CN108036199B - Pipeline leak wireless sensing system and method - Google Patents
Pipeline leak wireless sensing system and method Download PDFInfo
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- CN108036199B CN108036199B CN201711270360.3A CN201711270360A CN108036199B CN 108036199 B CN108036199 B CN 108036199B CN 201711270360 A CN201711270360 A CN 201711270360A CN 108036199 B CN108036199 B CN 108036199B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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Abstract
The present invention discloses a kind of pipeline leak wireless sensing system, and when being worked in pipeline by ball-type arrangement for detecting and is mobile by external force, interior spherical shell is rotated relative to outer spherical shell, and the gyroscope being set in interior spherical shell senses the angular speed of interior spherical shell, and maintains the direction of interior spherical shell；Radio receiving transmitting module transmits the thermal imagery signal around the pipeline that multiple infra red thermographs are captured and gives monitoring client；The identification information of those thermal imagery signals infra red thermograph corresponding according to the sequence of its temporal information for being included is synthesized multiple time images by monitoring client, and carries out image analysing computer to those time images, to judge whether pipeline has at leak.
Description
Technical field
The present invention relates to a kind of detecting system and its methods, especially pipeline leak wireless sensing system and method.
Background technique
Tap water pipeline is intricate because pipeline connects, in addition being embedded under earth's surface for a long time, by various pressure, earthquake
And the influence of pipeline inside water pressure, pipeline leakage loss anytime anywhere may all occur, if Running-water Company cannot find leak in time
The case where, it will cause the waste of water resource.Therefore, in order to timely and accurately measure leaking area, people just constantly study and visit
The various method for detecting of rope.
Currently, the principle of most of leak Detecting device equipment and technology using sound wave detecting, by detecting water from leakage
Point spray caused by noise come determine pipeline whether the position of leak and leakage point.However, by leakage point size, hydraulic pressure, pipe
The factors such as wire rod matter, length of pipeline, caliber, soil media influence, and noise attentuation intensity is different, so that produced by some leakage points
Noise be difficult to differentiate.
In summary, it is known that always exist for a long time in the prior art leak Detecting device equipment by leakage point size,
The factors such as hydraulic pressure, pipeline material, length of pipeline, caliber, soil media influence so that some leakage points are difficult to the problem of differentiating, because
This is it is really necessary to propose improved technological means, to solve the problems, such as this.
Summary of the invention
A kind of pipeline leak wireless sensing system and method for present disclosure.
Firstly, a kind of pipeline leak wireless sensing system of present disclosure, this system includes: ball-type arrangement for detecting and monitoring
End.Wherein, ball-type arrangement for detecting includes: outer spherical shell, interior spherical shell, gyroscope, clump weight, multiple infra red thermographs and wireless receipts
Module is sent out, there is spacing between interior spherical shell and outer spherical shell and is rotated relative to outer spherical shell, gyroscope, clump weight and radio receiving transmitting module
It is set in interior spherical shell and clump weight is configured at the lower position close to interior spherical shell, those infra red thermographs are fixed on interior ball
Shell, radio receiving transmitting module connect those infra red thermographs.Ball-type arrangement for detecting works in pipeline and by external force movement；Gyro
The angular speed of instrument spherical shell in sensing, and maintain the direction of interior spherical shell；Each infra red thermograph is for capturing around pipeline
Thermal imagery signal, each thermal imagery signal include the identification information of the corresponding infra red thermograph of temporal information；It is wireless to receive
Hair module is used for transmission those thermal imagery signals；Monitoring client is used for the temporal information for being included according to it by those thermal imagery signals
The identification information of the corresponding infra red thermograph of sequence synthesize multiple time images, and shadow is carried out to those time images
As analysis, to judge whether pipeline has at leak.
