POWER MODULE FOR GENERATING IMPULSES OF VARIOUS LEVELS
First Claim
1. A power module comprising:
- a DC voltage source;
a switching element electrically coupled to the DC voltage source;
a plurality of capacitors electrically coupled to the switching element, the capacitors arranged in parallel connection for charging, the capacitors switched into series connection via the switching element for discharging;
a switch electrically coupled to the switching element for switching the switching element; and
a step-up IC electrically coupled to the DC voltage source and connected in parallel with the capacitors in the mode where the capacitors are switched into series connection via the switching element for discharging.
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Accused Products
Abstract
Using the combination of batteries and supercapacitors to provide impulse, various all-in-one power tools driven by the impulse are devised. The impulse may be utilized in three ways, namely, to launch an object, to create an impact force, and to form a peak current that can be greater than 100A. While the supercapacitors greatly enhance the power output of the power module, the supercapacitors are disposed in-parallel for charging and switched to series connection for discharging on depressing the triggers of the tools. Therefore, the batteries required to drive the portable power tools can be minimized & reduced, and the circuitry for conducting the parallel-to-series switch is simple and economical. Using interchangeable attachments or accessories, and power module of the invention, one tool body can be applied to many types of work and maintenance at homes and in the fields.
35 Citations
18 Claims
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1. A power module comprising:
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a DC voltage source;
a switching element electrically coupled to the DC voltage source;
a plurality of capacitors electrically coupled to the switching element, the capacitors arranged in parallel connection for charging, the capacitors switched into series connection via the switching element for discharging;
a switch electrically coupled to the switching element for switching the switching element; and
a step-up IC electrically coupled to the DC voltage source and connected in parallel with the capacitors in the mode where the capacitors are switched into series connection via the switching element for discharging. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A power module comprising:
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a DC voltage source;
a switching element electrically coupled to the DC voltage source;
a plurality of capacitors electrically coupled to the switching element, via which the capacitors are switched into parallel connection for charging or into series connection for discharging; and
a switch electrically coupled to the switching element for switching the switching element. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A power module comprising:
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a DC voltage source;
a first switching element electrically coupled to the DC voltage source;
a second switching element electrically coupled to the DC voltage source;
a plurality of capacitors electrically coupled to the first switching element, the capacitors arranged in parallel connection for charging, the capacitors switched into series connection via the first switching element for discharging;
a first switch electrically coupled between the first switching element and the second switching element;
a second switch electrically coupled between the first switching element and the second switching element; and
a step-up IC electrically coupled to the second switching element, wherein the power module is switched into a first mode or a second mode by switching the second switching element, in the first mode where the step-up IC is electrically coupled to the DC voltage source and connected in parallel with the capacitors in the mode where the capacitors are switched into series connection via the first switching element for discharging and the first switch is electrically coupled to the DC voltage via the second switching element for switching the first switching element while the second switch is electrically disconnected from the DC voltage source, in the second mode where the step-up IC is electrically disconnected from the DC voltage source and the second switch is electrically coupled to the DC voltage via the second switching element for switching the first switching element while the first switch is electrically disconnected from the DC voltage source. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification