CN113184645A - Intelligent access control circuit and control method - Google Patents
Intelligent access control circuit and control method Download PDFInfo
- Publication number
- CN113184645A CN113184645A CN202110318195.4A CN202110318195A CN113184645A CN 113184645 A CN113184645 A CN 113184645A CN 202110318195 A CN202110318195 A CN 202110318195A CN 113184645 A CN113184645 A CN 113184645A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000006854 communication Effects 0.000 claims abstract description 54
- 238000004891 communication Methods 0.000 claims abstract description 54
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims description 21
- 238000010586 diagram Methods 0.000 description 5
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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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
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3453—Procedure or protocol for the data transmission or communication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/468—Call registering systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/46—Switches or switchgear
- B66B2201/4607—Call registering systems
- B66B2201/4615—Wherein the destination is registered before boarding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/46—Switches or switchgear
- B66B2201/4607—Call registering systems
- B66B2201/4638—Wherein the call is registered without making physical contact with the elevator system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/46—Switches or switchgear
- B66B2201/4607—Call registering systems
- B66B2201/4653—Call registering systems wherein the call is registered using portable devices
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses an intelligent access control circuit and a control method, comprising the following steps: the system comprises a central control sub-circuit, a power supply sub-circuit, a vertical lifting sub-circuit, a WIF I communication sub-circuit and a password control sub-circuit; the central control sub-circuit receives the running state of the elevator and sends the running state to the mobile terminal through the W I F I communication sub-circuit; the mobile terminal receives a remote command input by a user and sends the remote command to the central control sub-circuit through the WIFI communication sub-circuit, and the central control sub-circuit controls the vertical lifting sub-circuit to control the running state of the elevator according to the remote command; the password control sub-circuit is used for receiving an elevator control command manually input by a user, and the central control sub-circuit controls the operation of the elevator according to the elevator control command. The elevator remote calling and state monitoring system can realize elevator remote calling and state monitoring, and is high in user experience.
Description
Technical Field
The invention relates to the technical field of elevator control, in particular to an intelligent access control circuit.
Background
An elevator is a transportation device that vertically transports pedestrians or goods, serving a building of a prescribed floor. The elevator brings a lot of convenience to people, and meanwhile, the elevator occupies much time. In addition, on some floors with confidential work, the elevator is not provided with a safety control device, any external personnel have the permission to use the elevator, and the safety guarantee of a user is reduced to a certain extent. Therefore, the invention of a safe and reliable intelligent access control circuit is a problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The present invention provides an intelligent access control circuit, which aims to solve the above-mentioned drawbacks of the prior art.
In a first aspect, the invention discloses an intelligent access control circuit, which comprises a central control sub-circuit, a power supply sub-circuit, a vertical lifting sub-circuit, a WIFI communication sub-circuit and a password control sub-circuit; the power supply sub-circuit, the vertical lifting sub-circuit, the WIFI communication sub-circuit and the password control sub-circuit are respectively and electrically connected with the central control sub-circuit, and the vertical lifting sub-circuit, the WIFI communication sub-circuit and the password control sub-circuit are respectively and electrically connected with the central control sub-circuit; the vertical lifting sub-circuit is used for acquiring the running state of an elevator, and the central control sub-circuit receives the running state of the elevator and sends the running state of the elevator to the mobile terminal through the WIFI communication sub-circuit; the mobile terminal receives a remote command input by a user and sends the remote command to the central control sub-circuit through the WIFI communication sub-circuit, and the central control sub-circuit controls the vertical lifting sub-circuit to control the running state of the elevator according to the remote command; the password control sub-circuit is used for receiving an elevator control command manually input by a user, and the central control sub-circuit controls the operation of the elevator according to the elevator control command.
Preferably, the password control sub-circuit comprises a password keyboard unit and a display unit; the password keyboard unit and the display unit are respectively and electrically connected with the central control sub-circuit.
Preferably, the intelligent access control circuit number comprises a wireless radio frequency sub-circuit; the wireless radio frequency sub-circuit is electrically connected with the central control sub-circuit; the wireless radio frequency sub-circuit is used for realizing IC card swiping operation control of the elevator.
Preferably, the central control sub-circuit comprises a liquid crystal display end connecting unit, a WIFI communication connecting unit and a keyboard data connecting unit; the liquid crystal display end connecting unit is used for transmitting liquid crystal display data in parallel, the WIFI communication connecting unit is used for achieving WIFI data communication, and the keyboard data connecting unit is used for achieving password input control.
Preferably, the first end, the second end, the third end, the fourth end, the fifth end, the sixth end and the seventh end of the display unit are electrically connected to the data port of the liquid crystal display end connection unit, the eighth end of the display unit is electrically connected to the input data selection port of the liquid crystal display end connection unit, the ninth end of the display unit is electrically connected to the write-in and read-out selection port of the liquid crystal display end connection unit, and the tenth end of the display unit is electrically connected to the enable port of the liquid crystal display end connection unit.
Preferably, a TX end of the WIFI communication connection unit is electrically connected to an RXD port of the WIFI communication connection unit, and an RX end of the WIFI communication connection unit is electrically connected to a TXD port of the WIFI communication connection unit.
Preferably, the password keyboard unit is a 4x4 password unit; the 4x4 password unit is electrically connected with the keyboard data connection unit.
In a second aspect, the present invention also discloses a control method, including the intelligent access control circuit in the first aspect, the control method includes:
obtaining the running state of an elevator;
the running state of the elevator is sent to a mobile terminal for real-time monitoring;
receiving a remote command input by a user;
controlling the running state of the elevator according to the remote command;
or receiving an elevator control command manually input by a user;
and controlling the operation of the elevator according to the elevator control command.
The intelligent access control circuit has the following beneficial effects that: the device comprises a central control sub-circuit, a power supply sub-circuit, a vertical lifting sub-circuit, a WIFI communication sub-circuit and a password control sub-circuit; the power supply sub-circuit, the vertical lifting sub-circuit, the WIFI communication sub-circuit and the password control sub-circuit are respectively and electrically connected with the central control sub-circuit, and the vertical lifting sub-circuit, the WIFI communication sub-circuit and the password control sub-circuit are respectively and electrically connected with the central control sub-circuit; the vertical lifting sub-circuit is used for acquiring the running state of an elevator, and the central control sub-circuit receives the running state of the elevator and sends the running state of the elevator to the mobile terminal through the WIFI communication sub-circuit; the mobile terminal receives a remote command input by a user and sends the remote command to the central control sub-circuit through the WIFI communication sub-circuit, and the central control sub-circuit controls the vertical lifting sub-circuit to control the running state of the elevator according to the remote command; the password control sub-circuit is used for receiving an elevator control command manually input by a user, and the central control sub-circuit controls the operation of the elevator according to the elevator control command. Therefore, the elevator remote calling and state monitoring system can realize elevator remote calling and state monitoring, and is high in user experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic block diagram of an intelligent access control circuit according to a preferred embodiment of the present invention;
fig. 2 is a circuit diagram of a central control sub-circuit of an intelligent access control circuit according to a preferred embodiment of the present invention;
fig. 3 is a circuit diagram of a WIFI communication sub-circuit of an intelligent access control circuit according to a preferred embodiment of the present invention;
fig. 4 is a circuit diagram of a password keyboard unit of an intelligent access control circuit according to a preferred embodiment of the present invention;
fig. 5 is a circuit diagram of a display unit of an intelligent access control circuit according to a preferred embodiment of the present invention;
fig. 6 is a flowchart of an intelligent access control method according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
Example one
Fig. 1 and 2 show a preferred embodiment of the present invention, which includes a central control sub-circuit 1, a power supply sub-circuit 2, a vertical lift sub-circuit 3, a WIFI communication sub-circuit 4, and a password control sub-circuit 5; the power supply sub-circuit 2, the vertical lifting sub-circuit 3, the WIFI communication sub-circuit 4 and the password control sub-circuit 5 are respectively electrically connected with the central control sub-circuit 1, and the vertical lifting sub-circuit 3, the WIFI communication sub-circuit 4 and the password control sub-circuit 5 are respectively electrically connected with the central control sub-circuit 1; the vertical lifting sub-circuit 3 is used for acquiring the running state of the elevator, and the central control sub-circuit 1 receives the running state of the elevator and sends the running state of the elevator to the mobile terminal through the WIFI communication sub-circuit 4; the mobile terminal receives a remote command input by a user and sends the remote command to the central control sub-circuit 1 through the WIFI communication sub-circuit 4, and the central control sub-circuit 1 controls the vertical lifting sub-circuit 3 to control the running state of an elevator according to the remote command; the password control sub-circuit 5 is used for receiving an elevator control command manually input by a user, and the central control sub-circuit 1 controls the operation of the elevator according to the elevator control command. Therefore, the elevator remote calling and state monitoring system can realize elevator remote calling and state monitoring, and is high in user experience.
Preferably, referring to fig. 4 and 5, the password control sub-circuit 5 includes a password keyboard unit 51 and a display unit 52; the password keyboard unit 51 and the display unit 52 are electrically connected to the central control sub-circuit 1, respectively. It will be appreciated that the combination keypad unit 51 is used for authentication of a cell phone-less user; when a user without a mobile phone enters the elevator, a correct password is input on the password keyboard unit 51, and the user can select a target floor on the elevator floor selection panel after the system passes verification. In this embodiment, the display unit 52 is an LCD display.
Preferably, referring to fig. 3, the intelligent access control circuit comprises a radio frequency sub-circuit 6; the wireless radio frequency sub-circuit 6 is electrically connected with the central control sub-circuit 1; and the wireless radio frequency sub-circuit 6 is used for realizing IC card swiping operation control of the elevator. The wireless radio frequency sub-circuit 6 is used as a communication bridge between the user mobile phone terminal and the intelligent access controller, on one hand, the running state information of the elevator such as the floor and the running direction is transmitted to the user mobile phone terminal, on the other hand, the user mobile phone terminal sends the control command of the elevator such as an uplink command, a downlink command, a target floor and the like to the intelligent access controller, and the bidirectional communication function is realized.
Preferably, the central control sub-circuit 1 includes a liquid crystal display end connection unit 11, a WIFI communication connection unit 12 and a keyboard data connection unit 13; the liquid crystal display end connecting unit 11 is used for transmitting liquid crystal display data in parallel, the WIFI communication connecting unit 12 is used for achieving WIFI data communication, and the keyboard data connecting unit 13 is used for achieving password input control. In this embodiment, the central control sub-circuit 1 is a single chip microcomputer. In another preferred embodiment, the model of the central control sub-circuit is not particularly limited.
Preferably, the first end, the second end, the third end, the fourth end, the fifth end, the sixth end and the seventh end of the display unit are electrically connected to the data ports P1.0 to P1.7 of the liquid crystal display end connection unit 11, respectively, the eighth end of the display unit is electrically connected to the input data selection port RS of the liquid crystal display end connection unit 11, the ninth end of the display unit is electrically connected to the write and read selection port RW of the liquid crystal display end connection unit 11, and the tenth end of the display unit is electrically connected to the enable port EN of the liquid crystal display end connection unit 11.
Preferably, referring to fig. 3, a TX end of the WIFI communication connection unit 12 is electrically connected to an RXD port of the WIFI communication connection unit 12, and an RX end of the WIFI communication connection unit 12 is electrically connected to a TXD port of the WIFI communication connection unit 12. It can be understood that the model of the WIFI communication connection unit of this embodiment is HX-M02. In another preferred embodiment, the chip type of the WIFI communication connection unit is not particularly limited.
Preferably, the password keyboard unit is a 4x4 password unit; the 4x4 password unit is electrically connected with the keyboard data connection unit 13. The password keyboard unit 51 of the present invention is a 4X4 matrix keyboard, and the key identification method is a line scanning method.
Example two
The present invention also discloses a control method, please refer to fig. 6, including an intelligent access control circuit according to the first embodiment, where the control method includes:
s1, obtaining the running state of the elevator;
s2, sending the running state of the elevator to a mobile terminal for real-time monitoring;
s3, receiving a remote command input by a user;
s4, controlling the running state of the elevator according to the remote command;
s5, or receiving an elevator control command manually input by a user;
and S6, controlling the operation of the elevator according to the elevator control command.
Preferably, in this embodiment, the central control subunit is a master controller, and the intelligent access control method of the present invention can communicate with the user mobile phone terminal through the WIFI communication sub-circuit, and can also communicate with the password control sub-circuit through a data signal line; the central control subunit is arranged on the elevator car, receives data transmitted by the elevator self controller, obtains operation parameters such as the floor where the elevator is located, the operation direction and the like, and transmits the operation parameters to a mobile phone user passing system verification, receives an instruction of the mobile phone user or a password user, transmits the instruction to the elevator self controller after processing, and controls the elevator to actually operate by the elevator self controller. In the invention, the upper computer software on the user mobile phone terminal can realize the remote calling function of the user. Therefore, the elevator remote calling and state monitoring system can realize elevator remote calling and state monitoring, save the elevator waiting time of a user to a certain extent, improve the operating utilization rate of the elevator and improve the user experience.
In summary, the intelligent access control circuit provided by the present invention includes a central control sub-circuit 1, a power supply sub-circuit 2, a vertical lift sub-circuit 3, a WIFI communication sub-circuit 4 and a password control sub-circuit 5; the power supply sub-circuit 2, the vertical lifting sub-circuit 3, the WIFI communication sub-circuit 4 and the password control sub-circuit 5 are respectively electrically connected with the central control sub-circuit 1, and the vertical lifting sub-circuit 3, the WIFI communication sub-circuit 4 and the password control sub-circuit 5 are respectively electrically connected with the central control sub-circuit 1; the vertical lifting sub-circuit 3 is used for acquiring the running state of the elevator, and the central control sub-circuit 1 receives the running state of the elevator and sends the running state of the elevator to the mobile terminal through the WIFI communication sub-circuit 4; the mobile terminal receives a remote command input by a user and sends the remote command to the central control sub-circuit 1 through the WIFI communication sub-circuit 4, and the central control sub-circuit 1 controls the vertical lifting sub-circuit 3 to control the running state of an elevator according to the remote command; the password control sub-circuit 5 is used for receiving an elevator control command manually input by a user, and the central control sub-circuit 1 controls the operation of the elevator according to the elevator control command. Therefore, the elevator remote calling and state monitoring system can realize elevator remote calling and state monitoring, and is high in user experience.
The intelligent access control circuit provided by the invention is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be a change in the specific implementation and application scope, and in summary, the content of the present specification is only an implementation of the present invention, and not a limitation to the scope of the present invention, and all equivalent structures or equivalent flow transformations made by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention. And should not be construed as limiting the invention.
Claims (8)
1. An intelligent access control circuit, comprising: the device comprises a central control sub-circuit, a power supply sub-circuit, a vertical lifting sub-circuit, a WIFI communication sub-circuit and a password control sub-circuit; the power supply sub-circuit, the vertical lifting sub-circuit, the WIFI communication sub-circuit and the password control sub-circuit are respectively and electrically connected with the central control sub-circuit, and the vertical lifting sub-circuit, the WIFI communication sub-circuit and the password control sub-circuit are respectively and electrically connected with the central control sub-circuit; the vertical lifting sub-circuit is used for acquiring the running state of an elevator, and the central control sub-circuit receives the running state of the elevator and sends the running state of the elevator to the mobile terminal through the WIFI communication sub-circuit; the mobile terminal receives a remote command input by a user and sends the remote command to the central control sub-circuit through the WIFI communication sub-circuit, and the central control sub-circuit controls the vertical lifting sub-circuit to control the running state of the elevator according to the remote command; the password control sub-circuit is used for receiving an elevator control command manually input by a user, and the central control sub-circuit controls the operation of the elevator according to the elevator control command.
2. The intelligent access control circuit of claim 1, wherein the password control sub-circuit comprises a password keyboard unit and a display unit; the password keyboard unit and the display unit are respectively and electrically connected with the central control sub-circuit.
3. An intelligent access control circuit as claimed in claim 1, wherein the intelligent access control circuit comprises a radio frequency sub-circuit; the wireless radio frequency sub-circuit is electrically connected with the central control sub-circuit; the wireless radio frequency sub-circuit is used for realizing IC card swiping operation control of the elevator.
4. The intelligent access control circuit of claim 2, wherein the central control sub-circuit comprises a liquid crystal display terminal connection unit, a WIFI communication connection unit and a keyboard data connection unit; the liquid crystal display end connecting unit is used for transmitting liquid crystal display data in parallel, the WIFI communication connecting unit is used for achieving WIFI data communication, and the keyboard data connecting unit is used for achieving password input control.
5. The intelligent access control circuit of claim 3, wherein the first, second, third, fourth, fifth, sixth and seventh terminals of the display unit are electrically connected to the data port of the liquid crystal display terminal connection unit, respectively, the eighth terminal of the display unit is electrically connected to the input data selection port of the liquid crystal display terminal connection unit, the ninth terminal of the display unit is electrically connected to the write-in and read-out selection port of the liquid crystal display terminal connection unit, and the tenth terminal of the display unit is electrically connected to the enable port of the liquid crystal display terminal connection unit.
6. The intelligent entrance guard control circuit of claim 3, wherein the TX terminal of the WIFI communication connection unit is electrically connected with the RXD port of the WIFI communication connection unit, and the RX terminal of the WIFI communication connection unit is electrically connected with the TXD port of the WIFI communication connection unit.
7. The intelligent access control circuit of claim 3, wherein the password keyboard unit is a 4x4 password unit; the 4x4 password unit is electrically connected with the keyboard data connection unit.
8. A control method comprising the intelligent entrance guard control circuit of any one of claims 1 to 7, the control method comprising:
obtaining the running state of an elevator;
the running state of the elevator is sent to a mobile terminal for real-time monitoring;
receiving a remote command input by a user;
controlling the running state of the elevator according to the remote command;
or receiving an elevator control command manually input by a user;
and controlling the operation of the elevator according to the elevator control command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110318195.4A CN113184645A (en) | 2021-03-25 | 2021-03-25 | Intelligent access control circuit and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110318195.4A CN113184645A (en) | 2021-03-25 | 2021-03-25 | Intelligent access control circuit and control method |
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| CN113184645A true CN113184645A (en) | 2021-07-30 |
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| CN202110318195.4A Pending CN113184645A (en) | 2021-03-25 | 2021-03-25 | Intelligent access control circuit and control method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1606817A (en) * | 2001-12-26 | 2005-04-13 | 三星电子株式会社 | Liquid crystal display module and liquid crystal display having the same |
| CN104609270A (en) * | 2015-02-05 | 2015-05-13 | 北京索德电气工业有限公司 | Intelligent elevator control system and method |
| KR20150073440A (en) * | 2013-12-23 | 2015-07-01 | 현대엘리베이터주식회사 | Elevator call registration system using by nfc mobile phone and the control method thereof |
| CN205121676U (en) * | 2015-11-02 | 2016-03-30 | 何静秋 | Wireless gate machine and access control system thereof |
| CN209149382U (en) * | 2018-08-16 | 2019-07-23 | 深圳左邻永佳科技有限公司 | Wireless communication, ladder is supported to control, the intelligent entrance guard equipment and system of multiple-channel output |
-
2021
- 2021-03-25 CN CN202110318195.4A patent/CN113184645A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1606817A (en) * | 2001-12-26 | 2005-04-13 | 三星电子株式会社 | Liquid crystal display module and liquid crystal display having the same |
| KR20150073440A (en) * | 2013-12-23 | 2015-07-01 | 현대엘리베이터주식회사 | Elevator call registration system using by nfc mobile phone and the control method thereof |
| CN104609270A (en) * | 2015-02-05 | 2015-05-13 | 北京索德电气工业有限公司 | Intelligent elevator control system and method |
| CN205121676U (en) * | 2015-11-02 | 2016-03-30 | 何静秋 | Wireless gate machine and access control system thereof |
| CN209149382U (en) * | 2018-08-16 | 2019-07-23 | 深圳左邻永佳科技有限公司 | Wireless communication, ladder is supported to control, the intelligent entrance guard equipment and system of multiple-channel output |
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Application publication date: 20210730 |
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