CN113685999A - Outdoor unit control device and air conditioner - Google Patents
Outdoor unit control device and air conditioner Download PDFInfo
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- CN113685999A CN113685999A CN202010422585.1A CN202010422585A CN113685999A CN 113685999 A CN113685999 A CN 113685999A CN 202010422585 A CN202010422585 A CN 202010422585A CN 113685999 A CN113685999 A CN 113685999A
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- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 230000005669 field effect Effects 0.000 claims description 4
- 101150090280 MOS1 gene Proteins 0.000 claims description 3
- 101100401568 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) MIC10 gene Proteins 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 102100028680 Protein patched homolog 1 Human genes 0.000 description 1
- 101710161390 Protein patched homolog 1 Proteins 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an outdoor unit control device and an air conditioner. The device comprises: the control module is used for controlling the connection or disconnection of a power supply of an outdoor unit through the indoor unit, is connected with the outdoor unit communication circuit, and is connected with the outdoor unit and the outdoor unit communication circuit at the same time of connecting the outdoor unit; and the voltage detection module is used for detecting the voltage introduced into the outdoor unit communication circuit and adjusting the impedance in the outdoor unit communication circuit according to the voltage. The outdoor unit can be awakened and standby, the voltage introduced into the outdoor unit communication circuit is detected, and the communication circuit is protected.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an outdoor unit control device and an air conditioner.
Background
The current outdoor unit awakening power supply used by the standby of the air conditioner outdoor unit utilizes a communication circuit to directly lead alternating current to the outdoor unit from an indoor unit. Therefore, the components used in the communication circuit are subjected to large electrical stress, and measures such as increasing power, increasing electrical safety distance, improving redundancy and the like have to be adopted to ensure reliability. Firstly, the communication circuit has a complex structure and is easy to have the problems of wrong circuit connection and mixing; secondly, the voltage resistance/power specification of components used in the communication circuit needs to be synchronously improved, so that the cost is increased; and thirdly, as the electrical safety requirement is also improved, the board distribution difficulty and the potential safety hazard are increased.
Disclosure of Invention
The present invention is directed to an outdoor unit control device and an air conditioner, which are used to at least partially solve the above technical problems.
In order to solve the above problems, an aspect of the present invention provides an outdoor unit control apparatus, including: the control module is used for controlling the connection or disconnection of a power supply of an outdoor unit through the indoor unit, is connected with the outdoor unit communication circuit, and is connected with the outdoor unit and the outdoor unit communication circuit at the same time of connecting the outdoor unit; and the voltage detection module is used for detecting the voltage introduced into the outdoor unit communication circuit and adjusting the impedance in the outdoor unit communication circuit according to the voltage.
Therefore, the outdoor unit is awakened and standby by the control module, the outdoor unit communication circuit is communicated while the outdoor unit is awakened, the outdoor unit communication circuit is not transformed, the complexity of the communication circuit structure is reduced, the problem that the circuit is damaged due to wrong circuit overlapping and mixing is easy to occur, and the difficulty in distributing the circuit is avoided. And, detect the voltage that lets in the outdoor unit communication circuit, change the impedance of the outdoor unit communication circuit according to this voltage, thus protect the communication circuit.
Optionally, the voltage detection module includes: the resistance value of the second resistance unit is larger than that of the first resistance unit; and the detection control circuit is internally provided with a switch, when the voltage led into the outdoor unit communication circuit is smaller than a preset threshold value, the switch is switched on, the outdoor unit communication circuit is connected with the first resistance unit, when the voltage led into the outdoor unit communication circuit is larger than or equal to the preset threshold value, the switch is switched off, and the outdoor unit communication circuit is connected with the second resistance unit.
Therefore, the resistance value of the outdoor unit communication circuit is changed through setting control of the switch, and the outdoor unit communication circuit is easy to realize and low in cost.
Optionally, the detection control circuit includes a voltage-dividing and stabilizing circuit and a first control unit, the voltage-dividing and stabilizing circuit performs voltage-stabilizing and voltage-dividing on the voltage introduced into the outdoor unit communication circuit, and the first control unit turns on or off the switch according to the voltage-stabilizing and voltage-divided.
Therefore, the voltage introduced into the outdoor unit communication circuit is stabilized and divided, the outdoor unit communication circuit is prevented from being impacted by large voltage, and the safety is improved.
Optionally, the voltage dividing and stabilizing circuit includes a voltage regulator DZ1 connected in parallel with the outdoor unit communication circuit, and a first voltage dividing resistor R5 and a second voltage dividing resistor R6 connected in series and then connected in parallel with the voltage regulator DZ 1; the two ends of the second voltage-dividing resistor R6 are connected with a first control unit, and the first control unit switches on or off the switch according to the voltage of the two ends of the resistor R6.
Therefore, the magnitude of the input voltage is judged through the voltage dividing resistor, and the method is easy to realize and low in cost.
Optionally, the first control unit is a three-terminal regulator IC1, a comparator or a triode, two ends of the first control unit are connected with two ends of the resistor R6, the other end of the first control unit is connected with the switch, and the first control unit controls the on-off of the switch according to the voltage at two ends of the resistor R6 and the preset voltage division threshold.
Optionally, the second resistor unit includes a first adjusting resistor R2 and a second adjusting resistor R3 connected in series, the switch is connected in parallel across the second adjusting resistor R3, and the first resistor unit includes a first adjusting resistor R2.
Therefore, through the connection relation between the switch and the two adjusting resistors, the change of the resistance value of the outdoor unit communication circuit can be realized more simply by utilizing the short circuit at the position of the second adjusting resistor R3 caused by the connection of the switch, and the circuit is simple, easy to realize and cost-saving.
Optionally, the switch is a field effect transistor MOS1, a transistor, or a relay.
Therefore, the switch is controlled by a pure hardware circuit, and the method is more accurate and fast.
Optionally, the control module comprises: the first connecting switch is arranged on the indoor unit, and the second connecting switch is arranged on the outdoor unit; one end of the first connecting switch is connected with a live wire of the alternating current input end, and the other end of the first connecting switch is connected with the second connecting switch and the outdoor unit communication circuit.
Therefore, the outdoor unit is easy to wake up and stand by switching on and off the two switches, and the outdoor unit communication circuit is not needed to wake up, so that the circuit is simplified, and the cost is reduced.
Optionally, the control module comprises: the outdoor unit communication circuit is connected with the indoor unit communication circuit, and the first connecting terminal JMP1 and the second connecting terminal JMP2 which connect the indoor unit communication circuit with the outdoor unit are connected with the power supply of the outdoor unit through connecting the indoor unit communication circuit, wherein the outdoor unit communication circuit is connected with the indoor unit communication circuit, and the outdoor unit communication circuit is connected while the outdoor unit is connected.
Thus, low power consumption application under the condition of power supply of the indoor unit can be realized.
Another aspect of the present invention provides an air conditioner, including the outdoor unit control apparatus described above.
The advantages of the air conditioner are the same as those of the outdoor unit control device, and are not described herein again.
Drawings
Fig. 1 is a schematic circuit diagram of an outdoor unit control device according to a first embodiment of the present invention;
fig. 2 is a block diagram schematically illustrating an outdoor unit control apparatus according to a second embodiment of the present invention;
fig. 3 is a block diagram schematically illustrating an outdoor unit control apparatus according to a third embodiment of the present invention, in which a plurality of indoor units are used.
Description of the drawings:
the system comprises a control module 1, an outdoor unit 2, a voltage detection module 3, a first resistor unit 31a, a second resistor unit 31b, a detection control circuit 32, a switch 32a, a voltage division and stabilization circuit 32b, a first control unit 32c and an indoor unit 4.
Detailed Description
In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The embodiment of the invention provides an outdoor unit control device.
Fig. 1 schematically shows a circuit schematic diagram of an outdoor unit control device provided by an embodiment of the invention.
Referring to fig. 1, in this embodiment, taking an air conditioner including an outdoor unit and an indoor unit as an example, the apparatus includes: the control module 1 is used for controlling the connection or disconnection of a power supply of an outdoor unit through an indoor unit, the control module 1 is connected with an outdoor unit communication circuit 2, and the outdoor unit is connected and the outdoor unit communication circuit 2 is connected at the same time; and the voltage detection module 3 is used for detecting the voltage introduced into the outdoor unit communication circuit 2 and adjusting the impedance in the outdoor unit communication circuit 2 according to the voltage.
In a feasible manner of this embodiment, the control module 1 includes: a first connecting switch K1R provided on the indoor unit and a second connecting switch K2R provided on the outdoor unit; one end of the first connecting switch K1R is connected to the live wire of the ac input terminal, and the other end is connected to the second connecting switch K2R and the outdoor unit communication circuit 2. Specifically, the first connecting switch K1R is controlled by an indoor unit controller, the second connecting switch K2R is controlled by an outdoor unit controller, and when the indoor unit is powered on, the indoor unit controller controls the first connecting switch K1R to be disconnected and not connected or the outdoor unit controller controls the second connecting switch K2R to be disconnected, the outdoor unit is not powered on because the outdoor unit is not connected to the live wire AC-L at the alternating current input end. After the indoor unit is powered on, the indoor unit controller controls the first connecting switch K1R to connect the live wire AC-L at the alternating current input end with the outdoor unit through the diode D2, the diode D3, the thermistor PTC1 and the second connecting switch K2R, so that the outdoor unit is awakened. The outdoor unit communication circuit 2 is also connected to the AC-L through the diode D2 and the diode D4 while waking up the outdoor unit.
The first connecting switch K1R and the second connecting switch K2R may be relays or high power triodes, thyristors, Insulated Gate Bipolar Transistors (IGBTs), metal-oxide-semiconductor field effect transistors (MOS transistors), and the like.
In a feasible manner of this embodiment, the voltage detection module 3 includes: a first resistance unit 31a and a second resistance unit 31b, a resistance value of the second resistance unit 31b being greater than a resistance value of the first resistance unit 31 a; and the detection control circuit 32 is provided with a switch 32a, when the voltage led into the outdoor unit communication circuit 2 is smaller than a preset threshold value, the switch 32a is switched on, the outdoor unit communication circuit 2 is connected with the first resistance unit 31a, when the voltage led into the outdoor unit communication circuit 2 is larger than or equal to the preset threshold value, the switch 32a is switched off, and the outdoor unit communication circuit 2 is connected with the second resistance unit 31 b.
Specifically, the detection control circuit 32 includes a voltage dividing and stabilizing circuit 32b and a first control unit 32c, the voltage dividing and stabilizing circuit 32b performs voltage stabilization and voltage division on the voltage passed through the outdoor unit communication circuit 2, and the first control unit 32c turns on or off the switch 32a according to the stabilized voltage and the divided voltage. The voltage dividing and stabilizing circuit 32b comprises a voltage regulator tube DZ1 connected in parallel with the outdoor unit communication circuit 2, and a first voltage dividing resistor R5 and a second voltage dividing resistor R6 connected in series and then connected in parallel with the voltage regulator tube DZ 1; the voltage borne by the series circuit of the first voltage-dividing resistor R5 and the second voltage-dividing resistor R6 is the same as the voltage of the voltage regulator DZ1, two ends of the second voltage-dividing resistor R6 are connected with the first control unit 32c, and the first control unit 32c turns on or off the switch 32a according to the voltage at two ends of the resistor R6.
The first control unit 32c is a three-terminal regulator IC1, a comparator or a triode, two ends of the first control unit are connected with two ends of a resistor R6, the other end of the first control unit is connected with the switch 32a, and the first control unit 32c controls the on-off of the switch 32a according to the voltage at two ends of the resistor R6 and the preset voltage division threshold value. The second resistor unit 31b includes a first adjusting resistor R2 and a second adjusting resistor R3 connected in series, the switch 32a is connected in parallel across the second adjusting resistor R3, and the first resistor unit 31a is a first adjusting resistor R2. When the switch 32a is turned off, the outdoor unit communication circuit 2 is connected to the second resistance unit 31b, and when the switch 32a is turned on, the outdoor unit communication circuit 2 is connected to the first resistance unit 31 a. By adjusting the parameters of the voltage regulator tube DZ1, the first voltage divider resistor R5, and the second voltage divider resistor R6, the impedance matching relationship connected to the outdoor unit communication circuit 2 can be flexibly controlled. For example, under a rated condition, the communication voltage of the outdoor unit communication circuit 2 is 54V, the DZ1 regulator is set to 72V (or other regulated voltage value greater than 54V), when the voltage connected to the outdoor unit communication circuit 2 is 220V, the comparison circuit determines that the divided voltage of the second voltage dividing resistor R6 is greater than a preset divided voltage threshold (e.g., 2.5V), at this time, the switch 32a will not be turned on, and the resistance value of the outdoor unit communication circuit 2 will be R2+ R3; when the voltage connected to the outdoor unit communication circuit 2 is 54V, the comparison circuit determines that the divided voltage of the second voltage dividing resistor R6 is smaller than a preset divided voltage threshold (e.g., 2.5V), at this time, the switch 32a is turned on, and the resistance value of the outdoor unit communication circuit 2 is R2. The resistance of the outdoor unit communication circuit 2 is adjusted by introducing the R3 resistance into the outdoor unit communication circuit 2, so that the divided voltage of the R2 is greatly reduced, the current in the outdoor unit communication circuit 2 is greatly reduced, and the outdoor unit communication circuit 2 is protected.
The first control unit 32c is a three-terminal regulator IC1, a comparator or a transistor. In this embodiment, a three-terminal regulator IC1 is taken as an example, two ends of the three-terminal regulator IC1 are connected to the second voltage-dividing resistor R6, and the other end of the three-terminal regulator IC is connected to the switch 32a, when the voltage across the second voltage-dividing resistor R6 is smaller than a preset threshold of the three-terminal regulator IC1, the three-terminal regulator IC1 is in a connected state, the switch 32a is connected, so that the second adjusting resistor R3 connected in parallel with the switch 32a is short-circuited, and the resistance value of the outdoor unit communication circuit 2 is R2. When the voltage across the second voltage-dividing resistor R6 is greater than the preset threshold of the three-terminal regulator IC1, the three-terminal regulator IC1 is broken down, the three-terminal regulator IC1 is not turned on, so that the switch 32a is also in a disconnected state, and the resistance value of the outdoor unit communication circuit 2 is R2+ R3.
The switch 32a may be a field effect transistor MOS1, a transistor, or a relay as described above. This embodiment is not particularly limited thereto.
Example two
The embodiment provides an outdoor unit control device. The difference between the present embodiment and the first embodiment is that the control module 1 in the present embodiment includes: the first connection terminal JMP1 and the second connection terminal JMP2 which connect the indoor unit communication circuit 4 with the outdoor unit are connected with the power supply of the outdoor unit by connecting the indoor unit communication circuit 4, wherein the indoor unit communication circuit 4 is connected with the outdoor unit communication circuit 2, and the outdoor unit communication circuit 2 is connected while the outdoor unit is connected.
Referring to fig. 2, in this embodiment, connection plugs or terminals JMP1 and JMP2 may be provided. The connection terminals JMP1 and JMP2 are both directly connected to the outside line OUTDR, which is connected to the indoor unit communication circuit 4, and the second connection terminal JMP2 is connected to the outdoor unit.
The embodiment can realize that the outdoor unit can be powered while the indoor unit is powered on, and low power consumption application under the condition of power supply of the indoor unit is realized.
EXAMPLE III
Referring to fig. 3, the present embodiment provides an outdoor unit control apparatus. The difference between this embodiment and the first embodiment is that at least two indoor units are connected to the outdoor unit in this embodiment.
For example, the control module 1 may be configured to provide a first switch K1R and a third switch K1R-1 on the indoor unit a and the indoor unit B, respectively, where the first switch K1R and the third switch K1R-1 are both connected to a second switch K2R of the outdoor unit, and when the indoor unit a is used, the outdoor unit may be woken up by the first switch K1R in the indoor unit a, and when the indoor unit B is used, the outdoor unit may be woken up by the third switch K1R-1 in the indoor unit B. The use of one-driving-multiple machine type of the air conditioner is satisfied.
Example four
The embodiment provides an air conditioner, and the air conditioner comprises the outdoor unit control device.
The air conditioner has the same technical characteristics as the outdoor unit control device in the above embodiment, and has the same advantages as the outdoor unit control device in the above embodiment, and the details are not repeated here.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An outdoor unit control device, characterized in that the device comprises:
the control module (1) is used for controlling the connection or disconnection of a power supply of an outdoor unit through the indoor unit, the control module (1) is connected with the outdoor unit communication circuit (2), and the outdoor unit communication circuit (2) is connected while the outdoor unit is connected;
and the voltage detection module (3) is used for detecting the voltage introduced into the outdoor unit communication circuit (2) and adjusting the impedance in the outdoor unit communication circuit (2) according to the voltage.
2. The device according to claim 1, characterized in that said voltage detection module (3) comprises:
a first resistance unit (31a) and a second resistance unit (31b) the resistance value of the second resistance unit (31b) is larger than the resistance value of the first resistance unit (31 a); and the number of the first and second groups,
the detection control circuit (32) is internally provided with a switch (32a), when the voltage led into the outdoor unit communication circuit (2) is smaller than a preset threshold value, the switch (32a) is switched on, the outdoor unit communication circuit (2) is connected with the first resistance unit (31a), when the voltage led into the outdoor unit communication circuit (2) is larger than or equal to the preset threshold value, the switch (32a) is switched off, and the outdoor unit communication circuit (2) is connected with the second resistance unit (31 b).
3. The apparatus of claim 2, wherein the detection control circuit (32) comprises a voltage dividing and stabilizing circuit (32b) and a first control unit (32c), the voltage dividing and stabilizing circuit (32b) regulates and divides the voltage applied to the outdoor unit communication circuit (2), and the first control unit (32c) turns on or off the switch (32a) according to the regulated and divided voltage.
4. The device of claim 3, wherein the voltage dividing and stabilizing circuit (32b) comprises a voltage regulator tube DZ1 connected in parallel with the outdoor unit communication circuit (2), and a first voltage dividing resistor R5 and a second voltage dividing resistor R6 connected in series and connected in parallel with the voltage regulator tube DZ 1; both ends of the second voltage-dividing resistor R6 are connected to a first control unit 32c, and the first control unit 32c turns on or off the switch 32a according to the voltage across the resistor R6.
5. The device according to claim 4, wherein the first control unit (32c) is a three-terminal regulator IC1, a comparator or a triode, two ends of the three-terminal regulator IC1 are connected with two ends of a resistor R6, the other end of the three-terminal regulator IC1 is connected with the switch (32a), and the first control unit (32c) controls the on-off of the switch (32a) according to the voltage of two ends of the resistor R6 and the size of a preset voltage division threshold value.
6. The apparatus of claim 5, wherein the second resistor unit (31b) comprises a first adjusting resistor R2 and a second adjusting resistor R3 connected in series, the switch (32a) is connected in parallel across the second adjusting resistor R3, and the first resistor unit (31a) comprises a first adjusting resistor R2.
7. The device according to any of claims 2-6, wherein the switch (32a) is a field effect transistor MOS1, a transistor, or a relay.
8. The device according to claim 2, characterized in that the control module (1) comprises: a first connecting switch K1R provided on the indoor unit and a second connecting switch K2R provided on the outdoor unit; one end of the first connecting switch K1R is connected to the live wire of the ac input terminal, and the other end is connected to the second connecting switch K2R and the outdoor unit communication circuit (2).
9. The device according to claim 2, characterized in that the control module (1) comprises: the outdoor unit power supply is connected by connecting an indoor unit communication circuit (4) with a first connecting terminal JMP1 and a second connecting terminal JMP2 which connect the indoor unit communication circuit (4) with the outdoor unit, wherein the indoor unit communication circuit (4) is connected with an outdoor unit communication circuit (2), and the outdoor unit communication circuit (2) is connected while the outdoor unit is connected.
10. An air conditioner characterized by comprising the outdoor unit control apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010422585.1A CN113685999B (en) | 2020-05-18 | 2020-05-18 | Outdoor unit control device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010422585.1A CN113685999B (en) | 2020-05-18 | 2020-05-18 | Outdoor unit control device and air conditioner |
Publications (2)
| Publication Number | Publication Date |
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| CN113685999A true CN113685999A (en) | 2021-11-23 |
| CN113685999B CN113685999B (en) | 2025-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010422585.1A Active CN113685999B (en) | 2020-05-18 | 2020-05-18 | Outdoor unit control device and air conditioner |
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| CN (1) | CN113685999B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704917A (en) * | 2022-04-25 | 2022-07-05 | 珠海格力电器股份有限公司 | Zero-live line communication circuit, communication system and air conditioning system |
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| CN109764503A (en) * | 2019-01-15 | 2019-05-17 | 海信（广东）空调有限公司 | Outdoor power supply control circuit of air conditioner and air conditioner |
| CN212132821U (en) * | 2020-05-18 | 2020-12-11 | 宁波奥克斯电气股份有限公司 | An outdoor unit control device and an air conditioner |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012107779A (en) * | 2010-11-15 | 2012-06-07 | Mitsubishi Electric Corp | Air conditioner |
| CN202383451U (en) * | 2011-12-19 | 2012-08-15 | 珠海格力电器股份有限公司 | Air conditioner and control circuit thereof |
| CN204389925U (en) * | 2015-01-08 | 2015-06-10 | 青岛海尔空调器有限总公司 | A kind of air conditioner and low standby power loss circuit thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704917A (en) * | 2022-04-25 | 2022-07-05 | 珠海格力电器股份有限公司 | Zero-live line communication circuit, communication system and air conditioning system |
| CN114704917B (en) * | 2022-04-25 | 2025-06-27 | 珠海格力电器股份有限公司 | A zero-live communication circuit, communication system and air conditioning system |
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| Publication number | Publication date |
|---|---|
| CN113685999B (en) | 2025-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 315191 No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Applicant after: NINGBO AUX ELECTRIC Co.,Ltd. Applicant after: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. Address before: No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Applicant before: NINGBO AUX ELECTRIC Co.,Ltd. Country or region before: China Applicant before: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. |
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| GR01 | Patent grant |