CN115317836A - Fire-proof magnetic latching relay and method thereof - Google Patents
Fire-proof magnetic latching relay and method thereof Download PDFInfo
- Publication number
- CN115317836A CN115317836A CN202210941402.6A CN202210941402A CN115317836A CN 115317836 A CN115317836 A CN 115317836A CN 202210941402 A CN202210941402 A CN 202210941402A CN 115317836 A CN115317836 A CN 115317836A
- Authority
- CN
- China
- Prior art keywords
- relay
- fire
- reaction
- magnetic latching
- dry powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 95
- 239000000843 powder Substances 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002775 capsule Substances 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000002265 prevention Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 44
- 238000005507 spraying Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000010410 dusting Methods 0.000 claims 5
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/46—Construction of the actuator
- A62C37/48—Thermally sensitive initiators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to the field of relays and discloses a fire hazard prevention type magnetic latching relay and a method thereof, wherein the fire hazard prevention type magnetic latching relay comprises a relay shell, one side of the relay shell is provided with an installation cavity, a seal box is arranged in the installation cavity, the seal box is used for installing a magnet, a coil and other internal electronic elements of the magnetic latching relay, a water storage capsule and a dry powder box are also arranged in the installation cavity, a reaction air bag used for triggering the water storage capsule and the dry powder box is also arranged in the installation cavity, and hydrogen peroxide is arranged in the reaction air bag; still install the heat-conducting component on the relay casing, the heat-conducting component is used for with the heat conduction of relay casing external environment to the reaction gasbag in, and the heat-conducting component is including arranging the metal sheet in relay casing one side to and connect the heat-conducting plate on the metal sheet, the other end of heat-conducting plate extends to below the liquid level in the reaction gasbag. Compare in prior art, this application has solved a series of problems such as the fire behavior is not good in the magnetic latching relay use.
Description
Technical Field
The invention relates to the field of relays, in particular to a fire hazard prevention type magnetic latching relay and a method thereof.
Background
The magnetic latching relay is a novel relay developed in recent years and is also an automatic switch. As with other electromagnetic relays, it acts to automatically turn on and off the circuit. The magnetic latching relay has the advantages that the normally closed state or the normally open state of the magnetic latching relay completely depends on the action of permanent magnetic steel, and the switching state of the magnetic latching relay is completed by triggering pulse electric signals with certain width.
In the prior art, chinese patent document No. CN206893556U discloses a fire-proof magnetic latching relay, which is provided with a heat dissipation fan and a fire-proof plate to prevent an external fire source from invading the relay, so that although direct ignition of the external fire source to the inside of the relay can be avoided to a certain extent, the relay housing cannot achieve a good fire-extinguishing effect when the relay housing is continuously baked in the face of an external fire, and therefore, the application discloses a fire-proof magnetic latching relay and a method thereof to meet the fire-proof requirement of the magnetic latching relay.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a fireproof magnetic latching relay and a method thereof, which have the advantages of improving the fireproof performance of the magnetic latching relay and the like, and solve the series problems of poor fireproof performance of the magnetic latching relay and the like in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a fire hazard prevention type magnetic latching relay comprises a relay shell, wherein one side of the relay shell is provided with an installation cavity, a seal box is arranged in the installation cavity, a magnet, a coil and other internal electronic elements of the magnetic latching relay are installed in the seal box, a water storage capsule capable of spraying water outside the relay shell for fire extinguishment and a dry powder box capable of covering dry powder inside and outside the relay shell are further arranged in the installation cavity, a reaction airbag used for triggering the water storage capsule and the dry powder box is further installed in the installation cavity, and hydrogen peroxide is arranged in the reaction airbag; still install the heat-conducting component on the relay casing, the heat-conducting component be used for with the heat conduction of relay casing external environment extremely in the reaction gasbag, just the heat-conducting component is including arranging the metal sheet of relay casing one side, and connect and be in heat-conducting plate on the metal sheet, the other end of heat-conducting plate extends to below the liquid level in the reaction gasbag.
Preferably, the inner wall of the mounting cavity is fixedly provided with a first partition plate, a second partition plate and a third partition plate which correspond to each other in position, the first partition plate, the second partition plate and the third partition plate are sequentially arranged from top to bottom, and the seal box is mounted on the first partition plate.
Preferably, an upper base is installed on the second partition plate, the water storage capsule is installed in the upper base, fire-fighting water is arranged in the water storage capsule, an electromagnetic valve is arranged at the output end of the water storage capsule and communicated with a water pipe, a water outlet spray hole is formed in the top side of the relay shell, and the other end of the water pipe penetrates through the first partition plate and is communicated with the water outlet spray hole.
Preferably, it is equipped with the compression rod still to slide the cover on the first baffle, the both ends of compression rod extend to respectively outside the upper and lower side of first baffle, just the bottom fixedly connected with of compression rod with the pressure disk that the water storage capsule contacted, still the cover is equipped with extrusion spring on the compression rod, extrusion spring's both ends are connected respectively first baffle with on the pressure disk.
Preferably, a middle base is installed on the third partition plate, the dry powder box is installed in the middle base, fire extinguishing dry powder is arranged in the middle base, a powder spraying pipe is further communicated with the dry powder box, a powder spraying hole is further formed in the top side of the relay shell, the other end of the powder spraying pipe penetrates through the first partition plate and the second partition plate and is communicated with the powder spraying hole, and a branch pipe corresponding to the position of the seal box is further communicated with the powder spraying pipe.
Preferably, still install down the base in the installation cavity, the reaction gasbag is installed in the base down, just slip the cover on the third baffle and be equipped with perpendicular guide arm, the bottom of perpendicular guide arm is connected with the card and establishes lift seat on the reaction gasbag, still install the rubber pad on the lateral wall of installation cavity, be equipped with the electrode holder on the rubber pad, the top of perpendicular guide arm install with the electrode ball of electrode holder looks adaptation, the electrode holder reaches the electrode ball with solenoid valve and power are located same series circuit, just it is equipped with perpendicular spring still to overlap on the perpendicular guide arm, the both ends of perpendicular spring butt respectively are in the third baffle with on the lift seat.
Preferably, the top side of the lifting seat is fixedly connected with an extension cylinder communicated with the inside of the lifting seat, the top end of the extension cylinder penetrates through the middle base and the dry powder box and extends into the dry powder box, and the top end of the extension cylinder is further provided with a check valve which is kept in a closed state in a normal state.
Preferably, the inner wall of the top end of the extension cylinder is fixedly sleeved with a fixed disc, the fixed disc is provided with a plurality of through holes and is fixedly connected with a pricking pin for pricking the reaction air bag.
Preferably, a mounting groove is formed in one side of the relay housing, the metal plate is mounted in the mounting groove and maintains a gap with an inner wall of one side of the mounting groove, a heat insulation strip is further filled between a side wall of the mounting groove and the metal plate, and the heat conduction plate penetrates through the mounting groove and the first partition plate, the second partition plate and the third partition plate.
A fire prevention method of a magnetic latching relay is particularly applied to the fire prevention type magnetic latching relay, and comprises the following operation steps:
s1, heat conduction: when a fire disaster occurs, the metal plate absorbs external heat and the heat is conducted into the reaction air bag through the heat conducting plate;
s2, liquid fire extinguishing: the temperature in the reaction air bag after the step S1 is raised, so that hydrogen peroxide in the reaction air bag is accelerated to decompose, oxygen is generated, the reaction air bag is continuously expanded, the reaction air bag is driven to contact with the electrode seat after being expanded, the electromagnetic valve is electrified to be opened, and under the extrusion action of the pressing disc, the water storage capsule sprays the fire-fighting water outwards through the water pipe, so that the liquid water spraying fire-extinguishing effect is achieved;
s3, solid-state fire extinguishing: and (2) watering and extinguishing the fire, continuously decomposing hydrogen peroxide in the reaction air bag along with the reaction air bag, continuously expanding the reaction air bag, extruding part of the reaction air bag into the extension cylinder, puncturing the reaction air bag through the pricking pin, filling overflowed high-pressure oxygen gas into the dry powder box, and promoting the extinguishing dry powder in the dry powder box to be sprayed to the inside and the outside of the relay shell through the branch pipe and the powder spraying pipe so as to realize spraying solid dry powder to extinguish the fire.
(III) advantageous effects
Compared with the prior art, the invention provides a fire hazard prevention type magnetic latching relay and a method thereof, and the fire hazard prevention type magnetic latching relay has the following beneficial effects:
1. according to the fireproof magnetic latching relay and the method thereof, high-temperature heat of the environment is absorbed by the metal plate, the heat is transferred into the reaction airbag by the heat conducting plate, in the process, a gap is formed between the metal plate and the inner wall of the mounting groove, heat loss caused by heat transfer of the heat conducting plate is effectively reduced, most of the heat absorbed by the metal plate is transferred into hydrogen peroxide in the reaction airbag, hydrogen peroxide is promoted to be heated and decomposed at an accelerated speed, a large amount of oxygen is rapidly released, the reaction airbag is promoted to expand, the lifting seat is enabled to move upwards under the guiding action of the vertical guide rod, the vertical spring is compressed and deformed until the electrode ball is contacted with the electrode seat, the electromagnetic valve on the output end of the water storage capsule is powered on and opened, the water storage capsule is pressed by the pressing plate under the elastic action of the vertical spring, and the fire-fighting water in the water is sprayed out to the outer surface of the relay shell through the water pipe and the water outlet spray holes, so that the watering and fire-fighting effects are achieved, meanwhile, the outer surface of the relay shell is moistened, and the relay can actively extinguish fire in the prior art, and the fireproof effect of the magnetic latching relay is improved.
2. According to the fireproof magnetic latching relay and the method thereof, through the continuous expansion of the reaction air bag, when the electrode ball is contacted with the electrode seat, the vertical spring is compressed to the maximum deformation degree, hydrogen peroxide is continuously decomposed, the reaction air bag is continuously expanded, part of the reaction air bag is extruded into the extension cylinder, and then under the puncture action of the puncture needle, after the reaction air bag is broken, high-pressure gas in the reaction air bag enters the dry powder box through the through hole and the check valve, and then fire extinguishing dry powder in the reaction air bag is sprayed to the outside and the inside of the relay shell through the powder spraying pipe and the branch pipe, the fire extinguishing dry powder sprayed to the outside of the relay shell is matched with the wet outer wall of the relay shell to form a dry powder adhesive layer, so that the fireproof performance of the relay shell can be improved while the external fire extinguishing effect is improved, in addition, the fire extinguishing dry powder sprayed to the seal box can be improved, the fireproof performance of the seal box can be further protected, relay elements such as coils and the like can be further protected, and the fireproof performance of the magnetic latching relay can be fully optimized.
Drawings
Fig. 1 is a schematic view of a first-view perspective structure of a fireproof magnetic latching relay according to the present invention;
fig. 2 is a schematic view of a second perspective structure of a fireproof magnetic latching relay according to the present invention;
FIG. 3 is a cross-sectional side view of the relay housing of the present invention;
FIG. 4 is a schematic sectional view of a relay housing according to the present invention;
FIG. 5 is a schematic diagram of the internal three-dimensional structure of the relay housing according to the present invention;
fig. 6 is a schematic sectional perspective view of the dry powder box of the present invention.
In the figure: 1. a relay housing; 2. a first separator; 3. a second separator; 4. a third partition plate; 5. sealing the box; 6. an upper base; 7. a water storage capsule; 8. a middle base; 9. a dry powder box; 10. a lower base; 11. a reaction airbag; 12. a metal plate; 13. a heat conducting plate; 14. a heat insulating strip; 15. a lifting seat; 16. a vertical guide rod; 17. a vertical spring; 18. an electrode holder; 19. an electrode ball; 20. a water pipe; 21. water outlet and spraying holes; 22. an extension cylinder; 23. a needle; 24. a non-return valve; 25. fire extinguishing dry powder; 26. a powder spraying pipe; 27. powder spraying holes; 28. a branch pipe; 29. a compression bar; 30. and a pressing disc.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As described in the background of the invention, the prior art is not satisfactory, and in order to solve the above technical problems, a magnetic latching relay and a method thereof against fire are provided.
In a typical embodiment of the application, as shown in fig. 1 to 6, a fire hazard prevention type magnetic latching relay includes a relay housing 1, a mounting cavity is formed at one side of the relay housing 1, a sealing box 5 is arranged in the mounting cavity, an internal electronic component of a magnet, a coil and other magnetic latching relays is arranged in the sealing box 5, a water storage capsule 7 capable of spraying water to the outside of the relay housing 1 to extinguish fire and a dry powder box 9 capable of covering dry powder to the inside and the outside of the relay housing 1 are further arranged in the mounting cavity, a reaction airbag 11 for triggering the water storage capsule 7 and the dry powder box 9 is further arranged in the mounting cavity, and hydrogen peroxide is arranged in the reaction airbag 11; the relay shell 1 is further provided with a heat conduction assembly, the heat conduction assembly is used for conducting heat of the external environment of the relay shell 1 to the reaction airbag 11, the heat conduction assembly comprises a metal plate 12 arranged on one side of the relay shell 1 and a heat conduction plate 13 connected to the metal plate 12, the other end of the heat conduction plate 13 extends to a position below the liquid level in the reaction airbag 11, when a fire disaster occurs, the external temperature rises, the heat is absorbed through the metal plate 12, the heat is conducted to the reaction airbag 11 through the heat conduction plate 13, hydrogen peroxide in the reaction airbag 11 is decomposed, oxygen is generated, the reaction airbag 11 is promoted to expand rapidly, the water storage capsule 7 is triggered immediately to spray water out of the relay shell 1, the effect of active water spraying and fire extinguishing is achieved, the reaction airbag 11 is continuously expanded along with the continuous expansion of the reaction airbag 11, dry powder in the dry powder box 9 is sprayed to the inside and outside of the relay shell 1 by utilizing overflowed high-pressure gas, water on the outer surface of the relay shell 1 can form an adhesion layer, the fire-proof effect of the relay shell 1 is improved, dry powder spraying and the fire-proof effect of the seal box 5 is further optimized (the high fire-proof efficiency of the relay shell, the relay shell is high-pressure fire-proof efficiency, the high-proof efficiency of the relay.
As a preferred embodiment in this embodiment, a first partition board 2, a second partition board 3 and a third partition board 4 are fixedly installed on the inner wall of the installation cavity at corresponding positions, the first partition board 2, the second partition board 3 and the third partition board 4 are sequentially arranged from top to bottom, a seal box 5 is installed on the first partition board 2, an upper base 6 is installed on the second partition board 3, a water storage capsule 7 is installed in the upper base 6, fire-fighting water is contained in the water storage capsule 7, an electromagnetic valve is installed at the output end of the water storage capsule 7 and communicated with a water pipe 20, a water outlet nozzle 21 is installed at the top side of the relay housing 1, the other end of the water pipe 20 penetrates through the first partition board 2 and is communicated with the water outlet nozzle 21, a pressing rod 29 is further slidably sleeved on the first partition board 2, both ends of the pressing rod 29 respectively extend out of the upper and lower sides of the first partition board 2, a pressing disk 30 in contact with the bottom end of the water storage capsule 7 is fixedly connected to the bottom end of the pressing rod 29, an extrusion spring is further sleeved on the pressing rod 29, both ends of the extrusion spring are respectively connected to the first partition board 2 and the pressing disk 30, a mounting groove is formed in one side of the metal cushion plate 12, a vertical mounting groove is installed in the inner wall of the upper partition board 12, a reaction chamber 10, a vertical reaction ball guide rod 16 is installed on the inner wall of the upper partition board 11, a reaction chamber, a vertical reaction chamber 10, a vertical reaction pad is installed on the upper base, a reaction pad 11, a reaction chamber 10, a vertical reaction pad 16 is installed in which is installed on the upper side wall of the upper base, a reaction chamber 10, a vertical reaction pad is installed in which is installed on the lower side wall of the reaction pad 10, the electrode seat 18 and the electrode ball 19 are located in the same series circuit with the electromagnetic valve and the power supply, the vertical guide rod 16 is further sleeved with a vertical spring 17, two ends of the vertical spring 17 are respectively abutted against the third partition plate 4 and the lifting seat 15, when a fire breaks out, the ambient temperature rises, the metal plate 12 absorbs high-temperature heat of the environment and transfers the heat to the reaction airbag 11 through the heat conduction plate 13, in the process, gaps are formed between the metal plate 12 and the inner wall of the mounting groove, heat loss caused when the heat is transferred by the heat conduction plate 13 is effectively reduced, most of the heat absorbed by the metal plate 12 is transferred to hydrogen peroxide in the reaction airbag 11, hydrogen peroxide is accelerated to decompose, a large amount of oxygen is rapidly released, the reaction airbag 11 expands, the lifting seat 15 moves upwards under the guiding action of the vertical guide rod 16, the vertical spring 17 is compressed and deformed until the electrode ball 19 is in contact with the electrode seat 18, the electromagnetic valve on the output end of the water storage capsule 7 is powered on, the compression plate 30 presses the water storage capsule 7 under the elastic action of the extrusion spring, the fire-fighting water is sprayed to the electromagnetic valve 21, the outer surface of the relay 1 can be kept moist, and the outer surface of the relay can be watered relay, and the fire-fighting relay shell can be improved.
As a preferred implementation manner in this embodiment, a middle base 8 is installed on the third partition plate 4, a dry powder box 9 is installed in the middle base 8, fire extinguishing dry powder 25 is installed in the middle base 8, a powder spraying pipe 26 is further communicated with the dry powder box 9, a powder spraying hole 27 is further opened at the top side of the relay housing 1, the other end of the powder spraying pipe 26 penetrates through the first partition plate 2 and the second partition plate 3 and is communicated with the powder spraying hole 27, a branch pipe 28 corresponding to the position of the seal box 5 is further communicated with the powder spraying pipe 26, an extension cylinder 22 communicated with the inside of the lifting seat 15 is fixedly connected to the top side of the lifting seat 15, the top end of the extension cylinder 22 penetrates through the middle base 8 and the dry powder box 9 and extends into the dry powder box 9, a check valve 24 is further arranged at the top end of the extension cylinder 22, the check valve 24 is kept in a closed state in a normal state, a fixed disk is further fixedly sleeved on the inner wall of the top end of the extension cylinder 22, a plurality of through holes are opened on the fixed disk, and a pricker 23 for pricking the reaction airbag 11 is fixedly connected, when a fire disaster occurs, along with the continuous expansion of the reaction airbag 11, when the electrode ball 19 contacts the electrode seat 18, the vertical spring 17 is compressed to the maximum deformation degree, hydrogen peroxide is continuously decomposed, the reaction airbag 11 continuously expands, and part of the reaction airbag is extruded into the extension cylinder 22, so that under the pricking effect of the pricker 23, after the reaction airbag 11 is broken, high-pressure gas in the reaction airbag enters the dry powder box 9 through the through hole and the check valve 24, and then fire extinguishing dry powder 25 in the reaction airbag is sprayed to the outside and the inside of the relay housing 1 through the powder spraying pipe 26 and the branch pipe 28, the fire extinguishing dry powder 25 sprayed to the outside of the relay housing 1 forms a dry powder adhesion layer by matching with the wet outer wall of the relay housing 1, so that the external fire extinguishing effect is improved, and the fire resistance of the relay housing 1 is also improved, in addition, the fire extinguishing dry powder 25 sprayed on the seal box 5 can improve the fire resistance of the seal box 5, and further protect relay elements such as coils therein, thereby fully optimizing the fire resistance of the magnetic latching relay.
A fire protection method of a magnetic latching relay is specifically applied to the fire protection type magnetic latching relay, and comprises the following operation steps:
s1, heat conduction: when a fire occurs, external heat is absorbed through the metal plate 12 and is conducted into the reaction airbag 11 through the heat conduction plate 13;
s2, liquid fire extinguishing: the temperature in the reaction air bag 11 after the step S1 rises, hydrogen peroxide in the reaction air bag is accelerated to decompose, oxygen is generated, the reaction air bag 11 continuously expands, the electrode ball 19 is driven to be in contact with the electrode seat 18 after the reaction air bag 11 expands, the electromagnetic valve is electrified to be opened, under the extrusion action of the pressing disc 30, the water storage capsule 7 enables the fire-fighting water in the water storage capsule to be sprayed outwards through the water pipe 20, and the liquid water spraying fire extinguishing effect is achieved;
s3, solid-state fire extinguishing: after S2 watering and fire extinguishing, the reaction air bag 11 continuously expands along with continuous decomposition of hydrogen peroxide in the reaction air bag 11, part of the reaction air bag 11 is extruded into the extension cylinder 22, the reaction air bag 11 is punctured by the puncture needle 23, the overflowed high-pressure oxygen gas is filled into the dry powder box 9, and fire extinguishing dry powder 25 in the dry powder box is promoted to be sprayed to the inside and the outside of the relay shell 1 through the branch pipe 28 and the powder spraying pipe 26, so that solid dry powder is sprayed to extinguish fire.
The working principle of the invention is as follows: when a fire disaster occurs, the ambient temperature rises, the metal plate 12 absorbs high-temperature heat of the environment, and the heat is transferred into the reaction airbag 11 through the heat conducting plate 13, in the process, through the gap arranged between the metal plate 12 and the inner wall of the mounting groove, heat loss caused by heat transfer of the heat conducting plate 13 is effectively reduced, most of the heat absorbed by the metal plate 12 is transferred into hydrogen peroxide in the reaction airbag 11, hydrogen peroxide is promoted to be heated and decomposed rapidly, a large amount of oxygen is released rapidly, the reaction airbag 11 is promoted to expand, the lifting seat 15 moves upwards under the guiding action of the vertical guide rod 16, the vertical spring 17 is compressed and deformed until the electrode ball 19 is contacted with the electrode seat 18, the electromagnetic valve on the output end of the water storage capsule 7 is electrified and opened, the compression plate 30 presses the water storage capsule 7 under the elastic action of the vertical spring 17, and the fire-fighting water in the water storage capsule is sprayed to the outer surface of the relay housing 1 through the water pipe 20 and the water outlet nozzle 21, so as to achieve the fire fighting effect, and the outer surface of the relay housing 1 is moistened.
When a fire disaster occurs, along with the continuous expansion of the reaction airbag 11, when the electrode ball 19 is in contact with the electrode seat 18, the vertical spring 17 is compressed to the maximum deformation degree, hydrogen peroxide is continuously decomposed, the reaction airbag 11 is continuously expanded, and a part of the reaction airbag is extruded into the extension cylinder 22, so that under the piercing action of the piercing needle 23, after the reaction airbag 11 is broken, high-pressure gas in the reaction airbag enters the dry powder box 9 through the through hole and the check valve 24, and then fire extinguishing dry powder 25 in the reaction airbag is sprayed to the outside and the inside of the relay housing 1 through the powder spraying pipe 26 and the branch pipe 28, and the fire extinguishing dry powder 25 sprayed to the outside of the relay housing 1 forms a dry powder adhesion layer in cooperation with the wet outer wall of the relay housing 1, so that the fire extinguishing effect on the outside is improved, and the fire resistance of the relay housing 1 is also improved, in addition, the fire extinguishing dry powder 25 sprayed to the seal box 5 can improve the fire resistance of the seal box 5, and further protect relay elements such as coils, and the like, thereby fully optimizing the fire resistance of the magnetic latching relay.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A fire prevention formula magnetic latching relay which characterized in that: the relay comprises a relay shell (1), wherein an installation cavity is formed in one side of the relay shell (1), a seal box (5) is arranged in the installation cavity, internal electronic elements of a magnet, a coil and other magnetic latching relays are arranged in the seal box (5), a water storage capsule (7) capable of spraying water to the outside of the relay shell (1) for fire extinguishment and a dry powder box (9) capable of covering dry powder to the inside and the outside of the relay shell (1) are also arranged in the installation cavity, a reaction airbag (11) used for triggering the water storage capsule (7) and the dry powder box (9) is also arranged in the installation cavity, and hydrogen peroxide is arranged in the reaction airbag (11);
still install the heat conduction subassembly on relay casing (1), the heat conduction subassembly be used for with the heat conduction of relay casing (1) external environment extremely in reaction gasbag (11), just the heat conduction subassembly is including arranging metal sheet (12) of relay casing (1) one side, and connect heat-conducting plate (13) on metal sheet (12), the other end of heat-conducting plate (13) extends to below the liquid level in reaction gasbag (11).
2. The fire hazard prevention type magnetic latching relay according to claim 1, characterized in that: the installation cavity is characterized in that a first partition plate (2), a second partition plate (3) and a third partition plate (4) which are corresponding in position are fixedly installed on the inner wall of the installation cavity, the first partition plate (2), the second partition plate (3) and the third partition plate (4) are sequentially arranged from top to bottom, and a seal box (5) is installed on the first partition plate (2).
3. The magnetic latching relay against fire according to claim 2, characterized in that: install on second baffle (3) and go up base (6), water storage capsule (7) are installed in last base (6), be equipped with the fire control water in water storage capsule (7), just the output of water storage capsule (7) is equipped with the solenoid valve to the intercommunication has water pipe (20), water outlet spray hole (21) have been seted up to the top side of relay casing (1), the other end of water pipe (20) runs through first baffle (2) and with water outlet spray hole (21) are linked together.
4. The magnetic latching relay against fire according to claim 3, characterized in that: it is equipped with compressing tightly pole (29) still to slide the cover on first baffle (2), the both ends that compress tightly pole (29) extend to respectively outside the upper and lower side of first baffle (2), just the bottom fixedly connected with that compresses tightly pole (29) with water storage capsule (7) compress tightly dish (30) that contact, it is equipped with extrusion spring still to overlap on pole (29) to compress tightly, extrusion spring's both ends are connected respectively first baffle (2) with compress tightly on dish (30).
5. The fire hazard prevention type magnetic latching relay according to claim 2, characterized in that: install on third baffle (4) and put base (8), dry powder box (9) are installed put in base (8), be equipped with dry powder (25) of putting out a fire in putting base (8), still the intercommunication has dusting pipe (26) on dry powder box (9), hole (27) of dusting has still been seted up to the top side of relay casing (1), the other end of dusting pipe (26) runs through first baffle (2) with second baffle (3) and with dusting hole (27) are linked together, still the intercommunication have with lateral pipe (28) that seal box (5) position is corresponding on dusting pipe (26).
6. The fire hazard prevention type magnetic latching relay according to claim 3, characterized in that: still install lower base (10) in the installation cavity, reaction gasbag (11) are installed in lower base (10), just sliding sleeve is equipped with perpendicular guide arm (16) on third baffle (4), the bottom of perpendicular guide arm (16) is connected with the card and establishes lift seat (15) on reaction gasbag (11), still install the rubber pad on the lateral wall of installation cavity, be equipped with electrode holder (18) on the rubber pad, the top of perpendicular guide arm (16) install with electrode ball (19) of electrode holder (18) looks adaptation, electrode holder (18) reach electrode ball (19) with solenoid valve and power are located same series circuit, just it is equipped with perpendicular spring (17) still to overlap on perpendicular guide arm (16), the both ends butt respectively of perpendicular spring (17) is in third baffle (4) with on lift seat (15).
7. The flameproof magnetic latching relay according to claim 5 or 6, characterized in that: an extension cylinder (22) communicated with the interior of the lifting seat (15) is fixedly connected to the top side of the lifting seat (15), the top end of the extension cylinder (22) penetrates through the middle base (8) and the dry powder box (9) and extends into the dry powder box (9), a check valve (24) is further arranged at the top end of the extension cylinder (22), and the check valve (24) is kept in a closed state in a normal state.
8. The magnetic latching relay of claim 7, wherein: the fixed disc is fixedly sleeved on the inner wall of the top end of the extension cylinder (22), a plurality of through holes are formed in the fixed disc, and a puncture needle (23) used for puncturing the reaction air bag (11) is fixedly connected with the fixed disc.
9. The magnetic latching relay against fire according to claim 2, characterized in that: the relay comprises a relay shell (1), and is characterized in that a mounting groove is formed in one side of the relay shell (1), a metal plate (12) is mounted in the mounting groove and keeps a gap with the inner wall of one side of the mounting groove, a heat insulation strip (14) is further filled between the side wall of the mounting groove and the metal plate (12), and a heat conduction plate (13) penetrates through the mounting groove and the first partition plate (2), the second partition plate (3) and the third partition plate (4).
10. A fire protection method for a magnetic latching relay, which is particularly applied to the fire protection type magnetic latching relay according to claims 1 to 9, characterized in that: the method comprises the following operation steps:
s1, heat conduction: when a fire occurs, the metal plate (12) absorbs external heat and the heat is conducted into the reaction air bag (11) through the heat conducting plate (13);
s2, liquid fire extinguishing: the temperature in the reaction air bag (11) after the step S1 is increased, hydrogen peroxide in the reaction air bag is accelerated to decompose, oxygen is generated, the reaction air bag (11) is continuously expanded, the electrode ball (19) is driven to be in contact with the electrode seat (18) after the reaction air bag (11) is expanded, the electromagnetic valve is electrified to be opened, and under the extrusion action of the pressing disc (30), the water storage capsule (7) enables the fire-fighting water in the water storage capsule to be sprayed out through the water pipe (20) to achieve a liquid water spraying fire extinguishing effect;
s3, solid-state fire extinguishing: after S2 watering and fire extinguishing, the reaction air bag (11) continuously expands along with continuous decomposition of hydrogen peroxide in the reaction air bag (11), part of the reaction air bag (11) is extruded into the extension cylinder (22), the reaction air bag (11) is punctured by the puncture needle (23), overflowed high-pressure oxygen gas is filled into the dry powder box (9), fire extinguishing dry powder (25) in the dry powder box is promoted to be sprayed to the inside and the outside of the relay shell (1) through the branch pipe (28) and the powder spraying pipe (26), and solid dry powder spraying fire extinguishing is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941402.6A CN115317836A (en) | 2022-08-08 | 2022-08-08 | Fire-proof magnetic latching relay and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941402.6A CN115317836A (en) | 2022-08-08 | 2022-08-08 | Fire-proof magnetic latching relay and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115317836A true CN115317836A (en) | 2022-11-11 |
Family
ID=83920971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210941402.6A Pending CN115317836A (en) | 2022-08-08 | 2022-08-08 | Fire-proof magnetic latching relay and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115317836A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115845306A (en) * | 2022-12-26 | 2023-03-28 | 广州瑞港消防设备有限公司 | Fixed water-based fire extinguishing system |
| CN116158904A (en) * | 2023-04-20 | 2023-05-26 | 江苏江翔光电科技有限公司 | Welding mask bandeau structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU936940A1 (en) * | 1980-04-15 | 1982-06-23 | Войсковая часть 20914 | Throwable powder-type fire extinguisher |
| JPH11139244A (en) * | 1997-11-07 | 1999-05-25 | Matsushita Electric Ind Co Ltd | Gas generator for air bag |
| WO2000073729A1 (en) * | 1999-05-26 | 2000-12-07 | Nippon Koki Co., Ltd. | Igniter, header assembly, and igniter plug |
| RU101930U1 (en) * | 2010-04-06 | 2011-02-10 | Зао "Нпг Гранит-Саламандра" | HEAT RELAY DEVICE |
| CN205753372U (en) * | 2016-05-24 | 2016-11-30 | 金言 | A kind of protective relaying device |
| CN114618102A (en) * | 2022-03-28 | 2022-06-14 | 江苏城乡建设职业学院 | Microcapsule extinguishing device |
| CN114733108A (en) * | 2022-03-28 | 2022-07-12 | 江苏城乡建设职业学院 | Microcapsule fire extinguishing device for distribution box |
-
2022
- 2022-08-08 CN CN202210941402.6A patent/CN115317836A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU936940A1 (en) * | 1980-04-15 | 1982-06-23 | Войсковая часть 20914 | Throwable powder-type fire extinguisher |
| JPH11139244A (en) * | 1997-11-07 | 1999-05-25 | Matsushita Electric Ind Co Ltd | Gas generator for air bag |
| WO2000073729A1 (en) * | 1999-05-26 | 2000-12-07 | Nippon Koki Co., Ltd. | Igniter, header assembly, and igniter plug |
| RU101930U1 (en) * | 2010-04-06 | 2011-02-10 | Зао "Нпг Гранит-Саламандра" | HEAT RELAY DEVICE |
| CN205753372U (en) * | 2016-05-24 | 2016-11-30 | 金言 | A kind of protective relaying device |
| CN114618102A (en) * | 2022-03-28 | 2022-06-14 | 江苏城乡建设职业学院 | Microcapsule extinguishing device |
| CN114733108A (en) * | 2022-03-28 | 2022-07-12 | 江苏城乡建设职业学院 | Microcapsule fire extinguishing device for distribution box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115845306A (en) * | 2022-12-26 | 2023-03-28 | 广州瑞港消防设备有限公司 | Fixed water-based fire extinguishing system |
| CN116158904A (en) * | 2023-04-20 | 2023-05-26 | 江苏江翔光电科技有限公司 | Welding mask bandeau structure |
| CN116158904B (en) * | 2023-04-20 | 2023-07-28 | 江苏江翔光电科技有限公司 | Welding mask bandeau structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115317836A (en) | Fire-proof magnetic latching relay and method thereof | |
| CN209771154U (en) | Electric intelligent control device | |
| CN216145982U (en) | Low-voltage distribution cabinet of knob formula control | |
| CN116014571B (en) | Explosion-proof switch board | |
| CN108686320B (en) | Plastic foam's extinguishing device | |
| CN219498519U (en) | Fire disengaging mechanism of electric power energy storage cabinet | |
| CN205863045U (en) | Safety switch | |
| CN116884812A (en) | Internet of things control type circuit breaker and application method thereof | |
| CN115864209A (en) | Inflating cabinet with transformer | |
| CN110473998A (en) | A kind of new-energy automobile fire prevention battery assembly | |
| CN114832258B (en) | Microcapsule fire extinguishing device for super capacitor module | |
| CN213466574U (en) | Mechanical and electric control combined kitchen fire extinguishing system | |
| CN211907259U (en) | Explosion-proof type aluminium electrolytic capacitor shell | |
| CN110504129B (en) | Safety switch for humid environment | |
| CN106024450A (en) | Safety switch | |
| CN211258450U (en) | Fire prevention shutter controller subassembly and fire prevention shutter controller | |
| CN112509893A (en) | SF (sulfur hexafluoride)6Arc extinguish chamber of circuit breaker | |
| CN113381322B (en) | Explosion-proof distribution box | |
| CN113990635B (en) | Low noise dry type transformer | |
| CN213936097U (en) | SF6 circuit breaker arc extinguish chamber | |
| CN205828214U (en) | Waterproof rotary switch | |
| CN217961060U (en) | Battery package box trompil device suitable for new energy automobile service station | |
| CN214713952U (en) | Portable dry powder housing valve | |
| CN219658909U (en) | Cylindrical battery cell | |
| CN114916165B (en) | Intelligent cooling and pressure relief 5G communication explosion-proof equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221111 |
|
| RJ01 | Rejection of invention patent application after publication |