CN108420296B - Heating cooker, control system and method thereof - Google Patents
Heating cooker, control system and method thereof Download PDFInfo
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- CN108420296B CN108420296B CN201810292161.0A CN201810292161A CN108420296B CN 108420296 B CN108420296 B CN 108420296B CN 201810292161 A CN201810292161 A CN 201810292161A CN 108420296 B CN108420296 B CN 108420296B
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- door body
- door
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Electric Ovens (AREA)
Abstract
The invention provides a heating cooker and a control system and a control method thereof, wherein the method comprises the steps of detecting whether a door key is operated or not; when a door key is operated, acquiring an initial position of a door body; under the driving action of a door body driving motor, the door body rotates within a preset time; acquiring the end position of the door body; and judging whether the door body opens or closes the opening according to the initial position and the end position. According to the technical scheme, the door body can automatically open or close the opening, and can automatically stop rotating after the door body is in place, a user does not need to touch the door body or additionally arrange a button for controlling the door body to stop rotating, the problems of scalding and the like caused by the fact that the user carelessly touches the door body are avoided, the use convenience of the user is improved, and the grade of a product is improved.
Description
Technical Field
The present invention relates to the field of kitchen appliances, and in particular to a method for controlling a heating cooker, a system for controlling a heating cooker and a heating cooker.
Background
Generally, as shown in fig. 1, a heating cooker such as a microwave oven has a rectangular parallelepiped shape, and includes a heating chamber for placing food to be heated and a door body capable of closing the cooking chamber from an opening in the front of the heating chamber. The door body is generally of a side-pull or pull-down type door opening structure, that is, the door body can be opened in a side-rotating or downward-rotating manner by taking the opening side edge or the lower edge as an axis.
In addition to such a conventional heating cooker of a rectangular parallelepiped shape, a cylindrical heating cooker has been also found in the prior art. Cylindrical heating cookers are popular with users because of their unique appearance that provides the user with a new experience. The cylindrical heating cooker can be provided with a side-pull type door opening mode like the above mode, and can be also adapted to a cylindrical cavity, so that the door body can slide laterally relative to the cavity to realize the opening and closing of the door.
The inventor finds that the door opening modes need manual mechanical heavy-duty action to realize the door opening function in the process of realizing the side-sliding type door opening and closing modes, the side-pulling type door opening and closing modes or the pull-down type door opening and closing modes, and the development trend that modern social products are gradually intelligentized cannot be adapted to.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, it is an object of the present invention to provide a method for controlling a heating cooker.
Another object of the present invention is to provide a system for controlling a heating cooker.
A third object of the present invention is to provide a heating cooker.
To achieve the above object, an aspect of a first aspect of the present invention provides a method for controlling a heating cooker including: a cavity having an opening; the door comprises a door body for opening or closing an opening, a door body driving motor for driving the door body to rotate, and a door button for controlling the door body driving motor, wherein the method comprises the following steps: detecting whether a door key is operated; when a door key is operated, acquiring an initial position of a door body; under the driving action of a door body driving motor, the door body rotates within a preset time; acquiring the end position of the door body; and judging whether the door body opens or closes the opening according to the initial position and the end position.
In this technical scheme, the open-ended is opened or is closed and realize through the door body at the automatic rotation of predetermineeing the time in, the door body is after rotating the predetermined time, door body driving motor automatic stop work, and then door body stall, both realize that the door body is automatic to be opened or close the opening, realized the door body again and target in place back automatic stop rotation, no longer need the user to touch the door body or set up control door body stall's button in addition, avoid because the scald scheduling problem that the user carelessly touched the door body and caused, not only increased the convenience that the user used, and the grade of product has been promoted. In addition, whether the door body normally opens or closes the opening can be judged according to the initial position and the end position of the door body, so that a user can accurately know the state of the door body, and when the opening is not normally opened or closed, the door body can be maintained and other processing operations can be performed in time.
In addition, the method in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical solution, preferably, the time T is preset0＝60/[(S1*N)/(S2*0.5)]Wherein S is1The number of teeth of door body driving gear on the door body driving motor is S2The number of teeth of the first rack on the door body is N, and N is the rotating speed of the door body driving motor.
In the above technical solution, preferably, the number of teeth S of the door driving gear1From 20 to 40.
In the above technical solution, preferably, the number of teeth S of the first rack is2Is 260 to 300.
In the above technical solution, preferably, the rotating speed N of the door body driving motor is 80r/min to 120 r/min.
In any of the above technical solutions, preferably, the number of teeth S of the door driving gear1Number of teeth S with respect to the first rack2The ratio of (1): 8 to 1: 12.
in any of the above technical solutions, preferably, a microswitch for controlling a functional circuit of the heating cooker is provided in the heating cooker, a trigger block is formed at a position on the door body corresponding to the first rack, and the trigger block triggers the microswitch when the door body rotates to a preset opening position.
An aspect of the second aspect of the present invention provides a system for controlling a heating cooker, the heating cooker including: a cavity having an opening; the door key for opening or closing the opened door body, the door body driving motor for driving the door body to rotate and the door key for controlling the door body driving motor comprises: a detection unit for detecting whether the door key is operated; the first acquisition unit is used for acquiring the initial position of the door body; the control unit is used for controlling the door body driving motor to rotate within a preset time; the second acquisition unit is used for acquiring the end position of the door body; and the comparison unit is used for judging whether the door body opens or closes the opening according to the initial position and the end position.
In this technical scheme, the open-ended is opened or is closed and realize through the door body at the automatic rotation of predetermineeing the time in, the door body is after rotating the predetermined time, door body driving motor automatic stop work, and then door body stall, both realize that the door body is automatic to be opened or close the opening, realized the door body again and target in place back automatic stop, no longer need the user to touch the door body or set up control door body stall button in addition, avoid because the scald scheduling problem that the user carelessly touched the door body and caused, not only increased the convenience that the user used, and the grade of product has been promoted. In addition, whether the door body normally opens or closes the opening can be judged according to the initial position and the end position of the door body, so that a user can accurately know the state of the door body, and when the opening is not normally opened or closed, the door body can be maintained and other processing operations can be performed in time.
In addition, the system in the above technical solution provided by the present invention may further have the following additional technical features:
in any of the above technical solutions, preferably, the preset time T is0＝60/[(S1*N)/(S2*0.5)]Wherein S is1The number of teeth of door body driving gear on the door body driving motor is S2The number of teeth of the first rack on the door body is N, and N is the rotating speed of the door body driving motor.
In the above technical solution, preferably, the number of teeth S of the door driving gear1From 20 to 40.
In the above technical solution, preferably, the number of teeth S of the first rack is2Is 260 to 300.
In the above technical solution, preferably, the rotating speed N of the door body driving motor is 80r/min to 120 r/min.
In the above technical solution, preferably, the number of teeth S of the door body driving motor1Number of teeth S with respect to the first rack2The ratio of (1): 8 to 1: 12.
in any of the above technical solutions, preferably, the method further includes: at least one microswitch for controlling the functional circuit of the heating cooker; and the at least one trigger block is formed at the position, corresponding to the first rack, on the door body, and when the door body rotates to a preset opening position, the trigger block triggers the microswitch.
A third aspect of the present invention provides a heating cooker including: the food heating device comprises a cavity body, a heating cavity and a heating device, wherein the heating cavity is formed in the cavity body and used for placing food, and an opening for the food to enter and exit is formed in one side of the heating cavity; the door body is arranged on the cavity and used for closing or opening the opening, and a first rack is formed on the door body; the door body driving motor is provided with a door body driving gear, and the door body driving gear extends to the door body and is meshed with the first rack to drive the door body to rotate; the system according to any one of the second aspects of the present invention is used for controlling a heating cooker.
In the technical scheme, the heating cooker adopts the system of the second aspect of the invention for controlling the heating cooker, the opening or closing of the opening formed at one side of the heating cavity is realized by the automatic rotation of the door body within the preset time, the door body driving motor automatically stops working after the door body rotates to the preset time, and then the door body stops rotating, so that the automatic opening or closing of the opening of the door body is realized, and the automatic stop of the door body after the door body is in place is also realized. In addition, the heating cooker also has any technical effect of the system, and the details are not repeated.
In addition, the heating cooker in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical solution, preferably, the cooking device further comprises at least one micro switch for controlling a functional circuit of the heating cooker; and the at least one trigger block is formed at the position, corresponding to the first rack, on the door body, and when the door body rotates to a preset opening position, the trigger block triggers the microswitch.
In any one of the above technical solutions, preferably, the door body includes: a semi-cylindrical door surface forming a see-through part; a lower movable guide rail formed in an annular shape, which fixes the door surface from below; an upper movable guide rail formed in a ring shape, which fixes the door surface from the upper side, and the door surface, the lower movable guide rail and the upper movable guide rail are connected into a whole; wherein, at least one trigger block is formed on the door surface or the lower movable guide rail.
In any of the above technical solutions, preferably, the cavity has a bottom wall constituting a bottom surface of the heating cavity; the cavity is also provided with a front plate at the outer side of the bottom wall, and a gap for embedding the door body is formed between the front plate and the bottom wall; one part of the lower movable guide rail is provided with a door surface, the other part of the lower movable guide rail is provided with an upward-protruding gap filling structure, the door surface closes or opens the opening along with the movement of the lower movable guide rail, and the gap filling structure fills the part of the gap which is not closed by the door surface.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a view showing a structure of a conventional heating cooker;
fig. 2 shows a closed state diagram of the heating cooker according to the embodiment of the present invention;
fig. 3 shows an open state diagram of a heating cooker according to an embodiment of the present invention;
FIG. 4 shows an exploded block diagram of a chamber according to an embodiment of the invention;
FIG. 5 is an exploded view illustrating a door body and a guide rail structure according to an embodiment of the present invention;
FIG. 6 illustrates a block diagram of a door body and rail structure according to an embodiment of the present invention;
FIG. 7 shows a structural view of a lower movable rail according to an embodiment of the present invention;
fig. 8 is a structural view illustrating a door body according to an embodiment of the present invention when the door body is located at an opening position;
fig. 9 shows a flowchart of a method for controlling a heating cooker according to an embodiment of the present invention;
fig. 10 is a block diagram showing a configuration of a system for controlling a heating cooker according to an embodiment of the present invention;
the correspondence between reference numerals and part names in fig. 2 to 10 is:
the detection device comprises a base 10, a cavity 20, a bottom wall 21, a top wall 22, a rear wall 23, a heating cavity 34, a front plate 36, a gap 37, a door body 50, a door surface 50a, a see-through layer 51 outside, a see-through layer 52 inside, a movable guide rail 54 on the lower side, a first rack 541, a gap filling structure 544, a groove 546, a fixed guide rail 55 on the lower side, a groove 552 on the lower side, a roller 56, a movable guide rail 57 on the upper side, a fixed guide rail 58 on the upper side, a door body driving motor 59, a door body driving gear 60, a microswitch 61, a trigger block 62, an upper cover 70, a 1002 detection unit, a first acquisition unit 1004, a 1006 control unit, a.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 2 to 10, fig. 2 is a schematic view of a heating cooker according to an embodiment of the present invention. Fig. 3 is a perspective view of the door 50 in an open state. As shown in fig. 2 and 3, the heating cooker mainly includes a base 10, in which a lower electric chamber (not shown) for mounting electric devices such as a power supply board, a magnetron, and a frequency converter is formed; a cavity 20, which is arranged on the base 10, and is internally provided with a heating cavity 34 for placing food, wherein one side of the heating cavity 34 is formed as an opening for food to enter and exit; a door 50 disposed on the cavity 20 for closing or opening the opening of the heating cavity 34; an upper cover 70, which covers the cavity 20 and forms an upper electrical chamber (not shown) for installing electrical devices such as a fan and a voice control module.
Fig. 4 is an exploded view of the chamber 20 and its associated structure according to the embodiment of the present invention. As shown in fig. 4, the chamber 20 mainly includes: a bottom wall 21, a top wall 22 and a rear wall 23 enclosing a heating cavity 34. The base 10 may be circular, quasi-circular, or rectangular with rounded corners, and the cavity 20 may be cylindrical, quasi-cylindrical, or cylindrical with a rectangular cross section with rounded corners, and the cavity 20 is illustrated as cylindrical in this embodiment.
In the present embodiment, the bottom wall 21 has a circular plate shape, the rear wall 23 has a substantially semicircular arc shape and is disposed along the outer periphery of the bottom wall 21, and the top wall 22 has a circular plate shape as well, and the outer periphery thereof is connected to the rear wall 23, whereby the bottom wall 21, the top wall 22, and the rear wall 23 form a heating chamber 34 having a front side (a side facing when the user operates the heating cooker) opened and a rear side closed, and the opening can be closed or opened by the door 50.
Fig. 5 is an exploded schematic view of a door 50 and its related structure according to an embodiment of the present invention. Fig. 6 is an assembled view of a portion of the components of fig. 5. As shown in fig. 5 and 6, the door 50 mainly includes: an outer see-through layer 51 formed in a substantially semi-cylindrical shape; an inner see-through layer 52 which is fitted to the outer see-through layer 51 and is also formed in a substantially semi-cylindrical shape; a metal mesh layer, which is also formed in a substantially semi-cylindrical shape, disposed between the outer see-through layer 51 and the inner see-through layer 52, has a plurality of through holes formed on the surface thereof to prevent microwaves from being transmitted from the heating cavity 34 through the outer see-through layer 51 and the inner see-through layer 52 under the microwave heating function, which together with the outer see-through layer 51 and the inner see-through layer 52 constitute the door surface 50 a.
A lower movable rail 54 formed in a substantially annular shape for fixing the door surface 50a formed by the outer see-through layer 51, the inner see-through layer 52, and the metal mesh layer from below; a lower fixed rail 55 for supporting the lower movable rail 54 from the lower side and/or the outer side, the lower fixed rail 55 being provided with a lower groove 552 (see fig. 5) in which the lower movable rail 54 slides, the lower movable rail 54 being slidably provided in the lower groove 552; the lower movable rail 54 can slide relative to the lower fixed rail 55 or be connected in a rolling manner by a plurality of rolling members (rollers 56) arranged between the lower movable rail and the lower fixed rail; an upper movable rail 57 formed in a substantially annular shape for fixing the door surface 50a from above; an upper fixed rail 58 for supporting the upper movable rail 57 from the upper side and/or the outside, the upper fixed rail 58 being provided with an upper groove (not shown) in which the upper movable rail 57 slides, the upper movable rail 57 being slidably provided in the upper groove; the upper movable rail 57 is slidable with respect to the upper fixed rail 58 or rollable by a plurality of rollers (not shown) provided therebetween.
Note that, in the figure, since the metal mesh layer is closely attached to the internal perspective layer 52, the structure of the metal mesh layer is not specifically shown in the figure.
In this embodiment, the door body sliding portion composed of the door surface 50a, the lower movable rail 54 and the upper movable rail 57 is slidable in the groove formed by the lower fixed rail 55 and the upper fixed rail 58 (door body non-sliding portion), and this groove type sliding structure can ensure both close contact of the sliding member with respect to the non-sliding member and moderate loose contact of the sliding member with respect to the non-sliding member, so that the door body can be ensured to be smooth during sliding and the door body can be prevented from sliding and wearing too fast and sliding friction resistance is too large.
In addition, set up the rolling member between movable guide rail and the fixed guide rail through being located door body 50 upper and lower both sides, change sliding connection between movable guide rail and the fixed guide rail into through rolling member roll connection, further reduce frictional resistance and wearing and tearing between two guide rails for opening and closing of furnace gate is more smooth and easy, has improved track structure's life, reduces the maintenance cost, can also avoid hindering the slip of furnace gate because of the dregs that wearing and tearing produced.
In addition, as shown in fig. 5 and 8, optionally, a door driving motor 59 may be further installed in the base 10, and a door driving gear 60 may be disposed at an upper end of the door driving motor, and the door driving gear 60 may be engaged with a first rack 541 formed on the door 50, so that the door 50 may be automatically rotated by the door driving motor 59.
As shown in fig. 8, in order to improve the safety of the door 50 after opening, at least one microswitch 61 is further arranged in the heating cooker for controlling a functional circuit in the heating cooker; a trigger block 62 is formed at a position on the door 50 corresponding to the first rack 541, and when the door 50 rotates to a preset opening position, the trigger block 62 triggers the micro switch 61.
In this embodiment, a microswitch 61 is arranged at the opening position, when the door body rotates to the position, the trigger block 62 can trigger the microswitch 61, the microswitch 61 sends out a closing signal to a functional circuit in the heating cooker to cut off at least part of functions of the heating cooker, such as a microwave heating function, and the like, at this time, the heating cooker cannot be normally used, and the injury of human body caused by microwave radiation due to the fact that a user mistakenly opens the microwave heating function is avoided; when the trigger block 62 is disengaged from the microswitch 61 due to the rotation of the door body 50, the microswitch 61 sends an opening signal to a functional circuit inside the heating cooker to restore at least part of the functions of the heating cooker, and the heating cooker can be normally used at this time.
As shown in fig. 3 to 7, in order to ensure the sealing performance of the door when the door opens, the cavity 20 is further provided with a front plate 36 outside the bottom wall 21, and a gap 37 into which the door 50 is fitted is formed between the front plate 34 and the bottom wall 21. A door surface 50a is installed on one part of the lower movable rail 54, an upwardly protruding gap filling structure 544 is installed on the other part of the lower movable rail 54, the door surface 50a closes or opens the opening of the heating cavity 34 as the lower movable rail 54 moves, and the gap filling structure 544 fills the portion of the gap 37 that is not closed by the door surface 50 a.
In this embodiment, after the door 50 opens the opening, the gap filling structure 544 is used to fill the portion of the gap 37 that is not closed by the door surface 50a, so that the gap 37 at the corresponding opening is not exposed, and therefore, food chips and the like are prevented from being blocked when the door 50 opens or closes the opening due to falling into the gap, and the electric device is prevented from being corroded due to water vapor or oil stain and the like flowing into the cooking device along the gap 37, and further, the normal operation of the electric device is ensured, and meanwhile, the cleanness and tidiness of the internal environment of the cooking device is ensured.
The opening and closing of the opening on the cavity 20 are realized by the door body 50 sliding in the gap 37, and in the process of opening the opening by the door body 50, the gap 37 between the bottom wall and the front plate 36 is exposed, and water vapor or oil stain in the cavity 20 easily flows into the inside of the cooker through the gap 37, which may disturb the cleaning of the cooker and the normal use of the internal components, and therefore, a gap filling structure 544 matched with the door body 50 is arranged in the gap 37, so that in the process of gradually opening the opening of the door body, the gap filling structure 544 fills the gap 37, simultaneously have sealed effect, prevent when preparation food that liquid such as vapor or oil stain in the cavity 20 flows into the inside of cooking device through this clearance 37, guarantee the inside clean and tidy of cooking device and avoid the corruption of the inside electrical part of cooking device through the liquid that clearance 37 flowed in, guarantee the normal use of electrical part.
As shown in fig. 3 to 7, the door 50 may be integrally formed with the gap filling structure 544, or may be riveted, welded, or screwed together.
In the above embodiment, the gap filling structure 544 is preferably in the shape of an arc plate.
In this embodiment, the gap filling structure 544 is in the shape of an arc plate adapted to slide in the gap 37, so that the gap filling structure 544 does not obstruct the normal sliding of the door 50 when the door 50 opens or closes the opening.
As shown in fig. 9, in the above embodiment, it is preferable that an annular groove 546 be formed in the lower movable rail 54, and the gap filling structure 544 be inserted in the groove 546.
In this embodiment, the lower movable rail 54 is used to fix the door surface 50a from the lower side, and the gap filling structure 544 is inserted into the groove 546 of the lower movable rail 54, so that when the lower movable rail 54 slides the door surface 50a, the gap filling structure 544 can rotate synchronously with the door surface 50a, so that after the door body 50 opens the opening, the gap filling structure 544 can replace the original position of the door surface 50a, thereby filling the gap 37.
Wherein, the lower movable guide rail 54 formed in a substantially circular ring shape drives the door 50 to slide along the circumferential direction of the cavity 20, the axis of the sliding track of the door 50 is coaxial with the axis of the cavity 20, the whole volume of the cooker is further reduced when the door 50 is in an open state, and the miniaturization is realized.
As shown in fig. 3 to 7, in any of the above embodiments, the gap filling structure 544 is preferably formed by extending the lower movable rail 54 upward.
In this embodiment, the gap filling structure 544 is formed by extending the lower movable rail 54 upward, i.e. is integrally formed with the lower movable rail 54, so that the connection between the gap filling structure 544 and the lower movable rail 54 is firmer, and only one mold of the lower movable rail 54 is needed in the production process of the lower movable rail 54, thereby saving the production cost and improving the production efficiency.
As shown in fig. 9, a method of controlling a heating cooker according to an embodiment of the present invention includes the steps of:
s102, detecting whether a door key on the heating cooker is operated;
s104, when the door key is operated, acquiring the initial position of the door body 50;
s106, under the driving action of the door body driving motor 59, the door body 50 rotates within a preset time;
s108, acquiring the end position of the door body 50;
and S110, judging whether the door body 50 opens or closes the opening according to the initial position and the end position.
In this embodiment, the opening is opened or is closed and realize through the automatic rotation of door body driving motor 59 drive door body at the preset time, make door body driving motor 59 rotate the automatic shutdown operation of certain time back at drive door body 50, and then door body 50 stall, both realized that the door body is automatic to be opened or close the opening, realized again that the door body targets in place the back automatic shutdown, no longer need the user to touch the door body or set up control door body stall's button in addition, avoid because the user touches the scald scheduling problem that the door body caused carelessly, not only increased the convenience that the user used, and the grade of product has been promoted. In addition, whether the door body 50 normally opens or closes the opening can be judged according to the initial position and the end position of the door body, so that a user can accurately know the state of the door body, and when the opening is not normally opened or closed, the door body can be timely maintained and the like.
The key modes of the door key include, but are not limited to, a touch key mode, a mechanical key mode, a film key mode, an infrared remote control key mode and a remote control key mode. Like this, compare with prior art, can avoid trompil on control panel to do the button structure, practiced thrift material cost, reduce glass's breakage rate, can be used for intelligent control such as WIFI, bluetooth, remote control simultaneously.
In the above embodiment, preferably, the preset time T0＝60/[(S1*N)/(S2*0.5)]Wherein S is1The door body drives the gear 60 with the number of teeth, S2The number of teeth of the first rack 541 on the door 50 is N, and N is the rotation speed of the door driving motor 59.
In this embodiment, the preset time required for opening or closing the opening of the door 50 is calculated by combining the number of teeth on the door driving gear 60 and the first rack 541 with the rotating speed of the door driving motor 59, so that the door driving motor 59 drives the door 50 to rotate within the preset time, and the problem that the opening is not closed tightly or the opening is not opened completely due to insufficient rotating time of the door 50 is avoided; or the structure of the cooker is damaged due to the overlong rotation time of the door body 50, so that the sealing performance of the cooker is influenced, and the like, and the cooker has the characteristics of high control precision and small error.
In the above embodiment, it is preferable that the number of teeth S of the door drive gear 60 is the number of teeth1From 20 to 40.
In this embodiment, by limiting the number of teeth on the door drive gear 60, the operating time of the door drive motor 59 is reduced while ensuring the sliding stability of the door 50.
In the above-described embodiment, it is preferable that the number of teeth S of the first rack 541 be2Is 260 to 300.
In this embodiment, the preset time required for opening or closing the opening of the door 50 is calculated through the number of teeth on the door driving gear 60 and the first rack 541, so that the door driving motor 59 drives the door 50 to rotate within the preset time, and the problem that the opening is not tightly closed or the opening is not completely opened due to insufficient rotation time of the door 50 is avoided; or the structure of the cooker is damaged due to the long rotation time of the door 50, thereby affecting the sealing performance.
In any of the above embodiments, the rotation speed N of the door body driving motor 59 is preferably 80r/min to 120 r/min.
In this embodiment, the preset time required for opening or closing the opening of the door 50 is calculated by combining the number of teeth on the door driving gear 60 and the first rack 541 with the rotating speed of the door driving motor 59, so that the door driving motor 59 drives the door 50 to rotate within the preset time, and the problem that the opening is not closed tightly or the opening is not opened completely due to insufficient rotating time of the door 50 is avoided; or the structure of the cooker is damaged due to the overlong rotation time of the door body 50, so that the sealing performance of the cooker is influenced, and the like, and the cooker has the characteristics of high control precision and small error.
In any of the above embodiments, it is preferable that the number of teeth S of the door drive gear 60 is set to be equal to or less than the number of teeth S of the door drive gear 601Number of teeth S of the first rack 5412The ratio of (1): 8 to 1: 12.
in this embodiment, by controlling the gear ratio between the door driving gear 60 and the first rack 541 of the transmission gear ring, the time required by the door driving motor 59 to drive the door 50 to open or close the opening is controlled within a certain range, so as to avoid the problem that the user waits for a long time due to the overlong rotation time of the door 50; or the problem that the stability of the door surface 50a and its guide rail structure cannot be ensured due to the short rotation time and the excessive rotation speed of the door body 50, or even the structure of the heating cooker is damaged, can be avoided.
In any of the above embodiments, it is preferable that a micro switch 61 for controlling a functional circuit of the micro heating cooker is provided in the heating cooker, a trigger block 62 is formed at a position corresponding to the first rack 541 on the door 50, and the trigger block 62 triggers the micro switch 61 when the door 50 rotates to a preset opening position.
In this embodiment, a microswitch 61 is arranged at the opening position, when the door body rotates to the position, the trigger block 62 can trigger the microswitch 61, the microswitch 61 sends out a closing signal to a functional circuit in the heating cooker to cut off at least part of functions of the heating cooker, such as a microwave heating function, and the like, at this time, the heating cooker cannot be normally used, and the injury of human body caused by microwave radiation due to the fact that a user mistakenly opens the microwave heating function is avoided; when the trigger block 62 is disengaged from the microswitch 61 due to the rotation of the door body 50, the microswitch 61 sends an opening signal to a functional circuit inside the heating cooker to restore at least part of the functions of the heating cooker, and the heating cooker can be normally used at this time.
In this embodiment, the motion trajectory of the door 50 is a half circle, that is, opening the opening can be achieved by driving the door 50 to rotate clockwise by the door driving motor, and closing the opening can be achieved by driving the door 50 to rotate counterclockwise by the door driving motor, that is, the door 50 rotates 180 degrees or is reversely arranged; or the motion track of the door body 50 is the whole circumference, namely the opening can be realized by driving the door body 50 to rotate clockwise through the door body driving motor, and the opening is closed by driving the door body 50 to rotate clockwise through the door body driving motor, namely the door body 50 rotates 360 degrees, or the motion track is reversely arranged.
The microswitch 61 sends a closing signal to the door body driving motor 59, which can be realized by triggering the microswitch 61 through the trigger block 62, namely the trigger block 62 abuts against a button on the microswitch 61; the trigger block 62 may be implemented by being disengaged from a button on the microswitch 61, and in the present embodiment, the example of the trigger block 62 sending a closing signal to the door driving motor 59 after triggering the microswitch 61 will be described.
Wherein the number of the micro switches 61 can be adjusted appropriately, i.e. the functional circuit of the heating cooker is integrated on one or more micro switches 61.
As shown in fig. 10, a system for controlling a heating cooker according to an embodiment of the present invention includes:
a detection unit 1002 for detecting whether a door button on the heating cooker is operated;
a first obtaining unit 1004 for obtaining an initial position of the door 50;
the control unit 1006 is configured to control the door driving motor 59 to drive the door 50 to rotate within a preset time;
the second obtaining unit 1008 is configured to obtain an end position of the door 50;
the comparing unit 1010 is configured to determine whether the door 50 opens or closes the opening according to the initial position and the end position.
In this embodiment, the opening is opened or is closed and realize through the automatic rotation of door body driving motor 59 drive door body at the preset time, make door body driving motor 59 rotate the automatic shutdown operation of certain time back at drive door body 50, and then door body 50 stall, both realized that the door body is automatic to be opened or close the opening, realized again that the door body targets in place the back automatic shutdown, no longer need the user to touch the door body or set up control door body stall's button in addition, avoid because the user touches the scald scheduling problem that the door body caused carelessly, not only increased the convenience that the user used, and the grade of product has been promoted. In addition, whether the opening is normally opened or closed can be judged according to the initial position and the end position of the door body, so that a user can accurately know the state of the door body 50, and when the opening is not normally opened or closed, the processing operations such as maintenance and the like can be timely carried out.
Wherein, the detection unit includes but is not limited to a pressure sensor, a capacitance sensor, etc.;
the acquisition unit includes, but is not limited to, a position sensor, an infrared sensor, and the like having a sensor for detecting the position of the door 50;
the control unit includes but is not limited to a control chip MCU having a control function and a comparison function.
In the above embodiment, preferably, the preset time isT0＝60/[(S1*N)/(S2*0.5)]Wherein S is1The number of teeth of the door body driving gear 60 on the door body driving motor 59, S2The number of teeth of the first rack 541 on the door 50 is N, and N is the rotation speed of the door driving motor 59.
In this embodiment, the preset time required for opening or closing the opening of the door 50 is calculated by combining the number of teeth on the door driving gear 60 and the first rack 541 with the rotating speed of the door driving motor 59, so that the door driving motor 59 drives the door 50 to rotate within the preset time, and the problem that the opening is not closed tightly or the opening is not opened completely due to the excessively short rotating time of the door 50 is avoided; or the structure of the cooker is damaged due to the overlong rotation time of the door body 50, so that the sealing performance of the cooker is influenced, and the like, and the cooker has the characteristics of high control precision and small error.
In the above embodiment, it is preferable that the number of teeth S of the door drive gear 60 is the number of teeth1From 20 to 40.
In this embodiment, by limiting the number of teeth on the door driving gear 60, the door driving motor operating time is reduced while ensuring the sliding stability of the door 50.
In the above-described embodiment, it is preferable that the number of teeth S of the first rack 541 be2Is 260 to 300.
In this embodiment, the preset time required for opening or closing the opening of the door 50 is calculated through the number of teeth on the door driving gear 60 and the first rack 541, so that the door driving motor 59 drives the door 50 to rotate within the preset time, and the problem that the opening is not tightly closed or the opening is not completely opened due to insufficient rotation time of the door 50 is avoided; or the structure of the cooker is damaged due to the long rotation time of the door 50, thereby affecting the sealing performance.
In any of the above embodiments, the rotation speed N of the door body driving motor 59 is preferably 80r/min to 120 r/min.
In this embodiment, the preset time required for opening or closing the opening of the door 50 is calculated by combining the number of teeth on the door driving gear 60 and the first rack 541 with the rotating speed of the door driving motor 59, so that the door driving motor 59 drives the door 50 to rotate within the preset time, and the problem that the opening is not closed tightly or the opening is not opened completely due to the excessively short rotating time of the door 50 is avoided; or the structure of the cooker is damaged due to the overlong rotation time of the door body 50, so that the sealing performance of the cooker is influenced, and the like, and the cooker has the characteristics of high control precision and small error.
In any of the above embodiments, it is preferable that the number of teeth S of the door drive gear 60 is set to be equal to or less than the number of teeth S of the door drive gear 601Number of teeth S of the first rack 5412The ratio of (1): 8 to 1: 12.
in this embodiment, by controlling the gear ratio between the door driving gear 60 and the first rack 541 of the transmission gear ring, the time required by the door driving motor 59 to drive the door 50 to open or close the opening is controlled within a certain range, so as to avoid the problem that the user waits for a long time due to the overlong rotation time of the door 50; or the problem that the stability of the door surface 50a and its guide rail structure cannot be ensured due to the short rotation time and the excessive rotation speed of the door body 50, or even the structure of the heating cooker is damaged, can be avoided.
In any of the above embodiments, it is preferable that at least one micro switch 61 is further included for controlling a functional circuit in the heating cooker; and the at least one trigger block 62 is formed at the position, corresponding to the first rack, on the door body, and when the door body 50 rotates to a preset opening position, the trigger block 62 triggers the micro switch 61.
In this embodiment, a microswitch 61 is arranged at the opening position, when the door body rotates to the position, the trigger block 62 can trigger the microswitch 61, the microswitch 61 sends out a closing signal to a functional circuit in the heating cooker to cut off at least part of functions of the heating cooker, such as a microwave heating function, and the like, at this time, the heating cooker cannot be normally used, and the injury of human body caused by microwave radiation due to the fact that a user mistakenly opens the microwave heating function is avoided; when the trigger block 62 is disengaged from the microswitch 61 due to the rotation of the door body 50, the microswitch 61 sends an opening signal to a functional circuit inside the heating cooker to restore at least part of the functions of the heating cooker, and the heating cooker can be normally used at this time.
According to the technical scheme provided by the invention, the opening or closing of the opening is realized by driving the door body to rotate automatically at preset time by the door body driving motor 59, so that the door body driving motor 59 stops running automatically after driving the door body 50 to rotate for a certain time, and then the door body 50 stops rotating, thereby realizing the automatic opening or closing of the opening of the door body and the automatic stop of the door body after the door body is in place, avoiding the problem of scalding and the like caused by the careless touch of the door body by a user without touching the door body or additionally arranging a button for controlling the stop of the rotation of the door body, not only increasing the use convenience of the user, but also improving the grade of the product. In addition, whether the opening of the door body 50 is normally opened or closed can be judged according to the initial position and the end position of the door body 50, so that a user can accurately know the state of the door body, and when the opening is not normally opened or closed, the user can timely perform maintenance and other processing operations.
The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. A method for controlling a heating cooker, the heating cooker comprising: a cavity (20) having an opening; the door comprises a door body (50) for opening or closing the opening, a door body driving motor (59) for driving the door body (50) to rotate, and a door button for controlling the door body driving motor (59), and is characterized in that the method comprises the following steps:
detecting whether the door key is operated;
when the door key is operated, acquiring an initial position of the door body (50);
under the driving action of the door body driving motor (59), the door body (50) rotates within a preset time;
acquiring the end position of the door body (50);
judging whether the door body (50) opens or closes the opening according to the initial position and the end position;
wherein a first rack (541) is formed on the door body (50);
a microswitch (61) for controlling a functional circuit of the heating cooker is arranged in the heating cooker, a trigger block (62) is formed on the door body (50) at a position corresponding to the first rack (541), and when the door body (50) rotates to a preset opening position, the microswitch (61) is triggered by the trigger block (62);
a heating cavity (34) for placing food is formed in the cavity (20);
the cavity (20) is provided with a bottom wall (21) forming the bottom surface of the heating cavity (34);
the cavity (20) is further provided with a front plate (36) on the outer side of the bottom wall (21), and a gap (37) for the door body (50) to be embedded into is formed between the front plate (34) and the bottom wall (21);
the door body (50) includes: a semi-cylindrical door surface (50 a) constituting a see-through part; a lower movable guide rail (54) formed in an annular shape;
one part of the lower movable rail (54) is provided with the door surface (50 a), the other part of the lower movable rail (54) is provided with a gap filling structure (544) which protrudes upwards, the door surface (50 a) closes or opens the opening along with the movement of the lower movable rail (54), and the gap filling structure (544) fills the part of the gap (37) which is not closed by the door surface (50 a).
2. The method of claim 1, wherein the predetermined time is a predetermined time
Wherein S is1The number of teeth of a door body driving gear (60) on a door body driving motor (59), S2The number of teeth of a first rack (541) on the door body (50) is N, and N is the rotating speed of the door body driving motor (59).
3. A method according to claim 2, wherein the number S of teeth of the door body driving gear (60)1From 20 to 40.
4. A method according to claim 2, wherein the number S of teeth of the first rack (541) is2Is 260 to 300.
5. The method according to claim 2, characterized in that the rotational speed N of the door body drive motor (59) is 80r/min to 120 r/min.
6. A method according to claim 2, wherein the number S of teeth of the door body driving gear (60)1The number of teeth S of the first rack (541)2The ratio of (1): 8 to 1: 12.
7. a system for controlling a heating cooker, the heating cooker comprising: a cavity (20) having an opening; the door body (50) used for opening or closing the cavity (20), the door body driving motor (59) used for driving the door body (50) to rotate, and the door key used for controlling the door body driving motor (59), and the system is characterized by comprising:
a detection unit for detecting whether the door key is operated;
the first acquisition unit is used for acquiring the initial position of the door body (50);
the control unit is used for controlling the door body driving motor (59) to drive the door body (50) to rotate within a preset time;
the second acquisition unit is used for acquiring the end position of the door body (50);
the comparison unit is used for judging whether the door body (50) opens or closes the opening according to the initial position and the end position;
wherein a first rack (541) is formed on the door body (50);
at least one microswitch (61) for controlling the functional circuits of the heating cooker;
at least one trigger block (62) formed on the door body (50) at a position corresponding to the first rack (541), wherein when the door body (50) rotates to a preset opening position, the trigger block (62) triggers the microswitch (61);
a heating cavity (34) for placing food is formed in the cavity (20);
the cavity (20) is provided with a bottom wall (21) forming the bottom surface of the heating cavity (34);
the cavity (20) is further provided with a front plate (36) on the outer side of the bottom wall (21), and a gap (37) for the door body (50) to be embedded into is formed between the front plate (34) and the bottom wall (21);
the door body (50) includes: a semi-cylindrical door surface (50 a) constituting a see-through part; a lower movable guide rail (54) formed in an annular shape;
one part of the lower movable rail (54) is provided with the door surface (50 a), the other part of the lower movable rail (54) is provided with a gap filling structure (544) which protrudes upwards, the door surface (50 a) closes or opens the opening along with the movement of the lower movable rail (54), and the gap filling structure (544) fills the part of the gap (37) which is not closed by the door surface (50 a).
8. The system of claim 7, wherein the preset time is set
Wherein S is1The number of teeth of a door body driving gear (60) on a door body driving motor (59), S2The number of teeth of a first rack (541) on the door body (50) is N, and N is the rotating speed of the door body driving motor (59).
9. The system of claim 8, wherein the door drive gear (60) has a number of teeth S1From 20 to 40.
10. The system of claim 9, wherein the first rack (541) has a number S of teeth2Is 260 to 300.
11. The system according to claim 8, characterized in that the rotational speed N of the door body drive motor (59) is 80r/min to 120 r/min.
12. The system according to claim 8, characterized in that the number of teeth S of the door drive motor (59)1The number of teeth S of the first rack (541)2The ratio of (1): 8 to 1: 12.
13. a heating cooker, characterized by comprising:
the food heating device comprises a cavity body (20), a heating cavity (34) for placing food is formed in the cavity body, and an opening for the food to enter and exit is formed in one side of the heating cavity (34);
the door body (50) is arranged on the cavity (20) and is used for closing or opening the opening;
the door body driving motor (59) is provided with a door body driving gear (60), and the door body driving gear (60) extends to the door body (50) and is meshed with the first rack (541) to drive the door body (50) to rotate;
a system as claimed in any one of claims 7 to 12, for controlling the heating cooker.
14. The heating cooker according to claim 13,
the lower movable rail (54) fixes the door surface (50 a) from the lower side;
the door body (50) further comprises:
an upper movable guide (57) formed in an annular shape, to which the door surface (50 a) is fixed from above, the door surface (50 a), the lower movable guide (54), and the upper movable guide (57) being integrally connected;
wherein at least one trigger block (62) is formed on the door surface (50 a) or the lower movable rail (54).
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| CN201810292161.0A CN108420296B (en) | 2018-04-03 | 2018-04-03 | Heating cooker, control system and method thereof |
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| CN201810292161.0A CN108420296B (en) | 2018-04-03 | 2018-04-03 | Heating cooker, control system and method thereof |
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| CN112438615B (en) * | 2019-08-31 | 2022-02-18 | 宁波方太厨具有限公司 | Door body and cooking device with same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266238A (en) * | 2014-10-27 | 2015-01-07 | 江波 | Flat-ball-shaped microwave oven |
| CN105135495A (en) * | 2015-09-21 | 2015-12-09 | 广东美的厨房电器制造有限公司 | Micro-wave heating device |
| CN106662390A (en) * | 2015-07-30 | 2017-05-10 | Lg 电子株式会社 | Refrigerator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0164762B1 (en) * | 1995-11-09 | 1999-04-15 | 김광호 | Control method of automatic door switch of a washing machine |
| CN2338647Y (en) * | 1997-11-10 | 1999-09-15 | 顺德市希贵电器制造有限公司 | Speech prompting, dynamic displaying multi-function microwave oven |
| KR100341334B1 (en) * | 1999-12-09 | 2002-06-22 | 윤종용 | Safety Circuit Of a DC Microwave Oven And Method Control The Same |
| CN1862101A (en) * | 2005-05-10 | 2006-11-15 | 乐金电子(天津)电器有限公司 | Locking structure for microwave oven door |
| KR20100058698A (en) * | 2008-11-25 | 2010-06-04 | 최근우 | Cylindrical microwave oven |
| JP5924027B2 (en) * | 2012-02-29 | 2016-05-25 | アイシン精機株式会社 | Opening and closing body control device for vehicle |
-
2018
- 2018-04-03 CN CN201810292161.0A patent/CN108420296B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266238A (en) * | 2014-10-27 | 2015-01-07 | 江波 | Flat-ball-shaped microwave oven |
| CN106662390A (en) * | 2015-07-30 | 2017-05-10 | Lg 电子株式会社 | Refrigerator |
| CN105135495A (en) * | 2015-09-21 | 2015-12-09 | 广东美的厨房电器制造有限公司 | Micro-wave heating device |
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