CN220412524U

CN220412524U - Floor positioning system of elevator

Info

Publication number: CN220412524U
Application number: CN202320082648.2U
Authority: CN
Inventors: 何铭铭; 周俊杰
Original assignee: Suzhou Youzhida Robot Co ltd
Current assignee: Suzhou Youzhida Robot Co ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2024-01-30
Anticipated expiration: 2033-01-28

Abstract

The application relates to a floor positioning system of elevator belongs to elevator technical field, and the floor positioning system of this application includes: including UWB ranging device, UWB ranging device includes: a plurality of first UWB modules mounted at different heights within the elevator hoistway at set distances; the second UWB module is arranged at a set position of the elevator car and is in communication connection with the plurality of first UWB modules. This application elevator is at the operation in-process, and elevator car is at any floor height, and all can guarantee that second UWB module and first UWB module establish communication connection, do not receive floor height's restriction, realize floor location. The problem of among the prior art, the location elevator floor adopts UWB range finding's mode, because of being limited by communication distance, leads to the location failure is solved.

Description

Floor positioning system of elevator

Technical Field

The application relates to the technical field of elevators, in particular to a floor positioning system of an elevator, which is applied to the conditions that floors are higher and the UWB communication distance can be exceeded.

Background

At present, in the process of taking an elevator by a robot, when the elevator stops at a certain floor, the robot needs to judge whether the current stop floor of an elevator car is a target floor, and when the current stop floor is determined to be the target floor, the robot executes the elevator-out action.

In the prior art, a UWB ranging module is arranged at the top end of a lift car, a module with UWB and network communication functions is arranged at the top end of a lift shaft, the distance between the top end of the lift car and the top end of the lift shaft is obtained through UWB ranging, and then the floor of the lift is obtained through calibration or calculation.

However, when the floor is higher, the UWB communication distance is limited, and the UWB ranging module at the top of the car and the UWB ranging module at the top of the shaft may not communicate, so that the accurate position of the elevator car cannot be known.

Accordingly, there is a need for an improvement over the prior art to overcome the deficiencies described in the prior art.

Disclosure of Invention

The utility model aims at providing a floor positioning system of elevator to solve among the prior art under the higher circumstances of floor, when adopting UWB location, receive UWB communication distance's restriction, lead to unable accurate problem of knowing elevator car current floor.

The purpose of the application is realized through the following technical scheme:

the application provides a floor positioning system of elevator, including UWB rangefinder, UWB rangefinder includes:

a plurality of first UWB modules mounted at different heights within the elevator hoistway at set distances;

the second UWB module is arranged at a set position of the elevator car and is in communication connection with the plurality of first UWB modules.

Optionally, according to the floor positioning system of an embodiment of the present application, the second UWB module is mounted on top of the elevator car.

Optionally, according to the floor positioning system of the embodiment of the application, the first UWB module is installed on a top plate of the shaft.

Optionally, according to the floor positioning system of the embodiment of the present application, the first UWB module and the second UWB module each include a signal transceiver unit and a signal processing unit, and the signal transceiver unit is electrically connected with the signal processing unit.

Optionally, the floor positioning system according to an embodiment of the present application further includes a ladder control module, where a data receiving port of the ladder control module is connected to the signal processing unit

Compared with the prior art, the application has the following beneficial effects: according to the floor positioning system, the plurality of first UWB modules are arranged in the elevator shaft, the plurality of first UWB modules are installed at intervals, and each first UWB module corresponds to different heights. Thus, the second UWB module can ensure that communication connection can be established with one or more first UWB modules within the communication distance range, is not limited by the building floor height, ensures continuous communication between the second UWB module and the first UWB module, realizes UWB ranging, and locates elevator floors.

Drawings

Fig. 1 is a schematic view of an installation structure of a floor positioning system of an elevator according to an embodiment of the present application;

fig. 2 is a block diagram of a USB ranging device according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

The floor positioning system of the elevator according to the embodiment of the application will be described in detail by means of specific examples.

Because UWB location has advantages such as positioning accuracy is high, transmission capacity is strong, among the prior art, generally at elevator car top and the top of elevator shaft respectively install a UWB module, the floor height that the elevator car arrived in the mode location elevator operation through range finding, however, receives communication distance's restriction, to the higher condition of floor, is difficult to accurate location elevator place floor height.

Aiming at the technical problems, the embodiment of the application provides a floor positioning system of an elevator. Fig. 1 is a schematic structural diagram of a floor positioning system of an elevator according to an embodiment of the present application, where the floor positioning system of the present embodiment includes a UWB ranging device, as shown in fig. 1, and includes:

a plurality of first UWB modules mounted at different heights within the elevator hoistway at set distances.

According to the elevator shaft, the plurality of first UWB modules are arranged in the elevator shaft at intervals, the first UEB modules are in wireless communication with the second UWB modules, the set distances can ensure that the second UWB modules can be in communication connection with one or more corresponding first UWB modules when being arranged on different floors, so that the current floor position of an elevator car is measured, the elevator car stopping floor is positioned through UWB, the elevator car stopping floor can be accurately known without being limited by the height of the floor.

In the operation process of the elevator, the first UWB module and the second UWB module are started, and the second UWB module can only establish communication connection with the first UWB module in the communication distance range because the UWB communication is limited by the communication distance.

It will be appreciated that the second UWB module is mounted on top of the elevator car tube. Therefore, communication between the two UWB modules can be guaranteed to be free of shielding, and positioning work is facilitated.

As a further optimization, a first UWB module is installed at the location of the shaft roof. Therefore, when the elevator car reaches a preset floor, barrier-free communication between the first UWB module and the second UWB module can be ensured, and the positioning success rate is improved.

It will be appreciated that in one embodiment, the first UWB module is configured as a UWB base station and the second UWB module is configured as a UWB tag, and during floor detection, the second UWB module transmits UWB positioning signals to the first UWB module with which the communication connection is established, and the first UWB module obtains distance information between the first UWB module and the second UWB module based on the received UWB positioning signals.

The first UWB module can determine the current floor position of the elevator car according to the calculated distance information, and sends the current floor position information to the elevator control module.

For example, at a certain floor position, if the second UWB module establishes communication connection with the plurality of first UWB modules, the elevator control module will receive the floor position information of the plurality of first UWB modules, and at this time, if the floor position information sent by the plurality of first UWB modules is consistent, the floor position of the elevator car may be determined.

If the floor position information sent by the plurality of first UWB modules is inconsistent, the condition that abnormality occurs is indicated, and operation and maintenance personnel are required to be reminded to process the floor position information.

The UWB ranging method may adopt ranging modes such as time of flight (TimeOfFlight, TOF), and the UWB ranging principle of this embodiment belongs to a relatively well-known technology in the art, and is not described herein.

It will be appreciated that in another embodiment, the first UWB module may be configured as a UWB tag and the second UWB module as a base station.

At this time, if the second UWB module establishes communication connection with the plurality of first UWB modules, the second UWB module determines a plurality of floor positions according to the measured plurality of distance information and transmits the determined plurality of floor positions to the elevator control module, and if the plurality of floor positions are consistent in data, the currently calculated floor position can be determined to be the floor where the elevator car currently arrives. If the operation states are inconsistent, the abnormality exists, and the operation and maintenance are required to be reminded and processed in time.

Fig. 2 is a block diagram of a UWB ranging device according to an embodiment of the present application, where, as shown in fig. 2, a first UWB module and a second UWB module in this embodiment include a signal transceiver unit and a data processing unit, and the signal transceiver unit of the first UWB module establishes a communication connection with the signal transceiver unit of the second UWB module through a wireless communication port, so as to implement signal transceiving.

The signal receiving and transmitting unit is electrically connected with the data processing unit, the data processing unit is connected with the ladder control module, and the data processing unit is used for sending the floor position information obtained through processing to the ladder control module.

When the robot enters the elevator car and establishes communication connection with the elevator control module, the target floor is sent to the elevator control module, the first UWB module and the second UWB module start floor detection work, and the elevator control module sends the received floor information to the robot in the elevator car. The robot obtains floor information of stopping of the elevator car from the elevator control module and decides whether to get out of the elevator.

To sum up, the floor positioning system of this application sets up a plurality of first UWB modules through in the elevator shaft, and a plurality of first UWB module interval sets for the distance installation, and every first UWB module corresponds different heights. The elevator car is provided with a second UWB module, the second UWB module is communicated with a plurality of first UWB modules, and the distance between the second UWB module and each first UWB module is obtained through distance measurement, so that the current floor of the elevator can be obtained. Because a plurality of first UWB modules are arranged in the elevator shaft, and the distance is set at intervals for installation, when the elevator car is on different floors, the elevator car is not limited by the height of the floors, the continuous communication between the second UWB module and the first UWB module is ensured, and UWB ranging is realized.

In this embodiment, UWB ranging and determining a floor position, interaction between a robot and a ladder control module, etc. all belong to technologies relatively known in the art, and are not described in detail.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.

Claims

1. A floor positioning system for an elevator comprising a UWB ranging device, the UWB ranging device comprising:

2. The floor positioning system of claim 1, wherein the second UWB module is mounted on top of the elevator car.

3. The floor positioning system of claim 1, wherein the first UWB module is mounted on a hoistway ceiling.

4. The floor positioning system of claim 1, wherein the first UWB module and the second UWB module each comprise a signal transceiver unit and a signal processing unit, the signal transceiver unit being electrically connected to the signal processing unit.

5. The floor positioning system of claim 4, further comprising a ladder control module, a data receiving port of the ladder control module being connected to the signal processing unit.

6. The floor positioning system of claim 4, wherein the first UWB module is configured as a UWB base station.

7. The floor positioning system of claim 6, wherein the second UWB module is configured as a UWB tag.