CN103920269B - A kind of gas fire-extinguishing plant with signal feedback and emergent manual operation - Google Patents

Abstract

The present invention discloses a kind of gas fire-extinguishing plant with signal feedback and emergent manual operation, comprise the electromagnetic actuator device matched and drive bottle valve, described electromagnetic actuator device comprises base, be arranged in base ejector pin component and drive described ejector pin component to open the electromagnet assembly driving bottle valve, centre hole it is provided with in the middle part of base, in the centre hole that ejector pin component is slidably matched, this ejector pin component is provided with compressing tablet; Also being provided with internal cavity on described base, be provided with by the vernier switch that described compressing tablet touches in this internal cavity, this vernier switch sends action feedback signal after being touched. This device action is reliable and stable, efficiency height, and water proof and dust proof is remarkably productive, and function is abundant practical, and emergent manual operation is simple, reliable, convenient for installation and maintenance.

Description

A kind of gas fire-extinguishing plant with signal feedback and emergent manual operation

Technical field

The present invention relates to a kind of gas fire-extinguishing plant, particularly relate to a kind of gas fire-extinguishing plant with signal feedback and emergent manual operation.

Background technology

It is that the Firefighting System of firing-fighting medium is widely used in the important facilities such as subway, tunnel, airport, market and buildings taking gas, for the fire-fighting in the places such as machine room, transformer and distribution power station (room), archives is protected. Through continuous application & development, its installation, the convenience used and outstanding extinguishing effect widely accept and approve.

Electromagnetic actuator device accepts the actuating signal from gas fire-fighting controller, opens and drives bottle valve, thus discharge driving gas, opens the selection of protected area and corresponding fire-fighting medium bottle valve, and release fire-fighting medium is to protected area, it is achieved fire-fighting is protected. And drive unit and drive bottle valve as the important parts of this type systematic, can its reliability directly determine system and normally start.

The electromagnetic actuator device of existing smothering arrangement, only adopts conventional solenoid actuated usually. After gas fire-fighting controller sends extinguishing action signal, whether action puts in place electro-magnet, and fire-fighting control center cannot obtain the feedback signal of its action. Especially in vault, southern rainy regions etc. when long-term damp atmosphere, the inner easily solidifying dew of electro-magnet, causes the corrosion of parts, stuck, flase operation, or when powering up, electric component is directly short-circuit, and system cannot start, and has affected fire extinguishing opportunity adversely. Though part drive unit has emergent manual operational unit, but because of for a long time need not, same cause action component corrosion, stuck because of solidifying dew, manual operation is difficult or at all cannot action.

Summary of the invention

Can not normally using in wet environment to solve electromagnetic actuator device in existing Firefighting System, no signal feedback after action, the problems such as manual-operated emergent operation, the present invention provides a kind of gas fire-extinguishing plant with signal feedback and emergent manual operation.

A kind of gas fire-extinguishing plant with signal feedback and emergent manual operation, comprise the electromagnetic actuator device matched and drive bottle valve, described electromagnetic actuator device comprises base, be arranged in base ejector pin component and drive described ejector pin component to open the electromagnet assembly driving bottle valve, centre hole it is provided with in the middle part of base, in the centre hole that ejector pin component is slidably matched, this ejector pin component is provided with compressing tablet; Also being provided with internal cavity on described base, be provided with by the vernier switch that described compressing tablet touches in this internal cavity, this vernier switch sends action feedback signal after being touched.

Preferably, being provided with the opening of spacing compressing tablet between described centre hole and internal cavity, the width of described opening width and compressing tablet adapts.

Preferably, described electromagnet assembly comprises housing, and the intermediate push rod of the secured core being arranged in housing and promotion ejector pin component, described intermediate push rod is fixed with the movable core coordinated with secured core;

Described case top is provided with hand-operational apparatus, comprises the top cover being sealed and matched in case top, the handle being hinged on top cover, is embedded in housing and the manual push rod that coordinates with handle, and this hand push rod supports the top of intermediate push rod;

Described handle is provided with the cam driving manual push rod, and cam edge is stated in residence along supporting in the top of manual push rod, and the initiating terminal of described cam edge is provided with the limited block limiting handle and turning to.

Preferably, described top cover top is provided with boss, fluting in the middle of boss, and Handle axis is connected in groove, and is provided with the latch hole being perpendicular to groove and running through boss and handle simultaneously, is inserted with latch assembly in described latch hole, for limiting the accident operation of handle.

