CN101068426B - Method for measuring cell phone standby time - Google Patents

Abstract

A method for measuring standby time interval of mobile phone includes setting up test environment of mobile phone to be tested, measuring average current I of said mobile phone under standby state, measuring power consumption c of said mobile phone under standby time interval and applying formula of T=C/I to calculate standby time interval.

Description

The method of measurement of cell phone standby time

Technical field

The present invention relates to a kind of universal measurement method of cell phone standby time, relate in particular to the method for measurement of cellular mobile handset (hereinafter to be referred as mobile phone) standby time.

Background technology

Development along with mobile communication technology, especially the develop rapidly of cellular mobile communication technology, bring huge convenience and economical and practical to people, meanwhile, some problems of mobile phone also become increasingly conspicuous, wherein, the relatively short problem of cell phone standby time is the concentration problem that the cellphone subscriber is generally reflected.A committed step that addresses the above problem is, at first to there be one to be used for assessing the characterising parameter of mobile phone at network analog environment standby time, provide a kind of method of more accurate and in the industry cycle feasible this parameter of measurement then, thereby for addressing the above problem the means that detection, checking and assessment are provided.

Summary of the invention

The technical problem to be solved in the present invention is, a kind of method of measurement of cell phone standby time is provided, so that the method for detection, assessment standby time to be provided.

For solving the problems of the technologies described above, the invention provides a kind of method of measurement of cell phone standby time, this method may further comprise the steps:

(a) set up the test environment of mobile phone to be measured;

(b) measure the average current I of mobile phone to be measured under holding state;

(c) measure the electric weight C that mobile phone to be measured consumed in the standby period;

(d) according to the parameter of above-mentioned steps gained, calculate standby time T=C/I.

Further, step (a) test environment of setting up mobile phone to be measured may further comprise the steps:

(a1) mobile phone to be measured and network simulator are placed on the external electromagnetic ripple and realize in the environment of electromagnetic shielding;

(a2) mobile phone to be measured is placed on the brace table of being made by the lower electromagnetic loss material;

(a3) end of the low-power consumption radio frequency cable that the prevention at radio-frequency port of mobile phone to be measured and loss is known is connected, and the other end of low-power consumption radio frequency cable is connected with network simulator;

(a4) other power consumption function setting of mobile phone to be measured are arrived its power consumption minimum.

Further, outside this low-power consumption radio frequency cable, be provided with a high frequency choke coil in the step (a3).

Further, in the step (a4) with the closed condition or the darkest state of placing backlight of mobile phone to be measured; Mobile phone to be measured is placed the stand-by operation state.

Further, the average current of step (b) measurement mobile phone to be measured under holding state is achieved in that

(a1) use simulated battery, give mobile phone power supply to be measured, in the power supply loop, connect a power supply loop current detecting and a recording equipment with voltage source;

(a2) mobile phone to be measured is set to holding state, and every certain interval of time detects and record primary current value;

(a3), calculate the average standby current I of standby period according to measured measured current.

Further, step (c) measurement mobile phone to be measured is achieved in that at the electric weight C of standby period consumption

(c11) measure mobile phone shutdown voltage V to be measured _t

(c12) with the charger of mobile phone standard configuration to be measured, the true battery of its configuration is fully charged, the above-mentioned standard configuration battery that is full of electricity is assemblied on the cell tester, fully discharge with the electric current of 0.5 times of total electric weight of battery per hour;

(c13) with mobile phone standard configuration charger to be measured the true battery of this mobile phone to be measured is fully charged once more;

(c14) the above-mentioned true battery that is full of electric weight is assemblied on the cell tester, with I _{0, Idle}The electric current constant-current discharge is discharged to the mobile phone to be measured voltage V that shuts down automatically _t, record discharge duration T _{0, Idle}, then calculate standby period electric weight C=I _{0, Idle}T _{0, Idle}

Further, step (c) measurement mobile phone to be measured is achieved in that at the electric weight C of standby period consumption

(c21) total electric weight C of measurement standard configuration battery ₀

(c22) total electric weight C0 and its discharging efficiency factor η according to the standard configuration battery calculates standby period electric weight C=C ₀* η.

The invention provides the universal measurement method of cell phone standby time, by in the network environment of simulation to mobile phone finite time at interval standby current and the measurement of consumes power, obtain being used to describe the standby time parameter of mobile phone, this method environmental requirement is low, Easy Test, simple and easy to do.

Description of drawings

Fig. 1 is the flow chart of the method for the invention;

Fig. 2 is a flow chart of setting up the test environment of mobile phone to be measured among Fig. 1;

Fig. 3 is mobile phone to be measured and network simulator cable connection diagram;

Fig. 4 is the measurement flow chart of the average standby current of Fig. 1 mobile phone to be measured;

Fig. 5 is the measurement flow chart of the electric weight C of battery of mobile phone standby period among Fig. 1.

Fig. 6 is that the another kind of battery of mobile phone standby period electric weight C among Fig. 1 is measured flow chart.

Embodiment

Basic ideas of the present invention are that mobile phone to be measured is handled by black box, promptly do not relate to the concrete course of work of mobile phone to be measured inside.

As shown in Figure 1, the present invention's method of measurement of proposing a kind of cell phone standby time comprises the steps:

Step 100: the test environment of setting up mobile phone to be measured;

Step 200: measure the average current of mobile phone to be measured under holding state And mobile phone to be measured is at the electric weight C of standby period consumption;

Step 300:, calculate standby time T according to the parameter of step 200 gained _Idle,

Wherein, $T_{\mathrm{Idle}}=\frac{C}{I_{\mathrm{Idle}-\mathrm{avg}}}\·$

Below with embodiments of the present invention is described in detail.

The test environment of setting up mobile phone to be measured as shown in Figure 2 may further comprise the steps:

Step 201: mobile phone to be measured and network simulator be placed on the external electromagnetic ripple realize in the environment of electromagnetic shielding;

In the present embodiment, described environment is the electromagnetic wave shielding room that the space is about 3m*3m*2.7m.

Step 202: mobile phone to be measured is placed on the testboard;

Testboard described here should be that the measurement for mobile phone to be measured provides a support platform, therefore, this testboard should not exert an influence to the measurement of mobile phone to be measured, wherein the important point is exactly should too much loss not arranged to the electromagnetic signal between network simulator and the mobile phone to be measured, therefore, this testboard should be a testboard of being made by the lower electromagnetic loss material, and what perhaps be used to support tester (as network simulator, mobile phone to be measured and radio frequency cable) is a brace table of being made by the lower electromagnetic loss material.

Step 203: an end of the low-power consumption radio frequency cable that the prevention at radio-frequency port and the loss of mobile phone to be measured is known is connected, and the other end of low-power consumption radio frequency cable is connected with network simulator, and connection status as shown in Figure 3;

Outside this low-power consumption radio frequency cable, be provided with a high frequency choke coil, be used to avoid the loss of the electromagnetic signal of internal transmission, in the present embodiment, the about 0.5m of the length of low consumption radio frequency cable.

Other are provided with influence to standby time institute power consumption in order to reduce cell phone, need be with other power consumption function setting to its power consumption minimum, so can also comprise the steps:

Configuration network simulator parameters, present embodiment are example with WCDMA, and the network simulator parameter is as shown in table 1.

Table 1

Also comprise the registration of closing all other types of mobile phone; Forever close tested mobile phone background light, or it is set for minimum.

Step 204: speech business is configured to the fixedly speech business that telephone traffic is determined, audio configuration external audio frequency equipment;

Step 205: the closed condition or the darkest state of placing backlight of mobile phone to be measured;

Step 206: mobile phone to be measured is placed the stand-by operation state, and clamshell phone then opens to maximum with upturning lid in this way.

Referring to Fig. 4, measure the average standby current of mobile phone to be measured

Comprise the steps:

Step 401: use simulated battery, use V _3.8Voltage source is given mobile phone power supply to be measured, and in the power supply loop of this voltage source, an external current detecting and recording equipment (for example, internal resistance of series connection is several ohm ammeter or a high-precision current sample devices);

Step 402: mobile phone to be measured is set to holding state, and the electric current that starts the power supply loop simultaneously detects and recording equipment, and every interval delta T time detecting also writes down the primary current value, surveys N time, and keeps Δ T _IdleHour;

Step 403:, calculate Δ T according to measured measured current _IdleThe average standby current of period

MA;

${\stackrel{\‾}{I}}_{\mathrm{Idle}-\mathrm{avg}}\left(\mathrm{mA}\right)=\frac{1}{N}\underset{i=1}{\overset{N}{\mathrm{\Σ}}}I\left(i\right)$

Wherein, N is Δ T _IdleSampling number in period, described Δ T _IdleThe suggestion value is 0.5 hour, V _3.8The suggestion value is 3.8V.

Referring to Fig. 5, the electric weight C that the battery of mobile phone holding state consumes down can adopt following method to obtain:

Step 501: the total electric weight C that adopts GB battery dependence test criterion standard configuration battery ₀With its discharging efficiency factor η;

Step 502: total electric weight C of the standard configuration battery that obtains according to step 501 ₀Calculate standby period electric weight C:C=C with its discharging efficiency factor η ₀* η

As shown in Figure 6, the electric weight C that consumes under the battery of mobile phone holding state also can adopt following method to obtain:

Step 601: measure mobile phone shutdown voltage V to be measured _t

Step 602: with the charger of mobile phone standard configuration to be measured, the true battery of its configuration is fully charged, the above-mentioned standard configuration battery that is full of electricity is assemblied on the cell tester, fully discharge with the electric current of 0.5 times of total electric weight of battery per hour;

For example, when the total electric weight of battery was 400mAh, discharging current was 200mA

Step 602: the true battery of this mobile phone to be measured is fully charged once more with mobile phone standard configuration charger to be measured;

Step 603: the above-mentioned true battery that is full of electric weight is assemblied on the cell tester, with I _{0, Idle}The electric current constant-current discharge is discharged to the mobile phone to be measured voltage V that shuts down automatically _t, record discharge duration T _{0, Idle}, then calculate standby period electric weight C=I _{0, Idle}T _{0, Idle}

In the present embodiment, used battery is the standard configuration battery of mobile phone to be measured, and this battery service time should be in 6 months

Can guarantee that through the battery of mobile phone of handling like this electric weight of the battery of mobile phone when carrying out measurement shown in Figure 6 is a rated capacity, guarantee the accuracy of measurement result.

Below be a WCDMA mobile phone actual measurement example:

The duration of call that promptly can be mobile phone to be measured according to above method of measurement is carried out feasible detection, assessment.

The invention provides the universal measurement method of cell phone standby time, by in the network environment of simulation to mobile phone finite time at interval standby current and the measurement of consumes power, obtain being used to describe the standby time parameter of mobile phone, this method environmental requirement is low, Easy Test, simple and easy to do.

It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (4)

1. the standby time method of measurement of a cell phone, this method may further comprise the steps:

(a) set up the test environment of mobile phone to be measured, comprising:

(a1) mobile phone to be measured and network simulator are placed on the external electromagnetic ripple and realize in the environment of electromagnetic shielding;

(a2) mobile phone to be measured is placed on the brace table of being made by the lower electromagnetic loss material;

(a3) end of the low-power consumption radio frequency cable that the prevention at radio-frequency port of mobile phone to be measured and loss is known is connected, and the other end of low-power consumption radio frequency cable is connected with network simulator;

(a4) with the power consumption function setting of mobile phone to be measured to minimum power consumption, and with the closed condition or the darkest state of placing backlight of mobile phone to be measured; Mobile phone to be measured is placed the stand-by operation state;

(b) use simulated battery, give mobile phone power supply to be measured, in the power supply loop, connect a power supply loop current detecting and a recording equipment with voltage source; Mobile phone to be measured is set to holding state, and every certain interval of time detects and record primary current value; According to measured measured current, calculate the average standby current I of standby period;

(c) measure the electric weight C that mobile phone to be measured consumed in the standby period;

(d) according to the parameter of above-mentioned steps gained, calculate standby time T=C/I.

2. the method for claim 1 is characterized in that: be provided with a high frequency choke coil in the step (a3) outside this low-power consumption radio frequency cable.

3. the method for claim 1 is characterized in that: step (c) is measured the electric weight C that mobile phone to be measured consumes in the standby period and is achieved in that

(c11) measure mobile phone shutdown voltage V to be measured _t

(c12) with the charger of mobile phone standard configuration to be measured, the true battery of its configuration is fully charged, the above-mentioned standard configuration battery that is full of electricity is assemblied on the cell tester, fully discharge with the electric current of 0.5 times of total electric weight of battery per hour;

(c13) with mobile phone standard configuration charger to be measured the true battery of this mobile phone to be measured is fully charged once more;

(c14) the above-mentioned true battery that is full of electric weight is assemblied on the cell tester, with I _{0, Idle}The electric current constant-current discharge is discharged to the mobile phone to be measured voltage V that shuts down automatically _t, record discharge duration T _{0, Idle}, then calculate standby period electric weight C=I _{0, Idle}T _{0, Idle}

4. as each described method of claim 1 to 3, it is characterized in that: step (c) is measured mobile phone to be measured and is achieved in that at the electric weight C of standby period consumption

(c21) total electric weight C of measurement standard configuration battery ₀

(c22) total electric weight C0 and its discharging efficiency factor η according to the standard configuration battery calculates standby period electric weight C=C ₀* η.

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