CN108759274A - Refrigerator-freezer based on RFID technique - Google Patents
Refrigerator-freezer based on RFID technique Download PDFInfo
- Publication number
- CN108759274A CN108759274A CN201810456399.2A CN201810456399A CN108759274A CN 108759274 A CN108759274 A CN 108759274A CN 201810456399 A CN201810456399 A CN 201810456399A CN 108759274 A CN108759274 A CN 108759274A
- Authority
- CN
- China
- Prior art keywords
- inner housing
- rfid
- rfid antenna
- refrigerator
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000012774 insulation material Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims description 17
- 239000004033 plastic Substances 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 9
- 239000005340 laminated glass Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000005341 toughened glass Substances 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000008054 signal transmission Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- -1 for this purpose Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
Abstract
The present invention relates to a kind of refrigerator-freezers based on RFID technique, including cabinet, cabinet door, RFID antenna and thermal insulation material.Cabinet includes outer housing and inner housing.RFID antenna is arranged between inner housing and outer housing.Inner housing side wall corresponding with RFID antenna is unattenuated radiofrequency signal material shell.For filled thermal insulation materials between inner housing and outer housing, the thickness d for the thermal insulation material filled between RFID antenna and inner housing is at least 50mm.The above-mentioned refrigerator-freezer based on RFID technique, since RFID antenna is located between inner housing and outer housing, the thermal insulation material thickness filled between RFID antenna and inner housing is at least 50mm, such thermal insulation material plays good heat insulation effect to RFID antenna, is avoided that RFID antenna frosting ponding and the bad phenomenon damaged.Meanwhile the cold air in cabinet will not contact with the antenna body of RFID antenna and antenna oscillator and antenna oscillator is caused to generate deformation since temperature declines, and can guarantee RFID antenna recognition effect.
Description
Technical field
The present invention relates to a kind of refrigerator-freezers, more particularly to a kind of refrigerator-freezer based on RFID technique.
Background technology
Traditional refrigerator-freezer based on RFID (Radio Frequency Identification, Radio Frequency Identification Technology) technology
Inner and outer shell be metal shell.Since metal shell plays the role of shielded radio frequency signal, if RFID antenna can incude
RFID antenna is typically installed in and is based on by the RFID electronic label being sticked on the cargo inside to the refrigerator-freezer based on RFID technique
On the refrigerator-freezer inner wall of RFID technique.However, RFID antenna is arranged when on the refrigerator-freezer inner wall based on RFID technique, cold air meeting
It is contacted with the antenna body of RFID antenna and antenna oscillator, causes antenna oscillator to generate certain deformation since temperature declines, cause
Antenna performance is varied from, and influences RFID antenna recognition effect.In addition, RFID antenna outer surface and refrigerator-freezer shell or directly and ice
Cold air contacts in cabinet, meeting frosting and product on the component that RFID antenna outer surface, connector cable and antenna casing may contact
Water eventually leads to the component oxidation of RFID antenna, decomposes damage.
Invention content
Based on this, it is necessary to overcome the deficiencies of existing technologies, provide a kind of refrigerator-freezer based on RFID technique, it avoids influencing
The recognition effect of RFID antenna is avoided that RFID antenna frosting ponding damages, while can also retain the original heat insulation effect of refrigerator-freezer.
Its technical solution is as follows：A kind of refrigerator-freezer based on RFID technique, including：Cabinet, cabinet door, the cabinet door can be opened and closed
It is arranged at the window of the cabinet, the cabinet includes outer housing and inner housing, and the inner housing is connected with the outer housing,
The inner housing is accordingly arranged inside the outer housing；RFID antenna, the RFID antenna are arranged in the inner housing and institute
Between stating outer housing, inner housing side wall corresponding with the RFID antenna is unattenuated radiofrequency signal material shell；And it protects
Adiabator, the filled thermal insulation materials are between the inner housing and the outer housing, the RFID antenna and the inner housing
Between the thickness d of thermal insulation material filled be at least 50mm.
The above-mentioned refrigerator-freezer based on RFID technique, due to being arranged RFID antenna between inner housing and outer housing, and
The thickness d for the thermal insulation material filled between RFID antenna and inner housing is at least 50mm, and such thermal insulation material plays RFID antenna
To good heat insulation effect, it is avoided that RFID antenna frosting ponding and the bad phenomenon damaged.Meanwhile the cold air in cabinet is not
It can be contacted with the antenna body of RFID antenna and antenna oscillator and antenna oscillator is caused to generate deformation, Bu Huiying since temperature declines
It rings and arrives antenna performance, can guarantee RFID antenna recognition effect.It is picked and placeed in addition, RFID antenna does not interfere with cargo, is avoided that cargo
RFID antenna is damaged, protective action is played to RFID antenna.In addition, inner wall corresponding with RFID antenna is believed for unattenuated radio frequency
Number material shell, radiofrequency signal can normally through unattenuated radiofrequency signal material shell, RFID antenna on the cargo inside cabinet
RFID electronic label between signal transmission will not be influenced by unattenuated radiofrequency signal material shell, RFID antenna can be normal
Work.
Further, the thermal insulation material is polyurethane foam plastics.
Further, the inner housing includes the first inner housing and the second inner housing being connected with each other, first inner casing
Body is shielding inner housing, and second inner housing is unattenuated radiofrequency signal material shell, second inner housing and the RFID
The corresponding setting of antenna.
Further, first inner housing is located at four side walls of the inner housing, and second inner housing is located at institute
The bottom wall of inner housing is stated, the cabinet door is located at the top of the cabinet.
Further, the refrigerator-freezer based on RFID technique further includes more than one condenser pipe, first inner housing
Inner housing is shielded for conduction cooling, the condenser pipe is circumferentially disposed around first inner housing.
Further, the outer housing, first inner housing are metal shell, and second inner housing is plastic cement
Shell.
Further, second inner housing is ABS plastic shell.
Further, the cabinet door is shield glass；More than one cargo plastic frame is equipped in the cabinet.
Further, the cabinet door is that surface is equipped with metallic diaphragm or the tempered glass of metal oxide film layer.
Further, the cabinet door is laminated glass, and woven wire is folded in the laminated glass.
Description of the drawings
Fig. 1 is the refrigerator-freezer structural schematic diagram based on RFID technique described in one embodiment of the invention；
Fig. 2 is the side sectional view of the refrigerator-freezer based on RFID technique described in one embodiment of the invention；
Fig. 3 is the schematic top plan view of the refrigerator-freezer based on RFID technique described in one embodiment of the invention；
Fig. 4 is the internal structure schematic diagram of the refrigerator-freezer based on RFID technique described in one embodiment of the invention；
Fig. 5 is the side, sectional for being internally provided with cargo of the refrigerator-freezer based on RFID technique described in one embodiment of the invention
Figure.
Reference numeral：
100, refrigerator-freezer, 110, cabinet, 111, outer housing, 112, inner housing, the 1121, first inner housing, the 1122, second inner casing
Body, 120, cabinet door, 130, RFID antenna, 140, thermal insulation material, 150, condenser pipe, 160, cargo plastic frame, 170, load-bearing interlayer,
200, cargo, 210, RFID electronic label.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific implementation mode be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of violating present inventive concept, therefore the present invention is not limited by following public specific embodiment.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indicating or implies relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
It in the description of the present invention, it is to be understood that, can be with when an element is considered as " connection " another element
It is directly to another element or may be simultaneously present intermediary element.On the contrary, when element be referred to as " direct " with it is another
When element connects, intermediary element is not present.
In one embodiment, it please refers to Fig.1, Fig. 2 and Fig. 3, a kind of refrigerator-freezer 100 based on RFID technique, including cabinet
110, cabinet door 120, RFID antenna 130 and thermal insulation material 140.The cabinet door 120 can be opened and closed that the window in the cabinet 110 is arranged
At mouthful.The cabinet 110 includes outer housing 111 and inner housing 112.The inner housing 112 is connected with the outer housing 111, institute
Inner housing 112 is stated accordingly to be arranged inside the outer housing 111.The RFID antenna 130 is arranged in the inner housing 112 and institute
It states between outer housing 111.The side wall corresponding with the RFID antenna 130 of the inner housing 112 is unattenuated radiofrequency signal material
Mass shell.The thermal insulation material 140 is filled between the inner housing 112 and the outer housing 111, the RFID antenna 130 with
The thickness d for the thermal insulation material 140 filled between the inner housing 112 is at least 50mm.Specifically, the thermal insulation material 140 is
Polyurethane foam plastics.
The above-mentioned refrigerator-freezer 100 based on RFID technique, due to being arranged RFID antenna 130 in inner housing 112 and outer housing
Between 111, and the thickness d for the thermal insulation material 140 filled between RFID antenna 130 and inner housing 112 is at least 50mm, so protects
Adiabator 140 plays good heat insulation effect to RFID antenna 130, is avoided that 130 frosting ponding of RFID antenna and damages not
Good phenomenon.Meanwhile the cold air in cabinet 110 will not contact with the antenna body of RFID antenna 130 and antenna oscillator and be caused
Antenna oscillator generates deformation since temperature declines, and does not interfere with antenna performance, can guarantee 130 recognition effect of RFID antenna.This
Outside, RFID antenna 130 does not interfere with cargo 200 and picks and places, and is avoided that cargo 200 damages RFID antenna 130, to RFID antenna 130
Play protective action.In addition, side wall corresponding with RFID antenna 130 is unattenuated radiofrequency signal material shell, radiofrequency signal energy
Enough normally through unattenuated radiofrequency signal material shell, RFID antenna 130 and the RFID electronics on the cargo 200 inside cabinet 110
Signal transmission between label 210 will not be influenced by unattenuated radiofrequency signal material shell, and RFID antenna 130 being capable of normal work
Make.
In addition, further, the inner housing 112 includes the first inner housing 1121 and the second inner housing being connected with each other
1122.First inner housing 1121 is shielding inner housing 112.Second inner housing 1122 is unattenuated radiofrequency signal material
Shell, second inner housing, 1122 setting corresponding with the RFID antenna 130.In this way, the first inner housing 1121 can avoid
Extraneous radiofrequency signal interferes RFID antenna 130, can also avoid the radiofrequency signal of RFID antenna 130 from leaking right outside cabinet 110
Health impacts, while avoiding to 100 external environment of refrigerator-freezer and electrically causing electromagnetic pollution and electromagnetic interference.In second
Shell 1122 is unattenuated radiofrequency signal material shell, RFID antenna 130 and the RFID electronics on the cargo 200 inside cabinet 110
Signal transmission between label 210 will not be influenced by the second inner housing 1122, can be worked normally.
In one embodiment, first inner housing 1121 is located at four side walls of the inner housing 112, and described second
Inner housing 1122 is located at the bottom wall of the inner housing 112, and the cabinet door 120 is located at the top of the cabinet 110.In this way, above-mentioned
The refrigerator-freezer 100 based on RFID technique be the upward horizontal chest freezer 100 of window, condenser pipe 150 is accordingly set to 110 surrounding of cabinet
On side wall, RFID antenna 130 is correspondingly positioned at the bottom of cabinet 110.In addition, being not the top for cabinet 110 for cabinet door 120
The refrigerator-freezer 100 based on RFID technique, i.e. the window of cabinet 110 is opened in the side of cabinet 110, at this point, the second inner housing
1122 are also not necessarily limited to positioned at the bottom of cabinet 110, and the side opposite with window in cabinet 110 can be arranged in the second inner housing 1122
Portion, i.e. RFID antenna 130 are also not necessarily limited to be arranged in the bottom of cabinet 110, enable to RFID antenna 130 to have so preferable
Radiation effect, the radio signal transmission between RFID antenna 130 and RFID electronic label 210 are good.It is understood that in order to increase
The radiation scope of big RFID antenna 130, can be set as two or more by RFID antenna 130.
Further, also referring to Fig. 4, the refrigerator-freezer 100 based on RFID technique further includes more than one condensation
Pipe 150.First inner housing 1121 is that conduction cooling shields inner housing 112, and the condenser pipe 150 is around first inner housing 1121
It is circumferentially disposed.In this way, condenser pipe 150 contacts the first inner housing 1121 passes to the first inner housing 1121 by cold, the can be made
One inner housing, 1121 temperature reduces, and since the first inner housing 1121 is conduction cooling shielding material, the first inner housing 1121 specifically can be with
For metal shell, heat can quickly be passed to the first inner housing 1121 by such condenser pipe 150 makes cabinet 110 be in low temperature ring
Border.In addition it is also possible to be recycled inside cabinet 110 to realize that cabinet 110 freezes by internal fan rotation forces cold air.
Further, the outer housing 111, first inner housing 1121 are metal shell, second inner housing
1122 be plastic casing.In this way, outer housing 111 and the first inner housing 1121 play good shielding action, plastic cement to radiofrequency signal
Shell can allow radiofrequency signal to pass through, and not interfere with radiofrequency signal.ABS plastic shell specifically can be selected in second inner housing 1122.
In one embodiment, the cabinet door 120 is shield glass.Specifically, the cabinet door 120 is that surface is equipped with metal
The tempered glass or the cabinet door 120 of film layer or metal oxide film layer are the laminated glass that centre is folded with woven wire.
In this way, cabinet door 120 can shield the radiofrequency signal that RFID antenna 130 is sent out, avoid outside the radiofrequency signal that RFID antenna 130 sends out
It lets out, and the electromagnetic signal outside system decaying can be faced upward, avoid external electromagnetic signal from passing through shield glass, prevent external radio-frequency signal
Upset 110 internal RF ID radiofrequency signals of cabinet.In addition, the tempered glass of silver-plated material can also prevent cabinet 110 to a certain degree
Inner surface is exchanged with each other transmission with 110 outer temperature of cabinet, plays good insulation effect.
Further, please refer to fig. 5, being equipped with more than one cargo plastic frame 160 in the cabinet 110.Specifically,
Cargo plastic frame 160 can be independent multiple, can also be black box of the inside of cabinet 110 using plastic cement material customization,
It is installed in cabinet 110 and plays the role of that different cargos 200 are isolated.Cargo plastic frame 160 is unmasked material, for building cabinet
The ideal radio frequency environment in 110 inside of body, cargo plastic frame 160 will not interfere the RFID electricity posted on RFID antenna 130 and cargo 200
Signal transmission between subtab 210.In addition, putting separation to be conducive to cargo 200, can be set between cargo plastic frame 160
Set load-bearing interlayer 170.Load-bearing interlayer 170 using unmasked material or is not constituted upper layer RFID electronic label recognition effect accordingly
The material of larger impact, for example, ABS plastic, greater lattice metal mesh, RFID antenna 130 and cargo 200 will not be interfered in this way
On signal transmission between the RFID electronic label 210 posted, when practical application can be the integral grid component of customization, constitute
Commodity classification interlayer, for this purpose, plastic frame is alternatively selectable unit (SU).
Specifically, cabinet 110 is internally provided with the inductor for incuding 120 folding condition of cabinet door.Inductor and RFID
Antenna 130 is electrically connected, corresponding to control 130 power operation of RFID antenna when inductor senses that cabinet door 120 is opened；Inductor
When sensing that cabinet door 120 is closed, the corresponding RFID antenna 130 that controls is opened.In this way, when cabinet door 120 is opened, RFID antenna 130
Power-off is stopped, and can be entered after cabinet 110 to RFID antenna by 110 window of cabinet to avoid extraneous radiofrequency signal
130 interfere, while RFID antenna is closed, and also can avoid RFID signal and are leaked to ice by 110 window of cabinet
Outside cabinet；When inductor senses that cabinet door 120 is closed, the corresponding RFID antenna 130 that controls is opened, RFID antenna 130 be powered after
Continuous normal work.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of refrigerator-freezer based on RFID technique, which is characterized in that including：
Cabinet, cabinet door, the cabinet door can be opened and closed to be arranged at the window of the cabinet, and the cabinet includes outer housing and inner casing
Body, the inner housing are connected with the outer housing, and the inner housing is accordingly arranged inside the outer housing；
RFID antenna, the RFID antenna are arranged between the inner housing and the outer housing, the inner housing with it is described
The corresponding side wall of RFID antenna is unattenuated radiofrequency signal material shell；And
Thermal insulation material, the filled thermal insulation materials between the inner housing and the outer housing, the RFID antenna with it is described
The thickness d for the thermal insulation material filled between inner housing is at least 50mm.
2. the refrigerator-freezer according to claim 1 based on RFID technique, which is characterized in that the thermal insulation material is polyurethane foam
Foam plastics.
3. the refrigerator-freezer according to claim 1 based on RFID technique, which is characterized in that the inner housing includes being connected with each other
The first inner housing and the second inner housing, first inner housing is shielding inner housing, and second inner housing is unattenuated to penetrate
Frequency signal material shell, the second inner housing setting corresponding with the RFID antenna.
4. the refrigerator-freezer according to claim 3 based on RFID technique, which is characterized in that first inner housing is located at described
Four side walls of inner housing, second inner housing are located at the bottom wall of the inner housing, and the cabinet door is located at the top of the cabinet
Portion.
5. the refrigerator-freezer according to claim 4 based on RFID technique, which is characterized in that further include more than one condenser pipe,
First inner housing is that conduction cooling shields inner housing, and the condenser pipe is circumferentially disposed around first inner housing.
6. the refrigerator-freezer according to claim 3 based on RFID technique, which is characterized in that the outer housing, in described first
Shell is metal shell, and second inner housing is plastic casing.
7. the refrigerator-freezer according to claim 6 based on RFID technique, which is characterized in that second inner housing is moulded for ABS
Glue shell.
8. the refrigerator-freezer based on RFID technique according to claim 1 to 7 any one, which is characterized in that the cabinet door is
Shield glass；More than one cargo plastic frame is equipped in the cabinet.
9. the refrigerator-freezer according to claim 8 based on RFID technique, which is characterized in that the cabinet door is that surface is equipped with metal
The tempered glass of film layer or metal oxide film layer.
10. the refrigerator-freezer according to claim 8 based on RFID technique, which is characterized in that the cabinet door is laminated glass, institute
It states and is folded with woven wire in laminated glass.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456399.2A CN108759274A (en) | 2018-05-14 | 2018-05-14 | Refrigerator-freezer based on RFID technique |
| AU2019268405A AU2019268405A1 (en) | 2018-05-14 | 2019-05-14 | RFID RF freezer |
| PCT/AU2019/050450 WO2019218003A1 (en) | 2018-05-14 | 2019-05-14 | Rfid rf freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456399.2A CN108759274A (en) | 2018-05-14 | 2018-05-14 | Refrigerator-freezer based on RFID technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108759274A true CN108759274A (en) | 2018-11-06 |
Family
ID=64010464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810456399.2A Pending CN108759274A (en) | 2018-05-14 | 2018-05-14 | Refrigerator-freezer based on RFID technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108759274A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020065039A1 (en) * | 2000-11-27 | 2002-05-30 | Philippe Benezech | Assembly comprising a cabinet and a system for communicating by radiofrequency waves with objects placed in the cabinet |
| US20020183882A1 (en) * | 2000-10-20 | 2002-12-05 | Michael Dearing | RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags |
| US20100328037A1 (en) * | 2007-06-29 | 2010-12-30 | Avonwood Developments Limited | rfid monitoring system |
| CN203298550U (en) * | 2013-05-14 | 2013-11-20 | 北京市农林科学院 | Mobile wireless digital display cool storage and refrigeration multifunctional freezer |
| CN203443210U (en) * | 2013-07-15 | 2014-02-19 | 宁波康拜恩电器有限公司 | Structure-improved refrigerator |
| CN106037353A (en) * | 2016-08-23 | 2016-10-26 | 上海城市燃气技术有限公司 | Electromagnetic shielding glass-door display case |
-
2018
- 2018-05-14 CN CN201810456399.2A patent/CN108759274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020183882A1 (en) * | 2000-10-20 | 2002-12-05 | Michael Dearing | RF point of sale and delivery method and system using communication with remote computer and having features to read a large number of RF tags |
| US20020065039A1 (en) * | 2000-11-27 | 2002-05-30 | Philippe Benezech | Assembly comprising a cabinet and a system for communicating by radiofrequency waves with objects placed in the cabinet |
| US20100328037A1 (en) * | 2007-06-29 | 2010-12-30 | Avonwood Developments Limited | rfid monitoring system |
| CN203298550U (en) * | 2013-05-14 | 2013-11-20 | 北京市农林科学院 | Mobile wireless digital display cool storage and refrigeration multifunctional freezer |
| CN203443210U (en) * | 2013-07-15 | 2014-02-19 | 宁波康拜恩电器有限公司 | Structure-improved refrigerator |
| CN106037353A (en) * | 2016-08-23 | 2016-10-26 | 上海城市燃气技术有限公司 | Electromagnetic shielding glass-door display case |
Non-Patent Citations (1)
| Title |
|---|
| 王芬: "《硅酸盐制品的装饰及装饰材料》", 化学工业出版社, pages: 428 * |
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