CN110985889A - Intelligent household gas pipeline control system - Google Patents

Intelligent household gas pipeline control system Download PDF

Info

Publication number
CN110985889A
CN110985889A CN201911351421.8A CN201911351421A CN110985889A CN 110985889 A CN110985889 A CN 110985889A CN 201911351421 A CN201911351421 A CN 201911351421A CN 110985889 A CN110985889 A CN 110985889A
Authority
CN
China
Prior art keywords
space
pipeline
gas
box body
pressure sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911351421.8A
Other languages
Chinese (zh)
Inventor
不公告发明人
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.)
Zhuji Xiangbo Smart Home Technology Co Ltd
Original Assignee
Zhuji Xiangbo Smart Home Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuji Xiangbo Smart Home Technology Co Ltd filed Critical Zhuji Xiangbo Smart Home Technology Co Ltd
Priority to CN201911351421.8A priority Critical patent/CN110985889A/en
Publication of CN110985889A publication Critical patent/CN110985889A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/02Preventing, monitoring, or locating loss
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/12Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/16Combustible gas alarms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The invention discloses an intelligent household gas pipeline control system which comprises a connecting box body capable of being fixed on a gas conveying pipeline, wherein a protective shell is fixedly arranged on the outer side of a gear shaft, when gas leakage occurs, the volume pressure in a sealing diaphragm is increased, the balance between an upper spring and a lower spring is damaged, a pressure sensor on the upper side is pressed, a sliding plate controls an alarm to give an alarm, the alarm is transmitted to a mobile terminal through a networking module to control the on-off of the gas, the gas leakage can be detected, the leaked gas is isolated from the external environment, the gas leakage can be completely inhibited, the gas leakage can be detected in real time, the alarm operation can be performed after the gas leakage, and the leakage amount can be controlled according to the actual condition.

Description

Intelligent household gas pipeline control system
Technical Field
The invention relates to the field of intelligent home furnishing, in particular to an intelligent home furnishing gas pipeline control system.
Background
The intelligent home is embodied in an internet manner under the influence of the internet, gas in modern society is used as energy for a plurality of families, but when the living needs of people are guaranteed, the gas is toxic, the gas leakage can affect the living of the families, at present, although a plurality of gas leakage detection devices are arranged, the gas leakage cannot be inhibited, the gas leakage occurs under the condition of no awareness, the real-time detection cannot be realized, the total amount and the flow of the gas after being used are measured and calculated through a mechanical meter, and the measured and calculated data cannot be accurately mastered.
Disclosure of Invention
The invention aims to provide an intelligent household gas pipeline control system which is used for overcoming the defects in the prior art.
According to the embodiment of the invention, the intelligent household gas pipeline control system comprises a connecting box body which can be fixed on a gas conveying pipeline, a protective shell is fixedly arranged on the outer side of a gear shaft, a protective space is defined between the protective shell and the connecting box body, a protective component which can detect and prevent gas leakage in the connecting box body is arranged in the protective space, the protective component comprises a sealing diaphragm which completely seals the connecting box body, a sliding plate space communicated with the inside of the sealing diaphragm is arranged in the connecting box body, a sliding plate is arranged in the sliding plate space in a sliding manner, a pressure sensor is fixedly arranged on the top wall of the sliding plate space, an alarm is fixedly arranged on the left side surface of the protective shell, the sliding plate can extrude the pressure sensor through air pressure in the sealing diaphragm, when the pressure sensor is pressed, the air pressure in the sealing diaphragm is increased, the gas leakage is generated in the connecting box body, the pressure sensor transmits a signal to the alarm to give an alarm, a circulating pipeline communicated with the gas pipeline is arranged in the connecting box body, a control component capable of controlling the on-off of the gas is arranged in the circulating pipeline,
the control component comprises a control panel which is rotatably installed in the circulation pipeline, a meter which can detect the total amount of used coal gas and a flow meter which can detect the flow rate in the circulation pipeline are arranged in the circulation pipeline, a data processor is fixedly installed in the connection box body, the data processor is in signal connection with the meter, the flow meter and the pressure sensor, a networking module is fixedly installed in the connection box body, the networking module is in signal connection with the data processor, a display is fixedly installed on the left side face of the connection box body and is in electric signal connection with the data processor, and the networking module can transmit data in the data processor to the mobile terminal.
On the basis of the technical scheme, the protection part further comprises a detection pipeline which is arranged between the sealing diaphragm and the sliding plate space, the pressure sensors are fixedly arranged on the upper inner wall and the lower inner wall of the sliding plate space in a vertically symmetrical mode, the pressure value of each pressure sensor can be adjusted and arranged through the mobile terminal, the sliding plate is fixedly arranged on springs between the pressure sensors in a vertically symmetrical mode, and the springs on the upper side and the lower side can enable the position of the sliding plate to keep balance.
On the basis of the technical scheme, a connecting cavity is arranged in the connecting pipeline, an overflow pipeline is arranged between the connecting cavity and the circulating pipeline, a valve core cavity is arranged in the circulating pipeline, a one-way valve core is arranged in the valve core cavity in a sliding mode, a push plate is arranged in the valve core cavity in a sliding mode, a pushing spring is fixedly arranged between the push plate and the one-way valve core, a first permanent magnet is fixedly arranged in the bottom wall of the valve core cavity, a first electromagnet is fixedly arranged on the bottom surface of the push plate, and leaked gas in the sealing diaphragm can flow back into the circulating pipeline through the connecting cavity.
The control part is still including setting up connect the left gear space of box, the gear space with rotate between the gear shaft and install the gear shaft, the gear shaft with control panel fixed connection, be located on the gear shaft fixed mounting gear in the gear space, the upper and lower symmetry be equipped with on the upper and lower inner wall in gear space with the rack bar space that the gear space is linked together, slidable mounting rack bar in the rack bar space, the rack bar with gear engagement, fixed mounting second electro-magnet on the downside inner wall in rack bar space, fixed mounting second permanent magnet on the downside of rack bar.
On the basis of the technical scheme, a pushing ring space communicated with the circulating pipeline is arranged in the circulating pipeline, a motor is fixedly installed on the bottom wall of the pushing ring space, a threaded rod is fixedly installed on an output shaft of the motor, a pushing ring is installed in the pushing ring space in a sliding mode and is in threaded connection with the threaded rod, a fixing ring is fixedly installed in the circulating pipeline, an elastic valve is fixedly installed on the fixing ring, and the elastic valve is in sliding connection with the pushing ring.
The invention has the beneficial effects that: the gas leakage detection device can control the on-off of gas, can conveniently control the flow of the used gas when the gas is used, can detect the gas leakage, can isolate the leaked gas from the external environment, can completely inhibit the gas leakage, can detect the gas leakage in real time, can perform alarm operation after the gas leakage, can control the leakage amount according to the actual condition, and is worthy of popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic top view of the component fixing ring 34.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
Referring to fig. 1 to 3, an intelligent household gas pipeline control system according to an embodiment of the present invention includes a connection box 13 capable of being fixed on a gas pipeline, a protection casing 10 is fixedly disposed on an outer side of a gear shaft 33, a protection space 11 is defined between the protection casing 10 and the connection box 13, a protection component 80 capable of detecting and preventing gas leakage in the connection box 13 is disposed in the protection space 11, the protection component 80 includes a sealing diaphragm 16 completely sealing the connection box 13, a sled space 20 communicated with an inside of the sealing diaphragm 16 is disposed in the connection box 13, a sled 23 is slidably disposed in the sled space 20, a pressure sensor 22 is fixedly disposed on a top wall of the sled space 20, an alarm 19 is fixedly disposed on a left side surface of the protection casing 10, the sled 23 can press the pressure sensor 22 through air pressure in the sealing diaphragm 16, when the pressure sensor 22 is pressed, the air pressure in the sealing diaphragm 16 is increased, gas leaks in the connecting box body 13, the pressure sensor 22 transmits a signal to the alarm 19 to give an alarm, a circulating pipeline 14 communicated with the gas pipeline is arranged in the connecting box body 13, a control component 81 capable of controlling the on-off of the gas is arranged in the circulating pipeline 14,
the control component 81 comprises a control board 31 rotatably installed in the flow pipeline 14, a meter 30 capable of detecting the total amount of used gas and a flow meter 17 capable of detecting the flow rate in the flow pipeline 14 are arranged in the flow pipeline 14, a data processor 29 is fixedly installed in the connecting box 13, the data processor 29 is in signal connection with the meter 30, the flow meter 17 and the pressure sensor 22, a networking module 26 is fixedly installed in the connecting box 13, the networking module 26 is in signal connection with the data processor 29, a display 28 is fixedly installed on the left side surface of the connecting box 13, the display 28 is in electrical signal connection with the data processor 29, and the networking module 26 can transmit the data in the data processor 29 to a mobile terminal.
In addition, in one embodiment, the protection component 80 further includes a detection pipe 18 disposed in the sealing diaphragm 16 and between the sliding plate space 20, the pressure sensors 22 are vertically symmetrically and fixedly mounted on the upper and lower inner walls of the sliding plate space 20, the pressure value of the pressure sensor 22 can be adjusted and set by the mobile terminal, the springs 21 are vertically symmetrically and fixedly mounted between the sliding plate 23 and the pressure sensor 22, the springs 21 on the upper and lower sides can keep the position of the sliding plate 23 balanced, when gas leakage occurs, the rated pressure in the sealing diaphragm 16 increases, the balance between the upper and lower springs 21 is broken, the pressure sensor 22 on the upper side is pressed, and the sliding plate 23 controls the alarm 19 to give an alarm and transmits the alarm to the mobile terminal through the networking module 26.
In addition, in one embodiment, a connection cavity 40 is arranged in the connection pipe 12, an overflow pipe 15 is arranged between the connection cavity 40 and the circulation pipe 14, a valve core cavity 41 is arranged in the circulation pipe 14, a one-way valve core 42 is slidably mounted in the valve core cavity 41, a push plate 44 is slidably mounted in the valve core cavity 41, a push spring 43 is fixedly mounted between the push plate 44 and the one-way valve core 42, a first permanent magnet 46 is fixedly mounted in the bottom wall of the valve core cavity 41, a first electromagnet 45 is fixedly mounted on the bottom surface of the push plate 44, leaked gas in the sealing diaphragm 16 can flow back into the circulation pipe 14 through the connection cavity 40, when the first permanent magnet 46 is energized, the first permanent magnet 46 can push the first electromagnet 45 and the push plate 44 to slide upwards, so that the push spring 43 presses the one-way valve core 42 upwards, and the gas pressure value in the sealing diaphragm 16 can be, it is ensured that no alarm will be generated in case of a small range of leakage, increasing the current to the first permanent magnet 46 may increase the elastic force of the push spring 43, so that the air pressure in the sealing diaphragm 16 may be increased.
