CN106440220B - Air conditioner standby circuit and air conditioner - Google Patents

Abstract

The invention discloses an air conditioner standby circuit and an air conditioner. The air conditioner standby circuit includes an indoor unit circuit (1) and an outdoor unit circuit (2), and a first power wiring, a second power wiring and a common wire are connected between the indoor unit circuit (1) and the outdoor unit circuit (2). , the indoor unit circuit (1) includes an indoor control circuit (3), the outdoor unit circuit (2) includes an outdoor control circuit (4), one end of the outdoor control circuit (4) is connected to the second power wiring, and the other end is connected to the common On the line, the first end of the indoor control circuit (3) is connected to the first power wiring and the second power wiring respectively, the second end is connected to the common line, and the indoor control circuit (3) is connected to the second power wiring. An on-off switch (6) is arranged on the connecting line of the line, and the power line (5) is connected to the first power wiring line of the outdoor unit circuit (2). According to the standby circuit of the air conditioner of the present invention, the standby power consumption can be further reduced, and the waste of energy can be reduced.

Description

Air conditioner standby circuit and air conditioner

technical field

The present invention relates to the technical field of air conditioners, and in particular, to an air conditioner standby circuit and an air conditioner.

Background technique

With the higher and higher energy efficiency standards of air conditioners, the standby power consumption of air conditioners has also attracted more and more attention. When the circuit of the existing ordinary air conditioner is in standby, both the indoor unit circuit and the outdoor unit circuit of the air conditioner are in the power-on state, and the energy consumption is relatively large. In order to reduce the standby power consumption of the air conditioner, an energy-saving air conditioner is proposed. The indoor unit and the outdoor unit are connected by a power line, a signal line for transmitting signals, and a common line for transmitting AC power and transmitting signals. During standby, the power supply to the circuit in the outdoor unit is stopped, and when starting, the circuit in the outdoor unit is started after power is supplied from the indoor unit to the outdoor unit via the signal line. However, such a circuit structure is complicated. When the outdoor unit is in the standby state, the outdoor unit will still consume a small amount of power. When there are a large number of air conditioners, even if the outdoor unit is in the standby state, it will cause a large amount of power loss as a whole, and the energy waste is huge.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an air conditioner standby circuit and an air conditioner, which can further reduce standby power consumption and reduce energy waste.

According to one aspect of the present invention, an air conditioner standby circuit is provided, comprising an indoor unit circuit and an outdoor unit circuit, wherein a first power wiring, a second power wiring and a common wire are connected between the indoor unit circuit and the outdoor unit circuit, The indoor unit circuit includes an indoor control circuit, and the outdoor unit circuit includes an outdoor control circuit. One end of the outdoor control circuit is connected to the second power wiring, and the other end is connected to the common line. The first ends of the indoor control circuit are respectively connected to the first power wiring. On the wiring and the second power wiring, the second end is connected to the common line, the connection line connecting the indoor control circuit to the second power wiring is provided with an on-off switch, and the power line is connected to the first power of the outdoor unit circuit on the wiring.

Preferably, there are multiple indoor unit circuits, and after the multiple indoor unit circuits are connected in parallel, they are electrically connected to the outdoor unit circuit.

Preferably, a communication line is also connected between the outdoor unit circuit and the indoor unit circuit.

Preferably, the outdoor control circuit includes a first filter circuit and a first rectifier circuit.

Preferably, the second power wiring end of the outdoor control circuit is provided with a first fuse.

Preferably, the on-off switch is an electromagnetic relay.

Preferably, the indoor control circuit includes a second filter circuit and a second rectifier circuit.

Preferably, the first end of the indoor control circuit is provided with a second fuse, and the indoor control circuit is respectively connected to the first power wiring and the second power wiring through the second fuse.

Preferably, a plurality of communication line interfaces are provided on the outdoor unit circuit, and each communication line interface corresponds to a communication line interface of the indoor unit circuit.

According to another aspect of the present invention, an air conditioner is provided, comprising an air conditioner standby circuit, and the air conditioner standby circuit is the above-mentioned air conditioner standby circuit.

The standby circuit of the air conditioner of the present invention includes an indoor unit circuit and an outdoor unit circuit, the first power wiring, the second power wiring and the common wire are connected between the indoor unit circuit and the outdoor unit circuit, and the indoor unit circuit includes an indoor control circuit, The outdoor unit includes an outdoor control circuit, one end of the outdoor control circuit is connected to the second power wiring, the other end is connected to the common line, and the first end of the indoor control circuit is respectively connected to the first power wiring and the second power wiring The second end is connected to the common line, the connection line connecting the indoor control circuit to the second power wiring is provided with an on-off switch, and the power line is connected to the outdoor machine circuit. In the standby circuit of the air conditioner of the present invention, one more terminal block is added, and an auxiliary power distribution line is added, that is, the second power wiring. During wiring, the outdoor unit circuit is connected to the second power wiring, and the indoor unit circuit The indoor control circuit is connected to the first power wiring and optionally to the second power wiring, and when both the outdoor unit circuit and the indoor unit circuit are required to operate, the indoor control circuit of the indoor unit circuit can be connected to the second power wiring. At this time, the circuit of the indoor unit and the circuit of the outdoor unit are connected, and the air conditioner is in the working state. When the outdoor unit needs to be in standby, the circuit between the indoor control circuit and the second power wiring can be disconnected at this time, and the outdoor unit The circuit cannot be connected to the first power wiring through the second power wiring, the outdoor unit circuit is not powered, only the indoor unit circuit is on standby, so the power consumption when the indoor unit and the outdoor unit are in standby at the same time can be greatly reduced, saving a lot of energy , improve energy efficiency.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description serve to explain the principles of the invention.

1 is a schematic structural diagram of an air conditioner standby circuit according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an air conditioner standby circuit according to a second embodiment of the present invention.

Description of reference numerals: 1. Indoor unit circuit; 2. Outdoor unit circuit; 3. Indoor control circuit; 4. Outdoor control circuit; 5. Power cord; 6. On-off switch; 7. First filter circuit; a rectifier circuit; 9, a second filter circuit; 10, a second rectifier circuit; 11, a first fuse; 12, a second fuse.

Detailed ways

The following description and drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. The examples represent only possible variations. Unless expressly required, individual components and functions are optional and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the invention includes the full scope of the claims, along with all available equivalents of the claims. Various embodiments may be referred to herein by the term "invention," individually or collectively, for convenience only, and are not intended to automatically limit the scope of this application to any if more than one invention is in fact disclosed. A single invention or inventive concept. Herein, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation and do not require or imply any actual relationship between these entities or operations or order. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method or apparatus comprising a list of elements includes not only those elements, but also others not expressly listed elements, or also include elements inherent to such a process, method or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, or device that includes the element. The various embodiments herein are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and it is sufficient to refer to each other for the same and similar parts between the various embodiments. For the methods, products, etc. disclosed in the embodiments, since they correspond to the method parts disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

1, according to the first embodiment of the present invention, the standby circuit of the air conditioner includes an indoor unit circuit 1 and an outdoor unit circuit 2, and a first power wiring L, an outdoor unit circuit 2 are connected between the indoor unit circuit 1 and the outdoor unit circuit 2 The second power wiring L1 and the common line N, the indoor unit circuit 1 includes an indoor control circuit 3, and the outdoor unit circuit 2 includes an outdoor control circuit 4, one end of the outdoor control circuit 4 is connected to the second power wiring L1, and the other end is connected to On the common line N, the first end of the indoor control circuit 3 is connected to the first power wiring L and the second power wiring L1 respectively, the second end is connected to the common line N, and the indoor control circuit 3 is connected to the second power An on-off switch 6 is provided on the connection line of the wiring L1 , and the power supply line 5 is connected to the first power wiring L of the outdoor unit circuit 2 .

In the standby circuit of the air conditioner of the present invention, one more terminal block is added, and one auxiliary power distribution line is added according to the terminal block, that is, the second power distribution line L1. During wiring, the outdoor unit circuit 2 is connected to the second power distribution line. Line L1, the indoor control circuit 3 of the indoor unit circuit 1 is connected to the first power wiring L, and optionally to the second power wiring L1, when both the outdoor unit circuit 2 and the indoor unit circuit 1 are required to operate, it can be Connect the indoor control circuit 3 of the indoor unit circuit 1 with the second power wiring L1. At this time, both the indoor unit circuit 1 and the outdoor unit circuit 2 are connected, and the air conditioner is in the working state. When the outdoor unit needs to stand by, you can The circuit between the indoor control circuit 3 and the second power wiring L1 is disconnected, the outdoor control circuit 4 of the outdoor unit circuit 2 cannot communicate with the first power wiring L through the second power wiring L1, and the outdoor unit circuit 2 cannot communicate with the first power wiring L. The outdoor control circuit 4 is not powered on and is completely disconnected from the AC power. Only the indoor control circuit 3 of the indoor unit circuit 1 is on standby. Therefore, the power consumption when the indoor unit and the outdoor unit are on standby at the same time can be greatly reduced, saving a lot of energy and improving energy utilization. Rate.

Since the standby circuit only adds one terminal row to the terminal blocks of the outdoor unit circuit 2 and the indoor unit circuit 1, the power wiring connecting the two terminal positions, and the connection circuit between the indoor terminal position and the indoor control circuit 3 And the on-off switch arranged on the connection circuit, so it can be well compatible with the existing air conditioner, the modification structure is small, the modification cost is small, the compatibility is good, and the realization is easy.

Preferably, the on-off switch 6 is an electromagnetic relay, which can realize on-off control of the on-off switch 6 through the weak circuit, which can improve the safety of circuit control.

Preferably, a communication line C is further connected between the outdoor unit circuit 2 and the indoor unit circuit 1 . The communication line C is used to realize signal transmission, which can easily realize the communication between the indoor unit and the outdoor unit, so as to carry out the communication control of the indoor and outdoor units.

The outdoor control circuit 4 includes a first filter circuit 7 and a first rectifier circuit 8 .

A first fuse 11 is provided at the second power wiring L1 end of the outdoor control circuit 4, and the first fuse 11 can form protection for each electronic component in the outdoor control circuit 4 to prevent excessive voltage or current from causing damage to the Damage to electronic components on outdoor control circuit 4.

The indoor control circuit 3 includes a second filter circuit 9 and a second rectifier circuit 10 .

The first end of the indoor control circuit 3 is provided with a second fuse 12 , and the indoor control circuit 3 is respectively connected to the first power wiring L and the second power wiring L1 through the second fuse 12 . The second fuse 12 can form protection for each electronic component in the indoor control circuit 3 to prevent the electronic components on the indoor control circuit 3 from being damaged due to excessive voltage or current.

The power line 5 is connected to the outdoor terminal block L/N/ground terminal. The outdoor terminal L is connected to the indoor terminal L through the connecting line. After power-on, the indoor control circuit can work normally, and the MCU micro-control unit can work normally. After the remote control signal, the MCU sends an instruction to control the relay K1 to close, so that the terminal L1 of the indoor unit circuit 1 is connected to the terminal L1 of the outdoor unit circuit 2 through the connecting line, and the live wire of the outdoor control circuit 4 is charged, and then the outdoor control circuit 4 is connected to the terminal L1. Electricity. When the remote control is turned off, the indoor MCU control relay K1 is disconnected, the terminal L1 of the indoor unit circuit 1 is disconnected from the power line, and correspondingly, the terminal L1 of the outdoor unit circuit 2 is also disconnected from the power line. The outdoor control circuit 4 is powered off. At this time, only the indoor control circuit 3 of the indoor unit circuit 1 is in a standby state, and the outdoor control circuit 4 does not consume power.

Referring to FIG. 2 , according to the second embodiment of the present invention, it is basically the same as the first embodiment, except that in this embodiment, there are multiple indoor unit circuits 1 , and multiple indoor unit circuits 1 After parallel connection, it is electrically connected to the outdoor unit circuit 2 to form a one-to-many air conditioner. The one-drive-multiple air conditioner is the same as the one-drive-one air conditioner in the first embodiment, in that the relays K1 and K2 are disconnected during standby, and the outdoor unit control circuit 4 is not powered. The outdoor unit circuit 2 will be powered on to realize the normal operation of the indoor unit.

When receiving the indoor shutdown signal, only the indoor unit circuit 1 receiving the shutdown signal will perform the shutdown operation, and the outdoor unit circuit 2 and other indoor unit circuits 1 still work normally, ensuring the flexible control and stable operation of the air conditioner. Only when all the indoor units are turned off will the power supply of the outdoor control circuit 4 of the outdoor unit circuit 1 be disconnected.

Compared with the original air conditioner motor circuit, the air conditioner standby circuit realized by the air conditioner standby circuit of the present invention saves energy by more than 80%, greatly reduces the power consumption, and is conducive to realizing energy saving and environmental protection.

Preferably, the outdoor unit circuit 2 is provided with a plurality of communication line interfaces, and each communication line interface corresponds to a communication line interface of the indoor unit circuit 1 . Through one-to-one communication docking, it is possible to avoid signal confusion when the outdoor unit circuit 2 communicates with the indoor unit circuit 1, and to ensure the accuracy of signal transmission and the clarity of the signal. For example, in the one-to-two model of this embodiment, two communication line interfaces C1 and C2 are set on the outdoor unit circuit, one communication line interface C1 is set on the first indoor unit circuit 1, and one communication line interface C1 is set on the second indoor unit circuit 1. The circuit 2 is provided with a communication line interface C2, wherein the two interfaces C1 are connected correspondingly through a connecting line, and the two C2s are correspondingly connected through a connecting line.

According to an embodiment of the present invention, the air conditioner includes an air conditioner standby circuit, and the air conditioner standby circuit is the above-mentioned air conditioner standby circuit.

It should be understood that the present invention is not limited to the processes and structures that have been described above and shown in the accompanying drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (10)

1. a kind of air-conditioner standby circuit, which is characterized in that including indoor unit circuit (1) and outdoor unit circuit (2), the indoor unit The first power wiring, the second power wiring and bridging line, the room are connected between circuit (1) and the outdoor unit circuit (2) Interior electromechanics road (1) includes indoor control circuit (3), and the outdoor unit circuit (2) includes outdoor control circuit (4), the outdoor Control circuit (4) one end is connected on second power wiring, and the other end is connected on the bridging line, the interior control The first end of circuit (3) is connected on first power wiring and second power wiring, and second end is connected to institute It states on bridging line, the interior control circuit (3), which is connected to, to be provided with on-off in the connection line of second power wiring and open It closes (6), power supply line (5) connects on the first power wiring of the outdoor unit circuit (2).

2. air-conditioner standby circuit according to claim 1, which is characterized in that the indoor unit circuit (1) be it is multiple, it is multiple After the indoor unit circuit (1) is in parallel, it is electrically connected to the outdoor unit circuit (2).

3. air-conditioner standby circuit according to claim 1, which is characterized in that the outdoor unit circuit (2) and the interior Communication line is also connected between electromechanical road (1).

4. air-conditioner standby circuit according to claim 1, which is characterized in that the outdoor control circuit (4) includes first Filter circuit (7) and the first rectification circuit (8).

5. air-conditioner standby circuit according to claim 4, which is characterized in that the second electricity of the outdoor control circuit (4) Power is provided with first fuse (11) with line end.

6. air-conditioner standby circuit according to claim 1, which is characterized in that the on-off switch (6) is electromagnetic relay.

7. air-conditioner standby circuit according to claim 1, which is characterized in that the interior control circuit (3) includes second Filter circuit (9) and the second rectification circuit (10).

8. air-conditioner standby circuit according to claim 7, which is characterized in that the first end of the interior control circuit (3) It is provided with second fuse (12), the interior control circuit (3) is by the second fuse (12) respectively with described first Power wiring is connected with second power wiring.

9. air-conditioner standby circuit according to claim 2, which is characterized in that be provided on the outdoor unit circuit (2) more A communication line interface, the communication line interface of each corresponding indoor unit circuit (1) of communication line interface.

10. a kind of air conditioner, including air-conditioner standby circuit, which is characterized in that the air-conditioner standby circuit is claim 1 to 9 Any one of described in air-conditioner standby circuit.