy of fluid is converted to impeller 042, and energy conversion module 06 is used to turn mechanical energy Electric energy is changed to power to pressure detecting module 02, display screen 03 and temperature detecting module 05.
Type detection module 07 is electrically connected with display screen 03, and the type of fluid is shown by display screen 03, fluid Type can be gas, or liquid.
Type detection module 07 is arranged in pipe under test 01, exemplary, and type detection module 07 can include water-sensitive and pass Sensor and transmitting element, water-sensitive sensor is used to detect whether fluid is liquid, when the pipe under test that water-sensitive sensor detects When the type of 01 fluid is liquid, transmitting element sends control signal to display screen 03, which is used to indicate to be measured The type of the fluid of pipeline 01 is liquid, and display screen 03 shows that the state of fluid in pipe under test 01 is liquid;When water-sensitive senses During the type of the fluid of the undetected pipe under test 01 of device, transmitting element does not send control signal to display screen 03, works as display For screen when preset duration does not receive control signal, display screen 03 shows that the state of fluid in pipe under test 01 is gas.
Correspondingly, if the type of the fluid for the pipe under test 01 that water-sensitive sensor detects is liquid, on display screen 03 The temperature for showing fluid is the temperature of liquid, and flow is the flow of liquid;If the undetected pipe under test 01 of water-sensitive sensor Fluid type, then shown on display screen 03 fluid temperature be gas temperature, flow be gas flow.
Other marks in Fig. 6 may be referred to Fig. 2 and illustrate.
In the utility model, pipeline pressure detection device can with fluid in dynamic monitoring pipe under test (such as gas or Person's liquid) pressure, temperature and flow, and the data real-time display that will be monitored by display screen, and whole device is simply light Just.The device can be adapted for various types of pipelines, such as tracheae, water pipe or oil pipe, while the device is to the size of pipeline It is not limited.
In conclusion the utility model embodiment provides a kind of pipeline pressure detection device, pressure detecting module can Pipe under test pressure is detected, display screen can directly display pressure value, which simplifies the process for obtaining pipe under test pressure. In addition the type detection module of the device can detect the type of fluid, and display screen can show the type of fluid, enrich pipe The function of road pressure-detecting device.
The use process of pipeline pressure detection device provided by the utility model can be:There is no fluid also in pipe under test When flowing through, the device is arranged in pipe under test first, is respectively welded on pressure detecting module, temperature detecting module to be measured On the inner wall of pipeline, flow detection module is arranged in pipe under test by fixing piece.Flow direction by impeller towards fluid, and It is connected with energy conversion module, the shaft of impeller is arranged on ring body.Type detection module is arranged in pipe under test, Display screen is pasted onto on the outer wall of pipe under test.Afterwards, by pressure detecting module, flow detection module, temperature detecting module It is electrically connected respectively with display screen with type detection module, impeller, pressure detecting module, display screen and temperature detecting module is distinguished It is electrically connected with energy conversion module.Finally, when fluid flows through the device, display screen can show pipe under test pressure, stream The type of the flow of fluid through pipe under test, the temperature of fluid and fluid.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model Within the scope of shield.

Claims (9)

1. a kind of pipeline pressure detection device, it is characterised in that described device includes:Detect the pressure detecting of pipe under test pressure The display screen of module and display pressure value, the pressure detecting module are electrically connected with the display screen,
The pressure detecting module is arranged on the inner wall of the pipe under test;
The display screen is arranged on the outer wall of the pipe under test;
Described device further includes:
Detection flows through the flow detection module of the flow of the fluid of the pipe under test, the flow detection module and the display Screen is electrically connected,
The flow detection module is arranged in the pipe under test, and the flow of the fluid is shown by the display screen Show.
2. device according to claim 1, it is characterised in that described device further includes:Detect the temperature of the fluid Temperature detecting module, the temperature detecting module are electrically connected with the display screen,
The temperature detecting module is arranged on the inner wall of the pipe under test, and the temperature of the fluid is carried out by the display screen Display.
3. device according to claim 1, it is characterised in that the display screen shows for flexibility Organic Light Emitting Diode OLED Display screen.
4. the apparatus of claim 2, it is characterised in that the flow detection module includes processing being connected with each other Module and impeller, the processing submodule are used for the rotating speed for obtaining the blade of the impeller, and determine the corresponding stream of the rotating speed Amount.
5. device according to claim 4, it is characterised in that the pipeline pressure detection device further includes:Energy converts Module, the energy conversion module respectively with the impeller, the pressure detecting module, the display screen and the temperature detection Module connects, and the impeller is used for the mechanical energy that the kinetic energy of the fluid is converted to the impeller, the energy conversion module For by the mechanical energy be converted to electric energy with give the pressure detecting module, the display screen and the temperature detecting module supply Electricity.
6. device according to claim 1, it is characterised in that described device further includes the type detection mould of detection fluid Block, the type detection module are electrically connected with the display screen,
The type detection module is arranged in the pipe under test, and the type of the fluid of the pipe under test passes through the display Screen is shown that the type is gas or liquid.
7. device according to any one of claims 1 to 6, it is characterised in that the pressure detecting module is welded on described treat On the inner wall in test tube road, the display screen is pasted onto on the outer wall of the pipe under test.
8. device according to claim 4, it is characterised in that the flow detection module is arranged on described by fixing piece In pipe under test,
The fixing piece includes ring body and at least two connecting rods, the center line of the ring body and the pipe under test Center line overlap, at least two connecting rod is arranged in order along the circumferential direction of the ring body, each connecting rod One end be welded on the outer wall of the ring body, the other end is welded on the inner wall of the pipe under test, the impeller Shaft is arranged on the ring body.
9. device according to claim 8, it is characterised in that at least two connecting rod includes three connecting rods, institute The angle stated in three connecting rods between any two connecting rod is equal.
CN201721053403.8U 2017-08-22 2017-08-22 Pipeline pressure detection device Active CN207334255U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201721053403.8U CN207334255U (en) 2017-08-22 2017-08-22 Pipeline pressure detection device
PCT/CN2018/086846 WO2019037478A1 (en) 2017-08-22 2018-05-15 Pipe detection device

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Application Number Priority Date Filing Date Title
CN201721053403.8U CN207334255U (en) 2017-08-22 2017-08-22 Pipeline pressure detection device

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Publication Number Publication Date
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WO (1) WO2019037478A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019037478A1 (en) * 2017-08-22 2019-02-28 京东方科技集团股份有限公司 Pipe detection device
CN112014024A (en) * 2019-05-31 2020-12-01 天津大学青岛海洋技术研究院 Underground pipe network gas pressure detection method based on flexible sensor network

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CN201152757Y (en) * 2007-09-16 2008-11-19 浙江富马仪表有限公司 Liquid revolving flow meter having pressure and temperature detection
CN204043717U (en) * 2014-09-18 2014-12-24 北京向导科技有限公司 Explosion-proof intelligent digital displaying meter
CN204421954U (en) * 2015-01-27 2015-06-24 郝小静 Fluid sensing device
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CN206038110U (en) * 2016-09-23 2017-03-22 毕瑶 Water conservancy water level detection device
CN207334255U (en) * 2017-08-22 2018-05-08 京东方科技集团股份有限公司 Pipeline pressure detection device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019037478A1 (en) * 2017-08-22 2019-02-28 京东方科技集团股份有限公司 Pipe detection device
CN112014024A (en) * 2019-05-31 2020-12-01 天津大学青岛海洋技术研究院 Underground pipe network gas pressure detection method based on flexible sensor network

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