CN115560429A - Protection control method for air conditioner external unit, air conditioner external unit and computer storage medium - Google Patents
Protection control method for air conditioner external unit, air conditioner external unit and computer storage medium Download PDFInfo
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- CN115560429A CN115560429A CN202211161734.9A CN202211161734A CN115560429A CN 115560429 A CN115560429 A CN 115560429A CN 202211161734 A CN202211161734 A CN 202211161734A CN 115560429 A CN115560429 A CN 115560429A
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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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
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Combustion & Propulsion (AREA)
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- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a protection control method of an air conditioner external unit, wherein an exhaust temperature controller, a high-pressure switch and a low-pressure switch of the air conditioner external unit are connected in series and share one external port, and the method comprises the following steps: detecting and acquiring the current value of a current protection port of the air conditioner external unit; detecting whether the state of an external port of an air conditioner external unit, in which an exhaust temperature controller, a high-pressure switch and a low-pressure switch are connected in series, is a disconnected state, and when the state of the external port is the disconnected state, any one of the exhaust temperature controller, the high-pressure switch and the low-pressure switch is in the disconnected state; and if so, identifying the current working state of the air conditioner external unit according to the current value. The invention also discloses an air conditioner external unit and a computer storage medium, which can reduce the cost of the air conditioner external unit and conveniently identify the current protection mode of the air conditioner external unit.
Description
The application is a divisional application with the application number of 201810641203.7, and the application date of a mother case is as follows: year 2018, month 06, day 20; the invention of the mother case is named as: a protection control method for an air conditioner external unit, the air conditioner external unit and a computer storage medium are provided.
Technical Field
The invention relates to the technical field of household air conditioners, in particular to a protection control method of an air conditioner external unit, the air conditioner external unit and a computer storage medium.
Background
Various air conditioners of different brands are available in the market, and the air conditioners leaving the market are expected to have a place in the market, and besides the quality, the price also plays a relatively critical role, because consumers tend to buy products with low price and high quality. Therefore, it is very important for manufacturers to control the factory cost of the air conditioner.
At present, an external port is arranged for exhaust protection and high-voltage protection on a mainboard of an air conditioner external unit, and an external port is respectively arranged for low-voltage protection and current protection, so that the space of the mainboard of the air conditioner external unit is large, the required cost is increased, the corresponding circuit board is complex in design, and the production efficiency is low. In addition, the current protection mode of the air conditioner outdoor unit is high-voltage protection or low-voltage protection according to information fed back by each port received by the main board, and the identification method is complicated.
Disclosure of Invention
The invention mainly aims to provide a protection control method of an air conditioner external unit, the air conditioner external unit and a computer storage medium, and aims to solve the technical problems that a main board of the traditional air conditioner external unit is large in space and high in cost, and the current protection mode of the air conditioner external unit is complex to recognize through information fed back by each port received by the main board.
In order to achieve the above object, the present invention provides a protection control method for an air conditioner outdoor unit, in which an exhaust temperature controller, a high-pressure switch and a low-pressure switch of the air conditioner outdoor unit are connected in series and share an external port, the protection control method for the air conditioner outdoor unit includes the steps of:
detecting and acquiring the current value of a current protection port of the air conditioner outdoor unit;
detecting whether the state of an external port of an air conditioner external unit, in which an exhaust temperature controller, a high-pressure switch and a low-pressure switch are connected in series, is a disconnected state, and when the state of the external port is the disconnected state, any one of the exhaust temperature controller, the high-pressure switch and the low-pressure switch is in the disconnected state;
if so, identifying the current working state of the air conditioner external unit according to the current value.
Preferably, the step of identifying the current operating state of the air conditioner external unit according to the current value includes:
and when the external port is in a disconnected state and the current value is smaller than a first preset threshold value, determining that the current working state of the air conditioner external unit is a low-voltage protection state.
Preferably, the identifying the current working state of the air conditioner external unit according to the current value further includes:
and when the external port is in a disconnected state and the current value is greater than a second preset threshold value, determining that the current working state of the air conditioner external unit is a high-voltage protection state, wherein the second preset threshold value is greater than the first preset threshold value.
Preferably, the method further comprises:
and when the external port is detected to be in a connection state, if the current value is greater than or equal to a first preset threshold and less than or equal to a second preset threshold, determining that the current working state of the air conditioner external unit is a normal working state.
