JPS6087497U - Safety devices for induction heating appliances - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

The following are drawings showing embodiments of the present invention. The seventh speed shown in FIG. 1 shows the first embodiment, and FIG. 1 is a partially cutaway perspective view, and the seventh speed shown in FIG. 2 is a sectional view. 8th
The figures up to Figure 15 show the second embodiment, Figures 8 through 10 are cross-sectional views, and Figures 11 through 15 are partially enlarged cross-sectional views. , 1... Heating body, 2... Main body, 2a... Main body stationary part, 2b... Main body movable part, 3... Elastic body, 4...
Top plate on the induction heating equipment side, 5...-Physical material, 6
... Heat storage material, 7... Gap, 8... Rotating body, 9...
・Fully point, 10... Moving fulcrum, 11... Telescopic part, lla... Telescopic part with high coefficient of thermal expansion, llb
... Telescoping component with a low coefficient of thermal expansion, 12 ... Tip part, 13 ... Return lever. Amendment 1974.4゜3 The scope of claims for utility model registration is amended as follows. Scope of Claims for Utility Model Registration (1) When a heating body made of a magnetic material that generates heat by generating eddy currents by electromagnetic induction comes into contact with or comes sufficiently close to the trap plate of the induction heating equipment, the induction heating equipment The magnet of the magnetic proximity switch installed on the side allows the switch to sense the presence of a magnetic substance in front of the mouth and turn it on or strong, thereby turning on or strong the power that can heat the induction heating device. When the temperature reaches an extremely high temperature or an abnormally high temperature, one end is locked or brought into contact with the heating element, and the other end is covered even partially with the heating element so that no heat is generated due to electromagnetic induction during heating. The heating element is moved away from the top plate enough to cause the magnetic switch to turn off or weaken without sensing the presence of the magnetic material in the heating element. By moving the induction heating equipment side by side, the power source that can heat the induction heating equipment can be turned off or weakly controlled.
The shape memory alloy is made of 186 material or bimetal, etc., so that the shape memory alloy is plastically deformed by the heat from the front of the mouth that reaches a preset high or low temperature of the heating body of the shape memory alloy. A safety device for an induction heating appliance having a U configuration including at least the elastic body, the heating body, and a main body supporting the heating body through the elastic body, characterized by using a thermally deformable material. (2) The induction heating appliance according to claim 1, wherein the elastic body is partially or entirely made of a heat-deformable material such as a shape memory alloy or bimetal, and a plurality of the elastic bodies are installed in each device. Safety device. (3) A retractable part such as a spring or the like made partly or entirely of the shape memory alloy or bimetal material, whose one end is attached to the main body, and the tip of the retractable part or The extensible component is provided with a distal end that is separately engaged with the extensible component, and the distal end is interlocked with the extensible component and moves in a direction substantially perpendicular to the direction of movement of the extensible component, and an elastic body such as a spring or the like. One end of the elastic body is locked and the other end of the elastic body is locked with the main body, or the elastic body is inserted between the main body and the heating body so that one end is in contact with the heating body, and the elastic force is always applied to the heating body when the induction heating device The tip of the telescoping component or the tip of the extensible component may be attached to the magnetic switch at a distance or away from the side top plate during induction heating of the heating element at low temperatures or during heating. It is designed so that it can be protruded to prevent the heating element from moving away from or away from a fixed position, which can be used to control the presence of a magnetic material in the heating element. High temperature at the end 4 When the temperature reaches a high temperature, the extensible part expands or contracts due to heat conduction from the heating element so that the protruding part that restrains the movement of the heating element disappears. The elastic force of the elastic body allows the magnetic switch to freely move away from or away from the top plate on the side of the induction heating device, without causing the magnetic switch to sense the presence of the magnetic body of the heating body.
・Once constructed so that the heating element can be moved away from or away from the top plate, a return lever is provided so that the heating element can be forcibly returned to the fixed position where it can be heated by manual operation. A part of the main body is movable so as to correspond to the return lever, and is locked so as to be interlocked with the heating body by a frame etc., and the tip of the telescoping part or the protruding part of the tip at low temperatures. An inclined or tapered shape is formed so that the protruding portion can be forcibly retracted and eliminated by applying the moving force for forcibly returning the heating element to its home position in the direction perpendicular to the heating element. By doing so, the heating body is positioned at a fixed position, and a protruding portion of the telescoping part is created in the blank area after the heating body has passed, and movement is caused by the elastic force of the elastic body of the heating body. A safety device for an induction heating appliance according to claim 1, which is constructed to be capable of being stopped. (4) A screw adjustment mechanism is provided between the locking or contacting portion of the elastic body and the main body to finely adjust the distance between the two.
Or, a hole or cutout can be formed into a recessed part, etc., and a thread can be cut, or a non-threaded part can be formed, and the knob can be loosely fitted and used as the screw.
2. A safety device for an induction heating appliance according to claim 2, which is configured to be loosely fitted to the side of the elastic body to finely adjust the distance between the elastic body and the main body by changing the pitch of rotation. (5) Between the first period and the heating body, or . In between, there is an element that has low heat conductivity and does not generate heat by induction.
The source of the elastic body or the heating body in which a screw or a heat conduction adjusting body formed by a screw is formed with an external screw, a male screw, or a non-threaded part. or . The distance between the elastic body and the heating body, that is, the distance between the heat conduction adjusting body and the heat conduction adjusting body, is set so that the elastic body and the heating body can be rotated at least in either direction. - or 10 concave portions are formed and holes are formed by turning the body with a screwdriver from the outside. Request for registration of a utility model in which the heat conduction adjustment body is configured to protrude slightly outside the hole, or an adjustment knob that interlocks with the heat conduction adjustment body is provided so that fine adjustment can be made by changing the pitch. (6) At least within the range of the above-mentioned elastic body and the heating device, the range of the heating device mentioned in item 2 must be within the range of water, oil, edible oil, and ethylene glycol.
Alternatively, the elastic body and the heating body are covered with a heat storage material made of ゛ to prevent the heat storage material from flowing out of the main body.
At least one part of the main body or the solid heat storage material is configured to be configured to do so, or the structure is further provided with a plug for taking the liquid or viscous heat storage material in and out from the outside of the main body. Scope of claims for utility model registration that are additionally provided in any of the following: Items 2 to 5
The odor safety device for induction heating vessels described in any of the following paragraphs. (7) Induction heating with hollow elasticity and restorability capable of absorbing the heating body and the thermal expansion pressure of the heating body without interfering with the heat of 4゛ or −. A spring or spring, etc., which does not have or has a shape of 1 or 2, is accommodated in the hollow part and made of an elastic material that is brought into contact with the hollow part. the hole and the hollow part, and a thermal expansion pressure buffer is applied to the body or the body.
A safety device for an induction heating appliance as set forth in any one of claims 2 to 6 of the patented claims. The brief description of the drawing should be amended as follows: Specification No. 13] This is a diagram of the 1st Bfr. Add the following entry after ``Yo''. 1 Figures 16 and 17 are 3rd, 18 and 19
The figure is a partially enlarged cutaway sectional view showing the fourth embodiment. FIG. 20 is a sectional view showing the fifth embodiment, and FIG. 21 is a sectional view showing the sixth embodiment. 1 material of the 2nd watch on page 13 of the specification, next to 1 '6a...
Liquid or slimy heat storage material, 6b...Solid heat storage material 1. Add the description. The following description is added next to 113...return lever, line 4 on page 14 of the specification.

Claims (3)

[Scope of utility model registration request] (1) A heating element made of a magnetic material that generates heat by emitting eddy currents through electromagnetic induction, and heating in a state where induction heating can be performed at a fixed position of the heating element that comes into contact with or approaches the top plate of an induction heating device. A main body is provided which moves away or away from the top plate of the induction heating device by the elastic force of an elastic body such as a spring or the like when the body reaches a high temperature arbitrarily set by heating, and supports this movement of the heating body, It is configured so that it can be controlled so that it does not automatically generate eddy current in the heating element itself and does not generate heat, or turns off the power or weakens the current or voltage by operating a magnetic proximity switch or magnet inside the induction heating equipment. In what you do,
An induction heating appliance characterized by using a material that is memorized to plastically deform when it reaches a preset high temperature, such as a shape-memory or memory alloy, or a material that deforms thermally, such as a bimetal, as a component. Safety device. (2) One end of one or more elastic bodies such as springs or springs made of part or all of a shape memory alloy is attached to the heating body, and the other end is attached to the main body or heated. A safety device for an induction heating appliance according to claim 1, wherein the elastic body is inserted between two bodies with one end in contact with the heating body. (3) A telescoping component such as a spring made partially or entirely of the shape memory alloy or bimetal, etc., which is secured to the body at one end, and a tip of the telescoping component or separately secured to the telescoping component. The distal end is interlocked with the elastic member and engages the heating body and an elastic body such as a spring or the like, which moves in a direction perpendicular to the direction of movement of the extensible part, and the other end of the elastic body. Lock the end to the main body or insert the elastic body between the main body and the heating body so that one end is in contact with the heating body so that the elastic force always moves the heating body away from or away from the top plate on the induction heating equipment side. What is applied is the tip of the expandable component or the tip portion when the heating body is heated by induction at a low temperature or in a normal state. In order to prevent the heating element from moving away from the fixed position, it can be protruded, and on the other hand, when the temperature reaches an arbitrarily set high temperature, the detachable part that was preventing the heating element from moving disappears. The expandable part expands or contracts due to heat conduction, and the heating body is configured to be able to freely move away from or away from the top plate on the induction heating device side by the elastic force of the elastic body. Furthermore, a return lever or the like is provided so that the heating plate that has been separated or distanced from the top plate can be forcibly returned to the home position by manual operation, etc., so that it can be linked with the heating body;
When the extensible part is stopped and the temperature is low, the moving force of the forced return movement of the heating element to the home position is applied in the right angle direction to the tip of the extensible part or the protruding part of the tip, and the protruding part is forcibly retracted. By forming an inclined or tapered shape so that the heating element can be removed, the heating element is positioned in a fixed position, and a protruding part of the expandable part is created in the blank area after the heating element passes, which causes heating. A safety device for an induction heating appliance according to claim 1, which is configured to prevent movement due to the elastic force of an elastic body of a body.