CN110995318B - Power supply and communication connection method for refrigerator main control board and display control board - Google Patents
Power supply and communication connection method for refrigerator main control board and display control board Download PDFInfo
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- CN110995318B CN110995318B CN201911295451.1A CN201911295451A CN110995318B CN 110995318 B CN110995318 B CN 110995318B CN 201911295451 A CN201911295451 A CN 201911295451A CN 110995318 B CN110995318 B CN 110995318B
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- Prior art keywords
- control board
- display control
- main control
- refrigerator
- wires
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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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
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/36—Visual displays
Abstract
The invention discloses a power supply and communication connection method for a refrigerator main control board and a display control board, and relates to the technical field of refrigerators. The invention comprises a main control board, a display control board and a connecting piece; the connection method comprises the following steps: firstly, wires arranged between the main control board and the display control board are respectively connected to two ends of the metal connecting piece; secondly, the main control board supplies power to the display control board through a wire and a connecting piece; the main control board and the display control board both comprise carrier communication circuits, communication contents are loaded on the two wires through the carrier communication circuits, and meanwhile, the communication contents are decoded through the carrier communication circuits. According to the invention, through the effects that two wires are arranged between the main control board and the display control board and the metal connecting piece is connected in each wire, the functions of power supply and communication are realized simultaneously, and the refrigerator has the advantage that wiring does not need to be arranged in a hinge between the refrigerator main body and a refrigerator door or in a guide rail between the refrigerator main body and a refrigerator drawer.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a power supply and communication connection method for a refrigerator main control board and a display control board.
Background
In some large electric refrigerators, especially household refrigerators, the control panel is usually divided into two parts, one main control panel and one display control panel. The main control board is responsible for the light, fan motor, air door, the valve of refrigerator and for showing the control panel power supply and communicate etc. show the control panel and be responsible for and carry out the interaction with the user, switch the function, show regulation temperature etc..
The main control board is generally installed at the top or the back of the refrigerator due to large area, heavy weight and large thickness, and the display control board is generally installed at the front of the refrigerator door due to direct interaction with a user. As described in the above section, the main control board needs to supply power to the display control board, and the display control board finally needs to send the relevant instruction to the main control board when the user adjusts the temperature, the function, and the like on the display control board, and then the main control board executes the action execution of the relevant load. That is, the main control board needs to maintain communication with the display control board besides supplying power to the display control board, and usually adopts a single-wire or two-wire communication mode, and additionally adds two wires for supplying power, which are four wires in total.
Just because the refrigerator door is a movable part, use hinged joint between refrigerator main part and the refrigerator door, the connecting wire between main control board and the demonstration control panel need pass the hinge between refrigerator main part and the refrigerator door.
According to the existing technical scheme, the wire can be in long-term contact with the hinge and rub, and the wire can be abraded and fails after long-term use. In addition, in some scenarios, such as a hinge with a variable axis cannot be perforated with traces on the hinge axis, or for aesthetic reasons, it is undesirable to have traces between the refrigerator body and the door.
Chinese patent No. CN102324952B, No. 2013.12.04, entitled communications Circuit for non-polar two-wire System; the patent discloses a non-polar two-wire system communication circuit, which comprises a host end and a slave end, wherein the host end is connected with and controls the slave end, a host end sending and receiving circuit module is arranged in the host end, a slave end sending and receiving circuit module is arranged in the slave end, and the host end sending and receiving circuit module is connected with a slave end sending and receiving circuit module in a non-polar two-wire system wiring mode. Compared with the prior art, the air conditioner indoor unit controller supplies power to the air conditioner temperature controller, communicates with the temperature controller through the power line, and the wiring mode is non-polar wiring, and the two wires can supply power and communicate simultaneously, so that the problems of supplying power and transmitting signals simultaneously by the two wires are solved, and the requirements on wires and installation are reduced. The technical scheme that power supply and communication can be simultaneously carried out on two wires is disclosed.
According to the connecting method for power supply and communication of the refrigerator main control board and the display control board, the two wires are arranged between the main control board and the display control board, and the metal connecting piece is connected in each wire, so that the functions of power supply and communication are realized simultaneously, the connecting method has the advantages that wiring does not need to be arranged in a hinge between a refrigerator main body and a refrigerator door or in a guide rail between the refrigerator main body and a refrigerator drawer, and the problems of line abrasion and failure caused by long-term contact and friction between lines and the hinge are solved.
Disclosure of Invention
The invention aims to provide a power supply and communication connection method of a refrigerator main control board and a display control board, which realizes the function of simultaneously supplying power and communicating by arranging two wires between the main control board and the display control board and connecting a metal connecting piece in each wire.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a power supply and communication connection method of a refrigerator main control board and a display control board, which comprises the main control board, the display control board and a hinge for connecting a refrigerator main body and a refrigerator door or a guide rail assembly for connecting a drawer type refrigerator main body and a refrigerator drawer; the hinge and the guide rail assembly are all connecting pieces made of metal materials; the connection method comprises the following steps: the display control panel is characterized in that two wires are led out of the main control panel, the two wires are respectively connected to two connecting pieces, and the other ends of the two connecting pieces are respectively connected to the display control panel through the two wires; secondly, the main control board supplies power to the display control board through a wire and a connecting piece; thirdly, the main control board comprises a carrier communication circuit, the communication content sent to the display control board is loaded on the two wires through the carrier communication circuit on the main control board, and meanwhile, the communication content sent from the display control board is decoded through the carrier communication circuit on the main control board; and fourthly, the display control board comprises a carrier communication circuit, communication contents sent to the main control board are loaded on the two wires through the carrier communication circuit on the display control board, and meanwhile, the communication contents sent from the main control board are decoded through the carrier communication circuit on the display control board.
Further, the hinge comprises at least two hinges, wherein the two hinges are an upper hinge and a lower hinge respectively; the two conducting wires are respectively connected with an upper hinge and a lower hinge.
Further, the guide rail assembly comprises two guide rails, wherein the two guide rails are a left guide rail and a right guide rail respectively; and the two conducting wires are respectively connected with a left guide rail and a right guide rail.
Further, the lead is fixedly connected with the connecting piece through bolts or cold pressing or welding or riveting.
According to the power supply and communication connection method of the refrigerator main control board and the display control board, when the refrigerator body and the refrigerator door are connected by using the hinges, two or more hinges are arranged up and down, and the hinges are usually made of metal materials. Therefore, the technical scheme of the connection method for power supply and communication between the main control board and the display control board of the refrigerator utilizes the upper metal hinge and the lower metal hinge, two wires are led out from the main control board on the main body of the refrigerator and are respectively connected with the joints of the upper hinge and the lower hinge and the main body of the refrigerator, and two wires are also led out from the display control board on the refrigerator door and are respectively connected with the joints of the upper hinge and the lower hinge and the refrigerator door; the main control board and the display control board realize the electrical connection of two wires through upper and lower door hinges, further combine with a carrier technology to realize the simultaneous transmission of power supply and communication information on the two wires, and finally realize the functions of power supply and communication connection between the main control board and the display control board without wiring at the hinges; through the method, the power supply and communication control of the main control board on the display control board through the upper hinge and the lower hinge of the fixed refrigerator door are realized.
When the refrigerator is a drawer type refrigerator, but not a door-opening type refrigerator, namely, the drawer panel is fixed on the refrigerator main body through a left guide rail and a right guide rail; the display control board can also be arranged on the drawer, the upper hinge and the lower hinge in the technical scheme can be replaced by a left guide rail and a right guide rail, namely, two wires led out by the main control board are respectively fixed at the joints of the left guide rail and the right guide rail and the refrigerator main body, and two wires led out by the display board are respectively fixed at the joints of the left guide rail and the right guide rail and the drawer, so that the same function is realized.
The invention has the following beneficial effects:
according to the invention, two wires are arranged between the main control board and the display control board, and a metal connecting piece is connected in each wire, so that the functions of power supply and communication are realized simultaneously, the refrigerator has the advantage that wiring does not need to be arranged in a hinge between a refrigerator main body and a refrigerator door or in a guide rail between the refrigerator main body and a refrigerator drawer, and the problems of wire abrasion and failure caused by long-term contact and friction between wires and the hinge are avoided.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a system block diagram of a connection method for power supply and communication between a refrigerator main control board and a display control board in a first embodiment;
fig. 2 is a system block diagram of a connection method for power supply and communication between a refrigerator main control board and a display control board in the second embodiment.
Detailed Description
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.
Example one
Referring to fig. 1, the present invention relates to a method for connecting a main control board and a display control board of a refrigerator for power supply and communication, which comprises a main control board, a display control board and a hinge for connecting a main body of the refrigerator and a refrigerator door; the hinge is a connecting piece made of metal; the connection method comprises the following steps: the display control panel is characterized in that two wires are led out of the main control panel, the two wires are respectively connected to two connecting pieces, and the other ends of the two connecting pieces are respectively connected to the display control panel through the two wires; secondly, the main control board supplies power to the display control board through a wire and a connecting piece; thirdly, the main control board comprises a carrier communication circuit, the communication content sent to the display control board is loaded on the two wires through the carrier communication circuit on the main control board, and meanwhile, the communication content sent from the display control board is decoded through the carrier communication circuit on the main control board; and fourthly, the display control board comprises a carrier communication circuit, the communication content sent to the main control board is loaded on the two wires through the carrier communication circuit on the display control board, and meanwhile, the communication content sent from the main control board is decoded through the carrier communication circuit on the display control board.
Preferably, the hinge comprises at least two hinges, wherein the two hinges are an upper hinge and a lower hinge respectively; the two wires are respectively connected with an upper hinge and a lower hinge.
Preferably, the conductor is fixedly connected to the connector by means of bolts or cold pressing or welding or riveting.
According to the power supply and communication connection method of the refrigerator main control board and the display control board, when the refrigerator body and the refrigerator door are connected by using the hinges, two or more hinges are arranged up and down, and the hinges are usually made of metal materials. Therefore, the technical scheme of the connection method for power supply and communication between the main control board and the display control board of the refrigerator utilizes the upper metal hinge and the lower metal hinge, two wires are led out from the main control board on the main body of the refrigerator and are respectively connected with the joints of the upper hinge and the lower hinge and the main body of the refrigerator, and two wires are also led out from the display control board on the refrigerator door and are respectively connected with the joints of the upper hinge and the lower hinge and the refrigerator door; the main control board and the display control board are electrically connected through the upper door hinge and the lower door hinge, the carrier technology is further combined, the power supply and the communication information are transmitted on the two wires at the same time, and finally the power supply and communication connection functions between the main control board and the display control board can be achieved without wiring at the hinges.
Example two
Referring to fig. 2, the present invention is a method for connecting a main control board and a display control board of a refrigerator for power supply and communication, including a main control board, a display control board, and a rail assembly for connecting a drawer-type refrigerator main body and a refrigerator drawer; the guide rail assembly is a connecting piece made of metal; the connection method comprises the following steps: the display control panel is characterized in that two wires are led out of the main control panel, the two wires are respectively connected to two connecting pieces, and the other ends of the two connecting pieces are respectively connected to the display control panel through the two wires; secondly, the main control board supplies power to the display control board through a wire and a connecting piece; thirdly, the main control board comprises a carrier communication circuit, the communication content sent to the display control board is loaded on the two wires through the carrier communication circuit on the main control board, and meanwhile, the communication content sent from the display control board is decoded through the carrier communication circuit on the main control board; and fourthly, the display control board comprises a carrier communication circuit, the communication content sent to the main control board is loaded on the two wires through the carrier communication circuit on the display control board, and meanwhile, the communication content sent from the main control board is decoded through the carrier communication circuit on the display control board.
Preferably, the guide rail assembly comprises two guide rails, the two guide rails are respectively a left guide rail and a right guide rail; the two wires are respectively connected with a left guide rail and a right guide rail.
Preferably, the conductor is fixedly connected to the connector by means of bolts or cold pressing or welding or riveting.
According to the power supply and communication connection method for the main control board and the display control board of the refrigerator, when the refrigerator is a drawer type refrigerator instead of a door-opening type refrigerator, namely a drawer panel is fixed on a refrigerator main body through a left guide rail and a right guide rail; the display control board can also be arranged on the drawer, so the technical scheme of the connection method for power supply and communication of the refrigerator main control board and the display control board utilizes the left guide rail and the right guide rail, two wires are led out from the main control board on the refrigerator main body and are respectively connected with the connection parts of the left guide rail, the right guide rail and the refrigerator main body, and two wires are also led out from the display control board on the refrigerator door and are respectively connected with the connection parts of the left guide rail, the right guide rail and the refrigerator door; the main control board and the display control board realize the electrical connection of the two wires through the left guide rail and the right guide rail, the power supply and the communication information are transmitted on the two wires simultaneously by further combining a carrier technology, and finally the functions of power supply and communication connection between the main control board and the display control board can be realized without wiring at the guide rail assembly.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (2)
1. A power supply and communication connection method for a refrigerator main control board and a display control board comprises the main control board, the display control board and a hinge for connecting a refrigerator main body and a refrigerator door or a guide rail assembly for connecting a drawer type refrigerator main body and a refrigerator drawer; the hinge and the guide rail assembly are all connecting pieces made of metal materials; the method is characterized in that: the connection method comprises the following steps:
the display control panel is characterized in that two wires are led out of the main control panel, the two wires are respectively connected to two connecting pieces, and the other ends of the two connecting pieces are respectively connected to the display control panel through the two wires;
secondly, the main control board supplies power to the display control board through a wire and a connecting piece;
thirdly, the main control board comprises a carrier communication circuit, the communication content sent to the display control board is loaded on the two wires through the carrier communication circuit on the main control board, and meanwhile, the communication content sent from the display control board is decoded through the carrier communication circuit on the main control board;
fourthly, the display control board comprises a carrier communication circuit, the communication content sent to the main control board is loaded on the two wires through the carrier communication circuit on the display control board, and meanwhile, the communication content sent from the main control board is decoded through the carrier communication circuit on the display control board;
the hinges comprise at least two hinges, wherein the two hinges are an upper hinge and a lower hinge respectively; the two conducting wires are respectively connected with an upper hinge and a lower hinge;
the guide rail assembly comprises two guide rails, wherein the two guide rails are a left guide rail and a right guide rail respectively; and the two conducting wires are respectively connected with a left guide rail and a right guide rail.
2. The connection method for power supply and communication between the main control board and the display control board of the refrigerator according to claim 1, wherein the wire is fixedly connected with the connecting piece through bolts or cold pressing or welding or riveting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911295451.1A CN110995318B (en) | 2019-12-16 | 2019-12-16 | Power supply and communication connection method for refrigerator main control board and display control board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911295451.1A CN110995318B (en) | 2019-12-16 | 2019-12-16 | Power supply and communication connection method for refrigerator main control board and display control board |
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| CN110995318A CN110995318A (en) | 2020-04-10 |
| CN110995318B true CN110995318B (en) | 2021-10-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111750608A (en) * | 2020-06-23 | 2020-10-09 | 四川虹美智能科技有限公司 | Intelligent refrigerator communication device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324952A (en) * | 2011-09-30 | 2012-01-18 | 深圳麦克维尔空调有限公司 | Non-polar two-line system communication circuit |
| CN102353218A (en) * | 2011-08-16 | 2012-02-15 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| JP2013061104A (en) * | 2011-09-13 | 2013-04-04 | Hitachi Appliances Inc | Refrigerator |
| CN204595221U (en) * | 2015-04-21 | 2015-08-26 | 中国民用航空总局第二研究所 | A kind of common aero vehicle airborne communication navigational system |
| CN105452788A (en) * | 2013-07-12 | 2016-03-30 | 株式会社东芝 | Refrigerator |
| CN107525340A (en) * | 2017-08-31 | 2017-12-29 | 青岛海尔股份有限公司 | A kind of support for refrigerator drawer and there is its refrigerator |
| CN109827477A (en) * | 2019-01-22 | 2019-05-31 | 北京电子工程总体研究所 | A kind of acquisition and recording general-purpose system of the priming system sensitizing pulse timing on bullet |
-
2019
- 2019-12-16 CN CN201911295451.1A patent/CN110995318B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353218A (en) * | 2011-08-16 | 2012-02-15 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| JP2013061104A (en) * | 2011-09-13 | 2013-04-04 | Hitachi Appliances Inc | Refrigerator |
| CN102324952A (en) * | 2011-09-30 | 2012-01-18 | 深圳麦克维尔空调有限公司 | Non-polar two-line system communication circuit |
| CN105452788A (en) * | 2013-07-12 | 2016-03-30 | 株式会社东芝 | Refrigerator |
| CN204595221U (en) * | 2015-04-21 | 2015-08-26 | 中国民用航空总局第二研究所 | A kind of common aero vehicle airborne communication navigational system |
| CN107525340A (en) * | 2017-08-31 | 2017-12-29 | 青岛海尔股份有限公司 | A kind of support for refrigerator drawer and there is its refrigerator |
| CN109827477A (en) * | 2019-01-22 | 2019-05-31 | 北京电子工程总体研究所 | A kind of acquisition and recording general-purpose system of the priming system sensitizing pulse timing on bullet |
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