CN112071039A - Gas supply safety protection device for gas combustion based on information technology - Google Patents
Gas supply safety protection device for gas combustion based on information technology Download PDFInfo
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- CN112071039A CN112071039A CN202010881384.8A CN202010881384A CN112071039A CN 112071039 A CN112071039 A CN 112071039A CN 202010881384 A CN202010881384 A CN 202010881384A CN 112071039 A CN112071039 A CN 112071039A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- Business, Economics & Management (AREA)
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention relates to the technical field of gas supply protection, and discloses a gas supply safety protection device for gas combustion based on information technology, which comprises a box body, wherein a protection sleeve is fixedly connected to the right side of the inner bottom wall of the box body, a movable block is movably connected to the top of the protection sleeve, a motor is fixedly connected to the top of the protection sleeve, a rotating wheel is rotatably connected to the left side of the motor, a transverse plate is fixedly connected between the inner left wall of the box body and the left side of the protection sleeve, an inflation box is fixedly connected to the top of the transverse plate, a rotating shaft is rotatably connected to the inner left wall of the inflation box, a movable sleeve is sleeved on the right side of the rotating shaft, and. When the rotating wheel rotates, the air bag is inflated and expanded through the matching of the fixing rod, the movable sleeve, the rotating shaft and the spiral blade, so that the effect that the protective sleeve is blocked by the rapid inflation and expansion of the air bag when gas leaks is achieved, the danger caused by the continuous leakage of the gas is avoided, and the maintenance time is provided for maintenance personnel.
Description
Technical Field
The invention relates to the technical field of gas supply protection, in particular to a gas supply safety protection device for gas combustion based on an information technology.
Background
The burner is a general term for a device which sprays and mixes fuel and air in a certain way, and in a broad burner concept, a household water heater, a gas stove, even a lighter and the like can be considered as one of the burners, and gas is popular with people because of the advantages of being economical and efficient, and more people begin to use gas with the construction of a large number of residential areas.
After the gas equipment is used for a long time, the gas supply pipeline interface is aged and has the risk of gas leakage, so that a gas supply protective device needs to be installed at the gas supply pipeline interface, the protective effect of a common gas supply protective device is poor, and only the function of reminding residents of gas leakage of the gas supply pipeline interface is achieved, so that the gas supply safety protective device for gas combustion based on the information technology is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an information technology-based gas supply safety protection device for gas combustion, which has the advantages that a resident can be reminded after gas leakage occurs at a gas supply pipeline interface, the gas leakage position can be blocked by utilizing an air bag, maintenance time is provided for the resident, danger caused by gas leakage is avoided, and the problem that the gas leakage occurs at the gas supply pipeline interface of the resident is reminded only by the aid of a common gas supply protection device, the protection effect is poor.
(II) technical scheme
In order to realize the purposes that a resident can be reminded after gas leakage occurs at the gas supply pipeline interface, the gas leakage position can be blocked by utilizing the air bag, maintenance time is provided for the resident, and danger caused by gas leakage is avoided, the invention provides the following technical scheme: a gas supply safety protection device for gas combustion based on information technology comprises a box body, wherein a protective sleeve is fixedly connected to the right side of the inner bottom wall of the box body, a movable block is movably connected to the top of the protective sleeve, a motor is fixedly connected to the top of the protective sleeve, two fixed plates are fixedly connected to the bottom of the motor, a conductive plate is arranged above the movable block, a rotating wheel is rotatably connected to the left side of the motor, a sound wave plate is fixedly connected to the inner top wall of the box body, a transverse plate is fixedly connected between the inner left wall of the box body and the left side of the protective sleeve, an inflation box is fixedly connected to the top of the transverse plate, a rotating shaft is rotatably connected to the inner left wall of the inflation box, a movable sleeve is sleeved on the right side of the rotating shaft, an extrusion block is movably connected to the right side of the bottom of, a cross rod is arranged above the gear, a top rod is movably connected to the left side of the top of the cross rod, and an air bag is arranged at the bottom of the cross plate.
Preferably, two the equal fixedly connected with conducting strip of the opposite one side of fixed plate, the top of current conducting plate is provided with first spring, plays the effect of extrudeing the current conducting plate downwards, messenger's current conducting plate and conducting strip separation.
Preferably, the top and the bottom of the rotating wheel are fixedly connected with a shifting piece, when the shifting piece is in contact with the sound wave plate, the sound wave plate can make a sound, and the left side of the rotating wheel is fixedly connected with a fixing block.
Preferably, the part of the rotating shaft, which is located inside the inflation box, is provided with a helical blade, the helical blade is tightly attached to the inner wall of the inflation box, and when the rotating shaft drives the threaded blade to rotate, the rotating shaft can drive gas to move leftwards in the inflation box.
Preferably, the right side of the top of the inflation box is provided with an air inlet pipe, the left side of the bottom of the inflation box is provided with an air outlet pipe, the air outlet pipe is connected with the air bag, and the air inlet pipe and the air outlet pipe are respectively provided with a one-way valve, so that the gas in the inflation box can not flow from the air inlet pipe to the outside of the box body, and the gas in the air bag can not enter the inflation box from the air outlet.
Preferably, the left side fixedly connected with second spring of movable sleeve plays the effect of extruding the movable sleeve right, and the right side fixedly connected with dead lever of movable sleeve rotates through fixed block and dead lever drive movable sleeve when rotating the wheel and rotates, and movable sleeve left side part is the round platform shape, drives the movable sleeve and removes left when the ejector pin upwards extrudees the round platform shape part.
Preferably, the third spring has been cup jointed to the outside of montant, plays the effect of extrusion piece downwards, and the left side of montant and the bottom of horizontal pole all are provided with tooth, and all with gear engagement, move about the horizontal pole through the gear drive when montant reciprocates.
Preferably, the left side at the top of the cross rod is provided with a bulge, and the cross rod drives the ejector rod to move upwards through the bulge when moving leftwards.
(III) advantageous effects
Compared with the prior art, the invention provides an information technology-based gas supply safety protection device for gas combustion, which has the following beneficial effects:
1. this gas supply safety device for gas combustion based on information technology, after leaking gas through the gas supply line interface, the inside atmospheric pressure of protective sheath increases and drives the movable block upward movement, and the movable block drives the current conducting plate rebound and connects two conducting strips between two conducting strips, and then makes the motor circular telegram, and the motor drives the rotation wheel and rotates, and when the rotation wheel drove plectrum and sound wave piece contact, the sound was made to sound wave piece when having reached gas leakage and having sounded the effect of reminding the resident family.
2. This gas supply safety device for gas combustion based on information technology, when the rotation wheel rotates, drive the movable sleeve through fixed block and dead lever and rotate, and then drive pivot and helical blade and rotate, send external air into the gas tank through the intake pipe when helical blade rotates in, the gasbag is sent into to the rethread outlet duct, make the gasbag inflate the inflation, thereby the effect that the gasbag inflated the inflation fast and stopped up the protective sheath when having reached gas leakage, both avoided the gas to continue to leak and take place danger, also provided maintenance duration for the maintenance personal.
3. This gas supply safety device for gas combustion based on information technology, through in the gasbag saturation back upwards extrudees the piece into the diaphragm, and then drive montant rebound, it removes left to drive the horizontal pole through the gear, the horizontal pole drives the ejector pin rebound through the arch at its top and withstands the left round platform shape inclined plane of movable sleeve, and then drives the movable sleeve and remove left, make the dead lever on movable sleeve right side and the left fixed block separation of rotation wheel, pivot stall, thereby the inflation case stops gas filled effect after having reached the gasbag saturation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure B of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of structure C of FIG. 1 according to the present invention;
FIG. 5 is a schematic view of structure D of FIG. 1 according to the present invention.
In the figure: 1. a box body; 2. a protective sleeve; 3. a movable block; 4. a motor; 5. a fixing plate; 6. a conductive plate; 7. a rotating wheel; 8. an acoustic wave plate; 9. a transverse plate; 10. an air-filled tank; 11. a rotating shaft; 12. a movable sleeve; 13. extruding the block; 14. a vertical rod; 15. a gear; 16. a cross bar; 17. a top rod; 18. an air bag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a gas supply safety device for gas combustion based on information technology, comprising a box body 1, a protective sleeve 2 fixedly connected to the right side of the inner bottom wall of the box body 1, a movable block 3 movably connected to the top of the protective sleeve 2, a motor 4 fixedly connected to the top of the protective sleeve 2, two fixed plates 5 fixedly connected to the bottom of the motor 4, a conductive plate 6 disposed above the movable block 3, conductive plates fixedly connected to opposite sides of the two fixed plates 5, a first spring disposed on the top of the conductive plate 6 for pressing the conductive plate 6 downward to separate the conductive plate 6 from the conductive plates, a rotating wheel 7 rotatably connected to the left side of the motor 4, a sound wave plate 8 fixedly connected to the inner top wall of the box body 1, and a dial plate fixedly connected to the top and the bottom of the rotating wheel 7 for making the sound wave plate 8 to make sound when the dial plate contacts with, and the left side of the rotating wheel 7 is fixedly connected with a fixed block.
A transverse plate 9 is fixedly connected between the inner left wall of the box body 1 and the left side of the protective sleeve 2, an inflation box 10 is fixedly connected at the top of the transverse plate 9, a rotating shaft 11 is rotatably connected at the inner left wall of the inflation box 10, a helical blade is arranged at the part of the rotating shaft 11 positioned in the inflation box 10 and is clung to the inner wall of the inflation box 10, when the rotating shaft 11 drives the helical blade to rotate, gas can be driven to move leftwards in the inflation box 10, a movable sleeve 12 is sleeved at the right side of the rotating shaft 11, a squeezing block 13 is movably connected at the right side of the bottom of the transverse plate 9, a vertical rod 14 is fixedly connected at the top of the squeezing block 13, a gear 15 is fixedly connected at the right side of the top of the transverse plate 9, a transverse rod 16 is arranged above the gear 15, a third spring is sleeved at the outer part of the vertical rod 14 and plays a role of squeezing the, the vertical rod 14 drives the cross rod 16 to move left and right through the gear 15 when moving up and down, the left side of the top of the cross rod 16 is movably connected with the ejector rod 17, the left side of the movable sleeve 12 is fixedly connected with the second spring to play a role of extruding the movable sleeve 12 rightwards, the right side of the movable sleeve 12 is fixedly connected with the fixed rod, the movable sleeve 12 is driven to rotate through the fixed block and the fixed rod when the rotating wheel 7 rotates, the left side of the movable sleeve 12 is in a round table shape, the ejector rod 17 drives the movable sleeve 12 to move leftwards when extruding the round table shape part upwards, the left side of the top of the cross rod 16 is provided with a bulge, the ejector rod 17 is driven to move upwards through the bulge when moving leftwards, the bottom of the cross plate 9 is provided with an air bag 18, the right side of the top of the air, the gas in the inflation box 10 can not enter the box body 1 from the gas inlet pipe, and the gas in the airbag 18 can not enter the inflation box 10 from the gas outlet pipe.
The working principle is as follows: when gas leakage occurs at the interface of the gas supply pipeline, the air pressure in the protective sleeve 2 is increased to drive the movable block 3 to move upwards, the movable block 3 drives the current-conducting plate 6 to move upwards between the two current-conducting plates, the two current-conducting plates are connected, the motor 4 is further electrified, the motor 4 drives the rotating wheel 7 to rotate, and the rotating wheel 7 drives the shifting piece to make a sound when being in contact with the sound wave piece 8, so that the effect that the sound wave piece 8 makes a sound to remind a resident when gas leakage occurs is achieved; when the rotating wheel 7 rotates, the movable sleeve 12 is driven to rotate through the fixed block and the fixed rod, so that the rotating shaft 11 and the spiral blade are driven to rotate, external air is sent into the inflating box 10 through the air inlet pipe when the spiral blade rotates, and then is sent into the air bag 18 through the air outlet pipe, so that the air bag 18 is inflated and expanded, the effect that the protective sleeve 2 is blocked by the rapid inflation and expansion of the air bag 18 when gas leaks is achieved, the danger caused by the continuous leakage of the gas is avoided, and the maintenance time is provided for maintenance personnel; after the air bag 18 is saturated, the extrusion block 13 is extruded upwards into the transverse plate 9, the vertical rod 14 is driven to move upwards, the gear 15 drives the transverse rod 16 to move leftwards, the transverse rod 16 drives the ejector rod 17 to move upwards through the bulge on the top of the transverse rod 16 to abut against the circular truncated cone-shaped inclined surface on the left side of the movable sleeve 12, the movable sleeve 12 is driven to move leftwards, the fixing rod on the right side of the movable sleeve 12 is separated from the fixing block on the left side of the rotating wheel 7, the rotating shaft 11 stops rotating, and therefore the effect that the air inflation of the air bag 18 is stopped by.
