CN207010996U - Tester, antenna measurement system - Google Patents
Tester, antenna measurement system Download PDFInfo
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- CN207010996U CN207010996U CN201721028092.XU CN201721028092U CN207010996U CN 207010996 U CN207010996 U CN 207010996U CN 201721028092 U CN201721028092 U CN 201721028092U CN 207010996 U CN207010996 U CN 207010996U
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- tester
- zigbee module
- host computer
- master board
- interface
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Abstract
The utility model discloses a kind of tester, antenna measurement system, tester includes master board；The ZigBee module of at least two pieces support both-way communications, the ZigBee module electrically connect with master board；At least two radio frequency interfaces, corresponded with the ZigBee module, so that radiofrequency signal is launched or received to corresponding ZigBee module；And host computer interface, for being communicated for master board with host computer；Wherein, the master board is used to configure ZigBee module, to control it to be launched or receive data；And ZigBee module is received into data and sent by host computer interface module to host computer.The utility model is intended to accurately carry out radiance test to ZigBee products.
Description
Technical field
The present invention relates to a kind of antenna measurement technical field, more specifically, it relates to a kind of tester, antenna measurement
System.
Background technology
ZigBee technology be it is a kind of closely, low complex degree, low-power consumption, low rate, the bidirectional wireless communication skill of low cost
Art, is suitable for automatically controlling and remote control field, can be embedded in various equipment.In today of Internet of Things high speed development, go out
Miscellaneous ZigBee products are showed, how to have distinguished the quality of product, performance power is the focus of attention of people now.
The complete machine radiance of ZigBee products needs to be tested by sphere near field antenna measurements system, current
Sphere near-field test is needed by tester gathered data and processing, but does not nowadays have which kind of instrument can be surveyed targetedly
The parameter and performance of ZigBee products are tried, utilization Network Analyzer that can only reluctantly, frequency spectrograph, the large-scale instrument pair such as comprehensive test instrument
ZigBee products carry out data analysis；Using this metering system, on the one hand because the communication protocol of ZigBee products is not as
The modules such as WiFi, bluetooth belong to universal, cause these large-scale instruments and ZigBee products and mismatch, in turn result in measurement number
According to not comprehensively, it is inaccurate；On the other hand, also cause the cost of whole measuring system too high.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of tester antenna measurement system and
Method of testing, it is intended to radiance test accurately is carried out to ZigBee products.
To achieve the above object, the invention provides following technical scheme：
Scheme one：
A kind of tester, including
Master board；
The ZigBee module of at least two pieces support both-way communications, the ZigBee module electrically connect with master board；
At least two radio frequency interfaces, with the ZigBee module correspond, for corresponding ZigBee module transmitting or
Receive radiofrequency signal；And
Host computer interface, for being communicated for master board with host computer；
Wherein, the master board is used to configure ZigBee module, to control it to be launched or receive data；
And ZigBee module is received into data and sent by host computer interface module to host computer.
Pass through above technical scheme：ZigBee module has identical protocol stack with ZigBee products, and then between each other
MANET can be carried out, after networking, tester can receive work(accordingly according to the data acquisition received from ZigBee products
Rate, and it is uploaded to host computer.
Preferably, the ZigBee module is connected with master board using pluggable mode.
Pass through above technical scheme：The scalability and compatibility of tester are enhanced, can be according to the need of different vendor
Ask, on current tester, ZigBee module of the access with same protocol stack, with the ZigBee produced to different vendor
Product is tested.
Preferably, the host computer interface is at least one kind in serial ports, network interface.
Pass through above technical scheme：Tester can be communicated with host computer, on the one hand staff can be facilitated to lead to
Host computer is crossed to be controlled tester；On the other hand, tester can transmit analyze data to host computer, convenient work
Personnel are checked in host computer.
Preferably, the interface panel is also configured with USB interface.
Pass through above technical scheme：Tester can be attached by USB interface and USB flash disk, PC etc., facilitate staff
Copy data.
Preferably, the tester also includes key panel and display panel, and the key panel and display panel are equal
Electrically connected with master board.
Pass through above technical scheme：Staff can carry out field control to tester by key panel and parameter is set
It is fixed, meanwhile, the data that tester obtains can be shown by display panel.
Scheme two：
A kind of antenna measurement system, including：
The ring support being arranged in shielded anechoic chamber；
The multiple antenna probes being arranged on ring support；
The turntable of ring support bottom is arranged at, the top of the turntable is provided with luggage carrier by pole；
Turntable control device, for controlling the turntable to rotate according to the control instruction received；
Tester as described in above-mentioned scheme；And
Pop one's head in switching control, electrically connect with the tester, for the control instruction that receives of basis to described
Probe carries out selection switching, and establishes connecting path between the radio frequency interface of selected probe and tester.
Pass through above technical scheme：ZigBee module in tester enters line number by antenna probes and ZigBee products
According to interaction；Only need to control turntable to rotate by turntable control device, and probe is carried out by switching control of popping one's head in
Switching selection, you can complete to sample the sphere data of ZigBee products；The data adopted carry out analysis calculating by tester,
Draw transmitting and receptivity evaluating data.
In summary, it is an advantage of the invention that：In shielded anechoic chamber, the survey of overall performance can be carried out to ZigBee products
Examination, by TRP, TIS data make rational assessment to properties of product.Using ZigBee MANETs, in ZigBee products
Data transfer is realized between ZigBee receiving terminals, transmitting terminal, signal intensity during by receiving data calculates to be connect accordingly
Receive power.Its advantages of, is to abandon the large test instrument such as Network Analyzer, frequency spectrograph, comprehensive test instrument completely, only passes through
Data transfer between ZigBee just realizes isotropically radiated power（TRS）And omnidirectional sensibility（TIS）Test.
Brief description of the drawings
Fig. 1 is the module principle figure of tester in embodiment one；
Fig. 2 is the structural representation of antenna measurement system in embodiment two.
Reference：1st, shielded anechoic chamber；2nd, ring support；3rd, antenna probes；4th, turntable；5th, pole；6th, luggage carrier；7、
ZigBee products.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not
It is only limitted to this.
Embodiment one：
The present embodiment provides a kind of tester, as shown in figure 1, it includes master board；And it is electrically connected with master board
ZigBee module, display panel, key panel and the interface panel of at least two pieces support both-way communications connect.
Wherein, ZigBee module includes module support plate and ZigBee chips, and the parameter and performance of ZigBee chips are
Know, it is welded on module support plate；In the specific implementation, ZigBee module is connected with master board using pluggable mode,
With PCIE interfaces as an example：PCIE interfaces are each configured with module support plate and master board（Respectively male mouth and female mouth）,
And then module support plate can carry out grafting installation by PCIE interfaces and master board, and then, user can be as needed in main control
ZigBee module of the access with different agreement stack on plate.The mode of pluggable connection can also be similar using row's needle interface etc.
Interface connects, and the present embodiment repeats no more.
Interface panel can be attached by wiring insert row with master board, in the present embodiment, on interface panel at least
It is configured with：Power interface, at least two radio frequency interfaces, host computer interface and USB interface.Wherein：
Power interface is used to receive external dc power, to be powered to whole tester.
Radio frequency interface then electrically connects one to one with each ZigBee module respectively, and ZigBee module passes through corresponding radio frequency
Interface Transmission receives radiofrequency signal.
Host computer interface is used to be communicated with host computer for master board, and then, user can be by host computer remotely
Parameter configuration and control are carried out to whole tester.The host computer interface is at least one kind in serial ports, network interface.
USB interface is used to be attached for equipment such as USB flash disk, PC, and the data in tester are copied.
In general, the state of each interface is observed in order to facilitate user, all kinds of instructions are also integrated with interface panel
Lamp, all kinds of indicator lamps correspond with each interface, to show the connection status of each interface.
Key panel is used to carry out every data input and control operation for user, to carry out scene to whole test food
Control and parameter configuration.Display panel is then used for the every parameter current for showing tester.
Parameter configuration is carried out before testing, and tester initializes and reads the system configuration of master board, corresponding control
The initialization of display panel processed and the light on and off state of all kinds of indicator lamps, while judge the enabled situation of host computer interface.Wherein, exist
In the case that host computer interface is not enabled on, user can carry out instrument parameter to group battle array template by the IO controls of key panel and match somebody with somebody
Put, and then change the interface parameter data of display panel；In the case where host computer interface is enabled, external control signal passes through upper
Position machine interface is transferred to the master board on tester, modification instrument parameter configuration, while also changes the interface of display panel
Supplemental characteristic.
Then tested after parameter is configured, ZigBee module is launched by radio frequency interface or reception signal, main control
The data that plate receives ZigBee module are sent to host computer.
Embodiment two：
The present embodiment provides a kind of antenna measurement system, and reference picture 2, it includes：The annular branch being arranged in shielded anechoic chamber 1
Frame 2；The multiple antenna probes 3 being arranged on ring support 2；The turntable 4 of the bottom of ring support 2 is arranged at, the top of turntable 4 leads to
Cross pole 5 and luggage carrier 6 is installed；The control device of turntable 4, for being rotated according to the control instruction control turntable 4 received；Strictly according to the facts
Apply the tester described in example one；And probe switching control, electrically connect with tester, received for basis
Control instruction carries out selection switching to probe, and establishes connection between the radio frequency interface of selected probe and tester and lead to
Road.
Wherein, luggage carrier 6 is located at the center of ring support 2 so that and each when ZigBee products 7 are placed on luggage carrier 6
The distance of antenna probes 3 is of substantially equal.
The control device of turntable 4, tester and probe switching control are communicated with host computer, are being tested
When, user can be entered respectively by host computer to the control device of tester turntable 4, tester and probe switching control
Row configuration and control；By the control to turntable 4 and each probe, the reception work(to 7 each spatial point of ZigBee products is realized
Rate carries out data sampling, to obtain sphere sampled data.
Embodiment three：
A kind of method for measuring ZigBee product radiances, antenna measurement of this method described in based on embodiment two
System is implemented, and reference picture, this method includes：
Configuration step：According to the project to be tested of ZigBee products 7 to be measured, the ZigBee module is matched somebody with somebody respectively
Transmitting terminal or receiving terminal are set to, and probe switching control is connected to corresponding radio frequency interface respectively.
Networking step：When carrying out project testing, ZigBee products 7 are placed on luggage carrier 6, and the radio frequency with being connected
ZigBee module corresponding to interface carries out networking；
Interactive step：ZigBee module is controlled to carry out data interaction with ZigBee products 7, to be adopted in interaction
Sample data.
Specifically, carrying out isotropically radiated power（TRP）During test：ZigBee products 7 are controlled to launch data, the data quilt
ZigBee module as receiving terminal passes through connected probe and received, and the data received are RSSI data, utilize formula
RSSI=offset+Power can calculate receiving power Power value, and the value is then used as sampled data；Wherein, offset tables
Showing front-end gain, it is preset value, generally -45.
In the specific implementation, offset can be calibrated, specific method is：In practical operation, frequency spectrum can be used
Instrument replaces ZigBee module to carry out data sampling to ZigBee products 7, obtains the numerical value and ZigBee module of every group of receiving power
The receiving power numerical value that obtained data calculate is compared, and offset is adjusted in the range of reasonable error, reached
To actual optimum value, while by including the loss calculation of transmission cable.
Carrying out omnidirectional sensibility（TIS）During test：Control and pass through connected spy as the ZigBee module of transmitting terminal
Head, and data are launched to ZigBee products 7 with an initial setting power；If ZigBee products 7 receive data, one section is returned
Confirm data, and by the ZigBee module reception as transmitting terminal；The data that master board receives according to ZigBee module are sentenced
Whether the bit error rate of break signal reaches higher limit, if not up to, the transmission power of ZigBee module is reduced, until meeting condition
Or both between MANET disconnect；Transmission power now is then recorded as one group of sampled data.
Sphere sampling step：Control turntable 4 rotates and popped one's head in switching, and repeats to test, to obtain sphere hits
According to.
Data analysis step：Analysis calculating is carried out to the sphere sampled data got, to obtain ZigBee products 7
TRP and TIS assesses data.
The sampled data of acquisition is sent to host computer by master board, is counted as the test software built in host computer
Calculate.
Claims (6)
1. a kind of tester, it is characterized in that, including
Master board；
The ZigBee module of at least two pieces support both-way communications, the ZigBee module electrically connect with master board；
At least two radio frequency interfaces, corresponded with the ZigBee module, so that corresponding ZigBee module is launched or is received
Radiofrequency signal；And
Host computer interface, for being communicated for master board with host computer；
Wherein, the master board is used to configure ZigBee module, to control it to be launched or receive data；And
ZigBee module is received into data to send to host computer by host computer interface module.
2. tester according to claim 1, it is characterized in that, the ZigBee module is with master board using pluggable
Mode connect.
3. tester according to claim 1, it is characterized in that, the host computer interface is at least in serial ports, network interface
It is a kind of.
4. tester according to claim 1, it is characterized in that, the interface panel is also configured with USB interface.
5. tester according to claim 1, it is characterized in that, the tester also includes key panel and display surface
Plate, the key panel and display panel electrically connect with master board.
6. a kind of antenna measurement system, it is characterized in that, including：
The ring support (2) being arranged in shielded anechoic chamber (1)；
The multiple antenna probes (3) being arranged on ring support (2)；
The turntable (4) of ring support (2) bottom is arranged at, the top of the turntable (4) is provided with luggage carrier by pole (5)
(6)；
Turntable (4) control device, for controlling the turntable (4) to rotate according to the control instruction received；
Tester as described in claim 1-5 is any；And
Pop one's head in switching control, electrically connect with the tester, for the control instruction that receives of basis to the probe
Selection switching is carried out, and connecting path is established between the radio frequency interface of selected probe and tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028092.XU CN207010996U (en) | 2017-08-16 | 2017-08-16 | Tester, antenna measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028092.XU CN207010996U (en) | 2017-08-16 | 2017-08-16 | Tester, antenna measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207010996U true CN207010996U (en) | 2018-02-13 |
Family
ID=61459248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721028092.XU Active CN207010996U (en) | 2017-08-16 | 2017-08-16 | Tester, antenna measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207010996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108833028A (en) * | 2018-04-25 | 2018-11-16 | 深圳市共进电子股份有限公司 | Radiant power test device |
| WO2019033642A1 (en) * | 2017-08-16 | 2019-02-21 | 深圳市新益技术有限公司 | Test instrument, antenna measurement system and test method |
-
2017
- 2017-08-16 CN CN201721028092.XU patent/CN207010996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019033642A1 (en) * | 2017-08-16 | 2019-02-21 | 深圳市新益技术有限公司 | Test instrument, antenna measurement system and test method |
| CN108833028A (en) * | 2018-04-25 | 2018-11-16 | 深圳市共进电子股份有限公司 | Radiant power test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220126 Address after: 518000 a1709, No.17, North District, Fuquan new village, Sanlian community, Longhua street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Xinyi Technology (Shenzhen) Co.,Ltd. Address before: 571126 No. 6, Tanxiang village, Lingshan Town, Meilan District, Haikou City, Hainan Province Patentee before: Liu Kehong |