CN207184492U - A kind of OTA test systems of miniaturization - Google Patents
A kind of OTA test systems of miniaturization Download PDFInfo
- Publication number
- CN207184492U CN207184492U CN201720510673.0U CN201720510673U CN207184492U CN 207184492 U CN207184492 U CN 207184492U CN 201720510673 U CN201720510673 U CN 201720510673U CN 207184492 U CN207184492 U CN 207184492U
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- China
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- turntable
- shield shell
- test systems
- drive mechanism
- dual polarization
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Abstract
The utility model discloses a kind of OTA test systems of miniaturization, including shield shell, turntable, dual polarization is popped one's head in, control electronic box, comprehensive tester and software carrier, shield shell inner bottom part is provided with turntable between two parties, shield shell inner top is provided with dual polarization probe between two parties, dual polarization probe points to turntable, shield shell is provided with interface board, interface board respectively with turntable, dual polarization is popped one's head in, comprehensive tester and control electronic box connection, control electronic box is provided with radio frequency interface and control interface, radio frequency interface connects comprehensive tester, control interface connects software carrier, software carrier is connected with comprehensive tester.The utility model occupies little space, easily builds, is moved easily and reduced cost.
Description
Technical field
It the utility model is related to a kind of OTA test systems of miniaturization.
Background technology
The fast development of the communications industry brings the explosive growth of wireless terminal application demand, mobile phone, tablet personal computer etc.
Mobile terminal yield rapidly increases, and OTA indexs are to evaluate the key index of wireless terminal complete machine radio-frequency performance, in order to ensure product
OTA indexs reach certain level, and increasing cell phone manufacturer has introduced OTA test systems, and traditional OTA test systems take
Space is big, system cost is high, is not easy to build and moves.
Above deficiency, it is to be improved.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of OTA test systems of miniaturization.
Technical solutions of the utility model are as described below：
The OTA test systems of a kind of miniaturization, it is characterised in that including shield shell, turntable, dual polarization probe, control
Electronic box, comprehensive tester and software carrier, the shield shell inner bottom part are provided with the turntable, pushed up in the shield shell between two parties
Portion is provided with the dual polarization and popped one's head between two parties, and the dual polarization probe points to the turntable, and the shield shell is provided with interface board,
The interface board is connected with the turntable, dual polarization probe, the comprehensive tester and the control electronic box respectively, described
Control electronic box is provided with radio frequency interface and control interface, and the radio frequency interface connects the comprehensive tester, and the control interface connects
The software carrier is connect, the software carrier is connected with the comprehensive tester.
Preferably, the dual polarization probe includes the dual-port antenna of dual-linear polarization, the polarization side of two ports
Formula is linear polarization and square crossing.
Preferably, horizontal direction motor, vertical direction motor, horizontal direction transmission knot are provided with inside the turntable
Structure and vertical direction drive mechanism, horizontal direction drive mechanism described in the horizontal direction motor driven rotate, the Vertical Square
Rotated to vertical direction drive mechanism described in motor driven.
Preferably, the horizontal direction drive mechanism is connected with measured object by pasting.
Preferably, the horizontal direction drive mechanism is connected with measured object by bundling.
Preferably, the shield shell madial wall, which is provided with, inhales ripple layer.
Preferably, the shield shell is made up of metal material.
According to the utility model of such scheme, its advantage is, the utility model provides a kind of miniaturization
OTA test systems, the OTA test systems occupy little space, easily build, are moved easily and reduced cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is dual polarization sonde configuration schematic diagram of the present utility model.
Fig. 3 is turntable structure schematic diagram of the present utility model.
In figure, 1, shield shell；2nd, turntable；3. dual polarization is popped one's head in；4th, interface board；5th, electronic box is controlled；6th, integration test
Instrument；7th, software carrier；8th, absorbing material；201st, vertical direction motor；202 horizontal direction motors；203rd, the first belt；204th,
Two belts；205th, the 3rd belt；206th, first gear；207th, second gear；208th, vertical direction drive mechanism；209th, level side
To drive mechanism；210th, the first connecting shaft；211st, the second connecting shaft；212nd, connecting rod.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is further described embodiment：
As shown in Figures 1 to 3, the OTA test systems of a kind of miniaturization, including shield shell 1, turntable 2, dual polarization probe 3,
Electronic box 5, comprehensive tester 6 and software carrier 7 are controlled, the inner bottom part of shield shell 1 is provided with turntable 2, pushed up in shield shell 1 between two parties
Portion is provided with dual polarization probe 3 between two parties, and dual polarization probe 3 points to turntable 2, and shield shell 1 is provided with interface board 4, and interface board 4 is distinguished
It is connected with turntable 2, dual polarization probe 3, comprehensive tester 6 and control electronic box 5, control electronic box 5 is provided with radio frequency interface and control connects
Mouthful, radio frequency interface connection comprehensive tester 6, control interface connects software carrier 7, and software carrier 7 is connected with comprehensive tester 6.
Turntable 2 includes motor, drive mechanism, belt and objective table.
The inside of turntable 2 is provided with two motors.Motor includes horizontal direction motor 202 and vertical direction motor 201.
The inside of turntable 2 is provided with two drive mechanisms.Drive mechanism includes horizontal direction drive mechanism 209 and vertical direction passes
Dynamic structure 208.
Vertical direction motor 201 is connected by the first connecting shaft 210 of the first belt 203 and vertical direction drive mechanism 208
Connect, vertical direction motor 201 will drive vertical direction drive mechanism 208 to rotate in vertical direction when rotating.
Horizontal direction motor 202 is connected by the second belt 204 with the second connecting shaft 211, and the second connecting shaft 211 passes through
Three belts 205 are connected with connecting rod 212, and the other end of connecting rod 212 is fixedly connected with first gear 206, first gear 206 with
Second gear 207 is engaged, and second gear 207 is fixedly connected with horizontal direction drive mechanism 209.Horizontal direction motor 202 rotates
When by drive horizontal direction drive mechanism 209 rotate in the horizontal direction.
Horizontal direction drive mechanism 209 is used as objective table simultaneously, and measured object can use the modes such as stickup, binding to be fixed on
On objective table.
Dual polarization probe 3 includes the dual-port antenna of dual-linear polarization, and Double-end antennas orthogonal intersects, can launch and receive
Electromagnetic wave.
Shield shell 1 is made up of metal material, and the shield shell 1 of metal material isolates the interference of outer signals.
The madial wall of shield shell 1, which is provided with, inhales ripple layer, and it is absorbing material 8 to inhale ripple layer, and absorbing material 8 has electromagnetic wave absorption
Function, realize that weakening measured object launches reflection of the signal through wall.
The floor space of shield shell 1 is small, and floor space is less than 4 ㎡.
Turntable 2 is controlled to be rotated.Turntable 2 can also make its rotation by computer or single-chip microcomputer control.
Software carrier 7 connects comprehensive tester 6 and control electronic box 5 and controls comprehensive tester 6 and control electronic box 5.Software
Carrier 7 can be general commercial computer, special-purpose computer or other computer equipments that can run windows softwares.
Control electronic box 5 be turntable 2 and dual polarization probe 3 control device, control electronic box 5 have control turntable 2 rotate and
The function of switching is changed in dual polarization probe pole 3, and control electronic box 5 can receive and perform the order of the transmission of software carrier 7 and can be to
Software carrier 7 sends data,
Comprehensive tester 6 can be established radio communication with measured object and connect and be sent in the form of radiofrequency signal to measured object
Instruction control, the signal for reading measured object transmitting.Comprehensive tester 6 can be computer controlled and carry out information exchange in it.
Comprehensive tester 6 can select Rohde ＆ Schwarz Representative Office and be the higher instrument of integrated level of the instrument companies such as moral scientific ＆ technical corporation
Device, the module with communication synthesis test function can also be selected to be combined.
Measured object is placed on turntable 2 when system works, the testing results software of software carrier 7, the control synthesis of software carrier 7
Tester 6 carries out radio communication by interface board 4 and dual polarization 3 transmitting radio frequency signals of probe with measured object, and software carrier 7 controls
Turntable 2 turns to initial position, and software carrier 7 reads the measured object that comprehensive tester 6 feeds back and pointing to 3 directions of dual polarization probe
On test data and record, software carrier 7 control control electronic box 5 communicated by interface board 4 with turntable 2, turntable 2 rotate and
Measured object is driven to repeat aforementioned process to next location status and show that reading measured object under new position is pointing to dual polarization probe
Test data on 3 directions, repeats said process, and software carrier 7 can obtain multiple on a sphere for surrounding measured object adopt
The test data of sampling point, above-mentioned data represent the OTA performances of measured object, can be built by test bolus computational methods draw it is tested
The OTA indexs such as the TRP of thing, TIS.
The utility model provides a kind of OTA test systems of miniaturization, occupy little space, easily build, being moved easily and
Reduce cost.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Exemplary description is carried out to the utility model patent above in conjunction with accompanying drawing, it is clear that the reality of the utility model patent
Now be not subject to the restrictions described above, if employ the utility model patent methodology and technical scheme carry out it is various
Improve, or it is not improved the design of the utility model patent and technical scheme are directly applied into other occasions, in this reality
With in new protection domain.
Claims (7)
1. the OTA test systems of a kind of miniaturization, it is characterised in that including shield shell, turntable, dual polarization probe, control electricity
Case, comprehensive tester and computer equipment, the shield shell inner bottom part are provided with the turntable, pushed up in the shield shell between two parties
Portion is provided with the dual polarization and popped one's head between two parties, and the dual polarization probe points to the turntable, and the shield shell is provided with interface board,
The interface board is connected with the turntable, dual polarization probe, the comprehensive tester and the control electronic box respectively, described
Control electronic box is provided with radio frequency interface and control interface, and the radio frequency interface connects the comprehensive tester, and the control interface connects
The computer equipment is connect, the computer equipment is connected with the comprehensive tester.
2. the OTA test systems of miniaturization according to claim 1, it is characterised in that the dual polarization probe includes double
The dual-port antenna of linear polarization, the polarization mode of two ports is linear polarization and square crossing.
3. the OTA test systems of miniaturization according to claim 1, it is characterised in that level is provided with inside the turntable
Direction motor, vertical direction motor, horizontal direction drive mechanism and vertical direction drive mechanism, the horizontal direction motor driven
The horizontal direction drive mechanism rotates, and vertical direction drive mechanism described in the vertical direction motor driven rotates.
4. the OTA test systems of miniaturization according to claim 3, it is characterised in that the horizontal direction drive mechanism
Connected with measured object by pasting.
5. the OTA test systems of miniaturization according to claim 3, it is characterised in that the horizontal direction drive mechanism
Connected with measured object by bundling.
6. the OTA test systems of miniaturization according to claim 1, it is characterised in that the shield shell madial wall is set
Have and inhale ripple layer.
7. the OTA test systems of miniaturization according to claim 1, it is characterised in that the shield shell is by metal material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510673.0U CN207184492U (en) | 2017-05-10 | 2017-05-10 | A kind of OTA test systems of miniaturization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720510673.0U CN207184492U (en) | 2017-05-10 | 2017-05-10 | A kind of OTA test systems of miniaturization |
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| Publication Number | Publication Date |
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| CN207184492U true CN207184492U (en) | 2018-04-03 |
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ID=61733782
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720510673.0U Active CN207184492U (en) | 2017-05-10 | 2017-05-10 | A kind of OTA test systems of miniaturization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110612638A (en) * | 2018-11-30 | 2019-12-24 | 北京航空航天大学 | Quasi-plane wave generator based on array antenna |
-
2017
- 2017-05-10 CN CN201720510673.0U patent/CN207184492U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110612638A (en) * | 2018-11-30 | 2019-12-24 | 北京航空航天大学 | Quasi-plane wave generator based on array antenna |
| CN110612638B (en) * | 2018-11-30 | 2021-07-02 | 北京航空航天大学 | Quasi-plane wave generator based on array antenna |
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