CN114608260A - Automatic door control system of refrigerating and freezing cabinet - Google Patents
Automatic door control system of refrigerating and freezing cabinet Download PDFInfo
- Publication number
- CN114608260A CN114608260A CN202011404629.4A CN202011404629A CN114608260A CN 114608260 A CN114608260 A CN 114608260A CN 202011404629 A CN202011404629 A CN 202011404629A CN 114608260 A CN114608260 A CN 114608260A
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- unit
- control unit
- driving control
- electrically connected
- control system
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- 230000008014 freezing Effects 0.000 title abstract description 13
- 238000007710 freezing Methods 0.000 title abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 abstract description 11
- 230000006698 induction Effects 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
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- 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
- F25D29/00—Arrangement or mounting of control or safety devices
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- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- 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
- F25D23/02—Doors; Covers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention relates to an automatic door control system of a refrigeration and freezing cabinet, which is used for automatically opening and closing a cabinet door of a refrigeration and freezing display cabinet and at least comprises a driving control unit, a motor actuating unit electrically connected with the driving control unit, an induction unit electrically connected with the driving control unit and information, a limit detection unit electrically connected with the driving control unit and information, and a control switch unit electrically connected with the driving control unit; therefore, the cabinet door of the refrigerated and frozen display cabinet can be automatically opened or closed, so that the fetching convenience of consumers is improved.
Description
Technical Field
The present invention relates to an automatic door control system for a refrigerator/freezer, and more particularly, to an automatic door control system for a refrigerator/freezer that can automatically open or close a door of the refrigerator/freezer to improve the convenience of taking articles by consumers.
Background
The store can provide the refrigerated and frozen goods with low-temperature storage and better display effect, and the store is generally provided with a refrigerated and frozen display cabinet.
The refrigerated and frozen display cabinet at least comprises a cabinet body and a plurality of transparent and openable cabinet doors arranged on the cabinet body, wherein the cabinet doors are provided with handles; the cabinet body is provided with a certain accommodating space, so that the cabinet body can be used for storing goods requiring low temperature, and a low temperature supply machine (a refrigerator) is arranged on the cabinet body to provide low temperature; the cabinet door is arranged on the front surface of the cabinet body, so that consumers can see goods in the cabinet body. After the consumer selects the goods to be purchased, the consumer can hold the handle to pull the cabinet door open to take the goods in the cabinet body, the cabinet door is closed by the self weight, and the mode of pulling the cabinet door with a certain weight by the consumer to take the goods is obviously not convenient enough for children or consumers with small strength.
Therefore, it is an urgent need to provide an automatic door control system for a refrigeration and freezing showcase, so that the door of the refrigeration and freezing showcase can be automatically opened and closed to facilitate the consumers to take out the goods of the refrigeration and freezing showcase.
Disclosure of Invention
The invention mainly aims to provide an automatic door control system of a refrigeration and freezing cabinet, which overcomes the defect of inconvenience that the cabinet door of the conventional refrigeration and freezing display cabinet needs to be opened by a consumer.
Therefore, the invention provides a main technical means of 1, which is an automatic door control system for a refrigeration and freezing showcase, wherein the control system is used for automatically opening and closing a cabinet door of the refrigeration and freezing showcase, and the control system at least comprises a driving control unit, a motor actuating unit electrically connected with the driving control unit, a sensing unit electrically connected with the driving control unit and information, a limit detecting unit electrically connected with the driving control unit and information, and a control switch unit electrically connected with the driving control unit.
The invention can achieve the effects by the main technical means of the 1 st part: therefore, the cabinet door of the refrigerated and frozen display cabinet can be automatically opened or closed, so that the fetching convenience of consumers is improved.
Drawings
Figure 1 is a schematic view of a refrigerated and frozen display case of the present invention.
Fig. 2 is a schematic circuit diagram of the automatic door control system of the refrigerator-freezer of the present invention.
Fig. 3 and 4 are flowcharts showing the operation of the automatic door control system of the refrigerator-freezer according to the present invention.
