CN109990394B - Control method for engine oil temperature of compressor, heating device and air conditioner - Google Patents

Control method for engine oil temperature of compressor, heating device and air conditioner Download PDF

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Publication number
CN109990394B
CN109990394B CN201910298111.8A CN201910298111A CN109990394B CN 109990394 B CN109990394 B CN 109990394B CN 201910298111 A CN201910298111 A CN 201910298111A CN 109990394 B CN109990394 B CN 109990394B
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China
Prior art keywords
compressor
temperature
sensing device
temperature sensing
detected
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CN201910298111.8A
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CN109990394A (en
Inventor
彭斌
黄浩棠
潘卫琼
张永炜
李健成
李世博
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • F24F1/08—Compressors specially adapted for separate outdoor units
    • 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
    • F24F1/20—Electric components for separate outdoor units
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/34—Heater, e.g. gas burner, electric air heater
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The disclosure provides a control method for engine oil temperature of a compressor, a heating device and an air conditioner, and relates to the field of air conditioners. Wherein the heating device includes: heating the belt body; a first temperature sensing device; one end of the power supply terminal is electrically connected with the heating belt body, and the other end of the power supply terminal is connected with a power supply; and one end of the signal terminal is connected with the first temperature sensing device, and the other end of the signal terminal is connected with the control device, so that the control device controls the communication state of the heating belt body and the power supply based on the signal transmitted by the first temperature sensing device. Therefore, when the preset condition is met, the heating device is started, the temperature of engine oil of the compressor is increased, and the problems of oil shortage and easy abrasion when the compressor just starts to run after being placed at low temperature for a long time are solved.

Description

Control method for engine oil temperature of compressor, heating device and air conditioner
Technical Field
The disclosure relates to the field of air conditioners, and in particular relates to a control method for oil temperature of a compressor, a heating device and an air conditioner.
Background
There are increasing demands on the operating temperature range of air conditioners in many countries and regions. For example, north America requires air conditioners to operate at temperatures below-30 ℃. The compressor of an air conditioner may face a long-term low-temperature placement condition.
Disclosure of Invention
The inventor finds that if the compressor of the air conditioner is placed at a low temperature for a long time, the refrigerant migrates to the compression chamber, the oil discharge amount is large when the compressor just starts to run, the oil is easy to be starved, and the temperature of the engine oil of the compressor is low, the lubricity is poor, and the compressor is easy to wear.
In view of this, this disclosure sets up heating device at the compressor, when satisfying the preset condition, opens heating device, improves compressor oil temperature, improves the just when beginning the operation when lacking oil and easy wearing and tearing problem after the long-term low temperature of compressor is placed.
Some embodiments of the present disclosure provide a heating device, comprising:
heating the belt body;
a first temperature sensing device;
one end of the power supply terminal is electrically connected with the heating belt body, and the other end of the power supply terminal is connected with a power supply;
and
And one end of the signal terminal is connected with the first temperature sensing device, and the other end of the signal terminal is connected with the control device, so that the control device controls the communication state of the heating belt body and the power supply based on the signal transmitted by the first temperature sensing device.
In some embodiments, the heating device further comprises: two end parts which are respectively arranged at two ends of the heating belt body;
one end part is arranged on a circuit of the heating belt body, which is connected with the power terminal and the signal terminal;
one of the end pieces is provided with a plurality of limiting holes, and the other end piece is provided with a limiting column.
In some embodiments, the heating device surrounds the oil chamber of the compressor.
Some embodiments of the present disclosure provide an air conditioner including:
the heating device of any of the foregoing embodiments, the heating device surrounding an oil chamber of the compressor;
and
And a control device.
In some embodiments, the air conditioner further comprises: the second temperature sensing device is used for sensing the outdoor environment temperature and is connected with the control device;
and a control device configured to control a communication state of the heating belt body and the power supply based on at least one of the signal transmitted by the first temperature sensing device and the signal transmitted by the second temperature sensing device.
