CN207233171U - A kind of fire resistant doorsets wireless door magnetic switch alarm device - Google Patents
A kind of fire resistant doorsets wireless door magnetic switch alarm device Download PDFInfo
- Publication number
- CN207233171U CN207233171U CN201721187872.9U CN201721187872U CN207233171U CN 207233171 U CN207233171 U CN 207233171U CN 201721187872 U CN201721187872 U CN 201721187872U CN 207233171 U CN207233171 U CN 207233171U
- Authority
- CN
- China
- Prior art keywords
- fire resistant
- resistant doorsets
- coding
- module
- main control
- 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.)
- Expired - Fee Related
Links
Landscapes
- Alarm Systems (AREA)
Abstract
The utility model discloses a kind of fire resistant doorsets wireless door magnetic switch alarm device, including transmitting module, main control chip, coding module, tongue tube, wire jumper pin, LED light, magnet and power supply module, the power supply module is transmitting module, main control chip, coding module, tongue tube, wire jumper pin connect power supply with LED light；The tongue tube is arranged on doorframe, and the magnet is engaged with tongue tube to be correspondingly arranged on door leaf；The coding module is connected by two sets of transistor amplifiers with main control chip, and coding module has two kinds of coding modes；By main control chip by transistor amplifier to the conversion between the different pin input control signals completion different coding pattern of coding module.If K1 pin input high level of the main control chip to coding chip, coding chip enter alarm signal coding mode, if main control chip gives K2 pin input high levels, coding chip enters inspection Signal coding pattern.
Description
Technical field
Technical field of fire control is the utility model is related to, is specifically related to a kind of fire resistant doorsets wireless door magnetic switch alarm dress
Put.The automatic detection and alarm for the fire resistant doorsets abnormality being mainly used in building, so as to reduce fire hazard.
Background technology
Fire resistant doorsets are to ensure that security against fire in building, economic loss caused by reduction fire and the important of casualties set
Apply.Fire resistant doorsets are divided into fire-proof wooden door, fire resistance steel door, steel wood fire resistant doorsets etc. according to the difference of material.No matter which kind of material
Fire resistant doorsets, it is necessary within a certain period of time with fire resistance, every cigarette and thermal insulation, so as to prevent the sprawling and diffusion of the intensity of a fire, really
Protect safety evacuation.Fire resistant doorsets must simultaneously be awarded before coming into operation by the fire resistance test of relevant department, test passes
Warrant book can put into normal use later.
Fire resistant doorsets are divided into normally closed type and two kinds open in usual again according to the difference of its normal operating conditions.Normally closed type fire resistant doorsets
In fire, flue gas or the intensity of a fire scurry into the fire escape or staircase of personnel by door opening in order to prevent, ensure the phase of fire escape
Closed mode usually should be to the fire resistant doorsets of the safe escape of safety and personnel, therefore these positions；Fire resistant doorsets master open in usual
If an independent fire compartment leads to another in the crowded place, building on fire escape, in high-rise public building
The fire resistant doorsets opened up on fire compartment region, fire wall, this kind of fire resistant doorsets are usually in open mode, can be to avoid substantial amounts of people
Stream, logistics frequently use caused by fire resistant doorsets fire resistant doorsets damage so that ensure fire resistant doorsets when fire occurs energy normal switching-off simultaneously
Play a role.Usually state in which should be checked and tieed up by the fire protection control room staff in building fire resistant doorsets in building
Shield, it is ensured that fire resistant doorsets are in normal condition all the time.
However, in practice often since some human factors make fire resistant doorsets be in abnormal condition, so as to cause it cannot
It is normal to play the effect for ensureing security against fire in building, make in building that there are serious fire hazard.In the prior art, to fire prevention
Whether door is in the mode of normal condition generally use artificial observation.By hand inspection, if it find that fire resistant doorsets be in it is non-just
Normal state, then make it recover normal condition again.However, the mode of hand inspection has the following disadvantages：Due to building
Interior fire resistant doorsets quantity is more, and present position disperses, and fire-fighting controllers, which usually require to devote a tremendous amount of time, carries out all fire prevention
Door state inspection, work efficiency is low, cannot not only find the abnormality of fire resistant doorsets in time, it could even be possible to omitting to important position
The status checkout for the fire resistant doorsets put, these factors can all seriously affect being smoothed out for Fire Escape.
