CN105987430A - Household air conditioner and anti-condensation method thereof - Google Patents
Household air conditioner and anti-condensation method thereof Download PDFInfo
- Publication number
- CN105987430A CN105987430A CN201510062120.9A CN201510062120A CN105987430A CN 105987430 A CN105987430 A CN 105987430A CN 201510062120 A CN201510062120 A CN 201510062120A CN 105987430 A CN105987430 A CN 105987430A
- Authority
- CN
- China
- Prior art keywords
- temperature
- return air
- capillary tube
- heat exchanger
- capillary
- 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
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a household air conditioner and an anti-condensation method thereof. The household air conditioner comprises a compressor, a four-way valve, an outdoor heat exchanger and an indoor heat exchanger, and further comprises a first capillary tube, a second capillary tube, a third capillary tube, a solenoid valve, a first check valve and a second check valve; the first capillary tube, the second capillary tube and the third capillary tube are communicated in series; the solenoid valve is communicated with the first check valve in series and then is communicated with the second capillary tube in parallel; the second check valve is communicated with the third capillary tube in parallel; one end of the first capillary tube is communicated with the outdoor heat exchanger; one end of the third capillary tube is communicated with the indoor heat exchanger; and the four-way valve is communicated with one end of the outdoor heat exchanger and one end of the indoor heat exchanger and the two ends of the compressor. By additionally arranging the capillary tubes, the solenoid valve and the check valves, accurate control of an air conveying temperature of an indoor unit of the air conditioner is realized and the condensation is prevented.
Description
Technical field
The present invention relates to household appliance technical field, particularly relate to a kind of domestic air conditioning and the method preventing its condensation.
Background technology
Along with the raising of quality of life, user is more and more higher to the requirement of air conditioner performance, the most solidifying
Dew problem.The condensation problem of indoor apparatus of air conditioner is mainly reflected in two aspects: 1. air-conditioner panel surface has solidifying
Bear water generation；2. air-supply process has the globule to blow out.At present, on market in panel machine for prevent wind guide strip coagulate
Dew almost all uses the method in the flocking of wind guide strip windward side.On wind guide strip, flocking can increase wind guide strip
Thermal conduction resistance so that increase with the temperature in hot air face, thus reduce the probability of condensation.But
It is when room air dew point temperature is too high or wind pushing temperature is too low, and condensation remains inevasible.And,
Generally used heat-barrier material possesses certain water absorption, and after life-time service, its thermal insulation can significantly decay,
Thus lose anti-condensation ability.For domestic air conditioning, in addition to the high-end unit of part, generally use capillary tube
Throttle, flow system flow and pressure can not accurately be controlled, when wind pushing temperature is less than air dew point temperature,
Dew condensation phenomenon will be produced.
Summary of the invention
It is an object of the invention to overcome above deficiency and defect propose a kind of domestic air conditioning and prevent its condensation
Method.
For reaching this purpose, the present invention by the following technical solutions:
1, a kind of domestic air conditioning, it includes compressor, cross valve, outdoor heat exchanger and indoor set；Described room
Interior machine includes body, the indoor heat exchanger being located in body, control system, blower fan, is arranged at body return air
The first temperature sensor at Kou and humidity sensor, and it is arranged at the second temperature sensing of body air outlet
Device；It is characterized in that: also include the first capillary tube, the second capillary tube, three capillary, electromagnetic valve,
One check valve and the second check valve；Described first capillary tube, the second capillary tube and three capillary serial communication；
Described electromagnetic valve connects with after described first check valve serial communication and with described second capillary paralleling；Described
Second check valve and described three capillary parallel communication；One end of described first capillary tube is changed with described outdoor
Hot device connects；One end of described three capillary connects with described indoor heat exchanger；Described cross valve is communicated in
One end of described outdoor heat exchanger and one end of indoor heat exchanger, and the two ends of described compressor.
Preferably, be provided with the first temperature sensor, step 1 in described indoor set at return air inlet) in utilize described
First temperature sensor detection return air temperature.
Preferably, be provided with humidity sensor, step 2 at return air inlet in described indoor set) in utilize described wet
Degree sensor detection return air humidity.
Preferably, setup algorithm program, step 2 in the control system of indoor set) in described return air detected
Described calculation procedure is utilized to calculate dew point temperature after temperature and described return air humidity.
Preferably, be provided with the second temperature sensor, step 4 at described indoor set inner wind outlet) in utilize described
Second temperature sensor detection wind pushing temperature.
