CN112994771B - Digital frequency shift elevator signal covering equipment - Google Patents
Digital frequency shift elevator signal covering equipment Download PDFInfo
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- CN112994771B CN112994771B CN202110242178.7A CN202110242178A CN112994771B CN 112994771 B CN112994771 B CN 112994771B CN 202110242178 A CN202110242178 A CN 202110242178A CN 112994771 B CN112994771 B CN 112994771B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15507—Relay station based processing for cell extension or control of coverage area
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
Abstract
The invention discloses digital frequency shift elevator signal covering equipment, which comprises a first covering machine case and a second covering machine case, wherein the first covering machine case is positioned below the second covering machine case; a first signal receiving module, a data processing module, a signal adjusting module and a first signal transmitting module are arranged in the first covering case, and a second signal receiving module, a signal processing module, a statistical adjusting module and a second signal transmitting module are arranged in the second covering case; the defects of long wiring, high loss, extremely low utilization rate, troublesome construction and great potential safety hazard can be solved, and the problems that the signal cannot be analyzed in real time, dynamically broadcasted and adjusted to improve the signal coverage effect can be solved.
Description
Technical Field
The invention relates to the technical field of digital signals, in particular to digital frequency shift elevator signal coverage equipment.
Background
Digital signals are signals described by a set of special states, typically represented by the most common binary digits, and are represented by binary digits, the fundamental reason being that a circuit can only represent two states, namely on and off. In actual digital signal transmission, a certain range of information change is generally classified into a state 0 or a state 1, and the state setting greatly improves the noise resistance of the digital signal. Moreover, in the aspects of confidentiality, interference resistance, transmission quality and the like, the digital signals are better than the analog signals, and the signal transmission channel resources are saved more.
Publication number CN103167514B discloses an elevator mobile communication coverage system, a power controller and a method, the invention relates to the technical field related to mobile communication coverage, in particular to an elevator mobile communication coverage system and a method, the elevator mobile communication coverage system comprises: the power source control system comprises a power controller, a signal source antenna, a donor antenna and a retransmission antenna, wherein the input end of the power controller receives a signal source signal, the output end of the power controller is in wired connection with the signal source antenna, the signal source antenna is installed at the top of an elevator shaft, the donor antenna is installed outside an elevator car of the elevator, the retransmission antenna is installed inside the elevator car of the elevator, and the donor antenna is in wired connection with the retransmission antenna. According to the elevator mobile communication coverage system and method, wireless transmission is performed between the information source antenna and the donor antenna, so that equipment devices are prevented from being installed in an elevator shaft, installation is rapid and convenient, the manufacturing cost is low, coordination with property is reduced, and power taking and maintenance difficulty is reduced;
the existing elevator signal covering equipment has the defects that: the method has the defects of long wiring, more loss, extremely low utilization rate, troublesome construction and larger potential safety hazard, and the problems that the signals cannot be analyzed in real time and dynamically broadcasted and adjusted to improve the signal coverage effect.
Disclosure of Invention
The invention aims to provide digital frequency shift elevator signal covering equipment, and solves the technical problems that:
the method solves the technical problems that the existing scheme has the defects of long wiring, high loss, extremely low utilization rate, troublesome construction and large potential safety hazard, and the signals cannot be analyzed in real time and dynamically broadcasted and adjusted to improve the signal coverage effect.
The purpose of the invention can be realized by the following technical scheme:
the digital frequency shift elevator signal covering equipment comprises a first covering machine case and a second covering machine case, wherein the first covering machine case is positioned below the second covering machine case, the first covering machine case is fixedly arranged at the position, close to one side, of the upper end of an elevator car, the second covering machine case is fixedly arranged at the position, close to the upper side, of the inner side wall of an elevator shaft, the elevator car is arranged inside the elevator shaft, and an elevator machine room is arranged at the position, close to the upper side, inside the elevator shaft;
a first signal receiving module, a data processing module, a signal adjusting module and a first signal transmitting module are arranged in the first covering case, and a second signal receiving module, a signal processing module, a statistical adjusting module and a second signal transmitting module are arranged in the second covering case;
the second signal receiving module is used for receiving control signal data, the control signal data comprises control signal frequency and control signal amplitude, and the signal processing module is used for packaging the control signal data to obtain signal packaging data; the statistical adjustment module is used for acquiring distance data between the first covering case and the second covering case and mobile data of the first covering case and combining the distance data and the mobile data to obtain statistical data, and the second signal transmitting module is used for broadcasting signal packaging data according to the statistical data;
the first signal receiving module is used for receiving the signal packaging data and sending the signal packaging data to the data processing module, the data processing module is used for processing the signal packaging data to obtain a processing data set, and the processing data set is sent to the signal adjusting module;
the signal adjusting module receives the processing data set, calculates and adjusts the processing data set to obtain signal adjusting data, and sends the signal adjusting data to the first signal transmitting module;
the first signal transmitting module receives the signal adjustment data and sends a signal to the elevator car.
As a further improvement of the invention: the second signal transmitting module is used for broadcasting the signal packaging data according to the statistical data, and the specific steps comprise:
s21: receiving the statistical data and the signal encapsulation data, acquiring distance data and movement data in the statistical data, and marking a distance value in the distance data as JZi, wherein i is 1,2.. n; marking the movement rate in the movement data as YSi, i ═ 1,2.. n; carrying out normalization processing on the marked distance value and the marked moving speed and obtaining values to obtain statistical processing data;
s22: acquiring occupied memory of signal encapsulation data and marking the memory as ZNi, wherein i is 1,2.. n; carrying out normalization processing on the occupied memory of the mark and taking a value;
s23: and calculating and acquiring an adjustment coefficient broadcasted by the second signal transmitting module by using a formula, wherein the formula is as follows:
wherein Q istxExpressed as an adjustment coefficient, a1, a2 and a3 are expressed as preset different proportionality coefficients, α is expressed as a preset adjustment correction factor, JZi0 is expressed as a preset standard distance value, YSi0 is expressed as a preset standard movement rate, ZNi0 is expressed as a preset standard occupied memory;
s24: analyzing the adjustment coefficients, including:
SS 241: matching the adjustment coefficient with a preset standard adjustment range, and if the adjustment coefficient is smaller than the minimum value of the standard adjustment range, judging that the intensity of the broadcast signal corresponding to the adjustment coefficient is low and needs to be enhanced and generating a first adjustment signal;
SS 242: if the adjusting coefficient is not smaller than the minimum value of the standard adjusting range and not larger than the maximum value of the standard adjusting range, judging that the intensity of the broadcast signal corresponding to the adjusting coefficient is normal and does not need to be adjusted, and generating a second adjusting signal;
SS 243: if the adjusting coefficient is larger than the maximum value of the standard adjusting range, judging that the intensity of the broadcast signal corresponding to the adjusting coefficient is higher and needs to be weakened, and generating a third adjusting signal;
and SS 244: combining the first adjustment signal, the second adjustment signal and the third adjustment signal to obtain an adjustment signal set;
s25: and adjusting the strength of the broadcast signal of the second signal transmitting module by using the adjusting signal set and broadcasting.
As a further improvement of the invention: the method comprises the following steps of utilizing an adjusting signal set to adjust the strength of a broadcast signal of a second signal transmitting module and broadcasting the broadcast signal, wherein the method comprises the following specific steps:
s31: analyzing the adjustment signal set, if the adjustment signal set comprises a first adjustment signal, acquiring a difference value between the first adjustment signal and a preset standard adjustment range minimum value, setting a first adjustment label, searching and matching the first adjustment label in a preset intensity adjustment table to acquire a corresponding adjustment signal value, marking the adjustment signal value as first adjustment data, and enhancing the intensity of the broadcast signal according to the first adjustment data;
s32: if the adjustment signal set contains a third adjustment signal, obtaining a difference value between the third adjustment signal and a preset standard adjustment range maximum value and setting the difference value as a second adjustment label, searching and matching the second adjustment label in a preset intensity adjustment table to obtain a corresponding adjustment signal value and marking the adjustment signal value as second adjustment data, and weakening the intensity of the broadcast signal according to the second adjustment data.
