TH37293A - Infrared temperature sensor of food preparation equipment - Google Patents

Abstract

DC60 (10/02/41) food preparation equipment Will have a part that is An infrared receiver (1) that is placed to detect infrared radiation from food along the diagonal from above. The infrared receiver (1) has a printed circuit board (PCB) (36), an optical receiver (3), an interrupter (10) and a chopper (8). The horizontal blades (39) and the vertical blades (40) the chopper are placed between the photoreceptors (13) of the infrared receiver (1) and food (31), provided that the vertical blades (40) passes between the light-emitting device (29) and the light-receiving device (30) of the interrupter (10), and the horizontal blade part (39) passes between the light-receiving part (3) of the infrared receiver. (1) and food (31) when the chopper (8) rotates, so an improved microwave oven is obtained. Which takes up less space Which can be produced too Lower cost Food preparation equipment Will have a part that is An infrared receiver (1) that is placed to detect infrared radiation from food along the diagonal from above. The infrared receiver (1) has a printed circuit board (PCB) (36), an optical receiver (3), an interrupter (10) and a chopper (8). The horizontal blades (39) and the vertical blades (40) the chopper are placed between the photoreceptors (13) of the infrared receiver (1) and food (31), provided that the vertical blades (40) passes between the light-emitting device (29) and the light-receiving device (30) of the interrupter (10), and the horizontal blade part (39) passes between the light-receiving part (3) of the infrared receiver. (1) and food (31) when the chopper (8) rotates, so an improved microwave oven is obtained. Which takes up less space Which can be produced too Lower cost

Claims (9)

1.Equipment for preparing food that consists of An infrared receiver (1) that is placed to detect infrared radiation from food (31) along the oblique line. This infrared receiver (1) contains the following components: (1) Printed Circuit Board (PCB) (36) (2) Optical receiving element (3) provided on such printed circuit board (PCB) (36) for absorbing infrared radiation from food. (31) and converts the absorbed infrared radiation into electrical energy (3) the optical interrupter (10) provided on the printed circuit board (PCB) (36), which has a It is a light emitting device (29) and a photoreceptor (30) spaced from each other (4) a chopper (8) arranged between the aforementioned (3) exposure parts of the infrared receiver ( 1) such and food (31) thereof for causing a difference between radiation Infrared from the food (31) and infrared radiation from the reference substance (a) such a chopper (8) with (i) a horizontal propeller section (39) with a number of propellers extending along the Radius from the center of its axis And which part of the impeller And parts without propellers Which is held in a plane parallel to The surface of the printed circuit board (PCB) (36) is alternately, and (ii) the vertical rotor (40), which has a number of blades directed vertically towards the surface. Of the printed circuit board (PCB) (36) from the center of the said horizontal impeller (39) and which contains the propeller And the parts without propellers are arranged alternately. Which a number of such propellers were provided There is a center around such a concentric axis (b), such a chopper (8) that rotates around the center of its axis (c), such a chopper (8) is arranged between the aperture (3). As mentioned of the receiver Such an infrared signal (1) and such food (31), provided that such vertical propellers (40) pass between the said emitter (29) and the said photoreceptor (30) of the body. Interrupts such light (10) and the said horizontal blade part (39) passes between the aforementioned optical receptors (3) of the said infrared receiver (1) and the food (31). 2. The food preparation equipment described in claim 1 still consists of a tube-shaped opening (38) provided to cover the aforementioned optical receptacle (3) on the printed circuit board (PCB) (36). Such and which has an opening (43) at the top end of it. Through which infrared rays will pass 3. Food preparation equipment, as stated in claim 1, still consists of a shield box (44) with a surface underneath. And the surface of the side wall For supporting the aforementioned PCB (36) and the chopper (8), the side wall surface has a number of ventilation holes (45) to let the cooled air through. Such ventilation (45) shall be provided in the selected position so that the cooled air does not enter directly into the opening (43) of the opening (38). 4. Food preparation equipment as described in claim 3, where the said printed circuit board (PCB) (36) is fixed to the aforementioned underside surface of the shelter box (44) and the ventilation holes. (45) shall be placed lower than the height of The top end is from the printed circuit board (PCB) surface (36). 5. Food Preparation Equipment As stated in claim 1, it still contains the control IC (46) provided on the said printed circuit board (PCB) (36) and which has a top face and a motor (9) to rotate the chopper. (8) that the chopper (8) will be pressed And fixed to the motor shaft (9), such a chopper (8) has a raised portion (47) arranged in the center of it. The height of the raised portion (47) is selected so that the raised portion (47) is supported. And against the aforementioned upper face of the aforementioned control IC (46) and such a chopper (8) shall not be completely disengaged from the motor shaft (9). 6. The food preparation equipment described in claim 1, which still consists of a motor (9) for turning the chopper (8), a shelter box (44) for supporting the said printed circuit board (PCB) (36), and Such choppers (8) and resin panels (48) are provided between the aforementioned motor (9) and the aforementioned enclosure (44) to protect the motor heat generated by the motor (9). As a result of entry into the aforementioned enclosure (44), the resin panel (48) and the aforementioned motor (9) are separated from each other to determine the air stage (49) between them. 7. The food preparation equipment described in claim 1, which no electronic component is provided at such a location on the printed circuit board (PCB) (36), the vertical propeller part (40) of The chopper (8) through 8. The food preparation equipment specified in claim 1, which also consists of a mechanism (51) provided on such a printed circuit board (PCB) (36) for fixing the input terminals (50) as group 9. The food preparation equipment specified in claim 1, which still consists of a motor (9) for turning the chopper (8), stage (61) for mounting the motor, a shelter box (44) for support. The aforementioned printed circuit board (PCB) (36) and the aforementioned chopper (8), the first wing (62), were arranged on the upper end of the aforementioned enclosure (44) and spanned outward in The horizontal direction and the second wing (63) that are arranged in the circumference of the said state (61) and that extend towards the surface. Including the plane of the said printed circuit board (PCB) (36), the length (A) of the second wing (53) is measured longer than the length (a) of the vertical blade section. (40a) of the aforementioned chopper (8), which is inserted Into the aforementioned optical interrupters (10) and the length (B) of the horizontal directional gap between the aforementioned first wing (62) and the said second wing (63) will be wiped shorter than the distance between The vertical propeller and the aforementioned (29) light-emitting device or such (30) optical receiver 1 0. Food preparation equipment as stated in claim 1, which still consists of a shield box (44) with a surface underneath. And the surface of the side walls for the aforementioned PCB (36) and the aforementioned chopper (8) and wing (62) arranged on the top end of the shield box (44) as follows: Said and which extends outward in a horizontal direction at a distance (A) in a vertical direction from the aforementioned horizontal surface of the propeller section (39) to the upper front surface of the wing (62) as It is wiped longer than the length (a) of the said vertical impeller section (40) of the chopper (8), which is then inserted into the interrupter (10) and the length ( B) of the gap in the horizontal direction Between the aforementioned horizontal blades (39) and the surface of the inner side wall of the shield box (44) is Wipe shorter than the distance (b) between such vertical blades. And such (29) light-emitting devices or such (30) receivers