A kind of method preventing above-mentioned domestic air conditioning condensation, comprises the following steps:
1), the return air temperature of detection return air inlet, and record Temperature numerical；The return air humidity of detection return air inlet,
And record humidity；
2) dew point temperature of room air, is calculated according to the return air temperature recorded and return air humidity；
3), the wind pushing temperature of detection air outlet, and record Temperature numerical；
4), the stage is judged: set temperature difference initial value as t, calculate described dew point temperature and described wind pushing temperature
Difference DELTA T；
As Δ T > t, reduce evaporating pressure and evaporating temperature, make wind pushing temperature reduce；
When Δ T < during t, improves evaporating pressure and evaporating temperature, makes wind pushing temperature raise.
The present invention is by increasing capillary tube, electromagnetic valve and check valve, it is achieved to indoor apparatus of air conditioner wind pushing temperature
Accurately control, prevent condensation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the air-conditioning that the present invention provides.
Fig. 2 is the flow chart that the indoor set that the present invention provides prevents the method for condensation.
Wherein: 1 is compressor, 2 is cross valve, and 3 is outdoor heat exchanger, and 4 is indoor heat exchanger, and 5 is
One temperature sensor, 6 is humidity sensor, and 7 is the second temperature sensor, and 8 is the first capillary tube, and 9 are
Second capillary tube, 10 is three capillary, and 11 is electromagnetic valve, and 12 is the first check valve, and 13 is the second list
To valve
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
As it is shown in figure 1, a kind of air-conditioning air-conditioning, it includes compressor 1, cross valve 2, outdoor heat exchanger 3 and
Indoor set；Described indoor set includes body, be located in body indoor heat exchanger 4, control system, blower fan,
It is arranged at the first temperature sensor 5 at body return air inlet and humidity sensor 6, and is arranged at body air-supply
Second temperature sensor 7 of mouth；It is characterized in that: also include first capillary tube the 8, second capillary tube 9,
Three capillary 10, electromagnetic valve the 11, first check valve 12 and the second check valve 13；Described first capillary tube 8,
Second capillary tube 9 and three capillary 10 serial communication；Described electromagnetic valve 11 and described first check valve 12
After serial communication and with described second capillary tube 9 parallel communication；Described second check valve 13 with described 3rd mao
Tubule 10 parallel communication；One end of described first capillary tube 8 connects with described outdoor heat exchanger 3；Described
One end of three capillary 10 connects with described indoor heat exchanger 4；Described cross valve 2 is communicated in described outdoor and changes
One end of hot device 3 and one end of indoor heat exchanger 4, and the two ends of described compressor 1.
Difference DELTA T when described dew point temperature Yu described wind pushing temperature > temperature difference initial value t time, described electromagnetic valve
11 close, and coolant, after described compressor 1 compresses, enters described outdoor heat exchanger 3 condensing heat-exchange, so
After through described first capillary tube the 8, second capillary tube 9 reducing pressure by regulating flow, then through described second check valve 13
Enter described indoor heat exchanger 4, return to described compressor 1 and complete kind of refrigeration cycle, reduce evaporating pressure and evaporation
Temperature, makes wind pushing temperature reduce, and improves refrigeration；
When difference DELTA T of described dew point temperature Yu described wind pushing temperature < during temperature difference initial value t, opens described electricity
Magnet valve 11, bypasses a part of coolant, and coolant, after described compressor 1 compresses, enters described outdoor heat exchange
Device 3 condensing heat-exchange, is then passed through described first capillary-compensated blood pressure lowering, then through described electromagnetic valve 11, the
One check valve 12, the second check valve 13 enters described indoor heat exchanger 4, eventually passes back to described compressor 1 complete
Become kind of refrigeration cycle, improve evaporating pressure and evaporating temperature, make wind pushing temperature raise, prevent condensation.
Preferably, be provided with the first temperature sensor 5, step 1 in described indoor set at return air inlet) in utilize institute
State the first temperature sensor detection return air temperature.
Described first temperature sensor 5 is conventional detection device, and accuracy of detection is high, low cost, and is prone to
Change, be applied to indoor set easy to use.
Preferably, be provided with humidity sensor 6, step 2 in described indoor set at return air inlet) in utilize described
Humidity sensor detection return air humidity.
Described humidity sensor 6 is conventional detection device, and accuracy of detection is high, low cost, and is easily changed,
It is applied to indoor set easy to use.
Preferably, setup algorithm program, step 2 in the control system of indoor set) in described return air detected
Described calculation procedure is utilized to calculate dew point temperature after temperature and described return air humidity.
Utilize in control system setup algorithm program to calculate dew point temperature is convenient, fast and also accuracy high,
It is more effectively prevented from and controls the generation of indoor set condensation.
Preferably, be provided with the second temperature sensor 7, step 4 at described indoor set inner wind outlet) in utilize institute
State the second temperature sensor detection wind pushing temperature.
Described second temperature sensor 7 is conventional detection device, and accuracy of detection is high, low cost, and is prone to
Change, be applied to indoor set easy to use.
As in figure 2 it is shown, a kind of method preventing above-mentioned domestic air conditioning condensation, comprise the following steps:
1), the return air temperature of detection return air inlet, and record Temperature numerical；The return air humidity of detection return air inlet,
And record humidity；
2) dew point temperature of room air, is calculated according to the return air temperature recorded and return air humidity；
3), the wind pushing temperature of detection air outlet, and record Temperature numerical；
4), the stage is judged: set temperature difference initial value as t, calculate described dew point temperature and described wind pushing temperature
Difference DELTA T；
As Δ T > t, reduce evaporating pressure and evaporating temperature, make wind pushing temperature reduce；
When Δ T < during t, improves evaporating pressure and evaporating temperature, makes wind pushing temperature raise.
The present invention, by the detection return air temperature of indoor set, rewetting temperature, calculates dew point temperature, then examines
Wind pushing temperature is sent in survey, calculates difference DELTA T of described dew point temperature and described wind pushing temperature；Finally by described
Temperature difference initial value t compares with the size of described dew point temperature with difference DELTA T of described wind pushing temperature, by improving
Wind pushing temperature efficiently avoid the generation of condensation.The temperature difference initial value that indoor set is preset is that condensation is when occurring
Temperature approach, this temperature difference initial value is the numerical value that indoor set drew according to each component capabilities in the design phase.
The know-why of the present invention is described above in association with specific embodiment.These describe and are intended merely to explain this
The principle of invention, and limiting the scope of the invention can not be construed to by any way.Based on herein
Explaining, those skilled in the art need not pay performing creative labour can associate other tool of the present invention
Body embodiment, within these modes fall within protection scope of the present invention.
Claims (6)
1. a domestic air conditioning, it is characterised in that: it includes compressor, cross valve, outdoor heat exchanger and room
Interior machine；Described indoor set includes body, the indoor heat exchanger being located in body, control system, blower fan, sets
It is placed in the first temperature sensor at body return air inlet and humidity sensor, and is arranged at body air outlet
Second temperature sensor；It is characterized in that: also include the first capillary tube, the second capillary tube, three capillary,
Electromagnetic valve, the first check valve and the second check valve；Described first capillary tube, the second capillary tube and the 3rd capillary
Pipe serial communication；After described electromagnetic valve and described first check valve serial communication and with described second capillary tube also
Connection connection；Described second check valve and described three capillary parallel communication；One end of described first capillary tube
Connect with described outdoor heat exchanger；One end of described three capillary connects with described indoor heat exchanger；Described
Cross valve is communicated in one end of described outdoor heat exchanger and one end of indoor heat exchanger, and described compressor
Two ends.
Domestic air conditioning the most according to claim 1, it is characterised in that: in described indoor set at return air inlet
Be provided with the first temperature sensor, step 1) in utilize described first temperature sensor detection return air temperature.
Domestic air conditioning the most according to claim 1, it is characterised in that: in described indoor set at return air inlet
Be provided with humidity sensor, step 2) in utilize described humidity sensor detect return air humidity.
Domestic air conditioning the most according to claim 1, it is characterised in that: the control system of indoor set sets
Determine calculation procedure, step 2) in after described return air temperature and described return air humidity being detected, utilize described meter
Calculation program calculates dew point temperature.
Domestic air conditioning the most according to claim 2, it is characterised in that: at described indoor set inner wind outlet
Be provided with the second temperature sensor, step 4) in utilize described second temperature sensor detection wind pushing temperature.
6. the method for the domestic air conditioning condensation that a kind prevents described in claim 1-5, it is characterised in that: include
Following steps:
1), the return air temperature of detection return air inlet, and record Temperature numerical；The return air humidity of detection return air inlet,
And record humidity；
2) dew point temperature of room air, is calculated according to the return air temperature recorded and return air humidity；
3), the wind pushing temperature of detection air outlet, and record Temperature numerical；
4), the stage is judged: set temperature difference initial value as t, calculate described dew point temperature and described air-supply temperature
Difference DELTA T of degree；
As Δ T > t, reduce evaporating pressure and evaporating temperature, make wind pushing temperature reduce；
When Δ T < during t, improves evaporating pressure and evaporating temperature, makes wind pushing temperature raise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510062120.9A CN105987430A (en) | 2015-02-05 | 2015-02-05 | Household air conditioner and anti-condensation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510062120.9A CN105987430A (en) | 2015-02-05 | 2015-02-05 | Household air conditioner and anti-condensation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105987430A true CN105987430A (en) | 2016-10-05 |
Family
ID=57037392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510062120.9A Pending CN105987430A (en) | 2015-02-05 | 2015-02-05 | Household air conditioner and anti-condensation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105987430A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918120A (en) * | 2017-03-27 | 2017-07-04 | 广东美的制冷设备有限公司 | Air-conditioner anti-condensation control system, air-conditioner and condensation prevention control method |
| CN107869830A (en) * | 2017-11-13 | 2018-04-03 | 珠海格力电器股份有限公司 | Air-conditioner control method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100261810B1 (en) * | 1997-11-20 | 2000-07-15 | 구자홍 | Heat pump air-conditioner |
| JP2007170769A (en) * | 2005-12-26 | 2007-07-05 | Hitachi Ltd | Air conditioner |
| CN101986051A (en) * | 2010-11-17 | 2011-03-16 | 海尔集团公司 | Frequency conversion air-conditioner and method for controlling refrigerant flow in frequency conversion air-conditioner |
| CN102331799A (en) * | 2010-07-13 | 2012-01-25 | 上海朗诗建筑科技有限公司 | Dew condensation prevention protection method for programmable dew point temperature controller |
| CN202561935U (en) * | 2012-05-09 | 2012-11-28 | 普鲁卡姆电器（上海）有限公司 | Heat-pump air conditioner |
| CN202813581U (en) * | 2012-07-20 | 2013-03-20 | 秦皇岛长丰太和新能源有限公司 | Improved household central air-conditioner anti-freeze heat pump unit system |
-
2015
- 2015-02-05 CN CN201510062120.9A patent/CN105987430A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100261810B1 (en) * | 1997-11-20 | 2000-07-15 | 구자홍 | Heat pump air-conditioner |
| JP2007170769A (en) * | 2005-12-26 | 2007-07-05 | Hitachi Ltd | Air conditioner |
| CN102331799A (en) * | 2010-07-13 | 2012-01-25 | 上海朗诗建筑科技有限公司 | Dew condensation prevention protection method for programmable dew point temperature controller |
| CN101986051A (en) * | 2010-11-17 | 2011-03-16 | 海尔集团公司 | Frequency conversion air-conditioner and method for controlling refrigerant flow in frequency conversion air-conditioner |
| CN202561935U (en) * | 2012-05-09 | 2012-11-28 | 普鲁卡姆电器（上海）有限公司 | Heat-pump air conditioner |
| CN202813581U (en) * | 2012-07-20 | 2013-03-20 | 秦皇岛长丰太和新能源有限公司 | Improved household central air-conditioner anti-freeze heat pump unit system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918120A (en) * | 2017-03-27 | 2017-07-04 | 广东美的制冷设备有限公司 | Air-conditioner anti-condensation control system, air-conditioner and condensation prevention control method |
| CN107869830A (en) * | 2017-11-13 | 2018-04-03 | 珠海格力电器股份有限公司 | Air-conditioner control method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203869255U (en) | Defrosting control device | |
| CN104949210B (en) | The control method of air-conditioning system, air conditioner and air-conditioning system | |
| CN103884072A (en) | Air-conditioner, indoor unit and condensation-proof control method of air-conditioner and indoor unit | |
| CN104729163B (en) | Air-conditioning system and its defrosting control method | |
| CN106091251B (en) | A kind of dirty stifled judgment method, device and air-conditioning for heat exchanger | |
| CN105318491B (en) | The control method and device of air conditioner | |
| CN104729029A (en) | Air conditioning system and control method thereof | |
| CN105066363A (en) | Defrosting control method and device of air conditioner | |
| CN203758765U (en) | Test apparatus for the performance of a refrigerating and air-conditioning system | |
| CN104896672B (en) | The defrosting control method and air conditioner of air conditioner | |
| CN105004114A (en) | Air conditioner and defrosting method thereof | |
| CN103292432A (en) | Method and device for accurately regulating electronic expansion valve and temperature-accurately-regulated air conditioner | |
| CN106352627A (en) | Air conditioner and control method and device thereof | |
| CN108518736A (en) | Machine, constant temperature and humidity system and its control method in constant temperature and humidity | |
| CN105333577A (en) | Air conditioner defrosting control method and device | |
| CN104315743A (en) | Temperature-adjusted room dehumidifying air conditioner | |
| CN105258219B (en) | Air conditioner and its control method and control system | |
| CN110173822A (en) | Progress control method, control device, air conditioner and computer readable storage medium | |
| CN104930638A (en) | Heat pump air-conditioning defrosting control method and heat pump air-conditioning system | |
| WO2022222940A1 (en) | Air conditioning unit and defrosting control method therefor | |
| CN109210840A (en) | A kind of Air-Cooled Heat Pump Unit and its defrosting control method | |
| CN107036347A (en) | Can intelligent defrosting heat pump air conditioner, the computer-readable recording medium of heat pump air conditioner | |
| CN107655083A (en) | A kind of device and its implementation of the plenum chamber balanced ventilation of control data center | |
| CN105115033B (en) | A kind of energy saving air-return air conditioner and its control method | |
| CN204373064U (en) | Temp. controllable room dehumidification air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161005 |
|
| WD01 | Invention patent application deemed withdrawn after publication |