In addition, a kind of pipeline leak wireless sensing method of present disclosure, step include: provide ball-type arrangement for detecting with
Monitoring client, wherein ball-type arrangement for detecting includes outer spherical shell, interior spherical shell, gyroscope, clump weight, multiple infra red thermographs and nothing
Line transceiver module has spacing between interior spherical shell and outer spherical shell and interior spherical shell is rotated relative to outer spherical shell, gyroscope, clump weight and nothing
Line transceiver module is set in interior spherical shell and clump weight is configured at the lower position close to interior spherical shell, those infra red thermographs are solid
Due to interior spherical shell, radio receiving transmitting module connects those infra red thermographs；Ball-type arrangement for detecting works in pipeline and by external force
It is mobile；Gyroscope senses the angular speed of interior spherical shell, and maintains the direction of interior spherical shell；Each infra red thermograph captures around pipeline
Thermal imagery signal, wherein each thermal imagery signal includes the identification information of the corresponding infra red thermograph of temporal information；
Radio receiving transmitting module transmits those thermal imagery signals and gives monitoring client；And those thermal imagery signals are included by monitoring client according to it
The identification information of the corresponding infra red thermograph of sequence of temporal information synthesize multiple time images, and to those times
Image carries out image analysing computer, to judge whether pipeline has at leak.
Presently disclosed System and method for is as above, is that the present invention is detected by ball-type with the difference of the prior art
It is installed in pipeline when working and is mobile by external force, interior spherical shell is rotated relative to outer spherical shell, the gyroscope sense being set in interior spherical shell
The angular speed of spherical shell in surveying, and maintain the direction of interior spherical shell；Radio receiving transmitting module transmits what multiple infra red thermographs were captured
Thermal imagery signal around pipeline gives monitoring client；Monitoring client is by those thermal imagery signals according to the suitable of its temporal information for being included
The identification information of the corresponding infra red thermograph of sequence synthesizes multiple time images, and carries out image point to those time images
Analysis.
By above-mentioned technological means, the present invention may determine that whether pipeline has the technical effect at leak.
Detailed description of the invention
Fig. 1 is an embodiment system block diagram of pipeline leak wireless sensing system of the present invention.
Fig. 2 is an embodiment the schematic diagram of the section structure of the pipeline leak wireless sensing system of Fig. 1.
Fig. 3 is an embodiment method of the pipeline leak wireless sensing system execution pipeline leak wireless sensing method of Fig. 1
Flow chart.
Symbol description
10 rotary shafts
20 rotors
30 balance annular shelfs
31 interior ring stands
32 outer ring stands
40 outline borders
50 inner surfaces
60 outer surfaces
100 pipeline leak wireless sensing systems
110 ball-type arrangement for detecting
111 outer spherical shells
Spherical shell in 112
113 gyroscopes
114 clump weights
115 infra red thermographs
116 radio receiving transmitting modules
117 storage modules
118 read modules
120 monitoring clients
Specific embodiment
Carry out the embodiment that the present invention will be described in detail below in conjunction with accompanying drawings and embodiments, how the present invention is applied whereby
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
Before illustrating presently disclosed pipeline leak wireless sensing system and method, first voluntarily to institute of the invention
The noun of definition explains, the ball-type arrangement for detecting and monitoring client that pipeline leak wireless sensing system of the present invention is included
Various modes be can use to realize, including software, hardware, firmware or any combination thereof.The technology proposed in an implementation uses
Software or firmware can be stored in machine readable storage media, such as: read-only memory (ROM), random access memory
(RAM), disc storage media, light memory medium, flash memory device etc., and can by it is one or more it is general or special purpose can
Sequencing microprocessor executes.The ball-type arrangement for detecting and monitoring that pipeline leak wireless sensing system of the present invention is included
End can by network, such as: mobile communications network, internet, local area network, wide area network and/or wireless network are interconnected.
Below cooperation attached drawing pipeline leak wireless sensing system and method for the present invention are described further, please referring initially to
Fig. 1 and Fig. 2, Fig. 1 are an embodiment system block diagram of pipeline leak wireless sensing system of the present invention, and Fig. 2 is the pipeline leak of Fig. 1
One embodiment the schematic diagram of the section structure of wireless sensing system.Pipeline leak wireless sensing system 100 includes: ball-type arrangement for detecting
110 with monitoring client 120.Wherein, the quantity of ball-type arrangement for detecting 110 can be but be not limited to one, and the quantity of monitoring client 120 can be
But it is not limited to one, the quantity of practical ball-type arrangement for detecting 110 and monitoring client 120 can be adjusted according to demand.For example,
It can be by a monitoring client 120 and multiple 110 linking communications of ball-type arrangement for detecting, to detect whether multiple pipelines have leakage simultaneously
At water.
In this embodiment, ball-type arrangement for detecting 110 includes: outer spherical shell 111, interior spherical shell 112, gyroscope 113, clump weight
114, multiple infra red thermographs 115 and radio receiving transmitting module 116, have spacing and can between interior spherical shell 112 and outer spherical shell 111
It is rotated relative to outer spherical shell 111, gyroscope 113, clump weight 114 and radio receiving transmitting module 116 are set in interior spherical shell 112 and counterweight
Block 114 is configured at the lower position close to interior spherical shell 112, those infra red thermographs 115 are fixed on interior spherical shell 112, wireless to receive
It sends out module 116 and connects those infra red thermographs 115.
Wherein, the outer surface 60 of the inner surface 50 of outer spherical shell 111 and interior spherical shell 112 is respectively provided with identical magnetic pole, so that
There can be spacing because of the mutually exclusive principle of same pole between interior spherical shell 112 and outer spherical shell 111, so that interior spherical shell
112 not will receive the interference of ectosphere shell 111 and be relatively rotatable to each other；Gyroscope 113 includes rotary shaft 10, rotor 20, balance annular shelf
(gimbal) 30 with outline border 40, rotor 20 is that axle center rotates with rotary shaft 10, and balance annular shelf 30 includes interior ring stand 31 and outer ring stand
32, interior ring stand 31 is connected to the rotary shaft 10 extended in a first direction and rotates as rotary shaft 10 rotates, interior ring stand 31 with
Second direction is pivotally connected outer ring stand 32, and outer ring stand 32 is pivotally connected outline border 40, first direction, second direction and third direction with third direction
Between be mutually perpendicular to and first direction is gravity direction, make balance annular shelf 30 and outline border 40 can be around turning to 10 rotation of rotary shaft
Son 20.Inertia is generated since rotor 20 at a high speed rotates, so that the side that the axle center of rotary shaft 10 is kept fixed in space
To, it allows gyroscope 113 to be based on the conservation of angular momentum, revolts any axial strength for changing rotor 20, and interior spherical shell can be maintained
112 direction.
Since gyroscope 113 can allow interior spherical shell 112 to be maintained at special angle, when so that outer spherical shell 111 by external force because being rotated,
Interior spherical shell 112 may remain in special angle, in this way, be fixed on those infra red thermographs 115 of interior spherical shell 112
Steadily capture the thermal imagery signal around pipeline.Clump weight 114 is set in interior spherical shell 112 and under interior spherical shell 112
Orientation is set, and to reduce whole center of gravity, and makes interior spherical shell 112 under normal conditions also can be as tumbler, tendency returns to specific
Angle.
Infra red thermograph 115 is converted to temperature value, visual field to converge the infrared energy of object in its visual field
Size determined by its optical element and its position, as long as due to any substance have temperature will infrared radiation,
And temperature is different, the infrared ray of radiation will difference, in the present embodiment, the quantity of infra red thermograph 115 is with two
For a, the opposite end of interior spherical shell 112 can be fixed on (if by two infra red thermographs 115 by the mode being embedded respectively
It is connected with line segment, it can be found that two infra red thermographs 115 being fixed in interior spherical shell 112 can be located at interior spherical shell respectively
On two endpoints of 112 diameters), to capture the thermal imagery signal around outer 111 exterior tubing of spherical shell, each infra red thermograph
115 are at least required to take thermal imagery signal (the i.e. infrared energy of convergence 180 degree visual field that wide angular range is 180 degree
Amount), in this way, which these infra red thermographs 115 just can take the thermal imagery signal of full angle, but the present embodiment is not
To limit the present invention, the quantity and allocation position of practical infra red thermograph 115 can be according to the visual fields of infra red thermograph 115
Size is adjusted with user's demand.
When ball-type arrangement for detecting 110 works in pipeline and is mobile by external force, the spherical shell 112 in sensing of gyroscope 113
Angular speed, and maintain the direction of interior spherical shell 112；Each infra red thermograph 115 is used to capture the thermal imagery signal around pipeline,
Each thermal imagery signal includes the identification information of the corresponding infra red thermograph 115 of temporal information；Radio receiving transmitting module 116
It is used for transmission those thermal imagery signals；Monitoring client 120 is used for the temporal information for being included according to it by those thermal imagery signals
The identification information of sequentially corresponding infra red thermograph 115 synthesizes multiple time images, and carries out to those time images
Image analysing computer, at the leak to judge pipeline.Wherein, the identification information of infra red thermograph 115 is to distinguish each infrared
The information of line thermal imaging system 115.
In more detail, when ball-type arrangement for detecting 110 works in pipeline, although outer spherical shell 111 can turn because of external force
It is dynamic, due to but interior spherical shell 112 because being provided with gyroscope 113 can maintain its original angle (i.e. original direction), and then improve solid
Due to the stability of the acquisition thermal imagery signal of multiple infra red thermographs 115 of interior spherical shell 112.Further, since multiple infrared rays
The configuration of thermal imaging system 115 can take the thermal imagery signal of full angle, and each thermal imagery signal includes that temporal information is right with it
(it is which infra red thermograph 115 in which that i.e. each thermal imagery signal notes down it to the identification information for the infra red thermograph 115 answered
A time point is captured) so that monitoring client 120 can by those thermal imagery signals according to its temporal information for being included sequence with
The identification information of its corresponding infra red thermograph synthesizes multiple time images, and (i.e. each time image is ball-type arrangement for detecting
The 110 thermal imagery signal around the pipeline that captures of those infra red thermographs 115 of each time point moved in pipeline
Image made of combined), and image analysing computer is carried out to those time images.Due to can be from ball-type arrangement for detecting 110 in pipeline
The time span of interior movement and moving distance, which back calculate, estimates each time point of ball-type arrangement for detecting 110 in which in pipeline
A position can correspond to the time image when temperature of pipeline's surrounding environment in discovery sometime image changes
Based on temporal information judge the position of pipeline leakage loss.Therefore, monitoring client 120 can be sentenced by those time images are analyzed
The position of disconnected pipeline leakage loss out.
In the present embodiment, ball-type arrangement for detecting 110 also may include storage module 117, be used for those thermal imagery signals
It is stored according to the identification information of the corresponding infra red thermograph of the sequence or location information of its temporal information for being included,
So that the backup of related data saves.
In addition, the position in order to more accurately judge pipeline leakage, ball-type arrangement for detecting 110 also may include read module
118, interior spherical shell 112 can be fixed on by the mode being embedded, the junction in pipeline between any two water pipe is configured with radio frequency
Label (is not drawn), when ball-type arrangement for detecting 110 moves in pipeline and passes through the junction between any two water pipe, is read
The radio-frequency volume label of the connection place configuration between any two water pipe can be read in modulus block 118, and records and read radio-frequency volume label
When current time and generate location information, radio receiving transmitting module 116 can transmission of location information give monitoring client 120, monitoring client 120
It can be according to the position at the leak of the result and location information positioning pipeline that those time images carried out with image analysing computer.Wherein,
RF tag can be used for distinguishing the position between different water pipes.In more detail, since read module 118 reads radio-frequency volume label
While recordable current time and generate location information, therefore, which time point can clearly be known by location information
Ball-type arrangement for detecting 110 passes through which pipeline position (position i.e. between which two water pipe), when monitoring client 120 is to those times
When finding that the temperature of pipeline's surrounding environment in sometime image changes after image progress image analysing computer, when can correspond to this
Between those location informations for being transmitted of temporal information based on image and radio receiving transmitting module 116 more accurately judge outlet pipe
The position of line leakage loss.
Then, referring to Fig. 3, Fig. 3 is the pipeline leak wireless sensing system execution pipeline leak wireless sensing method of Fig. 1
An embodiment method flow diagram, step includes: to provide ball-type arrangement for detecting and monitoring client, wherein ball-type arrangement for detecting packet
Containing outer spherical shell, interior spherical shell, gyroscope, clump weight, multiple infra red thermographs and radio receiving transmitting module, interior spherical shell and outer spherical shell it
Between there is spacing and interior spherical shell to rotate relative to outer spherical shell, gyroscope, clump weight and radio receiving transmitting module be set to interior spherical shell it is interior and
Clump weight is configured at the lower position close to interior spherical shell, those infra red thermographs are fixed on interior spherical shell, and radio receiving transmitting module connects
Connect those infra red thermograph (steps 210)；Ball-type arrangement for detecting works in pipeline and by the mobile (step 220) of external force；Top
Spiral shell instrument senses the angular speed of interior spherical shell, and maintains the direction (step 230) of interior spherical shell；Each infra red thermograph captures the pipeline
The thermal imagery signal of surrounding, each thermal imagery signal include the identification information of the corresponding infra red thermograph of temporal information
(step 240)；Radio receiving transmitting module transmits those thermal imagery signals and gives monitoring client (step 250)；And monitoring client is warm by those
The identification information synthesis of the video signal infra red thermograph corresponding according to the sequence of its temporal information for being included is multiple
Time image, and image analysing computer, (step 260) at the leak to judge pipeline are carried out to those time images.
Through the above steps, when can be worked in pipeline by ball-type arrangement for detecting and is mobile by external force, interior spherical shell phase
Externally spherical shell rotation, the gyroscope being set in interior spherical shell sense the angular speed of interior spherical shell, and maintain the direction of interior spherical shell；Wirelessly
Transceiver module transmits the thermal imagery signal around the pipeline that multiple infra red thermographs are captured and gives monitoring client；Monitoring client by those
The identification information synthesis of the thermal imagery signal infra red thermograph corresponding according to the sequence of its temporal information for being included is more
A time image, and image analysing computer is carried out to those time images, to judge whether pipeline has at leak.Detailed description is
It is illustrated in above-mentioned paragraph, is repeated no more in this.
Wherein, in order to back up preservation data, ball-type arrangement for detecting also may include storage module, pipeline leak wireless sensing side
Method is also can include the following steps: storage module is corresponding according to the sequence of its temporal information for being included by those thermal imagery signals
The identification information of infra red thermograph stored (step 270).Detailed description is illustrated in above-mentioned paragraph, not in this
It repeats again.
In addition, the position in order to more accurately judge pipeline leak, ball-type arrangement for detecting also includes read module, pipeline
Any two water pipe between junction be configured with radio-frequency volume label, pipeline leak method for detecting, which also comprises the steps of:, works as ball
When type arrangement for detecting moves in pipeline and passes through the junction between any two water pipe, read module reads any two water
The radio-frequency volume label of connection place configuration between pipe, and record the current time and generate location information (step 280)；It is wireless to receive
Hair those location informations of module transfer give monitoring client (step 290)；And monitoring client carries out image according to those time images
Position (step 300) at the leak of the result of analysis and those location informations positioning pipeline.Detailed description is in above-mentioned paragraph
It is illustrated, is repeated no more in this.
In summary, it is known that the difference between the present invention and the prior art is through ball-type arrangement for detecting the work in pipeline
When making and is mobile by external force, interior spherical shell is rotated relative to outer spherical shell, and the gyroscope being set in interior spherical shell senses the angle speed of interior spherical shell
Degree, and maintain the direction of interior spherical shell；Radio receiving transmitting module transmits the hot shadow around the pipeline that multiple infra red thermographs are captured
As signal gives monitoring client；Sequence corresponding red of the monitoring client by those thermal imagery signals according to its temporal information for being included
The identification information of outside line thermal imaging system synthesizes multiple time images, and carries out image analysing computer to those time images, to judge outlet pipe
Whether line has at leak.
Although as above with embodiment above-mentioned explanation, however, it is not to limit the invention, any this field skill by the present invention
Art personnel, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, therefore patent of the invention is protected
Shield range must regard subject to this specification scope of which is defined in the appended claims.
Claims (10)
1. a kind of pipeline leak wireless sensing system, which is characterized in that it includes:
Ball-type arrangement for detecting works and mobile by external force in pipeline, it includes:
Outer spherical shell；
There is spacing between interior spherical shell, with the outer spherical shell and rotated relative to the outer spherical shell；
Gyroscope is set in the interior spherical shell, for sensing the angular speed of the interior spherical shell, and maintains the direction of the interior spherical shell；
Clump weight is set to the lower position in the interior spherical shell and close to the interior spherical shell；
Multiple infra red thermographs, are fixed on the interior spherical shell, and each infra red thermograph is used to capture the heat around the pipeline
Video signal, each thermal imagery signal include the identification information of the corresponding infra red thermograph of temporal information；And
Radio receiving transmitting module connects those infra red thermographs and is set in the interior spherical shell, is used for transmission those thermal imageries letter
Number；And
Monitoring client, for by those thermal imagery signals according to its temporal information for being included sequence it is corresponding this is infrared
The identification information of line thermal imaging system synthesizes multiple time images, and carries out image analysing computer to those time images, to judge this
Whether pipeline has at leak.
2. pipeline leak wireless sensing system according to claim 1, which is characterized in that the ball-type arrangement for detecting also includes to read
Module, the junction in the pipeline between any two water pipe is configured with radio-frequency volume label, when the ball-type arrangement for detecting is in the pipeline
Middle movement and when by junction between any two water pipe, which reads the junction between any two water pipe
The radio-frequency volume label configured, and record the current time and generate location information, which transmits those positions
Information gives the monitoring client, which positions according to the result and those location informations that those time images are carried out with image analysing computer
Position at the leak of the pipeline.
3. pipeline leak wireless sensing system according to claim 1, which is characterized in that the ball-type arrangement for detecting also includes storage
Module, for the infra red thermograph that those thermal imagery signals are corresponding according to the sequence of its temporal information for being included
The identification information stored.
4. pipeline leak wireless sensing system according to claim 1, which is characterized in that the inner surface of the outer spherical shell and the interior ball
The outer surface of shell is respectively provided with identical magnetic pole.
5. pipeline leak wireless sensing system according to claim 1, which is characterized in that the quantity of those infra red thermographs is
Two, the top of the interior spherical shell is located at lower section and on two endpoints of the diameter of the interior spherical shell.
6. a kind of pipeline leak wireless sensing method, which is characterized in that its step includes:
There is provided ball-type arrangement for detecting and monitoring client, wherein the ball-type arrangement for detecting includes outer spherical shell, interior spherical shell, gyroscope, counterweight
Block, multiple infra red thermographs and radio receiving transmitting module have spacing and the interior spherical shell phase between the interior spherical shell and the outer spherical shell
The outer spherical shell is rotated, the gyroscope, the clump weight and the radio receiving transmitting module are set in the interior spherical shell and the clump weight is matched
It is disposed adjacent to the lower position of the interior spherical shell, those infra red thermographs are fixed on the interior spherical shell, radio receiving transmitting module connection
Those infra red thermographs；
The ball-type arrangement for detecting works in pipeline and by external force movement；
The gyroscope senses the angular speed of the interior spherical shell, and maintains the direction of the interior spherical shell；
Each infra red thermograph captures the thermal imagery signal around the pipeline, wherein when each thermal imagery signal includes
Between the corresponding infra red thermograph of information identification information；
The radio receiving transmitting module transmits those thermal imagery signals and gives the monitoring client；And
Monitoring client infrared ray that those thermal imagery signals are corresponding according to the sequence of its temporal information for being included
The identification information of thermal imaging system synthesizes multiple time images, and carries out image analysing computer to those time images, to judge the pipe
Whether line has at leak.
7. pipeline leak wireless sensing method according to claim 6, which is characterized in that the ball-type arrangement for detecting also includes to read
Module, the junction in the pipeline between any two water pipe are configured with radio-frequency volume label, which also includes
Following steps:
When the ball-type arrangement for detecting moves in the pipeline and passes through the junction between any two water pipe, the read module
The radio-frequency volume label of the connection place configuration between any two water pipe is read, and records the current time and generates position letter
Breath；
The radio receiving transmitting module transmits those location informations and gives the monitoring client；And
The monitoring client positions being somebody's turn to do for the pipeline according to the result and those location informations that those time images are carried out with image analysing computer
Position at leak.
8. pipeline leak wireless sensing method according to claim 6, which is characterized in that the ball-type arrangement for detecting also includes storage
Module, the pipeline leak method for detecting also comprise the steps of: that those thermal imagery signals are included by the storage module according to it
The identification information of the corresponding infra red thermograph of the sequence of the temporal information is stored.
9. pipeline leak wireless sensing method according to claim 6, which is characterized in that the inner surface of the outer spherical shell and the interior ball
The outer surface of shell is respectively provided with identical magnetic pole.
10. pipeline leak wireless sensing method according to claim 6, which is characterized in that the quantity of those infra red thermographs
It is two, is located at the top of the interior spherical shell with lower section and on two endpoints of the diameter of the interior spherical shell.
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| CN108036199B true CN108036199B (en) | 2019-09-13 |
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|---|---|
| CN108036199A (en) | 2018-05-15 |
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