CN118317331B - A method, apparatus and elevator bridge device for adjusting radio frequency signal strength - Google Patents

A method, apparatus and elevator bridge device for adjusting radio frequency signal strength

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Publication number
CN118317331B
CN118317331B CN202211734858.1A CN202211734858A CN118317331B CN 118317331 B CN118317331 B CN 118317331B CN 202211734858 A CN202211734858 A CN 202211734858A CN 118317331 B CN118317331 B CN 118317331B
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CN
China
Prior art keywords
radio frequency
elevator
signal
signal strength
elevator bridge
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Application number
CN202211734858.1A
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Chinese (zh)
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CN118317331A (en
Inventor
黄子兴
吴文凤
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Ruijie Networks Co Ltd
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Ruijie Networks Co Ltd
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Priority to CN202211734858.1A priority Critical patent/CN118317331B/en
Publication of CN118317331A publication Critical patent/CN118317331A/en
Application granted granted Critical
Publication of CN118317331B publication Critical patent/CN118317331B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • H04L12/462—LAN interconnection over a bridge based backbone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • H04W16/20—Network planning tools for indoor coverage or short range network deployment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

The embodiment of the application provides a method and a device for adjusting the intensity of a radio frequency signal and elevator network bridge equipment, wherein the method comprises the steps of monitoring the signal intensity value of the radio frequency signal received by the elevator network bridge equipment at a radio frequency signal receiving end; and if so, transmitting the radio frequency signal to the radio frequency device in a radio frequency coupling mode, wherein the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold. After the application monitors that the signal intensity value of the radio frequency signal received by the elevator bridge equipment at the radio frequency signal receiving end is larger than the first signal intensity threshold value, the radio frequency signal is sent to the radio frequency device in a radio frequency coupling mode, and the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold value, so that the radio frequency signal intensity sent to the radio frequency device can be reduced, the signal intensity value is in the optimal level range which can be received by the radio frequency device, and the reliability of the signal transmission of the elevator bridge equipment is further improved.

Description

Radio frequency signal intensity adjusting method and device and elevator network bridge equipment
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for adjusting radio frequency signal strength, and an elevator bridge device.
Background
The wireless network bridge, as the name implies, is the bridging of a wireless network, and uses a wireless transmission mode to bridge communication between two or more networks, thereby realizing the construction of the wireless network. Wireless bridges are often used in locations without wiring conditions such as wireless monitoring, bridging of information systems, elevator monitoring, field monitoring, etc.
The elevator network bridge is widely used in elevator monitoring, security protection and short-distance data communication, and the radio frequency receiving parameters of the elevator network bridge have great influence on signal transmission. For the elevator bridge device, when the elevator rises to the topmost end, the signal intensity is large, because the radio frequency device in the elevator bridge device has a threshold value of maximum received signal intensity, if the received signal intensity exceeds the threshold value, the radio frequency device cannot successfully identify the signal, and then the radio frequency device in the elevator bridge device can be blocked to influence the transmission of the radio frequency signal, so that video monitoring in the elevator is blocked.
Disclosure of Invention
The embodiment of the application provides a radio frequency signal intensity adjusting method and device and elevator network bridge equipment, which are used for improving the reliability of signal transmission of the elevator network bridge equipment.
In a first aspect, an embodiment of the present application provides a signal strength adjustment method, applied to an elevator bridge device, including:
Monitoring a signal intensity value of a radio frequency signal received by the elevator bridge equipment at a radio frequency signal receiving end;
judging whether the signal intensity value is larger than a first signal intensity threshold value or not;
If yes, the radio frequency signal is sent to a radio frequency device in a radio frequency coupling mode, wherein the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold value.
Optionally, the elevator bridge device includes a coupling module, where the coupling module is a module connected between the radio frequency signal receiving end and the radio frequency device;
the method for transmitting the radio frequency signal to a radio frequency device in a radio frequency coupling mode comprises the following steps:
and transmitting the radio frequency signal to the radio frequency device in a radio frequency coupling mode through the coupling module.
Optionally, the coupling module includes a radio frequency switch and a first resistor, and an input end of the radio frequency switch is connected with the radio frequency signal receiving end;
The transmitting the radio frequency signal to the radio frequency device in a radio frequency coupling manner through the coupling module comprises the following steps:
The first conduction end of the radio frequency switch is connected with the radio frequency device, and the second conduction end of the radio frequency switch is connected with a grounding point through the first resistor.
Optionally, after the control radio frequency switch is switched from the first conducting end to the second conducting end, the control radio frequency switch further includes:
And if the signal intensity value is less than or equal to a second signal intensity threshold value, controlling the radio frequency switch to be switched from the second conducting end to the first conducting end.
Optionally, if the elevator bridge device is plural, the method further comprises:
monitoring a negotiation speed value of any elevator bridge equipment aiming at the elevator bridge equipment;
Determining at least two target elevator bridge devices based on the negotiated rate value;
and switching the working channels of the at least two target elevator bridge devices based on a preset channel allocation rule.
Optionally, the determining at least two target elevator bridge devices based on the negotiated speed value includes:
and if the negotiation speed values of the at least two elevator bridge devices are smaller than the negotiation speed threshold value, determining that the at least two elevator bridge devices are target elevator bridge devices.
Optionally, the switching the working channels of the at least two target elevator bridge devices based on a preset channel allocation rule includes:
each target elevator bridge device is assigned a different frequency operating channel such that each target elevator bridge device switches according to the assigned operating channel.
In a second aspect, an embodiment of the present application further provides a radio frequency signal strength adjustment device, including:
The monitoring unit is used for monitoring the signal intensity value of the radio frequency signal received by the elevator network bridge equipment at the radio frequency signal receiving end;
the judging unit is used for judging whether the signal intensity value is larger than a first signal intensity threshold value or not;
And the coupling unit is used for transmitting the radio frequency signal to a radio frequency device in a radio frequency coupling mode when the signal intensity value is larger than the first signal intensity threshold value, wherein the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold value.
Optionally, the elevator bridge device includes a coupling module, where the coupling module is a module connected between the radio frequency signal receiving end and the radio frequency device;
The coupling unit is specifically configured to:
and transmitting the radio frequency signal to the radio frequency device in a radio frequency coupling mode through the coupling module.
Optionally, the coupling module includes a radio frequency switch and a first resistor, and an input end of the radio frequency switch is connected with the radio frequency signal receiving end;
The coupling unit is specifically configured to:
The first conduction end of the radio frequency switch is connected with the radio frequency device, and the second conduction end of the radio frequency switch is connected with a grounding point through the first resistor.
Optionally, the coupling unit is further configured to:
And if the signal intensity value is less than or equal to a second signal intensity threshold value, controlling the radio frequency switch to be switched from the second conducting end to the first conducting end.
Optionally, if the elevator bridge device is plural, the monitoring unit is further configured to:
monitoring a negotiation speed value of any elevator bridge equipment aiming at the elevator bridge equipment;
the judging unit is also used for determining at least two target elevator bridge devices based on the negotiation speed value and switching the working channels of the at least two target elevator bridge devices based on a preset channel allocation rule.
Optionally, the judging unit is specifically configured to:
and if the negotiation speed values of the at least two elevator bridge devices are smaller than the negotiation speed threshold value, determining that the at least two elevator bridge devices are target elevator bridge devices.
Optionally, the judging unit is specifically configured to:
each target elevator bridge device is assigned a different frequency operating channel such that each target elevator bridge device switches according to the assigned operating channel.
In a third aspect, embodiments of the present application also provide an elevator bridge device, comprising a memory and a processor;
The memory is used for storing instructions;
The processor is configured to execute the memory-stored instructions that, when executed by the processor, cause the elevator bridge device to perform the method of any of the first aspects.
In a fourth aspect, embodiments of the present application also provide a computer storage medium having instructions stored therein, which when run on a computer, cause the computer to perform the method according to any of the first aspects.
In a fifth aspect, embodiments of the present application also provide an elevator bridge system, comprising a first elevator bridge device and a second elevator bridge device;
the first elevator bridge device is configured to send a radio frequency signal to the second elevator bridge device;
The second elevator bridge device is configured to receive the radio frequency signal, and when the signal strength of the radio frequency signal is greater than a first signal strength threshold, send the radio frequency signal to a radio frequency device in the second elevator bridge device in a radio frequency coupling manner, where the signal strength coupled to the radio frequency device is less than or equal to the first signal strength threshold.
The embodiment of the application provides a radio frequency signal intensity adjusting method, a device and an elevator network bridge device, wherein the radio frequency signal intensity adjusting method comprises the steps of monitoring a signal intensity value of a radio frequency signal received by the elevator network bridge device at a radio frequency signal receiving end; and if so, transmitting the radio frequency signal to the radio frequency device in a radio frequency coupling mode, wherein the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold. After the application monitors that the signal intensity value of the radio frequency signal received by the elevator bridge equipment at the radio frequency signal receiving end is larger than the first signal intensity threshold value, the radio frequency signal is sent to the radio frequency device in a radio frequency coupling mode, and the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold value, so that the radio frequency signal intensity sent to the radio frequency device can be reduced, the signal intensity value is in the optimal level range which can be received by the radio frequency device, and the reliability of the signal transmission of the elevator bridge equipment is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic layout of an elevator bridge in the related art;
fig. 2 is a schematic block diagram of an elevator bridge device provided by an embodiment of the present application;
Fig. 3 is a schematic circuit diagram of an elevator bridge device according to an embodiment of the present application;
Fig. 4 is a schematic diagram of a multi-path rf switch according to an embodiment of the present application;
Fig. 5 is a flow chart of a method for adjusting radio frequency signal strength according to an embodiment of the present application;
fig. 6 is a schematic diagram of a high-density arrangement of an elevator bridge according to an embodiment of the present application;
FIG. 7a is a diagram showing the frequency correspondence of each channel of 2.4G in the related art;
FIG. 7b is a diagram showing the frequency correspondence of each channel of the related art 5G;
Fig. 8 is a schematic structural diagram of a radio frequency signal strength adjusting device according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of an elevator bridge device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the application, fall within the scope of protection of the application.
The installation environment of the elevator bridge is relatively complex, and the distance between bridge devices is not well controlled during installation. As shown in fig. 1, a layout diagram of an elevator bridge in the related art is shown, where the elevator bridge includes a wireless access Point (english: WIRELESS ACCESS Point, abbreviated AP) and customer premises equipment (english: customer Premise Equipment, abbreviated CPE), and for the elevator bridge, the AP and the CPE exist in pairs, and are in one-to-one correspondence, and because the structures of the AP and the CPE are identical, the roles of the AP and the CPE can be interchanged, in general, the AP is installed at the top of an elevator hoistway, the CPE is installed at the top of an elevator car, the AP and the CPE mutually transmit and receive signals, the distance between the AP and the CPE is closer in the ascending process of the elevator car in the elevator hoistway, the signal strength is also greater, and when the elevator car runs to the top of the elevator car, the signal strength is the greatest. Because in the installation environment of the elevator shaft, the installation distance between the AP and the CPE closest to the situation is uncertain, if the installation distance between the AP and the CPE closest to the situation (i.e. the distance between the AP and the CPE when the elevator car rises to the highest position) is very close, the signal strength of the elevator car is possibly too high in the rising process, so that the signal strength exceeds the threshold value of the maximum received signal strength of the radio frequency devices in the AP or the CPE, the radio frequency devices in the elevator bridge equipment AP and the CPE are blocked when receiving the radio frequency signals, and the transmission of the radio frequency signals is affected, thereby causing video monitoring and blocking in the elevator.
In order to solve the above problems, an embodiment of the present application provides a method for adjusting radio frequency signal strength, where a coupling module is added in an elevator bridge, and meanwhile, signal strength is monitored in real time, and when the signal strength has exceeded an optimal receiving level of a radio frequency device, the coupling module is pulled to a ground terminal, and the signal strength received by the radio frequency device is enabled to be within an optimal level range by a radio frequency coupling function of the coupling module itself.
As shown in fig. 2, a schematic block diagram of an elevator bridge device according to an embodiment of the present application is provided, a coupling Module is connected in series between a radio frequency signal receiving End and a radio frequency device, and in a normal state, the coupling Module is connected in series with a low noise Amplifier (english: low Noise Amplifier, abbreviated as LNA), a Power Amplifier (english: power Amplifier, abbreviated as PA), a radio frequency Front-End Module (english: RF Front-End Module, abbreviated as FEM), a MAC baseband chip, and other radio frequency devices (labeled as LNA/PA/FEM/MAC in fig. 2), respectively, and after a central processing unit (english: central Processing Unit, abbreviated as CPU) outputs a corresponding control signal, the coupling Module is switched to a ground point.
After the coupling module is switched to the grounding point, due to the radio frequency coupling function of the coupling module, radio frequency signals can still be transmitted to devices such as LNA/PA/FEM/MAC and the like, the level value can be reduced by about 20dB, for example, the level value can be between 15dB and 25dB, the specifically reduced level value is realized through the first resistor in the coupling module, the reduced signal intensity value can be regulated by changing the resistance value of the first resistor, if the resistance value of the first resistor is 0, the reduced level value is minimum and is 15dB, the resistance value of the first resistor is improved, the reduced level value is increased but is not more than 25dB at maximum, the reduced level value can meet the signal input of the radio frequency devices according to actual conditions, and the situation of blocking is prevented.
The coupling module in the application can comprise a radio frequency switch and a first resistor, and it is worth noting that the coupling module can be a device capable of realizing radio frequency coupling besides the radio frequency switch, for example, a programmable diode, a programmable resistor and the like.
As shown in fig. 3, a schematic circuit structure of an elevator bridge device according to an embodiment of the present application is shown. The RX_IN is a radio frequency signal receiving end, the radio frequency signal Input is an antenna receiving Input, and the radio frequency signal receiving end is mainly used for receiving radio frequency signals; C1/C2/C3 forms capacitive pi-type filtering, typically placed near the antenna feed line end; pi-type filtering between C4/R2/C5 to form C-R-C is usually close to the radio frequency switch; the Control Input is a CPU Control signal output end, the output is normally high level, when the Control of the radio frequency switch is needed, the output is low level, the radio frequency switch can be a Control device such as a switch, a radio frequency analog switch and the like, the selected radio frequency switch has a wide working frequency range, IN a network bridge WiFi signal, the normal signal frequency is 2.4 GHz-2.4835 GHz or 5.15 GHz-5.85 GHz, one of the radio frequency switch is selected on the use of the network bridge, the selected radio frequency switch has low insertion loss and good isolation, the switching response speed is high, a first resistor R3 is connected with a second conducting end (normally open end) of the radio frequency switch, the signal of the second conducting end is connected to the second conducting end, the size of the first resistor R3 can be adjusted to realize the strength of a coupling signal of a first conducting end (normally closed end) of the radio frequency switch, the first resistor R3 is normally set to be a0 omega resistor, the coupling signal of a rear end is greatly increased, the strength of the coupling signal of the rear end is greatly increased, the first resistor R3 is filtered OUT, the front-end of the radio frequency filter circuit comprises a radio frequency filter circuit, the front-end of the radio frequency filter circuit comprises a radio frequency filter stage C7/an LNA, the front-end of the radio frequency filter circuit is reduced, the front of the radio frequency filter circuit is connected with the filter circuit, the front-end of the filter circuit is a filter circuit, and the front-end of the filter circuit is a filter circuit, and the filter circuit is a filter circuit, and has a filter circuit, and is a circuit and an circuit and is a circuit and an circuit and an is circuit and an is circuit and a is circuit and a is and a is and is and a is and a and is and a and C and, the radio frequency device is used for performing processing such as amplification on a received radio frequency signal, if the intensity of the radio frequency signal received by the radio frequency device is too high, the radio frequency device can be blocked, so that when the intensity of the radio frequency signal received by the radio frequency signal receiving end RX_IN is too high, the intensity of the radio frequency signal needs to be reduced to ensure that the intensity of the radio frequency signal output by RX_OUT is reduced, and further the intensity of the radio frequency signal input to the radio frequency device can not be blocked.
It should be noted that in practical applications, for an elevator bridge device (AP or CPE), there are multiple paths of received signals in a WiFi radio frequency link, and multiple paths of radio frequency switches may be used to switch, as shown in fig. 4, where the strength of the received radio frequency signals in each path is completely consistent with the control process of the radio frequency switches.
The following describes a method for adjusting the radio frequency signal strength according to an embodiment of the present application.
As shown in fig. 5, a method for adjusting radio frequency signal intensity according to an embodiment of the present application is applied to an elevator bridge device, and includes the following steps:
S501, monitoring a signal intensity value of a radio frequency signal received by the elevator bridge equipment at a radio frequency signal receiving end;
S502, judging whether the signal intensity value is larger than a first signal intensity threshold value, if so, transmitting the radio frequency signal to the radio frequency device in a radio frequency coupling mode, wherein the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold value.
According to the radio frequency signal intensity adjusting method provided by the embodiment of the application, firstly, the signal intensity value of a radio frequency signal received by elevator network bridge equipment at a radio frequency signal receiving end is monitored, then whether the signal intensity value is larger than a first signal intensity threshold value is judged, if so, the radio frequency signal is sent to a radio frequency device in a radio frequency coupling mode, wherein the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold value. After the application monitors that the signal intensity value of the radio frequency signal received by the elevator bridge equipment at the radio frequency signal receiving end is larger than the first signal intensity threshold value, the radio frequency signal is sent to the radio frequency device in a radio frequency coupling mode, and the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold value, so that the radio frequency signal intensity sent to the radio frequency device can be reduced, the signal intensity value is in the optimal level range which can be received by the radio frequency device, and the reliability of the signal transmission of the elevator bridge equipment is further improved.
The first signal strength threshold may be set according to a maximum level that can be received by the rf device, for example, if the maximum level of the signal strength that can be received by the rf device is-10 dB, and signal blocking may occur beyond-10 dB, then the signal strength threshold may be set to-10 dB.
In a specific implementation, the elevator bridge device may include a coupling module, as shown in fig. 2, where the coupling module is a module connected between the rf signal receiving end and the rf device, and the embodiment of the present application sends the rf signal to the rf device through the coupling module in a rf coupling manner.
Specifically, as shown IN fig. 3, the coupling module may include a radio frequency switch and a first resistor R3, where an input end of the radio frequency switch is connected to a radio frequency signal receiving end rx_in, a first conducting end of the radio frequency switch is connected to a radio frequency device (rx_out is connected to the radio frequency device at a later stage), and a second conducting end of the radio frequency switch is connected to a ground GND through the first resistor R3;
the radio frequency signal is sent to the radio frequency device in a radio frequency coupling mode through the coupling module, and specifically, the radio frequency switch is controlled to be switched from the first conducting end to the second conducting end.
By controlling the radio frequency switch to switch from the first conducting end to the second conducting end, the radio frequency coupling function of the radio frequency switch can be utilized, so that the signal intensity received by the radio frequency device is reduced, and the signal intensity value is in the optimal level range.
In a specific implementation, after the control radio frequency switch is switched from the first conducting end to the second conducting end, if the signal intensity value is determined to be less than or equal to the second signal intensity threshold value, the control radio frequency switch is switched from the second conducting end to the first conducting end.
The second signal intensity threshold may also be set according to practical situations, for example, may be set to-40 db, for example, when the elevator detects that the signal intensity value is-9 db (greater than-10 db) at a certain position in the rising process, at this time, the CPU controls the radio frequency switch to switch from the first conducting end to the second conducting end, the signal intensity value is reduced to-34 db, and as the elevator rises, the signal intensity value continues to rise, but generally cannot rise to more than-10 db again, and then the elevator drops, the signal intensity value is reduced, and when the signal intensity value is detected to be less than or equal to-40 db, the radio frequency switch is controlled to switch back from the second conducting end to the first conducting end again, so as to ensure the quality of the radio frequency signal, and avoid that the strength of the radio frequency signal is too low to cause incapacity of communication.
IN a specific implementation, the application can also connect a Light-Emitting Diode (abbreviated as LED) lamp at an input/output (English: IN OUT) port of the CPU, and realize the prompt of signal intensity and communication state by connecting the LED lamp. For example, the LED lamp performs switch control through the IO port of the CPU, and when the negotiation rate of the bridge communication is higher than the negotiation rate threshold and the signal strength is less than or equal to the first signal strength threshold, the green LED lamp is turned on, otherwise the red LED lamp is turned on.
It should be noted that, the method for adjusting the radio frequency signal strength provided by the embodiment of the application can be applied to any one device in the elevator bridge, for example, can be simply applied to a CPE end, can be simply applied to an AP end, and can be simultaneously applied to the AP end and the CPE end. As an example, for example, the method is simply applied to an AP end, after the CPE end collects video data in the elevator cage, the signal is sent to the AP end, and then the AP end uses the radio frequency signal intensity adjusting method provided by the embodiment of the present application to adjust the signal intensity, so as to ensure that the radio frequency device in the AP end will not cause reception blocking. In fact, the structures of the AP end and the CPE end are the same, and the roles of the AP end and the CPE end can be interchanged.
In a specific implementation, there may be multiple pairs of elevator bridge devices in a system, i.e. there is a high-density situation, as shown in fig. 6, which is a schematic diagram of the high-density situation of the elevator bridges. Wherein AP1 and CPE1 are one pair of bridges of one of the elevator shafts, thereby expanding to Apn and CPEn, where n≥2, in which arrangement it is easy for the frequencies of the channels used by at least two pairs of bridges to be relatively close, thereby causing interference with each other.
According to the application, the AP1 and the AP2 are utilized to connect with an AC controller (specifically, the switch or the gateway is used), the working state of the network bridge is monitored through cloud service, the state of the network bridge in the whole area is displayed at the cloud, the logarithm of the current network bridge is detected, then the negotiation condition and the interference condition between each pair of network bridges are displayed, the network bridges which are interfered are staggered in a channel, the state between each pair of current network bridges is continuously detected after the staggered, and if the interference problem is solved, the network bridge deployment is finished.
In a specific implementation, if there are multiple elevator bridge devices (for example, APs), the negotiation speed value of the elevator bridge device is monitored for any one elevator bridge device, for example, there are 4 APs (AP 1, AP2, AP3, AP 4), where the negotiation speed value of AP1 is 600Mbps, the negotiation speed value of AP2 is 600Mbps, the negotiation speed value of AP3 is 1200Mbps, and the negotiation speed value of AP4 is 1200Mbps.
And determining at least two target elevator bridge devices based on the negotiation speed values, specifically, if the negotiation speed values of the at least two elevator bridge devices are smaller than the negotiation speed threshold value, determining that the at least two elevator bridge devices are target elevator bridge devices, for example, the negotiation speed threshold value is set to 1200Mbps, and the lower than 1200Mbps represents that signal transmission is interfered, wherein the negotiation speed values of the above AP1 and the AP2 are smaller than 1200Mbps, which means that interference exists between the AP1 and the AP 2.
Finally, switching the working channels of at least two target elevator bridge devices based on a preset channel allocation rule; specifically, each target elevator bridge device may be assigned an operating channel having a different frequency such that each target elevator bridge device switches according to the assigned operating channel.
As an illustration, as shown in fig. 7a, in the related art, the frequency correspondence of each channel of 2.4G is shown, there are 13 channels in total, the center frequencies corresponding to each channel are different, and the frequencies of channels 1-13 are sequentially increased, for example, channels 1-7 can be used as one packet (first channel packet), channels 8-13 can be used as another packet (second channel packet), and if interference exists between AP1 and AP2, the channels of AP1 and AP2 can be staggered, at this time, AP1 can be controlled to switch any one of the first channel packets, and AP2 can be controlled to switch any one of the second channel packets, so as to realize the staggering of the channels of AP1 and AP2, and solve the problem of interference between AP1 and AP 2. After the switching is finished, the negotiation rate of each path of AP is continuously monitored, and if the AP with mutual interference is found again, the channel staggering is continuously carried out until the interference problem is solved.
As another illustration, as shown in fig. 7b, which is a frequency correspondence diagram of each channel of 5G in the related art, since the wireless bridge device can operate on any one of the channels of 2.4G and 5G, the channels of 5G may be grouped, for example, the channels 36-64 are grouped as a third channel, the channels 100-140 are grouped as a fourth channel, and the channels 149-165 are grouped as a fifth channel.
The grouping method can be determined according to the number of the actual elevator bridge devices, and the general grouping principle is that the elevator bridge devices subjected to interference are subjected to channel staggering according to the magnitude relation of the center frequency.
The radio frequency signal intensity adjusting method provided by the embodiment of the application can effectively solve the problem of radio frequency receiving blocking of the elevator network bridge under the condition of close distance, and can effectively solve the interference between equipment in the high-density scene of a plurality of network bridges, and in addition, the elevator network bridge is installed without worrying about the condition of too close distance, thereby reducing the equipment installation time.
The embodiment of the application also provides an elevator network bridge system, which comprises a first elevator network bridge device and a second elevator network bridge device;
the first elevator bridge device is configured to send a radio frequency signal to the second elevator bridge device;
The second elevator bridge device is configured to receive the radio frequency signal, and when the signal strength of the radio frequency signal is greater than a first signal strength threshold, send the radio frequency signal to a radio frequency device in the second elevator bridge device in a radio frequency coupling manner, where the signal strength coupled to the radio frequency device is less than or equal to the first signal strength threshold.
Based on the same application conception, the embodiment of the application also provides a device for adjusting the radio frequency signal strength, and the implementation of the device can be referred to the implementation of the method, and the repetition is omitted. As shown in fig. 8, the radio frequency signal intensity adjusting device includes:
A monitoring unit 801, configured to monitor a signal strength value of a radio frequency signal received by an elevator bridge device at a radio frequency signal receiving end;
a determining unit 802, configured to determine whether the signal strength value is greater than a first signal strength threshold;
and a coupling unit 803, configured to transmit the radio frequency signal to the radio frequency device in a radio frequency coupling manner when the signal strength value is greater than the first signal strength threshold, where the signal strength coupled to the radio frequency device is less than or equal to the first signal strength threshold.
Optionally, the elevator bridge device comprises a coupling module, wherein the coupling module is a module connected between the radio frequency signal receiving end and the radio frequency device;
The coupling unit 803 specifically serves to:
and transmitting the radio frequency signal to the radio frequency device in a radio frequency coupling mode through the coupling module.
Optionally, the coupling module comprises a radio frequency switch and a first resistor, and an input end of the radio frequency switch is connected with the radio frequency signal receiving end;
The coupling unit 803 specifically serves to:
the first conducting end of the radio frequency switch is connected with the radio frequency device, and the second conducting end of the radio frequency switch is connected with the grounding point through a first resistor.
Optionally, the coupling unit 803 is further configured to:
And if the signal intensity value is less than or equal to the second signal intensity threshold value, controlling the radio frequency switch to be switched from the second conducting end to the first conducting end.
Optionally, if the elevator bridge device is plural, the monitoring unit 801 is further configured to:
monitoring the negotiation speed value of the elevator network bridge equipment aiming at any elevator network bridge equipment;
The judging unit 802 is further configured to determine at least two target elevator bridge devices based on the negotiated rate value, and switch the operating channels of the at least two target elevator bridge devices based on a preset channel allocation rule.
Optionally, the judging unit 802 is specifically configured to:
And if the negotiation speed values of the at least two elevator bridge devices are smaller than the negotiation speed threshold value, determining that the at least two elevator bridge devices are target elevator bridge devices.
Optionally, the judging unit 802 is specifically configured to:
each target elevator bridge device is assigned a different frequency operating channel such that each target elevator bridge device switches according to the assigned operating channel.
Based on the same application conception, the embodiment of the application also provides an elevator bridge device, and the implementation of the elevator bridge device can be referred to the implementation of the method, and the repetition is omitted. As shown in fig. 9, the elevator bridge device includes a memory 901 and a processor 902;
the memory 901 is used for storing instructions;
the processor 902 is configured to execute instructions stored in the memory 901, which when executed by the processor 902 causes the apparatus to perform the method of radio frequency signal strength adjustment of any one of the above.
Further, an embodiment of the present application further provides a computer storage medium, where instructions are stored, which when executed on a computer, cause the computer to perform the method for adjusting the radio frequency signal strength of any one of the above.
The embodiment of the application provides a method and a device for adjusting the intensity of a radio frequency signal and elevator network bridge equipment, wherein the method comprises the steps of monitoring the signal intensity value of the radio frequency signal received by the elevator network bridge equipment at a radio frequency signal receiving end; and if so, transmitting the radio frequency signal to the radio frequency device in a radio frequency coupling mode, wherein the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold. After the application monitors that the signal intensity value of the radio frequency signal received by the elevator bridge equipment at the radio frequency signal receiving end is larger than the first signal intensity threshold value, the radio frequency signal is sent to the radio frequency device in a radio frequency coupling mode, and the signal intensity coupled to the radio frequency device is smaller than or equal to the first signal intensity threshold value, so that the radio frequency signal intensity sent to the radio frequency device can be reduced, the signal intensity value is in the optimal level range which can be received by the radio frequency device, and the reliability of the signal transmission of the elevator bridge equipment is further improved.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (9)

1.一种射频信号强度调节方法，应用于电梯网桥设备，其特征在于，包括：1. A method for adjusting radio frequency signal strength, applied to elevator network bridge equipment, characterized in that it comprises: 监测所述电梯网桥设备在射频信号接收端接收到的射频信号的信号强度值；Monitor the signal strength value of the radio frequency signal received by the elevator bridge equipment at the radio frequency signal receiving end; 判断所述信号强度值是否大于第一信号强度阈值；Determine whether the signal strength value is greater than a first signal strength threshold; 若是，将所述射频信号以射频耦合的方式发送至射频器件，其中，耦合至所述射频器件的信号强度小于或等于所述第一信号强度阈值；其中，所述将所述射频信号以射频耦合的方式发送至射频器件，包括：If so, the radio frequency signal is transmitted to the radio frequency device via radio frequency coupling, wherein the signal strength coupled to the radio frequency device is less than or equal to the first signal strength threshold; wherein, transmitting the radio frequency signal to the radio frequency device via radio frequency coupling includes: 将所述射频信号通过耦合模块以射频耦合的方式发送至所述射频器件。The radio frequency signal is transmitted to the radio frequency device via a coupling module in a radio frequency coupling manner. 2.如权利要求1所述的方法，其特征在于，所述耦合模块包括射频开关和第一电阻，所述射频开关的输入端与所述射频信号接收端连接；2. The method as described in claim 1, wherein the coupling module includes a radio frequency switch and a first resistor, and the input terminal of the radio frequency switch is connected to the radio frequency signal receiving terminal; 所述将所述射频信号通过耦合模块以射频耦合的方式发送至所述射频器件，包括：The step of transmitting the radio frequency signal to the radio frequency device via a coupling module in a radio frequency coupling manner includes: 控制所述射频开关由第一导通端切换至第二导通端；所述射频开关的第一导通端与所述射频器件连接，所述射频开关的第二导通端通过所述第一电阻与接地点连接。The radio frequency switch is controlled to switch from the first conducting terminal to the second conducting terminal; the first conducting terminal of the radio frequency switch is connected to the radio frequency device, and the second conducting terminal of the radio frequency switch is connected to the ground point through the first resistor. 3.如权利要求2所述的方法，其特征在于，所述控制所述射频开关由第一导通端切换至第二导通端后，还包括：3. The method as described in claim 2, characterized in that, after controlling the radio frequency switch to switch from the first conducting terminal to the second conducting terminal, it further includes: 若确定所述信号强度值小于或等于第二信号强度阈值，则控制所述射频开关由所述第二导通端切换至所述第一导通端。If the signal strength value is determined to be less than or equal to the second signal strength threshold, then the radio frequency switch is controlled to switch from the second conducting terminal to the first conducting terminal. 4.如权利要求1所述的方法，其特征在于，若所述电梯网桥设备为多个，该方法还包括：4. The method as described in claim 1, wherein if there are multiple elevator bridge devices, the method further includes: 针对任意一个电梯网桥设备，监测所述电梯网桥设备的协商速率值；For any given elevator bridge device, monitor the negotiation rate value of the elevator bridge device; 基于所述协商速率值确定至少两个目标电梯网桥设备；At least two target elevator bridge devices are determined based on the negotiated rate value; 基于预设的信道分配规则切换所述至少两个目标电梯网桥设备的工作信道。The operating channels of the at least two target elevator bridge devices are switched based on preset channel allocation rules. 5.如权利要求4所述的方法，其特征在于，所述基于所述协商速率值确定至少两个目标电梯网桥设备，包括：5. The method as described in claim 4, wherein determining at least two target elevator bridge devices based on the negotiated rate value comprises: 若至少两个电梯网桥设备的协商速率值均小于协商速率阈值，则确定所述至少两个电梯网桥设备为目标电梯网桥设备。If the negotiation rate values of at least two elevator bridge devices are all less than the negotiation rate threshold, then the at least two elevator bridge devices are determined to be target elevator bridge devices. 6.如权利要求4所述的方法，其特征在于，所述基于预设的信道分配规则切换所述至少两个目标电梯网桥设备的工作信道，包括：6. The method as described in claim 4, wherein switching the working channels of the at least two target elevator bridge devices based on a preset channel allocation rule includes: 为每个目标电梯网桥设备分配具有不同频率的工作信道，以使每个目标电梯网桥设备根据分配的工作信道进行切换。Each target elevator bridge device is assigned a working channel with a different frequency so that each target elevator bridge device can switch according to the assigned working channel. 7.一种射频信号强度调节装置，其特征在于，包括：7. A radio frequency signal strength adjustment device, characterized in that it comprises: 监测单元，用于监测电梯网桥设备在射频信号接收端接收到的射频信号的信号强度值；The monitoring unit is used to monitor the signal strength value of the radio frequency signal received by the elevator bridge equipment at the radio frequency signal receiving end; 判断单元，用于判断所述信号强度值是否大于第一信号强度阈值；The judgment unit is used to determine whether the signal strength value is greater than the first signal strength threshold. 耦合单元，用于当所述信号强度值大于所述第一信号强度阈值时，将所述射频信号以射频耦合的方式发送至射频器件，其中，耦合至所述射频器件的信号强度小于或等于所述第一信号强度阈值；A coupling unit is used to transmit the radio frequency signal to a radio frequency device in a radio frequency coupling manner when the signal strength value is greater than the first signal strength threshold, wherein the signal strength coupled to the radio frequency device is less than or equal to the first signal strength threshold; 其中，所述耦合单元，具体用于将所述射频信号通过耦合模块以射频耦合的方式发送至所述射频器件。Specifically, the coupling unit is used to transmit the radio frequency signal to the radio frequency device via the coupling module in a radio frequency coupling manner. 8.一种电梯网桥设备，其特征在于，包括存储器和处理器；8. An elevator network bridge device, characterized in that it includes a memory and a processor; 所述存储器用于存储指令；The memory is used to store instructions; 所述处理器用于执行所述存储器存储的指令，当所述处理器执行所述存储器存储的指令时，使得所述电梯网桥设备执行如权利要求1-6任一项所述的方法。The processor is used to execute instructions stored in the memory, and when the processor executes the instructions stored in the memory, it causes the elevator bridge device to perform the method as described in any one of claims 1-6. 9.一种计算机存储介质，其特征在于，所述计算机存储介质中存储有指令，当其在计算机上运行时，使得所述计算机执行如权利要求1-6任一项所述的方法。9. A computer storage medium, characterized in that the computer storage medium stores instructions that, when executed on a computer, cause the computer to perform the method as described in any one of claims 1-6.
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111601182A (en) * 2020-05-27 2020-08-28 成都新潮传媒集团有限公司 Network bridge equipment and network bridge system based on antenna change-over switch

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7383046B2 (en) * 2005-02-04 2008-06-03 Cisco Technology, Inc. System and method for providing access points to assist in a handoff decision in a wireless environment
WO2014139101A1 (en) * 2013-03-13 2014-09-18 Intel Corporation Dead zone location detection apparatus and method
CN107147453A (en) * 2017-05-31 2017-09-08 广东欧珀移动通信有限公司 Method, device, storage medium and terminal for processing radio frequency interference
CN108966250B (en) * 2018-06-29 2023-07-07 山东沃伦通信技术有限公司 Weak signal communication method, mobile terminal and computer readable storage medium
CN114071618B (en) * 2020-08-10 2023-11-17 华为技术有限公司 Channel switching method, access equipment and user equipment
CN114285424B (en) * 2020-09-28 2025-11-25 中兴通讯股份有限公司 Terminal equipment and its control methods, computer-readable storage media

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111601182A (en) * 2020-05-27 2020-08-28 成都新潮传媒集团有限公司 Network bridge equipment and network bridge system based on antenna change-over switch

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