Some embodiments of the present disclosure provide a method for controlling a temperature of compressor oil, including:
detecting the working state of the compressor;
acquiring the temperature of the engine oil of the compressor detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device;
and controlling the heating device of the compressor to be turned on or off according to the working state of the compressor and in combination with at least one of the temperature of the engine oil of the compressor detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device.
In some embodiments, the controlling the heating device of the compressor to be turned on or off includes:
when the compressor is in a standby state, in a first time period, if the temperature of the engine oil of the compressor detected by the first temperature sensing device is smaller than or equal to a first temperature threshold value, a heating device of the compressor is controlled to be started;
or when the compressor is in a shutdown state, in a second time period after receiving the startup command, if the outdoor environment temperature detected by the second temperature sensing device is less than or equal to a second temperature threshold value, controlling a heating device of the compressor to be started;
or when the compressor is in a standby state, in a third time period, if the outdoor environment temperature detected by the second temperature sensing device is greater than or equal to a third temperature threshold value, and the engine oil temperature detected by the first temperature sensing device is greater than a fourth temperature threshold value, controlling a heating device of the compressor to be closed;
or when the compressor is in a starting state, in a fourth time period, if the temperature of the engine oil detected by the first temperature sensing device is greater than or equal to a fifth temperature threshold value, the heating device of the compressor is controlled to be closed.
In some embodiments, the first temperature threshold is below 16 ℃; the second temperature threshold is below 18 ℃; the third temperature threshold is above 25 ℃; the fourth temperature threshold is above 21 ℃; the fifth temperature threshold is above 45 ℃.
Some embodiments of the present disclosure provide a control device for a compressor oil temperature, including:
a detection unit configured to detect an operation state of the compressor;
an acquisition unit configured to acquire the compressor oil temperature detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device;
and a control unit configured to control the heating device of the compressor to be turned on or off according to an operating state of the compressor and in combination with at least one of the temperature of the compressor oil detected by the first temperature sensing device and the outdoor ambient temperature detected by the second temperature sensing device.
Some embodiments of the present disclosure provide a control device for a compressor oil temperature, including:
a memory; and
a processor coupled to the memory, the processor configured to execute the control method of any of the preceding embodiments based on instructions stored in the memory.
Some embodiments of the present disclosure propose a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements a control method of any of the previous embodiments.
Drawings
The drawings that are required for use in the description of the embodiments or the related art will be briefly described below. The present disclosure will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings,
it will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without inventive faculty.
Fig. 1 and 2 are schematic structural views of some embodiments of a heating device of the present disclosure.
Fig. 3 is a schematic structural view of some embodiments of a heating device of the present disclosure for a compressor.
Fig. 4 is a schematic structural view of some embodiments of an air conditioner of the present disclosure.
FIG. 5 is a flow chart of some embodiments of a method of controlling a compressor oil temperature of the present disclosure.
Fig. 6 is a schematic diagram of some embodiments of a control device for compressor oil temperature of the present disclosure.
Fig. 7 is a schematic diagram of some embodiments of a control device for compressor oil temperature of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure.
Fig. 1 and 2 are schematic structural views of some embodiments of a heating device of the present disclosure. The heating device may be used for a compressor.
As shown in fig. 1 and 2, the heating devices 10,20 each include: a heating belt 11, a first temperature sensing device 12, a power terminal 13, and a signal terminal 14.
The heating belt 11 can generate heat when energized. The heating belt 11 has a heating wire incorporated therein, and can generate heat when energized. The heating belt 11 may be, for example, a belt shape so as to surround an object to be heated (e.g., a compressor) to enhance heating effect.
The first temperature sensing device 12 can detect the temperature of the object to be heated. If the heating device is used for a compressor, the first temperature sensing device 12 may detect the compressor oil temperature. The first temperature sensing device 12 may be, for example, a temperature sensor, a bulb, or the like.
The power terminal 13 is used for connecting to a power source, that is, one end of the power terminal 13 is electrically connected to the heating belt 11, and the other end is connected to the power source. The power supply terminal 13 generally includes a live wire terminal 131 and a neutral wire terminal 132, to which live and neutral wires are connected, respectively.
The signal terminal 14 is used for connecting with the control device 41, that is, one end of the signal terminal 14 is connected with the first temperature sensing device 12, and the other end is connected with the control device 41, so that the control device 41 controls the communication state of the heating belt 11 and the power supply based on the signal transmitted by the first temperature sensing device. When the heating belt 11 is connected to the power supply, the heating belt 11 starts to heat, and when the heating belt 11 is disconnected from the power supply, the heating belt 11 stops heating. Thereby realizing the automatic control heating of the heating device.
Furthermore, the heating device 10,20 further comprises: two end pieces 15,16, the two end pieces 15,16 being provided at both ends of the heating belt body 11, respectively. One of the end pieces 16 is provided on a line connecting the heating belt 11 with the power supply terminal 13 and the signal terminal 14.
In some embodiments, as shown in fig. 1, one of the end pieces 15 is provided with a plurality of limiting holes 151 and the other of the end pieces 16 is provided with a limiting post 161. The limit posts 161 may be embedded into different limit holes 151 so that the length of the heating device 10 may be adjusted to accommodate compressors of different diameters.
In some embodiments, as shown in fig. 2, one of the end pieces 15 is provided with a catch 152 and the other of the end pieces 16 is provided with a catch 162. One end of the tension spring 17 is clamped on the buckle 152, and after the heating device 20 surrounds the compressor, the other end of the tension spring 17 is clamped on the buckle 162, and the length of the heating device 20 is adjustable by utilizing the elasticity of the tension spring 17, so that the heating device is adapted to compressors with different diameters.
Fig. 3 is a schematic structural view of some embodiments of a heating device of the present disclosure for a compressor. As shown in FIG. 3, the heating devices 10,20 may surround the oil chamber of the compressor 30.
In addition, in order to further increase the acceleration speed, a plurality of heating devices 10,20 may be provided around the circumference of the compressor 30.
Fig. 4 is a schematic structural view of some embodiments of an air conditioner of the present disclosure.
As shown in fig. 4, the air conditioner 40 includes: heating devices 10,20 and control device 41. The heating devices 10,20 may surround the oil chamber of the compressor 30. The heating devices 10 and 20 are connected to the control device 41 through the signal terminal 14, and one end of the signal terminal 14 is connected to the first temperature sensing device 12, and the other end is connected to the control device 41, as described above. The control device 41 controls the communication state between the heating belt 11 and the power supply based on the signal transmitted from the first temperature sensing device 12.
As shown in fig. 4, the air conditioner 40 further includes: and a second temperature sensing device 42 for sensing the outdoor environment temperature, wherein the second temperature sensing device 42 is connected with the control device 41. And a control device 41 configured to control a communication state of the heating belt 11 with the power supply based on at least one of the signal transmitted by the first temperature sensing device 12 and the signal transmitted by the second temperature sensing device 42.
FIG. 5 is a flow chart of some embodiments of a method of controlling a compressor oil temperature of the present disclosure. The control method may be performed by the control device 41, for example.
As shown in fig. 5, the method of this embodiment includes:
step 51, detecting the working state of the compressor.
The working states of the compressor comprise standby, shutdown, startup and the like.
And step 52, acquiring the temperature of the compressor oil detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device.
And step 53, controlling the heating device of the compressor to be started or stopped according to the working state of the compressor and in combination with at least one of the engine oil temperature of the compressor detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device.
In some embodiments, controlling the heating device of the compressor to be turned on or off includes:
strategy one: when the compressor is in a standby state, in a first period of time, if the temperature of the compressor oil detected by the first temperature sensing device is smaller than or equal to a first temperature threshold T1, the temperature of the compressor oil is lower, a heating device of the compressor is controlled to be started, and at the moment, the heating device is communicated with a power supply to start heating.
Strategy II: when the compressor is in a shutdown state, and in a second time period after a startup command is received, if the outdoor environment temperature detected by the second temperature sensing device is smaller than or equal to a second temperature threshold T2, the outdoor environment temperature is lower, the heating device of the compressor is controlled to be started, and at the moment, the heating device is communicated with a power supply to start heating.
In some embodiments, the heating device on duration may be set, for example, 4 to 10 minutes. Or, the third and fourth strategies switch off the heating device when the temperature information satisfies the preset condition.
Strategy III: when the compressor is in a standby state, in a third time period, if the outdoor environment temperature detected by the second temperature sensing device is greater than or equal to a third temperature threshold T3, and the engine oil temperature detected by the first temperature sensing device is greater than a fourth temperature threshold T4, the outdoor environment temperature and the engine oil temperature are higher, and the heating device of the compressor is controlled to be turned off.
Strategy IV: and when the compressor is in a starting state, and in a fourth time period, if the temperature of the compressor oil detected by the first temperature sensing device is greater than or equal to a fifth temperature threshold T5, indicating that the temperature of the compressor oil is higher, controlling a heating device of the compressor to be closed.
Wherein the temperature threshold may be preset. For example, the first temperature threshold is below 16 ℃; the second temperature threshold is below 18 ℃; the third temperature threshold is above 25 ℃; the fourth temperature threshold is above 21 ℃; the fifth temperature threshold is above 45 ℃.
Wherein, the time period can be preset. For example, the first time period is 8 seconds, the second time period is 3 seconds, and the third and fourth time periods are 15 seconds, but are not limited to the illustrated example.
According to the embodiment, when the preset condition is met, the heating device is started, the temperature of engine oil of the compressor is increased, and the problems of oil shortage and easiness in abrasion during operation immediately after the compressor is placed at low temperature for a long time are solved. When the preset condition is met, the heating device is turned off in time, and the energy is saved while the temperature of the engine oil of the compressor is met. In addition, the priority can be set to be that the closing strategy of the heating device is superior to the opening strategy of the heating device, so that energy sources are further saved.
Fig. 6 is a schematic diagram of some embodiments of a control device for compressor oil temperature of the present disclosure.
As shown in fig. 6, the control device 41 of this embodiment includes:
a detection unit 61 configured to detect an operation state of the compressor;
an acquisition unit 62 configured to acquire the compressor oil temperature detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device;
and a control unit 63 configured to control the heating means of the compressor to be turned on or off in accordance with an operation state of the compressor in combination with at least one of the temperature of the compressor oil detected by the first temperature sensing means and the outdoor ambient temperature detected by the second temperature sensing means.
The control unit 63 includes a first control subunit, a second control subunit, a third control subunit, and a fourth control subunit.
And the first control subunit is configured to control the heating device of the compressor to be started when the compressor is in a standby state and in a first time period, if the temperature of the engine oil detected by the first temperature sensing device is smaller than or equal to a first temperature threshold value.
And the second control subunit is configured to control the heating device of the compressor to be started in a second time period after the compressor is in the shutdown state and the startup command is received if the outdoor environment temperature detected by the second temperature sensing device is less than or equal to a second temperature threshold value.
And the third control subunit is configured to control the heating device of the compressor to be turned off when the compressor is in a standby state and in a third time period if the outdoor environment temperature detected by the second temperature sensing device is greater than or equal to a third temperature threshold and the engine oil temperature detected by the first temperature sensing device is greater than a fourth temperature threshold.
And the fourth control subunit is configured to control the heating device of the compressor to be turned off when the compressor is in a starting state and in a fourth time period if the temperature of the engine oil detected by the first temperature sensing device is greater than or equal to a fifth temperature threshold value.
Fig. 7 is a schematic diagram of some embodiments of a control device for compressor oil temperature of the present disclosure.
As shown in fig. 7, the control device 41 of this embodiment includes: a memory 71; and a processor 72 coupled to the memory, the processor 72 being configured to execute the compressor oil temperature control method of any of the foregoing embodiments based on instructions stored in the memory.
The memory 71 may include, for example, a system memory, a fixed nonvolatile storage medium, and the like. The system memory stores, for example, an operating system, application programs, boot Loader (Boot Loader), and other programs.
It will be appreciated by those skilled in the art that embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The foregoing description of the preferred embodiments of the present disclosure is not intended to limit the disclosure, but rather to enable any modification, equivalent replacement, improvement or the like, which fall within the spirit and principles of the present disclosure.

Claims (9)

1. An air conditioner, comprising:
the heating device surrounds the oil cavity of the compressor;
the second temperature sensing device is used for sensing the outdoor environment temperature and is connected with the control device;
a control device configured to control a communication state of the heating belt body and the power supply based on the signal transmitted by the first temperature sensing device and the signal transmitted by the second temperature sensing device together, comprising:
when the compressor is in a standby state, in a first time period, if the temperature of the engine oil of the compressor detected by the first temperature sensing device is smaller than or equal to a first temperature threshold value, a heating device of the compressor is controlled to be started;
when the compressor is in a shutdown state, in a second time period after a startup command is received, if the outdoor environment temperature detected by the second temperature sensing device is less than or equal to a second temperature threshold value, controlling a heating device of the compressor to be started;
when the compressor is in a standby state, in a third time period, if the outdoor ambient temperature detected by the second temperature sensing device is greater than or equal to a third temperature threshold, and the engine oil temperature detected by the first temperature sensing device is greater than a fourth temperature threshold, the heating device of the compressor is controlled to be closed;
and when the compressor is in a starting state, and in a fourth time period, if the temperature of the engine oil detected by the first temperature sensing device is greater than or equal to a fifth temperature threshold value, controlling a heating device of the compressor to be closed.
2. The air conditioner as claimed in claim 1, wherein the heating means comprises:
heating the belt body;
a first temperature sensing device;
one end of the power supply terminal is electrically connected with the heating belt body, and the other end of the power supply terminal is connected with a power supply;
one end of the signal terminal is connected with the first temperature sensing device, and the other end of the signal terminal is connected with the control device, so that the control device controls the communication state of the heating belt body and the power supply based on the signal transmitted by the first temperature sensing device; and
two end parts which are respectively arranged at two ends of the heating belt body;
one of the end pieces is provided with a plurality of limiting holes, and the other end piece is provided with a limiting column.
3. The air conditioner of claim 2, the heating device further comprising:
one of the end pieces is arranged on a line connecting the heating belt body with the power supply terminal and the signal terminal.
4. A method of controlling a compressor oil temperature, comprising:
detecting the working state of the compressor;
acquiring the temperature of the engine oil of the compressor detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device;
according to the working state of the compressor, the heating device of the compressor is controlled to be started or stopped by combining the engine oil temperature of the compressor detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device;
wherein the controlling of the opening or closing of the heating device of the compressor includes:
when the compressor is in a standby state, in a first time period, if the temperature of the engine oil of the compressor detected by the first temperature sensing device is smaller than or equal to a first temperature threshold value, a heating device of the compressor is controlled to be started;
when the compressor is in a shutdown state, in a second time period after a startup command is received, if the outdoor environment temperature detected by the second temperature sensing device is less than or equal to a second temperature threshold value, controlling a heating device of the compressor to be started;
when the compressor is in a standby state, in a third time period, if the outdoor ambient temperature detected by the second temperature sensing device is greater than or equal to a third temperature threshold, and the engine oil temperature detected by the first temperature sensing device is greater than a fourth temperature threshold, the heating device of the compressor is controlled to be closed;
and when the compressor is in a starting state, and in a fourth time period, if the temperature of the engine oil detected by the first temperature sensing device is greater than or equal to a fifth temperature threshold value, controlling a heating device of the compressor to be closed.
5. The control method according to claim 4, wherein,
the first temperature threshold is below 16 ℃;
the second temperature threshold is below 18 ℃;
the third temperature threshold is above 25 ℃;
the fourth temperature threshold is above 21 ℃;
the fifth temperature threshold is above 45 ℃.
6. The control method according to any one of claims 4 to 5, further comprising: the priority of execution is set such that the switching-off strategy of the heating device is superior to the switching-on strategy of the heating device.
7. A control device for compressor oil temperature, comprising:
a detection unit configured to detect an operation state of the compressor;
an acquisition unit configured to acquire the compressor oil temperature detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device;
a control unit configured to control the heating device of the compressor to be turned on or off in accordance with an operation state of the compressor and in combination with the compressor oil temperature detected by the first temperature sensing device and the outdoor environment temperature detected by the second temperature sensing device, comprising:
when the compressor is in a standby state, in a first time period, if the temperature of the engine oil of the compressor detected by the first temperature sensing device is smaller than or equal to a first temperature threshold value, a heating device of the compressor is controlled to be started;
when the compressor is in a shutdown state, in a second time period after a startup command is received, if the outdoor environment temperature detected by the second temperature sensing device is less than or equal to a second temperature threshold value, controlling a heating device of the compressor to be started;
when the compressor is in a standby state, in a third time period, if the outdoor ambient temperature detected by the second temperature sensing device is greater than or equal to a third temperature threshold, and the engine oil temperature detected by the first temperature sensing device is greater than a fourth temperature threshold, the heating device of the compressor is controlled to be closed;
and when the compressor is in a starting state, and in a fourth time period, if the temperature of the engine oil detected by the first temperature sensing device is greater than or equal to a fifth temperature threshold value, controlling a heating device of the compressor to be closed.
8. A control device for compressor oil temperature, comprising:
a memory; and
a processor coupled to the memory, the processor configured to execute the control method of any of claims 4-6 based on instructions stored in the memory.
9. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, implements the control method as claimed in any one of claims 4-6.
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CN113531803A (en) * 2021-06-22 2021-10-22 青岛海尔空调器有限总公司 Method and device for preheating heat insulation cotton of air conditioner, air conditioner and air conditioning system
CN115265017A (en) * 2022-07-27 2022-11-01 深圳市英维克科技股份有限公司 Water chilling unit, operation control method, storage medium, control device and equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980073161A (en) * 1997-03-12 1998-11-05 구자홍 Operation method of refrigeration cycle device for heat pump air conditioner
JP2002277068A (en) * 2001-03-14 2002-09-25 Matsushita Refrig Co Ltd Air conditioner
CN104976737A (en) * 2015-06-30 2015-10-14 广东美的制冷设备有限公司 Air conditioner and refrigeration method
CN107255069A (en) * 2017-07-07 2017-10-17 广东美的暖通设备有限公司 Compressor control method, compressor and heat pump
WO2018025935A1 (en) * 2016-08-05 2018-02-08 三菱重工サーマルシステムズ株式会社 Heat pump device and control method therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001141279A (en) * 1999-11-12 2001-05-25 Matsushita Refrig Co Ltd Diagnosing device for air conditioner
CN201396263Y (en) * 2009-04-30 2010-02-03 宁波奥克斯电气有限公司 Compressor crankcase heating tape
JP2014122737A (en) * 2012-12-20 2014-07-03 Daikin Ind Ltd Air conditioner
CN103089598B (en) * 2013-01-27 2015-06-10 宁波奥克斯空调有限公司 Control method of air conditioning compressor
CN104564611A (en) * 2013-10-22 2015-04-29 珠海格力电器股份有限公司 Control method and device of compressor electric heating band
CN106288569A (en) * 2016-08-17 2017-01-04 珠海格力电器股份有限公司 Air-conditioner and heat tape control method thereof and device
CN106286227B (en) * 2016-09-05 2018-06-26 广东志高暖通设备股份有限公司 A kind of compressor and its oil temperature control method and device
CN107524582A (en) * 2017-07-31 2017-12-29 南通曼淇威电气有限公司 Air-conditioner compressor crankshaft case heat tape
CN210089188U (en) * 2019-04-15 2020-02-18 珠海格力电器股份有限公司 Heating device and air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980073161A (en) * 1997-03-12 1998-11-05 구자홍 Operation method of refrigeration cycle device for heat pump air conditioner
JP2002277068A (en) * 2001-03-14 2002-09-25 Matsushita Refrig Co Ltd Air conditioner
CN104976737A (en) * 2015-06-30 2015-10-14 广东美的制冷设备有限公司 Air conditioner and refrigeration method
WO2018025935A1 (en) * 2016-08-05 2018-02-08 三菱重工サーマルシステムズ株式会社 Heat pump device and control method therefor
CN107255069A (en) * 2017-07-07 2017-10-17 广东美的暖通设备有限公司 Compressor control method, compressor and heat pump

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