The content of the invention
In view of the above-mentioned problems of the prior art, the utility model is further improved on prior art basis,
The utility model is related to a kind of fire resistant doorsets wireless door magnetic switch alarm device, solve fire resistant doorsets in existing structure often by
Abnormal condition is in human factor and influences the technical problem of security against fire.
The utility model is achieved through the following technical solutions above-mentioned purpose of utility model.
A kind of fire resistant doorsets wireless door magnetic switch alarm device, including transmitting module, main control chip, coding module, dry spring
Pipe, wire jumper pin, LED light, magnet and power supply module, the power supply module for transmitting module, main control chip, coding module,
Tongue tube, wire jumper pin connect power supply with LED light；The tongue tube is arranged on doorframe, and the magnet matches with tongue tube
Conjunction is correspondingly arranged on door leaf；
The coding module is connected by two sets of transistor amplifiers with main control chip, and coding module has two kinds of coding moulds
Formula；By main control chip different coding mould is completed by different pin input control signals of the transistor amplifier to coding module
Conversion between formula.
A kind of fire resistant doorsets wireless door magnetic switch alarm device, checks that fire resistant doorsets are in building for traditional artificial mode
No to cause to judge delay, error in judgement in abnormality, further the problem of increase fire hazard, the utility model carries
A kind of fire resistant doorsets wireless door magnetic alarm apparatus is supplied.The alarm can detect the opening and closing two states of fire resistant doorsets, when
When fire resistant doorsets are closed, detection circuit is connected, and fire resistant doorsets shutdown signal is sent to main control chip.Main control chip is according to the classes of fire resistant doorsets
Type：Open in usual and normally closed type, determines that sending alarm signal to wireless gateway device still releases alarm signal.Wireless gateway device
After the warning message for receiving this alarm, the warning message of fire resistant doorsets exception is sent to background server, background server leads to
Fire-fighting controllers real time propelling movement warning message of the mobile phone into building is crossed, fire-fighting controllers is taken measures in time,
Fire resistant doorsets are made to recover normal condition, so as to ensure the security against fire in building in time.
Further, after the decompression of the power supply module linear voltage-releasing voltage stabilizer to main control chip, tongue tube, wire jumper pin and
LED light is powered.
Further, the linear voltage decreasing voltage-stablizer realizes decompression using linear voltage decreasing voltage stabilizing chip MCP1703.
Further, power after the power supply module is depressured by resistance reduction voltage circuit to coding module.
Further, the main control chip can use STM8L low-power chips.
Further, the transmitting module is made of wireless transmission chip TX11 and telescopic antenna, and the transmitting module is used
In sending fire resistant doorsets abnormal alarm signal to wireless gateway device, if normally opened fire resistant doorsets, send alarm signal when it is closed
Number, if normally closed fire resistant doorsets, send alarm signal when it is opened；In addition to alarm signal is sent, transmitting module is every 12
Hour sends an inspection signal to wireless gateway device, represents that this alarm is in normal operating conditions.
Further, the coding module uses EV1527 coding chips, and the kind coding mode of the coding module is report
Alert Signal coding pattern and inspection Signal coding pattern, pass through difference of the transistor amplifier to coding module by main control chip
Pin input control signal completes the conversion between different coding pattern；If main control chip is inputted to the K1 pins of coding module
High level, coding module enter alarm signal coding mode, if K2 pin input high level of the main control chip to coding module,
Coding module enters inspection Signal coding pattern.
Further, the tongue tube includes vacuum glass and reed, and the vacuum glass wraps up reed, when fire resistant doorsets close
When closing, magnet on door leaf is attracted detection circuit with the reed of tongue tube in alarm and connects, and the tongue tube is to main control chip
Fire resistant doorsets shutdown signal is sent, the main control chip decides whether to alarm according to the type of fire resistant doorsets, if normally opened anti-
Vent is then alarmed, if normally closed fire resistant doorsets then release alarm.
Further, the wire jumper pin includes three stitch, is respectively stitch 1, stitch 2 and stitch 3, with different stitch
Connection mode decision fire resistant doorsets are normally opened or normally closed type, if jumper cap connects stitch 1 and stitch 2, represent current fire resistant doorsets
It is normally closed type, if jumper cap connects stitch 2 and stitch 3, it is open in usual to represent current fire resistant doorsets.
Further, the LED light is made of red and green two lamps, and red colored lamp is bright to represent this alarm
Launch alarm signal to wireless gateway device, green light is bright to represent this alarm to wireless gateway device transmitting inspection letter
Number.
The utility model compared with prior art, at least with following beneficial effect：
1st, for traditional artificial mode check in building fire resistant doorsets whether in abnormality may cause to judge delay,
Error in judgement, further the problem of increase fire hazard, the utility model provides a kind of fire resistant doorsets wireless door magnetic alarm dress
Put.The alarm can detect the opening and closing two states of fire resistant doorsets, and when fire resistant doorsets are closed, detection circuit is connected, to master
Control chip and send fire resistant doorsets shutdown signal.Main control chip is according to the types of fire resistant doorsets：Open in usual and normally closed type, determines to wireless network
Close equipment transmission alarm signal and still release alarm signal.After wireless gateway device receives the warning message of this alarm, to
Background server sends the warning message of fire resistant doorsets exception, fire-fighting controllers of the background server by mobile phone into building
Real time propelling movement warning message, enables fire-fighting controllers to take measures in time, fire resistant doorsets is recovered normal condition, so as to protect in time
Demonstrate,prove the security against fire in building；
2nd, the utility model can substitute manual type and detect the fire prevention door state in building automatically, reduce artificial detection and make
Into inaccuracy, not in time, not comprehensive, unsafe shortcoming, while save labour, improve Fire Escape efficiency；
3rd, the utility model provides a kind of fire resistant doorsets wireless door magnetic alarm apparatus, can replace the side of artificial detection
Formula, detects the abnormality of fire resistant doorsets in real time, exactly, once fire resistant doorsets are in abnormality sends alarm signal in time,
So as to reduce fire hazard, economic loss is reduced, ensures the security against fire in building.The fire resistant doorsets wireless door magnetic alarm fills
Put simple in structure, use reliable, application easy to spread.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is a kind of fire resistant doorsets wireless door magnetic switch alarm principle of device schematic diagram of the utility model；
Reference numeral and corresponding title in figure：
1- transmitting modules, 2- linear voltage decreasing voltage-stablizers, 3- main control chips, 4- coding modules, 5- tongue tubes, 51- vacuum glass
Glass, 52- reeds, 6- wire jumper pins, 61- jumper cap, 7-LED indicator lights, 8- transistor amplifiers, 9- magnet, 10- power supply moulds
Block, 11- resistance reduction voltage circuits.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment：
As shown in Figure 1, a kind of fire resistant doorsets wireless door magnetic switch alarm device, a kind of fire resistant doorsets wireless door magnetic switch alarm
Device device, including transmitting module 1, main control chip 3, coding module 4, tongue tube 5, wire jumper pin 6, LED light 7, magnet 9 and confession
Electric module 10, the power supply module 10 are transmitting module 1, main control chip 3, coding module 4, tongue tube 5, wire jumper pin 6 and LED
The connection power supply of indicator light 7；The tongue tube is arranged on doorframe, and the magnet is engaged with tongue tube is correspondingly arranged at door leaf
On；
The coding module 4 is connected by two sets of transistor amplifiers 8 with main control chip 3, coding module（4）There are two kinds
Coding mode；Completed by main control chip 3 by different pin input control signals of the transistor amplifier 8 to coding module 4
Conversion between different coding pattern.
Fire resistant doorsets wireless door magnetic alarm receives the 12V DC control source that extraneous power supply module 10 provides, and can use dry electricity
Pond is as 10 power supply of power supply module.Transmitting module 1 uses TX11 wireless transmission chips, its operating voltage range 3V ~ 12V, selection
Highest DC voltage 12V in the range of this is conducive to increase transmitting range as its actual operating voltage.
The linear lowering and stabilizing blood pressure chip MCP1703 of 12V DC voltage is depressurized to 3.3V, to low-power consumption main control chip 3, dry spring
Pipe 5, wire jumper pin 6 and LED light 7 are powered.
The associated control logic computing of fire resistant doorsets wireless door magnetic alarm is completed by main control chip 3, and main control chip 3 can use
STM8L low-power chips.
Transmitting module 1 is made of wireless transmission chip TX11 and telescopic antenna, which is mainly used for setting to radio network gateway
Preparation send fire resistant doorsets abnormal alarm signal, if normally opened fire resistant doorsets, send alarm signal when it is closed, if normally closed anti-
Vent, sends alarm signal when it is opened；In addition to alarm signal is sent, transmitting module is set when 12 is small to radio network gateway
Preparation send an inspection signal, represents that this alarm is in normal operating conditions.
Coding module 4 uses EV1527 coding chips, and 5V DC voltages are down to through resistance reduction voltage circuit by 12V DC voltage
After power.The coding module mainly has two kinds of coding modes, and one kind is alarm signal coding mode, and one kind is inspection Signal coding
Pattern, different coding is completed by main control chip by different pin input control signals of the transistor amplifier to coding chip
Conversion between pattern.If as shown in Figure 1, K1 pin input high level of the main control chip to coding chip, coding chip into
Enter alarm signal coding mode, if main control chip gives K2 pin input high levels, coding chip enters inspection Signal coding mould
Formula.Resistance reduction voltage circuit 11 is prior art circuits, and this specification just no longer illustrates.
Tongue tube 5 is made of vacuum glass and reed, vacuum glass parcel reed.Tongue tube and magnet cooperating, two
Person is respectively on doorframe and door leaf.When fire resistant doorsets are closed, the reed of tongue tube is attracted in the magnet and alarm on door leaf,
Detection circuit is connected, and sends fire resistant doorsets shutdown signal to low-power consumption main control chip, main control chip is determined according to the type of fire resistant doorsets
Whether need to alarm, if normally opened fire resistant doorsets are then alarmed, if normally closed fire resistant doorsets then release alarm.Tongue tube (Reed
Switch reed capsule or magnetic reed switch) are also referred to as, is a kind of special key of magnetosensitive, is dry-reed relay and approaches the main of switch
Component.
Wire jumper pin 6 determines fire resistant doorsets by 3.3V DC-voltage supplies, including three stitch with different stitch connection modes
It is normally opened or normally closed type, if jumper cap connects stitch 1 and 2, it is normally closed type to represent current fire resistant doorsets, if jumper cap is connected
Stitch 2 and 3, it is open in usual to represent current fire resistant doorsets.
LED light 7 is made of red and green two lamps, and red colored lamp is bright to represent that this alarm is set to radio network gateway
Preparation penetrates alarm signal, and green light is bright to represent that this alarm launches inspection signal to wireless gateway device.
A kind of fire resistant doorsets wireless door magnetic switch alarm device, checks that fire resistant doorsets are in building for traditional artificial mode
No to cause to judge delay, error in judgement in abnormality, further the problem of increase fire hazard, the utility model carries
A kind of fire resistant doorsets wireless door magnetic alarm apparatus is supplied.The alarm can detect the opening and closing two states of fire resistant doorsets, when
When fire resistant doorsets are closed, detection circuit is connected, and fire resistant doorsets shutdown signal is sent to main control chip.Main control chip is according to the classes of fire resistant doorsets
Type：Open in usual and normally closed type, determines that sending alarm signal to wireless gateway device still releases alarm signal.Wireless gateway device
After the warning message for receiving this alarm, the warning message of fire resistant doorsets exception is sent to background server, background server leads to
Fire-fighting controllers real time propelling movement warning message of the mobile phone into building is crossed, fire-fighting controllers is taken measures in time,
Fire resistant doorsets are made to recover normal condition, so as to ensure the security against fire in building in time；
The manual type that the utility model can substitute detects the fire prevention door state in building automatically, reduces artificial detection and causes
Inaccuracy, not in time, not comprehensive, unsafe shortcoming, while save labour, improve Fire Escape efficiency；
The utility model provides a kind of fire resistant doorsets wireless door magnetic alarm apparatus, can replace the mode of artificial detection,
In real time, the abnormality of fire resistant doorsets is detected exactly, once fire resistant doorsets are in abnormality sends alarm signal in time, so that
Fire hazard is reduced, reduces economic loss, ensures the security against fire in building.The fire resistant doorsets wireless door magnetic alarm apparatus knot
Structure is simple, uses reliable, application easy to spread.
As described above, it can preferably implement the present invention.Above-described embodiment, to the purpose of the present invention, skill
Art scheme and beneficial effect are further described, it should be understood that the specific reality the foregoing is merely the present invention
Mode is applied, the protection domain being not intended to limit the present invention, within the spirit and principles of the invention, that is done is any
Modification, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of fire resistant doorsets wireless door magnetic switch alarm device, including transmitting module（1）, main control chip（3）, coding module
（4）, tongue tube（5）, wire jumper pin（6）, LED light（7）, magnet（9）And power supply module（10）, it is characterised in that：The confession
Electric module（10）For transmitting module（1）, main control chip（3）, coding module（4）, tongue tube（5）, wire jumper pin（6）Indicated with LED
Lamp（7）Connection power supply；The tongue tube is arranged on doorframe, and the magnet is engaged with tongue tube to be correspondingly arranged on door leaf；
The coding module（4）Pass through two sets of transistor amplifiers（8）With main control chip（3）Connection, coding module（4）Have two
Kind coding mode；By main control chip（3）Pass through transistor amplifier（8）To coding module（4）Different pin input controls
Signal completes the conversion between different coding pattern.
A kind of 2. fire resistant doorsets wireless door magnetic switch alarm device according to claim 1, it is characterised in that：The power supply
Module（10）Linear voltage-releasing voltage stabilizer（2）Main control chip is given after decompression（3）, tongue tube（5）, wire jumper pin（6）And LED light
（7）Power supply.
A kind of 3. fire resistant doorsets wireless door magnetic switch alarm device according to claim 2, it is characterised in that：It is described linear
Voltage-releasing voltage stabilizer（2）Realized and be depressured using linear voltage decreasing voltage stabilizing chip MCP1703.
A kind of 4. fire resistant doorsets wireless door magnetic switch alarm device according to claim 1, it is characterised in that：The power supply
Module（10）Pass through resistance reduction voltage circuit（11）Coding module is given after decompression（4）Power supply.
A kind of 5. fire resistant doorsets wireless door magnetic switch alarm device according to claim 1, it is characterised in that：The master control
Chip（3）STM8L low-power chips can be used.
A kind of 6. fire resistant doorsets wireless door magnetic switch alarm device according to claim 1, it is characterised in that：The transmitting
Module（1）It is made of wireless transmission chip TX11 and telescopic antenna, the transmitting module（1）For being sent to wireless gateway device
Fire resistant doorsets abnormal alarm signal.
A kind of 7. fire resistant doorsets wireless door magnetic switch alarm device according to claim 1, it is characterised in that：The coding
Module（4）Using EV1527 coding chips, the coding module（4）Kind coding mode be alarm signal coding mode and inspection
Signal coding pattern, by main control chip（3）Pass through transistor amplifier（8）To coding module（4）Different pins input control
Signal processed completes the conversion between different coding pattern；If main control chip（3）To coding module（4）The high electricity of K1 pins input
It is flat, coding module（4）Into alarm signal coding mode, if main control chip（3）To coding module（4）The input of K2 pins it is high
Level, coding module（4）Into inspection Signal coding pattern.
A kind of 8. fire resistant doorsets wireless door magnetic switch alarm device according to claim 1, it is characterised in that：The dry spring
Pipe（5）Including vacuum glass（51）And reed（52）, the vacuum glass（51）Wrap up reed（52）, when fire resistant doorsets are closed,
Magnet on door leaf（9）With tongue tube in alarm（5）Reed（52）It is attracted detection circuit to connect, the tongue tube（5）To
Main control chip（3）Send fire resistant doorsets shutdown signal, the main control chip（3）Decide whether to report according to the type of fire resistant doorsets
It is alert, if normally opened fire resistant doorsets are then alarmed, if normally closed fire resistant doorsets then release alarm.
A kind of 9. fire resistant doorsets wireless door magnetic switch alarm device according to claim 1, it is characterised in that：The wire jumper
Pin（6）Including three stitch and jumper cap（61）, it is respectively stitch 1, stitch 2 and stitch 3, is determined with different stitch connection modes
It is normally opened or normally closed type to determine fire resistant doorsets, if jumper cap（61）Stitch 1 and stitch 2 are connected, it is normally closed to represent current fire resistant doorsets
Formula, if jumper cap（61）Stitch 2 and stitch 3 are connected, it is open in usual to represent current fire resistant doorsets.
10. according to a kind of fire resistant doorsets wireless door magnetic switch alarm device of claim 1-9 any one of them, its feature exists
In：The LED light（7）It is made of red and green two lamps, red colored lamp is bright to represent this alarm to radio network gateway
Equipment launches alarm signal, and green light is bright to represent that this alarm launches inspection signal to wireless gateway device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721187872.9U CN207233171U (en) | 2017-09-17 | 2017-09-17 | A kind of fire resistant doorsets wireless door magnetic switch alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721187872.9U CN207233171U (en) | 2017-09-17 | 2017-09-17 | A kind of fire resistant doorsets wireless door magnetic switch alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207233171U true CN207233171U (en) | 2018-04-13 |
Family
ID=61862210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721187872.9U Expired - Fee Related CN207233171U (en) | 2017-09-17 | 2017-09-17 | A kind of fire resistant doorsets wireless door magnetic switch alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207233171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110712664A (en) * | 2019-09-23 | 2020-01-21 | 广州中铁信息工程有限公司 | Wireless anti-slip device, anti-slip device storage equipment, system and control method |
-
2017
- 2017-09-17 CN CN201721187872.9U patent/CN207233171U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110712664A (en) * | 2019-09-23 | 2020-01-21 | 广州中铁信息工程有限公司 | Wireless anti-slip device, anti-slip device storage equipment, system and control method |
| CN110712664B (en) * | 2019-09-23 | 2021-10-15 | 广州中铁信息工程有限公司 | Wireless anti-slip device, anti-slip device storage equipment, system and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204804866U (en) | Pneumatic syntropy open -type tunnel air door | |
| CN204790407U (en) | A controlling means for electric energy meter batch meter | |
| CN204508485U (en) | A kind of hoistway door door lock detecting device | |
| CN207233171U (en) | A kind of fire resistant doorsets wireless door magnetic switch alarm device | |
| CN104548461A (en) | Intelligent pressure difference control system for structural fire protection | |
| CN207253622U (en) | The small-sized inspection cabinet of fire protection patrol system | |
| CN204067910U (en) | A kind of open-close type power distribution cabinet | |
| CN204537462U (en) | Possesses the traffic signal controlling machine of extra independent signal lamp fault protection circuit | |
| CN204952037U (en) | Conflagration fire extinguishing system based on two bus communication | |
| CN204983978U (en) | Automatic electric lock that response conflagration was unblanked | |
| CN209168360U (en) | A kind of security system based on image procossing | |
| CN107170171A (en) | A kind of electric power interval switch cubicle is anti-to be strayed into monitoring device | |
| CN205862508U (en) | There is the fire alarm control system of redundancy feature | |
| CN204537412U (en) | A kind of emergency evacuation pilot lamp | |
| CN106157478A (en) | Emergency evacuation indicator lamp | |
| CN205788581U (en) | A kind of evacuation indication system and escape lighting guider | |
| CN111210687B (en) | Operation and maintenance training platform for electromechanical equipment system of urban rail transit | |
| CN205886029U (en) | Fire water monitor controlling means prevents judging by accident | |
| CN207691280U (en) | ATSX intelligent duplicate power supply control cabinets | |
| CN211351335U (en) | Control electric cabinet for high-voltage line | |
| CN204557688U (en) | A kind of fire-fighting emergent evacuation indicator of Real-Time Monitoring stream of people trend | |
| CN207122327U (en) | A kind of personal safety protector | |
| CN202615740U (en) | Emergency evacuation marker lamp for intersection | |
| CN207799861U (en) | A kind of outer safety monitoring device of household portable | |
| CN202051822U (en) | Medical mast for operating rooms |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190528 Address after: Room 401, 303 Nanjie, Zhifu District, Yantai City, Shandong Province Patentee after: Yantai Wanjiawulian Technology Co.,Ltd. Address before: 100094 Fourth Floor of Huiguan Building, Zhongguancun Software Park, Haidian District, Beijing Patentee before: BEIJING FUBANG WISDOM INTERNET OF THINGS TECHNOLOGY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20210917 |