CN210832683U - Refrigerator with automatic door opening and closing function - Google Patents

Abstract

The utility model discloses an automatic switch door refrigerator relates to refrigerator technical field, and when solving the access edible material less, the automation is opened the door and is closed the door and expend time longer, leads to the inside storage temperature of box to rise, reduces fresh-keeping effect and invents. The automatic door opening and closing refrigerator comprises a refrigerator body, a door body, an ejection actuator and a door opening and closing actuator, wherein the door body is provided with a first sensor and a second sensor, and the first sensor, the second sensor, the ejection actuator and the door opening and closing actuator are respectively and electrically connected with a controller; when the first sensor is triggered, the controller controls the ejection actuator to push the door body to be separated from the box body; when the first sensor and the second sensor are sequentially triggered, the controller controls the ejection actuator to push the door body to be separated from the box body, and the door opening and closing actuator controls the door body to be completely opened. The utility model discloses an automatic switch door refrigerator is used for storing edible material.

Description

Refrigerator with automatic door opening and closing function

Technical Field

The utility model relates to a refrigerator technical field especially relates to an automatic switch door refrigerator.

Background

The refrigerator is the electrical apparatus commonly used in people's life, most refrigerators are the manual switch door, but the manual switch door can cause inconvenience for the user in a lot of times, for example, when both hands are all taken up, then need put down edible material or other article in the hand earlier, then the refrigerator door can be opened to the side, and when the refrigerator door integument was opened, the door body and the box separation in the twinkling of an eye, because the reason of self priming force between the door body and the box, need exert great power when opening the door, just enable door body and box separation, therefore, caused very big inconvenience to user's use.

When the refrigerator is used, the door opening and closing actuator controls the door body to be opened through the trigger switch, and after the refrigerator door is completely opened, the door body can be closed through the trigger switch again, so that a user can open and close the refrigerator door more conveniently.

However, as shown in fig. 1, the automatic door opening and closing refrigerator includes a box 001 and a door body 002, the door body 002 is provided with a switch 003, the box 001 is provided with a door opening and closing actuator 004, when the door is opened, the switch 003 needs to be triggered to open the door body 002, and after the door body 002 is completely opened, the switch 003 can be triggered again to close the door body 002, so that the whole process of opening and closing the door body 002 often requires a long time, and in some cases, for example, when the food material needing to be accessed is less, the food material is already accessed during the opening process of the door body 002, but after the door body 002 is completely opened, the switch needs to be triggered again to close the door body 002, so that during the opening and closing process of the door body 002, the storage chamber of the box 001 is always in an open state, and therefore, outside hot and humid air can enter the storage chamber inside the refrigerator box 001, the temperature in the refrigerator body 001 is increased, so that the fresh-keeping effect of other food materials stored in the refrigerator body 001 is reduced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an automatic switch door refrigerator can eat the in-process of material at the access, according to the access how many different modes of opening the door of selecting of material to when the material is less edible at the access, shorten the time that the door body is in the open mode, prevent switch door in-process, inside external hot humid air got into the refrigerator, improve the fresh-keeping effect of the inside edible material of depositing of refrigerator.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

the embodiment of the utility model provides an automatic door opening and closing refrigerator, including the box and with the door body of box sliding connection, still include the ejecting executor that is used for promoting the door body with the box separation and control the door body open completely the door opening and closing executor, be provided with first sensor and second sensor on the door body, first sensor, the second sensor and ejecting executor, door opening and closing executor are connected with the controller electricity respectively; when the first sensor is triggered, the controller sends a control signal to the ejection actuator, and the ejection actuator pushes the door body to be separated from the box body; when the first sensor and the second sensor are sequentially triggered in sequence, the controller sends control signals to the ejection actuator and the door opening and closing actuator, the ejection actuator pushes the door body to be separated from the box body, and the door opening and closing actuator controls the door body to be completely opened.

The embodiment of the utility model provides an automatic switch door refrigerator, the user can be according to the volume of access edible material, the free choice mode of opening the door, when the access edible material is less, trigger the first sensor that sets up on the door body, when first sensor produces the signal, ejecting executor operation, and promote the door body and box separation, because overcome the self priming force of the door body, make the door body and box after the separation, the in-process of opening and closing the door only need very little power can, therefore, after ejecting executor promotes the door body and box separation, the user can manually open the door body, after finishing accessing the edible material, manually close the door body can, can avoid the door body to open for a long time like this, prevent that a large amount of humid hot air in the external world from getting into the refrigerator inside, thereby improve the fresh-keeping effect of the edible material; when more food materials need to be stored and taken, the first sensor and the second sensor are respectively triggered in sequence, and the door can be automatically opened and closed in the whole process by ejecting the actuator and opening and closing the door actuator.

Drawings

FIG. 1 is a schematic structural diagram of a prior art refrigerator with an automatic door opening and closing function;

fig. 2 is a schematic view of the overall structure of the refrigerator with automatic door opening and closing provided by the embodiment of the present invention;

fig. 3 is a structural diagram of a control system of a refrigerator with an automatic door opening and closing function according to an embodiment of the present invention;

fig. 4 is a flowchart of a control method for automatically opening and closing a door of a refrigerator according to an embodiment of the present invention.

Reference numerals: 100. a box body; 110. ejecting out the actuator; 120. a door opening and closing actuator; 130. a controller; 200. a door body; 211. a first sensor; 212. a second sensor; 213. a single chip microcomputer; 214. an indicator light; 215. a mounting seat; 216. a display screen.

Detailed Description

The following describes a refrigerator with an automatic door opening and closing device according to an embodiment of the present invention in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides an automatic switch door refrigerator, as shown in fig. 2, this refrigerator has approximate cuboid shape, and the outward appearance of refrigerator is injectd by the storeroom of injecing storage space and a plurality of door bodies 200 of setting in the storeroom.

The storage compartment is a cabinet 100 having an opening, and is vertically partitioned into a lower freezing compartment and an upper refrigerating compartment, and each of the partitioned spaces may have an independent storage space.

In detail, the freezing compartment is defined at a lower side of the storage compartment and may be selectively covered by the drawer-type freezing compartment door body 200. The space defined above the freezing chamber is partitioned into left and right sides to respectively define the refrigerating chamber. The refrigerating chamber is selectively opened or closed by a refrigerating chamber door body 200 pivotably installed on the refrigerating chamber.

As shown in fig. 2, the automatic door opening and closing refrigerator provided in the embodiment of the present invention further includes an ejection actuator 110 for pushing the door 200 to separate from the refrigerator body 100, and a door opening and closing actuator 120 for controlling the door 200 to be completely opened, the door 200 is provided with a first sensor 211 and a second sensor 212, and the first sensor 211, the second sensor 212, the ejection actuator 110, and the door opening and closing actuator 120 are respectively electrically connected to the controller 130; when the first sensor 211 is triggered, the controller 130 sends a control signal to the ejection actuator 110, and the ejection actuator 110 pushes the door body 200 to separate from the box body 100; when the first sensor 211 and the second sensor 212 are sequentially triggered, the controller 130 sends control signals to the ejection actuator 110 and the door opening and closing actuator 120, the ejection actuator 110 pushes the door body 200 to be separated from the box body 100, and the door opening and closing actuator 120 controls the door body 200 to be completely opened.

The embodiment of the utility model provides an automatic switch door refrigerator, the user can be according to the material how much of access food, the free choice mode of opening the door, when the material is less for the access food, trigger the first sensor 211 that sets up on the door body 200, when first sensor 211 produces the signal, ejecting executor 110 moves, and promote corresponding door body 200 and box 100 separation, owing to overcome the self priming force of door body 200, make after door body 200 and box 100 separate, only need very little power in the process of opening and closing the door, so, after ejecting executor 110 promotes door body 200 and box 100 and separates, the user can manually open door body 200, after finishing the material access, manually close door body 200 can, can avoid door body 200 to open for a long time like this, prevent that a large amount of moist hot air in the external world from getting into inside the refrigerator, thereby improve the fresh-keeping effect inside the refrigerator; when more food materials need to be stored and taken, the first sensor 211 and the second sensor 212 are respectively triggered in sequence, and the door is automatically opened and closed in the whole process by ejecting the actuator 110 and the door opening and closing actuator 120.

Moreover, a plurality of storage compartments and a plurality of corresponding door bodies 200 can be arranged in the refrigerator body 100, so that the ejection actuator 110, the door opening and closing actuator 120, the first sensor 211 and the second sensor 212 are arranged corresponding to each door body 200, when food materials need to be stored and taken, the corresponding door bodies 200 can be controlled to be opened or closed only by touching the corresponding sensors, when the refrigerator is used, the operation and control are more convenient, and different opening modes can be selected according to the number of the food materials to be stored and taken.

Furthermore, the door 200 provided by the embodiment of the present invention is divided into a door 200 of a refrigerating chamber and a door 200 of a freezing chamber, the door 200 of the refrigerating chamber and the door 200 of the freezing chamber are respectively provided with an ejection actuator 110, and the ejection actuator is controlled by the corresponding first sensor 211 and the second sensor 212, so that a user can open the door 200 of the refrigerating chamber or the door 200 of the freezing chamber only by touching the corresponding sensors; and for some refrigerators with double-door refrigerating chambers, two door bodies 200 of the refrigerating chambers are respectively provided with corresponding ejection actuators 110, and the two ejection actuators 110 are controlled by sensors corresponding to the refrigerating chamber door bodies 200 to operate.

Preferably, the first sensor 211 and the second sensor 212 arranged on the door 200 are arranged on the door 200 located at the upper part of the box 100, so as to meet the average height of an adult on one hand, and prevent the sensors arranged on the lower door 200 from being touched by a young child at home by mistake, so that the door 200 is opened and the young child is injured. The position of the sensor is not fixed, and the sensor is usually installed at a position adapted to the use habit of a normal person.

As shown in fig. 3, an embodiment of the present invention provides that the signal output ends of the first sensor 211 and the second sensor 212 are connected to the signal input end of the single chip microcomputer 213, the signal output end of the single chip microcomputer 213 is connected to the signal input end of the controller 130, and the signal output end of the controller 130 is connected to the ejection actuator 110 and the door opening/closing actuator 120. The user can set the threshold values of the first sensor 211 and the second sensor 212 through the single chip microcomputer 213, when the capacitance change values generated by the first sensor 211 and the second sensor 212 exceed the threshold value set by the single chip microcomputer 213, the single chip microcomputer 213 sends a trigger signal to the single chip microcomputer 213, then the single chip microcomputer 213 sends the trigger signal to the controller 130, and the controller 130 controls the ejection actuator 110 or the door opening and closing actuator 120 to operate according to the trigger signal.

Preferably, as shown in fig. 2, a mounting seat 215 is disposed on the door body 200, and the first sensor 211 and the second sensor 212 are both disposed on the mounting seat 215. All set up a plurality of sensors on mount pad 215 earlier, then with mount pad 215 integral erection on the door body 200 of refrigerator, it is more convenient to produce.

Preferably, as shown in fig. 2 and 3, a display screen 216 is further disposed on the mounting seat 215, the display screen 216 is connected to the controller 130, and the display screen 216 is used for displaying the food material information stored in the box 100. The display 216 is used to display information on food materials, temperature information inside the box 100, and the like, and a user can intuitively know information on stored food materials through the display 216.

Furthermore, the mounting seat 215 and the first sensor 211, the second sensor 212 and the display screen 216 arranged on the mounting seat 215 are all arranged behind the glass on the front side of the refrigerator door body 200, namely arranged between the door body 200 and the glass on the front side of the door body 200, so that the first sensor 211, the second sensor 212 and the display screen 216 are protected.

Preferably, the first sensor 211 and the second sensor 212 are both capacitive sensors. The capacitance sensor has the advantages of good temperature stability, simple structure, easy manufacture and the like, can ensure higher manufacture precision, has very small electrostatic attraction between the charged electrode plates, very small required action energy, very small and very thin manufacture, namely very light weight, very high natural frequency, short dynamic response time and higher sensitivity, and is suitable for being applied to refrigerators.

Preferably, the user can adjust the thresholds of the first sensor 211 and the second sensor 212 through the single chip microcomputer 213, that is, adjust the sensitivities of the two capacitive sensors, so that the capacitive sensors can sense the change of the capacitance when the hand or other parts of the human body, such as the elbow, are in contact with or are in close proximity to the sensors, and send a trigger signal to the single chip microcomputer 213 when the change value exceeds a preset threshold.

Furthermore, the embodiment of the utility model provides a sensor is not restricted to and only sets up first sensor 211 and second sensor 212, but can set up a plurality of sensors, when sliding trigger whole automatic switch door, through gliding mode, triggers the condition emergence of avoiding the mistake touching that a plurality of sensors can be better in proper order, owing to need trigger a plurality of sensors in succession, consequently, the mistake touches the probability that leads to a body 200 to open by greatly reduced.

For making the user more intuitionally learn whether the sensor is triggered, as shown in fig. 3, the embodiment of the present invention further includes an indicator lamp 214, the indicator lamp 214 with the single chip microcomputer 213 is connected. After the single chip microcomputer 213 receives the trigger signals sent by the first sensor 211 and the second sensor 212, the single chip microcomputer 213 controls the indicator lamp 214 to light up, and when a user sees that the indicator lamp 214 lights up, the user can know that the triggering is successful.

The embodiment of the utility model provides a control method of automatic switch door refrigerator is still provided, as shown in fig. 2, fig. 4, include following step: detecting whether the first sensor 211 is triggered; when the first sensor 211 is triggered, determining whether the duration of triggering the first sensor 211 exceeds a preset time; when the duration time exceeds the preset time, it is determined that the triggering is effective and the ejection actuator 110 is controlled to push the door body 200 to separate from the box body 100, and when the duration time does not exceed the preset time, it is determined that the triggering is ineffective.

The embodiment of the utility model provides a control method of automatic switch door refrigerator, when the edible material that needs the access is less, trigger the first sensor 211 on the door body 200, when the duration that triggers first sensor 211 surpassed preset time, then ejecting executor 110 promotes a body 200 and box 100 separation, because door body 200 and box 100 after-separating, open and close a body 200 and only need very little power, therefore, the user can follow-up opening and close a body 200 action through manual, thereby when the edible material of access is less, shorten the time that door body 200 opened, thereby avoid outside hot humid air to get into inside the refrigerator, improve the fresh-keeping effect of edible material.

Preferably, the preset time for triggering the first sensor 211 is greater than or equal to 20 ms. In order to prevent the occurrence of the false touch, the triggering may be successful when the duration of triggering the first sensor 211 is longer than 20 ms.

In addition, as shown in fig. 2 and 4, it is detected whether both the first sensor 211 and the second sensor 212 are triggered; when the first sensor 211 and the second sensor 212 are both triggered, judging whether the triggering sequence for triggering the first sensor 211 and the second sensor 212 accords with a preset sequence; when the triggering sequence conforms to a preset sequence, judging that the triggering is effective, controlling the ejection actuator 110 to push the door body 200 to be separated from the box body 100, and controlling the door opening and closing actuator 120 to control the door body 200 to be completely opened; and when the triggering sequence does not accord with the preset sequence, judging that the triggering is invalid. The user can select according to the in service behavior, only trigger first sensor 211, perhaps trigger first sensor 211 and second sensor 212 successively, thereby realized two kinds of different modes of opening door body 200, only separate door body 200 and box 100 through ejecting executor 110 promptly, then open through manual control door body 200, or separate door body 200 and box 100 through ejecting executor 110, then open the full-automatic process of opening the door of door body 200 through opening and closing door executor 120, make the user can be according to the edible material of needs access how much select different modes of opening the door, be favorable to improving user experience and feel.

Preferably, the triggering sequence is to trigger the first sensor 211 first and then trigger the second sensor 212, or to trigger the second sensor 212 first and then trigger the first sensor 211. The sequence can be set in advance, and the automatic door opening can be triggered as long as the triggering sequence is the same as the preset sequence.

It should be noted that, when in use, a user may successively trigger the two sensors by successively touching the two sensors, that is, first touching the first sensor 211 and then touching the second sensor 212, and the automatic opening of the door 200 may be successfully triggered on the premise that the preset rule is satisfied by this way; the two sensors can also be triggered in a sliding manner, and the sequence of triggering the two sensors successively along the sliding direction is the same as the preset sequence.

Preferably, the time interval for triggering the first sensor 211 and the second sensor 212 ranges from 30ms to 1500 ms. In order to avoid the situation of false touch, therefore, the time interval for triggering the two sensors needs to be within the time range, and the single chip microcomputer 213 can receive the signal of successful triggering.

Additionally, the embodiment of the utility model provides an automatic switch door refrigerator, at the in-process of closing the door, because the self priming power of the door body 200 need not overcome to close the door, only need very little power to realize, consequently, the user can close the door through manual control's mode, also can set for other modes of triggering first sensor 211 and second sensor 212 to close the door through singlechip 213, for example, set for the order opposite for the signal of closing the door with the aforesaid order of triggering when opening the door to the time interval that triggers two sensors also satisfies above-mentioned time range can.

It should be pointed out, the embodiment of the utility model provides an ejection actuator 110, adopt the prior art that has disclosed on the market can, for example, as drive element through the motor, the output of motor is provided with the driving gear, the meshing has the rack on the driving gear, rack and a push rod fixed connection, push rod and box 100 sliding connection, and the push rod corresponds with the one end of keeping away from the pivot on the door body 200 top surface, and the direction of motion perpendicular to box 100 of rack and the relative face of door body 200, thereby rotate through the motor, make the driving gear drive the rack motion, the push rod slides simultaneously, through push rod and the contact of door body 200, can promote door body 200 and box 100 separation.

For the pull-out door body 200, the ejection actuator 110 only needs to be arranged at a position corresponding to the middle part of the door body 200, and when the door body 200 is pushed, the door body 200 is uniformly stressed, which is beneficial to opening the door body 200.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (5)

1. The refrigerator is characterized by comprising a refrigerator body, a door body, an ejection actuator and a door opening and closing actuator, wherein the door body is in sliding connection with the refrigerator body; when the first sensor is triggered, the controller sends a control signal to the ejection actuator, and the ejection actuator pushes the door body to be separated from the box body; when the first sensor and the second sensor are sequentially triggered in sequence, the controller sends control signals to the ejection actuator and the door opening and closing actuator, the ejection actuator pushes the door body to be separated from the box body, and the door opening and closing actuator controls the door body to be completely opened.

2. The refrigerator with the automatic door opening and closing function as claimed in claim 1, wherein the signal output ends of the first sensor and the second sensor are connected to a signal input end of a single chip microcomputer, the signal output end of the single chip microcomputer is connected to a signal input end of the controller, and the signal output end of the controller is connected to the ejection actuator and the door opening and closing actuator.

3. The refrigerator with the automatic door opening and closing function as claimed in claim 2, wherein a mounting seat is arranged on the door body, and the first sensor and the second sensor are both arranged on the mounting seat.

4. The refrigerator with the automatic door opening and closing function as claimed in claim 3, wherein a display screen is further arranged on the mounting seat, the display screen is connected with the controller, and the display screen is used for displaying food material information stored in the refrigerator body.

5. The automatic door opening and closing refrigerator as claimed in any one of claims 1 to 4, wherein the first sensor and the second sensor are capacitance sensors.

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