CN105333576A - Method and device for controlling outdoor fan of air conditioner - Google Patents

Method and device for controlling outdoor fan of air conditioner Download PDF

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Publication number
CN105333576A
CN105333576A CN201510813063.3A CN201510813063A CN105333576A CN 105333576 A CN105333576 A CN 105333576A CN 201510813063 A CN201510813063 A CN 201510813063A CN 105333576 A CN105333576 A CN 105333576A
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China
Prior art keywords
preset
temperature
air
environment
outdoor fan
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CN201510813063.3A
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Chinese (zh)
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CN105333576B (en
Inventor
杨亚新
李金波
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广东美的制冷设备有限公司
美的集团股份有限公司
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Priority to CN201510813063.3A priority Critical patent/CN105333576B/en
Publication of CN105333576A publication Critical patent/CN105333576A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air

Abstract

The invention discloses a method for controlling an outdoor fan of an air conditioner. The method comprises the following steps: during refrigeration running of the air conditioner, acquiring an electronic control preset position temperature of the outdoor fan of the air conditioner; judging whether the preset position temperature is greater than a first preset value or not; and if so, controlling the rotational direction of the outdoor fan of the air conditioner to be changed to a second direction from a first direction. The invention further discloses a device for controlling an outdoor fan of an air conditioner. According to the invention, the purposes of lowering the temperature of an electronic control box of the outdoor fan of the air conditioner, and cooling an electronic control component are realized, and the problems of liability to burn out and shortened service life of the electronic control component of the outdoor fan due to high-temperature running are solved.

Description

Outdoor fan of air conditioner control method and device
Technical field
The present invention relates to air-conditioning technical field, particularly relate to outdoor fan of air conditioner control method and device.
Background technology
At present, the application of air-conditioning is very extensive, becomes requisite living electric apparatus in people summer gradually.When air-conditioner running refrigerating pattern, based on conventional off-premises station air channel structure, centrifugal wind wheel can on rear side of air-conditioner outdoor unit and left side draw new wind from external environment, new wind first flows through condenser and carries out heat exchange, because condenser inner refrigerant releases heat, the temperature of the new wind therefore after heat exchange raises, and subsequently, the new wind that temperature raises can carry out heat convection through being positioned at the automatically controlled fin in the outdoor on rear side of condenser again.
When usual summer, outdoor temperature was higher or when air-conditioner outdoor unit is in small space operation, air-conditioner outdoor unit can be in the higher environment of temperature and run, the new wind that ambient temperature is higher can enter off-premises station, successively heat convection is carried out with condenser, automatically controlled fin, after the new wind that temperature is higher and condenser heat exchange, temperature continues to raise, now greatly can reduce with the ability of automatically controlled fin heat convection again, cause electric-controlled box temperature too high, electric-controlled parts can not get cooling, easily burns out.
Summary of the invention
Main purpose of the present invention is to provide a kind of outdoor fan of air conditioner control method and device, is intended to realize reducing air conditioner outdoor unit electric control box temperature, cooling electric-controlled parts.
For achieving the above object, a kind of outdoor fan of air conditioner control method provided by the invention comprises the following steps:
When air-conditioner refrigerating operaton, gather the automatically controlled preset position temperature of air-conditioner outdoor unit;
Judge whether described preset position temperature is greater than the first preset value;
If so, control outdoor fan of air conditioner turns to and becomes second direction rotation from first direction rotation.
Preferably, described control outdoor fan of air conditioner turns to and comprised before first direction rotation becomes second direction rotation:
Control described outdoor fan of air conditioner and suspend preset time.
Preferably, described control outdoor fan of air conditioner turns to and also comprises after first direction rotation becomes second direction rotation:
Judge whether described preset position temperature is less than the second preset value;
If so, control described outdoor fan of air conditioner to turn to rotate from described second direction and revert to described first direction and rotate.
Preferably, also comprise before the automatically controlled preset position temperature of described collection air-conditioner outdoor unit:
The current environment temperature of off-premises station is detected every preset time;
Judge whether to exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value;
If so, then determine that the current working environment of off-premises station is the first preset environment;
If not, then determine that the current working environment of off-premises station is the second preset environment;
Described collection air-conditioner outdoor unit automatically controlled preset position temperature is specially when determining that the current working environment of described off-premises station is the first preset environment, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit.
Preferably, describedly determine that the current working environment of off-premises station also comprises before being the first preset environment:
When exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, the difference judging whether to exist in the second preset time period of air-conditioner continuous refrigerating operaton between initial temperature that the environment temperature of current detection and first time detect is greater than the situation of the 4th preset value; Described second preset time period comprises described first preset time period;
If so, then determine that the current working environment of off-premises station is the first preset environment;
If not, then determine that the current working environment of off-premises station is the second preset environment.
In addition, for achieving the above object, the present invention also provides a kind of outdoor fan of air conditioner control device, and described outdoor fan of air conditioner control device comprises:
Temperature collect module, for when air-conditioner refrigerating operaton, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit;
First judge module, for judging whether described preset position temperature is greater than the first preset value;
First control module, for when described preset position temperature is greater than the first preset value, control outdoor fan of air conditioner turns to and becomes second direction rotation from first direction rotation.
Preferably, described outdoor fan of air conditioner control device also comprises:
Second control module, for when described outdoor fan of air conditioner turn to from first direction rotate become second direction rotate before, control described outdoor fan suspend preset time.
Preferably, described outdoor fan of air conditioner control device also comprises:
Second judge module, for turn to when described outdoor fan from first direction rotate become second direction rotate after, judge whether described preset position temperature is less than the second preset value;
3rd control module, for when described preset position temperature is less than the second preset value, controls described outdoor fan and turns to rotate from described second direction and revert to described first direction and rotate.
Preferably, described outdoor fan of air conditioner control device also comprises:
Detection module, for before gathering the automatically controlled preset position temperature of air-conditioner outdoor unit, detects the current environment temperature of off-premises station every preset time;
3rd judge module, for judge whether to exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value;
Determination module, for exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, determine that the current working environment of off-premises station is the first preset environment; Do not exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects when being greater than the 3rd preset value, determine that the current working environment of off-premises station is the second preset environment;
Described temperature collect module, specifically for when determining that the current working environment of described off-premises station is the first preset environment, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit.
Preferably, described outdoor fan of air conditioner control device also comprises:
4th judge module, for when exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, the difference judging whether to exist in the second preset time period of air-conditioner continuous refrigerating operaton between initial temperature that the environment temperature of current detection and first time detect is greater than the situation of the 4th preset value; Described second preset time period comprises described first preset time period;
Described determination module also for, when the difference existed in the second preset time period of air-conditioner continuous refrigerating operaton between the environment temperature of current detection and the first time initial temperature that detects is greater than the situation of the 4th preset value, determine that the current working environment of off-premises station is the first preset environment; When the difference do not existed in the second preset time period of air-conditioner continuous refrigerating operaton between the environment temperature of current detection and the first time initial temperature that detects is greater than the situation of the 4th preset value, determine that the current working environment of off-premises station is the second preset environment.
The embodiment of the present invention, by when air conditioner refrigerating runs, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit; Then judge whether described preset position temperature is greater than the first preset value; If so, control outdoor fan of air conditioner turns to and becomes second direction rotation from first direction rotation.Thus achieve reduction air conditioner outdoor unit electric control box temperature, cooling electric-controlled parts, solve the hot operation of off-premises station electric-controlled parts and be easily burned the problem shortened with service life.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of outdoor fan of air conditioner control method first embodiment of the present invention;
Fig. 2 is air-conditioner outdoor unit assembled inside exemplary plot in outdoor fan of air conditioner control method one embodiment of the present invention;
Fig. 3 is the schematic flow sheet of outdoor fan of air conditioner control method second embodiment of the present invention;
Fig. 4 is the schematic flow sheet of outdoor fan of air conditioner control method the 3rd embodiment of the present invention;
Fig. 5 is the schematic flow sheet of outdoor fan of air conditioner control method the 4th embodiment of the present invention;
Fig. 6 is air-conditioner outdoor unit installation example figure in outdoor fan of air conditioner control method one embodiment of the present invention;
Fig. 7 is the schematic flow sheet that outdoor fan of air conditioner control method the 5th of the present invention is implemented;
Fig. 8 is the functional module structure schematic diagram of outdoor fan of air conditioner control device first embodiment of the present invention;
Fig. 9 is the functional module structure schematic diagram of outdoor fan of air conditioner control device second embodiment of the present invention;
Figure 10 is the functional module structure schematic diagram of outdoor fan of air conditioner control device the 3rd embodiment of the present invention;
Figure 11 is the functional module structure schematic diagram of outdoor fan of air conditioner control device the 4th embodiment of the present invention;
Figure 12 is the functional module structure schematic diagram of outdoor fan of air conditioner control device the 5th embodiment of the present invention;
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of outdoor fan of air conditioner control method.With reference to Fig. 1, in a first embodiment, this outdoor fan of air conditioner control method comprises:
Step S10, air-conditioner running refrigerating pattern;
Outdoor fan of air conditioner control method provided by the invention is mainly used in air-conditioning system, specifically for the outdoor fan control method under air conditioner refrigerating pattern.
Step S20, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit;
In the present embodiment, above-mentioned outdoor machine part part position relations as shown in Figure 2, off-premises station controls automatically controlled 23 in air-conditioner outdoor unit, is positioned at off-premises station wind wheel 21 right back, wherein the automatically controlled heat exchange fin of off-premises station 24 and off-premises station control automatically controlled 21 and are connected, off-premises station wind wheel 21 is positioned on the electric machine support 22 in the middle of off-premises station, and condenser 25 is positioned on the left of off-premises station wind wheel.Above-mentioned automatically controlled preset position can be arranged according to actual needs, such as, can gather automatically controlled major power device position temperature or each electronic control module temperature.The object gathering automatically controlled preset position temperature is the temperature in order to obtain each electric-controlled parts when air conditioner refrigerating runs, thus selects one of them maximum temperature values as now automatically controlled reference temperature, for judging that electric controller temperature provides reference further.The mode of temperature acquisition can by gathering at preset position set temperature sensor.The temperature of the automatically controlled all modules of Real-time Collection is selected in the present embodiment, and using the maximum of the temperature of all modules that detects in real time as now automatically controlled reference temperature.
Step S30, judges whether described preset position temperature is greater than the first preset value; If so, then perform step S40, otherwise continue to perform S30 determining step;
In the present embodiment, above-mentioned first preset value is the fixed numbers be set in advance in air-conditioning program, and the size of the first preset value can be arranged according to actual needs.The automatically controlled preset position maximum temperature be used for detecting in real time contrasts by the first preset value, judges whether the temperature of now electric-controlled parts is too high and electric component may be caused to burn out.Only have when the automatically controlled reference temperature detected in real time is higher than the first preset value, just can control outdoor fan change to turn to, when the automatically controlled reference temperature detected in real time is not higher than preset value, continue to make a decision with maximum temperature value and the first preset value in the preset position temperature detected in real time, the outdoor fan of air conditioner method of operation does not make any change, continues to make a decision with maximum temperature value and the first preset value in the preset position temperature detected in real time.
Step S40, control described outdoor fan turn to from first direction rotate become second direction rotate.
In the present embodiment, when above-mentioned first direction refers to air-conditioner normal refrigerating operaton, outdoor fan rotates forward the direction of outside air-out, above-mentioned second direction refers to and first direction rightabout, i.e. the direction of air draught in counter steer, can by applying turning to of forward voltage and reverse voltage restraint blower fan.When outdoor fan turns to change, when changing inside air draught into from outside air-out, can introduce new wind on front side of air-conditioning, new wind first through electric-controlled box radiating fin, directly can dispel the heat to electric-controlled parts.
The embodiment of the present invention, by when air conditioner refrigerating runs, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit; Then judge whether described preset position temperature is greater than the first preset value; If so, control outdoor fan of air conditioner turns to and becomes second direction rotation from first direction rotation.Thus achieve reduction air conditioner outdoor unit electric control box temperature, cooling electric-controlled parts in time, solve the hot operation of off-premises station electric-controlled parts and be easily burned the problem shortened with service life.
Further, with reference to Fig. 3, based on outdoor fan of air conditioner control method first embodiment of the present invention, in outdoor fan of air conditioner control method second embodiment of the present invention, comprise before above-mentioned steps S40:
Step S50, controls described outdoor fan of air conditioner and suspends preset time.
Preset time described in the present embodiment is the fixed numbers be set in advance in air-conditioning program, the size of preset time can be arranged according to actual needs, such as can be set in 10 seconds, when the automatically controlled preset position maximum temperature then detected in real time is greater than the first preset value, programme-control blower fan suspends 10 seconds, then outdoor fan is turned to from rotating forward air-out run become reversion air draught run.
The present embodiment makes outdoor fan shutdown preset time protect the service life of blower motor before being changed by outdoor fan rotation direction.
Further, with reference to Fig. 4, based on outdoor fan of air conditioner control method above-described embodiment of the present invention, in outdoor fan of air conditioner control method the 3rd embodiment of the present invention, comprise after above-mentioned steps S40:
Step S60, judges whether described preset position temperature is less than the second preset value; If so, then perform step S70, otherwise continue to perform S60 determining step;
Step S70, controls described outdoor fan of air conditioner and turns to rotate from described second direction and revert to described first direction and rotate.
In the present embodiment, above-mentioned second preset value is the fixed numbers be set in advance in air-conditioning program, and the size of the first preset value can be arranged according to actual needs, and the second preset value should be less than the first preset value.The automatically controlled preset position maximum temperature be used for detecting in real time contrasts with arranging by second, judges whether the temperature of now electric-controlled parts reduces.When now electric-controlled parts temperature has been reduced to lower than the second preset value; outdoor fan can be recovered and be changed to rotating forward air-out operation by air draught operation of reversing; the method recovering off-premises station blower fan turning is by applying turning to of forward voltage and reverse voltage restraint blower fan; before recovery off-premises station blower fan turning; motor can be shut down again and then return to original main story air-out operation, it is front consistent that rotating speed and first time change blower fan turning.When electric-controlled parts temperature is not lower than preset value, now outdoor fan is kept to turn to, continue to make a decision with maximum temperature value and the second preset value in the preset position temperature detected in real time, turn to until the automatically controlled preset position maximum temperature detected just recovers outdoor fan lower than the second preset value.
By preset value, the present embodiment judges whether automatically controlled device temperature reduces, and then control outdoor fan recovers to turn to.
Further, with reference to Fig. 5, based on outdoor fan of air conditioner control method above-described embodiment of the present invention, in outdoor fan of air conditioner control method the 4th embodiment of the present invention, comprise before above-mentioned steps S20:
Step S80, detects the current environment temperature of off-premises station every preset time;
Step S90, judge whether to exist in the second preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value; If so, then perform step S100, otherwise perform step S110;
S100, determines that the current working environment of off-premises station is the first preset environment;
S110, determines that the current working environment of off-premises station is the second preset environment;
Above-mentioned steps S20 is specially when determining that the current working environment of described off-premises station is the first preset environment, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit.
In the present embodiment, above-mentioned working environment comprises the first preset environment and the second preset environment, wherein the first preset environment is that off-premises station is arranged on (namely the normal air-out of off-premises station is larger to the ambient temperature effect around off-premises station) in narrow and small environment, installation site generally only has front side for open space in this context, right side, left side and rear side are all closed cement walls, installation site three side seal closes, and have impact on the return air of outer machine; Grid (being grating space as shown in Figure 6) can be set in front side in addition, restricted to the air-out of off-premises station.Second preset environment is spacious environment (namely the normal air-out of off-premises station is less to the environment temperature around off-premises station), is such as directly arranged on outdoor by supporting bracket.Below will for the first preset environment for grating space be described in detail.
Particularly, when off-premises station is arranged in grating space (narrow space), when air conditioner refrigerating runs, the exchange capability of heat of off-premises station and external environment reduces, the temperature caused in grating space is raised, such as, when ambient temperature is 35 DEG C, the temperature in grid can be elevated to about 45 DEG C.After the environment temperature of grating space raises, in order to ensure that automatically controlled device normally works in high temperature environments, device can not be burnt because the temperature of self is too high, control outdoor fan of air conditioner be turned to electric-controlled parts heat radiation, reduce electric-controlled box temperature, cooling electric-controlled parts.
In the embodiment of the present invention, on off-premises station, outdoor environment temperature can be detected by temperature sensor.This temperature sensor can be platinum resistance temperature sensor, also can be the temperature sensor of other metals or type.The time span of above-mentioned preset time can be arranged according to actual needs, such as, can be 1 minute.Namely in the present embodiment at interval of the temperature value of reading temperature sensor detection in a minute, thus the current temperature value of environment is obtained.Judge the intensity of variation of environment temperature according to detected temperature according to preset rule analysis, thus determine the working environment that off-premises station is current.Particularly, under off-premises station is arranged on narrow space, the variations in temperature of space environment is very fast; Under off-premises station is arranged on spacious space, the variations in temperature of space environment is slower.
Be understandable that, in the present embodiment, adopt the intensity of variation of the difference determination environment temperature of the temperature of adjacent twice, in other embodiments, the increment of the temperature gap of continuous three times can also be adopted to judge; The initial temperature that the environment temperature of current detection and first time can also be adopted to detect compares judgement.Particularly, in the present embodiment, the size of above-mentioned 3rd preset value can be arranged according to actual needs, such as, can be 0.5 DEG C.Can will be below 15 minutes with the first Preset Time end, above-mentioned preset time be described in detail for example for 1 minute.
Such as, in one embodiment: can start when starting of air conditioner refrigerating operaton the environment temperature detecting air-conditioner outdoor unit, and detected current environment temperature every 1 minute.After 1 minute, the environment temperature at every turn detected and the last environment temperature detected are compared, whether the difference of both judgements is greater than 0.5 DEG C, when this difference is greater than 0.5 DEG C, then directly can judge that the current working environment of off-premises station is as the first preset environment; When the environment temperature of current detection is less than or equal to 0.5 DEG C with the difference of the last environment temperature detected, (namely whether the time of operation of air conditioner is greater than 15 minutes then to judge whether reach the higher limit of the first preset time period by air-conditioner continuous refrigerating operaton, this value can be judged by the number of times detected), when air-conditioner continuous does not reach the higher limit of the first preset time period running time, continue to detect current environment temperature, trip temperature difference of going forward side by side judges; When air-conditioner continuous does not reach the higher limit of the first preset time period running time, the environment temperature of current detection is still less than or equal to 0.5 DEG C with the last environment temperature detected, then can determine air-conditioner outdoor unit current residing for working environment be the second preset environment.When determining that the working environment residing for off-premises station is the first preset environment, illustrate that air-conditioner outdoor unit operates in small space, now off-premises station radiating effect is bad, in small space, temperature is higher, therefore can gather air-conditioner outdoor machine electric control preset position temperature and judge that whether temperature is too high, and then change the reduction that outdoor fan of air-conditioner turns to electric-controlled box temperature outside promotion air conditioner chamber, keep the normal use of automatically controlled device.
Further, with reference to Fig. 7, based on outdoor fan of air conditioner control method the 4th embodiment of the present invention, in outdoor fan of air conditioner control method the 5th embodiment of the present invention, also comprise before above-mentioned steps S100:
Step S120, when exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, the difference judging whether to exist in the second preset time period of air-conditioner continuous refrigerating operaton between initial temperature that the environment temperature of current detection and first time detect is greater than the situation of the 4th preset value; Described second preset time period comprises described first preset time period; If so, then perform step S100, otherwise perform step S110.
In the present embodiment, the time span of above-mentioned second preset time period can be arranged according to actual needs, as long as be more than or equal to the time span of the first preset time period, such as, in the present embodiment, above-mentioned first preset time period is 15 minutes, and above-mentioned second preset time period is 30 minutes.Particularly, in the present embodiment, the environment temperature arranging the second preset time period restriction current detection compares the time with difference between the first time initial temperature that detects, prevent because ambient temperature changes greatly, affect the comparative result of difference between the environment temperature of current detection and the initial temperature detected for the first time.Such as, when the time span of above-mentioned second preset time period is longer, if the temperature contrast of external environment itself comparatively large (weather variations in temperature is larger), then between the initial temperature that detects of the environment temperature of current detection and first time, difference cannot affect the temperature of the working environment residing for off-premises station because air conditioner refrigerating runs by accurate response.
Particularly, in the present embodiment, when exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, directly judge whether the difference between the environment temperature of current detection and the initial temperature detected for the first time is greater than the 4th preset value (such as 5 DEG C).If so, then determine that the current residing working environment of off-premises station is the first preset environment; If not, then continue to detect the current environment temperature of off-premises station, and the difference between the environment temperature of current detection and the initial temperature detected for the first time and above-mentioned 4th preset value are compared, until the time of air-conditioner continuous refrigerating operaton reaches the higher limit of the second preset time period.When determining that the working environment residing for off-premises station is the first preset environment, illustrate that air-conditioner outdoor unit operates in small space, now off-premises station radiating effect is bad, in small space, temperature is higher, therefore can gather air-conditioner outdoor machine electric control preset position temperature and judge that whether temperature is too high, and then change the reduction that outdoor fan of air-conditioner turns to electric-controlled box temperature outside promotion air conditioner chamber, keep the normal use of automatically controlled device.
Should be noted that, in outdoor fan of air conditioner control method the 4th embodiment of the present invention and the 5th embodiment, whether automatic detection air-conditioning is in the first preset environment, only when entering the first preset environment, just carry out the Reverse Turning Control of outdoor fan, in other embodiments, can also control by arranging of pattern the Reverse Turning Control whether air-conditioning carries out outdoor fan.
The present invention also provides a kind of outdoor fan of air conditioner control device, and with reference to Fig. 8, provide outdoor fan of air conditioner control device first embodiment of the present invention, in this embodiment, outdoor fan of air conditioner control device comprises:
Run module 10, for by air-conditioner running refrigerating pattern;
Outdoor fan of air conditioner control method provided by the invention is mainly used in air-conditioning system, specifically for the outdoor fan control method under air conditioner refrigerating pattern.
Temperature collect module 20, for gathering the automatically controlled preset position temperature of air-conditioner outdoor unit;
In the present embodiment, above-mentioned outdoor machine part part position relations as shown in Figure 2, off-premises station controls automatically controlled 23 in air-conditioner outdoor unit, is positioned at off-premises station wind wheel 21 right back, wherein the automatically controlled heat exchange fin of off-premises station 24 and off-premises station control automatically controlled 21 and are connected, off-premises station wind wheel 21 is positioned on the electric machine support 22 in the middle of off-premises station, and condenser 25 is positioned on the left of off-premises station wind wheel.Above-mentioned automatically controlled preset position can be arranged according to actual needs, such as, can gather automatically controlled major power device position temperature or each electronic control module temperature.The object gathering automatically controlled preset position temperature is the temperature in order to obtain each electric-controlled parts when air conditioner refrigerating runs, thus selects one of them maximum temperature values as now automatically controlled reference temperature, for judging that electric controller temperature provides reference further.The mode of temperature acquisition can by gathering at preset position set temperature sensor.Select in the present embodiment to gather the temperature of automatically controlled all modules, and using the maximum of the temperature of all modules that detects in real time as now automatically controlled reference temperature.
First judge module 30, for judging whether described preset position temperature is greater than the first preset value;
In the present embodiment, above-mentioned first preset value is the fixed numbers be set in advance in air-conditioning program, and the size of the first preset value can be arranged according to actual needs.The automatically controlled preset position maximum temperature be used for detecting in real time contrasts by the first preset value, judges whether the temperature of now electric-controlled parts is too high and electric component may be caused to burn out.Only have when the automatically controlled reference temperature detected in real time is higher than the first preset value, just can control outdoor fan change to turn to, when the automatically controlled reference temperature detected in real time is not higher than preset value, continue to make a decision with maximum temperature value and the first preset value in the preset position temperature detected in real time, the outdoor fan of air conditioner method of operation does not make any change.
First control module 40, for when described preset position temperature is greater than the first preset value, control outdoor fan of air conditioner turns to and becomes second direction rotation from first direction rotation.
In the present embodiment, when above-mentioned first direction refers to air-conditioner normal refrigerating operaton, outdoor fan rotates forward the direction of outside air-out, above-mentioned second direction refers to and first direction rightabout, i.e. the direction of air draught in counter steer, can by applying turning to of forward voltage and reverse voltage restraint blower fan.When outdoor fan turns to change, when changing inside air draught into from outside air-out, can introduce new wind on front side of air-conditioning, new wind first through electric-controlled box radiating fin, directly can dispel the heat to electric-controlled parts.
The present embodiment is by when air conditioner refrigerating runs, detect electronic control module temperature and judge that whether automatically controlled temperature is higher than preset value, when temperature is higher than preset value, change outdoor fan to rotate and change reversion air draught by rotating forward air-out into and rotate and introduce new wind, directly the effect reducing electric-controlled parts temperature is reached to electric-controlled parts heat radiation.
Further, with reference to Fig. 9, based on outdoor fan of air conditioner control device first embodiment of the present invention, in outdoor fan of air conditioner control device second embodiment of the present invention, above-mentioned outdoor fan of air conditioner control device also comprises:
Second control module 50, for when described outdoor fan of air conditioner turn to from first direction rotate become second direction rotate before, control described outdoor fan suspend preset time.
Preset time described in the present embodiment is the fixed numbers be set in advance in air-conditioning program, the size of preset time can be arranged according to actual needs, such as can be set in 10 seconds, when the automatically controlled preset position maximum temperature then detected in real time is greater than the first preset value, programme-control blower fan suspends 10 seconds, then outdoor fan is turned to from rotating forward air-out run become reversion air draught run.
The present embodiment makes outdoor fan shutdown preset time protect the service life of blower motor before being changed by outdoor fan rotation direction.
Further, with reference to Figure 10, based on outdoor fan of air conditioner control device above-described embodiment of the present invention, in outdoor fan of air conditioner control device the 3rd embodiment of the present invention, above-mentioned outdoor fan of air conditioner control device also comprises:
Second judge module 60, for turn to when described outdoor fan from first direction rotate become second direction rotate after, judge whether described preset position temperature is less than the second preset value;
3rd control module 70, for when described preset position temperature is less than the second preset value, controls described outdoor fan and turns to rotate from described second direction and revert to described first direction and rotate.
In the present embodiment, above-mentioned second preset value is the fixed numbers be set in advance in air-conditioning program, and the size of the first preset value can be arranged according to actual needs, and the second preset value should be less than the first preset value.The automatically controlled preset position maximum temperature be used for detecting in real time contrasts with arranging by second, judges whether the temperature of now electric-controlled parts reduces.When now electric-controlled parts temperature has been reduced to lower than the second preset value; outdoor fan can be recovered and be changed to rotating forward air-out operation by air draught operation of reversing; the method recovering off-premises station blower fan turning is by applying turning to of forward voltage and reverse voltage restraint blower fan; before recovery off-premises station blower fan turning; motor can be shut down again and then return to original main story air-out operation, it is front consistent that rotating speed and first time change blower fan turning.When electric-controlled parts temperature is not lower than preset value, now outdoor fan is kept to turn to, continue to make a decision with maximum temperature value and the second preset value in the preset position temperature detected in real time, turn to until the automatically controlled preset position maximum temperature detected just recovers outdoor fan lower than the second preset value.
By preset value, the present embodiment judges whether automatically controlled device temperature reduces, and then control outdoor fan recovers to turn to.
Further, with reference to Figure 11, based on outdoor fan of air conditioner control device above-described embodiment of the present invention, in outdoor fan of air conditioner control device the 4th embodiment of the present invention, above-mentioned outdoor fan of air conditioner control device also comprises:
Detection module 80, for before gathering the automatically controlled preset position temperature of air-conditioner outdoor unit, detects the current environment temperature of off-premises station every preset time;
3rd judge module 90, for judge whether to exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value;
Determination module 100, for exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, determine that the current working environment of off-premises station is the first preset environment; Do not exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects when being greater than the 3rd preset value, determine that the current working environment of off-premises station is the second preset environment;
Described temperature collect module, specifically for when determining that the current working environment of described off-premises station is the first preset environment, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit.
In the present embodiment, above-mentioned working environment comprises the first preset environment and the second preset environment, wherein the first preset environment is that off-premises station is arranged on (namely the normal air-out of off-premises station is larger to the ambient temperature effect around off-premises station) in narrow and small environment, installation site generally only has front side for open space in this context, right side, left side and rear side are all closed cement walls, installation site three side seal closes, and have impact on the return air of outer machine; Grid (being grating space as shown in Figure 6) can be set in front side in addition, restricted to the air-out of off-premises station.Second preset environment is spacious environment (namely the normal air-out of off-premises station is less to the environment temperature around off-premises station), is such as directly arranged on outdoor by supporting bracket.Below will for the first preset environment for grating space be described in detail.
Particularly, when off-premises station is arranged in grating space (narrow space), when air conditioner refrigerating runs, the exchange capability of heat of off-premises station and external environment reduces, the temperature caused in grating space is raised, such as, when ambient temperature is 35 DEG C, the temperature in grid can be elevated to about 45 DEG C.After the environment temperature of grating space raises, in order to ensure that automatically controlled device normally works in high temperature environments, device can not be burnt because the temperature of self is too high, control outdoor fan of air conditioner be turned to electric-controlled parts heat radiation, reduce electric-controlled box temperature, cooling electric-controlled parts.
In the embodiment of the present invention, on off-premises station, outdoor environment temperature can be detected by temperature sensor.This temperature sensor can be platinum resistance temperature sensor, also can be the temperature sensor of other metals or type.The time span of above-mentioned preset time can be arranged according to actual needs, such as, can be 1 minute.Namely in the present embodiment at interval of the temperature value of reading temperature sensor detection in a minute, thus the current temperature value of environment is obtained.Judge the intensity of variation of environment temperature according to detected temperature according to preset rule analysis, thus determine the working environment that off-premises station is current.Particularly, under off-premises station is arranged on narrow space, the variations in temperature of space environment is very fast; Under off-premises station is arranged on spacious space, the variations in temperature of space environment is slower.
Be understandable that, in the present embodiment, adopt the intensity of variation of the difference determination environment temperature of the temperature of adjacent twice, in other embodiments, the increment of the temperature gap of continuous three times can also be adopted to judge; The initial temperature that the environment temperature of current detection and first time can also be adopted to detect compares judgement.Particularly, in the present embodiment, the size of above-mentioned 3rd preset value can be arranged according to actual needs, such as, can be 0.5 DEG C.Can will be below 15 minutes with the first Preset Time end, above-mentioned preset time be described in detail for example for 1 minute.
Such as, in one embodiment: can start when starting of air conditioner refrigerating operaton the environment temperature detecting air-conditioner outdoor unit, and detected current environment temperature every 1 minute.After 1 minute, the environment temperature at every turn detected and the last environment temperature detected are compared, whether the difference of both judgements is greater than 0.5 DEG C, when this difference is greater than 0.5 DEG C, then directly can judge that the current working environment of off-premises station is as the first preset environment; When the environment temperature of current detection is less than or equal to 0.5 DEG C with the difference of the last environment temperature detected, (namely whether the time of operation of air conditioner is greater than 15 minutes then to judge whether reach the higher limit of the first preset time period by air-conditioner continuous refrigerating operaton, this value can be judged by the number of times detected), when air-conditioner continuous does not reach the higher limit of the first preset time period running time, continue to detect current environment temperature, trip temperature difference of going forward side by side judges; When air-conditioner continuous does not reach the higher limit of the first preset time period running time, the environment temperature of current detection is still less than or equal to 0.5 DEG C with the last environment temperature detected, then can determine air-conditioner outdoor unit current residing for working environment be the second preset environment.When determining that the working environment residing for off-premises station is the first preset environment, illustrate that air-conditioner outdoor unit operates in small space, now off-premises station radiating effect is bad, in small space, temperature is higher, therefore can gather air-conditioner outdoor machine electric control preset position temperature and judge that whether temperature is too high, and then change the reduction that outdoor fan of air-conditioner turns to electric-controlled box temperature outside promotion air conditioner chamber, keep the normal use of automatically controlled device.
Further, with reference to Figure 12, based on outdoor fan of air conditioner control device the 4th embodiment of the present invention, in outdoor fan of air conditioner control device the 5th embodiment of the present invention, outdoor fan of air conditioner control device also comprises:
4th judge module 110, for when exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, the difference judging whether to exist in the second preset time period of air-conditioner continuous refrigerating operaton between initial temperature that the environment temperature of current detection and first time detect is greater than the situation of the 4th preset value; Described second preset time period comprises described first preset time period;
Described determination module 100 also for, when the difference existed in the second preset time period of air-conditioner continuous refrigerating operaton between the environment temperature of current detection and the first time initial temperature that detects is greater than the situation of the 4th preset value, determine that the current working environment of off-premises station is the first preset environment; When the difference do not existed in the second preset time period of air-conditioner continuous refrigerating operaton between the environment temperature of current detection and the first time initial temperature that detects is greater than the situation of the 4th preset value, determine that the current working environment of off-premises station is the second preset environment.
In the present embodiment, the time span of above-mentioned second preset time period can be arranged according to actual needs, as long as be more than or equal to the time span of the first preset time period, such as, in the present embodiment, above-mentioned first preset time period is 15 minutes, and above-mentioned second preset time period is 30 minutes.Particularly, in the present embodiment, the environment temperature arranging the second preset time period restriction current detection compares the time with difference between the first time initial temperature that detects, prevent because ambient temperature changes greatly, affect the comparative result of difference between the environment temperature of current detection and the initial temperature detected for the first time.Such as, when the time span of above-mentioned second preset time period is longer, if the temperature contrast of external environment itself comparatively large (weather variations in temperature is larger), then between the initial temperature that detects of the environment temperature of current detection and first time, difference cannot affect the temperature of the working environment residing for off-premises station because air conditioner refrigerating runs by accurate response.
Particularly, in the present embodiment, when exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, directly judge whether the difference between the environment temperature of current detection and the initial temperature detected for the first time is greater than the 4th preset value (such as 5 DEG C).If so, then determine that the current residing working environment of off-premises station is the first preset environment; If not, then continue to detect the current environment temperature of off-premises station, and the difference between the environment temperature of current detection and the initial temperature detected for the first time and above-mentioned 4th preset value are compared, until the time of air-conditioner continuous refrigerating operaton reaches the higher limit of the second preset time period.When determining that the working environment residing for off-premises station is the first preset environment, illustrate that air-conditioner outdoor unit operates in small space, now off-premises station radiating effect is bad, in small space, temperature is higher, therefore can gather air-conditioner outdoor machine electric control preset position temperature and judge that whether temperature is too high, and then change the reduction that outdoor fan of air-conditioner turns to electric-controlled box temperature outside promotion air conditioner chamber, keep the normal use of automatically controlled device.
Should be noted that, in outdoor fan of air conditioner control device the 4th embodiment of the present invention and the 5th embodiment, whether automatic detection air-conditioning is in the first preset environment, only when entering the first preset environment, just carry out the Reverse Turning Control of outdoor fan, in other embodiments, can also control by arranging of pattern the Reverse Turning Control whether air-conditioning carries out outdoor fan.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. an outdoor fan of air conditioner control method, is characterized in that, described outdoor fan of air conditioner control method comprises the following steps:
When air-conditioner refrigerating operaton, gather the automatically controlled preset position temperature of air-conditioner outdoor unit;
Judge whether described preset position temperature is greater than the first preset value;
If so, control outdoor fan of air conditioner turns to and becomes second direction rotation from first direction rotation.
2. outdoor fan of air conditioner control method as claimed in claim 1, is characterized in that, described control outdoor fan of air conditioner turns to and also comprised before first direction rotation becomes second direction rotation:
Control described outdoor fan of air conditioner and suspend preset time.
3. outdoor fan of air conditioner control method as claimed in claim 1, is characterized in that, described control outdoor fan of air conditioner turns to and also comprises after first direction rotation becomes second direction rotation:
Judge whether described preset position temperature is less than the second preset value;
If so, control described outdoor fan of air conditioner to turn to rotate from described second direction and revert to described first direction and rotate.
4. outdoor fan of air conditioner control method as claimed in claim 1, is characterized in that, also comprise before the automatically controlled preset position temperature of described collection air-conditioner outdoor unit:
The current environment temperature of off-premises station is detected every preset time;
Judge whether to exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value;
If so, then determine that the current working environment of off-premises station is the first preset environment;
If not, then determine that the current working environment of off-premises station is the second preset environment;
Described collection air-conditioner outdoor unit automatically controlled preset position temperature is specially when determining that the current working environment of described off-premises station is the first preset environment, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit.
5. fan of outdoor unit of air conditioner control method as claimed in claim 4, is characterized in that, describedly determines that the current working environment of off-premises station also comprises before being the first preset environment:
When exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, the difference judging whether to exist in the second preset time period of air-conditioner continuous refrigerating operaton between initial temperature that the environment temperature of current detection and first time detect is greater than the situation of the 4th preset value; Described second preset time period comprises described first preset time period;
If so, then determine that the current working environment of off-premises station is the first preset environment;
If not, then determine that the current working environment of off-premises station is the second preset environment.
6. an outdoor fan of air conditioner control device, is characterized in that, described outdoor fan of air conditioner control device comprises:
Temperature collect module, for when air-conditioner refrigerating operaton, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit;
First judge module, for judging whether described preset position temperature is greater than the first preset value;
First control module, for when described preset position temperature is greater than the first preset value, control outdoor fan of air conditioner turns to and becomes second direction rotation from first direction rotation.
7. outdoor fan of air conditioner control device as claimed in claim 6, it is characterized in that, described outdoor fan of air conditioner control device also comprises:
Second control module, for when described outdoor fan of air conditioner turn to from first direction rotate become second direction rotate before, control described outdoor fan suspend preset time.
8. outdoor fan of air conditioner control device as claimed in claim 6, it is characterized in that, described outdoor fan of air conditioner control device also comprises:
Second judge module, for turn to when described outdoor fan from first direction rotate become second direction rotate after, judge whether described preset position temperature is less than the second preset value;
3rd control module, for when described preset position temperature is less than the second preset value, controls described outdoor fan and turns to rotate from described second direction and revert to described first direction and rotate.
9. outdoor fan of air conditioner control device as claimed in claim 6, it is characterized in that, described outdoor fan of air conditioner control device also comprises:
Detection module, for before gathering the automatically controlled preset position temperature of air-conditioner outdoor unit, detects the current environment temperature of off-premises station every preset time;
3rd judge module, for judge whether to exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value;
Determination module, for exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, determine that the current working environment of off-premises station is the first preset environment; Do not exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects when being greater than the 3rd preset value, determine that the current working environment of off-premises station is the second preset environment;
Described temperature collect module, specifically for when determining that the current working environment of described off-premises station is the first preset environment, gathers the automatically controlled preset position temperature of air-conditioner outdoor unit.
10. outdoor fan of air conditioner control device as claimed in claim 9, it is characterized in that, outdoor fan of air conditioner control device also comprises:
4th judge module, for when exist in the first preset time period of air-conditioner continuous refrigerating operaton current detection environment temperature and on difference between the environment temperature that once detects be greater than the situation of the 3rd preset value time, the difference judging whether to exist in the second preset time period of air-conditioner continuous refrigerating operaton between initial temperature that the environment temperature of current detection and first time detect is greater than the situation of the 4th preset value; Described second preset time period comprises described first preset time period;
Described determination module also for, when the difference existed in the second preset time period of air-conditioner continuous refrigerating operaton between the environment temperature of current detection and the first time initial temperature that detects is greater than the situation of the 4th preset value, determine that the current working environment of off-premises station is the first preset environment; When the difference do not existed in the second preset time period of air-conditioner continuous refrigerating operaton between the environment temperature of current detection and the first time initial temperature that detects is greater than the situation of the 4th preset value, determine that the current working environment of off-premises station is the second preset environment.
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CN106440224A (en) * 2016-10-13 2017-02-22 珠海格力电器股份有限公司 Control method and control device for air conditioner
CN106524419A (en) * 2016-11-22 2017-03-22 广东美的暖通设备有限公司 Air conditioner control method and air conditioning equipment
CN108006890A (en) * 2017-11-03 2018-05-08 特灵空调系统(中国)有限公司 Air-conditioning heat dissipation control method, air-conditioning heat dissipation control device and air-conditioning
CN108981965A (en) * 2018-06-15 2018-12-11 河南中烟工业有限责任公司 A kind of air-conditioning draught fan vibrating shaft temperature checking method
CN109297101A (en) * 2018-08-21 2019-02-01 珠海格力电器股份有限公司 Air conditioner method for disinfection, system and air conditioner
CN109373531A (en) * 2018-10-09 2019-02-22 广东美的暖通设备有限公司 Air-conditioner set and its detection method, detection device and Cloud Server
CN110529994A (en) * 2019-09-09 2019-12-03 广东美的暖通设备有限公司 Fault determination method, air conditioner and computer readable storage medium
CN111023448A (en) * 2019-10-30 2020-04-17 宁波奥克斯电气股份有限公司 Control method for operation of air conditioner after heating and defrosting

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CN109297101A (en) * 2018-08-21 2019-02-01 珠海格力电器股份有限公司 Air conditioner method for disinfection, system and air conditioner
CN109373531A (en) * 2018-10-09 2019-02-22 广东美的暖通设备有限公司 Air-conditioner set and its detection method, detection device and Cloud Server
CN110529994A (en) * 2019-09-09 2019-12-03 广东美的暖通设备有限公司 Fault determination method, air conditioner and computer readable storage medium
CN111023448A (en) * 2019-10-30 2020-04-17 宁波奥克斯电气股份有限公司 Control method for operation of air conditioner after heating and defrosting

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