CN206099997U - Radio frequency module adjusting circuit - Google Patents

Abstract

The utility model discloses a radio frequency module adjusting circuit, including the frock that is used for testing radio frequency module of taking the USB interface, be provided with the mouth of trying from dynamic testing in the frock, try mouthful and USB interface connection from dynamic testing, connect from dynamic testing examination interface and communication module, still be provided with the processing module who converts test platform's order into control radio frequency module's order in the frock, communication module and processing module are connected, and processing module and power dynamic testing 2 are connected. The utility model provides a radio frequency module adjusting system, try mouthful and the hand dynamic testing mouth of trying from dynamic testing through being provided with, the user can the arbitrary selection, and the USB interface is all chooseed for use to overall interface, make test interface and debugging control interface all unify, and simultaneously, processing module can convert test platform's order into the order of control radio frequency module, the realization is to radio frequency module's debugging and test, the compatibility of whole adjusting system has further been improved, the cost had both been saved, improving work efficiency.

Description

A kind of radio-frequency module commissioning circuit

Technical field

This utility model is related to radio frequency commissioning technical field, more particularly to a kind of radio-frequency module commissioning system of highly compatible System.

Background technology

With the development of science and technology, radio-frequency module transmission is widely used in vehicle monitoring, remote control, remote measurement, micro radio net Network, radio meter register, gate control system, cell call, industrial data acquisition system, wireless identification tag, identification, non-contact RF intelligence Card, micro radio data terminal, fire safety system, wireless remote-control system, biological signal collecting, hydrometeorology monitoring, machine In the fields such as people's control, wireless 232 data communication, wireless 485/422 data communication, DAB, Digital Image Transmission.

The equal disunity of control interface of current each communication equipment business's different radio frequency module, traditionally radio-frequency module manufacturer need to It is to the individually designed test fixture of each radio-frequency module and many without automatic test interface.This increases cost, also have impact on effect Rate.

Utility model content

For weak point present in above-mentioned technology, this utility model provides a kind of radio-frequency module commissioning circuit, can Compatible various radio-frequency modules and manually and automatically test module.

For achieving the above object, this utility model provides a kind of radio-frequency module commissioning circuit, including the use with USB input Automatic test interface and manual test interface, the automatic test are provided with the frock of testing RF module, the frock Interface and manual test interface are all connected with 3.3VUSB interfaces, the automatic test interface and manual test interface all with communication Module connects, and the automatic test interface carries out selection control with manual test interface by control module, in the frock also It is provided with the processing module of the order that the order of test platform is converted to control radio-frequency module, the communication module and process mould Block is electrically connected, and the processing module is connected with power management module, and the processing module adopts LPC1114 chips, the control Module is electrically connected with LPC1114 chips, and USB input is electrically connected with USB modular converters, and USB modular converter outfans are Filter capacitor C14 is also associated with 3.3VUSB interfaces, and the outfan, the USB modular converters adopt FT232RL cores Piece, the FT232RL chips are electrically connected with LPC1114 chips, and the RXD feet of the FT232RL chips pass through the partial pressure of resistance R1 It is connected with LPC1114 afterwards, the TXD feet of the FT232RL chips are connected after resistance R2 with LPC1114.

Wherein, burning module is additionally provided with the processing module, the burning module is electrically connected with LPC1114 chips, Also electrically connect with 3.3VUSB interfaces simultaneously, the input of LPC1114 chips and burning module with outfan and respectively with two points Piezoresistance R9 and R7 connect, and two divider resistance R9 and R7 connect the USB interface of 3.3V simultaneously.

Wherein, the selecting switch for selecting automatic test interface or manual test interface is provided with the control module, The position of the vdd terminal of the LPC1114 of control module connection processing module is also connected with resistance R6 simultaneously, the other end of resistance R6 also with 3.3VUSB interfaces connect.

Wherein, at least one LED for indicating test mode, test item and working condition is additionally provided with the frock Lamp, described LED one end electrically connects with the LPC1114 of processing module, and the other end is connected with 3.3VUSB interfaces.

Wherein, it is also associated with input voltage on the FT232RL chips of the USB modular converters and the connection end of USB interface Resistance R3 is in series with protection device, and the connecting line of the USBDM interfaces of apparatus for protecting power supply and FT232RL chips, it is described Resistance R4 is in series with the connecting line of the USBDP interfaces of FT232RL chips.

Wherein, all USB interface of total interface in the frock.

The beneficial effects of the utility model are：Compared with prior art, the radio-frequency module commissioning electricity that this utility model is provided Road, by arranging automatic test interface and manual test interface, user can be selected arbitrarily, and the interface of whole is all selected USB interface, makes test interface and debugging control interface all unify, and with LPC1114 chips as its processing module, using one USB interface is while compatible various radio-frequency modules, additionally, processing module not only can carry out the test of radio-frequency module, can also enter The debugging of row radio-frequency module, further increases the compatibility of whole commissioning circuit, so as to without the need for setting to different radio-frequency modules Different frocks are put, cost has both been saved, work efficiency is also improved.

Description of the drawings

Fig. 1 is the radio-frequency module commissioning circuit internal module structural representation of this utility model embodiment；

Fig. 2 is the frock internal circuit schematic diagram of this utility model embodiment；

Fig. 3 is the commissioning schematic diagram of this utility model embodiment.

Main element symbol description is as follows：

1st, frock 2, radio-frequency module

3rd, computer 11, communication module

12nd, processing module 13, control module

14th, power management module.

Specific embodiment

In order to more clearly state this utility model, this utility model is further described below in conjunction with the accompanying drawings.

In radio-frequency module commissioning circuit, it is most important that the frock of test, due to current different radio frequency Module manufacturers institute Test fixture is different, substantially increases testing cost, thus solve the compatibility of the frock of test to lower testing cost and Its is important.Because its data transmission interface has various, data transfer for convenience, this utility model all adopts the interface of frock With USB interface, USB interface is very wide using field, and realization mechanism is simple, technology relative maturity, therefore using the interface mode, The transmission speed of data is not interfered with.

Fig. 1-Fig. 2 is referred to, in the present embodiment, the main inside module of frock includes processing module 12, control module 13rd, power management module 14 and communication module 11, wherein, power management module 14 simultaneously with processing module 12 and control module 13 Connection so that whole frock 1 is powered, control module 13 is connected with processing module 12, communication module 11 also with process mould Block 12 connects.In the present embodiment, it is provided with automatic test interface and manual test interface, and test interface and surveys manually automatically Mouth of trying all is connected with USB interface, and in order to reduce volume, automatic test interface and manual test interface are shared one by the present embodiment Individual USB input, and the USBDM interfaces of USB input and USBDP interfaces respectively through after a voltage protection respectively It is connected with USBDP interfaces with the USBDM interfaces of USB modular converters, and in connecting wire, also sets up divider resistance R3 and R4, In the present embodiment, the VCC ends connection power supply of USB interface, USB modular converters adopt FT232RL chips, its OUT terminal connection 3.3V USB interface and 0.1UF filter capacitor C14, FT232RL chips electrically connect with processing module 12, in the present embodiment, process Module 12 adopts LPC1114 chips, and asynchronous data input RXD feet and the P1.6 feet of LPC1114 of FT232RL chips are electrically connected Connect, and protected by resistance R1 partial pressures, the asynchronous data output TXD feet of FT232RL chips are electrically connected with the P1.7 feet of LPC1114 Connect, and protected by voltage R2 partial pressures.

Processing module 12 is electrically connected with control module 13, and the automatic test interface of selection or handss are provided with control module 13 When the selecting switch of dynamic test interface, such as switching toggle are to the left side, automatic test interface work, transmission means is transmitted simultaneously for automatic Tested, when switching toggle is to the right, manual test interfaces, needs are manually entered the test parameter of correlation, and The step of manually selecting test.Specifically, the VDD feet of the LPC1114 chips of control module one end connection processing module 12, another End is connected with the P0.0 feet of LPC1114 chips, meanwhile, the vdd terminal of LPC1114C is electrically connected by resistance R10 and 3.3V USB interface Connect.

In the present embodiment, test or the state debugged are checked for convenience, LED are additionally provided with frock 1, specifically , LED is electrically connected with processing module 12, in the present embodiment, is provided with two LEDs, the first LED R5 and LPC1114 The electrical connection of P1.9 feet, and the second LED R6 electrically connect with the P2.9 feet of LPC1114, and the first LED R5 is for instruction test side The LED of formula and working condition, such as carry out test mode when the first LED R5 green light is represented, and for normal work State, and the first LED R5 glows, and represents that test makes a mistake, the first LED R5 is gone out, and is represented and do not carry out test job, In the present embodiment, the second LED R6 be used for indicate debud mode and working condition, when the second LED R6 green light is represented Carrying out debugging tool, and for normal operating conditions, and the second LED R6 glows, and represents that debugging makes a mistake, second LED R6 is gone out, and is represented and do not carry out debugging efforts.And the selection with test is debugged, can be carried out by software in the present embodiment Select, it is also possible to selected by the selecting switch in control module.

In the present embodiment, burning module is additionally provided with, its P3.1 foot is connected with the input of burning module, LPC1114 The P3.0 feet of chip are connected with the outfan of burning module, the input of burning module and outfan again respectively with two partial pressure electricity Electrically connect with 3.3VUSB interfaces after resistance R9 and R7 connections, wherein resistance R9 and R7 resistances are all 10K, by burning module, can be with In the burned chip to LPC1114 of relevant parameter that control is tested, to be tested, and, it is very square by the 3.3V USB interface Just the upgrading modified with system, makes performance more optimize.In test process, can also by with P3.1 feet and P3.0 feet 3rd LED R11 and the 4th LED R8 of connection is indicated, such as when during programming, the 3rd LED R11 does not stop to dodge Bright, and the 4th LED R8 greening after programming success, when programming mistake, the second LED R8 reddens warning.

Fig. 3 is referred to, in the present embodiment, the order of test platform can be converted to control radio frequency mould by processing module 12 The order of block, processing module 12 is connected with communication module 11, and control module 13 is also connected with processing module 12, in this utility model The automatic test interface of self-defining communication protocol specification is used, during automatic mode, test item has been selected by software interface, therefore can be with Without the need for manually operating, only relevant interface parameter need to be defined, frock 1 be connected into computer 3 and radio-frequency module 2, to radio frequency mould The power supply of block 2 can be tested automatically, and the serial communication Configuration of baud rate of wherein interface is usually arranged as 9600, no parity check, if Put 8 data bit, 1 stop position.

Advantage of the present utility model is：

1）In the present embodiment, compatible manually and automatically pattern is selected by the controlling switch in control module, both may be used For debugging, it is also possible to test, the scope of application is wider;

2）Unified debugging control interface, is all USB excuses, and use habit can continue, and be conducive to Rapid Popularization；And it is compatible The test of multiple radio-frequency modules, convenient extension, saves cost;

3）Automatic test interface can be carried out, automatically testing platform is easy to maintain；Led to using USB interface and automatically testing platform The order of test platform is converted to letter, the system order of control radio-frequency module, realizes debugging and test to radio-frequency module, Improve work efficiency.

Disclosed above is only several specific embodiments of the present utility model, but this utility model is not limited to this, The changes that any person skilled in the art can think of should all fall into protection domain of the present utility model.

Claims (6)

1. a kind of radio-frequency module commissioning circuit, it is characterised in that include the work for testing RF module with USB input Dress, is provided with automatic test interface and manual test interface, the automatic test interface and manual test interface in the frock All it is connected with 3.3VUSB interfaces, the automatic test interface and manual test interface are all connected with communication module, the automatic survey Mouth of trying carries out selection control with manual test interface by control module, is additionally provided with the life of test platform in the frock Order is converted to the processing module of the order of control radio-frequency module, and the communication module is electrically connected with processing module, the process mould Block is connected with power management module, and the processing module adopts LPC1114 chips, the control module and LPC1114 chips electricity Connection, USB input electrically connects with USB modular converters, and USB modular converters outfan is 3.3VUSB interfaces, and the output Be also associated with filter capacitor C14 on end, the USB modular converters adopt FT232RL chips, the FT232RL chips with LPC1114 chips are electrically connected, and the RXD feet of the FT232RL chips are connected after the partial pressure of resistance R1 with LPC1114, described The TXD feet of FT232RL chips are connected after resistance R2 with LPC1114.

2. radio-frequency module regulating and measuring system according to claim 1, it is characterised in that burning is additionally provided with the processing module Record module, the burning module is electrically connected with LPC1114 chips, while also electrically connecting with 3.3VUSB interfaces, LPC1114 chips It is connected with two divider resistances R9 and R7 respectively again with outfan with the input of burning module, two divider resistances R9 and R7 are same When connect 3.3V USB interface.

3. radio-frequency module regulating and measuring system according to claim 1, it is characterised in that selection is provided with the control module The selecting switch of automatic test interface or manual test interface, the vdd terminal of the LPC1114 of control module connection processing module Position is also connected with resistance R6 simultaneously, and the other end of resistance R6 is also connected with 3.3VUSB interfaces.

4. radio-frequency module regulating and measuring system according to claim 1, it is characterised in that at least is additionally provided with the frock Small cup is used to indicate the LED of test mode, test item and working condition that described LED one end to be electric with the LPC1114 of processing module Connection, the other end is connected with 3.3VUSB interfaces.

5. radio-frequency module regulating and measuring system according to claim 1, it is characterised in that the FT232RL of the USB modular converters Input voltage protection device, and apparatus for protecting power supply and FT232RL chips are also associated with chip and the connection end of USB interface Resistance R3 is in series with the connecting line of USBDM interfaces, on the connecting line of the USBDP interfaces of the FT232RL chips electricity is in series with Resistance R4.

6. the radio-frequency module regulating and measuring system according to claim 1-5 any one, it is characterised in that the institute in the frock There are all USB interface of interface.