In addition, in an embodiment, the control part 81 further includes a gear space 25 disposed on the left side of the connection box body 13, the gear space 25 and the gear shaft 33 are rotatably installed with the gear shaft 33 therebetween, the gear shaft 33 and the control board 31 are fixedly connected, the gear shaft 33 is located on the gear shaft 32 and is fixedly installed with the gear 32 in the gear space 25, rack bar spaces 50 communicated with the gear space 25 are symmetrically arranged on the upper and lower inner walls of the gear space 25 in an up-and-down manner, the rack bars 24 are slidably installed in the rack bar spaces 50, the rack bars 24 are engaged with the gear 32, the second electromagnet 27 is fixedly installed on the lower inner wall of the rack bar spaces 50, the second permanent magnet 51 is fixedly installed on the lower side surface of the rack bars 24, when the gas is used, the second electromagnet 27 is electrified, and the second permanent magnet 51 and the rack bars 24 are upwardly moved by the second electromagnet 27, the rack bar 24 drives the gear 32 and the gear shaft 33 to rotate upwards, and the gear shaft 33 drives the control plate 31 to rotate, so that the circulating pipeline 14 can be opened, and the gas can be circulated for use.
In addition, in one embodiment, a pushing ring space 35 communicated with the flow pipe 14 is arranged in the flow pipe 14, a motor 39 is fixedly installed on the bottom wall of the pushing ring space 35, a threaded rod 38 is fixedly installed on the output shaft of the motor 39, a pushing ring 37 is slidably installed in the pushing ring space 35, the pushing ring 37 is in threaded connection with the threaded rod 38, a fixing ring 34 is fixedly installed in the flow pipe 14, an elastic valve 36 is fixedly installed on the fixing ring 34, the elastic valve 36 is in sliding connection with the pushing ring 37, when the flow rate of the used gas needs to be adjusted, the motor 39 is started, the motor 39 drives the threaded rod 38 to rotate, the threaded rod 38 rotates to drive the pushing ring 37 to move upwards, the pushing ring 37 can push the elastic valve 36 to contract upwards, so that the flow rate in the flow pipe 14 is reduced, and when the pushing ring 37 moves downwards, the flexible valve 36 can be deployed to increase the flow rate in the flow conduit 14.
The connecting box body 13 is arranged on a conveying pipeline of gas, when the gas is used, the second electromagnet 27 is electrified, the second electromagnet 27 upwards pushes the second permanent magnet 51 and the rack bar 24 to move upwards, the rack bar 24 upwards drives the gear 32 and the gear shaft 33 to rotate, the gear shaft 33 drives the control plate 31 to rotate, the circulating pipeline 14 can be opened, so that the gas can be circulated and used, the motor 39 is started, the motor 39 drives the threaded rod 38 to rotate, the threaded rod 38 rotates to drive the pushing ring 37 to move upwards, the pushing ring 37 upwards can push the elastic valve 36 to contract, so that the flow in the circulating pipeline 14 is reduced, when the pushing ring 37 moves downwards, the elastic valve 36 can be unfolded, so that the flow in the circulating pipeline 14 is increased, the meter 30 can measure the total amount of the used gas, the flow meter 17 can detect the flow of the gas passing through the circulating pipeline 14, and the data detected by the meter 30 and the flow meter 17 are transmitted to the data processor, the data processor 29 communicates the data to the display 28 for display, to the networking module 26, to enable the networking module 26 to communicate to the mobile terminal,
when gas leakage occurs, the gas pressure in the sealing diaphragm 16 increases, the balance between the upper spring 21 and the lower spring 21 is broken, the pressure sensor 22 on the upper side is pressed, the sliding plate 23 controls the alarm 19 to give an alarm and transmits the alarm to the mobile terminal through the networking module 26, the leaked gas in the sealing diaphragm 16 can flow back to the circulating pipeline 14 through the connecting cavity 40,
when the value of the detected leakage amount needs to be adjusted, firstly, when the first permanent magnet 46 is electrified, the first permanent magnet 46 can push the first electromagnet 45 and the push plate 44 to slide upwards, so that the push spring 43 presses the check valve core 42 upwards, the air pressure value in the sealing diaphragm 16 can be increased, the current to the first permanent magnet 46 can be increased to increase the elastic force of the push spring 43, so that the air pressure in the sealing diaphragm 16 can be increased, the detected pressure value of the pressure sensor 22 is adjusted, and after the air pressure is increased relatively and under the condition that the leakage is not generated, the alarm cannot be generated due to the increase of the air pressure, but the alarm can be generated after the set value is reached.
The invention has the beneficial effects that: the gas leakage detection device can control the on-off of gas, can conveniently control the flow of the used gas when the gas is used, can detect the gas leakage, can isolate the leaked gas from the external environment, can completely inhibit the gas leakage, can detect the gas leakage in real time, can perform alarm operation after the gas leakage, can control the leakage amount according to the actual condition, and is worthy of popularization.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims (5)

