CN106276468B - A kind of elevator One key alarming method based on Internet of Things - Google Patents
A kind of elevator One key alarming method based on Internet of Things Download PDFInfo
- Publication number
- CN106276468B CN106276468B CN201610669521.5A CN201610669521A CN106276468B CN 106276468 B CN106276468 B CN 106276468B CN 201610669521 A CN201610669521 A CN 201610669521A CN 106276468 B CN106276468 B CN 106276468B
- Authority
- CN
- China
- Prior art keywords
- alarm
- elevator
- alarm unit
- key
- mobile phone
- 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
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000013507 mapping Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 21
- 238000002604 ultrasonography Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 230000003993 interaction Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
Landscapes
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of elevator One key alarming method based on Internet of Things, comprising the following steps: key is provided and alarm unit, the key are mounted in lift car, the alarm unit installation is on the elevator car；User selects type of alarm to alarm according to the actual situation, alarm signal is sent to alarm unit, the type of alarm includes key alarm and mobile phone alarm；Alarm unit is analyzed the alarm signal received, is handled, and warning message is generated, and is then sent to elevator long-distance monitorng management platform；Elevator long-distance monitorng management platform receives the warning message sent by alarm unit, and according to the mapping relations being pre-configured with the alarm unit of storage and elevator position, the position and region for determining failure elevator, then send notification information to the mobile phone of corresponding region elevator management personnel.The present invention really can accurately obtain the position of elevator where trapped person, answer alarm it is not necessary that twenty four hours is on duty, can receive a crime report and rescue in time, to ensure that people's property and life security are full of to obtain valuable time.
Description
Technical field
The present invention relates to elevator safety technical field, in particular to a kind of elevator One key alarming method based on Internet of Things.
Background technique
With the development of modern society, elevator becomes more and more important in the daily work life of people, especially exists
Skyscraper office or the people to live are even more indispensable.
Currently, being fitted with alarm key in elevator, when elevator breaks down, trapped person is by pressing alarm key
Realize the talkthrough with elevator management personnel, trapped person reflects stranded feelings to elevator management personnel by voice communication
Condition.Since trapped person often will appear in a hurry, expression is unclear, and accurate information cannot be provided in voice call process and gives elevator pipe
Reason personnel, to cause the delay of rescue；In addition, to guarantee to obtain warning message in time, elevator management personnel need 24
Hour is on duty, wastes manpower and time.
Summary of the invention
The purpose of the present invention is to provide a kind of elevator One key alarming method based on Internet of Things, really can accurately obtain quilt
The position of elevator where oppressive member answers alarm it is not necessary that twenty four hours is on duty, saves manpower and time.
To achieve the above object, the invention adopts the following technical scheme:
A kind of elevator One key alarming method based on Internet of Things, comprising the following steps:
S1, offer key and alarm unit, the key are mounted in lift car, and the alarm unit is mounted on elevator
In carriage, the alarm unit include the alarm unit include microcontroller, communication module, voice playing module, loudspeaker and
Ups power, the microcontroller are separately connected the key, communication module, voice playing module, and the loudspeaker connect institute's predicate
Sound playing module, the ups power is microcontroller, communication module, voice playing module provide working power；
When S2, elevator faults, user selects type of alarm to alarm according to the actual situation, and alarm signal is sent to report
Alert unit, the type of alarm include key alarm, mobile phone alarm and five side of elevator call alarm key alarm；
S3, alarm unit are analyzed the alarm signal received, are handled, and generate warning message, are then sent to elevator
Remote monitoring and administration platform；
S4, elevator long-distance monitorng management platform receive the warning message that is sent by alarm unit, and according to being pre-configured with and
The alarm unit of storage and the mapping relations of elevator position determine the position and region of failure elevator, then believe notice
Breath is sent to the mobile phone of corresponding region elevator management personnel；
S5, alarm unit realize that corresponding region administrative staff and user's is real-time using integrated voice intercom device thereon
Call, and realize and interacted with elevator long-distance monitorng management platform rescue information；
S6, alarm unit are carried out double using integrated ultrasonic communication device thereon and the portable mobile terminal of user
To communication, and the phone of corresponding region elevator management personnel is connected in automatic taking turn, and is realized and managed platform with elevator long-distance monitorng
Interaction.
Preferably, the step S3 is realized step by step especially by following:
S31, alarm unit microcontroller receive alarm signal, be analyzed and processed, generate warning message；
S32, alarm unit microcontroller warning message be sent to by elevator long-distance monitorng management by communication module put down
Platform；
S33, alarm unit play voice using voice playing module and loudspeaker, prompt or pacify taking passage in elevator personnel.