Preferably, the first preset threshold is smaller than a current value when the air conditioner external unit normally operates.
Preferably, the second preset threshold is greater than a current value of the air conditioner external unit during normal operation.
In addition, in order to achieve the above object, the present invention further provides an external unit of an air conditioner, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the computer program, when executed by the processor, implements the steps of the protection control method of the external unit of an air conditioner as described above.
In addition, to achieve the above object, the present invention further provides a computer storage medium having a protection control program for an external air conditioner stored thereon, wherein the protection control program for the external air conditioner, when executed by the processor, implements the steps of the protection control method for the external air conditioner as described above.
According to the protection control method of the air conditioner outdoor unit, the air conditioner outdoor unit and the computer storage medium, whether the state of an external port of the air conditioner outdoor unit, which is formed by connecting an exhaust temperature controller, a high-pressure switch and a low-pressure switch of the air conditioner outdoor unit in series, is in a disconnected state or not is detected by detecting and obtaining the current value of a current protection port of the air conditioner outdoor unit, and then the current working state of the air conditioner outdoor unit is identified according to the current value, wherein when the state of the external port is in the disconnected state, any one of the exhaust temperature controller, the high-pressure switch and the low-pressure switch is in the disconnected state. The current working state of the air conditioner external unit can be identified based on the current values of an external port and a current protection port, the setting of the external port is reduced, the cost of the air conditioner external unit is reduced, and the current protection mode of the air conditioner external unit is conveniently identified.
Drawings
Fig. 1 is a schematic terminal structure diagram of a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a schematic flowchart illustrating a protection control method for an external unit of an air conditioner according to a first embodiment of the present invention;
fig. 3 is a schematic view of an external port of an air conditioner external unit;
fig. 4 is a schematic flowchart illustrating a protection control method for an external unit of an air conditioner according to a second embodiment of the present invention;
fig. 5 is a flowchart illustrating a protection control method for an external unit of an air conditioner according to a third embodiment of the present invention;
fig. 6 is a flowchart illustrating a method for protecting and controlling an external unit of an air conditioner according to a fourth embodiment of the present invention.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the embodiment of the invention is as follows:
detecting and acquiring the current value of a current protection port of the air conditioner outdoor unit;
judging the state of an external port of the air conditioner external unit, wherein the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner external unit are connected in series;
and identifying the current working state of the air conditioner external unit according to the current value and the state of the external port.
Because in the prior art, an external port is arranged on the exhaust protection and the high-voltage protection of the main board of the air conditioner external unit, and the external port is respectively arranged on the low-voltage protection and the current protection of the main board of the air conditioner external unit, the space of the main board of the air conditioner external unit is large, the required cost is increased, and the corresponding circuit board is complex in design, so that the production efficiency is low. In addition, the current protection mode of the air conditioner outdoor unit is high-voltage protection or low-voltage protection according to information fed back by each port received by the main board, and the identification method is complicated.
The invention provides a solution, which judges the state of an external port of an air conditioner external unit, in which an exhaust temperature controller, a high-pressure switch and a low-pressure switch are connected in series, by detecting and acquiring the current value of a current protection port of the air conditioner external unit, and then identifies the current working state of the air conditioner external unit according to the current value and the state of the external port. The cost of the air conditioner external unit is reduced, and the current protection mode of the air conditioner external unit is conveniently identified.
As shown in fig. 1, fig. 1 is a schematic terminal structure diagram of a hardware operating environment according to an embodiment of the present invention.
The terminal of the embodiment of the invention is an air conditioner outdoor unit.
As shown in fig. 1, the terminal may include: a processor 1001, such as a CPU, a compressor 1004, a four-way valve 1003, a memory 1005, a condenser 1002, and an evaporator 1006. The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the terminal structure shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include a network communication module and a protection control program of an air conditioner external unit.
In the terminal shown in fig. 1, the processor 1001 may be configured to call a protection control program of an outdoor unit of an air conditioner stored in the memory 1005, and perform the following operations:
detecting and acquiring the current value of a current protection port of the air conditioner external unit;
judging the state of an external port of the air conditioner external unit, wherein the external port is formed by connecting an exhaust temperature controller, a high-pressure switch and a low-pressure switch of the air conditioner external unit in series;
and identifying the current working state of the air conditioner external unit according to the current value and the state of the external port.
Further, the processor 1001 may call a protection control program of the outdoor unit of the air conditioner stored in the memory 1005, and further perform the following operations:
and when the current value is smaller than a first preset threshold value and the external port is in a disconnected state, judging that the current working state of the air conditioner external unit is a low-voltage protection state.
Further, the processor 1001 may call a protection control program of the outdoor unit of the air conditioner stored in the memory 1005, and further perform the following operations:
and when the current value is greater than a second preset threshold value and the external port is in a disconnected state, determining that the current working state of the air conditioner external unit is a high-voltage protection state, wherein the second preset threshold value is greater than the first preset threshold value.
Further, the processor 1001 may call a protection control program of the outdoor unit of the air conditioner stored in the memory 1005, and further perform the following operations:
and when the current value is greater than or equal to a first preset threshold and less than or equal to a second preset threshold, judging that the current working state of the air conditioner external unit is a normal working state.
Further, the processor 1001 may call a protection control program of the outdoor unit of the air conditioner stored in the memory 1005, and further perform the following operations:
when any one of the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner outdoor unit is detected to be in a disconnected state, the state of an external port of the air conditioner outdoor unit, in which the exhaust temperature controller, the high-pressure switch and the low-pressure switch are connected together in series, is judged to be in a disconnected state.
Further, the processor 1001 may call a protection control program of the outdoor unit of the air conditioner stored in the memory 1005, and further perform the following operations:
the first preset threshold is smaller than a current value of the air conditioner external unit during normal operation.
Further, the processor 1001 may call a protection control program of the outdoor unit of the air conditioner stored in the memory 1005, and further perform the following operations:
the second preset threshold is larger than a current value of the air conditioner external unit during normal operation.
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating a protection control method for an external unit of an air conditioner according to a first embodiment of the present invention;
the embodiment provides a protection control method of an air conditioner outdoor unit, which comprises the following steps:
step S10, detecting and obtaining the current value of a current protection port of the air conditioner external unit;
in the invention, as shown in fig. 3, the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner outdoor unit are connected in series and share one external port, so that the space area of the main board of the air conditioner outdoor unit is reduced, the number of circuit board components of the main board is reduced, and the production cost of the air conditioner outdoor unit can be saved. And acquiring the current value of the current air conditioner external unit by detecting the current value of the current protection port.
Step S20, judging the state of an external port of the air conditioner external unit, wherein the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner external unit are connected in series;
because the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner external unit are connected in series, when any one of the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner external unit is detected to be in an off state, and judging that the state of an external port of the air conditioner external unit, in which the exhaust temperature controller, the high-pressure switch and the low-pressure switch are connected in series, is a disconnected state.
And S30, identifying the current working state of the air conditioner external unit according to the current value and the state of the external port.
In this embodiment, the current working state of the air conditioner external unit is identified by the detected current value of the current protection port and the state of the external port in which the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner external unit are connected in series. The current working states of the air conditioner external unit described herein include a high-voltage protection state, a low-voltage protection state, and a normal working state. The specific identification determination method will be specifically described in the second, third, and fourth embodiments.
It should be noted that the method of the present invention does not affect the indoor unit of the air conditioner.
According to the protection control method for the air conditioner external unit, the current value of the current protection port of the air conditioner external unit is detected and obtained, the state of the external port, where the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner external unit are connected in series, is judged, and then the current working state of the air conditioner external unit is identified according to the current value and the state of the external port. The cost of the air conditioner external unit is reduced, and the current protection mode of the air conditioner external unit is conveniently identified.
Further, referring to fig. 4, a second embodiment of the method for protecting and controlling an external unit of an air conditioner according to the present invention is proposed based on the first embodiment, and in this embodiment, the step S30 includes:
and S31, when the current value is smaller than a first preset threshold value and the external port is in a disconnected state, determining that the current working state of the air conditioner external unit is a low-voltage protection state.
In this embodiment, a current value when the air conditioner external unit normally operates is preset to be I0, a current threshold Δ I is preset in consideration of a temperature change of the air conditioner internal unit, and if the detected current value of the current protection port is smaller than I0- Δ I and an external port where the exhaust temperature controller, the high-pressure switch and the low-pressure switch are connected in series is in a disconnected state, the air conditioner external unit is in a low-pressure protection state according to system logic. The I0-delta I is a first preset threshold value, and the first preset threshold value is smaller than a current value I0 when the air conditioner outdoor unit normally operates.
In the technical scheme disclosed in this embodiment, the current working state of the air conditioner external unit is quickly identified by the detected current value of the current protection port and the state of the external port in which the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner external unit are connected in series, which is convenient and accurate.
Further, referring to fig. 5, a third embodiment of the protection control method for an external unit of an air conditioner according to the present invention is proposed based on the first embodiment, and in this embodiment, the step S30 includes:
and S32, when the current value is greater than a second preset threshold value and the external port is in a disconnected state, determining that the current working state of the air conditioner external unit is a high-voltage protection state, wherein the second preset threshold value is greater than the first preset threshold value.
In this embodiment, a current value when the air conditioner external unit normally operates is preset to be I0, a current threshold Δ I is preset in consideration of a temperature change of the air conditioner internal unit, and if the detected current value of the current protection port is greater than I0+ Δ I and an external port where the exhaust temperature controller, the high-pressure switch and the low-pressure switch are connected in series is in a disconnected state, the air conditioner external unit is in a high-pressure protection state according to system logic. Here, I0+ Δ I is a second preset threshold, and the second preset threshold is greater than a current value I0 when the air conditioner external unit normally operates.
Optionally, when the external port is in an off state, if the current value is greater than or equal to the first preset threshold and less than or equal to the second preset threshold, it is determined that the external port is not the high-pressure switch or the low-pressure switch but the exhaust temperature controller, and therefore it is determined that the external air conditioner unit is triggered to be turned off based on exhaust protection, and the current working state of the external air conditioner unit is an exhaust protection state.
In the technical scheme disclosed in this embodiment, the current working state of the air conditioner external unit is quickly identified by the detected current value of the current protection port and the state of the external port in which the exhaust temperature controller, the high-pressure switch and the low-pressure switch of the air conditioner external unit are connected in series, which is convenient and accurate.
Further, referring to fig. 6, a fourth embodiment of the method for protecting and controlling an external unit of an air conditioner according to the present invention is proposed based on the first embodiment, and in this embodiment, the step S30 includes:
and step S33, when the current value is greater than or equal to a first preset threshold and less than or equal to a second preset threshold, determining that the current working state of the air conditioner external unit is a normal working state.
In this embodiment, a current value when the air conditioner external unit normally operates is preset as I0, a current threshold Δ I is preset in consideration of a temperature change of the air conditioner internal unit, and if a value range of the detected current value I of the current protection port is: i is more than or equal to I0-delta I and less than or equal to I0+ delta I, the air conditioner outdoor unit is considered to be in a normal working state.
In the technical scheme disclosed by the embodiment, the current working state of the air conditioner outdoor unit is quickly identified by detecting the current value of the current protection port, so that the method is convenient and accurate.
In addition, an embodiment of the present invention further provides an external unit of an air conditioner, where the external unit of the air conditioner includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the computer program is executed by the processor, the steps of the protection control method for the external unit of the air conditioner according to the above embodiment are implemented.
In addition, an embodiment of the present invention further provides a computer storage medium, where a protection control program of an air conditioner external unit is stored on the computer storage medium, and when the protection control program of the air conditioner external unit is executed by the processor, the steps of the protection control method of the air conditioner external unit according to the above embodiment are implemented.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one of 8230, and" comprising 8230does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element.
The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention or portions thereof contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) as described above, and includes several instructions for enabling a terminal device (which may be a mobile phone, a computer, a cloud server, an air conditioner, or a network device) to execute the method of the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (9)
1. A protection control method of an air conditioner outdoor unit is characterized in that an exhaust temperature controller, a high-pressure switch and a low-pressure switch of the air conditioner outdoor unit are connected in series and share an external port, and the protection control method of the air conditioner outdoor unit comprises the following steps:
detecting and acquiring the current value of a current protection port of the air conditioner external unit;
detecting whether the state of an external port of an air conditioner external unit, in which an exhaust temperature controller, a high-pressure switch and a low-pressure switch are connected in series, is a disconnected state, and when the state of the external port is the disconnected state, any one of the exhaust temperature controller, the high-pressure switch and the low-pressure switch is in the disconnected state;
if so, identifying the current working state of the air conditioner external unit according to the current value.
2. The method as claimed in claim 1, wherein the step of identifying the current operating state of the outdoor unit includes:
and when the external port is in a disconnected state and the current value is smaller than a first preset threshold value, determining that the current working state of the air conditioner external unit is a low-voltage protection state.
3. The method as claimed in claim 2, wherein the step of identifying the current operating state of the outdoor unit according to the current value further comprises:
and when the external port is in a disconnected state and the current value is greater than a second preset threshold value, determining that the current working state of the air conditioner external unit is a high-voltage protection state, wherein the second preset threshold value is greater than the first preset threshold value.
4. The method of claim 1, further comprising:
and when the state of the external port is detected to be a connection state, if the current value is greater than or equal to a first preset threshold value and less than or equal to a second preset threshold value, determining that the current working state of the air conditioner external unit is a normal working state.
5. The method as claimed in claim 2, wherein the first predetermined threshold is less than a current value of the outdoor unit during normal operation.
6. The method as claimed in claim 3, wherein the second predetermined threshold is greater than a current value when the outdoor unit is normally operated.
7. An outdoor unit of an air conditioner, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the computer program, when executed by the processor, implements the steps of the method for protecting and controlling the outdoor unit of the air conditioner as claimed in any one of claims 1 to 6.
8. The outdoor unit of claim 7, wherein the exhaust thermostat, the high-pressure switch and the low-pressure switch of the outdoor unit are connected in series to share an external port.
9. A computer storage medium, wherein a protection control program of an external unit of an air conditioner is stored on the computer storage medium, and when the protection control program of the external unit of the air conditioner is executed by a processor, the steps of the protection control method of the external unit of the air conditioner as claimed in any one of claims 1 to 6 are implemented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211161734.9A CN115560429A (en) | 2018-06-20 | 2018-06-20 | Protection control method for air conditioner external unit, air conditioner external unit and computer storage medium |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211161734.9A CN115560429A (en) | 2018-06-20 | 2018-06-20 | Protection control method for air conditioner external unit, air conditioner external unit and computer storage medium |
| CN201810641203.7A CN108954659A (en) | 2018-06-20 | 2018-06-20 | Protection control method, outdoor machine of air-conditioner and the computer storage medium of outdoor machine of air-conditioner |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810641203.7A Division CN108954659A (en) | 2018-06-20 | 2018-06-20 | Protection control method, outdoor machine of air-conditioner and the computer storage medium of outdoor machine of air-conditioner |
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| CN115560429A true CN115560429A (en) | 2023-01-03 |
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| CN201810641203.7A Pending CN108954659A (en) | 2018-06-20 | 2018-06-20 | Protection control method, outdoor machine of air-conditioner and the computer storage medium of outdoor machine of air-conditioner |
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| CN111780362B (en) * | 2020-07-03 | 2022-03-11 | 海信（山东）空调有限公司 | Air conditioner and control method thereof |
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| JP2541174B2 (en) * | 1990-12-21 | 1996-10-09 | ダイキン工業株式会社 | Refrigerator protection device |
| JPH0914805A (en) * | 1995-06-29 | 1997-01-17 | Sanyo Electric Co Ltd | Protection device of air conditioner |
| JP2017227356A (en) * | 2016-06-21 | 2017-12-28 | ダイキン工業株式会社 | Freezer and actuation determination method of pressure switch |
| CN107355945A (en) * | 2017-06-26 | 2017-11-17 | 中山火炬职业技术学院 | Air conditioner outdoor unit fault alarm and protection circuit structure and method |
| CN107091517B (en) * | 2017-06-30 | 2023-09-12 | 珠海格力电器股份有限公司 | Protection control method and device of air conditioner unit and air conditioner unit |
| CN107611926B (en) * | 2017-09-15 | 2020-11-06 | 珠海格力电器股份有限公司 | Overload protection device and method, storage medium, compressor and electric appliance |
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2018
- 2018-06-20 CN CN202211161734.9A patent/CN115560429A/en active Pending
- 2018-06-20 CN CN201810641203.7A patent/CN108954659A/en active Pending
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