CN107219409A - The detection device of terminal antenna - Google Patents
The detection device of terminal antenna Download PDFInfo
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- CN107219409A CN107219409A CN201710392836.4A CN201710392836A CN107219409A CN 107219409 A CN107219409 A CN 107219409A CN 201710392836 A CN201710392836 A CN 201710392836A CN 107219409 A CN107219409 A CN 107219409A
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- terminal
- antenna
- fixation kit
- detection device
- short side
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
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- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Telephone Set Structure (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The outlying position from turning is grown the disclosure is directed to a kind of detection device of terminal antenna, including the first fixation kit, first for fixed terminal；Second fixation kit, position of first short side away from turning for fixing the terminal；3rd fixation kit, second for fixing the terminal grows the outlying position from turning；4th fixation kit, position of second short side away from turning for fixing the terminal；Coupled antenna, the radiance of the antenna for detecting the terminal.In accordance with an embodiment of the present disclosure, by the four edges that the first fixation kit, the second fixation kit, the 3rd fixation kit and the 4th fixation kit are distinguished to fixed terminal, and it is held away from the position at turning, can be on the basis of securely fixed terminal be ensured, fixation kit is avoided to influence antenna that radiation signal is propagated out into terminal, and then can ensure that coupled antenna can obtain the most of signal for the aerial radiation for getting terminal, it is ensured that obtain accurate testing result.
Description
Technical field
This disclosure relates to field of terminal technology, more particularly to a kind of detection device of terminal antenna.
Background technology
The detection of the current antenna performance for terminals such as mobile phones, mainly OTA (Over The Air) tests are realized.
But conventional OTA tests are time-consuming longer, for example, the OTA tests for carrying out complete machine antenna for a mobile phone are accomplished by 24 hours
Left and right, is difficult to the performance in this way to detect antenna in actual production process.
Some detection devices are proposed in the duration of detection antenna performance, correlation technique in order to shorten, but these are detected
There are problems in equipment, it is difficult to ensure the accuracy of testing result, it is possible to be determined as the satisfactory antenna of performance not
Meet the requirements, it is also possible to be judged to meeting the requirements by the undesirable antenna of performance.
The content of the invention
The disclosure provides a kind of detection device of side's terminal antenna, to solve the deficiency in correlation technique.
According to the first aspect of the embodiment of the present disclosure there is provided a kind of detection device of terminal antenna, including fixed cell and
Detection unit, wherein, the fixed cell includes：
First fixation kit, first for fixed terminal grows the outlying position from turning；
Second fixation kit, position of first short side away from turning for fixing the terminal；
3rd fixation kit, second for fixing the terminal grows the outlying position from turning；
4th fixation kit, position of second short side away from turning for fixing the terminal；
The detection unit includes：
Coupled antenna, it is corresponding with the antenna of the terminal to set in the case where the terminal is fixed by the fixed cell
Put, and be more than the first pre-determined distance, the radiance of the antenna for detecting the terminal with the distance of the terminal.
Alternatively, above-mentioned detection device also includes：
Test signal line, the interface of first short side is connected to by joint, for the antenna transmission to the terminal
Test signal；
Wherein, the distance in the test signal line with the antenna of the terminal is less than the line segment of the second pre-determined distance, with
The antennas orthogonal of the terminal.
Alternatively, second fixation kit is additionally operable to spacing to the joint.
Alternatively, the detection unit also includes：
Signal wire is received, the coupled antenna is connected to, aerial radiation of the coupled antenna according to the terminal is received
The signal of generation；
Wherein, the distance received in signal wire with the antenna of the terminal is less than the line segment of the second pre-determined distance, with
The antennas orthogonal of the terminal.
Alternatively, the position of the test signal line and the reception signal wire is fixed.
Alternatively, the place of the antenna of the terminal is arranged at second short side；
4th fixation kit fixes the contact point of the terminal and is less than the 3rd pre-determined distance with the distance in the place.
Alternatively, the pre-determined distance is 0.
Alternatively, second fixation kit contacts the sectional area of one end with the terminal, less than away from the terminal one
The sectional area at end；And/or
4th fixation kit contacts the sectional area of one end with the terminal, less than the section away from the terminal side
Product.
Alternatively, the first fixation kit can be slided along the described first long side；And/or
Second fixation kit can be slided along first short side；And/or
3rd fixation kit can be slided along the described second long side；And/or
4th fixation kit can be slided along second short side.
Alternatively, above-mentioned detection device also includes：
Shielding construction；
Wherein, the fixed cell and the detection unit are arranged in the shielding construction.
The technical scheme provided by this disclosed embodiment can include the following benefits：
It can be seen from above-described embodiment, set or set close to the second short side generally proximate to the first short side due to the antenna of terminal
Put, and the corner vicinities of terminal are provided with gap, for radiation signal to be propagated out into terminal for antenna.By the way that first is consolidated
Determine component, the second fixation kit, the 3rd fixation kit and the 4th fixation kit and distinguish the four edges of fixed terminal, and be fixed on
Position away from turning, can be on the basis of securely fixed terminal be ensured, it is to avoid fixation kit influences antenna to radiate letter
Number terminal is propagated out, and then can ensure that coupled antenna can obtain the most of signal for the aerial radiation for getting terminal, it is ensured that
Obtain accurate testing result.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 is a kind of schematic configuration diagram of the detection device of terminal antenna according to an exemplary embodiment.
Fig. 2 is the schematic configuration diagram of the detection device of another terminal antenna according to an exemplary embodiment.
Fig. 3 is the schematic configuration diagram of the detection device of another terminal antenna according to an exemplary embodiment.
Fig. 4 is the schematic configuration diagram of the detection device of another terminal antenna according to an exemplary embodiment.
Fig. 5 is the schematic configuration diagram of the detection device of another terminal antenna according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of schematic configuration diagram of the detection device of terminal antenna according to an exemplary embodiment.The inspection
Measurement equipment can be used for the radiance for detecting the antennas of terminal such as mobile phone, tablet personal computer.By taking the antenna for detecting mobile phone as an example, such as
Shown in Fig. 1, the detection device includes fixed cell and detection unit, wherein, the fixed cell includes：
First fixation kit 1, the first long position of the side 11 away from turning for fixed terminal；
Second fixation kit 2, the first position of the short side 21 away from turning for fixing the terminal；
3rd fixation kit 3, the second long position of the side 12 away from turning for fixing the terminal；
4th fixation kit 4, the second position of the short side 22 away from turning for fixing the terminal；
The detection unit includes：
Coupled antenna 3, in the case where the terminal is fixed by the fixed cell, the antenna 30 with the terminal is corresponding
Set, and be more than the first pre-determined distance, the radiance of the antenna for detecting the terminal with the distance of the terminal.This reality
TRP (total radiated power, total radiant power) and TIS (total can mainly be included by applying the radiance in example
Isotropic sensitivity, total omnidirectional sensitivity).
In one embodiment, the antenna of terminal can be arranged at the top of terminal, namely is set close to the second short side, and
Further, the antenna of terminal can include the short side of part second or whole second short sides.
In one embodiment, coupled antenna can be correspondingly arranged with the antenna of terminal, namely terminal antenna it is vertical eventually
There is overlapping region in the projection on extreme direction, the projection with coupled antenna in vertical terminus direction.Further, coupled antenna
Area can be more than the area of the antenna of terminal, and projection of the antenna on vertical terminus direction of terminal can be located at coupling day
Line is in the projection in vertical terminus direction, so that coupled antenna can get most of signal of the aerial radiation of terminal, protects
Card obtains accurate testing result.
Wherein, terminal can also be arranged as required to multiple antennas, at end except that can set an antenna as indicated with 1
In the case of multiple antennas are provided with end, detection unit can include the antenna phase multiple coupled antennas respectively with each terminal
Correspondence, to detect the radiance of each antenna respectively.
In one embodiment, coupled antenna can be arranged on the lower section of terminal, and unsuitable with the distance of terminal bonnet
It is too small, for example can be more than 0.5 millimeter (namely the first pre-determined distance be 0.5 millimeter, the distance can be set as needed
Put), to reduce influence of the electromagnetic field produced during coupled antenna work to terminal inner component, and then reduce the antenna to terminal
The influence of radiation signal.
In one embodiment, terminal can also be arranged as required to multiple except that can set an antenna as indicated with 1
Antenna, and antenna is set generally proximate to the first short side or is set close to the second short side, and at the turning of terminal (as shown in Figure 1
One or more of four turnings turning) gap nearby is provided with, for radiation signal to be propagated out into terminal for antenna.Pass through
First fixation kit, the second fixation kit, the 3rd fixation kit and the 4th fixation kit are distinguished to the four edges of fixed terminal, and
And be held away from the position (can for example fix the middle part of corresponding edge) at turning, the base of securely fixed terminal being ensured
On plinth, it is to avoid radiation signal is propagated out terminal by fixation kit influence antenna, and then can be ensured that coupled antenna can be obtained and taken
To most of signal of the aerial radiation of terminal, it is ensured that obtain accurate testing result.
Fig. 2 is the schematic configuration diagram of the detection device of another terminal antenna according to an exemplary embodiment.Such as
Shown in Fig. 2, on the basis of embodiment illustrated in fig. 1, the detection device also includes：
Test signal line 5, the interface 210 of first short side 21 is connected to by joint 50, for the terminal
Antenna 30 transmits test signal；
Wherein, the distance in the test signal line 5 with the antenna 30 of the terminal is less than the line segment of the second pre-determined distance,
It is vertical with the antenna 30 of the terminal.
In one embodiment, detection device can also include signal generator (not shown), and signal generator leads to
Cross test signal line, interface, joint to transmit test signal to the antenna of terminal, to control Antenna Operation, and then radiation signal
So that coupled antenna is obtained.
In one embodiment, in the case where terminal includes multiple antennas, except being arranged on the second short side as shown in Figure 1
Antenna, can also include being arranged on the antenna of the first short side as shown in Figure 2, correspondingly, detection unit can also include one
Coupled antenna corresponding with the antenna for being arranged on the first short side.Wherein, an antenna can be used as main collection antenna, another antenna
Specifically can as needed it be configured as diversity antenna.
In one embodiment, in the case of Antenna Operation, if there is the metal wire closer to the distance and parallel with its,
So the metal wire will be coupled with antenna, influence the radiance of antenna.Based on this, by by test signal line with terminal
Antenna distance be less than the second pre-determined distance (can be configured as needed, such as 3 centimetres) line segment (such as Fig. 2
In line segment 51), set with the antennas orthogonal of terminal, so as to avoid the test signal line nearer with antenna to the radiativity of antenna
It can impact, to ensure the accuracy of test result.
Fig. 3 is the schematic configuration diagram of the detection device of another terminal antenna according to an exemplary embodiment.Such as
Shown in Fig. 3, on the basis of embodiment illustrated in fig. 2, second fixation kit 2 is additionally operable to spacing to the joint 50.
In one embodiment, although the shape of joint and interface matches, so that joint can be plugged in interface,
But in fact, in order to guarantee that joint easily inserted into interface, the size of interface is general larger than joint, exactly by
In such case, joint can be caused to there is certain activity space in the interface, the bad connection of joint and interface may be caused.
And it is spacing by the progress of the second fixation kit docking port, then it can ensure that joint is not susceptible to after interface is plugged to
It is mobile, so as to ensure the stability of joint and interface connection, and then ensure the stability of test signal transmission, to enable the antenna to
Good and continuously radiation signal, it is ensured that the accuracy of test result.
Fig. 4 is the schematic configuration diagram of the detection device of another terminal antenna according to an exemplary embodiment.Such as
Shown in Fig. 4, on the basis of embodiment illustrated in fig. 2, the detection unit also includes：
Signal wire 6 is received, the coupled antenna 3 is connected to, antenna 30 of the coupled antenna 3 according to the terminal is received
Radiate the signal of generation；
Wherein, the distance received in signal wire 6 with the antenna 3 of the terminal is less than the line segment of the second pre-determined distance
61, it is vertical with the antenna 3 of the terminal.
In one embodiment, detection device can also include signal processing component (not shown), signal transacting group
Part can receive the signal that coupled antenna is generated according to the aerial radiation of terminal by receiving signal wire, and then according to these signals
Judge whether the radiance of antenna meets the requirements.
In one embodiment, in the case of Antenna Operation, if there is the metal wire closer to the distance and parallel with its,
So the metal wire will be coupled with antenna, influence the radiance of antenna.Based on this, by will receive signal wire in terminal
Antenna distance be less than the second pre-determined distance (can be configured as needed, such as 3 centimetres) line segment (such as Fig. 4
In line segment 61), set with the antennas orthogonal of terminal, thus avoid with antenna it is nearer receive radiativity of the signal wire to antenna
It can impact, to ensure the accuracy of test result.
Alternatively, the position of the test signal line and the reception signal wire is fixed.
In one embodiment, it can be followed closely by line card, adhesive tape etc. fixes test signal line and receives signal wire.Pass through
Fixed test signal line and reception signal wire, can be avoided during fixed mobile phone and/or in test process, test signal line
Or reception signal wire is moved and caused shown in structure or Fig. 4 of the line segment 51 perpendicular to the antenna 30 of terminal described in Fig. 2
Line segment 61 can not be realized perpendicular to the structure of the antenna 30 of terminal, further ensure the accuracy of test result.
Alternatively, the place of the antenna of the terminal is arranged at second short side；
4th fixation kit fixes the contact point of the terminal and is less than the 3rd pre-determined distance with the distance in the place.
In one embodiment, the antenna of terminal can be made up of the short side of part second or whole second short sides, wherein,
Place can be provided with second short side, for antenna ground.Because place can be connect by structures such as bonnet, the centers of terminal
Ground, therefore the second short side is fixed near the point, it is smaller on the antenna radiation performance influence being made up of the second short side, so as to
Ensure that aerial radiation signal is influenceed smaller by the 4th fixation kit, and then ensure the accuracy of test result.
In one embodiment, above-mentioned pre-determined distance could be arranged to 0.Namely the 4th fixation kit can be set in place
The second short side is fixed at place, so as to avoid influence of the 4th fixation kit to antenna radiation performance to the full extent.
It should be noted that when also constituting antenna on other sides of terminal, and the place of antenna is located on the side, that
To should the fixation kit on side can also be fixed on the place of antenna.
Fig. 5 is the schematic configuration diagram of the detection device of another terminal antenna according to an exemplary embodiment.Such as
Shown in Fig. 5, on the basis of embodiment illustrated in fig. 2, second fixation kit 2 contacts the sectional area of one end with the terminal,
Less than the sectional area away from the terminal side；And/or
4th fixation kit 4 contacts the sectional area of one end with the terminal, less than cutting away from the terminal side
Area.
In one embodiment, on the one hand, larger is influenceed on the antenna of terminal because the second component contacts one end with terminal,
By by the sectional area at the end set it is smaller, you can reduce its influence to antenna.Correspondingly, by by the 4th component and end
It is smaller that one section of sectional area of end in contact is set, and can also reduce its shadow to antenna on the basis of its fixing function is ensured
Ring.
On the other hand, when being arranged in the place of the antenna of terminal on the second short side, due to place on side corresponding region
It is smaller, by the 4th fixation kit is contacted with terminal one end sectional area set it is smaller, in the 4th fixation kit in place
In the case that the second short side is fixed at place, it is possible to reduce the 4th fixation kit with place with the contact of outskirt, so as to further reduce
Influence of 4th fixation kit to antenna radiation performance.Similarly, when the ground for the antenna that terminal is also equipped with the 4th short side
Point when, by the second fixation kit is contacted with terminal one end sectional area setting it is smaller, the effect above can also be realized.
Alternatively, the first fixation kit can be slided along the described first long side；And/or
Second fixation kit can be slided along first short side；And/or
3rd fixation kit can be slided along the described second long side；And/or
4th fixation kit can be slided along second short side.
In one embodiment, by being set to fixation kit slidably, to be easy to select fixed position as needed.Example
Such as tested for different terminals, and different terminals place position of the antenna on the second short side it is different in the case of, Ke Yitong
The 4th fixation kit of slip is crossed, its position on the second short side is adjusted, so as to which the 4th fixation kit to be adjusted to the position in place
Put to fix the second short side.
Alternatively, above-mentioned detection device also includes：
Shielding construction；
Wherein, the fixed cell and the detection unit are arranged in the shielding construction.
In one embodiment, by shielding construction outer signals can be avoided to cause shadow to the aerial radiation signal of terminal
Ring, thereby may be ensured that the accuracy of test result.
According to any of the above embodiment, it is ensured that test result is accurately specific as follows：
In the case where mobile phone is motionless, input test signal twice, the power difference of the aerial radiation signal measured exists
Within 0.5dB (or even 0.2dB can be reached)；
Input test signal is kept, mobile phone is repeatedly taken out from fixed cell, put back to, a number is measured after putting back to every time
According to the power maximum difference of many numbers aerial radiation signal in is within 1dB (or even can reach 0.5dB)；
For situation of the power difference within ± 1dB of plurality of mobile phones aerial radiation signal, pass through the inspection of the present embodiment
The power difference of measurement equipment detection is within ± 3dB (individual cases can be ± 4dB).
By ensureing the accuracy of test result, the undesirable terminal of antenna radiation performance can be accurately determined,
And the satisfactory terminal of antenna performance.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (10)
1. a kind of detection device of terminal antenna, it is characterised in that including fixed cell and detection unit, wherein, the fixation
Unit includes：
First fixation kit, first for fixed terminal grows the outlying position from turning；
Second fixation kit, position of first short side away from turning for fixing the terminal；
3rd fixation kit, second for fixing the terminal grows the outlying position from turning；
4th fixation kit, position of second short side away from turning for fixing the terminal；
The detection unit includes：
Coupled antenna, in the case where the terminal is fixed by the fixed cell, is correspondingly arranged with the antenna of the terminal, and
It is more than the first pre-determined distance, the radiance of the antenna for detecting the terminal with the distance of the terminal.
2. detection device according to claim 1, it is characterised in that also include：
Test signal line, the interface of first short side is connected to by joint, for the antenna transmission test to the terminal
Signal；
Wherein, it is less than the line segment of the second pre-determined distance in the test signal line with the distance of the antenna of the terminal, it is and described
The antennas orthogonal of terminal.
3. detection device according to claim 2, it is characterised in that second fixation kit is additionally operable to the joint
It is spacing.
4. detection device according to claim 2, it is characterised in that the detection unit also includes：
Signal wire is received, the coupled antenna is connected to, the coupled antenna is received and is generated according to the aerial radiation of the terminal
Signal；
Wherein, it is described to receive the line segment for being less than the second pre-determined distance in signal wire with the distance of the antenna of the terminal, it is and described
The antennas orthogonal of terminal.
5. detection device according to claim 4, it is characterised in that the test signal line and the reception signal wire
Position is fixed.
6. detection device according to claim 1, it is characterised in that the place of the antenna of the terminal is arranged at described
Two short sides；
4th fixation kit fixes the contact point of the terminal and is less than the 3rd pre-determined distance with the distance in the place.
7. detection device according to claim 6, it is characterised in that the pre-determined distance is 0.
8. detection device according to any one of claim 1 to 7, it is characterised in that second fixation kit and institute
The sectional area that terminal contacts one end is stated, less than the sectional area away from the terminal side；And/or
4th fixation kit contacts the sectional area of one end with the terminal, less than the sectional area away from the terminal side.
9. detection device according to any one of claim 1 to 7, it is characterised in that the first fixation kit can be along described
Slide on the first long side；And/or
Second fixation kit can be slided along first short side；And/or
3rd fixation kit can be slided along the described second long side；And/or
4th fixation kit can be slided along second short side.
10. detection device according to any one of claim 1 to 7, it is characterised in that also include：
Shielding construction；
Wherein, the fixed cell and the detection unit are arranged in the shielding construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392836.4A CN107219409B (en) | 2017-05-27 | 2017-05-27 | Detection equipment for terminal antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392836.4A CN107219409B (en) | 2017-05-27 | 2017-05-27 | Detection equipment for terminal antenna |
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| CN107219409A true CN107219409A (en) | 2017-09-29 |
| CN107219409B CN107219409B (en) | 2020-07-10 |
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Cited By (5)
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| CN108801325A (en) * | 2018-04-13 | 2018-11-13 | 深圳市沃特沃德股份有限公司 | Terminal device leakproof detection device |
| CN109342834A (en) * | 2018-09-29 | 2019-02-15 | 北京小米移动软件有限公司 | A kind of test device of terminal antenna |
| CN110058092A (en) * | 2019-04-29 | 2019-07-26 | 湖南国科微电子股份有限公司 | A kind of antenna detection circuit based on CMOS technology and the chip and terminal device with it |
| CN112769999A (en) * | 2020-12-31 | 2021-05-07 | 徐州泰吉新电子科技有限公司 | Testing arrangement of cell-phone antenna radiation performance |
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| CN108801325A (en) * | 2018-04-13 | 2018-11-13 | 深圳市沃特沃德股份有限公司 | Terminal device leakproof detection device |
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| CN109342834B (en) * | 2018-09-29 | 2020-10-16 | 北京小米移动软件有限公司 | Testing device for terminal antenna |
| CN110058092A (en) * | 2019-04-29 | 2019-07-26 | 湖南国科微电子股份有限公司 | A kind of antenna detection circuit based on CMOS technology and the chip and terminal device with it |
| CN112769999A (en) * | 2020-12-31 | 2021-05-07 | 徐州泰吉新电子科技有限公司 | Testing arrangement of cell-phone antenna radiation performance |
| CN112769999B (en) * | 2020-12-31 | 2022-05-03 | 徐州泰吉新电子科技有限公司 | Testing arrangement of cell-phone antenna radiation performance |
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