CN110051957B - Pressure type foam fire-fighting device capable of preventing blockage of leakage bag by utilizing piezoelectricity - Google Patents
Pressure type foam fire-fighting device capable of preventing blockage of leakage bag by utilizing piezoelectricity Download PDFInfo
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- CN110051957B CN110051957B CN201910163573.9A CN201910163573A CN110051957B CN 110051957 B CN110051957 B CN 110051957B CN 201910163573 A CN201910163573 A CN 201910163573A CN 110051957 B CN110051957 B CN 110051957B
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- 239000006260 foam Substances 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000002775 capsule Substances 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000005294 ferromagnetic effect Effects 0.000 claims description 16
- 239000004088 foaming agent Substances 0.000 claims description 9
- 238000005299 abrasion Methods 0.000 claims description 7
- 230000006698 induction Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000037303 wrinkles Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a pressure type foam fire fighting device capable of preventing blockage by utilizing a piezoelectric escape capsule. According to the invention, the pressing block is pushed by water in the water guide cavity to extrude the dielectric ring to generate piezoelectric current, then the electromagnet is enabled to attract the armature strip to be embedded into the groove by using the induction controller, meanwhile, the armature strip generates leftward thrust on the rear baffle plate, the front baffle plate and the rear baffle plate slide leftward, the foam capsule is clamped and fixed by using the front baffle plate and the armature strip, the foam capsule is prevented from being impacted by water flow, and is prevented from being blocked due to the fact that a group of wrinkles are formed by piling around the liquid discharge pipe, so that the fire extinguishing effect is low.
Description
Technical Field
The invention relates to the field of fire fighting equipment, in particular to a pressure type foam fire fighting device utilizing a piezoelectric anti-escape bag to block.
Background
Along with the continuous development of social productivity, along with the increasing of various buildings and the massive application of various inflammables, the probability of fire occurrence is greatly increased, but at present, the fire is usually extinguished through a pressure foam fire fighting device, the conventional technology is not considered comprehensively, and the following defects are overcome:
pressure foam fire control unit utilizes rivers extrusion capsule to replace out the foamer and mixes, and rivers can extrude the capsule into a group, not only aggravate the wearing and tearing of capsule, reduce its life, and rivers push away the capsule of fold near the liquid outlet easily, cause the liquid outlet to block up, the foamer can't mix with water and form the foam and put out a fire, only rivers are put out a fire, and the conflagration that arouses by paint or fuel oil, can't put out the fire source with the rivers, lead to the intensity of a fire to continue to stretch.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a pressure type foam fire fighting device using a piezoelectric anti-escape capsule for blocking, and aims to solve the defects that the pressure type foam fire fighting device in the prior art uses water flow to extrude the capsule to replace a foaming agent for mixing, the water flow extrudes the capsule into a mass, the abrasion of the capsule is aggravated, the service life of the capsule is shortened, the water flow easily pushes the folded capsule to the vicinity of a liquid outlet, the liquid outlet is blocked, the foaming agent cannot be mixed with water to form foam for fire extinguishing, only the water flow extinguishes the fire, and the fire caused by paint or fuel oil cannot extinguish a fire source by the water flow, so that the fire continues to spread.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an utilize pressure type foam fire control unit that piezoelectricity anti-escape bag blockked up, its structure includes a water pipe, proportioner, foamant pipe, gas vent, handrail frame, puts thing box, outlet, base, anti-clogging device, a water pipe embedding is installed in the upper surface of anti-clogging device and is switched on with the proportioner, the top of anti-clogging device is located to the proportioner, foamant pipe is inlayed to the top of anti-clogging device, the gas vent embedding is installed in the upper surface of anti-clogging device, the outside of handrail frame is equipped with puts the thing box and is connected through the mode of gluing, the outlet is installed in the bottom surface of anti-clogging device, handrail frame is connected through the mode of gluing with the base, the top of base is equipped with the anti-clogging device, anti-clogging device includes outer casing, foam capsule, piezoelectric brake mechanism, induction controller, Prevent running bag mechanism, drying apparatus, bearing pad, fluid-discharge tube, the foam capsule has been inlayed to the inside of dustcoat, the foam capsule with prevent running bag mechanism and be connected, the inner wall of dustcoat is connected through the mode of gluing with the drying apparatus, induction controller is connected with piezoelectric brake mechanism, piezoelectric brake mechanism has inlayed the inside of installing in the dustcoat, induction controller with prevent running bag mechanism and be connected, the top of bearing pad is equipped with the foam capsule and is connected through the mode of laminating, the fluid-discharge tube has been inlayed in the outside of foam capsule.
As a further scheme of the invention, the piezoelectric braking mechanism is provided with a water inlet pipe, a water guide cavity, a pressing block and a dielectric ring, the water guide cavity is embedded in the water inlet pipe, the pressing block is embedded in the water guide cavity and connected with the water inlet pipe in an embedded mode, and the pressing block is embedded in the dielectric ring.
As a further scheme of the invention, the anti-saccular-leakage mechanism is provided with an installation block, an electromagnet, a ferromagnetic fixing piece, a groove, a limiting shaft and a sliding rail, wherein the electromagnet is embedded in the installation block, the ferromagnetic fixing piece is arranged above the installation block and connected in a rotating mode, the groove is embedded in the upper surface of the electromagnet, the limiting shaft is slidably connected with the installation block in a nesting mode, the ferromagnetic fixing piece is arranged above the limiting shaft, and the sliding rail is nested with the limiting shaft and connected in a sliding mode.
According to a further scheme of the invention, the ferromagnetic fixing piece is provided with an armature strip, a rotating shaft, a spring and an anti-abrasion pad, the armature strip is rotatably connected with the rotating shaft in a nesting mode, the bottom surface of the armature strip is connected with the spring in an adhesion mode, and the anti-abrasion pad is embedded and installed inside the armature strip.
As a further scheme of the invention, the limiting shaft is provided with a buffer block, a rear baffle, a connecting shaft and a front baffle, the right end face of the rear baffle is embedded with the buffer block, and the rear baffle is connected with the front baffle through the connecting shaft.
As a further scheme of the invention, the anti-escape capsule mechanism is provided with four opposite corners which are respectively arranged on the foam capsules, and the four opposite corners are parallel and symmetrical with each other in pairs, so that the foam capsules are balanced and stabilized.
As a further scheme of the invention, the maximum rotating height of the armature bar is not higher than the height of the rear baffle, and the thickness of the armature bar is smaller than that of the rear baffle, so that the armature bar is prevented from losing acting force on the armature bar towards the left.
As a further scheme of the invention, the diameter of the right side of the rear baffle is smaller than that of the left side of the rear baffle, and the rear baffle is in a circular truncated cone shape, so that the foam capsule can be conveniently moved and fixed.
Advantageous effects of the invention
Compared with the prior art, the invention generates pressure to two sides by leading water flow into a water guide cavity in a water inlet pipe through a branch water pipe, pushes a pressing block to move to two sides, extrudes a dielectric ring to generate piezoelectric current, then induces the current by an induction controller, enables an electromagnet on an installation block to be electrified, attracts an armature bar to rotate around a rotating shaft, a compression spring is embedded into a groove, meanwhile, an armature bar pushes a rear baffle plate to move leftwards along a sliding rail, drives a front baffle plate to slide leftwards together through a connecting shaft, then utilizes the front baffle plate and the armature bar to clamp and fix a foam capsule to prevent the foam capsule from being impacted by the water flow, accumulates around a liquid discharge pipe to form a group of folds to cause blockage, cannot form foam, and further causes low fire extinguishing effect, discharges water in an outer housing through a water discharge port after fire extinguishing, utilizes a dryer to dry to prevent rusting, and the, due to the special structure of the rear baffle plate, the foam capsule can move between the front baffle plate and the armature bar, and dead angles of drying are prevented.
Compare in traditional pressure type foam fire control unit, this pressure type foam fire control unit promotes the briquetting extrusion dielectric ring through the water in the water guide intracavity and makes it produce piezoelectricity current, then utilize induction controller, make the electro-magnet attract armature bar embedding recess, armature bar produces thrust left to the backplate simultaneously, make preceding baffle slide left with baffle afterwards, baffle and armature bar press from both sides the fastening to the foam capsule before utilizing, prevent that it from receiving the water impact, pile up around the fluid-discharge tube and form a group of fold and cause the jam, can't form the foam, thereby lead to the fire extinguishing effect low, and because the special construction of backplate, make the foam capsule can be in the front between baffle and the armature bar movable, prevent the stoving dead angle.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.
In the drawings:
fig. 1 is a schematic structural view of a pressure type foam fire fighting device using a piezoelectric anti-escape capsule for blocking according to the present invention.
FIG. 2 is a plan view of a front view of the anti-clogging device of the present invention.
Fig. 3 is an explanatory view showing components of a piezoelectric braking mechanism in the anti-clogging device according to the present invention.
Fig. 4 is an explanatory view showing a front view of a capsule-escape preventing mechanism in the anti-clogging device according to the present invention.
FIG. 5 is an explanatory diagram of a side view of a capsule-escape preventing mechanism in the anti-clogging device according to the present invention.
FIG. 6 is an exploded view of a ferromagnetic fixture component in an anti-saccular mechanism according to the present invention.
Fig. 7 is an explanatory view of a stopper shaft member in the bag escape prevention mechanism according to the present invention.
Fig. 8 is a side view showing an operation state of a bladder leakage preventing mechanism in an anti-clogging device according to the present invention.
In the figure: a branch water pipe-1, a proportioner-2, a foaming agent pipe-3, an exhaust port-4, an armrest frame-5, a storage box-6, a water outlet-7, a base-8, an anti-blocking device-9, an outer casing-91, a foam capsule-92, a piezoelectric brake mechanism-93, an induction controller-94, an anti-escape capsule mechanism-95, a dryer-96, a bearing pad-97, a liquid discharge pipe-98, a water inlet pipe-931, a water guide cavity-932, a pressing block-933, a dielectric ring-934, an installation block-951, an electromagnet-952, a ferromagnetic fixing piece-953, a groove-954, a limiting shaft-955, a slide rail-956, an armature bar-9531, a rotating shaft-9532, a spring-9533, an anti-abrasion pad-9534, Buffer block-9551, rear baffle-9552, connecting shaft-9553 and front baffle-9554.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-8, the present invention provides a technical solution of a pressure type foam fire fighting device using a piezoelectric anti-escape capsule for blocking:
as shown in fig. 1-2, a pressure type foam fire fighting device using piezoelectric anti-escape capsule blocking comprises a branch pipe 1, a proportioner 2, a foaming agent pipe 3, an exhaust port 4, a handrail frame 5, a storage box 6, a water outlet 7, a base 8 and an anti-blocking device 9, wherein the branch pipe 1 is embedded in the upper surface of the anti-blocking device 9 and is communicated with the proportioner 2, the proportioner 2 is arranged above the anti-blocking device 9, the foaming agent pipe 3 is embedded above the anti-blocking device 9, the exhaust port 4 is embedded in the upper surface of the anti-blocking device 9, the storage box 6 is arranged outside the handrail frame 5 and is connected with the handrail frame through bonding, the water outlet 7 is arranged on the bottom surface of the anti-blocking device 9, the handrail frame 5 is connected with the base 8 through bonding, the anti-blocking device 9 is arranged above the base 8, the anti-blocking device 9 comprises an outer casing 91, a foam capsule 92, a piezoelectric braking mechanism 93, a sensing controller 94, a bag-leakage-preventing mechanism 95, a dryer 96, a bearing pad 97 and a liquid discharge pipe 98, wherein the foam capsule 92 is embedded in the outer casing 91, the foam capsule 92 is connected with the bag-leakage-preventing mechanism 95, the inner wall of the outer casing 91 is connected with the dryer 96 in a bonding mode, the sensing controller 94 is connected with the piezoelectric braking mechanism 93, the piezoelectric braking mechanism 93 is embedded in the outer casing 91, the sensing controller 94 is connected with the bag-leakage-preventing mechanism 95, the foam capsule 92 is arranged above the bearing pad 97 and connected in a bonding mode, and the liquid discharge pipe 98 is embedded in the outer side of the foam capsule 92.
As shown in fig. 3, the piezoelectric brake mechanism 93 is provided with a water inlet pipe 931, a water guide cavity 932, a pressing block 933 and a dielectric ring 934, the water guide cavity 932 is embedded in the water inlet pipe 931, the pressing block 933 is embedded in the water guide cavity 932 and connected with the water inlet pipe 931 in a nested manner, the pressing block 933 is embedded in the dielectric ring 934, the pressing block 933 is pushed by water flow in the water guide cavity 932 to press the dielectric ring 934, and the generated current is sensed by the sensing controller 94.
As shown in fig. 4 to 5, the anti-saccular-leakage mechanism 95 is provided with a mounting block 951, an electromagnet 952, a ferromagnetic fixture 953, a groove 954, a limiting shaft 955 and a sliding rail 956, wherein the electromagnet 952 is embedded in the mounting block 951, the ferromagnetic fixture 953 is arranged above the mounting block 951 and connected in a rotating manner, the groove 954 is embedded in the upper surface of the electromagnet 952, the limiting shaft 955 is slidably connected with the mounting block 951 in a nesting manner, the ferromagnetic fixture 953 is arranged above the limiting shaft 955, the sliding rail 956 is embedded in the limiting shaft 955 and connected in a sliding manner, and the limiting shaft 955 is moved to fix the foam capsule 92 by using the suction force of the electromagnet to the ferromagnetic fixture 953.
As shown in fig. 6, the ferromagnetic fixing member 953 is provided with an armature bar 9531, a rotating shaft 9532, a spring 9533, and a wear pad 9534, wherein the armature bar 9531 is rotatably connected to the rotating shaft 9532 in an embedded manner, a bottom surface of the armature bar 9531 is connected to the spring 9533 in an adhesive manner, and the wear pad 9534 is embedded in the armature bar 9531, and the armature bar 9531 rotates around the rotating shaft 9532 to contact the wear pad 9534 with the stopper shaft 955, so as to push the stopper shaft 955 to move.
As shown in fig. 7, the stopper shaft 955 is provided with a buffer block 9551, a rear baffle 9552, a connecting shaft 9553 and a front baffle 9554, the buffer block 9551 is embedded in the right end surface of the rear baffle 9552, the rear baffle 9552 is connected to the front baffle 9554 through the connecting shaft 9553, the rear baffle 9552 is moved leftward by a ferromagnetic fixing member 953, and the front baffle 9554 is moved leftward to fix the foam capsule 92.
As shown in fig. 2, the anti-escape capsule mechanism 95 has four opposite corners respectively installed on the foam capsules 92, and two of the four opposite corners are parallel and symmetrical to each other, so as to help balance and stabilize the foam capsules 92.
The specific realization principle is as follows: the water flow is guided into the water guide chamber 932 in the water inlet pipe 931 through the branch pipe 1 to generate pressure to both sides, the pressing block 933 is pushed to move to both sides, the dielectric ring 934 is pressed to generate piezoelectric current, then the sensing controller 94 senses the current to electrify the electromagnet 952 on the mounting block 951, the armature bar 9531 is attracted to rotate around the rotating shaft 9532, the compression spring 9533 is embedded into the groove 954, the armature bar 9531 pushes the rear baffle 9552 to move leftwards along the sliding rail 956, the front baffle 9554 is driven to slide leftwards through the connecting shaft 9553, then the foam capsule 92 is clamped and fixed by the front baffle 9554 and the armature bar 9531 to prevent the foam capsule from being impacted by the water flow, the foam capsule is blocked due to a group of folds formed around the liquid discharge pipe 98, so that the fire extinguishing effect is low, the water in the outer cover 91 is discharged from the water outlet 7 after fire extinguishing, the foam capsule is dried by the dryer 96 to prevent rusting, and the armature bar 9531 is, due to the special structure of the rear baffle 9552, the foam capsule 92 can move between the front baffle 9554 and the armature bar 9531, and dead drying corners are prevented.
The invention solves the problems that the prior art of the pressure foam fire fighting device utilizes water flow to extrude the capsule to replace the foaming agent for mixing, the water flow extrudes the capsule into a mass, the abrasion of the capsule is intensified, the service life of the capsule is reduced, the water flow easily pushes the folded capsule to be near a liquid outlet, so that the liquid outlet is blocked, the foaming agent cannot be mixed with water to form foam for fire extinguishing, only the water flow is used for fire extinguishing, but fire caused by paint or fuel oil cannot extinguish a fire source by the water flow, so that the fire continues to spread, the invention utilizes the mutual combination of the components, pushes the pressing block 933 in the water guide cavity 932 to extrude the dielectric ring 934 to generate piezoelectric current, then utilizes the induction controller 94 to enable the electromagnet 952 to attract the armature strip 9531 to be embedded into the groove 954, and simultaneously the armature strip 9531 generates leftward thrust to the rear baffle 9552, so that the front baffle 9554 and the subsequent baffle 9552 slide leftward, utilize preceding baffle 9554 and armature strip 9531 to press from both sides tight fixed to foam capsule 92, prevent that it from receiving water impact, pile up around fluid-discharge tube 98 and form a bunch of folds and cause the jam, can't form the foam to lead to the fire control effect low, and because the special construction of backplate 9552 for foam capsule 92 can move about between preceding baffle 9554 and armature strip 9531, prevent to dry the dead angle.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. The utility model provides an utilize piezoelectricity to prevent running pressure type foam fire control unit that bag blockked up, its structure includes a water pipe (1), proportioner (2), foaming agent pipe (3), gas vent (4), handrail frame (5), puts thing box (6), outlet (7), base (8), anti-clogging device (9), its characterized in that: the water supporting pipe (1) is embedded in the upper surface of the anti-blocking device (9), the proportioner (2) is arranged above the anti-blocking device (9), the foaming agent pipe (3) is embedded above the anti-blocking device (9), the exhaust port (4) is embedded in the upper surface of the anti-blocking device (9), the article placing box (6) is arranged on the outer side of the armrest frame (5), the water outlet (7) is arranged on the bottom surface of the anti-blocking device (9), and the armrest frame (5) is connected with the base (8) in a bonding mode;
the anti-blocking device (9) comprises an outer casing (91), a foam capsule (92), a piezoelectric braking mechanism (93), a sensing controller (94), an anti-leakage mechanism (95), a dryer (96), a bearing pad (97) and a liquid discharge pipe (98), wherein the foam capsule (92) is embedded in the outer casing (91), the foam capsule (92) is connected with the anti-leakage mechanism (95), the inner wall of the outer casing (91) is connected with the dryer (96) in an adhesion mode, the sensing controller (94) is connected with the piezoelectric braking mechanism (93), the sensing controller (94) is connected with the anti-leakage mechanism (95), the foam capsule (92) is arranged above the bearing pad (97), and the liquid discharge pipe (98) is embedded in the outer side of the foam capsule (92);
the piezoelectric brake mechanism (93) is provided with a water inlet pipe (931), a water guide cavity (932), a pressing block (933) and a dielectric ring (934), the water guide cavity (932) is embedded in the water inlet pipe (931), the pressing block (933) is embedded in the water guide cavity (932), and the pressing block (933) is embedded in the dielectric ring (934);
