CN110203785B - Elevator data transmission system, elevator and elevator data transmission method - Google Patents
Elevator data transmission system, elevator and elevator data transmission method Download PDFInfo
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- CN110203785B CN110203785B CN201910459228.XA CN201910459228A CN110203785B CN 110203785 B CN110203785 B CN 110203785B CN 201910459228 A CN201910459228 A CN 201910459228A CN 110203785 B CN110203785 B CN 110203785B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
- B66B7/1223—Checking means specially adapted for ropes or cables by analysing electric variables
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- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The embodiment of the invention discloses an elevator data transmission system, an elevator and an elevator data transmission method, wherein the elevator data transmission system comprises a transmitter and a receiver, and the transmitter is electrically connected with the receiver through a traction steel belt of the elevator; wherein the transmitter is connected with the data transmission source and is used for receiving the source data from the data transmission source and controlling the current value of the current passing through the traction steel belt according to the source data; the receiver is connected with the data receiving object and is used for detecting the current value of the current passing through the traction steel belt, restoring the source data according to the current value and sending the restored source data to the data receiving object. The embodiment of the invention realizes data transmission through the traction steel belt of the elevator system without modifying or replacing the traveling cable of the elevator, simplifies the installation of equipment and reduces the installation cost.
Description
Technical Field
The embodiment of the invention relates to the technical field of elevator data transmission, in particular to an elevator data transmission system, an elevator and an elevator data transmission method.
Background
With the development of elevator technology, elevators are widely used in buildings, and particularly, vertical lifting elevators can rapidly transport people to designated floors in high-rise buildings.
In an elevator system, an elevator manufacturer is usually provided with a traveling cable traveling with a car in advance, the traveling cable connects a machine room and equipment on the car, and data of the machine room can be transmitted to the equipment on the car through the traveling cable. And after the elevator installation, when later stage need install equipment additional on the car, need follow elevator computer lab transmission data to the equipment of installing additional, if the retinue cable transmission data through elevator system itself, then will modify or change the retinue cable of elevator, the installation is comparatively complicated, with high costs, even because retinue cable itself restriction can't transmit data to the equipment of installing additional through the retinue cable.
Disclosure of Invention
The embodiment of the invention provides an elevator data transmission system, an elevator and an elevator data transmission method, and aims to solve the problems that after equipment is additionally arranged in the elevator, in the aspect of data transmission, the installation is complex and high in cost due to the fact that a travelling cable is modified or replaced, and even data cannot be transmitted through the travelling cable.
In a first aspect, the embodiment of the invention provides an elevator data transmission system, which comprises a transmitter and a receiver, wherein the transmitter is electrically connected with the receiver through a traction steel belt of an elevator;
the transmitter is connected with a data transmission source and is used for receiving source data from the data transmission source and controlling the current value of the current passing through the traction steel belt according to the source data;
the receiver is connected with a data receiving object and is used for detecting the current value of the current passing through the traction steel belt, restoring source data according to the current value and sending the restored source data to the data receiving object.
Optionally, the transmitter comprises a data receiving module, a first data processing module, a current control module and a constant current module electrically connected with the traction steel belt;
the data receiving module is respectively connected with the data transmitting source and the first data processing module, and is used for receiving source data from the data transmitting source and outputting the source data to the first data processing module;
the first data processing module is used for processing the source data to generate a current control signal;
the current control module is respectively connected with the first data processing module and the constant current module, and is used for receiving a current control signal from the first data processing module and controlling the current value of the current output by the constant current module to the traction steel belt according to the current control signal.
Optionally, the source data is analog signal data, and the data receiving module is further configured to convert the analog signal into a digital signal and output the digital signal to the first data processing module.
Optionally, the receiver includes a current detection module, a signal amplification module, and a communication module;
the current detection module is connected with the signal amplification module and is used for detecting the current value of the current passing through the traction steel belt and outputting a detection signal to the signal amplification module according to the current value;
the signal amplification module is connected with the communication module and is used for amplifying the detection signal and outputting the amplified detection signal to the communication module as source data;
the communication module is connected with the data receiving object and used for sending the source data output by the signal amplification module to the data receiving object.
