CN115171345A - Household gas leakage alarm device - Google Patents
Household gas leakage alarm device Download PDFInfo
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- CN115171345A CN115171345A CN202210814867.5A CN202210814867A CN115171345A CN 115171345 A CN115171345 A CN 115171345A CN 202210814867 A CN202210814867 A CN 202210814867A CN 115171345 A CN115171345 A CN 115171345A
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- driving wheel
- alarm device
- rotating shaft
- household gas
- linkage
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- 238000001514 detection method Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000246 remedial effect Effects 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a household gas leakage alarm device which comprises a shell and a controller, wherein the controller is positioned inside the shell, a motor is arranged inside the shell, a rotating shaft is arranged at one end of the inner side of the motor, a driving wheel rotating shaft is fixedly connected to one end, far away from the motor, of the rotating shaft, a linkage plate is inserted outside the driving wheel rotating shaft and is positioned on one side close to the rotating shaft, a groove is formed in one side of the outer portion of the driving wheel rotating shaft, an elastic plate is arranged at the bottom end of the inner portion of the groove, a power assisting column is fixedly connected to the lower end of the elastic plate, and the size of the elastic plate is smaller than the inner size of the groove.
Description
Technical Field
The invention relates to the technical field of gas leakage prevention, in particular to a household gas leakage alarm device.
Background
The prior household gas leakage alarm device only provides light flickering in the use process to give people early warning, most people are in office places in the daytime during common daily work, only can go home when the people go back to the home at night, the leakage time is too long to rescue timely at the time, serious large-range safety accidents such as violence or fire disasters can be caused, therefore, the gas leakage detection is very necessary, the household gas leakage alarm device can give an alarm in time and make remedial actions, and is important, and therefore the household gas leakage alarm device is provided.
Disclosure of Invention
The invention mainly aims to provide a household gas leakage alarm device, which mainly solves the following technical problems:
the existing household gas leakage alarm device only provides light flickering in the using process to warn people, most people are in office places in the daytime during common daily work, the people can only return home at night, the leakage time is too long to be timely rescued at this time, serious large-range safety accidents such as violence or fire disasters can be caused, therefore, gas leakage detection is very necessary, timely alarm and remedial action can be given, and the lives and properties of people can be saved in time.
In order to achieve the purpose, the invention adopts the technical scheme that:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The utility model provides a domestic gas leakage alarm device, includes casing and controller, the controller is located the inside of casing, the inside of casing is provided with the motor, the inboard one end of motor is provided with the pivot, the one end fixedly connected with driving wheel rotation axis of motor is kept away from in the pivot, the outside of driving wheel rotation axis is worn to insert the linkage board, and the linkage board is located the one side of being close to the pivot, recess has been seted up to outside one side of driving wheel rotation axis, the elastic plate has been placed to the inside bottom of recess, the lower extreme fixed connection helping hand post of elastic plate, the size of elastic plate is less than the inside size of recess, and the size of elastic plate is greater than the upper end bore size of recess, logical groove has been seted up to the lower extreme of driving wheel rotation axis, the helping hand post is located the inside in logical groove, the inboard bore of logical groove lower extreme all is provided with circular-arc;
the controller is initially started, and gas leakage is induced to be leaked or not, and the original state is maintained after no leakage; the gas leakage alarm device has the advantages that the leakage alarm device can give an alarm immediately, short message communication notification is sent, timely early warning is facilitated, meanwhile, the main valve is closed timely, an alarm is sounded, however, the gas leakage induction senses that the gas concentration is reduced to almost not be induced, the alarm is stopped through the switch button, a user can be informed of coming to the site through short messages, and conventional detection is carried out to prevent the situation before.
Furthermore, one side, away from the driving wheel rotation axis, of the linkage plate (9) is movably connected with a linkage column, one end of the linkage column is fixedly connected with a first cross rod, the inner portion of the shell (1) is fixedly connected with a rotary center shaft, the outer portion of the first cross rod is arranged inside the rotary center shaft, the other end of the rotary center shaft is provided with a second cross rod, and one end of the second cross rod is provided with a first clamping block.
Furthermore, the one end of a clamping piece is provided with the bolt, the one end of bolt is provided with the screw thread, the one end threaded connection of bolt is in the inside of a clamping piece, no. two clamping pieces have been run through to the outside of bolt, no. one clamping piece and No. two clamping pieces, and the equal horizontal symmetry of two sets of fixed blocks, the upper end internal bore of recess is the circular arc type.
Rotatory axis alternates in the upper and lower both ends of casing, and a horizontal pole is located the outside of casing, and the upper end that drives No. two horizontal poles through the rotatory axis in the outside is rotated downwards, and then can make total valve handle between No. two clamping piece 6 and a clamping piece 5 rotate 45 degrees downwards, and then close the total valve, guarantee total gas pipeline's closure.
Further, one side of the inside of casing is provided with the alarm jingle bell, and just the alarm jingle bell is located the driving wheel rotation axis directly over, the lower extreme of alarm jingle bell is provided with two sets of gyro wheels.
Furthermore, a spring is arranged in the alarm bell, a switch button is inserted in the spring, one end of the inside of the switch button is connected with the input end of the alarm bell, and the switch button is inserted and fixed in the spring in the prior art.
Further, the inside bottom of casing is provided with the expansion bend, the one end of expansion bend is provided with the circular arc telescopic link, the circular arc telescopic link is located the lower extreme that leads to the groove, the expansion bend drives the circular arc telescopic link jack-up that makes progress, and then drives the elastic plate of leading to the inside helping hand post in groove and upspring, and then drive the switch button shrink, close the alarm jingle bell.
Further, the motor drives the rotating shaft to rotate, the rotating shaft drives the driving wheel rotating shaft to keep rotating synchronous, the driving wheel rotating shaft drives the linkage plate to move, the linkage plate moves up and down to drive the linkage column to be located at the upper end, one end of the second cross rod is located at the lower end, and then the gas valve handle rotates by 45 degrees to close the gas valve.
The motor is positioned at one side inside the shell and fixed, the motor drives the driving wheel rotating shaft to move up and down through the fixation of the motor, a telescopic device at the lower end of the driving wheel rotating shaft can conveniently move up and down a power-assisted column inside the driving wheel rotating shaft, a switch button at the lower end of the alarm bell can be conveniently adjusted, a groove arranged at the upper end of the driving wheel rotating shaft can conveniently fix the switch button, a through groove is formed in the lower end of the driving wheel rotating shaft, an arc telescopic rod 24 can conveniently adjust the power-assisted plate up and down, and the switch button is further controlled;
when the wheel rotating shaft at the other end moves, the linkage plate can be driven at the same time, one end of the linkage plate drives the linkage column to move upwards, the second cross rod at the other side drives the main valve fixed between the first clamping block and the second clamping block to move downwards, and the alarm bell can be turned on and the main valve can be turned off at the same time.
Furthermore, the bolt is rotated to adjust the distance between the first clamping block and the second clamping block, and the driving wheel rotating shaft is located on one side of the center of one end of the linkage plate.
Further, the inside of casing is provided with detection sensor, sensor and controller electric connection, the inside of controller is provided with signal chip.
Furthermore, the roller is connected with the upper end of the rotating shaft of the driving wheel in a sliding mode, the switch button is higher than the spring, and the roller is along the outer side of the groove, so that the friction resistance is reduced conveniently.
Compared with the prior art, the household gas leakage alarm device can detect and judge whether gas leakage occurs through the sensor, can give an alarm to gas through the local limitation of the elastic plate on the switch knob if gas concentration leakage is detected, and can control the connection of the gas main valve to close the main valve if gas leakage occurs;
meanwhile, an alarm system is arranged in the controller, short messages can be sent to the outside through a built-in signal chip, and the controller has a unique external expanding function.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic view of the overall structure of a household gas leakage alarm device of the invention.
Fig. 2 is an enlarged view of the internal structure of a household gas leakage alarm device of the present invention.
FIG. 3 is a side view of a state that a bolt of the household gas leakage alarm device is positioned between a second clamping block and a first clamping block.
Fig. 4 is an enlarged view of an alarm bell of a home gas leakage alarm device according to the present invention.
Fig. 5 is a partial sectional view of an alarm bell of a home gas leakage alarm device according to the present invention.
Fig. 6 is a flow chart of a controller of a household gas leakage alarm device according to the present invention.
In the figure: 1. a housing; 2. rotating the middle shaft; 3. a first cross bar; 4. a second cross bar; 5. a first clamping block; 6. a second clamping block is installed; 7. a motor; 8. a rotating shaft; 9. a linkage plate; 10. an alarm ring; 11. a linkage column; 12. an elastic plate; 13. a power-assisted column; 14. a retractor; 15. a driving wheel rotating shaft; 16. a groove; 17. a switch knob; 18. a spring; 19. a roller; 20. a through groove; 21. a bolt; 22. a thread; 23. a fixed block; 24. circular arc telescopic link.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1-6, a household gas leakage alarm device comprises a housing (1) and a controller, wherein the controller is located inside the housing (1), a motor (7) is arranged inside the housing (1), a rotating shaft (8) is arranged at one end of the inner side of the motor (7), a driving wheel rotating shaft (15) is fixedly connected to one end, far away from the motor (7), of the rotating shaft (8), a linkage plate (9) is inserted outside the driving wheel rotating shaft (15), the linkage plate (9) is located at one side close to the rotating shaft (8), a groove (16) is formed in one side of the outer side of the driving wheel rotating shaft (15), an elastic plate (12) is placed at the bottom end of the inner portion of the groove (16), a power assisting column (13) is fixedly connected to the lower end of the elastic plate (12), the size of the elastic plate (12) is smaller than the size of the inner portion of the groove (16), the size of the upper end aperture of the elastic plate (12) is larger than the size of the upper end of the groove (16), a through groove (20) is formed in the lower end of the through groove (15), the power assisting column (13) is located inside of the through groove (20), and the through groove (20) is provided with inner side of the circular arc-shaped inner side;
as shown in fig. 6, the controller is initially started, gas leakage senses whether gas leaks or not, and gas leakage does not occur and maintains the original state; the leakage alarm can give an alarm immediately, send a short message notification, facilitate timely early warning, close the main valve in time and sound an alarm, but the gas leakage induction induces that the gas concentration is reduced to almost not to be induced, stop the alarm through the switch button (17), but still inform people of coming to the site through short messages, and carry out conventional detection to prevent the situation in the future.
Example 2
As shown in fig. 2 and 4-5, the household gas leakage alarm device comprises a shell (1) and a controller, wherein the controller is located inside the shell (1), a motor (7) is arranged inside the shell (1), a rotating shaft (8) is arranged at one end of the inner side of the motor (7), a driving wheel rotating shaft (15) is fixedly connected to one end, away from the motor (7), of the rotating shaft (8), a linkage plate (9) penetrates through the outer portion of the driving wheel rotating shaft (15), a linkage column (11) is movably connected to one side, away from the driving wheel rotating shaft (15), of the linkage plate (9), a first transverse rod (3) is fixedly connected to one end of the linkage column (11), a rotating center shaft (2) is fixedly connected to the inner portion of the shell (1), the outer portion of the first transverse rod (3) is arranged inside the rotating center (2), a second transverse rod (4) is arranged at the other end of the rotating center (2), and a first clamping block (5) is arranged at one end of the second transverse rod (4).
One end of a clamping block (5) is provided with bolt (21), one end of bolt (21) is provided with screw thread (22), one end threaded connection of bolt (21) is in the inside of a clamping block (5), no. two clamping blocks (6) have been run through to the outside of bolt (21), the inside of a clamping block (5) and No. two clamping blocks (6) all is provided with two sets of fixed block (23), and the equal horizontal symmetry of two sets of fixed block (23), the upper end inner bore of recess (16) is the circular arc type.
Rotatory axis (2) alternate in the upper and lower both ends of casing (1), and No. two horizontal poles (4) are located the outside of casing (1), and rotatory axis (2) through the outside drive the upper end of No. two horizontal poles (4) and rotate downwards, and then can make total valve handle between No. two clamping piece 6 and a clamping piece 5 downwards rotatory 45 degrees, and then close the total valve, guarantee the closure of total gas pipeline.
Example 3
As shown in fig. 1-6, a household gas leakage alarm device comprises a shell (1) and a controller, wherein an alarm bell (10) is arranged on one side inside the shell (1), the alarm bell (10) is positioned right above a driving wheel rotating shaft (15), and two groups of rollers (19) are arranged at the lower end of the alarm bell (10).
The inside of alarm jingle bell (10) is provided with spring (18), and the inside grafting of spring (18) has switch button (17), and the inside one end of switch button (17) is connected with the input of alarm jingle bell (10), and switch button (17) grafting is fixed in the inside of spring (18) and is prior art.
The inside bottom of casing (1) is provided with expansion bend (14), and the one end of expansion bend (14) is provided with circular arc telescopic link (24), and circular arc telescopic link (24) are located the lower extreme that leads to groove (20), and expansion bend (14) drive circular arc telescopic link (24) jack-up that makes progress, and then drive elastic plate (12) that lead to groove (20) inside helping hand post (13) and upwards bounce, and then drive switch button (17) shrink, close alarm jingle bell (10).
The motor (7) drives the rotating shaft (8) to rotate, the rotating shaft (8) drives the driving wheel rotating shaft (15) to keep rotating synchronous, the driving wheel rotating shaft (15) drives the linkage plate (9) to move, the linkage plate (9) does up-down fluctuating motion to drive the linkage column (11) to be located at the upper end, one end of the second cross rod (4) is located at the lower end, and then the gas valve handle rotates by 45 degrees to close the gas valve.
The motor (7) is positioned at one side of the inside of the shell (1) and fixed, the motor (7) drives the driving wheel rotating shaft (15) to move up and down, a telescopic device (14) at the lower end of the driving wheel rotating shaft (15) can conveniently move up and down a power-assisted column (13) in the driving wheel rotating shaft (15), a switch button (17) at the lower end of the alarm bell (10) can be conveniently called, a groove (16) formed in the upper end of the driving wheel rotating shaft (15) can conveniently fix the switch button (17), a through groove (20) is formed in the lower end of the driving wheel rotating shaft (15) and can conveniently drive the power-assisted column (13) up and down through an arc telescopic rod (24), and the switch button (17) is further controlled;
when the wheel rotating shaft (15) at the other end moves, the linkage plate (9) can be driven at the same time, one end of the linkage plate (9) drives the linkage column (11) to move upwards, the second cross rod (4) at the other end drives the main valve fixed between the first clamping block (5) and the second clamping block (6) to move downwards, and the alarm bell (10) can be turned on and the main valve can be controlled to be turned off simultaneously.
The distance between the first clamping block (5) and the second clamping block (6) is adjusted by rotating the bolt (21), and the driving wheel rotating shaft (15) is located on one side of the center of one end of the linkage plate (9).
The inside of casing (1) is provided with detection sensor, sensor and controller electric connection, and the inside of controller is provided with signal chip.
The roller (19) is connected with the upper end of the driving wheel rotating shaft (15) in a sliding mode, the switch button (17) is higher than the spring (18), and the roller (19) is arranged along the outer side of the groove (16) and is convenient to reduce friction resistance.
Compared with the prior art, the household gas leakage alarm device can detect and judge whether gas leakage occurs through the sensor, can give an alarm to gas through the local limitation of the elastic plate (12) on the switch knob (17) if gas concentration leakage is detected, and can control the connection of the gas main valve to be disconnected to close the main valve if gas leakage occurs, can realize high-precision detection of gas leakage, can furthest ensure the use safety of the gas, has extremely low power consumption, is suitable for places needing gas such as household hot pot meal spots and the like, can improve the humanization and safety of the gas, and finally greatly improves the life of people,
the invention is a household gas leakage alarm device, when in use, the whole safety of the device is checked, the device is arranged at one side of a gas main valve hand valve, the distance between a first clamping block (5) and a second clamping block (6) is loosened through a bolt (21), two sides of the hand valve can be placed between the first clamping block (5) and the second clamping block (6), the position of the hand valve is fixed through a fixing block (23) in front of the first clamping block (5) and the second clamping block (6), the hand valve is locally limited, and the hand valve can be closed by rotating in time after gas leakage;
the gas concentration is increased, when the sensor of the shell (1) senses the gas concentration, the controller receives a signal of the sensor, the groove (16) at the upper end of the driving wheel rotating shaft (15) is over against the lower end of the alarm bell (10), the power assisting plate in the through groove (20) in the driving wheel rotating shaft (15) is moved upwards through the arc telescopic rod (24) at the upper end of the telescopic device (14) until the elastic plate (12) at the upper end of the power assisting plate exerts pressure on the switch button (17) above, the switch button (17) is made to be flicked downwards due to the acting force of the spring (18), the switch button (17) is opened, and the alarm bell is turned on.
When the gas concentration is dissipated and the sensor cannot sense the gas concentration, the controller receives a signal of the sensor and controls the motor (7) to rotate, the motor (7) drives the rotating shaft (8), the rotating shaft (8) drives the driving wheel rotating shaft (15), the groove (16) at the upper end of the driving wheel rotating shaft (15) is opposite to the lower end of the alarm bell (10), the power assisting plate in the through groove (20) in the driving wheel rotating shaft (15) is upwards moved through the arc telescopic rod (24) at the upper end of the telescopic device (14) until the elastic plate (12) at the upper end of the power assisting plate applies pressure to the switch knob (17) above, the switch knob (17) is prompted to downwards flick due to the acting force of the spring (18), the switch knob (17) is closed, and the alarm bell is relieved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a domestic gas leakage alarm device, includes casing (1) and controller, the controller is located the inside of casing (1), the inside of casing (1) is provided with motor (7), the inboard one end of motor (7) is provided with pivot (8), the one end fixedly connected with driving wheel rotation axis (15) of motor (7) are kept away from in pivot (8), the outside interlude of driving wheel rotation axis (15) has linkage plate (9), and linkage plate (9) are located the one side that is close to pivot (8), recess (16) are seted up to outside one side of driving wheel rotation axis (15), elastic plate (12) have been placed to the inside bottom of recess (16), lower extreme fixed connection helping hand post (13) of elastic plate (12), the size of elastic plate (12) is less than the inside size of recess (16), and the size of elastic plate (12) is greater than the upper end bore size of recess (16), logical groove (20) have been seted up to the lower extreme of driving wheel rotation axis (15), helping hand post (13) are located the inside of logical groove (20), the logical circular-arc-shaped aperture is all provided with the lower extreme.
2. A household gas leak alarm device according to claim 1, wherein: one side swing joint that driving wheel rotation axis (15) was kept away from in linkage board (9) has linkage post (11), horizontal pole (3) of one end fixedly connected with of linkage post (11), the rotatory axis (2) of inside fixedly connected with of casing (1), the outside of horizontal pole (3) sets up in the inside of rotatory axis (2), the other end of rotatory axis (2) is provided with horizontal pole (4) No. two, the one end of No. two horizontal pole (4) is provided with clamping piece (5) No. one.
3. A household gas leak alarm device according to claim 2, wherein: the one end of a clamping piece (5) is provided with bolt (21), the one end of bolt (21) is provided with screw thread (22), the one end threaded connection of bolt (21) is in the inside of a clamping piece (5), the outside of bolt (21) is run through there are No. two clamping pieces (6), the inside of a clamping piece (5) and No. two clamping pieces (6) all is provided with two sets of fixed block (23), and the equal horizontal symmetry of two sets of fixed block (23), the upper end inner bore of recess (16) is the circular arc type.
4. A household gas leak alarm device according to claim 1, wherein: one side of the inside of casing (1) is provided with alarm jingle bell (10), and alarm jingle bell (10) are located driving wheel rotation axis (15) directly over, the lower extreme of alarm jingle bell (10) is provided with two sets of gyro wheels (19).
5. A household gas leakage alarm device according to claim 4, wherein: the alarm bell (10) is internally provided with a spring (18), the spring (18) is internally inserted with a switch button (17), and one end of the inside of the switch button (17) is connected with the input end of the alarm bell (10).
6. A household gas leak alarm device according to claim 1, wherein: the inside bottom of casing (1) is provided with expansion bend (14), the one end of expansion bend (14) is provided with circular arc telescopic link (24), circular arc telescopic link (24) are located the lower extreme that leads to groove (20), expansion bend (14) drive circular arc telescopic link (24) jack-up that makes progress, and then drive elastic plate (12) of leading to the inside helping hand post (13) of groove (20) and upwards bounce, and then drive switch button (17) shrink, close alarm jingle bell (10).
7. A household gas leak alarm device according to claim 1, wherein: motor (7) drive pivot (8) and rotate, and pivot (8) drive driving wheel rotation axis (15) and keep rotatory synchronous, and driving wheel rotation axis (15) drive linkage board (9) motion, and the up-and-down undulation is done in linkage board (9), drives linkage post (11) and is located the upper end, and the one end of No. two horizontal poles (4) is located the lower extreme, and then makes the rotatory 45 degrees of gas valve handle, closes the gas valve.
8. A household gas leak alarm device according to claim 1, wherein: the distance between the first clamping block (5) and the second clamping block (6) is adjusted through the rotary bolt (21), and the driving wheel rotating shaft (15) is located on one side of the center of one end of the linkage plate (9).
9. A household gas leak alarm device according to claim 1, wherein: the detection sensor is arranged inside the shell (1), the sensor is electrically connected with the controller, and the signal chip is arranged inside the controller.
10. A household gas leak alarm device according to claim 5, wherein: the roller (19) is in sliding contact with the upper end of the driving wheel rotating shaft (15), and the switch button (17) is higher than the spring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210814867.5A CN115171345A (en) | 2022-07-12 | 2022-07-12 | Household gas leakage alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210814867.5A CN115171345A (en) | 2022-07-12 | 2022-07-12 | Household gas leakage alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115171345A true CN115171345A (en) | 2022-10-11 |
Family
ID=83492521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210814867.5A Pending CN115171345A (en) | 2022-07-12 | 2022-07-12 | Household gas leakage alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115171345A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001307245A (en) * | 2000-04-18 | 2001-11-02 | Fuji Electric Co Ltd | Multiple type alarm |
| CN108986415A (en) * | 2018-09-18 | 2018-12-11 | 湖州锦泰科技有限责任公司 | A kind of induction gas leakage intellective protector |
| CN213473546U (en) * | 2020-11-26 | 2021-06-18 | 重庆三峡学院 | Police affairs unmanned aerial vehicle's for security protection alarm device |
| CN216743072U (en) * | 2022-02-28 | 2022-06-14 | 江西省水务集团有限公司 | Automatic valve closing device based on edge calculation |
-
2022
- 2022-07-12 CN CN202210814867.5A patent/CN115171345A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001307245A (en) * | 2000-04-18 | 2001-11-02 | Fuji Electric Co Ltd | Multiple type alarm |
| CN108986415A (en) * | 2018-09-18 | 2018-12-11 | 湖州锦泰科技有限责任公司 | A kind of induction gas leakage intellective protector |
| CN213473546U (en) * | 2020-11-26 | 2021-06-18 | 重庆三峡学院 | Police affairs unmanned aerial vehicle's for security protection alarm device |
| CN216743072U (en) * | 2022-02-28 | 2022-06-14 | 江西省水务集团有限公司 | Automatic valve closing device based on edge calculation |
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Application publication date: 20221011 |