Description of the figure numbers:
1: control system
2: drive control unit
21: warning lamp
211: red light fixture 212: green lamp
22: power supply
2 a: initialization mode procedure
2 b: exception handling mode program
2 c: operation selection mode program
2 d: dynamic human body power detection mode program
3: motor power unit
4: induction unit
41: sensor device
5: limit detecting unit
6: control switch unit
A: refrigeration and freezing showcase
A1: a cabinet door.
Detailed Description
To facilitate an understanding of the structure and the achieved effect of the present invention, the following description is made with reference to the drawings.
As shown in fig. 1 and 2, the automatic door control system of a refrigerator-freezer of the present invention is used for automatically opening and closing a door a1 of a display cabinet a of a refrigerator-freezer, and the control system 1 at least comprises a driving control unit 2, a motor actuating unit 3 electrically connected to the driving control unit 2, a sensing unit 4 electrically and in communication with the driving control unit 2, a limit detecting unit 5 electrically and in communication with the driving control unit 2, and a control switch unit 6 electrically connected to the driving control unit 2.
As shown in fig. 1 and 2, the driving control unit 2 is connected to an external power source, so as to obtain power required by the operation of the control system 1; the driving control unit 2 is further connected with a warning lamp 21, the invention is implemented by two warning lamps 21, one warning lamp 21 is a red lamp 211, and the other warning lamp 21 is a green lamp 212, so that whether the control system 1 normally operates can be displayed by the warning lamp 21, further, when the red lamp 211 is on, the control system 1 cannot normally operate, and when the green lamp 212 is on, the control system 1 normally operates; the driving control unit 2 is further connected to a power supply 22, and the power supply 22 is used to supply power for the stable operation of the driving control unit 2.
As shown in fig. 1 and fig. 2, the motor actuating unit 3 is electrically connected to the driving control unit 2, the driving control unit 2 can control the motor actuating unit 3 to start to rotate forward or backward, and the motor actuating unit 3 can drive the cabinet door a1 of the refrigerated and frozen display cabinet a to open or close.
As shown in fig. 1 and 2, the sensing unit 4 is electrically connected to the driving control unit 2 in a message manner, the sensing unit 4 can detect whether a human body outside the cabinet door a1 of the refrigerated and frozen display cabinet a is activated or not, and transmit the detected signal to the driving control unit 2, and the driving control unit 2 can determine and control the motor activating unit 3 to drive the cabinet door a1 of the refrigerated and frozen display cabinet a to open or close according to the signal detected by the sensing unit 4.
As shown in fig. 1 and fig. 2, the limit detection unit 5 is electrically connected to the driving control unit 2 in a message manner, the limit detection unit 5 mainly detects the stroke position of the motor actuation unit 3 driving the door A1 of the refrigerated and frozen display cabinet A to open or close, the limit detecting unit 5 detects the stroke position of the motor actuating unit 3 driving the door a1 of the refrigerated and frozen display cabinet a to open or close, and further, the driving control unit 2 detects the stroke position of the motor actuating unit 3 driving the door a1 of the refrigerated and frozen display cabinet a to open or close by the limit detecting unit 5, therefore, the door a1 of the display cabinet a can be surely opened or closed, i.e. the door a1 of the display cabinet a is limited to a predetermined opening or closing by the limit detection unit 5.
As shown in fig. 1 and fig. 2, the control switch unit 6 is electrically connected to the driving control unit 2, and the control switch unit 6 is used to control whether the driving unit 2 is started or not.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the control switch unit 6 is turned on to connect the driving control unit 2 with an external power source, and when the driving control unit 2 is powered on for external operation, the driving control unit 2 can enter an initialization mode program 2a to perform the following operation steps to perform the confirmation operation of the initialization mode program 2 a; the initialization mode program 2a firstly determines whether the loop of the driving control unit 2 is normal, determines whether the loop of the warning light 21 is normal, determines whether the pulse signal of the power supply 22 of the driving control unit 2 is normal, determines whether the motor actuating unit 3 performs the door opening operation, receives the input of the door opening limit signal of the limit detecting unit 5, the power supply 22 of the driving control unit 2 automatically loads the door opening limit signal and the number of seconds of the limit detecting unit 5, determines whether the motor actuating unit 3 performs the door closing operation, receives the input of the door closing limit signal of the limit detecting unit 5, the power supply 22 of the driving control unit 2 automatically loads the door closing limit signal and the number of seconds of the limit detecting unit 5, after the operation and confirmation steps of the initialization mode program 2a, the driving control unit 2 completes the automatic setting of the initialization mode program 2 a.
As shown in fig. 2, fig. 3 and fig. 4, when the loop of the driving control unit 2 is determined to be abnormal in the initialization mode program 2a, the driving control unit 2 enters the abnormal processing mode program 2b, and the abnormal processing mode program 2b turns on one of the lamps (red lamp) of the warning lamp 21, so as to warn that the loop of the driving control unit 2 is determined to be abnormal, and at this time, the engineer must confirm whether the external power source is actually electrically connected to the control system 2 again, and when the external power source is actually electrically connected to the control system 2, the initialization mode program 2a of the driving control unit 2 automatically sets to be the above-mentioned operation mode, so as to ensure that the driving control unit 2 completes the initialization mode program 2a automatically sets, to put the control system 2 into a standby state.
As shown in fig. 2, fig. 3 and fig. 4, after the driving control unit 2 finishes the automatic setting operation of the initialization mode program 2a, the driving control unit further enters an operation selection mode program 2c, the operation selection mode program 2c firstly determines whether the operation time of the store is the business time, whether the operation time is the arrangement of the shelves in the refrigerated and frozen display cabinet, and then the control switch unit 6 is switched to the automatic sensing mode, and then the human body actuation dynamic detection mode program 2d of the sensing unit 4 can be entered; when the operation selection mode program 2c determines that the operation is not the sales hours, the driving control unit 2 returns to the initialization mode program 2a, and the control switch unit 6 switches the long-time door closing mode to save energy; when the operation selection mode program 2c determines that the shelves in the refrigerated and frozen display cabinet are arranged in order, the driving control unit 2 returns to the initialization mode program 2a, and the control switch unit 6 switches the long-open mode, so that the shelves in the refrigerated and frozen display cabinet are arranged in order, and energy is saved to the automatic induction mode.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, after the driving control unit 2 completes the initialization mode procedure 2a and the operation selection mode procedure 2c, the driving control unit 2 enters the use status of the human body actuation dynamic detection mode procedure 2d of the sensing unit 4, the sensor 41 of the sensing unit 4 of the human body actuation dynamic detection mode procedure 2d detects whether the consumer actuates at the cabinet door a1 of the display cabinet a, and the sensor 41 of the sensing unit 4 transmits the detected signal to the driving control unit 2 as to determine whether the motor actuation unit 3 is actuated to drive the cabinet door a1 of the display cabinet a to open or close.
As shown in fig. 1, 2, 3 and 4, when the door a1 of the refrigerated and frozen display case a is closed by the motor actuating unit 3 due to the blockage of the goods or other articles inside the door a1 of the refrigerated and frozen display case a, the door closing limit signal and the number of seconds detected by the limit detection unit 5 are different from the door closing limit signal and the number of seconds automatically loaded into the limit detection unit 5 by the initialization mode program 2a of the driving control unit 2, at this time, the driving control unit 2 will determine that the door is opened abnormally and stop the operation, at the same time, the motor-operated unit 3 also stops driving the door A1 of the refrigerated and frozen showcase A, and at the same time, the red light 211 of the warning light 21 is lighted, so that the engineering personnel or shop personnel must remove the obstruction, then, the control switch unit 6 is turned on to start the operation of the driving control unit 2 again.
The main effects of the present invention lie in that, the control system 1 is used for automatically opening and closing the cabinet door a1 of the refrigeration and freezing display cabinet a, the control system 1 at least comprises a driving control unit 2, a motor actuating unit 3 electrically connected with the driving control unit 2, an induction unit 4 electrically connected with the driving control unit 2 and in message, a limit detection unit 5 electrically connected with the driving control unit 2 and in message, and a control switch unit 6 electrically connected with the driving control unit 2; therefore, the door A1 of the refrigerated and frozen display cabinet A can be automatically opened or closed, thereby improving the fetching convenience of consumers.
Claims (7)
1. The control system at least comprises a driving control unit, a motor actuating unit electrically connected with the driving control unit, a sensing unit electrically connected with the driving control unit and information, a limit detecting unit electrically connected with the driving control unit and information, and a control switch unit electrically connected with the driving control unit.
2. A refrigerated and freezer cabinet door control system as claimed in claim 1 wherein the drive control unit is connected to a warning light and the drive control unit is connected to a power supply.
3. A refrigerated merchandiser as recited in claim 2 wherein the warning lights are one red light and the other green light.
4. A refrigerator-freezer automatic door control system as claimed in claim 1, wherein the motor actuation unit is electrically connected to the drive control unit, and the drive control unit controls the motor actuation unit to be actuated in forward or reverse rotation.
5. The system as claimed in claim 1, wherein the sensing unit is electrically and signally connected to the driving control unit, the sensing unit is capable of transmitting the detected signal to the driving control unit, and the driving control unit is capable of determining and controlling the motor actuating unit to start the forward rotation or the reverse rotation according to the detected signal of the sensing unit.
6. The system as claimed in claim 1, wherein the position limit detecting unit is electrically and signally connected to the driving control unit, the position limit detecting unit mainly detecting the stroke position of the motor actuating unit.
7. A refrigerated cabinet door control system according to any of claims 1 to 6 wherein the drive control unit drive control operating program includes at least: an initialization mode procedure, an exception handling mode procedure, an operation selection mode procedure and a human body action dynamic detection mode procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011404629.4A CN114608260A (en) | 2020-12-04 | 2020-12-04 | Automatic door control system of refrigerating and freezing cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011404629.4A CN114608260A (en) | 2020-12-04 | 2020-12-04 | Automatic door control system of refrigerating and freezing cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114608260A true CN114608260A (en) | 2022-06-10 |
Family
ID=81855945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011404629.4A Pending CN114608260A (en) | 2020-12-04 | 2020-12-04 | Automatic door control system of refrigerating and freezing cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114608260A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203785361U (en) * | 2014-04-25 | 2014-08-20 | 合肥美菱股份有限公司 | Freezer with real-time running state display function |
| CN106193887A (en) * | 2016-07-05 | 2016-12-07 | 青岛海尔特种电冰柜有限公司 | A kind of automatic opening and closing door device and the refrigerator with this device |
| CN106546051A (en) * | 2016-10-14 | 2017-03-29 | 青岛海尔股份有限公司 | Refrigerator and its automatic door opening control method |
| CN107076509A (en) * | 2015-04-27 | 2017-08-18 | Lg 电子株式会社 | Refrigerator and the method for opening refrigerator doors |
| CN107767557A (en) * | 2017-11-23 | 2018-03-06 | 青岛海容商用冷链股份有限公司 | Intelligence sells horizontal refrigerator and intelligence sells control method |
| CN210685704U (en) * | 2019-06-06 | 2020-06-05 | 中山市凯腾电器有限公司 | Automatic door opening system |
-
2020
- 2020-12-04 CN CN202011404629.4A patent/CN114608260A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203785361U (en) * | 2014-04-25 | 2014-08-20 | 合肥美菱股份有限公司 | Freezer with real-time running state display function |
| CN107076509A (en) * | 2015-04-27 | 2017-08-18 | Lg 电子株式会社 | Refrigerator and the method for opening refrigerator doors |
| CN106193887A (en) * | 2016-07-05 | 2016-12-07 | 青岛海尔特种电冰柜有限公司 | A kind of automatic opening and closing door device and the refrigerator with this device |
| CN106546051A (en) * | 2016-10-14 | 2017-03-29 | 青岛海尔股份有限公司 | Refrigerator and its automatic door opening control method |
| CN107767557A (en) * | 2017-11-23 | 2018-03-06 | 青岛海容商用冷链股份有限公司 | Intelligence sells horizontal refrigerator and intelligence sells control method |
| CN210685704U (en) * | 2019-06-06 | 2020-06-05 | 中山市凯腾电器有限公司 | Automatic door opening system |
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