CN113734920A - Automatic calling landing device and method based on wifi and Bluetooth and without installation of app - Google Patents
Automatic calling landing device and method based on wifi and Bluetooth and without installation of app Download PDFInfo
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- CN113734920A CN113734920A CN202110850276.9A CN202110850276A CN113734920A CN 113734920 A CN113734920 A CN 113734920A CN 202110850276 A CN202110850276 A CN 202110850276A CN 113734920 A CN113734920 A CN 113734920A
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- 238000009434 installation Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005484 gravity Effects 0.000 claims abstract description 28
- 230000017525 heat dissipation Effects 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000006698 induction Effects 0.000 description 10
- 230000001174 ascending effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
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- 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
- B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
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- 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
- B66B1/3476—Load weighing or car passenger counting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Elevator Control (AREA)
Abstract
The invention relates to an automatic calling device and a method based on wifi and Bluetooth without installation of app, which relates to the technical field of automatic calling devices and comprises a car, a gravity sensing mechanism arranged outside the car and a dry contact output mechanism arranged on the side wall of the car, wherein the gravity sensing mechanism comprises an outer clamping frame, a gravity bearing plate, an upper-going sensing plate and a lower-going sensing plate, the outer clamping frame is movably connected with the car, the gravity bearing plate is arranged on one side wall of the outer clamping frame far away from the car, the upper-going sensing plate and the lower-going sensing plate are both arranged above the gravity bearing plate, the upper-going sensing plate is positioned on one side close to the dry contact output mechanism, the dry contact output mechanism comprises an outer connecting plate, a foreign language sound broadcaster, an outer display screen, an outer system button, an inner connecting plate, an inner voice broadcaster, an inner display screen and an inner system button, in the invention, the wifi transceiver is used for manufacturing a wireless wifi hotspot, and a user uses the mobile device to connect the wireless wifi hotspot.
Description
Technical Field
The invention relates to the technical field of automatic calling devices, in particular to an automatic calling device and method based on wifi and Bluetooth and without the need of installation of an app.
Background
An elevator is a vertical elevator powered by a motor, which is provided with a box-shaped car for taking people or carrying goods in a multi-storey building, the elevator becomes an important building device in a high-rise building and a public place, nowadays, with the development of computer technology and electronic power technology, a modern elevator becomes a typical electromechanical integration product, in the existing elevator system, the elevator generally comprises an elevator, a car, an in-car control box and the like, the in-car control box is used for in-car instruction and landing and calling, and is a control system directly related to passengers, and in order to improve the use experience of users, more and more elevators use automatic calling devices.
Based on under the automatic call device for can carry out the intelligence through handheld mobile device and call the call, the corresponding app needs to be installed to present most automatic call device, and the user only need be in app input command, alright in order to call the elevator intelligently.
The existing automatic calling device and method based on wifi and Bluetooth and without installation of app have the problems that the app needs to be installed, the operation steps are complex, a gravity sensing mechanism is not complete enough, the universality is too weak and the like, and therefore the automatic calling device and method based on wifi and Bluetooth and without installation of the app is provided.
Disclosure of Invention
The invention mainly aims to provide an automatic calling device and method based on wifi and Bluetooth without installation of an app, and the problems that the app needs to be installed, operation steps are complex, a gravity sensing mechanism is not complete enough, universality is weak and the like in the background technology can be effectively solved.
In order to solve the technical problems, the invention is realized by the following technical scheme: an automatic calling landing device based on wifi and Bluetooth and without installation of app comprises a car, a gravity sensing mechanism arranged outside the car and a dry contact output mechanism arranged on the side wall of the car, wherein the car is of a cuboid structure and is hollow inside, the gravity sensing mechanism comprises an outer clamping frame, a gravity bearing plate, an ascending sensing plate and a descending sensing plate, the outer clamping frame is movably connected with the car, the gravity bearing plate is arranged on one side wall of the outer clamping frame away from the car, the ascending sensing plate and the descending sensing plate are both arranged above the gravity bearing plate, the ascending sensing plate is positioned on one side close to the dry contact output mechanism, the dry contact output mechanism comprises an outer connecting plate, a foreign language voice broadcaster, an outer display screen, an outer system button, an inner connecting plate, an inner voice broadcaster, an inner display screen and an inner system button, the outer connecting plate is arranged on the outer side wall of the car, and be located the one side that is close to the tablet that goes upward, outer voice broadcast ware, outer display screen and outer system button all locate outer yoke plate lateral wall, and top-down partition range, the car inside wall is located to the inner yoke plate, just the inner yoke plate suits with outer yoke plate position, the inner yoke plate lateral wall is all located to interior voice broadcast ware, interior display screen and interior system button, and top-down partition range.
Preferably, the car still includes electronic sliding door, wifi transceiver, electric power control subassembly and system control subassembly, two electronic sliding door all with car swing joint, the electric power control subassembly sets up in the car lateral wall, and is located the one side of keeping away from outer yoke plate, the outside top of car is located to the wifi transceiver, and is located the one side that is close to the electric power control subassembly, the system control subassembly sets up in the outside top of car, and is located central point and puts, and wireless wifi focus can be made to the wifi transceiver.
Preferably, the electric power control subassembly includes fixed plate, system power, switch and bracing piece, the car lateral wall is located to the fixed plate, the fixed plate top is located to the system power, the system power lateral wall is located to the switch, two between fixed plate and the car is all located to the bracing piece, and the system power provides electric support for whole equipment.
Preferably, the system control subassembly includes controller, installing frame and dustproof heat dissipation shell, the outside top of car is located to the installing frame, and is located central point and puts, inside the installing frame was located to the controller, dustproof heat dissipation shell is the cuboid structure, and is inside cavity, dustproof heat dissipation shell below is connected with the outside top of car, and dustproof heat dissipation shell carries out necessary safety protection to the controller.
Preferably, dustproof heat dissipation shell includes mount pad and screw, two dustproof heat dissipation shell lateral wall, two are located along the axis symmetry to the mount pad is connected through two screws respectively with the car, and mount pad and screw are convenient will prevent dust between heat dissipation shell and the car and install fixedly.
Preferably, the gravity loading board is controlled by the gravity sensing module, the wifi transceiver is controlled by the bluetooth module to operate, outer yoke plate and inner yoke plate are controlled by dry contact output module, the controller controls the input and the output of all instructions, and the system power provides electric support for whole equipment.
Preferably, the automatic call calling method based on wifi and bluetooth and without installation of an app is specifically represented by the following steps:
firstly, a controller sends an instruction, a wifi transceiver makes a wireless wifi hotspot, and a user needs to register before using the wireless wifi hotspot;
secondly, a Bluetooth module arranged in the wifi transceiver continuously detects surrounding Bluetooth signals, and compares the signals with registered users, if the registered users are close in distance, the signals are fed back to the controller in time to carry out logic control on the calling elevator;
and the outer connecting plate and the inner connecting plate are two serial cascade plates, so that the buttons with different numbers can be controlled, the output voltage is the voltage of a system power supply, the requirements of different pressing of customers are met, and the users can reach the corresponding floors to be reached by pressing the outer system buttons and the inner system buttons.
The invention has the following beneficial effects:
1. in the invention, the wifi transceiver is used for manufacturing a wireless wifi hotspot, a user uses the mobile device to connect the wireless wifi hotspot, opens a specified webpage and fills the specified webpage into the destination floor of the user, so that automatic calling operation can be completed, manual pressing is not needed, the infection risk is avoided, app is not needed to be installed, the user can take the elevator in simple operation, and the operation is convenient;
2. according to the elevator control system, the gravity bearing plate is arranged on the side wall of the outer clamping frame, the ascending induction plate and the descending induction plate are arranged on the gravity bearing plate, the number of passengers going upwards and downwards can be fed back to the controller, and when the elevator capacity is insufficient, the user can be informed in time through the outer voice broadcast device, so that unnecessary waiting time is avoided;
3. according to the automatic calling device, the installation adaptability is strong, apps do not need to be installed, users only need to use handheld mobile equipment to connect wireless wifi hotspots, most users can use the device conveniently, simply and quickly, the accessed elevator system and the control module thereof have universality, and the universality is improved while the humanization is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of an automatic calling device and method based on wifi and Bluetooth without installation of app according to the present invention;
FIG. 2 is a schematic diagram of an elevational structure of an automatic call calling device and method based on wifi and Bluetooth without installation of an app according to the present invention;
FIG. 3 is a schematic diagram of a top view structure of an automatic call calling device and method without installation of an app based on wifi and Bluetooth;
FIG. 4 is a schematic diagram of a side view of an automatic call calling device and method without installation of an app according to wifi and Bluetooth;
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;
FIG. 6 is an enlarged partial view of FIG. 5 at B according to the present invention;
FIG. 7 is a system module control diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a car; 2. an outer clamping frame; 3. a gravity bearing plate; 4. an upward induction plate; 5. a lower induction plate; 6. an electrically operated sliding door; 7. an outer yoke plate; 8. an external voice broadcaster; 9. an external display screen; 10. an external system button; 11. an inner yoke plate; 12. an internal voice broadcaster; 13. an inner display screen; 14. an internal system button; 15. a wifi transceiver; 16. a controller; 17. installing a frame; 18. a dustproof heat dissipation shell; 19. a mounting seat; 20. a screw; 21. a fixing plate; 22. a system power supply; 23. a switch; 24. a support rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-7, the invention is an automatic calling device based on wifi and bluetooth and without installation of app, comprising a car 1, a gravity sensing mechanism arranged outside the car 1 and a dry contact output mechanism arranged on the side wall of the car 1, wherein the car 1 is of a cuboid structure and is hollow inside, the gravity sensing mechanism comprises an outer clamping frame 2, a gravity bearing plate 3, an upper induction plate 4 and a lower induction plate 5, the outer clamping frame 2 is movably connected with the car 1, the gravity bearing plate 3 is arranged on one side wall of the outer clamping frame 2 far away from the car 1, the upper induction plate 4 and the lower induction plate 5 are both arranged above the gravity bearing plate 3, the upper induction plate 4 is arranged on one side close to the dry contact output mechanism, the dry contact output mechanism comprises an outer connecting plate 7, an outer voice broadcaster 8, an outer display screen 9, an outer system button 10, an inner connecting plate 11, an inner voice broadcaster 12, an inner display screen 13 and an inner system button 14, the outer yoke plate 7 is arranged on the outer side wall of the lift car 1 and located on one side close to the ascending induction plate 4, the foreign language sound broadcaster 8, the outer display screen 9 and the outer system button 10 are arranged on the side wall of the outer yoke plate 7 and are arranged in equal parts from top to bottom, the inner yoke plate 11 is arranged on the inner side wall of the lift car 1, the inner yoke plate 11 is matched with the position of the outer yoke plate 7, the inner voice broadcaster 12, the inner display screen 13 and the inner system button 14 are arranged on the side wall of the inner yoke plate 11 and are arranged in equal parts from top to bottom.
Further, car 1 still includes electronic sliding door 6, wifi transceiver 15, electric power control subassembly and system control subassembly, two electronic sliding doors 6 all with car 1 swing joint, the electric power control subassembly sets up in 1 lateral wall of car, and is located the one side of keeping away from outer yoke plate 7, wifi transceiver 15 locates 1 outside top of car, and is located the one side that is close to the electric power control subassembly, the system control subassembly sets up in 1 outside top of car, and is located central point, wireless wifi hotspot can be made to wifi transceiver 15.
Further, the power control assembly comprises a fixing plate 21, a system power supply 22, a switch 23 and support rods 24, wherein the fixing plate 21 is arranged on the outer side wall of the car 1, the system power supply 22 is arranged above the fixing plate 21, the switch 23 is arranged on the side wall of the system power supply 22, the two support rods 24 are arranged between the fixing plate 21 and the car 1, and the system power supply 22 provides power support for the whole device.
Further, the system control assembly comprises a controller 16, a mounting frame 17 and a dustproof heat dissipation shell 18, the mounting frame 17 is arranged above the outer portion of the car 1 and located in the center, the controller 16 is arranged inside the mounting frame 17, the dustproof heat dissipation shell 18 is of a cuboid structure and is hollow inside, the lower portion of the dustproof heat dissipation shell 18 is connected with the upper portion of the outer portion of the car 1, and the dustproof heat dissipation shell 18 conducts necessary safety protection on the controller 16.
Further, dustproof heat dissipation shell 18 includes mount pad 19 and screw 20, and dustproof heat dissipation shell 18 lateral wall is located along axis symmetry to two mount pads 19, and two mount pads 19 are connected through two screws 20 respectively with car 1, and mount pad 19 and screw 20 are convenient with dustproof heat dissipation shell 18 and car 1 between the installation fixed.
Further, the gravity bearing plate 3 is controlled by the gravity sensing module, the wifi transceiver 15 is controlled by the bluetooth module to operate, the outer connecting plate 7 and the inner connecting plate 11 are controlled by the dry contact output module, the controller 16 controls the input and output of all instructions, and the system power supply 22 provides electric power support for the whole equipment.
Further, the automatic call calling method based on wifi and Bluetooth and without installation of app is specifically represented by the following steps:
firstly, the controller 16 sends an instruction, the wifi transceiver 15 makes a wireless wifi hotspot, and a user needs to register before using the wireless wifi hotspot, and the main steps are to use a mobile device to connect the wireless wifi hotspot, open a specified webpage, fill the specified webpage into the target floor of the user, and finish the registration after storing the webpage;
secondly, a Bluetooth module arranged in the wifi transceiver 15 continuously detects surrounding Bluetooth signals, and compares the signals with registered users, if the registered users are close in distance, the signals are fed back to the controller 16 in time to carry out logic control on the calling elevator;
and the outer connecting plate 7 and the inner connecting plate 11 are two serial cascade plates, so that the control of buttons with different numbers can be carried out, the output voltage is the voltage of the system power supply 22, the different pressing requirements of customers are met, and the users can reach the corresponding floors to be reached by pressing the outer system button 10 and the inner system button 14.
The working principle of the invention is as follows: the controller 16 sends an instruction, the wifi transceiver 15 makes a wireless wifi hotspot, and a user needs to register before using the wireless wifi hotspot, the main steps are that a mobile device is used for connecting the wireless wifi hotspot, a specified webpage is opened, the specified webpage is filled into a destination floor of the user, and after storage, the registration is completed, and in the calling process, a Bluetooth module built in the wifi transceiver 15 continuously detects surrounding Bluetooth signals and compares the signals with a registered user, if the registered user is close to the registered user, the signals are timely fed back to the controller 16 to call the elevator; the outer yoke plate 7 and the inner yoke plate 11 are two serial cascade plates, control of buttons with different numbers can be carried out, specifically necessary information display and broadcast are carried out on the foreign language sound broadcaster 8, the outer display screen 9, the inner sound broadcaster 12 and the inner display screen 13, the output voltage of the whole device is the voltage of the system power supply 22, different pressing requirements of customers are met, and after the automatic calling step is finished and the automatic calling step is used for entering the car 1, a user can reach a corresponding floor to be reached by pressing the outer system button 10 and the inner system button 14.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a need not automatic calling landing device of installation app based on wifi and bluetooth which characterized in that: including car (1), set up in the outside gravity-feed tank of car (1) response mechanism and set up in the dry contact output mechanism of car (1) lateral wall, car (1) is the cuboid structure, and is inside cavity, gravity-feed tank includes outer calorie frame (2), gravity loading board (3), goes upward tablet (4) and lower tablet (5), outer calorie frame (2) and car (1) swing joint, a lateral wall that outer calorie frame (2) kept away from car (1) is located in gravity loading board (3), go upward tablet (4) and lower tablet (5) and all locate gravity loading board (3) top, just go upward tablet (4) are located the one side that is close to dry contact output mechanism, dry contact output mechanism includes outer yoke plate (7), sound broadcast newspaper ware (8), outer display screen (9), outer system button (10), Interior yoke plate (11), interior voice broadcast ware (12), interior display screen (13) and interior system button (14), car (1) lateral wall is located in outer yoke plate (7), and is located the one side that is close to up tablet (4), outer voice broadcast ware (8), outer display screen (9) and outer system button (10) all locate outer yoke plate (7) lateral wall, and top-down partition range, car (1) inside wall is located in interior yoke plate (11), just interior yoke plate (11) suit with outer yoke plate (7) position, interior yoke plate (11) lateral wall is all located in interior voice broadcast ware (12), interior display screen (13) and interior system button (14), and top-down partition range.
2. The automatic call device based on wifi and Bluetooth without installation of app as claimed in claim 1, wherein: car (1) still includes electronic sliding door (6), wifi transceiver (15), electric control subassembly and system control subassembly, two electric sliding door (6) all with car (1) swing joint, the electric control subassembly sets up in car (1) lateral wall, and is located the one side of keeping away from outer yoke plate (7), car (1) outside top is located in wifi transceiver (15), and is located the one side that is close to the electric control subassembly, the system control subassembly sets up in car (1) outside top, and is located central point and puts.
3. The automatic call device based on wifi and Bluetooth without installation of app as claimed in claim 2, wherein: electric control assembly includes fixed plate (21), system power supply (22), switch (23) and bracing piece (24), car (1) lateral wall is located in fixed plate (21), fixed plate (21) top is located in system power supply (22), system power supply (22) lateral wall is located in switch (23), two bracing piece (24) are all located between fixed plate (21) and car (1).
4. The automatic call device without installation of app based on wifi and bluetooth as claimed in claim 3, characterized in that: the system control assembly comprises a controller (16), an installation frame (17) and a dustproof heat dissipation shell (18), the installation frame (17) is arranged above the outer portion of the car (1) and located in the center, the controller (16) is arranged inside the installation frame (17), the dustproof heat dissipation shell (18) is of a cuboid structure and is hollow inside, and the dustproof heat dissipation shell (18) is connected with the outer portion of the car (1) below.
5. The automatic call device without installation of app based on wifi and bluetooth as claimed in claim 4, wherein: dustproof heat dissipation shell (18) are including mount pad (19) and screw (20), two dustproof heat dissipation shell (18) lateral wall, two are located along the axis symmetry in mount pad (19) are connected through two screw (20) respectively with car (1).
6. The automatic call device without installation of app based on wifi and bluetooth as claimed in claim 5, wherein: gravity loading board (3) are controlled by gravity-feed tank and respond to the module, wifi transceiver (15) are by bluetooth module control operation, outer yoke plate (7) are controlled by dry junction output module with interior yoke plate (11), the input and the output of all instructions are controlled to controller (16), and system power supply (22) provides electric power for whole equipment and supports.
7. The automatic call calling method based on wifi and Bluetooth without installation of app as claimed in claim 6, wherein: the automatic call calling method based on wifi and Bluetooth and without installation of the app is specifically represented by the following steps:
firstly, a controller (16) sends an instruction, a wifi transceiver (15) makes a wireless wifi hotspot, and a user needs to register before using the wireless wifi hotspot;
secondly, a Bluetooth module arranged in the wifi transceiver (15) continuously detects surrounding Bluetooth signals, and compares the signals with registered users, if the registered users are close to each other, the signals are fed back to the controller (16) in time to carry out logic control on calling of the elevator;
and the outer connecting plate (7) and the inner connecting plate (11) are two serial cascade plates, can control buttons with different numbers, output voltage is the voltage of a system power supply (22), different pressing requirements of customers are met, and a user can reach a corresponding floor to be reached by pressing the outer system button (10) and the inner system button (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850276.9A CN113734920A (en) | 2021-07-27 | 2021-07-27 | Automatic calling landing device and method based on wifi and Bluetooth and without installation of app |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850276.9A CN113734920A (en) | 2021-07-27 | 2021-07-27 | Automatic calling landing device and method based on wifi and Bluetooth and without installation of app |
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| CN113734920A true CN113734920A (en) | 2021-12-03 |
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| CN202110850276.9A Pending CN113734920A (en) | 2021-07-27 | 2021-07-27 | Automatic calling landing device and method based on wifi and Bluetooth and without installation of app |
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| CN110002301A (en) * | 2019-04-23 | 2019-07-12 | 田锐 | A kind of contactless smart elevator call system |
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Application publication date: 20211203 |
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