CN114183962B

CN114183962B - RFID tag clamp and refrigerator

Info

Publication number: CN114183962B
Application number: CN202010966311.9A
Authority: CN
Inventors: 高华亮; 鲍雨锋; 万磊; 刘铁伟; 张洋
Original assignee: Hisense Refrigerator Co Ltd
Current assignee: Hisense Refrigerator Co Ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2023-09-29
Anticipated expiration: 2040-09-15
Also published as: CN114183962A

Abstract

The application discloses an RFID tag clamp and a refrigerator, and relates to the technical field of refrigeration. The clamping device is convenient to operate, reliable in clamping and wide in application range. The RFID label clamp comprises a first clamping plate, a second clamping plate, an elastic piece and an RFID label, wherein the first clamping plate is hinged with the second clamping plate, the first clamping plate is of a hollow structure, and the RFID label is arranged in the first clamping plate; one end of the first clamping plate is provided with a first clamping part, the other end of the first clamping plate is provided with a first handheld part, one end of the second clamping plate is provided with a second clamping part, the other end of the second clamping plate is provided with a second handheld part, and when the first handheld part and the second handheld part are close to each other, the first clamping part and the second clamping part are far away from each other; the elastic piece can provide elastic force for the first clamping part and the second clamping part, the RFID tag clamp is very convenient to operate, and the clamping is reliable and has a wide application range by means of elastic force of the spring. The application also discloses a refrigerator. The application can be used for improving the performance of the RFID tag clamp and the refrigerator.

Description

RFID tag clamp and refrigerator

Technical Field

The application relates to the technical field of refrigeration, in particular to an RFID tag clamp and a refrigerator.

Background

RFID (radio frequency identification ) is a non-contact automatic identification technology, which automatically identifies a target object and acquires related data through radio frequency signals, and the identification work does not need manual intervention and can work in various severe environments. The RFID technology can identify high-speed moving objects and simultaneously identify a plurality of electronic tags, is rapid and convenient to operate and is frequently used in supermarkets.

The RFID technology is originally a means for manufacturing intelligent monitoring, since the last years RFID technology is applied to a refrigerator body, the indispensable food storage device is like having a pair of eyes, and can automatically identify food in the refrigerator, so that the intelligent upgrading of the refrigerator is realized, the RFID technology is generally identified by adopting an RFID tag clamp, namely, an RFID tag is embedded in a traditional sealing clamp, and the food is memorized and identified by adopting a refrigerator terminal or a mobile terminal.

Referring to fig. 1 to 3, the tag clip is an RFID tag clip 01 placed in a door shelf mounting box 02, and the conventional RFID tag clip is generally of a rotary opening type, and includes a movable clip 011 and a fixed clip 012, a first end of the movable clip 011 is rotatably connected to a first end of the fixed clip 012, a second end of the movable clip 011 is fastened to a second end of the fixed clip 012, and the movable clip 011 is rotatable around the first end of the fixed clip 012 to clamp or unclamp a food bag to be sealed. When the RFID tag clamp is used, firstly, the movable clamp head 011 is opened, then a food bag needing to be sealed is placed into the clamping groove 013 of the fixed clamp head 012, and then the movable clamp head 011 is buckled, so that the conventional RFID tag clamp is inconvenient to operate, and because the depth of each type of clamping groove 013 is fixed, when the sealing part of the food bag is too thin, the clamping force is insufficient, or the food bag cannot be clamped, and the application range is small.

Disclosure of Invention

The embodiment of the application provides an RFID tag clamp and a refrigerator, which are convenient to operate, reliable in clamping and wide in application range.

To achieve the above object, in one aspect, an embodiment of the present application provides an RFID tag clip, including: the clamping device comprises a first clamping plate, a second clamping plate and a first clamping plate, wherein a first clamping part is arranged at one end of the first clamping plate, and a first holding part is arranged at the other end of the first clamping plate; the second clamping plate is hinged with the first clamping plate, a second clamping part is arranged at one end of the second clamping plate, a second handheld part is arranged at the other end of the second clamping plate, and when the first handheld part and the second handheld part are close to each other, the first clamping part and the second clamping part are far away from each other; an elastic member capable of providing elastic force to the first clamping portion and the second clamping portion close to each other; an RFID tag; the first clamping plate is of a hollow structure, and the RFID tag is arranged in the first clamping plate.

On the other hand, the embodiment of the application provides a refrigerator, which comprises a storage room, a door body and an RFID tag clamp arranged on the door body, wherein the door body is used for opening or closing the storage room, and the RFID tag clamp is the RFID tag clamp.

The RFID tag clamp provided by the embodiment of the application comprises a first clamping plate, a second clamping plate, an elastic piece and an RFID tag, wherein the first clamping plate is hinged with the second clamping plate, the first clamping plate is of a hollow structure, and the RFID tag is arranged in the first clamping plate; the one end of first splint is equipped with first clamping part, the other end is equipped with first handheld portion, the one end of second splint is equipped with second clamping part, the other end is equipped with second handheld portion, because second splint and first splint are articulated and the elastic component can provide the elasticity that is close to each other for the second splint, therefore, when needing to press from both sides tight food bag, pinch first handheld portion and second handheld portion to the inboard simultaneously, first handheld portion and second handheld portion are close to each other, first clamping portion and second clamping portion keep away from each other, form the clearance between first clamping portion and the second clamping portion, put into this clearance with the sealing part of food bag, then loosen first handheld portion and second handheld portion, under the elastic component's elasticity effect, first clamping portion and second clamping portion are close to each other, until press from both sides the sealing part of food bag tightly. The embodiment of the application is very convenient to operate, the clamping is more reliable by means of the elastic force of the spring, even a very thin sealing bag can be reliably clamped, and the application range is wider.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a state diagram of a prior art RFID tag clip collected within a tag cassette;

FIG. 2 is a schematic diagram of a prior art RFID tag when clipped together;

FIG. 3 is a schematic diagram of a prior art RFID tag clip when open;

FIG. 4 is a schematic perspective view of an RFID tag clip according to an embodiment of the present application;

FIG. 5 is a schematic diagram of an exploded construction of an RFID tag clip according to an embodiment of the present application;

FIG. 6 is a schematic view of an exploded view of a first clamping plate in an RFID tag clip according to an embodiment of the present application;

fig. 7 is a schematic perspective view 1 of a refrigerator according to an embodiment of the present application;

fig. 8 is a schematic perspective view 2 of a refrigerator according to an embodiment of the present application;

FIG. 9 is a schematic diagram of a connection structure between a storage box and a refrigerator door for placing an RFID tag clip according to an embodiment of the present application;

FIG. 10 is a state diagram of a multi-functional drawer in a case for placing an RFID tag clip according to an embodiment of the present application when opened;

FIG. 11 is a schematic view of an RFID tag clip placed in a retaining groove according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should 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 the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

Along with the development of society, intelligent refrigerator has more and more entered people's life, especially has adopted the refrigerator of RFID technique, just like having a pair of eyes, can the food in the automatic identification refrigerator to realized the intelligent upgrading of refrigerator, RFID technique generally adopts the RFID tag clamp to discern, and the RFID tag clamp that is used for the refrigerator now is rectangular shape and rotates the lock formula generally, because the degree of depth of the draw-in groove that is used for joint sealing bag of this type of RFID tag clamp is fixed, consequently, when the sealing part of food bag is too thin, the clamping force is insufficient, or can't press from both sides tightly, and adaptability scope is less.

In order to solve the above technical problems, referring to fig. 4 and 5, an embodiment of the present application provides an RFID tag clip 10, which includes a first clamping plate 1, a second clamping plate 2, an elastic member 4 and an RFID tag 7, wherein the first clamping plate 1 and the second clamping plate 2 are hinged, the first clamping plate 1 is a hollow structure, and the RFID tag 7 is disposed in the first clamping plate 1. The first clamping part 15 is arranged at one end of the first clamping plate 1, the first holding part 14 is arranged at the other end of the first clamping plate, the second clamping part 21 is also arranged at one end of the second clamping plate 2, and the second holding part 22 is also arranged at the other end of the second clamping plate. Since the second clamping plate 2 is hinged to the first clamping plate 1, and the elastic member 4 can provide the elastic force for the second clamping plate 2 to approach each other, when the food bag needs to be clamped, the first and second holding parts 14 and 22 are pinched inward at the same time, the first and second holding parts 14 and 22 approach each other, the first and second holding parts 15 and 21 are separated from each other, a gap is formed between the first and second holding parts 15 and 21, the sealing part of the food bag is placed in the gap, and then the first and second holding parts 14 and 22 are released, and under the elastic force of the elastic member 4, the first and second holding parts 15 and 21 approach each other until the sealing part of the food bag is clamped. The embodiment of the application is very convenient to operate, the clamping is more reliable by means of the elastic force of the spring, even a very thin sealing bag can be reliably clamped, and the application range is wider.

With continued reference to fig. 4-6, in order to make the clamping between the clamping surface of the first clamping portion 15 and the clamping surface of the second clamping portion 21 more reliable, in some embodiments, the clamping surface of the first clamping portion 15 or the clamping surface of the second clamping portion 21 is provided with a first protrusion 111 for increasing friction, thereby increasing friction and making the clamping of the RFID tag clamp 10 of the embodiment of the present application more reliable. Note that the number of the first protrusions 111 for increasing the friction force may be one or plural, and is not limited herein, and when the number of the first protrusions 111 for increasing the friction force is plural, the arrangement of the plurality of first protrusions 111 for increasing the friction force may be a straight line, a rectangle, or the like, and is not limited herein.

In other embodiments, the clamping surfaces of the first clamping portion 15 and the second clamping portion 21 are planar, which is simpler and less costly to manufacture.

There are a variety of possible ways in which the first clamping plate 1 and the second clamping plate 2 may be hinged, with reference to fig. 4, and in some embodiments the first clamping plate 1 and the second clamping plate 2 are hinged by a hinge shaft 3, whereby the first clamping plate 1 and the second clamping plate 2 are more conveniently formed.

In other embodiments, one of the first clamping plate 1 or the second clamping plate 2 is integrally formed with the hinge shaft 3, thereby reducing the number of parts and simplifying the assembly process.

With continued reference to fig. 4, when an embodiment is adopted in which the first clamping plate 1 and the second clamping plate 2 are hinged through the hinge shaft 3, in some embodiments, the elastic member 4 is a torsion spring, the spiral section 43 of the torsion spring is sleeved on the hinge shaft 3, the first elastic arm 41 of the torsion spring is connected with the first clamping plate 1, and the second elastic arm 42 of the torsion spring abuts against the second clamping plate 2, so that the installation is more convenient, and the elasticity of the elastic member 4 is more reliable.

In other embodiments, the elastic member 4 may also be a spring plate, so that the cost of this embodiment is lower because the spring plate is easier to process.

Referring to fig. 5 and 6, when the elastic member 4 is a torsion spring, in some embodiments, the mounting seat 13 is provided on a side of the first clamping plate 1 adjacent to the second clamping plate 2, and the receiving groove 132 for receiving the torsion spring is provided on the mounting seat 13, thereby preventing the first clamping plate 1 or the second clamping plate 2 from being worn by the torsion spring even if the torsion spring is mounted, and improving the aesthetic property of the embodiment of the present application.

In other embodiments, the elastic sheet is directly arranged between the first clamping plate 1 and the second clamping plate 2, so that the structure of the embodiment is simpler and the production cost is lower.

Referring to fig. 4 to 6, when an embodiment is adopted in which the mounting seat 13 is provided on one side of the first clamping plate 1 adjacent to the second clamping plate 2, and the receiving groove 132 for receiving the torsion spring is provided on the mounting seat 13, in some embodiments, two first connecting lugs 131 are provided on one side of the first clamping plate 1 adjacent to the second clamping plate 2, two second connecting lugs 26 are provided on one side of the second clamping plate 2 adjacent to the first clamping plate 1, the two first connecting lugs 131 are both located between the first holding portion 14 and the first clamping portion 15, the two second connecting lugs 26 are both located between the second holding portion 22 and the second clamping portion 21, the two second connecting lugs 26 are respectively located outside the corresponding first connecting lugs 131, and the inner wall surface of the second connecting lugs 26 is abutted against the outer wall surface of the corresponding first connecting lugs 131, and the two second connecting lugs 26 and the two first connecting lugs 131 are hinged through the hinge shaft 3. Thereby, the two first connecting lugs 131 are restrained inside the two second connecting lugs 26, the first clamping plate 1 and the second clamping plate 2 do not move relatively along the axial direction of the hinge shaft 3, and clamping is more reliable.

In order to prevent the hinge shaft 3 from coming out of the first connecting lug 131 and the second connecting lug 26, the end of the hinge shaft 3 may be riveted to the second connecting lug 26, or the hinge shaft 3 may be connected to the second connecting lug 26 by a snap spring by providing a clamping groove on each of the hinge shaft 3 and the second connecting lug 26.

Referring to fig. 5 and 6, in some embodiments, the opening of the accommodating groove 132 faces the second clamping plate 2, two side walls of the accommodating groove 132 extend towards the direction approaching the second clamping plate 2 to form the two first connecting lugs 131, the mounting seat 13 is provided with a slot 133, one second connecting lug 26 is provided with a second protrusion 24, the spiral section 43 of the torsion spring is located in the accommodating groove 132, the first elastic arm 41 of the torsion spring is inserted into the slot 133, and the second elastic arm 42 of the torsion spring simultaneously abuts against the second protrusion 24 and the inner side of the second clamping plate 2.

Referring to fig. 6, in some embodiments, to facilitate replacement of the RFID tag 7, the first clamping plate 1 includes a case 11 and a case cover 12, where the case 11 and the case cover 12 are fastened to each other to form a receiving cavity, and the RFID tag 7 may be adhered in the receiving cavity.

In some embodiments, a region of the lid 12 near the outer edge is provided with a limit protrusion 121 in a closed loop shape, a corresponding position of the box body 11 is provided with a limit groove 112, the limit groove 112 is matched with the limit protrusion 121, and after the box body 11 is buckled with the lid 12, the limit protrusion 121 stretches into the limit groove 112, so that the relative movement of the box body 11 and the lid 12 can be prevented.

In other embodiments, the first clamping plate 1 may be a single piece, and the RFID tag 7 may be inserted into the first clamping plate 1 from the outlet of the hollow structure of the first clamping plate 1, which may reduce the number of parts.

When the embodiment in which the first clamping plate 1 includes the case 11 and the case cover 12 is adopted, in order to prevent moisture or foreign matter from entering the accommodating chamber, the RFID tag 7 is damaged, and the case 11 and the case cover 12 are hermetically connected in the embodiment of the present application.

In some embodiments, the case body 11 and the case cover 12 are sealed by ultrasonic welding, whereby welding can be performed by a robot or the like, and mass production can be achieved. In some embodiments, the case 11 and the case cover 12 may be bonded.

Referring to fig. 4, in some embodiments, the RFID tag clip 10 of the present application further includes a binding rope 6 connected to the first clamping plate 1, and when the boxed or canned food is required to be bound, the binding rope 6 can be bound to the box or the bottle, so that the present application can clamp the bagged food with the clip, and can bind the boxed or canned food with the binding rope 6, so that the tag of most food can be satisfied, and the application range is wider.

Referring to fig. 4 and 6, in some embodiments, the binding rope 6 is an elastic ring, the first clamping plate 1 is provided with a connection port 113, the elastic ring is connected to the connection port 113, the box cover 12 is provided with an avoidance port 122, and when the elastic ring is connected, one end of the elastic ring can firstly pass through the connection port and then pass through the other end of the elastic ring, so that the processing is more convenient and the elastic ring can be replaced more conveniently.

In some embodiments, the binding rope 6 is made of silica gel, and since silica gel is nontoxic and odorless, and more tableware now adopts silica gel, the binding rope 6 made of silica gel is safer for binding food materials. In other embodiments, the binding rope 6 may be made of rubber.

Referring to fig. 5, in some embodiments, the first hand-holding portion 14 is a cambered surface, so that the height of the RFID tag clip 10 according to the embodiment of the present application can be further reduced compared with a planar structure on the premise of satisfying the same clamping force, for example, the length of the rotating snap-type sealing clip according to the prior art is about 100mm, and the height of the RFID tag clip 10 according to the embodiment of the present application is 54mm, and since the RFID tag clip 10 according to the embodiment of the present application is generally placed in a refrigerator, the storage space of the RFID tag clip 10 according to the embodiment of the present application can be greatly reduced, thereby increasing the capacity of the refrigerator.

With continued reference to fig. 5, when an embodiment in which the first handheld portion 14 is a cambered surface is adopted, in some embodiments, the connection surface 25 between the second handheld portion 22 and the second clamping portion 21 is also a cambered surface, and the first handheld portion 14 is curved in a direction approaching the second handheld portion 22, and the second handheld portion 22 is curved in a direction separating from the first handheld portion 14, so that the ergonomics are better and the user experience can be improved.

Referring to fig. 7 and 8, the embodiment of the application provides a refrigerator at the same time, fig. 7 is a perspective view of a refrigerator door when the refrigerator door is closed, and fig. 8 is a perspective view of the refrigerator door when the refrigerator door is opened. Referring to fig. 7 and 8, the refrigerator according to the embodiment of the present application has an approximately rectangular parallelepiped shape. The appearance of the refrigerator is defined by a storage chamber 1 defining a storage space and a plurality of door bodies 2 disposed in the storage chamber 1, the door bodies 2 including a door body housing 21 located outside the storage chamber 1, a door body liner 22 located inside the lower storage chamber 1, an upper end cap 23, a lower end cap 24, and a heat insulating layer located between the door body housing 21, the door body liner 22, the upper end cap 23, and the lower end cap 24; typically, the insulation layer is filled with a foaming material. The RFID tag clip 10 described above is provided on the door body 2.

The storage compartment 1 is a box body having an opening, and the storage compartment 1 is vertically partitioned into a lower freezing compartment 1B and an upper refrigerating compartment 1A. Each of the partitioned spaces may have an independent storage space. In detail, the freezing chamber 1B is defined at the lower side of the storage chamber 1 and is selectively covered by a drawer-type freezing chamber door 2B. The space defined above the freezing chamber 1B is partitioned into left and right sides to define the refrigerating chambers 1A, respectively. The refrigerating chamber 1A may be selectively opened or closed by a refrigerating chamber door 2A pivotably installed on the refrigerating chamber 1A. The RFID tag clip 10 is mostly provided on the refrigerating chamber door body 2A.

Referring to fig. 9 to 11, the RFID tag clip 10 of the embodiment of the application is placed in a storage box 26, and the storage box 26 is disposed on a refrigerating compartment door 2A below a door shelf 25. The storage box 26 is drawer-type, including multi-functional drawer 27, be equipped with a plurality of spacing grooves 28 in the multi-functional drawer 27, application embodiment RFID label presss from both sides 10 and inserts in spacing groove 28, when needing to use RFID label clamp 10, pull open multi-functional drawer 27, take out RFID label clamp 10 can, from this, get to put application embodiment RFID label clamp 10 more convenient, and refrigerating chamber door body 2A is more pleasing to the eye.

