CN110159931A - A kind of gas pipeline leakage detection warning device - Google Patents
A kind of gas pipeline leakage detection warning device Download PDFInfo
- Publication number
- CN110159931A CN110159931A CN201910403784.5A CN201910403784A CN110159931A CN 110159931 A CN110159931 A CN 110159931A CN 201910403784 A CN201910403784 A CN 201910403784A CN 110159931 A CN110159931 A CN 110159931A
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- cavity
- fixedly mounted
- chamber
- gear
- pipeline
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Classifications
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of gas pipeline leakages to detect warning device, including monitoring case, it is equipped on the right side of the monitoring case and clamps case, the clamping case right side and the monitoring case left side are equipped with cavity, pipeline is equipped in the cavity, when the natural gas leaking in pipeline is slow, natural gas is entered in storage chamber by connecting cavity, after a period of time, meeting is so that eardrum is heaved, can detecte out pipeline has natural gas leaking, pass through the cooperation of sealing mechanism and clamp system, so that device is when carrying out gas pipeline leakage detection, prevent the natural gas of leakage from flowing out from device, user's health personal during carrying out leak detection is ensured, also ensure the accuracy of device detection, and when the very small situation of pipe leakage occurs, whether can be heaved by the eardrum in observation testing agency, to sentence The case where disconnected natural gas line is avoided with the presence or absence of leakage when gas pipeline leakage is very small, and inspection does not measure leakage generation.
Description
Technical field
The present invention relates to natural gas leaking detection technique field, specially a kind of gas pipeline leakage detection alarm dress
It sets.
Background technique
Gas fuel is earliest widely used one kind in various alternative fuel, but natural gas is reached the air clock Chinese is good
It can make one to suffocate afterwards to a certain extent, and natural gas is when concentration reaches certain ratio, it may occur that huge explosion, to people
Body impacts safely.
After natural gas line installation, need to carry out natural gas leaking detection, general gas pipeline leakage to pipeline
Warning device is detected when carrying out leak detection to natural gas line, usually device turns around around pipeline junction
It is detected, when encountering pipe leakage very little, because of air impact, detection device possibly can not detect leak condition, in addition,
User, which needs to hold detection device for a long time when detecting, to be detected, and excessive natural gas may be sucked, strong to the person
Health impacts.
Summary of the invention
The purpose of the present invention is to provide a kind of gas pipeline leakages to detect warning device, for overcoming in the prior art
Drawbacks described above.
A kind of gas pipeline leakage of embodiment according to the present invention detects warning device, including monitoring case, the prison
It is equipped on the right side of measuring tank and clamps case, the clamping case right side and the monitoring case left side are equipped with cavity, are equipped in the cavity
Pipeline is additionally provided with the sealing mechanism that can be sealed to the pipeline in the cavity, and the sealing mechanism ensure that device
The accuracy of leak detection, the cavity inner left wall connection in left side are equipped with connecting cavity, and being equipped with above the connecting cavity can be with
The testing agency whether pipeline leaks is detected, the testing agency includes the percussion for being fixedly mounted on the monitoring case top surface
Disk taps the percussion disk by the testing agency and generates the sound, to remind pipe leakage described in user；
The monitoring case right side fixed installation clamping plate symmetrical above and below, symmetrical above and below be equipped in the clamping case left side clamp
Chamber, the clamping plate are slidably installed with the clamping chamber, and being equipped in the clamping case can be by the clamping for clamping board clamping
Mechanism.
On that basis of the above technical scheme, the sealing mechanism is made of flange, seal groove and sealing block, and the flange is solid
Dingan County is on the pipeline, and connection is equipped with the seal groove before and after the cavity, is fixedly mounted on the seal groove close described
Block is sealed, the sealing block can be tightly attached on the pipeline, avoid the pipeline by the natural gas of the flange leakage from institute
State seal groove outflow.
On that basis of the above technical scheme, the testing agency is also made of storage chamber and eardrum, the storage chamber connection
It is arranged below the connecting cavity, the eardrum is fixedly mounted between the storage chamber bottom wall and the monitoring case bottom surface.
On that basis of the above technical scheme, eccentric wheel chamber, the eccentric wheel chamber and the connection are set above the connecting cavity
It is rotatablely installed rotating bar between chamber, is located in the connecting cavity in the rotating bar and two rotating discs is fixedly mounted.
On that basis of the above technical scheme, connection is equipped with mobile cavity, sliding in the mobile cavity on the right side of the eccentric wheel chamber
Movable block is installed, spring, the rotating bar top is fixedly mounted between inner wall on the right side of the movable block right side and the mobile cavity
Eccentric wheel is fixedly mounted in face, and connection is equipped with rack chamber above the mobile cavity, and be slidably installed rack gear in the rack chamber, the tooth
Item is fixedly connected with the movable block, and connection is equipped with compensated cavity on the left of the rack chamber, and the rack gear extends through described to the left
Inner wall on the right side of compensated cavity, the rack gear left side are fixedly mounted auxiliary block, button are fixedly mounted on inner wall on the right side of the compensated cavity,
Flashing lamp is fixedly mounted in the monitoring case left side.
On that basis of the above technical scheme, connection is equipped with power cavity above the rack chamber, is equipped on rear side of the power cavity
Drive cavity, is rotatablely installed power rail between the drive cavity and the power cavity, the power rail leading flank is fixedly mounted first
Gear, the first gear are engaged with the rack gear, and second gear is fixedly mounted in the power rail trailing flank, and the power cavity is right
Side is equipped with hinge cavity, and connecting rod, the fixed peace in the connecting rod trailing flank are rotatablely installed between the hinge cavity and the drive cavity
Third gear is filled, transmission installation chain between the third gear and the second gear, the fixed peace of the connecting rod leading flank
Fast pulley is filled, the fast pulley leading flank hingedly installs hinge bar, is slidably installed in the hinge cavity roof through the monitoring
The mobile bar of case top surface, the mobile bar are hingedly installed with the hinge bar.
On that basis of the above technical scheme, rattle balls are fixedly mounted in the mobile bar top surface, and the mobile bar moves up and down
The rattle balls are driven to move up and down, the rattle balls tap disk and issue sound prompting user.
On that basis of the above technical scheme, the clamp system is by engagement chamber, rotary knob rod, knob, first bevel gear, screw thread
Chamber, threaded block, threaded hole, threaded rod, second bevel gear and rubber block composition, the engagement chamber are arranged in the clamping case,
Rotational installation runs through the rotary knob rod for clamping case right side, the rotary knob rod right side in inner wall on the right side of the engagement chamber
The knob is fixedly mounted, the first bevel gear is fixedly mounted in the rotary knob rod left side, and the engagement chamber is symmetrical above and below to be set
There is the thread cavity, be slidably installed the threaded block in the thread cavity, and the threaded hole, the spiral shell are equipped in the threaded block
Line chamber is rotatablely installed the threaded rod with described engage between chamber, the threaded rod and the threaded hole screw thread are installed, the spiral shell
It is located at the intracavitary fixed installation second bevel gear of the engagement on rasp bar, the second bevel gear is engaged with the rotary knob rod,
Blob of viscose described in rubber is fixedly mounted on the threaded block.
The beneficial effects of the present invention are: the present invention passes through the cooperation of sealing mechanism and clamp system, so that device is carrying out
When gas pipeline leakage detects, prevents the natural gas of leakage from flowing out from device, ensured that user is leaking
Personal health during detection also ensures the accuracy of device detection, and the situation hair very small in pipe leakage
When raw, whether can be heaved by the eardrum in observation testing agency, to judge that natural gas line with the presence or absence of leakage, avoids
When gas pipeline leakage is very small, the case where not measuring leakage generation is examined, is worthy to be popularized.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic cross-sectional view in the direction A-A in Fig. 1；
Fig. 3 is the schematic cross-sectional view in the direction B-B in Fig. 1；
Fig. 4 is the enlarged diagram in Fig. 1 at C；
Fig. 5 is the enlarged diagram in Fig. 1 at D.
Specific embodiment
Below with reference to Fig. 1-5, the present invention is described in detail, for sake of convenience, now such as to hereafter described orientation regulation
Under: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
Referring to Fig.1-5, a kind of gas pipeline leakage of embodiment according to the present invention detects warning device, including monitoring
Case 11 is equipped on the right side of the monitoring case 11 and clamps case 35, and 35 right side of clamping case and 11 left side of the monitoring case are equipped with
Cavity 23 is equipped with pipeline 21 in the cavity 23, be additionally provided in the cavity 23 pipeline 21 can be sealed it is close
Sealing mechanism 101, the sealing mechanism 101 ensure that the accuracy of device leak detection, 23 inner left wall of the cavity in left side
Connection is equipped with connecting cavity 18, and being equipped with above the connecting cavity 18 can detecte the testing agency 102 whether pipeline 21 leaks,
The testing agency 102 includes the percussion disk 38 for being fixedly mounted on 11 top surface of monitoring case, is struck by the testing agency 102
It hits the percussion disk 38 and generates the sound, it is right above and below 11 right side of monitoring case to remind pipeline 21 described in user to leak
Claim be fixedly mounted clamping plate 34,35 left sides of the clampings case it is symmetrical above and below be equipped with clamping chamber 32, the clamping plate 34 with it is described
Chamber 32 is clamped to be slidably installed, it is described to clamp the clamp system 103 that is equipped with and clamp the clamping plate 34 in case 35.
In addition, in one embodiment, the sealing mechanism 101 includes the flange being fixedly mounted on the pipeline 21
22, connection is equipped with seal groove 57 before and after the cavity 23, and sealing block 52, the sealing block 52 is fixedly mounted on the seal groove 57
It can be tightly attached on the pipeline 21, the natural gas for avoiding the pipeline 21 from leaking by the flange 22 is from the seal groove 57
Outflow.
In addition, in one embodiment, the testing agency 102 further includes that connection is arranged in below the connecting cavity 18
Eardrum 20 is fixedly mounted between 11 bottom surface of 19 bottom wall of storage chamber and the monitoring case for storage chamber 19, thus when in pipeline 21
Natural gas leaking it is slow when, natural gas by connecting cavity 18 enter storage chamber 19 in, after a period of time, eardrum can be made
20 heave, and can detecte out pipeline 21 has natural gas leaking.
In addition, in one embodiment, set eccentric wheel chamber 15 above the connecting cavity 18, the eccentric wheel chamber 15 with it is described
It is rotatablely installed rotating bar 16 between connecting cavity 18, is located in the connecting cavity 18 in the rotating bar 16 and two rotations is fixedly mounted
Disk 17, so that natural gas flow will drive the rotation of rotating disc 17, rotating disc 17 when the natural gas leaking amount in pipeline 21 is slightly larger
Rotation will drive the rotation of rotating bar 16, so that rotating bar 16 is that the testing agency 102 provides power.
It is equipped with mobile cavity 58 in addition, being connected in one embodiment, on the right side of the eccentric wheel chamber 15, in the mobile cavity 58
Be slidably installed movable block 13, and spring 40 is fixedly mounted between 58 right side inner wall of 13 right side of movable block and the mobile cavity,
Eccentric wheel 14 is fixedly mounted in 16 top surface of rotating bar, and connection is equipped with rack chamber 39, the rack chamber above the mobile cavity 58
Be slidably installed rack gear 56 in 39, and the rack gear 56 is fixedly connected with the movable block 13, is connected to and is equipped on the left of the rack chamber 39
Compensated cavity 53, the rack gear 56 extend through the 53 right side inner wall of compensated cavity to the left, and 56 left side of rack gear is fixedly mounted
Auxiliary block 54, button 55 is fixedly mounted on the 53 right side inner wall of compensated cavity, and flashing is fixedly mounted in 11 left side of monitoring case
Lamp 12, so that rotating bar 16 is rotated with movable eccentric wheel 14 when rotating bar 16 rotates, eccentric wheel 14 and spring 40 cooperate so that moving
Motion block 13 moves left and right, and movable block 13 moves left and right band carry-over bar 56 and moves left and right, so that the continuous push button 55 of auxiliary block 54,
The opening and closing of flashing lamp 12 is controlled, by button 55 to remind the natural gas leaking in user's pipeline 21.
In addition, in one embodiment, connection is equipped with power cavity 42,42 rear side of power cavity above the rack chamber 39
Equipped with drive cavity 51, power rail 41,41 front side of power rail are rotatablely installed between the drive cavity 51 and the power cavity 42
First gear 43 is fixedly mounted in face, and the first gear 43 is engaged with the rack gear 56, the fixed peace in 41 trailing flank of power rail
Second gear 50 is filled, hinge cavity 45 is equipped on the right side of the power cavity 42, is rotated between the hinge cavity 45 and the drive cavity 51
Connecting rod 47 is installed, third gear 48, the third gear 48 and second tooth is fixedly mounted in 47 trailing flank of connecting rod
Fast pulley 46,46 leading flank of fast pulley is fixedly mounted in transmission installation chain 49,47 leading flank of connecting rod between wheel 50
It is hinged that hinge bar 44 is installed, it is slidably installed in 45 roof of hinge cavity through the mobile bar 36 of 11 top surface of monitoring case, institute
The hingedly installation of mobile bar 36 and the hinge bar 44 is stated, so that rack gear 56 passes through the first tooth while rack gear 56 moves left and right
Wheel 43 drives power rail 41 and second gear 50 to rotate, and second gear 50 drives third gear 48 and connecting rod 47 by chain 49
Rotation, connecting rod 47 drive the rotation of fast pulley 46 to provide power for the movement of mobile bar 36.
In addition, in one embodiment, rattle balls 37, about 36 mobile bar is fixedly mounted in 36 top surface of mobile bar
Mobile that the rattle balls 37 is driven to move up and down, the rattle balls 37 tap the sending sound of disk 38 and remind user.
In addition, in one embodiment, the clamp system 103 includes the engagement chamber being arranged in the clamping case 35
59, the interior rotational installation of engagement 59 right side inner wall of chamber is through the rotary knob rod 25 for clamping 35 right side of case, the rotary knob rod
25 right sides are fixedly mounted knob 26, and 25 left side of rotary knob rod is fixedly mounted first bevel gear 24, on the engagement chamber 59
Under be symmetrically arranged with thread cavity 28, be slidably installed threaded block 31 in the thread cavity 28, threaded hole 30 is equipped in the threaded block 31,
The thread cavity 28 engages rotational installation threaded rod 29 between chamber 59, the threaded rod 29 and 30 screw thread of threaded hole with described
Installation is located on the threaded rod 29 in the engagement chamber 59 and second bevel gear 27 is fixedly mounted, the second bevel gear 27 and
The rotary knob rod 25 engages, and rubber block 33 is fixedly mounted on the threaded block 31, to clamp in chamber 32 when clamping plate 34 enters
Afterwards, rotary knob rod 25 is driven to rotate by turning knob 26, the rotation of rotary knob rod 25 drives first bevel gear 24 to rotate, first bevel gear
24 drive threaded rod 29 to rotate by second bevel gear 27, and threaded rod 29 rotates so that threaded block 31 is mobile, and passes through rubber
Block 33 increases frictional force, limits the movement of clamping plate 34.
When use, the natural gas that sealing mechanism 101 avoids the pipeline 21 from leaking by the flange 22 is from described
Seal groove 57 flows out, and when the natural gas leaking in pipeline 21 is slow, natural gas is entered in storage chamber 19 by connecting cavity 18, warp
After a period of time, eardrum 20 can be made to heave, can detecte out pipeline 21 has natural gas leaking, the natural gas in pipeline 21
When leakage rate is slightly larger, natural gas flow will drive the rotation of rotating disc 17, and the rotation of rotating disc 17 will drive the rotation of rotating bar 16, rotation
Bar 16 is rotated with movable eccentric wheel 14, so that movable block 13 moves left and right, movable block 13 or so is moved for eccentric wheel 14 and the cooperation of spring 40
Dynamic band carry-over bar 56 moves left and right, so that the continuous push button 55 of auxiliary block 54, the opening and closing of flashing lamp 12 is controlled by button 55,
The natural gas leaking in user's pipeline 21 is reminded, power rail 41 and second tooth are driven by first gear 43 with hour rack 56
50 rotation of wheel, second gear 50 drive third gear 48 and connecting rod 47 to rotate by chain 49, and the rotation of connecting rod 47 drives solid
Fixed wheel 46 rotates, and fast pulley 46 drives rattle balls 37 to move up and down by hinge bar 44, so that rattle balls 37 tap disk 38
It issues the sound and reminds user, after clamping plate 34, which enters, to be clamped in chamber 32, drive rotary knob rod 25 to rotate by turning knob 26,
The rotation of rotary knob rod 25 drives first bevel gear 24 to rotate, and first bevel gear 24 drives 29 turns of threaded rod by second bevel gear 27
Dynamic, threaded rod 29 rotates so that threaded block 31 is mobile, and by the increase frictional force of rubber block 33, limits the shifting of clamping plate 34
It is dynamic.
The beneficial effects of the present invention are: the present invention passes through the cooperation of sealing mechanism and clamp system, so that device is carrying out
When gas pipeline leakage detects, prevents the natural gas of leakage from flowing out from device, ensured that user is leaking
Personal health during detection also ensures the accuracy of device detection, and the situation hair very small in pipe leakage
When raw, whether can be heaved by the eardrum in observation testing agency, to judge that natural gas line with the presence or absence of leakage, avoids
When gas pipeline leakage is very small, the case where not measuring leakage generation is examined, is worthy to be popularized.
Those skilled in the art can define, can in the case of not departing from overall spirit of the invention and design
To make the various modifications for above embodiments.It falls within the scope of protection of the present invention.Protection scheme of the invention
It is subject to claims appended hereto.
Claims (8)
1. a kind of gas pipeline leakage detects warning device, including monitoring case, it is characterised in that: be equipped on the right side of the monitoring case
Case is clamped, the clamping case right side and the monitoring case left side are equipped with cavity, are equipped with pipeline, the cavity in the cavity
It is inside additionally provided with the sealing mechanism that can be sealed to the pipeline, the sealing mechanism ensure that the accurate of device leak detection
Property, the cavity inner left wall connection in left side is equipped with connecting cavity, and being equipped with above the connecting cavity can detecte the pipeline and be
The testing agency of no leakage, the testing agency include the percussion disk for being fixedly mounted on the monitoring case top surface, pass through the inspection
It surveys mechanism and taps the percussion disk generation sound, to remind pipe leakage described in user；
The monitoring case right side fixed installation clamping plate symmetrical above and below, symmetrical above and below be equipped in the clamping case left side clamp
Chamber, the clamping plate are slidably installed with the clamping chamber, and being equipped in the clamping case can be by the clamping for clamping board clamping
Mechanism.
2. a kind of gas pipeline leakage according to claim 1 detects warning device, it is characterised in that: the sealer
Structure is made of flange, seal groove and sealing block；
The flange is fixedly mounted on the pipeline, is connected to before and after the cavity and is equipped with the seal groove, on the seal groove
The close envelope block is fixedly mounted, the sealing block can be tightly attached on the pipeline, and the pipeline is avoided to let out by the flange
The natural gas of leakage is flowed out from the seal groove.
3. a kind of gas pipeline leakage according to claim 1 detects warning device, it is characterised in that: the detection machine
Structure is also made of storage chamber and eardrum；
The storage chamber connection is arranged below the connecting cavity, fixed between the storage chamber bottom wall and the monitoring case bottom surface
The eardrum is installed.
4. a kind of gas pipeline leakage according to claim 1 detects warning device, it is characterised in that: the connecting cavity
Top sets eccentric wheel chamber, and rotating bar is rotatablely installed between the eccentric wheel chamber and the connecting cavity, is located at institute in the rotating bar
It states and two rotating discs is fixedly mounted in connecting cavity.
5. a kind of gas pipeline leakage according to claim 1 detects warning device, it is characterised in that: the eccentric wheel
Connection is equipped with mobile cavity on the right side of chamber, and be slidably installed movable block, the movable block right side and the mobile cavity in the mobile cavity
Spring is fixedly mounted between the inner wall of right side, eccentric wheel is fixedly mounted in the rotating bar top surface, and connection is equipped with above the mobile cavity
Rack chamber, be slidably installed in the rack chamber rack gear, and the rack gear is fixedly connected with the movable block, connects on the left of the rack chamber
Logical to be equipped with compensated cavity, the rack gear extends through inner wall on the right side of the compensated cavity to the left, and the rack gear left side is fixedly mounted auxiliary
Block is helped, button is fixedly mounted on the right side of the compensated cavity on inner wall, flashing lamp is fixedly mounted in the monitoring case left side.
