CN2138260Y - Quartz infrared electronic heater - Google Patents

Abstract

The utility model relates to a quartz infrared electronic furnace whose main shape and structural characteristic are that the quartz infrared electronic heater has a circular fireproof tray (10) made of fireproof ceramic materials; a plurality of straight concave grooves (or the fireproof tray is in flat board shape) are arranged on the fireproof tray; electric heating wires (32) are arranged in a plurality of milky quartz tubes (11). The plurality of milky quartz tubes are arranged in the straight concave grooves of the fireproof tray; the electric heating wires (32) are connected with a switch; the fireproof tray (10) and a supporting rack (12) are fastened with a bottom board through screws; the fireproof material lead silicate fibre is used for insulating heat between the fireproof tray (10) and the supporting rack (12) and at the side face of the fireproof tray. The furnace shell (3) is made of thin steel plates; the shape is cuboid. The shape and the structural characteristic of the utility model are shown in figure 4.

Description

Quartz infrared electronic heater

The utility model relates to a kind of life or experiment electrical heating electronic oven, is a kind of infra-red radiation electric furnace.Belong to the thermal technology field.

Technical description of the present utility model is exactly the mechanism that white quartz glass produces far-infrared radiation.Heating wire heating milky white silica tube, white quartz glass produces infrared radiation, and most of visible light and near infrared light are converted to far infrared radiation.White quartz glass be by glassy phase and air mutually two media constitute, thereby on the quartz glass tube wall, form minute bubbles or the gas line of 0.03 a large amount of～0.05MM, density reaches about 2000～8000/cm ², bubble produces opacifying effect, forms milky, so just can stop visible light and near infrared light that heating wire gives off under the red heat state, and the penetrance of visible light and near infrared light is reduced to 0.05～2.5% by original 95～98% when transparent.Produce diffuse reflection owing to the refractive index of glassy phase and air phase is different, this two portion of energy that so just will stop passes to the SiO2 molecular link by the refraction and the reflection of light, is converted into the molecular vibration of SiO key, thereby produces far infrared radiation.The infrared ray heating mechanism is as follows: infrared ray has remarkable fuel factor (also claiming heat wave), and infrared energy is very easily absorbed by black rough surface object and converts heat energy to object temperature is raise.(retrieval: " far infrared heating technology " Xu Huai flat sennit).

The purpose of this utility model is: a kind of energy-conservation electric heater is provided, and in use, the electrothermal wire heating makes quartz ampoule emission infrared ray, heats cooker is directed by heat-generating disc then.Heating wire places in several orpiment pipes, and quartz ampoule places in several straight troughs of firing tray.Firing tray top tray and heat-barrier material have air vent, utilize the reflection of convection current base plate to the directed heating of cooker, thereby improve the thermal efficiency.Function of use is steamed, boils, is baked, burning etc. can realize on electronic oven.

Content of the present utility model is to realize like this having: quartzy infrared exoelectron stove is made up of firing tray (10), heating wire (32), quartz ampoule (11), heat-collecting disc (4) etc., heat-collecting disc places firing tray (10) top, uniform aperture and several straight troughs on the firing tray.Heating wire (32) places in the quartz ampoule (11), and several quartz ampoules place in several straight troughs of firing tray (10).Firing tray (10), pallet (12) are fastening by screw and bracing frame (18).Be provided with switch (1), binding post (33) and heat-barrier material (14) in the said furnace shell.Bracing frame (18), leg (20), base plate (19) are arranged on the furnace shell (3), have air vent, furnace body support can place aluminum pot, frying pan on (7).Baking box (16) and grill (28), baking tray (29), screw (5) fixed feet (20) have been set up, the fixing pot of pin (6) frame (8) bezel ring, (7), potter's clay ring (9) plays insulation, support the kitchen range effect, baking box (16) is detachable, wire clamp (21) fixed power source line, and shutter (23) plays ventilative thermolysis.Fig. 3 is the accompanying drawing when using as baking box, and glass cover (25) can be opened placement food, and corner bracket (27) plays a supportive role, and transparent glass window (30), handle (31) baking box material are that steel plate is coated with high temperature enamel high temperature sintering and forms.Add that the upright placement of protective cover can make warmer.

The utility model advantage is that the electricity consumption heated quarty tube produces infrared ray.Infrared ray is to cooker, food heating, thus thermal efficiency height, and the quartz ampoule length of little caliber is short.Mechanical strength, anti-ageing performance are good, heat-resisting, cold shock, water are watered not brokenly, and obvious energy-saving effect is arranged.Use the blower fan air blast, heat-collecting disc arranged again, so and adopt heat-barrier material to improve the thermal efficiency more, reduced the temperature of furnace shell side and base plate (19) simultaneously, have ventilation shutter on the base plate (19), cold wind enters and makes thermal effect better.

The utility model adapted detachable baking box (26), enlarge the scope of application, its principle is that there is switch-box (2) in the furnace shell outside, is connected to diode on the switch, in order to regulate strong and weak second gear power with the roasting thing of infrared radiation.

Fig. 1 illustrates basic structure of the present utility model.

Fig. 2 illustrates the basic structure of the additional baking box of the utility model.

Fig. 1 Fig. 2 explanation: form by furnace shell (3), firing tray (10), heat-collecting disc (4), heating wire (32), quartz ampoule (11) etc.

Heating wire (32) places in several quartz ampoules (11), and quartz ampoule places in several the straight troughs of firing tray, and furnace shell (3) top has heat-collecting disc (4), firing tray (10), pallet (2) to use screw (15) and bracing frame (18) fastening.Furnace shell (3) is provided with that switch (1), porcelain knob (17), heat-barrier material (14), base plate (19) are provided with shutter, handgrip (22), switch-box (2) are arranged at furnace shell (3) top, top can shelve baking box (26) back quartzy infrared baking oven.

Power line (34) is connected with heating wire (32) with switch (1), binding post (33), porcelain knob (17).Energising back electrothermal wire heating produces heat, and heating makes quartz ampoule produce infrared radiation to quartz ampoule (11), because quartz ampoule (11) places on the firing tray (10), there is heat-collecting disc (4) side, top, the even distribution aperture that the firing tray bracing frame is provided with, blower fan (24) is arranged at the bottom, and makes heat wave its effect that can be fully utilized better.

Upper of furnace body heat-collecting disc (4) is used the stainless sheet steel manufacturing, and base plate (19), furnace shell (3) pallet (12), bracing frame (18) are made with cold-rolled steel sheet.Pallet (12) chromium plating, base plate (19) are zinc-plated.Firing tray (10) is used refractory.Heat-barrier material (14) adopts the silicic acid refractory material.Leg (20) is made with phenolic resins.

Claims (1)

1, quartzy infrared exoelectron stove is made up of furnace shell (3), firing tray (10), milky white silica tube (11) (also available crystallite pipe), heating wire (32), heat-collecting disc (4), it is characterized in that heating wire places in several tubule footpath quartz ampoules (11), place several quartz ampoules (11) firing tray (1) to go up in several straight connected in stars (also can be plane) again, have vent passages on the firing tray, heating wire connects power switch.

Images