JPH0984270A - Battery evaluating system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to accurately measure the voltage-current-battery power consumption at the time of charging and discharging a battery almost like using a real unit by fetching the voltage and current at the time of charging or discharging the battery measured by an element in a personal computer, and storing it in a memory medium, thereby forcedly generating a load. SOLUTION: Battery evaluating means 4 in a personal computer 2 drives a unit or a circuit such as a disk unit at the time of discharging a battery 1, fetches the voltage and current of the battery 1 at that time from an element (power source monitor-battery controller) 3 in the state that a load matches that in a real unit, stores it in a memory 5, and displays it on a display unit 6. Accordingly, it can measure and store the voltage-current-battery power consumption at the time of charging or discharging the battery 1 like in the real unit by forcedly generating a load by operating a disk unit as a load for discharging the battery 1 by measuring and storing the voltage-current-battery power consumption at the time of charging or discharging the battery 1 without a special unit.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a battery voltage,
The present invention relates to a battery evaluation system that measures and evaluates current.

[0002]

2. Description of the Related Art Conventionally, evaluation of measurement of charge and discharge of a battery of a personal computer equipped with a battery is performed as shown in FIG.
An externally connected measuring device was connected to the outside of the target PC, and the software was operated to measure and record the voltage, current, temperature changes, etc. for evaluation. The operation of the configuration of FIG. 5 will be briefly described below.

FIG. 5 shows an explanatory view of the prior art. In FIG. 5, a battery 21 supplies power for operating the personal computer 22.

The personal computer 22 operates on the battery 21,
It performs various processing. The external connection measuring device 23
Connected to the battery 21 and the personal computer 22, the battery 2
The voltage, the current, the amount of battery charge, etc. at the time of discharging / charging No. 1 are measured and printed by the printers 25 and 27.

The current / voltage measuring devices 24 and 26 measure the current and voltage of the battery 21 or the personal computer 22. The printers 25 and 27 print the measurement results.

Next, the operation will be described. The battery 21 is connected to the personal computer 22, and the externally connected measuring device 23 is connected to both of them, so that the externally connected measuring device 23 measures and records the voltage, current, and battery consumption of the battery 21 and the personal computer 22. Was there.

[0007]

As described above, the conventional external connection measuring device 23 is connected to a dedicated device outside the personal computer 22 and measures the voltage, current and battery consumption of the battery 21 and personal computer 22. Since this is recorded, there is a problem that a special external device is required to evaluate the battery of the personal computer 22 and the device becomes large-scale.

The present invention solves these problems by
A battery evaluation means is provided inside a personal computer, etc., and voltage / current / battery consumption at the time of charging / discharging the battery is measured without any special device and stored in a storage device, or a disk device is used as a load for discharging the battery. The purpose is to accurately measure the voltage / current / battery consumption at the time of charging / discharging the battery close to the actual machine by operating it and forcibly generating a load.

[0009]

[Means for Solving the Problems] Means for solving the problems will be described with reference to FIG. In FIG. 1, a battery 1 supplies power to a personal computer 2.

The personal computer 2 is supplied with power from the battery 1 and performs various processes. Here, the personal computer 2 is composed of an element 3, a battery evaluation means 4 and the like.

The element 3 is for detecting voltage and current. The battery evaluation means 4 takes in the voltage and current of the battery detected by the element 3, stores them in the storage device 5, displays them on the display device 6, and the like.

Next, the operation will be described. The battery evaluation means 4 built in the personal computer 2 takes in the voltage and current measured by the element 3 when the battery 1 is charged or discharged and stores it in the storage medium 5.

At this time, the battery evaluation means 4 makes the battery 1
When a device such as a disk device or a circuit is driven at the time of discharging, the voltage and current of the battery 1 at that time are taken from the element 3 and stored and stored in the storage device 5 under the condition that the load is matched to the actual device. At the same time, it is displayed on the screen of the display device 6.

Therefore, the battery evaluation means 4 is provided inside the personal computer 2 or the like, and the voltage / current / battery consumption during charging / discharging of the battery 1 is measured without any special device and stored in the storage device 5, or It has become possible to accurately measure voltage / current / battery consumption at the time of charging / discharging the battery 1 close to the actual machine by operating a disk device or the like as a load for discharging 1 to forcibly generate the load.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments and operations of the present invention will be sequentially described in detail with reference to FIGS.

FIG. 1 shows a system configuration diagram of the present invention.
In FIG. 1, a battery 1 supplies power to a personal computer 2, and under the control of the element 3, an external power source (not shown) is used to charge the battery to full charge, or power is supplied to the personal computer 2. It then discharges.

The personal computer 2 is supplied with power from the battery 1 and performs various processes. Here, the personal computer 2 is composed of an element 3, a battery evaluation means 4 and the like.

The element 3 is for detecting the voltage and current of the battery 1 and the personal computer 2 and for charging the battery by using a power source (not shown) for the battery 1. It is a battery controller.

The battery evaluation means 4 takes in the voltage and current of the battery detected by the element 3 and the voltage and current of the personal computer 2, respectively, and stores them in the storage device 5 or displays them on the display device 6. Is.

The storage device 5 stores the voltage, current, and
It also stores the voltage and current of the personal computer 2, and is various disk devices such as a floppy disk device and a hard disk device. This storage device 5
It is for storing data or forcibly accessing it to load the battery on the actual machine.

The display device 6 displays various data. Here, the voltage and current variation data (variation value, variation curve) of the battery 1 and the personal computer 2 fetched from the element 3 by the battery evaluation means 4 is used. ) Is displayed (see FIG. 4).

Next, according to the flow chart of FIG.
The operation at the time of charging the battery 1 having the above configuration will be described in detail. In FIG. 2, S1 starts the battery evaluation software. This activates the battery evaluation means 4 which is the battery evaluation software incorporated in the personal computer 2 of FIG.

In S2, the battery controller is read. In this, the battery evaluation means 4 of FIG. 1 reads the battery voltage V, the battery current I, and the remaining battery amount% when the battery 1 is charged from the power supply monitoring / battery controller which is the element 3.

At step S3, the read information is displayed. This is because the information read in S2 (battery voltage V during charging, battery current I, remaining battery percentage) is displayed on the display device 6, for example, the numerical value of change in (a) of FIG. It is displayed as the change curve of (b).

A step S4 waits for a keyboard operation. If there is an operation, the process proceeds to S6. On the other hand, if there is no operation, the process proceeds to S5. In S5, it is determined that there is no operation in S4, so it is determined whether one second has elapsed. If YES, S2
Return to and repeat. On the other hand, if NO, the process returns to S4 and is repeated.

Through the above steps S1 to S5, the battery voltage V, the battery current I, and the remaining battery amount% of the battery 1 are read in a predetermined cycle (here, every one second), and the display device 6 displays them on the display device 6 in FIG. Change value and (b) of FIG.
It is possible to display it as a change curve of, and store it in the storage device 5 and save it.

In S6, since it is determined in S4 that the keyboard has been operated, it is determined whether the operation is an end operation. If YES, the process ends. If NO, the process proceeds to S7. S
7 determines whether the instruction is from the battery controller. This determines whether the operation content in S4 is an instruction (charging start / charging end instruction, read data instruction) to the battery controller. In the case of YES, the control designated in S8, for example, in the case of the charge start instruction, the battery controller is instructed to operate the battery 1 from the power source (not shown).
To start charging, or to instruct the battery controller when charging is instructed, from a power source (not shown) to the battery 1
The charging is terminated, and in the case of a read data instruction, the battery voltage V, the battery current I, and the battery residual amount% are read from the power supply monitor. On the other hand, S7
In the case of NO, the process returns to S2 and is repeated.

As described above, when the battery 1 is charged, the battery voltage V, the battery current I, and the remaining battery% are calculated by the element 3
Read from the display device 6 as a variation numerical value and a variation curve as shown in FIGS. 4A and 4B, and the battery voltage V, the battery current I, and the battery residual amount%.
Is stored in the storage device 5. With these, the battery evaluation means 4 built in the personal computer 2 reads the battery voltage V, the battery current I, and the battery residual amount% at the time of charging with a simple circuit configuration, displays them on the display device 6, and stores them in the storage device 5. It becomes possible.

Next, referring to the flow chart of FIG.
The operation at the time of discharging the battery 1 having the above configuration will be described in detail.
In FIG. 3, S11 activates the battery evaluation software. This activates the battery evaluation means 4 which is the battery evaluation software incorporated in the personal computer 2 of FIG.

In step S12, the battery controller is read. This is because the battery evaluation means 4 of FIG.
The battery voltage V, the battery current I, and the remaining battery level% at the time of discharging are read.

In step S13, the read information is displayed. This is the information read in S2 (the battery voltage V at the time of discharge,
The battery current I and the battery remaining percentage) are displayed on the display device 6 as a change numerical value and a change curve.

A step S14 waits for a keyboard operation. If there is an operation, the process proceeds to S20. On the other hand, if there is no operation, the process proceeds to S15. In S15, since it is determined that there is no operation in S14, it is determined whether floppy access is necessary. This determines whether it is necessary to operate the actual machine to increase the load of battery consumption, as described on the right side. If YES, access the floppy in S16 to increase the load,
Proceed to S17. On the other hand, if NO, the process proceeds to S17.

A step S17 decides whether or not the disk access is necessary. This determines whether it is necessary to operate the actual machine to increase the load of battery consumption, as described on the right side. YE
In the case of S, the disk is accessed to increase the load in S18, and the process proceeds to S19. On the other hand, if NO, the process proceeds to S19.

In step S19, it is determined whether one second has passed. YE
In the case of S, the process returns to S12 and is repeated. On the other hand, if NO, the process returns to S14 and is repeated. Above S11 to S1
9, the floppy disk device and the disk device are accessed to increase the load of the actual device and set to the power consumption state during the actual operation, and the battery of the battery 1 at the time of discharging at a predetermined cycle (here, every one second) The voltage V, the battery current I, and the battery residual amount% are read, and the display device 6
It is possible to display the change numerical value and the change curve on the upper side, and also to store and save in the storage device 5.

In S20, since it is determined in S14 that the keyboard operation has been performed, it is determined whether the operation is an end operation. YE
In the case of S, the process ends. If NO, the process proceeds to S21. In S21, it is determined whether the instruction is from the battery controller. This determines whether the operation content with the operation of S14 is an instruction to the battery controller (discharge start / discharge end instruction, read data instruction, connection device operation instruction). In the case of YES, the control designated in S22, for example, in the case of the charge start instruction, the battery controller is instructed to start discharging, and in the case of the discharge end instruction, the battery controller is instructed. 1 is terminated, or when read data is instructed, the battery voltage V, battery current I,
In step S12, the battery remaining amount% is read, or in the case of a connection device operation instruction, the instructed device (for example, a device such as a floppy disk device or a disk device) is accessed to increase the load on the actual device. Return and repeat. On the other hand, if NO in S21, the process returns to S12 and is repeated.

As described above, when the battery 1 is discharged, the actual floppy disk device or the hard disk device is accessed to increase the load, and the battery voltage V, the battery current I, and the battery residual amount% at the time of discharging under the actual load state. Is read from the element 3 and displayed on the display device 6 as a fluctuation value and a fluctuation curve, and the battery voltage V, the battery current I, and the battery residual amount% are stored in the storage device 5. As a result, the battery evaluation means 4 built in the personal computer 2 reads the battery voltage V, the battery current I, and the battery residual amount% at the time of discharging with the simple circuit configuration, displays the data of the actual machine state, and displays and stores it on the display device 6. It becomes possible to store in the device 5.

FIG. 4 shows an example of the measurement result screen (variation data) of the present invention. FIG. 4A shows an example of change numerical values in the change data. This change numerical value is read from the power supply monitoring / battery controller constituting the element 3 by the procedure of charging shown in FIG. 2, and the battery voltage V, the battery current I, and the battery residual amount% are shown as change numerical values every 10 seconds. It is what was displayed in. Here, the elapsed time is 1
The battery voltage V is the battery voltage at the time of charging, the battery current I is the battery current at the time of charging, and the battery residual amount% is the battery residual amount% at the time of charging. is there.

FIG. 4B shows an example of a change curve of the battery voltage V in the fluctuation data. The change curve of the battery voltage V at the time of charging is the battery voltage V, the battery current I, and the battery residual amount% from the power supply monitoring / battery controller configuring the element 3 according to the procedure at the time of charging in FIG.
Is a display of the battery voltage as an analog value. Here, the horizontal axis represents the elapsed time T, and the vertical axis represents the battery voltage V during charging. By looking at the change curve of the battery voltage V, it is possible to grasp at a glance how the battery 1 is gradually being charged at the time of charging.

[0039]

As described above, according to the present invention,
A battery evaluation means 4 is provided inside the personal computer 2 or the like to measure the voltage / current / battery consumption during charging / discharging of the battery 1 and store it in the storage device 5 or discharge the battery 1 without any special device. As a result, the disk device or the like is operated to forcibly generate a load, and the voltage / current / battery consumption at the time of charging / discharging the battery 1 close to the actual machine can be accurately measured. As a result, the battery evaluation means 4 can be incorporated into the personal computer 2 or the like as battery evaluation software to operate, and a floppy disk device or a hard disk device suitable for an actual machine can be driven to achieve an actual power consumption state. In the held state, the battery voltage V, the battery current I, and the remaining battery amount% of the battery 1 at the time of charging and discharging can be measured and evaluated easily and accurately.

[Brief description of drawings]

FIG. 1 is a system configuration diagram of the present invention.

FIG. 2 is a flowchart of charging of the present invention.

FIG. 3 is a flowchart at the time of discharging according to the present invention.

FIG. 4 is an example of a measurement result screen (variation data) of the present invention.

FIG. 5 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 1: Battery 2: Personal computer 3: Element (power supply monitoring / battery controller) 4: Battery evaluation means (battery evaluation software) 5: Storage device 6: Display device

Claims (2)

[Claims] 1. A voltage when charging or discharging a battery,
An element that measures current and a battery evaluation unit that captures the voltage and current measured by this element when the battery is charged or discharged and stores it in a storage medium are installed in a device that operates by receiving power supply from the battery. A battery evaluation system characterized by being provided. 2. Under the condition that the battery evaluation means drives a device such as a disk device or a circuit when the battery is discharged to match the load with an actual device, the voltage and current of the battery at that time are fetched from the element. 2. The battery evaluation system according to claim 1, wherein the battery evaluation system stores and saves in the storage medium and displays it on a screen.