CN105645212B - A kind of elevator emergency system - Google Patents
A kind of elevator emergency system Download PDFInfo
- Publication number
- CN105645212B CN105645212B CN201610180615.6A CN201610180615A CN105645212B CN 105645212 B CN105645212 B CN 105645212B CN 201610180615 A CN201610180615 A CN 201610180615A CN 105645212 B CN105645212 B CN 105645212B
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- elevator emergency
- elevator
- carriage
- terminal
- exchange
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention provides a kind of elevator emergency systems, its innovative point is: including elevator emergency intercom system and elevator emergency rescue system, the elevator emergency intercom system connects elevator emergency rescue system by signaling switch, controls the starting and closure of elevator emergency rescue system；The elevator emergency intercom system includes carriage intercommunication exchange, duty room intercommunication exchange, computer room terminal, car top terminal and car floor terminal, and the carriage intercommunication exchange is integrated in anti-signal distortion system；It include COP TFT multimedia platform in the anti-signal distortion system；The COP TFT multimedia platform is provided with multiple Peripheral Interfaces, and itself is integrated with chromacoder and communication protocol.Elevator emergency intercom system of the invention, including elevator emergency intercom system and elevator emergency rescue system, can be while emergent alarm or intercommunication, and opening elevator emergency rescue system can carry out emergency management and rescue, be further ensured that the personal safety of passenger.
Description
Technical field
The present invention relates to elevator technology field more particularly to a kind of elevator emergency systems.
Background technique
In people's lives, use is more and more frequent for elevator.With the development of science and technology, high buildings and large mansions constantly increase in city
Add, elevator is also more more and more universal.People=it is convenient by elevator bring when, the safety of elevator is also more paid attention to.Now with
Elevator in many cities is used for for a long time, power supply facilities the case where there are ageing equipments, disconnected suddenly sometimes
Conductance is sent a telegraph ladder and is stopped in the process of running；Equally, alternating current interrupts suddenly will also result in that elevator is out of service, and such case can be made
At personnel's fear, or even there are some passengers too drastic reflection occur --- gate is pushed aside in outage and is climbed outward, is formed very big
Security risk.So must have emergency power system to guarantee to there is enough electric power to keep elevator complete when elevator is out of service suddenly
At leveling and door-opened elevator movement is reached, to implement rescue to the delay personnel in elevator；Meanwhile to provide abundance in elevator
Illumination and communication electric can effectively alleviate the panic mood of delay personnel in elevator.
Elevator emergency intercom system provides the voice dialogue mode of elevator subsystem and duty room under emergency rating, by elevator
Intercommunication subsystem and duty room exchange are constituted.Existing intercom system connects elevator by the way of signal cable or wireless transmission
Intercommunication subsystem and duty room host, connection type have separated time system, bus system and wireless transmission；In the prior art generally there are
Following defects: separated time system wiring is at high cost；For wireless transmission method vulnerable to interference, debugging is complicated, and stability is poor；Video intercommunication
It need to be transmitted by network or client cables.Moreover existing intercom for elevator system is interfered by elevator environmental working condition and influences to lead to
Talk about quality (ambient noise, electrical equipment radiation interference, transmission range, load change)
Such as Chinese patent CN202829192U discloses a kind of elevator emergency system, which is characterized in that the elevator is answered
Anxious system includes main controller, and connect with the main controller elevator faults sensor, emergency power supply, leveling control unit,
Enabling control unit, communication unit and oxygen replenishment unit, the elevator emergency system further includes headlamp, the headlamp with
The emergency power supply connection.The technical solution can be simultaneously electricity mainly solving the technical problems that when emergency occurs
Sufficient illumination, oxygen and communication electric are provided in terraced and sounded an alarm, the security reliability of elevator is improved, but it is not any
Emergency relief measure, this is the personal safety that cannot guarantee elevator ride person well.
Elevator long distance wireless intercom system is disclosed in such as Chinese patent CN204031379U, it is characterised in that including sedan-chair
Compartment communication, computer room extension set, GSM host, duty room terminal, carriage communication are connected by trailing cable and the communication of computer room extension set
It connects, by UHF Radio Link communication connection between computer room extension set and GSM host, passes through between GSM host and duty room terminal
GSM network communication connection.The technical solution can accomplish long-term line by way of wireless telecommunications, real time phone call, and quality is steady
It is fixed, flexible and convenient to use, good environmental adaptability, but still without solving the problem of to realize emergency relief while alarm,
Moreover using going to be wirelessly transferred, it is easy that there are signals vulnerable to interference, debugging is complicated, and stability is poor, and distorted signals is serious.
Summary of the invention
To overcome signal existing in the prior art vulnerable to interference, debugging is complicated, and stability is poor, and distorted signals is serious, and
While alarm, the problem of could not realizing emergency relief, the present invention provides a kind of elevator emergency systems.
The technical solution adopted by the present invention are as follows: a kind of elevator emergency system, innovative point are: including elevator emergency intercommunication
System and elevator emergency rescue system, the elevator emergency intercom system connect elevator emergency rescue system by signaling switch,
Control the starting and closure of elevator emergency rescue system；The elevator emergency intercom system includes carriage intercommunication exchange, duty room
Intercommunication exchange, computer room terminal, car top terminal and car floor terminal, the carriage intercommunication exchange are integrated in anti-signal distortion system；
It include COP TFT multimedia platform in the anti-signal distortion system；The COP TFT multimedia platform is provided with multiple outer
If interface, and itself it is integrated with chromacoder and communication protocol.
In some embodiments, the chromacoder is A/D conversion equipment or optical signal conversion apparatus.
In some embodiments, between the carriage intercommunication exchange and duty room intercommunication exchange, carriage intercommunication exchange with
Car top terminal, carriage intercommunication exchange and computer room terminal and carriage intercommunication exchange and car floor terminal are transmitted using CAN bus.
In some embodiments, in the chromacoder of the elevator emergency intercom system be A/D conversion equipment when,
At this point, further including D/A conversion equipment and power amplifier；The power amplifier and A/D conversion equipment or D/A conversion equipment are logical
News connection.
It in some embodiments, is optical signal conversion apparatus in the chromacoder of the elevator emergency intercom system
When, at this point, light is equally arranged in carriage intercommunication exchange, duty room intercommunication exchange, computer room terminal, car top terminal and car floor terminal
Signal processing conversion equipment.
In some embodiments, between the carriage intercommunication exchange and duty room intercommunication exchange, carriage intercommunication exchange with
Car top terminal, carriage intercommunication exchange and computer room terminal and carriage intercommunication exchange and car floor terminal use optical cable transmission.
In some embodiments, the optical cable transmission includes bidirectional data transfers channel.
In some embodiments, the power amplifier is connect with signaling switch, and the signaling switch connection elevator is answered
Anxious rescue system.
In some embodiments, the elevator emergency rescue system include electromagnetic relay, elevator electric power switch, it is spare
Power module and device for emergency operation, described electromagnetic relay one end are connected with signaling switch, the other end and standby power supply module
It is connected；The electromagnetic relay is connected to elevator electric power switch and device for emergency operation respectively.
In some embodiments, the device for emergency operation includes wheel of promptly filling the span of a man's arms, and the wheel of promptly filling the span of a man's arms includes two
A half takes turns；Any end of described two half wheels carries out a connection, and the other end is then without connection；The chord length of described two half wheels
On be provided with latch.
Compared with prior art, the beneficial effects of the present invention are:
(1) elevator emergency intercom system of the invention, including elevator emergency intercom system and elevator emergency rescue system, energy
Enough while emergent alarm or intercommunication, opening elevator emergency rescue system can carry out emergency management and rescue, be further ensured that passenger
Personal safety.
(2) elevator emergency intercom system of the invention, elevator emergency system can be integrated on COP TFT multimedia platform,
COP TFT multimedia platform has Peripheral Interface abundant, and can carry A/D conversion and communication protocol, so that it may simply mould
Quasi- voice signal is converted into digital data transmission, easy to operate, and cost of manufacture is small.
(3) elevator emergency intercom system of the invention, is also based on fiber optic communication, in carriage intercommunication exchange, duty room
Optical signal prosessing conversion equipment is equally set in intercommunication exchange, computer room terminal, car top terminal and car floor terminal, it is logical based on optical fiber
The cost of letter is small, big with roomy and reliable sexual clorminance, realizes a kind of emergency intercom system for improving traditional intercom system interconnection,
Overall installation is convenient, low in cost；It is reliable and stable；When using fiber optic communication, video intercommunication is without expanding communication route.
(4) elevator emergency intercom system of the invention, when being propagated using digital signal, carriage intercommunication exchange and duty room pair
It says between exchange, carriage intercommunication exchange and car top terminal, carriage intercommunication exchange and computer room terminal and carriage intercommunication exchange and sedan-chair
Bottom terminal is transmitted using CAN bus, be able to solve voice long distance transmission and caused by distorted signals, noise, acoustic problem, tool
There is significant transmission advantage, and is substantially reduced cost.
(5) elevator emergency rescue system of the invention mainly includes electromagnetic relay, elevator electric power switch, backup power source
Module and device for emergency operation, structure is simple, easy to connect, and the setting of device for emergency operation, and carriage quilt can more be effectively ensured
Brake is stopped.
(6) elevator emergency rescue system of the invention, including wheel of promptly filling the span of a man's arms, the wheel of promptly filling the span of a man's arms includes two and half
Wheel；Any end of described two half wheels carries out a connection, and the other end is then without connection；In the chord length of described two half wheels
It is provided with latch, by the partly release of wheel and is closed, realizes that carriage is stopped and stops, due to being provided with latch in the chord length of two sides,
Therefore latch is cooperated with the insurance latch on the outside of carriage, and bilateral generates frictional force, can effectively block insurance latch, in turn
Guarantee that elevator is parked in elevator shaft.
Detailed description of the invention
Fig. 1 is 1 elevator emergency intercom system forward direction of embodiment of the present invention transmission schematic diagram；
Fig. 2 is 1 elevator emergency intercom system reverse transfer schematic diagram of the embodiment of the present invention；
Fig. 3 is that 1 elevator emergency intercom system of the embodiment of the present invention and elevator emergency rescue system transmit schematic diagram；
Fig. 4 is 1 device for emergency operation structural schematic diagram of the embodiment of the present invention；
Fig. 5 is 1 device for emergency operation partial region enlarged drawing of the embodiment of the present invention；
Fig. 6 is 2 elevator emergency intercom system forward direction of embodiment of the present invention transmission schematic diagram.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
The present invention discloses a kind of elevator emergency system, including elevator emergency intercom system and elevator emergency rescue system,
The elevator emergency intercom system connects elevator emergency rescue system by signaling switch, and control elevator emergency rescue system opens
Dynamic and closure.
Embodiment 1
As shown in Fig. 1~2: the elevator emergency intercom system of present embodiment include carriage intercommunication exchange (such as microphone,
The communication apparatus such as intercom or microphone or intercom connect with preamplifier after equipment), duty room intercommunication exchange (example
Such as microphone, intercom communication apparatus), computer room terminal (such as computer room extension set, computer room exchange etc.), car top terminal, car floor it is whole
End, D/A conversion equipment and power amplifier；In above-mentioned main component, with reference to Fig. 1: carriage intercommunication exchange and duty room intercommunication are total
Between machine, carriage intercommunication exchange and car top terminal, carriage intercommunication exchange and computer room terminal and carriage intercommunication exchange and car floor it is whole
End is all made of CAN bus transmission, power amplifier and D/A conversion equipment communication connection；In order to solve voice long distance transmission and
Caused by distorted signals, the problem of noise, acoustic, and after being substantially reduced cost, such as Fig. 1: by carriage pair
Say that exchange is integrated in anti-signal distortion system；It include COP TFT multimedia platform in anti-signal distortion system；COP TFT
Multimedia platform is provided with multiple Peripheral Interfaces, and itself is integrated with A/D conversion equipment and communication protocol.Above-mentioned entire elevator is answered
The setting of anxious intercom system, by the propagation of digital signal, since digital signal has strong anti-interference ability, distortion is small,
The low advantage of noise, therefore, elevator emergency system can be integrated on COP TFT multimedia platform, and COP TFT multimedia platform has
Peripheral Interface abundant, and A/D conversion and communication protocol can be carried, it can it realizes and the voice signal of simulation is converted into number
Signal transmission is simplified, and easy to operate, cost of manufacture is small.In general, microphone or other equipment receive voice signal, pass through
Preposition amplification and COP TFT multimedia platform itself A/D conversion, then define voice transfer mode, are transferred to by CAN bus
Car top terminal or car floor (pit) terminal or duty room or computer room terminal.
Specifically, several different transmission modes are listed below, and with the ductility of the further expansion embodiment: a:
With reference to Fig. 1, when car call duty room, carriage microphone first receives voice signal, before COP TFT multimedia platform
It sets amplifier and carries out power amplification, then itself A/D is converted, and is subsequently loaded into CAN bus and is transmitted to duty room, then duty room
Terminal receives voice signal and is converted by D/A, restores the voice signal by loudspeaker after amplifying by amplifier；B: with reference to figure
2: when duty room calls carriage, duty room microphone first receives voice signal, after the preposition amplification of amplifier, by A/
The conversion of D converter, is loaded into CAN bus and is transmitted to COP TFT multimedia platform, COP TFT multimedia platform receives voice
Signal is converted by the D/A of itself, restores the voice signal by loudspeaker after amplification；C: Fig. 1 is referred to: when car call computer room,
Carriage microphone first receives voice signal, is amplified by COP TFT multimedia platform preamplifier, A/D conversion, load
It is transmitted to computer room to CAN bus, computer room terminal receives voice signal and converts by D/A, restores the language by loudspeaker after amplification
Sound signal.
On the basis of embodiment 1, with reference to Fig. 3, elevator emergency rescue system is increased, specifically, in present embodiment
A signaling switch 3 is also connected on the power amplifier of carriage voice receiver, the signaling switch 3 connects elevator emergency
Rescue system.It is as shown in Figure 3: elevator emergency rescue system include electromagnetic relay, elevator electric power switch, standby power supply module and
Device for emergency operation, described electromagnetic relay one end are connected with signaling switch 3, and the other end is connected with standby power supply module；It is described
Electromagnetic relay is connected to elevator electric power switch and device for emergency operation respectively.When elevator works normally, this system is in standby
State, when elevator tenesmus out of control, carriage intercommunication exchange (such as the communication apparatus such as microphone, intercom) senses that passenger issues
Sound of call for help or passenger press the alarm issued after danger button, after acoustic-electric conversion, transmit a signal to power amplifier
Power amplification is carried out, amplified signal is transmitted to signaling switch 3, and trigger signal closes the switch energization, the signaling switch 3
It is connect with the coil of electromagnetic relay, after signaling switch 3 is closed, electric current makes electromagnetic relay by the coil of electromagnetic relay
Movable contact and stationary contact closure, standby power supply module is connected, respectively by elevator electric power switch disconnects, device for emergency operation opens
Dynamic, after elevator electric power switch disconnects, electric supply power loss, the limiter of speed and safety tongs of elevator all comes into force, and carriage is fixed on
In elevator shaft.In addition, carriage, which is stopped, stops after device for emergency operation starting.
As it is further preferred that schematically illustrating the structure of device for emergency operation 1, including promptly close with reference to Fig. 4
Wheel holding 2, the wheel 2 of promptly filling the span of a man's arms include two and half wheels, respectively the first half wheels 21 and the second half wheels 22；Two and half wheel it is any
One end carries out a connection, and the other end is then without connection；Latch 23, device for emergency operation are provided in the chord length of two and half wheels
After 1 starting, with reference to such as Fig. 5, the latch 23 being arranged in the chord length of two and half wheels of wheel 2 of promptly filling the span of a man's arms is drawn close gradually, and and carriage
The insurance latch in outside is cooperated, and bilateral generates frictional force, can effectively block insurance latch, and then guarantee that elevator is parked in electricity
In stair shaft road.The elevator emergency intercom system of present embodiment, including elevator emergency intercom system and elevator emergency rescue system,
Can be while emergent alarm or intercommunication, opening elevator emergency rescue system can carry out emergency management and rescue, be further ensured that and multiply
The personal safety of visitor.
Embodiment 2
The elevator emergency intercom system of present embodiment include carriage intercommunication exchange (such as microphone, intercom etc. communication
Equipment or microphone or intercom connect with preamplifier after equipment), duty room intercommunication exchange it is (such as microphone, right
Say the communication apparatus such as machine), computer room terminal (such as computer room extension set, computer room exchange etc.), car top terminal, car floor terminal, it is above-mentioned main
In component, the cost based on fiber optic communication is small, big with roomy and reliable sexual clorminance, realizes a kind of traditional intercom system interconnection of improvement
Emergency intercom system, overall installation is convenient, low in cost；Reliable and stable, video intercommunication is examined without expanding communication route
Consider, with reference to figure, 6: when being optical signal conversion apparatus in the chromacoder of elevator emergency intercom system, at this point, carriage intercommunication
Optical signal prosessing converting means is equally set in exchange, duty room intercommunication exchange, computer room terminal, car top terminal and car floor terminal
Set, and between carriage intercommunication exchange and duty room intercommunication exchange, carriage intercommunication exchange and car top terminal, carriage intercommunication exchange and machine
Room terminal and carriage intercommunication exchange and car floor terminal are all made of optical cable transmission, in order to compensate for the distortion of optical-fibre communications, such as Fig. 1:
Carriage intercommunication exchange is integrated in anti-signal distortion system；It include COP TFT multimedia platform in anti-signal distortion system；
COP TFT multimedia platform is provided with multiple Peripheral Interfaces, and itself is integrated with optical signal conversion apparatus and communication protocol, optical fiber
The communication protocol of communication selects FC agreement；Preferably, optical cable transmission includes bidirectional data transfers channel.Its implementation
It is, by audio intercommunication information and control data, additional data by being transmitted via optical fiber after multiplexing and encoding；Described is double
It is transmitted to data, is then encoded using the method with media access control and data error control.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (4)
1. a kind of elevator emergency system, it is characterised in that: described including elevator emergency intercom system and elevator emergency rescue system
Elevator emergency intercom system by signaling switch connect elevator emergency rescue system, control elevator emergency rescue system starting and
Closure；The elevator emergency intercom system include carriage intercommunication exchange, duty room intercommunication exchange, computer room terminal, car top terminal and
Car floor terminal, the carriage intercommunication exchange are integrated in anti-signal distortion system；It include COP in the anti-signal distortion system
TFT multimedia platform；The COP TFT multimedia platform is provided with multiple Peripheral Interfaces, and itself is integrated with signal converting means
It sets and communication protocol；The elevator emergency rescue system includes electromagnetic relay, elevator electric power switch, standby power supply module and tight
Anxious operating device (1), described electromagnetic relay one end are connected with signaling switch (3), and the other end is connected with standby power supply module；Institute
Electromagnetic relay is stated to be connected to elevator electric power switch and device for emergency operation (1) respectively；The device for emergency operation (1) includes tight
It suddenly fills the span of a man's arms wheel (2), described promptly fill the span of a man's arms wheel (2) include two and half wheels, are the first half to take turns (21) and the second half and take turns (22) respectively；Institute
Any end for stating two and half wheels carries out a connection, and the other end is then without connection；It is respectively provided in the chord length of described two half wheels
There are latch (23)；The chromacoder is A/D conversion equipment；The carriage intercommunication exchange and duty room intercommunication exchange it
Between, carriage intercommunication exchange and car top terminal, carriage intercommunication exchange and computer room terminal and carriage intercommunication exchange and car floor terminal adopt
It is transmitted with CAN bus.
2. elevator emergency system according to claim 1, it is characterised in that: the signal of the elevator emergency intercom system turns
When being A/D conversion equipment in changing device, at this point, further including D/A conversion equipment and power amplifier；The power amplifier and A/
D conversion equipment or D/A conversion equipment communication connection.
3. elevator emergency system according to claim 1, it is characterised in that: the signal of the elevator emergency intercom system turns
When changing device replaces with optical signal conversion apparatus, at this point, carriage intercommunication exchange, duty room intercommunication exchange, computer room terminal, car top are whole
Optical signal prosessing conversion equipment is equally set in end and car floor terminal.
4. elevator emergency system according to claim 2, it is characterised in that: the power amplifier and signaling switch connect
It connects, the signaling switch connects elevator emergency rescue system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180615.6A CN105645212B (en) | 2016-03-25 | 2016-03-25 | A kind of elevator emergency system |
| PCT/CN2016/104198 WO2017161888A1 (en) | 2016-03-25 | 2016-11-01 | Elevator emergency system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180615.6A CN105645212B (en) | 2016-03-25 | 2016-03-25 | A kind of elevator emergency system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105645212A CN105645212A (en) | 2016-06-08 |
| CN105645212B true CN105645212B (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610180615.6A Active CN105645212B (en) | 2016-03-25 | 2016-03-25 | A kind of elevator emergency system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105645212B (en) |
| WO (1) | WO2017161888A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787637A (en) * | 2015-04-14 | 2015-07-22 | 广州市传洲电子科技有限公司 | Hybrid wireless elevator emergency help calling system |
| CN105645212B (en) * | 2016-03-25 | 2019-02-26 | 江苏威尔曼科技有限公司 | A kind of elevator emergency system |
| CN107601196B (en) * | 2017-10-27 | 2023-10-27 | 华容县广播电视技术学会 | Vertical lift elevator emergency broadcasting system for improving auxiliary rescue capability |
| CN108429570B (en) * | 2018-03-14 | 2021-04-13 | 广州科坦电子技术有限公司 | Digital-analog mixed five-party intercom system |
| CN110329858A (en) * | 2019-08-02 | 2019-10-15 | 通力电梯有限公司 | The talkback unit of lift car, the operation panel of lift car and elevator |
| CN113682365B (en) * | 2021-08-03 | 2022-12-02 | 中国建筑第八工程局有限公司 | Device capable of reducing impact safety accident of engineering electric cart |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201104361Y (en) * | 2006-11-17 | 2008-08-20 | 唐露新 | Intelligent elevator intercommunication system |
| CN201260178Y (en) * | 2008-10-07 | 2009-06-17 | 北京创毅视讯科技有限公司 | Reception card and mobile device implemented based on mobile memory card |
| CN201260158Y (en) * | 2008-10-07 | 2009-06-17 | 北京创毅视讯科技有限公司 | Mobile multimedia broadcast receiving card and mobile equipment |
| CN201369722Y (en) * | 2009-03-04 | 2009-12-23 | 上海贝思特电气有限公司 | Interphone for elevator |
| CN103303761B (en) * | 2013-06-28 | 2015-06-10 | 梁广强 | Acoustic control emergency rescue system of elevator |
| JP2015020837A (en) * | 2013-07-17 | 2015-02-02 | 株式会社日立ビルシステム | Telephone call system for elevator |
| CN203715015U (en) * | 2013-12-18 | 2014-07-16 | 宁波宏大电梯有限公司 | Emergency rescue device for home elevator |
| CN104469285A (en) * | 2014-11-04 | 2015-03-25 | 罗劲 | Elevator seven-party intercom system |
| CN104410759B (en) * | 2014-11-14 | 2017-04-05 | 广州广日电梯工业有限公司 | A kind of elevator digital speech communication device and the means of communication |
| CN104692210B (en) * | 2015-02-10 | 2017-10-10 | 东南和创（厦门）电梯安全科技有限公司 | A kind of elevator safety monitoring and multimedia play system |
| CN104787637A (en) * | 2015-04-14 | 2015-07-22 | 广州市传洲电子科技有限公司 | Hybrid wireless elevator emergency help calling system |
| CN205472079U (en) * | 2016-03-25 | 2016-08-17 | 江苏威尔曼科技有限公司 | Lift emergency system |
| CN105645212B (en) * | 2016-03-25 | 2019-02-26 | 江苏威尔曼科技有限公司 | A kind of elevator emergency system |
-
2016
- 2016-03-25 CN CN201610180615.6A patent/CN105645212B/en active Active
- 2016-11-01 WO PCT/CN2016/104198 patent/WO2017161888A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN105645212A (en) | 2016-06-08 |
| WO2017161888A1 (en) | 2017-09-28 |
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