CN215986958U - Zero watt standby control circuit and corresponding kitchen electrical equipment - Google Patents
Zero watt standby control circuit and corresponding kitchen electrical equipment Download PDFInfo
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- CN215986958U CN215986958U CN202122299323.3U CN202122299323U CN215986958U CN 215986958 U CN215986958 U CN 215986958U CN 202122299323 U CN202122299323 U CN 202122299323U CN 215986958 U CN215986958 U CN 215986958U
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Abstract
The utility model discloses a zero watt standby control circuit and corresponding kitchen electrical equipment, wherein the zero watt standby control circuit is applied to the kitchen electrical equipment with a power supply and comprises: a microswitch and a relay controlled by the MCU control unit are arranged between the preset alternating current input end and the power supply in parallel; when the microswitch is closed, the preset alternating current input end supplies power to the power supply, and the MCU control unit controls the relay to be closed; when the micro switch is switched off, the alternating current input end is connected to the power supply through the relay; when the kitchen electrical equipment is in standby, the MCU control unit controls the relay to be disconnected and cuts off the input voltage of the power supply. The zero watt standby control circuit and the corresponding kitchen electrical equipment provided by the utility model can cut off the commercial power input voltage of the power supply in a long-time standby state, realize zero watt standby, and are beneficial to energy conservation and environmental protection.
Description
Technical Field
The utility model relates to the field of household kitchen electrical equipment, in particular to a zero-watt standby control circuit and corresponding kitchen electrical equipment.
Background
According to the national standard requirements, the standby power requirements of the embedded steaming and baking oven, the steaming and baking integrated machine, the microwave oven and other kitchen electrical equipment are less than 2.2W under the condition of display and less than 0.5W under the condition of shutdown. The standby power consumption refers to that a power supply is connected with 220V mains supply and is connected with all electric equipment but is not started, and the whole power loss mainly comes from the no-load loss of the power supply and the standby power consumption of a mainboard.
At present, the standby power of the existing similar products exceeds 1W, and the standby energy consumption is like an invisible blood sucking insect, so that huge environmental protection pressure is formed while energy is wasted. In order to reduce standby energy consumption, each country sets a stricter energy efficiency standard, and accordingly, product energy efficiency certification is developed. Therefore, further reducing the standby power consumption of the product is a new trend and direction of the existing product development.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a zero-watt standby control circuit and corresponding kitchen electrical equipment, which can cut off the mains supply input voltage of a power supply in a long-time standby state, realize zero-watt standby and are beneficial to energy conservation and environmental protection.
A zero watt standby control circuit for use in an electrical kitchen appliance having a power source, comprising: a microswitch and a relay are connected in parallel between the preset alternating current input end and the power supply; when the microswitch is closed, the preset alternating current input end supplies power to the power supply, and the relay is closed; when the micro switch is switched off, the alternating current input end is connected with a power supply through the relay; when the kitchen electrical equipment is in standby, the relay is switched off and cuts off the input voltage of the power supply;
optionally, the input voltage of the ac input terminal is preset to be 220V;
optionally, the relay is controlled by an MCU control unit, and when the microswitch is turned off, the MCU control unit controls the relay to be turned on; when the kitchen electrical equipment is in standby, the MCU control unit controls the relay to be switched off;
optionally, the microswitch is associated with a box door of the kitchen electrical equipment, and when the box door is opened or closed, the microswitch is triggered to be closed or opened;
optionally, the working voltage of the relay is a direct current voltage;
optionally, the voltage values of the direct current voltage include 12V, 24V and 36V;
optionally, the preset alternating current input end is a four-pin plug-in;
optionally, the MCU control unit is a single chip microcomputer.
A kitchen electrical equipment comprises a microwave oven, a steaming and baking oven and a steaming and baking all-in-one machine, wherein the kitchen electrical equipment is provided with a power supply and comprises the zero watt standby control circuit;
optionally, the state of the door of the kitchen electrical equipment is associated with the microswitch, and when the door is opened or closed, the microswitch is triggered to be closed or opened.
The zero watt standby control circuit provided by the utility model has the working principle that: when the micro switch is closed, the mains supply voltage at the alternating current input end is communicated with the power supply of the kitchen electrical equipment through the micro switch, so that the power supply works; meanwhile, the MCU control unit controls the relay to be closed; when the micro switch is switched off, the mains supply voltage at the alternating current input end enters the power supply part through the relay so as to ensure the normal work of the kitchen electrical equipment; when the kitchen electrical equipment is in standby state without working for a long time, the MCU control unit controls the relay to be switched off, so that the input voltage of the power supply is cut off, and zero watt standby is realized.
The kitchen electrical equipment provided by the utility model comprises but is not limited to a microwave oven, a steaming and baking all-in-one machine and the like, wherein a box door of the kitchen electrical equipment is associated with a microswitch, and the microswitch is triggered to work by the opening and closing state of the box door. Compared with the existing product, the utility model can cut off the commercial power input voltage of the power supply in the long-time standby state, realize zero watt standby, and is beneficial to energy conservation and environmental protection.
Drawings
Fig. 1 is a schematic diagram of a zero watt standby control circuit in an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
A zero watt standby control circuit, as shown in FIG. 1, is applied to a kitchen electrical appliance having a power supply V1, and comprises: a microswitch S1 and a relay RY1 controlled by the MCU control unit are arranged in parallel between the preset alternating current input end CN1 and the power supply; when the micro switch is closed, namely the pins 2 and 3 are communicated, the preset alternating current input end supplies power to the power supply, and the MCU control unit controls the pins 1 and 2 of the relay to be attracted; when the micro switch is disconnected, namely the pin 2 is communicated with the pin 1, the alternating current input end is connected to a power supply through the relay; when the kitchen electric equipment is in standby, the MCU control unit controls the relay to be switched off, namely, the 1 pin and the 2 pin are switched off, so that the input voltage of the power supply is cut off.
The input voltage of the ac input terminal is preset to 220V, but is not limited thereto; the operating voltage of the relay is +12V, but is not limited thereto, and may be a direct current voltage such as 24V, 36V, and the like; the MCU control unit can specifically adopt a singlechip, but is not limited to the singlechip; the preset alternating current input end CN1 is a four-pin plug-in, that is, the first pin corresponds to the positive pole of the 220V ACL, the fourth pin corresponds to the negative pole of the 220V ACN, and the second pin and the third pin are reserved.
Further, in one embodiment, a micro switch is associated with a door of the kitchen appliance, and the micro switch is triggered to be closed or opened when the door is opened or closed. That is, taking a microwave oven as an example, when a door of the microwave oven is opened or closed, the micro switch is triggered to be turned on or off, so that when the door of the microwave oven is closed and in a standby state, the input voltage of the power supply of the microwave oven is cut off, thereby realizing zero watt standby and reducing the power consumption of products.
A kitchen electrical equipment comprises but is not limited to a microwave oven, a steaming and baking all-in-one machine and the like, wherein the kitchen electrical equipment is provided with a power supply which is connected with an alternating current input end so as to ensure that the kitchen electrical equipment supplies power; the kitchen electrical equipment comprises the zero watt standby control circuit, wherein the state of a box door of the kitchen electrical equipment is associated with the micro switch, and when the box door is opened or closed, the micro switch is triggered to be closed or opened. The operation principle of the zero watt standby control circuit is not described in detail herein.
The above is the explanation of the zero watt standby control circuit and the burner of the present invention to help understanding the present invention; the present invention is not limited to the above embodiments, and any changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit of the present invention are intended to be equivalent replacements within the scope of the present invention.
Claims (10)
1. A zero watt standby control circuit, which is applied to kitchen electrical equipment with a power supply and comprises: a microswitch and a relay are connected in parallel between the preset alternating current input end and the power supply; when the microswitch is closed, the preset alternating current input end supplies power to the power supply, and the relay is closed; when the micro switch is switched off, the alternating current input end is connected to the power supply through the relay; when the kitchen electric appliance is in standby, the relay is switched off and cuts off the input voltage of the power supply.
2. The zero watt standby control circuit of claim 1 wherein the input voltage at the predetermined ac input terminal is 220V.
3. The zero watt standby control circuit of claim 1 wherein the relay is controlled by an MCU control unit which controls the relay to close when the microswitch is closed; when the kitchen electrical equipment is in standby, the MCU control unit controls the relay to be disconnected.
4. The zero watt standby control circuit of claim 1 wherein the micro switch is associated with a door of the kitchen electrical appliance and is triggered to close or open when the door is opened or closed.
5. The zero watt standby control circuit of claim 1 wherein the operating voltage of the relay is a direct current voltage.
6. The zero watt standby control circuit of claim 5 wherein the voltage values of the DC voltage include 12V, 24V and 36V.
7. The zero watt standby control circuit of claim 1 wherein the preset ac input is a four pin card.
8. The zero watt standby control circuit of claim 3 wherein the MCU control unit is a single chip microcomputer.
9. A kitchen appliance, characterized in that the kitchen appliance comprises a microwave oven, a steaming oven and a steaming and baking all-in-one machine, the kitchen appliance is provided with a power supply and comprises a zero watt standby control circuit according to any one of claims 1 to 6.
10. The kitchen appliance of claim 9, wherein a door status of the kitchen appliance is associated with the micro switch, and wherein the micro switch is triggered to close or open when the door is opened or closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299323.3U CN215986958U (en) | 2021-09-18 | 2021-09-18 | Zero watt standby control circuit and corresponding kitchen electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299323.3U CN215986958U (en) | 2021-09-18 | 2021-09-18 | Zero watt standby control circuit and corresponding kitchen electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215986958U true CN215986958U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122299323.3U Active CN215986958U (en) | 2021-09-18 | 2021-09-18 | Zero watt standby control circuit and corresponding kitchen electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215986958U (en) |
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2021
- 2021-09-18 CN CN202122299323.3U patent/CN215986958U/en active Active
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