CN205536868U - Refrigerator based on RFID technique discernment food - Google Patents
Refrigerator based on RFID technique discernment food Download PDFInfo
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- CN205536868U CN205536868U CN201620108065.2U CN201620108065U CN205536868U CN 205536868 U CN205536868 U CN 205536868U CN 201620108065 U CN201620108065 U CN 201620108065U CN 205536868 U CN205536868 U CN 205536868U
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- refrigerator
- pcb board
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- rfid radio
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Abstract
The utility model provides a refrigerator based on RFID technique discernment food, the power distribution box comprises a box body, the inner space of box divides a plurality of holding chambeies absolutely become by transverse laminate board and vertical septum be provided with a RFID radio frequency device on the outer terminal surface of transverse laminate board, a RFID radio frequency device includes an antenna coil, an antenna coil anchor ring with transverse laminate board face is parallel, be provided with the 2nd RFID radio frequency device on vertical septum's the outer terminal surface, the 2nd RFID radio frequency device includes the 2nd antenna coil, the 2nd antenna coil anchor ring with the vertical septum face is parallel. The utility model discloses a vertical radio frequency antenna coil who places with the level makes the induction coil on antenna coil and the electronic tags produce the magnetic field that magnetic field center directions is level and vertical direction at the electromagnetic induction in -process, can fully enlarge the discernment scope to discerning from the inswept electronic tags of any angle, and the user can follow one's inclinations and place food, facilitates the use.
Description
Technical field
This utility model relates to an electro-technical field, particularly relates to a kind of refrigerator based on RFID technique identification food.
Background technology
At present, widely available along with multi-door refrigerator, conventional refrigerator (two) much utilize RFID technique to the food identifying in refrigerator, its antenna is typically mounted on sidewall, rear wall or doorframe inwall, but the antenna really utilized only has the antenna of side, being because all antennas produced magnetic field center direction during electromagnetic induction is horizontal direction, there is the situation of None-identified food label in one direction, thus reduces discrimination.
Utility model content
This utility model provides a kind of refrigerator based on RFID technique identification food, for the problem solving cannot identify food electronic tag in prior art comprehensively.
In order to achieve the above object, this utility model provides a kind of refrigerator based on RFID technique identification food, including casing, the inner space of described casing is become multiple containing cavity by horizontal laminate with vertical baffle disjunction, the outer face of described horizontal laminate is provided with a RFID radio-frequency unit, a described RFID radio-frequency unit includes first antenna coil, and described first antenna coil anchor ring is parallel with described horizontal laminate plate face.
Preferably, being provided with the 2nd RFID radio-frequency unit on the outer face of described vertical baffle, described 2nd RFID radio-frequency unit includes the second aerial coil, and described second aerial coil anchor ring is parallel with described vertical baffle plate face.
Preferably, a described RFID radio-frequency unit also includes that the first pcb board and the first reader, described first antenna coil are connected on described first pcb board；The 2/3-3/4 of a length of described horizontal laminate length of described first pcb board, and the first pcb board overlaps with the central point of horizontal laminate.
Preferably, described 2nd RFID radio-frequency unit also includes that the second pcb board and the second reader, described second aerial coil are connected on described second pcb board；The 2/3-3/4 of a length of described vertical baffle length of described second pcb board, and the second pcb board overlaps with the central point of vertical baffle.
Preferably, first antenna coil and the second aerial coil are a strip multiturn coil.
Preferably, first antenna coil and the second aerial coil include multiple monomer multiturn coils that uniform intervals is distributed.
Preferably, the spacing distance of adjacent two monomer multiturn coils is 3-6cm.
Preferably, a diameter of 4-8cm of monomer multiturn coil.
Preferably, described casing being additionally provided with control processor, described control processor is connected with described reader, for receiving the food label information that reader gets.
Preferably, described first antenna coil and the second aerial coil are square coil.
As shown from the above technical solution, this utility model is by the radio-frequency antenna coil vertically and horizontally placed, aerial coil is made to produce, with the induction coil on electronic tag, the magnetic field that magnetic field center direction is horizontally and vertically direction during electromagnetic induction, the electronic tag inswept from any angle can be identified, fully expand identification range, user can follow one's inclinations accommodating food, convenient uses.It addition, the magnetic field that the aerial coil of the aerial coil vertically placed and horizontal positioned produces all mutually through coil each other, thus will not be able to not interfere with each other between two coils.
Accompanying drawing explanation
The structural representation of the refrigerator that Fig. 1 provides for this utility model embodiment 1；
The structural representation of the refrigerator that Fig. 2 provides for this utility model embodiment 2；
The structural representation of the refrigerator that Fig. 3 provides for this utility model embodiment 3.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
Fig. 1 shows a kind of based on RFID technique identification food the refrigerator that this utility model embodiment 1 provides, including casing, the inner space of described casing 1 is become multiple containing cavity 4 by horizontal laminate 2 with vertical baffle 3 disjunction, in the present embodiment Fig. 1, described refrigerator is double-deck, and lower layer space is divided into two containing cavities 4 in left and right.
The outer face of described horizontal laminate 2 is provided with a RFID radio-frequency unit, a described RFID radio-frequency unit includes first antenna coil the 6, first pcb board 5 and the first reader 7, described first antenna coil is an overall strip multiturn coil, and it is connected on described first pcb board.Described first antenna coil anchor ring is parallel with described horizontal laminate plate face.When with the food of electronic tag inswept time, the induction coil on electronic tag that any non-vertical direction is inswept and first antenna coil all can make electric current pass through the chip on electronic tag due to electromagnetic induction phenomenon, the signal of certain frequency can be launched after chip energising, signal is read out by the first reader after the signal processing of the first pcb board, obtains the food label information corresponding to electronic tag.Can arrange control processor (not marking in figure) on described casing, described control processor is connected with described first reader, for receiving the food label information that the first reader gets.Described control processor can be shown on the display screen (not marking in figure) of casing after receiving food label information, checks for user.Wherein, described food label information can be the information such as food name, shelf-life.
In order to preferably obtain RF identification region, but the placement space of refrigerator apparatus device can not be affected, therefore, the 2/3-3/4 of a length of described horizontal laminate length of described first pcb board, and the first pcb board overlaps with the central point of horizontal laminate.But the scope of this length be not limited to above-mentioned within the scope of, its be only relatively preferably realize situation.
This utility model is by the radio-frequency antenna coil vertically placed, aerial coil is made to produce, with the induction coil on electronic tag, the magnetic field that magnetic field center direction is vertical direction during electromagnetic induction, can be identified from the electronic tag entering each upper and lower jacket space, fully expand identification range, user can follow one's inclinations accommodating food, convenient uses.
Fig. 2 shows a kind of based on RFID technique identification food the refrigerator that this utility model embodiment 2 provides, including casing, the inner space of described casing 1 is become multiple containing cavity 4 by horizontal laminate 2 with vertical baffle 3 disjunction, in the present embodiment Fig. 1, described refrigerator is double-deck, and lower layer space is divided into two containing cavities 4 in left and right.
The outer face of described horizontal laminate 2 is provided with a RFID radio-frequency unit, a described RFID radio-frequency unit includes first antenna coil the 6, first pcb board 5 and the first reader 7, described first antenna coil is an overall strip multiturn coil, and it is connected on described first pcb board.Described first antenna coil anchor ring is parallel with described horizontal laminate plate face.When with the food of electronic tag inswept time, the induction coil on electronic tag that any non-vertical direction is inswept and first antenna coil all can make electric current pass through the chip on electronic tag due to electromagnetic induction phenomenon, the signal of certain frequency can be launched after chip energising, signal is read out by the first reader after the signal processing of the first pcb board, obtains the food label information corresponding to electronic tag.Can arrange control processor (not marking in figure) on described casing, described control processor is connected with described first reader, for receiving the food label information that the first reader gets.Described control processor can be shown on the display screen (not marking in figure) of casing after receiving food label information, checks for user.Wherein, described food label information can be the information such as food name, shelf-life.
In order to preferably obtain RF identification region, but the placement space of refrigerator apparatus device can not be affected, therefore, the 2/3-3/4 of a length of described horizontal laminate length of described first pcb board, and the first pcb board overlaps with the central point of horizontal laminate.But the scope of this length be not limited to above-mentioned within the scope of, its be only relatively preferably realize situation.
The outer face of described vertical baffle is provided with the 2nd RFID radio-frequency unit, described 2nd RFID radio-frequency unit includes the second aerial coil the 9, second pcb board 8 and the second reader 10, described second aerial coil is an overall strip multiturn coil, and it is connected on described second pcb board.Described second aerial coil anchor ring is parallel with described vertical baffle plate face.When with the food of electronic tag inswept time, the induction coil on electronic tag and the second aerial coil that any non-horizontal directions is inswept all can make electric current pass through the chip on electronic tag due to electromagnetic induction phenomenon, the signal of certain frequency can be launched after chip energising, signal is read out by the second reader after the signal processing of the second pcb board, obtains the food label information corresponding to electronic tag.Can arrange control processor (not marking in figure) on described casing, described control processor is connected with described second reader, for receiving the food label information that the second reader gets.Described control processor can be shown on the display screen (not marking in figure) of casing after receiving food label information, checks for user.Wherein, described food label information can be the information such as food name, shelf-life.
In order to preferably obtain RF identification region, but the placement space of refrigerator apparatus device can not be affected, therefore, the 2/3-3/4 of a length of described vertical baffle length of described second pcb board, and the second pcb board overlaps with the central point of vertical baffle.But the scope of this length be not limited to above-mentioned within the scope of, its be only relatively preferably realize situation.
It should be noted that first antenna coil described in this utility model embodiment and the second aerial coil are square coil, circular coil or oval coil, but it is not limited to above-mentioned shape.
This utility model is by the radio-frequency antenna coil vertically and horizontally placed, aerial coil is made to produce, with the induction coil on electronic tag, the magnetic field that magnetic field center direction is horizontally and vertically direction during electromagnetic induction, the electronic tag inswept from any angle can be identified, fully expand identification range, user can follow one's inclinations accommodating food, convenient uses.It addition, the magnetic field that the aerial coil of the aerial coil vertically placed and horizontal positioned produces all mutually through coil each other, thus will not be able to not interfere with each other between two coils.
Fig. 3 shows a kind of based on RFID technique identification food the refrigerator that this utility model embodiment 3 provides, including casing, the inner space of described casing 1 is become multiple containing cavity 4 by horizontal laminate 2 with vertical baffle 3 disjunction, in the present embodiment Fig. 1, described refrigerator is double-deck, and lower layer space is divided into two containing cavities 1 in left and right.
The outer face of described horizontal laminate is provided with a RFID radio-frequency unit, a described RFID radio-frequency unit includes first antenna coil the 6, first pcb board 5 and the first reader 7, described first antenna coil includes multiple monomer multiturn coils spaced apart, its coil that actually diameter is less of described monomer multiturn coil, the spacing distance of adjacent two monomer multiturn coils is 3-6cm, a diameter of 4-8cm of monomer multiturn coil.But this numerical value be not limited to above-mentioned within the scope of, its be only relatively preferably realize situation.
Each monomer multiturn coil is both connected on described first pcb board.The setting of monomer multiturn coil can expand identification range more fully and strengthen the induction with electronic tag.Described monomer multiturn coil anchor ring is parallel with described horizontal laminate plate face.When with the food of electronic tag inswept time, the induction coil on electronic tag that any non-vertical direction is inswept and monomer multiturn coil can make electric current pass through the chip on electronic tag due to electromagnetic induction phenomenon, the signal of certain frequency can be launched after chip energising, signal is read out by the first reader after the signal processing of the first pcb board, obtains the food label information corresponding to electronic tag.Can arrange control processor (not marking in figure) on described casing, described control processor is connected with described first reader, for receiving the food label information that the first reader gets.Described control processor can be shown on the display screen (not marking in figure) of casing after receiving food label information, checks for user.Wherein, described food label information can be the information such as food name, shelf-life.
In order to preferably obtain RF identification region, but the placement space of refrigerator apparatus device can not be affected, therefore, the 2/3-3/4 of a length of described horizontal laminate length of described first pcb board, and the first pcb board overlaps with the central point of horizontal laminate.But the scope of this length be not limited to above-mentioned within the scope of, its be only relatively preferably realize situation.
The outer face of described vertical baffle is provided with the 2nd RFID radio-frequency unit, described 2nd RFID radio-frequency unit includes the second aerial coil the 9, second pcb board 8 and the second reader 10, described second aerial coil includes multiple monomer multiturn coils spaced apart, its coil that actually diameter is less of described monomer multiturn coil, the spacing distance of adjacent two monomer multiturn coils is 3-6cm, a diameter of 4-8cm of monomer multiturn coil.But this numerical value be not limited to above-mentioned within the scope of, its be only relatively preferably realize situation.
Each monomer multiturn coil anchor ring is parallel with described vertical baffle plate face.When with the food of electronic tag inswept time, the induction coil on electronic tag that any non-horizontal directions is inswept and monomer multiturn coil can make electric current pass through the chip on electronic tag due to electromagnetic induction phenomenon, the signal of certain frequency can be launched after chip energising, signal is read out by the second reader after the signal processing of the second pcb board, obtains the food label information corresponding to electronic tag.Can arrange control processor (not marking in figure) on described casing, described control processor is connected with described second reader, for receiving the food label information that the second reader gets.Described control processor can be shown on the display screen (not marking in figure) of casing after receiving food label information, checks for user.Wherein, described food label information can be the information such as food name, shelf-life.
In order to preferably obtain RF identification region, but the placement space of refrigerator apparatus device can not be affected, therefore, the 2/3-3/4 of a length of described vertical baffle length of described second pcb board, and the second pcb board overlaps with the central point of vertical baffle.But the scope of this length be not limited to above-mentioned within the scope of, its be only relatively preferably realize situation.
This utility model is by the radio-frequency antenna coil vertically and horizontally placed, aerial coil is made to produce, with the induction coil on electronic tag, the magnetic field that magnetic field center direction is horizontally and vertically direction during electromagnetic induction, the electronic tag inswept from any angle can be identified, fully expand identification range, user can follow one's inclinations accommodating food, convenient uses.It addition, the magnetic field that the aerial coil of the aerial coil vertically placed and horizontal positioned produces all mutually through coil each other, thus will not be able to not interfere with each other between two coils.
Embodiment 4: in the present embodiment, place unlike the embodiments above is: described first antenna coil includes multiple monomer multiturn coils spaced apart, and described second aerial coil is an overall strip multiturn coil.
Embodiment 5: in the present embodiment, place unlike the embodiments above is: described first antenna coil is an overall strip multiturn coil, and described second aerial coil includes multiple monomer multiturn coils spaced apart.
In addition, those skilled in the art it will be appreciated that, although embodiments more described herein include some feature included in other embodiments rather than further feature, but the combination of the feature of different embodiment means to be within the scope of this utility model and form different embodiments.Such as, in the following claims, one of arbitrarily can mode the using in any combination of embodiment required for protection.
It should be noted that this utility model is illustrated rather than by above-described embodiment this utility model is limited, and those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In the claims, any reference marks that should not will be located between bracket is configured to limitations on claims.Word " comprises " and does not excludes the presence of the element or step not arranged in the claims.Word "a" or "an" before being positioned at element does not excludes the presence of multiple such element.This utility model by means of including the hardware of some different elements and can realize by means of properly programmed computer.If in the unit claim listing equipment for drying, several in these devices can be specifically to be embodied by same hardware branch.Word first, second and third use do not indicate that any order.Can be title by these word explanations.
One of ordinary skill in the art will appreciate that: various embodiments above only in order to the technical solution of the utility model to be described, is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model claim limited range.
Claims (10)
1. a refrigerator based on RFID technique identification food, including casing, the inner space of described casing is become multiple containing cavity by horizontal laminate with vertical baffle disjunction, it is characterized in that, the outer face of described horizontal laminate is provided with a RFID radio-frequency unit, a described RFID radio-frequency unit includes first antenna coil, and described first antenna coil anchor ring is parallel with described horizontal laminate plate face.
Refrigerator the most according to claim 1, it is characterized in that, being provided with the 2nd RFID radio-frequency unit on the outer face of described vertical baffle, described 2nd RFID radio-frequency unit includes the second aerial coil, and described second aerial coil anchor ring is parallel with described vertical baffle plate face.
Refrigerator the most according to claim 1, it is characterised in that a described RFID radio-frequency unit also includes that the first pcb board and the first reader, described first antenna coil are connected on described first pcb board；The 2/3-3/4 of a length of described horizontal laminate length of described first pcb board, and the first pcb board overlaps with the central point of horizontal laminate.
Refrigerator the most according to claim 2, it is characterised in that described 2nd RFID radio-frequency unit also includes that the second pcb board and the second reader, described second aerial coil are connected on described second pcb board；The 2/3-3/4 of a length of described vertical baffle length of described second pcb board, and the second pcb board overlaps with the central point of vertical baffle.
Refrigerator the most according to claim 2, it is characterised in that first antenna coil and the second aerial coil are a strip multiturn coil.
Refrigerator the most according to claim 2, it is characterised in that first antenna coil and the second aerial coil include multiple monomer multiturn coils that uniform intervals is distributed.
Refrigerator the most according to claim 6, it is characterised in that the spacing distance of adjacent two monomer multiturn coils is 3-6cm.
Refrigerator the most according to claim 6, it is characterised in that a diameter of 4-8cm of monomer multiturn coil.
9. according to the refrigerator described in claim 3 or 4, it is characterised in that be additionally provided with control processor on described casing, described control processor is connected with described reader, for receiving the food label information that reader gets.
Refrigerator the most according to claim 1 and 2, it is characterised in that described first antenna coil and the second aerial coil are square coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108065.2U CN205536868U (en) | 2016-02-01 | 2016-02-01 | Refrigerator based on RFID technique discernment food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108065.2U CN205536868U (en) | 2016-02-01 | 2016-02-01 | Refrigerator based on RFID technique discernment food |
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| Publication Number | Publication Date |
|---|---|
| CN205536868U true CN205536868U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620108065.2U Expired - Fee Related CN205536868U (en) | 2016-02-01 | 2016-02-01 | Refrigerator based on RFID technique discernment food |
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| Country | Link |
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| CN (1) | CN205536868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571268A (en) * | 2016-02-01 | 2016-05-11 | 合肥华凌股份有限公司 | Refrigerator for recognizing food based on RFID technology |
| WO2020120368A1 (en) | 2018-12-12 | 2020-06-18 | BSH Hausgeräte GmbH | Refrigerator |
-
2016
- 2016-02-01 CN CN201620108065.2U patent/CN205536868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571268A (en) * | 2016-02-01 | 2016-05-11 | 合肥华凌股份有限公司 | Refrigerator for recognizing food based on RFID technology |
| WO2020120368A1 (en) | 2018-12-12 | 2020-06-18 | BSH Hausgeräte GmbH | Refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180212 Address after: 230601 Building No. 198, building No. 198, Mingzhu Avenue, Anhui high tech Zone, Anhui Patentee after: Hefei Midea Intelligent Technology Co., Ltd. Address before: 230601 Hefei economic and Technological Development Zone, Fairview Road, Anhui Co-patentee before: Midea Group Co., Ltd. Patentee before: Hefei Hualing Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20210201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |