CN219554995U - Communication network tester - Google Patents

Abstract

The utility model discloses a communication network tester, and relates to the technical field of signal testing. The communication network tester comprises a bottom plate, at least one test board, a wireless transceiver board and a power panel; the base plate is provided with a main control module, a control module and an interface communication module; the test board, the wireless transceiver board and the power board are all detachably arranged on the bottom board and are electrically connected with the bottom board through the interface communication module respectively; the test board is provided with test module, and wireless transceiver board is provided with communication module, and the power strip is used for providing working power supply for bottom plate, test board and wireless transceiver board. According to the communication network tester, the modularized board card design is adopted, and each board card is easy to install and disassemble; when a certain board card fails, the whole system is not required to be powered off, and the corresponding board card is only required to be disassembled and replaced, so that the normal work of other parts is not affected, and the reliability, the maintainability, the redundancy and the disaster recovery capability of the system are improved.

Description

Communication network tester

Technical Field

The utility model relates to the technical field of signal testing, in particular to a communication network tester.

Background

With more and more test modules of 5G automated communication network testers, repair or replacement of faulty devices or modules may become more frequent. In repair or replacement, it is common practice to shut down the communications network tester to replace or install components or peripherals, which is possible on equipment that does not require great real-time performance. However, for mobile network test equipment in operation in high-speed rail, taxi, etc., this approach may result in incomplete or no data collected during the downtime period, resulting in poor reliability and easy maintenance of the system.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a communication network tester which is easy to maintain.

According to an embodiment of the utility model, a communication network tester includes:

the base plate is provided with a main control module, a control module and an interface communication module;

the at least one test board is detachably arranged on the bottom board and is electrically connected with the bottom board through the interface communication module, and the test board is provided with a test module;

the wireless transceiver board is detachably arranged on the bottom plate and is electrically connected with the bottom plate through the interface communication module, and the wireless transceiver board is provided with a communication module;

the power panel is detachably arranged on the bottom plate and is electrically connected with the bottom plate through the interface communication module, and the power panel is used for providing working power for the bottom plate, the test panel and the wireless transceiver board;

the control module is used for controlling a power signal of the main control module; the main control module is used for sending a test instruction to the test module and performing data interaction with the test module; the test module is used for testing the network signals and sending test data to the main control module; the communication module is used for sending the test data to a background end; and hot plug is supported between the test board, the wireless transceiver board and the power board and the bottom board.

According to some embodiments of the utility model, the interface communication module includes a first slot, a second slot and at least one third slot, the wireless transceiver board is provided with a first golden finger for being inserted into the first slot, the power board is provided with a second golden finger for being inserted into the second slot, and the test board is provided with a third golden finger for being inserted into the third slot.

According to some embodiments of the utility model, the interface communication module further comprises at least one of a USB interface, an RJ45 interface, a video interface, and an audio interface.

According to some embodiments of the utility model, the base plate is further provided with at least one of the following modules:

the storage module is electrically connected with the main control module and used for storing the test data;

the network switching module is electrically connected with the main control module, and is used for connecting external network equipment and performing data interaction with the external network equipment;

the first sound card module is electrically connected with the main control module and is used for performing voice test.

According to some embodiments of the utility model, the test board is further provided with:

the hot plug management module is electrically connected with the interface communication module;

a first DC/DC module electrically connected with the hot plug management module,

the MCU is respectively and electrically connected with the interface communication module, the test module and the first DC/DC module;

and the SIM card module is respectively and electrically connected with the MCU and the test module.

According to some embodiments of the utility model, the test board is provided with two test modules, and the test board is further provided with a second sound card module, and the second sound card module is used for testing the conversation voice quality between the two test modules.

According to some embodiments of the utility model, the communication module includes at least one of a MODEM unit, a WiFi unit, and a bluetooth unit.

According to some embodiments of the utility model, the wireless transceiver board is further provided with at least one of a GPS module and an indicator light module.

According to some embodiments of the utility model, the power panel includes:

the power input socket is used for connecting an external power supply;

a built-in battery;

the input end of the power supply switching module is electrically connected with the power supply input socket and the built-in battery respectively;

the input end of the second DC/DC module is electrically connected with the output end of the power supply switching module, and the output end of the second DC/DC module is used for providing working power supply for the bottom plate, the test plate and the wireless transceiver plate;

and the input end of the charge-discharge module is electrically connected with the output end of the power supply switching module, and the output end of the charge-discharge module is electrically connected with the built-in battery.

According to some embodiments of the utility model, the power panel is further provided with a power protection module, and the power protection module is electrically connected with the power input socket.

The communication network tester provided by the embodiment of the utility model has at least the following beneficial effects: when a certain test board fails and cannot work, only the test board is required to be detached for replacement or maintenance, and normal work of other test boards is not affected; according to the communication network tester, the blocks are modularized, and hot plug is supported by the blocks, so that the replacement of a module board card or a component can be completed under the condition that a system power supply is not closed, the normal operation of the system is not affected, and the reliability, the maintainability, the redundancy and the disaster recovery capability of the system are improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic block diagram of a communication network tester according to an embodiment of the present utility model;

FIG. 2 is a schematic block diagram of a base plate according to an embodiment of the present utility model;

FIG. 3 is a schematic block diagram of a test board according to an embodiment of the present utility model;

fig. 4 is a schematic block diagram of a wireless transceiver board according to an embodiment of the utility model;

fig. 5 is a schematic block diagram of a power panel according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a communication network tester according to an embodiment of the present utility model;

FIG. 7 is an exploded view of a communication network tester according to an embodiment of the present utility model;

FIG. 8 is a schematic structural view of a test board according to an embodiment of the present utility model;

FIG. 9 is an exploded view of a test panel according to an embodiment of the present utility model;

FIG. 10 is another exploded view of a communication network tester according to an embodiment of the present utility model;

FIG. 11 is a schematic diagram of a communication network tester according to an embodiment of the present utility model, with a test board, a wireless transceiver board, a power board, and a cover plate removed;

reference numerals:

the base plate 100, the main control module 110, the control module 120, the interface communication module 130, the first slot 131, the second slot 132, the third slot 133, the USB interface 134, the RJ45 interface 135, the video interface 136, the audio interface 137, the storage module 140, the network switching module 150, the first sound card module 160, the handle 170, the guide hole 180, the screw hole 190, the test board 200, the test module 210, the third golden finger 220, the hot plug management module 230, the first DC/DC module 240, the MCU250, the SIM card module 260, the fourth golden finger 261, the fourth slot 262, the guide post 280, the wireless transceiver board 300, the communication module 310, the MODEM unit 311, the WiFi unit 312, the bluetooth unit 313, the first golden finger 320, the GPS module 330, the indicator light module 340, the power board 400, the second golden finger 410, the power input socket 420, the built-in battery 430, the power switching module 440, the second DC/DC module 450, the charge/discharge module 460, the power protection module 470, the cover plate 500, the SMA seat 600, and the heat dissipation fan 700.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

As shown in fig. 1 to 5, a communication network tester according to an embodiment of the present utility model includes a base plate 100, at least one test board 200, a wireless transceiver board 300, and a power board 400; the base plate 100 is provided with a main control module 110, a control module 120 and an interface communication module 130; the test board 200, the wireless transceiver board 300 and the power board 400 are detachably arranged on the bottom board 100 and are respectively and electrically connected with the bottom board 100 through the interface communication module 130; the test board 200 is provided with a test module 210, the wireless transceiver board 300 is provided with a communication module 310, and the power board 400 is used for providing working power for the base board 100, the test board 200 and the wireless transceiver board 300. The control module 120 is used for controlling a power signal of the main control module 110; the main control module 110 is configured to send a test instruction to the test module 210, and perform data interaction with the test module 210; the test module 210 is configured to test the network signal and send test data to the main control module 110; the communication module 310 is configured to send the test data to the background; the test board 200, the wireless transceiver board 300, the power board 400 and the base plate 100 all support hot plug.

Specifically, in this example, the main control module 110 employs a CPU, and the control module 120 employs an MCU (other common processors may also be employed). The main control module 110 is configured to issue a test plan to the test modules 210 of each test board 200, and perform data interaction and data processing with the test modules 210; the control module 120 is used for controlling the power supply and the on-off signals of the main control module 110; the interface communication module 130 is used for realizing data transmission, logic control and the like between the base plate 100 and the test board 200, the wireless transceiver board 300, the power panel 400 and other external devices. In this example, the number of the test boards 200 is six (or other numbers may be set according to actual needs), and the test boards 200 are used to obtain data such as network coverage index, data service index, call voice quality, etc. of the current relevant network and transmit the data to the main control module 110. When an external power supply is inserted or an equipment start key is pressed, the power panel 400 provides power for the MCU of the control module 110, the control module 110 enables the power supply and start signals of the main control module 120, the main control module 120 is powered on and started, a system normally loads a pre-configured service test plan, the power on and start of the test module 210 of the corresponding test panel 200 is executed, after the connection of the test module 210 is detected, the corresponding test task is started, and the data obtained by the test of the test module 210 are obtained; the test data may be sent to the backend through the communication module 310 on the wireless transceiver board 300.

According to the communication network tester of the embodiment of the utility model, when a certain test board 200 fails and cannot work, only the test board 200 is required to be detached for replacement or maintenance, and the normal work of other test boards 200 is not affected; according to the communication network tester, the blocks are modularized, and hot plug is supported by the blocks, so that the replacement of a module board card or a component can be completed under the condition that a system power supply is not closed, the normal operation of the system is not affected, and the reliability, the maintainability, the redundancy and the disaster recovery capability of the system are improved.

As shown in fig. 2 and fig. 6 to 11, in some embodiments of the present utility model, the interface communication module 130 includes a first slot 131, a second slot 132, and at least one third slot 133, the wireless transceiver board 300 is provided with a first gold finger 320 for being inserted into the first slot 131, the power board 400 is provided with a second gold finger 410 for being inserted into the second slot 132, and the test board 200 is provided with a third gold finger 220 for being inserted into the third slot 133. The PCIe slot and golden finger connection mode is adopted between each plate and the bottom plate 100, so that high-speed data transmission can be satisfied. As shown in fig. 7, a guide hole 180 is provided in the bottom plate 100, and screw holes 190 are provided at both sides of the guide hole 180; as shown in fig. 8, a guide post 280 is provided at a position of each test board 200 corresponding to the guide hole 180, and screw holes are also provided at both sides of the guide post 280; when the test board 200 is installed, the guide post 280 is aligned to the guide hole 180 to be guided downwards for insertion, so that the third golden finger 220 is quickly connected with the third slot 133, and then the screw is screwed into the screw hole 190 to realize the fastening installation of the test board 200; the installation between the test board 200 and the base plate 100 is fast and convenient, and supports hot plug, and the system is not required to be powered off in the process of disassembly or installation, so that the replacement of the test board 200 can be completed under the condition of no power failure. The mounting manners of the wireless transceiver board 300 and the power board 400 are similar to those of the test board 200, and will not be described herein.

As shown in fig. 2, in some embodiments of the utility model, the interface communication module 130 further includes at least one of a USB interface 134, an RJ45 interface 135, a video interface 136, and an audio interface 137. The user can connect external devices such as a mobile phone through a USB interface 134, connect network devices such as an Ethernet and a router through an RJ45 interface 135, and connect a display through a video interface 136 so as to enable the user to check the system state, and perform a call voice test on the mobile phone through an audio interface 137.

As shown in fig. 1 and 2, in some embodiments of the utility model, the base plate 100 is further provided with at least one of the following modules: a storage module 140, a network switching module 150, and a first sound card module 160; the storage module 140 is electrically connected to the main control module 110, and is used for storing test data; the network switching module 150 is electrically connected with the main control module 150, and is used for connecting with external network equipment and performing data interaction with the external network equipment; the first sound card module 160 is electrically connected to the main control module 110, and is used for performing a voice test. The test data obtained by the main control module 110 from the test module 210 may be stored in the storage module 140; in addition to the test data being transmitted to the external network device through the communication module 310 of the wireless transceiver board 300, the user may acquire the test data through the network switching module 150 on the backplane 100. The device supports the external mobile phone to do data service and voice service, the mobile phone can be accessed through the USB interface 134 and the audio interface 137, and after the test plan is configured, the system can automatically start to execute related tasks, so that the first sound card module 160 tests the conversation voice quality between the two mobile phones.

As shown in fig. 3, in some embodiments of the present utility model, the test board 200 is further provided with a hot plug management module 230, a first DC/DC module 240, an MCU250, and a SIM card module 260; the hot plug management module 230 is electrically connected with the interface communication module 130, the first DC/DC module 240 is electrically connected with the hot plug management module 230, and the MCU250 is electrically connected with the interface communication module 130, the test module 210 and the first DC/DC module 240, respectively; the SIM card module 260 is electrically connected to the MCU250 and the test module 210, respectively. After the test board 200 is inserted into the chassis 100, the detection signal of the chassis 100 becomes low, so that the hot plug management module 230 is enabled to turn on the 12V, 5V, 4V, 3.3V power supply of the test board 200; at this time, the MCU250 successfully performs handshake communication with the main control module 110 of the base plate 100 through the I2C; the main control module 110 issues a test plan to the MCU250 of the test board 200 through the I2C, the MCU250 enables the power supply, the startup signal and the like of the corresponding test module 210, after the test module 210 is successfully started, the main control module 110 starts to issue the test plan such as data service and the like through an AT instruction or a communication protocol after recognizing the USB port of the test module 210, and the test module 210 executes the instruction according to the plan and returns a corresponding value to the main control module 110 to finish the test of the network signal. Wherein each test module 210 is required to have a corresponding SIM card in operation, the SIM card module 260 is configured to provide a corresponding SIM card for each test module 210.

As shown in fig. 8 and 9, in this example, a pluggable connection mode is adopted between the SIM card module 260 and the test board 200, a fourth golden finger 261 is disposed on the SIM card module 260, a fourth slot 262 is disposed inside the test board 200, and after the SIM card module 260 is inserted along the metal guide rail of the side wall of the test board 200, the fourth golden finger 261 is inserted into the fourth slot 262 to realize electrical connection, and then fastening is performed by screws, so as to realize rapid installation of the SIM card module 260.

As shown in fig. 3, in some embodiments of the present utility model, each test board 200 is provided with two test modules 210, and the test board 200 is further provided with a second sound card module (not shown) for testing the quality of voice of a call between the two test modules 210. When the voice test is performed, the test module 1 and the test module 2 mutually dial in a voice mode, then the MCU250 plays a section of recording through the I2S interface to the test module 1, receives a voice signal returned by the test module 2, and transmits the acquired signal to the main control module 110, so that the main control module 110 executes a voice calculation tool to obtain a voice test result.

As shown in fig. 4, in some embodiments of the present utility model, the communication module 310 includes at least one of a MODEM unit 311, a WiFi unit 312, and a bluetooth unit 313. The device may upload the test data to the cloud, the background server, the local device, etc. through the communication module 310, so as to be queried and obtained by the user.

As shown in fig. 4, in some embodiments of the present utility model, the wireless transceiver board 300 is further provided with at least one of a GPS module 330 and an indicator light module 340. Wherein, the GPS module 330 is used for positioning, so as to realize track tracking of the test route; the indicator light module 340 is used for indicating the working state of each module through the LED lamp.

As shown in fig. 5, in some embodiments of the present utility model, the power strip 400 includes a power input socket 420, a built-in battery 430, a power switching module 440, a second DC/DC module 450, and a charge/discharge module 460; the input end of the power supply switching module 440 is electrically connected with the power supply input socket 420 and the built-in battery 430 respectively, the output end of the power supply switching module 440 is electrically connected with the input end of the second DC/DC module 450, and the output end of the second DC/DC module 450 is used for providing working power supply for the base plate 100, the test plate 200 and the wireless transceiver plate 300; the input end of the charge/discharge module 460 is electrically connected to the output end of the power switching module 440, and the output end of the charge/discharge module 460 is electrically connected to the internal battery 430. The power input socket 420 is used for connecting an external power supply, the built-in battery 430 is used for providing an internal power supply, and 3.3V power is always provided for the MCU of the control module 120 of the base plate 100 when the external power supply is connected or the built-in battery 430 is powered on, so that the normal working state of the MCU is ensured, and the power-on and power-on logic is ensured. The power switching module 440 is used for switching the external power supply and the power supply path of the built-in battery 430, preferably using the external power supply connected to the power input socket 420, and when the external power supply is lower than a certain value or does not exist, using the built-in battery 430 to ensure the normal power supply of the system; the charge/discharge module 460 is used for charging/discharging the built-in battery 430, and the second DC/DC module 450 is used for outputting 3.3V, 5V, 12V power to the PCIe golden finger and supplying power to each card board such as the base plate 100.

As shown in fig. 5, in some embodiments of the present utility model, the power panel 400 is further provided with a power protection module 470, and the power protection module 470 is electrically connected to the power input socket 420, so as to perform overvoltage/overcurrent protection on an external power supply, thereby ensuring the normal operation of the system.

As shown in fig. 6 and 10, in some embodiments of the present utility model, the communication network tester further includes a cover plate 500, and the cover plate 500 is provided on the upper ends of the wireless transceiver board 300 and the power panel 400, so as to protect and prevent dust, on the one hand, and on the other hand, since the wireless transceiver board 300 needs to communicate with an external device, by providing the cover plate 500, the SMA seat 600 can be provided on the cover plate 500, so as to connect with an antenna, thereby realizing communication with the external device. Meanwhile, a plurality of SMA seats 600 are also disposed on each test board 200, and further connected to an antenna for the test module 210 to acquire external network data.

As shown in fig. 10, in some embodiments of the present utility model, a heat dissipation fan 700 is further provided on the base plate 100 for dissipating heat of the entire apparatus. Meanwhile, handles 170 are further provided at both left and right sides of the base plate 100, thereby facilitating the movement of the entire apparatus by the user, so that the apparatus is convenient to carry and move.

According to the communication network tester disclosed by the embodiment of the utility model, the modularized board card is designed, and the PCIe slots and the golden fingers are connected between the boards, so that the high-speed signal transmission between the boards is met, and the boards are easy to install and detach; when a certain board card fails, the whole system is not required to be powered off, and the corresponding board card is only required to be disassembled and replaced, so that the normal work of other parts is not affected, and the reliability, the maintainability, the redundancy and the disaster recovery capability of the system are improved.

In the description of the present specification, a description referring to the terms "one embodiment," "further embodiment," "some specific embodiments," or "some examples," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A communications network tester, comprising:

the base plate is provided with a main control module, a control module and an interface communication module;

the at least one test board is detachably arranged on the bottom board and is electrically connected with the bottom board through the interface communication module, and the test board is provided with a test module;

the wireless transceiver board is detachably arranged on the bottom plate and is electrically connected with the bottom plate through the interface communication module, and the wireless transceiver board is provided with a communication module;

the power panel is detachably arranged on the bottom plate and is electrically connected with the bottom plate through the interface communication module, and the power panel is used for providing working power for the bottom plate, the test panel and the wireless transceiver board;

the control module is used for controlling a power signal of the main control module; the main control module is used for sending a test instruction to the test module and performing data interaction with the test module; the test module is used for testing the network signals and sending test data to the main control module; the communication module is used for sending the test data to a background end; and hot plug is supported between the test board, the wireless transceiver board and the power board and the bottom board.

2. The communication network tester according to claim 1, wherein the interface communication module comprises a first slot, a second slot and at least one third slot, the wireless transceiver board is provided with a first golden finger for being inserted into the first slot, the power board is provided with a second golden finger for being inserted into the second slot, and the test board is provided with a third golden finger for being inserted into the third slot.

3. The communications network tester of claim 2, wherein the interface communications module further comprises at least one of a USB interface, an RJ45 interface, a video interface, and an audio interface.

4. The communications network tester of claim 1, wherein the backplane is further provided with at least one of the following modules:

the storage module is electrically connected with the main control module and used for storing the test data;

the network switching module is electrically connected with the main control module, and is used for connecting external network equipment and performing data interaction with the external network equipment;

the first sound card module is electrically connected with the main control module and is used for performing voice test.

5. The communication network tester according to claim 1, wherein the test board is further provided with:

the hot plug management module is electrically connected with the interface communication module;

a first DC/DC module electrically connected with the hot plug management module,

the MCU is respectively and electrically connected with the interface communication module, the test module and the first DC/DC module;

and the SIM card module is respectively and electrically connected with the MCU and the test module.

6. The communication network tester according to claim 1, wherein the test board is provided with two of the test modules, and further provided with a second sound card module for testing the quality of talking voice between the two test modules.

7. The communications network tester of claim 1, wherein the communications module comprises at least one of a MODEM unit, a WiFi unit, and a bluetooth unit.

8. The communications network tester of claim 1, wherein the wireless transceiver board is further provided with at least one of a GPS module and an indicator light module.

9. The communication network tester of claim 1, wherein the power strip comprises:

the power input socket is used for connecting an external power supply;

a built-in battery;

the input end of the power supply switching module is electrically connected with the power supply input socket and the built-in battery respectively;

the input end of the second DC/DC module is electrically connected with the output end of the power supply switching module, and the output end of the second DC/DC module is used for providing working power supply for the bottom plate, the test plate and the wireless transceiver plate;

and the input end of the charge-discharge module is electrically connected with the output end of the power supply switching module, and the output end of the charge-discharge module is electrically connected with the built-in battery.

10. The communication network tester of claim 9, wherein the power strip is further provided with a power protection module, the power protection module being electrically connected to the power input socket.