As a further improvement of the invention: the data processing module is used for processing the signal encapsulation data to obtain a processing data set, and the specific steps comprise:
s41: acquiring control signal frequency and control signal amplitude in the signal encapsulation data, and marking the control signal frequency as KXPi, i is 1,2.. n; marking the control signal amplitude as KXFi, i ═ 1,2.. n; carrying out normalization processing value combination on the marked control signal frequency and the marked control signal amplitude to obtain signal processing data;
s42: acquiring the total number of people in the elevator car, the frequency of a moving signal and the amplitude of the moving signal, and marking the total number of people as ZRSi, wherein i is 1,2.. n; marking the mobile signal frequency as YXPi, i ═ 1,2.. n; marking the moving signal amplitude as YXFi, i ═ 1,2.. n; carrying out normalization processing and value combination on the marked headcount, the movement signal frequency and the movement signal amplitude to obtain environment processing data;
s43: and classifying and combining the signal processing data and the environment processing data to obtain a processing data set.
As a further improvement of the invention: the signal adjustment module receives the processing data set and calculates and adjusts the processing data set to obtain signal adjustment data, and the specific steps comprise:
s51: receiving a processing data set and acquiring control signal frequency KXPi, control signal amplitude KXFi, headcount ZRSi, moving signal frequency YXPi and moving signal amplitude YXFi subjected to marking processing;
s52: and calculating and acquiring the enhancement coefficient transmitted by the first signal transmitting module by using a formula, wherein the formula is as follows:
wherein Q iszxExpressed as adjustment coefficients, g1, g2, g3 and g4 are expressed as preset different proportionality coefficients, KXPi0 is expressed as a preset standard control signal frequency, and KXFi0 is expressed as a preset standard control signal amplitude;
s53: matching the enhancement coefficient with a preset standard enhancement threshold, and if the enhancement coefficient is not greater than the standard enhancement threshold, judging that signal enhancement is not needed when the first signal transmitting module transmits signals and generating first enhancement signals; if the enhancement coefficient is larger than the standard enhancement threshold, judging that signal enhancement is needed when the first signal transmitting module transmits signals and generating a second enhancement signal;
s54: acquiring a ratio between an enhancement coefficient and a standard enhancement threshold according to the second enhancement signal, setting the ratio as an enhancement ratio, and enhancing the strength of a preset standard signal transmitted by the first signal transmitting module according to the enhancement ratio to obtain an enhancement signal;
s55: and performing correlation combination on the enhanced signal and the processing data set to obtain signal adjustment data.
The beneficial effects brought by various aspects disclosed by the invention are as follows:
through the matched use of the first covering machine case, the second covering machine case and the elevator car, the defects of long wiring, high loss, extremely low utilization rate, troublesome construction and large potential safety hazard in the existing scheme can be overcome;
the purposes of analyzing signals in real time, dynamically broadcasting and adjusting signals and improving the signal coverage effect can be achieved through the matching use of a first signal receiving module, a data processing module, a signal adjusting module and a first signal transmitting module which are arranged in a first covering case and a second signal receiving module, a signal processing module, a statistical adjusting module and a second signal transmitting module which are arranged in a second covering case;
by acquiring and processing and analyzing the control signal frequency, the control signal amplitude, the distance data, the movement data, the total number of people in the elevator car, the movement signal frequency and the movement signal amplitude, effective data support can be provided for adjustment of signal broadcasting, and the second signal transmitting module is used for broadcasting the signal packaging data according to statistical data;
the first signal transmitting module is used for receiving signal adjusting data and sending signals to the elevator car, and the broadcasting effect of the signals in the elevator car is optimal by analyzing and adjusting the data collected by the first covering machine case and the second covering machine case.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a connection structure diagram of the digital frequency shift elevator signal covering equipment of the invention.
Fig. 2 is a block diagram of a temperature control system of the digital frequency-shift elevator signal covering device of the present invention.
In the figure: 1. an elevator hoistway; 2. an elevator machine room; 3. an elevator car; 4. a first covering chassis; 5. the second covering chassis.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the digital frequency shift elevator signal covering device includes a first covering machine case 4 and a second covering machine case 5, the first covering machine case 4 is located below the second covering machine case 5, the first covering machine case 4 is fixedly installed at a position close to one side of the upper end of an elevator car 3, the second covering machine case 5 is fixedly installed at a position close to the upper side of the inner side wall of an elevator hoistway 1, the elevator car 3 is arranged inside the elevator hoistway 1, and an elevator machine room 2 is arranged at a position close to the upper side inside the elevator hoistway 1;
the embodiment of the invention is also provided with a traction system and a guide system, wherein the traction system mainly comprises a traction machine, a traction steel wire rope, a guide wheel and a diversion sheave; the main function of the traction system is to output and transmit power to enable the elevator to run; the guide system mainly comprises a guide rail, a guide shoe and a guide rail frame; the main function of the guide system is to limit the freedom of movement of the car and the counterweight, so that the car and the counterweight can only move up and down along the guide rail; the first covering case 4 and the second covering case 5 are connected through a wireless network;
a first signal receiving module, a data processing module, a signal adjusting module and a first signal transmitting module are arranged in the first covering case 4, and a second signal receiving module, a signal processing module, a statistical adjusting module and a second signal transmitting module are arranged in the second covering case 5;
the second signal receiving module is used for receiving control signal data, the control signal data are sent by an external elevator control console through a wireless network, the control signal data comprise control signal frequency and control signal amplitude, and the signal processing module is used for packaging the control signal data to obtain signal packaging data; the statistical adjustment module is used for acquiring distance data between the first covering case 4 and the second covering case 5 and mobile data of the first covering case 4, and combining the distance data and the mobile data to obtain statistical data, the second signal transmitting module is used for broadcasting signal packaging data according to the statistical data, and the specific steps include:
receiving the statistical data and the signal encapsulation data, acquiring distance data and movement data in the statistical data, and marking a distance value in the distance data as JZi, wherein i is 1,2.. n; marking the movement rate in the movement data as YSi, i ═ 1,2.. n; carrying out normalization processing on the marked distance value and the marked moving speed and obtaining values to obtain statistical processing data;
acquiring occupied memory of signal encapsulation data and marking the memory as ZNi, wherein i is 1,2.. n; carrying out normalization processing on the occupied memory of the mark and taking a value;
and calculating and acquiring an adjustment coefficient broadcasted by the second signal transmitting module by using a formula, wherein the formula is as follows:
wherein Q istxExpressed as an adjustment coefficient, a1, a2 and a3 are expressed as preset different proportionality coefficients, α is expressed as a preset adjustment correction factor, JZi0 is expressed as a preset standard distance value, YSi0 is expressed as a preset standard movement rate, ZNi0 is expressed as a preset standard occupied memory;
analyzing the adjustment coefficients, including:
matching the adjustment coefficient with a preset standard adjustment range, and if the adjustment coefficient is smaller than the minimum value of the standard adjustment range, judging that the intensity of the broadcast signal corresponding to the adjustment coefficient is low and needs to be enhanced and generating a first adjustment signal;
if the adjusting coefficient is not smaller than the minimum value of the standard adjusting range and not larger than the maximum value of the standard adjusting range, judging that the intensity of the broadcast signal corresponding to the adjusting coefficient is normal and does not need to be adjusted, and generating a second adjusting signal;
if the adjusting coefficient is larger than the maximum value of the standard adjusting range, judging that the intensity of the broadcast signal corresponding to the adjusting coefficient is higher and needs to be weakened, and generating a third adjusting signal;
combining the first adjustment signal, the second adjustment signal and the third adjustment signal to obtain an adjustment signal set;
the method comprises the following steps of utilizing an adjusting signal set to adjust the strength of a broadcast signal of a second signal transmitting module and broadcasting the broadcast signal, wherein the method comprises the following specific steps:
