CN215592265U - Construction elevator monitoring system - Google Patents
Construction elevator monitoring system Download PDFInfo
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- CN215592265U CN215592265U CN202121541748.4U CN202121541748U CN215592265U CN 215592265 U CN215592265 U CN 215592265U CN 202121541748 U CN202121541748 U CN 202121541748U CN 215592265 U CN215592265 U CN 215592265U
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Abstract
The utility model provides a construction elevator monitoring system, which comprises an elevator shaft, an elevator car which does lifting motion along the elevator shaft, a foreign matter monitoring unit and a processor, wherein the foreign matter monitoring unit comprises a transmitter, a sensor and a scanning device; the transmitter is arranged at one end of one side face of the elevator shaft, the other end corresponding to the side face is provided with a sensor for receiving a signal of the transmitter, and the sensor is used for transmitting a detection signal to the processor; the scanning equipment is installed at the bottom end and the top end of the elevator shaft; the scanning equipment is used for acquiring data of each scanning angle and transmitting the data to the processor; the processor is used for acquiring whether foreign matters exist or not according to the sensor signals and the scanning signals so as to brake the elevator car; the foreign matter can be detected in real time, and the elevator car is controlled to stop running; when the elevator normally operates, once the foreign matter appears in the elevator shaft, the operation of the elevator car can be stopped in time, and the safety of personnel and equipment is protected.
Description
Technical Field
The utility model belongs to the technical field of the elevator, concretely relates to construction elevator monitoring system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Elevators are widely used, so to speak inseparable from people's daily lives, and have become facilities for transporting people and goods everywhere in multi-story buildings.
The elevator car carrying people on a construction site does lifting motion in an elevator shaft, and when the elevator runs, foreign matters can enter the elevator shaft by mistake, so that the problem that the foreign matters cannot be effectively detected at the lower side of the elevator at present exists in the detection of the elevator, so that potential safety hazards exist in the descending process, for example, personnel, organisms and other goods shelf foreign matters easily cause safety accidents; the elevator rises the process and can't effectively monitor constructor developments and foreign matter above, produces scraping or incident easily, for example the workman sometimes will stretch out the head outside the elevator guardrail before the elevator operation unintentionally, and the elevator is if still operation then causes the accident easily. The existing monitor adopts ultrasonic waves, but the ultrasonic waves have certain physical influence on a human body in field construction for a long time, and are not beneficial to the characteristics of health and environmental protection. Therefore, how to monitor foreign matters in the elevator lifting process with high precision and safety is a technical problem which needs to be solved urgently at present.
Disclosure of Invention
In order to solve the above problems, the present disclosure provides a construction elevator monitoring system, including an elevator shaft, an elevator car that moves up and down along the elevator shaft, a foreign object monitoring unit, and a processor, where the foreign object monitoring unit includes a transmitter, a sensor, and a scanning device; the transmitter is arranged at one end of one side face of the elevator shaft, the other end corresponding to the side face is provided with a sensor for receiving a signal of the transmitter, and the sensor is used for transmitting a detection signal to the processor; the scanning equipment is installed at the bottom end and the top end of the elevator shaft; the scanning equipment is used for acquiring data of each scanning angle and transmitting the data to the processor; the processor is used for obtaining whether foreign matters exist according to the sensor signals and the scanning signals so as to brake the elevator car.
In one embodiment, the transmitter is an infrared transmitter and the receiver is an infrared receiver. The elevator well is the rectangle structure, is equipped with infrared emitter in the one end of the up end of rectangle structure, and the one end of the lower terminal surface of rectangle structure is equipped with infrared receiver, and infrared emitter and infrared receiver are located same axis.
As another embodiment, the scanning apparatus includes a scanning driving mechanism and a scanning linear laser, the scanning linear laser is rotatably mounted in the housing through a rotating shaft, and one end of the rotating shaft is connected to the scanning driving mechanism. The scanning driving mechanism comprises a motor and a speed reducer, and the motor is used for driving the speed reducer to rotate so as to drive the rotating shaft to move. The infrared emitter adopts a strip structure with a certain length, and a plurality of emission points are uniformly distributed on the infrared emitter. The infrared receiver adopts a strip-shaped structure with a certain length, and a plurality of receiving points are uniformly distributed on the infrared receiver. The infrared emitters are respectively arranged at four corners of the rectangular structure.
As a concrete, the elevator also comprises a driving mechanism used for driving the running of the elevator car; the driving device comprises a motor and a cable, the motor is connected with one end of the cable, and the other end of the cable is connected with the elevator car.
Compared with the prior art, this disclosure possesses following beneficial effect:
the transmitter is arranged at one end of one side face of an elevator shaft, the other end corresponding to the side face is provided with a sensor for receiving a signal of the transmitter, and the sensor is used for transmitting a detection signal to the processor; the scanning equipment is installed at the bottom end and the top end of the elevator shaft; the scanning equipment is used for acquiring data of each scanning angle and transmitting the data to the processor; the processor is used for obtaining whether foreign matters exist or not according to sensor signals and scanning signals and then braking the elevator car, scanning equipment is arranged on the bottom wall of the elevator car, when the foreign matters enter the elevator shaft, linear propagation of light is blocked, the receiver lacks part of light quantity, the processor receives detection signals sent by the light receiver, the driving device is disconnected from the elevator car, and the elevator car is controlled to stop running. When the elevator normally operates, in case discover the foreign matter appears in the elevator well, can in time stop the operation of elevator car, on the one hand the protection the elevator car is damaged by the foreign matter, and on the other hand protects the mistake and goes into the life safety of the people or animal of elevator well, can provide high accuracy and safe foreign matter monitoring at elevator lift in-process, improve elevator operation security.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a front view of a construction elevator monitoring system of the present disclosure;
FIG. 2 is a top view of a construction elevator monitoring system of the present disclosure;
wherein: 1. an elevator hoistway; 2. an elevator car; 3. a transmitter; 4. a sensor; 5. a scanning device.
Detailed Description
The present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, the construction elevator monitoring system includes an elevator shaft, an elevator car that moves up and down along the elevator shaft, a foreign object monitoring unit, and a processor, wherein the foreign object monitoring unit includes a transmitter, a sensor, and a scanning device; the transmitter is arranged at one end of one side face of the elevator shaft, the other end corresponding to the side face is provided with a sensor for receiving a signal of the transmitter, and the sensor is used for transmitting a detection signal to the processor; the scanning equipment is installed at the bottom end and the top end of the elevator shaft; the scanning equipment is used for acquiring data of each scanning angle and transmitting the data to the processor; the processor is used for obtaining whether foreign matters exist according to the sensor signals and the scanning signals so as to brake the elevator car.
As a specific implementation mode, the elevator well is of a rectangular structure, an infrared transmitter is arranged at one end of the upper end face of the rectangular structure, an infrared receiver is arranged at one end of the lower end face of the rectangular structure, the infrared transmitter emits infrared rays to the bottom of the elevator well perpendicularly, the infrared receiver receives all infrared signals, and after foreign matters enter the elevator well, linear propagation of infrared rays is blocked to enable the infrared receiver to fail to receive all signals, so that infrared data are sent to the processor, the processor controls the stop of the operation of the elevator car, and the elevator car is protected from being damaged by the foreign matters and personal safety is protected. The infrared transmitter and the infrared receiver are located on the same axis.
As a further specific implementation manner, the infrared emitters are respectively arranged at four corners of the rectangular structure, and are respectively located at the upper left corner, the upper right corner, the lower left corner and the lower right corner, the infrared emitters are in a strip structure with a certain length, and a plurality of emission points can be uniformly distributed on the infrared emitters, and the corresponding infrared receivers can also be in a strip structure with a certain length, and a plurality of receiving points are uniformly distributed on the infrared receivers. Specifically, the infrared emitters can adopt VSMY2850RG infrared emitters which are uniformly distributed at the top of an elevator shaft;
the scanning equipment carries out first acquisition and second acquisition at each scanning angle to obtain first acquisition data and second acquisition data; and determining whether foreign matters exist on the picture acquired for the first time according to the data acquired for the first time.
Specifically, scanning equipment includes scanning actuating mechanism and rotatable formula scanning linear laser ware, and scanning linear laser ware passes through the pivot and rotationally installs in the casing, and the one end and the scanning actuating mechanism of pivot are connected, and scanning actuating mechanism drive pivot carries out data acquisition with scanning linear laser ware rotation settlement degree, with data transmission to the treater of gathering, the treater judges whether there is the foreign matter, if exist then with signal transmission to elevator car's actuating mechanism, brake the operation to elevator car. The scanning driving mechanism comprises a motor and a speed reducer, the motor is used for driving the speed reducer to rotate so as to drive the rotating shaft to move, and the controller can be used for controlling the movement of the scanning driving mechanism.
When the scanning device collects images, the scanning device stops rotating at each preset angle, and realizes twice photographing at the same angle at the same moment, the line laser is started during one photographing, the line laser is not started during one photographing, after the scanning is finished, in the image processing, the original image processing is firstly carried out on the image without the line laser for the first time to judge the foreign matters in the image, then, the subtraction processing in the aspect of image processing is carried out on the images of the laser which is turned on and off twice at the same angle at the same moment, the line laser pixel points are found out and marked, and the situation that the shape is generated when the grating stripes meet high foreign matters is utilized, the judgment is carried out by changing the pixels of the laser line marked in the image processing, whether the foreign object in the line laser in the first image processing has the height of the foreign object is determined, and whether the foreign object is a suspected foreign object is judged by determining whether the foreign object has the three-dimensional height.
