CN110796832A - Automatic alarm for leakage of switch of gas pressure reducing valve - Google Patents
Automatic alarm for leakage of switch of gas pressure reducing valve Download PDFInfo
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- CN110796832A CN110796832A CN201911125946.XA CN201911125946A CN110796832A CN 110796832 A CN110796832 A CN 110796832A CN 201911125946 A CN201911125946 A CN 201911125946A CN 110796832 A CN110796832 A CN 110796832A
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- Prior art keywords
- pressure reducing
- gas
- reducing valve
- leakage
- control box
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000523 sample Substances 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000003034 coal gas Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/002—Investigating fluid-tightness of structures by using thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses an automatic alarm for leakage of a switch of a gas pressure reducing valve, which belongs to the field of alarm and comprises a pressure reducing valve, wherein an electromagnetic valve is communicated with an air inlet of the pressure reducing valve, a joint for connecting a gas tank is communicated with the air inlet of the electromagnetic valve, a sealing nut for sealing an air outlet of the gas tank is connected to the joint in a threaded manner, a control box is fixedly arranged at the bottom end of the pressure reducing valve, a PCB (printed circuit board) is fixedly arranged inside the control box, a controller and an alarm bell are arranged on the PCB, and a sensor probe is arranged at. The methane sensor can detect the gas leakage problem, and the temperature sensor can also detect the gas leakage if the leaked gas is ignited, so that the gas leakage can be detected comprehensively.
Description
Technical Field
The invention relates to the field of alarming, in particular to an automatic alarm for leakage of a switch of a gas pressure reducing valve.
Background
The gas tank (liquefied gas steel cylinder) is a steel cylinder for storing gas, the wall thickness of the steel cylinder is about 2.5 mm, the internal pressure is 0.5-1.2 megapascals, the safe service life is 15 years, and the steel cylinder needs to be checked regularly every four years.
At present, when a household gas tank is used, the joint is easy to leak gas due to long service life or improper use, and potential safety hazards are caused. Therefore, the automatic alarm for the switch leakage of the gas pressure reducing valve is improved.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an automatic alarm for gas pressure reducing valve switch leakage, which can automatically alarm the gas leakage problem.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The invention relates to an automatic alarm for switch leakage of a gas pressure reducing valve, which comprises a pressure reducing valve, wherein an air inlet of the pressure reducing valve is communicated with an electromagnetic valve, an air inlet of the electromagnetic valve is communicated with a joint for connecting a gas tank, a sealing nut for sealing an air outlet of the gas tank is connected to the joint in a threaded manner, a control box is fixedly arranged at the bottom end of the pressure reducing valve, a PCB (printed circuit board) is fixedly arranged in the control box, a controller and an alarm bell are arranged on the PCB, a sensor probe is arranged at the bottom end of the control box, the sensor probe is particularly composed of a temperature sensor, a methane sensor and a connecting cylinder for fixing the temperature sensor and the methane sensor together, the problem of gas leakage can be detected through the arranged methane sensor, if the leaked gas is ignited, the arranged temperature sensor can also detect the leakage of the gas, once the solenoid valve that the gas was revealed to set up can automatic cutout gas and the sound signal that alarm bell lasted to send, guarantees that the user in time discovers and reveals the problem.
As a preferred technical scheme of the invention, a plurality of slots are formed in the circumferential side of the sealing nut, an insert rod is clamped in one slot, a magnet is embedded in one end of the insert rod positioned in the slot, and a metal ring is fixedly arranged at the other end of the insert rod; the inserted bar that this structure set up can be when the user screws up sealing nut, and further screwing up sealing nut, the magnetite of setting makes the inserted bar to a certain extent be difficult for droing from the slot, and the becket that sets up simultaneously makes the user be convenient for operate the inserted bar.
As a preferred technical scheme of the invention, the control box specifically comprises an upper semicircular cover and a lower semicircular cover, wherein the upper semicircular cover and the lower semicircle are fixedly connected through bolts, and a detachable form of the upper semicircular cover and the lower semicircle is adopted, so that a user or a maintenance worker can conveniently maintain the internal structure of the control box.
As a preferred technical solution of the present invention, a sleeve is sleeved outside the sensor probe, the sleeve is fixedly embedded in the control box, two limiting grooves are formed in the inner side of the sleeve, limiting posts located in the limiting grooves are fixed on the side wall of the sensor probe, and the sensor probe can be used for: the user firstly switches on the automatic alarm for the leakage of the gas pressure reducing valve switch, and then when the device is connected to a gas tank, the sensor probe is detached and is close to the gas outlet part of the gas tank, so that the sealing effect of the sealing nut is detected; the specific limiting groove and the limiting column which are arranged can ensure that the sensor probe cannot fall off from the sleeve when the sensor probe is not detached.
As a preferred technical scheme of the invention, the limiting groove is of an L-shaped groove structure, so that the limiting and fixing of the sensor probe inside the sleeve are ensured, and the sensor probe is convenient to disassemble and install.
As a preferable technical scheme of the present invention, a reset button is fixedly provided on the control box and at the side of the sleeve, when gas leakage occurs, the alarm bell continuously sounds and the solenoid valve is always kept closed, and when a user finds the dangerous situation, the reset button is operated to release the alarm.
As a preferred technical scheme of the invention, the control box is also provided with a power supply male and female connector, the power supply male and female connector consists of a male connector and a female connector, the male connector is connected with a power line, and the automatic alarm for gas pressure reducing valve switch leakage needs to rotate when being connected with a gas tank, so that the power line can be detached before operation, and then when the automatic alarm for gas pressure reducing valve switch leakage is rotated, the power line cannot be wound on the automatic alarm, thereby enhancing the practicability.
As a preferred technical scheme of the present invention, the temperature sensor, the methane sensor and the reset button are all electrically connected to a controller, the controller is respectively electrically connected to the solenoid valve and the alarm bell, and the temperature sensor and the methane sensor are respectively used for detecting a temperature signal and a methane signal; when gas leaks but is not combusted, the methane sensor can detect the gas; when gas leaks and burns, the temperature sensor can detect the gas; the signals detected by the two are transmitted to the controller, the controller automatically compares the signals with factory preset values in real time, and once one of the signals exceeds the preset value, the controller sends out an instruction to close the electromagnetic valve and simultaneously enable the alarm bell to sound continuously.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can detect the gas leakage problem through the methane sensor that is equipped with, when the coal gas of revealing is lighted, the temperature sensor who is equipped with also can detect, and then realizes revealing of full aspect detection coal gas, in case the solenoid valve that the coal gas revealed to set up can automatic cutout coal gas and the sound signal that the alarm bell lasted to send, guarantees that the user in time discovers to reveal the problem.
(2) Because the sealing nut of the existing gas tank connector is very close to the gas tank, the sealing nut is difficult to dismount when a user is difficult to screw the sealing nut or needs to replace the gas tank; the inserted bar that this structure set up can be when the user screws up sealing nut, and further screwing up sealing nut, the magnetite of setting makes the inserted bar to a certain extent be difficult for droing from the slot, and the becket that sets up simultaneously makes the user be convenient for operate the inserted bar.
(3) The detachable form of the upper semicircle cover and the lower semicircle is adopted, so that a user or a maintenance person can maintain the structure in the control box conveniently.
(4) The sensor probe can be detached from the sleeve through the arrangement, so that the sensor probe can also be used for: the user firstly switches on the automatic alarm for the leakage of the gas pressure reducing valve switch, and then when the device is connected to a gas tank, the sensor probe is detached and is close to the gas outlet part of the gas tank, so that the sealing effect of the sealing nut is detected; the specific limiting groove and the limiting column which are arranged can ensure that the sensor probe cannot fall off from the sleeve when the sensor probe is not detached.
(5) The limiting groove of the L-shaped groove structure ensures that the sensor probe is limited and fixed inside the sleeve, and the disassembly and the installation are convenient.
(6) When gas leakage occurs, the alarm bell continuously sounds and the electromagnetic valve is always kept in a closed state, and when a user finds the dangerous situation, the alarm is relieved by operating the reset key.
(7) Because this automatic alarm is revealed to coal gas relief pressure valve switch needs the rotation when being connected with the gas tank, and then can pull down the power cord before the operation, then when rotating this automatic alarm is revealed to coal gas relief pressure valve switch, the power cord just can not twine above that, reinforcing practicality.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of an automatic alarm for gas pressure reducing valve switch leakage according to the present invention;
FIG. 2 is a schematic sectional view of a control box of the automatic alarm for gas pressure reducing valve switch leakage according to the present invention;
FIG. 3 is a schematic cross-sectional view of a sealing nut of the automatic alarm for gas pressure reducing valve switch leakage according to the present invention;
FIG. 4 is a schematic diagram of a structure of the gas pressure reducing valve switch leakage automatic alarm with a sleeve and a sensor probe disassembled;
FIG. 5 is a schematic diagram of an automatic alarm system for gas pressure reducing valve switch leakage according to the present invention.
In the figure: 1. a sealing nut; 2. an electromagnetic valve; 3. a pressure reducing valve; 4. a control box; 5. a power line; 6. a power supply male and female connector; 7. a sleeve; 8. a PCB board; 9. resetting the key; 10. a slot; 11. inserting a rod; 12. a sensor probe; 13. a limiting column; 14. a limiting groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, 2, 3, 4 and 5, the automatic alarm for the switch leakage of the gas pressure reducing valve of the invention comprises a pressure reducing valve 3, an electromagnetic valve 2 is communicated with an air inlet of the pressure reducing valve 3, a joint for connecting a gas tank is communicated with an air inlet of the electromagnetic valve 2, the joint can be a quick-insert joint or a threaded joint, a sealing nut 1 for sealing an air outlet of the gas tank is connected with the joint through threads, a control box 4 is fixed at the bottom end of the pressure reducing valve 3, a PCB board 8 is fixed in the control box 4, a controller and an alarm bell are arranged on the PCB board 8, a sensor probe 12 is arranged at the bottom end of the control box 4, the sensor probe 12 specifically comprises a temperature sensor, a methane sensor and a connecting cylinder for fixing the temperature sensor and the methane sensor together, and the problem of the gas leakage can be detected through, if the coal gas that reveals when being lighted, the temperature sensor that is equipped with also can detect, and then realizes the revealing of full aspect detection coal gas, in case the solenoid valve 2 that the coal gas revealed the setting can automatic cutout coal gas and the sound signal that the alarm bell lasted to send, guarantees that the user in time discovers the gas cooker of revealing the problem, and the model of methane sensor is MQ-4, and the producer is Shenzhen Shangsheng technology Limited company, and the model of temperature sensor is TC77, and the producer is Shenzhen Yuhong electronics Limited company in Yu City.
The sealing nut comprises a sealing nut 1, a plurality of slots 10, an insert rod 11, a magnet and a metal ring, wherein the plurality of slots 10 are formed in the circumferential side of the sealing nut 1, the insert rod 11 is clamped inside one slot 10, one end, located in the slot 10, of the insert rod 11 is embedded with the magnet, and the other end of the insert rod 11 is fixedly provided with the metal ring; the inserted bar 11 that this structure set up can be when the user screws up sealing nut 1, and further screwing up sealing nut 1, the magnetite of setting makes inserted bar 11 be difficult for droing from slot 10 to a certain extent, and the becket that sets up simultaneously makes the user be convenient for operate inserted bar 11.
Wherein, control box 4 specifically comprises last semicircle lid and lower semicircle lid, goes up semicircle lid and semicircle down and passes through bolt fixed connection, adopts the detachable form of last semicircle lid and semicircle down, and the user of being convenient for or maintenance personal maintain the inside structure of control box 4.
Wherein, the outside cover of sensor probe 12 is equipped with sleeve 7, and sleeve 7 is fixed to inlay and establishes on control box 4, and two spacing grooves 14 have been seted up to sleeve 7's inboard, is fixed with the spacing post 13 that is located spacing groove 14 on the lateral wall of sensor probe 12, and the form of dismantling on sleeve 7 can be followed through the sensor probe 12 that sets up for sensor probe 12 can also be used for: the user firstly switches on the automatic alarm for the leakage of the gas pressure reducing valve switch, and then when the device is connected to a gas tank, the sensor probe 12 is detached and is close to the gas outlet part of the gas tank, so that the sealing effect of the sealing nut 1 can be detected; the specific arrangement of the limiting groove 14 and the limiting column 13 can ensure that the sensor probe 12 cannot fall off from the sleeve 7 when the sensor probe 12 is not detached.
The limiting groove 14 is an L-shaped groove structure, so that the limitation and fixation of the sensor probe 12 inside the sleeve 7 are ensured, and the disassembly and the assembly are convenient.
Wherein, the control box 4 is fixedly provided with a reset button 9 at the side of the sleeve 7, when gas leakage occurs, the alarm bell continuously sounds and the electromagnetic valve 2 is always kept in a closed state, and when a user finds the dangerous situation, the alarm is released by operating the reset button 9.
Wherein, still be provided with the public female joint of power 6 on the control box 4, the public female joint of power 6 comprises public head and female head, and public head is connected with power cord 5, because this coal gas relief pressure valve switch reveals automatic alarm when being connected with the gas tank, needs the rotation, and then can pull down power cord 5 before the operation, then when rotating this coal gas relief pressure valve switch and revealing automatic alarm, power cord 5 just can not twine on it, reinforcing practicality.
The temperature sensor, the methane sensor and the reset key 9 are electrically connected with the controller, the controller is respectively electrically connected with the electromagnetic valve 2 and the alarm bell, and the temperature sensor and the methane sensor are respectively used for detecting a temperature signal and a methane signal; when gas leaks but is not combusted, the methane sensor can detect the gas; when gas leaks and burns, the temperature sensor can detect the gas; the signals detected by the two are transmitted to the controller, the controller automatically compares the signals with factory preset values in real time, and once one of the signals exceeds the preset value, the controller sends out an instruction to close the electromagnetic valve 2 and simultaneously enables the alarm bell to sound continuously.
When the automatic alarm for the leakage of the gas pressure reducing valve switch is required to be connected with a gas tank, firstly, a male head and a female head of a power supply male-female connector 6 are disassembled to separate a power line 5 from the device, then the connector is connected with the gas tank, and the specific connection process comprises the steps of firstly taking out an inserted rod 11 from an insertion slot 10, then manually rotating a sealing nut 1 to a gas outlet of the gas tank, inserting the inserted rod 11 into the insertion slot 10 at a proper position when the rotation is difficult, then pulling the inserted rod 11 to enable the sealing nut 1 to be connected more tightly, and meanwhile, if the sealing nut 1 is required to be disassembled and the sealing nut 1 is difficult to manually rotate, disassembling the sealing nut 1 can also be realized by using the inserted rod 11; after the connection is finished, the male head and the female head of the power supply male-female connector 6 are connected, then the sensor probe 12 is rotated in the sleeve 7 and pulled out downwards, the sensor probe 12 is held by a hand to be close to the sealing nut 1, whether the sealing nut 1 has an air leakage phenomenon or not is detected, and once the air leakage problem exists, an alarm bell can be generated; when no gas leakage occurs, the sensor probe 12 is classified as the gas pressure reducing valve switch leakage automatic alarm, and the gas pressure reducing valve switch leakage automatic alarm enters a normal real-time detection state; namely, the temperature sensor and the methane sensor respectively monitor a temperature signal and a methane signal in real time; when gas leaks but is not combusted, the methane sensor can detect the gas; when gas leaks and burns, the temperature sensor can detect the gas; the signals detected by the two are transmitted to the controller, the controller automatically compares the signals with factory preset values in real time, and once one of the signals exceeds the preset value, the controller sends out an instruction to close the electromagnetic valve 2 and simultaneously enables the alarm bell to sound continuously; when gas leakage occurs, the alarm bell continuously sounds and the electromagnetic valve 2 is always kept in a closed state, and when a user finds the dangerous situation, the alarm is released by operating the reset key 9.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. The utility model provides an autoalarm is revealed to coal gas relief pressure valve switch, includes relief pressure valve (3), its characterized in that, the air inlet intercommunication of relief pressure valve (3) is provided with solenoid valve (2), the air inlet intercommunication of solenoid valve (2) is provided with the joint that is used for connecting the gas tank, threaded connection has sealing nut (1) that is used for sealed gas tank gas outlet on the joint, the bottom mounting of relief pressure valve (3) is equipped with control box (4), the inside of control box (4) is fixed and is equipped with PCB board (8), be equipped with controller and alarm bell on PCB board (8), the bottom of control box (4) is equipped with sensor probe (12), sensor probe (12) specifically constitute temperature sensor, methane sensor and the connecting cylinder that fixes temperature sensor and methane sensor together.
2. The automatic alarm for the switch leakage of the gas pressure reducing valve according to claim 1, wherein a plurality of slots (10) are formed in the circumferential side of the sealing nut (1), an insert rod (11) is clamped inside one slot (10), a magnet is embedded in one end, located in the slot (10), of the insert rod (11), and a metal ring is fixedly arranged at the other end of the insert rod (11).
3. The automatic alarm for the switch leakage of the gas pressure reducing valve according to claim 1, wherein the control box (4) is composed of an upper semicircular cover and a lower semicircular cover, and the upper semicircular cover and the lower semicircular cover are fixedly connected through bolts.
4. The automatic alarm for the leakage of the gas pressure reducing valve switch according to claim 1, wherein a sleeve (7) is sleeved outside the sensor probe (12), the sleeve (7) is fixedly embedded on the control box (4), two limiting grooves (14) are formed in the inner side of the sleeve (7), and a limiting column (13) located in each limiting groove (14) is fixed on the side wall of the sensor probe (12).
5. The gas pressure reducing valve switch leakage autoalarm of claim 4, wherein the limiting groove (14) is an L-shaped groove structure.
6. The automatic alarm for the switch leakage of the gas pressure reducing valve according to claim 4, wherein a reset button (9) is fixedly arranged on the control box (4) and positioned at the side of the sleeve (7).
7. The automatic alarm for the leakage of the switch of the gas pressure reducing valve according to claim 1, wherein a power supply male and female connector (6) is further arranged on the control box (4), the power supply male and female connector (6) consists of a male connector and a female connector, and the male connector is connected with a power line (5).
8. The automatic alarm system for the switch leakage of the gas pressure reducing valve consists of the automatic alarm for the switch leakage of the gas pressure reducing valve according to the claims 1 to 7, and is characterized in that the temperature sensor, the methane sensor and the reset key (9) are electrically connected with a controller, and the controller is respectively electrically connected with the electromagnetic valve (2) and the alarm bell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125946.XA CN110796832A (en) | 2019-11-18 | 2019-11-18 | Automatic alarm for leakage of switch of gas pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125946.XA CN110796832A (en) | 2019-11-18 | 2019-11-18 | Automatic alarm for leakage of switch of gas pressure reducing valve |
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| Publication Number | Publication Date |
|---|---|
| CN110796832A true CN110796832A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911125946.XA Pending CN110796832A (en) | 2019-11-18 | 2019-11-18 | Automatic alarm for leakage of switch of gas pressure reducing valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN110796832A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719187A (en) * | 2022-04-25 | 2022-07-08 | 宁波市产品食品质量检验研究院(宁波市纤维检验所) | Gas relief pressure valve terminal monitoring device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542733A (en) * | 2010-12-21 | 2012-07-04 | 新奥科技发展有限公司 | Memory type hazardous gas alarm control system |
| CN203551009U (en) * | 2013-11-25 | 2014-04-16 | 国家档案局档案科学技术研究所 | Handheld archival repository temperature hygrometer |
| CN204704863U (en) * | 2015-04-09 | 2015-10-14 | 沈晓敏 | A kind of safety device automatically closing valve in coal gas leather hose |
| CN207052075U (en) * | 2017-07-19 | 2018-02-27 | 深圳市新天泽消防工程有限公司 | A kind of combustible gas detecting device |
| CN207764954U (en) * | 2017-12-14 | 2018-08-24 | 家世界智能家居（深圳）有限公司 | A kind of household security protection device based on Internet of Things |
| KR20190049006A (en) * | 2017-11-01 | 2019-05-09 | 채령 | The PUF-QRNG remote meter reader |
| CN211403572U (en) * | 2019-11-18 | 2020-09-01 | 庄娘新 | Automatic alarm for leakage of switch of gas pressure reducing valve |
-
2019
- 2019-11-18 CN CN201911125946.XA patent/CN110796832A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542733A (en) * | 2010-12-21 | 2012-07-04 | 新奥科技发展有限公司 | Memory type hazardous gas alarm control system |
| CN203551009U (en) * | 2013-11-25 | 2014-04-16 | 国家档案局档案科学技术研究所 | Handheld archival repository temperature hygrometer |
| CN204704863U (en) * | 2015-04-09 | 2015-10-14 | 沈晓敏 | A kind of safety device automatically closing valve in coal gas leather hose |
| CN207052075U (en) * | 2017-07-19 | 2018-02-27 | 深圳市新天泽消防工程有限公司 | A kind of combustible gas detecting device |
| KR20190049006A (en) * | 2017-11-01 | 2019-05-09 | 채령 | The PUF-QRNG remote meter reader |
| CN207764954U (en) * | 2017-12-14 | 2018-08-24 | 家世界智能家居（深圳）有限公司 | A kind of household security protection device based on Internet of Things |
| CN211403572U (en) * | 2019-11-18 | 2020-09-01 | 庄娘新 | Automatic alarm for leakage of switch of gas pressure reducing valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719187A (en) * | 2022-04-25 | 2022-07-08 | 宁波市产品食品质量检验研究院(宁波市纤维检验所) | Gas relief pressure valve terminal monitoring device |
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