CN220489509U - Variable-frequency refrigerator control board - Google Patents
Variable-frequency refrigerator control board Download PDFInfo
- Publication number
- CN220489509U CN220489509U CN202321013506.7U CN202321013506U CN220489509U CN 220489509 U CN220489509 U CN 220489509U CN 202321013506 U CN202321013506 U CN 202321013506U CN 220489509 U CN220489509 U CN 220489509U
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- 230000003993 interaction Effects 0.000 claims abstract description 7
- 230000001629 suppression Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model discloses a variable-frequency refrigerator control board which comprises a power supply module, an MCU chip, a display interaction module, a variable-frequency driving module and an active control module, wherein the power supply module is connected with the MCU module; the utility model simplifies the cost and the installation structure.
Description
Technical Field
The utility model relates to the technical field of variable frequency electric control development, in particular to a variable frequency refrigerator control board.
Background
The frequency conversion refrigerator mainly integrates the functions of frequency conversion driving, nixie tube display, key operation, door opening and closing, temperature sensor, load lamp and the like. The existing situation is that the frequency conversion driving module is independently arranged into a plate, and is connected to the nixie tube for display through a wire harness, and each frequency conversion driving module is provided with a control box. The variable-frequency refrigerator is simple to control, redundant wire harnesses and a control box are added, and overall cost control is not facilitated.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model aims to provide a variable-frequency refrigerator control board, which simplifies cost and installation structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a frequency conversion refrigerator-freezer control panel, includes power module, MCU chip, shows interactive module, frequency conversion drive module and initiative control module, power module is connected with the MCU module, the MCU module respectively with show interactive module, frequency conversion drive module and initiative control module and be connected, power module, MCU chip, show interactive module, frequency conversion drive module and initiative control module integration are on a PCB board.
As a further improvement of the utility model, the PCB board is a single panel or a double panel.
As a further improvement of the utility model, the power module, the MCU chip, the display interaction module, the variable frequency driving module and the active control module are integrated on the PCB in a patch or plug-in mode.
The beneficial effects of the utility model are as follows:
the utility model simplifies the cost and the installation structure, integrates the variable frequency drive module, the nixie tube display, the key operation, the main control sensor and the load on a PCB, saves redundant connection wiring harnesses and a control electric control box, optimizes the structure installation and saves the single machine cost. The variable-frequency refrigerator control board can be installed at different positions according to the development requirement of the refrigerator body, a variable-frequency driving module, man-machine interaction and a main control unit are added, and the scheme gradually becomes a standardized scheme platform for future variable-frequency refrigerator control.
Drawings
FIG. 1 is a block diagram of the components of the module unit in an embodiment of the present utility model;
fig. 2 is an a-plane layout diagram of a PCB board according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a B-side layout of a PCB board according to an embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Examples
As shown in FIG. 1, the variable-frequency refrigerator control panel mainly comprises a power module, an MCU chip, display control interaction, variable-frequency drive and a main control unit, wherein the power module is responsible for converting an alternating-current 220Vac power supply into 12V and 3.3V and respectively supplying power to a main control load and the MCU chip, the MCU chip outputs and controls the variable-frequency drive according to a control strategy, simultaneously collects sensor values, controls a lighting lamp load, establishes communication with the display control module according to a key input instruction and a display rule, and displays in different states. The PCB layout adopts an AB double-sided patch double-sided plug-in mode, wherein the A-sided layout AC input, the compressor output, the main control sensor input port and the main control load output port are shown in the figure 2, and the B-sided layout MCU chip, the digital display and the operation keys are shown in the figure 3. Through the above combined layout, the control board platform integrating display, main control and driving is realized by the single board.
Specifically, the embodiment adopts a double-sided board layout, wherein the A-side layout comprises an L/N power input socket, a UVW compressor output, a door and temperature sensor and an illumination lamp load, and the B-side layout comprises a control chip, a digital display tube and an operation key. The board card adopts a double-sided patch and double-sided plug-in reflow crest process. The LN inputs 220V commercial power, the EMI circuit module (including differential mode inductance harmonic suppression) is adopted, the AC-DC power module is converted into 12V or 15V for driving a half-bridge and a lighting lamp load, the LDO chip is converted into 3.3V or 5V for supplying power to a control chip, a sensor, a nixie tube control and a key, the control chip outputs and controls a variable frequency driving module, digital display, key and sensor input instruction receiving and the like, and chip control digital display, variable frequency driving output, a main control sensor and load are integrated into a variable frequency refrigerator control are realized.
In addition, the PCB layout can adopt double panels or single panels, the application requirement is not limited by plates, the digital display can adopt patch LED lamp beads, the mounting position of the refrigerator control panel is random, the refrigerator control panel is not limited by the system structure and electric parts, the realization function is not limited by a main control sensor and a lighting lamp load, various types of the refrigerator control panel can be freely combined, the realization performance comprises an EMI circuit, a harmonic suppression circuit, high-low voltage compatibility and the like, the frequency conversion driving module can select a separation device or an integrated radiator module according to the application requirement, the power module does not limit an AC-DC mode BUCK chip, a transformer form can be adopted, and the number of the chips can be 1 chip alone or more than 2, and can support external control signals.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (2)
1. The variable-frequency refrigerator control board comprises a power supply module, an MCU chip, a display interaction module, a variable-frequency driving module and an active control module, wherein the power supply module is connected with the MCU module, and the MCU module is respectively connected with the display interaction module, the variable-frequency driving module and the active control module; the power module, the MCU chip, the display interaction module, the variable frequency driving module and the active control module are integrated on the PCB in a patch or plug-in mode; the power supply module converts 220V mains supply into 12V or 15V power supply through the circuit module containing differential mode inductance harmonic suppression EMI, and converts the 220V mains supply into 3.3V or 5V power supply through the LDO chip.
2. The variable frequency ice bin control board of claim 1, wherein the PCB board is a single panel or a double panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013506.7U CN220489509U (en) | 2023-04-28 | 2023-04-28 | Variable-frequency refrigerator control board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013506.7U CN220489509U (en) | 2023-04-28 | 2023-04-28 | Variable-frequency refrigerator control board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220489509U true CN220489509U (en) | 2024-02-13 |
Family
ID=89841480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321013506.7U Active CN220489509U (en) | 2023-04-28 | 2023-04-28 | Variable-frequency refrigerator control board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220489509U (en) |
-
2023
- 2023-04-28 CN CN202321013506.7U patent/CN220489509U/en active Active
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