Specifically, the two shooting processes are actually judged by image processing with the template every time, and the line laser re-shooting only is the other part in the image processing, namely, the second judgment is carried out again after the image processing is carried out on the first image shooting for confirming whether the foreign matter has the height of the foreign matter. The overall judgment step should be such that the template of the elevator car without foreign matter is collected without the laser being wired. Then, the device starts continuous scanning, wherein each scanning is divided into open line laser scanning and non-open line laser scanning, if a foreign matter exists, a first judgment result of the foreign matter can be obtained through the non-open line laser scanning, but whether the reported foreign matter is clear foreign matter or not is not clear, so that the image processing of the image of the open line laser needs to be carried out again for the second time, the image processing is specially used for removing the foreign matter with no solid height in some foreign matters for the first alarm, and the removed other foreign matters are regarded as the clear foreign matter.
In the specific implementation, the image processing process is divided into two steps, the first step is used for carrying out preliminary foreign matter identification and carrying out image processing in the picture collected when the laser line laser is not started for the first time, then the preliminary judgment result of the foreign matter in the first step identification is used for identifying three suspicious foreign matters, then the picture collected in the structured light mode for the second time is carried out, the non-standard foreign matter without the entity height is deleted in the preliminary judgment result of the foreign matter in the last image processing, the final judgment result of the foreign matter is obtained and output, the false alarm is reduced, and the working efficiency of the monitoring system is improved.
The construction elevator monitoring system further comprises a driving mechanism, the driving mechanism is used for driving the elevator car to run, and specifically can be a motor or other devices capable of driving the elevator car to do lifting movement.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (10)
1. The construction lifting elevator monitoring system is characterized by comprising an elevator shaft, an elevator car which does lifting motion along the elevator shaft, a foreign matter monitoring unit and a processor, wherein the foreign matter monitoring unit comprises a transmitter, a sensor and scanning equipment; the transmitter is arranged at one end of one side face of the elevator shaft, the other end corresponding to the side face is provided with a sensor for receiving a signal of the transmitter, and the sensor is used for transmitting a detection signal to the processor; the scanning equipment is installed at the bottom end and the top end of the elevator shaft; the scanning equipment is used for acquiring data of each scanning angle and transmitting the data to the processor; the processor is used for acquiring whether foreign matters exist according to the sensor signals and the scanning signals.
2. The construction elevator monitoring system according to claim 1, wherein the transmitter is an infrared transmitter and the sensor receiving the transmitter signal is an infrared receiver.
3. The construction elevator monitoring system according to claim 2, wherein the elevator shaft has a rectangular structure, an infrared transmitter is provided at one end of an upper end surface of the rectangular structure, an infrared receiver is provided at one end of a lower end surface of the rectangular structure, and the infrared transmitter and the infrared receiver are located on the same axis.
4. The construction elevator monitoring system according to claim 1, wherein the scanning device includes a scanning drive mechanism and a scanning linear laser, the scanning linear laser being rotatably mounted in the housing by a rotating shaft, one end of the rotating shaft being connected to the scanning drive mechanism.
5. The construction elevator monitoring system according to claim 4, wherein the scanning driving mechanism includes a motor and a reducer, the motor being configured to rotate the reducer to drive the shaft to move.
6. The construction elevator monitoring system according to claim 2, wherein the infrared emitter has a strip structure having a certain length, and a plurality of emission points are uniformly arranged thereon.
7. The construction elevator monitoring system according to claim 2, wherein the infrared receiver is a strip structure having a certain length, and a plurality of receiving points are uniformly arranged on the infrared receiver.
8. The construction elevator monitoring system according to claim 2, wherein the infrared transmitters are disposed at four corners of the rectangular structure, respectively.
9. The construction elevator monitoring system of claim 1, further comprising a drive mechanism for driving operation of the elevator car.
10. The construction elevator monitoring system of claim 9, wherein the drive mechanism includes a motor and a cable, the motor being coupled to one end of the cable and the other end of the cable being coupled to the elevator car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541748.4U CN215592265U (en) | 2021-07-06 | 2021-07-06 | Construction elevator monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541748.4U CN215592265U (en) | 2021-07-06 | 2021-07-06 | Construction elevator monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215592265U true CN215592265U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541748.4U Active CN215592265U (en) | 2021-07-06 | 2021-07-06 | Construction elevator monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215592265U (en) |
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2021
- 2021-07-06 CN CN202121541748.4U patent/CN215592265U/en active Active
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