CN115019438A - Cabinet equipment - Google Patents
Cabinet equipment Download PDFInfo
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- CN115019438A CN115019438A CN202210591872.4A CN202210591872A CN115019438A CN 115019438 A CN115019438 A CN 115019438A CN 202210591872 A CN202210591872 A CN 202210591872A CN 115019438 A CN115019438 A CN 115019438A
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- hall sensor
- temperature
- heater
- camera device
- sensor
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- 230000008859 change Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
- G07F9/10—Casings or parts thereof, e.g. with means for heating or cooling
- G07F9/105—Heating or cooling means, for temperature and humidity control, for the conditioning of articles and their storage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a cabinet device, comprising: the cabinet door is arranged on the main body part and used for closing the accommodating space, and the camera device is arranged in the accommodating space; any one of the Hall sensor and the magnetic piece is arranged on the main body part, and the other one is arranged on the cabinet door; the heater is arranged on the camera device and connected with the Hall sensor; the Hall sensor is used for controlling the heater to be switched on when the magnetic part is sensed to move away from the Hall sensor. Compared with the prior art, the cabinet equipment provided by the embodiment of the invention has the advantages of solving the problems of higher energy consumption, low real-time performance and poorer safety performance of the demisting device during demisting.
Description
Technical Field
The invention relates to the technical field of intelligent electric appliances, in particular to a cabinet device.
Background
In recent years, with outstanding requirements on technical revolution and industrial upgrading, and the maturity of technical means such as internet of things, mobile payment, intelligent labels and machine vision, unmanned retail naturally rises. The intelligent camera device is used as intelligent equipment which is most widely applied in the field of unmanned retail, so that the labor cost is effectively reduced, the retail efficiency is greatly improved, and the intelligent camera device is required to be capable of normally working in various environments.
Some unmanned retail cabinets in order to guarantee food freshness have generally all supported cold-stored and frozen function at present, and when intelligent camera device in these sales counter was opened at the cabinet door of selling goods, when outside hot-air met the camera device that intelligent camera device temperature is lower, can inevitably liquefy and hazy. In order to solve the difficult problem of fogging of the camera device, the defogging camera device is smooth. At present, the defogging camera device on the market generally uses a motor fan to blow the fogged camera device dry or avoids the fogged camera device by always heating the camera device.
However, the defogging device of the camera device in the prior art has high energy consumption, low real-time performance and poor safety performance during defogging.
Disclosure of Invention
The invention provides a cabinet device, which aims to solve the problems of high energy consumption, low real-time performance and poor safety performance of a defogging device during defogging.
According to an aspect of the present invention, there is provided a cabinet apparatus including: the camera comprises a main body part with an accommodating space, a cabinet door arranged on the main body part and used for closing the accommodating space, and a camera device arranged in the accommodating space; any one of the Hall sensor and the magnetic piece is arranged on the main body part, and the other one is arranged on the cabinet door; the heater is arranged on the camera device and connected with the Hall sensor; the Hall sensor is used for controlling the heater to be switched on when the magnetic part is sensed to move away from the Hall sensor.
In the cabinet equipment provided by the embodiment of the invention, one of the Hall sensor and the magnetic part is arranged on the cabinet door, the other one is arranged on the main body part, when the cabinet door is opened, the magnetic part relatively moves away from the Hall sensor, the magnetic flux density sensed by the Hall sensor changes, the heater is controlled to be opened at the moment, the heater is arranged on the camera device, the camera device can be demisted after the heater is opened, the camera device is heated and demisted only when the Hall sensor detects that the cabinet door is opened, and the heater is not opened when the cabinet door is not opened, so that the power consumption of heating and demisting of the heater is effectively reduced, meanwhile, the safety problems of circuit heating and the like which are possibly caused by long-time heating of the heater can be avoided, and the safety performance of the cabinet equipment is improved; in addition, set up hall sensor and magnetic part and detect opening of case cabinet door, it detects reaction rate very fast, and the real-time is higher to the very first time of opening at case cabinet door heats camera device, avoids vapor to take place the condensation at camera device and forms the water smoke.
In addition, still include: the temperature sensor is arranged on the camera device and used for sensing the temperature of the camera device; the temperature sensor is used for controlling the heater to be started when the temperature of the camera device is lower than the preset temperature.
In addition, still include: the first switch and the second switch are arranged between the heater and a power supply, the first switch is connected with the Hall sensor, and the second switch is connected with the temperature sensor; the Hall sensor is used for controlling the first switch to be closed when sensing that the magnetic part is far away from the Hall sensor to move, and the temperature sensor is used for controlling the second switch to be closed when sensing that the temperature of the camera device is lower than the preset temperature.
In addition, the temperature sensor is also used for controlling the heater to be turned off when the device for sensing the image pickup temperature is higher than the preset temperature.
In addition, temperature sensor with hall sensor connects, hall sensor still is used for the sensing to the magnetic part is kept away from when hall sensor removes temperature sensor opens, and the sensing is close to when hall sensor removes the magnetic part controls temperature sensor closes.
In addition, the temperature sensor comprises a plurality of bridge resistors, at least one temperature sensitive resistor and at least one operational amplifier; the plurality of bridge resistors and the at least one temperature-sensitive resistor are connected to form a bridge circuit, the operational amplifier is connected with the bridge circuit, and the constant-speed amplifier is used for judging whether the device for shooting the temperature is higher than the preset temperature according to the potential change in the bridge circuit.
In addition, the plurality of bridge resistors are varistors.
In addition, the Hall sensor is also used for controlling the heater to be closed when sensing that the magnetic part moves close to the Hall sensor.
In addition, the hall sensor is provided on the image pickup device.
In addition, the hall sensor is arranged on the main body part, and the magnetic part is arranged on the cabinet door.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present invention, nor do they necessarily limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cabinet device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cabinet device according to a second embodiment of the present invention;
fig. 3 is a circuit structure diagram of hall sensors, heaters and temperature sensors in a cabinet device according to a second embodiment of the present invention;
fig. 4 is a schematic operation flow diagram of the cabinet device according to the embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example one
Fig. 1 is a schematic structural diagram of a cabinet device according to an embodiment of the present invention. As shown in fig. 1, the cabinet apparatus includes: a main body part 10, a cabinet door 20, an image pickup device 30, a hall sensor 40 and a magnetic member 50, and a heater 60. Wherein the main body portion 10 has an accommodating space 11, and the cabinet door 20 is disposed on the main body portion 10 and closes the accommodating space 11, which can be used for accommodating goods for sale when the cabinet device is, for example, a vending machine. The image capturing device 30 is disposed in the accommodating space 11, and the image capturing device 30 can be used for capturing images of the goods placed in the accommodating space 11. The hall sensor 40 and the magnetic member 50 are respectively disposed on the main body 10 and the cabinet door 20, that is, either one of the hall sensor 40 and the magnetic member 50 is disposed on the main body 10 and the other one is disposed on the cabinet door 20, for example, fig. 1 shows that the hall sensor 40 is disposed on the main body 10 and the magnetic member 50 is disposed on the cabinet door 20. It should be understood that fig. 1 is merely an illustration of a specific arrangement position in this embodiment, and is not a limitation, and in other embodiments of the present invention, the hall sensor 40 may be arranged on the cabinet door 20, and the magnetic member 50 may be arranged on the main body portion 10, and the arrangement may be flexible according to actual needs. Further, in the present embodiment, the heater 60 is provided on the image pickup device 30 and the heater 60 is linked with the hall sensor 40, and the heater 60 is controlled to be turned on when the hall sensor 40 senses that the magnetic member 50 moves away from the hall sensor 40. When the case cabinet door is opened, magnetic part 50 moves along with case cabinet door 20 towards the direction of keeping away from hall sensor 40, and the magnetic flux density that hall sensor 40 sensing arrived changes to judge that case cabinet door 20 opens, open heater 60 this moment and heat the defogging to camera device 30.
In the present embodiment, the hall sensor 40 is provided on the image pickup device 30. It should be understood that the hall sensor 40 is disposed on the image pickup device 30, which is only a specific example in the present embodiment, and is not limited thereto, and in other embodiments of the present invention, the hall sensor 40 may be directly disposed on the main body 10, and other configurations may be adopted, and the hall sensor may be flexibly disposed according to actual needs.
Compared with the prior art, in the cabinet device provided by the first embodiment, one of the hall sensor 40 and the magnetic member 50 is arranged on the cabinet door 20, and the other is arranged on the main body portion 10, when the cabinet door 20 is opened, the magnetic member 50 relatively moves away from the hall sensor 40, the magnetic flux density sensed by the hall sensor 40 changes, at this time, the heater 60 is controlled to be turned on, the heater 60 is arranged on the image pickup device 30, the image pickup device 30 can be demisted after the heater 60 is turned on, because the heater 60 heats and demists the image pickup device 30 only when the hall sensor 40 detects that the cabinet door 20 is opened, the heater 60 is not turned on when the cabinet door 20 is not opened, and therefore, the heating demisting duration and power consumption of the heater 60 are effectively reduced; in addition, the hall sensor 40 and the magnetic member 50 are arranged to detect the opening of the cabinet door 20, and the detection reaction rate is high, so that the camera device 60 is heated at the first time when the cabinet door 20 is opened, and the water vapor is prevented from being condensed in the camera device 60 to form water mist.
Example two
Fig. 2 is a schematic structural diagram of a cabinet device according to a second embodiment of the present invention, which is a further improvement of the first embodiment. As shown in fig. 2, it also includes a main body 10, a cabinet door 20, an image pickup device 30, a hall sensor 40 and a magnetic member 50, and a heater 60, and in addition, the cabinet apparatus provided in the present embodiment further includes a temperature sensor 70, the temperature sensor 70 is connected to the heater 60, the temperature sensor 70 is disposed on the image pickup device 30, and the temperature sensor 70 can sense the temperature of the image pickup device 30 and control the heater 60 to be turned on when the temperature of the image pickup device 30 is detected to be lower than a preset temperature.
Compared with the prior art, this embodiment is on the basis of the technological effect who remains embodiment one, set up temperature sensor 70 on camera device 30, temperature sensor 70 senses when camera device 30's temperature is less than preset temperature, control heater 60 opens, heat camera device 30, thereby avoid camera device 30's the temperature to hang down the shooting effect to camera device 30 and exert an influence, furthermore, temperature sensor 70 senses just can control heater 60 to open when camera device 30's temperature is less than preset temperature, heater 60 does not open when camera device 30's temperature is higher than preset temperature, can avoid heater 60 to open the power consumption loss that the heating caused for a long time, can also avoid the heater to open the security problem that the heating caused for a long time simultaneously.
Fig. 3 is a circuit diagram illustrating the interconnection among the hall sensor 40, the heater 60, and the temperature sensor 70 in the cabinet device according to the second embodiment of the present invention. As shown in fig. 3, a first switch 81 and a second switch 82 are provided between the heater 60 and the power supply, the first switch 81 is linked with the hall sensor 40, the second switch 82 is connected with the temperature sensor 70, and when the hall sensor 40 senses that the magnetic member 50 moves away from the hall sensor 40, the pin 3 of the hall sensor 40 generates a high level, so that the first switch 81 is closed. When the hall sensor 40 senses that the magnetic member 50 moves close to the hall sensor 40, the pin 3 of the hall sensor 40 outputs a low level, so that the first switch 81 is turned off.
As shown in fig. 3, the temperature sensor 70 includes a plurality of bridge resistors 71, at least one temperature-sensitive resistor 72, and at least one operational amplifier 73, the plurality of bridge resistors 72 and the at least one temperature-sensitive resistor 72 are connected to form a bridge circuit, the operational amplifier 73 is connected to the bridge circuit, and the operational amplifier 73 is configured to determine whether the temperature of the image pickup apparatus is lower than a preset temperature based on a potential change in the bridge circuit. When the temperature of the image pickup apparatus 30 is lower than the preset temperature, the potential difference between the two ends of the pin 1 and the pin 2 of the operational amplifier 73 reaches the threshold value, and at this time, the pin 3 of the operational amplifier 73 outputs a high level, so that the second switch 82 is closed. When the temperature of the image capturing device 30 is higher than the preset temperature, the potential difference between the two ends of the pin 1 and the pin 2 of the operational amplifier 73 cannot reach the threshold, and at this time, the pin 3 of the operational amplifier 73 outputs a low level, so that the second switch 82 is turned off, that is, the temperature sensor 70 controls the heater 60 to be turned off when sensing that the temperature of the image capturing device 30 is higher than the preset temperature.
When the first switch 81 and the second switch 82 are both closed, the power supply is connected with the heater 60, the heater 60 is turned on to heat, when at least one of the first switch 81 and the second switch 82 is not closed, that is, when the cabinet door is not opened or the temperature of the image pickup device 30 is higher than a preset temperature, the power supply is disconnected from the heater 60, and the heater 60 stops heating.
As shown in fig. 3, the temperature sensor 70 is linked with the hall sensor 40, and when the hall sensor 40 senses that the magnetic member 50 moves away from the hall sensor 40, the pin 3 of the hall sensor 40 outputs a high level, so that the first switch 81 is closed, the temperature sensor 70 is connected with a power supply, and the temperature sensor 70 is turned on; when the hall sensor 40 senses that the magnetic member 50 moves close to the hall sensor 40, the pin 3 of the hall sensor 40 outputs a low level, so that the first switch 81 is turned off, the temperature sensor 70 is disconnected from the power supply, and the temperature sensor 70 is turned off. The hall sensor 40 is connected with the temperature sensor 70, and the hall sensor 40 controls the temperature sensor 70 to be opened when sensing that the magnetic member 50 moves away from the hall sensor 40, and controls the temperature sensor 70 to be closed when sensing that the magnetic member 50 moves close to the hall sensor 40, so that the temperature sensor 70 stops working when the cabinet door is closed, the opening time of the temperature sensor 70 is shortened, and the power consumption is further reduced.
Preferably, in this embodiment, the bridge resistor 71 is a varistor. The bridge resistor 71 is set to be different preset temperatures through adjusting the resistance value of the bridge resistor 71, and the application range of the cabinet equipment is widened.
Next, an operation process of the cabinet device provided in the embodiment of the present invention will be described by way of example, and a specific flow is shown in fig. 4, which includes the following steps:
Specifically, in this step, when the hall sensor senses that the magnetic member moves away from the hall sensor, it is determined that the cabinet door is opened, and step 102 is executed; and when the Hall sensor senses that the magnetic part moves close to the Hall sensor or the magnetic part does not move, determining that the cabinet door is not opened, and executing step 103.
Step 102: and judging whether the temperature of the camera device is lower than a preset temperature, if so, executing step 103, and if not, executing step 104.
Step 103: and controlling the heater to be started.
Step 104: and controlling the heater to be closed.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cabinet apparatus, comprising:
the cabinet door is arranged on the main body part and used for closing the accommodating space, and the camera device is arranged in the accommodating space;
any one of the Hall sensor and the magnetic piece is arranged on the main body part, and the other one is arranged on the cabinet door;
the heater is arranged on the camera device and connected with the Hall sensor;
the Hall sensor is used for controlling the heater to be switched on when the magnetic part is sensed to move away from the Hall sensor.
2. The cabinet apparatus of claim 1, further comprising: the temperature sensor is arranged on the camera device and used for sensing the temperature of the camera device;
the temperature sensor is used for controlling the heater to be started when the temperature of the camera device is lower than the preset temperature.
3. The cabinet apparatus of claim 2, further comprising: the first switch and the second switch are arranged between the heater and a power supply, the first switch is connected with the Hall sensor, and the second switch is connected with the temperature sensor;
the Hall sensor is used for controlling the first switch to be closed when sensing that the magnetic part is far away from the Hall sensor to move, and the temperature sensor is used for controlling the second switch to be closed when sensing that the temperature of the camera device is lower than the preset temperature.
4. The cabinet apparatus according to claim 2, wherein the temperature sensor is further configured to control the heater to be turned off when sensing that the temperature of the image pickup device is higher than the preset temperature.
5. The cabinet apparatus of claim 2, wherein the temperature sensor is coupled to the hall sensor, and the hall sensor is further configured to control the temperature sensor to turn on when the magnetic member is sensed to move away from the hall sensor and to turn off when the magnetic member is sensed to move closer to the hall sensor.
6. The cabinet apparatus according to claim 2, wherein the temperature sensor includes a plurality of bridge resistors, at least one temperature sensitive resistor, and at least one operational amplifier;
the plurality of bridge resistors and the at least one temperature-sensitive resistor are connected to form a bridge circuit, the operational amplifier is connected with the bridge circuit, and the operational amplifier is used for judging whether the temperature of the camera device is lower than the preset temperature according to the potential change in the bridge circuit.
7. The cabinet apparatus of claim 6, wherein the plurality of bridge resistors are varistors.
8. The cabinet apparatus of claim 1, wherein the hall sensor is further configured to control the heater to turn off when the magnetic member is sensed to move proximate to the hall sensor.
9. The cabinet apparatus according to claim 1, wherein the hall sensor is provided on the image pickup device.
10. The cabinet apparatus according to claim 1, wherein the hall sensor is provided on the main body portion, and the magnetic member is provided on the cabinet door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210591872.4A CN115019438A (en) | 2022-05-27 | 2022-05-27 | Cabinet equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210591872.4A CN115019438A (en) | 2022-05-27 | 2022-05-27 | Cabinet equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115019438A true CN115019438A (en) | 2022-09-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210591872.4A Pending CN115019438A (en) | 2022-05-27 | 2022-05-27 | Cabinet equipment |
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| Country | Link |
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| CN (1) | CN115019438A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101266220A (en) * | 2007-03-14 | 2008-09-17 | 中国科学院工程热物理研究所 | Method and device for measuring liquid thermal conductivity factor and thermal diffusivity by harmonic detection technology |
| CN101282046A (en) * | 2008-05-07 | 2008-10-08 | 陈赖容 | Battery set management circuit |
| CN103364717A (en) * | 2012-03-30 | 2013-10-23 | 海洋王（东莞）照明科技有限公司 | Temperature controlled switch testing circuit |
| CN204414530U (en) * | 2015-01-29 | 2015-06-24 | 孙伟 | A kind of injection machine heating chamber cylinder temperature feedback circuit |
| CN208282470U (en) * | 2018-05-25 | 2018-12-25 | 合肥美的智能科技有限公司 | Bin equipment |
| CN112350692A (en) * | 2020-11-24 | 2021-02-09 | 中国电子科技集团公司第十六研究所 | Gas bearing Stirling refrigerator drive control circuit and control method |
-
2022
- 2022-05-27 CN CN202210591872.4A patent/CN115019438A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101266220A (en) * | 2007-03-14 | 2008-09-17 | 中国科学院工程热物理研究所 | Method and device for measuring liquid thermal conductivity factor and thermal diffusivity by harmonic detection technology |
| CN101282046A (en) * | 2008-05-07 | 2008-10-08 | 陈赖容 | Battery set management circuit |
| CN103364717A (en) * | 2012-03-30 | 2013-10-23 | 海洋王（东莞）照明科技有限公司 | Temperature controlled switch testing circuit |
| CN204414530U (en) * | 2015-01-29 | 2015-06-24 | 孙伟 | A kind of injection machine heating chamber cylinder temperature feedback circuit |
| CN208282470U (en) * | 2018-05-25 | 2018-12-25 | 合肥美的智能科技有限公司 | Bin equipment |
| CN112350692A (en) * | 2020-11-24 | 2021-02-09 | 中国电子科技集团公司第十六研究所 | Gas bearing Stirling refrigerator drive control circuit and control method |
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