Preferably, described hand push rod is arranged with O, for the sealing between hand push rod and top cover.

Preferably, described ejector pin component comprises thimble core, is connected to the thimble bottom thimble core, and the return spring being placed on outside thimble;

Thimble lower pointed end is inclined point shape, and spirrillum diversion trench has been offered in thimble periphery, and compressing tablet is bolted on thimble core;

Being the through hole passed for thimble bottom described centre hole, described through hole is provided with the support level coordinated with return spring with the joining place of centre hole.

Preferably, described driving bottle valve comprises valve body, the friction top being set on valve body is female, described friction top box thread is engaged in base bottom, this friction top mother is provided with multiple air bleed hole and top needle guide hole, described valve body is provided with just seal membrane to top needle guide hole, spool in valve body and be the annular seal space of aerification between seal membrane.

Preferably, the housing of described electromagnet assembly is externally connected with hollow screw rod, is respectively equipped with outside screw and internal thread inside and outside described screw rod, and is provided with the connector of thread fit on screw rod;

Described connector comprise coordinate with outside screw and with housing sealing jack assemblies, the plug-assembly being fixed by screws on jack assemblies, described screw end is inserted in described screw rod, also comprise the outlet joint assembly being arranged on plug-assembly, in outlet joint assembly, lead to cable.

Preferably, described jack assemblies comprises socket body, and described socket body is provided with wire connection piece and the photodiode for display working condition, and described photodiode is in parallel with power supply by cable;

Described plug-assembly comprises the header body run through by screw, is provided with the wire connection piece being connected with cable in this header body, this wire connection piece also connected by wire described in vernier switch.

Preferably, described outlet joint assembly comprises the crossover sub being tightly connected with header body, is the threading hole passed for cable in the middle of crossover sub;

Outlet joint assembly also comprises the pawl cover being set on cable, it is nested with the rubber coating for sealing between pawl cover and cable, and be provided with and be set in the hold-down nut that pawl cover is outer and is threaded with crossover sub, described pawl cover bottom is provided with multiple claw for clamping, and is provided with the conical surface for compressing described claw in described hold-down nut.

In the present invention, gas fire-extinguishing plant comprises middle electromagnet assembly, emergent hand-operational apparatus, base and vernier switch, ejector pin component, the connector of side, tie cable and driving bottle valve. On top between emergent between hand-operational apparatus and electro-magnet, bottom linker and electro-magnet, connector base and be equipped with gasket between electromagnet housing and plug, can prevent wet air and dust from entering electromagnetic actuator device inside.

Described electromagnet assembly comprises shell, upper cover plate, lower cover, secured core, movable core, coil, coil rack, insulating material, iron core sheath and intermediate push rod. The inner side at casing cylinder two ends is processed with step, installs the position of the upper and lower cover plate press-in of limit. The side of cylinder is provided with the screw rod that is perpendicular to cylinder, this screw rod not only outer round surface be processed with outside screw, in outer end, hole is also processed with internal thread. Outside screw is for fixing connector base and shell, and internal thread is used for being connected the plug of connector with base.

The upper cover plate of electro-magnet, has two semicircular groove in its side, and this groove coordinates with on cylinder two circular holes, for supply lead and signal wire being drawn from electro-magnet inside, is connected copper sheet with connector and connects. The end face of upper cover plate is evenly equipped with three threaded holes, emergent for top hand-operational apparatus can be connected with electromagnet assembly with screw. The end face of upper cover plate, lower cover is equipped with two circular holes, coil rack is correspondingly provided with two round boss, location between upper and lower cover plate and coil rack during for assembling, it is possible to when preventing from using, skeleton rotates. A circular hole is respectively had, to the adjustment of wire during ease of assembly in the middle of two round boss on coil rack top. It is provided with two breach at an upper portion thereof, supply lead and signal wire can be passed; It is provided with a breach in its underpart, from then on passes for signal wire.

Being provided with iron core sheath between the secured core of electromagnet assembly and movable core, this cover smooth surface, is conducive to movable core action. When wet air also can not with middle iron core corrosion, adhesion. There is a through hole in the middle of movable core, iron core weight can be alleviated, magnetic force during enhancing action simultaneously. Under movable core, secured core center of circular hole have an intermediate push rod, its material is copper, can not affect electro-magnet magnetic force. And it is separate between movable core, the action stroke of iron core can be controlled by adjusting its length. Being provided with insulation layer between coil and shell inner surface, meanwhile, this insulation layer can be tightly coated by coil.

