CN216409415U - Food management device and refrigerator having the same - Google Patents

Abstract

The utility model provides a food material management device and a refrigerator having the same. The food management device has a box body, an electronic label, a radio frequency antenna, a main board, and an electromagnetic shielding structure. There is an accommodating space inside the box body. The electronic tags are arranged side by side in the accommodating space. The radio frequency antenna is arranged on the box body and is in communication connection with the electronic tag. The main board is in communication connection with the radio frequency antenna. The electromagnetic shielding structure is arranged on the side of the box body away from the electronic tag, so as to prevent the electronic tag from forming a communication connection with the radio frequency antenna after being taken out from the accommodating space. The refrigerator includes a box body, a door body, and the above-mentioned food material management device. The food material management device is arranged on the door body. The refrigerator also has a main control board and a display screen. The main control board is respectively connected with the display screen. The screen is connected to the main board for communication. With this arrangement, the correct recognition rate of the ingredients management device can be improved.

Description

Food management device and refrigerator having the same

technical field

The utility model relates to an ingredient management device and a refrigerator having the same, in particular to an ingredient management device for ingredient management and a refrigerator having the same.

Background technique

As the main carrier of household food storage, the refrigerator is a necessary equipment to ensure the nutrition and health of food. With the continuous development of society, intelligent transformation is the inevitable development direction of refrigerators. Some refrigerators in the prior art are provided with a radio frequency identification device, which enables the user to know the relevant information of the items stored in the refrigerator without opening the refrigerator. However, this design has the following defects. Due to factors such as the specific structure of the refrigerator compartment, the variety and complexity of the placement of ingredients in the refrigerator, and the different placement positions of the electronic labels, the problem of false identification may occur.

Utility model content

An object of the present invention is to provide an ingredient management device capable of improving the correct recognition rate and a refrigerator having the same.

In order to achieve the purpose of the above utility model, the present utility model provides a food material management device, the food material management device has a box body and has a accommodating space inside; electronic tags are provided with a plurality of and are arranged in parallel in the accommodating space The radio frequency antenna is arranged on the box body along the arrangement direction of the electronic tags, and is connected in communication with the electronic tag covered by its signal; the main board is in communication connection with the radio frequency antenna for receiving and identifying the radio frequency antenna The information to be transmitted; the electromagnetic shielding structure is arranged on the side of the box body away from the electronic tag, so as to prevent the electronic tag from forming a communication connection with the radio frequency antenna after being taken out of the accommodating space.

As a further improvement of the present invention, the electromagnetic shielding structure has a shielding plate, the box body has a main body portion, and the shielding plate and the main body portion enclose the accommodating space.

As a further improvement of the present invention, a clamping structure is provided between the shielding plate and the main body, and the shielding plate is clamped on the main body through the clamping structure.

As a further improvement of the present invention, the shielding plate is an electromagnetic wave absorbing material, and the radio frequency antenna is attached to the shielding plate.

As a further improvement of the present invention, the shielding plate is an electromagnetic shielding material, and the radio frequency antenna is arranged at a certain distance from the shielding plate.

As a further improvement of the present invention, the electromagnetic shielding structure is a shielding tape, and the shielding tape is attached to the box body.

As a further improvement of the present invention, a partition member is arranged in the accommodating space of the box body, and the partition member divides the accommodating space into a plurality of accommodating compartments, and the number of the accommodating compartments and the The number of electronic tags corresponds to one of the accommodating compartments for accommodating one of the electronic tags.

As a further improvement of the present invention, a clip is also arranged in the accommodating space, the clip is arranged in a one-to-one correspondence with the electronic label, and the electronic label is arranged on the clip and is arranged on the clip through the clip. in the accommodating space, so that the electronic tag can be clamped on the food material through the clip.

In order to achieve the purpose of the above utility model, the present utility model also provides a refrigerator, the refrigerator has a box body for storing food materials, a door body for opening and closing the box body, and the refrigerator also has the above-mentioned food material management The food management device is arranged on the door body, and the refrigerator also has a main control board and a display screen, and the main control board is respectively connected to the display screen and the main board in communication.

As a further improvement of the present invention, the box body is provided with a connecting portion, and the food material management device is detachably disposed on the inner side wall of the door body through the connecting portion.

Compared with the prior art, the beneficial effect of the present invention is that the correct recognition rate of the food management device can be improved.

Description of drawings

Below in conjunction with the accompanying drawings, the specific embodiments of the present utility model are described in further detail, wherein:

Fig. 1 is the overall structural schematic diagram of the food material management device of the present invention;

Fig. 2 is an exploded view of the ingredient management device in Fig. 1;

3 is a schematic structural diagram of a first side wall of the food material management device in FIG. 2;

Fig. 4 is the first direction schematic diagram of the exploded view of the clip of the food material management device in Fig. 2;

Fig. 5 is the second direction schematic diagram of the exploded view of the clip of the food material management device in Fig. 2;

FIG. 6 is a schematic structural diagram of the refrigerator of the present invention.

Detailed ways

The present invention will be described in detail below with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and structural, method, or functional transformations made by those of ordinary skill in the art according to these embodiments are all included within the protection scope of the present invention.

FIG. 1 is a schematic diagram of the overall structure of the food material management device of the present invention. FIG. 2 is an exploded view of the ingredient management device 1 in FIG. 1 . 1 and 2 show specific embodiments of the food material management device 1 of the present invention.

As shown in FIG. 2 , the food management tube 1 has a box body 10 , an electronic label 20 , a radio frequency antenna 30 , and a main board 40 .

Wherein, the box body 10 has an accommodating space 11 inside.

A plurality of the electronic tags 20 are arranged and arranged in the accommodating space 11 in parallel.

The radio frequency antennas 30 are disposed on the box body 10, and at least two are disposed along the arrangement direction of the electronic tags 20, and are communicatively connected to the electronic tags 20 covered by their signals.

The main board 40 is connected in communication with the radio frequency antenna 30 and is used for receiving and identifying the information transmitted by the radio frequency antenna 30 .

By adopting the above-mentioned structural design, it is possible to realize all-round recognition of the food management device 1 , eliminate blind spots in recognition, and prevent the occurrence of phenomena such as failure to recognize or inaccurate recognition.

Specifically, the box body 10 has a main body portion 12 and a first side wall 14 extending along the side-by-side arrangement direction of the electronic tags 20 . The main body portion 12 and the first side wall 14 enclose the aforementioned accommodating space 11 . The main body 12 has a second side wall 13 opposite to the first side wall 14 , and the accommodating space 11 is located between the first side wall 14 and the second side wall 13 .

A clamping structure is provided between the first side wall 14 and the main body portion 12 , and the first side wall 14 is connected to the main body portion 12 through the clamping structure. The engaging structure includes a first engaging portion 141 disposed on the first side wall 14 and a second engaging portion 121 disposed on the main body portion 12 .

FIG. 3 is a schematic structural diagram of the first side wall 14 of the food management device 1 in FIG. 2 . FIG. 3 shows a schematic structural diagram of the first clamping portion 141 disposed on the first side wall 14 .

As shown in FIG. 3 , the first clamping portion 141 of the clamping structure includes a first limiting column 142 , a second limiting column 143 , and a first buckle disposed on the surface of the first side wall 14 facing the main body portion 12 . 144 and the second buckle 145 .

There are two first limiting pillars 142 , which are stepped, and are symmetrically disposed on both ends of the upper side of the first side wall 14 . The second limiting column 143 is in the shape of a rectangular parallelepiped and is disposed in the middle position below the first side wall 14 . There are two first buckles 144 , and they are respectively symmetrically arranged at the ends of the two sides below the first side wall 14 . The lower surface of the first snap 144 is provided with a first snap protrusion 1441, and the first snap 144 is snapped on the main body portion 12 through the first snap protrusion 1441. There are two second buckles 145 , and are disposed below the first side wall 14 and between the two first buckles 144 . The upper surface of the second clip 145 has a second clip protrusion 1451 , and the second clip 145 is connected to the main body 12 through the second clip protrusion 1451 .

The second engaging portion 121 is disposed on the surface of the main body portion 12 facing the first side wall 14 and cooperates with the first limiting column 142 , the second limiting column 143 , the first buckle 144 and the second buckle 145 respectively. . With such arrangement, the structure is simple, the fixing is firm, and the installation is convenient.

There are a plurality of electronic tags 20 and are arranged in the accommodating space 11 in parallel.

Preferably, the electronic tag 20 is a passive tag, the radio frequency antenna 30 is a near-field induction coil antenna, the working frequency of the radio frequency antenna 30 is 13.56MHZ, and the distance between the electronic tag 20 and the radio frequency antenna 30 is not more than 10 cm.

Since the passive electronic tag 20 does not need to install a battery inside, but obtains the power required for its operation from the radio frequency energy emitted by the radio frequency antenna 30, this structural design can make the structure of the food management device 1 more compact, and Low cost and long service life.

Preferably, the accommodating space 11 is further provided with a clip 21, the clip 21 is arranged in a one-to-one correspondence with the electronic label 20, the electronic label 20 is arranged on the clip 21 and is arranged in the accommodating space 11 through the clip 21, the electronic label 20 is arranged in the accommodating space 11 through the clip 21. The label 20 can be clamped to the food material by means of clips. The electronic tag 20 can be attached to the surface of the clip 21 or hidden inside the clip 21 .

When the user uses it, the clip 21 can be taken out from the accommodating space 11 and clamped on the food, and the electronic tag 20 can be taken out along with the clip 21 and attached to the corresponding food; when the user finishes using, the clip 21 is put back into the accommodating space 11, the electronic tag 20 is then put back.

The outer surface of the clip 21 may also be attached with a picture mark or a text mark, and different marks correspond to different ingredients. The user can take out the electronic label 20 corresponding to the food material from the box body 10 according to the identification.

FIG. 4 is a schematic diagram of the first direction of the exploded view of the clip 21 of the food management device 1 in FIG. 2 .

As shown in FIG. 4 , the clip 21 includes a first clamping member 211 and a second clamping member 212 . The upper end of the first clamping member 211 has a first cavity 213, and a connecting column 214 is arranged in the first cavity 213. The surface of the lower end of the first clamping member 211 facing the second clamping member 212 is the first clamping surface 215, and the surface of the first clamping surface 215 is provided with a back-shaped pattern to increase the frictional force of the surface.

FIG. 5 is a schematic view of the second direction of the exploded view of the clip 21 of the food management device 1 in FIG. 2 .

As shown in FIG. 5 , the upper end of the second clamping member 212 has a second cavity 216 , and a connecting seat 217 is disposed in the second cavity 216 . The connecting seat 217 and the connecting column 214 are arranged in cooperation with each other, and a side of the connecting seat 217 facing the first clamping member 211 is provided with an assembly port 218 . The opening width of the fitting port 218 is smaller than the diameter of the connecting post 214 . The connecting post 214 is inserted through the assembling port 218 and can be pivotally fixed in the connecting seat 217 .

The inner surface of the second cavity 216 also protrudes with a cylindrical protrusion 219 , and the cylindrical protrusion 219 is located above the connecting seat 217 . A spring 220 is connected to the outer surface of the cylindrical protrusion 219 . One end of the spring 220 is pressed against the inner surface of the second cavity 216 , and the other end is pressed against the inner surface of the first cavity 213 .

The peripheral dimension of the upper end of the second clamping piece 212 is smaller than the corresponding dimension of the periphery of the first cavity 213 , so that the upper end of the second clamping piece 212 can enter the second cavity 213 when the spring 220 is compressed. The lower end of the second clamping member 212 has a second clamping surface 221 corresponding to the first clamping surface 215, and the surface of the second clamping surface 221 is also provided with a back-shaped pattern.

FIG. 4 and FIG. 5 show a schematic diagram of the preferred structure of the clip 21 in FIG. 2 , but the clip 21 can also adopt other structures.

This arrangement can facilitate the user to take and place the electronic tag 20 and attach the electronic tag 20 to the food material. The structure is simple, the installation is convenient, the cost is low, and the user can meet the needs of repeated use.

The radio frequency antennas 30 are correspondingly arranged according to the number and position of the electronic tags 20 . The number of radio frequency antennas 30 is plural and is disposed on the box body 10 along the direction in which the electronic tags 20 are placed side by side. Adjacent radio frequency antennas 30 are arranged at a certain distance and do not overlap. The radio frequency antenna 30 can be disposed on the first side wall 14 of the box body 10 or on the second side wall 13 of the box body 10 .

When in use, the radio frequency antenna 30 scans the electronic tag 20 located in the box body 10 , and transmits the information of the identified electronic tag 20 to the main board 40 .

This structural design can ensure that the radio frequency antenna 30 fully covers all the electronic tags 20 , realizes all-round identification of the food management device, and eliminates identification blind spots.

Preferably, the radio frequency antenna 30 is a PCB antenna, and the radio frequency antenna 30 can be pasted on the wall surface of the box body 10 by double-sided tape. This arrangement has the advantages of simple structure, convenient installation and low cost.

Preferably, all radio frequency antennas 30 are the same, and the number of electronic tags 20 is an even number. The preferred number of electronic tags 20 is more than eight, and the preferred number of radio frequency antennas 30 is two. This arrangement can facilitate the installation and replacement of the radio frequency antenna 30 , reduce maintenance costs, and at the same time maximize the utilization rate of the radio frequency antenna 30 .

The main board 40 is connected to the radio frequency antenna 30 in communication. Preferably, the main board 40 has a chip, and all the radio frequency antennas 30 may be electrically connected to the chip of the main board 40 through radio frequency switches or other means. When the radio frequency antennas 30 are working, each radio frequency antenna 30 performs scanning operations in sequence. , time-sharing.

With this arrangement, the production cost can be reduced while ensuring the realization of all-round identification of the food material management device 1 and eliminating the identification blind spot, and the structure is simple.

The structure of the food management device 1 may also be such that: the main board 40 has chips corresponding to the number of radio frequency antennas 30 , the radio frequency antennas 30 are connected to the chips in one-to-one correspondence, and multiple radio frequency antennas 30 work simultaneously. In this way, the identification efficiency of the radio frequency antenna 30 can be improved.

Preferably, the radio frequency antenna 30 is connected to the main board 40 through a coaxial cable. The box body 10 has a bottom wall 15 connecting the first side wall 14 and the second side wall 13 . The main board 40 is disposed below the bottom wall 15 of the box body 10 . With this arrangement, the overall structure of the food management device 1 can be made more compact, and the space occupation can be reduced.

As shown in FIG. 1 , the food management device 1 may also be provided with an electromagnetic shielding structure 50 , which is disposed on the side of the box body 10 away from the electronic tag 20 , so as to prevent the electronic tag 20 from being connected to the radio frequency antenna 30 after being taken out from the accommodating space 11 . form a communication link.

This arrangement can prevent the radio frequency antenna 30 from erroneously identifying the electronic tags 20 outside the box body 10 , and improve the correct identification rate of the radio frequency antenna 30 .

Preferably, as shown in FIG. 2 , the electromagnetic shielding structure 50 has a shielding plate 51 , which constitutes the first side wall 14 of the box body 10 , and the shielding plate 51 and the main body 12 enclose the accommodating space 11 . With such arrangement, the structure is simple, the fixing is firm, and the installation is convenient.

Preferably, the shielding plate 51 is made of electromagnetic wave absorbing material, and the radio frequency antenna 30 is attached to the shielding plate 51 . Further, the electromagnetic wave absorbing material is ferrite. This arrangement can improve the correct recognition rate of the food management device 1 , prevent the radio frequency antenna 30 from erroneously identifying the electronic tags 20 outside the box 10 , and avoid the electromagnetic shielding structure 50 from affecting the performance of the radio frequency antenna 30 .

The structure of the shielding plate 51 may also be an electromagnetic shielding material, and the radio frequency antenna 30 is arranged at a certain distance from the shielding plate 51 . The electromagnetic shielding material may be metal or an electromagnetic shielding plate-like member containing metal inside. In order to prevent the electromagnetic shielding material from reducing the performance of the radio frequency antenna 30 , the shielding plate 51 needs to be disposed at a certain distance from the radio frequency antenna 30 .

The electromagnetic shielding structure 50 may also be a shielding tape, and the shielding tape is directly pasted on the first side wall 14 of the box body 10 . This arrangement has the advantages of simple structure, convenient installation and low cost.

As shown in FIG. 2 , a partition member 60 may be arranged in the accommodating space 11 of the box body 10 . The partition member 60 divides the accommodating space 11 into a plurality of accommodating compartments 61 . Correspondingly, one accommodating compartment 61 is used for accommodating one electronic tag 20 .

Adopting this structural design can ensure the correct placement of the electronic tag 20, prevent the radio frequency antenna 30 from being unrecognized or repeatedly recognized due to improper placement of the electronic tag 20, and facilitate the user's pick and place at the same time.

As shown in FIG. 2 , two sides of the box body 10 are further provided with connecting portions 70 for fixing the box body 10 to other devices. The connecting portions 70 may be protrusions 71 disposed on both sides of the box body 10 in the length direction. The device to which the box body 10 is fixedly connected may be provided with an assembling groove that cooperates with the protrusion 71 . The protrusions 71 on the box body 10 can be inserted into the assembling grooves, so that the food management device 1 can be detachably connected to other devices. This arrangement has the advantages of simple structure, convenient disassembly and assembly, firm fixation and low cost.

FIG. 6 is a schematic structural diagram of the refrigerator 100 of the present invention. FIG. 6 shows a specific embodiment of the refrigerator 100 of the present invention.

As shown in FIG. 6 , the refrigerator 100 has a box body 110 for storing food materials, a door body 120 for opening and closing the box body, and the refrigerator also has the above-mentioned food material management device 1, and the food material management device 1 is arranged on the door body 120, The refrigerator 100 also has a main control board and a display screen, and the main control board is respectively connected to the display screen and the main board 40 for communication.

The main board 40 can transmit the information of the electronic tag 20 to the main control board, and the main control board can control the display screen to display the relevant information of the ingredients, and the display screen can be arranged on the outer surface of the door body 120 . Such setting can facilitate the user to see the relevant information of the ingredients and perform corresponding operations, so as to realize the intelligent management of the ingredients and improve the user experience.

The food management device 1 is detachably provided on the inner side wall of the door body through the above-mentioned connecting portion 70 . This arrangement has the advantages of simple structure, convenient disassembly and assembly, and at the same time, it is convenient for the user to take and place the electronic tag 20, so as to avoid occupying the external space of the refrigerator.

To sum up, the technical solutions provided by the present invention can effectively solve the problems of identification blind spots and low identification accuracy in the food material management device 1 . By adopting the technical solution provided by the present invention, it is possible to realize all-round recognition of the food management device 1 , eliminate blind spots in recognition, prevent the occurrence of unrecognized and inaccurate recognition, etc. The radio frequency antenna 30 erroneously identifies the electronic tag 20 outside the box body 10, and has a simple structure, convenient installation and high reliability.

It should be understood that although this specification is described in terms of embodiments, not every embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole, and each The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

A series of detailed descriptions listed above are only specific descriptions for the feasible embodiments of the present invention, they are not intended to limit the protection scope of the present invention, and all equivalents made without departing from the technical spirit of the present invention Embodiments or changes should all be included within the protection scope of the present invention.

Claims (10)

1. A food material management device is characterized in that the food material management device is provided with

The box body is internally provided with an accommodating space;

a plurality of electronic tags which are arranged in the accommodating space in parallel;

the radio frequency antenna is arranged on the box body along the arrangement direction of the electronic tags and is in communication connection with the electronic tags covered by the radio frequency antenna;

the main board is in communication connection with the radio frequency antenna and is used for receiving and identifying information transmitted by the radio frequency antenna;

and the electromagnetic shielding structure is arranged on one side of the box body, which deviates from the electronic tag, so that the electronic tag is prevented from being still in communication connection with the radio frequency antenna after being taken out from the accommodating space.

2. The food material management device of claim 1, wherein the electromagnetic shielding structure has a shielding plate, the box body has a main body portion, and the shielding plate and the main body portion enclose the accommodating space.

3. The food material management device of claim 2, wherein a clamping structure is arranged between the shielding plate and the main body part, and the shielding plate is clamped on the main body part through the clamping structure.

4. The food material management apparatus of claim 2, wherein the shielding plate is an electromagnetic wave absorbing material, and the rf antenna is attached to the shielding plate.

5. Food material management device as claimed in claim 2, characterized in that the shielding plate is an electromagnetic shielding material, and the radio frequency antenna is arranged at a distance from the shielding plate.

6. The food material management apparatus of claim 1, wherein the electromagnetic shielding structure is a shielding tape attached to the case.

7. The food material management device as recited in claim 1, wherein a partition is provided in the receiving space of the box body, the partition dividing the receiving space into a plurality of receiving compartments, the number of receiving compartments corresponding to the number of the electronic tags, and one receiving compartment is used for receiving one electronic tag.

8. The food material management device as recited in claim 1, wherein a clip is further disposed in the accommodating space, the clip and the electronic tag are disposed in a one-to-one correspondence, and the electronic tag is disposed on the clip and disposed in the accommodating space via the clip, so that the electronic tag can be clamped on the food material via the clip.

9. A refrigerator, the refrigerator has a box for depositing edible material, is used for opening and closing the door body of box, characterized in that, the refrigerator also has the edible material management device of claim 1 to 8, the edible material management device sets up on the door body, the refrigerator also has main control board and display screen, the main control board respectively with the display screen with mainboard communication connection.

10. The refrigerator as claimed in claim 9, wherein the case is provided with a connecting portion through which the food material management apparatus is detachably provided on an inner sidewall of the door body.

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