CN203813796U - Testing apparatus for micro-power wireless communication module - Google Patents
Testing apparatus for micro-power wireless communication module Download PDFInfo
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- CN203813796U CN203813796U CN201420205606.4U CN201420205606U CN203813796U CN 203813796 U CN203813796 U CN 203813796U CN 201420205606 U CN201420205606 U CN 201420205606U CN 203813796 U CN203813796 U CN 203813796U
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Abstract
The utility model relates to a testing apparatus for micro-power wireless communication modules, and the testing apparatus is applied to tests of micro-power wireless communication modules. The testing apparatus includes a control and measurement apparatus, a near-end test bench and a far-end test module. The testing apparatus for the micro-power wireless communication module can finish testing various work parameters including wireless signal reception sensitivity and reception signal intensity at one time, thereby substantially improving work efficiency.
Description
Technical field
The utility model relates to a kind of micro-power wireless communication module test device, is applied to the performance test of the indices of micro-power wireless communication module.
Background technology
Micropower surface mount wireless communication module has been widely used in automatic control, radio meter register, electron medical treatment, Smart Home at present, the fields such as remote monitoring, in the production process of micro-power wireless communication, need the performance index of product to test, how efficiently, accurately, the property indices of test products all sidedly, the product of guaranteeing to offer client meets the requirement of product specification book, ensures that use that product after test does not affect client becomes each manufacturer and needs the problem of meticulously considering simultaneously.Yet there are no in the world at present the report of large scale test device in production process, is generally all that the partial parameters to micro power radio module is tested on a small scale.Test process is loaded down with trivial details, and test event is less, and testing efficiency is lower.
Utility model content
In order to overcome the problems referred to above, the utility model provides a kind of large scale test device of micro-power wireless communication module.
The utility model adopt concrete technical scheme be, a kind of micro-power wireless communication module test device is provided, be applied to the test of micro-power wireless communication module, comprising:
Control and measurement mechanism, be provided with measurement mechanism, for sending control signal and measuring the parameter display measurement result of input and judge whether it reaches default criterion of acceptability;
Near-end testboard, be connected with described control and measurement mechanism, detect product to be measured for placing, for product to be measured provides corresponding condition of work, accept and transmit the signal of product to be measured, and each parameter testing point of product to be measured is connected with control and measurement mechanism corresponding ports;
Remote test module, is connected with described control and measurement mechanism, for testing received signal strength and the receiving sensitivity of product to be measured.
Wherein, described near-end testboard comprises: base, support, slip control switch, for sliding shoe, test bench and the testing circuit board of fixing product to be measured, described test bench is provided with one group of test probe and is connected with described testing circuit board, described testing circuit board connects to be controlled and measurement mechanism, described slip control switch is connected to the tracheae arranging on sliding shoe and controls sliding shoe and moves up and down, described product to be measured is positioned on test bench, is connected with testing circuit board by described probe.
Wherein, described remote test module comprises far-end wireless shielding box and Remote Test Unit, in described wireless shielding box, radio frequency is installed and connects same axle bed, and described Remote Test Unit is provided with testing circuit board and is connected with described control and measurement mechanism.
Wherein, described control and measurement mechanism comprise: data processing equipment, frequency spectrograph, voltage/current detection device, the the first/the second radio-frequency (RF) switch, switch, attenuator controller and variable attenuator, described voltage/current detection device is connected with data processing equipment, and be connected with the testing circuit board of near-end testboard by a pair of p-wire, described frequency spectrograph is connected with data processing equipment, and be connected with the first radio-frequency (RF) switch by radio-frequency (RF) coaxial line, described the first radio-frequency (RF) switch is connected with near-end testboard by coaxial line, described remote test module is connected with described variable attenuator and data processing equipment connects respectively, described variable attenuator is connected with the second radio-frequency (RF) switch and switch/attenuator controller respectively, described the second radio-frequency (RF) switch is connected with described near-end testboard.
Wherein, described radio-frequency (RF) switch is switch matrix and is connected to variable attenuator, frequency spectrograph and near-end testboard.
Preferably, have the probe aperture of one group of precision positioning on described test bench, described probe is connected with testing circuit board by probe aperture.
The beneficial effects of the utility model are, product to be measured is placed on near-end testboard, near-end testboard makes product to be measured enter corresponding operating state according to test request for product to be measured provides corresponding condition of work, and accept the running parameter of product to be measured, then sending control and measurement mechanism to detects, control and measurement mechanism detection display measurement result, and compare the thick judgement that whether meets the requirements and whether report to the police made from preset data, and transmitting of product to be measured is connected with remote test module, remote test module detects the error rate of product to be measured, by controlling and thereby measurement mechanism calculates the received signal strength of whole product to be measured and record receiving sensitivity and the received signal strength of product.This scheme can be disposable by complete the multiple running parameter disposable test including wireless signal is received sensitivity and received signal strength, improved greatly operating efficiency.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the utility model embodiment 1.
Fig. 2 is the schematic diagram of near-end testboard.
Base 1, support 2, sliding shoe 3, test bench 7, testing circuit board 4, test probe 5, product to be measured 6
Embodiment
Below in conjunction with drawings and Examples, a kind of micro-power wireless communication module test device the utility model proposes is described in further detail.According to following explanation and claims, advantage of the present utility model and feature will be clearer, it should be noted that, accompanying drawing all adopts form and the non-ratio accurately of simplification, only for convenient, the object of aid illustration the utility model embodiment lucidly.
As shown in Figure 1, for an embodiment of the present utility model, be intended to solve efficient, quick and easy, accurately to test micro-power wireless communication module indices as operating current, operating frequency, transmitting power, second order and three order harmonicses, receiving sensitivity, received signal strength etc.
A kind of micro-power wireless communication module test device, be applied to the test of micro-power wireless communication module, comprise: control and measurement mechanism, be provided with measurement mechanism, for sending control signal and measuring the parameter of input and judge whether it reaches default criterion of acceptability, described control and measurement mechanism comprise: data processing equipment, frequency spectrograph, voltage/current detection device, the the first/the second radio-frequency (RF) switch, switch, attenuator controller and variable attenuator, described voltage/current detection device is connected with data processing equipment, and be connected with the testing circuit board of near-end testboard by a pair of p-wire, described frequency spectrograph is connected with data processing equipment, and be connected with the first radio-frequency (RF) switch by radio-frequency (RF) coaxial line, described the first radio-frequency (RF) switch is connected with near-end testboard by coaxial line, described remote test module is connected with described variable attenuator and data processing equipment connects respectively, described variable attenuator is connected with the second radio-frequency (RF) switch and switch/attenuator controller respectively, described the second radio-frequency (RF) switch is connected with described near-end testboard.
Near-end testboard, be connected with described control and measurement mechanism, for placing product 7 to be measured, and provide corresponding condition of work for product 7 to be measured, accept and transmit the signal of product 7 to be measured, each parameter testing point of product 7 to be measured is connected with control and measurement mechanism corresponding ports simultaneously; Described near-end testboard comprises: base 1, support 2, slip control switch, for sliding shoe 3, test bench 7 and the testing circuit board 4 of fixing product to be measured, described test bench 7 is provided with one group of test probe 5 and is connected with described testing circuit board 4, described testing circuit board 4 connects to be controlled and measurement mechanism, described slip control switch is connected to the tracheae arranging on sliding shoe 3 and controls sliding shoe and moves up and down, described product to be measured 6 is positioned on test bench 7, is connected with testing circuit board 4 by described probe 5.
Remote test module, is connected with described control and measurement mechanism, for testing received signal strength and the receiving sensitivity of product to be measured.Described remote test module comprises far-end wireless shielding box and Remote Test Unit, in described wireless shielding box, radio frequency is installed and connects same axle bed, and described Remote Test Unit is provided with testing circuit board and is connected with described control and measurement mechanism.
Operation principle is, product to be measured is placed on near-end testboard, and described slip control switch is connected to the tracheae arranging on sliding shoe and controls sliding shoe and moves up and down, and described product to be measured is positioned on test bench, is connected with testing circuit board by described probe.Switch/attenuator controller control the first radio-frequency (RF) switch, from the testing circuit board of near-end testboard, detect the running parameter of product to be measured as parameters such as power, frequency, harmonic wave, electric currents, product to be measured transmits through the control of radio-frequency (RF) switch, signal is input to frequency spectrograph and measures its result by frequency spectrograph and by frequency spectrograph, test result fed back to and controlled and measurement mechanism, control and measurement mechanism shows these data and preset data is made the judgement that whether meets the requirements and whether report to the police after comparing; On the other hand, remote test module is connected with variable attenuator and data processing equipment, now, switch/attenuator controller control the second radio-frequency (RF) switch, and control variable attenuator, adjust the pad value of attenuator, now transmitting of product to be measured is connected with remote test module, remote test module detects the error rate of product to be measured, in the time that the error rate reaches set point, thereby by controlling and measurement mechanism calculates the received signal strength of whole product to be measured and record receiving sensitivity and the received signal strength of product.Specifically in the time of test received signal strength and receiving sensitivity, product to be measured transmits, through RF switch inversion, again after variable attenuator, signal input remote test module, remote test module is set up signal with product to be measured and is connected, and the error rate of testing product, by the pad value of switch/attenuator controller control variable attenuator, until reach record pad value now after the error rate of regulation, thereby and the received signal strength that calculates whole product to be measured record receiving sensitivity and the received signal strength of product.When need test products at different conditions operating current time, because voltage/current detection device is connected to the operating current that detects product to be measured on near-end testboard always, when needs obtain product different times operating current situation to be measured, only need to from voltage/current detection device, read the current value under this state by controlling computer.
This scheme can be disposable by complete the multiple running parameter disposable test including wireless signal is received sensitivity and received signal strength, improved greatly operating efficiency.
Another kind of execution mode, changes described radio-frequency (RF) switch into switch matrix and is connected to variable attenuator, frequency spectrograph and near-end testboard.Can only need one group of coaxial cable to connect near-end testboard and control and measurement mechanism like this.
Another kind of execution mode, described test bench is provided with the probe aperture of one group of precision positioning, and described probe is connected with testing circuit board by probe aperture.Can avoid like this loose contact or rub-out signal, and improve the operating efficiency of placing product to be measured, not need manually carefully to go again location, expend time in.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. a micro-power wireless communication module test device, is applied to the test of micro-power wireless communication module, it is characterized in that, comprising:
Control and measurement mechanism, be provided with measurement mechanism, for sending control signal and measuring the parameter of input and judge whether it reaches default criterion of acceptability;
Near-end testboard, be connected with described control and measurement mechanism, detect product to be measured for placing, for product to be measured provides corresponding condition of work, accept and transmit the signal that product to be measured sends, and each parameter testing point of product to be measured is connected with control and measurement mechanism corresponding ports;
Remote test module, is connected with described control and measurement mechanism, for testing received signal strength and the receiving sensitivity of product to be measured.
2. micro-power wireless communication module test device according to claim 1, it is characterized in that, described near-end testboard comprises: base, support, slip control switch, for the sliding shoe of fixing product to be measured, test bench and testing circuit board, described test bench is provided with one group of test probe and is connected with described testing circuit board, described testing circuit board connects to be controlled and measurement mechanism, described slip control switch is connected to the tracheae arranging on sliding shoe and controls sliding shoe and moves up and down, described product to be measured is positioned on test bench, be connected with testing circuit board by described probe.
3. micro-power wireless communication module test device according to claim 1, it is characterized in that, described remote test module comprises far-end wireless shielding box and Remote Test Unit, in described wireless shielding box, radio frequency is installed and connects same axle bed, described Remote Test Unit is provided with testing circuit board and is connected with described control and measurement mechanism.
4. micro-power wireless communication module test device according to claim 1, it is characterized in that, described control and measurement mechanism comprise: data processing equipment, frequency spectrograph, voltage/current detection device, the the first/the second radio-frequency (RF) switch, switch, attenuator controller and variable attenuator, described voltage/current detection device is connected with data processing equipment, and be connected with the testing circuit board of near-end testboard by a pair of p-wire, described frequency spectrograph is connected with data processing equipment, and be connected with the first radio-frequency (RF) switch by radio-frequency (RF) coaxial line, described the first radio-frequency (RF) switch is connected with near-end testboard by coaxial line, described remote test module is connected with described variable attenuator and data processing equipment connects respectively, described variable attenuator is connected with the second radio-frequency (RF) switch and switch/attenuator controller respectively, described the second radio-frequency (RF) switch is connected with described near-end testboard.
5. micro-power wireless communication module test device according to claim 4, is characterized in that, described radio-frequency (RF) switch is switch matrix and is connected to variable attenuator, frequency spectrograph and near-end testboard.
6. micro-power wireless communication module test device according to claim 2, is characterized in that, has the probe aperture of one group of precision positioning on described test bench, and described probe is connected with testing circuit board by probe aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205606.4U CN203813796U (en) | 2014-04-25 | 2014-04-25 | Testing apparatus for micro-power wireless communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205606.4U CN203813796U (en) | 2014-04-25 | 2014-04-25 | Testing apparatus for micro-power wireless communication module |
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| Publication Number | Publication Date |
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| CN203813796U true CN203813796U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420205606.4U Expired - Fee Related CN203813796U (en) | 2014-04-25 | 2014-04-25 | Testing apparatus for micro-power wireless communication module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780011A (en) * | 2015-04-24 | 2015-07-15 | 国网冀北电力有限公司电力科学研究院 | Micro-power wireless communication site channel environment simulator for short-distance power communication |
| CN105025514A (en) * | 2015-06-26 | 2015-11-04 | 深圳市国电科技通信有限公司 | Networking performance detection system of micropower wireless communication equipment |
| CN106526362A (en) * | 2016-10-25 | 2017-03-22 | 上海移远通信技术股份有限公司 | Test system of wireless communication module |
| CN108230662A (en) * | 2017-12-28 | 2018-06-29 | 东本电气科技(苏州)有限公司 | Wireless telemetering gas-meter wiring board wireless performance detection device |
| CN112751627A (en) * | 2020-12-15 | 2021-05-04 | 美的集团股份有限公司 | Power calibration method and device of wireless module |
-
2014
- 2014-04-25 CN CN201420205606.4U patent/CN203813796U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104780011A (en) * | 2015-04-24 | 2015-07-15 | 国网冀北电力有限公司电力科学研究院 | Micro-power wireless communication site channel environment simulator for short-distance power communication |
| CN105025514A (en) * | 2015-06-26 | 2015-11-04 | 深圳市国电科技通信有限公司 | Networking performance detection system of micropower wireless communication equipment |
| CN106526362A (en) * | 2016-10-25 | 2017-03-22 | 上海移远通信技术股份有限公司 | Test system of wireless communication module |
| CN108230662A (en) * | 2017-12-28 | 2018-06-29 | 东本电气科技(苏州)有限公司 | Wireless telemetering gas-meter wiring board wireless performance detection device |
| CN112751627A (en) * | 2020-12-15 | 2021-05-04 | 美的集团股份有限公司 | Power calibration method and device of wireless module |
| CN112751627B (en) * | 2020-12-15 | 2022-03-01 | 美的集团股份有限公司 | Power calibration method and device of wireless module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20160425 |