CN109579155A - Realize the attemperator and air-conditioning system of multi-online air-conditioning system super low temperature refrigeration - Google Patents
Realize the attemperator and air-conditioning system of multi-online air-conditioning system super low temperature refrigeration Download PDFInfo
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- CN109579155A CN109579155A CN201811375121.9A CN201811375121A CN109579155A CN 109579155 A CN109579155 A CN 109579155A CN 201811375121 A CN201811375121 A CN 201811375121A CN 109579155 A CN109579155 A CN 109579155A
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- Prior art keywords
- conditioning system
- heat
- air
- online air
- low temperature
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 68
- 238000005057 refrigeration Methods 0.000 title claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 40
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
- F24F1/58—Separate protective covers for outdoor units, e.g. solar guards, snow shields or camouflage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
- F24F2110/32—Velocity of the outside air
Abstract
The present invention provides a kind of attemperator for realizing multi-online air-conditioning system super low temperature refrigeration and air-conditioning systems, it is related to multi-online air-conditioning system technical field, solve under limit cryogenic conditions (environment temperature be -5 DEG C~-30 DEG C when) existing in the prior art, the technical issues of multi-online air-conditioning system can not achieve super low temperature refrigeration.The attemperator includes control device, be mounted on heat-proof device in multi-online air-conditioning system between the heat exchanger of air-conditioner outdoor unit and outer machine grid and bottom is provided with the self-heating gas separation unit of heating device；It further include limit cryogenic pipe, one end of the limit cryogenic pipe is connected to the exhaust end of compressor in multi-online air-conditioning system, the indoor unit connection in the other end and multi-online air-conditioning system of the limit cryogenic pipe.The present invention is used to widen the range of operation of multi-online air-conditioning system, realizes under the limit cryogenic conditions super low temperature refrigeration (when environment temperature is -5 DEG C~-30 DEG C).
Description
Technical field
The present invention relates to multi-online air-conditioning system technical fields, ultralow more particularly, to a kind of realization multi-online air-conditioning system
The attemperator and air-conditioning system of temperature refrigeration.
Background technique
Running outdoor environment temperature range when the refrigeration of multi-online air-conditioning system at present is -5 DEG C to 50 DEG C；But it can also encounter
The case where needing super low temperature refrigeration, for example, -30 DEG C give computer room refrigeration, still, computer floor has high-cleanness requirement, no
Fresh air can be introduced directly into from outdoor, therefore, it is still necessary to isolation heat exchange be carried out by air-conditioning, still, multi-online air-conditioning system is not
Super low temperature refrigeration can be realized (when environment temperature is -5 DEG C~-30 DEG C) under limit cryogenic conditions.
Applicants have discovered that at least there is following technical problem in the prior art:
Under limit cryogenic conditions (when environment temperature is -5 DEG C~-30 DEG C), multi-online air-conditioning system can not achieve ultralow
Temperature refrigeration.
Summary of the invention
The purpose of the present invention is to provide a kind of attemperators and air-conditioning for realizing multi-online air-conditioning system super low temperature refrigeration
System, to solve under limit cryogenic conditions (environment temperature be -5 DEG C~-30 DEG C when) existing in the prior art, multi-connected machine is empty
Adjusting system can not achieve the technical issues of super low temperature refrigeration.Optimal technical scheme institute in many technical solutions provided by the invention
The many technical effects that can be generated.Elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes:
A kind of attemperator for realizing multi-online air-conditioning system super low temperature refrigeration provided by the invention, including control device,
Heat-proof device and bottom in multi-online air-conditioning system between the heat exchanger of air-conditioner outdoor unit and outer machine grid is mounted on to be provided with
The self-heating gas separation unit of heating device；
It further include limit cryogenic pipe, one end of the limit cryogenic pipe is connected to compressor in multi-online air-conditioning system
Exhaust end, the indoor unit connection in the other end and multi-online air-conditioning system of the limit cryogenic pipe；
The self-heating gas separation unit is connected on limit cryogenic pipe, and exhaust electromagnetism is equipped on limit cryogenic pipe
Valve two；
The heat-proof device, self-heating gas separation unit, exhaust solenoid valve two are electrically connected with control device respectively；
The control device can be controlled according to the ambient temperature that the environment temperature sensor of air-conditioner outdoor unit is perceived
The heat-proof device is opened or is withdrawn, and is controlled the self-heating gas separation unit and be heated or not heated.
Optional or preferred, the heat-proof device includes motor, the spool that connect with motor output shaft, fixed spool
Bracing strut, the reel being set on spool, heat-insulated soft curtain, the soft curtain support rod and lead being connect with heat-insulated soft curtain upper end；
The motor is electrically connected with control device, and the upper end of the lead is connected on reel, the lower end of the lead
It wears from the upper end of heat-insulated soft curtain to lower end and is connect with the lower end of heat-insulated soft curtain；
When motor rotates drive lead on reel, heat-insulated soft curtain is shunk to upper end；When motor rotates lead
When backing off from reel, heat-insulated soft curtain is stretched to lower end.
Optional or preferred, the heat-proof device further includes that the heavy magnet block one of heat-insulated soft curtain lower end and right is arranged in
Magnet block two on air conditioner outdoor unit chassis should be set；Have between the heavy magnet block one and magnet block two and attracts each other
Magnetic force.
Optional or preferred, the heavy magnet block one and magnet block two are strong magnet.
Optional or preferred, the heat-insulated soft curtain is canvas curtain.
Optional or preferred, three sides of the air-conditioner outdoor unit towards external environment are equipped with heat-proof device.
It is optional or preferred, it further include the anemobiagraph for detecting external environment natural wind wind speed, the anemobiagraph and control
Device electrical connection；
The anemobiagraph, which can detect the wind speed of external environment natural wind and will test signal, is sent to the control device, institute
The wind speed of external environment natural wind can be obtained and according to the wind of external environment natural wind according to the detection signal by stating control device
Speed control heat-proof device opening, semi-open or withdrawal.
Optional or preferred, the anemobiagraph is mounted on the outside of air-conditioner outdoor unit.
Optional or preferred, the control device is the master controller of multi-online air-conditioning system.
A kind of multi-online air-conditioning system provided by the invention, including multi-line system, the multi-line system include compression
Machine, exhaust solenoid valve one, four-way valve, air-conditioner outdoor unit, heating electric expansion valve, subcooler, subcooler electric expansion valve, valve
One, interior machine electric expansion valve, indoor unit and valve two；It further include the guarantor of above-mentioned realization multi-online air-conditioning system super low temperature refrigeration
Warm device.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect:
The attemperator and multi-online air-conditioning system provided by the invention for realizing multi-online air-conditioning system super low temperature refrigeration,
When multi-online air-conditioning system is run, perceived by the control device according to the environment temperature sensor of air-conditioner outdoor unit outer
Boundary's environment temperature controls heat-proof device opening, semi-open or withdrawal, and by the control device according to the ring of air-conditioner outdoor unit
Whether the ambient temperature control self-heating gas separation unit that border temperature sensor is perceived is heated；Concrete operations
Journey are as follows:
1. when environment temperature >=-5 DEG C, in cooling mode: using general control program, i.e., by controlling outside air conditioning chamber
The blower and compressor frequency of machine maintain refrigeration to operate normally；
2. when environment temperature<-5 DEG C and>=-15 DEG C, in cooling mode, the blower of air-conditioner outdoor unit is out of service,
Stop externally heat exchange, while heat-proof device being opened, realizes and prevent heat transfer free convection and cause condensation temperature relatively low；With 1.
Difference are as follows: the blower of compressor low-frequency operation, air-conditioner outdoor unit is out of service, and heating electronic expansion valve opening was according to being vented
Temperature control, small guide vane control；
3. when environment temperature<-15 DEG C and>=-30 DEG C, in cooling mode, the blower of air-conditioner outdoor unit is out of service,
And outdoor heat exchanger is not used, it only uses after self-heating gas separation unit heats low-temperature refrigerant, then flows into indoor unit reality
Now freeze；
4. when environment temperature < -30 DEG C, compressor emergency shutdown is not being run.
The attemperator and multi-online air-conditioning system provided by the invention for realizing multi-online air-conditioning system super low temperature refrigeration, leads to
The use to control device to heat-proof device and self-heating gas separation unit is crossed, the operation model of multi-online air-conditioning system has been widened
It encloses, realizes under the limit cryogenic conditions super low temperature refrigeration (when environment temperature is -5 DEG C~-30 DEG C), it is even more further to be promoted
The competitiveness of product.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the heat-insulated soft completely open structural schematic diagram of curtain in the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram that heat-insulated soft curtain is withdrawn in the embodiment of the present invention 1；
Fig. 4 is the control schematic diagram of the embodiment of the present invention 2.
In figure: 1, compressor；2, exhaust solenoid valve one；3, high pressure sensor；4, low pressure sensor；5, four-way valve；6, empty
Adjust outdoor unit；601, heat exchanger；602, outer machine grid；603, heat-proof device；6031, motor；6032, bracing strut；6033, line
Axis；6034, heat-insulated soft curtain；60341, fairlead one；6035, soft curtain support rod；6036, lead；6037, reel；6038, again
Matter magnet block one；6039, magnet block two；604, anemobiagraph；605, blower；7, electric expansion valve is heated；8, subcooler；9, it is subcooled
Device electric expansion valve；10, valve one；11, interior machine electric expansion valve；12, indoor unit；13, valve two；14, self-heating gas dispenses
It sets；15, limit cryogenic pipe；16, exhaust solenoid valve two.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
It is as Figure 1-Figure 4:
Embodiment 1:
The present invention provides a kind of attemperator for realizing multi-online air-conditioning system super low temperature refrigeration, including control device,
The heat-proof device 603 that is mounted between the heat exchanger 601 of air-conditioner outdoor unit 6 in multi-online air-conditioning system and outer machine grid 602 and
Bottom is provided with the self-heating gas separation unit 14 of heating device；
It further include limit cryogenic pipe 15, one end of the limit cryogenic pipe 15, which is connected in multi-online air-conditioning system, presses
The exhaust end of contracting machine 1, the indoor unit 12 in the other end and multi-online air-conditioning system of the limit cryogenic pipe 15 connect；
The self-heating gas separation unit 14 is connected on limit cryogenic pipe 15, and the row of being equipped on limit cryogenic pipe 15
Pneumoelectric magnet valve 2 16；
The heat-proof device 603, self-heating gas separation unit 14, exhaust solenoid valve 2 16 are electrically connected with control device respectively；
The control device can be controlled according to the ambient temperature that the environment temperature sensor of air-conditioner outdoor unit 6 is perceived
The heat-proof device 603 is opened or is withdrawn, and is controlled the self-heating gas separation unit 14 and be heated or not heated.
Wherein, the self-heating gas separation unit 14 is equipment in the prior art, is just no longer described in detail herein；Specifically make
In, the ambient temperature control that the control device is perceived according to the environment temperature sensor of air-conditioner outdoor unit 6 adds certainly
The heating of hot gas separating device 14 stops heating.
As optional embodiment, the heat-proof device 603 includes that motor 6031 and motor 6031 export axis connection
Spool 6033, the bracing strut 6032 of fixed spool 6033, the reel 6037 being set on spool 6033, heat-insulated soft curtain 6034,
The soft curtain support rod 6035 and lead 6036 being connect with heat-insulated soft 6034 upper end of curtain；
The motor 6031 is electrically connected with control device, and the upper end of the lead 6036 is connected on reel 6037, institute
The lower end for stating lead 6036 wears to lower end from the upper end of heat-insulated soft curtain 6034 and connect with the lower end of heat-insulated soft curtain 6034；
When motor 6031 rotates drive lead 6036 on reel 6037, heat-insulated soft curtain 6034 is received to upper end
Contracting；When motor 6031, which rotates lead 6036, backs off from reel 6037, heat-insulated soft curtain 6034 is stretched to lower end.
Specifically, the motor 6031, bracing strut 6032 and soft curtain support rod 6035 are installed in the outer of air-conditioner outdoor unit 6
On the inside of shell, the bracing strut 6032 and soft curtain support rod 6035 by spot-welded or can be fixed by screws in outside air conditioning chamber
On the inside of the shell of machine 6.
Specifically, offering the fairlead 1 passed through for lead 6036, the lead on the heat-insulated soft curtain 6034
Hole 1, which is able to satisfy lead 6036 and passes through and lead 6036 is facilitated to move in fairlead 1, (facilitates heat-insulated soft curtain
6034 shrink to upper end and stretch to lower end).
It is passed through specifically, being offered on the soft curtain support rod 6035 in the position of corresponding lead 6036 for lead 6036
Fairlead two, the fairlead two be able to satisfy lead 6036 pass through and facilitate lead 6036 moved in fairlead two (it is convenient every
The soft curtain 6034 of heat shrinks to upper end and stretches to lower end).
As optional embodiment, the lead 6036 is at least two, and two leads 6036 are separately positioned on heat-insulated
The left end of soft curtain 6034 and right end；To facilitate the contraction of heat-insulated soft curtain 6034.
In the present embodiment, the lead 6036 is three, and three lead-in wires 6036 are separately positioned on heat-insulated soft curtain 6034
Left end, middle part and right end.
As optional embodiment, the heat-proof device 603 further includes the heavy that heat-insulated 6034 lower end of soft curtain is arranged in
Magnet block 1 and the magnet block 2 6039 being correspondingly arranged on 6 chassis of air-conditioner outdoor unit；The heavy magnet block 1
There is the magnetic force to attract each other between magnet block 2 6039；The heavy magnet block 1 and magnet block 2 6039 of setting mainly have
Both sides effect, first is that heat-insulated soft curtain 6034 when stretching to lower end, utilizes the weight side of heavy magnet block 1 itself
Just heat-insulated soft curtain 6034 stretches down；Second is that utilizing the mutual suction having between heavy magnet block 1 and magnet block 2 6039
The magnetic force drawn avoids natural wind from being blown into, and influences the heat insulation of heat-proof device 603, that is, avoids system temperature because natural wind is big
Area scatters and disappears.
As optional embodiment, the heavy magnet block 1 and magnet block 2 6039 are strong magnet.
As optional embodiment, the heat-insulated soft curtain 6034 is canvas curtain.
As optional embodiment, three sides of the air-conditioner outdoor unit 6 towards external environment are equipped with heat-insulated dress
603 are set, the motor 6031 in three heat-proof devices 603 is electrically connected with control device respectively.
It further include the anemobiagraph 604 for detecting external environment natural wind wind speed, the anemobiagraph as optional embodiment
604 are electrically connected with control device；
The anemobiagraph 604, which can detect the wind speed of external environment natural wind and will test signal, is sent to the control dress
It sets, the control device can obtain the wind speed of external environment natural wind and according to external environment natural wind according to the detection signal
Blast velocity control heat-proof device 603 open, it is semi-open or withdraw.
As optional embodiment, the anemobiagraph 604 is mounted on the outside of air-conditioner outdoor unit 6；And anemobiagraph 604 is pacified
Mounted in air-conditioner outdoor unit 6 towards on the outside of any one side in three sides of external environment.
During multi-online air-conditioning system operation, wind speed (a) and 603 control process of heat-proof device are as follows:
As 0 < a≤0.3m/s, heat-proof device 603 is withdrawn completely, i.e., heat-insulated soft curtain 6034 is contracted in the upper end completely；
As 0.3 < a≤1.5m/s, heat-proof device 603 is semi-open, i.e., heat-insulated soft curtain 6034 is shunk half and held on it；
As a > 1.5m/s, heat-proof device 603 is fully opened, i.e., heat-insulated soft curtain 6034 is fully extended (heavy at this time
Magnet block 1 and magnet block 2 6039 are fit together by magnetic force).
The effect that anemobiagraph 604 is arranged is: when the wind speed of natural wind is excessive, by control device by heat-proof device
603, which open guarantee system temperature, to be scattered and disappeared because of natural wind by large area.
As optional embodiment, the control device is the master controller of multi-online air-conditioning system.
Embodiment 2:
A kind of multi-online air-conditioning system provided by the invention, including multi-line system, the multi-line system include compression
Machine 1, exhaust solenoid valve 1, high pressure sensor 3, low pressure sensor 4, four-way valve 5, air-conditioner outdoor unit 6, heating electric expansion valve
7, subcooler 8, subcooler electric expansion valve 9, valve 1, interior machine electric expansion valve 11, indoor unit 12 and valve 2 13；Also wrap
Include the attemperator of the realization multi-online air-conditioning system super low temperature refrigeration in above-described embodiment 1；The compressor 1, exhaust electromagnetism
Valve 1, high pressure sensor 3, low pressure sensor 4, four-way valve 5, heating electric expansion valve 7, subcooler 8, subcooler electronic expansion
As soon as valve 9, valve 10, interior machine electric expansion valve 11, indoor unit 12 and valve 2 13 are the prior art, no longer it is described in detail herein.
As optional embodiment, the exhaust solenoid valve 2 16 be located at compressor 1 and self-heating gas separation unit 14 it
Between.
The attemperator and multi-online air-conditioning system provided by the invention for realizing multi-online air-conditioning system super low temperature refrigeration,
When multi-online air-conditioning system is run, perceived by the control device according to the environment temperature sensor of air-conditioner outdoor unit 6
Ambient temperature controls the opening of heat-proof device 603, semi-open or withdrawal, and by the control device according to air-conditioner outdoor unit
Whether the ambient temperature control self-heating gas separation unit 14 that 6 environment temperature sensor is perceived is heated；Tool
Body operating process are as follows:
1. when environment temperature >=-5 DEG C, in cooling mode: using general control program, i.e., by controlling outside air conditioning chamber
1 frequency of blower 605 and compressor of machine 6 maintains refrigeration to operate normally；
It flows at this time are as follows: compressor 1 is vented to four-way valve 5 through exhaust solenoid valve 1, and to air-conditioner outdoor unit 6, (outdoor is changed
Heat), to heating electric expansion valve 7 (aperture maximum), subcooler 8 is arrived, is arrived indoor unit 12 (indoor heat exchange), four-way valve 5 is arrived, to certainly
Gas separation unit 14 is heated, compressor 1 is arrived, completes one cycle；
At this point, heat-proof device 603 is withdrawn completely, i.e., heat-insulated soft curtain 6034 is contracted in the upper end completely；And exhaust electromagnetism
Valve 2 16 is closed.
2. in cooling mode, the blower 605 of air-conditioner outdoor unit 6 stops fortune when environment temperature<-5 DEG C and>=-15 DEG C
Row stops externally heat exchange, while heat-proof device 603 being opened, realize and prevent heat transfer free convection and cause condensation temperature inclined
It is low；
It flows at this time are as follows: compressor 1 is vented to four-way valve 5 through exhaust solenoid valve 1, and to air-conditioner outdoor unit 6, (outdoor is changed
Heat), to heating electric expansion valve 7, subcooler 8 is arrived, is arrived indoor unit 12 (indoor heat exchange), four-way valve 5 is arrived, is dispensed to self-heating gas
14 are set, compressor 1 is arrived, completes one cycle.
With difference 1. are as follows: the blower 605 of 1 low-frequency operation of compressor, air-conditioner outdoor unit 6 is out of service, and heating electronics is swollen
Swollen 7 aperture of valve is controlled according to discharge superheat, and small guide vane control, purpose is to keep normal system high pressure (such as 15-20 DEG C of pressure pair
Answer saturation temperature)；
At this point, heat-proof device 603 fully opens, i.e., heat-insulated soft curtain 6034 is fully extended (heavy magnet block one at this time
6038 and magnet block 2 6039 fit together by magnetic force)；And exhaust solenoid valve 2 16 is closed.
3. in cooling mode, the blower 605 of air-conditioner outdoor unit 6 stops when environment temperature<-15 DEG C and>=-30 DEG C
Operation, and do not use outdoor heat exchanger 601 is only used after self-heating gas separation unit 14 heats low-temperature refrigerant, then is flowed
It realizes and freezes to indoor unit 12；
It flows at this time are as follows: compressor 1 is vented to self-heating gas separation unit 14 (to low-temperature refrigerant through exhaust solenoid valve 2 16
Heated), it arrives indoor unit 12 (indoor heat exchange), arrives four-way valve 5, arrive self-heating gas separation unit 14, arrive compressor 1, complete one
Secondary circulation；
Because environment temperature is too low, the heat dissipation of multi-online air-conditioning system unit is serious, cannot with air-conditioner outdoor unit 6, (outdoor is changed again
Heat) control condensation temperature, but condensation heat abstraction is prevented, it otherwise will appear the danger of press severe hydraulic contracting machine 1.It therefore must
Certain condensation heat must be retained.Low-temperature refrigerant is heated using self-heating gas separation unit 14, purpose is also control height
Pressure (such as high pressure is in 15 DEG C~20 DEG C, and low pressure is within the scope of -10 DEG C~5 DEG C) in zone of reasonableness
At this point, heat-proof device 603 fully opens, i.e., heat-insulated soft curtain 6034 is fully extended (heavy magnet block one at this time
6038 and magnet block 2 6039 fit together by magnetic force)；And exhaust solenoid valve 1 is closed.
4. when environment temperature < -30 DEG C, compressor emergency shutdown is not being run.
Also, during multi-online air-conditioning system operation, beating for heat-proof device 603 is mainly controlled by environment temperature
It opens and withdraws；That is,
1. when environment temperature<-5 DEG C and>=-30 DEG C, heat-proof device 603 is completely open state, i.e., will be heat-insulated
Soft curtain 6034 is fully extended (heavy magnet block 1 and magnet block 2 6039 are fit together by magnetic force at this time)；
2. when environment temperature >=-5 DEG C, controlled by wind speed (a) heat-proof device 603 opening, it is semi-open and withdraw；That is,
As 0 < a≤0.3m/s, heat-proof device 603 is withdrawn completely, i.e., heat-insulated soft curtain 6034 is contracted in the upper end completely；As 0.3 < a
When≤1.5m/s, heat-proof device 603 is semi-open, i.e., heat-insulated soft curtain 6034 is shunk half and held on it；As a > 1.5m/s, every
Thermal 603 fully opens, i.e., heat-insulated soft curtain 6034 is fully extended (heavy magnet block 1 and magnet block two at this time
6039 are fit together by magnetic force).
The attemperator and multi-online air-conditioning system provided by the invention for realizing multi-online air-conditioning system super low temperature refrigeration, leads to
The use to control device to heat-proof device 603 and self-heating gas separation unit 14 is crossed, the fortune of multi-online air-conditioning system has been widened
Line range realizes under the limit cryogenic conditions super low temperature refrigeration (when environment temperature is -5 DEG C~-30 DEG C), even more further
Improve the competitiveness of product.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. a kind of attemperator for realizing multi-online air-conditioning system super low temperature refrigeration, it is characterised in that: including control device, installation
Heat-proof device between the heat exchanger (601) and outer machine grid (602) of air-conditioner outdoor unit in multi-online air-conditioning system (6)
(603) and bottom is provided with the self-heating gas separation unit (14) of heating device；
It further include limit cryogenic pipe (15), one end of the limit cryogenic pipe (15), which is connected in multi-online air-conditioning system, presses
The exhaust end of contracting machine (1), the indoor unit (12) in the other end and multi-online air-conditioning system of the limit cryogenic pipe (15) is even
It connects；
The self-heating gas separation unit (14) is connected on limit cryogenic pipe (15), and is equipped on limit cryogenic pipe (15)
Exhaust solenoid valve two (16)；
The heat-proof device (603), self-heating gas separation unit (14), exhaust solenoid valve two (16) are electrically connected with control device respectively
It connects；
The control device can control institute according to the ambient temperature that the environment temperature sensor of air-conditioner outdoor unit (6) is perceived
It states heat-proof device (603) to open or withdraw, and controls the self-heating gas separation unit (14) and be heated or not heated.
2. the attemperator according to claim 1 for realizing multi-online air-conditioning system super low temperature refrigeration, it is characterised in that: institute
Stating heat-proof device (603) includes motor (6031), the spool (6033) with motor (6031) output axis connection, fixed spool
(6033) bracing strut (6032), the reel (6037) being set on spool (6033), heat-insulated soft curtain (6034), with it is heat-insulated soft
The soft curtain support rod (6035) of curtain (6034) upper end connection and lead (6036)；
The motor (6031) is electrically connected with control device；The upper end of the lead (6036) is connected on reel (6037),
The lower end of the lead (6036) wears the lower end to lower end and with heat-insulated soft curtain (6034) from the upper end of heat-insulated soft curtain (6034)
Connection；
When motor (6031) rotate drive lead (6036) on reel (6037), heat-insulated soft curtain (6034) Xiang Shangduan
It shrinks；When motor (6031) rotation lead (6036) is backed off from reel (6037), heat-insulated soft curtain (6034) is stretched to lower end
Exhibition.
3. the attemperator according to claim 2 for realizing multi-online air-conditioning system super low temperature refrigeration, it is characterised in that: institute
Heat-proof device (603) is stated to further include setting in the heavy magnet block one (6038) of heat-insulated soft curtain (6034) lower end and be correspondingly arranged at
Magnet block two (6039) on air-conditioner outdoor unit (6) chassis；Between the heavy magnet block one (6038) and magnet block two (6039)
With the magnetic force to attract each other.
4. the attemperator according to claim 3 for realizing multi-online air-conditioning system super low temperature refrigeration, it is characterised in that: institute
Stating heavy magnet block one (6038) and magnet block two (6039) is strong magnet.
5. the attemperator according to claim 4 for realizing multi-online air-conditioning system super low temperature refrigeration, it is characterised in that: institute
Stating heat-insulated soft curtain (6034) is canvas curtain.
6. the attemperator of multi-online air-conditioning system super low temperature refrigeration is realized described in any one of -5 according to claim 1,
It is characterized by: three sides of the air-conditioner outdoor unit (6) towards external environment are equipped with heat-proof device (603).
7. the attemperator according to claim 6 for realizing multi-online air-conditioning system super low temperature refrigeration, it is characterised in that: also
Anemobiagraph (604) including detecting external environment natural wind wind speed, the anemobiagraph (604) are electrically connected with control device；
The anemobiagraph (604), which can detect the wind speed of external environment natural wind and will test signal, is sent to the control device,
The control device can obtain the wind speed of external environment natural wind and according to external environment natural wind according to the detection signal
Blast velocity control heat-proof device (603) opening, semi-open or withdrawal.
8. the attemperator according to claim 7 for realizing multi-online air-conditioning system super low temperature refrigeration, it is characterised in that: institute
State the outside that anemobiagraph (604) is mounted on air-conditioner outdoor unit (6).
9. the attemperator according to claim 8 for realizing multi-online air-conditioning system super low temperature refrigeration, it is characterised in that: institute
State the master controller that control device is multi-online air-conditioning system.
10. a kind of multi-online air-conditioning system, including multi-line system, the multi-line system includes compressor (1), exhaust electromagnetism
Valve one (2), four-way valve (5), air-conditioner outdoor unit (6), heating electric expansion valve (7), subcooler (8), subcooler electric expansion valve
(9), valve one (10), interior machine electric expansion valve (11), indoor unit (12) and valve two (13), it is characterised in that: further include as
The attemperator of multi-online air-conditioning system super low temperature refrigeration is realized described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375121.9A CN109579155A (en) | 2018-11-19 | 2018-11-19 | Realize the attemperator and air-conditioning system of multi-online air-conditioning system super low temperature refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375121.9A CN109579155A (en) | 2018-11-19 | 2018-11-19 | Realize the attemperator and air-conditioning system of multi-online air-conditioning system super low temperature refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109579155A true CN109579155A (en) | 2019-04-05 |
Family
ID=65923151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375121.9A Pending CN109579155A (en) | 2018-11-19 | 2018-11-19 | Realize the attemperator and air-conditioning system of multi-online air-conditioning system super low temperature refrigeration |
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| Country | Link |
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| CN (1) | CN109579155A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080053114A1 (en) * | 2004-02-25 | 2008-03-06 | Ningfan Zhao | Variable Capacity Modular Combined Refrigerating Installation by Frequency Conversion |
| CN203375761U (en) * | 2013-05-31 | 2014-01-01 | 广东美的暖通设备有限公司 | Air conditioner |
| CN104197499A (en) * | 2014-09-01 | 2014-12-10 | 广东志高暖通设备股份有限公司 | Multi-connection air conditioning system |
| CN207422474U (en) * | 2017-10-17 | 2018-05-29 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit and with its air conditioner |
| CN209355381U (en) * | 2018-11-19 | 2019-09-06 | 珠海格力电器股份有限公司 | Realize the attemperator and air-conditioning system of multi-online air-conditioning system super low temperature refrigeration |
-
2018
- 2018-11-19 CN CN201811375121.9A patent/CN109579155A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080053114A1 (en) * | 2004-02-25 | 2008-03-06 | Ningfan Zhao | Variable Capacity Modular Combined Refrigerating Installation by Frequency Conversion |
| CN203375761U (en) * | 2013-05-31 | 2014-01-01 | 广东美的暖通设备有限公司 | Air conditioner |
| CN104197499A (en) * | 2014-09-01 | 2014-12-10 | 广东志高暖通设备股份有限公司 | Multi-connection air conditioning system |
| CN207422474U (en) * | 2017-10-17 | 2018-05-29 | 广东美的暖通设备有限公司 | Air-conditioner outdoor unit and with its air conditioner |
| CN209355381U (en) * | 2018-11-19 | 2019-09-06 | 珠海格力电器股份有限公司 | Realize the attemperator and air-conditioning system of multi-online air-conditioning system super low temperature refrigeration |
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