JP2014216246A - Electromagnetic cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electromagnetic cooker which can correspond to diverse situations without accompanying excess cost increase or size increase thereby to enable highly accurate temperature management.SOLUTION: In an electromagnetic cooker which inductively heats cooking containers 7A, 7B on a top plate 6 by flowing AC current to a coil 3 arranged under the top plate 6 and in which control means 9A controls a current-carrying state to the coil 3 by using temperature data of the cooking containers 7A, 7B or/and inside the cooking containers 7A, 7B detected at at least one of temperature sensors 4, 5A, 5B, one of the temperature sensors is arranged on a position at a predetermined height between a height of inner bottom surfaces of the cooking containers 7A, 7B and a height of an upper end openings and capable of detecting a temperature in a state where a temperature detection part is laterally and firmly attached to a lateral face of the cooking container 7A or inserted from an outside-to-inside communication hole which opens on a lateral face of the cooking container 7B to the inside.

Description

  The present invention relates to an electromagnetic cooker that performs heating by electromagnetic induction, and in particular, an electromagnetic cooker that performs temperature management while controlling output by using a cooking container detected by a temperature sensor or temperature data in the cooking container. Related to the vessel.

  2. Description of the Related Art In recent years, an electromagnetic cooker (IH cooking heater) that performs cooking by heating a cooking container on a top plate with an alternating magnetic field by applying an alternating current to a coil has been rapidly spread. In such an electromagnetic cooker, as shown in FIG. 16 (A), the electronic control means 8B performs feedback control on the coil 3 based on the temperature data detected by the temperature sensor 4 disposed on the lower center surface of the top plate 6. A method of managing the cooking temperature / cooking time in the cooking container 7A while adjusting the output to is generally used.

  However, in this method, since the bottom surface temperature of the cooking container 7A is detected via the ceramic top plate 6, a difference occurs between the detected temperature and the actual temperature of the cooking container 7A. There are many cases where it is difficult to perform proper control. In addition, since the control is delayed due to the time difference between the temperature changes of the cooking container 7A and the temperature sensor 4, it is also said that it is not suitable for cooking that requires precise temperature management. Further, when a heat insulating sheet is laid on the top plate 6, the temperature sensor 4 disposed below the top sheet 6 cannot accurately detect the temperature of the cooking container 7A, leading to an abnormal temperature rise of the cooking container 7A. There is also drowning.

  In addition to detecting the bottom surface temperature of the cooking container 7A with the temperature sensor 4 arranged under the top plate 6 as described in, for example, Japanese Patent No. 2889341 and shown in FIG. There is also a method in which a stick-like temperature sensor 5C is inserted from above the cooking vessel 7A to directly detect the temperature inside the cooking vessel 7A or the cooking object, and adjust the output while using temperature data from either one of the temperature sensors. Proposed.

  By detecting the temperature at two different positions in this way, temperature management with higher accuracy becomes possible. However, since this method inserts the temperature sensor 5C into the cooking container 7A from above, the temperature sensor 5C and the wiring thereof are located on the opening side of the cooking container 7A and are likely to disturb the cooking operation. There is also a problem in terms of hygiene in that the temperature sensor 5C directly touches the food.

  Further, for example, in a deep pan or the like, the internal temperature is usually different depending on the height (depth) position, but the detection part on the tip side of the temperature sensor 5C with respect to the target height position. It is not easy to fix accurately, and depending on the length of the temperature sensor 5C, such as a pan bottom portion of a deep pan, there may be cases where the height position to be detected does not reach from above.

  On the other hand, as can be seen in Japanese Patent Application Laid-Open No. 7-254484, an electromagnetic sensor of a type in which an infrared sensor is arranged at a predetermined height side on the side of the top plate and temperature control is performed while detecting the side surface temperature of the cooking container. Cookers are also well known. In this method, the side temperature of the cooking container is detected in a non-contact manner as the internal temperature at the height position, so that it is hygienic without directly touching the object to be cooked. The change is easy.

  However, in this method, there may be a case where the actual temperature inside the side surface and the calculated temperature based on the amount of infrared rays vary depending on the material and color of the side surface of the cooking container. There is a problem in that the types of cooking containers are limited for accurate temperature detection. In addition, the infrared sensor is relatively expensive, and in order to place it at a predetermined height position on the side of the top plate, it is necessary to provide a protruding structure around the top plate. It tends to be high. Therefore, this method is not suitable for a portable (tabletop) electromagnetic cooker that requires thinness, compactness, and low cost.

Japanese Patent No. 2889341 JP 7-254484 A

  The present invention is intended to solve the above-described problems, so that an accurate temperature management can be performed while responding to various situations without excessive cost increase and size increase of an electromagnetic cooker. The task is to do.

  Therefore, the present invention performs induction heating of the cooking vessel on the top plate by passing an alternating current through a coil disposed under the top plate, and the control means detects the cooking vessel or / or detected by at least one temperature sensor. In addition, in the electromagnetic cooker that automatically controls the temperature by controlling the energization state of the coil using the temperature data inside the cooking vessel, at least one of the temperature sensors includes the height of the inner bottom surface of the cooking vessel and the top opening surface. The temperature detection unit is placed at a predetermined height position between the heights, and the temperature detection unit is in close contact with the side surface of the cooking container from the side or inserted from the inner and outer communication holes opened to the side of the cooking container to the inside. It was characterized by being detectable.

  Thus, in an electromagnetic cooker that performs temperature management while controlling the output based on the detected temperature, the side surface temperature of the cooking container is not only from the bottom of the cooking container but also at an appropriate height position from the side. Or, by adopting a method that directly detects the internal temperature, it becomes possible to detect the temperature while minimizing the influence due to the difference in the material and shape of the cooking container at a position that easily reflects the cooking state, and excessively It becomes easy to realize highly accurate temperature control in cooking without increasing the cost and size.

  Moreover, in this electromagnetic cooker, the temperature sensor capable of detecting the temperature in a state where the temperature detection unit is in close contact with the side surface of the cooking container is at least a member constituting the close contact surface with respect to the side surface or a member supporting the member. If the outer edge side portion is deformed according to the curved shape of the side surface, the close contact surface is brought into close contact with the side surface. The temperature sensor can be stably adhered while corresponding to the curvature individually.

  In this case, the temperature sensor capable of detecting the temperature in a state in which the temperature detection unit is in close contact with the side surface of the cooking container has the temperature detection unit supported at the center of the elastically deformable disc-shaped resin member, and the temperature detection unit. The tip end surface of the disc-shaped resin member is protruded from the contact surface on the outer peripheral side, and the portion that supports the temperature detecting portion of the disc-shaped resin member is brought into close contact with the side surface. If the tip end surface is pressed against the side surface while elastically deforming in the immersion direction, the temperature detection unit can be securely adhered to the side surfaces of various shaped cooking containers Can do.

  Further, in the electromagnetic cooker provided with a temperature sensor capable of detecting the temperature in a state where the temperature detection unit is in close contact with the side surface of the cooking container, at least a part of the contact surface to the side surface is a magnetic body. If the cooking vessel side is made of a material that can be adsorbed by a magnet, the temperature sensor can be easily installed at an arbitrary position. Can be attached and detached.

  Furthermore, in the electromagnetic cooker provided with a temperature sensor capable of detecting the temperature in a state where the above-described temperature detection unit is in close contact with the side surface of the cooking container, the temperature sensor is in the thickness direction from the close contact surface to the side surface. If it has a predetermined heat insulation structure and is characterized in that the amount of heat released from the side surface is reduced as compared with other parts, it avoids excessive heat radiation from the measurement position on the side surface of the cooking container. It becomes easy to reflect the internal temperature of the cooking container in the height position.

  In addition, in the electromagnetic cooker provided with a temperature sensor capable of detecting the temperature in a state where the temperature detection unit is inserted into the inside through the inside / outside communication hole opened in the side surface of the cooking container, the temperature sensor is a tip of a linear member. A stick-shaped temperature sensor whose side is a temperature detection unit, and the linear member is supported at a predetermined angle by a predetermined support structure in a state where the linear member is inserted into the inner and outer communication holes from the side to a predetermined depth. The temperature detection unit is stably supported at the target position inside the cooking container, and it is easy to realize highly accurate temperature management.

  Moreover, in this electromagnetic cooker, the stick-shaped temperature sensor has a cylindrical grip portion formed on the proximal end side of the linear member and having a diameter larger than that of the linear member. The support structure that is wider in the centrifugal direction than the gripping part that supports the linear member while abutting or hooking to a predetermined position on the side surface of the cooking container is formed between the portion and the linear member. If it is characterized by this, a stick-like sensor can be stably supported with a simple support structure.

  Further, in this case, the support structure of the temperature sensor includes a bowl-shaped part having a diameter larger than that of the grip part, and the outer edge side of the bowl-shaped part is formed below the inner and outer communication holes on the side surface of the cooking container in the inserted state. The shape of the side surface of the cooking container is characterized in that at least the base end side of the linear member is horizontally supported by being in contact with the upper surface of the step or inserted into the groove formed in the step. The stick-shaped sensor can be supported more stably with a simple configuration using the.

  In addition, in the above-described electromagnetic cooker having a temperature sensor capable of detecting the temperature in a state where the temperature detection unit is inserted into the inside through the inside / outside communication hole opened on the side surface of the cooking container, the stick-shaped temperature sensor is In addition, the linear member is a linear member bent at a predetermined angle at a midway position in the longitudinal direction, and the angular position of the linear member proximal side on the axis side of the proximal end side gripping portion or hook-like portion If it is possible to change the direction and the height position of the bent linear member tip side as an angle adjusting means for positioning in a plurality of kinds of directions, cooking In addition to being able to detect the temperature at a plurality of different height positions inside the container, for example, in the case of steamed dishes, the tip side with the temperature detection part faces upward, so even if the linear member hits the linear member Base Drops are momentarily flowing down can minimize temperature variation of the distal end side, it becomes difficult leading to reduced accuracy in temperature detection.

  In the above-described electromagnetic cooker, the temperature sensor disposed at a predetermined height position between the height of the inner bottom surface of the cooking container and the height of the upper end opening surface is a rectangular electromagnetic wave in a plan view when it is not used. The cooker body is supported at the distal end side of the arm member pivotally supported at the base end side at a predetermined position on the outer peripheral surface of the cooker body, and the arm member has its one side faced in the direction along one side of the square. It is a substantially horizontal standby position that is in close contact with or close to the side surface of the main body, and when used, the arm member is removed from the distal end side with the distal end side lifted in the elevation angle direction, and temperature detection is performed at a predetermined detection position. The temperature sensor can be lifted on the arm member tip side to a position close to the temperature sensor use position on the side surface of the cooking container, and the temperature sensor is used for electromagnetic cooking. vessel When connected in code side, at the time of extending the code from the lifting support member distal end, it is possible to suppress the exposed portion to a minimum.

  Further, in the above-described electromagnetic cooker, the temperature sensor disposed at a predetermined height position between the height of the inner bottom surface of the cooking container and the height of the upper end opening surface is predetermined with respect to the electromagnetic cooker body. It is assumed that the detection data is transmitted to the main body of the electromagnetic cooker by being connected through the wireless communication means of the cooking container. In addition to being able to arrange the temperature sensor easily, the temperature sensor can be easily stored.

  According to the present invention in which the side surface temperature or the internal temperature of the cooking container is directly detected not only from the lower side of the cooking container but also from the side thereof at an appropriate height position, it involves excessive cost increase and size increase. The temperature management can be performed with high accuracy while dealing with various situations without any problems.

(A) The block diagram which simplified and showed 1st Embodiment in this invention, (B) is the block diagram which simplified and showed 2nd Embodiment in this invention. (A) is a top view which shows an example of the electromagnetic cooker of FIG. 1 (A), (B) is a right view of (A), (C) is a right view which shows the use condition of the electromagnetic cooker of (A). Figure. (A) is a top view which shows the modification of the electromagnetic cooker of FIG. 2 (A), (B) is a right view of (A), (C) is the right side which shows the use condition of the electromagnetic cooker of (A). A top view and (D) are top views of (C). (A) is the expanded cross-sectional view which shows the detail of the arm member of the electromagnetic cooker of FIG. 3 (A), (B) is a cross-sectional view which shows the use condition of the arm member of (A). (A) is a cross-sectional view further enlarged to show details of the temperature sensor of the electromagnetic cooker of FIG. 3 (A), (B) is a left side view of (A), and (C) is the temperature of (A). The left view which shows the modification of a sensor. The right view which shows the case where the electromagnetic cooker of FIG. 3 (A) is used for a heat insulation cooking container. The right view which shows the use condition of the application example of the electromagnetic cooker of FIG. 3 (A), (B) is a top view of (A). The expanded cross-sectional view which shows the detail of the arm member of the electromagnetic cooker of FIG. 7 (A), (B) is a cross-sectional view which shows the use condition of the arm member of (A). (A) is a top view which shows an example of the electromagnetic cooker of FIG. 1 (B), (B) is a right view of (A), (C) is a right view which shows the use condition of the electromagnetic cooker of (A). FIG. 4D is a plan view of FIG. (A) is a plan view showing a modification of the electromagnetic cooker of FIG. 9 (A), (B) is a right side view of (A), and (C) is a right side showing a use state of the electromagnetic cooker of (A). A top view and (D) are top views of (C). FIG. 10A is an enlarged cross-sectional view showing details of a structure for connecting the temperature sensor of the electromagnetic cooker of FIG. 10A to the arm member, and FIG. 10B is a cross-section showing a state where the temperature sensor of FIG. Plan view. (A) is a top view which shows the other modification of the electromagnetic cooker of FIG. 9 (A), (B) is a right view of (A), (C) is an application example of the electromagnetic cooker of (A). The right view which shows, (D) is a right view which shows the use condition of the electromagnetic cooker of (C). (A) is an enlarged plan view showing a modification of the temperature sensor of the electromagnetic cooker of FIGS. 9 to 12, (B) is a front view of (A), and (C) is a use state of the temperature sensor of (A). The right view which shows an example. (A) is a plan view showing an application example of the temperature sensor of FIG. 13 (A), (B) is a front view of (A), and (C) is a right side view showing an example of a usage state of the temperature sensor of (A). Figure. (A) is the front view which shows the case where the support component as a support structure of a temperature sensor is provided in the cooking container side, (B) provided the structure similar to the support component of (A) in the stick-shaped temperature sensor side. The top view which shows a case. (A), (B) is the simplified block diagram of a prior art example.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. In the following description, a case will be described in which the first temperature sensor that detects the temperature from below the top plate and the second temperature sensor that detects the temperature from the side of the cooking container are combined. It is not limited to this, What includes temperature detection from at least the side of the cooking container with one temperature sensor is also included. Moreover, although the case where the standby position when the temperature sensor is not used is the right side surface of the main body is described, any surface side of the outer peripheral surface of the main body may be used as long as temperature detection is possible.

  FIG. 1 (A) shows the configuration of the electromagnetic cooker according to the first embodiment of the present invention, and FIG. 1 (B) shows the configuration of the electromagnetic cooker according to the second embodiment of the present invention. It is shown in the form. The electromagnetic cooker according to the present invention performs induction heating by supplying an alternating current to the coil 3 disposed under the top plate 6 and is detected by a temperature sensor disposed at least at one place or / and / or The control means 9A such as an electronic control unit automatically controls the temperature by controlling the energization state of the coil 3 while using the temperature data inside the cooker.

  And 5A, 5B which is one of the temperature sensors is supported and arranged at a predetermined height position between a position higher than the inner bottom surface of the cooking containers 7A, 7B and a position lower than the upper end opening surface, The temperature detection unit can be detected in a state where the temperature detection unit is in close contact with the side surface of the cooking container 7A or in a state where the temperature detection unit is inserted from the inside / outside communication hole opened to the side surface of the cooking container 7B to the inside.

  In other words, the first embodiment of FIG. 1A is a system in which the second temperature sensor 5A is closely disposed on the side surface of the cooking vessel 7A and the temperature at the height position is detected. FIG. In the second embodiment, a stick-like second temperature sensor 5B is inserted from one side into one of the inner and outer communication holes of a cooking vessel 7B such as a low-temperature steam pot having inner and outer communication holes on the side surface. This is a method for detecting the internal temperature at the height position.

  The present invention having such a relatively simple configuration is not accompanied by an excessive increase in size or cost due to its implementation, and in addition to the case where the bottom surface temperature of the cooking container is detected only by the bottom surface side temperature sensor. In comparison, it is possible to detect the exact temperature of the cooking container, the cooking container, or the cooking object while responding to various situations, and precise temperature management in cooking can be automatically performed.

  In the system in which the temperature sensor is closely arranged on the side surface of the cooking container and the temperature at the height position is detected, the cooking container to be used easily conducts heat in the thickness direction of the member (plate material) constituting the side surface. It is preferable that it is difficult to conduct heat in the surface direction from the viewpoint of accurately detecting the temperature inside the cooking container according to the height position. Moreover, as a transmission method of the detected temperature data from the temperature sensor to the cooking container body side, both wired and wireless methods are assumed. By adopting the wireless system, the temperature sensor can be easily arranged at the target position of the cooking container and the storage capacity of the temperature sensor is excellent, but in the following description, the cost is relatively low and the power storage means on the sensor side The case of a wired transmission method that does not need to be described will be described.

  Furthermore, in the above-mentioned electromagnetic cooker, it is normal to operate by designating temperature and heating power, but in addition to this, control by designating cooking time is also possible. For example, if the cooking temperature and cooking time are known in advance, the control means 9A shall adjust the heating power and the cooking time based on the temperature detected with the set temperature / specified time as the target, If the cooking time is not known in advance, such as a new food, the cooking time can be measured and displayed from a predetermined time point. In addition, the timing for starting the measurement of the cooking time is counted from the time when the detected temperature reaches the predetermined temperature and the completion of the remaining heat, for example, in the case where food is added when the remaining heat is completed, such as low-temperature steam cooking. Setting to start is desirable.

  2A is a plan view showing an example of the electromagnetic cooking device of FIG. 1A, and FIG. 2B is a right side view of FIG. This electromagnetic cooker 1A has a thin flat plate-like portable body whose main body 10A is substantially square in plan view, includes a first temperature sensor 4 on the lower surface side of the top plate 6, and a cooking container. The second temperature sensor 12A for detecting the side surface temperature of the first is provided.

  As shown in the right side view of FIG. 2 (B), the second temperature sensor 12A is formed in a substantially disc shape and is elastically expanded and contracted in the longitudinal direction with a cord spring-like cord 13 attached to the main body 10A. The cord 13 is placed in a chopstick box-like cord storage body 11A with the longitudinal direction horizontal and the left side surface being closely fixed to the right side surface of the main body 10A and the back surface and the right side surface being opened. Yes.

  FIG. 2C shows the use state of the electromagnetic cooker 1A, but the temperature sensor 12A provided with a rubber magnet (sheet-like magnet) on the side close to the side surface of the cooking container has the cord storage body 11A as the main body 10A. From the standby state in which the rubber 111 is attracted and fixed to the screw 111 fixed to the side, the temperature sensor 12A is removed and the cord 13 is extended to be magnetically attracted to a desired position on the side surface of the cooking vessel 71 made of a magnetic material. Temperature detection. With such a configuration, when the temperature sensor 12A is not used, the temperature sensor 12A and the cord 13 are neatly placed on the side surface of the main body 10A and are not easily disturbed.

  FIG. 3A shows a modified example of the above-described electromagnetic cooker 1A, which is a substantially rectangular shape whose base end side is pivotally supported at a predetermined position on the side surface of the main body 10A, instead of the cord storage body 11A that stores the cord 13. This arm member 11B is characterized in that the tip end side is provided so as to be vertically movable in the elevation angle direction. The arm member 11B has a substantially disk-shaped temperature sensor 12B detachably hooked to the left side surface of the tip, and the state shown in FIG. 3B is a substantially horizontal standby position close to the side surface of the main body 10A. ing.

  When the temperature sensor 12B is used, as shown in FIG. 3 (C), the tip end side of the arm member 11B is lifted in the elevation direction to approach the height position where temperature detection is performed, and then the temperature sensor 12B is removed and the cord 13 is pulled out (see FIG. D), and a temperature detection is performed by adsorbing and fixing a contact surface by a rubber magnet on the side surface of the cooking container 71 made of a magnetic material.

  By adopting such a configuration, the temperature sensor 12B and the cord 13 are not easily disturbed at the standby position when the temperature is not detected, and at the time of temperature detection, the distal end side of the arm member 11B housing the cord is the detection position. As a result, the exposed portion of the cord 13 extending from the tip side to the detection position with the shortest distance can be minimized, and adhesion of dirt is ensured while ensuring that the high-temperature portion is not easily touched. Can be minimized.

  FIG. 4A is an enlarged cross-sectional view showing the details of the arm member 11B of the electromagnetic cooker 1B described above. The substantially disk-shaped temperature sensor 12B has an elastic deformation capability on the inner portion of the casing 120. FIG. And a washer-like rubber magnet 123a is fixed to the outer edge of the outer surface of the plate-like detector support member 124 made of a resin material having a temperature. The detection body 51 is supported and fixed.

  Further, a surface of the casing 120 opposite to the contact surface protrudes to form a latching hole 120a at the center, and the temperature sensor 12B is opened to the opening 112 that opens to the left end of the arm member 11B. The temperature sensor 12B is latched / fixed to the distal end side of the arm member 11B by inserting the latching claw 113 projecting from the abutting surface of the opening 112 into the latching hole 120a and engaging with it while immersing it in. .

  At the time of temperature detection, the hooked state is released by pulling the temperature sensor 12B in the reverse direction to the above while the tip of the arm member 11B is lifted, and the surface of the cooking container 71 is adhered to the side surface of the cooking container 71 while pulling the cord 13 as it is. It is fixed by adsorbing the rubber magnet 123a that constitutes a part of it, and the temperature can be detected as it is. The arm member 11B exhibits a predetermined level of fixing force at an arbitrary angle, and maintains the raised height position.

  The temperature sensor 12B will be described in more detail with reference to FIG. In addition, the temperature sensor 12A in the electromagnetic cooker 1A of FIG. 2 mentioned above also has the substantially same structure except the point which does not have the latching hole 120a. FIG. 5A is an enlarged cross-sectional view of the temperature sensor 12B. The mounting hole in the center of the dish-shaped detector support member 124 made of a resin material such as silicon rubber having heat resistance and excellent elastic deformability is shown in FIG. Further, a temperature detection body 51 such as a thermocouple element is supported in a state of being fitted with the detection surface at the front end side.

  A soft rubber magnet 123a formed in a washer shape as shown in FIG. 5 (B) is fixed to the outer edge portion of the detecting body support member 124 on the close contact surface side, and a donut-shaped close contact surface with respect to the side surface of the cooking vessel 71 is fixed. Is configured. Then, as shown in FIG. 1A, the tip surface of the temperature detecting body 51 normally protrudes slightly from the doughnut-shaped close contact surface, and the rubber magnet 123a is magnetized on the side surface of the magnetic cooking container 71. By adsorbing, the detection body support member 124 is elastically deformed in the immersion direction, and the temperature detection body 51 is pressed against the side surface of the cooking container 71 while being substantially flush with the doughnut-shaped close contact surface ( (See FIG. 4B).

  At that time, the rubber magnet 123a and the detection body support member 124 are deformed while following the shape of the side surface of the curved cooking container 71 to form a close contact surface that is curved in the same manner as the side surface, and thus have different curvatures. It is possible to satisfactorily ensure the close contact state of the contact surface of the rubber magnet 123a and the side surface (outer peripheral surface) of the cooking container 71 with the tip surface of the temperature detection body 51 while corresponding to the shape of the side surface of the plurality of types of cooking containers.

  Further, a cushioning heat insulating material 121 made of a soft resin foam or the like is interposed between the inner surface of the casing 120 of the temperature sensor 12B and the detection body support member 124, and the heat retaining action by the heat insulating material 121 is In addition to the airtightness due to the close contact surface, the amount of heat radiation at the portion where the temperature sensor 12B on the side surface of the cooking vessel 71 is in close contact is minimized to easily avoid the temperature drop, and the internal temperature at the height position is accurately determined. Precise temperature detection is realized as something that can be reflected.

  In addition, instead of the rubber magnet 123a, as shown in FIG. 5C, the deformability of the contact surface can be improved by arranging a plurality of small and strong magnets 123b such as neodymium magnets on the outer edge side of the detection body support member 124. It is possible to realize a reliable adsorption state while ensuring the above. In this case, from the viewpoint of ensuring the heat insulating performance due to the airtightness of the close contact surface, it is preferable that the surface of the outer edge of the detection body support member 124 and the tip surface of the magnet 123b be flush with each other.

  FIG. 6 shows a case where the above-described electromagnetic cooker 1 </ b> B is used for heating the heat retaining cooking container 75. The heat insulation cooking container 75 is for cooking by preheating in a state where the internal cooking pot is cooked and then put in a resin heat insulation case, but when it is electromagnetically heated while being put in the heat insulation case. In contrast to the conventional electromagnetic cooker that cannot detect the internal temperature, in the present embodiment, the thin disk-shaped temperature sensor 12B is extended by the cord 13 and placed inside the heat insulation container. It is possible to control the output while detecting the side temperature of the internal cooking pan.

  FIG. 7A shows a use state of an electromagnetic cooker 1C as an application example of the electromagnetic cooker 1B described above. In this example, as shown in FIG. 7B, even if the cooking container to be used is a cooking container 72 made of a material whose side surface is difficult to attract magnets, although electromagnetic heating cooking itself is possible. The temperature sensor 12C is mechanically brought into close contact with the side surface, thereby enabling temperature detection.

  That is, the temperature sensor 12C is common to the above-described temperature sensor 12B in that the structure and function of the temperature sensor 12C and the position of the temperature sensor 12C are arranged on the distal end side of the arm member 11C that moves the distal end side up and down in the elevation direction. As shown in (A), the arm member 11C is provided with an opening / closing arm 141 whose inner side surface in the longitudinal direction is opened and whose proximal end is pivotally supported by a shaft 117 and can be opened and closed. A temperature sensor 12 </ b> C is disposed on the distal end side of the open / close arm 141.

  As shown in FIG. 8 (B), the arm member 11C opens the opening / closing arm 141 at the time of temperature detection and presses the temperature sensor 12C against the side surface of the cooking container 72, and the opening / closing arm 141 An opening spring 116 is disposed on the base end side and is biased in a direction to open the tip end. Usually, the tip end is hooked at a closed position by a hooking claw 114 and is accommodated in the arm member 11C. Yes.

  When the arm member 11C tip is lifted to a predetermined height and then the temperature sensor 12C is pulled in the opening direction to release the latched state, the opening operation is performed by the elastic repulsive force of the opening spring 116, and the universal joint 115 is operated in multiple directions. The temperature sensor 12 </ b> C connected to be swingable is pressed and fixed to the side surface of the cooking container 72. Therefore, the fixing operation of the temperature sensor 12C to the side surface of the cooking container 72 is extremely easy. If the pressing force is sufficiently exerted, the cooking container to be used can be used even if it is a material that does not magnetically adsorb, and temperature detection is possible even if the adhesion surface does not exhibit magnetic attraction. It will be possible.

  FIG. 9A is a plan view showing an example of the electromagnetic cooking device of FIG. 1B, and FIG. 9B is a right side view of FIG. The electromagnetic cooker 1D according to the present embodiment also has a main body portion that has substantially the same configuration as the electromagnetic cooker 1A of FIG. 2, but the temperature sensor that detects the temperature from the side of the cooking container is a disk-shaped temperature sensor 12A. Instead, it is characterized by a stick-shaped temperature sensor 12D.

  That is, also in this electromagnetic cooker 1D, the second temperature sensor 12D that detects the temperature from the side of the cooking container is a string-wound spring-like cord that elastically expands and contracts in the longitudinal direction as shown in FIG. 13 is connected to the main body 10A, and the cord 13 is housed in a chopstick box-like cord storage body 11D in which the longitudinal direction is horizontal and the left side surface is closely fixed to the right side surface of the main body 10A. On the other hand, since the temperature sensor 12D has a stick shape instead of a disk shape, the longitudinal direction coincides with the longitudinal direction while connecting the base end side to the connecting structure on the back side (rear side) of the cord storage body 11D. Is arranged.

  And this stick-shaped temperature sensor 12D detects the internal temperature in the cooking container 73 (refer FIG.9 (C)) provided with the inside-and-outside communication hole 73c for ventilating in side surfaces, such as a low-temperature steam cooking pan. It is mainly assumed, and has a temperature detection body 52 made of a metal linear member having a temperature detection element with the front end side as a temperature detection unit, and the base end side is made of resin and has a temperature. A grip 125 having a diameter larger than that of the detection body 52 is provided, and the cord 13 is connected thereto. In addition, a hook-like connection structure formed in two steps, which is wider in the centrifugal direction and larger in diameter than the grip part 125 for connecting to the connection structure on the cord storage body 11D side, is provided at the distal end side of the grip part 125. Is formed.

  Then, as shown in FIG. 9C, the temperature sensor 12D is removed from the tip of the cord storage body 11D, and the temperature detection body 52 is horizontally inserted into the inner and outer communication holes 73c on the side surface of the cooking container 73 while extending the cord 13. 9D, temperature detection is performed at a position where the tip is advanced to near the center position of the cooking container 73.

  At this time, as shown in the partial enlarged view of the circle in FIG. 9C, the temperature sensor 12D is configured so that the bowl 125a constituting a part of the connecting structure on the distal end side of the gripping portion 125 is placed on the overlapping portion lower member of the cooking container 73 Is fitted into a groove 73b formed on the inner peripheral side of the belt-like peripheral wall portion 73a and the upper end side of the belt-like peripheral wall portion 73a is fitted into a groove 125b formed between the base end side flange 125c. The sensor 12D is supported and fixed horizontally.

  FIG. 10A shows an electromagnetic cooker 1E as a modified example of the electromagnetic cooker 1D described above. In this example, the temperature cooker 12E has a stick shape, and the electromagnetic cooker 1B of FIG. The electromagnetic cooker 1D is substantially the same as the above-described electromagnetic cooker 1D, except that the arm member 11E has a distal end that can move up and down in the elevation direction and the position and size of the opening extending the cord 13 are different. The configuration is almost the same.

  That is, as shown in FIG. 10 (C), by lifting the distal end side of the arm member 11E close to the height of the inner / outer communication hole 73c opened in the side surface of the cooking container 73 used for steam cooking such as low temperature steam cooking, The amount of the cord 13 exposed to the surface can be minimized, and it is easy to prevent the cord 13 from being damaged by touching the high heat part or being soiled with oil or the like during cooking.

  FIG. 11A is an enlarged cross-sectional view for explaining the detailed configuration of the arm member 11E and the temperature sensor 12E of the electromagnetic cooker 1E described above, but the temperature sensor 12E is the same as the temperature sensor 12D described above. In addition, the latching cutout 119 which is a connection structure on the support arm 11E side is the same as the connection structure of the cord storage body 11D described above.

  That is, the arm member 11E that can move up and down the tip side in the elevation direction has a predetermined range on the tip side of the left side surface as an opening 112b, and a hook 125a that is a connecting structure of the temperature sensor 12E on the tip surface. A latching cutout 119 having a width substantially the same as the outer diameter of the groove 125b for fitting the small diameter portion by the groove 125b formed between the holes 125b from the side is cut out from the opening 115 side and opened. In the connected state, the gripping portion 125 side of the temperature sensor 12E is hooked and fixed to the distal end side of the arm member 11E while the outer periphery of the latching notch 119 on the back surface of the arm member 11E is sandwiched between the flanges 125a and 125c. ing.

  At the time of temperature measurement, the tip end side of the arm member 11E is lifted to a predetermined height, and the temperature sensor 12E is slid in the removal direction of the latching cutout 119 as shown in FIG. The temperature detector 52 is inserted into the inner and outer communication holes 73c of the cooking container 73 while the cord 13 is extended, and the hook 125a is fitted into the groove 73b on the inner peripheral side of the belt-like peripheral wall 73a of the cooking container 73 and fixed. I am going to do it.

  FIG. 12A shows an electromagnetic cooker 1F as another modification of the electromagnetic cooker 1D described above. In this example, the temperature sensor 12F is disposed when the temperature sensor 12F is not used. In the groove 61a formed at a predetermined depth from the surface of the top plate 61 toward the center portion, the temperature detector 12F is used. It is characterized in that it is in a state where 52 is accommodated.

  In this example, the temperature sensor 12F includes a fixed claw in which a grip 126 having a diameter larger than that of the linear temperature detector 52 protrudes upward at the position of the upper surface of the outer periphery of the top plate 61 and is opposed thereto. Since the temperature detecting body 52 is fitted in the groove 61a on the top plate 61 in a state of being fitted and fixed in 62, the cord 13 connecting the temperature detecting body 52 to the main body 10A slightly extends and is in a stable state where it does not sag. Therefore, storage means such as the cord storage body 11D in FIG. 9 is not necessary.

  At the time of temperature detection, the temperature sensor 12F is removed from the fixed claw 62, and the cord 13 is further extended and applied to the target detection position. As is well known, when a metal product such as a spoon is placed on the top plate of an electromagnetic cooker, the temperature sensor 12F may be reddish. It is preferable to leave the position away from 61.

  However, the temperature detector 52 is made of a material and shape that are unlikely to cause an excessive temperature rise during cooking by electromagnetic heating, and the arrangement position and direction thereof are influenced by an alternating magnetic field depending on the arrangement of the coils in the electromagnetic cooker. If accurate temperature detection and safety are ensured by making the position and state difficult, it can be placed on the top plate 61 even during cooking. In this case, the top plate 61 is in that state. It is also possible to directly detect the bottom surface temperature of the cooking container placed on top.

  FIG. 13A shows a temperature sensor 12G as a variation of the stick-shaped temperature sensor in each of the electromagnetic cookers of FIGS. In this example, as shown in FIG. 13B, a flange 127a having a diameter larger than that of the aforementioned flanges 125a and 125c is formed near the temperature detection body 52 at the front end side of the grip portion 127 of the temperature sensor 12F. It is characterized in that a conical portion 127b having a concavity is formed in a portion following the detection body 52.

  As a result, as shown in a partially enlarged view in the circle of FIG. 13C in use, the taper is continuously tapered from the base end side of the temperature detecting body 52 having a smaller diameter than the inner diameter of the inner and outer communication holes 73c on the side surface of the cooking container 73. The middle portion of the conical portion 127b that is formed and has a diameter larger than the inner diameter of the inner and outer communication holes 73c is in close contact with the inner periphery of the inner and outer communication holes 73c, and the outer peripheral portion of the flange 127a is inserted into the groove 73b while the band-shaped peripheral wall Since the contact portion 127 is in contact with the step portion formed on the inner peripheral surface of the portion 73a, the grip portion 127 is more stably fixed, and the inserted temperature detecting body 52 is more stably supported in a horizontal state.

  FIG. 14A shows a temperature sensor 12H as an application example of the above-described temperature sensor 12G. In this example, the temperature detecting body 52 which is linear is bent as a temperature detecting body 53 bent at a predetermined angle at a midway position, and a circular collar 127a is formed as a polygon 128 such as a square as shown in FIG. As shown in FIG. 5, the base end surface is characterized in that one side of the flange 127a is made to coincide with the bent side of the temperature detecting body 53 and a predetermined mark 1281 is displayed.

  As a result, as shown in FIG. 14C, the height position on the tip side where the temperature detection element is located is changed in three stages while changing the bending direction of the temperature detection body 53 by manually rotating the grip portion 128 side. Can be adjusted. In this case, one side of the ridge 128a formed in a square (square) plate shape is in close contact with the horizontal step formed on the inner peripheral surface of the belt-like peripheral wall portion 73a, and the rotation angle is positioned and fixed. Therefore, the tip position of the temperature detection body 53 is stabilized, and the mark 1281 can easily recognize from the outside where the tip is facing.

  Further, for example, in low-temperature steam cooking, it is preferable to detect the steam temperature directly under the net on which the cooking object 73 is placed. When a stick-like temperature sensor is inserted in parallel below the net, There is a concern that the temperature of the temperature detection body 53 including the tip side is lowered by hitting a relatively low-temperature wrinkle dripped from the net, making it difficult to perform accurate temperature detection.

  On the other hand, by using the temperature sensor 12H with the distal end side of the bent temperature detection body 53 facing upward, the wrinkles that hit the bent side portion of the temperature detection body 53 quickly flow down to the proximal end side and downward at the bent portion. Since it falls or moves to the proximal end side, it is possible to minimize the temperature drop at the temperature detection point on the distal end side.

  As shown in FIG. 15 (A), the temperature detection body of the stick-shaped temperature sensor is inserted in one of the inner and outer communication holes opened on the side surface with almost no play, or the distal end side of the gripping part is inserted. For example, in the case of the cooking container 74 in which the support component 740 as a support structure for supporting the support structure 740 in a predetermined direction is provided in advance, no indication structure is required on the temperature sensor side.

  Alternatively, as shown in FIG. 15 (B), a cylindrical insertion portion 129a and a horizontally long contact portion 129b are provided on the distal end side of the grip portion 129 as constituting the same shape as the support component 740 of FIG. If it is set as the stick-shaped temperature sensor 12i, only by inserting this into the inner and outer communication holes of the cooking container 73, the horizontally long close contact portion 129b is inserted into the inner and outer communication holes and the tip end surface thereof is set to the side surface. Since it is fixed by being in close contact, the temperature detecting body is stably supported.

  As described above, with regard to the electromagnetic cooker, temperature control can be performed with high accuracy while responding to various situations without excessive cost increase and size increase according to the present invention.

  1A, 1B, 1C, 1D, 1E, 1F Electromagnetic cooker, 3 coils, 4, 5A, 5B, 12A, 12B, 12C, 12D, 12E, 12F, 12G, 12H, 12i Temperature sensor, 6,61 Top plate, 7A, 7B, 71, 72, 73, 74 Cooking container, 9A Electronic control means, 10A body, 11A, 11D code storage body, 11B, 11C, 11E, 11G Arm member, 13 code, 51, 52, 53 Temperature detection body 61a, 73b, 125b groove, 73a belt-like peripheral wall, 73c inner and outer communication holes, 113, 114 hooking claws, 116 opening springs, 117 shafts, 119 hooking notches, 120a hooking holes, 123a rubber magnet, 124 detection Body support member, 125, 126, 127, 128, 129 Grasping part, 125a, 125b, 127a, 128a 鍔, 12 9a Insertion part, 129b Adhering part, 740 Supporting parts

Claims (11)

  The cooking container and / or the cooking container detected by at least one temperature sensor by the control means while causing an alternating current to flow through a coil disposed under the top board to perform induction heating of the cooking container on the top board In an electromagnetic cooker that automatically controls temperature by controlling an energization state of the coil using internal temperature data, at least one of the temperature sensors includes a height of an inner bottom surface of the cooking container and a height of an upper end opening surface. In a state where it is arranged at a predetermined height position between the two, the temperature detection part is in close contact with the side surface of the cooking container from the side or inserted from the inner and outer communication holes opened in the side surface of the cooking container to the inside, An electromagnetic cooker characterized in that the temperature can be detected.   In the temperature sensor capable of detecting the temperature in a state where the temperature detection unit is in close contact with the side surface of the cooking container, at least the outer edge side portion of the member constituting the contact surface with respect to the side surface or the member supporting the member is the side surface. The electromagnetic cooker according to claim 1, wherein the close contact surface is brought into close contact with the side surface while being deformed according to the curved surface shape.   The temperature sensor capable of detecting the temperature in a state in which the temperature detection unit is in close contact with the side surface of the cooking container has the temperature detection unit supported at the center of an elastically deformable disc-shaped resin member, and the temperature detection unit The tip surface protrudes from the contact surface on the outer peripheral side, and the portion supporting the temperature detection part of the disk-shaped resin member is attached to the side surface by bringing the contact surface on the outer periphery side into close contact with the side surface. The electromagnetic cooker according to claim 2, wherein the tip end surface is pressed against the side surface while being elastically deformed in an immersion direction.   The temperature sensor capable of detecting the temperature in a state where the temperature detection unit is in close contact with the side surface of the cooking container is a magnet material for adsorbing and fixing at least a part of the adhesion surface to the side surface to the side surface of the magnetic body The electromagnetic cooker according to claim 1, 2, or 3, characterized by comprising:   The temperature sensor capable of detecting the temperature in a state in which the temperature detection unit is in close contact with the side surface of the cooking container has a predetermined heat insulating structure in the thickness direction from the contact surface to the side surface, and the heat dissipation from the side surface The electromagnetic cooker according to claim 2, 3 or 4, characterized in that the amount is reduced as compared with other parts.   The temperature sensor capable of detecting the temperature in a state where the temperature detection unit is inserted into the inside through the inside / outside communication hole opened on the side surface of the cooking container is a stick-shaped temperature sensor in which the tip side of the linear member is a temperature detection unit. The linear member is supported at a predetermined angle by a predetermined support structure in a state in which the linear member is inserted into the inner and outer communication holes from a side to a predetermined depth. Electromagnetic cooker.   The stick-shaped temperature sensor has a cylindrical grip portion formed on the proximal end side of the linear member and having a diameter larger than that of the linear member, and the grip portion and the linear member. The support structure that is wider in the centrifugal direction than the gripping part that supports the linear member while being in contact with or hooking to a predetermined side surface of the cooking container is formed therebetween. Item 6. An electromagnetic cooker described in item 6.   The support structure of the temperature sensor includes a bowl-shaped part having a diameter larger than that of the grip part, and in the inserted state, the outer edge side of the bowl-shaped part is formed below the inner and outer communication holes on the side surface of the cooking container. The electromagnetic cooker according to claim 7, wherein at least a base end side of the linear member is horizontally supported by being in contact with an upper surface or being inserted into a groove formed in the step.   The stick-shaped temperature sensor is a linear member obtained by bending a linear member at a halfway position in the longitudinal direction by a predetermined angle, and the linear member is disposed on the grip portion or the hook-shaped portion on the base end side. It is possible to change the orientation and height position of the bent linear member distal end side as an angle adjustment means for positioning the angular position in the direction around the axis on the proximal end side in a plurality of orientations. The electromagnetic cooker according to claim 7 or 8, characterized in that.   The temperature sensor disposed at a predetermined height position between the height of the inner bottom surface of the cooking container and the height of the upper end opening surface is a predetermined outer peripheral surface of the electromagnetic cooker body that is rectangular in plan view and thin when not in use. The arm member is supported on the distal end side of the arm member pivotally supported at the position, and the arm member is substantially horizontal with one side surface in close contact with or close to the outer circumferential surface in a direction along one side of the square. It is assumed that the temperature is detected at a predetermined detection position by removing the arm member from the distal end side in a state where the distal end side of the arm member is lifted in the elevation angle direction. The electromagnetic cooking device according to claim 1, 2, 3, 4, 5, 6, 7, 8 or 9. The temperature sensor disposed at a predetermined height position between the height of the inner bottom surface of the cooking container and the height of the upper end opening surface is connected to the main body of the electromagnetic cooker via a predetermined wireless communication means. The electromagnetic cooking according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10, wherein the detection data is transmitted to the main body of the electromagnetic cooking device. vessel.

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