CN115662074A - Alarm for mobile combustible gas detection - Google Patents
Alarm for mobile combustible gas detection Download PDFInfo
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- CN115662074A CN115662074A CN202211680777.8A CN202211680777A CN115662074A CN 115662074 A CN115662074 A CN 115662074A CN 202211680777 A CN202211680777 A CN 202211680777A CN 115662074 A CN115662074 A CN 115662074A
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- combustible gas
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 229920000742 Cotton Polymers 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 241000883990 Flabellum Species 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 64
- 238000005457 optimization Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention relates to a movable alarm for combustible gas detection. The invention belongs to the technical field of alarms; the gas detection alarm comprises a shell, wherein the shell is of a cylindrical structure, an alarm body is mounted at the upper end of the shell, an alarm end is arranged at the upper end of the alarm body, and a monitoring end is arranged at the lower end of the alarm body.
Description
Technical Field
The invention belongs to the technical field of alarms, and particularly relates to a movable alarm for combustible gas detection.
Background
The combustible gas alarm is also called a gas leakage detection alarm instrument. When combustible gas leaks in industrial environment and daily life environment (such as a kitchen using natural gas), and the combustible gas alarm detects that the concentration of the combustible gas reaches an alarm value set by the alarm, the combustible gas alarm can send out sound and light alarm signals to remind people to evacuate, exhaust forcibly, shut down equipment and other safety measures.
Gas pipelines in a household kitchen are usually arranged in a floor cabinet, and gas is easy to accumulate in the cabinet after being leaked a lot; and because the gas is revealed in the ground cabinet, the gas can gather inside the upper end of ground cabinet, and the information is revealed to the gas that is difficult to monitor in the ground cabinet when combustible gas alarm position sets up improper.
Therefore, a mobile alarm for combustible gas detection is provided to solve the above drawbacks.
Disclosure of Invention
The invention aims to solve the problems and provide an alarm with simple structure and reasonable design.
The invention realizes the purpose through the following technical scheme:
a movable alarm for combustible gas detection comprises a shell, wherein the shell is of a cylindrical structure, an alarm body is mounted at the upper end of the shell, an alarm end is arranged at the upper end of the alarm body, a monitoring end is arranged at the lower end of the alarm body, a detection cavity is formed between the lower part of the alarm body and the inside of the shell, an upper plate is fixedly arranged at the lower end of the shell, a fixing assembly is arranged on one surface, away from the shell, of the upper plate, and the shell is mounted on a gas pipeline through the fixing assembly;
the fixing assembly comprises a lower plate, an upper half ring, a lower half ring, connecting plates and balls, the lower plate is arranged on one surface of the upper plate, which is far away from the shell, the upper half ring is fixedly arranged on one surface of the lower plate, which is far away from the upper plate, the lower half ring is spliced on one end of the upper half ring, which is far away from the lower plate, a circular ring structure is formed between the upper half ring and the lower half ring, the connecting plates are fixedly arranged at the ends, which are close to each other, of the upper half ring and the lower half ring, the two corresponding connecting plates are fixed through screws, the balls are movably embedded on the inner walls, which are close to each other, of the upper half ring and the lower half ring, and the balls are provided with a plurality of groups;
the middle part of one surface of the upper plate, which is close to the lower plate, is fixedly provided with an expansion piece, and one end of the expansion piece, which is far away from the upper plate, is fixedly arranged in the middle part of one surface of the lower plate, which is close to the upper plate;
the lower plate is provided with a rotating groove, rollers are arranged in the rotating groove in a rolling manner, a first motor is fixedly arranged on one surface of the lower plate close to the upper plate, when the first motor drives the roller to roll, the roller rolls along the gas pipeline, so that the shell moves along the distribution direction of the gas pipeline.
As a further optimization scheme of the invention, an air inlet pipe is fixedly arranged at the outer ring of one side of the shell, an air outlet pipe is fixedly arranged at the outer ring of the other side of the shell, the air inlet pipe and the air outlet pipe are communicated with the inside and the outside of the shell, fixing parts are arranged in the air inlet pipe and the air outlet pipe, each fixing part comprises an inner fixing frame and an outer fixing frame, each outer fixing frame is of an annular structure, the outer fixing frames are connected to the inner rings of the corresponding air inlet pipe and the corresponding air outlet pipe through threaded fit, each inner fixing frame is of a cross structure, each inner fixing frame is fixedly arranged at the inner ring of the corresponding outer fixing frame, a second motor is fixedly arranged on the inner fixing frame in the air inlet pipe, and each second motor is in transmission connection with a fan blade.
As a further optimization scheme of the invention, a filtering cotton block is fixedly arranged on the inner fixing frame in the air outlet pipe, and one end of the filtering cotton block, which is far away from the inner fixing frame, extends into the detection cavity.
As a further optimization scheme of the invention, a threaded hole is formed in the periphery of the shell, a cleaning pipe is connected in the threaded hole in a threaded fit manner, a cotton column is fixedly arranged at one end, close to the periphery of the shell, of the cleaning pipe, the cotton column movably extends into the detection cavity, burrs are fixedly arranged at the outer ring of the cotton column, a plurality of groups of the burrs are arranged, and the plurality of groups of the burrs are distributed in a circular array shape.
As a further optimized scheme of the invention, a hose is fixedly arranged at one end of the air outlet pipe, which is far away from the shell, and a discharge pipe is fixedly arranged at one end of the hose, which is far away from the air outlet pipe.
As a further optimization scheme of the invention, an upper cover is fixedly arranged at the outer ring of one end of the alarm body close to the alarm end, and the upper cover is fixedly connected to one end of the shell far away from the upper plate through screws.
As a further optimization scheme of the invention, the monitoring end is positioned in the middle of the detection cavity and is positioned above the cotton column.
As a further optimization scheme of the invention, the gas pipeline is arranged inside the floor cabinet body, the floor cabinet body is arranged on one side of the wall body, and when the shell is arranged on the gas pipeline, one end of the discharge pipe, which is far away from the hose, movably penetrates through the floor cabinet body and the wall body and extends out of one surface of the wall body, which is far away from the floor cabinet body.
As a further preferred development of the invention, the hose is of a meandering hose structure.
As a further optimized scheme of the invention, the telescopic piece is a spring telescopic rod or an electric push rod.
The invention has the beneficial effects that: when the shell moves along the distribution direction of the gas pipeline, the second motor is started, the second motor drives the fan blades to rotate to generate suction force, so that gas near the gas pipeline is sucked into the detection cavity, the monitoring end monitors the flammability of the gas in a flowing state, and the situation that the flammable gas is gathered together and does not meet the monitoring end is avoided.
According to the invention, the first motor is fixedly arranged on one surface of the lower plate close to the upper plate, and when the first motor drives the roller wheels to roll, the roller wheels roll along the gas pipeline, so that the shell moves along the distribution direction of the gas pipeline, the purpose of mobile monitoring is realized, and the leakage condition of combustible gas along the distribution direction of the gas pipeline can be monitored.
According to the invention, based on the arrangement of the fan blades, gas can be discharged to the outer wall of the wall body from the gas inlet pipe, the detection cavity, the gas outlet pipe, the hose and the discharge pipe in sequence, so that the combustible gas can be discharged, and the safety accidents caused by the combustible gas gathering in the floor cabinet body or indoors can be avoided.
Drawings
FIG. 1 is a schematic view of the mobile combustible gas detection alarm of the present invention;
FIG. 2 is a schematic view of another perspective of the mobile flammable gas detecting alarm of the present invention;
FIG. 3 is a cross-sectional view of a mobile flammable gas testing alarm of the present invention from a perspective;
FIG. 4 is another cross-sectional view of the portable flammable gas detecting alarm of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of the invention at B in FIG. 4;
fig. 7 is a schematic view of the alarm for detecting combustible gas according to the invention applied to a gas pipeline.
In the figure: the device comprises a shell 1, an upper cover 2, an alarm end 3, an air inlet pipe 4, an air outlet pipe 5, a cleaning pipe 6, a hose 7, a discharge pipe 8, an upper plate 9, a lower plate 10, an upper half ring 11, a lower half ring 12, a connecting plate 13, a ball 14, a telescopic piece 15, a rotating groove 16, a roller 17, a first motor 18, a wall body 19, an alarm body 20, a monitoring end 21, burrs 22, a cotton column 23, a detection cavity 24, a gas pipeline 25, an inner fixing frame 26, a second motor 27, an outer fixing frame 28, fan blades 29, a filter cotton block 30 and a floor cabinet body 31.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1 to 7, the mobile alarm for detecting combustible gas comprises a shell 1, wherein the shell 1 is of a cylindrical structure, an alarm body 20 is installed at the upper end of the shell 1, an upper cover 2 is fixedly arranged at the outer ring of one end of the alarm body 20 close to an alarm end 3, and the upper cover 2 is fixedly connected to one end of the shell 1 far from an upper plate 9 through screws; the upper end of alarm body 20 is warning end 3, and warning end 3 is used for audible-visual annunciation to show, and the lower extreme of alarm body 20 is monitoring end 21, and monitoring end 21 is used for monitoring combustible gas.
A detection cavity 24 is formed between the lower part of the alarm body 20 and the interior of the shell 1, an upper plate 9 is fixedly arranged at the lower end of the shell 1, a fixing component is arranged on one surface, far away from the shell 1, of the upper plate 9, and the shell 1 is installed on a gas pipeline 25 by the fixing component;
the fixing component comprises a lower plate 10, an upper half ring 11, a lower half ring 12, a connecting plate 13 and balls 14, wherein the lower plate 10 is arranged on one surface of the upper plate 9 far away from the shell 1, the upper half ring 11 is fixedly arranged on one surface of the lower plate 10 far away from the upper plate 9, the lower half ring 12 is spliced on one end of the upper half ring 11 far away from the lower plate 10, a circular ring structure is formed between the upper half ring 11 and the lower half ring 12, the connecting plate 13 is fixedly arranged at one end, close to each other, of the upper half ring 11 and the lower half ring 12, the two corresponding connecting plates 13 are fixed through screws, the balls 14 are movably embedded on the inner wall of one side, close to each other, of the upper half ring 11 and the lower half ring 12, and the balls 14 are provided with multiple groups;
be provided with on hypoplastron 10 and rotate groove 16, it is provided with gyro wheel 17 to roll in rotating groove 16, and the hypoplastron 10 is close to fixed mounting on the one side of upper plate 9 has first motor 18, and when first motor 18 drive gyro wheel 17 rolled, gyro wheel 17 rolled along gas pipeline 25 to make casing 1 remove along gas pipeline 25 distribution direction, realize portable monitoring's purpose, can monitor along gas pipeline 25 distribution direction combustible gas's the leakage condition.
An air inlet pipe 4 is fixedly arranged at the outer ring of one side of the shell 1, an air outlet pipe 5 is fixedly arranged at the outer ring of the other side of the shell 1, the air inlet pipe 4 and the air outlet pipe 5 are communicated with the inside and the outside of the shell 1, fixing parts are arranged in the air inlet pipe 4 and the air outlet pipe 5, each fixing part comprises an inner fixing frame 26 and an outer fixing frame 28, each outer fixing frame 28 is of an annular structure, each outer fixing frame 28 is connected to the corresponding inner ring of the air inlet pipe 4 and the corresponding inner ring of the air outlet pipe 5 in a threaded fit mode, each inner fixing frame 26 is of a cross-shaped structure, each inner fixing frame 26 is fixedly arranged at the inner ring of each outer fixing frame 28, a second motor 27 is fixedly arranged on each inner fixing frame 26 in each air inlet pipe 4, and each second motor 27 is in transmission connection with a fan blade 29; fixed being provided with on the internal fixation frame 26 in the outlet duct 5 filters cotton piece 30, during the one end that filters cotton piece 30 and keep away from internal fixation frame 26 stretched into detection chamber 24, the structure of internal fixation frame 26 and external fixation frame 28 sets up rationally, conveniently holds internal fixation frame 26 and rotates external fixation frame 28 for external fixation frame 28 makes things convenient for the dismouting, and internal fixation frame 26 is used for supporting corresponding filtration cotton piece 30 and second motor 27.
When the housing 1 moves along the distribution direction of the gas pipeline 25, the second motor 27 is started, the second motor 27 drives the fan blades 29 to rotate to generate suction force, so that gas near the gas pipeline 25 is sucked into the detection cavity 24, the monitoring end 21 monitors the combustibility of the gas in a flowing state, and the situation that the combustible gas is gathered together and does not meet the monitoring end 21 is avoided.
And based on the arrangement of the fan blades 29, the gas can be discharged to the outer wall of the wall body 19 from the gas inlet pipe 4, the detection cavity 24, the gas outlet pipe 5, the hose 7 and the discharge pipe 8 in sequence, so that the combustible gas can be discharged, and the safety accidents caused by the combustible gas gathering in the floor cabinet body 31 or indoors can be avoided.
Considering that a large amount of dust is generated when the detection cavity 24 is used for gas circulation for a long time, a threaded hole is formed in the periphery of the shell 1, the cleaning pipe 6 is connected in the threaded hole in a threaded fit manner, a cotton column 23 is fixedly arranged at one end, close to the periphery of the shell 1, of the cleaning pipe 6, the monitoring end 21 is located in the middle of the detection cavity 24, and the monitoring end 21 is located above the cotton column 23; during the activity of boll 23 stretched into detection chamber 24, the fixed burr 22 that is provided with in outer lane department of boll 23, burr 22 was provided with the multiunit, and multiunit burr 22 is circular array form and distributes, when rotating clearance pipe 6 and opening, can pull out dust, batting etc. from screw hole department through burr 22, especially invert the more convenient clearance when placing at casing 1, can regularly clear away dust, batting etc. in the detection chamber 24.
The fixed hose 7 that is provided with of one end that casing 1 was kept away from to outlet duct 5, hose 7 are tortuous hose construction, and the fixed discharge pipe 8 that is provided with of one end that outlet duct 5 was kept away from to hose 7, and hose 7 is scalable, makes things convenient for casing 1 to adapt to when removing along gas pipeline 25.
The gas pipeline 25 is arranged inside the floor cabinet body 31, the floor cabinet body 31 is arranged on one side of the wall body 19, and when the shell 1 is arranged on the gas pipeline 25, one end of the discharge pipe 8, which is far away from the hose 7, movably penetrates through the floor cabinet body 31 and the wall body 19 and extends out of one surface of the wall body 19, which is far away from the floor cabinet body 31.
The middle part of one surface of the upper plate 9 close to the lower plate 10 is fixedly provided with an expansion piece 15, and one end of the expansion piece 15 far away from the upper plate 9 is fixedly arranged in the middle part of one surface of the lower plate 10 close to the upper plate 9; the telescopic piece 15 is a spring telescopic rod; the expansion piece 15 can be automatically expanded and contracted by using elasticity, so that obstacles above the gas pipeline 25 can be conveniently avoided.
Example 2
The telescopic member 15 is an electric push rod, and the telescopic member 15 can push the casing 1 to lift, so that the casing 1 is installed at a proper position in the floor cabinet body 31.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a portable alarm for combustible gas detects, includes casing (1), casing (1) is cylindric structure, and alarm body (20) are installed to the upper end of casing (1), the upper end of alarm body (20) is warning end (3), and the lower extreme of alarm body (20) is monitoring end (21), its characterized in that, form between the below of alarm body (20) and the inside of casing (1) and detect chamber (24), the lower extreme of casing (1) is fixed and is provided with upper plate (9), the one side that casing (1) was kept away from to upper plate (9) is provided with fixed subassembly, and fixed subassembly installs casing (1) on gas pipeline (25);
the fixing assembly comprises a lower plate (10), an upper half ring (11), a lower half ring (12), connecting plates (13) and balls (14), wherein the lower plate (10) is arranged on one surface, away from the shell (1), of the upper plate (9), the upper half ring (11) is fixedly arranged on one surface, away from the upper plate (9), of the lower plate (10), the lower half ring (12) is spliced on one end, away from the lower plate (10), of the upper half ring (11), a circular ring structure is formed between the upper half ring (11) and the lower half ring (12), the connecting plates (13) are fixedly arranged at one ends, close to each other, of the upper half ring (11) and the lower half ring (12), the two corresponding connecting plates (13) are fixed through screws, the balls (14) are movably embedded on the inner walls, close to each other, of the upper half ring (11) and the lower half ring (12), and the balls (14) are provided with multiple groups;
the middle part of one surface, close to the lower plate (10), of the upper plate (9) is fixedly provided with an expansion piece (15), and one end, far away from the upper plate (9), of the expansion piece (15) is fixedly arranged in the middle part of one surface, close to the upper plate (9), of the lower plate (10);
the gas pipeline gas-liquid separation device is characterized in that a rotating groove (16) is formed in the lower plate (10), rollers (17) are arranged in the rotating groove (16) in a rolling mode, a first motor (18) is fixedly mounted on one surface, close to the upper plate (9), of the lower plate (10), and when the rollers (17) are driven by the first motor (18) to roll, the rollers (17) roll along the gas pipeline (25), so that the shell (1) moves along the distribution direction of the gas pipeline (25).
2. The mobile alarm for detecting combustible gas according to claim 1, wherein: the fixed intake pipe (4) that is provided with in one side outer lane department of casing (1), the fixed outlet duct (5) that is provided with in opposite side outer lane department of casing (1), intake pipe (4) and outlet duct (5) all communicate the inside and outside of casing (1), all be provided with the mounting in intake pipe (4) and outlet duct (5), the mounting includes internal fixation frame (26) and external fixation frame (28), external fixation frame (28) are the loop configuration, and external fixation frame (28) are connected in intake pipe (4), outlet duct (5) inner circle department that correspond through screw-thread fit, internal fixation frame (26) are the cruciform structure, and internal fixation frame (26) are fixed to be set up the inner circle department of external fixation frame (28), fixed mounting has second motor (27) on internal fixation frame (26) in intake pipe (4), the transmission is connected with flabellum (29) on second motor (27).
3. The mobile alarm for detecting combustible gas according to claim 2, wherein: a filtering cotton block (30) is fixedly arranged on the inner fixing frame (26) in the air outlet pipe (5), and one end, far away from the inner fixing frame (26), of the filtering cotton block (30) extends into the detection cavity (24).
4. The mobile alarm for detecting combustible gas according to claim 1, wherein: the periphery of casing (1) is provided with the screw hole, is connected with clearance pipe (6) through screw-thread fit in the screw hole, clearance pipe (6) are close to fixed cotton column (23) that is provided with of one end of casing (1) periphery, cotton column (23) activity stretches into in detecting chamber (24), the fixed burr (22) that is provided with of outer lane department of cotton column (23), burr (22) are provided with the multiunit, and multiunit burr (22) are circular array form and distribute.
5. The mobile alarm for detecting combustible gas according to claim 2, wherein: the one end that casing (1) was kept away from in outlet duct (5) is fixed to be provided with hose (7), the one end that outlet duct (5) were kept away from in hose (7) is fixed to be provided with discharge pipe (8).
6. The mobile alarm for detecting combustible gas according to claim 1, wherein: alarm body (20) are close to the fixed upper cover (2) that is provided with in one end outer lane department of warning end (3), upper cover (2) are through the one end of screw fixed connection keeping away from upper plate (9) in casing (1).
7. The mobile alarm for detecting combustible gas according to claim 4, wherein: the monitoring end (21) is positioned in the middle of the detection cavity (24), and the monitoring end (21) is positioned above the cotton column (23).
8. The portable flammable gas detection alarm of claim 5, wherein: gas pipeline (25) set up inside floor cabinet body (31), one side at wall body (19) is installed in floor cabinet body (31), when casing (1) was installed on gas pipeline (25), the one end activity that hose (7) were kept away from in discharge pipe (8) passed floor cabinet body (31) and wall body (19) and stretched out wall body (19) and keep away from the one side of floor cabinet body (31).
9. The portable flammable gas detection alarm of claim 5, wherein: the hose (7) is of a zigzag hose structure.
10. The portable flammable gas detection alarm of claim 1, wherein: the telescopic piece (15) is a spring telescopic rod or an electric push rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211680777.8A CN115662074A (en) | 2022-12-27 | 2022-12-27 | Alarm for mobile combustible gas detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211680777.8A CN115662074A (en) | 2022-12-27 | 2022-12-27 | Alarm for mobile combustible gas detection |
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CN115662074A true CN115662074A (en) | 2023-01-31 |
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CN202211680777.8A Pending CN115662074A (en) | 2022-12-27 | 2022-12-27 | Alarm for mobile combustible gas detection |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN209447309U (en) * | 2019-04-11 | 2019-09-27 | 连云港雨航消防科技有限公司 | Domestic gas induction alarm device |
CN210398417U (en) * | 2019-07-19 | 2020-04-24 | 湛江新奥燃气有限公司 | Gas pipeline leakage detection device with high reliability and high sensitivity |
CN213495102U (en) * | 2020-10-12 | 2021-06-22 | 天津市金维创科技发展有限公司 | Cleaning device for infrared curtain detector |
CN213958207U (en) * | 2020-11-26 | 2021-08-13 | 何发明 | Be used for kitchen from people alarm device |
CN215260301U (en) * | 2021-06-07 | 2021-12-21 | 郑州厨盾消防科技有限公司 | Kitchen gas leakage detection device |
CN215987544U (en) * | 2021-09-26 | 2022-03-08 | 武汉鑫丰腾工程科技有限公司 | Combustible gas detection alarm system |
CN216480295U (en) * | 2021-10-28 | 2022-05-10 | 北京北燃港华燃气有限公司 | Natural gas leakage detection device |
CN216747641U (en) * | 2021-12-30 | 2022-06-14 | 昆山良洲机电设备有限公司 | Point type combustible gas detector |
CN216955001U (en) * | 2022-02-07 | 2022-07-12 | 深圳市睿荔科技有限公司 | Gas leakage detection device |
CN217640371U (en) * | 2022-05-25 | 2022-10-21 | 海南中伟科技有限公司 | Gas filtering device of air suction type fire detector |
-
2022
- 2022-12-27 CN CN202211680777.8A patent/CN115662074A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN209447309U (en) * | 2019-04-11 | 2019-09-27 | 连云港雨航消防科技有限公司 | Domestic gas induction alarm device |
CN210398417U (en) * | 2019-07-19 | 2020-04-24 | 湛江新奥燃气有限公司 | Gas pipeline leakage detection device with high reliability and high sensitivity |
CN213495102U (en) * | 2020-10-12 | 2021-06-22 | 天津市金维创科技发展有限公司 | Cleaning device for infrared curtain detector |
CN213958207U (en) * | 2020-11-26 | 2021-08-13 | 何发明 | Be used for kitchen from people alarm device |
CN215260301U (en) * | 2021-06-07 | 2021-12-21 | 郑州厨盾消防科技有限公司 | Kitchen gas leakage detection device |
CN215987544U (en) * | 2021-09-26 | 2022-03-08 | 武汉鑫丰腾工程科技有限公司 | Combustible gas detection alarm system |
CN216480295U (en) * | 2021-10-28 | 2022-05-10 | 北京北燃港华燃气有限公司 | Natural gas leakage detection device |
CN216747641U (en) * | 2021-12-30 | 2022-06-14 | 昆山良洲机电设备有限公司 | Point type combustible gas detector |
CN216955001U (en) * | 2022-02-07 | 2022-07-12 | 深圳市睿荔科技有限公司 | Gas leakage detection device |
CN217640371U (en) * | 2022-05-25 | 2022-10-21 | 海南中伟科技有限公司 | Gas filtering device of air suction type fire detector |
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Application publication date: 20230131 |