The foregoing is merely illustrative embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present application, and the application should be covered. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims

1. An RFID tag clip, comprising:

the clamping device comprises a first clamping plate, a second clamping plate and a first clamping plate, wherein a first clamping part is arranged at one end of the first clamping plate, and a first holding part is arranged at the other end of the first clamping plate;

the second clamping plate is hinged with the first clamping plate, a second clamping part is arranged at one end of the second clamping plate, a second handheld part is arranged at the other end of the second clamping plate, and when the first handheld part and the second handheld part are close to each other, the first clamping part and the second clamping part are far away from each other; the first handheld part is an arc surface and is bent towards the direction approaching to the second handheld part; the connecting surface between the second handheld part and the second clamping part is also an arc surface, and the second handheld part is bent in a direction away from the first handheld part;

an elastic member capable of providing elastic force to the first clamping portion and the second clamping portion close to each other;

an RFID tag;

the first clamping plate is of a hollow structure, and the RFID tag is arranged in the first clamping plate;

wherein the second clamping part is provided with a clamping surface; in a state of not being subjected to external force, a gap is formed between a part of the second clamping plate, which is positioned between a hinge position and the clamping surface, and the first clamping plate, and the hinge position is a position where the second clamping plate is hinged with the first clamping plate.

2. The RFID tag clip of claim 1, wherein the clamping surface of the first clamping portion or the clamping surface of the second clamping portion is provided with a first protrusion for increasing friction.

3. The RFID tag clip of claim 1 or 2, wherein the second clamping plate is hinged to the first clamping plate through a hinge shaft, the elastic member is a torsion spring, a spiral section of the torsion spring is sleeved on the hinge shaft, a first elastic arm of the torsion spring is connected to the first clamping plate, and a second elastic arm of the torsion spring abuts against the second clamping plate.

4. The RFID tag clip of claim 3, wherein a mounting seat is provided on a side of the first clamping plate adjacent to the second clamping plate, and a receiving slot for receiving the torsion spring is provided on the mounting seat.

5. The RFID tag clip of claim 4, wherein two first connecting lugs are disposed on a side of the first clamping plate, which is adjacent to the second clamping plate, two second connecting lugs are disposed on a side of the second clamping plate, which is adjacent to the first clamping plate, the two first connecting lugs are disposed between the first holding portion and the first holding portion, the two second connecting lugs are disposed between the second holding portion and the second holding portion, the two second connecting lugs are disposed on outer sides of the corresponding first connecting lugs, respectively, and inner wall surfaces of the second connecting lugs are abutted against outer wall surfaces of the corresponding first connecting lugs, and the two second connecting lugs and the two first connecting lugs are hinged through the hinge shaft.

6. The RFID tag holder of claim 5, wherein the opening of the accommodating groove faces the second clamping plate, two side walls of the accommodating groove extend towards a direction close to the second clamping plate to form two first connecting lugs, a slot is formed in the mounting seat, a second protrusion is formed on one second connecting lug, a spiral section of the torsion spring is located in the accommodating groove, a first elastic arm of the torsion spring is inserted into the slot, and the second elastic arm of the torsion spring simultaneously abuts against the second protrusion and the inner side of the second clamping plate.

7. The RFID tag clip of claim 1, wherein the first clamping plate includes a case body and a case cover, the case body and the case cover being fastened to each other to form a receiving cavity, and the RFID tag being disposed in the receiving cavity.

8. The RFID tag clip of claim 7 wherein the case and cover are sealed by ultrasonic welding.

9. The RFID tag clip of claim 1, further comprising a binding string attached to the first clamping plate.

10. A refrigerator, comprising:

a storage room;

a door body for opening or closing the storage chamber; the door is characterized by further comprising an RFID tag clip arranged on the door body, wherein the RFID tag clip is the RFID tag clip according to any one of claims 1 to 9.