analyzing the adjustment signal set, if the adjustment signal set comprises a first adjustment signal, acquiring a difference value between the first adjustment signal and a preset standard adjustment range minimum value, setting a first adjustment label, searching and matching the first adjustment label in a preset intensity adjustment table to acquire a corresponding adjustment signal value, marking the adjustment signal value as first adjustment data, and enhancing the intensity of the broadcast signal according to the first adjustment data;
if the adjustment signal set contains a third adjustment signal, acquiring a difference value between the third adjustment signal and a preset standard adjustment range maximum value and setting the difference value as a second adjustment label, searching and matching the second adjustment label in a preset intensity adjustment table to acquire a corresponding adjustment signal value and marking the adjustment signal value as second adjustment data, and weakening the intensity of the broadcast signal according to the second adjustment data; wherein, the enhancement or reduction of the signal is realized by a signal amplifier or a signal reducer;
in the embodiment of the invention, the adjustment coefficient is obtained by collecting distance data and movement data and analyzing and calculating, and the intensity of the broadcast signal of the second signal transmitting module is adjusted by using the adjustment coefficient, so that the signal received by the first covering case 4 and the power consumption of signal transmission are kept in the optimal state;
the first signal receiving module is used for receiving the signal packaging data and sending the signal packaging data to the data processing module, the data processing module is used for processing the signal packaging data to obtain a processing data set, and the processing data set is sent to the signal adjusting module; the data processing module is used for processing the signal encapsulation data to obtain a processing data set, and the specific steps comprise:
acquiring control signal frequency and control signal amplitude in the signal encapsulation data, and marking the control signal frequency as KXPi, i is 1,2.. n; marking the control signal amplitude as KXFi, i ═ 1,2.. n; carrying out normalization processing value combination on the marked control signal frequency and the marked control signal amplitude to obtain signal processing data;
acquiring the total number of people in the elevator car 3, the frequency of the moving signal and the amplitude of the moving signal, and marking the total number of people as ZRSi, i is 1,2.. n; marking the mobile signal frequency as YXPi, i ═ 1,2.. n; marking the moving signal amplitude as YXFi, i ═ 1,2.. n; carrying out normalization processing and value combination on the marked headcount, the movement signal frequency and the movement signal amplitude to obtain environment processing data;
classifying and combining the signal processing data and the environment processing data to obtain a processing data set;
the signal adjusting module receives the processing data set, calculates and adjusts the processing data set to obtain signal adjusting data, and sends the signal adjusting data to the first signal transmitting module; the method comprises the following specific steps:
receiving a processing data set and acquiring control signal frequency KXPi, control signal amplitude KXFi, headcount ZRSi, moving signal frequency YXPi and moving signal amplitude YXFi subjected to marking processing;
and calculating and acquiring the enhancement coefficient transmitted by the first signal transmitting module by using a formula, wherein the formula is as follows:
wherein Q iszxExpressed as adjustment coefficients, g1, g2, g3 and g4 are expressed as preset different proportionality coefficients, KXPi0 is expressed as a preset standard control signal frequency, and KXFi0 is expressed as a preset standard control signal amplitude;
matching the enhancement coefficient with a preset standard enhancement threshold, and if the enhancement coefficient is not greater than the standard enhancement threshold, judging that signal enhancement is not needed when the first signal transmitting module transmits signals and generating first enhancement signals; if the enhancement coefficient is larger than the standard enhancement threshold, judging that signal enhancement is needed when the first signal transmitting module transmits signals and generating a second enhancement signal;
acquiring a ratio between an enhancement coefficient and a standard enhancement threshold according to the second enhancement signal, setting the ratio as an enhancement ratio, and enhancing the strength of a preset standard signal transmitted by the first signal transmitting module according to the enhancement ratio to obtain an enhancement signal;
performing correlation combination on the enhanced signal and the processing data set to obtain signal adjustment data;
the first signal emitting module receives the signal conditioning data and sends a signal to the elevator car 3.
In the embodiment of the invention, the first covering machine case 4 receives data sent by the second covering machine case 5, acquires and calculates the total number of people in the elevator car 3, the frequency of the moving signal and the amplitude of the moving signal to obtain the enhancement coefficient, and dynamically enhances the signal sent in the elevator car 3 through the enhancement coefficient, so that the signal received in the elevator car 3 keeps the best coverage, and the defect that the signal received in the elevator car 3 in the existing scheme is easily interfered and cannot be adjusted to cause poor coverage effect is overcome;
the working principle of the invention is as follows: in the embodiment of the invention, the first covering machine case 4, the second covering machine case 5 and the elevator car 3 are matched for use, so that the defects of long wiring, more loss, extremely low utilization rate, troublesome construction and larger potential safety hazard in the existing scheme can be overcome;
the purposes of analyzing signals in real time, dynamically broadcasting and adjusting signals and improving the signal coverage effect can be achieved through the matching use of a first signal receiving module, a data processing module, a signal adjusting module and a first signal transmitting module which are arranged in the first covering case 4 and the matching use of a second signal receiving module, a signal processing module, a statistical adjusting module and a second signal transmitting module which are arranged in the second covering case 5;
by collecting and processing and analyzing the control signal frequency, the control signal amplitude, the distance data, the movement data, the total number of people in the elevator car 3, the movement signal frequency and the movement signal amplitude, effective data support can be provided for adjustment of signal broadcasting, and the second signal transmitting module is used for broadcasting the signal packaging data according to statistical data;
using formulas
Calculating and acquiring an adjusting coefficient broadcasted by the second signal transmitting module, analyzing the adjusting coefficient, and comparing the adjusting coefficient with a preset standardMatching the quasi-adjustment range, and if the adjustment coefficient is smaller than the minimum value of the standard adjustment range, judging that the strength of the broadcast signal corresponding to the adjustment coefficient is low and needs to be enhanced and generating a first adjustment signal;
if the adjusting coefficient is not smaller than the minimum value of the standard adjusting range and not larger than the maximum value of the standard adjusting range, judging that the intensity of the broadcast signal corresponding to the adjusting coefficient is normal and does not need to be adjusted, and generating a second adjusting signal; if the adjusting coefficient is larger than the maximum value of the standard adjusting range, judging that the intensity of the broadcast signal corresponding to the adjusting coefficient is higher and needs to be weakened, and generating a third adjusting signal; combining the first adjustment signal, the second adjustment signal and the third adjustment signal to obtain an adjustment signal set; utilizing the adjusting signal set to adjust the intensity of the broadcasting signal of the second signal transmitting module and broadcasting, comprising: analyzing the adjustment signal set, if the adjustment signal set comprises a first adjustment signal, acquiring a difference value between the first adjustment signal and a preset standard adjustment range minimum value, setting a first adjustment label, searching and matching the first adjustment label in a preset intensity adjustment table to acquire a corresponding adjustment signal value, marking the adjustment signal value as first adjustment data, and enhancing the intensity of the broadcast signal according to the first adjustment data;
if the adjustment signal set contains a third adjustment signal, acquiring a difference value between the third adjustment signal and a preset standard adjustment range maximum value and setting the difference value as a second adjustment label, searching and matching the second adjustment label in a preset intensity adjustment table to acquire a corresponding adjustment signal value and marking the adjustment signal value as second adjustment data, and weakening the intensity of the broadcast signal according to the second adjustment data; using formulas
Calculating and obtaining an enhancement coefficient transmitted by a first signal transmitting module, matching the enhancement coefficient with a preset standard enhancement threshold, and if the enhancement coefficient is not greater than the standard enhancement threshold, judging that signal enhancement is not needed when the first signal transmitting module transmits a signal and generating a first enhancement signal; if the enhancement coefficient is larger than the standard enhancement threshold value, the first signal transmitting module is judged to transmitWhen the signal is received, signal enhancement is needed and a second enhanced signal is generated; acquiring a ratio between an enhancement coefficient and a standard enhancement threshold according to the second enhancement signal, setting the ratio as an enhancement ratio, and enhancing the strength of a preset standard signal transmitted by the first signal transmitting module according to the enhancement ratio to obtain an enhancement signal; the enhanced signals and the processing data set are combined in a correlation mode to obtain signal adjustment data, the first signal transmitting module is used for receiving the signal adjustment data and sending signals to the elevator car 3, and the broadcast effect of the signals in the elevator car 3 is enabled to be optimal through analyzing and adjusting the data collected by the first covering machine case 4 and the second covering machine case 5.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The digital frequency shift elevator signal covering equipment is characterized by comprising a first covering machine case (4) and a second covering machine case (5), wherein the first covering machine case (4) is positioned below the second covering machine case (5), the first covering machine case (4) is fixedly installed at the position, close to one side, of the upper end of an elevator car (3), the second covering machine case (5) is fixedly installed at the position, close to the upper side, of the inner side wall of an elevator hoistway (1), the elevator car (3) is arranged inside the elevator hoistway (1), and an elevator machine room (2) is arranged at the position, close to the upper side, of the inside of the elevator hoistway (1);
a first signal receiving module, a data processing module, a signal adjusting module and a first signal transmitting module are arranged in the first covering case (4), and a second signal receiving module, a signal processing module, a statistical adjusting module and a second signal transmitting module are arranged in the second covering case (5);
the second signal receiving module is used for receiving control signal data, the control signal data comprises control signal frequency and control signal amplitude, and the signal processing module is used for packaging the control signal data to obtain signal packaging data; the statistical adjustment module is used for acquiring distance data between the first covering case (4) and the second covering case (5) and mobile data of the first covering case (4) and combining the distance data and the mobile data to obtain statistical data, and the second signal transmitting module is used for broadcasting signal packaging data according to the statistical data; the method comprises the following steps: calculating to obtain an adjustment coefficient through distance data and mobile data in the statistical data, and adjusting the strength of the broadcast signal of the second signal transmitting module according to the adjustment coefficient and broadcasting;
the first signal receiving module is used for receiving the signal encapsulation data and sending the signal encapsulation data to the data processing module, and the data processing module is used for processing the signal encapsulation data to obtain the total number of people in the elevator car (3), the frequency of the moving signal and the amplitude of the moving signal; obtaining a processing data set according to the control signal frequency and the control signal amplitude in the signal encapsulation data and the total number of people in the elevator car (3), the moving signal frequency and the moving signal amplitude, obtaining an enhancement coefficient emitted by the first signal emitting module through analysis and calculation of the processing data set, obtaining signal adjustment data according to the enhancement coefficient, and sending the processing data set to the signal adjustment module;
the signal adjusting module receives the processing data set, calculates and adjusts the processing data set to obtain signal adjusting data, and sends the signal adjusting data to the first signal transmitting module;
the first signal transmitting module receives the signal adjustment data and sends a signal to the elevator car (3).
2. The digital frequency-shift elevator signal coverage equipment according to claim 1, wherein the second signal transmitting module is used for broadcasting the signal encapsulation data according to the statistical data, and the specific steps include:
s21: receiving the statistical data and the signal encapsulation data, acquiring distance data and movement data in the statistical data, and marking a distance value in the distance data as JZi, wherein i is 1,2.. n; marking the movement rate in the movement data as YSi, i ═ 1,2.. n; carrying out normalization processing on the marked distance value and the marked moving speed and obtaining values to obtain statistical processing data;
s22: acquiring occupied memory of signal encapsulation data and marking the memory as ZNi, wherein i is 1,2.. n; carrying out normalization processing on the occupied memory of the mark and taking a value;
s23: and calculating and acquiring an adjustment coefficient broadcasted by the second signal transmitting module by using a formula, wherein the formula is as follows:
wherein Q istxExpressed as an adjustment coefficient, a1, a2 and a3 are expressed as preset different proportionality coefficients, α is expressed as a preset adjustment correction factor, JZi0 is expressed as a preset standard distance value, YSi0 is expressed as a preset standard movement rate, ZNi0 is expressed as a preset standard occupied memory;
s24: analyzing the adjustment coefficients, including:
SS 241: matching the adjustment coefficient with a preset standard adjustment range, and if the adjustment coefficient is smaller than the minimum value of the standard adjustment range, judging that the intensity of the broadcast signal corresponding to the adjustment coefficient is low and needs to be enhanced and generating a first adjustment signal;
SS 242: if the adjusting coefficient is not smaller than the minimum value of the standard adjusting range and not larger than the maximum value of the standard adjusting range, judging that the intensity of the broadcast signal corresponding to the adjusting coefficient is normal and does not need to be adjusted, and generating a second adjusting signal;
SS 243: if the adjusting coefficient is larger than the maximum value of the standard adjusting range, judging that the intensity of the broadcast signal corresponding to the adjusting coefficient is higher and needs to be weakened, and generating a third adjusting signal;
and SS 244: combining the first adjustment signal, the second adjustment signal and the third adjustment signal to obtain an adjustment signal set;
s25: and adjusting the strength of the broadcast signal of the second signal transmitting module by using the adjusting signal set and broadcasting.
3. The digital frequency-shift elevator signal coverage equipment according to claim 2, wherein the second signal transmitting module is adapted to broadcast the broadcast signal by using the adjusting signal set, and the specific steps include:
s31: analyzing the adjustment signal set, if the adjustment signal set comprises a first adjustment signal, acquiring a difference value between the first adjustment signal and a preset standard adjustment range minimum value, setting a first adjustment label, searching and matching the first adjustment label in a preset intensity adjustment table to acquire a corresponding adjustment signal value, marking the adjustment signal value as first adjustment data, and enhancing the intensity of the broadcast signal according to the first adjustment data;
s32: if the adjustment signal set contains a third adjustment signal, obtaining a difference value between the third adjustment signal and a preset standard adjustment range maximum value and setting the difference value as a second adjustment label, searching and matching the second adjustment label in a preset intensity adjustment table to obtain a corresponding adjustment signal value and marking the adjustment signal value as second adjustment data, and weakening the intensity of the broadcast signal according to the second adjustment data.
4. The digital frequency-shift elevator signal overlay apparatus of claim 3 wherein the data processing module is configured to perform a processing operation on the signal encapsulated data to obtain a processed data set, the specific steps comprising:
s41: acquiring control signal frequency and control signal amplitude in the signal encapsulation data, and marking the control signal frequency as KXPi, i is 1,2.. n; marking the control signal amplitude as KXFi, i ═ 1,2.. n; carrying out normalization processing value combination on the marked control signal frequency and the marked control signal amplitude to obtain signal processing data;
s42: acquiring the total number of people in an elevator car (3), the frequency of a moving signal and the amplitude of the moving signal, and marking the total number of people as ZRSi, i is 1,2.. n; marking the mobile signal frequency as YXPi, i ═ 1,2.. n; marking the moving signal amplitude as YXFi, i ═ 1,2.. n; carrying out normalization processing and value combination on the marked headcount, the movement signal frequency and the movement signal amplitude to obtain environment processing data;
s43: and classifying and combining the signal processing data and the environment processing data to obtain a processing data set.
5. The digital frequency-shifting elevator signal overlay apparatus of claim 4 wherein the signal conditioning module receives the processed data set and performs calculations and adjustments thereon to obtain signal conditioning data, the specific steps comprising:
s51: receiving a processing data set and acquiring control signal frequency KXPi, control signal amplitude KXFi, headcount ZRSi, moving signal frequency YXPi and moving signal amplitude YXFi subjected to marking processing;
s52: and calculating and acquiring the enhancement coefficient transmitted by the first signal transmitting module by using a formula, wherein the formula is as follows:
wherein Q iszxExpressed as adjustment coefficients, g1, g2, g3 and g4 are expressed as preset different proportionality coefficients, KXPi0 is expressed as a preset standard control signal frequency, and KXFi0 is expressed as a preset standard control signal amplitude;
s53: matching the enhancement coefficient with a preset standard enhancement threshold, and if the enhancement coefficient is not greater than the standard enhancement threshold, judging that signal enhancement is not needed when the first signal transmitting module transmits signals and generating first enhancement signals; if the enhancement coefficient is larger than the standard enhancement threshold, judging that signal enhancement is needed when the first signal transmitting module transmits signals and generating a second enhancement signal;
s54: acquiring a ratio between an enhancement coefficient and a standard enhancement threshold according to the second enhancement signal, setting the ratio as an enhancement ratio, and enhancing the strength of a preset standard signal transmitted by the first signal transmitting module according to the enhancement ratio to obtain an enhancement signal;
s55: and performing correlation combination on the enhanced signal and the processing data set to obtain signal adjustment data.
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