CN205105224U - Micropower wireless communication module testing arrangement - Google Patents
Micropower wireless communication module testing arrangement Download PDFInfo
- Publication number
- CN205105224U CN205105224U CN201520727517.0U CN201520727517U CN205105224U CN 205105224 U CN205105224 U CN 205105224U CN 201520727517 U CN201520727517 U CN 201520727517U CN 205105224 U CN205105224 U CN 205105224U
- Authority
- CN
- China
- Prior art keywords
- circuit
- module
- wireless communication
- communication module
- micropower wireless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
Micropower wireless communication module testing arrangement, including anchor clamps, test module, ampere meter and voltmeter, anchor clamps include base, operating handle, holding down plate and support plate, test module sets up and is connected in the base and with the support plate electricity, test module includes power switching circuit, and power switching circuit links to each other with ampere meter, voltmeter and singlechip, level shifting circuit, 485 circuit, the singlechip changes USB circuit, 485 circuit, the module interface that awaits measuring, level shifting circuit and RF switch module with the serial ports respectively and links to each other, and the singlechip acquires current value and magnitude of voltage through 485 circuit, and the serial ports changes the USB circuit and links to each other with USB interface module, and the level shifting circuit and the module interface that awaits measuring are connected, and the input of RF switch module is connected with the examination micropower wireless communication module's that awaits measuring radio frequency interface, and signal source and frequency spectrograph are connected respectively to the output. The utility model discloses test items is covered extensively, and mutual independence, can satisfy different test schemes through nimble configuration.
Description
Technical field
The utility model belongs to wireless communication technology field, particularly relates to a kind of testing apparatus of micropower wireless communication module.
Background technology
Micropower wireless communication module has that cost is low, volume is little, is convenient to advantages such as installing, working stability is reliable, now large-scale application in fields such as radio meter register, security alarm, household and industrial automations.Large-scale application, makes production efficiency become the bottleneck of micropower wireless communication module popularization.For ensureing production shipment speed, reducing substandard products shipment rate, ensureing the quality of production, need product to be carried out to multiple performances such as electric current, voltage, receiving sensitivity, tranmitting frequency, transmitting power in production process and test.The artificial mode of current employing is tested one by one to these performances, seriously reduces production efficiency, affect supply of material speed, and reliability is not high.
Utility model content
The purpose of this utility model be to provide a kind of rapidly and efficiently, the micropower wireless communication module testing apparatus that reliable convenient, automaticity is high.
To achieve these goals, the utility model takes following technical solution:
Micropower wireless communication module testing apparatus, comprise: fixture, test module, ammeter and voltmeter, described fixture comprises base, the operating grip be arranged on described base, drive the lower platen moved up and down and the support plate be arranged on described base by described operating grip, described support plate is positioned at below described lower platen, described test module is arranged in described base, and described support plate is electrically connected with described test module; Described test module comprises: the power-switching circuit be connected with external power source, and described power-switching circuit is connected with described ammeter, voltmeter and following single-chip microcomputer, level shifting circuit, 485 circuit; Described single-chip microcomputer turns USB circuit, 485 circuit, module interface to be measured, level shifting circuit and radio-frequency switch module respectively and is connected with serial ports, described single-chip microcomputer obtains current value and magnitude of voltage by described 485 circuit, described serial ports turns USB circuit and is connected with usb interface module, described level shifting circuit is connected with described module interface to be measured, the input of described radio-frequency switch module is connected with the radio frequency interface of micropower wireless communication module to be tested, and output is connecting signal source and frequency spectrograph respectively.
Further, described test module also comprises the indicator light circuit be connected with described single-chip microcomputer.
Further, the described power-switching circuit isolating switch power chip that comprises the LDO power conversion chip be connected with voltmeter with described ammeter, the LDO power conversion chip be connected with described level shifting circuit, the LDO power conversion chip be connected with described single-chip microcomputer and be connected with described 485 circuit.
Further, the pin of described single-chip microcomputer is connected a 10K resistance and 100pF electric capacity.
Further, the pin series connection esd protection diode of described single-chip microcomputer.
Further, the model of described radio-frequency switch module is UPG2179TB-E4-A.
Further, the model of described 485 circuit is MAX13085EESA.
From above technical scheme, micropower wireless communication module testing apparatus of the present utility model is adopted and is communicated with PC by serial ports, by 485 circuit intelligence read current, magnitudes of voltage, contain electric current and voltage tester, configuration radio-frequency switch module, can simultaneously connecting signal source and frequency spectrograph, facilitate tester's testing and launching and reception project simultaneously, reduce between frequency spectrograph and signal source, switch loaded down with trivial details operation, save the testing time, enhance productivity, test event contains extensively, and separate, different testing schemes can be met.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment, simple introduction is done below by the accompanying drawing used required in embodiment or description of the prior art, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the circuit block diagram of the utility model test module.
Fig. 3 is the schematic diagram of a kind of Application Example of the utility model.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in more detail.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail; when describing the utility model embodiment in detail, for ease of illustrating, represent that the accompanying drawing of device architecture can be disobeyed general ratio and be done partial enlargement; and described schematic diagram is example, it should not limit the scope of the utility model protection at this.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, clearly aid illustration the utility model embodiment.
As shown in Figure 1, the utility model comprises fixture 1, test module 2, ammeter 3 and voltmeter 4, described fixture 1 comprises base 1-1, be arranged at the operating grip 1-2 on base 1-1, the lower platen 1-3 moved up and down is driven by operating grip 1-2, and the support plate 1-4 be arranged on base 1-1, lower platen 1-3 lower surface is provided with thimble (not shown), test module 2 is arranged in base 1-1, support plate 1-4 is electrically connected with test module 2, when communication module to be measured is positioned on support plate 1-4, by pull-up operating grip 1-2, lower platen 1-3 is moved down, lower platen and thimble are pressed in communication module to be measured, communication module to be measured and test module 2 are connected.Operating grip of the present utility model is connected with lower platen by connecting rod (not shown), and lower platen to be arranged on guide rod and can to move up and down along guide rod, and operating grip adopts lever type connecting structure drive lower platen conventional in Machine Design to move.
As shown in Figure 2, test module 2 of the present utility model comprises the power-switching circuit 2-1 be arranged on printed circuit board (PCB), usb interface module 2-2, serial ports turns USB circuit 2-3, single-chip microcomputer 2-4, level shifting circuit 2-5,485 circuit 2-6, radio-frequency switch module 2-7, module interface 2-8 to be measured, each circuit or intermodule are connected by the circuit on circuit board, and template interface to be measured is connected with the interface on support plate by electric wire.Preferably, test module 2 also comprises indicator light circuit 2-9, indicator light circuit 2-9 is connected with single-chip microcomputer 2-4, be used to indicate power supply, reception and transmission state, in order to distinguish microcontroller serial port, USB serial ports is from the reception between PC and send different states, adopt the light-emitting diode of green paster and red patch to represent respectively and receive and send, use red patch light-emitting diode instruction on/off situation in addition.
Power-switching circuit 2-1 and single-chip microcomputer 2-4, level shifting circuit 2-5 and 485 circuit 2-6 is connected, power-switching circuit 2-1 of the present utility model adopts LDO and insulating power supply two kinds of modes to carry out Power convert, power-switching circuit 2-1 is connected with external power source, 12V source of stable pressure is adopted to power, outside output 4 road power supply, wherein, 3 LDO power conversion chips are adopted to export 3 road voltages respectively: voltage transitions is 9V by a road is that ammeter 3 and voltmeter 4 are powered, voltage transitions is 5V by another road is that level shifting circuit 2-5 powers, voltage transitions is 3.3V by one tunnel is that single-chip microcomputer 2-4 and indicator light circuit 6 are powered, adopting isolating switch power chip to carry out isolated from power output, is that 5V supplies 485 circuit 2-6 by voltage transitions.Reach 20V because 485 chip power supply voltages are maximum, pour in down a chimney to prevent voltage and export to 5V power supply, therefore adopt isolating switch power chip to connect 485 circuit.
Single-chip microcomputer 2-4 turns USB circuit 2-3, level shifting circuit 2-5,485 circuit 2-6, radio-frequency switch module 2-7 and module interface 2-8 to be measured respectively and is connected with serial ports.Wherein, serial ports turns USB circuit 2-3 and is connected with usb interface module 2-2, for being USB standard interface level by the serial port level conversion of single-chip microcomputer, to realize the data communication of single-chip microcomputer by usb interface module and outer computer.Level shifting circuit 2-5 is that micropower wireless communication module to be tested is powered, and for the level conversion of voltage between 3.3V and 5V, no matter make module output level to be measured be 3.3V or 5V, the level of supply single-chip microcomputer is always 5V.The conversion that level shifting circuit can adopt the mode of triode and pull-up resistor to realize level.The serial ports of the present embodiment turns the USB connect chip that USB circuit employing model is CP2102, and usb interface module adopts USB2.0 mother socket.
Single-chip microcomputer 2-4 of the present utility model comprises 3 road serial ports: a road and serial ports turn USB circuit 2-3 and be connected, realize the communication with PC, another road is connected with module interface 2-8 to be measured, carry out transceive communications, realization is mutual with module to be measured, one tunnel communicates with 485 circuit 2-6, for reading the value of ammeter and voltmeter.The general I/O interface of single-chip microcomputer 2-4 is connected with module interface to be measured by level shifting circuit 2-5, for the test of module STA to be measured, EVENT, RST, SET pin, the general I/O interface of single-chip microcomputer 2-4 is connected with radio-frequency switch module 2-7, for controlling radiofrequency signal in the validity sending and receive two radio frequency interfaces under different conditions, realize testing while transmitting power and receiving sensitivity simultaneously, avoid the switching that device connects between signal source and frequency spectrograph.Preferably; in order to ensure the stability that single-chip microcomputer 2-4 works; voltage stability and electrostatic defending process can be carried out respectively to the pin of single-chip microcomputer; by connect at the pin of single-chip microcomputer a 10K resistance and 100pF electric capacity; stablizing with ME for maintenance; by the pin series connection esd protection diode at single-chip microcomputer, to realize electrostatic defending.
485 circuit 2-6 of the present utility model, for realizing 485 communications between single-chip microcomputer 2-4 and ammeter 3, voltmeter 4, return to host computer by read back current value and magnitude of voltage of 485 communications, avoid the error that artificial reading causes.485 circuit of the present embodiment adopt models to be the chip of MAX13085EESA, and for avoiding pouring in down a chimney between forceful electric power and light current, have employed model is that the optical coupling isolation circuit of TLP781 is isolated between the signals.The model that the ammeter 3 of the present embodiment adopts Hangzhou kerria large is TDM201X1 type 19999 word four and half digital display DC ammeter, and it is connected with 485 circuit by UART interface, is connected with power-switching circuit 9V voltage by gauge outfit power supply interface.The model that voltmeter 4 adopts Hangzhou kerria large is TDM14X type 4000 word four and half digital display D.C. voltmeter, and it is connected with 485 circuit by UART interface, is connected with power-switching circuit 9V voltage by gauge outfit power supply interface.
The input of radio-frequency switch module 2-7 is connected with the radio frequency interface of module to be measured, and output is connecting signal source and frequency spectrograph respectively, to test receiving sensitivity and tranmitting frequency and power.Radio-frequency switch module 2-7 of the present utility model adopts UPG2179TB-E4-A chip, and the input/output port of radio-frequency switch module all adopts the gold-plated female antennal interface of SMA-KWE.By controlling the low and high level of pin, control the validity of two-way output pin.
As shown in Figure 3, during test, testing apparatus is connected with PC by USB interface, external 12V DC power supply, radio frequency mouth is connecting signal source and frequency spectrograph respectively, fixture adopts the mode of face contact to measure, communication module to be tested is positioned on support plate, lower platen is driven to press down by operating grip, the module interface to be measured of the communication module to be measured on support plate and test module is connected, after connecting, test module reports PC to start test, producers arrange different instructions according to demand and send to test module on PC, test module sends different orders makes communication module to be measured enter different test patterns, (STA can be comprised to port, EVENT, RST, the test of the pins such as SET), tranmitting frequency, transmitting power, frequency calibration, receiving sensitivity, the project such as electric current and voltage is tested, test result is returned to PC according to the difference of each test item by test module 2.Such as, when receiving testing and launching current order, first test module 2 arranges communication module to be measured and enters emission mode, then returns to PC by the read back current value of ammeter 3 of 485 communications.The utility model has easy to use and integrated level high, and the micro power radio module production test that can meet current different model uses, and covers all items of required production test at present.
Above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the field are to be understood that, still can modify to embodiment of the present utility model or equivalent replacement, and not departing from any amendment of the utility model spirit and scope or equivalent replacement, it all should be encompassed among right of the present utility model.
Claims (7)
1. micropower wireless communication module testing apparatus, it is characterized in that, comprise: fixture, test module, ammeter and voltmeter, described fixture comprises base, the operating grip be arranged on described base, drive the lower platen moved up and down and the support plate be arranged on described base by described operating grip, described support plate is positioned at below described lower platen, described test module is arranged in described base, and described support plate is electrically connected with described test module;
Described test module comprises:
The power-switching circuit be connected with external power source, described power-switching circuit is connected with described ammeter, voltmeter and following single-chip microcomputer, level shifting circuit, 485 circuit;
Described single-chip microcomputer turns USB circuit, 485 circuit, module interface to be measured, level shifting circuit and radio-frequency switch module respectively and is connected with serial ports, described single-chip microcomputer obtains current value and magnitude of voltage by described 485 circuit, described serial ports turns USB circuit and is connected with usb interface module, described level shifting circuit is connected with described module interface to be measured, the input of described radio-frequency switch module is connected with the radio frequency interface of micropower wireless communication module to be tested, and output is connecting signal source and frequency spectrograph respectively.
2. micropower wireless communication module testing apparatus as claimed in claim 1, is characterized in that: described test module also comprises the indicator light circuit be connected with described single-chip microcomputer.
3. micropower wireless communication module testing apparatus as claimed in claim 1, is characterized in that: the isolating switch power chip that described power-switching circuit comprises the LDO power conversion chip be connected with voltmeter with described ammeter, the LDO power conversion chip be connected with described level shifting circuit, the LDO power conversion chip be connected with described single-chip microcomputer and is connected with described 485 circuit.
4. micropower wireless communication module testing apparatus as claimed in claim 1, is characterized in that: the pin of described single-chip microcomputer is connected a 10K resistance and 100pF electric capacity.
5. micropower wireless communication module testing apparatus as claimed in claim 1, is characterized in that: the pin series connection esd protection diode of described single-chip microcomputer.
6. micropower wireless communication module testing apparatus as claimed in claim 1, is characterized in that: the model of described radio-frequency switch module is UPG2179TB-E4-A.
7. micropower wireless communication module testing apparatus as claimed in claim 1, is characterized in that: the model of described 485 circuit is MAX13085EESA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727517.0U CN205105224U (en) | 2015-09-17 | 2015-09-17 | Micropower wireless communication module testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727517.0U CN205105224U (en) | 2015-09-17 | 2015-09-17 | Micropower wireless communication module testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205105224U true CN205105224U (en) | 2016-03-23 |
Family
ID=55520973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520727517.0U Active CN205105224U (en) | 2015-09-17 | 2015-09-17 | Micropower wireless communication module testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205105224U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353585A (en) * | 2016-10-20 | 2017-01-25 | 成都前锋电子仪器有限责任公司 | Data processing circuit used for radio frequency power reflectometer |
| CN106850092A (en) * | 2016-12-12 | 2017-06-13 | 国网北京市电力公司 | Micro power radio communication unit electrical characteristic detection means and method |
| CN108306694A (en) * | 2017-12-26 | 2018-07-20 | 深圳市科陆电子科技股份有限公司 | Micro power radio module half-finished product plate test device and test method |
| CN108872757A (en) * | 2018-03-12 | 2018-11-23 | 中国电力科学研究院有限公司 | Drawer type Local Communication Module examines and determine pallet, calibrating tray set and detecting box |
| CN109194414A (en) * | 2018-09-19 | 2019-01-11 | 中科芯集成电路股份有限公司 | A kind of test macro of Lora radio frequency mould group parameter |
| CN110176947A (en) * | 2019-06-03 | 2019-08-27 | 广西电网有限责任公司 | A kind of the communication failure diagnosis terminal and method of low pressure carrier wave module |
| CN112165363A (en) * | 2020-09-21 | 2021-01-01 | 杭州涂鸦信息技术有限公司 | WIFI module production test system |
| CN113655328A (en) * | 2021-08-31 | 2021-11-16 | 浙江睿索电子科技有限公司 | Multi-path free editing grouping test device and test method |
| CN113655328B (en) * | 2021-08-31 | 2024-07-02 | 浙江睿索电子科技有限公司 | Multi-path free editing grouping testing device and testing method |
-
2015
- 2015-09-17 CN CN201520727517.0U patent/CN205105224U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353585A (en) * | 2016-10-20 | 2017-01-25 | 成都前锋电子仪器有限责任公司 | Data processing circuit used for radio frequency power reflectometer |
| CN106850092A (en) * | 2016-12-12 | 2017-06-13 | 国网北京市电力公司 | Micro power radio communication unit electrical characteristic detection means and method |
| CN108306694A (en) * | 2017-12-26 | 2018-07-20 | 深圳市科陆电子科技股份有限公司 | Micro power radio module half-finished product plate test device and test method |
| CN108872757A (en) * | 2018-03-12 | 2018-11-23 | 中国电力科学研究院有限公司 | Drawer type Local Communication Module examines and determine pallet, calibrating tray set and detecting box |
| CN109194414A (en) * | 2018-09-19 | 2019-01-11 | 中科芯集成电路股份有限公司 | A kind of test macro of Lora radio frequency mould group parameter |
| CN110176947A (en) * | 2019-06-03 | 2019-08-27 | 广西电网有限责任公司 | A kind of the communication failure diagnosis terminal and method of low pressure carrier wave module |
| CN112165363A (en) * | 2020-09-21 | 2021-01-01 | 杭州涂鸦信息技术有限公司 | WIFI module production test system |
| CN112165363B (en) * | 2020-09-21 | 2022-06-24 | 杭州涂鸦信息技术有限公司 | WIFI module production test system |
| CN113655328A (en) * | 2021-08-31 | 2021-11-16 | 浙江睿索电子科技有限公司 | Multi-path free editing grouping test device and test method |
| CN113655328B (en) * | 2021-08-31 | 2024-07-02 | 浙江睿索电子科技有限公司 | Multi-path free editing grouping testing device and testing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205105224U (en) | Micropower wireless communication module testing arrangement | |
| CN202693702U (en) | General-purpose tester of transformer | |
| CN201765692U (en) | General meter-reading controller for carrier wave electric energy meter | |
| CN205179063U (en) | Automobile -used radio frequency communication device hardware is at ring testing tool | |
| CN212258965U (en) | Automatic test system of radio frequency module | |
| CN108828433A (en) | A kind of photoelectric properties test device of flip LED chips | |
| CN103983856A (en) | Automatic detection equipment and method of low voltage differential signal interface matched resistor | |
| CN202256540U (en) | Testing device for cable socket | |
| CN208508940U (en) | A kind of QSFP28 optical module test device and system | |
| CN203615993U (en) | Automatic detection device for intelligent water meter | |
| CN208207150U (en) | A kind of photoelectric properties test device of flip LED chips | |
| CN109413684A (en) | Test equipment, antenna measurement system and test method | |
| CN208110030U (en) | A kind of communication test plate of ammeter communication module | |
| CN202057736U (en) | Handheld power load control equipment fault detector | |
| CN103454612A (en) | Electricity meter electrifying testing device | |
| CN207636183U (en) | A kind of light power meter measuring device | |
| CN207010996U (en) | Tester, antenna measurement system | |
| CN201740865U (en) | Temperature drift sieving device of an electric energy measurement chip | |
| CN105743166A (en) | Programmable power supply and electronic equipment detection system | |
| CN102692553A (en) | Multichannel voltage measurement recorder | |
| CN206726010U (en) | A kind of Bluetooth function test equipment | |
| CN104198871A (en) | Electronic device tester and testing method thereof | |
| CN211452697U (en) | Wireless torque detection module | |
| CN203072169U (en) | Wireless communication module performance evaluation tool with high reliability | |
| CN206946694U (en) | Power information collecting device and power information acquisition management device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |