CN219436887U - Circuit for reducing standby power consumption of main transformer integrated refrigerator through relay - Google Patents
Circuit for reducing standby power consumption of main transformer integrated refrigerator through relay Download PDFInfo
- Publication number
- CN219436887U CN219436887U CN202320319811.2U CN202320319811U CN219436887U CN 219436887 U CN219436887 U CN 219436887U CN 202320319811 U CN202320319811 U CN 202320319811U CN 219436887 U CN219436887 U CN 219436887U
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- Prior art keywords
- relay
- variable frequency
- power supply
- circuit
- power consumption
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a circuit for reducing standby power consumption of a main transformer integrated refrigerator through a relay, which comprises a rectification filter module, an AC/DC power supply, a main control MCU part, a BUCK power supply and a variable frequency MCU part, wherein the rectification filter module is respectively connected with the AC/DC power supply and the BUCK power supply, the AC/DC power supply is connected with the main control MCU part, the BUCK power supply is connected with the variable frequency MCU part, and the circuit also comprises: and a relay K1. According to the utility model, a relay K1 is added, two ends of a relay coil are controlled by a main control MCU part, and a normally open contact of the relay K1 is connected with a power supply end of a variable frequency MC part; when the variable frequency press does not need to be started, the relay does not work, the normally open electric shock is not closed, the variable frequency MCU and the back-end circuit are not electrified, and the standby power consumption can be reduced; when the variable frequency press is required to start, the main control MCU controls the relay coil to be electrified, the relay is normally open and electrically contacted, and the variable frequency MCU and the rear-end circuit are not electrified and can be started according to working conditions; the standby power consumption of the main transformer integrated refrigerator can be reduced.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to a circuit for reducing standby power consumption of a main transformer integrated refrigerator through a relay.
Background
The main control part and the variable frequency part of the main transformer integrated board of the existing refrigerator are basically separately powered (as shown in figure 2). The main control part is powered by AC-DC (isolated power supply), and the frequency conversion part is powered by BUCK (non-isolated power supply).
When the work is needed, the main control MCU is communicated with the variable frequency MCU, and the variable frequency MCU drives the variable frequency motor; when the variable frequency press does not need to work, the variable frequency MCU and the bridge driving chip still have standby current, and standby power consumption can be caused.
Disclosure of Invention
The utility model aims to provide a circuit for reducing standby power consumption of a main transformer integrated refrigerator through a relay so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circuit that reduces integrative refrigerator stand-by power consumption of main transformer through relay, includes rectification filter module, AC/DC power, master control MCU part, BUCK power and frequency conversion MCU part, rectification filter module is connected with AC/DC power and BUCK power respectively, AC/DC power is connected with master control MCU part, BUCK power is connected with frequency conversion MCU part still includes: and a relay K1.
Preferably, two ends of a coil of the relay K1 are controlled by the main control MCU part, and a normally open contact of the relay K1 is connected with a power supply end of the variable frequency MC part.
Compared with the prior art, the utility model has the beneficial effects that: a relay K1 is added, two ends of a relay coil are controlled by a main control MCU part, and a normally open contact of the relay K1 is connected with a power supply end of a variable frequency MC part; when the variable frequency press does not need to be started, the relay does not work, the normally open electric shock is not closed, the variable frequency MCU and the back-end circuit are not electrified, and the standby power consumption can be reduced; when the variable frequency press is required to start, the main control MCU controls the relay coil to be electrified, the relay is normally open and electrically contacted, and the variable frequency MCU and the rear-end circuit are not electrified and can be started according to working conditions; the standby power consumption of the main transformer integrated refrigerator can be reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of the structure of the prior art.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1, in an embodiment of the present utility model, a circuit for reducing standby power consumption of a main transformer integrated refrigerator through a relay includes a rectifying and filtering module, an AC/DC power supply, a main control MCU portion, a BUCK power supply and a variable frequency MCU portion, where the rectifying and filtering module is connected with the AC/DC power supply and the BUCK power supply, the AC/DC power supply is connected with the main control MCU portion, and the BUCK power supply is connected with the variable frequency MCU portion, and further includes: and a relay K1.
Preferably, two ends of a coil of the relay K1 are controlled by the main control MCU part, and a normally open contact of the relay K1 is connected with a power supply end of the variable frequency MC part.
A relay K1 is added, two ends of a relay coil are controlled by a main control MCU part, and a normally open contact of the relay K1 is connected with a power supply end of a variable frequency MC part;
when the variable frequency press does not need to be started, the relay does not work, the normally open electric shock is not closed, the variable frequency MCU and the back-end circuit are not electrified, and the standby power consumption can be reduced;
when the variable frequency press is required to start, the main control MCU controls the relay coil to be electrified, the relay is normally open and electrically contacted, and the variable frequency MCU and the rear-end circuit are not electrified and can be started according to working conditions.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (2)
1. The utility model provides a circuit that reduces integrative refrigerator stand-by power consumption of main transformer through relay, includes rectification filter module, AC/DC power, master control MCU part, BUCK power and frequency conversion MCU part, rectification filter module is connected with AC/DC power and BUCK power respectively, AC/DC power is connected with master control MCU part, BUCK power is connected with frequency conversion MCU part, its characterized in that:
further comprises: and a relay K1.
2. The circuit for reducing standby power consumption of a main transformer integrated refrigerator through a relay according to claim 1, wherein: and two ends of a coil of the relay K1 are controlled by the main control MCU part, and a normally open contact of the relay K1 is connected with a power supply end of the variable frequency MC part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320319811.2U CN219436887U (en) | 2023-02-27 | 2023-02-27 | Circuit for reducing standby power consumption of main transformer integrated refrigerator through relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320319811.2U CN219436887U (en) | 2023-02-27 | 2023-02-27 | Circuit for reducing standby power consumption of main transformer integrated refrigerator through relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219436887U true CN219436887U (en) | 2023-07-28 |
Family
ID=87339682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320319811.2U Active CN219436887U (en) | 2023-02-27 | 2023-02-27 | Circuit for reducing standby power consumption of main transformer integrated refrigerator through relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219436887U (en) |
-
2023
- 2023-02-27 CN CN202320319811.2U patent/CN219436887U/en active Active
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