CN107483122A - Power test system, power compensating method and device - Google Patents
Power test system, power compensating method and device Download PDFInfo
- Publication number
- CN107483122A CN107483122A CN201710754947.5A CN201710754947A CN107483122A CN 107483122 A CN107483122 A CN 107483122A CN 201710754947 A CN201710754947 A CN 201710754947A CN 107483122 A CN107483122 A CN 107483122A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The embodiment of the present invention provides a kind of power test system, power compensating method and device, applied to field of terminal technology, reduces production cost to a certain extent.Power compensating method provided in an embodiment of the present invention, including：Obtain the radio-frequency power loss value of RF cable itself；Main collection interface power offset is determined according to the radio-frequency power loss value；Diversity interface power offset is determined according to the radio-frequency power loss value.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of power test system, power compensating method and device.
Background technology
Terminal is in production, due in PCBA (Printed Circuit Board Assembly, printed circuit board (PCB) dress
With) during, the hardware deviation between each component easily causes the deviation of radio frequency reception emission parameter, each in order to ensure
The uniformity of mainboard performance in portion's terminal, the mainboard after each assembling can all be calibrated.
Under normal circumstances, it is necessary to which (multichannel is passive using golden machine and comprehensive tester in calibration process is carried out to mainboard
Component tester, multichannel loss analysis device of passive instrument etc.), golden machine refers to when production to calibrate the RF of production line
The standard cell phone of the loss value of the RF cable of (Radio Frequency, radio frequency) tester, the radio-frequency power value of golden machine are
Fixed；Comprehensive tester is the drain performance for analyzing multichannel Passive Optical Components.
Because comprehensive tester has more because being commonly used or usage degree is inconsistent, every comprehensive tester it
Between easily there is different test errors, therefore, before calibration process is carried out to mainboard, the radio frequency fixed first by golden machine
Performance number is respectively that each comprehensive tester is calibrated.Because golden machine would not be continuing with after the completion of calibration, thus
The waste of resource is caused, and the production cost of golden machine is higher.
The content of the invention
The embodiment of the present invention provides a kind of power test system, power compensating method and device, by using test fixture,
RF cable etc. come replace golden machine to comprehensive tester carry out power back-off, reduce production cost.
In a first aspect, the embodiment of the present invention provides a kind of power test system, the power test system includes：
Comprehensive tester, shielding box, test fixture, power meter, main collection test cable, diversity test cable and radio frequency line
Cable；
The comprehensive tester includes main collection interface, diversity interface and transmitting terminal；
The test fixture is arranged in the shielding box, and the test fixture includes main collection test bench and diversity test
Seat.
Second aspect, the embodiment of the present invention also provide a kind of power compensating method, applied to foregoing aspects of power test
System, methods described include：
Obtain the radio-frequency power loss value of RF cable itself；
Main collection interface power offset is determined according to the radio-frequency power loss value；
Diversity interface power offset is determined according to the radio-frequency power loss value.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the acquisition are penetrated
The radio-frequency power loss value of frequency cable itself, including：
The power meter and the transmitting terminal are connected, the first power attenuation value is gathered by the comprehensive tester；
The power meter, the RF cable and the transmitting terminal are sequentially connected, passes through comprehensive tester collection the
Two power attenuation values；
According to the second power attenuation value and the difference of the first power attenuation value, the RF cable itself is determined
Radio-frequency power loss value.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described according to institute
State radio-frequency power loss value and determine main collection interface power offset, including：
The transmitting terminal, the host test seat and the main collection interface are sequentially connected, is obtained by the comprehensive tester
Take the 3rd power attenuation value；
According to the 3rd power attenuation value and the difference of the radio-frequency power loss value, the main collection interface power damage is determined
Consumption value.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described according to institute
State radio-frequency power loss value and determine diversity interface power offset, including：
The transmitting terminal, the host test seat and the diversity interface are sequentially connected, is obtained by the comprehensive tester
Take the 4th power attenuation value；
According to the 4th power attenuation value and the difference of the radio-frequency power loss value, the diversity interface power damage is determined
Consumption value.
The third aspect, the embodiment of the present invention also provide a kind of power compensating device, and described device includes：
Acquiring unit, for obtaining the radio-frequency power loss value of RF cable itself；
First determining unit, for determining main collection interface power offset according to the radio-frequency power loss value；
Second determining unit, for determining diversity interface power offset according to the radio-frequency power loss value.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described to obtain list
Member, it is specifically used for：
The power meter and the transmitting terminal are connected, the first power attenuation value is gathered by the comprehensive tester；
The power meter, the RF cable and the transmitting terminal are sequentially connected, passes through comprehensive tester collection the
Two power attenuation values；
According to the second power attenuation value and the difference of the first power attenuation value, the RF cable itself is determined
Radio-frequency power loss value.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described first is true
Order member, is specifically used for：
The transmitting terminal, the host test seat and the main collection interface are sequentially connected, is obtained by the comprehensive tester
Take the 3rd power attenuation value；
According to the 3rd power attenuation value and the difference of the radio-frequency power loss value, the main collection interface power damage is determined
Consumption value.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described second is true
Order member, is specifically used for：
The transmitting terminal, the host test seat and the diversity interface are sequentially connected, is obtained by the comprehensive tester
Take the 4th power attenuation value；
According to the 4th power attenuation value and the difference of the radio-frequency power loss value, the diversity interface power damage is determined
Consumption value.
Power test system, power compensating method and device provided in an embodiment of the present invention, using including test fixture, comprehensive
The power test system including tester, RF cable etc. is closed to be compensated to the power of comprehensive tester, first by penetrating
Frequency cable obtains the radio-frequency power loss value of itself, then determines the main collection of comprehensive tester respectively according to radio-frequency power loss value
Interface power offset and diversity interface power offset, therefore, technical scheme provided in an embodiment of the present invention uses radio frequency line
Cable, test fixture etc. replace golden machine to test comprehensive tester, it is determined that corresponding power compensating value, and then surveyed to comprehensive
Examination instrument compensates, simple to operate, and accuracy is high, and device cost is relatively low, solves and is surveyed in the prior art using golden machine to comprehensive
The problem of mode that examination instrument carries out power back-off causes the wasting of resources, and production cost is higher.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of power test system embodiment provided in an embodiment of the present invention；
Fig. 2 is the flow chart of power compensating method embodiment provided in an embodiment of the present invention；
Fig. 3 is the structural representation of power compensating device embodiment provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The term used in embodiments of the present invention is only merely for the purpose of description specific embodiment, and is not intended to be limiting
The present invention." one kind ", " described " and "the" of singulative used in the embodiment of the present invention and appended claims
It is also intended to including most forms, unless context clearly shows that other implications.
Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining " or " in response to detection ".Similarly, depending on linguistic context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when it is determined that when " or " in response to determine " or " when the detection (condition of statement
Or event) when " or " in response to detecting (condition or event of statement) ".
In the producing line for producing terminal, each station can have a comprehensive tester, for the printed circuit to terminal
The various performances of plate are tested.Because every comprehensive tester can be because usage degree be inconsistent, prover time difference etc., meeting
There is different test errors, so each comprehensive tester is required for individually being tested, to be compensated to error, make
The parameter for obtaining each comprehensive tester in producing line is consistent, and then ensures that the parameter of printed circuit board (PCB) secondary by the gross keeps one
Cause.
Comprehensive tester is tested using golden machine in the prior art, to be compensated to error, because golden machine is not
The machine of volume production, also, after the completion of the terminal production of some batch, golden machine will lose value, due to golden machine
Production cost is higher, therefore the embodiment of the present invention provides a kind of power test system and power compensating method, for solving this
Problem, specifically, Fig. 1 is the structural representation of power test system embodiment provided in an embodiment of the present invention, as shown in figure 1,
Power test system provided in an embodiment of the present invention includes comprehensive tester 1, shielding box 2, test fixture 3, power meter, main collection
Test cable 4 (cable main), diversity test cable 5 (cable second) and RF cable 6 (ref cable).
Wherein, comprehensive tester 1 includes main collection interface, diversity interface and transmitting terminal.Test fixture 3 is arranged on shielding box
In 2, test fixture 3 includes main collection test bench 31 and diversity test bench 32.In embodiments of the present invention, shielding box 2 is act as
Signal interference is prevented, ensures the correctness and accuracy of test data.Test fixture 3 is used to clamp test board 33, test board 33
It is identical with the substrate used during the printed circuit board (PCB) in production terminal.Main collection test cable 4 is used to connect the main collection He of test bench 31
Main collection interface, diversity test cable 5 are used to connect diversity test bench 32 and diversity interface.Power meter is used to test electrical power.
A kind of power compensating method is explained below, is realized using the power test system in Fig. 1 to comprehensive tester
The compensation of middle main collection interface and the power of diversity interface, specifically, Fig. 2 is that power compensating method provided in an embodiment of the present invention is real
The flow chart of example is applied, as shown in Fig. 2 the power compensating method of the present embodiment, specifically may include steps of：
201st, the radio-frequency power loss value of RF cable itself is obtained.
In embodiments of the present invention, the power back-off of main collection interface is tested by RF cable and main collection test cable
Value, cable is tested by RF cable and diversity to test the power compensating value of diversity interface, because the two is all using to penetrating
Frequency cable, therefore, it is necessary to obtain the radio-frequency power loss value of RF cable itself.
First, power meter and transmitting terminal are connected, the first power attenuation value is gathered by comprehensive tester, specifically, power
In respect of both ends, first end connects the power meter port of comprehensive tester, the second end connection transmitting terminal, is then adopted by comprehensive tester
The the first power attenuation value integrated as power meter itself power attenuation value, labeled as A；Then, power meter, RF cable are connected
With transmitting terminal, the second power attenuation value is gathered by comprehensive tester, the second power attenuation value is damaged for the power of power meter itself
Consumption value and RF cable itself power attenuation value and, labeled as B；Finally, according to the second power attenuation value and the first power
The difference of loss value, the radio-frequency power loss value of RF cable itself is determined, labeled as C, then C=B-A.
202nd, main collection interface power offset is determined according to radio-frequency power loss value.
In embodiments of the present invention, determine main collection interface power offset by being sequentially connected transmitting terminal, host test seat
With main collection interface, wherein, transmitting terminal and it is main collection test bench between connected by RF cable, it is main collection test bench with it is main collection interface it
Between cable tested by main collection connected, the 3rd power attenuation value is obtained by comprehensive tester, then the 3rd power attenuation value is penetrates
Frequency power attenuation value, the power attenuation value of test board, the power attenuation value of main collection test cable itself and comprehensive tester are certainly
The power attenuation value sum of body, labeled as D, wherein, radio-frequency power loss value be through being calculated in step 201, and other three
The power attenuation value of individual part collects interface power loss value based on being, therefore, is damaged according to the 3rd power attenuation value and radio-frequency power
The difference of consumption value, main collection interface power loss value is determined, labeled as E, then E=D-C.
203rd, diversity interface power offset is determined according to radio-frequency power loss value.
In embodiments of the present invention, determine main collection interface power offset by being sequentially connected transmitting terminal, host test seat
With diversity interface, wherein, connected between transmitting terminal and diversity test bench by RF cable, diversity test bench and diversity interface it
Between cable tested by diversity connected, the 4th power attenuation value is obtained by comprehensive tester, then the 4th power attenuation value is penetrates
Frequency power attenuation value, the power attenuation value of test board, the power attenuation value of diversity test cable itself and comprehensive tester are certainly
The power attenuation value sum of body, labeled as F, wherein, radio-frequency power loss value be through being calculated in step 201, and other three
The power attenuation value of individual part is diversity interface power loss value, therefore, is damaged according to the 4th power attenuation value and radio-frequency power
The difference of consumption value, diversity interface power loss value is determined, labeled as G, then G=F-C.
Main collection interface power offset is being obtained with after diversity interface power offset, being compensated according to main collection interface power
Value is compensated to the power of main collection interface, and the power of diversity interface is compensated according to diversity interface power offset.
It should be noted that terminal involved in the embodiment of the present invention can include but is not limited to personal computer
(Personal Computer, PC), personal digital assistant (Personal Digital Assistant, PDA), wireless handheld
Equipment, tablet personal computer (Tablet Computer), mobile phone, MP3 player, MP4 players etc..
Power test system and power compensating method provided in an embodiment of the present invention, using including test fixture, synthesis
Power test system including tester, RF cable etc. compensates to the power of comprehensive tester, passes through radio frequency first
Cable obtains the radio-frequency power loss value of itself, and the main collection for then determining comprehensive tester respectively according to radio-frequency power loss value connects
Mouthful power compensating value and diversity interface power offset, therefore, technical scheme provided in an embodiment of the present invention using RF cable,
Test fixture etc. replaces golden machine to test comprehensive tester, it is determined that corresponding power compensating value, and then to integration test
Instrument compensates, simple to operate, and accuracy is high, and device cost is relatively low, solves in the prior art using golden machine to integration test
The problem of mode that instrument carries out power back-off causes the wasting of resources, and production cost is higher.
The embodiment of the present invention also provides a kind of power compensating device, and specifically, Fig. 3 is power provided in an embodiment of the present invention
The structural representation of compensation device embodiment, specifically can be with as shown in figure 3, power compensating device provided in an embodiment of the present invention
Including：Acquiring unit 11, the first determining unit 12, the second determining unit 13.
Acquiring unit 11, for obtaining the radio-frequency power loss value of RF cable itself.
First determining unit 12, for determining main collection interface power offset according to radio-frequency power loss value.
Second determining unit 13, for determining diversity interface power offset according to radio-frequency power loss value.
During a concrete implementation, acquiring unit 11, it is specifically used for：
Power meter and transmitting terminal are connected, the first power attenuation value is gathered by comprehensive tester；
Power meter, RF cable and transmitting terminal are sequentially connected, the second power attenuation value is gathered by comprehensive tester；
According to the second power attenuation value and the difference of the first power attenuation value, the radio-frequency power loss of RF cable itself is determined
Value.
During a concrete implementation, the first determining unit 12, it is specifically used for：
Transmitting terminal, host test seat and main collection interface are sequentially connected, the 3rd power attenuation value is obtained by comprehensive tester；
According to the 3rd power attenuation value and the difference of radio-frequency power loss value, main collection interface power loss value is determined.
During a concrete implementation, the second determining unit 13, it is specifically used for：
Transmitting terminal, host test seat and diversity interface are sequentially connected, the 4th power attenuation value is obtained by comprehensive tester；
According to the 4th power attenuation value and the difference of radio-frequency power loss value, diversity interface power loss value is determined.
The device of the present embodiment, it can be used for the technical scheme for performing embodiment of the method shown in Fig. 2, its realization principle and skill
Art effect is similar, and here is omitted.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided by the present invention, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, for example, multiple units or group when actually realizing
Part can combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown
Or the mutual coupling discussed or direct-coupling or communication connection can be by some interfaces, device or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer
It is each that device (can be personal computer, server, or network equipment etc.) or processor (Processor) perform the present invention
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (9)
1. a kind of power test system, it is characterised in that the power test system includes：
Comprehensive tester, shielding box, test fixture, power meter, main collection test cable, diversity test cable and RF cable；
The comprehensive tester includes main collection interface, diversity interface and transmitting terminal；
The test fixture is arranged in the shielding box, and the test fixture includes main collection test bench and diversity test bench.
A kind of 2. power compensating method, applied to the power test system described in claim 1, it is characterised in that methods described
Including：
Obtain the radio-frequency power loss value of RF cable itself；
Main collection interface power offset is determined according to the radio-frequency power loss value；
Diversity interface power offset is determined according to the radio-frequency power loss value.
3. according to the method for claim 2, it is characterised in that the radio-frequency power loss for obtaining RF cable itself
Value, including：
The power meter and the transmitting terminal are connected, the first power attenuation value is gathered by the comprehensive tester；
The power meter, the RF cable and the transmitting terminal are sequentially connected, the second work(is gathered by the comprehensive tester
Rate loss value；
According to the second power attenuation value and the difference of the first power attenuation value, the RF cable radio frequency of itself is determined
Power attenuation value.
4. according to the method for claim 2, it is characterised in that described to determine that main collection connects according to the radio-frequency power loss value
Mouth power compensating value, including：
The transmitting terminal, the host test seat and the main collection interface are sequentially connected, the is obtained by the comprehensive tester
Three power attenuation values；
According to the 3rd power attenuation value and the difference of the radio-frequency power loss value, the main collection interface power loss is determined
Value.
5. according to the method for claim 2, it is characterised in that described to determine that diversity connects according to the radio-frequency power loss value
Mouth power compensating value, including：
The transmitting terminal, the host test seat and the diversity interface are sequentially connected, the is obtained by the comprehensive tester
Four power attenuation values；
According to the 4th power attenuation value and the difference of the radio-frequency power loss value, the diversity interface power loss is determined
Value.
6. a kind of power compensating device, it is characterised in that described device includes：
Acquiring unit, for obtaining the radio-frequency power loss value of RF cable itself；
First determining unit, for determining main collection interface power offset according to the radio-frequency power loss value；
Second determining unit, for determining diversity interface power offset according to the radio-frequency power loss value.
7. device according to claim 6, it is characterised in that the acquiring unit, be specifically used for：
The power meter and the transmitting terminal are connected, the first power attenuation value is gathered by the comprehensive tester；
The power meter, the RF cable and the transmitting terminal are sequentially connected, the second work(is gathered by the comprehensive tester
Rate loss value；
According to the second power attenuation value and the difference of the first power attenuation value, the RF cable radio frequency of itself is determined
Power attenuation value.
8. device according to claim 6, it is characterised in that first determining unit, be specifically used for：
The transmitting terminal, the host test seat and the main collection interface are sequentially connected, the is obtained by the comprehensive tester
Three power attenuation values；
According to the 3rd power attenuation value and the difference of the radio-frequency power loss value, the main collection interface power loss is determined
Value.
9. device according to claim 6, it is characterised in that second determining unit, be specifically used for：
The transmitting terminal, the host test seat and the diversity interface are sequentially connected, the is obtained by the comprehensive tester
Four power attenuation values；
According to the 4th power attenuation value and the difference of the radio-frequency power loss value, the diversity interface power loss is determined
Value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710754947.5A CN107483122B (en) | 2017-08-29 | 2017-08-29 | Power test system, power compensation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754947.5A CN107483122B (en) | 2017-08-29 | 2017-08-29 | Power test system, power compensation method and device |
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| CN107483122A true CN107483122A (en) | 2017-12-15 |
| CN107483122B CN107483122B (en) | 2021-03-05 |
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ID=60604001
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710754947.5A Active CN107483122B (en) | 2017-08-29 | 2017-08-29 | Power test system, power compensation method and device |
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| CN109309749A (en) * | 2018-10-25 | 2019-02-05 | 厦门美图移动科技有限公司 | A kind of line loss calibration method and system |
| CN109890046A (en) * | 2019-01-30 | 2019-06-14 | 芯讯通无线科技（上海）有限公司 | The method and system of the chuck power loss of testing wireless communication equipment |
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| CN109309749A (en) * | 2018-10-25 | 2019-02-05 | 厦门美图移动科技有限公司 | A kind of line loss calibration method and system |
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| CN109890046A (en) * | 2019-01-30 | 2019-06-14 | 芯讯通无线科技（上海）有限公司 | The method and system of the chuck power loss of testing wireless communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107483122B (en) | 2021-03-05 |
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