6. a kind of gas pipeline leakage according to claim 1 detects warning device, it is characterised in that: the rack chamber
Top connection is equipped with power cavity, is equipped with drive cavity on rear side of the power cavity, peace is rotated between the drive cavity and the power cavity
Power rail is filled, first gear is fixedly mounted in the power rail leading flank, and the first gear is engaged with the rack gear, the power
Second gear is fixedly mounted in bar trailing flank, hinge cavity is equipped on the right side of the power cavity, between the hinge cavity and the drive cavity
Be rotatablely installed connecting rod, the connecting rod trailing flank is fixedly mounted third gear, the third gear and the second gear it
Between transmission installation chain, fast pulley is fixedly mounted in the connecting rod leading flank, and the fast pulley leading flank hingedly installs hinge bar,
It is slidably installed in the hinge cavity roof through the mobile bar of the monitoring case top surface, the mobile bar and the hinge bar are hinged
Installation.
7. a kind of gas pipeline leakage according to claim 1 detects warning device, it is characterised in that: the mobile bar
Rattle balls are fixedly mounted in top surface, and the mobile bar, which moves up and down, drives the rattle balls to move up and down, and the rattle balls are struck
It hits disk and issues sound prompting user.
8. a kind of gas pipeline leakage according to claim 1 detects warning device, it is characterised in that: the clamping machine
Structure is by engagement chamber, rotary knob rod, knob, first bevel gear, thread cavity, threaded block, threaded hole, threaded rod, second bevel gear and rubber
Blob of viscose composition；
The engagement chamber is arranged in the clamping case, and rotational installation is right through the clamping case in inner wall on the right side of the engagement chamber
The knob is fixedly mounted in the rotary knob rod of side, the rotary knob rod right side, and institute is fixedly mounted in the rotary knob rod left side
First bevel gear is stated, the engagement chamber is symmetrical above and below to be equipped with the thread cavity, and be slidably installed the threaded block in the thread cavity,
The threaded hole is equipped in the threaded block, the thread cavity is rotatablely installed the threaded rod with described engage between chamber, described
Threaded rod and the threaded hole screw thread are installed, and the intracavitary fixed installation of the engagement the second cone tooth is located on the threaded rod
Wheel, the second bevel gear are engaged with the rotary knob rod, and blob of viscose described in rubber is fixedly mounted on the threaded block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403784.5A CN110159931B (en) | 2019-05-15 | 2019-05-15 | Natural gas line leakage detection alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403784.5A CN110159931B (en) | 2019-05-15 | 2019-05-15 | Natural gas line leakage detection alarm device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110159931A true CN110159931A (en) | 2019-08-23 |
| CN110159931B CN110159931B (en) | 2020-12-22 |
Family
ID=67634641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910403784.5A Active CN110159931B (en) | 2019-05-15 | 2019-05-15 | Natural gas line leakage detection alarm device |
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| Country | Link |
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| CN (1) | CN110159931B (en) |
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| CN110657353A (en) * | 2019-10-09 | 2020-01-07 | 重庆花想容信息科技有限公司 | Emergency device for accidents in hydration workshop of thermal power plant |
| CN112253773A (en) * | 2020-09-23 | 2021-01-22 | 江苏理工学院 | Gate valve with automatic detection function |
| CN113280270A (en) * | 2021-05-18 | 2021-08-20 | 永高股份有限公司 | Pipeline leakage monitoring equipment based on Beidou satellite |
| CN113532765A (en) * | 2020-04-10 | 2021-10-22 | 浙江省海洋水产研究所 | Gas path gas leakage detection structure and method for chromatograph |
| CN113719762A (en) * | 2021-08-23 | 2021-11-30 | 刘淑琴 | Natural gas line leakage detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112253773A (en) * | 2020-09-23 | 2021-01-22 | 江苏理工学院 | Gate valve with automatic detection function |
| CN113280270A (en) * | 2021-05-18 | 2021-08-20 | 永高股份有限公司 | Pipeline leakage monitoring equipment based on Beidou satellite |
| CN113719762A (en) * | 2021-08-23 | 2021-11-30 | 刘淑琴 | Natural gas line leakage detection device |
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| Publication number | Publication date |
|---|---|
| CN110159931B (en) | 2020-12-22 |
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