Elevator communication system
阅读说明:本技术 电梯通信系统 (Elevator communication system ) 是由 D.O.帕尔克 于 2019-08-09 设计创作,主要内容包括:一种电梯系统包括:井道;配置成在井道中行进的电梯轿厢;配置成通过通信网络与远程系统通信的本地网关装置;安装在所述电梯轿厢的通信设备,所述通信设备包括配置成在传输到所述本地网关装置之前对来自电梯轿厢的音频信号进行编码的编解码器。(An elevator system includes: a hoistway; an elevator car configured to travel in a hoistway; a local gateway device configured to communicate with a remote system over a communication network; a communication device mounted to the elevator car, the communication device including a codec configured to encode audio signals from the elevator car prior to transmission to the local gateway device.)
1. An elevator system comprising:
a hoistway;
an elevator car configured to travel in the hoistway;
a local gateway device configured to communicate with a remote system over a communication network;
a communication device installed at the elevator car, the communication device including a codec configured to encode audio data from the elevator car prior to transmission to the local gateway device.
2. The elevator system of claim 1, wherein the codec is configured to decode audio data received from the local gateway device.
3. The elevator system of claim 1, wherein the communication device comprises a speaker and a microphone.
4. The elevator system of claim 3, wherein the communication device comprises a plurality of microphones.
5. The elevator system of claim 4, wherein the communication device performs echo cancellation on audio received from the plurality of microphones.
6. The elevator system of claim 1, wherein the communication device comprises a communication module configured to send and receive encoded audio data to and from the local gateway apparatus.
7. The elevator system of claim 6, wherein the communication module transmits or receives the encoded audio data at a rate of about 0.5 kbps to about 10 kbps.
8. A communication device for an elevator system, the communication device comprising:
a microphone;
a speaker;
a processor coupled to the microphone and speaker;
a codec configured to (i) encode audio data received from the microphone for transmission to a local gateway device, and (ii) decode encoded audio data received from the local gateway device for transmission to the speaker;
a communication module configured to transmit encoded audio data to and receive encoded audio data from the local gateway device.
9. The communication device of claim 8, wherein the communication module transmits and receives encoded audio data at a rate of about 0.5 kbps to about 10 kbps.
10. The communication device of claim 8, wherein the microphone comprises a plurality of microphones.
11. The elevator system of claim 10, wherein the processor performs echo cancellation on audio received from the plurality of microphones.
12. The communication device of claim 8, further comprising a battery to power the communication device.
13. A communication system, comprising:
a hoistway;
an elevator car configured to travel in the hoistway;
a local gateway device configured to communicate with a remote system over a communication network;
a communication device installed at the elevator car, the communication device including a codec configured to encode audio data from the elevator car prior to transmission to the local gateway device;
a remote system;
a communication network configured to communicate encoded audio data from the local gateway device to the remote system and configured to communicate encoded audio data from the remote system to the local gateway device.
14. The communication system of claim 13, wherein the remote system is an emergency call center.
15. A method of communicating between an elevator car and a remote system, the method comprising:
receiving audio from a passenger at a communication device in the elevator car;
encoding the audio using a codec to produce encoded audio data;
transmitting the encoded audio data to a local gateway device;
transmitting the encoded audio data from the local gateway device to the remote system over a communications network;
decoding the encoded audio data at the remote system using a codec; and
generating the audio at the remote system.
Technical Field
Embodiments herein relate generally to the field of elevator systems, and more particularly to communication systems for use in elevator systems.
Background
The elevator system may include a communication system so that passengers in the elevator car can communicate with others outside the elevator car. Elevator emergency call systems are mandatory in certain areas by means of a by code. Conventional elevator systems use a wired solution, in which the telephone line travels with the elevator car. Such systems have high installation costs. Wireless communication systems exist but use high bandwidth and high cost solutions such as VOIP.
Disclosure of Invention
According to an embodiment, an elevator system includes: a hoistway; an elevator car configured to travel in the hoistway; a local gateway device configured to communicate with a remote system over a communication network; a communication device installed at the elevator car, the communication device including a codec configured to encode audio data from the elevator car prior to transmission to the local gateway device. In addition to, or as an alternative to, one or more of the features described herein, further embodiments may include: wherein the codec is configured to decode audio data received from the local gateway device.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments may include: wherein the communication device comprises a speaker and a microphone.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments may include: wherein the communication device comprises a plurality of microphones.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments may include: wherein the communication device performs echo cancellation on audio received from the plurality of microphones.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments may include: wherein the communication device comprises a communication module configured to transmit and receive encoded audio data to and from the local gateway apparatus.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments may include: wherein the communication module transmits or receives the encoded audio data at a rate of about 0.5 kbps to about 10 kbps.
According to another embodiment, a communication device for an elevator system includes: a microphone; a speaker; a processor coupled to the microphone and speaker; a codec configured to (i) encode audio data received from the microphone for transmission to a local gateway device, and (ii) decode encoded audio data received from the local gateway device for transmission to the speaker; a communication module configured to transmit encoded audio data to and receive encoded audio data from the local gateway device.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments of the communication device may comprise: wherein the communication module transmits and receives encoded audio data at a rate of about 0.5 kbps to about 10 kbps.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments of the communication device may comprise: wherein the microphone comprises a plurality of microphones.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments of the communication device may comprise: wherein the processor performs echo cancellation on audio received from the plurality of microphones.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments of the communication device may comprise: a battery to power the communication device.
According to another embodiment, a communication system includes: a hoistway; an elevator car configured to travel in the hoistway; a local gateway device configured to communicate with a remote system over a communication network; a communication device installed at the elevator car, the communication device including a codec configured to encode audio data from the elevator car prior to transmission to the local gateway device; a remote system; a communication network configured to communicate encoded audio data from the local gateway device to the remote system and configured to communicate encoded audio data from the remote system to the local gateway device.
In addition to, or as an alternative to, one or more of the features described herein, further embodiments of the communication system may comprise: wherein the remote system is an emergency call center.
According to another embodiment, a method of communicating between an elevator car and a remote system includes: receiving audio from a passenger at a communication device in the elevator car; encoding the audio using a codec to produce encoded audio data; transmitting the encoded audio data to a local gateway device; transmitting the encoded audio data from the local gateway device to the remote system over a communications network; decoding the encoded audio data at the remote system using a codec; and generating the audio at the remote system.
Technical effects of embodiments of the present disclosure include the ability to send and receive voice communications from an elevator car using low data rates.
The foregoing features and elements may be combined in various combinations without exclusion, unless expressly stated otherwise. These features and elements, as well as their operation, will become more apparent from the following description and the accompanying drawings. It is to be understood, however, that the following description and the accompanying drawings are intended to be illustrative and explanatory in nature, and not restrictive.
Drawings
The present disclosure is illustrated by way of example and is not limited by the accompanying figures, in which like references indicate similar elements.
Fig. 1 depicts an elevator system that can employ various embodiments of the present disclosure;
fig. 2 depicts a communication system for the elevator system of fig. 1 according to an example embodiment of the present disclosure;
fig. 3 depicts a communication device according to an example embodiment of the present disclosure;
fig. 4 depicts a process of transmitting audio according to an example embodiment of the present disclosure.
Detailed Description
Fig. 1 is a perspective view of an
The
A
The
Although a roping system including
Fig. 2 is a diagram of a communication system 200 according to an example embodiment of the present disclosure, the communication system 200 including a
The
Fig. 3 shows a block diagram of a
The
The
The
In operation, when a passenger needs to make a call from the
From the local gateway device 240, the encoded audio data is transmitted to the remote system 280 over the communication network 250. Once at the remote system 280, the codec 282 is used to decode the encoded audio data and produce audio from the passenger at the remote system 280 that can be heard. The operator at the remote system 280 can then use the same process to generate audio data in the opposite direction and send it back to the passengers in the
The range of the local gateway device 240 in the
In other embodiments, additional data from the
Fig. 4 depicts the process of transmitting audio from the
The term "about" is intended to encompass the degree of error associated with a measurement based on the particular quantity of equipment available at the time of filing the application and/or manufacturing tolerances.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, element components, and/or groups thereof.
As described above, embodiments may take the form of processor-implemented processes and apparatuses for practicing those processes, such as
Those skilled in the art will appreciate that various example embodiments are shown and described herein, each having certain features in certain embodiments, but the disclosure is not so limited. Rather, the disclosure can be modified to incorporate any number of variations, alterations, substitutions, combinations, sub-combinations or equivalent arrangements not heretofore described, but which are commensurate with the scope of the disclosure. Additionally, while various embodiments of the disclosure have been described, it is to be understood that aspects of the disclosure may include only some of the described embodiments. Accordingly, the disclosure is not to be seen as limited by the foregoing description, but is only limited by the scope of the appended claims.
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