Optionally, the source data is digital signal data, and the receiver includes a current detection module, a signal amplification module, a second data processing module, and a communication module;
the current detection module is connected with the signal amplification module and is used for detecting the current value of the current passing through the traction steel belt and outputting a detection signal to the signal amplification module according to the current value;
the signal amplification module is connected with the second data processing module, and is used for amplifying the detection signal and outputting the amplified detection signal to the second data processing module;
the second data processing module is connected with the communication module and used for restoring the source data according to the amplified detection signal;
the communication module is connected with the data receiving object and used for converting the source data restored by the second data processing module into analog signals and sending the analog signals to the data receiving object.
Optionally, the receiver further comprises an alarm module;
the receiver is used for starting the alarm module when current is not detected from the traction steel belt within a preset time;
the alarm module is used for generating alarm information of the breakage of the traction steel belt when the traction steel belt is started.
Optionally, the alarm module is further connected with a monitoring center, and the alarm module is further configured to send alarm information of breakage of the traction steel belt to the monitoring center.
Optionally, the current detection module includes one of an open-loop hall current sensor and a closed-loop hall current sensor.
In a second aspect, an embodiment of the invention provides an elevator, which comprises the elevator data transmission system according to any embodiment of the invention.
In a third aspect, an embodiment of the present invention provides an elevator data transmission method, which is applied to an elevator data transmission system, where the elevator data transmission system includes a transmitter and a receiver, the transmitter is connected to the receiver through a traction steel belt of an elevator, and the elevator data transmission method includes:
the transmitter receives source data from a data transmission source and controls a current value of a current passing through the traction steel belt according to the source data;
the receiver detects a current value of a current passing through the traction steel belt, restores source data according to the current value, and transmits the restored source data to a data receiving object.
Optionally, the source data is analog signal data, and before processing the source data to generate the current control signal, the method further includes:
the analog signal form is converted into a digital signal.
Optionally, the restoring the source data according to the current value and sending the restored source data to the data receiving object include:
outputting a detection signal according to the current value;
amplifying the detection signal to be used as source data;
and sending the source data to the data receiving object.
Optionally, the source data is digital signal data, the restoring the source data according to the current value, and sending the restored source data to a data receiving object, includes:
outputting a detection signal according to the current value;
amplifying the detection signal to obtain an amplified detection signal;
restoring source data according to the amplified detection signal;
and converting the restored source data into an analog signal, and sending the analog signal to the data receiving object.
Optionally, the receiver further comprises an alarm module, and the elevator data transmission method further comprises:
when current is not detected from the traction steel belt within a preset time, the alarm module is started to generate alarm information of the breakage of the traction steel belt;
and sending the alarm information to a monitoring center.
The elevator data transmission system provided by the embodiment of the invention comprises a transmitter and a receiver, wherein the transmitter is electrically connected with the receiver through a traction steel belt of an elevator, receives source data from a data transmission source and controls the current value of current passing through the traction steel belt according to the source data; the receiver is connected to the data receiving object, detects a current value of the current passing through the traction steel belt and restores source data according to the current value, and transmits the restored source data to the data receiving object. The invention is implemented by connecting the transmitter and the receiver through the traction steel belt, the transmitter can control the current value of the current passing through the traction steel belt according to the source data of the data transmission source, and the receiver can detect the current value of the current of the traction steel belt to restore the source data and send the source data to the data receiving object, thereby realizing the data transmission through the traction steel belt of the elevator system, needing no modification or replacement of a trailing cable of the elevator, simplifying the installation of equipment and reducing the installation cost of the equipment.
Drawings
Fig. 1 is a schematic structural diagram of an elevator data transmission system according to an embodiment of the present invention;
fig. 2 presents a diagrammatic illustration of an elevator according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of an elevator data transmission system according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of a transmission state when source data is analog signal data according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of an elevator data transmission system provided by a third embodiment of the invention;
fig. 6 is a schematic diagram of a transmission state when source data is digital signal data according to a third embodiment of the present invention;
fig. 7 is a flowchart of an elevator data transmission method according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural diagram of an elevator data transmission system according to an embodiment of the present invention, which is used to execute an elevator data transmission method so that elevator data can be transmitted from an elevator machine room to devices on a car.
As shown in fig. 1, the elevator data transmission system includes a transmitter 10 and a receiver 20, wherein the transmitter 10 is electrically connected with the receiver 20 through a traction steel belt 30 of an elevator.
As shown in fig. 2, the elevator according to the embodiment of the present invention is a vertical lift type elevator, in which a traction steel belt 30 is used as a traction transmission member of the elevator, specifically, both ends of the traction steel belt 30 are fixed to an elevator machine room or an elevator shaft, and a plurality of movable pulleys are provided to hook a counter weight and a car, and a fixed pulley capable of driving the traction steel belt 30 is provided, and when the fixed pulley is driven by a motor, the fixed pulley drives the traction steel belt 30, thereby realizing the ascending or descending of the car in the elevator shaft.
The traction steel belt 30 may be a belt-shaped member having a steel wire rope at the center and a plastic layer coated on the outer layer, and the traction steel belt 30 is insulated from other elevator components, so that the steel wire rope at the center of the traction steel belt 30 can be used as a medium for elevator data transmission, specifically, the transmitter 10 is connected to one end of the traction steel belt 30, and the receiver 20 is connected to the traction steel belt 30 near the car.
As shown in fig. 1 and 2, the transmitter 10 is connected to a data transmission source 40, and the transmitter 10 is configured to receive source data from the data transmission source 40 and control a current value of a current passing through the traction steel belt 30 according to the source data; the receiver 20 is connected to the data receiving object 50, and the receiver 20 serves to detect a current value of the current passing through the traction steel belt 30, and to restore source data according to the current value, and to transmit the restored source data to the data receiving object 50.
The data transmitting source 40 may be a module for generating source data, for example, a computer in a machine room of an elevator or other equipment that needs to transmit data to a car, the transmitter 10 may be a device for generating a current in the traction steel belt 30 by applying a voltage to both ends of the traction steel belt 30 according to the source data after receiving the source data from the data transmitting source 40, the receiver 20 may be a device for detecting the current in the traction steel belt 30 to restore the source data and transmitting the source data to the data receiving object 50, and the data receiving object 50 may be electronic equipment on the car.
The invention is implemented by connecting the transmitter and the receiver through the traction steel belt, the transmitter can control the current value of the current passing through the traction steel belt according to the source data of the data transmission source, and the receiver can detect the current value of the current of the traction steel belt to restore the source data and send the source data to the data receiving object, thereby realizing the data transmission through the traction steel belt of the elevator system, needing no modification or replacement of a trailing cable of the elevator, simplifying the installation of equipment and reducing the installation cost of the equipment.
Fig. 3 is a schematic structural diagram of an elevator data transmission system according to a second embodiment of the present invention.
As shown in fig. 3, in the elevator transmission system according to the embodiment of the present invention, source data in the form of an analog signal can be received from the data transmission source 40. The transmitter 10 comprises a data receiving module 101, a first data processing module 102, a current control module 103 and a constant current module 104 electrically connected with the traction steel belt 30; the receiver 20 includes a current detection module 201, a signal amplification module 202, and a communication module 203.
The data receiving module 101 is connected to the data transmitting source 40 and the first data processing module 102, and the data receiving module 101 is configured to receive source data from the data transmitting source 40 and output the source data to the first data processing module 102. In the embodiment of the present invention, the data of the data transmission source 40 is analog signal data, and the data receiving module 101 converts an analog signal into a digital signal after receiving the source data from the data transmission source 40, and outputs the digital signal to the first data processing module 102.
The first data processing module 102 may be a data processing chip, a single chip, or the like, and may generate the current control signal according to the source data in the form of the digital signal output by the data receiving module 101, for example, the source data in the form of the digital signal may be encoded according to a preset encoding rule, and the encoded result is used as the current control signal.
The current control module 103 is connected to the first data processing module 102 and the constant current module 104, respectively, the current control module 103 is configured to receive a current control signal from the first data processing module 102, and control the constant current module 104 to output a current value of the current to the traction steel belt 30 according to the current control signal, specifically, the constant current module 104 is connected to two ends of the traction steel belt 30, and a control end of the constant current module 104 is connected to the current control module 103 to output currents with different current values to the traction steel belt 30 according to the current control signal output by the current control module 103.
In the receiver 20, the current detection module 201 is connected to the signal amplification module 202, and the current detection module 201 is configured to detect a current value of the current passing through the traction steel belt 30 and output a detection signal to the signal amplification module 202 according to the current value, preferably, the current detection module 201 may have a sensor, such as a hall sensor, which is capable of detecting a magnetic field intensity, and the hall sensor may be disposed on the car and sleeved on the traction steel belt 30, when the current passes through the traction steel belt 30, the traction steel belt 30 generates a magnetic field, and the hall sensor induces the magnetic field, so that the current value of the current passing through the traction steel belt 30 can be known, and further, a corresponding detection signal, such as a detection signal in the form of a model signal with different output voltages, can be output at the current value. Alternatively, the current detection module 201 may be an open-loop hall current sensor or a closed-loop hall current sensor, preferably a closed-loop hall sensor, which has a shorter response time than the open-loop hall sensor and can generate a detection signal with a fast response, thereby reducing the time delay of elevator data transmission.
The signal amplification module 202 is connected to the communication module 203, and the signal amplification module 202 is configured to amplify the detection signal and output the amplified detection signal to the communication module 203 as source data. In practical application, in order to ensure the strength of the traction steel belt 30, the traction steel belt 30 is made of steel, the traction steel belt 30 is long in length, the resistance value is large, the passing current ratio is small, the detection signal output by the current detection module 201 is weak, and the signal amplification module 202 amplifies the detection signal and then sends the amplified detection signal as source data to the data receiving object 50 through the communication module 203, so that the detection signal meets the sending requirement of the communication module 203, and the source data can be prevented from being lost.
After the communication module 203 is connected with the data receiving object 50, the source data output by the signal amplification module 202 is sent to the data receiving object 50, specifically, the current detection module 201 directly outputs a detection signal in the form of an analog signal according to the detected magnetic field intensity, the signal amplification module 202 amplifies the analog signal and outputs the amplified signal to the communication module 203, and the communication module 203 sends the analog signal to the data receiving object 50 in a wired or wireless communication manner, where the data receiving object 50 may be an electronic device in a car.
Fig. 4 is a schematic diagram of a data transmission state when source data in the form of analog signals are transmitted according to an embodiment of the present invention.
In fig. 4, a is a schematic diagram of voltage u1 and time t when the data sending source 40 generates source data in the form of analog signals, after the data sending source 40 sends the source data in the form of analog signals to the data receiving module 101, the data receiving module 101 converts the analog signals into digital signals and outputs the digital signals to the first data processing module 102, the relationship between the voltage u2 and the time t of the digital signals received by the first data processing module 102 is shown in b, after the first data processing module 102 outputs current control signals according to the received digital signals, the current control module 103 controls the constant current module 104 to apply voltage to both ends of the steel traction belt 30, the relationship between the current a and the time t in the steel traction belt 30 is shown in c, meanwhile, the current detection module 201 detects the magnitude of the current in the steel traction belt 30 and outputs an analog signal, the relationship between the voltage u3 and the time t is shown in d, finally, as shown in fig. e, the analog signal of the current detection module 201 is amplified by the signal amplification module 202 to be used as source data, so that the signals of fig. e and a are the same, thereby realizing the transmission of data from the transmitter 10 to the receiver 20 through the traction steel belt 30.
In the embodiment of the present invention, the transmitter 10 includes a data receiving module 101, a first data processing module 102, a current control module 103, and a constant current module 104 electrically connected to the traction steel belt 30, the receiver 20 includes a current detection module 201, a signal amplification module 202, and a communication module 203, source data of the data transmission source 40 sequentially passes through the data receiving module 101, the first data processing module 102, and the current control module 103, and then controls the constant current module 104 to energize the traction steel belt 30, the receiver 20 detects the magnitude of the medium current of the traction steel belt 30 through the current detection module 201 to output a detection signal, the detection signal is amplified by the signal amplification module 202 to output the detection signal as source data to the communication module 203, so as to transmit the source data to the data receiving object 50 through the communication module 203.
The transmitter comprises a data receiving module, a first data processing module, a current control module and a constant current module electrically connected with the traction steel belt, the receiver comprises a current detection module, a signal amplification module and a communication module, the transmitter can control the current value of the current passing through the traction steel belt according to the analog signal data of a data transmission source, and the receiver can detect the current value of the current passing through the traction steel belt to restore the analog signal data and send the analog signal data to a data receiving object, so that the analog data transmission is realized through the traction steel belt of the elevator system, the traveling cable of the elevator is not required to be modified or replaced, the installation of equipment is simplified, and the installation cost is reduced.
Fig. 5 is a schematic structural diagram of an elevator data transmission system according to a third embodiment of the present invention.
As shown in fig. 5, in the elevator transmission system according to the embodiment of the present invention, the transmitter 10 may receive the source data in the form of digital signals from the data transmitting source 40, and includes a data receiving module 101, a first data processing module 102, a current control module 103, and a constant current module 104 electrically connected to the traction steel belt 30; the receiver 20 includes a current detection module 201, a signal amplification module 202, a communication module 203, and a second data processing module 204.
In the embodiment of the present invention, the connections of the respective modules of the transmitter 10 are the same as those in the embodiment, and are not described in detail here.
In the embodiment of the present invention, in the transmitter 10, the data receiving module 101 receives the source data in the form of the digital signal from the data transmitting source 40, and then outputs the digital signal to the first data processing module 102, the first data processing module 102 outputs the current control signal according to the source data in the form of the digital signal, and the current control module 103 controls the constant current module 104 to output the current value of the current to the traction steel belt 30 according to the current control signal.
In the receiver 20, a current detection module 201, a signal amplification module 202, a second data processing module 204, and a communication module 203 are sequentially connected, the current detection module 201 outputs a detection signal in a digital signal form to the signal amplification module 202 according to a current value after detecting the current value of the current passing through the traction steel belt 30, the signal amplification module 202 amplifies the detection signal and outputs the detection signal to the second data processing module 204, the second data processing module 204 restores source data in a digital signal form according to the amplified detection signal and outputs the source data to the communication module 203, and the communication module 203 is connected to the data receiving object 50 and converts the source data in the digital signal form output by the second data processing module 204 into an analog signal and transmits the analog signal to the data receiving object 50.
Fig. 6 is a schematic diagram of a data transmission state when source data in the form of digital signals is transmitted according to an embodiment of the present invention.
In fig. 6, a shows source data in the form of digital signals generated by the data transmission source 40, after the data transmission source 40 transmits the source data in the form of digital signals to the data receiving module 101, the relationship between the voltage U1 and the time t of the digital signals output through the first data processing module 102 is shown in b, the digital signals control the constant current module 104 to apply voltage to both ends of the steel traction belt 30 through the current control module 103, the relationship between the current a and the time t in the steel traction belt 30 is shown in c, meanwhile, the current detection module 201 detects the magnitude of the current in the steel traction belt 30 and outputs a digital signal to the signal amplification module 202, the relationship between the voltage U2 and the time t of the digital signal is shown in d, and as shown in e, the digital signal is amplified and then output to the communication module 203 through the second data processing module 204, so that the signals in e and b are the same, the communication module 203 transmits the digital signal to the data receiving object 50, and the data receiving object 50 parses the source data as shown by f, thereby realizing the data transmission from the transmitter 10 to the receiver 20 through the traction steel belt 30.
In the embodiment of the present invention, the transmitter 10 includes a data receiving module 101, a first data processing module 102, a current control module 103, and a constant current module 104 electrically connected to the traction steel belt 30, the receiver 20 includes a current detection module 201, a signal amplification module 202, a second data processing module 204, and a communication module 203, source data of the data transmission source 40 sequentially passes through the data receiving module 101, the first data processing module 102, and the current control module 103, and then controls the constant current module 104 to energize the traction steel belt 30, the receiver 20 detects a medium current of the traction steel belt 30 through the current detection module 201 to output a detection signal, amplifies the detection signal through the signal amplification module 202, and then outputs the detection signal to the communication module 203 through the second data processing module 204, so as to transmit the source data to the data receiving object 50 through the communication module 203.
The transmitter comprises a data receiving module, a first data processing module, a current control module and a constant current module electrically connected with the traction steel belt, the receiver comprises a current detection module, a signal amplification module and a communication module, the transmitter can control the current value of the current passing through the traction steel belt according to the digital signal data of a data transmission source, and the receiver can detect the current value of the current passing through the traction steel belt to restore the digital signal data and send the digital signal data to a data receiving object, so that the digital data transmission is realized through the traction steel belt of the elevator system, the traveling cable of the elevator is not required to be modified or replaced, the installation of equipment is simplified, and the installation cost is reduced.
As shown in fig. 5, in an alternative embodiment of the present invention, the receiver 20 may further include an alarm module 205, where the alarm module 205 is connected to the second data processing module 204, and is configured to activate the alarm module 205 when the current detection module 201 in the receiver 20 does not detect a current from the traction steel belt 30 within a preset time period, so that the second data processing module 204 cannot receive an amplified detection signal from the signal amplification module 202, and the alarm module 205 is configured to generate an alarm message of a breakage of the traction steel belt at the time of activation and send the alarm message to the monitoring center 60 connected thereto, so that the transmitter 10 is powered on the traction steel belt 30 at regular time, and determines that the traction steel belt is broken when the current is not detected within the preset time period through the receiver 20, and further generates the alarm message of the breakage of the traction steel belt to alarm.
The embodiment of the invention also provides an elevator, which comprises the elevator data transmission system provided by any one of the first embodiment to the third embodiment.
Fig. 7 is a flowchart of an elevator data transmission method according to a fourth embodiment of the present invention. The embodiment of the invention is applicable in the case of transmitting elevator data in an elevator, which method can be implemented by an elevator data transmission system comprising a transmitter and a receiver, which are electrically connected by means of the hoisting steel belts of the elevator, which system can be implemented in software and/or hardware. As shown in fig. 7, the method may include the steps of:
s301, the transmitter receives source data from a data transmission source and controls the current value of the current passing through the traction steel belt according to the source data;
s302, the receiver detects the current value of the current passing through the traction steel belt, restores source data according to the current value, and sends the restored source data to a data receiving object.
In an alternative embodiment of the present invention, the controlling a current value of a current passing through a traction steel belt according to the source data includes:
processing the source data to generate a current control signal;
and controlling the current value of the current passing through the traction steel belt according to the current control signal.
In an optional embodiment of the present invention, the source data is analog signal data, and before processing the source data to generate the current control signal, the method further includes:
the analog signal form is converted into a digital signal.
In an optional embodiment of the present invention, the restoring source data according to the current value and sending the restored source data to a data receiving object includes:
outputting a detection signal according to the current value;
amplifying the detection signal to be used as source data;
and sending the source data to the data receiving object.
In an optional embodiment of the present invention, the source data is digital signal data, and the restoring the source data according to the current value and sending the restored source data to a data receiving object include:
outputting a detection signal according to the current value;
amplifying the detection signal to obtain an amplified detection signal;
restoring source data according to the amplified detection signal;
and converting the restored source data into an analog signal, and sending the analog signal to the data receiving object.
In an optional embodiment of the invention, the receiver further comprises an alarm module, the elevator data transmission method further comprises:
when current is not detected from the traction steel belt within a preset time, the alarm module is started to generate alarm information of the breakage of the traction steel belt;
and sending the alarm information to a monitoring center.
The elevator data transmission method provided by the embodiment of the invention is applied to the elevator data transmission system provided by the embodiment of the invention, so that the elevator data transmission method has corresponding beneficial effects.
It should be noted that, as for the method embodiment, since it is basically similar to the system embodiment, the description is relatively simple, and for the relevant points, reference may be made to partial description of the method embodiment.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (6)
1. An elevator data transmission system, characterized by comprising a transmitter and a receiver, the transmitter being electrically connected to the receiver through a traction steel belt of an elevator; wherein the receiver is proximate to a car;
the transmitter is connected with a data transmission source and is used for receiving source data from the data transmission source and controlling the current value of the current passing through the traction steel belt according to the source data;
the transmitter comprises a data receiving module, a first data processing module, a current control module and a constant current module electrically connected with the traction steel belt;
the data receiving module is respectively connected with the data transmitting source and the first data processing module, and is used for receiving source data from the data transmitting source and outputting the source data to the first data processing module;
the first data processing module is used for processing the source data to generate a current control signal;
the current control module is respectively connected with the first data processing module and the constant current module, and is used for receiving a current control signal from the first data processing module and controlling the current value of the current output by the constant current module to the traction steel belt according to the current control signal;
the receiver is connected with a data receiving object and is used for detecting the current value of the current passing through the traction steel belt, restoring source data according to the current value and sending the restored source data to the data receiving object;
the data receiving object is an electronic device in a car;
the traction steel belt is a belt-shaped component with a steel wire rope at the center and a plastic layer covered on the outer layer, and is insulated from other components of the elevator;
the receiver comprises a current detection module, wherein the current detection module comprises one of an open-loop Hall current sensor and a closed-loop Hall current sensor;
the receiver further comprises an alarm module;
the receiver starts the alarm module when the receiver does not detect current from the traction steel belt within a preset time;
the alarm module is used for generating alarm information of the breakage of the traction steel belt during starting;
the alarm module is further connected with a monitoring center and used for sending alarm information of breakage of the traction steel belt to the monitoring center.
2. The elevator data transmission system of claim 1, wherein the source data is analog signal data, the data receiving module further configured to convert the analog signal to a digital signal and output the digital signal to the first data processing module.
3. The elevator data transmission system of claim 2, wherein the receiver comprises a current detection module, a signal amplification module, and a communication module;
the current detection module is connected with the signal amplification module and is used for detecting the current value of the current passing through the traction steel belt and outputting a detection signal to the signal amplification module according to the current value;
the signal amplification module is connected with the communication module and is used for amplifying the detection signal and outputting the amplified detection signal to the communication module as source data;
the communication module is connected with the data receiving object and used for sending the source data output by the signal amplification module to the data receiving object.
4. The elevator data transmission system of claim 1, wherein the source data is digital signal data, and the receiver comprises a current detection module, a signal amplification module, a second data processing module, and a communication module;
the current detection module is connected with the signal amplification module and is used for detecting the current value of the current passing through the traction steel belt and outputting a detection signal to the signal amplification module according to the current value;
the signal amplification module is connected with the second data processing module, and is used for amplifying the detection signal and outputting the amplified detection signal to the second data processing module;
the second data processing module is connected with the communication module and used for restoring the source data according to the amplified detection signal;
the communication module is connected with the data receiving object and used for converting the source data restored by the second data processing module into analog signals and sending the analog signals to the data receiving object.
5. Elevator, characterized in that it comprises an elevator data transmission system according to any of claims 1-4.
6. An elevator data transmission method, which is applied to an elevator data transmission system including a transmitter and a receiver, the transmitter being electrically connected to the receiver through a traction steel belt of an elevator, the elevator data transmission method comprising: wherein the receiver is proximate to a car;
the transmitter receives source data from a data transmission source and controls a current value of a current passing through the traction steel belt according to the source data;
the controlling a current value of a current passing through a traction steel belt according to the source data includes:
processing the source data to generate a current control signal;
controlling the current value of the current passing through the traction steel belt according to the current control signal;
the receiver detects the current value of the current passing through the traction steel belt, restores source data according to the current value, and sends the restored source data to a data receiving object;
the data receiving object is an electronic device in a car;
the traction steel belt is a belt-shaped component with a steel wire rope at the center and a plastic layer covered on the outer layer, and is insulated from other components of the elevator;
the receiver comprises a current detection module, wherein the current detection module comprises one of an open-loop Hall current sensor and a closed-loop Hall current sensor;
the receiver further comprises an alarm module;
the receiver starts the alarm module when the receiver does not detect current from the traction steel belt within a preset time;
the alarm module is used for generating alarm information of the breakage of the traction steel belt during starting;
the alarm module is also connected with a monitoring center and is also used for sending alarm information of the breakage of the traction steel belt to the monitoring center;
the elevator data transmission method further comprises:
when current is not detected from the traction steel belt within a preset time, the alarm module is started to generate alarm information of the breakage of the traction steel belt;
and sending the alarm information to a monitoring center.
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