To sum up, this gas supply safety device for gas combustion based on information technology, after leaking gas through the gas supply line interface, the inside atmospheric pressure of protective sheath 2 increases and drives movable block 3 upward movement, and movable block 3 drives current conducting plate 6 rebound to between two conducting strips, connects two conducting strips, and then makes motor 4 circular telegram, and motor 4 drives and rotates wheel 7, and when rotating wheel 7 drives the plectrum and 8 contacts of sound wave piece, sound is produced to sound wave piece 8 produced the sound when having reached gas leakage reminds the effect of resident family.
When the rotating wheel 7 rotates, the movable sleeve 12 is driven to rotate through the fixed block and the fixed rod, the rotating shaft 11 and the spiral blade are further driven to rotate, external air is sent into the inflating box 10 through the air inlet pipe when the spiral blade rotates, and then sent into the air bag 18 through the air outlet pipe, so that the air bag 18 is inflated and expanded, the effect that the protective sleeve 2 is blocked by the rapid inflation and expansion of the air bag 18 when gas leaks is achieved, danger caused by continuous gas leakage is avoided, and maintenance time is provided for maintenance personnel.
After the air bag 18 is saturated, the extrusion block 13 is upwards extruded into the transverse plate 9, the vertical rod 14 is further driven to upwards move, the gear 15 drives the transverse rod 16 to move leftwards, the transverse rod 16 drives the ejector rod 17 to upwards move through the bulge at the top of the transverse rod to abut against the circular truncated cone-shaped inclined plane on the left side of the movable sleeve 12, the movable sleeve 12 is further driven to move leftwards, the fixing rod on the right side of the movable sleeve 12 is separated from the fixing block on the left side of the rotating wheel 7, the rotating shaft 11 stops rotating, the effect that the air inflation of the air bag 18 saturated rear inflation box 10 is stopped.
Having shown and described embodiments of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a gas combustion is with gas supply safety device based on information technology, includes box (1), its characterized in that: the right side of the bottom wall in the box body (1) is fixedly connected with a protective sleeve (2), the top of the protective sleeve (2) is movably connected with a movable block (3), the top of the protective sleeve (2) is fixedly connected with a motor (4), the bottom of the motor (4) is fixedly connected with two fixed plates (5), a conductive plate (6) is arranged above the movable block (3), the left side of the motor (4) is rotatably connected with a rotating wheel (7), the inner top wall of the box body (1) is fixedly connected with a sound wave plate (8), a transverse plate (9) is fixedly connected between the inner left wall of the box body (1) and the left side of the protective sleeve (2), the top of the transverse plate (9) is fixedly connected with an inflation box (10), the inner left wall of the inflation box (10) is rotatably connected with a rotating shaft (11), and the right side of the rotating shaft (, the right side swing joint of diaphragm (9) bottom has extrusion piece (13), the top fixedly connected with montant (14) of extrusion piece (13), the right side fixedly connected with gear (15) at diaphragm (9) top, the top of gear (15) is provided with horizontal pole (16), the left side swing joint at horizontal pole (16) top has ejector pin (17), the bottom of diaphragm (9) is provided with gasbag (18).
2. The gas supply safety protection device for gas combustion based on information technology as claimed in claim 1, characterized in that: two equal fixedly connected with conducting strip of fixed plate (5) one side in opposite directions, the top of conducting plate (6) is provided with first spring.
3. The gas supply safety protection device for gas combustion based on information technology as claimed in claim 1, characterized in that: the top and the bottom of the rotating wheel (7) are fixedly connected with shifting pieces, and the left side of the rotating wheel (7) is fixedly connected with a fixing block.
4. The gas supply safety protection device for gas combustion based on information technology as claimed in claim 1, characterized in that: the part of the rotating shaft (11) positioned in the inflating box (10) is provided with a helical blade, and the helical blade is tightly attached to the inner wall of the inflating box (10).
5. The gas supply safety protection device for gas combustion based on information technology as claimed in claim 1, characterized in that: an air inlet pipe is arranged on the right side of the top of the inflation box (10), an air outlet pipe is arranged on the left side of the bottom of the inflation box (10), the air outlet pipe is connected with the air bag (18), and check valves are arranged in the air inlet pipe and the air outlet pipe.
6. The gas supply safety protection device for gas combustion based on information technology as claimed in claim 1, characterized in that: the left side fixedly connected with second spring of movable sleeve (12), the right side fixedly connected with dead lever, and movable sleeve (12) left side part is round platform shape.
7. The gas supply safety protection device for gas combustion based on information technology as claimed in claim 1, characterized in that: the third spring has been cup jointed to the outside of montant (14), and the left side of montant (14) and the bottom of horizontal pole (16) all are provided with the tooth, and all mesh with gear (15).
8. The gas supply safety protection device for gas combustion based on information technology as claimed in claim 1, characterized in that: and a bulge is arranged on the left side of the top of the cross rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010881384.8A CN112071039A (en) | 2020-08-27 | 2020-08-27 | Gas supply safety protection device for gas combustion based on information technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010881384.8A CN112071039A (en) | 2020-08-27 | 2020-08-27 | Gas supply safety protection device for gas combustion based on information technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112071039A true CN112071039A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010881384.8A Pending CN112071039A (en) | 2020-08-27 | 2020-08-27 | Gas supply safety protection device for gas combustion based on information technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112071039A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114392663A (en) * | 2021-12-09 | 2022-04-26 | 华能伊春热电有限公司 | Spiral refining anti-blocking device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205197U (en) * | 1986-07-12 | 1987-12-05 | 邱承贤 | Simple earthquake alarm |
| JP2005249156A (en) * | 2004-03-08 | 2005-09-15 | Osaka Gas Co Ltd | Monitor of pass-through gas |
| CN108414699A (en) * | 2018-05-11 | 2018-08-17 | 黄德龙 | A kind of device convenient for ship equipment inspection |
| CN108869946A (en) * | 2018-09-29 | 2018-11-23 | 天津卓达管道机械制造有限公司 | A kind of gas pipeline temporary blocking device |
| CN208153948U (en) * | 2018-05-11 | 2018-11-27 | 刘瑞凯 | A kind of oil-gas pipeline leak stopping pressure discharge device |
| CN110397849A (en) * | 2019-08-23 | 2019-11-01 | 深圳市前海三安盛科技有限公司 | A kind of gas leakage Online Monitoring Control System and method |
| CN210130306U (en) * | 2019-06-06 | 2020-03-10 | 北京大智伟业科技有限公司 | Wind-solar complementary bird repeller |
| CN111503528A (en) * | 2020-04-27 | 2020-08-07 | 简再东 | Gas safety protection device |
| CN211260378U (en) * | 2019-12-04 | 2020-08-14 | 程诚 | Natural gas line leakage detection device |
-
2020
- 2020-08-27 CN CN202010881384.8A patent/CN112071039A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205197U (en) * | 1986-07-12 | 1987-12-05 | 邱承贤 | Simple earthquake alarm |
| JP2005249156A (en) * | 2004-03-08 | 2005-09-15 | Osaka Gas Co Ltd | Monitor of pass-through gas |
| CN108414699A (en) * | 2018-05-11 | 2018-08-17 | 黄德龙 | A kind of device convenient for ship equipment inspection |
| CN208153948U (en) * | 2018-05-11 | 2018-11-27 | 刘瑞凯 | A kind of oil-gas pipeline leak stopping pressure discharge device |
| CN108869946A (en) * | 2018-09-29 | 2018-11-23 | 天津卓达管道机械制造有限公司 | A kind of gas pipeline temporary blocking device |
| CN210130306U (en) * | 2019-06-06 | 2020-03-10 | 北京大智伟业科技有限公司 | Wind-solar complementary bird repeller |
| CN110397849A (en) * | 2019-08-23 | 2019-11-01 | 深圳市前海三安盛科技有限公司 | A kind of gas leakage Online Monitoring Control System and method |
| CN211260378U (en) * | 2019-12-04 | 2020-08-14 | 程诚 | Natural gas line leakage detection device |
| CN111503528A (en) * | 2020-04-27 | 2020-08-07 | 简再东 | Gas safety protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114392663A (en) * | 2021-12-09 | 2022-04-26 | 华能伊春热电有限公司 | Spiral refining anti-blocking device |
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Application publication date: 20201211 |
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