1. The utility model provides an intelligent house gas pipeline control system, is including fixing the connection box on the pipeline of coal gas, the outside of gear shaft is fixed and is equipped with the protective housing, its characterized in that: a protection space is enclosed between the protective shell and the connecting box body, a protection component capable of detecting and preventing gas leakage in the connecting box body is arranged in the protection space, the protection component comprises a sealing diaphragm which completely seals the connecting box body, a sliding plate space communicated with the inside of the sealing diaphragm is arranged in the connecting box body, a sliding plate is arranged in the sliding plate space in a sliding manner, a pressure sensor is fixedly arranged on the top wall of the sliding plate space, an alarm is fixedly arranged on the left side surface of the protective shell, the sliding plate can extrude the pressure sensor through air pressure in the sealing diaphragm, when the pressure sensor is pressed, the air pressure in the sealing diaphragm is increased, gas leakage is caused in the connecting box body, the pressure sensor transmits a signal to the alarm to give an alarm, and a flow pipeline communicated with a gas pipeline is arranged in the connecting box body, a control component capable of controlling the on-off of the coal gas is arranged in the circulating pipeline,
the control component comprises a control panel which is rotatably installed in the circulation pipeline, a meter which can detect the total amount of used coal gas and a flow meter which can detect the flow rate in the circulation pipeline are arranged in the circulation pipeline, a data processor is fixedly installed in the connection box body, the data processor is in signal connection with the meter, the flow meter and the pressure sensor, a networking module is fixedly installed in the connection box body, the networking module is in signal connection with the data processor, a display is fixedly installed on the left side face of the connection box body and is in electric signal connection with the data processor, and the networking module can transmit data in the data processor to the mobile terminal.
2. The intelligent household gas pipeline control system according to claim 1, characterized in that: the protective part is still including the intercommunication setting in the sealed diaphragm with detection pipeline between the slide space, pressure sensor longitudinal symmetry fixed mounting be in on the upper and lower inner wall in slide space, pressure sensor's pressure value can be adjusted through mobile terminal and set up, the slide with longitudinal symmetry fixed mounting spring between the pressure sensor, the spring of upper and lower both sides can make the position holding balance of slide.
3. The intelligent household gas pipeline control system according to claim 1, characterized in that: the coal gas sealing diaphragm is characterized in that a connecting cavity is arranged in the connecting pipeline, an overflow pipeline is arranged between the connecting cavity and the circulating pipeline, a valve core cavity is arranged in the circulating pipeline, a one-way valve core is arranged in the valve core cavity in a sliding mode, a push plate is arranged in the valve core cavity in a sliding mode, a pushing spring is fixedly arranged between the push plate and the one-way valve core, a first permanent magnet is fixedly arranged in the bottom wall of the valve core cavity, a first electromagnet is fixedly arranged on the bottom surface of the push plate, and leaked coal gas in the sealing diaphragm can flow back into the circulating pipeline through the.
4. The intelligent household gas pipeline control system according to claim 1, characterized in that: the control part is still including setting up connect the left gear space of box, the gear space with rotate between the gear shaft and install the gear shaft, the gear shaft with control panel fixed connection, be located on the gear shaft fixed mounting gear in the gear space, the upper and lower symmetry be equipped with on the upper and lower inner wall in gear space with the rack bar space that the gear space is linked together, slidable mounting rack bar in the rack bar space, the rack bar with gear engagement, fixed mounting second electro-magnet on the downside inner wall in rack bar space, fixed mounting second permanent magnet on the downside of rack bar.
5. The intelligent household gas pipeline control system according to claim 1, characterized in that: the improved valve is characterized in that a pushing ring space communicated with the circulation pipeline is arranged in the circulation pipeline, a motor is fixedly mounted on the bottom wall of the pushing ring space, a threaded rod is fixedly mounted on an output shaft of the motor, a pushing ring is slidably mounted in the pushing ring space and is in threaded connection with the threaded rod, a fixing ring is fixedly mounted in the circulation pipeline, an elastic valve is fixedly mounted on the fixing ring, and the elastic valve is in sliding connection with the pushing ring.
CN201911351421.8A 2019-12-24 2019-12-24 Intelligent household gas pipeline control system Withdrawn CN110985889A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911351421.8A CN110985889A (en) 2019-12-24 2019-12-24 Intelligent household gas pipeline control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911351421.8A CN110985889A (en) 2019-12-24 2019-12-24 Intelligent household gas pipeline control system

Publications (1)

Publication Number Publication Date
CN110985889A true CN110985889A (en) 2020-04-10

Family

ID=70075038

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911351421.8A Withdrawn CN110985889A (en) 2019-12-24 2019-12-24 Intelligent household gas pipeline control system

Country Status (1)

Country Link
CN (1) CN110985889A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112902027A (en) * 2021-04-07 2021-06-04 济南盈晖建筑工程有限公司 Automatic gas leakage detection marking device for gas transmission pipeline
CN115711364A (en) * 2022-11-02 2023-02-24 广东工业大学 Structure capable of rapidly detecting leakage of hydrogen-doped natural gas

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112902027A (en) * 2021-04-07 2021-06-04 济南盈晖建筑工程有限公司 Automatic gas leakage detection marking device for gas transmission pipeline
CN112902027B (en) * 2021-04-07 2023-06-27 重庆龙冉能源科技有限公司 Automatic gas leakage detection marking device for gas pipeline
CN115711364A (en) * 2022-11-02 2023-02-24 广东工业大学 Structure capable of rapidly detecting leakage of hydrogen-doped natural gas
CN115711364B (en) * 2022-11-02 2024-03-08 广东工业大学 Structure capable of rapidly detecting leakage of hydrogen-doped natural gas

Similar Documents

Publication Publication Date Title
CN110985889A (en) Intelligent household gas pipeline control system
CN102538046B (en) Range hood capable of self-adaptively regulating rotating speed of fan
WO2011134363A1 (en) Household tap water monitor
CN103587665A (en) Device and method for buoyancy adjustment of deep sea glider
CN108612890A (en) A kind of safety monitoring system of family's fuel gas pipeline
CN107748533B (en) The prior-warning device of water quality is monitored in river
CN203730348U (en) Current pressure controller of water pump based on ceramic pressure sensor
CN116212298A (en) Fire hydrant water pressure detection device
CN203148480U (en) Ultrasound gas meter
CN110702184A (en) NB-IOT (network b-internet of things) valve control vertical water meter
CN215868116U (en) Household gas pipeline detection alarm device
CN209892837U (en) Canned liquefied gas detector device with alarm function
CN213687009U (en) Leak protection monitoring device that heating system used
CN208937576U (en) A kind of water pollutant detection device
CN103616120B (en) Liquid level type pipeline pressure detection device
CN105180263A (en) Multifunction integration and intelligent heating valve
CN111853556A (en) Pipeline safety valve and control method thereof
CN212432229U (en) Remote control valve intelligent gas meter
CN216206676U (en) Wisdom water utilities engineering is with electromagnetic flowmeter who can long-range flow control
CN214224243U (en) Dry-type gas flowmeter control system
CN219417504U (en) Water flow sensor
CN209946196U (en) Device for detecting rotation of valve rod shaft by magnetic switch
CN210322141U (en) Novel area press and detect device
CN213579982U (en) Valve leakage detection device
CN218413598U (en) Integrated water control machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20200410

WW01 Invention patent application withdrawn after publication