CN212006351U - Refrigerator - Google Patents
Refrigerator Download PDFInfo
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- CN212006351U CN212006351U CN202020216629.0U CN202020216629U CN212006351U CN 212006351 U CN212006351 U CN 212006351U CN 202020216629 U CN202020216629 U CN 202020216629U CN 212006351 U CN212006351 U CN 212006351U
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- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000005057 refrigeration Methods 0.000 claims description 14
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 238000010257 thawing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model discloses a refrigerator, include: the refrigerator comprises a cabinet body and a door body, wherein a temperature collector, a door body switch detection device, a refrigerating unit, an alarm device, a power supply device and a controller are arranged in the cabinet body. The input end of the controller is respectively connected with the temperature collector and the door body switch detection device, and the control end of the controller is respectively connected with the refrigerating unit and the alarm device and is used for controlling the refrigerating cabinet to work in different operation modes according to the received temperature in the cabinet body, the door opening times and the door opening time; the power supply device is respectively connected with the power supply end of the refrigerating unit, the power supply end of the controller and the power supply end of the lighting device. The utility model discloses need not the user setting and can reach according to the internal temperature of cabinet of freezer, the number of times of opening the door the time regulation freezer work of opening the door to satisfy product storage and management requirement, thereby make the product fresh-keeping.
Description
Technical Field
The utility model relates to a freezer technical field especially relates to a freezer.
Background
At present, in order to save cost, a plurality of shops using the refrigerator do not turn on light or adjust the temperature unreasonably, and do not meet the requirements of product storage and management, so that the products are rotten or deteriorated. Therefore, the intelligent refrigerator is required to be capable of adjusting the work of the refrigerator according to factors such as the temperature in the refrigerator body and the like so as to meet the requirements of product storage and management and keep the products fresh.
Disclosure of Invention
The utility model aims at providing a freezer need not the user setting can reach according to the internal temperature of the cabinet of freezer, the number of times of opening the door the time of opening the door adjusts the freezer work to satisfy product storage and management requirement, thereby make the product fresh-keeping.
An embodiment of the utility model provides a refrigerator, include:
a cabinet body;
the door body is movably connected to the cabinet body;
the temperature collector is arranged in the cabinet body and is used for collecting the temperature in the cabinet body;
the door body switch detection device is arranged on the cabinet body and is used for collecting the door opening times and the door opening time of the door body;
the refrigerating unit is used for working under different operation modes according to the collected temperature in the cabinet body and the door opening times of the door body;
the alarm device is used for carrying out a corresponding alarm mode when any one of the temperature in the cabinet body and the door opening time exceeds a preset normal operation parameter threshold of the refrigerator;
the input end of the controller is respectively connected with the temperature collector and the door body switch detection device, and the control end of the controller is respectively connected with the refrigerating unit and the alarm device, and is used for controlling the refrigerating cabinet to work in different operation modes according to the received temperature in the cabinet body, the door opening times and the door opening time and controlling the alarm device to work in a corresponding alarm mode;
and the power supply device is respectively connected with the power supply end of the refrigerating unit and the power supply end of the controller and is used for supplying power to the refrigerator.
As an improvement of the above scheme, the method further comprises the following steps:
the wireless positioning device is used for positioning the refrigerator and feeding back position information;
the input end of the controller is connected with the wireless positioning device and is also used for controlling the alarm device to carry out a corresponding alarm mode according to the position of the refrigerator.
As an improvement of the above scheme, the method further comprises the following steps:
and the infrared detector is arranged on the cabinet body and used for collecting the flow of people passing through the refrigerator and sending the flow of people to the controller.
As an improvement of the above scheme, the method further comprises the following steps:
and the image collector is arranged on the door body and used for collecting the image data of the articles in the refrigerator after the door body is opened and sending the image data to the controller.
As an improvement of the above scheme, the controller is further configured to upload the people flow rate, the temperature in the cabinet body, the door opening times, the door opening time, the refrigerator position, and the image data to a refrigerator supervision system, so that the refrigerator supervision system manages the refrigerator and sends abnormal information to a user; wherein the anomaly information includes: equipment failure information and equipment alarm information.
As an improvement of the above scheme, the method further comprises the following steps:
the lighting device is used for lighting the cabinet body, and the power supply end of the lighting device is connected with the power supply device;
and the control end of the controller is connected with the lighting device and is used for controlling the lighting device to enter different lighting modes according to different operation modes of the refrigerating unit.
As an improvement of the above aspect, the power supply device includes: a backup power source.
As an improvement of the above solution, the refrigeration unit comprises: compressor, condensation motor and at least one evaporation motor.
As an improvement of the scheme, the door body switch detection device is a door magnetism detection switch.
As an improvement of the above aspect, the alarm device includes: a nixie tube and a buzzer.
Compared with the prior art, the utility model discloses a freezer is at last electric back, through the internal temperature of temperature sensor collection cabinet, and door body switch detects the dress and gathers the door body open the door number of times, open the door time accuse refrigeration cabinet work under the mode of difference, simultaneous control alarm device work under the alarm mode that corresponds, need not the user setting can be according to the internal temperature of cabinet of freezer, the number of times of opening the door the time regulation freezer work of opening the door to satisfy product storage and management requirement, thereby make the product keep fresh and reach energy-conserving purpose simultaneously. And when any one of the temperature in the cabinet body and the door opening time exceeds a preset normal operation parameter threshold of the refrigerator (namely, the refrigerator has an abnormal fault), controlling an alarm device to alarm according to a corresponding alarm mode, and informing a user in time.
Drawings
Fig. 1 is a front view of a freezer in an embodiment of the invention;
fig. 2 is a side view of a freezer in an embodiment of the invention;
fig. 3 is a schematic view of a specific structure of a refrigerator according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a freezer supervision system in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, it is a schematic structural diagram of a refrigerator provided in embodiment 1 of the present invention.
An embodiment of the utility model provides a refrigerator, include: the cabinet body 2 and hinge joint are in cabinet body 2 one side door body 1. Wherein, the cabinet body 2 is internally provided with a temperature collector 3 for collecting the temperature in the cabinet body 2. The cabinet body 2 is provided with a door body switch detection device 5 for collecting the door opening times and the door opening time of the door body 1, and it can be understood that the temperature collector 3 and the door body switch detection device 5 can be arranged at any position of the cabinet body 2 which can meet the requirements. In the embodiment, the temperature collector 3 is an NTC sensor, and the display and control precision of the temperature collector reaches 0.1 ℃; the door body switch detection device 5 is a door magnetic detection switch, and switches on and off signals stop the fan when the door is opened, so that cold air is prevented from leaking outwards when the door is opened, and the maximized energy conservation of the refrigerator is realized.
Referring to fig. 3, the refrigerator further comprises: the refrigeration unit 9, the refrigeration unit 9 is composed of a compressor, a condensing motor and at least one evaporating motor (two evaporating motors are provided in this embodiment). The freezer still includes: the fan is arranged in the air duct and is arranged at the air inlet of the storage chamber of the cabinet body. Wherein, refrigerating unit 9 is that the refrigeration part adorns in the below of freezer cabinet body 2, lighting device 11 and lamp house are adorned respectively on the relevant position at freezer cabinet body 2 internal top in the cabinet, refrigerating unit 9, the lamp house supplies power through power supply unit 6, specifically, power supply unit 6 adopts the bayonet joint can be connected to and supplies power for all parts of freezer on the relevant position in the freezer cabinet fast (power supply unit 6 respectively with the feeder ear of refrigerating unit 9, lighting device's feeder ear and controller 7's feeder ear are connected), and power supply unit 6 still includes stand-by power supply, adopt double mode power supply, when the freezer inserts the commercial power, stand-by power supply suspend power supply, in good time charge according to the electric quantity condition, when the freezer breaks off the commercial power, start the stand-by power supply immediately and supply power for controller 7.
Specifically, the fan operates according to actual conditions, such as starting and stopping at the same time with a refrigeration mode; continuously running, and closing during defrosting and dripping; continuously running, closing during defrosting, and delaying after defrosting is finished; when the door body 1 is opened, the fan is closed, and after the door body 1 is closed, the fan restores the original working state before the door body 1 is opened; when the temperature in the cabinet body 2 is higher than the stopping temperature of the fan and the running time of the fan is greater than the accumulated running time of the fan, the fan is forcibly turned off, and when the temperature in the cabinet body 2 is lower than the stopping temperature set value, the running time of the fan is reset, and the fan normally runs according to a preset mode. (the preset mode is an operation parameter of the refrigerator set in the controller 7 in advance when the refrigerator normally operates); when the door body 1 exceeds the closing time of the door body 1, the fan immediately recovers to operate.
Under the condition that the temperature collector 3 has a fault, when the proportional start-stop function is selected to be closed, the compressor is closed; when the proportional start-stop function is selected to be started, the compressor operates according to a set time period of starting and closing.
Still be provided with alarm device 10 in the cabinet body 2, alarm device 10 includes: the nixie tube and the buzzer can also be other components capable of alarming, and are not limited herein. When any one of the temperature in the cabinet body 2 and the door opening time exceeds a preset normal operation parameter threshold value of the refrigerator, the alarm device 10 gives an alarm in a corresponding alarm mode.
It can be understood that the preset normal operation parameter threshold of the refrigerator comprises a refrigerator temperature allowable range and a door opening time threshold, that is, when the collected temperature in the cabinet body 2 exceeds the refrigerator temperature allowable range (that is, is higher than a preset highest refrigerator temperature parameter or lower than a preset lowest refrigerator temperature parameter) and is higher than a preset highest refrigerator temperature parameter, the temperature of the cabinet body 2 is out-of-limit alarm delay and the first time of the temperature out-of-limit alarm delay of the cabinet body 2 after being electrified is finished, the nixie tube displays rH, and the alarm is released when the temperature is lower than the preset highest refrigerator temperature parameter; when the temperature of the cabinet body 2 is lower than the preset lowest freezer temperature parameter, the alarm time delay of the temperature overrun of the cabinet body 2 is delayed and the first time of the alarm time delay of the temperature overrun of the cabinet body 2 is finished after the power-on, the nixie tube displays rL, and the alarm is released when the temperature in the cabinet body 2 is higher than the preset lowest freezer temperature parameter. And when the acquired door opening time exceeds a preset door opening time threshold value, a buzzing alarm is sent out, and the frequency is 0.5 HZ. When the buzzing sound is selected as the enable, and the controller 7 gives an alarm in E1, the buzzer buzzes (sounds 0.5S, stops 2.5S); after all the alarms are relieved, the buzzer is muted, or any key is pressed to mute.
The freezer further includes: and the controller 7 is used for controlling the refrigeration cabinet to work in different operation modes according to the received temperature in the cabinet body 2, the door opening times and the door opening time. The input end of the controller 7 is respectively connected with the temperature collector 3 and the door body switch detection device 5, and the control end of the controller 7 is respectively connected with the refrigerating unit 9 and the alarm device 10. Wherein, the operation mode includes: a first cooling mode, a strong cooling mode, an energy saving mode, a defrosting mode and a sleep mode.
In the present embodiment, the first cooling mode: because the first refrigeration mode (i.e. the common refrigeration mode) controls the temperature according to the set temperature and the control return difference, it can be understood that the set temperature and the control return difference can be preset when the refrigerator leaves the factory, and can also be set by a user according to needs. When the temperature in the cabinet body 2 is higher than the temperature set value plus the control return difference and the minimum shutdown time of the compressor is finished, entering a first refrigeration mode, and starting the compressor; when the temperature in the cabinet 2 is lower than the temperature set value, the compressor is turned off.
And (3) a strong cooling mode: when the freezer operation is under strong cold mode, the temperature setting point of the internal temperature of cabinet 2 can be preset for the freezer when dispatching from the factory, also can be that the user sets up as required, and user's accessible network end (like high in the clouds, APP, believe little procedure etc.) opens strong cold mode and sets up to the correlation. The temperature in the cabinet reaches a set temperature point, but the press still operates all the time, and the evaporation fan cannot be closed. When the preset time is reached, the refrigerator automatically exits from the forced cooling mode, and after exiting, the refrigerator operates according to preset parameters of the controller 7.
Energy-saving mode: when the door opening times meet a preset first threshold, or the refrigerator works in a preset first time period at the moment, the refrigerator operates in the energy-saving mode, the energy-saving mode can be started through a network terminal (such as a cloud terminal, an APP (application), a WeChat applet and the like), and the lighting device 11 is not turned off in the energy-saving mode. Wherein, the temperature point of the energy-saving mode is higher than that of the first refrigeration mode.
A sleep mode: when the door opening times meet a preset second threshold, or the refrigerator works in a preset second time period at the moment, the refrigerator operates in the sleep mode (if the door opening times are less than five times or the refrigerator is in the time period from 12 pm to 5 am), and the sleep mode can be started through a network terminal (such as a cloud terminal, an APP, a WeChat applet and the like) to synchronously turn off illumination. Wherein, the temperature point of the sleep mode is higher than that of the first cooling mode.
Defrosting mode: the defrosting mode can be started through a network terminal (such as a cloud terminal, an APP, a WeChat applet and the like), and when a defrosting exit condition is met, the defrosting mode is automatically exited, and an operation mode (such as a first refrigeration mode, an energy-saving mode or a sleep mode) before defrosting is entered.
The working principle is as follows:
after last electricity, through the temperature in the temperature sensor collection cabinet body 2, door body switch detection dress gathers the number of times of opening the door of the door body, time control refrigeration cabinet work under the operating mode of difference, simultaneous control alarm device 10 works under the alarm mode that corresponds, need not the user and sets up temperature, the number of times of opening the door that can be according to the cabinet body 2 of freezer the time regulation freezer work of opening the door to satisfy product storage and management requirement, thereby make the product keep fresh and reach energy-conserving purpose simultaneously. And when any one of the temperature in the cabinet body 2 and the door opening time exceeds a preset normal operation parameter threshold of the refrigerator (namely, the refrigerator has an abnormal fault), the alarm device 10 is controlled to alarm according to a corresponding alarm mode, and a user is informed in time.
As an improvement of the scheme, the refrigerator further comprises a wireless positioning device which is used for positioning the refrigerator and feeding back position information.
The input end of the controller 7 is connected with the wireless positioning device and is further used for controlling the alarm device 10 to perform a corresponding alarm mode according to the position of the refrigerator.
In the embodiment, the wireless positioning device adopts WIFI positioning and LBS base station bidirectional hybrid positioning, and the positioning precision can be less than 50 meters. Meanwhile, the controller 7 controls the alarm device 10 to send out an alarm signal when the refrigerator is displaced in the putting place calculated by the live-action magnetic field technology. Therefore, the moving track of the refrigerator is checked, the abnormal track of the refrigerator is tracked, and an alarm signal is sent out in time.
As an improvement of the scheme, the refrigerator also comprises an infrared detector 8 which is arranged on the cabinet body 2 and used for collecting the flow of people passing through the refrigerator and sending the flow of people to the controller 7.
In this embodiment, adopt long distance wide-angle infrared detector 8, specifically set up in cabinet 2 tops, the convenient monitoring to the people flow. When the people is through the freezer, the people surface can the radiation infrared ray, and infrared detector 8 can absorb infrared ray energy and output a voltage signal with temperature proportional relation like this to detect the flow of people before the freezer, and then can upload flow of people data to freezer supervisory systems through controller 7, freezer supervisory systems can combine flow of people data to carry out the analysis, confirms the more positions of freezer use amount, the management of better realization freezer.
As an improvement of the above scheme, the method further comprises the following steps: and the image collector 4 is arranged on the door body 1 and used for collecting the image data of the articles in the refrigerator after the door body 1 is opened and sending the image data to the controller 7.
In this embodiment, adopt the camera to be image acquisition ware 4, the camera specifically sets up the handle department at the door body to shoot when the door body is opened, the camera adopts wide angle degree high resolution camera technique moreover, triggers the camera when the door is opened and gathers article image data in the freezer. The image data are uploaded to a freezer supervision system through a controller 7, target objects such as products and brands are automatically found out from the pictures of the mass articles in the freezer through an image recognition technology, meanwhile, the target objects are dug and stubborn and effective information is extracted from the target pictures in combination with customer demands, elements such as article specifications and contents determine the purity of the articles in the freezer, and therefore management of the freezer is achieved better.
As an improvement of the above scheme, the controller 7 is further configured to upload the people flow rate, the temperature in the cabinet body 2, the door opening times, the door opening time, the refrigerator position, and the image data to a refrigerator supervision system, so that the refrigerator supervision system manages the refrigerator and sends abnormal information to a user; wherein the anomaly information includes: equipment failure information and equipment alarm information.
In this embodiment, referring to fig. 4, the refrigerator supervision system includes supervision service platform, refrigerator manager (APP) and data synchronization conversion, and the WeChat applet (in the upgrade) is added in the later stage.
The sub-function module of the supervision service platform comprises: asset management, statistical reports, equipment query, equipment monitoring alarm, position monitoring, performance monitoring, equipment alarm processing, equipment repair, equipment hardware management, system messages, alarm message reminding, user management, authority management, system maintenance, system messages and system log function modules.
The sub-functional modules of the refrigerator housekeeper (based on android system App platform) include: the device monitoring, abnormal alarming, fault maintenance, position tracking, task list and statistical analysis are 6 functional modules.
And monitoring hardware equipment data by data synchronous conversion (a background running platform), decoding, converting and storing the data to a database.
Controller 7 uploads according to the frequency of setting for (setting as required) the flow of people the internal temperature of cabinet 2 the number of times of opening the door the time of opening the door the freezer position reaches image data uploads to freezer supervisory systems, and when above-mentioned data appear unusually, the system informs the user (trigger the unusual alarming function in the App promptly) with unusual information through the App for equipment can obtain timely maintenance, is favorable to the unified management to each freezer simultaneously, improves according to the data of uploading simultaneously, has guaranteed article storage quality.
As an improvement of the above scheme, the method further comprises the following steps: and the lighting device 11 is used for lighting the cabinet body 2.
And the control end of the controller 7 is connected with the lighting device 11 and is used for controlling the lighting device 11 to enter different lighting modes according to different operation modes of the refrigerating unit 9.
In this embodiment, the lighting device 11 is a lighting lamp, and can be set to a plurality of lamp box lamps, in-cabinet lamps, etc., and can be set to a plurality of modes as required, for example, the light is turned on when the door is opened, and the light is turned off or the lighting is continued when the door is closed. The current signal can also be monitored and collected and analyzed at the time of energization to diagnose whether the lighting device 11 is faulty or not.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A refrigerator, comprising:
a cabinet body;
the door body is movably connected to the cabinet body;
the temperature collector is arranged in the cabinet body and is used for collecting the temperature in the cabinet body;
the door body switch detection device is arranged on the cabinet body and is used for collecting the door opening times and the door opening time of the door body;
the refrigerating unit is used for working under different operation modes according to the collected temperature in the cabinet body and the door opening times of the door body;
the alarm device is used for responding in a corresponding alarm mode when any one of the temperature in the cabinet body and the door opening time exceeds a preset normal operation parameter threshold of the refrigerator;
the input end of the controller is respectively connected with the temperature collector and the door body switch detection device, and the control end of the controller is respectively connected with the refrigerating unit and the alarm device, and is used for controlling the refrigerating cabinet to work in different operation modes according to the received temperature in the cabinet body, the door opening times and the door opening time and controlling the alarm device to work in a corresponding alarm mode;
and the power supply device is respectively connected with the power supply end of the refrigerating unit and the power supply end of the controller and is used for supplying power to the refrigerator.
2. The cooler of claim 1, further comprising:
the wireless positioning device is used for positioning the refrigerator and feeding back position information;
the input end of the controller is connected with the wireless positioning device and is also used for controlling the alarm device to respond in a corresponding alarm mode according to the position of the refrigerator.
3. The cooler of claim 2, further comprising:
and the infrared detector is arranged on the cabinet body and used for collecting the flow of people passing through the refrigerator and sending the flow of people to the controller.
4. The cooler of claim 3, further comprising:
and the image collector is arranged on the door body and used for collecting the image data of the articles in the refrigerator after the door body is opened and sending the image data to the controller.
5. The cooler of claim 4,
the controller is also used for uploading the people flow, the temperature in the cabinet body, the door opening times, the door opening time, the refrigerator position and the image data to a refrigerator supervision system, so that the refrigerator supervision system manages the refrigerator and sends abnormal information to a user; wherein the anomaly information includes: equipment failure information and equipment alarm information.
6. The cooler of claim 1, further comprising:
the lighting device is used for lighting the cabinet body, and the power supply end of the lighting device is connected with the power supply device;
and the control end of the controller is connected with the lighting device and is used for controlling the lighting device to enter different lighting modes according to different operation modes of the refrigerating unit.
7. The refrigerator of claim 1 wherein the power supply means comprises: a backup power source.
8. The cooler of claim 1, wherein the refrigeration unit comprises: compressor, condensation motor and at least one evaporation motor.
9. The refrigerator of claim 1 wherein the door switch detection means is a door magnetic detection switch.
10. A refrigerator as claimed in claim 1, characterised in that the alarm means comprise: a nixie tube and a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216629.0U CN212006351U (en) | 2020-02-26 | 2020-02-26 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216629.0U CN212006351U (en) | 2020-02-26 | 2020-02-26 | Refrigerator |
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| Publication Number | Publication Date |
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| CN212006351U true CN212006351U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020216629.0U Active CN212006351U (en) | 2020-02-26 | 2020-02-26 | Refrigerator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617516A (en) * | 2020-12-07 | 2021-04-09 | 珠海格力电器股份有限公司 | Light assembly control method, showcase system and equipment |
| CN113154757A (en) * | 2021-04-29 | 2021-07-23 | 青岛海容商用冷链股份有限公司 | Refrigerator and temperature control method thereof |
| CN114739083A (en) * | 2022-04-13 | 2022-07-12 | 四川虹美智能科技有限公司 | Intelligent refrigerator system and control method thereof |
| CN117308505A (en) * | 2023-11-29 | 2023-12-29 | 青岛量谷无线科技有限公司 | Intelligent maintenance and decision support method suitable for commercial refrigerator |
-
2020
- 2020-02-26 CN CN202020216629.0U patent/CN212006351U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617516A (en) * | 2020-12-07 | 2021-04-09 | 珠海格力电器股份有限公司 | Light assembly control method, showcase system and equipment |
| CN113154757A (en) * | 2021-04-29 | 2021-07-23 | 青岛海容商用冷链股份有限公司 | Refrigerator and temperature control method thereof |
| CN114739083A (en) * | 2022-04-13 | 2022-07-12 | 四川虹美智能科技有限公司 | Intelligent refrigerator system and control method thereof |
| CN114739083B (en) * | 2022-04-13 | 2023-05-23 | 四川虹美智能科技有限公司 | Intelligent refrigerator system and control method thereof |
| CN117308505A (en) * | 2023-11-29 | 2023-12-29 | 青岛量谷无线科技有限公司 | Intelligent maintenance and decision support method suitable for commercial refrigerator |
| CN117308505B (en) * | 2023-11-29 | 2024-02-20 | 青岛量谷无线科技有限公司 | Intelligent maintenance and decision support method suitable for commercial refrigerator |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240130 Address after: No. 8 Haixin Avenue, Nancun Town, Pingdu City, Qingdao City, Shandong Province, 266100 Patentee after: Qingdao Hisense commercial cold chain Limited by Share Ltd. Country or region after: China Address before: No.46, Wenfeng North Road, Ronggui Rongli, Shunde District, Foshan City, Guangdong Province Patentee before: HISENSE RONSHEN (GUANGDONG) FREEZER Co.,Ltd. Country or region before: China Patentee before: Qingdao Hisense commercial cold chain Limited by Share Ltd. |
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| TR01 | Transfer of patent right |