PROTECTION CIRCUIT FOR MACHINE TOOL CONTROL CENTER
First Claim
1. A protection circuit coupled to a switch circuit of a machine tool, the protection circuit comprising:
- a fatigue protection unit comprising;
an alarm module;
a first sensor detected blink of an operator and output a pulse signal in response to a blink;
a first processor coupled to the first sensor for receiving and processing the pulse signals; and
a first controller coupled to the first processor for received the processed pulse signals, and controlled working modes of the alarm module, and controlled the machine tool working or not through the switch circuit, according to the processed pulse signals; and
a misoperation protection unit comprising;
a second sensor sensed a distance between a person and the machine tool, and output a sense signal in response that the distance sensed is less than a preset distance;
a second processor coupled to the second sensor for receiving and processing the sense signal; and
a second controller coupled to the second processor for receiving the processed sense signal, and controlled the machine tool to stop through the switch circuit.
1 Assignment
0 Petitions
Accused Products
Abstract
A protection circuit is coupled to a switch circuit of a machine tool for protection. The protection circuit comprises a fatigue protection unit and a misoperation protection unit. The fatigue protection unit comprises a first sensor, a first processor, a first controller, and an alarm module. The misoperation protection unit comprises a second sensor, a second processor, and a second controller. The protection circuit senses the degree of fatigue and the misoperation of people through the fatigue protection unit and the misoperation protection unit, then controls the machine tool to work or not to work to avoid accidents.
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Citations
18 Claims
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1. A protection circuit coupled to a switch circuit of a machine tool, the protection circuit comprising:
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a fatigue protection unit comprising; an alarm module; a first sensor detected blink of an operator and output a pulse signal in response to a blink; a first processor coupled to the first sensor for receiving and processing the pulse signals; and a first controller coupled to the first processor for received the processed pulse signals, and controlled working modes of the alarm module, and controlled the machine tool working or not through the switch circuit, according to the processed pulse signals; and a misoperation protection unit comprising; a second sensor sensed a distance between a person and the machine tool, and output a sense signal in response that the distance sensed is less than a preset distance; a second processor coupled to the second sensor for receiving and processing the sense signal; and a second controller coupled to the second processor for receiving the processed sense signal, and controlled the machine tool to stop through the switch circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A protection circuit configured to be coupled to a switch circuit of a machine tool, the protection circuit comprising:
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a fatigue protection device comprising; a first sensor configured to detect a blink rate of an operator and output a pulse signal in response to the detected blink rate; a first processor coupled to the first sensor and configured to receive and process the pulse signal; and a first controller coupled to the first processor and configured to; receive the processed pulse signal, control a working mode of an alarm device, and control the machine tool to be operational or non-operation; and a misoperation protection device coupled to the fatigue protection device, the misoperation protection device comprising; a second sensor configured to sense a distance between the operator and the machine tool and output a sense signal in response that the distance sensed is less than a predetermined distance; a second processor coupled to the second sensor and configured to receive and process the sensed signal; a second controller coupled to the second processor and configured to; receive the processor sense signal, and control the machine tool to cease operation through the switch circuit. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification