CN212305359U - M.2 changes portable way of 5G communication of USB interface and surveys instrument - Google Patents
M.2 changes portable way of 5G communication of USB interface and surveys instrument Download PDFInfo
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- CN212305359U CN212305359U CN202021057154.1U CN202021057154U CN212305359U CN 212305359 U CN212305359 U CN 212305359U CN 202021057154 U CN202021057154 U CN 202021057154U CN 212305359 U CN212305359 U CN 212305359U
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Abstract
The utility model discloses a portable way of survey instrument of 5G communication of M.2 commentaries on classics USB interface, which comprises a mainboard, be equipped with the power supply mouth on the mainboard, the power supply mouth links to each other with the 5G module of M.2 interface through first order DC power supply conversion module, second level DC power supply conversion module, first order DC power supply conversion module links to each other with SIM card power module simultaneously, the 5G module of M.2 interface links to each other with signal encoder module, and the 5G module of M.2 interface still is connected with the function button. The technical scheme solves the problem of conversion between the communication module and the M.2 protocol, provides a standard unified interface, can realize the common conversion mode of different modules, provides a standard USB2.0 and USB3.0 compatible interface design, provides a power supply meeting the power supply capacity required by the 5G communication module, ensures the performance from an external power supply to the M.2 standard voltage, ensures the capacity of 4A of output current, controls the differential pressure within 3.3V +/-0.1V and controls the ripple within 70mV-100 mV.
Description
Technical Field
The utility model relates to a communication test field especially relates to a portable drive test instrument of 5G communication of M.2 commentaries on classics USB interface.
Background
With the development of globalization technology, the 5G era has been formally advanced in the field of communications, the rapid development of 5G provides a good foundation for the industrial internet, and 5G mainly has three application scenarios, including: the eMBB enhances the mobile broadband, the uRLLC is low in time delay and high in reliability, and mMTC is large in mass connection. In future factories, many aspects correspond to the three scenes, such as a 5G industrial internet intelligent gateway, so that 5G wireless communication data can meet the data requirements of industrial field devices, such as industrial cameras and AVG trolleys, massive interconnection needs to be embodied, and the method has the maximum characteristics of large bandwidth, low delay, high reliability and the like.
The existing communication network testing tool has single function, cannot fully embody the communication characteristics and the powerful functions of 5G, has larger volume and is not beneficial to carrying by developers or network maintenance technicians. Therefore, in the multi-field application, it is increasingly necessary to provide a set of test development tools for testing the 5G network on site and experiencing the superiority of 5G communication.
Chinese patent document CN210465652U discloses a "portable multi-interface communication cable test tool". The multifunctional relay plug-in connector comprises a network tester, a signal relay module and a multifunctional interface, wherein the signal relay module and the multifunctional interface are arranged on a relay plug-in connector shell, output, input and control signals of the signal relay module are connected with the network tester in a pluggable mode through an RJ45 interface arranged on the relay plug-in connector shell, an inner side signal wire of the multifunctional interface is connected with the signal relay module, a light emitting diode group matched with each plug is further arranged on the relay plug-in connector shell, and the number of light emitting diodes in each group is equal to the number of pins corresponding to the plugs or the interfaces. The communication network testing tool in the technical scheme has a single function, and cannot fully embody the communication characteristics and the powerful functions of 5G.
Disclosure of Invention
The utility model discloses it is single mainly to solve original communication network test tool function, the big technical problem partially, a 5G communication portable drive test instrument of M.2 commentaries on classics USB interface is provided, the conversion between communication module and the M.2 agreement has been solved, the unified interface that provides the standard can realize the conversion form that different modules can share, USB2.0 and the compatible interface design of USB3.0 of standard have been provided, the power supply who satisfies the power supply ability that 5G communication module required has been provided, the performance from external power supply to M.2 standard voltage has been ensured, ensure output current and guarantee 4A's capacity, differential pressure control is within 3.3V +/-0.1V, ripple control is within 70mV-100 mV.
The above technical problem of the present invention can be solved by the following technical solutions: the utility model discloses a mainboard, be equipped with the power supply mouth on the mainboard, the power supply mouth links to each other with the 5G module of M.2 interface through first order DC power supply conversion module, second level DC power supply conversion module, first order DC power supply conversion module links to each other with SIM card power module simultaneously, the 5G module of M.2 interface links to each other with signal encoder module, and the 5G module of M.2 interface still is connected with the function button. The main body of the 5G portable development and test tool is called a mainboard, the external main body for a standard M.2 interface is called a communication board, the communication board is a main body board mainly used for testing 5G and development, the interface of the communication board conforms to the standard M.2 interface specification, and the mainboard is mainly used for providing necessary information such as a power supply, an interface, a development peripheral function circuit and the like for the communication board.
Preferably, the power supply port comprises a DCIN power supply port and a USB power supply port, wherein 12V direct current is input to the DCIN power supply port, and 5V direct current is input to the USB power supply port. The power supply of the mainboard can be realized through two power supply modes of an external DCIN and a USB. And under the condition that the external power supply exists, the external power supply is preferentially adopted to supply power to the whole machine, and under the condition that the external power supply does not exist, the USB is used as a power supply to supply power to the whole machine.
Preferably, the power input end of the first-stage dc power conversion module is connected to the power supply port, and the power output end of the first-stage dc power conversion module, which converts the input 12V dc power into 5V dc power, is connected to the power input end of the second-stage dc power conversion module and the power input end of the SIM card power supply module. The external power supply adopts a high-performance DCDC power conversion circuit, can realize high conversion efficiency of the power supply, and simultaneously provides the power supply of 2 SIM cards.
Preferably, the power output end of the second-stage direct-current power conversion module for converting the 5V direct current into the 3.3V direct current is connected with the power input end of the 5G module of the m.2 interface. The 3.3V power supply meeting the M.2 requirement is obtained through the second-stage power supply conversion circuit, and the circuit design meets the requirement of the 5G communication module on high current.
Preferably, the second-stage direct-current power supply conversion module is connected with a power indicator lamp. The DCIN supplies power to the mainboard, and the power indicator lamp can light up at the moment, which shows that the complete power supply circuit of M.2 is normal.
Preferably, the signal encoder module includes a signal encoder circuit, and the signal encoder circuit is connected to an eashop interface and a speech interface. Through the reserved speech interface and the earhole interface, the audio function of 5G can be shown through the AT instruction command.
Preferably, the function keys include a RST reset key, an ON/OFF switch key, a USB determined USB detect key, and a SLEEP/wake key. And the function controlled by the communication board is realized through the standard IO port of the M.2 interface.
Preferably, the 5G module of the M.2 interface is connected with a sleep indicator lamp. The SLEEP indicator lamp is used for displaying the state of the whole machine, so that the SLEEP indicator lamp is operated through a SLEEP/wake-up key.
The utility model has the advantages that:
1. the 5G network testing tool is convenient and portable in the field of the Internet of things, and can be used as a research and development and network maintenance person to evaluate the network and the Internet of things equipment by using the 5G network testing tool.
2. This mainboard provides the M.2 interface of standard, and applicable all kinds of 5G communication module can realize convenient the change in the test of different platforms in the open air, and maneuverability and practicality are strong. The unqualified product leaving factory caused by poor 5G network signals is avoided, and economic loss is avoided.
3. The conversion between the communication module and the M.2 protocol is solved, a standard unified interface is provided, the conversion form that different modules can be shared can be realized, and the standard USB2.0 and USB3.0 compatible interface design is provided.
4. The power supply meeting the power supply capacity required by the 5G communication module is provided, the performance from an external power supply to M.2 standard voltage is ensured, the capacity of 4A is ensured, the voltage difference is controlled within 3.3V +/-0.1V, and the ripple is controlled within 70mV-100 mV.
Drawings
Fig. 1 is a block diagram of a circuit principle connection structure of the main board of the present invention.
Figure 2 is a MICRO B interface circuit of the present invention.
Fig. 3 is a first-stage dc power conversion circuit of the present invention.
Fig. 4 is a second stage dc power conversion circuit of the present invention.
Fig. 5 is a SIM card power supply circuit of the present invention.
Fig. 6 is a signal codec circuit of the present invention.
In the figure, a power supply port is 1, a first-stage direct-current power supply conversion module is 2, a second-stage direct-current power supply conversion module is 3, a SIM card power supply module is 4, a 5G module of a 5 M.2 interface, a signal encoder module is 6, a power indicator lamp is 7, and a sleep indicator lamp is 8.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1, the 5G communication portable drive test tool with an m.2-to-USB interface in this embodiment includes a main board, a main body of the 5G portable development and test tool is called the main board, an external main body for a standard m.2 interface is called a communication board, the communication board is a main body board mainly used for testing 5G and development, an interface of the communication board conforms to a standard m.2 interface specification, and the main board is mainly used for providing necessary information such as a power supply, an interface, and peripheral functional circuit development for the communication board.
Be equipped with power supply mouth 1 on the mainboard, power supply mouth 1 includes DCIN power supply mouth and USB power supply mouth, and 12V direct currents are imported to DCIN power supply mouth, and 5V direct currents are imported to USB power supply mouth. And under the condition that the external power supply exists, the external power supply is preferentially adopted to supply power to the whole machine, and under the condition that the external power supply does not exist, the USB is used as a power supply to supply power to the whole machine.
The power supply port 1 is connected with the 5G module 5 of the m.2 interface through the first-stage dc power conversion module 2 and the second-stage dc power conversion module 3, as shown in fig. 3, the power input end of the first-stage dc power conversion module 2 is connected with the power supply port 1, and the power output end of the first-stage dc power conversion module 2, which converts the input 12V dc power into 5V dc power, is connected with the power input end of the second-stage dc power conversion module 3. The external power supply adopts a high-performance DCDC power conversion circuit, and high conversion efficiency of the power supply can be realized.
As shown in fig. 4, the power output end of the second stage dc power conversion module 3 for converting 5V dc power into 3.3V dc power is connected to the power input end of the 5G module 5 of the m.2 interface. The 3.3V power supply meeting the M.2 requirement is obtained through the second-stage power supply conversion circuit, and the circuit design meets the requirement of the 5G communication module on high current. The second-stage direct-current power supply conversion module 3 is connected with a power supply indicator lamp 7. The DCIN supplies power to the mainboard, and the power indicator lamp can light up at the moment, which shows that the complete power supply circuit of M.2 is normal. The 5G module 5 of the M.2 interface is connected with a sleep indicator lamp 8. The SLEEP indicator lamp is used for displaying the state of the whole machine, so that the SLEEP indicator lamp is operated through a SLEEP/wake-up key.
As shown in fig. 5, the power output end of the first-stage dc power conversion module 2 that converts the input 12V dc power into 5V dc power is connected to the power input end of the SIM card power supply module 4, and simultaneously supplies power to 2 SIM cards in the SIM card power supply module 4. And the control level switching of the SIM1 and the SIM2 is realized by adopting a low-power consumption and dual-channel SIM card analog switch.
As shown in fig. 6, the 5G module 5 of the m.2 interface is connected to the signal encoder module 6, and the signal encoder module 6 includes a signal encoder circuit, and the signal encoder circuit is connected to an ear pin interface and a speech interface. Through the reserved speech interface and the earhole interface, the audio function of 5G can be shown through the AT instruction command.
As shown in fig. 2, the 5G module 5 of the m.2 interface is also connected with function keys. The function keys comprise an RST reset key, an ON/OFF switch machine key, a USB DECETED USB detection key and a SLEEP SLEEP/wake-up key. And the function controlled by the communication board is realized through the standard IO port of the M.2 interface.
During the use, accomplish mainboard and communication board through M.2 standard interface equipment, insert the SIM draw-in groove of mainboard with 5G SIM card, acquiesce SIM1 card, the control IO that the accessible provided combines communication board to switch the SIM card to SIM2 card. The POWER adapter supplies POWER to the mainboard through the DCIN, the POWER indicator lamp, namely the POWER indicator lamp in the mainboard, is lightened at the moment, the fact that a complete POWER supply circuit of the M.2 is normal is shown, one end of the USB data line is connected with the PC, the other end of the USB data line is connected with the Mirco-B ON the mainboard, the Mirco-B accords with the USB3.0 protocol specification and can support the USB2.0 and the USB3.0, and the RST reset key, the ON/OFF switch machine key, the USB DETECT USB detection key and the SLEEP SLEEP/wake-up key which are provided by the mainboard can be automatically operated and controlled according to the communication board, so that the basic function requirements of 5G communication are met. And an LED indicator lamp is provided for the working state of the 5G module, and the working state of the current communication board is displayed. Through the reserved speech and earhole interfaces, the audio function of 5G can be shown through AT instruction commands.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms power supply port, conversion module, m.2 interface, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (8)
1. The utility model provides a portable way of survey instrument of 5G communication of M.2 commentaries on classics USB interface, a serial communication port, includes the mainboard, be equipped with power supply mouth (1) on the mainboard, power supply mouth (1) links to each other with 5G module (5) of M.2 interface through first order DC power supply conversion module (2), second level DC power supply conversion module (3), first order DC power supply conversion module (2) link to each other with SIM card power module (4) simultaneously, 5G module (5) of M.2 interface link to each other with signal encoder module (6), and 5G module (5) of M.2 interface still are connected with the function button.
2. The portable road test tool for 5G communication of M.2 to USB interface of claim 1, wherein the power supply port (1) comprises a DCIN power supply port and a USB power supply port, the DCIN power supply port inputs 12V DC, and the USB power supply port inputs 5V DC.
3. The portable road test tool for 5G communication with M.2-to-USB interface according to claim 1, wherein the power input terminal of the first stage DC power conversion module (2) is connected to the power supply port (1), and the power output terminal of the first stage DC power conversion module (2) for converting the input 12V DC power into 5V DC power is connected to the power input terminal of the second stage DC power conversion module (3) and the power input terminal of the SIM card power supply module (4).
4. The portable road test tool for 5G communication with M.2-to-USB interface according to claim 3, wherein the power output terminal of the second stage DC power conversion module (3) for converting 5V DC to 3.3V DC is connected to the power input terminal of the 5G module (5) of M.2 interface.
5. The 5G communication portable drive test tool for the M.2 to USB interface of claim 1, wherein the second stage DC power conversion module (3) is connected with a power indicator lamp (7).
6. The 5G communication portable drive test tool for the M.2 to USB interface of claim 1, wherein the signal encoder module (6) comprises a signal encoder circuit, and the signal encoder circuit is connected with an EARPHONE interface and a SPEAKER interface.
7. The portable drive test tool for 5G communication of M.2-USB interface of claim 1, wherein the function keys include RST reset key, ON/OFF switch key, USB DECETED USB detection key and SLEEP SLEEP/wake-up key.
8. The portable drive test tool for 5G communication of M.2-USB interface according to claim 1, wherein the 5G module (5) of M.2 interface is connected with the sleep indicator lamp (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021057154.1U CN212305359U (en) | 2020-06-10 | 2020-06-10 | M.2 changes portable way of 5G communication of USB interface and surveys instrument |
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| CN202021057154.1U CN212305359U (en) | 2020-06-10 | 2020-06-10 | M.2 changes portable way of 5G communication of USB interface and surveys instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157410A (en) * | 2021-11-25 | 2022-03-08 | 国网浙江省电力有限公司信息通信分公司 | Lightweight 5G hard encryption communication module for power terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157410A (en) * | 2021-11-25 | 2022-03-08 | 国网浙江省电力有限公司信息通信分公司 | Lightweight 5G hard encryption communication module for power terminal |
| CN114157410B (en) * | 2021-11-25 | 2024-04-19 | 国网浙江省电力有限公司信息通信分公司 | Lightweight 5G hard encryption communication module for power terminal |
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Address after: Room 100, no.1321, Wencang street, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG LIERDA INTERNET OF THINGS TECHNOLOGY Co.,Ltd. Address before: Room 100, no.1321, Wencang street, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Lianxin Internet of things Technology Co.,Ltd. |