TW452652B - Tool and test method for measuring battery capacity inside notebook computer - Google Patents

Abstract

The invention relates to a tool and test method for measuring battery capacity inside notebook computer, in which the tool is installed with a microcontroller chip, a charge/discharge switching circuit, a capacity selection switch, several battery connecting slots and a discharging load, allowing the microcontroller chip to calibrate the charge battery when a charge battery is installed in the battery holding slots so that the residual charge of charge battery can be eliminated. Next, switch the charge/discharge switching circuit to the charging state in accordance with the parameters configured by the capacity selection switch to conduct charging for the charge battery and constantly monitor and control the charging condition of the charge battery until the capacity of the charge battery reaches the configured parameters. Thereby, it is unnecessary to rely on manual operation, significantly saving human resources.

Description

V. Description of the invention ¢ 1) Background of the invention: The present invention relates to a jig for testing the battery capacity in a notebook computer and a test method thereof. It refers to a method in which a rechargeable battery is placed in a battery connection slot ii. The micro control chip will switch the charge / discharge switching circuit to the charging state according to the number i | which is set by the capacity selection switch, charge the rechargeable battery, and regularly monitor the charging status of the rechargeable battery until the charging battery. | The capacity of the pool reaches the set data.丨 Previous skills: |; Press, before the general notebook computer is shipped, the manufacturer will have a charge memory (that is, the first charge of the rechargeable battery will be equal to the rechargeable battery in order to avoid the rechargeable battery of the notebook i 1 computer). The maximum charging capacity afterwards), will be; first charge the rechargeable battery to the fullest capacity, alas, then connect the rechargeable battery! Connected to a discharge load, so that it can discharge the full capacity by the discharge load | In this way, the user can avoid the low charging capacity caused by the charging memory. In addition, in order to enable the user to use the notebook computer for the first time, the notebook computer can have power, which is usually charged. The capacity of the battery is charged to a certain capacity (about 60%-70%), so that after the user buys the notebook computer, he can use the power of the rechargeable battery to use the notebook computer. However, in general, the method of charging and discharging the rechargeable battery by the manufacturer is performed manually, that is, when the rechargeable battery is being charged, the operator places the rechargeable battery in the charger, and measures it with an electric meter. The capacity of the rechargeable battery to monitor the charging status of the rechargeable battery until the charge reaches a certain capacity |

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V. Description of the invention (2) I: Amount; and when discharging the rechargeable battery, the operator connects the rechargeable battery to a discharge load, so that the rechargeable battery is discharged by the discharge load, and the rechargeable battery is measured by an electric meter. Capacity to monitor the discharge status of the rechargeable battery. In this way, when charging and discharging the rechargeable battery, it is unavoidable to rely on manual operations, which is likely to cause waste of human resources, increase production costs, and cannot prevent human error. Insufficient or excessive charging of the rechargeable battery will cause the failure of the rechargeable battery. At the same time, production efficiency will not be effectively improved without relying on manual operation. I: • Outline of Invention:! In view of this, in order to improve the shortcomings of conventional usage, the inventors have worked hard for a long time; research and experimentation have finally developed a fixture and a test method for testing the battery capacity in a notebook computer according to the present invention. An object of the present invention is to provide a fixture for testing battery capacity in a notebook computer and a test method thereof. The fixture is provided with a micro-control chip, a charge-discharge switching circuit, a capacity selection switch, and several battery connections.丨 slot, a discharge load, when a rechargeable battery is placed in the battery connection slot, the micro-control chip first calibrates the rechargeable battery to eliminate the charging memory of the rechargeable battery, and then, according to the capacity, the switch is selected. Set the data, switch the charging and discharging switching circuit to the charging state, charge the rechargeable battery, and monitor the charging status of the rechargeable battery regularly until the capacity of the rechargeable battery reaches the set data, so there is no need to rely on labor Operation | Operation can save a lot of human resources, and the charging power can accurately reach the set data.

Page 5 45265 2 I. Explanation of the invention (3) In order that the review committee can further understand and understand the purpose, shape, structural device features and effects of the present invention, the embodiments are given below. | The detailed description is as follows: Illustration: The first diagram is a schematic circuit block diagram of the present invention. : The second figure is a schematic block diagram of some circuits of the present invention. The third diagram is a flowchart of the present invention. Main component numbers: Fixture 1 Microcontroller chip 11 Power circuit 13 Charge-discharge switching circuit 15 Battery connection slot 17 Discharge load 18 丨 Detailed description: The present invention is a "fixture for testing battery capacity in a notebook computer and its test Method ", please refer to the first figure, a jig 1 is provided, the jig 1 is provided with a micro-control chip 1 1, a power circuit 1 3, a charging / discharging switching circuit 15, and a capacity selection switch 16 Several battery connection slots 17, a discharge load 18, wherein the power circuit 13 is connected to a power input 19

Page 6 5 2 U 2 V. Description of the invention (4) Connect, the power input 19 can be connected to an external power supply, and transfer the power to the power supply circuit i 3, so that the power supply circuit 13 will be appropriate power supply, respectively Send to the micro-controller: 丨 make the chip 11 and the charge-discharge switching circuit 15 for charging. ! I The power supply circuit 1 3 and a first display 1 2 (in this embodiment, it is |

| Photodiode, but the actual implementation of this creation is not limited to this) Connect: Connect, when the power is transmitted to the power circuit 1 3, the first display 12 will emit: light to display the fixture 1 has a power input, these battery connection slots 1 7 minutes and a second display 14 (in this embodiment, a light-emitting diode, but the actual creation of this 1 is not limited to this) and a first Three displays 1 1 0 I! (In this embodiment, a light-emitting diode, but the actual implementation of this creation, 丨 is not limited to this) connected, when the battery connection slot 17 is charging, the ,; The micro-control chip 11 will control the second displays 14 to emit light to show that it is being charged. When the charged rechargeable battery reaches the set power capacity, the micro-control chip 11 will control the third The display 110 emits light to show that the output reaches a set power capacity. In addition, in the embodiment of the present invention, the capacity selection switch 16 is provided with four groups of switches (not shown in the figure). For open or closed circuit, the charging power capacity can be set. The micro control chip 11 and the power supply circuit 1 3, the charge and discharge switching circuit 15, the capacity selection switch 16, the battery connection slots 17 and the discharge load are connected; 8 phases are connected to control the power supply circuit 1 3, The charge-discharge switching circuit 15, the capacity selection switch 16, the battery connection slots 17 and the discharge load 18 operate. . 丨 | When a rechargeable battery (not shown) is placed in the battery connection slot 17 |, the micro controller chip 1 1 first calibrates the rechargeable battery to make the rechargeable battery

Page 7; V. Description of the invention (5)! The battery eliminates the charging memory, and then, based on the data set by the capacity selection switch 16, switches the charge-discharge switching circuit 15 to the charging state and charges the rechargeable battery. And regularly monitor the charging status of the rechargeable battery until the capacity of the rechargeable battery reaches the set data. Please refer to the second figure. The charge-discharge switching circuit 15 is provided with a relay 151. The relay 151 is connected to the power circuit 13 through a diode 153. The relay 1 5 1 and the battery connection slot 1 7 The micro control chip 11 and the discharge load 18 are connected. The micro control chip 11 can control the relay 151 to switch to the state where the power supply circuit 13 and the battery connection slot 17 are connected, so that the power supply circuit 13 Supply power to the battery connection slot 17 to charge the rechargeable battery in the j battery connection slot 17 or to control the relay 1 5 1 switch | Switch to the battery connection slot 17 and connect to the discharge load 18 to make the rechargeable battery : Discharge through the discharge load 18 'Furthermore, in the embodiment of the present invention, the discharge load 18 is a large power load' which can consume large power 'and the battery connection slot 17 is in phase with a battery identification circuit 111 Connected through the battery identification circuit 1 1 1 邛 to identify the identification code of the rechargeable battery on the battery connection slot 17 to identify the type of the rechargeable battery. I Please refer to the third figure. When the power input 19 is connected to a power source, and I transfer the power to the power circuit 13, the process is as follows: (1 〇1) First, the micro The control chip 11 judges whether or not there are rechargeable batteries in the battery connection slots 17. If it is, continue with the following steps; otherwise, go to step (101); (102) the micro control chip 11 reads the capacity of the rechargeable battery, And sentence

5. Description of the invention on page 8 (6) Do not charge the rechargeable battery fully. If so, continue with the following steps; otherwise, the micro-control chip 11 switches the charge-discharge switching circuit 15 to the charging state, so that the The rechargeable battery is charged, and at the same time, the second display 1 4 shows that the state of charging is being performed, and the step (1 0 2) is performed; jj

(1 0 3) The micro control chip 11 switches the charge-discharge switching circuit 15 to i in a discharged state, so that the rechargeable battery has discharged all the power to eliminate the charge memory of the rechargeable battery; I (1 0 4) The micro-control chip 11 reads the capacity selection switch 16 and is set to: | set the capacitance data; (10 5) the micro-control chip 11 switches the charge-discharge switching circuit 15 to a charging state II, so that the charging The battery is charged, and the second display 14 displays i to indicate the state of charging; 丨

(10 6) The micro control chip 1 1 determines whether the capacity of the rechargeable battery is I

I is the same as the set capacity data. If yes, continue with the following steps; No I: Then, go to step (105); | (107) The micro control chip II will control the third display 110 to display the state of charging completion, And immediately stop charging, and proceed to step (101

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Claims (1)

Scope of patent application 1. A fixture for testing the battery capacity in a notebook computer, the fixture is provided with a micro-control chip, a power circuit, a charge-discharge switching circuit, a capacity selection switch, and several batteries The connection slot and a discharge load, among which II: 'a power circuit, the power circuit is connected to a power input, the power 1 source input can be connected to external power, and the power is transmitted to the power circuit; I a micro-control chip The micro control chip is connected to the power supply circuit, i: The power supply circuit can transmit power to the micro control chip, and the micro control i chip is connected to the charge and discharge switching circuit and the battery connection slots. , So that the 1 I 微 控 晶 # can control the charge-discharge switching circuit to switch to a charging state, or a discharging state according to the electric capacity of the rechargeable battery in the battery connection slot; I charge or discharge the rechargeable battery;! A capacity selection switch, the capacity selection on relationship is connected with the micro control chip; when the capacity selection switch is set with a charge capacity data, the micro i 'control chip will read the Data, and control the rechargeable battery to charge or discharge according to the data until the capacity of the rechargeable battery is equal to the data; 1 a discharge load, the discharge load is connected to the charge-discharge switching circuit, when i the charge and discharge When the switching circuit is switched to the discharged state, the rechargeable battery will be connected to the discharge load and discharged; j I borrows the components described above, and when the rechargeable battery is placed in the battery I connection slot, the micro-control The chip first calibrates the rechargeable battery to make the rechargeable battery erase the charging memory. Then, according to the data of the capacity selection switch being set to i, the charge-discharge switching circuit is switched to the charging state, and the charging battery is charged. And monitor the charging status of the rechargeable battery regularly until the charging Page 10 452652 6. Scope of patent application | The capacity of the battery reaches the set data. 2. The fixture for testing the battery capacity in a notebook computer as described in item 1 of the scope of patent application, wherein the power circuit is connected to a first display, and when the power is transmitted to the power circuit, the display It will be shown that the rule has a power input. 3. The fixture for testing the battery capacity in a notebook computer as described in item 2 of the scope of patent application, wherein the first display may be a light emitting diode | body.丨 j 4. As described in item 1 of the scope of patent application for testing notebook-type electricity | 丨 Brain capacity of the brain, which allows these battery connection slots to be connected to a second I display and a third display, respectively When the battery connection slot is charging, the micro-control chip will control the second display to show that it is charging I. When the charged rechargeable battery reaches the set power capacity, the micro-control chip | The third displays will be controlled to display the set power capacity.丨 I:! 5. The fixture for testing the capacity of the notebook battery I | brain as described in item 4 of the scope of patent application, wherein the second display may be a light-emitting diode. I 6. As described in item 4 of the scope of patent application for testing notebook-type electricity 丨. I battery fixture in the brain, wherein the third display may be a light-emitting diode. 7. As described in item 1 of the scope of the patent application, a jig for testing the battery capacity in a notebook computer, in which the capacity selection switch is provided with four groups of on / off switches, and the switches are closed or open by respectively switching them. You can set the charging 丨: I 丨 6. Scope of Patent Application Power capacity. 8. The fixture for testing the battery capacity in a notebook computer as described in item 1 of the scope of the patent application, wherein the charge-discharge switching circuit is provided with a relay, and the relay is connected to the power circuit through a diode, the relay And connected to the battery connection slot, the micro control chip and the discharge load, the micro control chip can control the relay to switch to a state where the power circuit is connected to the battery connection slot, so that the power circuit supplies power to the The battery is connected to the I slot to charge the rechargeable battery in the battery connection slot, or the relay can be controlled to switch to the battery connection slot to be connected to the discharge load, so that the rechargeable battery is discharged through the discharge load. i 9. The fixture for testing the battery capacity in a notebook computer as described in item 1 or 8 of the scope of patent application, wherein the discharge load is a large power load, which can consume high power. : 10. The fixture for testing the battery capacity in a notebook computer as described in item 1 of the scope of patent application, wherein the battery connection slot is connected to a battery identification circuit, and the battery connection can be identified through the battery identification circuit. The identification code of the rechargeable i battery on the slot to identify the type of the rechargeable battery. 1 11. A test method I for testing the battery capacity in a notebook computer includes: When a rechargeable battery is placed in the battery connection slot, the micro-control chip first calibrates the rechargeable battery to Make the rechargeable battery erase the charging memory, and then, based on the data set by the capacity selection switch, switch the charging and discharging switching circuit to the charging state, charge the rechargeable battery, and monitor the charging status of the rechargeable battery regularly until the The capacity of the rechargeable battery reaches the set i Page 12 6. Scope of patent application data. 12. The test method for testing the battery capacity in a notebook computer as described in item 11 of the scope of the patent application, wherein the micro-control chip will read that when a rechargeable battery is inserted into the battery connection slot, the micro-control chip will read Take the capacity of the rechargeable battery and determine whether the rechargeable battery is fully charged. If the rechargeable battery is not fully charged, switch the charge-discharge switching circuit to the charging state to charge the rechargeable battery. 13. The test method for testing the battery capacity in a notebook computer as described in item 12 of the scope of the patent application, wherein when the micro-control chip determines that the rechargeable battery is fully charged, the micro-control chip will switch the battery. The discharge switching circuit is in a discharging state, so that the rechargeable battery has discharged all the electric power, thereby eliminating the charging memory of the rechargeable battery. 14. As described in item 11 of the scope of the patent application, a test method for testing the battery capacity in a notebook: a computer, wherein the micro-control chip reads the capacity data set by the capacity selection switch and judges the charge Whether the capacity of the battery is the same as the set capacity data. If it is determined that the capacity of the rechargeable battery is different from the set data, then the charge-discharge switching circuit is switched; the charging state is changed to charge the rechargeable battery. Until the capacity of the rechargeable battery is the same as the set capacity data. Page 13