CN210832682U - 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 automatic door that opens of refrigerator, easy bump exists the potential safety hazard and invents. The refrigerator capable of automatically opening and closing the door comprises a refrigerator body and a door body, wherein the refrigerator body is in sliding connection with the door body, a plurality of obstacle detection modules are arranged on the bottom surface of the door body and are arranged in a mode that the detection range of the obstacle detection modules in the horizontal direction is larger than or equal to the width of the door body, when the door body is opened, the obstacle detection modules are used for detecting whether obstacles exist in the set range or not and sending signals to a controller of the refrigerator when the obstacles are detected, and the controller is used for controlling the door body to be opened and closed.

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 a common household appliance in people's lives, and along with the development of technology, the automatic door opening and closing refrigerator becomes the choice of most users, and the automatic door opening and closing refrigerator is opened and closed through the switch control refrigerator door, and is more convenient to use.

However, in the automatic opening and closing refrigerator, the refrigerator door can continuously move until the refrigerator door is completely opened and then stops moving, and in the opening process of the refrigerator door, if people or other obstacles appear in the movement track of the refrigerator door, for example, a child at home, the refrigerator door can collide with the child or other obstacles.

Because the quality of refrigerator door is great, especially when filling with edible material on the refrigerator door, its quality can further increase, so when the refrigerator door bumps, can produce great impact, if this impact acts on one's body the kid, probably makes the kid be injured, leads to dangerous the emergence, consequently, current automatic switch door refrigerator has great potential safety hazard when opening the door.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a pair of automatic switch door refrigerator can detect the in-process of opening the door body, whether has the barrier in the movement track of the door body to when detecting the barrier, the door body stop motion of in time control, thereby prevent that the refrigerator door body from colliding with people or barrier.

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

the utility model provides an automatic switch door refrigerator, includes the box and a body, the box with door body sliding connection, be provided with a plurality of obstacle detection module on the bottom surface of the door body, it is a plurality of obstacle detection module covers along the detection range of horizontal direction the width of the door body is opening during the door body, obstacle detection module is used for detecting whether there is the barrier in setting for the within range to send a signal to the controller of refrigerator when detecting the barrier, the controller is used for control the door body is opened and is closed.

The embodiment of the utility model provides an automatic switch door refrigerator, through set up a plurality of obstacle detection modules on the bottom surface of the door body, and a plurality of obstacle detection modules can cover door body the place ahead region along the detection range that the horizontal direction constitutes, thereby whether there is the barrier that probably collides through a plurality of obstacle detection modules detection settlement within range, when detecting that there is the barrier in the settlement within range, send the signal that detects the barrier to the controller of refrigerator by obstacle detection module, in time control door body stop motion by the controller, thereby avoid taking place door body collision; and the obstacle detection module is arranged on the bottom surface of the door body, so that the obstacle higher than the bottom surface of the door body and lower than the top surface of the door body can be conveniently detected.

Drawings

Fig. 1 is a schematic structural view of a refrigerator with an automatic door opening and closing function according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an obstacle detection module mounted on a door body according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a casing mounted on a door body according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a door body provided with a groove body according to an embodiment of the present invention;

fig. 5 is a partially enlarged view of a groove body on a door body according to an embodiment of the present invention;

fig. 6 is a partially enlarged view of the installation housing in the groove body of the door body according to the embodiment of the present invention;

fig. 7 is a schematic view of a sectional structure of a door body provided with an obstacle detection module and a housing according to an embodiment of the present invention;

fig. 8 is a schematic view of an internal structure of a housing according to an embodiment of the present invention;

fig. 9 is a schematic view of an external structure of a housing according to an embodiment of the present invention;

fig. 10 is a schematic view of a detection range of the obstacle detection module according to the embodiment of the present invention, in which an ultrasonic sensor is used as a detection element;

fig. 11 is a schematic diagram of a detection range of the obstacle detection module according to an embodiment of the present invention, in which optical sensors are used as detection elements (four optical sensors are used);

fig. 12 is a schematic diagram of a detection range of the obstacle detection module according to an embodiment of the present invention, in which an optical sensor is used as a detection element (two optical sensors are used);

fig. 13 is a schematic view of the whole flow in the door opening process of the automatic door opening and closing refrigerator provided by the embodiment of the present invention.

Reference numerals: 100. a door body; 101. a trough body; 102. a protrusion; 103. a wire passing hole; 110. an obstacle detection module; 111. an optical sensor; 112. a sensor circuit board; 113. a screw; 120. a housing; 121. a through hole; 122. a convex edge; 123. a clamping part; 200. and (4) a box body.

Detailed Description

The following describes the automatic door opening and closing refrigerator provided by the 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. 1, 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 100 of setting in the storeroom.

The storage compartment is a cabinet 200 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 100. 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 100 pivotably installed on the refrigerating chamber.

The embodiment of the utility model provides an automatic switch door refrigerator, box 200 with door body 100 sliding connection, as shown in fig. 2, be provided with a plurality of obstacle detection module 110 on the bottom surface of door body 100, it is a plurality of obstacle detection module 110 covers along the detection range of horizontal direction the width of door body 100, when opening the door, obstacle detection module 110 is used for detecting whether there is the barrier in the settlement range, sends a signal to the controller of refrigerator when detecting the barrier, the controller is used for controlling door body 100 and opens or close.

The embodiment of the utility model provides an automatic switch door refrigerator, through set up a plurality of obstacle detection module 110 on the bottom surface at the door body 100, and the detection range that a plurality of obstacle detection module 110 constitute along the horizontal direction can cover door body the place ahead region, thereby whether there is the obstacle that probably bumps in setting for the within range through a plurality of obstacle detection module 110 detections, when detecting to set for the within range when the obstacle, send the signal that detects the obstacle to the controller of refrigerator by obstacle detection module 110, by the controller in time control door body 100 stop motion, thereby avoid taking place door body 100 collision.

The set range is determined according to the actual use condition, so that the problem that the misjudgment rate of the barrier is high due to the fact that the selection range is too large, the door cannot be opened reliably, or the problem that the movement of the user cannot be avoided due to the fact that the selection range is too small is avoided; for example, if an obstacle within 5cm from the surface of door 100 is selected as an obstacle, door 100 is controlled to stop. If obstacle detection module 110 sets up when the door body 100 top surface, the walk-in door body 100 that is in the upside says, if user's height is higher than the height of this door body 100 bottom surface, and be less than the height of a body 100 top surface, when the user station is in the orbit of a body 100 time, because obstacle detection module 110 set up highly to be higher than user's height, consequently, can not detect the user, then can lead to a body 100 and user to bump this moment, so, the embodiment of the utility model provides an obstacle detection module 110 sets up on the bottom surface of a body, be convenient for detect highly being higher than a body bottom surface, and being less than the barrier of a body top surface.

The embodiment of the utility model provides an obstacle detection module 110 can adopt ultrasonic sensor, as detecting element such as microwave sensor or radar, can realize detecting the obstacle in the 100 movement tracks of the door body through set up a plurality of above-mentioned components on the door body 100, however, ultrasonic sensor, detecting element singleton costs such as microwave sensor and radar are higher, and its detection area is sector area, as shown in fig. 10, will make its whole regions that cover the 100 movement tracks of the door body, need the more component of quantity that sets up, this scheme cost is too high.

Therefore, the embodiment of the present invention provides that the obstacle detection module 110 includes an optical sensor 111 and a sensor circuit board 112, as shown in fig. 7 and 11, the sensor circuit board 112 is disposed on the bottom surface of the door body 100, the optical sensor 111 is electrically connected to the sensor circuit board 112, and the sensor circuit board 112 is electrically connected to the controller. The detection form of the optical sensor 111 is generally a linear form, and the detection is performed by emitting light and receiving light, so that the detection distance is long, and the detection area in front of the door body 100 can be covered without setting too many optical sensors, thereby reducing the overall cost.

Preferably, a wire through hole 103 is formed in the bottom surface of the tank body 101, and a connection wire between the sensor circuit board 112 and the controller is disposed in the wire through hole 103.

As shown in fig. 2 and 3, a housing 120 is disposed on the door body 100, the obstacle detection module 110 is disposed in the housing 120, as shown in fig. 6, a through hole 121 is disposed on the housing 120, as shown in fig. 9, and the optical sensor 111 transmits and receives light through the through hole 121. By disposing the obstruction detection module 110 inside the housing 120, the obstruction detection module 110 is protected as a whole, the service life is prolonged, and the through hole 121 is opened in the housing 120, so that the optical sensor 111 is not obstructed from emitting and receiving light.

In order to improve the overall aesthetic appearance of the door body, as shown in fig. 4, an embodiment of the present invention provides a groove body 101 is provided on the bottom surface of the door body 100, the casing 120 is disposed in the groove body 101, as shown in fig. 5 and 6, the part of the through hole 121 provided on the casing leaks outside the groove body 101. Set up obstacle detection module 110 on door body 100 bottom surface, can effectively detect the barrier that is in door body 100 movement track to set up casing 120 in cell body 101, only spill cell body 101 with the part that is provided with through-hole 121 on the casing 120, can not hinder obstacle detection module 110 transmission and received light promptly, make the casing 120 thickness that spills on the door body 100 bottom surface again reduce, be favorable to wholly pleasing to the eye.

The housing 120 and the door body 100 may be relatively fixed by providing a fastening structure between the bottom surface of the door body 100 and the outer wall of the housing 120, or may be connected by the following scheme, as shown in fig. 5 and 6, the two opposite side walls in the slot body 101 are respectively provided with a protrusion 102, as shown in fig. 8 and 9, the outer wall of the housing 120 is provided with a convex edge 122, as shown in fig. 7, the convex edge 122 is clamped between the protrusion 102 and the bottom surface of the slot body 101, so that the housing 120 is fixed in the slot body 101. The connection mode of the buckle structure arranged between the bottom surface of the door body 100 and the outer wall of the shell 120 is easy to see by users due to the buckle structure arranged on the surface of the door body 100, which is not beneficial to the overall beauty of the refrigerator, the protrusion 102 is arranged in the slot body 101, so that the convex edge 122 on the shell 120 is clamped between the protrusion 102 and the bottom surface of the slot body 101, when the device is installed, the shell 120 is pressed by external force to deform the shell 120, and then the shell 120 is placed in the slot 101, so that the convex edge 122 of the shell 120 goes over the two opposite protrusions 102, then, the external force is released to restore the shell 120, so that the convex edge 122 of the shell 120 is clamped between the bottom surface of the slot body 101 and the protrusion 102, thereby fixing the shell 120 in the slot body 101, according to the scheme, the connecting structure of the shell 120 and the door body 100 is hidden in the groove body 101, so that the connecting structure is not easy to see by a user, and the overall attractiveness of the refrigerator is further improved.

The connection mode of the sensor circuit board 112 and the housing 120 is not exclusive, for example, the sensor circuit board 112 may be fixed on the bottom surface inside the housing 120 by screws, or may be connected by the following scheme, as shown in fig. 8, a clamping portion 123 is provided on the inner side wall of the housing 120, and the sensor circuit board 112 is clamped between the clamping portion 123 and the bottom surface of the housing 120. Because the thickness of refrigerator door body 100 is limited, casing 120 itself of installation on door body 100 bottom surface is less, therefore, sensor circuit board 112's volume is also less, if through the screw connection, then need set up the screw hole on sensor circuit board 112, like this or increase the technology degree of difficulty, compare in this scheme, the inside scheme that sets up joint portion 123 of casing 120, only need in casing 120 inside set up be used for blocking sensor circuit board 112 protruding structure can, set up sensor circuit board 112 between joint portion 123 and casing 120 bottom surface can, set up outstanding joint structure in casing 120 and do not need too high technological requirement, thereby the processing degree of difficulty has been reduced.

Preferably, as shown in fig. 12, when half of the width of the refrigerator door 100 is smaller than the detection distance of the optical sensor 111, two optical sensors 111 are disposed on the bottom surface of the door 100, light rays emitted by the two optical sensors 111 intersect with each other, and the intersection point is located on the front side of the door 100, and two ends of the projection of the two light rays emitted by the two optical sensors 111 on the door 100 are respectively located on the edges of two sides of the door 100 or on the outer sides of the edges. Therefore, only two optical sensors 111 are arranged, the detection range can cover the front area of the door body, and the projection of the end points of the light rays emitted by the two optical sensors 111 on the door body 100 can exceed the edge of the door body 100, namely, the detection range of the two optical sensors 111 in the horizontal direction can cover the width of the door body and is larger than the width of the door body.

When the detection range of the optical sensor 111 is smaller than half of the width of the door body 100, at least three optical sensors 111 are arranged on the bottom surface of the door body 100, two adjacent obstacle detection modules 110 emit light rays or light ray reverse extension lines intersect, and two ends of a projection formed by the light rays emitted by the optical sensors 111 on the door body 100 are respectively located on the edges of two sides of the door body 100 or outside the edges. The detection range of the optical sensors 111 is small, so that the optical sensors 111 need to be uniformly arranged and distributed, two ends of the projection of the light rays emitted by the optical sensors 111 on the door body 100 are located on the edges of two sides of the door body 100 or on the outer sides of the edges, that is, the light rays emitted by the optical sensors 111 are staggered with each other to form a netted detection area, and the detection area covers the front area of the door body 100, so that the optical sensors 111 can detect the front area of the door body.

It is to be noted that only one optical sensor 111 may be provided in each obstacle detection module 110, as shown in fig. 12; it is also possible to provide two optical sensors 111, and two optical sensors 111 are arranged back to back, as shown in fig. 8, 11; the light that a plurality of optical sensor 111 that set up sent all forms certain contained angle with the front surface of door body 100 between to the light that two adjacent optical sensor 111 sent or the reverse extension line of light intersect, and many light forms the netted detection area of crisscross each other promptly, thereby makes the detection range of obstacle detection module 110 cover the whole area in door body 100 the place ahead.

The embodiment of the utility model provides a refrigerator adopts two obstacle detection module 110, is provided with two optical sensor 111 in every obstacle detection module 110, as shown in fig. 8, is provided with four optical sensor 111 altogether promptly, as shown in fig. 11, and the dotted line is the light of every optical sensor 111 transmission and receives the light in the picture, and the solid line is the obstacle detection area that four optical sensor 111 constitute.

The embodiment of the utility model provides a connected mode between optical sensor 111 and the sensor circuit board 112 is not only, can bond optical sensor 111 and sensor circuit board 112 through gluing, also can make optical sensor 111 with sensor circuit board 112 passes through screw 113 and connects, as shown in FIG. 8. Through gluing with the two bonding, the two is fixed relatively, and the later stage can not be adjusted optical sensor 111's transmission angle, compares in the connected mode that bonds, through 113 connected modes of screw, if optical sensor 111's transmission angle need be adjusted, only need become flexible screw 113, then can finely tune optical sensor 111's transmission angle, after adjusting suitable angle, again with screw 113 screw up fixed can.

Preferably, the detection range of the optical sensor 111 is 30cm to 50 cm. The detection range of the optical sensor 111 only needs to detect the obstacles in a certain range in front of the door body 100, and the detection range of the optical sensor 111 is 30-50 cm after repeated verification.

Preferably, an included angle between the light emitted from the optical sensor 111 and the front surface of the door body 100 is 15 ° to 30 °, as shown in fig. 2 and 11. The problem of the ultrasonic sensor and other elements is caused by too small included angle between the two optical sensors 111, the detection range is limited, so that the sensors to be installed are too many, but the included angle is too large, so that the existence of the obstacle can be detected only when the obstacle is close to the door body 100, and thus the obstacle collides with the door body 100 before the door body 100 stops moving, and therefore, the effect of the included angle between the optical sensors 111 and the front surface of the door body 100 is optimal after repeated verification, and at this time, the included angle between the light rays emitted by the two optical sensors 111 is between 120 ° and 150 °.

For reduce cost, the embodiment of the present invention preferably optical sensor 111 is an infrared pair tube, and compared with the ultrasonic sensor, microwave sensor and radar mentioned in the foregoing, the price of the infrared pair tube should be reduced by at least tens of times, and in optical sensor 111, for example, the price of the laser sensor should be higher than that of the infrared pair tube, therefore, the embodiment of the present invention preferably adopts the infrared pair tube as the detecting element, not only can realize the detection of the obstacle, but also can reduce the overall cost.

The embodiment of the utility model provides an automatic switch door refrigerator, as shown in fig. 8, fig. 10 and fig. 13, when triggering the refrigerator switch and making door 100 open, door 100 moves to opening direction, and in door 100 motion process, optical sensor 111 detects whether there is the barrier in door 100 the place ahead, when optical sensor 111 detects that there is no barrier in the place ahead, door 100 continues the motion, knows that door 100 opens the back completely, and the door stop motion; if the optical sensor 111 detects that an obstacle exists in front of the refrigerator, the optical sensor 111 sends a signal to a controller of the refrigerator, and the controller controls the door body 100 to stop moving in time, so that the door body 100 is prevented from colliding with the obstacle.

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 (10)

1. The utility model provides an automatic switch door refrigerator, its characterized in that, includes the box and the door body, the box with door body sliding connection, be provided with a plurality of obstacle detection module on the bottom surface of the door body, it is a plurality of obstacle detection module covers along the detection range of horizontal direction the width of the door body is opening during the door body, obstacle detection module is used for detecting whether there is the barrier in setting for the scope to send a signal to the controller of refrigerator when detecting the barrier, the controller is used for control opening and closing of the door body.

2. The refrigerator with the automatic door opening and closing function as claimed in claim 1, wherein the obstacle detection module comprises an optical sensor and a sensor circuit board, the sensor circuit board is arranged on the bottom surface of the door body, the optical sensor is electrically connected with the sensor circuit board, and the sensor circuit board is electrically connected with the controller.

3. The refrigerator as claimed in claim 2, wherein the obstacle detecting module is disposed in a housing, the housing has a through hole, and the optical sensor emits and receives light through the through hole.

4. The refrigerator with the automatic door opening and closing function as claimed in claim 3, wherein a groove body is arranged on the bottom surface of the door body, the shell is mounted in the groove body, the portion, provided with the through hole, of the shell is located outside the groove body, and the light emitted by the optical sensor penetrates out of the outer side of the door body along the through hole.

5. The refrigerator with the automatic door opening and closing function as claimed in claim 4, wherein the two opposite side walls in the groove body are respectively provided with a protrusion, the outer wall of the shell is provided with a convex edge, and the convex edge is clamped between the protrusion and the bottom surface of the groove body, so that the shell is fixed in the groove body.

6. The refrigerator with the automatic door opening and closing function as claimed in claim 3, wherein a clamping portion is provided on an inner side wall of the casing, and the sensor circuit board is clamped between the clamping portion and a bottom surface of the casing.

7. The refrigerator with the automatic door opening and closing function according to any one of claims 2 to 6, wherein when a detection range of the optical sensor is larger than half of the width of the door body, two optical sensors are arranged on the bottom surface of the door body, light rays emitted by the two optical sensors are intersected, an intersection point is located in the middle of the front side of the door body, and two ends of a projection formed by the two light rays emitted by the two optical sensors on the door body are respectively located on edges on two sides of the door body or on the outer sides of the edges.

8. The refrigerator according to any one of claims 2 to 6, wherein when a detection range of the optical sensor is smaller than a half of a width of the door body, at least three optical sensors are disposed on a bottom surface of the door body, light rays emitted from two adjacent barrier detection modules or reverse extension lines of the light rays intersect, and two ends of a projection formed by a plurality of light rays emitted from the optical sensors on the door body are respectively located on edges of two sides of the door body or outside the edges.

9. The refrigerator with the automatic door opening and closing function according to any one of claims 2 to 6, wherein an included angle between light rays emitted by the optical sensor and the front surface of the door body is 15-30 degrees.

10. The automatically opening and closing door refrigerator as claimed in any one of claims 2 to 6, wherein said optical sensor is an infrared pair tube.

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