the capsule-leakage-preventing mechanism (95) is provided with a mounting block (951), an electromagnet (952), a ferromagnetic fixing piece (953), a groove (954), a limiting shaft (955) and a sliding rail (956), the electromagnet (952) is embedded in the mounting block (951), the ferromagnetic fixing piece (953) is arranged above the mounting block (951), the groove (954) is embedded in the upper surface of the electromagnet (952), the limiting shaft (955) is slidably connected with the mounting block (951) in a nesting mode, the ferromagnetic fixing piece (953) is arranged above the limiting shaft (955), and the sliding rail (956) is nested with the limiting shaft (955);
the ferromagnetic fixing piece (953) is provided with an armature strip (9531), a rotating shaft (9532), a spring (9533) and an anti-abrasion pad (9534), the armature strip (9531) is rotatably connected with the rotating shaft (9532) in a nesting mode, the bottom surface of the armature strip (9531) is connected with the spring (9533) in an adhesion mode, and the anti-abrasion pad (9534) is embedded in the armature strip (9531);
spacing axle (955) are equipped with buffer block (9551), backplate (9552), even axle (9553), preceding baffle (9554), buffer block (9551) have been inlayed to the right-hand member face of backplate (9552), backplate (9552) are connected with preceding baffle (9554) through even axle (9553).
2. The pressure type foam fire fighting device using the piezoelectric run-out preventing bag for clogging as set forth in claim 1, wherein: the anti-escape capsule mechanism (95) is provided with four opposite angles which are respectively arranged on the foam capsule (92), and every two opposite angles are mutually parallel and symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163573.9A CN110051957B (en) | 2019-03-05 | 2019-03-05 | Pressure type foam fire-fighting device capable of preventing blockage of leakage bag by utilizing piezoelectricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163573.9A CN110051957B (en) | 2019-03-05 | 2019-03-05 | Pressure type foam fire-fighting device capable of preventing blockage of leakage bag by utilizing piezoelectricity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110051957A CN110051957A (en) | 2019-07-26 |
| CN110051957B true CN110051957B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910163573.9A Active CN110051957B (en) | 2019-03-05 | 2019-03-05 | Pressure type foam fire-fighting device capable of preventing blockage of leakage bag by utilizing piezoelectricity |
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| CN113440762B (en) * | 2021-05-25 | 2022-07-26 | 苏州维格纳信息科技有限公司 | River is with preventing blockking up perfusion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5441113A (en) * | 1994-03-09 | 1995-08-15 | Pierce; Lauvon | Fire extinguishing system |
| CN2444627Y (en) * | 2000-09-08 | 2001-08-29 | 正德防火工业股份有限公司 | Foam stoste groove internal extrusion film bag |
| CN201353493Y (en) * | 2008-12-19 | 2009-12-02 | 陈方明 | Sack-type pressure proportioner for displaying foam liquid storage amount |
| CN202909346U (en) * | 2012-10-16 | 2013-05-01 | 浙江亚宁消防设备有限公司 | Pressure type foam proportioner |
| CN204899520U (en) * | 2015-06-11 | 2015-12-23 | 东北石油大学 | Gate automatic locking |
-
2019
- 2019-03-05 CN CN201910163573.9A patent/CN110051957B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5441113A (en) * | 1994-03-09 | 1995-08-15 | Pierce; Lauvon | Fire extinguishing system |
| CN2444627Y (en) * | 2000-09-08 | 2001-08-29 | 正德防火工业股份有限公司 | Foam stoste groove internal extrusion film bag |
| CN201353493Y (en) * | 2008-12-19 | 2009-12-02 | 陈方明 | Sack-type pressure proportioner for displaying foam liquid storage amount |
| CN202909346U (en) * | 2012-10-16 | 2013-05-01 | 浙江亚宁消防设备有限公司 | Pressure type foam proportioner |
| CN204899520U (en) * | 2015-06-11 | 2015-12-23 | 东北石油大学 | Gate automatic locking |
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| Publication number | Publication date |
|---|---|
| CN110051957A (en) | 2019-07-26 |
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