CN105091254A - Control device - Google Patents
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- CN105091254A CN105091254A CN201410158206.7A CN201410158206A CN105091254A CN 105091254 A CN105091254 A CN 105091254A CN 201410158206 A CN201410158206 A CN 201410158206A CN 105091254 A CN105091254 A CN 105091254A
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- fan
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- outdoor
- driving
- control device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention provides a control device used to control a refrigeration device with a main fan and an auxiliary fan. The refrigeration device comprises an outdoor unit (20), and a pressurizer fan (32) which is attached on the outdoor unit (20) in order to assist an outdoor fan (25). The outdoor unit is provided with an outdoor heat exchanger, and the outdoor fan (25) which transmits outdoor air to the outdoor heat exchanger, and the number of revolutions of the outdoor fan (25) can be changed. One fan driving degree of a plurality of fan driving degrees of the outdoor fan (25) is determined in advance as a start driving corresponding value which makes the pressurizer fan (32) start driving. According to driving or stop conditions of the pressurizer fan (32), the start driving corresponding value is corrected, so as to restrain increasing of power consumption while obtaining expected air volume.
Description
Technical field
The present invention relates to a kind of control device.
Background technology
In prior art, when refrigerating plant comprises the heat source unit with the main fan that can change revolution, in order to auxiliary main fan is also equipped with the device of auxiliary fan on heat source unit.Such as, patent document 1(JP 2013-50222 publication) in disclosed refrigerating plant, be equivalent to the outdoor fan of main fan and be equivalent to the auxiliary blower of auxiliary fan, driving with same number of revolutions both being become by coordinated signals.
But such as desired when low load operation air quantity is less, sometimes by only making main fan drive the air quantity that can obtain expectation.In this occasion, also make auxiliary fan also drive if not only make main fan drive, likely increase electric power consumption.
Summary of the invention
The object of the invention is to, in the refrigerating plant with main fan and auxiliary fan, providing a kind of control device that power consumption can be suppressed to increase when obtaining the air quantity expected.
Control device is according to a first aspect of the present invention, for controlling to comprise heat source unit and the control device in order to assist main fan to be attached to the refrigerating plant of the auxiliary fan on heat source unit.Heat source unit has heat source side heat exchanger and thermotropism source heat exchanger conveying chamber outer air and can change the main fan of revolution.Control device comprises memory portion and correcting section.Store a revolution indicated value in multiple revolution indicated values of main fan in memory portion in advance, this revolution indicated value as make auxiliary fan start drive start drive respective value.Correcting section, according to the driving of auxiliary fan or stop conditions, corrects and is driven respective value by starting of determining.
In control device according to a first aspect of the present invention, one of storing in advance in memory portion in multiple revolution indicated values of main fan is decided to be starting of making auxiliary fan start to drive and drives respective value, and correcting section corrects according to the driving of auxiliary fan or stop conditions and starts to drive respective value.In this control device, due to correct according to the driving of auxiliary fan or stop conditions in advance by the auxiliary fan that determines start drive respective value, therefore the revolution indicated value starting main fan when driving auxiliary fan changes, and when its result starts to drive auxiliary fan, the air quantity of main fan can change.Therefore, it is possible to correspondence can obtain the situation expecting air quantity by means of only driving main fan when not driving auxiliary fan.
According to this formation, have in the refrigerating plant of main fan and auxiliary fan, the increase of power consumption when can suppress to obtain the air quantity expected.
Control device according to a second aspect of the present invention, in the control device of first aspect, starts to drive in respective value and has the upper limit.
Here, when the air quantity expected is large, and only make mainly to fan compared with the air quantity that drives and obtain and expect, make main fan and auxiliary power consumption when fanning the air quantity linking and obtain and expect be tending towards diminishing.
In control device according to a second aspect of the present invention, start to drive respective value to be provided with the upper limit.Because the air quantity of the larger main fan of revolution indicated value becomes larger, when the air quantity expected is large, the revolution indicated value that main fan is specified also is become large.In this control device, even if the air quantity expected is comparatively large, starts to drive owing to being decided to be in the revolution indicated value of respective value and be provided with the upper limit, so also can start to drive auxiliary fan.Therefore, although be difficult to the large of the air quantity occurring expecting, the situation of auxiliary fan is not used yet.
According to this formation, when obtaining the air quantity expected, the increase because of the power consumption not using auxiliary fan to bring can be suppressed.
Control device according to a third aspect of the present invention, first or second aspect control device in, start to drive in respective value there is lower limit.
Here, the air quantity hour expected, starts to drive the revolution indicated value of respective value little once be decided to be, although can obtain the air quantity of expectation by means of only main fan, sometimes also there will be the situation that auxiliary fan also drives.Now, once make main fan and auxiliary fanning link, and obtain the air quantity expected, and only make mainly to fan compared with the air quantity that drives and obtain and expect, increase electric power consumption sometimes.
In control device according to a third aspect of the present invention, start to drive in respective value and be provided with lower limit.Due to less to the revolution indicated value of main fan, the air quantity of main fan also diminishes, and the air quantity hour expected also diminishes for the appointed revolution indicated value of main fan.In this control device, start to drive owing to being decided to be in the revolution indicated value of respective value and be provided with lower limit, even if start to drive respective value be corrected and bring the air quantity of expectation little, also can not drive auxiliary fan.Therefore, although be also difficult to the air quantity occurring obtaining expectation by means of only main fan, the situation of auxiliary fan is also driven.
According to this formation, when obtaining the air quantity expected, the increase because of the power consumption using auxiliary fan to bring can be suppressed.
Control device according to a fourth aspect of the present invention, in the control device of any one of the present invention's the first to third aspect, within the 1st stipulated time auxiliary fan driving or stop repeat stipulated number time, carry out improving the correction starting to drive respective value.
Here, the driving of auxiliary fan or when to stop in the shorter time interval by repetition, for the air balance for meet the expectation main fan needed for air quantity and auxiliary fan, can think that the air quantity of auxiliary fan is superfluous.
In control device according to a fourth aspect of the present invention, within the 1st stipulated time auxiliary fan driving or stop repeat stipulated number time, carry out improving the correction starting to drive respective value.By carrying out this correction, the revolution indicated value of main fan when starting to drive auxiliary fan changes to the revolution indicated value larger than the revolution indicated value before correcting.Its result, even if main fan drives according to starting the revolution indicated value before driving respective value to correct, auxiliary fan also can not start to drive.Therefore, for the air balance for meet the expectation main fan needed for air quantity and auxiliary fan, when the air quantity of auxiliary fan becomes surplus, be difficult to start to drive auxiliary fan.
According to this formation, the possibility starting to drive auxiliary fan when not needing the air quantity of auxiliary fan can be reduced in.
Control device according to a fifth aspect of the present invention, in the control device of any one in the present invention first to fourth, when main fan was driven past for the 2nd stipulated time according to the revolution indicated value of the revolution indicated value lower than regulation, carry out reducing the correction driving and start respective value.
Here, when the air quantity expected is not little, the power consumption during air quantity that main fan and auxiliary fan interlock acquisition are expected, is less than the power consumption during air quantity only making main fan acquisition expect.
In control device according to a fifth aspect of the present invention, when main fan was driven past for the 2nd stipulated time according to the revolution indicated value of the revolution indicated value lower than regulation, carry out reducing the correction driving and start respective value.By carrying out this correction, start to drive the revolution indicated value corresponding to main fan during auxiliary fan to change to the revolution indicated value less than the revolution indicated value before correcting.Its result, once main fan drives according to starting the revolution indicated value before driving respective value to correct, then starts to drive auxiliary fan.Therefore, when the air quantity expected is not little, owing to starting to drive auxiliary fan, there will not be the situation not using auxiliary fan.
According to this formation, when obtaining the air quantity expected, the increase because of the power consumption not using auxiliary fan to bring can be suppressed.
Control device according to a sixth aspect of the present invention, the present invention first to the 5th in any one control device in, when starting to drive main fan, according to based on outside air temperature value by the revolution indicated value to main fan determined, control driving or the stopping of auxiliary fan.
Here, certain relation is had between air conditioner load and outside air temperature.Therefore, by determining based on outside air temperature easily to adjust the air quantity adapting to air conditioner load by the air quantity that thermotropism source heat exchanger provides, namely, the air quantity expected.
In control device according to a sixth aspect of the present invention, according to based on outside air temperature value by the revolution indicated value to main fan determined, control driving or the stopping of auxiliary fan.Therefore, driving or the stopping of auxiliary fan indirectly can be determined according to the temperature value of outdoor air.
According to this formation, easily air quantity is adjusted to the air quantity adapting to air conditioner load.
Control device according to a seventh aspect of the present invention, the present invention first to the 6th in any one control device in, also comprise the stopping driving respective value being decided to be in advance and making auxiliary fan stop driving in multiple revolution indicated value, this stopping drives respective value and starts to drive respective value to be different values.In this control device, start to drive the revolution indicated value of respective value to stop the revolution indicated value driving respective value different from being decided to be in advance owing to being decided to be in advance, can suppress because waving appears in the driving of auxiliary fan or stopping.
Invention effect
Control device according to a first aspect of the present invention, in the refrigerating plant with main fan and auxiliary fan, can suppress the increase obtaining power consumption when expecting air quantity.
In control device according to a second aspect of the present invention, the increase because not using auxiliary fan to cause power consumption when obtaining the air quantity expected can be suppressed.
In control device according to a third aspect of the present invention, the increase because using auxiliary fan to cause power consumption when obtaining the air quantity expected can be suppressed.
In control device according to a fourth aspect of the present invention, when obtaining the air quantity expected, although the air quantity not needing auxiliary fan can be reduced, also start the possibility driving auxiliary fan.
In control device according to a fifth aspect of the present invention, the increase because not using auxiliary fan to cause power consumption when obtaining the air quantity expected can be suppressed.。
In control device according to a sixth aspect of the present invention, easily air quantity can be adjusted to and adapt to air conditioner load air quantity.
In control device according to a seventh aspect of the present invention, can suppress to occur waving because of the driving of auxiliary fan or stopping.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of heat power supply device;
Fig. 2 is the control module figure of the control device that conditioner comprises;
Fig. 3 is the graph of a relation representing the fans drive degree of outdoor fan and the air quantity/static pressure of outdoor fan;
Fig. 4 is the graph of a relation representing the fans drive degree of outdoor fan and the air quantity/static pressure of outdoor fan and force(d) (draft) fan;
(symbol description)
20 outdoor units (heat source unit)
25 outdoor fans (main fan)
32 force(d) (draft) fans (auxiliary fan)
60 control device
Detailed description of the invention
Below, by reference to the accompanying drawings the control device 60 relating to one embodiment of the invention is described.In addition, relate to the embodiment of control device 60 of the present invention, be not limited to embodiment described below, can various change be carried out in the scope not departing from technological thought of the present invention.
(1) structure of control device 60
Fig. 1 is the figure observing heat power supply device 10 from the side.Fig. 2 is the control module figure of the control device 60 that conditioner comprises.The control device 60 relating to one embodiment of the invention is the control device 60 for the refrigerating plant controlling to comprise heat source unit, set up auxiliary fan on heat source unit.Refrigerating plant is, such as, by carrying out steam compression type refrigeration cycle operation, for providing the conditioner of refrigeration and heating to the indoor of the buildings such as mansion.Conditioner is that the indoor unit (not shown) connecting heat power supply device 10 and the indoor that are arranged on the buildings such as mansion as range site by tube connector (not shown) forms.And control device 60 is by the heat source side control part 62 of heat power supply device 10, the utilizing side control part 61, connect heat source side control part 62 and utilize the transmission line between side control part 61 to form of indoor unit, and controls the running of conditioner entirety.
Below, first heat power supply device 10 is described.
(2) structure of heat power supply device 10
Heat power supply device 10 comprises outdoor unit 20, duct member 40, the fan unit 30 with the force(d) (draft) fan 32 as auxiliary fan, heat source side control part 62 as heat source unit.
(2-1) outdoor unit 20
The outdoor unit 20 of the present embodiment is arranged in building.Outdoor unit 20, comprises shell 21, compressor 22, four-port conversion value 23, the expansion valve 24 as expansion mechanism, the outdoor heat converter (not shown) as heat source side heat exchanger, outdoor fan 25 as main fan.And compressor 22, four-port conversion value 23, expansion valve 24, outdoor heat converter and outdoor fan 25 are disposed in shell 21.
Shell 21 such as has rectangular shape, its side is provided with the suction inlet 21a for being sucked by outdoor air in shell 21.Suction inlet 21a configures, so that suction chamber outer air in opposite directions with the ventilating opening such as being communicated with building outside and inner.And, the setting unit 21c be provided with above for setting up fan unit 30 of shell 21.Setting unit 21c is provided with the blow-off outlet 21b of opening upward.
In addition, electric part box 26 is contained in shell 21.And heat source side control part 62 is configured in electric part box 26.
Compressor 22 is the compressors that can change running capacity, is compressed in the cold-producing medium of flowing in refrigerant loop.Four-port conversion value 23 is valves of the flow direction for switching cold-producing medium, when cooling operation, in order to make outdoor heat converter play effect as condenser, and making indoor heat converter play effect as evaporimeter, switching the flow direction of refrigerant loop inner refrigerant.And when warming operation, four-port conversion value 23 plays effect in order to make indoor heat converter as condenser, and makes outdoor heat converter play effect as evaporimeter, switch the flow direction of refrigerant loop inner refrigerant.Outdoor heat converter, by carrying out heat exchange with the air sent here by outdoor fan 25, playing effect as condenser during cooling operation, playing effect during warming operation as evaporimeter.Expansion valve 24 is pressure and flow etc. in order to adjust the cold-producing medium flowed in refrigerant loop, the electric expansion valve be connected with the hydraulic fluid side of outdoor heat converter.
Outdoor fan 25 is can to the fan of outdoor heat converter conveying chamber outer air by rotating.More specifically, outdoor fan 25 from suction inlet 21a to suction chamber outer air in shell 21, and makes after it carries out heat exchange with cold-producing medium in outdoor heat converter, to be blowed to shell 21 by the air of heat exchange from blow-off outlet 21b.And outdoor fan 25 can be changed the fan of the Frequency Converter Control of the air air quantity provided to outdoor heat converter, adopt propeller fan in the present embodiment.
Outdoor fan 25 mainly comprises outdoor fan motor 25m, the wheel hub 25a be arranged on the rotating shaft of outdoor fan motor 25m, the multiple blade 25b be configured on wheel hub 25a periphery.Outdoor fan motor 25m is connected with the outdoor fan motor drive division 64 with heat source side control part 62.Outdoor fan motor drive division 64, by providing or cutting off electric power, makes outdoor fan motor 25m drive, or makes outdoor fan motor 25m stop driving.And outdoor fan motor drive division 64, according to the appointment revolution control signal received from the fan control portion 63 with heat source side control part 62, provides electric power to make outdoor fan motor 25m drive with appointed revolution.Further, outdoor fan motor drive division 64, once accept the signal stopping drive chamber's external fan from fan control portion 63, then stops providing electric power to outdoor fan motor 25m.
(2-2) duct member 40
Duct member 40 is pipelines of the air to outdoor guiding unit 20 side blowout outdoor.As duct member 40, according to the parts arranging the employing different lengths such as environment or shape of outdoor unit 20.
The end side of duct member 40 is provided with exhaust outlet 41.In duct member 40, exhaust outlet 41 is air outlet slits of unit 20 side blowout outdoor.And the exhaust outlet 41 of duct member 40 is arranged to relative with ventilation shutter 80.In addition, arranging near exhaust outlet 41 can the wind shelves (not shown) of opening and closing exhaust outlet 41, and it can be made to become following structure, namely, shut down conditioner time close and the outdoor exhaust outlet 41 be communicated with.
Another side of duct member 40 is provided with air entry 42.In duct member 40, air entry 42 is air intakes of unit 20 side blowout outdoor.And duct member 40 is connected with fan unit 30, flow into air entry 42 to make the air of unit 20 side blowout outdoor.
(2-3) fan unit 30
Fan unit 30 is the deficiency in draughts in order to supplement the outdoor fan 25 caused because of the pressure loss in duct member 40, adds between unit 20 disposed in the outdoor and duct member 40.Fan unit 30 comprises fan hub 31, force(d) (draft) fan 32.
Fan hub 31, such as, have rectangular shape, and its inside accommodates force(d) (draft) fan 31.Top side open communication 31a is formed on fan hub 31.Duct member 40 is fixed on above fan hub 31, to make air entry 42 and top side open communication 31a in opposite directions.Below fan hub 31, be formed with following side open communication 31b.Be fixed on the setting unit 21c of shell 21 below fan hub 31, to make following side open communication 31b and blow-off outlet 21b in opposite directions.
Force(d) (draft) fan 32 has the effect by carrying out rotating ancillary chamber external fan 25.Namely, so-called constant-speed fan in addition, force(d) (draft) fan 32 is the fixing fans of revolution, adopts propeller fan in the present embodiment.
And force(d) (draft) fan 32 mainly comprises force(d) (draft) fan motor 32m, the wheel hub 32a be arranged on the rotating shaft of force(d) (draft) fan motor 32m, the multiple blade 32b be disposed on the periphery of wheel hub 32a.Force(d) (draft) fan motor 32m is connected with force(d) (draft) fan motor driving part 65.Force(d) (draft) fan motor driving part 65 is disposed in the electric part box (not shown) that is configured in fan hub 31.Increase fan electromotor drive division 65, by providing or cutting off electric power, force(d) (draft) fan motor 32m is driven, or make force(d) (draft) fan motor 32m stop driving.And when setting up fan unit 30 on outdoor unit 20, the force(d) (draft) fan motor driving part 65 of the present embodiment is connected with heat source side control part 62.Further, force(d) (draft) fan motor driving part 65 receives driving or stop signal from the fan control portion 63 with heat source side control part 62, provide electric power to drive to make force(d) (draft) fan motor 32m, or stops providing electric power to force(d) (draft) fan motor 32m.
According to this formation, as the air stream in heat power supply device 10, once drive outdoor fan motor 25m, by the rotation of blade 25b, outdoor air is drawn in shell 21 from suction inlet 21a by ventilating opening.The outdoor air be inhaled into blows out from blow-off outlet 21b after carrying out heat exchange by outdoor heat converter.Now, force(d) (draft) fan motor 32m is driven, and passes through the rotation of blade 32b, and the air of discharging from blow-off outlet 21b is inhaled in fan hub 31, passes through ventilation shutter 80 to outdoor discharge by duct member 40 from the exhaust outlet 41 of duct member 40.Certainly, even if do not drive force(d) (draft) fan motor 32m, by driving outdoor fan motor 25m, to suck and after being provided to outdoor heat converter from suction inlet 21a, from the outdoor air that blow-off outlet 21b blows out, pass through ventilation shutter 80 discharged to outdoor by duct member 40 from the exhaust outlet 41 of duct member 40.
In addition, although the force(d) (draft) fan motor driving part 65 of the present embodiment, accept to drive or stop signal from the fan control portion 63 with heat source side control part 62, there is provided to force(d) (draft) fan motor 32m/stop and electric power is provided, but be not limited only to this, fan unit 30 also can comprise the driving of generation force(d) (draft) fan motor driving part 65 or the control part of stop signal independently.And in the present embodiment, outdoor unit 20 has different power supplys respectively from fan unit 30.Certainly be not limited to this structure, also can adopt by power supply unit 20 difference and supply fan unit 30 outdoor.
(2-4) heat source side control part 62
The electric part box 26 that heat source side control part 62 is disposed in outdoor unit 20 is inner.Heat source side control part 62 has CPU and memory etc., the action of the various machines that control of heat source device 10 has.
(3) concrete structure of heat source side control part 62
Below, by reference to the accompanying drawings heat source side control part 62 is described in detail.Heat source side control part 62 is connected with compressor 22, four-port conversion value 23, expansion valve 24, outdoor fan motor 25m, force(d) (draft) fan motor driving part 65 and various sensor.Outside air temperature sensor 90, suction pressure sensor 92, discharge pressure sensor 91 is comprised in various sensor.Outside air temperature sensor 90 detects the sensor needed for outside air temperature around outdoor unit 20, is arranged near suction inlet 21a.Suction pressure sensor 92 detects the sensor needed for suction pressure of compressor 22, between the suction side being arranged on four-port conversion value 23 and compressor 22 in refrigerant loop.Discharge pressure sensor 91 detects the sensor needed for blowdown presssure of compressor 22, between the waste side being arranged on four-port conversion value 23 and compressor 22 in refrigerant loop.And heat source side control part 62 comprises fan control portion 63.
The action of fan control portion 63 control room external fan 25 and force(d) (draft) fan 32.Specifically, fan control portion 63 carries to outdoor fan motor drive division 64 and specifies revolution control signal, and to make outdoor fan 25 drive, wherein, described appointment revolution control signal is the signal that outdoor fan 25m is driven to specify revolution.And fan control portion 63 carries the signal stopping drive chamber's external fan to outdoor fan motor drive division 64, stop driving to make outdoor fan 25, wherein, the signal of described stopping drive chamber external fan makes outdoor fan motor 25m stop the signal driving.Also have, fan control portion 63 carries driving or the stop signal of force(d) (draft) fan 32 to force(d) (draft) fan motor driving part 65, namely, start drive the signal of force(d) (draft) fan and stop the signal of driving force(d) (draft) fan, to make force(d) (draft) fan 32 drive, or make force(d) (draft) fan 32 stop driving.
In addition, when each signal carried to outdoor fan motor drive division 64 and/or force(d) (draft) fan motor driving part 65 is identical with the signal that last time carries, this signal can not be sent to outdoor fan motor drive division 64 and/or force(d) (draft) fan motor driving part 65 from fan control portion 63 yet.And fan control portion 63, has acquisition unit 63a, memory portion 63b, judging part 63c, signal generating unit 63d.
(3-1) acquisition unit 63a
When user shuts down instruction via the input such as remote controller (not shown), signal generating unit 63d is sent in the acquisition unit 63a instruction that will shut down.And, when user imports instruction via remote controller input running, while acquisition unit 63a obtains the present outside air temperature detected by outdoor air sensor 90, outside air temperature running being imported instruction and acquisition is sent to judging part 63c as the temperature value of outdoor air.
In addition, acquisition unit 63a obtains every the stipulated time and is inhaled into suction pressure that pressure sensor 92 detects and is discharged the blowdown presssure that pressure sensor 91 detects, and the suction pressure of acquisition and blowdown presssure are sent to judging part 63c.
(3-2) memory portion 63b
Fig. 3 is the graph of a relation representing the fans drive degree of outdoor fan 25 and the air quantity/static pressure of outdoor fan 25.Fig. 4 is the graph of a relation representing the fans drive degree of outdoor fan 25 and the air quantity/static pressure of outdoor fan 25 and force(d) (draft) fan 32.
Memory portion 63b stores tachometer (not shown) in advance.Tachometer represents the revolution of the outdoor fan motor 25 of each driving degree defined of the multiple fans drive degree for outdoor fan 25.Judging part 63c, specifies fans drive degree by referring to the tachometer of memory in memory portion 63b.In addition, the fans drive degree of the present embodiment has 0 to 11, and is periodically set, and to make " 0 " for stopping, " 1 " is minimum revolution, and " 11 " are maximum revolution.
And memory portion 63b is by a fans drive degree in multiple fans drive degree of outdoor fan 25, and starting of starting as making force(d) (draft) fan 32 to drive drives respective value to store in advance.Further, memory portion 63b, by multiple fans drive degree of outdoor fan 25, as a fans drive degree outside the fans drive degree starting to drive respective value to store in advance, stops the stopping driving to drive respective value to store in advance as making force(d) (draft) fan 32.In addition, in the present embodiment, fans drive degree " 6 " is as starting to drive respective value to be determined in advance, and fans drive degree " 3 " drives respective value to be determined in advance as stopping.
And 63b memory in memory portion is judged the fans drive degree of the outdoor fan 25 that portion 63c specifies.Further, by judging part 63c correct start to drive respective value time, memory portion 63b also remembers the most NEW BEGINNING be corrected and drives respective value.
(3-3) judging part 63c
Once, judging part 63c receives from acquisition unit 63a the temperature value that running imports instruction and outdoor air, then according to the temperature value of the outdoor air received from acquisition unit 63a, judge fans drive degree when starting drive chamber's external fan 25, and specify the fans drive degree judged.In addition, the judging part 63c of the present embodiment, according to temperature value and the working order of outdoor air, specifies fans drive degree when starting drive chamber's external fan 25.Specifically, outside air temperature is more than 20 degree, and when the running of input cooling operation imports instruction, fans drive degree is judged as " 6 " by judging part 63c, and is specified.On the other hand, outside air temperature is lower than 20 degree, and when the running of input cooling operation imports instruction, fans drive degree is judged as " 1 " by judging part 63c, and is specified.And outside air temperature is lower than 20 degree, and when the running of input warming operation imports instruction, fans drive degree is judged as " 11 " by judging part 63c, and is specified.On the other hand, outside air temperature is more than 20 degree, and when the running of input warming operation imports instruction, fans drive degree is judged as " 1 " by judging part 63c, and is specified.
And judging part 63c, according to operating load, judges to start the fans drive degree driving rear outdoor wind fan 25, and specifies the fans drive degree judged.In the present embodiment, judging part 63c, according to the refrigerant pressure of compressor 22, judges the fans drive degree starting the outdoor fan 25 after driving, and specifies the fans drive degree judged.Specifically, judging part 63c judges and specifies the fans drive degree of outdoor fan 25, with the desired value making the suction pressure that transports from acquisition unit 63a and blowdown presssure reach institute's phase respectively.In addition, in the present embodiment, the fans drive degree that judging part 63c judges makes the suction pressure that transports from acquisition unit 63a and blowdown presssure reach the desired value of institute's phase respectively.But it is poor that the fans drive degree that judging part 63c judges also can make the pressure differential of suction pressure and the blowdown presssure transported from acquisition unit 63a reach the goal pressure of institute's phase.
Further, judging part 63c drives respective value to judge whether to be necessary to drive force(d) (draft) fan 32 according to starting.Namely, judging part 63c drives respective value and the fans drive degree of the outdoor fan 25 of specifying according to starting of remembering in memory portion 63b, and judges driving or the stopping of force(d) (draft) fan 32.
Specifically, once judging part 63c receives running from acquisition unit 63a import instruction, what memory portion 63b stored more in advance start drives the fans drive degree of respective value and the outdoor fan 25 of specifying.And the fans drive degree of the outdoor fan 25 of specifying is greater than as when starting to drive respective value to be spent by the driving of the fans drive degree (being " 6 " in the present embodiment) determined in advance, and judging part 63c is judged as being necessary to drive force(d) (draft) fan 32.Namely, in the present embodiment, when specifying " 6 " or " 11 " to spend as the fans drive of the outdoor fan 25 started when driving, judging part 63c is judged as being necessary driving force(d) (draft) fan 32.On the other hand, the fans drive degree of the outdoor fan 25 of specifying is less than as when starting to drive respective value to be spent by the driving of the fans drive degree (being " 6 " in the present embodiment) determined in advance, and judging part 63c is judged as not needing to drive force(d) (draft) fan 32.Namely, in the present embodiment, when specifying " 1 " to spend as the fans drive of the outdoor fan 25 started when driving, judging part 63c is judged as not needing driving force(d) (draft) fan 32.
And, when conditioner starts running, after judging part 63c judges whether to be necessary to drive force(d) (draft) fan 32, between conditioner on-stream period, judge whether to be necessary to drive force(d) (draft) fan 32 always.
Such as, conditioner operates, and when driving force(d) (draft) fan 32, judging part 63c compares the fans drive degree of memory portion 63b the stopping driving respective value stored in advance and the outdoor fan 25 of specifying.And, the fans drive degree of the outdoor fan 25 of specifying be greater than as stop driving respective value in advance by determine fans drive degree (in the present embodiment for " 3 ") time, judging part 63c is judged as being necessary to drive force(d) (draft) fan 32.Namely, in the present embodiment, when the fans drive degree as outdoor fan 25 specifies any one fans drive between " 4 " to " 11 " to spend, judging part 63c is judged as being necessary to drive force(d) (draft) fan 32.On the other hand, the fans drive degree of the outdoor fan 25 of specifying be less than as stop driving respective value in advance by determine fans drive degree (being " 3 " in the present embodiment) time, judging part 63c is judged as not needing to drive force(d) (draft) fan 32.Namely, in the present embodiment, when the fans drive degree as outdoor fan 25 specifies any one fans drive between " 0 " to " 3 " to spend, judging part 63c is judged as not needing to drive force(d) (draft) fan 32.
And such as conditioner is in running, and when not driving force(d) (draft) fan 32, judging part 63c compares the fans drive degree that starting of remembering in memory portion 63b drives respective value and the outdoor fan 25 of specifying.Further, the fans drive degree of the outdoor fan 25 of specifying be greater than store in memory portion 63b and as when starting to drive respective value to be spent by the fans drive determined, judging part 63c is judged as being necessary driving force(d) (draft) fan 32.On the other hand, the fans drive degree of the outdoor fan 25 of specifying be less than store in memory portion 63b and as when starting to drive respective value to be spent by the fans drive determined, judging part 63c is judged as not needing driving force(d) (draft) fan 32.
Further, judging part 63c, according to the driving of force(d) (draft) fan 32 or stop conditions, corrects and is driven respective value by starting of determining.More specifically, the driving of force(d) (draft) fan 32 or stop in the 1st stipulated time when repeating stipulated number, judging part 63c corrects and starts to drive respective value.In the present embodiment, using when being appointed as the fans drive degree " 6 " of outdoor fan 25 and " 3 " stipulated number (such as, 1 time) that replace in the 1st stipulated time (such as, 10 minutes), judging part 63c carries out improving the correction starting to drive respective value.More specifically, in the present embodiment, in the 1st stipulated time the fans drive degree of outdoor fan 25 be appointed as " 6 ", " 3 ", " 6 " order time, judging part 63c carries out improving the correction starting to drive respective value.And, carrying out improving the timing starting to drive respective value, also can the driving degree ground raising of a driving degree driving respective value by the fans drive degree determined as starting.Namely, also can be designed to, present when starting to drive respective value to be decided to be fans drive degree " 6 ", by carrying out this correction, make to start to drive respective value to become fans drive degree " 7 " from present fans drive degree " 6 ".In addition, also can arrange the upper limit being decided to be to start to drive in the fans drive degree of respective value, in the present embodiment, carry out improving the timing starting to drive respective value, fans drive degree is decided to be and starts to drive respective value in " 8 " following scope.
And outdoor fan 25 is under the state of the fans drive degree lower than regulation, and when being driven past for the 2nd stipulated time, judging part 63c corrects and starts to drive respective value.In addition, in the present embodiment, in the running of conditioner, specify when spending more than the 2nd stipulated time (being such as 20 minutes), the fans drive that is less than " 6 " as the fans drive degree of outdoor fan 25, judging part 63c carries out reducing the correction starting to drive respective value.And carry out reduction when starting to drive respective value, as starting to drive respective value, appointed fans drive degree also can reduce a driving degree driving degree.Namely, also can be designed to, present when starting to drive respective value to be decided to be fans drive degree " 7 ", by carrying out this correction, make to start to drive respective value to become fans drive degree " 6 " from present fans drive degree " 7 ".
In addition, be decided to be to start to drive in the fans drive degree of respective value and also can arrange lower limit, in the present embodiment, carry out reducing the timing starting to drive respective value, fans drive degree is decided to be and starts to drive respective value in the scope being greater than " 6 ".
Further, carry out timing, judging part 63c drives respective value to judge whether to be necessary to drive force(d) (draft) fan 32 according to starting after correction.Specifically, starting after judging part 63c compares the correction that memory portion 63b remembers drives respective value and the fans drive degree of outdoor fan 25 of specifying.And, when the fans drive degree of the outdoor fan 25 of specifying be greater than as after correcting start to drive respective value to be spent by the driving of the fans drive degree determined time, judging part 63c judges to need to drive force(d) (draft) fan 32.In addition, when driving force(d) (draft) fan 32, even drive respective value to carry out timing to starting, till being designated lower than the fans drive degree being decided to be the fans drive degree stopping driving respective value, being also judged as and needing to drive force(d) (draft) fan 32.
In addition, in judging part 63c, such as, carry out the judgement the need of driving force(d) (draft) fan 32 every the stipulated time.And, also can be designed to, under the state of carrying out defrosting running, when stopping outdoor fan 25 and force(d) (draft) fan 32, the stopping of force(d) (draft) fan 32 during defrosting running be driven, starts to drive the timing of respective value not calculated carrying out improving.
(3-4) signal generating unit 63d
Signal generating unit 63d, once receive the judged result from judging part 63c or the instruction from acquisition unit 63a, then generates control signal, and exports to fan control part 63.Specifically, signal generating unit 63d, once receive from acquisition unit 63a the instruction that shuts down, then generates the signal of the signal stopping drive chamber's external fan and stopping driving force(d) (draft) fan, and exports this signal generated to fan control part 63.And, signal generating unit 63d, once receive the judged result from judging part 63c, then the revolution generating outdoor fan motor 25m becomes the appointment revolution control signal of the fans drive degree that judging part 63d specifies, and exports this signal generated to fan control part 63.
Further, signal generating unit 63d, once receive the result of determination needing to drive force(d) (draft) fan 32 from judging part 63c, then generates and starts to drive force(d) (draft) fan signal, and export this signal generated to fan control part 63.And signal generating unit 63d, once receive the result of determination not needing to drive force(d) (draft) fan 32 from judging part 63c, then generates and stops driving force(d) (draft) fan signal, and export this signal generated to fan control part 63.
(4) feature
（4-1）
The fan that can change revolution is adopted as main fan, the constant-speed fan than the fan cheapness that can change revolution is adopted as auxiliary fan, when making main fan and auxiliary fan coordinated signals, even if reduce the revolution of main fan and reduce air quantity, because the adjusting range of air quantity/static pressure is defined, sometimes air quantity cannot be adjusted to lower than regulation air quantity.Such as, if in the present embodiment, outdoor fan 25 and force(d) (draft) fan 32 are linked, even if the fans drive degree of outdoor fan 25 is reduced to " 3 " from " 6 " as shown in Figure 4, due to the static pressure lower than force(d) (draft) fan 32 cannot be reduced to, when the fans drive degree of outdoor fan 25 is in " 3 " scope to " 6 ", the total blast volume produced by outdoor fan 25 and force(d) (draft) fan 32, the air quantity of outdoor fan 25 when can become fans drive degree " 6 " and the air quantity sum of force(d) (draft) fan 32.As mentioned above, once air quantity, particularly low load operation cannot be adjusted, sometimes cannot the corresponding air quantity being applicable to air conditioner load.
, the air quantity expected when low load operation etc. is less, although by only driving main fan can obtain the air quantity of expectation, but, once the fans drive degree driving respective value to be fixed to regulation, the different air quantity according to main fan can drive auxiliary fan, and can increase electric power consumption sometimes as a whole.
So, in the present embodiment, according to driving or the stop conditions of force(d) (draft) fan 32, correct and driven respective value by starting of determining in advance.By carrying out this correction, can change when starting to drive force(d) (draft) fan 32 to the fans drive degree of outdoor fan 25, therefore, when starting to drive force(d) (draft) fan 32, the air quantity of outdoor fan 25 can change.Therefore, can adapting to not make force(d) (draft) fan 32 drive, driving the occasion that can obtain the air quantity of expectation by means of only making outdoor fan 25.
According to this formation, have in the refrigerating plant of outdoor fan 25 and force(d) (draft) fan 32, the increase of power consumption when can suppress to obtain the air quantity expected.
And, due to by adopting force(d) (draft) fan 32, the air quantity being supplied to outdoor heat converter can be increased, while performance can be made to improve, the temperature range that can use can be expanded.Further, fan unit 30 can be utilized as the kit needed for the performance improving heat power supply device 10.
（4-2）
Here, when the air quantity expected is large, compared with the air quantity only making outdoor fan 25 drive to obtain and expect, make outdoor fan 25 and force(d) (draft) fan 32 link the air quantity obtaining and expect time power consumption be tending towards diminishing.
In the present embodiment, because fans drive degree is larger, the revolution of outdoor fan motor 25m is higher, and the air quantity produced by outdoor fan 25 is larger.Therefore, when the air quantity expected is large, appointed fans drive degree becomes large.And, started to drive in respective value be set with the upper limit by what determine.Therefore, start to drive respective value even if correct, can start when the air quantity expected is large to drive force(d) (draft) fan 32.Therefore, although be difficult to the large of the air quantity occurring expecting, the situation of force(d) (draft) fan 32 is not used yet.
According to this formation, when obtaining the air quantity expected, the increase because not using force(d) (draft) fan 32 to cause power consumption can be suppressed.
（4-3）
Here, the air quantity hour expected, starts to drive the fans drive degree of respective value little once be decided to be, although can obtain the air quantity of expectation by means of only outdoor fan 25, becomes the situation that force(d) (draft) fan 32 also drives sometimes.Now, once make outdoor fan 25 and force(d) (draft) fan 32 drive the air quantity obtaining and expect, compared with obtaining with only drive chamber's external fan 25 air quantity expected, power consumption sometimes can become large.
In the present embodiment, because fans drive degree is less, the motor 25m revolution of outdoor fan is lower, and the air quantity produced by outdoor fan 25 is diminished.Therefore, the air quantity hour appointed fans drive degree expected diminishes.And, be decided to be to start to drive in the fans drive degree of respective value and be provided with lower limit.Therefore, start to drive respective value even if correct, the air quantity hour expected also can not start to drive force(d) (draft) fan 32.Therefore, although be difficult to the air quantity occurring obtaining expectation by means of only outdoor fan 25, the situation of force(d) (draft) fan 32 is also driven.
According to this formation, when obtaining the air quantity expected, the increase because using force(d) (draft) fan 32 to cause power consumption can be suppressed.
（4-4）
, when the driving of force(d) (draft) fan 32 or stop at repeated in the shorter time interval, can think that the air quantity of force(d) (draft) fan 32 is superfluous concerning the angle expecting the outdoor fan 25 of air quantity and the air balance of force(d) (draft) fan 32.
In the present embodiment, the driving of force(d) (draft) fan 32 or stop in the 1st stipulated time when repeating stipulated number, carries out improving the correction starting to drive respective value.By carrying out this correction, the fans drive degree starting the outdoor fan 25 when driving force(d) (draft) fan 32 becomes the driving degree larger than the fans drive degree before correcting.Its result, even if outdoor fan 25 is to be driven starting the fans drive degree before driving respective value to correct, also can not start to drive force(d) (draft) fan.Therefore, as in the expectation outdoor fan 25 of air quantity and the air balance of force(d) (draft) fan 32, when the air quantity of force(d) (draft) fan 32 becomes surplus, be difficult to start to drive force(d) (draft) fan 32.
According to this formation, although the air quantity not needing force(d) (draft) fan 32 can be reduced, also start the possibility driving force(d) (draft) fan 32.
（4-5）
If when the air quantity expected is too small, compared with obtaining with only drive chamber's external fan 25 air quantity expected, sometimes make outdoor fan 25 and force(d) (draft) fan 32 link to obtain the power consumption expecting air quantity to diminish.
In the present embodiment, when outdoor fan 25 is to be driven past for the 2nd stipulated time lower than the fans drive degree of fans drive degree " 6 ", carry out reducing the correction starting to drive respective value.By carrying out this correction, when starting to drive force(d) (draft) fan 32, the fans drive degree of outdoor fan 25 becomes the driving degree less than the fans drive degree before correcting.Its result, once outdoor fan 25 is to drive starting the fans drive degree before driving respective value to correct, then starts to drive force(d) (draft) fan 32.Therefore, when the air quantity expected is too small, owing to starting to drive force(d) (draft) fan 32, very difficult appearance does not use the situation of force(d) (draft) fan 32.
According to this formation, the increase because not using force(d) (draft) fan 32 to cause power consumption when can suppress to obtain the air quantity expected.
（4-6）
Here, certain relation is had between air conditioner load and the temperature of outdoor air.Therefore, by determining the air quantity to outdoor heat converter supply according to the temperature of outdoor air, easily adjustment adapts to the air quantity of air conditioner load, the air quantity namely expected.
In the present embodiment, when starting drive chamber's external fan 25, when that is conditioner starts running, specify the fans drive degree of outdoor fan 25 according to the temperature value of outdoor air.And, according to being driven the fans drive degree of respective value and appointed outdoor fan 25 to control driving or the stopping of force(d) (draft) fan 32 by memory starting in memory portion 63b in advance.Therefore, driving or the stopping of force(d) (draft) fan 32 is indirectly determined according to the temperature value of outdoor air.
According to this formation, start running conditioner time easily adjust and adapt to the air quantity of air conditioner load.
（4-7）
In the present embodiment, in multiple fans drive degree of outdoor fan 25, drive respective value and in advance by the fans drive degree determined as stopping, specifying and start to drive respective value in advance by the value outside the fans drive degree that determines.As mentioned above, start to drive the fans drive degree of respective value to stop the fans drive degree driving respective value different from being decided to be in advance owing to being decided to be in advance, force(d) (draft) fan 32 can be prevented and wave in driving or between stopping.
(5) flexible example
(5-1) flexible routine A
In the above-described embodiments, according to temperature and the working order of outdoor air, specify fans drive degree when starting drive chamber's external fan 25, and control outdoor fan motor 25m, drive by appointed fans drive degree to make outdoor fan 25.
In addition, if when during cooling operation, the high pressure of kind of refrigeration cycle low pressure that the is higher or kind of refrigeration cycle when warming operation is lower, can be designed to start drive chamber's external fan 25 by appointed fans drive degree.
Further, in the above-described embodiments, be driving or the stopping that the fans drive degree starting designated value and appointed outdoor fan 25 according to driving stored in memory portion 63b controls force(d) (draft) fan 32.In addition, also can be designed to, when the difference of blowdown presssure and suction pressure exceedes authorized pressure value, make force(d) (draft) fan 32 start to drive.
(5-2) flexible routine B
In addition to the above embodiments, also can be designed to, respective value can be driven to correct to stopping.
INDUSTRIAL APPLICABILITY
The present invention relates to the invention obtaining the control device that power consumption can be suppressed to increase when expecting air quantity, can effectively be used in the refrigerating plant with main fan and auxiliary fan.
Claims (7)
1. a control device (60), it is the control device of refrigerating plant, and this refrigerating plant comprises heat source unit (20) and the auxiliary fan (32) of the main fan (25) having heat source side heat exchanger and can change revolution; This main fan is to described heat source side heat exchanger conveying chamber outer air, and this auxiliary fan (32) is for auxiliary described main fan and be attached to described heat source unit,
It is characterized in that:
This control device comprises memory portion (63b) and correcting section (63c), store a revolution indicated value in multiple revolution indicated values of described main fan in this memory portion (63b) in advance, this revolution indicated value as make described auxiliary fan start drive start drive respective value to be determined in advance;
Described correcting section is according to the driving of described auxiliary fan or stop conditions, and described beginning theed correct by determining drives respective value.
2. control device according to claim 1, is characterized in that:
Described beginning drives respective value to have the upper limit.
3. control device according to claim 1 and 2, is characterized in that:
Described beginning drives respective value to have lower limit.
4. the control device according to any one of claims 1 to 3, is characterized in that:
When described auxiliary fan driving or stop at repeat stipulated number in the 1st stipulated time time, carry out improve the described correction starting to drive respective value.
5. the control device according to any one of Claims 1-4, is characterized in that:
When described main fan was driven past for the 2nd stipulated time in the revolution value of the revolution indicated value lower than regulation, carry out reducing the described correction starting to drive respective value.
6. the control device according to any one of claim 1 to 5, is characterized in that:
When starting to drive described main fan, according to based on outside air temperature value by determine, revolution indicated value to described main fan, control driving or the stopping of described auxiliary fan.
7. the control device according to any one of claim 1 to 6, is characterized in that:
In described multiple revolution indicated value, comprise and stopped the stopping driving to drive respective value by the described auxiliary fan that makes determined in advance, this stopping drives respective value and described beginning to drive respective value to be different value.
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| CN1423089A (en) * | 2001-12-03 | 2003-06-11 | 林内株式会社 | Combustion apparatus |
| CN103124884A (en) * | 2010-09-30 | 2013-05-29 | 大金工业株式会社 | Outdoor unit for refrigeration device |
| JP2013138041A (en) * | 2011-12-27 | 2013-07-11 | Toshiba Corp | Electronic apparatus and fan control method of the same |
| CN103225620A (en) * | 2012-01-30 | 2013-07-31 | 华硕电脑股份有限公司 | Fan controlling method and electronic device |
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2014
- 2014-04-18 CN CN201410158206.7A patent/CN105091254B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423089A (en) * | 2001-12-03 | 2003-06-11 | 林内株式会社 | Combustion apparatus |
| CN103124884A (en) * | 2010-09-30 | 2013-05-29 | 大金工业株式会社 | Outdoor unit for refrigeration device |
| JP2013138041A (en) * | 2011-12-27 | 2013-07-11 | Toshiba Corp | Electronic apparatus and fan control method of the same |
| CN103225620A (en) * | 2012-01-30 | 2013-07-31 | 华硕电脑股份有限公司 | Fan controlling method and electronic device |
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