CN107386915A - A kind of fireproof isolating door system - Google Patents

A kind of fireproof isolating door system Download PDF

Info

Publication number
CN107386915A
CN107386915A CN201710773578.4A CN201710773578A CN107386915A CN 107386915 A CN107386915 A CN 107386915A CN 201710773578 A CN201710773578 A CN 201710773578A CN 107386915 A CN107386915 A CN 107386915A
Authority
CN
China
Prior art keywords
fire
slide rail
control module
module
resistant doorsets
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
Application number
CN201710773578.4A
Other languages
Chinese (zh)
Inventor
陆影龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Shuo Yao Electronic Material Co Ltd
Original Assignee
Suzhou Shuo Yao Electronic Material Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Shuo Yao Electronic Material Co Ltd filed Critical Suzhou Shuo Yao Electronic Material Co Ltd
Priority to CN201710773578.4A priority Critical patent/CN107386915A/en
Publication of CN107386915A publication Critical patent/CN107386915A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/70Power-operated mechanisms for wings with automatic actuation
    • E05F15/72Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42Sliding wings; Details of frames with respect to guiding
    • E06B3/46Horizontally-sliding wings
    • E06B3/4636Horizontally-sliding wings for doors
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/06Electric actuation of the alarm, e.g. using a thermally-operated switch
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Type of wing
    • E05Y2900/132Doors
    • E05Y2900/134Fire doors

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Special Wing (AREA)

Abstract

The invention discloses a kind of fireproof isolating door system, it includes base, base is embedded at mall entrance, base top is provided with the first slide rail, the upper plane of first slide rail is concordant with ground, the second slide rail is additionally provided with directly over first slide rail, fire resistant doorsets reciprocatingly slide under the guiding of the first slide rail and the second slide rail, the side of fire resistant doorsets is provided with opening and closing driving mechanism, opening a drive mechanism includes vertical stand, the upper end of vertical stand is provided with guiding set, push rod is fixedly connected through guiding set with fire resistant doorsets, the other end of push rod is hinged with connector, the bottom of connector is fixedly connected with swing rod, the lower hinge of swing rod is on the ground, oscillating cylinder is connected with the middle part of swing rod.The present invention can cut off burning things which may cause a fire disaster in time and fire disaster emergency system is connected with temperature sensor by Smoke Sensor, make accurate fire Disaster Grade and judge, carry out Self-extinguishing or fire brigade's fire extinguishing, and response is timely, rapid.

Description

A kind of fireproof isolating door system
Technical field:
The present invention relates to technical field of fire control, and in particular to a kind of fireproof isolating door system.
Background technology:
Most of rolling screen door used in public places at present is metal rolling shutter door, and it is typically only capable of playing antitheft work With once fire incident occurs, this door can be burned out quickly, therefore cannot function as fireproof isolating door.In order to meet public field Security against fire requirement, ensure the life security of people, just must be provided with a kind of to be both easy to people again from the scene of a fire with fire insulation The fire resistant doorsets isolating door of middle escape.And existing fireproof isolating door, thicker fire proofing material is typically set in the shop front, Also wicket is separately opened on big isolating door or beside it simultaneously, to be escaped while the scene of a fire is isolated.This fire prevention The problem of isolating door is that structure is more thick and heavy, and space-consuming is big, and the setting of wicket is comparatively laborious, once fire occurs, may be gone out Do not open now the situation of door, and escaped to be eager, wicket may be destroyed, and the fire insulation function of isolating door is affected.
The content of the invention:
The purpose of the present invention is aiming at the deficiencies in the prior art, there is provided a kind of fireproof isolating door system.
The technology solution of the present invention is as follows:
A kind of fireproof isolating door system, it includes base, and base is embedded at mall entrance, and base top is provided with first Slide rail, the upper plane of the first slide rail is concordant with ground, the second slide rail is additionally provided with directly over the first slide rail, fire resistant doorsets are first Reciprocatingly slided under the guiding of slide rail and the second slide rail, the side of fire resistant doorsets is provided with opening and closing driving mechanism, opens a drive mechanism bag Vertical stand is included, the upper end of vertical stand is provided with guiding set, and push rod is fixedly connected through guiding set with fire resistant doorsets, the other end of push rod Portion is hinged with connector, and the bottom of connector is fixedly connected with swing rod, and the lower hinge of swing rod connects in the middle part of swing rod on the ground It is connected to oscillating cylinder;Fire resistant doorsets include symmetrically arranged external door panel and top end socket and bottom head, the external door panel of both sides and Top end socket, bottom head form hollow structure, external door panel include set gradually from outside to inside decorative layer, fire proof heat-insulation layer with And supporting layer, hollow structure are internally provided with multiple Smoke Sensors, temperature sensor and shower nozzle, shower nozzle is with being embedded in external door Water pipe connection in the middle part of plate.
Smoke Sensor, temperature sensor and fire disaster emergency system connect, and fire disaster emergency system includes control module, alarm Device, fire-sprinkling system, smog shielding system, comprehensive analysis module, Ethernet, remote server, Smoke Sensor, temperature pass Sensor electrically connects with control module respectively, control module and siren, fire-sprinkling system, smog shielding system, comprehensive analysis Module electrically connects, and control module is further remotely connected with remote server with Ethernet wireless connection, Ethernet, long-range clothes Business device includes fixation and recognition module, road condition analyzing module and building profiling module, fixation and recognition module, road condition analyzing module and Building profiling module communicates with fire brigade.
Smoke signal, the temperature signal that control module receives Smoke Sensor, temperature sensor is sent, and smog is believed Number, temperature signal be transmitted to comprehensive analysis module, comprehensive analysis module analyzes fire etc. according to the characteristics of smoke signal, temperature signal Level situation, and fire size class situation is fed back into control module, control module selects only to touch according to the fire size class situation of feedback Activating alarm device, fire-sprinkling system, smog shielding system or triggering siren, fire-sprinkling system, smog shielding system Simultaneously by ethernet communication remote server, remote server communication fire brigade, and by positional information, traffic information and building Thing overview informs fire brigade.
Control module is single-chip microcomputer or host computer, and control module includes control button, control panel and display.Smog Sensor, temperature sensor are provided with multigroup.Remote server is communicated by cable network or wireless network with fire brigade, wirelessly Network is 2G networks, 3G network or 4G networks.
The structure of first slide rail and the second slide rail is identical, including sliding track body and the cunning being arranged in sliding track body Groove, chute side are provided with flexible cover plate, and chute is used to accommodate fire resistant doorsets.
Chute can be covered after flexible cover plate elongation, the flexible cover plate of elongation is concordant with ground, and flexible cover plate and ground Pattern it is identical.
Vertical stand, swing rod and oscillating cylinder are detachably connected with ground.
The beneficial effects of the present invention are:The present invention can cut off burning things which may cause a fire disaster in time and by Smoke Sensor and TEMP Device connects fire disaster emergency system, makes accurate fire Disaster Grade and judges, carries out Self-extinguishing or fire brigade's fire extinguishing, response In time, rapidly.
Brief description of the drawings:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of fire resistant doorsets.
Embodiment:
In order that the above objects, features and advantages of the present invention can be more obvious understandable, below in conjunction with the accompanying drawings to this hair Bright embodiment is described in detail.
As shown in Figure 1-2, a kind of fireproof isolating door system, it includes base 10, and base 10 is embedded at mall entrance, bottom 10 tops of seat are provided with the first slide rail 11, and the upper plane of the first slide rail 11 is concordant with ground, and the surface of the first slide rail 11 is also set The second slide rail 12 is equipped with, fire resistant doorsets 2 reciprocatingly slide under the guiding of the first slide rail 11 and the second slide rail 12, the side of fire resistant doorsets 2 Opening and closing driving mechanism is provided with, opening a drive mechanism includes vertical stand 30, and the upper end of vertical stand 30 is provided with guiding set, push rod 20 It is fixedly connected through guiding set with fire resistant doorsets 2, the other end of push rod 20 and connector 32 are be hinged, the bottom of connector 32 and pendulum Bar 31 is fixedly connected, and on the ground, the middle part of swing rod 31 is connected with oscillating cylinder 33 to the lower hinge of swing rod 31;Fire resistant doorsets 2 wrap Include symmetrically arranged external door panel and top end socket 252 and bottom head 251, the external door panel of both sides and top end socket 252, bottom End socket 251 forms hollow structure 24, and external door panel includes the decorative layer 21, fire proof heat-insulation layer 22 and branch set gradually from outside to inside Support layer 23, hollow structure 24 is internally provided with multiple Smoke Sensors 26, temperature sensor 28 and shower nozzle 27, shower nozzle 27 with it is embedding The water pipe 230 in the middle part of external door panel is located to connect.
Smoke Sensor 26, temperature sensor 28 are connected with fire disaster emergency system, fire disaster emergency system include control module, Siren, fire-sprinkling system, smog shielding system, comprehensive analysis module, Ethernet, remote server, Smoke Sensor, temperature Degree sensor electrically connects with control module respectively, control module and siren, fire-sprinkling system, smog shielding system, synthesis Analysis module electrically connects, and control module is further remotely connected with remote server with Ethernet wireless connection, Ethernet, far Journey server includes fixation and recognition module, road condition analyzing module and building profiling module, fixation and recognition module, road condition analyzing mould Block and building profiling module communicate with fire brigade.
Smoke signal, the temperature signal that control module receives Smoke Sensor, temperature sensor is sent, and smog is believed Number, temperature signal be transmitted to comprehensive analysis module, comprehensive analysis module analyzes fire etc. according to the characteristics of smoke signal, temperature signal Level situation, and fire size class situation is fed back into control module, control module selects only to touch according to the fire size class situation of feedback Activating alarm device, fire-sprinkling system, smog shielding system or triggering siren, fire-sprinkling system, smog shielding system Simultaneously by ethernet communication remote server, remote server communication fire brigade, and by positional information, traffic information and building Thing overview informs fire brigade.
Control module is single-chip microcomputer or host computer, and control module includes control button, control panel and display.Smog Sensor, temperature sensor are provided with multigroup.Remote server is communicated by cable network or wireless network with fire brigade, wirelessly Network is 2G networks, 3G network or 4G networks.
First slide rail 11 is identical with the structure of the second slide rail 12, including sliding track body and is arranged in sliding track body Chute, chute side is provided with flexible cover plate, and chute is used to accommodate fire resistant doorsets.
Chute can be covered after flexible cover plate elongation, the flexible cover plate of elongation is concordant with ground, and flexible cover plate and ground Pattern it is identical.
Vertical stand 30, swing rod 31 and oscillating cylinder 33 are detachably connected with ground.
The embodiment is to the illustrative present invention, not for the limitation present invention.Any those skilled in the art The embodiment can be modified under the spirit and scope without prejudice to the present invention, therefore the rights protection model of the present invention Enclose, should be as listed by the claim of the present invention.

Claims (6)

  1. A kind of 1. fireproof isolating door system, it is characterised in that:It includes base (10), and base (10) is embedded at mall entrance, Base (10) top is provided with the first slide rail (11), and the upper plane of the first slide rail (11) is concordant with ground, the first slide rail (11) Surface is additionally provided with the second slide rail (12), and fire resistant doorsets (2) are reciprocal under the guiding of the first slide rail (11) and the second slide rail (12) Slide, the side of fire resistant doorsets (2) is provided with opening and closing driving mechanism, and opening a drive mechanism includes vertical stand (30), vertical stand (30) Upper end be provided with guiding set, push rod (20) through guiding set is fixedly connected with fire resistant doorsets (2), the other end of push rod (20) and Connector (32) is be hinged, and the bottom of connector (32) is fixedly connected with swing rod (31), the lower hinge of swing rod (31) on the ground, Oscillating cylinder (33) is connected with the middle part of swing rod (31);Fire resistant doorsets (2) include symmetrically arranged external door panel and top end socket (252) and bottom head (251), the external door panel and top end socket (252) of both sides, bottom head (251) form hollow structure (24), external door panel includes decorative layer (21), fire proof heat-insulation layer (22) and the supporting layer (23) set gradually from outside to inside, hollow Structure (24) is internally provided with multiple Smoke Sensors (26), temperature sensor (28) and shower nozzle (27), shower nozzle (27) with it is embedding Water pipe (230) connection being located in the middle part of external door panel.
  2. A kind of 2. fireproof isolating door system according to claim 1, it is characterised in that:Smoke Sensor (26), temperature pass Sensor (28) is connected with fire disaster emergency system, and fire disaster emergency system includes control module, siren, fire-sprinkling system, smog Shielding system, comprehensive analysis module, Ethernet, remote server, Smoke Sensor, temperature sensor are electric with control module respectively Connection, control module electrically connect with siren, fire-sprinkling system, smog shielding system, comprehensive analysis module, control module Further remotely be connected with remote server with Ethernet wireless connection, Ethernet, remote server include fixation and recognition module, Road condition analyzing module and building profiling module, fixation and recognition module, road condition analyzing module and building profiling module are with disappearing Anti- team's communication.
  3. A kind of 3. fireproof isolating door system according to claim 2, it is characterised in that:Control module receives smog sensing Smoke signal that device, temperature sensor are sent, temperature signal, and smoke signal, temperature signal are transmitted to comprehensive analysis module, it is comprehensive Close analysis module and fire size class situation is analyzed according to the characteristics of smoke signal, temperature signal, and fire size class situation is fed back to Control module, control module select only to trigger siren, fire-sprinkling system, smog isolation according to the fire size class situation of feedback By ethernet communication remote server while system or triggering siren, fire-sprinkling system, smog shielding system, far Journey server communicates fire brigade, and positional information, traffic information and building overview are informed into fire brigade.
  4. A kind of 4. fireproof isolating door system according to claim 2, it is characterised in that:Control module be single-chip microcomputer or on Position machine, control module include control button, control panel and display;Smoke Sensor, temperature sensor are provided with multigroup;Far Journey server is communicated by cable network or wireless network with fire brigade, and wireless network is 2G networks, 3G network or 4G networks.
  5. A kind of 5. fireproof isolating door system according to claim 1, it is characterised in that:First slide rail (11) and the second slide rail (12) structure is identical, and including sliding track body and the chute being arranged in sliding track body, chute side is provided with flexible Cover plate, chute are used to accommodate fire resistant doorsets.
  6. A kind of 6. fireproof isolating door system according to claim 1, it is characterised in that:It can be covered after flexible cover plate elongation Chute, the flexible cover plate of elongation is concordant with ground, and flexible cover plate is identical with the pattern on ground.
CN201710773578.4A 2017-08-31 2017-08-31 A kind of fireproof isolating door system Pending CN107386915A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710773578.4A CN107386915A (en) 2017-08-31 2017-08-31 A kind of fireproof isolating door system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710773578.4A CN107386915A (en) 2017-08-31 2017-08-31 A kind of fireproof isolating door system

Publications (1)

Publication Number Publication Date
CN107386915A true CN107386915A (en) 2017-11-24

Family

ID=60348975

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710773578.4A Pending CN107386915A (en) 2017-08-31 2017-08-31 A kind of fireproof isolating door system

Country Status (1)

Country Link
CN (1) CN107386915A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109785567A (en) * 2017-12-22 2019-05-21 湖南汇博电子科技股份有限公司 Fire resistant doorsets concentrate suggestion device and fire door system
CN112102579A (en) * 2020-07-28 2020-12-18 上海有间建筑科技有限公司 Wisdom building safety fire extinguishing system based on thing networking

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2226128Y (en) * 1995-05-19 1996-05-01 成都市东风机械厂 Internal spraying type fireproof rolling blind
CN103691088A (en) * 2013-12-10 2014-04-02 柳州译海网络科技有限公司 Corridor firefighting system based on remote feedback data
CN204299424U (en) * 2014-12-02 2015-04-29 深圳市龙电科技实业有限公司 A kind of sideslip type protective door
CN205778339U (en) * 2016-05-22 2016-12-07 成都巨通商贸有限公司 A kind of modified form fireproof and theftproof door
CN106869724A (en) * 2017-03-27 2017-06-20 浙江省现代建筑设计研究院有限公司 A kind of Intelligent Measurement from put out a fire formula fire resistant doorsets
CN206384115U (en) * 2017-01-06 2017-08-08 无锡市欣帆船舶设备有限公司 Ship hydraulic slide
CN207278132U (en) * 2017-08-31 2018-04-27 苏州烁耀电子材料有限公司 A kind of fireproof isolating door system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2226128Y (en) * 1995-05-19 1996-05-01 成都市东风机械厂 Internal spraying type fireproof rolling blind
CN103691088A (en) * 2013-12-10 2014-04-02 柳州译海网络科技有限公司 Corridor firefighting system based on remote feedback data
CN204299424U (en) * 2014-12-02 2015-04-29 深圳市龙电科技实业有限公司 A kind of sideslip type protective door
CN205778339U (en) * 2016-05-22 2016-12-07 成都巨通商贸有限公司 A kind of modified form fireproof and theftproof door
CN206384115U (en) * 2017-01-06 2017-08-08 无锡市欣帆船舶设备有限公司 Ship hydraulic slide
CN106869724A (en) * 2017-03-27 2017-06-20 浙江省现代建筑设计研究院有限公司 A kind of Intelligent Measurement from put out a fire formula fire resistant doorsets
CN207278132U (en) * 2017-08-31 2018-04-27 苏州烁耀电子材料有限公司 A kind of fireproof isolating door system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109785567A (en) * 2017-12-22 2019-05-21 湖南汇博电子科技股份有限公司 Fire resistant doorsets concentrate suggestion device and fire door system
CN109785567B (en) * 2017-12-22 2021-01-15 湖南汇博电子科技股份有限公司 Centralized prompting device for fireproof door and fireproof door system
CN112102579A (en) * 2020-07-28 2020-12-18 上海有间建筑科技有限公司 Wisdom building safety fire extinguishing system based on thing networking

Similar Documents

Publication Publication Date Title
CN109908523A (en) Movable-type intelligent extinguishing device and control system based on Internet of Things Network Communication
CN201981966U (en) Normally-open fire door
CN207278132U (en) A kind of fireproof isolating door system
CN102116125B (en) Folding normally-open fireproof door
CN206877092U (en) A kind of balcony, window intelligent monitoring child safety protection system
CN105488888A (en) Intelligent entrance guard system
CN203285082U (en) Mobile outdoor connected bank kiosk
CN107386915A (en) A kind of fireproof isolating door system
KR102063707B1 (en) Artificial intelligence door system
CN107120044A (en) A kind of underground power cable passage Fire-proof door device
CN207863784U (en) A kind of fire exit door of improved structure
CN108404307A (en) A kind of escape device for high-rise buildings
CN204984159U (en) Intelligence revolving door three -dimensional security protection system
CN110211315A (en) Smart home remote anti-theft monitoring system and method
CN201679512U (en) Split type electric control pneumatic anti-clamping air door
CN106476669B (en) The double-deck fire-fighting publicity experience locomotive
CN218698767U (en) Fire-fighting equipment maintenance detection robot for communication office building
CN208396628U (en) A kind of fire resistance rolling shutter door
CN208319777U (en) A kind of prefabricated cabin escaping device from fire disaster
CN201152122Y (en) Flat open type safety window
CN107689133B (en) Intelligent early warning disaster reduction protection system for fire disaster
CN205391530U (en) Multifunction fire -fighting case
CN210396564U (en) Bidirectional fireproof evacuation door
CN207332367U (en) It can carry out the withdrawal booth and system of automatic alarm
CN107489357A (en) Intelligent network alarm fire exit door

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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171124

WD01 Invention patent application deemed withdrawn after publication