CN106196335A - Outdoor unit, indoor unit, outdoor unit control method and air conditioner - Google Patents
Outdoor unit, indoor unit, outdoor unit control method and air conditioner Download PDFInfo
- Publication number
- CN106196335A CN106196335A CN201610565100.8A CN201610565100A CN106196335A CN 106196335 A CN106196335 A CN 106196335A CN 201610565100 A CN201610565100 A CN 201610565100A CN 106196335 A CN106196335 A CN 106196335A
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- Prior art keywords
- coolant
- pipe
- port
- supplements
- premises station
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 239000003507 refrigerant Substances 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 claims description 316
- 239000013589 supplement Substances 0.000 claims description 71
- 238000002347 injection Methods 0.000 claims description 28
- 239000007924 injection Substances 0.000 claims description 28
- 230000008859 change Effects 0.000 claims description 15
- 230000000295 complement effect Effects 0.000 claims description 14
- 210000003437 trachea Anatomy 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 12
- 230000009467 reduction Effects 0.000 abstract description 9
- 230000001502 supplementing effect Effects 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- -1 this Time Substances 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
- 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
-
- 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
- F24F1/0007—Indoor units, e.g. fan coil units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- 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
- F24F1/26—Refrigerant piping
- F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- 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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an outdoor unit, an indoor unit, an outdoor unit control method and an air conditioner, relates to the field of air conditioners, and is used for solving the problem that the operation process is complicated due to the fact that manual detection is needed in the process of determining the reduction degree of refrigerant quantity. The outdoor unit includes: three-way valve, two-way valve, first refrigerant make-up pipe, second refrigerant make-up pipe, pressure gauge, check valve and refrigerant storage jar. The embodiment of the invention is used for supplementing the refrigerant.
Description
Technical field
The present invention relates to field of air conditioning, particularly relate to a kind of off-premises station, indoor set, off-premises station control method and air-conditioner.
Background technology
In use for some time, user usually can find that air-conditioner cooling or heating effect is deteriorated, and even occurs to air-conditioner
Cannot the phenomenon of cooling and warming.Causing cooling and warming ability to decline or cannot be carried out the reason of cooling and warming has a lot, but crowd
Among many reasons, in air-conditioner, the reduction of coolant quantity accounts for main cause.
And existing air-conditioner is added during coolant, on the one hand, need to add coolant by the three-way valve of off-premises station,
But due to some off-premises station installation site, such as high-rise outdoor, be mounted with the outdoor etc. of burglary-resisting window, cause being difficult to
Off-premises station adds coolant.On the other hand, during determining coolant quantity reduction degree, need to use the means such as Pressure gauge to cold
Matchmaker measures reduction degree and manually detects, and causes operating process complicated.
Summary of the invention
Embodiments of the invention provide a kind of off-premises station, indoor set, off-premises station control method and air-conditioner, for solving
The problem needing manually to detect during determining coolant quantity reduction degree thus cause operating process complexity.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect, it is provided that a kind of off-premises station, for connecting indoor set, wherein, described online pipe bag by online pipe
Including trachea, liquid pipe and coolant injection pipe, this off-premises station includes: three-way valve, two-port valve, the first coolant supplement pipe, the second coolant is mended
Filling pipe, piezometer, check valve and coolant storage tank, the first port of described three-way valve connects the first port of described trachea, institute
Stating the muffler of the compressor of the second port described off-premises station of connection of three-way valve, the 3rd port of described three-way valve connects described
First coolant supplements the first port of pipe, the throttling arrangement of the first port described off-premises station of connection of described two-port valve, and described two
Second port of logical valve connects the first port of described liquid pipe, and described first coolant supplements the second port of pipe and connects described unidirectional
First port of valve, the second port of described check valve connects described second coolant and supplements the first port of pipe, described second cold
Matchmaker supplements the second port of pipe and connects described coolant storage tank, and described second coolant supplements the 3rd port of pipe and connects described coolant
First port of filler line, described piezometer is connected to described first coolant and supplements on pipe supplementary for detecting described first coolant
Coolant pressure in pipe；This off-premises station also includes:
Control unit, is connected with described piezometer and described check valve respectively, and described control unit is used for controlling described pressure
Power meter detects current coolant pressure value P 1, and for described current coolant pressure value P 1 is carried out with specified coolant pressure value P 0
Relatively, if P1 < P0, control described check valve and open so that the coolant in described coolant storage tank passes through described with scheduled volume V1
Second coolant supplements pipe, described check valve, described first coolant supplements pipe and described three-way valve flows into returning of described compressor
Trachea, is repeated above-mentioned detection and complement operation, until described current coolant pressure value P 1 is more than or equal to described specified coolant
During pressure value P 0, then terminate the detection to coolant and complement operation.
Second aspect, it is provided that a kind of indoor set, for connecting indoor set, wherein, described online pipe bag by online pipe
Including trachea, liquid pipe and coolant injection pipe, this indoor set includes: coolant injection mouth and protection cap,
Wherein, described coolant injection mouth connects the second port of described coolant injection pipe, and described protection cap is covered in described
On coolant injection mouth.
The third aspect, it is provided that the control method of a kind of off-premises station, the method includes: controls piezometer and detects current coolant
Pressure value P 1, and described current coolant pressure value P 1 is compared with specified coolant pressure value P 0, if P1 < P0, control
Check valve open so that coolant in coolant storage tank with scheduled volume V1 by the second coolant supplement pipe, described check valve, first
Coolant supplements pipe and the muffler of three-way valve inflow compressor, until described current coolant pressure value P 1 is more than or equal to described volume
Determine coolant pressure value P 0.
Fourth aspect, it is provided that a kind of air-conditioner, including off-premises station as described in relation to the first aspect, as described in second aspect
Indoor set and online pipe, wherein, described online pipe comprises trachea, liquid pipe and coolant injection pipe.
Off-premises station, indoor set, off-premises station control method and the air-conditioner that embodiments of the invention provide, passes through control unit
Control piezometer detection coolant force value, when coolant force value less than specified coolant force value time, control check valve open so that
Coolant in coolant storage tank, for supplementing the coolant quantity reduced, solves and needs during determining coolant quantity reduction degree
The problem manually detected thus cause operating process complexity.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The structural representation of the air-conditioner that Fig. 1 provides for embodiments of the invention；
The structural representation of a kind of off-premises station that Fig. 2 provides for embodiments of the invention；
The structural representation of the another kind of off-premises station that Fig. 3 provides for embodiments of the invention；
The structural representation of a kind of indoor set that Fig. 4 provides for embodiments of the invention；
The structural representation of the another kind of indoor set that Fig. 5 provides for embodiments of the invention；
The schematic flow sheet of a kind of off-premises station control method that Fig. 6 provides for embodiments of the invention；
The schematic flow sheet of the another kind of off-premises station control method that Fig. 7 provides for embodiments of the invention；
The schematic flow sheet of another off-premises station control method that Fig. 8 provides for embodiments of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The invention provides a kind of air-conditioner, with reference to shown in Fig. 1, including off-premises station 11, indoor set 12 and online pipe 13,
Wherein, online pipe 13 includes trachea 131, liquid pipe 132 and coolant injection pipe 133.
Off-premises station, indoor set, off-premises station control method and the air-conditioner that the present invention provides, controls pressure by control unit
Meter detection coolant force value, when coolant force value is less than specified coolant force value, controls check valve and opens so that coolant stores
Coolant in tank, for supplementing the coolant quantity reduced, solves and needs to carry out manually during determining coolant quantity reduction degree
The problem detected thus cause operating process complexity.
Embodiment 1,
The invention provides a kind of off-premises station, for automatically carrying out coolant quantity detection and supplementing, as the room shown in Fig. 1
Outer machine 11, with reference to shown in Fig. 2, this off-premises station 11 includes: three-way valve 111, two-port valve the 112, first coolant supplement pipe 113, the
Two coolant supplement pipe 114, piezometer 115, check valve 116 and coolant storage tank 117.
Wherein, the first port of three-way valve 111 connects the first port of trachea 131, and the second port of three-way valve 111 connects
The muffler of the compressor of off-premises station, the 3rd port of three-way valve 111 connects the first coolant and supplements the first port of pipe 113, and two
First port of logical valve 112 connects the throttling arrangement of off-premises station, and the second port of two-port valve 112 connects the first end of adapter 132
Mouthful, the first coolant supplements the first port of the second port connection check valve 116 of pipe 113, and the second port of check valve 116 connects
Second coolant supplements the first port of pipe 114, and check valve 116 will not flow to coolant storage tank for the coolant limited in pipeline
117, the second coolant supplements the second port of pipe 114 and connects coolant storage tank 117, and coolant storage tank 117 is used for storing coolant, this
Time, coolant injection pipe 133 is for flowing to coolant storage tank 117 by the coolant that the external world fills, and the second coolant supplements the 3rd of pipe 114
Port connects the first port of coolant injection pipe 133, and piezometer 115 is connected to the first coolant and supplements on pipe 113 for detection the
One coolant supplements the coolant pressure in pipe 113.
Off-premises station 11 also includes control unit (not shown), control unit respectively with piezometer 115 and check valve 116
Being connected, this control unit is used for:
Starting shooting after a period of time reaches steady operational status at air-conditioner, control unit controls piezometer 115 and detects first
Coolant supplements the current coolant pressure value P 1 of the coolant in pipe 113, by current coolant pressure value P 1 and specified coolant pressure value P 0
Comparing: as P1 >=P0, now coolant force value reaches rated pressure value, and coolant quantity is sufficient, it is not necessary to be added coolant
Operation；As P1, < during P0, now coolant force value is not up to rated pressure value, and coolant quantity is not enough, needs to be added coolant behaviour
Making, therefore control unit control check valve 116 is opened so that the coolant in coolant storage tank 117 is cold by second with scheduled volume V1
When matchmaker supplements pipe 114, check valve the 116, first coolant supplements pipe 113 and three-way valve 111, then terminate the detection to coolant and benefit
Fill operation and flow into the muffler (not shown) of compressor, above-mentioned detection and complement operation are repeated, until current coolant
When pressure value P 1 is more than or equal to specified coolant pressure value P 0, then terminate the detection to coolant and complement operation.
Concrete, control unit controls check valve 116 and opens so that the coolant in coolant storage tank passes through with scheduled volume V1
Second coolant supplements pipe 114, check valve the 116, first coolant supplements pipe 113 and three-way valve 111 flows into the muffler of compressor,
After Bu Chonging, control unit control check valve 116 is closed.The most again after stable operation after a while, control piezometer
115 detect the first coolant again supplements the current coolant pressure value P 2 of the coolant in pipe 113, repeats above step until the coldest
Matchmaker's pressure value P 1 is more than or equal to specified coolant pressure value P 0.As P1 >=P0, now coolant force value reaches rated pressure value, cold
Matchmaker measures abundance, it is not necessary to be added coolant operation；As P1, < during P0, now coolant force value is not up to rated pressure value, coolant quantity
Deficiency, needs to be added coolant operation, and therefore control unit controls check valve 116 and opens so that in coolant storage tank 117
Coolant supplements pipe 114 with scheduled volume V1 by the second coolant, check valve the 116, first coolant supplements pipe 113 and three-way valve 111
Supplement the muffler (not shown) flowing into compressor, above-mentioned detection and complement operation are repeated, until current coolant pressure
When force value P1 is more than or equal to specified coolant pressure value P 0, then terminate the detection to coolant and complement operation.
The off-premises station that the present invention provides, including: three-way valve, two-port valve, the first coolant supplement pipe, the second coolant supplements pipe,
Piezometer, check valve, coolant storage tank and control unit；Control unit is used for controlling piezometer and detects current coolant force value
P1, and for current coolant pressure value P 1 being compared with specified coolant pressure value P 0, if P1 < P0, then air-conditioning is described
Device coolant insufficient pressure, therefore controls check valve and opens so that the coolant in coolant storage tank passes through the second coolant with scheduled volume V1
Supplement pipe, check valve, the first coolant supplements pipe and three-way valve supplements the muffler flowing into compressor, and above-mentioned detection is repeated
And complement operation, during until current coolant pressure value P 1 is more than or equal to specified coolant pressure value P 0, then terminate the detection to coolant
And complement operation.Piezometer detection coolant force value is controlled, when coolant force value is less than specified coolant pressure by control unit
During value, control check valve and open so that coolant in coolant storage tank is for the coolant quantity of supplementary reduction, solve determine cold
Matchmaker needs during measuring reduction degree manually to detect thus causes the complicated problem of operating process.
Optionally, for avoiding because in system, current coolant pressure measured by the pressure existence fluctuation build-up of pressure meter 115 of coolant
The fluctuation that value produces, control unit can control piezometer 115 and be carried out continuously n times measurement coolant force value (its with time interval T
In, time interval T can take 1 minute to 24 hours, and preferred time interval T can be 5 minutes, 10 minutes, 20 minutes, 30 points
Clock, 1 hour, 1.5 hours, 2 hours etc.；N can take 2 to 30 times, preferably 3 or 5 times), then take its pressure mean valuesWith
Specified coolant pressure value P 0 compares.Similar with current coolant pressure value P 1, whenTime, now coolant force value
Reaching rated pressure value, coolant quantity is sufficient, it is not necessary to be added coolant operation；WhenTime, now coolant force value does not reaches
To rated pressure value, coolant quantity is not enough, needs to be added coolant operation, therefore control unit control check valve 116 open with
Make coolant in coolant storage tank 117 supplement pipe 114 with scheduled volume V1 by the second coolant, check valve the 116, first coolant supplements
Pipe 113 and three-way valve 111 supplement the muffler flowing into compressor, and above-mentioned detection and complement operation are repeated, until currently
When coolant pressure value P 1 is more than or equal to specified coolant pressure value P 0, then terminate the detection to coolant and complement operation.
Further alternative, by pressure mean valuesAfter comparing with specified coolant pressure value P 0, can pass through
Take coolant change value of pressureCoolant change value of pressure Δ P is compared with default coolant change value of pressure Δ P0
Relatively, judge the amount of leakage of coolant: concrete, as △ P >=△ P0, it is judged that the secondary refrigerant leakage in air-conditioner is too much, passes through room
Interior machine arranges alarm song, Display panel position constantly flashes, Display panel position sends out a warning or Display panel position shows certain
Planting the modes such as code reminds user's air-conditioner coolant to reveal too much, need to contact after-sale service personnel and overhaul air-conditioner；When
During △ P < △ P0, it is judged that air-conditioner exists coolant loss or the micro-leakage in local, cause coolant quantity in air-conditioner not enough, this time control
Unit processed controls to open the time of check valve 116 according to △ P value, makes the coolant in coolant storage tank 117 be supplemented to air-conditioner
In, △ P value is the biggest, illustrates that coolant quantity lacks the most, then the time opening check valve 116 is the longest.
Optionally, as air-conditioner coolant insufficient pressure detected when piezometer, control unit controls check valve 116 and opens super
Spend the scheduled time, or controlled coolant in coolant storage tank 12 and flow into the first coolant with scheduled volume V2 (V2 > V1) and supplement
After pipe 113, if measure current coolant pressure value P 1 still less than specified coolant pressure value P 0 by piezometer 116, this
Time can determine that in coolant storage tank 117 coolant storage deficiency, user need to be reminded to carry out to coolant storage tank 117 and to add coolant
Operation.Or optional, coolant storage tank 117 is arranged pressure-detecting device, when pressure-detecting device measures coolant storage
In tank 117, coolant force value is less than reminding user to carry out interpolation coolant in coolant storage tank 117 during the second scheduled pressure value
Operation.
Optionally, with reference to shown in Fig. 3, off-premises station 11 also includes that protective cover 118, protective cover 118 cover at three-way valve
111, two-port valve the 112, first coolant supplements pipe the 113, second coolant and supplements pipe 114, piezometer 115, check valve 116 and coolant and deposit
On storage tank 117, for protecting with upper-part.
Optionally, trigger the control unit of off-premises station to carry out above-mentioned automatically carrying out coolant quantity detection and supplementary condition is permissible
Including one or more in following:
Automatically carry out coolant quantity detection when mode 1, every time start and supplement.
Mode 2, (such as 1 day, 3 days, 1 week, two weeks, one month, a season or half are set through after a while
Year etc.) after to automatically carry out coolant quantity detection and supplement.
Mode 3, button is set on a remote control, user manually boots coolant quantity detection and supplement, it is achieved to air-conditioner
The manual monitoring of middle coolant quantity, it is possible to further feed back to indoor unit panel viewing area or remote control by coolant testing result
On the viewing area of device.
Can individually be configured with upper type, or mode 1 and mode 3 are combined, mode 2 and mode 3 are combined and are mixed
Arrange.
Embodiment 2,
The invention provides a kind of indoor set, as the indoor set 12 shown in Fig. 1, shown in reference Fig. 4, this indoor set
12 include: coolant injection mouth 121, and coolant injection mouth 121 connects the second port of the coolant injection pipe 133 of online pipe 13.
With reference to shown in Fig. 5, indoor set 12 also includes: protection cap 122, protection cap 122 be covered in coolant injection mouth 121 it
On.
Connect with coolant storage tank 117 owing to the first port of coolant injection pipe 133 supplements pipe 114 by the second coolant,
When needing to add coolant in the coolant storage tank 117 of off-premises station, open protection cap 122, directly outside coolant is added
Interface is connected to coolant injection mouth 121, it is achieved add coolant to coolant storage tank 117.The coolant adding method of the present invention is avoided
The trouble of outdoor interpolation coolant, convenient and swift safety must be carried out.It should be noted that the coolant injection mouth 121 of the present invention is not
It is limited to the position in diagram, can be included in any applicable position on indoor set.
The off-premises station that the present invention provides, including coolant injection mouth and protection cap, coolant injection mouth connects the coolant of online pipe
Second port of filler line, connects with coolant storage tank owing to the first port of coolant injection pipe supplements pipe by the second coolant,
When needing to add coolant in the coolant storage tank of off-premises station, open protection cap, directly outside coolant is added interface even
Receive coolant injection mouth, can realize adding coolant to coolant storage tank, solve the problem being difficult to add coolant to off-premises station.
Embodiment 3,
The invention provides the control method of a kind of off-premises station, the off-premises station 11 being applied in above-described embodiment, with reference to Fig. 6
Shown in, the method includes:
S101, start shooting after a period of time reaches steady operational status at air-conditioner, control piezometer and detect current coolant pressure
Force value P1.
S102, current coolant pressure value P 1 is compared with specified coolant pressure value P 0.
If S103 is P1 >=P0, then and carry out step S104, otherwise, carry out step S105.
If S104 is P1 >=P0, and the most now coolant force value reaches rated pressure value, and coolant quantity is sufficient, it is not necessary to add
Add coolant operation.
If S105 is P1, < P0 controls check valve and opens so that the coolant in coolant storage tank passes through second with scheduled volume V1
Coolant supplements pipe, check valve, the first coolant supplements pipe and three-way valve supplements the muffler flowing into compressor, then jumps back to step
S101, during until current coolant pressure value P 1 is more than or equal to specified coolant pressure value P 0, then terminates the detection to coolant and supplements
Operation.
Owing to the control method of the off-premises station in the embodiment of the present invention may be used for performing above-mentioned off-premises station, therefore, its institute
Obtainable technique effect also refers to said apparatus embodiment, and the embodiment of the present invention does not repeats them here.
Optionally, with reference to shown in Fig. 7, the method also includes:
If S106 controlled check valve open exceed the scheduled time after or controlled coolant with scheduled volume V2 (V2 >
V1) flowing into after the first coolant supplements pipe, current coolant pressure value P 1 still less than specified coolant pressure value P 0, then carries out step
S107, otherwise jumps back to step S101.
S107, prompting user carry out adding the operation of coolant to coolant storage tank.
Embodiment 4,
The invention provides the control method of another kind of off-premises station, the off-premises station 11 being applied in above-described embodiment, reference
Shown in Fig. 8, the method includes:
S201, start shooting after a period of time reaches steady operational status at air-conditioner, control piezometer continuous with time interval T
N times detect described first coolant and supplement the coolant force value in pipe.
S202, coolant force value n times detected take its averageCompare with specified coolant pressure value P 0.
If S203Then carry out step S204, otherwise, carry out step S205.
If S204The most now coolant force value reaches rated pressure value, and coolant quantity is sufficient, it is not necessary to add
Add coolant operation.
If S205Take coolant change value of pressure Δ P=| P-P0 |, by coolant change value of pressure Δ P with default
Coolant change value of pressure Δ P0 compares.
If S206 Δ P >=Δ P0, then carry out step S207, otherwise, carry out step S208.
If S207 Δ P >=Δ P0, then remind user's secondary refrigerant leakage too much.
If S208 is Δ P < Δ P0, then control to open the time of check valve according to described coolant change value of pressure Δ P.
Owing to the control method of the off-premises station in the embodiment of the present invention may be used for performing above-mentioned off-premises station, therefore, its institute
Obtainable technique effect also refers to said apparatus embodiment, and the embodiment of the present invention does not repeats them here.
Should be understood that in various embodiments of the present invention, the size of the sequence number of above-mentioned each process is not meant to perform suitable
The priority of sequence, the execution sequence of each process should determine with its function and internal logic, and should be to the enforcement of the embodiment of the present invention
Process constitutes any restriction.
Those of ordinary skill in the art are it is to be appreciated that combine the list of each example that the embodiments described herein describes
Unit and algorithm steps, it is possible to being implemented in combination in of electronic hardware or computer software and electronic hardware.These functions are actually
Perform with hardware or software mode, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel
Each specifically should being used for can be used different methods to realize described function, but this realization is it is not considered that exceed
The scope of the present invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, equipment and method, permissible
Realize by another way.Such as, apparatus embodiments described above is only schematically, such as, and described unit
Dividing, be only a kind of logic function and divide, actual can have other dividing mode, the most multiple unit or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, equipment or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.
If described function is using the form realization of SFU software functional unit and as independent production marketing or use, permissible
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is the most in other words
The part contributing prior art or the part of this technical scheme can embody with the form of software product, this meter
Calculation machine software product is stored in a storage medium, including some instructions with so that a computer equipment (can be individual
People's computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.
And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (English full name: read-only memory, English letter
ROM), random access memory (English full name: random access memory, English abbreviation: RAM), magnetic disc or light claim:
The various medium that can store program code such as dish.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (11)
1. an off-premises station, it is characterised in that connecting indoor set by online pipe, wherein, described online pipe includes trachea, liquid pipe
With coolant injection pipe, described off-premises station includes: three-way valve, two-port valve, the first coolant supplement pipe, the second coolant supplements pipe, pressure
Meter, check valve and coolant storage tank, the first port of described three-way valve connects the first port of described trachea, described three-way valve
Second port connects the muffler of the compressor of described off-premises station, and the 3rd port of described three-way valve connects described first coolant and mends
Filling the first port of pipe, the first port of described two-port valve connects the throttling arrangement of described off-premises station, the second of described two-port valve
Port connects the first port of described liquid pipe, and described first coolant supplements the first end of the second port described check valve of connection of pipe
Mouthful, the second port of described check valve connects described second coolant and supplements the first port of pipe, and described second coolant supplements pipe
Second port connects described coolant storage tank, and described second coolant supplements the 3rd port of pipe and connects the of described coolant injection pipe
Single port, described piezometer is connected to described first coolant and supplements on pipe for detecting the coolant that described first coolant supplements in pipe
Pressure；Described off-premises station also includes:
Control unit, is connected with described piezometer and described check valve respectively, and described control unit is used for controlling described piezometer
Detect current coolant pressure value P 1, and for described current coolant pressure value P 1 is compared with specified coolant pressure value P 0
Relatively, if P1 < P0, control described check valve open so that coolant in described coolant storage tank with scheduled volume V1 by described the
Two coolant supplement pipe, described check valve, described first coolant supplements pipe and described three-way valve supplements and flows into described compressor
Muffler, is repeated above-mentioned detection and complement operation, until described current coolant pressure value P 1 is more than or equal to described specified cold
During matchmaker's pressure value P 0, then terminate the detection to coolant and complement operation.
Off-premises station the most according to claim 1, it is characterised in that
Described control unit, supplements with time interval T N continuous time described first coolant of detection specifically for controlling described piezometer
Coolant force value in pipe, and take its averageCompare with specified coolant pressure value P 0.
Off-premises station the most according to claim 2, it is characterised in that
Described control unit, is additionally operable to take coolant change value of pressureCoolant change value of pressure Δ P is cold with default
Matchmaker change value of pressure Δ P0 compares, if Δ P>=Δ P0, reminds user's secondary refrigerant leakage excessive, if Δ P<Δ is P0, then
Control to open the time of described check valve according to described coolant change value of pressure Δ P.
Off-premises station the most according to claim 1, it is characterised in that
Described control unit, if be additionally operable to have controlled described check valve open exceed the scheduled time after or controlled described
After coolant supplements pipe with scheduled volume V2 described first coolant of inflow, described current coolant pressure value P 1 is specified still less than described
Coolant pressure value P 0, then remind user to carry out adding the operation of coolant to described coolant storage tank.
Off-premises station the most according to claim 1, it is characterised in that described off-premises station also includes:
Protective cover, cover described three-way valve, two-port valve, the first coolant supplements pipe, the second coolant supplements pipe, piezometer, unidirectional
On valve and coolant storage tank.
6. an indoor set, it is characterised in that connecting off-premises station by online pipe, wherein, described online pipe includes trachea, liquid pipe
With coolant injection pipe, described indoor set includes: coolant injection mouth, and wherein, described coolant injection mouth connects described coolant injection pipe
The second port.
7. the control method of an off-premises station, it is characterised in that described method includes:
Control piezometer and detect current coolant pressure value P 1, and by described current coolant pressure value P 1 and specified coolant force value
P0 compares, if P1 < P0, controls check valve and opens so that the coolant in coolant storage tank is cold by second with scheduled volume V1
Matchmaker supplements pipe, described check valve, the first coolant supplements pipe and three-way valve supplements the muffler flowing into compressor, is repeated
State detection and complement operation, during until described current coolant pressure value P 1 is more than or equal to described specified coolant pressure value P 0, then tie
Restraint the detection to coolant and complement operation.
Method the most according to claim 7, it is characterised in that described control piezometer detects current coolant pressure value P 1,
Including:
Control described piezometer and detect, with time interval T N continuous time, the coolant force value that described first coolant supplements in pipe, and take
Its averageCompare with specified coolant pressure value P 0.
Method the most according to claim 8, it is characterised in that described method also includes:
Take coolant change value of pressureBy described coolant change value of pressure Δ P and default coolant change value of pressure Δ
P0 compares, if Δ P>=Δ P0, reminds user's secondary refrigerant leakage too much, if Δ P<Δ is P0, then according to described coolant pressure
Power changing value Δ P controls to open the time of described check valve.
Method the most according to claim 7, it is characterised in that described method also includes:
If controlled described check valve open exceed the scheduled time after or controlled described coolant with scheduled volume V2 flow into
After described first coolant supplements pipe, described current coolant pressure value P 1 still less than described specified coolant pressure value P 0, then carries
Awake user carries out adding the operation of coolant to described coolant storage tank.
11. 1 kinds of air-conditioners, including the off-premises station according to any one of as described in claim 1-5, as claimed in claim 6
Indoor set and online pipe, wherein, described online pipe comprises trachea, liquid pipe and coolant injection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610565100.8A CN106196335A (en) | 2016-07-14 | 2016-07-14 | Outdoor unit, indoor unit, outdoor unit control method and air conditioner |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201610565100.8A CN106196335A (en) | 2016-07-14 | 2016-07-14 | Outdoor unit, indoor unit, outdoor unit control method and air conditioner |
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| CN201610565100.8A Pending CN106196335A (en) | 2016-07-14 | 2016-07-14 | Outdoor unit, indoor unit, outdoor unit control method and air conditioner |
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| CN107702291A (en) * | 2017-10-31 | 2018-02-16 | 广东美的暖通设备有限公司 | A kind of control method of coolant injection, control system and air conditioner |
| CN108626844A (en) * | 2018-04-18 | 2018-10-09 | 芜湖乐锐思信息咨询有限公司 | The application method of heating ventilation air-conditioning system based on big data technology |
| CN108800686A (en) * | 2018-07-28 | 2018-11-13 | 珠海格力电器股份有限公司 | Air conditioner |
| CN110500735A (en) * | 2019-07-17 | 2019-11-26 | 视联动力信息技术股份有限公司 | Refrigerant pressure control method, device, equipment and the air-conditioning of the apparatus of air conditioning |
| CN110671784A (en) * | 2019-10-28 | 2020-01-10 | 宁波奥克斯电气股份有限公司 | Air conditioning system refrigerant circulation control method and device and air conditioning system |
| CN110887166A (en) * | 2018-09-10 | 2020-03-17 | 奥克斯空调股份有限公司 | Air conditioner refrigerant leakage detection method and air conditioner |
| CN112880126A (en) * | 2021-01-26 | 2021-06-01 | 青岛海尔空调器有限总公司 | Method and device for detecting refrigerant quantity of refrigerating system and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107702291A (en) * | 2017-10-31 | 2018-02-16 | 广东美的暖通设备有限公司 | A kind of control method of coolant injection, control system and air conditioner |
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| CN108626844A (en) * | 2018-04-18 | 2018-10-09 | 芜湖乐锐思信息咨询有限公司 | The application method of heating ventilation air-conditioning system based on big data technology |
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| CN110500735B (en) * | 2019-07-17 | 2021-06-29 | 视联动力信息技术股份有限公司 | Refrigerant pressure control method and device for air conditioning equipment, equipment and air conditioner |
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| CN110671784B (en) * | 2019-10-28 | 2021-06-11 | 宁波奥克斯电气股份有限公司 | Air conditioning system refrigerant circulation control method and device and air conditioning system |
| CN112880126A (en) * | 2021-01-26 | 2021-06-01 | 青岛海尔空调器有限总公司 | Method and device for detecting refrigerant quantity of refrigerating system and air conditioner |
| WO2022160672A1 (en) * | 2021-01-26 | 2022-08-04 | 青岛海尔空调器有限总公司 | Method and apparatus for measuring amount of refrigerant in refrigeration system, and air conditioner |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong. Applicant after: HISENSE HOME APPLIANCE GROUP Co.,Ltd. Applicant after: Hisense (Guangdong) Air Conditioning Co., Ltd. Address before: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong. Applicant before: Hisense Kelon Electrical Holdings Co.,Ltd. Applicant before: Hisense (Guangdong) Air Conditioning Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |