CN212304751U - Power control circuit and air conditioner - Google Patents
Power control circuit and air conditioner Download PDFInfo
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- CN212304751U CN212304751U CN202020686837.7U CN202020686837U CN212304751U CN 212304751 U CN212304751 U CN 212304751U CN 202020686837 U CN202020686837 U CN 202020686837U CN 212304751 U CN212304751 U CN 212304751U
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- 238000001514 detection method Methods 0.000 claims abstract description 41
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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Abstract
The utility model provides a power control circuit and air conditioner detects air conditioner complete machine power supply or indoor set power supply's electric current through detection circuitry to confirm indoor outer standby state, and when standby state, control circuit control relay cuts off-premises station power supply, thereby reduces the energy consumption. The utility model discloses an increase a power control circuit in the periphery, can save the standby energy consumption of outdoor controller, energy saving on the basis of the indoor outer automatically controlled board that does not change general product.
Description
Technical Field
The utility model belongs to the technical field of domestic appliance and specifically relates to a power control circuit and air conditioner is related to.
Background
For the outdoor power supply variable frequency air conditioner controller, the internal controller can not cut off the power supply for the outdoor controller. In general, an outdoor controller for supplying power outdoors is always electrified, and the standby power consumption of the outdoor controller is generally about 3W and is relatively high, which is not beneficial to energy conservation. Moreover, the prior art does not provide a corresponding scheme to solve the problem of energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power control circuit and air conditioner on the basis of the indoor outer automatically controlled board that does not change general product, saves the standby energy consumption of outdoor controller, energy saving.
In order to solve the technical problem, an embodiment of the utility model provides a power control circuit, include:
a first port of the detection circuit is connected with a power supply of the whole air conditioner or a power supply of the indoor unit;
the first port of the control chip is connected with the second port of the detection circuit;
a first port of the control circuit is connected with a second port of the control chip;
the control port of the relay is connected with the second port of the control circuit, the first switch port of the relay is connected with an outdoor unit power supply, and the second switch port of the relay is connected with the air conditioner complete machine power supply;
and the power supply module is connected with a power supply of the whole air conditioner.
Further, a first port of the detection circuit is connected with a power supply of the whole air conditioner or a power supply of the indoor unit, and specifically comprises:
the first port of the detection circuit is connected with a live wire or a zero wire of the power supply of the whole air conditioner;
or the first port of the detection circuit is connected with a live wire or a zero wire of the power supply of the indoor unit.
Further, the detection circuit includes: the current transformer, the first resistor, the rectifying circuit, the second resistor and the third resistor are connected;
an input port of the current transformer is connected with a first port of the detection circuit, a first output port of the current transformer is connected with a first input port of the rectification circuit, and a second output port of the current transformer is connected with a second input port of the rectification circuit;
a first port of the first resistor is connected with a first output port of the current transformer, and a second port of the first resistor is connected with a second output port of the current transformer;
a first output port of the rectifying circuit is connected with a first port of the second resistor, and a second output port of the rectifying circuit is connected with a first port of the third resistor;
a second port of the second resistor is connected with a second port of the detection circuit;
and the second port of the third resistor is connected with the second port of the detection circuit.
Further, the control circuit comprises a fourth resistor and a triode;
a first port of the fourth resistor is connected with a first port of the control circuit, and a second port of the fourth resistor is connected with a base electrode of the triode;
and the emitter of the triode is connected with a signal ground, and the collector of the triode is connected with the control port of the control circuit.
Further, the power module is connected with the power supply of the air conditioner complete machine, and specifically comprises:
the first port of the power supply module is connected with a live wire of the power supply of the whole air conditioner;
and a second port of the power supply module is connected with a zero line of the power supply of the whole air conditioner.
The embodiment of the utility model also provides an air conditioner, which comprises a power supply, an indoor unit, an outdoor unit and the power control circuit;
the power supply is connected with the indoor unit;
the power supply, the relay of the power supply control circuit and the outdoor unit are sequentially connected in series.
The embodiment of the utility model provides a power control circuit and air conditioner detects air conditioner complete machine power supply or indoor set power supply's electric current through detection circuitry to confirm indoor outer standby state, and when standby state, control circuit control relay cuts off-premises station power supply, thereby reduce the energy consumption. The utility model discloses an increase a power control circuit in the periphery, can save the standby energy consumption of outdoor controller, energy saving on the basis of the indoor outer automatically controlled board that does not change general product.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a power control circuit provided by the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the power control circuit connected to a power supply of the whole device provided by the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the power control circuit connected to the power supply of the whole device provided by the present invention;
fig. 4 is a schematic structural diagram of another embodiment of the power control circuit provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a schematic structural diagram of an embodiment of a power control circuit. As shown in fig. 1, the filter circuit includes a detection circuit 1, a control chip 2, a control circuit 3, a relay 4, and a power supply module 5.
The first port of the detection circuit 1 is connected with a power supply of the whole air conditioner or a power supply of an indoor unit.
And a first port of the control chip 2 is connected with a second port of the detection circuit 1.
And a first port of the control circuit 3 is connected with a second port of the control chip 2.
And a control port of the relay 4 is connected with a second port of the control circuit 3, a first switch port of the relay is connected with an outdoor unit power supply, and a second switch port of the relay is connected with an air conditioner complete machine power supply.
And the power supply module 5 is connected with a power supply of the air conditioner complete machine.
In this embodiment, the first port of the detection circuit 1 is connected to a power supply of the whole air conditioner or a power supply of the indoor unit, and specifically includes: the first port of the detection circuit 1 is connected with a live wire or a zero wire of a power supply of the whole air conditioner, or the first port of the detection circuit 1 is connected with a live wire or a zero wire of a power supply of an indoor unit.
The utility model discloses a detection circuitry 1 can detect the power supply of air conditioner complete machine or indoor set power supply's electric current to confirm the standby condition of off-premises station, specifically explain like fig. 2 and fig. 3.
Fig. 2 is a schematic diagram of the detection circuit 1 for detecting the power supply of the air conditioner complete machine, and a first port of the detection circuit 1 is connected with a live wire of the power supply of the air conditioner complete machine. When the indoor unit is in standby state, the power is only about 1W, and the current of the whole machine detected by the detection circuit 1 is very weak, about 5 milliamperes; when the indoor unit is started, the fan of the indoor unit starts to operate, the power of the indoor unit is at least over 10W, and the current of the whole unit detected by the detection circuit 1 is strong, and is about 50 milliamperes approximately. This current signal can be input into control chip 2, and control chip 2 can send control command to control circuit 3, makes control circuit 3 control relay 4 closed, and at this moment, indoor outer machine all can normal operating. The current of the whole machine comprises current of an indoor unit and current of an outdoor unit.
When the indoor unit and the outdoor unit are stopped, the current of the whole unit detected by the detection circuit 1 is weak, and the power is about 4W. If the state continues for a period of time, for example, after 5 minutes, it can be considered that the indoor and outdoor units are not started any more, and then the indoor and outdoor units enter the standby state. The control chip 2 sends a control instruction to the control circuit 3, so that the control circuit 3 controls the relay 4 to be switched off, the outdoor unit is not powered, the power of the whole machine is only about 1W at the moment, and the standby energy consumption is reduced.
Fig. 3 is a schematic diagram of the detection circuit 1 for detecting the power supply of the indoor unit, and the first port of the detection circuit 1 is connected to the live wire of the power supply of the indoor unit. In fig. 3, the indoor unit power supply and the complete unit power supply are the same power supply, but in other embodiments, the indoor unit power supply and the complete unit power supply may be different power supplies. When the indoor unit is in standby state, the power is only about 1W, and the current of the whole machine detected by the detection circuit 1 is very weak, about 5 milliamperes; when the indoor unit is started, the fan of the indoor unit starts to operate, the power of the indoor unit is at least over 10W, and the current of the whole unit detected by the detection circuit 1 is strong, and is about 50 milliamperes approximately. This current signal can be input into control chip 2, and control chip 2 can send control command to control circuit 3, makes control circuit 3 control relay 4 closed, and at this moment, indoor outer machine all can normal operating.
When the indoor unit and the outdoor unit are shut down, the current of the indoor unit detected by the detection circuit 1 is weak, the power is about 1W, if the state lasts for a period of time, the setting of the event needs to avoid the longest defrosting time of the indoor unit, and if the state lasts for 20 minutes, the indoor unit and the outdoor unit are not started any more and enter a standby state. The control chip 2 sends a control instruction to the control circuit 3, so that the control circuit 3 controls the relay 4 to be switched off, the outdoor unit is not powered, the power of the whole machine is only about 1W at the moment, and the standby energy consumption is reduced.
For better explanation of the structure of the present invention, refer to fig. 4, and fig. 4 is a schematic structural diagram of another embodiment of the power control circuit provided by the present invention. As shown in fig. 4, the detection circuit includes a current transformer T1, a first resistor R1, a rectifying circuit, a second resistor R2, and a third resistor R3 connected. The rectifying circuit consists of four diodes D1/D2/D3/D4.
An input port of the current transformer T1 is connected with a first port of the detection circuit 1, a first output port of the current transformer T1 is connected with a first input port of the rectification circuit, and a second output port of the current transformer T1 is connected with a second input port of the rectification circuit.
A first port of the first resistor R1 is connected to a first output port of the current transformer T1, and a second port of the first resistor R1 is connected to a second output port of the current transformer.
The first output port of the rectifying circuit is connected with the first port of the second resistor R2, and the second output port of the rectifying circuit is connected with the first port of the third resistor R3.
A second port of the second resistor R2 is connected with a second port of the detection circuit 1; a second port of the third resistor R3 is connected to a second port of the detection circuit 1.
In this embodiment, the current transformer T1 is used to collect current of a zero line or a live line of an AC power supply, the secondary coil passes through the first resistor R1 to obtain a collected voltage, and then passes through the rectifying circuit to perform full-wave rectification to obtain a full-wave voltage, and finally passes through the second resistor R2 and the third resistor R3 to obtain a sampling voltage, and the sampling voltage is sent to the control chip 2.
The control chip 2 is an MCU chip, and controls the control circuit 3 by sending high and low levels, so that the relay 4 is opened or closed.
In the present embodiment, the control circuit 3 includes a fourth resistor and a transistor. The first port of the fourth resistor is connected with the first port of the control circuit 3, and the second port of the fourth resistor is connected with the base electrode of the triode. The emitter of the triode is connected with the signal ground, and the collector of the triode is connected with the control port of the control circuit 3.
In this embodiment, the power module 5 is connected to the power supply of the air conditioner, specifically: the first port of the power supply module is connected with a live wire of a power supply of the air conditioner complete machine; and the second port of the power supply module is connected with a zero line of a power supply of the whole air conditioner.
Correspondingly, the utility model also provides an air conditioner, include: the power supply, the indoor unit, the outdoor unit and the power supply control circuit are arranged in the indoor unit; wherein, the power supply is connected with the indoor unit; the power supply, the relay of the power supply control circuit and the outdoor unit are sequentially connected in series.
The air conditioner can be, but is not limited to, a variable frequency air conditioner, a variable frequency mobile air conditioner.
Furthermore, the utility model discloses a power control circuit still is applicable to products such as frequency conversion window machine, frequency conversion dehumidifier.
To sum up, the utility model discloses only need increase a power control circuit on the power cord leading to the indoor set, can learn the standby condition of indoor outer machine, when the off-premises station standby, cut off the power supply of off-premises station, can save the standby energy consumption of outdoor controller, energy saving on the basis of the indoor outer automatically controlled board that does not change general product.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (6)
1. A power control circuit, comprising:
a first port of the detection circuit is connected with a power supply of the whole air conditioner or a power supply of the indoor unit;
the first port of the control chip is connected with the second port of the detection circuit;
a first port of the control circuit is connected with a second port of the control chip;
the control port of the relay is connected with the second port of the control circuit, the first switch port of the relay is connected with an outdoor unit power supply, and the second switch port of the relay is connected with the air conditioner complete machine power supply;
and the power supply module is connected with a power supply of the whole air conditioner.
2. The power control circuit according to claim 1, wherein the first port of the detection circuit is connected to a power supply of an air conditioner overall unit or a power supply of an indoor unit, and specifically comprises:
the first port of the detection circuit is connected with a live wire or a zero wire of the power supply of the whole air conditioner;
or the first port of the detection circuit is connected with a live wire or a zero wire of the power supply of the indoor unit.
3. The power control circuit of claim 2, wherein the detection circuit comprises: the current transformer, the first resistor, the rectifying circuit, the second resistor and the third resistor are connected;
an input port of the current transformer is connected with a first port of the detection circuit, a first output port of the current transformer is connected with a first input port of the rectification circuit, and a second output port of the current transformer is connected with a second input port of the rectification circuit;
a first port of the first resistor is connected with a first output port of the current transformer, and a second port of the first resistor is connected with a second output port of the current transformer;
a first output port of the rectifying circuit is connected with a first port of the second resistor, and a second output port of the rectifying circuit is connected with a first port of the third resistor;
a second port of the second resistor is connected with a second port of the detection circuit;
and the second port of the third resistor is connected with the second port of the detection circuit.
4. The power control circuit of claim 3, wherein the control circuit comprises a fourth resistor and a transistor;
a first port of the fourth resistor is connected with a first port of the control circuit, and a second port of the fourth resistor is connected with a base electrode of the triode;
and the emitter of the triode is connected with a signal ground, and the collector of the triode is connected with the control port of the control circuit.
5. The power control circuit according to claim 4, wherein the power module is connected to a power supply of the complete air conditioner, specifically:
the first port of the power supply module is connected with a live wire of the power supply of the whole air conditioner;
and a second port of the power supply module is connected with a zero line of the power supply of the whole air conditioner.
6. An air conditioner, comprising: a power supply, an indoor unit, an outdoor unit, and a power supply control circuit according to any one of claims 1 to 5;
the power supply is connected with the indoor unit;
the power supply, the relay of the power supply control circuit and the outdoor unit are sequentially connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686837.7U CN212304751U (en) | 2020-04-28 | 2020-04-28 | Power control circuit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686837.7U CN212304751U (en) | 2020-04-28 | 2020-04-28 | Power control circuit and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN212304751U true CN212304751U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020686837.7U Active CN212304751U (en) | 2020-04-28 | 2020-04-28 | Power control circuit and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537473A (en) * | 2024-01-09 | 2024-02-09 | 泉州市张工自动化设备有限公司 | Novel central air conditioner control device with real-time monitoring energy consumption |
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2020
- 2020-04-28 CN CN202020686837.7U patent/CN212304751U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117537473A (en) * | 2024-01-09 | 2024-02-09 | 泉州市张工自动化设备有限公司 | Novel central air conditioner control device with real-time monitoring energy consumption |
| CN117537473B (en) * | 2024-01-09 | 2024-04-05 | 泉州市张工自动化设备有限公司 | Novel central air conditioner control device with real-time monitoring energy consumption |
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