CN100502546C - Motor current test method - Google Patents
Motor current test method Download PDFInfo
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- CN100502546C CN100502546C CNB2007100024044A CN200710002404A CN100502546C CN 100502546 C CN100502546 C CN 100502546C CN B2007100024044 A CNB2007100024044 A CN B2007100024044A CN 200710002404 A CN200710002404 A CN 200710002404A CN 100502546 C CN100502546 C CN 100502546C
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Abstract
This invention provides a motor current test method used in black box test mobile terminals including: 1, setting up a test environment, 2, setting a mobile terminal to be tested a state of an incoming vibration and back light close and calling to the terminal to be tested to test the working current value of a first mobile terminal, 3, setting the mobile terminal to be tested a state of incoming mute and back light close to call the terminal to be tested to test the working current of the second mobile terminal, 4, computing the motor current value according to the two current values of the two terminals.
Description
Technical field
The present invention relates to the motor current test method of the system-level integrality that a kind of structural member has been fully assembled, be used for the electric current of the motor of Black-box Testing portable terminal.
Background technology
The test of mobile phone products, especially CDMA terminal comprises the test of a plurality of links, the component testing of single-plate grade, the system level testing after in stable condition, and the test of production phase.System-level test is a very important ring, is the test of the mobile phone after in stable condition being carried out comprehensive holonomic system, is an important step of product stability test.Simultaneously, system-level test also is the complete assurance of development to the last performance of properties of product, so the comprehensive and integrality of its test is all essential.
Comprise the checking of some important components and parts indexs for the test of cell phone system, wherein the motor performance quality is a wherein important ring.And for the test of motor operations performance, mainly be its current capability of test.As shown in Figure 1, the method for testing of single-plate grade is on mainboard one of motor work pin to be disconnected, and universal instrument is connected on the operating current of test motor on the whole main board system, and this is a kind of destructive method of testing, only is suitable for the debug phase of single-plate grade.And the packing forms of motor has nothing in common with each other, and can disconnect its pin on pad for the motor of welded type and carry out universal instrument series connection test, and for the motor of compression joint type, then must draw p-wire from contact point to test, and can destroy the electrical contact of motor.This method of testing complexity, and be not suitable for system-level system test.
Therefore, on the basis of existing technology, the present invention is directed to the bottleneck of system-level motor device detection and proposed a kind of motor current test method.
Summary of the invention
In view of the above problems, the invention provides a kind of motor current test method, the wired connection method of measurement of especially a kind of cdma mobile terminal system stage motor.It has simplified method of testing, also is suitable for system-level system test simultaneously.
Wherein, in motor current test method, at first portable terminal to be measured is handled by black box, promptly do not related to the concrete course of work of portable terminal to be measured inside.Define the measurement environment of portable terminal to be measured then, comprise the riding position of measuring system etc.This method is by using outside programmable current source to the portable terminal power supply to be measured of false battery is housed, with the prevention at radio-frequency port of portable terminal to be measured (that is terminal Connector mouth or be called antenna opening, link to each other with an end of defined low-power consumption radio frequency cable down together), the other end of low-power consumption radio frequency cable and cdma network simulator (also claim the cdma base station simulator or claim the terminal comprehensive test instrument, link to each other down together), set up the cdma communication link.Connect GPIB card control programmable current source by computer, the motor operations electric current under the test complete machine state.
According to an aspect of the present invention, provide a kind of motor current test method, be used for the electric current of the motor of Black-box Testing portable terminal, it may further comprise the steps: step S302, build test environment; Step S304, portable terminal to be measured are set to incoming call vibrations and closing state backlight, send calling to portable terminal to be measured, the test first portable terminal working current value at this moment; Step S306, the portable terminal to be measured closing state quiet and backlight that is set to send a telegram here is sent calling to portable terminal to be measured, the second portable terminal working current value of test this moment; And step S308, calculate the motor current value according to the first portable terminal working current value and the second portable terminal working current value.
Wherein, step S302 can may further comprise the steps: portable terminal to be measured and network simulator are placed in the regulation environment; Portable terminal to be measured is placed on the testboard, and by external current source for portable terminal to be measured provides nominal voltage, portable terminal to be measured is operated under the normal steady state voltage; And set up the portable terminal to be measured behind the normal boot-strap and the wired connection test condition of network simulator, and network simulator is set to the audio call state.
And, regulation environment and external electromagnetic ripple electromagnetic shielding, the space can be 3m * 3m * 2.7m.Testboard can be made by the lower electromagnetic loss material.In the portable terminal to be measured false battery can be housed.External current source can be the digital programmable current source.
Simultaneously, sending calling to portable terminal to be measured can realize by network simulator.
The motor operations current value can be for the first portable terminal working current value and the second portable terminal working current value poor.Wired connection can realize by the low-power consumption stube cable with high frequency choke ability.
Wherein, the first portable terminal operating current can be to calculate by removing from the operating current data of test record after the portable terminal operating current under the motor halted state, averaging.
Thereby, by the present invention can resolution system level motor device detection bottleneck problem, and method of testing of the present invention is simple, is suitable for system-level system test.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of debugging single board stage motor destructive testing method;
Fig. 2 is the flow chart of motor method of testing under the complete machine state;
Fig. 3 is the schematic diagram of motor test under the complete machine state; And
Fig. 4 is the flow chart of motor method of testing under the complete machine state according to an embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 2 is a motor method of testing schematic diagram under the complete machine state.Fig. 3 is a motor test flow chart under the complete machine state.Below, with reference to Fig. 2, Fig. 3 the motor current test method that the present invention relates to is described in detail.
As shown in Figure 3, in the motor current test method of the motor current that is used for the Black-box Testing portable terminal, may further comprise the steps: step S302, build test environment; Step S304, portable terminal to be measured are set to incoming call vibrations and closing state backlight, send calling to portable terminal to be measured, the test first portable terminal working current value at this moment; Step S306, the portable terminal to be measured closing state quiet and backlight that is set to send a telegram here is sent calling to portable terminal to be measured, the second portable terminal working current value of test this moment; And step S308, calculate the motor current value according to the first portable terminal working current value and the second portable terminal working current value.
Wherein, step S302 may further comprise the steps: portable terminal to be measured and network simulator are placed in the regulation environment; Portable terminal to be measured is placed on the testboard, and by external current source for portable terminal to be measured provides nominal voltage, portable terminal to be measured is operated under the normal steady state voltage; And set up the portable terminal to be measured behind the normal boot-strap and the wired connection test condition of network simulator, and network simulator is set to the audio call state.
And, regulation environment and external electromagnetic ripple electromagnetic shielding, the space is 3m * 3m * 2.7m.Testboard is made by the lower electromagnetic loss material.False battery is housed in the portable terminal to be measured.External current source is the digital programmable current source.
Simultaneously, sending calling to portable terminal to be measured realizes by network simulator.
The motor operations current value is the poor of the first portable terminal working current value and the second portable terminal working current value.Wired connection is to realize by the low-power consumption stube cable with high frequency choke ability.
Wherein, the first portable terminal operating current is to calculate by removing from the operating current data of test record after the portable terminal operating current under the motor halted state, averaging.
Fig. 4 is the flow chart of motor method of testing under the complete machine state according to an embodiment of the invention, and wherein, portable terminal is a mobile phone.Below with reference to Fig. 2 Fig. 4 is described, concrete steps are as follows:
S401 is placed on mobile phone to be measured 210 and network simulation instrument 204 and programmable digital current source 202 with the external electromagnetic ripple and realizes that the electromagnetic wave shielding room space is about 3m * 3m * 2.7m in the regulation environment of electromagnetic shielding;
S402 vertically is positioned over mobile phone 210 to be measured on the testboard that the lower electromagnetic loss material makes;
S403 tries to give a false impression battery in mobile phone 210, provide nominal voltage by the bottom connector to mobile phone with programmable digital current source 202, makes mobile phone 210 work normal boot-strap under normal stable state;
S404, one end of the low-power consumption radio frequency cable 208 that the prevention at radio-frequency port of the mobile phone to be measured 210 that will connect in previous step rapid (3) and loss are known is connected, the other end of low-power consumption radio frequency cable 208 is connected with cdma network simulator 204, connection status has the about 0.5m of low-power consumption stube cable 208 length of high frequency choke ability as shown in Figure 2.Network simulator 204 stable performances should meet the dependence test standard;
S405 is set to correct audio call state with cdma network emulating instrument 204.The incoming call prompting state of mobile phone 210 is set to the incoming call vibrations, backlight is set for closing.By cdma network emulating instrument 210 calling handsets, when making mobile phone 210 be in the incoming call vibrating state, and backlight is closed.Open the real-time current testing software on the computer, by GPIB card 206 control programmable current sources 202, the operating current of test mobile phone 210 this moment.During incoming call, the operating state of motor is to shake, stops prompting mode, is not in running order always.So, need to use data to handle small routine for the operating current data of test record, remove the operating handset electric current under the motor halted state, do on average again, be Icm with the data record of this electric current;
S406 keeps mobile phone and cdma network emulating instrument 204 connection status constant, and the incoming call prompting state of mobile phone 210 is set to mute state, and backlight is closed.By cdma network emulating instrument 204 calling handsets, make mobile phone 210 be in the incoming call mute state, the mobile phone backlight is closed, and opens the real-time current testing software on the computer, testing mobile phone operating current at this moment, the average operating current that writes down this stage is Ic; And
S407, the operating current I of calculating motor reality, computational methods are: I=Icm-Ic.Experimental verification, Ce Shi current values and the single board state operating current of directly testing the motor pin is consistent in this way.
In sum, by the present invention can resolution system level motor device detection bottleneck problem, and method of testing of the present invention is simple, is suitable for system-level system test, is a kind of method of testing of integrality.
Those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.Should be understood that the variation in these concrete enforcements is conspicuous for a person skilled in the art, do not break away from spiritual protection range of the present invention.
Claims (10)
1. motor current test method is used for the electric current of the motor of Black-box Testing portable terminal, it is characterized in that, may further comprise the steps:
Step S302 builds test environment;
Step S304, portable terminal to be measured are set to incoming call vibrations and closing state backlight, send calling to described portable terminal to be measured, the test first portable terminal working current value at this moment;
Step S306, the described portable terminal to be measured closing state quiet and backlight that is set to send a telegram here is sent calling to described portable terminal to be measured, the second portable terminal working current value of test this moment; And
Step S308 calculates the motor current value according to described first portable terminal working current value and the described second portable terminal working current value.
2. motor current test method according to claim 1 is characterized in that, described step S302 may further comprise the steps:
Portable terminal to be measured and network simulator are placed in the regulation environment;
Described portable terminal to be measured is placed on the testboard in the described regulation environment, and by external current source for described portable terminal to be measured provides nominal voltage, described portable terminal to be measured is operated under the normal steady state voltage; And
Set up the portable terminal described to be measured behind the normal boot-strap and the wired connection test condition of described network simulator, and described network simulator is set to the audio call state.
3. motor current test method according to claim 2 is characterized in that, described regulation environment and external electromagnetic ripple electromagnetic shielding, and the space is 3m * 3m * 2.7m.
4. motor current test method according to claim 2 is characterized in that described testboard is made by the lower electromagnetic loss material.
5. motor current test method according to claim 2 is characterized in that, in the described portable terminal to be measured false battery is housed.
6. motor current test method according to claim 2 is characterized in that, described external current source is the digital programmable current source.
7. motor current test method according to claim 2 is characterized in that, sends to call out by described network simulator to described portable terminal to be measured and realizes.
8. motor current test method according to claim 1 is characterized in that, described motor operations current value is the poor of described first portable terminal working current value and the described second portable terminal working current value.
9. motor current test method according to claim 2 is characterized in that, described wired connection is to realize by the low-power consumption stube cable with high frequency choke ability.
10. motor current test method according to claim 1, it is characterized in that, the described first portable terminal operating current is to calculate by removing from the operating current data of test record after the portable terminal operating current under the motor halted state, averaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100024044A CN100502546C (en) | 2007-01-17 | 2007-01-17 | Motor current test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100024044A CN100502546C (en) | 2007-01-17 | 2007-01-17 | Motor current test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101001436A CN101001436A (en) | 2007-07-18 |
| CN100502546C true CN100502546C (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100024044A Expired - Fee Related CN100502546C (en) | 2007-01-17 | 2007-01-17 | Motor current test method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107450021A (en) * | 2017-06-27 | 2017-12-08 | 上海电机系统节能工程技术研究中心有限公司 | A kind of multipurpose test system for motor test |
| CN107807330A (en) * | 2017-09-22 | 2018-03-16 | 苏州惠邦科信息技术有限公司 | The method of testing of the electric current of the vibrating motor of mobile phone |
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- 2007-01-17 CN CNB2007100024044A patent/CN100502546C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101001436A (en) | 2007-07-18 |
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Granted publication date: 20090617 Termination date: 20170117 |