CN215364351U - Detection system for remotely monitoring elevator presence and monitoring system for people trapping - Google Patents
Detection system for remotely monitoring elevator presence and monitoring system for people trapping Download PDFInfo
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- CN215364351U CN215364351U CN202023345298.XU CN202023345298U CN215364351U CN 215364351 U CN215364351 U CN 215364351U CN 202023345298 U CN202023345298 U CN 202023345298U CN 215364351 U CN215364351 U CN 215364351U
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Abstract
The utility model discloses a detection system for remotely monitoring the existence of an elevator, which comprises a signal acquisition mechanism, an elevator Internet of things terminal and an elevator Internet of things platform, wherein the signal acquisition mechanism comprises a plurality of voice and infrared sensors and weighing sensors, and the voice and infrared sensors are arranged at four corners of a suspended ceiling of an elevator car to detect voice signals and infrared signals in the car; the weighing sensors are multiple and are arranged at four corners of the car bottom to detect a load signal in the elevator; the elevator internet of things terminal acquires voice signals, infrared signals and load signals and conveys the voice signals, the infrared signals and the load signals to the elevator internet of things platform, and the elevator internet of things platform judges whether the elevator is occupied by people according to the three signals to generate people determination signals. The utility model judges whether a person exists through the voice and infrared sensors at the four corners of the suspended ceiling and the weighing sensors at the four corners of the car bottom, has various detection modes and high detection accuracy. The utility model also discloses a corresponding monitoring system for remotely monitoring the elevator trapping.
Description
Technical Field
The utility model relates to the field of elevator control, in particular to remote detection and monitoring of elevator trapping.
Background
At present, elevators in China develop rapidly, and the annual output, the elevator growth and the elevator use number of the elevators grow at a great speed every year.
With the continuous development of economy and society in China and the continuous promotion of urbanization process, more and more public gathering places and residential districts are provided with elevators to facilitate the life and work of citizens. Under the condition that the elevator normally runs, people in a building can be safely, comfortably and efficiently transported, but the attention and attention of the industry are more and more attracted to how to safely and quickly rescue people when power failure or elevator failure occurs.
However, the existing elevator trapping system can only judge whether a person is in the elevator by the original weighing system of the elevator, and when the weighing system has an error, misjudgment is easily caused, and the safety of the system is affected.
Therefore, an elevator trapping system capable of solving the above problems is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a detection system for remotely monitoring the existence of an elevator and a monitoring system for monitoring the trapping of people, wherein whether people exist is judged through a plurality of voice and infrared sensors and a plurality of weighing sensors, the voice and infrared sensors are respectively arranged at four corners of a suspended ceiling of an elevator car, the weighing sensors are arranged at four corners of a car bottom, and the detection modes are various and have high accuracy.
In order to achieve the purpose, the utility model discloses a detection system for remotely monitoring people trapped by an elevator, which comprises a signal acquisition mechanism, an elevator Internet of things terminal and an elevator Internet of things platform, wherein the signal acquisition mechanism comprises a plurality of voice and infrared sensors and weighing sensors, the voice and infrared sensors are respectively arranged at four corners of a suspended ceiling of an elevator car and are used for detecting voice signals and infrared signals in the car; the weighing sensors are arranged at four corners of the bottom of the lift car and used for detecting a load signal in the elevator; the elevator thing networking terminal acquires voice signal, infrared signal and load signal, and will voice signal, infrared signal and load signal carry to elevator thing networking platform in, elevator thing networking platform basis voice signal, infrared signal and load signal judge whether the elevator is in order to generate someone and confirm the signal.
Compared with the prior art, the utility model judges whether a person exists through the voice and infrared sensors and the weighing sensor, and has various detection modes. In addition, in the detection system, a plurality of voice sensors and infrared sensors are respectively arranged at four corners of a suspended ceiling of the elevator car, a plurality of weighing sensors are arranged at four corners of the car bottom, the detection accuracy is high, false detection and missing detection caused by damage of one sensor or transmission line faults can be eliminated, and the safety is high.
Preferably, pronunciation and infrared sensor have four and install respectively in four angles of car furred ceiling, weighing sensor has four and installs respectively in four angles at the bottom of the car sedan-chair, and the testing result is accurate.
Preferably, the voice and infrared sensor is an integrated voice and infrared sensor.
Preferably, the terminal of the internet of things of the elevator uploads the information to the platform of the internet of things of the elevator through a wireless network.
Preferably, a voice threshold, an infrared threshold and a load threshold which respectively correspond to the voice signal, the infrared signal and the load signal and represent the presence of a person are stored in the elevator internet of things platform, and the elevator internet of things platform comprises a plurality of comparators which respectively compare the voice signal with the voice threshold, the infrared signal with the infrared threshold, and the load signal with the load threshold to judge whether the elevator is a person.
Preferably, the remote elevator monitoring system is a government intelligent elevator monitoring system.
The utility model also discloses a monitoring system for remotely monitoring the trapping of the elevator, which comprises the elevator main control board, the detection system and the remote elevator monitoring system, wherein the detection system is as described above, the fault information is sent to the elevator Internet of things platform through the elevator Internet of things terminal when the elevator main control board is in fault, the elevator Internet of things platform generates a trapping signal according to the trapping determination signal and the fault information, and the trapping signal is transmitted to the remote elevator monitoring system through the Internet.
Preferably, the monitoring system for remotely monitoring the elevator trapping further comprises a car door lock switch, the car door lock switch detects whether the elevator door is opened and outputs a door opening in-place signal when the elevator door is opened, the elevator main control board transmits the door opening in-place signal to the elevator internet of things platform, the elevator internet of things platform starts timing after receiving a fault signal, generates a trapping signal according to the someone determination signal and the fault information when the door opening in-place signal is not received at the preset time, and cancels the trapping signal when the door opening in-place signal is received.
Drawings
Fig. 1 is a block diagram of a monitoring system for remotely monitoring elevator entrapment in accordance with the present invention.
FIG. 2 is a block diagram of a portion of the detection system of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the present invention discloses a monitoring system for remotely monitoring people trapped in an elevator, which comprises a detection system, an elevator main control board 20 and a remote elevator monitoring system.
Referring to fig. 1 and 2, the detection system comprises a signal acquisition mechanism, an elevator internet of things terminal 30 and an elevator internet of things platform 40, wherein the signal acquisition mechanism comprises a plurality of voice and infrared sensors 11 and weighing sensors 12, the voice and infrared sensors 11 are respectively arranged at four corners of a ceiling of an elevator car 22, and are used for detecting voice signals and infrared signals in the car 22; the weighing sensors 12 are arranged at four corners of the bottom of the car 22 and used for detecting a load signal in the elevator. The elevator internet of things terminal 30 acquires the voice signal, the infrared signal and the load signal, and transmits the voice signal, the infrared signal and the load signal to the elevator internet of things platform 40 at the cloud end. The elevator internet of things terminal 30 is connected with the elevator main control board 20 and the elevator internet of things platform 40. The elevator internet of things platform 40 judges whether the elevator is occupied or not according to the voice signal, the infrared signal and the load signal so as to generate an occupied determination signal.
Referring to fig. 1, when the elevator main control panel 20 fails, the fault information is sent to the elevator internet of things platform 40 through the elevator internet of things terminal 30, and the elevator internet of things platform 40 generates a man-trapping signal according to the man determination signal and the fault information, and transmits the man-trapping signal to a remote elevator monitoring system through the internet. Wherein the remote elevator monitoring system is a government intelligent elevator monitoring system 50. An authorized operator can log in the elevator internet of things platform 40 by using a mobile terminal or other monitoring terminals to monitor the running condition of the elevator.
Wherein, the elevator internet of things platform 40 comprises a logic arithmetic unit to generate a people trapping signal according to the people determination signal and the fault information.
Referring to fig. 2, the voice and infrared sensors 11 are four and are respectively installed at four corners of the suspended ceiling of the car 22, the weighing sensors 12 are four and are respectively installed at four corners of the car bottom of the car 22, and the detection result is accurate.
Referring to fig. 1, in this embodiment, an elevator internet of things terminal 30 is connected to a voice and infrared sensor 11 to obtain a voice signal and an infrared signal. The elevator main control board 20 is connected with the weighing sensor 12 to obtain a load signal, and transmits the load signal to the elevator internet of things terminal 30. Of course, the terminal 30 of the internet of things of the elevator may also be connected to the weighing sensor 12 to obtain the load signal, and at this time, the elevator main control panel 20 may directly obtain the load signal from the weighing sensor 12, or may obtain the load signal from the terminal 30 of the internet of things of the elevator.
Wherein, in this embodiment, elevator thing networking terminal 30 installs on the car 22 of elevator, prevents to make data transmission disconnection because the elevator operation is unexpected, and elevator thing networking terminal 30 accessible wireless network uploads the elevator thing networking platform 40 of information to high in the clouds, prevents the disconnection of signal. The internet of things platform 40 of the elevator also sends an alarm to the corresponding remote elevator monitoring system after losing the communication of the internet of things terminal 30 of the elevator.
Of course, the terminal 30 of the internet of things of the elevator can also be installed in an elevator control cabinet or a hoistway.
The voice and infrared sensor 11 is an integrated voice and infrared sensor.
The elevator internet of things terminal 30 uploads the information to the elevator internet of things platform 40 through a wireless network.
In this embodiment, the voice threshold, the infrared threshold and the load threshold, which are respectively corresponding to the voice signal, the infrared signal and the load signal and represent that a person is present, are stored in the elevator internet of things platform 40, and the elevator internet of things platform 40 respectively compares the voice signal with the voice threshold, the infrared signal with the infrared threshold, and the load signal with the load threshold to determine whether the elevator is present. The elevator internet of things platform 40 comprises a plurality of comparators which respectively compare a voice signal with the voice threshold, an infrared signal with the infrared threshold, a load signal with the load threshold.
In this embodiment, the elevator internet of things platform 40 compares whether the voice signal is within the voice threshold, if so, first person information is generated, the elevator internet of things platform 40 compares whether the infrared signal is within the infrared threshold, if so, second person information is generated, the elevator internet of things platform 40 compares whether the load signal is within the load threshold, if so, third person information is generated, and a person determination signal is generated according to the first person information, the second person information, and the third person information.
Preferably, the elevator internet of things platform 40 compares whether the voice signal output by each of the voice and infrared sensors 11 is within the voice threshold, and generates the first presence information when the voice signal output by any one of the voice and infrared sensors 11 exceeds the voice threshold.
Preferably, the elevator internet of things platform 40 compares whether the infrared signal output by each of the voice and infrared sensors 11 is within the infrared threshold, and generates the second personal information when the infrared signal output by any one of the voice and infrared sensors 11 exceeds the infrared threshold.
Preferably, the elevator internet of things platform 40 calculates load data of the elevator according to the load signals output by all the load sensors, and compares whether the load data is within the load threshold.
The elevator internet of things platform 40 comprises a logic arithmetic unit, and is used for outputting first someone information, second someone information and third someone information according to the comparison result, and generating a someone determination signal according to the first someone information, the second someone information and the third someone information.
The voice threshold is obtained by learning and storing the voice signal acquired by the elevator Internet of things platform 40 according to no-load and manned conditions; the infrared threshold is obtained by learning and storing the infrared signals acquired by the elevator internet of things platform 40 according to no-load and manned conditions. The load threshold is obtained by learning and storing the load signal acquired by the elevator internet of things platform 40 according to no-load and manned conditions. Wherein, above-mentioned someone includes the condition that has one person and have many people respectively, gathers speech signal, infrared signal and load signal under no-load, one person and many people environment respectively and study promptly. The infrared signals are contour data, the infrared threshold values are range values of contour feature points, and the voice threshold values are voice intensity data. The elevator internet of things platform 40 extracts feature point data in the contour data, calculates a difference value and a range value of the key feature point, compares whether the difference value and the range value are within corresponding infrared threshold values, and generates a second someone signal if the difference value and the range value are within the corresponding infrared threshold values. Of course, the manner of obtaining and comparing the infrared threshold, the load threshold and the voice threshold is not limited to the above embodiment. For example, the infrared signal may also be temperature data, and the infrared threshold may be a corresponding temperature threshold.
In this embodiment, the elevator internet of things platform 40 generates the someone determination signal when acquiring one of the first and second someone information and the third someone information.
Referring to fig. 1, the monitoring system for remotely monitoring elevator trapping further includes a car door lock switch 21, the car door lock switch 21 detects whether the elevator door is opened and outputs a door opening in-place signal when the elevator door is opened, the elevator main control board 20 transmits the door opening in-place signal to the elevator internet of things platform 40, the elevator internet of things platform 40 starts timing after receiving a fault signal, generates a trapping signal according to the someone determination signal and the fault information when the door opening in-place signal is not received at a preset time, and cancels the trapping signal when the door opening in-place signal is received. The estimated time may be 2 minutes or other time such as 3 minutes, and is set by a technician as needed.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (6)
1. A detection system for remotely monitoring an elevator for someone, characterized in that: the elevator internet of things system comprises a signal acquisition mechanism, an elevator internet of things terminal and an elevator internet of things platform, wherein the signal acquisition mechanism comprises a plurality of voice and infrared sensors and weighing sensors, the voice and infrared sensors are respectively arranged at four corners of a suspended ceiling of an elevator car and are used for detecting voice signals and infrared signals in the car; the weighing sensors are arranged at four corners of the bottom of the lift car and used for detecting a load signal in the elevator; the elevator thing networking terminal acquires voice signal, infrared signal and load signal, and will voice signal, infrared signal and load signal carry to elevator thing networking platform in, elevator thing networking platform basis voice signal, infrared signal and load signal judge whether the elevator is in order to generate someone and confirm the signal.
2. The detection system for remotely monitoring an elevator for the presence of a person according to claim 1, wherein: pronunciation and infrared sensor have four and install respectively in four angles of car furred ceiling, weighing sensor has four and installs respectively in four angles at the bottom of the car sedan-chair.
3. The detection system for remotely monitoring an elevator for the presence of a person according to claim 1, wherein: and the terminal of the elevator Internet of things uploads the information to the platform of the elevator Internet of things through a wireless network.
4. The detection system for remotely monitoring an elevator for the presence of a person according to claim 1, wherein: the elevator internet of things platform comprises a plurality of comparators, and the comparators are used for comparing the voice signal with the voice threshold, the infrared signal with the infrared threshold, the load signal with the load threshold respectively.
5. A monitored control system for long-range supervision elevator is stranded its characterized in that: the elevator remote monitoring system comprises an elevator main control board, a detection system and a remote elevator monitoring system, wherein the detection system is used for remotely monitoring the existence of an elevator according to any one of claims 1 to 4, the fault information is sent to an elevator Internet of things platform through an elevator Internet of things terminal when the elevator main control board is in fault, and the elevator Internet of things platform generates a people trapping signal according to the people confirming signal and the fault information and transmits the people trapping signal to the remote elevator monitoring system through the Internet.
6. The monitoring system for remotely monitoring elevator distress of claim 5, wherein: still include sedan-chair lock switch, sedan-chair lock switch detects whether the lift-cabin door is opened and export the signal that targets in place of opening the door when the lift-cabin door is opened, the elevator main control board will the signal that targets in place of opening the door carry extremely elevator thing networking platform, elevator thing networking platform receives behind the fault signal and begins the timing and does not receive at the arrival time when the signal that targets in place of opening the door the basis someone confirms signal and fault information generation trapping signal, and is receiving cancel when the signal that targets in place of opening the door trapping signal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678640A (en) * | 2020-12-31 | 2021-04-20 | 快意电梯股份有限公司 | Detection system for remotely monitoring elevator presence and people trapping monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678640A (en) * | 2020-12-31 | 2021-04-20 | 快意电梯股份有限公司 | Detection system for remotely monitoring elevator presence and people trapping monitoring system |
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