Lower cover end face is evenly equipped with three threaded holes, with screw, lower base is connected with electromagnet assembly. Also have a breach in the position corresponding with breach under skeleton, facilitate signal wire from then on breach pass. The bottom of electromagnetic actuator device is base, and its underpart is provided with screw thread, for by drive unit, the bottle valve opened is connected with needing. Its end face is provided with uniform screw hole, by this hole, can it be connected with electromagnet assembly.

Base inside is provided with a cavity. At the bottom seccotine of cavity by vernier switch itself and base adhesion. The wiring end of vernier switch is connected on the copper sheet of connector base by two signal wires. Base top is processed with a step, puts into a gasket wherein, then be connected with electromagnet assembly with screw during assembling, can effectively stop wet air and dust to enter in whole drive unit.

Ejector pin component comprises thimble core, thimble, return spring, compressing tablet and screw. Thimble core top is circumferentially processed with a plane, installs compressing tablet herein with screw. Ejector pin component entirety puts into the middle hole of base. The shape of compressing tablet is " 7 " font, and the vertical edge of " 7 " font has screw hole, and the horizontal edge of " 7 " font stretches the surface to vernier switch, in order to can be pressed onto on the action component of vernier switch during action, thus sends action feedback signal.

The opening width that the width of compressing tablet is slightly less than between web member cavity and centre hole, does not offset during to ensure under compressing tablet pressure.

Thimble bottom is inclined point shape, can increase pressure during action, conveniently punctures diaphragm. It is circumferentially also processed with spirrillum diversion trench, so that the gas in diaphragm is derived fast by this groove.

All having through hole on base and thimble core, long safety pin, through this hole, before system comes into operation, can prevent the unexpected action of ejector pin component. Long safety pin one end is annulus, and during operation, finger stretches in this annulus and can pull it. Annulus is also hung and has an operation board, precaution and working method are described. The other end of long safety pin is perpendicular to bearing pin and is drilled with a hole, and through a fine wire in hole, wire two ends compress with a lead sealing, and convenient inspection drive unit state, when system needs to come into operation, it is possible to convenient extraction.

Emergent hand-operational apparatus, comprises top cover, manual push rod and O, handle and pivot pin, latch assembly and coupling screw. Having a hole in the middle of top cover, this hole coordinates with manual push rod, for the knee-action of manual push rod provides guiding. Being processed with an open slot in the middle of its upper boss, its width is slightly larger than handle thickness. Being perpendicular to this groove and have holes, a hole is Handle axis pin-and-hole, and a hole is latch hole. Top cover end face is evenly equipped with three screw holes, by this hole, can emergent hand-operational apparatus and middle electromagnet assembly be connected as a single entity. Manual push rod top is provided with a groove, loads O, can prevent wet air and dust from manually gap between push rod and top cover entering electromagnetic actuator device inside. The part that handle contacts with manual push rod is a cam structure. Pulling handle, cam rotates around bearing pin, thus promotes manual push rod downward actuation. The initiating terminal of cam curve is a limited block, in order to limit the turning direction of handle.

Handle pros and cons is all carved with the mark of its direction of operating, in order to indicate operator correctly to operate. Latch assembly comprises latch, label, fine wire and lead sealing. Latch one end is annulus, and during operation, finger stretches into annulus and can conveniently pull out latch. Annulus is also hung and has a label, in order to precaution and working method to be described. The other end is perpendicular to latch axis and is drilled with an aperture, and fine wire is through this hole. The lead sealing of wire two ends compresses.

Connector comprises plug base, base connects copper sheet, photodiode, fastening screw nut, header body, plug connect copper cover, outlet crossover sub, hold-down nut, screw and O, rubber coating, claw and multiple gasket, 4 core cables are worn in plug, are connected copper cover with plug and connect. Fastening screw nut is provided with a radial slot, and internal thread coordinates with electromagnet housing external thread of screw, during installation, utilizes this groove to be screwed into downwards, can plug base and gasket be pressed on electromagnet housing. Two power supply terminals of photodiode are connected copper sheet parallel connection by wire with base, and after working power is connected, this photodiode can be lighted. The nut of outlet crossover sub one end end lower to plug is connected, and is provided with gasket between the two. The other end is connected with hold-down nut. Rubber coating intermediate throughholes is just enclosed within the cable worn, and its upper end is pressed on the interior hole end surface of crossover sub by the claw of overcoat. Lower end and claw contact part, because of the reactive force decomposed by inclined-plane in hold-down nut, itself and cable are compressed by some pawls of claw, it is achieved the fixing and water proof and dust proof effect between cable and connector. Screw can be screwed into the screw rod internal thread of electromagnet housing, plug-assembly and electro-magnet is connected as a single entity, and power supply and signal circuit are connected. The coiled hair of screw and plug contact position add an O, can prevent entering of wet air and dust.

Described driving bottle valve, comprises the parts such as friction top mother, seal membrane and gasket, valve body and spool. Friction top main bag draws together the textural elements such as the internal thread, air bleed hole, top needle guide hole and the internal thread that is connected with valve body that are connected with drive unit. Friction top mother is drive unit and drives the heavy connection between bottle valve.

The present invention provides the gas fire-extinguishing plant being applicable under moist air environment, solve under existing smothering arrangement electromagnetic actuator device is arranged on moist Working environment, the inner easily solidifying dew of device, the problems such as action component corrosion is stuck, short-circuit, flase operation, add many places gasket, O and sealed structure, provide actuating signal feedback component and hand-operational apparatus of meeting an urgent need reliably, thimble adds spirrillum diversion trench. When device is arranged on damp atmosphere for a long time, dew and corrosion also can not be coagulated in inside. Device is when receiving after the initiating signal of gas fire-fighting controller, electro-magnet action immediately, thimble can puncture the diaphragm of Open valve, and diversion trench derives rapidly the gas in diaphragm, thus opens bottle valve, meanwhile, the vernier switch in base sends action feedback signal. Under the emergency situation such as dead electricity, pull Manual operation handle, thimble can be promoted to puncture diaphragm. This hand-operational apparatus structure is simple, and easy to operate, laborsaving, the latch assembly of increase, decreases the possibility of mishandle.

Comparing existing electromagnetic actuator device and driving bottle valve, this device action is reliable and stable, efficiency height, and water proof and dust proof is remarkably productive, and function is abundant practical, and emergent manual operation is simple, reliable, convenient for installation and maintenance.

Accompanying drawing explanation

Fig. 1 is the structural representation of the gas fire-extinguishing plant of the present invention's a kind of band signal feedback and emergent manual function;

Fig. 2 be in Fig. 1 A-A to sectional view.

Fig. 3 is electromagnet assembly housing structural representation.

Fig. 4 be upper cover plate in electromagnet assembly (Fig. 4 a), the structural representation of lower cover (Fig. 4 b).

Fig. 5 is electromagnet assembly coil skeleton structure schematic diagram.

Fig. 6 a is base structural representation.

Fig. 6 b is the sectional view of base.

Fig. 7 is ejector pin component assembling schematic diagram.

Fig. 8 a is the structural representation of top cover in hand-operational apparatus.

Fig. 8 b is the sectional view of top cover in hand-operational apparatus.

Fig. 9 is the structural representation of pawl cover in connector assembly.

Embodiment

As depicted in figs. 1 and 2, the gas fire-extinguishing plant of a kind of band signal feedback and emergent manual function comprises middle electromagnet assembly 1, the emergent hand-operational apparatus 2 on top, the base 31 of bottom and vernier switch 32, ejector pin component 33, connector assembly 4, the tie cable 5 of side and drive bottle valve 6. Wherein, electromagnet assembly 1 comprises shell 11, upper cover plate 12, lower cover 13, secured core 141, movable core 142, coil 15, coil rack 16, insulation layer 17, iron core sheath 18 and intermediate push rod 19. As shown in Figure 3, shell 11 two ends are processed with step 11a, during assembling, for limiting down, lower cover press-in position. Shell has the screw rod 111 being perpendicular to cylinder. Screw rod has outside screw 111a and internal thread 111b, is respectively used to fixing plug base 411 and header body 431. Shell also has two threading hole 11b. As shown in Figure 4, upper cover plate 12, lower cover 13 have two Wire channel in building 12a and threading breach 13a respectively, coupling screw hole 12b and 13b, circular hole 12c and 13c of fixed coil skeleton 16. As shown in Figure 5, being the coil rack 16 matched with upper cover plate 12 and lower cover 13, two Wire channel in building 16a are arranged at top, and a threading breach 16a is arranged at bottom, respectively has two round boss 16b up and down, above have circular hole in the middle of boss, adjust wire during for assembling.

As shown in figures 6 a and 6b, base 31 is arranged at the bottom of electromagnetic actuator device. There is the screw thread 31a connecting and driving bottle valve its underpart. Also has the screw hole 31b for connecting electromagnet assembly 1. Being provided with a vernier switch 32 in internal cavity 31c, the wiring end 32a of vernier switch 32 is connected with connector base wire connection piece 412 by two wire 32b. The top of base 31 processes a recessed ledge frame 31d, can put into gasket 311, then be connected with electromagnet assembly 1 with screw 312 during assembling.

As shown in Figure 7, ejector pin component 33 comprises thimble core 331, thimble 332, return spring 333, compressing tablet 334 and screw 335. Thimble core 331 top is processed with plane 331a and screw hole 331b, is installed by compressing tablet 334 with screw 335. Compressing tablet 334 is " 7 " font, and vertical edge also has screw hole 334a, and after installation, horizontal edge can reach directly over the action component of vernier switch 32, after whole set energising action, can trigger vernier switch 32 and send feedback signal. The width of the opening 31f that the width of compressing tablet 334 is slightly less than between base cavity 31c and centre hole 31e, opening 31f is the guide rail of compressing tablet 334 action, can not offset when ensureing under compressing tablet 334 pressure. Thimble 332 bottom is inclined point shape, and its angle is determined through test, acts on the pressure on seal membrane 62 when such structure can increase action, conveniently punctures diaphragm. Also being processed with several spirrillums diversion trench 332a on its circumference face, so that after puncturing seal membrane 62, the gas in annular seal space 6a is derived by this groove as early as possible, spool 65 is opened as early as possible. Through hole 31g on the base 31 and through hole 331c on thimble core 331 is supporting, is used for through long safety pin 341. One end of long safety pin 341 is annulus 341a, during operation, finger can be facilitated to stretch into and pull out this pin. Annulus 341a also hangs and has an operation board 342, precaution during description operation and method. The other end of long safety pin 341, is perpendicular to bearing pin center and is drilled with an aperture 341b, and through a fine wire 343 in hole, wire two ends lead sealing 344 compresses, and in order to check state and the integrity of safety pin, prevents the unconventional release of Firefighting System.

The emergent hand-operational apparatus 2 on top, comprises top cover 21, manual push rod 221 and O 222, handle 231 and pivot pin 232, latch assembly 24, coupling screw 25 and gasket 26. Wherein, as figures 8 a and 8 b show, having small through hole 21a in the middle of top cover 21, this hole coordinates with manual push rod 221, for the action of manual push rod 221 provides guiding. Top cover 21 top also has boss 21b, and middle processing open slot 21c, centre is that handle 231 pivot pin 232 is connected with it. It is perpendicular to this groove and has holes, be respectively Handle axis pin-and-hole 21d and latch hole 21e. Having uniform screw hole 21f on top cover 21, recessed step 21g is arranged at top, during assembling, puts into gasket 26, is connected with electromagnet assembly 1 with coupling screw 25. Add the O 222 on manual push rod 221, can prevent wet air and dust from entering in whole device. Handle 231 and manual push rod 221 contact part are a cam 231a, pull handle 231, and cam 231a rotates around pivot pin 232, convert the change of the eccentric amount of cam to promote manual push rod 221 linear mobile stroke. The initiating terminal of cam curve is a limited block 231b, can limit the turning direction of handle 231, and meanwhile, handle pros and cons also has the mark 231c in order to indicate direction of operating. Latch assembly 24 comprises latch 241, instruction plate 242, fine wire 243 and lead sealing 244. Its structure and effect are with the long safety pin assembly 34 on base 31.

Quad 5 is worn in connector assembly 4, is connected with the actuating signal feedback line of the supply lead of electro-magnet and vernier switch. Comprise jack assemblies 41, fastening screw nut 42, plug-assembly 43 and outlet joint assembly 44. In jack assemblies 41, socket body 411 is provided with wire connection piece 412 photodiode in parallel with supply lead 413, by fastening screw nut 42, it is connected with the screw rod 111 on electromagnet assembly shell 11. Indentation sealing pad 414 between socket and shell. The cable 5 worn is connected with the wire adapter sleeve 432 on plug-assembly 43 inserted head body 431, with screw 433 and O, is screwed in screw rod 111, and complete installation is to, on electromagnet assembly 1, power supply and signal feedback circuit are connected easily and fast. Gasket 434 is had, water proof and dust proof between header body 431 and socket body 411. Outlet joint assembly 44 comprises crossover sub 441, gasket 442, rubber coating 443, cutting ferrule 444 and hold-down nut 445. Being threading hole in the middle of crossover sub 441, upper external thread is screwed in header body 431, and centre is provided with gasket 442. Pawl cover 444 is enclosed within rubber coating 443, is enclosed within cable 5 together with hold-down nut 445. Hold-down nut 445 is screwed in crossover sub 441 lower thread, inner conical surface 445a press against on pawl 444 (as shown in Figure 9) of cover the multiple claw 444a separated and inwardly tightens up rubber coating 443, thus by fixing between cable 5 and connector assembly 4, and there is functions of waterproof and dustproof.

Bottle valve 6 is driven to comprise the parts such as friction top mother 61, seal membrane 62, gasket 63, valve body 64 and spool 65. The upper internal threaded 61a of friction top mother 61 is connected with the screw thread 31a of drive unit base 31 bottom, and lower internal thread 61d is connected with valve body 64, seal membrane 62 and gasket 63 is pressed on valve body. Friction top mother 61 is also provided with some air bleed hole 61b and top needle guide hole 61c.

Adopt a kind of band signal feedback of the present invention and the smothering arrangement of the electromagnetic actuator device of emergent manual function and driving valve, after gas fire-fighting controller sends initiating signal, start power supply by cable 5, connector assembly 4 is received on solenoid 15, magnetic force is produced between secured core 141 and movable core 142, movable core 142 promotes intermediate push rod 19 downward, thus promote ejector pin component 33 downward actuation, thimble 332 punctures the seal membrane 62 driven in bottle valve 6, the gas of the annular seal space 6a between spool 65 and seal membrane 62 discharges from the bleed 61b friction top mother 61, spool 65 can be opened. meanwhile, the compressing tablet 334 on thimble core 331 presses lower vernier switch 32 to send actuating signal, and by wire, another two wires through connector assembly 4 and cable 5 are sent to gas fire-fighting controller or other Signal reception devices. after power cut-off, in electromagnet assembly 1, magnetic force disappears, and under the elastic force effect of return spring 333, ejector pin component 33 is by intermediate push rod 19 upwardly movable core 142, and meanwhile, compressing tablet 334 upwards lifting, action feedback signal disconnects, and complete assembly resets.

During manual operation, first latch 241 is extracted out, then handle 231 is pulled by the direction of operating mark 231c on handle 231, cam 231a promotes manual push rod 221 downward, by movable core 142, intermediate push rod 19, thus promote thimble 332 to puncture seal membrane 62, and discharging the gas in annular seal space 6a, namely spool 65 is manually opened.

During installation, by internal thread 61a on the screw thread 31a screw-in driving bottle valve friction top mother 61 on base 31. Meanwhile, by 4 wire access Gas controller respective terminal of cable 5. Before total system comes into operation, long safety pin 341 is extracted out.

The gas fire-extinguishing plant many places of the present invention's a kind of band signal feedback and emergent manual function have employed gasket, O and have the outlet joint assembly 44 of waterproof and dustproof structure, wet air and dust access to plant can be prevented inner, parts, because of solidifying dew, corrosion and short circuit, stuck, ensure that the reliability of action. Meanwhile, device has signal feedback function, can fire-fighting control center receive device power up after action situation, strengthen the remote monitoring ability of system. The top needle point structure improved and diversion trench are arranged, and accelerate the time released and drive valve to open of gas in diaphragm. The emergent manually behaviour's assembly 2 improved, the introducing of handle cam structure, reduces manual operation power, the setting of limited block 231b and operation mark 231c, ensure that the correct direction of operating under emergency situation, has striven for the time for Firefighting System starts.

The above embodiment is only the preferred embodiment of the present invention be described; not the scope of the present invention is limited; under the prerequisite not departing from inventive design spirit; the various distortion that the technical scheme of the present invention is made by this area ordinary skill technician and improvement, in the protection domain that the claim book that all should fall into the present invention is determined.

Claims (9)

1. one kind has the gas fire-extinguishing plant of signal feedback and emergent manual operation, comprise the electromagnetic actuator device matched and drive bottle valve, described electromagnetic actuator device comprises base, be arranged in base ejector pin component and drive described ejector pin component to open the electromagnet assembly driving bottle valve, it is characterized in that, centre hole it is provided with in the middle part of base, ejector pin component is slidably fitted in centre hole, and this ejector pin component is provided with compressing tablet; Also being provided with internal cavity on described base, be provided with by the vernier switch that described compressing tablet touches in this internal cavity, this vernier switch sends action feedback signal after being touched;

The opening being provided with spacing compressing tablet between described centre hole and internal cavity, the width of described opening width and compressing tablet adapts.

2. there is the gas fire-extinguishing plant of signal feedback and emergent manual operation as claimed in claim 1, it is characterized in that, described electromagnet assembly comprises housing, the intermediate push rod of the secured core being arranged in housing and promotion ejector pin component, described intermediate push rod is fixed with the movable core coordinated with secured core;

Described case top is provided with hand-operational apparatus, comprises the top cover being sealed and matched in case top, the handle being hinged on top cover, is embedded in housing and the hand push rod that coordinates with handle, and this hand push rod supports the top of intermediate push rod;

Described handle is provided with the cam driving hand push rod, and cam edge is stated in residence along supporting in the top of hand push rod, and the initiating terminal of described cam edge is provided with the limited block that restriction handle turns to.

3. there is the gas fire-extinguishing plant of signal feedback and emergent manual operation as claimed in claim 2, it is characterized in that, described top cover top is provided with boss, fluting in the middle of boss, Handle axis is connected in groove, and it is provided with the latch hole being perpendicular to groove and running through boss and handle simultaneously, it is inserted with latch assembly in described latch hole, for limiting the accident operation of handle.

4. there is the gas fire-extinguishing plant of signal feedback and emergent manual operation as claimed in claim 3, it is characterised in that, described hand push rod is arranged with O, for the sealing between hand push rod and top cover.

5. there is the gas fire-extinguishing plant of signal feedback and emergent manual operation as claimed in claim 2, it is characterised in that, described ejector pin component comprises thimble core, is connected to the thimble bottom thimble core, and the return spring being placed on outside thimble;

Thimble lower pointed end is inclined point shape, and spirrillum diversion trench has been offered in thimble periphery, and compressing tablet is bolted on thimble core;

Being the through hole passed for thimble bottom described centre hole, described through hole is provided with the support level coordinated with return spring with the joining place of centre hole.

6. there is the gas fire-extinguishing plant of signal feedback and emergent manual operation as claimed in claim 5, it is characterized in that, described driving bottle valve comprises valve body, the friction top being set on valve body is female, described friction top box thread is engaged in base bottom, this friction top mother is provided with multiple air bleed hole and top needle guide hole, and described valve body is provided with just seal membrane to top needle guide hole, spool in valve body and be the annular seal space of aerification between seal membrane.

7. there is the gas fire-extinguishing plant of signal feedback and emergent manual operation as claimed in claim 6, it is characterized in that, the housing of described electromagnet assembly is externally connected with hollow screw rod, is respectively equipped with outside screw and internal thread inside and outside described screw rod, and is provided with the connector of thread fit on screw rod;

Described connector comprise coordinate with outside screw and with housing sealing jack assemblies, the plug-assembly being fixed by screws on jack assemblies, described screw end is inserted in described screw rod, also comprise the outlet joint assembly being arranged on plug-assembly, in outlet joint assembly, lead to cable.

8. there is the gas fire-extinguishing plant of signal feedback and emergent manual operation as claimed in claim 7, it is characterized in that, described jack assemblies comprises socket body, being provided with wire connection piece and the photodiode for display working condition on described socket body, described photodiode is in parallel with power supply by cable;

Described plug-assembly comprises the header body run through by screw, is provided with the wire connection piece being connected with cable in this header body, this wire connection piece also connected by wire described in vernier switch.

9. there is the gas fire-extinguishing plant of signal feedback and emergent manual operation as claimed in claim 8, it is characterised in that, described outlet joint assembly comprises the crossover sub being tightly connected with header body, is the threading hole passed for cable in the middle of crossover sub;

Outlet joint assembly also comprises the pawl cover being set on cable, it is nested with the rubber coating for sealing between pawl cover and cable, and be provided with and be set in the hold-down nut that pawl cover is outer and is threaded with crossover sub, described pawl cover bottom is provided with multiple claw for clamping, and is provided with the conical surface for compressing described claw in described hold-down nut.