CN211318601U - Wireless field strength test equipment and system - Google Patents
Wireless field strength test equipment and system Download PDFInfo
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- CN211318601U CN211318601U CN201922230710.4U CN201922230710U CN211318601U CN 211318601 U CN211318601 U CN 211318601U CN 201922230710 U CN201922230710 U CN 201922230710U CN 211318601 U CN211318601 U CN 211318601U
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Abstract
The utility model provides a wireless field intensity test equipment and system, wireless field intensity test equipment includes: the box body is provided with a first test signal access port for accessing; the signal analysis module is connected with the access port and used for analyzing the received first test signal according to the signal type; the test module is connected with the signal analysis module and is used for respectively carrying out analysis test on the signal quality of the analyzed first test signal according to the signal type to obtain a first test result after the analysis test; the communication module is respectively connected with the test module and a field intensity test server and used for receiving the control signal from the field intensity test server and transmitting the first test result processed by the test module to the field intensity test server for analysis and processing, and the power module is used for respectively supplying power to the signal analysis module, the test module and the communication module.
Description
Technical Field
The utility model belongs to the technical field of the communication technology and specifically relates to a wireless field intensity test equipment and system.
Background
Wireless communication is a technology for transmitting information using radio-magnetic waves of a plurality of different frequency bands. Technical personnel can utilize mobile station technology, base station technology and mobile switching technology to connect terminal equipment in a mobile communication network, thereby meeting the mobile communication requirements of people. From an analog mobile communication system, a digital cellular communication system and a mobile multimedia communication system to the current high-speed mobile communication system, the speed of the mobile communication technology is continuously improved, the delay and error phenomena are reduced, the stability and the reliability of the technology are continuously improved, and various flexible communication modes are provided for the production and the life of people. Radio waves used for wireless communication refer to electromagnetic waves in the radio frequency band that propagate in free space, including air and vacuum. It is generated by the alternating current of the oscillating circuit and can be transmitted and absorbed by the antenna. Due to the complexity, openness and mobility of the propagation environment, the wireless signals are scattered, reflected or superimposed in a large amount, and the signal level is changed continuously and simultaneously subjected to different spatial interferences, such as frequency interference, adjacent frequency interference, intermodulation interference and the like.
In practical technical application, in order to ensure the normal operation of equipment and the safe and reliable use of people, scientific test and evaluation of wireless signals are required, including strict test of performance parameters such as frequency, amplitude, phase, field intensity, bandwidth and the like of the wireless signals. The traditional wireless signal test work is that professional testers generally carry various different types of instruments to test wireless signals with different standards and frequencies, the equipment is complicated to operate, high in price, complex to maintain and manage, poor in expansibility, high in requirements on the operators, large in workload of test tasks, low in efficiency and difficult to meet the requirements of high detection frequency, for example, the signal quality of the rail transit industry is tested, the wireless signal quality of various different types needs to be tested all weather and uninterruptedly, the existing test device and the existing working mode are difficult to meet the test requirements of high detection frequency, and particularly the high-frequency parallel monitoring requirements of the wireless signals of various standards and/or frequency bands are met.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, an object of the present invention is to provide a wireless field strength testing device, comprising: the device comprises a box body, a first test signal and a second test signal, wherein the box body is provided with an access port and used for accessing the first test signal, and the first test signal comprises one or more types of wireless signals; the signal analysis module is arranged in the box body, is connected with the access port and is used for analyzing the received first test signal according to the signal type; the test module is arranged in the box body, is connected with the signal analysis module, and is used for respectively carrying out analysis test on the signal quality of the analyzed first test signal according to the signal type to obtain a first test result after the analysis test; the communication module is respectively connected with the test module and a field intensity test server and is used for receiving a control signal from the field intensity test server and transmitting the first test result processed by the test module to the field intensity test server for analysis and processing; and the power supply module is used for respectively supplying power to the signal analysis module, the test module and the communication module.
In an embodiment of the present invention, the test module includes different test sub-modules, and is respectively adapted to the wireless signals of different standards for processing the wireless signals of different standards in the analyzed first test signal.
In an embodiment of the present invention, the signal analyzing module includes a combiner, and is configured to analyze and separate the first test signal into wireless signals of different types.
In an embodiment of the present invention, the single testing submodule includes and the combiner is connected to be used for right after the combiner analyzes and separates the signal detection circuit that the first testing signal carries out the signal quality analysis test.
In an embodiment of the present invention, the communication module is an optical communication module.
In an embodiment of the present invention, the communication module employs an embedded industrial-level processor with an embedded TCP/IP protocol stack.
In an embodiment of the present invention, the wireless field strength testing device further includes a control module, respectively with the testing module the signal analyzing module and the communication module is connected to each other for setting or adjusting the working mode of the wireless field strength testing device.
The utility model also provides a wireless field intensity test system, include as above wireless field intensity test equipment and with wireless field intensity test equipment carries out communication connection's field intensity test server.
In an embodiment of the utility model, wireless field intensity test system still includes operation terminal, with the field intensity test server is connected, through sending control signal extremely the field intensity test server realizes right the parameter setting and the adjustment of field intensity test server, and pass through the field intensity test server realizes right wireless field intensity test equipment's remote control.
In an embodiment of the present invention, the operation terminal includes a display module for displaying the result of the analysis processing of the first test signal is right to the field strength test server.
As above, the utility model provides a wireless field intensity test equipment and system has following beneficial effect:
the utility model discloses an integrate a plurality of test submodule pieces to in the wireless field intensity test equipment, can realize the parallel test to multiple system and/or full frequency channel radio signal, can test the signal of multiple system simultaneously, to each system, can test a plurality of frequency point signals in the different frequency channels, to the operational environment who has multiple different grade type signal, need not to carry and use the signal test instrument of multiple difference, only need a set of equipment can accomplish the test, improved the efficiency and the convenience of signal test greatly. The wireless field intensity test equipment and the wireless field intensity test system adopt a communication technology based on a TCP/IP protocol, can directly utilize existing network communication, do not need to additionally build a data transmission network, are simple and quick to construct and install, are economic and convenient to use, save the cost of signal test and also save social resources; moreover, various management and maintenance operations such as equipment networking management, information acquisition, remote monitoring and the like can be realized through a network communication technology, and the monitoring, management and maintenance of a user are facilitated.
Utilize the utility model provides a wireless field intensity test equipment and system can realize the automatic operation of radio signal test procedure, can all be incessant 24 hours to the multiple parameter of test signal carry out real-time supervision, and the processing is reported immediately to the discovery problem, and work efficiency is high, excellent in use effect.
Drawings
FIG. 1 is a schematic view of a wireless field strength testing device according to an embodiment of the present invention
FIG. 2 is a schematic structural diagram of a wireless field strength testing device according to another embodiment of the present invention
FIG. 3 is a schematic view of a wireless field strength testing system according to an embodiment of the present invention
FIG. 4 is a schematic structural diagram of a wireless field strength testing system according to another embodiment of the present invention
FIG. 5 is a flowchart illustrating the operation of the wireless field strength testing system according to an embodiment of the present invention
Description of the element reference numerals
100 wireless field strength test equipment
110 case
120 signal analysis module
130 test module
131 test sub-module
140 communication module
150 power supply module
160 access port
170 control module
180 aerial
190 antenna feed line
10 wireless field intensity test system
200 field intensity test server
300 operating terminal
310 display module
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
The utility model provides a pair of wireless field intensity test equipment can carry out the signal quality test to the radio signal of multiple different grade type simultaneously, the radio signal of different grade type includes the radio signal of different standard and different frequency channels. The standard of the wireless signal includes but is not limited to GSM, WCDMA, TD-LTE and TETRA, and the frequency band of the wireless signal includes but is not limited to any frequency band between 350MHz and 4.4 GHz.
The quality test of the wireless signal includes, but is not limited to, testing the signal coverage strength and the signal coverage condition of the wireless signal. Further, the quality test of the wireless signal also comprises detecting whether an abnormal signal exists in the test signal, wherein the abnormal signal comprises an illegal or non-approved wireless signal.
Please refer to fig. 1, which is a schematic structural diagram of a wireless field strength testing apparatus 100 according to an embodiment of the present invention. The wireless field strength test device 100 includes a case 110, a signal analysis module 120, a test module 130, a communication module 140, and a power module 150.
In this embodiment, the box 110 has at least one access port 160 connected to an external wireless signal receiving device for accessing the first test signal.
In specific implementation, when the wireless field strength testing device 100 is used for testing the quality of a wireless signal in a rail transit environment, the access port is connected with a train antenna through an antenna feeder and is used for receiving the first testing signal transmitted by the train antenna.
The first test signal is one or a mixture of various wireless signals of different systems and/or different frequency bands in a rail transit environment. In a particular implementation, the first test signal includes a WLAN signal and a TETRA signal.
Further, the box body 110 is preferably but not limited to a steel plate box body, and in a specific implementation, the box body 110 adopts a cast aluminum housing, so that interference of external signals can be effectively shielded.
In this embodiment, the signal analyzing module 120 is disposed in the box 110, connected to the access port, and configured to analyze the first test signal received by the access port according to a signal type, and transmit the analyzed first test signal to the test module 130; when the first test signal is a signal obtained by mixing a plurality of different types of signals, the signal analysis module 120 analyzes and separates the first test signal into different test signals according to different signal formats, and transmits the different test signals to the test module 130.
Further, the signal analyzing module 120 includes a combiner, connected to the access port, and configured to analyze the received first test signal according to a signal type.
In this embodiment, the test module 130 is disposed in the box 110, and is connected to the signal analysis module 120, and performs an analysis test on the signal quality of the analyzed first test signal according to the signal type, so as to obtain a first test result after the analysis test.
Further, the test module 130 includes different test sub-modules 131, which are respectively adapted to the test signals of different systems and are used for processing the test signals of different systems. The signal analysis module 120 transmits the test signals of each system in the analyzed and separated first test signals to the test sub-module 131 adapted to the signal system, and the test sub-module 131 performs an analysis test on the signal quality according to preset test parameters. In a specific implementation, the test sub-module 131 includes a WLAN test sub-module and a TETRA test sub-module, and performs signal quality test on the WLAN signal and the TETRA signal respectively.
Further, the testing sub-module 131 includes a signal detection circuit connected to the combiner, and configured to perform a signal quality analysis test on the first testing signal analyzed and separated by the combiner.
The signal detection circuit for performing the signal quality analysis test on the wireless signal is a conventional signal processing circuit, and is not described herein again.
In this embodiment, the communication module 140 is connected to the test module 130 and a field strength test server, and is configured to implement interactive communication between the test module 130 and the field strength test server.
In this embodiment, the communication module 140 employs an optical communication method, including optical fiber communication, so as to realize fast transmission of communication information.
Further, the communication module 140 employs an industrial embedded processor, embeds a TCP/IP protocol stack, and rapidly transmits the interactive communication information to the field strength test server through an optical fiber ethernet network.
In this embodiment, the communication between the test module 130 and the field strength test server includes that the test module 130 sends the first test result to the field strength test server through the communication module 140, and performs analysis processing to obtain a test analysis result; and the field strength test server sends control information to the test module 130 through the communication module 140, so that the field strength test server can remotely set the test module 130.
The control information includes test parameter information, and the field strength test server adjusts and remotely sets the preset test parameters in the test module 130 by sending the control information to the test module 130, so as to control the test module 130 to complete a signal quality test within a parameter specified range according to the test parameters.
Further, the control information further includes network configuration information for implementing remote network configuration of the field strength test server to the wireless field strength test device; in a specific implementation, the implementation manner of the remote network configuration includes: setting different network IP addresses for the different wireless field intensity test devices respectively through a network protocol; or the information such as IP addresses, port numbers and the like is remotely modified through a network, so that a user can complete the technical parameter configuration of a plurality of wireless field intensity test devices without going out, the signal test and device maintenance work is more efficient and convenient, and the time and the use cost are greatly saved. Especially for wireless signal testing in a rail transit environment, as field detection equipment is often arranged in a tunnel or on a rail, the arrangement line is long, the use and maintenance distance and time are limited, the management is very inconvenient, and the convenience of signal testing work is greatly improved and the management efficiency is improved through remote control of the equipment.
Further, the test module 130 and the field strength test server interactive communication further includes that the test module 130 sends the working state information to the field strength test server for storage, and the field strength test server can change the working state of the test module 130 by sending control information, so that the field strength test server can directly inquire and master the working state of the test module 130 and change the working state of the test module 130 according to the user requirement.
In this embodiment, the power module 150 is configured to provide power to the signal analysis module 120, the signal test module 130, and the communication module 140.
In this embodiment, the power module 150 preferably uses an ac 220V power source. And power supplies such as a storage battery and a solar panel can also be configured.
In this embodiment, the power module 150 is disposed inside the box body 110 or outside the box body 110.
Please refer to fig. 2, which is a schematic structural diagram of a wireless field strength testing apparatus 100 according to another embodiment of the present invention. On the basis of the description shown in fig. 1, the wireless field strength testing apparatus 100 further includes a control module 170, which is connected to the testing module 130, the signal analyzing module 120, and the communication module 140; the control module 170 includes a control circuit for controlling the operating mode of the wireless field strength test device 100 and adjusting the operating mode of the wireless field strength test device 100 according to the received control information sent by the field strength test server.
The wireless field intensity test device 100 comprises a plurality of working modes, wherein the working modes comprise a continuous working mode, the first test signal can be received in 24 hours and is subjected to analysis test continuously, an obtained first test result and the working state information of the device are sent to the field intensity test server through the communication module 140, and the field intensity test server is subjected to analysis processing and storage, so that a user can inquire and use the field intensity test server conveniently. The continuous working mode is particularly suitable for the working environment of rail transit, the signal quality and the coverage condition of wireless signals are extremely important in rail train operation, the safe operation of a train can be ensured only by timely and effectively finding and repairing signal problems, and the equipment can find fault data at the first time and upload the fault data to a server so that operation and maintenance personnel can find and process the fault data in time by adopting 24-hour uninterrupted signal monitoring, so that the normal operation of a line is powerfully ensured.
Furthermore, the working mode also comprises an artificial mode, and the line field intensity test equipment is remotely set and controlled through the field intensity test server. When an abnormal condition is found during the wireless signal test, the working mode can be switched to a manual mode for operation and control through the control module 170.
In yet another embodiment, the wireless field strength test apparatus 100 further comprises a test antenna 180 and an antenna feed 190. The test antenna comprises a multi-band antenna, can receive wireless signal data in different frequency bands, and transmits the received wireless signals to the wireless field intensity test equipment 100 through the connected antenna feeder line to perform signal quality test.
Referring to fig. 3, the present invention further provides a wireless field strength testing system 10, wherein the wireless field strength testing system 10 includes the wireless field strength testing device 100 and the field strength testing server 200 communicatively connected to the wireless field strength testing device 100. The specific features of the wireless field strength testing device 100 are described in detail above, and are not described herein again.
The field intensity test server sets and adjusts the parameters of the functional modules in the field intensity test server by sending control signals to the wireless field intensity test server, and the field intensity test server realizes the remote control of the wireless field intensity test equipment 100.
The field strength test server is provided with an analysis functional module for analyzing the received first test result sent by the wireless field strength test device 100 to obtain the test analysis result. In particular implementations, the functional blocks include RBW/VBW control, reference level configuration, and functional blocks associated with spectrum monitoring applications. Through the functional module, various information such as frequency, level, waveform distortion, noise level, spectral characteristic, field intensity of the test signal can be obtained.
Please refer to fig. 4, which is a schematic structural diagram of a wireless field strength testing system 10 according to another embodiment of the present invention. The wireless field strength test system is based on the system shown in fig. 3, and further comprises an operation terminal connected with the field strength test server, and the operation terminal sets and adjusts the parameters of the functional modules in the field strength test server by sending control signals to the field strength test server, and realizes remote control of the wireless field strength test equipment 100 through the field strength test server.
The operation terminal is connected with the field intensity test server through a network, and an analysis processing result on the field intensity test server is checked. During specific implementation, the field intensity test server is directly connected with a desktop computer or a notebook computer through a network interface, so that a user can check test results of frequency, level, waveform distortion, noise level, spectrum characteristics and the like of a field test signal only by a browser, and the field intensity test server is convenient for the user to check and use; and setting parameters of the functional module in the field strength test server through the operating terminal. By adopting the layout mode of the B/S framework, the system is more flexible and convenient to expand and is more convenient for users to quickly check and use.
As shown in fig. 5, the main working process of the wireless field strength testing system 10 in this embodiment is as follows:
and the field intensity test equipment is powered on, and the wireless field intensity test system is started. After the system is started, the field intensity test equipment receives a first test signal of an operation field environment and analyzes and separates the first test signal; different testing sub-modules in the testing module respectively test the analyzed and separated first testing signal to obtain a first testing result.
The field intensity test equipment establishes communication connection with the field intensity test server through a communication module, transmits the obtained first test result to the field intensity test server for analysis processing, and obtains a test analysis result after analysis processing.
The field intensity test server is connected with the operation terminal, receives and remotely controls the field intensity test equipment according to the control signal transmitted by the operation terminal, and sends the processed test analysis result to the operation terminal for displaying.
The field strength test device 100 and the wireless field strength test system 10 provided by the present embodiment have the following beneficial effects:
1) the utility model has the advantages of saving the investment of users and social resources, the utility model adopts the integrated field intensity test equipment, and can complete the wireless signal test work of full frequency band and multi-system only by one field intensity test equipment for each operation field to be detected, and the users do not need to purchase various different signal test instruments; and the field intensity test equipment and the field intensity test server carry out interactive communication based on a standard Ethernet communication technology, a communication network does not need to be additionally erected, an existing network is utilized, and the field intensity test equipment and the field intensity test server are simple and quick to construct and install, economical and convenient to use.
2) The user's good use experience has been strengthened, adopt full intelligent testing process, the user need not to carry out complicated equipment operation and can accomplish the test work to the signal, and is simple to use, convenient operation.
3) Convenient management and maintenance characteristics. Because the equipment adopts a communication technology based on a TCP/IP protocol, each equipment has an independent address, and can carry out management and maintenance operations in various aspects such as equipment management, information acquisition and the like through a network, and the monitoring and maintenance of a user are very convenient.
4) The reliability is very high. Because the field intensity test equipment adopts an industrial-grade embedded processor, the digital device has long service life, high stability and strong anti-interference capability, so the reliability of the equipment is very high, and the smooth proceeding of a bidirectional data transmission task can be effectively ensured.
5) The working efficiency is high, and the use effect is good. The field intensity test equipment can test a plurality of frequency bands and a plurality of systems in parallel, for each system, a plurality of frequency point signals in different frequency bands can be measured, a plurality of signal parameters of the received test signals can be continuously monitored in real time for 24 hours, problems are found, the field intensity test equipment can immediately report and process the problems, the working efficiency is high, and the using effect is good.
To sum up, the utility model provides a field intensity test equipment with field intensity test system can carry out 24 hours uninterrupted real-time supervision in all weather to the multiple signal parameter of the radio signal of different systems, different frequency simultaneously to handle and save to field intensity test server through ethernet communication real-time transmission, thereby realized that the discovery problem reports immediately and handles, must improve signal monitoring's work efficiency greatly. And through the duplex mode between the field intensity test equipment and the field intensity test server, the field intensity test equipment is remotely controlled by a user through the field intensity test server, so that the equipment is convenient to maintain and manage, the management efficiency is improved, and the maintenance cost is saved. The utility model discloses novel structure, economical and practical has higher market value and extensive practicality. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (10)
1. A wireless field strength test apparatus, comprising:
the device comprises a box body, a first test signal and a second test signal, wherein the box body is provided with an access port and used for accessing the first test signal, and the first test signal comprises one or more types of wireless signals;
the signal analysis module is arranged in the box body, is connected with the access port and is used for analyzing the received first test signal according to the signal type;
the test module is arranged in the box body, is connected with the signal analysis module, and is used for respectively carrying out analysis test on the signal quality of the analyzed first test signal according to the signal type to obtain a first test result after the analysis test;
the communication module is respectively connected with the test module and a field intensity test server and is used for receiving a control signal from the field intensity test server and transmitting the first test result processed by the test module to the field intensity test server for analysis and processing;
and the power supply module is used for respectively supplying power to the signal analysis module, the test module and the communication module.
2. The device for testing wireless field strength of claim 1, wherein the test module comprises different test sub-modules, each of which is adapted to a wireless signal of a different standard, and is configured to process the wireless signals of the different standards in the analyzed first test signal.
3. The wireless field strength test apparatus of claim 2, wherein the signal resolution module includes a combiner for resolving and separating the first test signal into different types of signals.
4. The device of claim 3, wherein the single test sub-module comprises a signal detection circuit connected to the combiner for performing a signal quality analysis test on the first test signal resolved and separated by the combiner.
5. The wireless field strength test equipment according to claim 2, wherein the communication module is an optical communication module.
6. The device for testing the wireless field strength of claim 5, wherein the communication module employs an industrial-grade embedded processor embedded with a TCP/IP protocol stack.
7. The wireless field strength test device according to claim 1, further comprising a control module, connected to the test module, the signal analysis module and the communication module, respectively, for setting or adjusting an operating mode of the wireless field strength test device.
8. A wireless field strength test system, comprising a wireless field strength test device according to any of claims 1 to 7 and a field strength test server in wireless communication connection with the wireless field strength test device.
9. The system of claim 8, further comprising an operation terminal connected to the field strength test server, wherein the operation terminal is configured to implement parameter setting and adjustment of the field strength test server by sending a control signal to the field strength test server, and implement remote control of the wireless field strength test device by the field strength test server.
10. The system of claim 9, wherein the operation terminal comprises a display module for displaying the result of the field strength test server analyzing and processing the first test signal.
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| CN115140133A (en) * | 2021-03-30 | 2022-10-04 | 比亚迪股份有限公司 | Train-ground wireless signal testing device, system and method for rail transit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115140133A (en) * | 2021-03-30 | 2022-10-04 | 比亚迪股份有限公司 | Train-ground wireless signal testing device, system and method for rail transit |
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Inventor after: Huang Zhihao Inventor after: Jin Zhihua Inventor after: Zhou Yifeng Inventor after: Liu Wei Inventor after: Yan Chenghong Inventor before: Huang Zhihao Inventor before: Jin Zhihua Inventor before: Zhou Yifeng Inventor before: Liu Wei Inventor before: Yan Chenghong |