CN105571074B - The method and apparatus for controlling the outer rotation speed of fan of air-conditioning - Google Patents
The method and apparatus for controlling the outer rotation speed of fan of air-conditioning Download PDFInfo
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- CN105571074B CN105571074B CN201610032637.8A CN201610032637A CN105571074B CN 105571074 B CN105571074 B CN 105571074B CN 201610032637 A CN201610032637 A CN 201610032637A CN 105571074 B CN105571074 B CN 105571074B
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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
- F24F11/89—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
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Abstract
The present invention provides a kind of method and apparatus of rotation speed of fan outside control air-conditioning, wherein this method comprises: the module temperature of the detection automatically controlled mainboard of outdoor machine of air-conditioner；According to the module temperature, the revolving speed of the outer blower of the air-conditioning is determined；The outer fan operation is controlled according to determining revolving speed.The technical issues of present invention solves air-conditioning in the prior art, and to be easy to produce system pressure in high load capacity heating excessively high, compressor shutdown, has reached the technical effect for guaranteeing that heating can also be operated normally under worst hot case.
Description
Technical field
The present invention relates to air conditioner controlling technology fields, in particular to a kind of method of rotation speed of fan outside control air-conditioning
And device.
Background technique
Due to the limitation of frequency-changeable compressor self-operating characteristic, there are a limit minimum operating frequencies for compressor.Due to
R32 dedicated compressor is compared with R410A compressor at present, design of electrical motor difference very little.Therefore, R32 compressor is compressed with R410A
Machine is compared, and limit running frequency is approximately uniform.When air-conditioning runs heating under worst hot case, it is easy to appear maintenances for compressor
The case where low frequency operates, however, under identical frequency (namely under same displacement), R32 is empty due to the refrigerant property of R32
The system loading of the system loading ratio R410A air-conditioning of tune is much larger.And system pressure is higher, it is easy to lead to air-conditioning because being
Unite that load is excessive and cancel closedown.
How effectively to avoid system loading excessive, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of methods of rotation speed of fan outside control air-conditioning, are existed with solving air-conditioning in the prior art
It is excessively high that system pressure is easy to produce in the case of high load capacity heating, the technical issues of compressor shutdown, this method comprises:
Detect the module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner；According to the module temperature, the outer blower of the air-conditioning is determined
Revolving speed；The outer fan operation is controlled according to determining revolving speed.
In one embodiment, according to the module temperature, the revolving speed of the outer blower is determined, comprising: according to preparatory
The corresponding tachometer value of each temperature range, the mould confirmly detected in the multiple temperature ranges and the multiple temperature range of setting
Temperature range belonging to deblocking temperature and the corresponding tachometer value of the temperature range；Using determining tachometer value as the outer blower
Revolving speed.
In one embodiment, each humidity province in preset multiple temperature ranges and the multiple temperature range
Between corresponding tachometer value include: when module temperature is less than the first predetermined threshold, outer blower is run with the first preset rotation speed；Work as mould
Deblocking temperature is more than or equal to first predetermined threshold, and when less than the second predetermined threshold, outer blower is run with the second preset rotation speed；When
When module temperature is more than or equal to second predetermined threshold, outer blower is run with the permitted maximum (top) speed of air-conditioning, wherein described
First preset rotation speed is less than second preset rotation speed, and second preset rotation speed is less than the maximum (top) speed.
In one embodiment, the module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner is detected, comprising: be in system in the air-conditioning
In the case where heat pattern, the outdoor environment temperature of air-conditioning is detected；It is greater than specific environment temperature threshold in the outdoor environment temperature
In the case where, detect the module temperature of the automatically controlled mainboard of the outdoor machine of air-conditioner.
In one embodiment, the automatically controlled mainboard of the outdoor machine of air-conditioner is detected by outer Electrical Control mainboard temperature sensor
Module temperature detects the outdoor environment temperature of air-conditioning by outer machine environment temperature sensing package.
The embodiment of the invention also provides a kind of devices of rotation speed of fan outside control air-conditioning, to solve air-conditioning in the prior art
It is excessively high that system pressure is easy to produce in high load capacity heating, and the technical issues of compressor shutdown, which includes:
Module temperature detection module, for detecting the module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner；Revolving speed determining module, is used for
According to the module temperature, the revolving speed of the outer blower of the air-conditioning is determined；Control module, for controlling institute according to determining revolving speed
State outer fan operation.
In one embodiment, the revolving speed determining module includes: interval judgement unit, for according to preset
The corresponding tachometer value of each temperature range, the module temperature confirmly detected in multiple temperature ranges and the multiple temperature range
Affiliated temperature range and the corresponding tachometer value of the temperature range；Determination unit, for using the tachometer value determined as described in
The revolving speed of outer blower.
In one embodiment, each humidity province in preset multiple temperature ranges and the multiple temperature range
Between corresponding tachometer value include: when module temperature is less than the first predetermined threshold, outer blower is run with the first preset rotation speed；Work as mould
Deblocking temperature is more than or equal to first predetermined threshold, and when less than the second predetermined threshold, outer blower is run with the second preset rotation speed；When
When module temperature is more than or equal to second predetermined threshold, outer blower is run with the permitted maximum (top) speed of air-conditioning, wherein described
First preset rotation speed is less than second preset rotation speed, and second preset rotation speed is less than the maximum (top) speed.
In one embodiment, the module temperature detection module includes: outdoor environment temperature detection unit, is used for
In the case that the air-conditioning is in heating mode, the outdoor environment temperature of air-conditioning is detected；Module temperature detection unit, in institute
Outdoor environment temperature is stated greater than in the case where specific environment temperature threshold, detects the module temperature of the automatically controlled mainboard of the outdoor machine of air-conditioner
Degree.
In one embodiment, the module temperature detection unit is specifically used for passing through outer Electrical Control mainboard temperature sensing
Device detects the module temperature of the automatically controlled mainboard of the outdoor machine of air-conditioner, and the outdoor environment temperature detection unit passes through outer machine environment temperature-sensitive
The outdoor environment temperature of packet detection air-conditioning.
In the above-described embodiments, it is adjusted by the revolving speed of the external blower of module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner,
Air-conditioning is easy to produce that system pressure is excessively high in high load capacity heating to solving in the prior art, the skill of compressor shutdown
Art problem has reached the technical effect for guaranteeing that heating can also be operated normally under worst hot case.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the method flow diagram of the outer rotation speed of fan of control air-conditioning according to an embodiment of the present invention；
Fig. 2 is the apparatus structure block diagram of the outer rotation speed of fan of control air-conditioning according to an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right below with reference to embodiment and attached drawing
The present invention is described in further details.Here, exemplary embodiment and its explanation of the invention is used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
In order to solve air-conditioning in the prior art, in the case where high load capacity heating, compressor is easy to appear cancel closedown, and
The excessively high problem of system pressure proposes a kind of control logic of new outer blower, that is, according to the variation of heating load, simultaneously
The temperature rising condition of outdoor unit modules is compared, external rotation speed of fan is adjusted, to guarantee that air-conditioning can also under worst hot case
To operate normally heating.
As shown in Figure 1, the method for the outer rotation speed of fan of the control air-conditioning, may comprise steps of:
Step 101: the module temperature of the detection automatically controlled mainboard of outdoor machine of air-conditioner；
Step 102: according to the module temperature, determining the revolving speed of the outer blower of the air-conditioning；
Step 103: the outer fan operation is controlled according to determining revolving speed.
In the above-described embodiments, it is adjusted by the revolving speed of the external blower of module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner,
Air-conditioning is easy to produce that system pressure is excessively high in high load capacity heating to solving in the prior art, the skill of compressor shutdown
Art problem has reached the technical effect for guaranteeing that heating can also be operated normally under worst hot case.
When specific implementation, multiple temperature ranges can be preset, and set corresponding turn of each temperature range
Speed, in this way, can directly determine the module temperature is which temperature range fallen in after detecting corresponding module temperature,
Then, using revolving speed corresponding to determining temperature range as the revolving speed of subsequent outer blower.That is, according to the module temperature
Degree, determines that the revolving speed of the outer blower may include: according to preset multiple temperature ranges and the multiple temperature range
In the corresponding tachometer value of each temperature range, temperature range and the temperature range belonging to the module temperature confirmly detected
Corresponding tachometer value；Using determining tachometer value as the revolving speed of the outer blower.
For example, three temperature ranges can be preset, and set the corresponding tachometer value of each temperature range, module
Temperature is higher, then corresponding revolving speed is higher:
1) when module temperature is less than the first predetermined threshold, outer blower is run with the first preset rotation speed；
2) when module temperature is more than or equal to first predetermined threshold, when less than the second predetermined threshold, outer blower is with second
Preset rotation speed operation；
3) when module temperature is more than or equal to second predetermined threshold, outer blower is transported with the permitted maximum (top) speed of air-conditioning
Row；
Wherein, first preset rotation speed is less than second preset rotation speed, second preset rotation speed be less than it is described most
Big revolving speed.
It should be noted, however, that be only to carry out exemplary description with three temperature ranges in upper example, it can also be according to need
The temperature range of other quantity is selected with actual conditions, the application is not construed as limiting the specific division number in section.
The method of the outer rotation speed of fan of control air-conditioning provided by this example is particluarly suitable for running the feelings of heating under worst hot case
Condition, for R32 compressor, when running heating under worst hot case, compressor is easy to maintain low frequency operating,
System pressure is higher at this time, is easy to cause abnormal stop.
Therefore, outdoor environment temperature can be detected in the module temperature for detecting the automatically controlled mainboard of outdoor machine of air-conditioner, with determination
Air-conditioning whether under worst hot case heating operation, so that it is determined that carry out revolving speed adjust necessity.For example, being in heating mould in air-conditioning
In the case where formula, the outdoor environment temperature of air-conditioning is detected, in the case where outdoor environment temperature is greater than specific environment temperature threshold,
With regard to detecting the module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner, to carry out the tactic adjustment of revolving speed.
When specific implementation, it can be detected outside the air-conditioning by the temperature sensor being arranged on outer Electrical Control mainboard
The module temperature of Electrical Control mainboard can detect the outdoor environment temperature of air-conditioning by outer machine environment temperature sensing package.
In above-mentioned each embodiment, air-conditioning can be the split type room air conditioner using R32 refrigerant.
That is, proposing a kind of control logic of outer blower in upper example, according to the variation of heating load, while outdoor is compared
Machine module temperature rise, external rotation speed of fan are adjusted, so that air-conditioning can operate normally heating under worst hot case.
It is illustrated, however is worth below with reference to method of the specific embodiment to rotation speed of fan outside above-mentioned control air-conditioning
It is noted that the specific embodiment merely to the present invention is better described, does not constitute improper limitations of the present invention.
Assuming that air-conditioning environment temperature be greater than 20 DEG C when, heating operation, when outer machine environment temperature sensing package detects outdoor environment
When temperature is between 20 to 25 DEG C, the inner tube temperature of detection air-conditioning and the module temperature of outer mainboard can be synchronized, according to detection
To module temperature adjust the revolving speed of outer blower, specifically:
1) when 85 DEG C of module temperature <, outer blower is run with the revolving speed of 400rpm；
2) when 95 DEG C of 85 DEG C≤module temperature <, outer blower is run with the revolving speed of 600rpm；
3) when module temperature >=95 DEG C, outer blower is run with maximum speed.
That is, the module temperature by outer machine controller controls outer rotation speed of fan, to solve heating heavy-duty service exception
Problem.When air-conditioning is when ambient temperature is higher, start heating mode operation, the heat exchange of the evaporator of interior machine with environment temperature
The temperature difference is small, higher so as to cause the high pressure Pc of system, for whole system, if outer rotation speed of fan reduces,
The heat exchange efficiency of low-pressure side reduces, and the low pressure Pe of system is reduced, because the compression ratio of compressor is constant, then will lead to system
High pressure can also synchronize reduction, to play the role of reducing system pressure, be effectively protected the reliability of compressor.
Based on the same inventive concept, a kind of device of outer rotation speed of fan of control air-conditioning is additionally provided in the embodiment of the present invention,
As described in the following examples.Blower outside the principle and control air-conditioning solved the problems, such as due to the device of rotation speed of fan outside control air-conditioning
The method of revolving speed is similar, therefore the implementation for controlling the device of the outer rotation speed of fan of air-conditioning may refer to the outer rotation speed of fan of control air-conditioning
The implementation of method, overlaps will not be repeated.Used below, predetermined function may be implemented in term " unit " or " module "
Software and/or hardware combination.Although device described in following embodiment is preferably realized with software, hardware,
Or the realization of the combination of software and hardware is also that may and be contemplated.Fig. 2 is the control air-conditioning exogenous wind of the embodiment of the present invention
A kind of structural block diagram of the device of machine revolving speed, as shown in Fig. 2, may include: that module temperature detection module 201, revolving speed determine mould
Block 202 and control module 203, are below illustrated the structure.
Module temperature detection module 201, for detecting the module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner；
Revolving speed determining module 202, for determining the revolving speed of the outer blower of the air-conditioning according to the module temperature；
Control module 203, for controlling the outer fan operation according to determining revolving speed.
In one embodiment, revolving speed determining module 202 may include: interval judgement unit, set in advance for basis
The corresponding tachometer value of each temperature range, the module confirmly detected in fixed multiple temperature ranges and the multiple temperature range
Temperature range belonging to temperature and the corresponding tachometer value of the temperature range；Determination unit, for using the tachometer value determined as
The revolving speed of the outer blower.
In one embodiment, each humidity province in preset multiple temperature ranges and the multiple temperature range
Between corresponding tachometer value include: when module temperature is less than the first predetermined threshold, outer blower is run with the first preset rotation speed；Work as mould
Deblocking temperature is more than or equal to first predetermined threshold, and when less than the second predetermined threshold, outer blower is run with the second preset rotation speed；When
When module temperature is more than or equal to second predetermined threshold, outer blower is run with the permitted maximum (top) speed of air-conditioning, wherein described
First preset rotation speed is less than second preset rotation speed, and second preset rotation speed is less than the maximum (top) speed.
In one embodiment, module temperature detection module 201 may include: outdoor environment temperature detection unit, use
In in the case where the air-conditioning is in heating mode, the outdoor environment temperature of air-conditioning is detected；Module temperature detection unit, is used for
In the case where the outdoor environment temperature is greater than specific environment temperature threshold, the module of the automatically controlled mainboard of the outdoor machine of air-conditioner is detected
Temperature.
In one embodiment, module temperature detection unit specifically can be used for through outer Electrical Control mainboard temperature sensing
Device detects the module temperature of the automatically controlled mainboard of the outdoor machine of air-conditioner, and outdoor environment temperature detection unit specifically can be used for through outer machine
The outdoor environment temperature of environment temperature sensing package detection air-conditioning.
It can be seen from the above description that the embodiment of the present invention realizes following technical effect: passing through outdoor machine of air-conditioner electricity
The revolving speed of the external blower of module temperature for controlling mainboard is adjusted, so that solving air-conditioning in the prior art in high load capacity heats feelings
It is excessively high that it is easy to produce system pressure under condition, the technical issues of compressor shutdown, has reached that guarantee can also be just under worst hot case
The technical effect of often operation heating.
Obviously, those skilled in the art should be understood that each module of the above-mentioned embodiment of the present invention or each step can be with
It is realized with general computing device, they can be concentrated on a single computing device, or be distributed in multiple computing devices
On composed network, optionally, they can be realized with the program code that computing device can perform, it is thus possible to by it
Store and be performed by computing device in the storage device, and in some cases, can be held with the sequence for being different from herein
The shown or described step of row, perhaps they are fabricated to each integrated circuit modules or will be multiple in them
Module or step are fabricated to single integrated circuit module to realize.In this way, the embodiment of the present invention be not limited to it is any specific hard
Part and software combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of method of the outer rotation speed of fan of control air-conditioning characterized by comprising
Detect the module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner；
According to the module temperature, the revolving speed of the outer blower of the air-conditioning is determined；
The outer fan operation is controlled according to determining revolving speed；
Wherein, the module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner is detected, comprising:
In the case where the air-conditioning is in heating mode, the outdoor environment temperature of air-conditioning is detected；
In the case where the outdoor environment temperature is greater than specific environment temperature threshold, the automatically controlled mainboard of the outdoor machine of air-conditioner is detected
Module temperature.
2. the method according to claim 1, wherein determining turning for the outer blower according to the module temperature
Speed, comprising:
According to the corresponding tachometer value of temperature range each in preset multiple temperature ranges and the multiple temperature range, really
Temperature range belonging to the module temperature that regular inspection measures and the corresponding tachometer value of the temperature range；
Using determining tachometer value as the revolving speed of the outer blower.
3. according to the method described in claim 2, it is characterized in that, preset multiple temperature ranges and the multiple temperature
The corresponding tachometer value of each temperature range includes: in section
When module temperature is less than the first predetermined threshold, outer blower is run with the first preset rotation speed；
When module temperature is more than or equal to first predetermined threshold, when less than the second predetermined threshold, outer blower is with second default turn
Speed operation；
When module temperature is more than or equal to second predetermined threshold, outer blower is run with the permitted maximum (top) speed of air-conditioning,
In, first preset rotation speed is less than second preset rotation speed, and second preset rotation speed is less than the maximum (top) speed.
4. the method according to claim 1, wherein detecting the sky by outer Electrical Control mainboard temperature sensor
The module temperature for adjusting outer Electrical Control mainboard detects the outdoor environment temperature of air-conditioning by outer machine environment temperature sensing package.
5. a kind of device of the outer rotation speed of fan of control air-conditioning characterized by comprising
Module temperature detection module, for detecting the module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner；
Revolving speed determining module, for determining the revolving speed of the outer blower of the air-conditioning according to the module temperature；
Control module, for controlling the outer fan operation according to determining revolving speed；
Wherein, the module temperature detection module includes:
Outdoor environment temperature detection unit, for detecting the outdoor ring of air-conditioning in the case where the air-conditioning is in heating mode
Border temperature；
Module temperature detection unit, for detecting in the case where the outdoor environment temperature is greater than specific environment temperature threshold
The module temperature of the automatically controlled mainboard of outdoor machine of air-conditioner.
6. device according to claim 5, which is characterized in that the revolving speed determining module includes:
Interval judgement unit, for according to each humidity province in preset multiple temperature ranges and the multiple temperature range
Between corresponding tachometer value, temperature range and the corresponding tachometer value of the temperature range belonging to the module temperature confirmly detected；
Determination unit, for using the tachometer value determined as the revolving speed of the outer blower.
7. device according to claim 6, which is characterized in that preset multiple temperature ranges and the multiple temperature
The corresponding tachometer value of each temperature range includes: in section
When module temperature is less than the first predetermined threshold, outer blower is run with the first preset rotation speed；
When module temperature is more than or equal to first predetermined threshold, when less than the second predetermined threshold, outer blower is with second default turn
Speed operation；
When module temperature is more than or equal to second predetermined threshold, outer blower is run with the permitted maximum (top) speed of air-conditioning,
In, first preset rotation speed is less than second preset rotation speed, and second preset rotation speed is less than the maximum (top) speed.
8. device according to claim 5, which is characterized in that the module temperature detection unit is specifically used for passing through outer machine
Automatically controlled mainboard temperature sensor detects the module temperature of the automatically controlled mainboard of the outdoor machine of air-conditioner, the outdoor environment temperature detection unit
Specifically for detecting the outdoor environment temperature of air-conditioning by outer machine environment temperature sensing package.
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| CN106765903B (en) * | 2016-11-30 | 2019-07-23 | 广东美的制冷设备有限公司 | A kind of control method of the outer blower for air-conditioning system |
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| CN113465044B (en) * | 2021-06-11 | 2022-12-27 | 青岛海尔空调电子有限公司 | Outdoor unit of air conditioner |
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Inventor after: Wu Jun Inventor after: Lai Xiaocheng Inventor before: Wu Jun Inventor before: Lai Xiao |