Preferably, the key alarm is realized especially by following methods:
Alarm signal is sent to alarm unit by user's pressing keys, and the microcontroller of alarm unit receives the alarm signal
Number.
Preferably, the mobile phone alarm is realized especially by following methods:
User sends alarm signal to alarm unit by mobile phone, and the microcontroller of alarm unit receives the alarm signal.
Preferably, the user sends alarm signal to alarm unit by mobile phone and is realized by the following method:
User carries out corresponding alarm operation using mobile phone；
Alarm operation is converted into alarm signal by mobile phone；
The alarm signal is carried out ultrasonic wave coding by mobile phone, and plays ultrasound modalities using integrated loudspeaker thereon
Alarm signal；
Alarm unit receives the alarm signal of ultrasound modalities using integrated microphone thereon, and is decoded, raw
At warning message, it is then sent to microcontroller.
Preferably, the warning message includes user information and elevator information.
After adopting the above technical scheme, compared with the background technology, the present invention, having the advantages that
The present invention really can accurately obtain the position of elevator where trapped person, realize the wireless of elevator information and Customer information
Interaction, remote weighing answer alarm it is not necessary that twenty four hours is on duty, save manpower and time.
Detailed description of the invention
Fig. 1 is flow diagram of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment
Referring to Fig. 1, the invention discloses a kind of elevator One key alarming method based on Internet of Things, comprising the following steps:
S1, offer key and alarm unit, the key are mounted in lift car, and the alarm unit is mounted on elevator
In carriage, the alarm unit include the alarm unit include microcontroller, communication module, voice playing module, loudspeaker and
Ups power, the microcontroller are separately connected the key, communication module, voice playing module, and the loudspeaker connect institute's predicate
Sound playing module, the ups power is microcontroller, communication module, voice playing module provide working power.
When S2, elevator faults, user selects type of alarm to alarm according to the actual situation, and alarm signal is sent to report
Alert unit, the type of alarm include key alarm, mobile phone alarm and five side of elevator call alarm key alarm.
Key alarm is realized especially by following methods:
Alarm signal is sent to alarm unit by user's pressing keys, and the microcontroller of alarm unit receives the alarm signal
Number.
Mobile phone alarm is realized especially by following methods:
User sends alarm signal to alarm unit by mobile phone, and the microcontroller of alarm unit receives the alarm signal.
In the present embodiment, user sends alarm signal to alarm unit by mobile phone and is realized by the following method:
User carries out corresponding alarm operation using mobile phone；
Alarm operation is converted into alarm signal by mobile phone；
Alarm signal is carried out ultrasonic wave coding by mobile phone, and the report of ultrasound modalities is played using integrated loudspeaker thereon
Alert signal；
Alarm unit receives the alarm signal of ultrasound modalities using integrated microphone thereon, and is decoded, so
After be sent to microcontroller.
Certainly, mobile phone, which sends alarm signal to alarm unit, can also be used other modes, such as infrared, bluetooth, radio frequency, this
Invention is not specifically limited.
S3, alarm unit are analyzed the alarm signal received, are handled, and generate warning message, are then sent to elevator
Remote monitoring and administration platform.This step is realized step by step especially by following:
S31, alarm unit microcontroller receive alarm signal, be analyzed and processed, generate warning message；
S32, alarm unit microcontroller warning message be sent to by elevator long-distance monitorng management by communication module put down
Platform；
S33, alarm unit play voice using voice playing module and loudspeaker, prompt or pacify taking passage in elevator personnel.
The warning message that the present embodiment is related to includes user information and elevator information, and user information refers to the identity of user
Information can extract the identity information of user, elevator information when user uses mobile phone alarm by the APP loaded on mobile phone
Refer to position, the place cell, manufacturer of elevator, the information such as maintenance person liable.
S4, elevator long-distance monitorng management platform receive the warning message that is sent by alarm unit, and according to being pre-configured with and
The alarm unit of storage and the mapping relations of elevator position determine the position and region of failure elevator, then believe notice
Breath is sent to the mobile phone of corresponding region elevator management personnel.Elevator management personnel mentioned herein refer to elevator administrator of an estate
Member, elevator reparing maintenance person liable, rescue linkage personnel.
S5, alarm unit realize that corresponding region administrative staff and user's is real-time using integrated voice intercom device thereon
Call, and realize and interacted with elevator long-distance monitorng management platform rescue information.
S6, alarm unit are carried out double using integrated ultrasonic communication device thereon and the portable mobile terminal of user
To communication, and the phone of corresponding region elevator management personnel is connected in automatic taking turn, and is realized and managed platform with elevator long-distance monitorng
Interaction.The portable mobile terminal of user can be mobile phone, bracelet, wearable device or other electronic equipments.This step is specific
Are as follows:
User using the corresponding alarm operation of portable mobile terminal progress, (shake by such as APP application or wechat
Deng)；
Mobile terminal by the alarm operate carry out ultrasonic wave encoding and decoding conversion at alarm signal, and on alarm unit
The communication of ultrasonic communication device obtains the essential information (such as position, cell, producer, maintenance person liable) of stranded elevator and uses
The main information at family initiates call request to related personnel by mobile communication, wireless WIFI and other communication modes, and
It initiates to request in such a way that taking turn is connected；
Alarm unit sends relevant information and gives elevator long-distance monitorng platform.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (3)
1. a kind of elevator One key alarming method based on Internet of Things, which comprises the following steps:
S1, offer key and alarm unit, the key are mounted in lift car, and the alarm unit is mounted on lift car
On, the alarm unit includes that the alarm unit includes microcontroller, communication module, voice playing module, loudspeaker and UPS electricity
Source, the microcontroller are separately connected the key, communication module, voice playing module, and the loudspeaker connect the voice and broadcast
Amplification module, the ups power is microcontroller, communication module, voice playing module provide working power；
When S2, elevator faults, user selects type of alarm to alarm according to the actual situation, and it is single that alarm signal is sent to alarm
Member, the type of alarm include key alarm, mobile phone alarm and five side of elevator call alarm key alarm；
The mobile phone alarm is realized especially by following methods: user sends alarm signal, alarm to alarm unit by mobile phone
The microcontroller of unit receives the alarm signal；
The user sends alarm signal to alarm unit by mobile phone and is realized by the following method:
User carries out corresponding alarm operation using mobile phone；
Alarm operation is converted into alarm signal by mobile phone；
The alarm signal is carried out ultrasonic wave coding by mobile phone, and the report of ultrasound modalities is played using integrated loudspeaker thereon
Alert signal；
Alarm unit receives the alarm signal of ultrasound modalities using integrated microphone thereon, and is decoded, and then sends out
Give microcontroller；
S3, alarm unit are analyzed the alarm signal received, are handled, and generate warning message, are then sent to elevator long distance
Monitoring management platform；The step S3 is realized step by step especially by following:
S31, alarm unit microcontroller receive alarm signal, be analyzed and processed, generate warning message；
S32, alarm unit microcontroller by communication module by warning message be sent to elevator long-distance monitorng manage platform；
S33, alarm unit play voice using voice playing module and loudspeaker, prompt or pacify taking passage in elevator personnel；
S4, elevator long-distance monitorng management platform receive the warning message that is sent by alarm unit, and according to being pre-configured with and store
Alarm unit and elevator position mapping relations, determine the position and region of failure elevator, then send out notification information
It is sent to the mobile phone of corresponding region elevator management personnel；
S5, alarm unit realize that corresponding region administrative staff and the real-time of user are led to using integrated voice intercom device thereon
Words, and realize and interacted with elevator long-distance monitorng management platform rescue information；
S6, alarm unit carry out two-way using integrated ultrasonic communication device thereon and the portable mobile terminal of user
Letter, and the phone of corresponding region elevator management personnel is connected in automatic taking turn, and is realized and managed platform interdynamic with elevator long-distance monitorng.
2. a kind of elevator One key alarming method based on Internet of Things as described in claim 1, which is characterized in that the key report
Implement of police body is realized by the following method:
Alarm signal is sent to alarm unit by user's pressing keys, and the microcontroller of alarm unit receives the alarm signal.
3. a kind of elevator One key alarming method based on Internet of Things as claimed in claim 2, which is characterized in that the alarm signal
Breath includes user information and elevator information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669521.5A CN106276468B (en) | 2016-08-15 | 2016-08-15 | A kind of elevator One key alarming method based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669521.5A CN106276468B (en) | 2016-08-15 | 2016-08-15 | A kind of elevator One key alarming method based on Internet of Things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106276468A CN106276468A (en) | 2017-01-04 |
| CN106276468B true CN106276468B (en) | 2019-01-04 |
Family
ID=57671898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610669521.5A Expired - Fee Related CN106276468B (en) | 2016-08-15 | 2016-08-15 | A kind of elevator One key alarming method based on Internet of Things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106276468B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299178A (en) * | 2020-10-26 | 2021-02-02 | 广州朗国电子科技有限公司 | Elevator trapped help calling method, device and system based on advertising machine |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018148967A1 (en) * | 2017-02-20 | 2018-08-23 | 深圳企管加企业服务有限公司 | Big data-based elevator failure warning system and method |
| WO2018148969A1 (en) * | 2017-02-20 | 2018-08-23 | 深圳企管加企业服务有限公司 | Automatic alarm system and method in internet-of-things environment |
| WO2018152813A1 (en) * | 2017-02-25 | 2018-08-30 | 深圳益强信息科技有限公司 | Loudspeaker-based alert system and method |
| CN108928705A (en) * | 2017-05-25 | 2018-12-04 | 安徽中科福瑞科技有限公司 | A kind of elevator accident automatic alarm system and control method based on voice call |
| CN108408529A (en) * | 2018-03-26 | 2018-08-17 | 长沙环康科技有限公司 | A kind of elevator emergency calling system |
| CN109151713A (en) * | 2018-08-29 | 2019-01-04 | 住友富士电梯有限公司 | A kind of elevator push to talk emergency communication system and its implementation |
| CN111039115A (en) | 2018-10-15 | 2020-04-21 | 奥的斯电梯公司 | Method and system for monitoring elevator communication module fault and elevator |
| CN109626173A (en) * | 2018-12-05 | 2019-04-16 | 安徽电梯大叔科技有限公司 | A kind of video rescue system based on elevator safety information interaction screen |
| CN112573318A (en) * | 2020-12-16 | 2021-03-30 | 上海三菱电梯有限公司 | Elevator fault alarm system and method |
| CN114229647B (en) * | 2021-12-13 | 2023-07-28 | 无锡小爱电气有限公司 | Elevator wireless rescue system based on Internet of things technology and application method thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001055025A1 (en) * | 2000-01-28 | 2001-08-02 | Mitsubishi Denki Kabushiki Kaisha | Control/monitoring system and control/monitoring method for evevator |
| CN202481871U (en) * | 2012-03-30 | 2012-10-10 | 哈尔滨凯纳科技股份有限公司 | Elevator monitoring device |
| CN103253571A (en) * | 2013-04-28 | 2013-08-21 | 天津市安维康家科技发展有限公司 | Intelligent media advertisement machine of elevator dynamic monitoring system |
| CN203781562U (en) * | 2014-03-28 | 2014-08-20 | 珠海顺泰电梯工程有限公司 | Remote multi-terminal alarm device for elevator |
| CN203794388U (en) * | 2013-12-02 | 2014-08-27 | 山东省射频识别应用工程技术研究中心有限公司 | Elevator operation monitoring and pre-warning system |
| CN104370169A (en) * | 2014-10-21 | 2015-02-25 | 沈阳远大科技园有限公司 | Elevator Internet of Things bottom layer monitoring system and monitoring method |
| CN104692210A (en) * | 2015-02-10 | 2015-06-10 | 东南和创（厦门）电梯安全科技有限公司 | Safety monitoring and multimedia playing system for elevator |
| CN104876087A (en) * | 2015-06-17 | 2015-09-02 | 厦门乃尔电子有限公司 | Positioning technology based elevator fault rush-repair system and application method thereof |
| CN105480806A (en) * | 2016-01-20 | 2016-04-13 | 孟令海 | Internet of Things system for elevator and management method |
| CN205151435U (en) * | 2015-11-27 | 2016-04-13 | 东南和创（厦门）电梯安全科技有限公司 | Five side's phone systems of elevator emergency call |
| CN105502123A (en) * | 2015-12-15 | 2016-04-20 | 钯钯网络科技有限公司 | Coordinated rescue system for elevator trapping people |
| CN105540377A (en) * | 2015-12-28 | 2016-05-04 | 深圳神州科创电子科技有限公司秦皇岛分公司 | Internet of things remote elevator monitoring system with human face matching function |
| CN105775938A (en) * | 2016-05-03 | 2016-07-20 | 东南和创（厦门）电梯安全科技有限公司 | Elevator target floor control method |
| CN105812382A (en) * | 2016-05-03 | 2016-07-27 | 东南和创（厦门）电梯安全科技有限公司 | Multimedia push content acquisition method based on ultrasonic |
-
2016
- 2016-08-15 CN CN201610669521.5A patent/CN106276468B/en not_active Expired - Fee Related
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001055025A1 (en) * | 2000-01-28 | 2001-08-02 | Mitsubishi Denki Kabushiki Kaisha | Control/monitoring system and control/monitoring method for evevator |
| CN202481871U (en) * | 2012-03-30 | 2012-10-10 | 哈尔滨凯纳科技股份有限公司 | Elevator monitoring device |
| CN103253571A (en) * | 2013-04-28 | 2013-08-21 | 天津市安维康家科技发展有限公司 | Intelligent media advertisement machine of elevator dynamic monitoring system |
| CN203794388U (en) * | 2013-12-02 | 2014-08-27 | 山东省射频识别应用工程技术研究中心有限公司 | Elevator operation monitoring and pre-warning system |
| CN203781562U (en) * | 2014-03-28 | 2014-08-20 | 珠海顺泰电梯工程有限公司 | Remote multi-terminal alarm device for elevator |
| CN104370169A (en) * | 2014-10-21 | 2015-02-25 | 沈阳远大科技园有限公司 | Elevator Internet of Things bottom layer monitoring system and monitoring method |
| CN104692210A (en) * | 2015-02-10 | 2015-06-10 | 东南和创（厦门）电梯安全科技有限公司 | Safety monitoring and multimedia playing system for elevator |
| CN104876087A (en) * | 2015-06-17 | 2015-09-02 | 厦门乃尔电子有限公司 | Positioning technology based elevator fault rush-repair system and application method thereof |
| CN205151435U (en) * | 2015-11-27 | 2016-04-13 | 东南和创（厦门）电梯安全科技有限公司 | Five side's phone systems of elevator emergency call |
| CN105502123A (en) * | 2015-12-15 | 2016-04-20 | 钯钯网络科技有限公司 | Coordinated rescue system for elevator trapping people |
| CN105540377A (en) * | 2015-12-28 | 2016-05-04 | 深圳神州科创电子科技有限公司秦皇岛分公司 | Internet of things remote elevator monitoring system with human face matching function |
| CN105480806A (en) * | 2016-01-20 | 2016-04-13 | 孟令海 | Internet of Things system for elevator and management method |
| CN105775938A (en) * | 2016-05-03 | 2016-07-20 | 东南和创（厦门）电梯安全科技有限公司 | Elevator target floor control method |
| CN105812382A (en) * | 2016-05-03 | 2016-07-27 | 东南和创（厦门）电梯安全科技有限公司 | Multimedia push content acquisition method based on ultrasonic |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299178A (en) * | 2020-10-26 | 2021-02-02 | 广州朗国电子科技有限公司 | Elevator trapped help calling method, device and system based on advertising machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106276468A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106276468B (en) | A kind of elevator One key alarming method based on Internet of Things | |
| KR102586760B1 (en) | ＤＩＹ monitoring device and method | |
| US11475745B2 (en) | Self-contained security system including voice and video calls via the internet | |
| CN103348074B (en) | Door lock assembly | |
| ES2971050T3 (en) | Notification method and device | |
| KR101563361B1 (en) | System for wireless digital town broadcasting | |
| CN203057292U (en) | Alarm bell voice-control detector and alarm bell voice-control alarm system | |
| JP2007208533A (en) | Interphone system | |
| CN101727716B (en) | Talkback burglar alarm system and talkback burglar alarm method adopting same | |
| CN104851424A (en) | Voice recognition caring and nursing method and system | |
| US11443609B2 (en) | Security system | |
| CN105187668A (en) | Mobile terminal system unread message prompting method and apparatus, and mobile terminal | |
| CN103338316A (en) | Integrated security verification system and method | |
| CN105761430A (en) | Safety custody remote prompt system | |
| JP2008180535A (en) | Radio communication timepiece system | |
| JP5869449B2 (en) | Intercom system and apartment house intercom system | |
| CN203368626U (en) | Intelligent doorbell monitoring system based on WI-FI technology | |
| CN201623809U (en) | Pickproof device | |
| KR102470001B1 (en) | A village broadcasting apparatus and a town broadcasting method | |
| CN202523190U (en) | Security alarm system based on Ethernet transmission alarm events | |
| CN201654977U (en) | Building space wireless theftproof fire-fighting communication system structure | |
| CN204454114U (en) | A kind of wireless intercom device with monitoring function | |
| JP2012138873A (en) | Intercom device | |
| CN111232790A (en) | Elevator emergency alarm device and system | |
| CN219046198U (en) | Real-time emergency help system based on electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200521 Granted publication date: 20190104 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230521 Granted publication date: 20190104 |
|
| 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: 20190104 |