CN108344066A - A kind of multi-online air-conditioning system outdoor machine defrosting device - Google Patents
A kind of multi-online air-conditioning system outdoor machine defrosting device Download PDFInfo
- Publication number
- CN108344066A CN108344066A CN201810299124.2A CN201810299124A CN108344066A CN 108344066 A CN108344066 A CN 108344066A CN 201810299124 A CN201810299124 A CN 201810299124A CN 108344066 A CN108344066 A CN 108344066A
- Authority
- CN
- China
- Prior art keywords
- defrosting
- air
- freezing point
- conditioning system
- low freezing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010257 thawing Methods 0.000 title claims abstract description 105
- 238000004378 air conditioning Methods 0.000 title claims abstract description 17
- 239000000243 solution Substances 0.000 claims description 40
- 230000008014 freezing Effects 0.000 claims description 35
- 238000007710 freezing Methods 0.000 claims description 35
- 238000012546 transfer Methods 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 15
- 238000011160 research Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000008054 signal transmission 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
- 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
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of multi-online air-conditioning system outdoor machine defrosting devices, using defrosting control system and remove defrosting system, air velocity transducer is set on the outside of multi-connected machine outdoor unit fin, when multi-connected machine outdoor unit fin outer surface frosting, so the wind speed of outdoor unit air inlet can reduce as the thickness and width of frost layer increases, when the combined wind velocity of air velocity transducer is reduced to given threshold, reach defrosting controller set by remove frost point when, it defrosts using except defrosting system, unit air inlet wind speed reaches after normal operating rate, air velocity transducer sends wind velocity signal with the wind speed after synthesis to defrosting controller after testing, defrosting controller sends frosting defrosting instruction after judging according to setting value, terminate defrosting.The present apparatus is simple in structure, reasonable to removing frost point accuracy of judgement using air velocity transducer, and " accidentally defrosting " probability greatly reduces；Defrosting effect is good, does not consume unit energy itself, good energy saving property；It is reliable for operation, it is easy to control.
Description
Technical field
The invention belongs to building multi-gang air-conditioner device energy conservation research fields, and in particular to a kind of multi-online air-conditioning system
Outdoor machine defrosting device.
Background technology
Multi-online air-conditioning system is in winter under operating condition, if the shape of low temperature and high humidity occurs in the environment of outdoor unit work
Condition is just very easy to frosting, and the frosting problem of outdoor unit unit is normally run to unit brings numerous problems, wherein the most
Outstanding is so that the runnability of unit reduces, therefore the research of the defrosting problem of multi-online air-conditioning system is had become
One permanent research topic has had more than ten kinds for the defrosting control method of unit, has had respectively up to now：Timing removes
White control methods, one time of temperature defrosting control methods, self-correction defrosting control methods, air pressure difference defrosting control methods are maximum averagely to make
More than the ten kinds of defrosting control methods such as heat defrosting control methods；Fuzzy intelligentcontrol defrosting；Refrigerant superheat degree defrosting control methods；
Wind turbine electric current and evaporating temperature jointly control defrosting；The defrosting control methods that comprehensive frosting index (FI) is judged；Indoor, room
Outer dual sensor defrosting control methods；Temperature difference defrosting control methods；One time of temperature difference defrosting control methods；However these defrosting control methods
Although using relatively broad, often occur " thering is frost not remove and frostless defrosting " etc. " accidentally defrosting problem "；
And mainly have electric defrosting for the Defrost method of unit, and reverse cycle defrosting, hot gas bypass defrosting and energy storage defrosting
Etc. modes；As soon as the common disadvantage of these Defrost modes is exactly to have to consumption unit energy itself to defrost, this is to room
Interior thermal comfort affects, and also reduces the runnability of unit.
Invention content
The purpose of the present invention is to provide a kind of multi-online air-conditioning system outdoor machine defrosting devices, to overcome the prior art
It is insufficient.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of multi-online air-conditioning system outdoor machine defrosting device, including defrosting control system and remove defrosting system,
Except defrosting system includes electronic low freezing point solution apptss, electronic low freezing point solution apptss are connected with nozzle, and nozzle is set to machine
Group system outdoor unit fin air inlet, electronic low freezing point solution apptss are used to store the low freezing point solution for defrosting；
The control system that defrosts includes being set to the air velocity transducer of machine set system outdoor unit fin air inlet, air velocity transducer
Wind speed for detecting multi-connected machine outdoor unit air inlet；Air velocity transducer is connected with defrosting controller by wind velocity signal line, removes
White controller is for receiving wind velocity signal and sending out defrosting instruction；Defrosting controller is connected to electronic low ice by the control line that defrosts
Point solution apptss, the hydrojet for controlling electronic low freezing point solution apptss work.
Further, transfer line is equipped with electromagnetic valve switch.
Further, defrosting controller is connected to electromagnetic valve switch by the control line that defrosts.
Further, electronic low freezing point solution apptss are connected with nozzle by transfer line.
Further, low freezing point solution includes molten with cleaning, etch-proof glass aqueous solution, ethylene glycol solution or glycerine
Liquid.
Further, outdoor unit fin air inlet is vertically uniformly provided with multiple air velocity transducers.
Further, outdoor unit fin air inlet is vertically uniformly provided with three air velocity transducers.
Compared with prior art, the present invention has technique effect beneficial below：
A kind of multi-online air-conditioning system outdoor machine defrosting device of the present invention using defrosting control system and removes defrosting system,
Air velocity transducer is set on the outside of multi-connected machine outdoor unit fin, when multi-connected machine outdoor unit fin outer surface frosting, then outdoor unit
The wind speed of air inlet can reduce as the thickness and width of frost layer increases, and air velocity transducer is controlled by wind velocity signal line to defrosting
Device processed sends defrosting wind velocity signal, when the combined wind velocity of air velocity transducer is reduced to given threshold, reaches defrosting controller institute
When removing frost point of setting, defrosting controller send defrosting signal by the control line that defrosts to the switch except defrosting system, and switch is opened,
There is provided infusion power and low freezing point solution by electronic low freezing point solution apptss, conveyed to nozzle through transfer line, reach after nozzle by
Nozzle uniformly defrosts to frosting fin spray low freezing point solution；When defrosting carry out a period of time after, frost layer melt, unit into
After wind wind speed reaches normal operating rate, air velocity transducer sends wind with the wind speed after synthesis to defrosting controller after testing
Fast signal, defrosting controller send frosting defrosting instruction after judging according to setting value, switch is closed, and it is molten no longer to convey low freezing point
Liquid, nozzle stop spray low freezing point solution, terminate defrosting.The present apparatus is simple in structure, is judged removing frost point using air velocity transducer
Accurate reasonable, " accidentally defrosting " probability greatly reduces；Defrosting effect is good, does not consume unit energy itself, good energy saving property；Operation can
It leans on, it is easy to control.
Further, the air inlet wind speed of the high, medium and low position of fin surface integrate and be averaged by air velocity transducer,
It can accurately determine the frosting situation on the outside of multi-connected machine outdoor unit fin.
Description of the drawings
Fig. 1 is present system structural schematic diagram.
Wherein, 1, defrosting control system；2, defrosting system is removed；3, machine set system；4, electronic low freezing point solution apptss；5, solenoid valve
Switch；6, transfer line；7, defrost control line；8, defrost controller；9, wind velocity signal line；10, air velocity transducer；11, nozzle；
12, outdoor unit fin.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of multi-online air-conditioning system outdoor machine defrosting device, including defrosting control system 1, machine set system
3 and remove defrosting system 2,
Except defrosting system 2 includes electronic low freezing point solution apptss 4, electronic low freezing point solution apptss 4 are connected with spray by transfer line 6
Mouth 11, nozzle 11 are set to 3 outdoor unit fin of machine set system, 12 air inlet, and electronic low freezing point solution apptss 4 are used for for storing
The low freezing point solution of defrosting；Nozzle 6 is used to defrost to frosting fin spray low freezing point solution；Transfer line for convey from
Low freezing point solution apptss convey low freezing point solution to nozzle；
Low freezing point solution is included with cleaning, etch-proof glass aqueous solution, ethylene glycol solution or glycerin solution；
Defrosting control system 1 includes being set to the air velocity transducer 10 of 3 outdoor unit fin of machine set system, 12 air inlet, wind speed
Wind speed of the sensor 10 for directly detection and comprehensive multi-connected machine outdoor unit air inlet；Air velocity transducer 10 passes through wind velocity signal line
9 are connected with defrosting controller 8, and defrosting controller 8 is for receiving wind velocity signal and sending out defrosting instruction；Wind velocity signal line 9 is used for
Signal transmission between air velocity transducer 10 and defrosting controller 8；Defrost control line, is used for transmission defrosting instruction and the end of transmission
Defrosting instruction；Defrosting controller 8 is connected to electronic low freezing point solution apptss 4 by the control line 7 that defrosts, for controlling electronic low freezing point
The hydrojet of solution apptss 4 works.
Transfer line 6 is equipped with electromagnetic valve switch 5, and defrosting controller 8 is connected to electromagnetic valve switch by the control line 7 that defrosts
5。
Specifically, 12 air inlet of outdoor unit fin is vertically uniformly provided with three air velocity transducers 10.
Under low temperature and high relative humidity operating mode, once multi-connected machine outdoor unit fin surface frosting, the wind speed of outdoor unit air inlet
Can with frost layer thickness and width increase and reduce, air velocity transducer by the air inlet wind speed of the high, medium and low position of fin surface into
Row synthesis is averaged, and air velocity transducer sends defrosting wind velocity signal by wind velocity signal line to defrosting controller, when wind speed passes
When the combined wind velocity of sensor is reduced to given threshold, reach defrosting controller set by remove frost point when, defrosting controller pass through
The control line that defrosts sends defrosting signal to the switch except defrosting system, and switch is opened, and it is dynamic to provide infusion by electronic low freezing point solution apptss
Power and low freezing point solution convey to nozzle through transfer line, uniformly low freezing point are sprayed to frosting fin from nozzle after arrival nozzle
Solution defrosts；
After defrosting carries out a period of time, frost layer is melted, after unit air inlet wind speed reaches normal operating rate, wind speed
Sensor sends wind velocity signal with the wind speed after synthesis to defrosting controller after testing, after defrosting controller judges according to setting value
Frosting defrosting instruction is sent, switch is closed, and low freezing point solution is no longer conveyed, and nozzle stops spray low freezing point solution, terminates defrosting.
The present apparatus is simple in structure, reasonable to removing frost point accuracy of judgement using air velocity transducer 10, and " accidentally defrosting " probability greatly reduces；Defrosting
Effect is good, does not consume unit energy itself, good energy saving property；It is reliable for operation, it is easy to control.
Claims (7)
1. a kind of multi-online air-conditioning system outdoor machine defrosting device, which is characterized in that including defrosting control system (1) and defrosting system
It unites (2),
Except defrosting system (2) includes electronic low freezing point solution apptss (4), electronic low freezing point solution apptss (4) are connected with nozzle (11), nozzle
(11) it is set to machine set system (3) outdoor unit fin (12) air inlet, electronic low freezing point solution apptss (4) are for storing for removing
The low freezing point solution of frost；
Defrosting control system (1) includes being set to the air velocity transducer (10) of machine set system (3) outdoor unit fin (12) air inlet,
Air velocity transducer (10) is used to detect the wind speed of multi-connected machine outdoor unit air inlet；Air velocity transducer (10) passes through wind velocity signal line
(9) it is connected with defrosting controller (8), defrosting controller (8) is for receiving wind velocity signal and sending out defrosting instruction；Defrost controller
(8) electronic low freezing point solution apptss (4) are connected to by the control line (7) that defrosts, the spray for controlling electronic low freezing point solution apptss (4)
Liquid works.
2. a kind of multi-online air-conditioning system outdoor machine defrosting device according to claim 1, which is characterized in that transfer line
(6) it is equipped with electromagnetic valve switch (5).
3. a kind of multi-online air-conditioning system outdoor machine defrosting device according to claim 2, which is characterized in that defrosting control
Device (8) is connected to electromagnetic valve switch (5) by the control line (7) that defrosts.
4. a kind of multi-online air-conditioning system outdoor machine defrosting device according to claim 1, which is characterized in that electronic low ice
Point solution apptss (4) are connected with nozzle (11) by transfer line (6).
5. a kind of multi-online air-conditioning system outdoor machine defrosting device according to claim 1, which is characterized in that low freezing point is molten
Liquid is included with cleaning, etch-proof glass aqueous solution, ethylene glycol solution or glycerin solution.
6. a kind of multi-online air-conditioning system outdoor machine defrosting device according to claim 1, which is characterized in that outdoor unit wing
Piece (12) air inlet is vertically uniformly provided with multiple air velocity transducers (10).
7. a kind of multi-online air-conditioning system outdoor machine defrosting device according to claim 1 or 6, which is characterized in that outdoor
Machine fin (12) air inlet is vertically uniformly provided with three air velocity transducers (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299124.2A CN108344066A (en) | 2018-04-04 | 2018-04-04 | A kind of multi-online air-conditioning system outdoor machine defrosting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299124.2A CN108344066A (en) | 2018-04-04 | 2018-04-04 | A kind of multi-online air-conditioning system outdoor machine defrosting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108344066A true CN108344066A (en) | 2018-07-31 |
Family
ID=62958378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810299124.2A Pending CN108344066A (en) | 2018-04-04 | 2018-04-04 | A kind of multi-online air-conditioning system outdoor machine defrosting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108344066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543264A (en) * | 2022-01-24 | 2022-05-27 | 青岛海尔空调器有限总公司 | Air conditioner and defrosting control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755297A (en) * | 1993-08-09 | 1995-03-03 | Mitsubishi Heavy Ind Ltd | Vehicular heat pump-type air conditioner |
| CN202885341U (en) * | 2012-05-23 | 2013-04-17 | 苏欢 | Air source heat pump solution auxiliary heating defrosting and regenerating device |
| CN203454504U (en) * | 2013-07-12 | 2014-02-26 | 广东美的暖通设备有限公司 | Intelligent defrosting air conditioning unit |
| CN104819594A (en) * | 2015-04-30 | 2015-08-05 | 南京理工大学 | Frozen regenerated solution defrost heat pump unit |
| CN107339829A (en) * | 2016-05-03 | 2017-11-10 | 青岛海尔新能源电器有限公司 | A kind of control method using electric heated defrosting |
| CN206875775U (en) * | 2017-06-29 | 2018-01-12 | 湖南瑞翼能源股份有限公司 | Outdoor unit defrosting device |
| CN208332509U (en) * | 2018-04-04 | 2019-01-04 | 陕西建工安装集团有限公司 | A kind of multi-online air-conditioning system outdoor machine defrosting device |
-
2018
- 2018-04-04 CN CN201810299124.2A patent/CN108344066A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755297A (en) * | 1993-08-09 | 1995-03-03 | Mitsubishi Heavy Ind Ltd | Vehicular heat pump-type air conditioner |
| CN202885341U (en) * | 2012-05-23 | 2013-04-17 | 苏欢 | Air source heat pump solution auxiliary heating defrosting and regenerating device |
| CN203454504U (en) * | 2013-07-12 | 2014-02-26 | 广东美的暖通设备有限公司 | Intelligent defrosting air conditioning unit |
| CN104819594A (en) * | 2015-04-30 | 2015-08-05 | 南京理工大学 | Frozen regenerated solution defrost heat pump unit |
| CN107339829A (en) * | 2016-05-03 | 2017-11-10 | 青岛海尔新能源电器有限公司 | A kind of control method using electric heated defrosting |
| CN206875775U (en) * | 2017-06-29 | 2018-01-12 | 湖南瑞翼能源股份有限公司 | Outdoor unit defrosting device |
| CN208332509U (en) * | 2018-04-04 | 2019-01-04 | 陕西建工安装集团有限公司 | A kind of multi-online air-conditioning system outdoor machine defrosting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543264A (en) * | 2022-01-24 | 2022-05-27 | 青岛海尔空调器有限总公司 | Air conditioner and defrosting control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107957156B (en) | Defrosting control method for air source heat pump unit | |
| CN106152643B (en) | Air source hot pump water heater Defrost method | |
| CN106871338A (en) | A kind of air-conditioner defrosting control method | |
| CN106931693B (en) | The defrosting control system and control method of air source heat pump or air-to-water heat pump | |
| CN103940163B (en) | Defrosting control method and defrosting control device | |
| CN203454504U (en) | Intelligent defrosting air conditioning unit | |
| CN104676837A (en) | Variable-frequency energy-saving method applied to whole-process temperature difference control of central air conditioner freeze water system | |
| CN103471343B (en) | A kind of refrigerator does not freeze the checkout gear of fault | |
| CN107388699B (en) | A kind of ducting assembly and its control method for refrigerator | |
| CN110513949B (en) | Defrosting control method and device | |
| CN201412993Y (en) | Device for controlling defrosting by pressure difference controller | |
| CN109974201A (en) | Defrosting control method and air source heat pump system | |
| CN209399601U (en) | A kind of net for air-source heat pump units | |
| CN105737389A (en) | Efficient defrosting method and device combining fan speed and pressure control | |
| CN107940877A (en) | A kind of freezer defrosting control system and control method | |
| CN108895734A (en) | Defrosting judgment method for heat pump water heater | |
| CN202420019U (en) | Air conditioning air-cooled heat pump unit | |
| CN201314740Y (en) | Ice storage | |
| CN201072272Y (en) | Heat pump defrosting control device of cooling and heating blower | |
| CN102645080A (en) | Control device and control method used for controlling air door heater according to humidity | |
| CN208332509U (en) | A kind of multi-online air-conditioning system outdoor machine defrosting device | |
| CN108344066A (en) | A kind of multi-online air-conditioning system outdoor machine defrosting device | |
| CN202057136U (en) | Intelligent defrosting control system for cold storage warehouse | |
| CN202853065U (en) | Air conditioner defrosting circulation system | |
| CN110260467B (en) | Air conditioner and anti-freezing protection control method and control device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180731 |
|
| RJ01 | Rejection of invention patent application after publication |