CN115779325B - Fire extinguisher with intelligent pressure detection assembly - Google Patents
Fire extinguisher with intelligent pressure detection assembly Download PDFInfo
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- CN115779325B CN115779325B CN202211719044.0A CN202211719044A CN115779325B CN 115779325 B CN115779325 B CN 115779325B CN 202211719044 A CN202211719044 A CN 202211719044A CN 115779325 B CN115779325 B CN 115779325B
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- 238000001514 detection method Methods 0.000 title claims abstract description 96
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 45
- 239000000843 powder Substances 0.000 claims description 30
- 230000000149 penetrating effect Effects 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 101150055721 ABC4 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The application discloses a fire extinguisher with an intelligent pressure detection component, belonging to the technical field of fire extinguishers, comprising a tank body; a detection seat; the upper end surface of the detection seat is provided with a plurality of communication grooves communicated with the sliding cavity; the sliding block is clamped in the sliding cavity and forms sliding fit with the sliding cavity; the pressure sensor is arranged in the sliding cavity and matched with the sliding block for use. The high-pressure gas enters the sliding cavity of the detection seat through the communication groove and generates thrust to the sliding block, so that the sliding block moves towards the direction of the pressure sensor, the sliding block generates extrusion force to the pressure sensor, the pressure sensor generates pressure signals, the pressure signals are fed back to an external control module through the wireless transmission module, and the sliding block can abut against the pressure sensor only when the internal pressure of the tank is enough, so that the pressure signals of the pressure sensor are displayed through the control module, and whether the pressure in the fire extinguisher is enough can be judged, and intelligent detection of the internal pressure of the fire extinguisher is realized.
Description
Technical Field
The application relates to the technical field of fire extinguishers, in particular to a fire extinguisher with an intelligent pressure detection component.
Background
The fire extinguisher has the service life and has a certain air leakage site. So that the air pressure becomes low when the storage time is too long. The fire department strongly stipulates that the common MFC/ABC4 dry powder fire extinguisher should be maintained once every year after leaving the factory for five years and replaced after three years. According to the principle of thermal expansion and contraction, when the ambient temperature is high, the air pressure of the fire extinguisher can be increased, so that certain air pressure fluctuation exists throughout the year. Meanwhile, the fire extinguisher itself slowly leaks air along with the growth of the years, so that the air pressure can be lowered when the fire extinguisher is stored for too long. The fire extinguisher is provided with a pressure gauge for dividing into three pressure areas of red, green and yellow, the pointer indicates that the air pressure in the fire extinguisher is normal in the green range, the fire extinguisher can be used with confidence, and the pointer indicates that the pressure is too high in the yellow range, so that the fire extinguisher can be used with enhanced inspection. The pointer in the red area indicates that the pressure is lower than the normal value, can not be used normally, and needs to be maintained or replaced immediately-! Attention is paid to the quality guarantee period of the fire extinguisher, attention is paid to the pressure state of the fire extinguisher, and people who know the pressure state of the fire extinguisher, but fluctuation is not large, the common pressure of the fire extinguisher in summer is higher, and the common pressure of the fire extinguisher in winter is lower, so that frequent price difference is necessary.
Such as the patent: CN201921342293 discloses a directly perceived readable fire extinguisher pressure indicating device and fire extinguisher, but through direct observation and have the manometer structure of pilot lamp, directly perceived readable fire extinguisher pressure indicating device can be under the not good environment of light condition, directly perceived the present pressure condition of fire extinguisher, though can satisfy basic effect of detection, still can have following problem in specific use:
(1) The tank body of the fire extinguisher is generally in a high-pressure state, but when the fire extinguisher is stored for a long time, the internal pressure can be reduced, so that the fire extinguisher cannot be used normally, the internal pressure of the dry powder fire extinguisher needs to be detected, if a measuring assembly is damaged, the display of the pressure gauge can be out of order, generally along with the delay of the placement time, if the air leakage pressure is low, the pointer of the pressure gauge can not be transformed correspondingly, the pressure in the fire extinguisher cannot be reflected timely, and a certain potential safety hazard exists;
(2) The fire extinguisher is generally standby, and is placed in the fire box for a long time, personnel can check regularly, and built-in dry powder can be because of long-term settlement and the condition that appears hardening under the condition of standing for a long time, when using dry powder extinguisher, need upward, down several down, powdery dry powder will become loose, and when using under the atmospheric pressure effect, with dry powder all spray out to reach the fire extinguishing effect, but under urgent chaotic condition, often can appear forgetting to rock and directly use, can have the dry powder of hardening to go out powder inefficiency, thereby influence fire extinguishing efficiency.
Therefore, the application provides the fire extinguisher with the auxiliary detection component, which can accurately detect the internal force in real time through the built-in detection component, and avoid potential safety hazards caused by incapability of judging when the pressure component at the existing port fails. Simultaneously, the stirring structure inside can be automatically started when the fire extinguisher is used, and dry powder is stirred, so that the fire extinguishing efficiency is improved.
Disclosure of Invention
The application aims to overcome the defects of the prior art, provides a fire extinguisher with an intelligent pressure detection component, and provides the following technical scheme for solving the technical problems:
the utility model provides a fire extinguisher with intelligent pressure detection subassembly, includes the jar body of dry powder fire extinguisher, the jar body comprises jar body and cover, the bottom of jar body is uncovered, the cover is the bottom end cover, installs the internal detection seat of arranging in jar on the bottom end cover, weld in an organic whole after bottom end cover and the lock of jar body;
the inside of the detection seat is provided with a sliding cavity, the bottom of the detection seat is open, and the upper end surface of the detection seat is provided with a plurality of communication grooves communicated with the sliding cavity;
the sliding block is slidably arranged in the sliding cavity and is in sliding fit with the sliding cavity, a pressure sensor is arranged below the sliding block and is correspondingly matched with the sliding block, and the driving of the sliding block is driven by air pressure in the tank body;
and the detection seat is provided with a stirring assembly which is in lifting linkage with the sliding block.
By adopting the scheme, the tank body is internally provided with high-pressure gas, the high-pressure gas enters the sliding cavity of the detection seat from the communication groove and generates thrust to the sliding block, so that the sliding block moves towards the direction of the pressure sensor, the sliding block generates extrusion force to the pressure sensor, the pressure sensor generates pressure signals, the wireless transmission module feeds back the pressure signals to the external control module, and the sliding block can be abutted against the pressure sensor only when the internal pressure of the tank body is enough, so that the pressure signals of the pressure sensor are displayed through the control module, whether the pressure in the fire extinguisher is enough can be judged, and intelligent detection of the internal pressure of the fire extinguisher is realized.
In the fire extinguisher with intelligent pressure detection assembly, the detection column is coaxially arranged on the detection seat in a penetrating way, the detection seat is provided with the penetrating hole for the detection column to freely pass through, the detection column and the penetrating hole form sliding fit, the detection column penetrates into the extending end of the sliding cavity to be fixedly connected with the sliding block, the extending end of the detection column is provided with the elastic driving unit, and the elastic driving unit drives the detection column to move upwards.
By adopting the scheme, through setting up the connection of detection post and sliding block, on the one hand when making the sliding block slide from top to bottom in the slip intracavity, can not produce the swing, on the other hand, when the detection post receives elasticity that elasticity drive unit is up to the top, can cushion the direction removal of sliding block towards pressure sensor for when jar internal pressure reduces, the sliding block can in time shift up, and then makes the sliding block break away from the state of offseting with pressure sensor, and then makes pressure sensor can not produce pressure signal, thereby can not produce pressure signal in the messenger control module, realize detecting the pressure of fire extinguisher.
In a fire extinguisher with an intelligent pressure detection assembly as described above, the elastic drive unit comprises:
the fixing ring is fixedly sleeved at one end of the detection column penetrating out of the detection seat;
and the reset spring is sleeved on the detection column, and two ends of the elastic direction respectively elastically support against the fixed ring and the detection seat.
By adopting the scheme, the elastic propping is generated on the fixed ring through the reset spring, so that the detection column can move upwards in a natural initial state and drive the sliding block to move upwards, and when the pressure in the tank body is reduced, the elastic propping is performed on the fixed ring through the reset spring, so that the detection column can drive the sliding block to move upwards.
In the fire extinguisher with the intelligent pressure detection assembly, the inner wall of the tank body is horizontally fixedly connected with two connecting shafts along the axial array of the tank body, stirring rods are movably sleeved on the two connecting shafts respectively, and the stirring rods are connected with the detection column through hinge units.
By adopting the scheme, through setting up stirring rod, connecting axle, stirring rod movable sleeve is epaxial, consequently makes stirring rod can the free swing, when the fire extinguisher is in the state of use, the inside atmospheric pressure of jar body reduces, and reset spring will drive the detection post and remove up this moment, when detecting the post and remove up, will make hinge unit drive stirring rod swing for stirring rod can stir fixed powder raw materials such as the dry powder of deposit in jar body, avoids storing for a long time the back, and the powder composition in the dry powder fire extinguisher produces the deposit, and then influences the result of use of fire extinguisher.
In a fire extinguisher with an intelligent pressure sensing assembly as described above, the hinge unit comprises:
the hinge rod is hinged to the upper end of the detection column;
and the swing arm is fixedly connected to one end of the stirring rod, which is close to the connecting shaft, and one end of the hinge rod, which is far away from the detection column, is correspondingly hinged to the swing arm.
By adopting the scheme, when the detection column moves upwards, the hinge rod drives the swing arm to swing upwards, so that the swing arm can drive the stirring rod to swing, and powder components deposited in the tank body can be prevented from affecting the normal use of the fire extinguisher through the swing of the stirring rod.
In the fire extinguisher with intelligent pressure detection assembly, the sliding rod is vertically arranged at the lower end of the stirring rod in a penetrating mode, the sliding hole through which the sliding rod freely passes is formed in the lower end of the stirring rod, the sliding rod and the sliding hole form sliding fit, an arc-shaped scraping plate is arranged at the lower end of the sliding rod, the lower surface of the arc-shaped scraping plate is in abutting connection with the inner bottom wall of the tank body, and the sliding rod is connected with the stirring rod through the buffer assembly.
By adopting the scheme, through setting up the arc scraper blade, when the stirring rod swings, the powder composition of deposit on the internal diapire of jar can be scraped to the arc scraper blade.
In a fire extinguisher having an intelligent pressure detection assembly as described above, the buffering assembly comprising:
the buffer spring is vertically arranged in the sliding hole and elastically abuts against the upper end surface of the sliding rod;
the limiting pin penetrates through the upper end of the sliding rod, a waist-shaped hole for inserting the limiting pin is formed in the outer wall of the stirring rod, and the length direction of the waist-shaped hole is parallel to the length direction of the stirring rod.
A control box and an alarm are arranged on the upper end cover of the tank body, a control module and a power module are arranged in the control box, and the alarm is connected with the power module through a signal wire in an electric signal manner;
the high-pressure gas in the tank body enters the sliding cavity of the detection seat from the communication groove, thrust is generated on the sliding block, extrusion force is generated on the pressure sensor by the sliding block, the pressure sensor generates a pressure signal, the pressure signal is fed back to an external control module through the wireless transmission module, analysis and judgment are carried out through the control module according to the transmitted pressure signal, and if the pressure value exceeds the range, an alarm signal is given to alarm.
By adopting the scheme, the upper end face of the sliding rod is elastically propped by the buffer spring, so that the arc scraping plate can always keep a propped state with the bottom wall in the tank body.
Compared with the prior art, the application has the beneficial effects that:
(1) Through setting up detection seat, sliding chamber, intercommunication groove, sliding block and pressure sensor, high-pressure gas will get into the sliding chamber that detects the seat by the intercommunication groove to produce thrust to the sliding block, make the sliding block remove towards pressure sensor's direction, and then make the sliding block produce the extrusion force to pressure sensor, and then make pressure sensor produce pressure signal, and in the control module through wireless transmission module feedback to outside, only when the internal pressure of jar is enough, can make the sliding block conflict pressure sensor, consequently, show pressure sensor's pressure signal through control module, and then can judge whether pressure in the fire extinguisher is enough, realize carrying out intellectual detection system to fire extinguisher internal pressure.
(2) Through setting up stirring rod, connecting axle, stirring rod movable sleeve is epaxial at the connecting, consequently makes stirring rod can freely swing, when the fire extinguisher is in the state of use, the inside atmospheric pressure of jar body reduces, and reset spring will drive the detection post and remove up this moment, when detecting the post and remove up, will make hinge unit drive stirring rod swing for stirring rod can stir fixed powder raw materials such as the dry powder of deposit in jar body, avoids storing for a long time after, and the powder composition in the dry powder fire extinguisher produces the deposit, and then influences the result of use of fire extinguisher.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, serve to explain the application. In the drawings:
FIG. 1 is a schematic cross-sectional view of a fire extinguisher with an intelligent pressure sensing assembly according to the present application;
FIG. 2 is a schematic cross-sectional view of a side view of a fire extinguisher with an intelligent pressure sensing assembly according to the present application;
FIG. 3 is a schematic cross-sectional view of another angle of a fire extinguisher with an intelligent pressure sensing assembly according to the present application;
fig. 4 is an enlarged schematic view of a partial structure at a in fig. 3.
In the figure: the device comprises a 1-tank body, a 2-detection column, a 3-fixed ring, a 4-reset spring, a 5-communication groove, a 6-detection seat, a 7-arc scraping plate, an 8-sliding rod, a 9-kidney-shaped hole, a 10-stirring rod, an 11-connecting shaft, a 12-swinging arm, a 13-hinge rod, a 14-sliding cavity, a 15-sliding block, a 16-pressure sensor, a 17-sliding hole and an 18-limiting pin.
Detailed Description
The preferred embodiments of the present application will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present application only, and are not intended to limit the present application.
See fig. 1-4.
Examples
The utility model provides a fire extinguisher with intelligent pressure detection subassembly, includes the jar body 1 of dry powder fire extinguisher, jar body 1 comprises jar body and cover, the bottom of jar body is uncovered, the cover is the bottom end cover, installs the internal detection seat 6 of arranging in jar on the bottom end cover, the bottom end cover welds in an organic wholely after buckling with the jar body; the inner bottom wall of the tank body 1 is welded with a detection seat 6, the detection seat 6 and the tank body 1 are in a coaxial state, a sliding cavity 14 is formed in the detection seat 6, a plurality of communication grooves 5 communicated with the sliding cavity 14 are formed in the upper end face of the detection seat 6, a sliding block 15 is movably clamped in the sliding cavity 14 and is in sliding fit with the sliding cavity 14, a pressure sensor 16 is arranged in the sliding cavity 14, and the pressure sensor 16 is matched with the sliding block 15. The upper end cover of the tank body is provided with a control box and an alarm, a control module and a power module are arranged in the control box, and the alarm is connected with the power module through a signal wire in an electric signal manner;
because the tank body is internally provided with high-pressure gas, the high-pressure gas enters the sliding cavity 14 of the detection seat 6 through the communication groove 15 formed in the top of the detection seat 6 and generates thrust to the sliding block 15, so that the sliding block 15 moves towards the direction of the pressure sensor 16, the sliding block 15 generates extrusion force to the pressure sensor 16, the pressure sensor 16 generates pressure signals, the pressure signals are fed back to an external control module through a wireless transmission module, and the sliding block can be abutted against the pressure sensor only when the pressure in the tank body is enough, so that the pressure signals of the pressure sensor are displayed through the control module, whether the pressure in the fire extinguisher is enough can be judged, the intelligent detection of the pressure in the fire extinguisher is realized, and if the pressure is insufficient, an alarm can be started to give an alarm, so that attention can be reminded, and an administrator is required to timely process and replace the fire extinguisher.
Further, because when the air pressure in the tank 1 decreases, the sliding block 15 needs to move up and reset rapidly, so that the pressure sensor 16 is separated from the abutting state with the sliding block 15, in this embodiment, a through hole through which the detection column 2 passes freely is formed in the detection seat 6 by coaxially penetrating through the detection column 2, the detection column 2 and the through hole form a sliding fit, the penetrating end of the detection column 2 penetrating into the sliding cavity 14 is fixedly connected with the sliding block 15, a fixed ring 3 is fixedly sleeved at one end of the detection column 2 penetrating out of the detection seat 6, a return spring 4 is sleeved on the detection column 2, and two ends of the elastic force direction of the return spring 4 respectively abut against the fixed ring 3 and the detection seat 6.
The elastic propping is generated on the fixed ring through the reset spring, so that the detection column can move upwards in a natural initial state and drive the sliding block to move upwards, and when the pressure in the tank body is reduced, the elastic propping is generated on the fixed ring through the reset spring, so that the detection column can drive the sliding block to move upwards.
Further, since the powder component in the tank 1 may be deposited in the tank 1 during long-time storage, and thus the fire extinguisher may not be able to spray out to achieve the fire extinguishing effect during use, in this embodiment, two connecting shafts 11 are horizontally and fixedly connected on the inner wall of the tank 1 along the axial array thereof, stirring rods 10 are movably sleeved on the two connecting shafts 11, a hinge rod 13 is hinged to the upper end of the detecting column 2, a swing arm 12 is fixedly connected to one end of the stirring rod 10 adjacent to the connecting shaft 11, and one end of the hinge rod 13 away from the detecting column 2 is correspondingly hinged to the swing arm 12.
When the fire extinguisher is in the state of use, the inside atmospheric pressure of jar body reduces, and reset spring will drive the detection post and remove up this moment, and when the detection post removed up, will make the hinge unit drive stirring rod and swing for the stirring rod can stir fixed powder raw materials such as the dry powder of deposit in jar body, avoids storing for a long time the back, and the powder composition in the dry powder fire extinguisher produces the deposit, and then influences the result of use of fire extinguisher.
Further, because powder component is likely to adhere to the inner bottom wall of the tank 1, and the powder component is not easy to be sprayed out to achieve the fire-fighting effect, in this embodiment, a sliding rod 8 is vertically arranged at the lower end of the stirring rod 10 in a penetrating manner, a sliding hole 17 for the sliding rod 8 to freely pass through is formed at the lower end of the stirring rod 10, the sliding rod 8 and the sliding hole 17 form sliding fit, an arc scraping plate 7 is arranged at the lower end of the sliding rod 8, the lower surface of the arc scraping plate 7 is in abutting connection with the inner bottom wall of the tank 1, a buffer spring is vertically arranged in the sliding hole 17 and elastically abuts against the upper end face of the sliding rod 8, a limiting pin 18 is arranged at the upper end of the sliding rod 8 in a penetrating manner, a kidney-shaped hole 9 for the insertion of the limiting pin 18 is formed in the outer wall of the stirring rod 10, and the length direction of the kidney-shaped hole 9 is parallel to the length direction of the stirring rod 10.
Through setting up the arc scraper blade, when the puddler swings, the powder composition of deposit on the internal diapire of jar can be scraped to the arc scraper blade, and buffer spring produces elasticity to the sliding rod up end and supports the top for the arc scraper blade can remain the state of supporting with the internal diapire of jar all the time, and limiting pin 18 has spacingly when sliding in waist shape hole 19 in addition, therefore can have spacing effect to the slip of sliding rod, avoids the sliding rod to break away from in the sliding hole.
Finally, it should be noted that: the above is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that the present application is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. Fire extinguisher with intelligent pressure detection subassembly, including dry powder fire extinguisher's jar body (1), its characterized in that: the tank body (1) consists of a tank body and a tank cover, wherein the bottom of the tank body is open, the tank cover is a bottom end cover, a detection seat (6) arranged in the tank body is arranged on the bottom end cover, and the bottom end cover is welded into a whole after being buckled with the tank body;
the inside of the detection seat (6) is provided with a sliding cavity (14), the bottom of the detection seat is open, and the upper end surface of the detection seat (6) is provided with a plurality of communication grooves (5) communicated with the sliding cavity (14);
a sliding block (15) is arranged in the sliding cavity (14) in a sliding manner and is in sliding fit with the sliding cavity (14), a pressure sensor (16) is arranged below the sliding block, the pressure sensor (16) is correspondingly matched with the sliding block (15), and the driving of the sliding block (15) is driven by air pressure in the tank body;
the detection seat (6) is provided with a stirring assembly which is in lifting linkage with the sliding block;
the detection seat (6) is coaxially provided with a detection column (2) in a penetrating way, the detection seat (6) is provided with a penetrating hole for the detection column (2) to freely pass through, the detection column (2) and the penetrating hole form sliding fit, the extending end of the detection column (2) penetrating into the sliding cavity (14) is fixedly connected with the sliding block (15), the extending end of the detection column (2) is provided with an elastic driving unit, and the elastic driving unit drives the detection column (2) to move upwards;
the elastic driving unit includes: the fixing ring (3) is fixedly sleeved at one end of the detection column (2) penetrating out of the detection seat (6); a reset spring (4) which is sleeved on the detection column (2), and two ends of the elastic direction respectively elastically support against the fixed ring (3) and the detection seat (6);
the stirring assembly comprises a tank body (1), two connecting shafts (11) are horizontally and fixedly connected to the inner wall of the tank body along an axial array of the tank body, stirring rods (10) are movably sleeved on the two connecting shafts (11), and the stirring rods (10) are connected with the detection column (2) through hinge units.
2. A fire extinguisher with an intelligent pressure sensing assembly as claimed in claim 1, wherein: the hinge unit includes:
a hinge rod (13) hinged to the upper end of the detection column (2);
the swing arm (12) is fixedly connected to one end, adjacent to the connecting shaft (11), of the stirring rod (10), and one end, far away from the detection column (2), of the hinge rod (13) is correspondingly hinged to the swing arm (12).
3. A fire extinguisher with an intelligent pressure sensing assembly as claimed in claim 1, wherein: the lower end of the stirring rod (10) is vertically provided with a sliding rod (8) in a penetrating mode, the lower end of the stirring rod (10) is provided with a sliding hole (17) through which the sliding rod (8) freely passes, and the sliding rod (8) and the sliding hole (17) form sliding fit.
4. A fire extinguisher with an intelligent pressure sensing assembly as claimed in claim 3, wherein: the lower end of the sliding rod (8) is provided with an arc scraping plate (7), the lower surface of the arc scraping plate (7) is in abutting connection with the inner bottom wall of the tank body (1), and the sliding rod (8) is connected with the stirring rod (10) through a buffer component.
5. A fire extinguisher with an intelligent pressure sensing assembly as claimed in claim 4, wherein: the cushioning assembly includes:
the buffer spring is vertically arranged in the sliding hole (17) and elastically abuts against the upper end face of the sliding rod (8);
the limiting pin (18) is arranged at the upper end of the sliding rod (8) in a penetrating mode, a kidney-shaped hole (9) for inserting the limiting pin (18) is formed in the outer wall of the stirring rod (10), and the length direction of the kidney-shaped hole (9) is parallel to the length direction of the stirring rod (10).
6. A fire extinguisher with an intelligent pressure sensing assembly as claimed in claim 1, wherein: a control box and an alarm are arranged on the upper end cover of the tank body, a control module and a power module are arranged in the control box, and the alarm is connected with the power module through a signal wire in an electric signal manner;
the high-pressure gas in the tank body (1) enters the sliding cavity of the detection seat from the communication groove, thrust is generated on the sliding block, extrusion force is generated on the pressure sensor (16) by the sliding block (15), then the pressure sensor generates a pressure signal, the pressure signal is fed back to an external control module through a wireless transmission module, analysis and judgment are carried out through the control module according to the transmitted pressure signal, and if the pressure value exceeds the range, an alarm signal is given to alarm.
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| CN202211719044.0A CN115779325B (en) | 2022-12-30 | 2022-12-30 | Fire extinguisher with intelligent pressure detection assembly |
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| CN202211719044.0A CN115779325B (en) | 2022-12-30 | 2022-12-30 | Fire extinguisher with intelligent pressure detection assembly |
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| CN115779325A CN115779325A (en) | 2023-03-14 |
| CN115779325B true CN115779325B (en) | 2023-11-21 |
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| CN109568843A (en) * | 2019-01-06 | 2019-04-05 | 深圳泰科芯元科技有限公司 | A kind of Internet of Things intelligent extinguisher of band fire prevention warning function |
| CN210426921U (en) * | 2019-09-29 | 2020-04-28 | 艾赛孚消防科技（天津）有限公司 | Detachable detection device for inert gas fire-extinguishing gas storage cylinder |
| CN215309827U (en) * | 2021-02-23 | 2021-12-28 | 宁波威仕消防设备有限公司 | Novel special fire extinguisher for kitchen |
| CN218153620U (en) * | 2022-07-12 | 2022-12-27 | 苏州翔铭化工设备有限公司 | Explosion-proof pressure vessel |
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| CN115779325A (en) | 2023-03-14 |
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