CN112664816A - Waterproof protection device for gas pipeline - Google Patents
Waterproof protection device for gas pipeline Download PDFInfo
- Publication number
- CN112664816A CN112664816A CN202011489041.3A CN202011489041A CN112664816A CN 112664816 A CN112664816 A CN 112664816A CN 202011489041 A CN202011489041 A CN 202011489041A CN 112664816 A CN112664816 A CN 112664816A
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- Prior art keywords
- groove
- plate
- fixedly connected
- gas pipeline
- limiting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/12—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by excess or release of pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/38—Component parts; Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/38—Component parts; Accessories
- F16T1/42—Actuating mechanisms of slide valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a waterproof protection device for a gas pipeline, which comprises a box body, wherein a water receiving groove is arranged on the lower side of the box body, a plurality of clamping mechanisms used for clamping the water receiving groove are arranged in the box body, two connecting pipelines are fixedly connected to the upper end of the box body, a groove is arranged at the lower end of the box body, the groove is communicated with the bottom in the box body through a through hole, a sealing plate is connected in the through hole in a sealing and sliding manner, and a reset mechanism used for resetting the sealing plate is arranged in the groove. When the gas pipeline is cleaned and protected, the gas cannot escape, energy is saved, the gas pipeline cleaning device is environment-friendly, the time of workers is saved, and the use of users cannot be influenced.
Description
Technical Field
The invention relates to the technical field of gas pipeline protection devices, in particular to a waterproof protection device for a gas pipeline.
Background
The gas pipe is a special pipeline for conveying combustible gas, and a metal gas pipe hose is used for replacing a traditional buckle-type rubber hose, so that the defects that the rubber hose is easy to fall off, age and bite insects and has short service life can be overcome; the gas pipe has the characteristics of convenient installation, reliable connection, corrosion resistance, no gas blockage, good flexibility, long service life, capability of being bent at will without deformation, no gas blockage and the like.
Traditional gas pipeline lacks waterproof system, after the live time has been of a specified duration, can lead to the inside lower position of pipeline to intake because natural reason and artificial reason to block up the transport of gas, need stop the gas investigation by a large scale and take water and just can continue to use, influence the resident family easily and use gas and comparatively delay maintenance personal's time, in the maintenance process that stops the gas, the gas in the pipeline can directly be dissipated to the air in addition, air pollution on the one hand, on the other hand is comparatively extravagant the energy.
Therefore, we propose a waterproof protection device for a gas pipeline to solve the above problems.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, water is easy to accumulate in a gas pipeline to influence the delivery of gas, and provides a waterproof protection device for the gas pipeline.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a gas pipeline water proof device, includes the box, the downside of box is equipped with the water receiving tank, be equipped with a plurality of latch mechanisms that are used for butt joint basin to carry out the joint in the box, two connecting tube of the upper end fixedly connected with of box, the lower extreme of box is equipped with the recess, be linked together through the through-hole between recess and the box bottom, sealed sliding connection has the closing plate in the through-hole, be equipped with the canceling release mechanical system that is used for resetting the closing plate in the recess.
Preferably, the clamping mechanism is including setting up the standing groove at the box lower extreme, be equipped with the joint board in the standing groove, the lower extreme of joint board and the upper end fixed connection of water receiving tank, be equipped with the joint groove on the lateral wall of joint board, sliding connection has first wedge in the joint groove, through first spring fixed connection between first wedge and the joint inslot bottom, be equipped with in the standing groove with first wedge assorted draw-in groove, be equipped with in the draw-in groove and be used for carrying out ejecting ejection mechanism to first wedge.
Preferably, ejection mechanism include with draw-in groove inside wall sliding connection's roof, the one end fixedly connected with push rod of first wedge is kept away from to the roof, the push rod overcoat is equipped with the second spring, the both ends of second spring respectively with draw-in groove interior bottom and roof fixed connection, the one end that the roof was kept away from to the push rod slides and runs through box and fixedly connected with and pushes away the handle.
Preferably, one end of the first wedge-shaped block, which is far away from the bottom in the clamping groove, is provided with a smooth inclined surface, and the inclined surface faces upwards.
Preferably, canceling release mechanical system include with recess inside wall sliding connection's slide, the upper end of slide and the lower extreme fixed connection of closing plate, the slide runs through from top to bottom and is equipped with a plurality of tyes, be equipped with a plurality of cavitys in the box, sliding connection has the limiting plate in the cavity, the lower extreme fixedly connected with connecting rod of limiting plate, the lower extreme of connecting rod slide run through the box and with the upper end fixed connection of slide, the connecting rod overcoat is equipped with the third spring, the upper and lower both ends of third spring respectively with limiting plate and cavity inside wall fixed connection.
Preferably, all sides of the sealing plate and the upper end are provided with a plurality of L-shaped through holes in a penetrating mode, the top is provided with a limiting groove in the groove, a limiting rod is fixedly connected in the limiting groove, a limiting block is connected to the outer side of the limiting rod in a sliding mode, a second wedge block is fixedly connected to the lower end of the limiting block, the upper end of the second wedge block is connected with the groove in a sliding mode, the second wedge block is matched with the L-shaped through holes, a fourth spring is sleeved outside the limiting rod, and the two ends of the fourth spring are respectively fixedly connected with the inner side wall of the limiting groove and the limiting block.
Preferably, one end of the second wedge-shaped block, which is close to the sealing plate, is provided with a smooth inclined surface, and the inclined surface faces downwards.
Preferably, the bottom in the box body is arranged in an arc shape.
Preferably, transition pipelines are fixedly mounted above the two connecting pipelines, and valves are arranged on the transition pipelines.
Preferably, the water receiving tank is made of a transparent acrylic plate, and an air outlet hole penetrates through the side wall of the water receiving tank.
Compared with the prior art, the invention has the beneficial effects that:
through the arrangement of the reset mechanism and the second wedge-shaped block, when a certain amount of water is accumulated in the box body, the sealing plate is pressed to sink under the action of the gravity of the water until the lower end of the L-shaped through hole in the sealing plate is communicated with the groove, the second wedge-shaped block is inserted into the L-shaped through hole under the action of the fourth spring at the moment, the water in the box body is released through the plurality of L-shaped through holes and falls into the water receiving tank, when the L-shaped through hole continuously releases the water, the second wedge-shaped block gives a reverse downward force to the sealing plate, the pressure of the water on the sealing plate is insufficient due to the flow of the water, the sealing plate rises under the action of the plurality of third springs, the second wedge-shaped block can prevent the sealing plate from blocking the through hole, when the water flows out a certain amount, the pressure of the water and the elasticity of the fourth spring are smaller than the rising force of the sealing plate, the sealing plate can, then can be through pull down the water receiving tank with water clearance can, still can have some water in the through-hole this moment, and the gas above the water can not be linked together with the recess, the gas can be with the log raft play in the pipeline in the use that lasts promptly, need not the staff and carries out the gas shut down investigation by a large scale, saves staff's time, can not influence user's use, the gas can not produce the loss yet, the energy saving, friendly to the environment, the effect of use is better.
When the gas pipeline is cleaned and protected, the gas cannot escape, energy is saved, the gas pipeline cleaning device is environment-friendly, the time of workers is saved, and the use of users cannot be influenced.
Drawings
Fig. 1 is a schematic front structural view of a waterproof protection device for a gas pipeline provided by the invention;
FIG. 2 is a front perspective view of a waterproof protection device for a gas pipeline according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is an enlarged view at C of FIG. 2;
FIG. 6 is a schematic view of a connection structure of a sealing plate and a sliding plate in the waterproof protection device for a gas pipeline according to the present invention;
fig. 7 is a perspective view of a sealing plate in a waterproof protection device for a gas pipeline according to the present invention.
In the figure: the box body 1, the water receiving groove 2, the clamping mechanism 3, the connecting pipeline 4, the groove 5, the through hole 6, the sealing plate 7, the resetting mechanism 8, the placing groove 9, the clamping plate 10, the clamping groove 11, the first wedge-shaped block 12, the first spring 13, the clamping groove 14, the ejection mechanism 15, the top plate 16, the push rod 17, the second spring 18, the push handle 19, the sliding plate 20, the drain hole 21, the cavity 22, the limiting plate 23, the connecting rod 24, the third spring 25, the limiting groove 26, the limiting rod 27, the limiting block 28, the second wedge-shaped block 29, the fourth spring 30, the transition pipeline 31, the valve 32, the vent hole 33 and the through hole 34L.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-7, a gas pipeline water proof device, including box 1, it needs to explain, the bottom is the arc setting in box 1, the downside of box 1 is equipped with water receiving tank 2, it needs to explain, water receiving tank 2 adopts transparent acrylic plate preparation, it is equipped with venthole 33 to run through on the lateral wall of water receiving tank 2, be equipped with a plurality of latch mechanisms 3 that are used for butt joint basin 2 to carry out the joint in box 1, specifically, latch mechanisms 3 is including setting up standing groove 9 at box 1 lower extreme, be equipped with joint board 10 in standing groove 9, the lower extreme of joint board 10 and the upper end fixed connection of water receiving tank 2, be equipped with joint groove 11 on the lateral wall of joint board 10, sliding connection has first wedge 12 in joint groove 11, it needs to explain, the one end that first wedge 12 is far away from the bottom in joint groove 11 is equipped with smooth inclined plane, the inclined plane is upwards facing.
In the invention, a first wedge-shaped block 12 is fixedly connected with the bottom in a clamping groove 11 through a first spring 13, a clamping groove 14 matched with the first wedge-shaped block 12 is arranged in a placing groove 9, an ejection mechanism 15 for ejecting the first wedge-shaped block 12 is arranged in the clamping groove 14, the ejection mechanism 15 comprises a top plate 16 in sliding connection with the inner side wall of the clamping groove 14, one end of the top plate 16 far away from the first wedge-shaped block 12 is fixedly connected with a push rod 17, a second spring 18 is sleeved outside the push rod 17, two ends of the second spring 18 are respectively fixedly connected with the bottom in the clamping groove 14 and the top plate 16, one end of the push rod 17 far away from the top plate 16 slides to penetrate through a box body 1 and is fixedly connected with a push handle 19, two connecting pipelines 4 are fixedly connected with the upper end of the box body 1, a transition pipeline 31 is fixedly installed above the two connecting pipelines 4, it should be noted that the transition pipeline 31 and the connecting pipelines 4 are fixedly installed through flange, a valve 32 is arranged on the transition pipeline 31.
In the invention, the lower end of the box body is provided with a groove 5, the groove 5 is communicated with the inner bottom of the box body 1 through a through hole 6, a sealing plate 7 is connected in the through hole 6 in a sealing and sliding manner, it is noted that a plurality of L-shaped through holes 34 are arranged on the periphery and the upper end of the sealing plate 7 in a penetrating manner, it is noted that the plurality of L-shaped through holes 34 are distributed on the sealing plate 7 in an annular array manner, a limiting groove 26 is arranged at the inner top of the groove 5, a limiting rod 27 is fixedly connected in the limiting groove 26, a limiting block 28 is connected outside the limiting rod 27 in a sliding manner, the lower end of the limiting block 28 is fixedly connected with a second wedge-shaped block 29, it is noted that one end of the second wedge-shaped block 29 close to the sealing plate 7 is provided with a smooth inclined surface facing downwards, the upper end of the second wedge-shaped block 29 is connected with the, it should be noted that the elastic force of the fourth spring 30 is slightly smaller than the sum of the elastic forces of the four third springs 25.
In the invention, two ends of a fourth spring 30 are respectively and fixedly connected with the inner side wall of a limiting groove 26 and a limiting block 28, a resetting mechanism 8 for resetting a sealing plate 7 is arranged in a groove 5, further, the resetting mechanism 8 comprises a sliding plate 20 which is in sliding connection with the inner side wall of the groove 5, the upper end of the sliding plate 20 is fixedly connected with the lower end of the sealing plate 7, a plurality of water flowing holes 21 are arranged in the sliding plate 20 in a vertical penetrating manner, a plurality of cavities 22 are arranged in a box body 1, limiting plates 23 are connected in the cavities 22 in a sliding manner, the lower ends of the limiting plates 23 are fixedly connected with a connecting rod 24, the lower ends of the connecting rod 24 penetrate through the box body 1 in a sliding manner and are fixedly connected with the upper end of the sliding plate 20, a third spring.
In the invention, when a certain amount of water is accumulated in the box body 1, the sealing plate 7 is pressed to sink under the action of the gravity of the water until the lower end of the L-shaped through hole 34 on the sealing plate 7 is communicated with the groove 5, at the moment, the second wedge-shaped block 29 is inserted into the L-shaped through hole 34 under the action of the fourth spring 30, at the moment, the water in the box body 1 is released through the plurality of L-shaped through holes 34 and falls into the water receiving tank 2, when the L-shaped through hole 34 continuously releases the water, the second wedge-shaped block 29 gives a reverse downward force to the sealing plate 7, the pressure of the water on the sealing plate 7 is insufficient due to the flow of the water, the sealing plate 7 rises under the action of the plurality of third springs 25, at the moment, the second wedge-shaped block 29 prevents the sealing plate 7 from blocking the through hole 6, when the water flows out a certain amount, the pressure of the residual water on the sealing plate 7 and the elasticity of the fourth spring 30 are smaller than the rising force of, the through hole 6 is plugged up again to the closing plate 7, then can through pull down water receiving tank 2 with the water clearance can, still can have some water in the through hole 6 this moment, and the gas above the water can not be linked together with recess 5, the gas can be with the water escape in the pipeline in the use that lasts promptly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a gas pipeline water proof device, includes box (1), its characterized in that, the downside of box (1) is equipped with water receiving tank (2), be equipped with a plurality of clamping mechanism (3) that are used for butt joint basin (2) to carry out the joint in box (1), two connecting tube of upper end fixedly connected with (4) of box (1), the lower extreme of box is equipped with recess (5), be linked together through-hole (6) between bottom in recess (5) and box (1), through-hole (6) inner seal sliding connection has closing plate (7), be equipped with in recess (5) and be used for carrying out canceling release mechanical system (8) that reset to closing plate (7).
2. The waterproof protection device for the gas pipeline according to claim 1, characterized in that the clamping mechanism (3) comprises a placing groove (9) arranged at the lower end of the box body (1), a clamping plate (10) is arranged in the placing groove (9), the lower end of the clamping plate (10) is fixedly connected with the upper end of the water receiving groove (2), a clamping groove (11) is formed in the side wall of the clamping plate (10), a first wedge block (12) is slidably connected in the clamping groove (11), the first wedge block (12) is fixedly connected with the inner bottom of the clamping groove (11) through a first spring (13), a clamping groove (14) matched with the first wedge block (12) is formed in the placing groove (9), and an ejection mechanism (15) used for ejecting the first wedge block (12) is arranged in the clamping groove (14).
3. The waterproof protection device for the gas pipeline, according to claim 2, is characterized in that the ejection mechanism (15) comprises a top plate (16) slidably connected with the inner side wall of the clamping groove (14), one end of the top plate (16) far away from the first wedge-shaped block (12) is fixedly connected with a push rod (17), a second spring (18) is sleeved outside the push rod (17), two ends of the second spring (18) are respectively fixedly connected with the bottom and the top plate (16) in the clamping groove (14), and one end of the push rod (17) far away from the top plate (16) slidably penetrates through the box body (1) and is fixedly connected with a push handle (19).
4. The waterproof protection device for the gas pipeline is characterized in that one end, far away from the bottom in the clamping groove (11), of the first wedge-shaped block (12) is provided with a smooth inclined surface, and the inclined surface faces upwards.
5. The waterproof protection device for the gas pipeline according to claim 1, the reset mechanism (8) comprises a sliding plate (20) which is connected with the inner side wall of the groove (5) in a sliding way, the upper end of the sliding plate (20) is fixedly connected with the lower end of the sealing plate (7), a plurality of water flowing holes (21) are arranged on the sliding plate (20) in a vertically penetrating manner, a plurality of cavities (22) are arranged in the box body (1), limiting plates (23) are connected in the cavities (22) in a sliding way, the lower end of the limiting plate (23) is fixedly connected with a connecting rod (24), the lower end of the connecting rod (24) penetrates through the box body (1) in a sliding manner and is fixedly connected with the upper end of the sliding plate (20), connecting rod (24) overcoat is equipped with third spring (25), the upper and lower both ends of third spring (25) respectively with limiting plate (23) and cavity (22) inside wall fixed connection.
6. The waterproof protection device for the gas pipeline according to claim 1, wherein a plurality of L-shaped through holes (34) are arranged in the circumferential side and the upper end of the sealing plate (7) in a penetrating manner, a limiting groove (26) is arranged at the top in the groove (5), a limiting rod (27) is fixedly connected in the limiting groove (26), a limiting block (28) is connected to the outer side of the limiting rod (27) in a sliding manner, a second wedge block (29) is fixedly connected to the lower end of the limiting block (28), the upper end of the second wedge block (29) is connected with the top in the groove (5) in a sliding manner, the second wedge block (29) is matched with the L-shaped through holes (34), a fourth spring (30) is sleeved outside the limiting rod (27), and two ends of the fourth spring (30) are fixedly connected with the limiting groove (26) and the inner side wall (28) respectively.
7. The waterproof device for the gas pipeline as claimed in claim 6, wherein one end of the second wedge-shaped block (29) close to the sealing plate (7) is provided with a smooth inclined surface, and the inclined surface faces downwards.
8. The waterproof protection device for the gas pipeline according to claim 1, wherein the bottom in the box body (1) is arc-shaped.
9. The waterproof protection device for the gas pipeline according to claim 1, wherein a transition pipeline (31) is fixedly installed above each of the two connecting pipelines (4), and a valve (32) is arranged on each transition pipeline (31).
10. The waterproof protection device for the gas pipeline according to claim 1, wherein the water receiving tank (2) is made of a transparent acrylic plate, and an air outlet (33) is arranged on the side wall of the water receiving tank (2) in a penetrating mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011489041.3A CN112664816B (en) | 2020-12-16 | 2020-12-16 | Waterproof protection device for gas pipeline |
| CN202210176645.5A CN114542939A (en) | 2020-12-16 | 2020-12-16 | Gas pipeline waterproof protection device convenient to overhaul and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011489041.3A CN112664816B (en) | 2020-12-16 | 2020-12-16 | Waterproof protection device for gas pipeline |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210176645.5A Division CN114542939A (en) | 2020-12-16 | 2020-12-16 | Gas pipeline waterproof protection device convenient to overhaul and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112664816A true CN112664816A (en) | 2021-04-16 |
| CN112664816B CN112664816B (en) | 2022-06-03 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210176645.5A Pending CN114542939A (en) | 2020-12-16 | 2020-12-16 | Gas pipeline waterproof protection device convenient to overhaul and using method |
| CN202011489041.3A Active CN112664816B (en) | 2020-12-16 | 2020-12-16 | Waterproof protection device for gas pipeline |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210176645.5A Pending CN114542939A (en) | 2020-12-16 | 2020-12-16 | Gas pipeline waterproof protection device convenient to overhaul and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN114542939A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116271631A (en) * | 2023-05-18 | 2023-06-23 | 西安科齐电子科技有限责任公司 | Automatic fire extinguishing system in switch board based on thing networking is reported to police |
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| CN116271631A (en) * | 2023-05-18 | 2023-06-23 | 西安科齐电子科技有限责任公司 | Automatic fire extinguishing system in switch board based on thing networking is reported to police |
| CN116271631B (en) * | 2023-05-18 | 2023-09-12 | 河北新大长远电力科技股份有限公司 | Automatic fire extinguishing system in switch board based on thing networking is reported to police |
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| Publication number | Publication date |
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| CN114542939A (en) | 2022-05-27 |
| CN112664816B (en) | 2022-06-03 |
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