Detecting system and detection circuit for detecting health status of backup power supply module
First Claim
1. A detection circuit for detecting health status of backup power supply module, which is applied in an electronic device, the detection circuit comprising:
- a first switch;
a second switch;
a boost converter for receiving an input voltage and generating a first high voltage;
a controller connected to the first switch, the second switch, and the boost converter, respectively, when the detection circuit is operated in a normal operating state, the controller will send a first control signal to the first switch, the second switch, and the boost converter, so that the boost converter is allowed to output the first high voltage, the first switch is turned on, and the second switch is turned off;
otherwise, when the detection circuit is operated in a detection state, the controller will send a second control signal to the first switch, the second switch, and the boost converter, so that the boost converter is inhibited to output the first high voltage, the first switch is turned off, and the second switch is turned on, wherein a discharged time threshold value is defined in the controller; and
at least one backup power supply module, wherein the backup power supply module, the controller, the first switch, the second switch, and the boost converter are connected to a first node together, a node voltage is generated on the first node;
wherein when the detection circuit is operated in the normal operating state, the backup power supply module can execute a charging process by the first high voltage outputted from the boost converter;
when the detection circuit is operated in the detection state, the backup power supply module can execute a discharging process so as to provide a discharged energy to a load device via the second switch, the controller can detect a time at which the node voltage is dropped from a first voltage to a second voltage so as to obtain a discharged time detection value;
thus, the controller can know a health status of the backup power supply module according to a comparison between the discharged time detection value and the discharged time threshold value.
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Accused Products
Abstract
The invention provides a detection system and detection circuit for detecting health status of backup power supply module. The detection circuit comprises a boost converter, a controller, and at least one backup power supply module. The boost converter receives an input voltage to generate a first high voltage. When the detection circuit is operated in a detection state, the boost converter is inhibited to output the first high voltage, the backup power supply module can execute a discharging process to provide a discharged energy to a load device, the controller detects a time at which a discharged potential of the backup power supply module is dropped from a first voltage to a second voltage to obtain a discharged time detection value. The controller can know a health status of the backup power supply module by a comparison between the discharged time detection value and a discharged time threshold value.
4 Citations
20 Claims
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1. A detection circuit for detecting health status of backup power supply module, which is applied in an electronic device, the detection circuit comprising:
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a first switch; a second switch; a boost converter for receiving an input voltage and generating a first high voltage; a controller connected to the first switch, the second switch, and the boost converter, respectively, when the detection circuit is operated in a normal operating state, the controller will send a first control signal to the first switch, the second switch, and the boost converter, so that the boost converter is allowed to output the first high voltage, the first switch is turned on, and the second switch is turned off;
otherwise, when the detection circuit is operated in a detection state, the controller will send a second control signal to the first switch, the second switch, and the boost converter, so that the boost converter is inhibited to output the first high voltage, the first switch is turned off, and the second switch is turned on, wherein a discharged time threshold value is defined in the controller; andat least one backup power supply module, wherein the backup power supply module, the controller, the first switch, the second switch, and the boost converter are connected to a first node together, a node voltage is generated on the first node; wherein when the detection circuit is operated in the normal operating state, the backup power supply module can execute a charging process by the first high voltage outputted from the boost converter;
when the detection circuit is operated in the detection state, the backup power supply module can execute a discharging process so as to provide a discharged energy to a load device via the second switch, the controller can detect a time at which the node voltage is dropped from a first voltage to a second voltage so as to obtain a discharged time detection value;
thus, the controller can know a health status of the backup power supply module according to a comparison between the discharged time detection value and the discharged time threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A detection system for detecting health status of backup power supply module, comprising:
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a computer host, comprising; a processor; a data transmission interface connected to the processor, wherein the computer host communicates with an electronic device via the data transmission interface; and a data storage unit, connected to the processor, and comprising an application program, wherein the application program defines a discharged time threshold value; and a detection circuit, configured in the electronic device, comprising; a first switch; a second switch; a boost converter for receiving an input voltage provided by the computer host, and generating a first high voltage; a controller connected to the first switch, the second switch, and the boost converter, respectively; and at least one backup power supply module, wherein the backup power supply module, the controller, the first switch, the second switch, and the boost converter are connected to a first node together, a node voltage is generated on the first node, when the detection circuit is operated in a normal operating state, the controller of the detection circuit will send a first control signal to the first switch, the second switch, and the boost converter, so that the boost converter is allowed to output the first high voltage, the first switch is turned on, and the second switch is turned off;
otherwise, when the computer host desires to execute a health status detection process for the backup power supply module, the computer host sends a detection command to the detection circuit, the detection circuit is operated in a detection state according to the detection command, the controller of the detection circuit will send a second control signal to the first switch, the second switch, and the boost converter, so that the boost converter is inhibited to output the first high voltage, the first switch is turned off, and the second switch is turned on; andwherein when the detection circuit is operated in the normal operating state, the backup power supply module can execute a charging process by the first high voltage outputted from the boost converter;
when the detection circuit is operated in the detection state, the backup power supply module can execute a discharging process so as to provide a discharged energy to a load device via the second switch, the controller can detect a time at which the node voltage is dropped from a first voltage to a second voltage so as to obtain a discharged time detection value, the discharged time detection value will be transmitted to the computer host via the data transmission interface;
thus, the processor of the computer host can know a health status of the backup power supply module according to a comparison between the discharged time detection value and the discharged time threshold value, and show the health status of the backup power supply module on a display unit of the computer host. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification