CN102141260A - Internal recycle radiating type nonradiative microwave oven - Google Patents
Internal recycle radiating type nonradiative microwave oven Download PDFInfo
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- CN102141260A CN102141260A CN201110099543XA CN201110099543A CN102141260A CN 102141260 A CN102141260 A CN 102141260A CN 201110099543X A CN201110099543X A CN 201110099543XA CN 201110099543 A CN201110099543 A CN 201110099543A CN 102141260 A CN102141260 A CN 102141260A
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Abstract
The invention relates to an internal recycle radiating type nonradiative microwave furnace which comprises a furnace body and a furnace door, wherein the furnace body and the furnace door are connected together to form an enclosed cooking chamber; the furnace body and the furnace door are all metal shields; the furnace body and the furnace door are provided with a camera hole which is communicated with the cooking chamber; the camera hole is provided with a camera internally; the outer wall of the furnace body or the outer wall of the furnace door is provided with a display;a camera system control circuit is installed in the furnace body or in the furnace door; the camera and the display are connected with the camera system control circuit; an enclosed radiating cavity which is communicated with the camera hole is arranged behind the camera hole positioned in the furnace body or in the furnace door; the radiating cavity is provided with a fan; the fan is positioned behind the camera; the front side of the fan orients the rear part of the camera; and the fan is also connected with the camera system control circuit. The invention provides the internal recycle radiating type nonradiative microwave furnace which has radiation protection capability, good reliability and is convenient to maintain.
Description
(1), technical field: the present invention relates to a kind of micro-wave oven, particularly a kind of interior circulation heat dissipation type non-radiation microwave oven.
(2), background technology: micro-wave oven is the mess kit that people use always, it adopts magnetron to produce microwave, microwave is gone in the cooking cavity of micro-wave oven by the radiant tube radiation, take food in the cooking chamber with this, because the heating principle of micro-wave oven is: adopt microwave penetration food, make the molecule strenuous exercise of food inside, thereby producing heat progressively is heated food from inside to outside, therefore, micro-wave oven has the advantage that firing rate is fast, heating is thorough, and is very popular.But; micro-wave oven also has shortcoming; because it in use has microwave leakage; can produce harm to human body; particularly the microwave that leaks from the clear glass watch window of micro-wave oven is more; though; the clear glass watch window of micro-wave oven has adopted shielding measure; be provided with wire netting in glass sandwich, the size of the mesh of wire netting is calculated through accurate, can stop penetrating of microwave; but because in use spatter greasy dirt or use wire netting to deform for a long time through regular meeting at glass window mouth place; the capital changes the size of the mesh of wire netting, thereby reduced wire netting to the stopping of microwave, so that causes certain microwave leakage.Often observe food from watch window, not only health can be subjected to radiation, and the injury that eyes are caused is bigger, because eyes are relatively more responsive to microwave, often observes food from watch window, might make the people suffer from diseases such as cataract.
The patent No. is that 200810231466.7 patent documentation discloses a kind of non-radiation microwave oven, there is not the glass window mouth on its fire door, fire door and body of heater are the metallic shield body, situation in the micro-wave oven shoots with video-corder by camera on the fire door inwall, the display that sends on the fire door outer wall by holding wire shows then, in order to prevent camera and to be used for the infrared emission tube group heating of infrared photography, also be provided with heat dissipation channel in the fire door of this non-radiation microwave oven, the air outlet place of heat dissipation channel is equipped with blower fan, blower fan can constantly suck the cold air in the external world in a steady stream and make camera and the cooling of infrared emission tube group in the heat dissipation channel, prevents that camera and infrared emission tube group are overheated.This non-radiation microwave oven has not only effectively prevented the leakage of microwave, and good reliability, but it also has weak point: because its heat radiation employing is the heat dissipation channel that is in communication with the outside, just oil smoke, dust and the water vapour in the external world can be sucked in the heat dissipation channel inevitably, the long-time use, oil smoke, dust and water vapour can be piled up camera and infrared emission tube group place, influence the operate as normal of camera and infrared emission tube group.
(3), summary of the invention:
The technical problem to be solved in the present invention is: at the prior art deficiency, provide that a kind of radiation protection ability is strong, good reliability, interior circulation heat dissipation type non-radiation microwave oven easy to maintenance.
Technical scheme of the present invention:
Circulation heat dissipation type non-radiation microwave oven in a kind of, contain body of heater and fire door, body of heater and fire door link together and constitute an airtight cooking cavity, cooking cavity is used for placing the food that needs heating, the cooking cavity inwall is equipped with illuminating lamp, body of heater is the metallic shield body, fire door also is the metallic shield body, on body of heater or fire door, have the shooting hole that is communicated with cooking cavity, shooting is equipped with camera in the hole, at furnace body outer wall or fire door outer wall display is installed, place, shooting hole at inboard wall of furnace body or fire door inwall is equipped with transparent insulating glass, and the camera system control circuit is installed in body of heater or in the fire door, and camera is connected with the camera system control circuit with display, in body of heater or in the fire door and be positioned at the shooting hole the back be provided with the airtight heat-dissipating cavity that is communicated with the hole of making a video recording, blower fan is installed in the heat-dissipating cavity.
Blower fan is positioned at the rear of camera, and the front of blower fan is towards the rear portion of camera, and blower fan also is connected with the camera system control circuit.
Perhaps, blower fan be positioned at camera left right-hand or above or below, blower fan also is connected with the camera system control circuit.
Diaphragm vertically is installed in heat-dissipating cavity, diaphragm be positioned at blower fan around, between the medial surface of diaphragm and blower fan and heat-dissipating cavity certain clearance is arranged.
Diaphragm is the plate that a centre is provided with through hole, and blower fan is arranged in the through hole.
Around the fire door with body of heater between convex-concave structure by a certain number of mutual coupling be connected, can prevent from like this to reveal the slit of microwave between fire door and body of heater, the water proof and dust proof diathermic mirror also is installed between transparent insulating glass and the camera.
Shooting also is equipped with the infrared emission tube group of being made up of a certain number of infrared emission tube in the hole, and camera is the infrared pick-up head; The infrared emission tube group is installed on the fixed head of shooting in the hole, and camera is nested in the middle part of fixed head, the infrared emission tube group be arranged on camera around, photo resistance also is installed on the fixed head; The infrared emission tube group is connected with the camera system control circuit with photo resistance.
Perhaps, camera is the integral type infrared pick-up head that contains infrared emission tube group and photo resistance, and the infrared emission tube group is made up of a certain number of infrared emission tube, and the infrared emission tube group is connected with the camera system control circuit with photo resistance.
In the shooting hole, and the rear portion that is positioned at camera is equipped with semiconductor cooler, and semiconductor cooler is provided with fin, and thermistor is installed on the camera; Semiconductor cooler is connected with the camera system control circuit with thermistor.
On furnace body outer wall or fire door outer wall display button is installed, fire door is provided with the sense switch that opens the door; The camera system control circuit contains power transfer module, operation detects control module, and the output of power transfer module detects control module with operation and is connected, and the output that operation detects control module is connected with camera, display and blower fan; Operation detects control module and contains photoelectrical coupler, 555 integrated timer ID2, relay J 11, the first bistable state singly-bound circuits for triggering and relay J 41, the transmitting terminal of photoelectrical coupler is connected with the running of microwave oven control circuit, be attempted by between power supply and the ground after the receiving terminal of photoelectrical coupler and the variable resistor RW11 series connection, wherein the tie point of the receiving terminal of photoelectrical coupler and variable resistor RW11 is connected with the 6th pin with the crus secunda of 555 integrated timer ID2 by resistance R 11, the tripod of 555 integrated timer ID2 is connected with the base stage of triode T11 by resistance R 14, the negative pole of the Fa She Ji ﹑ diode D11 of triode T11 and the coil of relay J 11 are connected, first group of contact of relay J 11 and camera, the anode of display and blower fan is connected, signal at output end of camera is connected with the signal input part of display, display button is connected with the input of the first bistable state singly-bound circuits for triggering, the output of the first bistable state singly-bound circuits for triggering is connected with the coil of relay J 41, the normally-closed contact of relay J 41 be attempted by between the tripod of power supply and 555 integrated timer ID2 after resistance R 13 is connected, be attempted by the normally-closed contact two ends of relay J 41 after capacitor C 12 and resistance R 12 series connection, the 4th group of contact of relay J 11 is serially connected in the power supply falling of described illuminating lamp, and the sense switch that opens the door is attempted by the two ends of the 4th group of contact of relay J 11; Described display is a LCD; The first bistable state singly-bound circuits for triggering contain triode Q41, triode Q42, FET Q43, one end of display button is connected with the base stage of triode Q41, the colelctor electrode of triode Q41 is connected with the base stage of triode Q42 by resistance R 43, the colelctor electrode of triode Q42 is connected with the grid of FET Q43, and the drain electrode of FET Q43 is connected with the coil of relay J 41.Click display button, can open or close display.
When micro-wave oven was worked, illuminating lamp was bright, and the food image of camera production is a coloured image, had only when illuminating lamp burns out and do not reach replacing, and the food image of infrared pick-up head production is a black white image.
Perhaps, the camera system control circuit contains power transfer module, light detects control module, operation detection control module, the output of power transfer module detects control module with light, operation detects control module and is connected, the output that light detects control module is connected with the infrared emission tube group, and the output that operation detects control module is connected with blower fan with camera, display, infrared emission tube group; Operation detects control module and contains photoelectrical coupler, 555 integrated timer ID2, relay J 11, the first bistable state singly-bound circuits for triggering and relay J 41, the transmitting terminal of photoelectrical coupler is connected with the running of microwave oven control circuit, be attempted by between power supply and the ground after the receiving terminal of photoelectrical coupler and the variable resistor RW11 series connection, wherein the tie point of the receiving terminal of photoelectrical coupler and variable resistor RW11 is connected with the 6th pin with the crus secunda of 555 integrated timer ID2 by resistance R 11, the tripod of 555 integrated timer ID2 is connected with the base stage of triode T11 by resistance R 14, the negative pole of the Fa She Ji ﹑ diode D11 of triode T11 and the coil of relay J 11 are connected, first group of contact of relay J 11 and camera, the anode of display and blower fan is connected, signal at output end of camera is connected with the signal input part of display, display button is connected with the input of the first bistable state singly-bound circuits for triggering, the output of the first bistable state singly-bound circuits for triggering is connected with the coil of relay J 41, the normally-closed contact of relay J 41 be attempted by between the tripod of power supply and 555 integrated timer ID2 after resistance R 13 is connected, be attempted by the normally-closed contact two ends of relay J 41 after capacitor C 12 and resistance R 12 series connection, the 4th group of contact of relay J 11 is serially connected in the power supply falling of described illuminating lamp, and the sense switch that opens the door is attempted by the two ends of the 4th group of contact of relay J 11; Light detects control module and contains photo resistance, 555 integrated timer ID3, relay J 21, be attempted by between power supply and the ground after photo resistance and the variable resistor RW21 series connection, wherein the tie point of photo resistance and variable resistor RW21 is connected with the 6th pin with the crus secunda of 555 integrated timer ID3 by resistance R 21, the tripod of 555 integrated timer ID3 is connected with the base stage of triode T21 by resistance R 22, the negative pole of the Fa She Ji ﹑ diode D21 of triode T21 and the coil of relay J 21 are connected, the contact of relay J 21 is connected with the anode of infrared emission tube group, and the negative terminal of infrared emission tube group is connected with second group of contact of relay J 11; Described camera is the color black sense thermal camera that changes; Described display is a LCD; The first bistable state singly-bound circuits for triggering contain triode Q41, triode Q42, FET Q43, one end of display button is connected with the base stage of triode Q41, the colelctor electrode of triode Q41 is connected with the base stage of triode Q42 by resistance R 43, the colelctor electrode of triode Q42 is connected with the grid of FET Q43, and the drain electrode of FET Q43 is connected with the coil of relay J 41.
Perhaps, the camera system control circuit contains power transfer module, light detects control module, operation detection control module, temperature detection control module, the output of power transfer module detects control module with light detection control module, operation, the temperature detection control module is connected, the output that light detects control module is connected with the infrared emission tube group, the output of temperature detection control module is connected with semiconductor cooler, and the output that operation detects control module is connected with camera, display, blower fan, infrared emission tube group, semiconductor cooler; Operation detects control module and contains photoelectrical coupler, 555 integrated timer ID2, relay J 11, the first bistable state singly-bound circuits for triggering and relay J 41, the transmitting terminal of photoelectrical coupler is connected with the running of microwave oven control circuit, be attempted by between power supply and the ground after the receiving terminal of photoelectrical coupler and the variable resistor RW11 series connection, wherein the tie point of the receiving terminal of photoelectrical coupler and variable resistor RW11 is connected with the 6th pin with the crus secunda of 555 integrated timer ID2 by resistance R 11, the tripod of 555 integrated timer ID2 is connected with the base stage of triode T11 by resistance R 14, the negative pole of the Fa She Ji ﹑ diode D11 of triode T11 and the coil of relay J 11 are connected, first group of contact of relay J 11 and camera, the anode of display and blower fan is connected, display button is connected with the input of the first bistable state singly-bound circuits for triggering, the output of the first bistable state singly-bound circuits for triggering is connected with the coil of relay J 41, the normally-closed contact of relay J 41 be attempted by between the tripod of power supply and 555 integrated timer ID2 after resistance R 13 is connected, be attempted by the normally-closed contact two ends of relay J 41 after capacitor C 12 and resistance R 12 series connection, the 4th group of contact of relay J 11 is serially connected in the power supply falling of described illuminating lamp, and the sense switch that opens the door is attempted by the two ends of the 4th group of contact of relay J 11; Light detects control module and contains photo resistance, 555 integrated timer ID3, relay J 21, be attempted by between power supply and the ground after photo resistance and the variable resistor RW21 series connection, wherein the tie point of photo resistance and variable resistor RW21 is connected with the 6th pin with the crus secunda of 555 integrated timer ID3 by resistance R 21, the tripod of 555 integrated timer ID3 is connected with the base stage of triode T21 by resistance R 22, the negative pole of the Fa She Ji ﹑ diode D21 of triode T21 and the coil of relay J 21 are connected, the contact of relay J 21 is connected with the anode of infrared emission tube group, and the negative terminal of infrared emission tube group is connected with second group of contact of relay J 11; The temperature detection control module contains thermistor, 555 integrated timer ID4, relay J 31, be attempted by between power supply and the ground after thermistor and the variable resistor RW31 series connection, wherein the tie point of thermistor and variable resistor RW31 is connected with the 6th pin with the crus secunda of 555 integrated timer ID4 by resistance R 31, the tripod of 555 integrated timer ID4 is connected with the base stage of triode T31 by resistance R 32, the negative pole of the Fa She Ji ﹑ diode D31 of triode T31 and the coil of relay J 31 are connected, the contact of relay J 31 is connected with the anode of semiconductor cooler, and the negative terminal of semiconductor cooler is connected with the 3rd group of contact of relay J 11; Described camera is the color black sense thermal camera that changes.
Food/multimedia switching key also is installed on furnace body outer wall or fire door outer wall; Operation detects control module and also contains the second bistable state singly-bound circuits for triggering and relay J 51, food/multimedia switching key is connected with the input of the second bistable state singly-bound circuits for triggering, the output of the second bistable state singly-bound circuits for triggering is connected with the coil of relay J 51, the anode that is installed in the multimedia player in body of heater or the fire door is connected with the anode of display by first contact of relay J 51, and the signal output part of multimedia player is connected with the signal input part of display with the second double-throw contact of signal at output end of camera by relay J 51.Click food/multimedia switching key, the program of food situation or multimedia player output in the changeable demonstration stove, the demonstration of micro-wave oven work normality is set to the food image display status automatically.
The first bistable state singly-bound circuits for triggering contain triode Q41, triode Q42, FET Q43, one end of display button is connected with the base stage of triode Q41, the colelctor electrode of triode Q41 is connected with the base stage of triode Q42 by resistance R 43, the colelctor electrode of triode Q42 is connected with the grid of FET Q43, and the drain electrode of FET Q43 is connected with the coil of relay J 41; The second bistable state singly-bound circuits for triggering contain triode Q51, triode Q52, FET Q53, one end of food/multimedia switching key is connected with the base stage of triode Q51, the colelctor electrode of triode Q51 is connected with the base stage of triode Q52 by resistance R 53, the colelctor electrode of triode Q52 is connected with the grid of FET Q53, and the drain electrode of FET Q53 is connected with the coil of relay J 51; Display is a LCD.
Beneficial effect of the present invention:
1. body of heater of the present invention and fire door are the metallic shield body, adopt camera to take the interior situation of cooking cavity, adopt LCD that picture is shown, and so not only can prevent microwave leakage, can also observe heated food.
2. in the airtight heat-dissipating cavity of the present invention blower fan is installed, blower fan can dispel the heat that infrared emission tube, camera send on the heat-dissipating cavity wall, makes heat diffuse to the external world by the heat-dissipating cavity wall; Because blower fan is worked in airtight cavity, can prevent that so extraneous dust, oil smoke and water vapour are deposited in infrared emission tube and camera place, guaranteed the reliably working of infrared emission tube, camera, even long-term the use, do not need infrared emission tube, camera are removed contamination yet, easy to maintenance.
3. in the heat-dissipating cavity of the present invention diaphragm is installed vertically, diaphragm be positioned at blower fan around, the air that diaphragm helps in the heat-dissipating cavity circulates fast, makes heat radiation faster.
(4), description of drawings:
Fig. 1 is one of the structural representation in the fire door cross section of interior circulation heat dissipation type non-radiation microwave oven;
Fig. 2 be interior circulation heat dissipation type non-radiation microwave oven the fire door cross section structural representation two;
Fig. 3 be interior circulation heat dissipation type non-radiation microwave oven the fire door cross section structural representation three;
Fig. 4 be interior circulation heat dissipation type non-radiation microwave oven the fire door cross section structural representation four;
Fig. 5 is the position relational structure schematic diagram of camera and infrared emission tube group;
Fig. 6 is the fire door panel construction schematic diagram of interior circulation heat dissipation type non-radiation microwave oven;
Fig. 7 is one of theory diagram of camera system control circuit;
Fig. 8 be the camera system control circuit theory diagram two;
Fig. 9 be the camera system control circuit theory diagram three;
Figure 10 is the schematic diagram of power transfer module and the schematic diagram part one that operation detects control module;
Figure 11 detects the schematic diagram part two of control module for operation;
Figure 12 detects the schematic diagram part three of control module for operation;
Figure 13 detects the schematic diagram of control module for light;
Figure 14 is the schematic diagram of temperature detection control module.
(5), the specific embodiment:
Embodiment one: referring to Fig. 1, Fig. 7, Figure 10, Figure 11, among the figure, interior circulation heat dissipation type non-radiation microwave oven contains body of heater and fire door, body of heater and fire door link together and constitute an airtight cooking cavity, cooking cavity is used for placing the food that needs heating, the cooking cavity inwall is equipped with illuminating lamp LD, body of heater is the metallic shield body, fire door also is the metallic shield body, on fire door, have the shooting hole 26 that is communicated with cooking cavity, shooting is equipped with camera 3 in the hole 26, at fire door outer wall 2 display 7 is installed, and at 26 places, shooting hole of fire door inwall 1 transparent insulating glass 6 is installed, the camera system control circuit is installed in fire door, camera 3 is connected with the camera system control circuit with display 7, in fire door and be positioned at the shooting hole 3 the back be provided with the airtight heat-dissipating cavity 40 that is communicated with the hole 26 of making a video recording, blower fan 12 is installed in the heat-dissipating cavity 40.
Blower fan 12 is positioned at the rear of camera 3, and the front of blower fan 12 is towards the rear portion of camera 3, and blower fan 12 also is connected with the camera system control circuit.
Between transparent insulating glass 6 and the camera 3 water proof and dust proof diathermic mirror 5 is installed also.
Display button SW1 is installed on fire door outer wall 2, and fire door is provided with the sense switch KM that opens the door; The camera system control circuit contains power transfer module 31, operation detects control module, and the output of power transfer module 31 detects control module with operation and is connected, and the output that operation detects control module is connected with camera 3, display 7 and blower fan 12; Operation detects control module and contains photoelectrical coupler G1,555 integrated timer ID2, relay J 11, first bistable state singly-bound circuits for triggering 32 and the relay J 41, the transmitting terminal of photoelectrical coupler G1 is connected with the running of microwave oven control circuit, be attempted by between power supply and the ground after the receiving terminal of photoelectrical coupler G1 and the variable resistor RW11 series connection, wherein the tie point of the receiving terminal of photoelectrical coupler G1 and variable resistor RW11 is connected with the 6th pin with the crus secunda of 555 integrated timer ID2 by resistance R 11, the tripod of 555 integrated timer ID2 is connected with the base stage of triode T11 by resistance R 14, the negative pole of the Fa She Ji ﹑ diode D11 of triode T11 and the coil of relay J 11 are connected, first group of contact of relay J 11 and camera 3, display 7 is connected with the anode of blower fan 12, the signal output part of camera 3 is connected with the signal input part of display 7, display button SW1 is connected with the input of the first bistable state singly-bound circuits for triggering 32, the output of the first bistable state singly-bound circuits for triggering 32 is connected with the coil of relay J 41, the normally-closed contact of relay J 41 be attempted by between the tripod of power supply and 555 integrated timer ID2 after resistance R 13 is connected, be attempted by the normally-closed contact two ends of relay J 41 after capacitor C 12 and resistance R 12 series connection, the 4th group of contact of relay J 11 is serially connected in the power supply falling of illuminating lamp LD, and the sense switch KM that opens the door is attempted by the two ends of the 4th group of contact of relay J 11; Display 7 is a LCD; The first bistable state singly-bound circuits for triggering 32 contain triode Q41, triode Q42, FET Q43, the end of display button SW1 is connected with the base stage of triode Q41, the colelctor electrode of triode Q41 is connected with the base stage of triode Q42 by resistance R 43, the colelctor electrode of triode Q42 is connected with the grid of FET Q43, and the drain electrode of FET Q43 is connected with the coil of relay J 41.Click display button SW1, can open or close display 7.
Embodiment two: referring to Fig. 2, Fig. 5, Fig. 8, Figure 10, Figure 11, Figure 13, numbering is identical with embodiment one among the figure, the meaning of representative is identical, its course of work is also basic identical, something in common does not repeat, difference is: shooting also is equipped with the infrared emission tube group of being made up of eight infrared emission tubes 8 25 in the hole 26, and camera 3 is the color black sense thermal camera that changes; Infrared emission tube group 25 is installed on the fixed head 4 in the shooting hole 26, and camera 3 is nested in the middle part of fixed head 4, infrared emission tube group 25 be arranged on camera 3 around, photo resistance RG also is installed on the fixed head 4; Infrared emission tube group 25 is connected with the camera system control circuit with photo resistance RG.
The camera system control circuit contains power transfer module 31, light detects control module, operation detection control module, the output of power transfer module 31 detects control module with light, operation detects control module and is connected, the output that light detects control module is connected with infrared emission tube group 25, and the output that operation detects control module is connected with camera 3, display 7, infrared emission tube group 25 and blower fan 12; Operation detects control module and contains photoelectrical coupler G1,555 integrated timer ID2, relay J 11, first bistable state singly-bound circuits for triggering 32 and the relay J 41, the transmitting terminal of photoelectrical coupler G1 is connected with the running of microwave oven control circuit, be attempted by between power supply and the ground after the receiving terminal of photoelectrical coupler G1 and the variable resistor RW11 series connection, wherein the tie point of the receiving terminal of photoelectrical coupler G1 and variable resistor RW11 is connected with the 6th pin with the crus secunda of 555 integrated timer ID2 by resistance R 11, the tripod of 555 integrated timer ID2 is connected with the base stage of triode T11 by resistance R 14, the negative pole of the Fa She Ji ﹑ diode D11 of triode T11 and the coil of relay J 11 are connected, first group of contact of relay J 11 and camera 3, display 7 is connected with the anode of blower fan 12, the signal output part of camera 3 is connected with the signal input part of display 7, display button SW1 is connected with the input of the first bistable state singly-bound circuits for triggering 32, the output of the first bistable state singly-bound circuits for triggering 32 is connected with the coil of relay J 41, the normally-closed contact of relay J 41 be attempted by between the tripod of power supply and 555 integrated timer ID2 after resistance R 13 is connected, be attempted by the normally-closed contact two ends of relay J 41 after capacitor C 12 and resistance R 12 series connection, the 4th group of contact of relay J 11 is serially connected in the power supply falling of illuminating lamp LD, and the sense switch KM that opens the door is attempted by the two ends of the 4th group of contact of relay J 11; Light detects control module and contains photo resistance RG, 555 integrated timer ID3, relay J 21, be attempted by between power supply and the ground after photo resistance RG and the variable resistor RW21 series connection, wherein the tie point of photo resistance RG and variable resistor RW21 is connected with the 6th pin with the crus secunda of 555 integrated timer ID3 by resistance R 21, the tripod of 555 integrated timer ID3 is connected with the base stage of triode T21 by resistance R 22, the negative pole of the Fa She Ji ﹑ diode D21 of triode T21 and the coil of relay J 21 are connected, the contact of relay J 21 is connected with the anode of infrared emission tube group 25, and the negative terminal of infrared emission tube group 25 is connected with second group of contact of relay J 11.
Embodiment three: referring to Fig. 3, Fig. 8, Figure 10, Figure 11, Figure 13, numbering is identical with embodiment two among the figure, the meaning of representative is identical, its course of work is also basic identical, something in common does not repeat, difference is: polylith diaphragm 41 vertically is installed in heat-dissipating cavity 40, diaphragm 41 be positioned at blower fan 12 around, between the medial surface of diaphragm 41 and blower fan 12 and heat-dissipating cavity 40 certain clearance is arranged.
Be connected by a convex-concave structure 42 of mating mutually around the fire door with between the body of heater 43, can prevent from like this to reveal the slit of microwave between fire door and body of heater 43.
Embodiment four: referring to Fig. 4, Fig. 6, Fig. 9～Figure 14, numbering is identical with embodiment three among the figure, and the meaning of representative is identical, its course of work is also basic identical, something in common does not repeat, and difference is: diaphragm 41 is the plate that a centre is provided with through hole, and blower fan 12 is arranged in the through hole.
In shooting hole 26, and the rear portion that is positioned at camera 3 is equipped with semiconductor cooler 19, and semiconductor cooler 19 is provided with fin 20, and thermistor RW is installed on the camera 3; Semiconductor cooler 19 is connected with the camera system control circuit with thermistor RW.
The camera system control circuit contains power transfer module 31, light detects control module, operation detects control module, the temperature detection control module, the output of power transfer module 31 and light detect control module, operation detects control module, the temperature detection control module connects, the output that light detects control module is connected with infrared emission tube group 25, the output of temperature detection control module is connected with semiconductor cooler 19, and operation detects the output and the camera 3 of control module, display 7, blower fan 12, infrared emission tube group 25, semiconductor cooler 19 connects; Operation detects control module and contains photoelectrical coupler G1,555 integrated timer ID2, relay J 11, first bistable state singly-bound circuits for triggering 32 and the relay J 41, the transmitting terminal of photoelectrical coupler G1 is connected with the running of microwave oven control circuit, be attempted by between power supply and the ground after the receiving terminal of photoelectrical coupler G1 and the variable resistor RW11 series connection, wherein the tie point of the receiving terminal of photoelectrical coupler G1 and variable resistor RW11 is connected with the 6th pin with the crus secunda of 555 integrated timer ID2 by resistance R 11, the tripod of 555 integrated timer ID2 is connected with the base stage of triode T11 by resistance R 14, the negative pole of the Fa She Ji ﹑ diode D11 of triode T11 and the coil of relay J 11 are connected, first group of contact of relay J 11 and camera 3, display 7 is connected with the anode of blower fan 12, display button SW1 is connected with the input of the first bistable state singly-bound circuits for triggering 32, the output of the first bistable state singly-bound circuits for triggering 32 is connected with the coil of relay J 41, the normally-closed contact of relay J 41 be attempted by between the tripod of power supply and 555 integrated timer ID2 after resistance R 13 is connected, be attempted by the normally-closed contact two ends of relay J 41 after capacitor C 12 and resistance R 12 series connection, the 4th group of contact of relay J 11 is serially connected in the power supply falling of illuminating lamp LD, and the sense switch KM that opens the door is attempted by the two ends of the 4th group of contact of relay J 11; Light detects control module and contains photo resistance RG, 555 integrated timer ID3, relay J 21, be attempted by between power supply and the ground after photo resistance RG and the variable resistor RW21 series connection, wherein the tie point of photo resistance RG and variable resistor RW21 is connected with the 6th pin with the crus secunda of 555 integrated timer ID3 by resistance R 21, the tripod of 555 integrated timer ID3 is connected with the base stage of triode T21 by resistance R 22, the negative pole of the Fa She Ji ﹑ diode D21 of triode T21 and the coil of relay J 21 are connected, the contact of relay J 21 is connected with the anode of infrared emission tube group 35, and the negative terminal of infrared emission tube group 25 is connected with second group of contact of relay J 11; The temperature detection control module contains thermistor RW, 555 integrated timer ID4, relay J 31, be attempted by between power supply and the ground after thermistor RW and the variable resistor RW31 series connection, wherein the tie point of thermistor RW and variable resistor RW31 is connected with the 6th pin with the crus secunda of 555 integrated timer ID4 by resistance R 31, the tripod of 555 integrated timer ID4 is connected with the base stage of triode T31 by resistance R 32, the negative pole of the Fa She Ji ﹑ diode D31 of triode T31 and the coil of relay J 31 are connected, the contact of relay J 31 is connected with the anode of semiconductor cooler 19, and the negative terminal of semiconductor cooler 19 is connected with the 3rd group of contact of relay J 11.
Food/multimedia switching key SW2 also is installed on the fire door outer wall; Operation detects control module and also contains second bistable state singly-bound circuits for triggering 34 and the relay J 51, food/multimedia switching key SW2 is connected with the input of the second bistable state singly-bound circuits for triggering 34, the output of the second bistable state singly-bound circuits for triggering 34 is connected with the coil of relay J 51, the anode that is installed in the multimedia player in the fire door is connected with the anode of display 7 by first contact of relay J 51, and the signal output part of the signal output part of multimedia player and camera 3 is connected with the signal input part of display 7 by the second double-throw contact of relay J 51.Click food/multimedia switching key SW2, the program of situation or multimedia player output in the changeable demonstration stove.
The second bistable state singly-bound circuits for triggering 34 contain triode Q51, triode Q52, FET Q53, food/end of multimedia switching key SW2 is connected with the base stage of triode Q51, the colelctor electrode of triode Q51 is connected with the base stage of triode Q52 by resistance R 53, the colelctor electrode of triode Q52 is connected with the grid of FET Q53, and the drain electrode of FET Q53 is connected with the coil of relay J 51.
More than four embodiment all illustrate is the situation that is connected of camera each funtion part when being installed on the fire door with display, camera and display also can be installed in the top or the side of body of heater, concrete connection situation be installed in fire door on the time identical, here do not narrate one by one.
Claims (12)
1. circulation heat dissipation type non-radiation microwave oven in a kind, contain body of heater and fire door, body of heater and fire door link together and constitute an airtight cooking cavity, cooking cavity is used for placing the food that needs heating, the cooking cavity inwall is equipped with illuminating lamp, body of heater is the metallic shield body, fire door also is the metallic shield body, on body of heater or fire door, have the shooting hole that is communicated with cooking cavity, shooting is equipped with camera in the hole, at furnace body outer wall or fire door outer wall display is installed, place, shooting hole at inboard wall of furnace body or fire door inwall is equipped with transparent insulating glass, and the camera system control circuit is installed in body of heater or in the fire door, and camera is connected with the camera system control circuit with display, it is characterized in that: in body of heater or in the fire door and be positioned at the shooting hole the back be provided with the airtight heat-dissipating cavity that is communicated with the hole of making a video recording, blower fan is installed in the heat-dissipating cavity.
2. circulation heat dissipation type non-radiation microwave oven in according to claim 1, it is characterized in that: described blower fan is positioned at the rear of camera, and the front of blower fan is towards the rear portion of camera, and blower fan also is connected with the camera system control circuit.
3. according to claim 1 in circulation heat dissipation type non-radiation microwave oven, it is characterized in that: described blower fan be positioned at camera left right-hand or above or below, blower fan also is connected with the camera system control circuit.
4. according to claim 1 or 2 or 3 described interior circulation heat dissipation type non-radiation microwave ovens, it is characterized in that: diaphragm vertically is installed in described heat-dissipating cavity, diaphragm be positioned at blower fan around, between the medial surface of diaphragm and blower fan and heat-dissipating cavity certain clearance is arranged.
5. circulation heat dissipation type non-radiation microwave oven in according to claim 4, it is characterized in that: described diaphragm is the plate that a centre is provided with through hole, and blower fan is arranged in the through hole.
6. according to claim 1 or 2 or 3 described interior circulation heat dissipation type non-radiation microwave ovens, it is characterized in that: around the described fire door with body of heater between convex-concave structure by a certain number of mutual coupling be connected, between described transparent insulating glass and the camera water proof and dust proof diathermic mirror is installed also.
7. circulation heat dissipation type non-radiation microwave oven in according to claim 1, it is characterized in that: the infrared emission tube group of being made up of a certain number of infrared emission tube also is installed in the described shooting hole, and described camera is the infrared pick-up head; The infrared emission tube group is installed on the fixed head of shooting in the hole, and camera is nested in the middle part of fixed head, the infrared emission tube group be arranged on camera around, photo resistance also is installed on the fixed head; The infrared emission tube group is connected with the camera system control circuit with photo resistance.
8. circulation heat dissipation type non-radiation microwave oven in according to claim 1, it is characterized in that: described camera is the integral type infrared pick-up head that contains infrared emission tube group and photo resistance, the infrared emission tube group is made up of a certain number of infrared emission tube, and the infrared emission tube group is connected with the camera system control circuit with photo resistance.
9. circulation heat dissipation type non-radiation microwave oven in according to claim 8 is characterized in that: in the shooting hole, and the rear portion that is positioned at camera is equipped with semiconductor cooler, and semiconductor cooler is provided with fin, and thermistor is installed on the camera; Semiconductor cooler is connected with the camera system control circuit with thermistor.
10. according to claim 1 or 2 or 3 described interior circulation heat dissipation type non-radiation microwave ovens, it is characterized in that: on furnace body outer wall or fire door outer wall display button is installed, fire door is provided with the sense switch that opens the door; Described camera system control circuit contains power transfer module, operation detects control module, and the output of power transfer module detects control module with operation and is connected, and the output that operation detects control module is connected with camera, display and blower fan; Operation detects control module and contains photoelectrical coupler, 555 integrated timer ID2, relay J 11, the first bistable state singly-bound circuits for triggering and relay J 41, the transmitting terminal of photoelectrical coupler is connected with the running of microwave oven control circuit, be attempted by between power supply and the ground after the receiving terminal of photoelectrical coupler and the variable resistor RW11 series connection, wherein the tie point of the receiving terminal of photoelectrical coupler and variable resistor RW11 is connected with the 6th pin with the crus secunda of 555 integrated timer ID2 by resistance R 11, the tripod of 555 integrated timer ID2 is connected with the base stage of triode T11 by resistance R 14, the negative pole of the Fa She Ji ﹑ diode D11 of triode T11 and the coil of relay J 11 are connected, first group of contact of relay J 11 and camera, the anode of display and blower fan is connected, signal at output end of camera is connected with the signal input part of display, display button is connected with the input of the first bistable state singly-bound circuits for triggering, the output of the first bistable state singly-bound circuits for triggering is connected with the coil of relay J 41, the normally-closed contact of relay J 41 be attempted by between the tripod of power supply and 555 integrated timer ID2 after resistance R 13 is connected, be attempted by the normally-closed contact two ends of relay J 41 after capacitor C 12 and resistance R 12 series connection, the 4th group of contact of relay J 11 is serially connected in the power supply falling of described illuminating lamp, and the sense switch that opens the door is attempted by the two ends of the 4th group of contact of relay J 11; Described display is a LCD; The first bistable state singly-bound circuits for triggering contain triode Q41, triode Q42, FET Q43, one end of display button is connected with the base stage of triode Q41, the colelctor electrode of triode Q41 is connected with the base stage of triode Q42 by resistance R 43, the colelctor electrode of triode Q42 is connected with the grid of FET Q43, and the drain electrode of FET Q43 is connected with the coil of relay J 41.
11. according to claim 7 or 8 described interior circulation heat dissipation type non-radiation microwave ovens, it is characterized in that: on furnace body outer wall or fire door outer wall display button is installed, fire door is provided with the sense switch that opens the door; Described camera system control circuit contains power transfer module, light detects control module, operation detection control module, the output of power transfer module detects control module with light, operation detects control module and is connected, the output that light detects control module is connected with the infrared emission tube group, and the output that operation detects control module is connected with blower fan with camera, display, infrared emission tube group; Operation detects control module and contains photoelectrical coupler, 555 integrated timer ID2, relay J 11, the first bistable state singly-bound circuits for triggering and relay J 41, the transmitting terminal of photoelectrical coupler is connected with the running of microwave oven control circuit, be attempted by between power supply and the ground after the receiving terminal of photoelectrical coupler and the variable resistor RW11 series connection, wherein the tie point of the receiving terminal of photoelectrical coupler and variable resistor RW11 is connected with the 6th pin with the crus secunda of 555 integrated timer ID2 by resistance R 11, the tripod of 555 integrated timer ID2 is connected with the base stage of triode T11 by resistance R 14, the negative pole of the Fa She Ji ﹑ diode D11 of triode T11 and the coil of relay J 11 are connected, first group of contact of relay J 11 and camera, the anode of display and blower fan is connected, signal at output end of camera is connected with the signal input part of display, display button is connected with the input of the first bistable state singly-bound circuits for triggering, the output of the first bistable state singly-bound circuits for triggering is connected with the coil of relay J 41, the normally-closed contact of relay J 41 be attempted by between the tripod of power supply and 555 integrated timer ID2 after resistance R 13 is connected, be attempted by the normally-closed contact two ends of relay J 41 after capacitor C 12 and resistance R 12 series connection, the 4th group of contact of relay J 11 is serially connected in the power supply falling of described illuminating lamp, and the sense switch that opens the door is attempted by the two ends of the 4th group of contact of relay J 11; Light detects control module and contains photo resistance, 555 integrated timer ID3, relay J 21, be attempted by between power supply and the ground after photo resistance and the variable resistor RW21 series connection, wherein the tie point of photo resistance and variable resistor RW21 is connected with the 6th pin with the crus secunda of 555 integrated timer ID3 by resistance R 21, the tripod of 555 integrated timer ID3 is connected with the base stage of triode T21 by resistance R 22, the negative pole of the Fa She Ji ﹑ diode D21 of triode T21 and the coil of relay J 21 are connected, the contact of relay J 21 is connected with the anode of infrared emission tube group, and the negative terminal of infrared emission tube group is connected with second group of contact of relay J 11; Described camera is the color black sense thermal camera that changes; Described display is a LCD; The first bistable state singly-bound circuits for triggering contain triode Q41, triode Q42, FET Q43, one end of display button is connected with the base stage of triode Q41, the colelctor electrode of triode Q41 is connected with the base stage of triode Q42 by resistance R 43, the colelctor electrode of triode Q42 is connected with the grid of FET Q43, and the drain electrode of FET Q43 is connected with the coil of relay J 41.
12. circulation heat dissipation type non-radiation microwave oven in according to claim 9, it is characterized in that: on furnace body outer wall or fire door outer wall display button is installed, fire door is provided with the sense switch that opens the door; Described camera system control circuit contains power transfer module, light detects control module, operation detection control module, temperature detection control module, the output of power transfer module detects control module with light detection control module, operation, the temperature detection control module is connected, the output that light detects control module is connected with the infrared emission tube group, the output of temperature detection control module is connected with semiconductor cooler, and the output that operation detects control module is connected with camera, display, blower fan, infrared emission tube group, semiconductor cooler; Operation detects control module and contains photoelectrical coupler, 555 integrated timer ID2, relay J 11, the first bistable state singly-bound circuits for triggering and relay J 41, the transmitting terminal of photoelectrical coupler is connected with the running of microwave oven control circuit, be attempted by between power supply and the ground after the receiving terminal of photoelectrical coupler and the variable resistor RW11 series connection, wherein the tie point of the receiving terminal of photoelectrical coupler and variable resistor RW11 is connected with the 6th pin with the crus secunda of 555 integrated timer ID2 by resistance R 11, the tripod of 555 integrated timer ID2 is connected with the base stage of triode T11 by resistance R 14, the negative pole of the Fa She Ji ﹑ diode D11 of triode T11 and the coil of relay J 11 are connected, first group of contact of relay J 11 and camera, the anode of display and blower fan is connected, display button is connected with the input of the first bistable state singly-bound circuits for triggering, the output of the first bistable state singly-bound circuits for triggering is connected with the coil of relay J 41, the normally-closed contact of relay J 41 be attempted by between the tripod of power supply and 555 integrated timer ID2 after resistance R 13 is connected, be attempted by the normally-closed contact two ends of relay J 41 after capacitor C 12 and resistance R 12 series connection, the 4th group of contact of relay J 11 is serially connected in the power supply falling of described illuminating lamp, and the sense switch that opens the door is attempted by the two ends of the 4th group of contact of relay J 11; Light detects control module and contains photo resistance, 555 integrated timer ID3, relay J 21, be attempted by between power supply and the ground after photo resistance and the variable resistor RW21 series connection, wherein the tie point of photo resistance and variable resistor RW21 is connected with the 6th pin with the crus secunda of 555 integrated timer ID3 by resistance R 21, the tripod of 555 integrated timer ID3 is connected with the base stage of triode T21 by resistance R 22, the negative pole of the Fa She Ji ﹑ diode D21 of triode T21 and the coil of relay J 21 are connected, the contact of relay J 21 is connected with the anode of infrared emission tube group, and the negative terminal of infrared emission tube group is connected with second group of contact of relay J 11; The temperature detection control module contains thermistor, 555 integrated timer ID4, relay J 31, be attempted by between power supply and the ground after thermistor and the variable resistor RW31 series connection, wherein the tie point of thermistor and variable resistor RW31 is connected with the 6th pin with the crus secunda of 555 integrated timer ID4 by resistance R 31, the tripod of 555 integrated timer ID4 is connected with the base stage of triode T31 by resistance R 32, the negative pole of the Fa She Ji ﹑ diode D31 of triode T31 and the coil of relay J 31 are connected, the contact of relay J 31 is connected with the anode of semiconductor cooler, and the negative terminal of semiconductor cooler is connected with the 3rd group of contact of relay J 11; Described camera is the color black sense thermal camera that changes; Food/multimedia switching key also is installed on furnace body outer wall or fire door outer wall; Operation detects control module and also contains the second bistable state singly-bound circuits for triggering and relay J 51, food/multimedia switching key is connected with the input of the second bistable state singly-bound circuits for triggering, the output of the second bistable state singly-bound circuits for triggering is connected with the coil of relay J 51, the anode that is installed in the multimedia player in body of heater or the fire door is connected with the anode of display by first contact of relay J 51, and the signal output part of multimedia player is connected with the signal input part of display with the second double-throw contact of signal at output end of camera by relay J 51; The first bistable state singly-bound circuits for triggering contain triode Q41, triode Q42, FET Q43, one end of display button is connected with the base stage of triode Q41, the colelctor electrode of triode Q41 is connected with the base stage of triode Q42 by resistance R 43, the colelctor electrode of triode Q42 is connected with the grid of FET Q43, and the drain electrode of FET Q43 is connected with the coil of relay J 41; The described second bistable state singly-bound circuits for triggering contain triode Q51, triode Q52, FET Q53, one end of food/multimedia switching key is connected with the base stage of triode Q51, the colelctor electrode of triode Q51 is connected with the base stage of triode Q52 by resistance R 53, the colelctor electrode of triode Q52 is connected with the grid of FET Q53, and the drain electrode of FET Q53 is connected with the coil of relay J 51; Described display is a LCD.
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