CN209928235U - External equipment and system for refrigerator - Google Patents
External equipment and system for refrigerator Download PDFInfo
- Publication number
- CN209928235U CN209928235U CN201920562536.0U CN201920562536U CN209928235U CN 209928235 U CN209928235 U CN 209928235U CN 201920562536 U CN201920562536 U CN 201920562536U CN 209928235 U CN209928235 U CN 209928235U
- Authority
- CN
- China
- Prior art keywords
- module
- refrigerator
- main control
- communication
- control board
- 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.)
- Active
Links
- 230000006854 communication Effects 0.000 claims abstract description 81
- 238000004891 communication Methods 0.000 claims abstract description 80
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 description 22
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to an external device and control system for refrigerator. The device comprises: the device comprises a DC-DC circuit, a communication module, a communication circuit and a control module; the communication module is used for carrying out wireless communication with an external server; the DC-DC circuit is connected with the communication module and is used for voltage conversion and providing driving power for the communication module; the communication circuit is connected with the communication module and is used for enabling the communication module to communicate with a main control board of the refrigerator through the communication circuit; the control module is connected with the communication module and is used for controlling the operation of the communication module. The control system comprises a main control board, an external server and an external device, wherein the main control board is connected with the external device through an interface. The utility model can burn programs for the main control board of the refrigerator without WiFi function through OTA function in the production process of the refrigerator, thereby improving the production efficiency; and the main control panel of the refrigerator can be remotely upgraded, so that the after-sale cost is reduced.
Description
Technical Field
The utility model relates to a wireless communication technical field, in particular to an external device and system for refrigerator.
Background
At present, many refrigerators do not have a wireless transmission module and corresponding functions, and correspondingly, a main control board does not have a wireless transmission function, and the program burning and software updating processes need to be transmitted through wires, as shown in fig. 1. The program burner is connected with the program receiving port of the main control board through a transmission line so as to burn programs and update software.
However, the above prior art has the following technical problems:
(1) when the programming program is produced, the program programmer is required to be used as a programming device to be inserted into a main control panel of the refrigerator, so that the operation is complicated;
(2) the software program update process is complicated when used in the home of the user.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
The utility model discloses to the refrigerator that does not have the wireless transmission function, designed an external device for refrigerator, with the help of the interface of main control board, insert the main control board of refrigerator with this external device, can long-rangely burn and record and update the procedure to the main control board.
Therefore, a first object of the present invention is to provide an external device for a refrigerator, including: the device comprises a DC-DC circuit, a communication module, a communication circuit and a control module; the communication module is used for carrying out wireless communication with an external server; the DC-DC circuit is connected with the communication module and is used for voltage conversion and providing driving power for the communication module; the communication circuit is connected with the communication module and is used for enabling the communication module to communicate with a main control board of the refrigerator through the communication circuit; the control module is connected with the communication module and is used for controlling the operation of the communication module.
In a preferred embodiment of the present invention, the communication module is a WiFi module.
In a preferred embodiment of the present invention, the control module employs a micro control unit.
In a preferred embodiment of the present invention, the external server is an over-the-air technology (OTA) enabled server.
In a preferred embodiment of the present invention, the DC-DC circuit, the communication circuit, and the control module are respectively connected to the main control board of the refrigerator, and are used for burning and/or updating the program of the main control board of the refrigerator.
In a preferred embodiment of the present invention, the DC-DC circuit, the communication circuit, and the control module are connected to the main control board of the refrigerator through a UART interface or a USB interface.
The utility model discloses a preferred embodiment still includes the instruction module, instruction module and control module or communication circuit are connected, instruction module is used for instructing program burning record progress and/or program update progress.
In the utility model discloses a preferred embodiment, the indication module is connected with control module, the indication module is the LCD display screen, shows procedure burning progress and/or procedure update progress through it.
In the utility model discloses a preferred embodiment, the indication module is connected with communication circuit, the indication module is the LED lamp, indicates procedure burning progress and/or procedure update progress through its scintillation.
Therefore, a second objective of the present invention is to provide a control system for a refrigerator, which includes a main control board, an external server and an external device as described above, wherein the main control board is connected to the external device through an interface.
