JP5759861B2 - Cooker - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a cooking device for storing an object to be cooked such as fish in a cooking cabinet and baking it by controlling upper and lower heaters based on detection of door opening / closing and temperature detection in the cooking cabinet.

  In this type of conventional cooking device, a grill net is placed on a saucer, a heated object such as fish is placed on the grill net, and these are stored in a cooking cabinet and provided above and below the cooking cabinet. In general, heating is performed by an upper / lower heater, and the temperature in the cooking chamber is detected by a thermistor to bake the object to be heated.

  In addition, a drawer-type door is provided in front of the cooking chamber, and the tray and the grill are simultaneously pulled out by the door drawer and can be taken out.

  When cooking fish or the like with this type of cooking device, the cooking operation is performed with the door completely closed. In some cases, the door is opened for a short time during the cooking operation to check the baking. However, if the door is accidentally opened for a long time during cooking operation due to forgetting to close the door, etc., there is a risk of hand touching the hot parts such as grills, saucers, heaters, etc. to burn. There may also be cases where heating control is not performed properly.

  In order to prevent such problems, Patent Document 1 discloses a cooking device that detects opening of a door during operation and performs heating control. The microwave oven described in Patent Document 1 is provided with a safety device for preventing microwaves from being supplied to the cooking chamber 3 with the door 7 opened. The safety device includes a latch member 13 provided on the door 7 side so as to be coupled to the hook hole 11 provided in the opening area of the front surface of the cooking chamber 3, and a pair of hook members 11 formed to be hooked on the hook hole 11. The safety switch includes a first door switch 45 that has a hook 15 and is opened and closed according to opening and closing of the door 7, a second door switch 47 that can be opened and closed according to an input control signal, and a first door. A switch 45 and a monitor switch 49 that performs the reverse operation are provided, and when the door 7 is closed, the hook 15 enters through the hook hole 11 to operate the safety switch.

JP 2004-317120 A

  In the microwave oven of Patent Document 1, since the door 7 is provided with a hinge so as not to leak microwaves from the door, the door 7 does not move up and down and left and right when the door 7 is closed. Therefore, when the door 7 is closed, the hook 15 provided in the door 7 and the hook hole 11 provided in the opening area on the front surface of the cooking chamber 3 do not collide with each other.

  However, the oven doors such as fish grills are pulled forward to open the front opening of the cooking chamber, and the oven doors are pushed inward to close them. There is a problem that the left and right blurs are larger than the doors that are opened and closed by fixing the doors with the hinges. Therefore, when a hook hole is provided in the front opening of such a cooking chamber and a hook is provided on the oven door side, when the worst oven door is closed, the hook interferes with the hook hole and closes the oven door smoothly. There is a problem that cannot be done.

The present invention has been made to solve the above-described problem, and is provided in a cooking chamber provided in a main body of a heating cooker and provided with a front opening having a front opening, and the front opening of the cooking chamber. A front grill provided around, an indented portion provided in the front grill and recessed in a substantially bowl shape inside the main body, an oven door closing the front opening of the cooking chamber, and a movable side connected to the oven door; A slide rail having a fixed side that is taken in and out and fixed to the outside of the cooking chamber, a tray that moves in and out of the cooking chamber in conjunction with the oven door, and the oven door that is provided on the oven door and closes the oven door A door projection having a generally concave shape that is housed in conformity with the recess when the main body is provided with a door switch having a hole formed in the center of the recess and protruding from the hole. provided on the inside, the The switch includes a switch that outputs an on / off signal according to the operation of the actuator, a lever that is rotatably inserted into the rotation shaft, and that has an action portion that pushes the actuator and an operation portion that has the convex portion at the tip thereof. , Is composed of .

  According to the present invention, the oven door can be smoothly closed.

It is a perspective view of the state where the cooking-by-heating machine of one example was stored in the system kitchen. It is AA sectional drawing in FIG. FIG. 3 is a detailed view around the cooking chamber of FIG. 2. It is explanatory drawing of the lower heater periphery incorporated in the cooking chamber of one Example. It is explanatory drawing of the state which opened the oven door from the cooking chamber of the heating cooker. It is BB sectional drawing of FIG. 5 explaining the door switch of the heating cooker. It is explanatory drawing of the door switch of the state which the oven door of the same heating cooker opened. It is explanatory drawing of the door switch of the state which closed the oven door of the heating cooker. It is explanatory drawing by the side of the cooking chamber of the oven door of the heating cooker. It is explanatory drawing of the state which removed the oven door from the cooking chamber of the heating cooker. It is an operation | movement block diagram of the heating cooker. It is an operation | movement flowchart figure of the heating cooker.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

  In FIG. 1, the main body 2 of the heating cooker is installed by dropping from the upper surface of the system kitchen 1, and after the installation, an oven (roaster) 4 to be described later of the main body 2 and an operation unit panel 5 for kangaroo storage are installed in the system kitchen 1. It can be operated from the front. The operation unit 5a of the operation unit panel 5 mainly performs power on / off of the oven 4, menu selection / setting, and operation.

  A cooking pan (not shown) for cooking is placed on a plate 3 made of heat-resistant glass or the like disposed on the upper surface of the main body 2, and the peripheral end surface of the plate 3 is protected by a plate frame 11. .

  A placement unit 6 is drawn on the plate 3, and cooking can be performed by placing a cooking pan on the placement unit 6. The placement unit 6 includes a placement unit right 6a on the right before the upper surface of the plate 3 and a placement unit left 6b on the left, and a placement unit in the back (center rear) between the placement units 6a and 6b. A center 6c is arranged. And the heating coil unit 13 (FIG. 2) for heating a cooking pot is installed in the upper part in the main body 2 so that it may be located under each mounting part 6 on both sides of the plate 3. As shown in FIG.

  In addition, an upper surface operation unit 9 and an upper surface display unit 10 located on the back side of the plate 3 are provided on the front side of the plate 3, and the upper surface operation unit 9 mainly operates the heating coil unit 13.

  Inside the main body 2, the heating coil unit 13 that is the above-described heat generating component, an electronic component, and a cooling fan (both not shown) for cooling these heat generating components are arranged. The rear upper surface of the main body 2 has an intake port 7 that sucks outside air by driving a cooling fan, and an exhaust port 8 that discharges waste heat after cooling the heating coil unit 13 that is a heat-generating component and electronic components to the outside of the main body 2. Is provided. Note that waste heat of the oven 4 described later is also discharged from the exhaust port 8 at the same time.

  The oven 4 opens to the front and is used to bake heated objects such as fish, meat, and pizza, and is disposed on the left or right side of the front surface of the main body 2 (in this embodiment, disposed on the left side of the main body 2). Have been). The opening on the front surface of the oven 4 is opened and closed by an oven door 12 which is a door. The oven is sometimes called roaster or grill.

  Next, details of the oven 4 will be described with reference to FIGS. 2, 3, and 4. In FIG. 2, the cooking chamber 14 in which the front opening 14 a is closed by the oven door 12 has a box shape with the front opened, and is disposed below the heating coil unit 13. Upper and lower heaters 15 (upper heater 15a and lower heater 15b) made of a heating element such as a sheathed heater are installed in the upper and lower parts inside.

  Behind the upper part of the cooking chamber 14 are provided a catalyst 44 for reducing the odor of exhaust and a catalyst heater 45 for maintaining the catalyst 44 at a high temperature. The catalyst heater 45 is a sheathed heater of about 30 W.

  Moreover, in FIG. 3, the upper heater 15a is fixed to the upper surface of the cooking chamber 14 via the fixing bracket 16, and is also fixed to the rear wall 14b.

  The lower heater 15b is provided with a heater presser bracket 18 that integrally connects heaters that spread in the left-right width direction of the cooking chamber 14 on the front side. A heater fitting 17 is attached in the vicinity of the heater terminal 15b1 of the lower heater 15b, and the heater fitting 17 passes through a hole (not shown) in the rear wall 14b of the cooking cabinet 14 and is outside the cooking cabinet 14 on the rear wall 14b. The heater holding metal fitting 19 is fixed.

  The support tool 20 is fixed across the lower part outside the cooking chamber 14 and the rear wall 14b.

  The support tool 20 is substantially the same as the depth dimension of the cooking chamber 14, and the front side extends to the front of the cooking chamber 14 to secure a space in which an arm 23 and an operation lever 24 to be described later can move.

  A pin 21 is rotatably fixed to a hole (not shown) on the side surface of the support 20 and a hole (not shown) on the side surface of the heater holding bracket 19.

  Therefore, the lower heater 15b is fixed to be rotatable about the pin 21 provided on the support 20 via the heater holding metal 19 as a rotation axis.

  A heater receiver 22 is provided on the side surface of the cooking chamber 14, and a heater retainer 18 provided on the lower heater 15b is mounted on the heater receiver 22, and the front side of the lower heater 15b is moved by the weight of the lower heater 15b in a rotatable state. support.

  The heater holding bracket 19 is provided with a bearing portion 19a having a C-shaped notch below the pin 21 which is a pivot shaft with the support 20 at the bent portion 19b on both sides at the rear side.

  A shaft portion 23a provided at one end 23b of an arm 23 connected to an operation lever 24 described later is attached to the bearing portion 19a.

  In FIG. 4, a lever guide 35 is provided on the front side of the support 20. The lever guide 35 is provided with a laterally elongated hole 35 a formed in the rising portion 35 b. The acute-angled triangular operation lever 24 has one end 24a on the narrow side inserted into the lever guide 35, and one portion of the base 24b on the wide side is fixed to the support 20 so as to be rotatable about a stepped screw 36. .

  The other end 23 b of the arm 23 is locked in a hole 24 c provided at a position adjacent to the screw 36 on the bottom side of the operation lever 24 on the wide side.

  It is pushed up and supported by a spring 25 provided in the support tool 20.

  One end 24a of the operation lever 24 inserted into the lever guide 35 is disposed in the lower part of the oven door 12, and a space for accommodating the operation lever 24 is provided in the lower part of the oven door 12 so that the oven door 12 is closed. The operation lever 24 is not visible from the front side of the main body 2.

  5, 9, and 10, the fixed side of the slide rail 27 is fixed to the lower outside of the cooking chamber 4, and the movable side tip is connected by a connecting member 32 so that the left and right movable sides are put in and out in synchronization. Inside the connecting member 32, there is provided a tray receiver 26 that is substantially U-shaped and is made of a bar, and that is welded and fixed to the connecting member 32 at both ends. The slide rail 27, the connecting member 32, and the tray receiver 26 are referred to as a rail member 33.

  On the tray receiver 26, a grill 29 on which the object to be heated 30 is placed is placed, and a tray 28 that receives oil and moisture from the object to be heated 30 is placed thereon. The oven door 12 is detachably fixed by being hooked on a claw provided on the connecting member 32. When the oven door 12 is hung and pulled out, the slide rail 27 slides, and the tray receiver 26, the tray 28 and the grill net 29 are pulled out to take up the object 30 to be heated.

  Next, the door switch 40 that detects opening and closing of the oven door 12 provided in the oven 4 will be described with reference to FIGS.

  In FIG. 5, the oven 4 includes a front grill 41 as an outer member around the front opening 14 a of the cooking chamber 14 whose front is opened. The oven door 12 is detachable from the rail member 33 and is pressed against the front grill 41 to close the front opening 14 a of the cooking chamber 14. A door switch 40 which will be described later is provided inside the upper right side of the front grill 41.

  6 is a cross-sectional view taken along the line B-B of FIG. 5, FIGS. 7 and 8 are enlarged views of the door switch 40, and FIG. 9 is an explanatory view of the oven door 12.

  6, 7, and 8, a flat switch fixing tool 40 a is fixed to the main body 2, and the switch 40 c is placed on the switch fixing tool 40 a and fixed with a claw or the like.

  FIG. 7 is an explanatory diagram of the door switch 40 in a state where the oven door 12 is opened, and FIG. 8 is an explanatory diagram of the door switch 40 in a state where the oven door 12 is closed.

  The switch fixture 40a is provided with a shaft 40h in front of the actuator 40b of the switch 40c. A T-shaped lever 40d having a hole 40j to be inserted into the shaft 40h is rotatably fixed to the switch fixture 40a.

  The lever 40d includes an action part 40e that pushes the actuator 40b, and an action part 40f that is provided in a direction orthogonal to the action part 40e and the rotation axis, and a forward cylindrical protrusion 40g at the tip of the action part 40f. Is provided.

  Alternatively, the lever 40d may be provided with a shaft, and the switch fixture 40a may be provided with a hole for inserting the shaft of the lever 40d so that the lever 40d can rotate.

  The front grill 41 includes a substantially bowl-shaped dent 41 b provided with a hole 41 a at the approximate center of the portion recessed toward the inside of the main body 2. The operating portion 40f of the lever 40d is disposed inside the recessed portion 41b, and the convex portion 40g at the distal end of the operating portion 40f is disposed at a position protruding from the hole 41a when the operating portion 40e is not pushed into the actuator 40b. And in the state which acted part 40e pushed actuator 40b like FIG. 8, the convex part 40g at the front-end | tip of the action | operation part 40f is arrange | positioned in the position accommodated in the hole 41a. On / off of the switch 40 c of the door switch 40 is input to the control unit 100.

  Next, as shown in FIG. 9, the oven door 12 is provided with a door protrusion 12 a having a shape in which a substantially wrinkle (a shape that does not include the yarn bottom peculiar to the bowl) is turned down.

  The door protrusion 12a is provided by extending a steel plate constituting the inside of the oven door 12 by drawing. Then, when the oven door 12 is closed, the door protrusion 12a is dimensioned to be accommodated in the recess 41b provided in the front grill 41, and the door protrusion 12a protrudes from the hole 41a of the recess 41b. 40 g is pushed into the hole 41a.

  That is, the front opening 14a of the cooking chamber 14 is closed by combining the front plane 41c of the front grill 41 in FIG. 10 and the flat plane 12b of the steel plate constituting the inside of the oven door 12 in FIG.

  Of course, the door protrusion 12a may be provided by fixing another component such as a resin component or screws on the member constituting the inside.

  When the oven door 12 is closed to the front grille 41, in the state shown in FIG. 8, the door protrusion 12a pushes the protrusion 40g at the tip of the operating portion 40f protruding from the hole 41a of the recess 41b into the hole 41a. The action part 40e pushes the actuator 40b, the switch 40c is turned on, and the control part 100 is turned on.

  When the oven door 12 is opened from the front grille 41, the protrusion 40g pushed into the hole 41a of the recess 41b in the state shown in FIG. 7 causes the door protrusion 12a to move away from the recess 41b. Then, the action part 40e is rotated by the repulsive force of the actuator 40b, the switch 40c is turned off, and the control part 100 is turned off. And since the action | operation part 40f rotates, the convex part 40g at the front-end | tip of the action | operation part 40f protrudes from the hole 41a from the hole 41a.

  FIG. 10 is a front view of the oven 4 with the oven door 12 removed from the front. A temperature detector 50 that detects the temperature of the cooking chamber 14 and inputs the temperature to the control unit 100 is provided on the right side surface of the cooking chamber 14. Reference numeral 46 denotes a warning display unit that is lit to notify when the temperature of the cooking chamber 14 is high (for example, over 60 ° C.). A sound warning means 51 is provided at the back of the operation panel 5 to issue a sound and warn.

  The present embodiment is configured as described above, and its operation will be described with reference to FIGS.

  In order to start cooking, the oven door 12 is pulled out and the tray 28 and the grill 29 placed on the tray 28 are taken out. Then, the oven door 12 is pushed in to close the front opening 14 a of the cooking chamber 14 in order to put the heated object 30 such as fish on the grill 29 and put it in the cooking chamber 14 to start cooking.

  The oven door 12 is not greatly affected by the weight of the object to be heated 30 such as the tray 28, the grill 29 and the fish by the slide rail 27, and can be pulled out and pushed in smoothly. When the oven door 12 is closed, the substantially saddle-shaped recess 41b provided on the front grille 41 receives the door projection 12a having a substantially concave shape provided on the oven door 12, so that the oven door 12 Even if it shakes up and down and left and right, the door protrusion 12a slides on the side surface of the recess 41b to correct the shake of the oven door 12 and close the oven door 12.

  Next, the operation of the door switch will be described with reference to FIG.

  First, the relationship between the closing of the door and the start of cooking operation and the operation by opening and closing the door when the cooking chamber is hot after cooking will be described.

  With the object 30 to be heated placed on the grill 29 and the oven door 12 closed, the cooking menu is selected by the operation unit 5a.

  In step S1, in the step of detecting the start of cooking, the cooking operation is started by pressing the operation switch when the cooking operation switch is turned on.

  In step S2, the opening / closing of the oven door 12 is detected by the door switch 40 in the step of detecting the opening / closing of the oven door 12. If the oven door 12 is open, the determination is “No” and the process proceeds to the audio warning 1 in step S8.

  In step S8, the voice warning means 51 informs that the oven door 12 is open by issuing a voice prompting the door to be closed. Then, the operation is forcibly terminated without accepting the operation, and the process is terminated in step S9. In other words, when the door switch 40c detects that the door is open, if the operation unit 5a starts the cooking operation, the voice warning means 51 issues a voice warning and the cooking operation is not started.

  Next, when it is detected by the process S2 that the oven door 12 is closed, the determination of “Yes” is made and the process proceeds to the process S3 to start the cooking operation. And cooking is started.

  Step S4 is a step of detecting opening / closing of the oven door 12 during cooking. When the opening of the oven door 12 is detected during cooking, the process proceeds to step S12, and when the cooking time necessary for cooking has elapsed, the process proceeds to the next step S5 (timer cooking or cooking from the operation unit 5a is completed). By operation).

  In step S6, the temperature of the cooking chamber 14 is detected by the temperature detector 50 in the step of monitoring the temperature of the cooking chamber 14. As a result of the detection, if the temperature of the cooking chamber 14 is high (for example, exceeds 60 ° C.), “Yes” is determined and the process proceeds to step S21. If not, “No” is determined, and the process proceeds to step S7 and the present process ends. To do.

  However, when it is determined that the temperature is high and the process proceeds to step S21, the step S21 is a step for displaying a warning display unit 46 to call attention to high temperature.

  In the next step S10, the opening / closing of the oven door 12 is detected. If the oven door 12 is closed, the process returns to step S6 with "Yes". If the oven door 12 is open, the answer is “No”, and the process proceeds to the voice warning 3 in step S11, and the voice warning means 51 issues a voice warning 3 (for example, “The oven is hot. Please be careful.”). And it returns to process S6.

  That is, even after the cooking is finished, when the temperature detector 50 detects a predetermined temperature or higher, a warning display is displayed on the warning display unit 46, and the oven door 12 is opened with the warning display displayed. When 40 detects that the door is open, the voice warning means 51 issues a voice warning 3.

  Further, when the oven door 12 is opened and the door switch 40 detects that the door is open, even if the oven door 12 is once closed, an audio warning is issued every time the oven door 12 is opened while the inside of the cooking cabinet 14 is hot. It is assumed that the sound warning 3 is issued by the means 51.

  Next, the operation in the case where the oven door 12 is temporarily opened during cooking to see the baking condition of the article 30 to be heated, the seasoning amount is added, or the orphan door 12 is opened during the cooking process will be described. .

  In the step of detecting opening / closing of the oven door 12 during cooking in step S4 during cooking, if the oven door 12 is opened, the answer is “No” and the process proceeds to step S12.

  Step S12 is a step of monitoring the time during which the oven door 12 is opened for a short time in order to see how the object 30 is baked. In step S12, the timer 100a is activated to start measuring the elapsed time t, and at the same time, the opening / closing of the oven door 12 is detected, and it is determined whether the oven door 12 is open for less than a predetermined time T1. Then, when the closing time of the oven door 12 is detected and the elapsed time t during which the oven door 12 is open is less than the predetermined time T1, the process proceeds to “Yes”, the time measurement of the timer 100a is deleted, and the process returns to cooking.

  If the elapsed time t during which the oven door 12 is open is equal to or longer than the predetermined time T1, the process proceeds to “No” and proceeds to the voice warning 2 in step S13. , Please close the door. ”), And in step S14, a warning display is displayed on the warning display unit 46. In step S16, the upper and lower heaters are energized to continue cooking. The energization of the catalyst heater is continued, the heated object 30 in the cooking chamber 14 is heated, and the deodorization / dehumidification process is continuously performed at the same time as the cooking is continued.

  In step S17, when the opening / closing of the oven door 12 is detected. If the oven door 12 is closed, the process proceeds to step S15 with "Yes", and the warning display displayed on the warning display unit 46 in step S14 is turned off and cooking is performed. Return inside. If the oven door 12 is further open, the process proceeds to step S18 with “No”.

  In step S18, the elapsed time judgment process for monitoring the time when the object 30 is baked or monitoring the time during which the seasoning is added to the object 30 is measured from the elapsed time T1 reached in step S12. The timer 100a to be operated is operated. If the elapsed time t during which the oven door 12 is open is less than the predetermined time T2, the process proceeds to “Yes” and returns to step S17. If the elapsed time t during which the oven door 12 is open has exceeded the predetermined time T2, the process proceeds to “No”. In step S19, the upper / lower heaters 15a, 15b are turned off by turning the upper / lower heaters off and the catalyst heaters off to stop cooking. And the catalyst heater 45 is turned off. Then, an error is displayed on the operation unit 5a or the upper surface display unit 9 in order to display an error in the error process of step S22. And it progresses to completion | finish of process S20 and complete | finishes all processes.

  As described above, according to this embodiment, the oven door 12 can be smoothly closed.

2 Main body 5a Operation unit 12 Oven door 12a Door projection 14 Cooking chamber 14a Front opening 15 Upper / lower heater 15a Upper heater 15b Lower heater 28 Dish 29 Grill net 33 Rail member 40 Door switch 40c Switch 40d Lever 40g Projection 41 Front Grill 41a Hole 41b Recess 46 Warning display 50 Temperature detector 51 Audio warning means 100 Control unit 100a Timer

Claims (1)

A cooking chamber provided in the main body of the heating cooker and provided with a front opening with an open front,
A front grill provided around the front opening of the cooking chamber;
An oven door provided in the front grille and recessed in a substantially bowl shape inside the main body and the front door opening of the cooking chamber;
A movable rail connected to the oven door, and a slide rail consisting of a stationary side that is taken in and out of the movable chamber and fixed to the outside of the cooking chamber;
And saucer into and out of the cooking chamber in conjunction with the oven door,
A door protrusion having a generally face down shape that is housed in conformity with the recess when the oven door is closed.
A door switch having a hole in the center of the dent and protruding from the hole is provided in the body .
The door switch
A switch that outputs an on / off signal according to the operation of the actuator;
A lever that is rotatably inserted into a rotating shaft and includes an action portion that pushes the actuator and an operation portion that has the convex portion provided at a tip;
A cooking device characterized by comprising .