The utility model can burn the program for the refrigerator main control board without wireless transmission function through OTA function in the production process of the refrigerator, thereby improving the production efficiency; and the main control panel of the refrigerator can be remotely upgraded, so that the after-sale cost is reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a conventional program burning method of a main control board in a refrigerator in the prior art;
FIG. 2 is a schematic diagram of the external device for a refrigerator according to the present invention;
fig. 3 is a schematic diagram of an internal structure of an external device according to an embodiment of the present invention;
fig. 4 is a schematic view of an internal structure of an external device according to another embodiment of the present invention;
fig. 5 is a schematic diagram of a control system for a refrigerator according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The utility model discloses in related to the OTA technique. OTA is known as Over-the-Air Technology, i.e., Over-the-Air Technology. OTA upgrading is a standard software upgrading mode provided by an Android system. The system has powerful functions, can be upgraded without loss, mainly automatically downloads OTA upgrade packages and upgrades through networks (such as WiFi, 3G and 4G), but also supports the upgrade from downloading the OTA upgrade packages to the SD card. The OTA upgrade package is very small, generally several M to more than ten M, if use the network upgrade, it is very convenient. And OTA upgrading does not need to backup data, all upgrading work is finished in a short time, and all data can be kept intact.
The utility model relates to an external device for a refrigerator, which preferably adopts a WiFi board form, and the WiFi board is communicated with a main control board through an interface; the program can be burnt into the main control panel through the OTA function during the commodity inspection, the main control panel program can be remotely updated, and the progress and the completion condition can be indicated in the communication process. Although the utility model discloses an external device for refrigerator has adopted the form of wiFi board, but is not limited to this form, other hardware structure designs that have wireless transmission function can also realize the utility model discloses.
Fig. 2 is a schematic diagram of the external device for the refrigerator of the present invention. FIG. 2 shows the external device, including an indication module, a control module and a communication module, wherein the indication module is preferably an LED lamp or an LCD display screen, through which the program burning progress and/or the program updating progress is displayed; the control module is preferably an MCU and is used for controlling the operation of the communication module; the communication module is preferably a WIFI module for wireless communication with an external server, wherein the external server is preferably a server with OTA functionality.
Example 1
Fig. 3 is a schematic diagram of an internal structure of the external device according to an embodiment of the present invention.
The utility model discloses an external equipment includes DC-DC circuit, communication module, communication circuit, control module and indicating module, and wherein communication module is connected with DC-DC circuit, communication circuit, control module respectively, and indicating module is connected with control module, and DC-DC circuit, communication circuit, control module pass through the interface and are connected with the main control board of refrigerator.
The utility model discloses an external equipment can compatible refrigerator main control board's interface to make the main control board of refrigerator have the wireless transmission function.
Preferably, the communication module is a WiFi module, and the main control panel of the refrigerator realizes wireless transmission with an external server through the WiFi module.
Preferably, the communication circuit is a communication circuit commonly used in the art, such as a combination of a capacitor, a resistor, and an inductor, or a combination including a communication chip and a capacitor, a resistor, and an inductor.
Preferably, the control module employs a Micro Control Unit (MCU), such as a high pass 4004 chip.
Preferably, the indicating module adopts an LED lamp or an LCD display screen.
Preferably, an interface between the main control board of the refrigerator and the external device may be a UART interface, or may be in the form of a USB interface.
In this embodiment, do through the interface on the main control board of refrigerator the utility model discloses an external equipment provides 12V direct current voltage, truns into 3.3V or 5V with 12V voltage through the DC-DC circuit that external equipment includes for drive communication module and for it provides the power. The indication module is connected to the control module, and the control module can use an MCU chip for example and is controlled by the MCU chip, so that information such as transmission progress is indicated. The utility model discloses an external equipment can also with show the master control board of board parallel access refrigerator, through the control communication, realize showing board and external equipment and can both be compatible with the master control board of refrigerator.
In this embodiment, during operation, the interface on the main control board through the refrigerator links to each other external device and the main control board of refrigerator, and external device burns the program to the refrigerator main control board through the OTA function as the medium between OTA server and the refrigerator main control board, through the communication module that external device has, can also realize the long-range update of main control board. The indication module may be, but is not limited to, an LCD display screen for indicating the status of program transmission, such as program burning progress and/or program updating progress.
Through the embodiment, the external equipment of the utility model is compatible with the interface of the main control board of the refrigerator, and realizes the compatibility of the external equipment and the display board; the wireless transmission function is provided for the refrigerator main control board without the wireless transmission function. The utility model can burn programs for the main control board without wireless transmission function through OTA function in the production process of the refrigerator, thereby improving the program burning efficiency of the main control board of the refrigerator production line and improving the production efficiency; and the main control panel of the refrigerator can be remotely upgraded in the processes of sale and use by users, so that the after-sale cost is reduced.
Example 2
Fig. 4 is a schematic diagram of an internal structure of an external device according to another embodiment of the present invention.
The utility model discloses an external equipment includes DC-DC circuit, communication module, communication circuit, control module and indicating module, and wherein communication module is connected with DC-DC circuit, communication circuit, control module respectively, and indicating module is connected with communication circuit, and DC-DC circuit, communication circuit, control module pass through the interface and are connected with the main control board of refrigerator.
The utility model discloses an external equipment can compatible refrigerator main control board's interface to make the main control board of refrigerator have the wireless transmission function.
Preferably, the communication module is a WiFi module, and the main control panel of the refrigerator realizes wireless transmission with an external server through the WiFi module.
Preferably, the communication circuit is a communication circuit commonly used in the art, such as a combination of a capacitor, a resistor, and an inductor, or a combination including a communication chip and a capacitor, a resistor, and an inductor.
Preferably, the control module employs a Micro Control Unit (MCU), such as a high pass 4004 chip.
Preferably, the indicating module adopts an LED lamp or an LCD display screen.
Preferably, an interface between the main control board of the refrigerator and the external device may be a UART interface, or may be in the form of a USB interface.
In this embodiment, do through the interface on the main control board of refrigerator the utility model discloses an external equipment provides 12V direct current voltage, truns into 3.3V or 5V with 12V voltage through the DC-DC circuit that external equipment includes for drive communication module and for it provides the power. The indication module is connected to the control module, and the control module can use an MCU chip for example and is controlled by the MCU chip, so that information such as transmission progress is indicated. The utility model discloses an external equipment can also with show the master control board of board parallel access refrigerator, through the control communication, realize showing board and external equipment and can both be compatible with the master control board of refrigerator.
In this embodiment, during operation, the interface on the main control board through the refrigerator links to each other external device and the main control board of refrigerator, and external device burns the program to the refrigerator main control board through the OTA function as the medium between OTA server and the refrigerator main control board, through the communication module that external device has, can also realize the long-range update of main control board. In the embodiment, the indication module is not controlled by using a control module (chip), but is directly connected to the communication circuit. The indication module may be an LED lamp, and indicates the status of program transmission, such as program burning progress and/or program updating progress, by flashing of the LED lamp.
Through the embodiment, the external equipment of the utility model is compatible with the interface of the main control board of the refrigerator, and realizes the compatibility of the external equipment and the display board; the wireless transmission function is provided for the refrigerator main control board without the wireless transmission function. The utility model can burn programs for the main control board without wireless transmission function through OTA function in the production process of the refrigerator, thereby improving the program burning efficiency of the main control board of the refrigerator production line and improving the production efficiency; in addition, the main control panel of the refrigerator can be remotely upgraded in the processes of sale and use by users, so that the after-sale cost is reduced
Fig. 5 is a schematic diagram of a control system for a refrigerator according to the present invention.
The utility model discloses a control system includes main control board, outside server and the external device in figure 3 or figure 4, and wherein, the main control board is through the interface connection external device on it. The during operation links to each other external device and the main control board of refrigerator through the interface, and external device is as the media between OTA server and the main control board, can burn the program to the main control board through the OTA function to can realize the long-range update of refrigerator main control board. The indication module may be, but not limited to, an LCD display screen, and the display screen is connected to the control module (e.g., a chip), and the chip is connected to the communication circuit to feed back the communication progress to the display screen, so as to display the progress of burning or program updating; the indicating module is directly connected to the communication circuit instead of being controlled by a control module (chip), and can be an LED lamp, and the flashing of the LED lamp indicates the program transmission state, such as the program burning progress and/or the program updating progress.
The utility model discloses a control system can be used for refrigerator production line production main control board to burn the program, also can use this external equipment to give the refrigerator main control board that does not have the wireless transmission function and update the program.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. An external device for a refrigerator, comprising:
the device comprises a DC-DC circuit, a communication module, a communication circuit and a control module; wherein,
the communication module is used for carrying out wireless communication with an external server;
the DC-DC circuit is connected with the communication module and is used for voltage conversion and providing driving power for the communication module;
the communication circuit is connected with the communication module and is used for enabling the communication module to communicate with a main control board of the refrigerator through the communication circuit;
the control module is connected with the communication module and is used for controlling the operation of the communication module.
2. An external device according to claim 1,
the communication module is a WiFi module.
3. An external device according to claim 1,
the external server is a server with an over-the-air downloading technology function.
4. An external device according to claim 1,
the DC-DC circuit, the communication circuit and the control module are respectively connected with a main control board of the refrigerator and used for burning and/or updating programs of the main control board of the refrigerator.
5. An external device according to claim 4,
the DC-DC circuit, the communication circuit and the control module are connected with a main control board of the refrigerator through a UART interface or a USB interface.
6. An external device according to claim 4,
the control module adopts a micro-control unit.
7. An external device according to claim 4,
the device also comprises an indication module, wherein the indication module is connected with the control module or the communication circuit and is used for indicating the program burning progress and/or the program updating progress.
8. An external device according to claim 7,
the indicating module is connected with the control module and is an LCD display screen, and the program burning progress and/or the program updating progress are/is displayed through the indicating module.
9. An external device according to claim 7,
the indicating module is connected with the communication circuit and is an LED lamp, and the indicating module indicates program burning progress and/or program updating progress through flickering of the LED lamp.
10. A system for a refrigerator comprising a main control board, an external server, and the external device of any one of claims 1-7, the main control board being connected to the external device through an interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562536.0U CN209928235U (en) | 2019-04-23 | 2019-04-23 | External equipment and system for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562536.0U CN209928235U (en) | 2019-04-23 | 2019-04-23 | External equipment and system for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209928235U true CN209928235U (en) | 2020-01-10 |
Family
ID=69074953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920562536.0U Active CN209928235U (en) | 2019-04-23 | 2019-04-23 | External equipment and system for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209928235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111352636A (en) * | 2020-02-27 | 2020-06-30 | 苏州浪潮智能科技有限公司 | Method, system and equipment for displaying updating progress of programmable logic device |
| CN114465842A (en) * | 2022-01-30 | 2022-05-10 | 合肥美的电冰箱有限公司 | Communication system, household appliance equipment, remote upgrading system and communication method |
-
2019
- 2019-04-23 CN CN201920562536.0U patent/CN209928235U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111352636A (en) * | 2020-02-27 | 2020-06-30 | 苏州浪潮智能科技有限公司 | Method, system and equipment for displaying updating progress of programmable logic device |
| CN114465842A (en) * | 2022-01-30 | 2022-05-10 | 合肥美的电冰箱有限公司 | Communication system, household appliance equipment, remote upgrading system and communication method |
| CN114465842B (en) * | 2022-01-30 | 2024-02-13 | 合肥美的电冰箱有限公司 | Communication system, household appliance, remote upgrading system and communication method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10715602B2 (en) | Adaptive internet-of-things service system using detachable/attachable hardware module | |
| CN102647821B (en) | Lamp | |
| CN104361871A (en) | Display screen debugging method, device and system | |
| CN107203458A (en) | A kind of server state information display device and method | |
| CN209928235U (en) | External equipment and system for refrigerator | |
| CN204406556U (en) | A kind of POS base of adaptive OTG mobile device | |
| CN102610186B (en) | Portable-type control device for configuring LED (light-emitting diode) display screen | |
| CN103516961B (en) | Image processor and preparation method thereof and master card | |
| CN103400551B (en) | LED display controller and LED display screen system | |
| CN103997683A (en) | System for using set-top-box platform to realize customizable Flash CD-ROM recorder and method thereof | |
| CN105208752B (en) | A kind of LED lamp wireless control system and control method | |
| CN110769559A (en) | Multi-interface compatible multiplexing communication, dimming and programming system | |
| JP2016524771A (en) | Method and device for updating program data | |
| CN103200299A (en) | Wireless data synchronized wireless charging base, display device and wireless charging method | |
| CN108874713B (en) | Information processing method and device | |
| CN104853237A (en) | Television, software and hardware remote diagnosis method thereof, and software upgrading method thereof | |
| CN105869316A (en) | POS base adapted to OTG (On-The-Go) mobile device | |
| CN207557927U (en) | A kind of instrument and hand-held software upgrading tool | |
| CN107636632B (en) | Method and system for identifying liquid crystals of different manufacturers | |
| CN214896578U (en) | Optical module firmware downloading device | |
| CN205160861U (en) | LED lamps and lanterns wireless control system | |
| CN106879113A (en) | The method and apparatus of terminal and its Based Intelligent Control indicator lamp | |
| CN110147058B (en) | Borrow singlechip timing chip of wiFi module | |
| JP4416751B2 (en) | Battery information processing system and battery unit | |
| KR101352134B1 (en) | User terminal and method for upgrading software of electric home appliances |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |