CN205580053U - Can delay air conditioner that condenser frosted - Google Patents

Can delay air conditioner that condenser frosted Download PDF

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Publication number
CN205580053U
CN205580053U CN201620198516.6U CN201620198516U CN205580053U CN 205580053 U CN205580053 U CN 205580053U CN 201620198516 U CN201620198516 U CN 201620198516U CN 205580053 U CN205580053 U CN 205580053U
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condenser
air
conditioner
port
valve
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CN201620198516.6U
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赵方亮
程超
武滔
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Abstract

The utility model relates to a can delay air conditioner that condenser frosted, the single -cold type intermediate temperature air -conditioning system comprises a compressor, four -way reversing valve, evaporimeter and condenser, pipeline intercommunication four -way reversing valve's first port is passed through in the export of compressor, four -way reversing valve's second port passes through the import of pipeline intercommunication compressor, four -way reversing valve's third port is established ties in proper order through the pipeline and is had evaporimeter and condenser, and be connected to four -way reversing valve's fourth port, be equipped with first solenoid valve on the pipeline between evaporimeter and the condenser, still be equipped with the defrosting pipeline parallelly connected with first solenoid valve between evaporimeter and the condenser, be equipped with second solenoid valve and coil heat exchanger on the defrosting pipeline, coil heat exchanger arranges in and is equipped with hydrothermal water tank. The utility model discloses going up on the basis of original air conditioner system and realizing the defrosting to the condenser through the hot water that utilizes the water tank, layer detach frost through introducing outside energy at initial stage of the laminiform one -tenth of condenser frost, the realization delays the purpose that the condenser frosted.

Description

A kind of air-conditioner delaying condenser frosting
Technical field
This utility model relates to a kind of air-conditioner delaying condenser frosting, belongs to air conditioner structure design neck Territory.
Background technology
When air-conditioning heats in the winter time, air cooled condenser inevitably there will be frost, especially When it is to run under low temperature and high relative humidity operating mode, condenser surface easily frosting.Along with frost constantly adds Weight, causes condenser heat exchange efficiency to decline, and the condensation temperature (being evaporating temperature when heating) of condenser is no Disconnected decline, the coefficient of performance in heating of air-conditioning also can reduce accordingly.The defrosting that domestic air conditioner uses at present Mode is all to make air-conditioner turn to refrigeration mode by cross valve commutation, and then realizes defrosting.This kind of mode The defrosting to condenser can be realized faster, but can make from indoor absorption heat during defrosting Become indoor temperature to decline, reduce human comfort.Additionally, this kind of Defrost mode can cause electric power energy wave Take.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of air-conditioning delaying condenser frosting Device, removes by utilizing the hot water in water tank to realize condenser on the basis of original air-conditioner system Frost, removed frost layer by introducing external energy at the initial stage that condenser frost layer is formed, it is achieved delay condensation The purpose of device frosting.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: one can delay condenser frosting Air-conditioner, including compressor, four-way change-over valve, vaporizer and condenser, the outlet of described compressor By the first port of pipeline connection four-way change-over valve, the second port of described four-way change-over valve passes through pipeline The import of connection compressor, the 3rd port of described four-way change-over valve has been sequentially connected in series vaporizer by pipeline And condenser, and it is connected to the 4th port of described four-way change-over valve, between described vaporizer and condenser Pipeline be provided with the first electromagnetic valve, be additionally provided with between described vaporizer and condenser with the first electromagnetic valve also The defroster duct of connection, described defroster duct is provided with the second electromagnetic valve and coil heat exchanger, and described coil pipe changes Hot device is placed in equipped with in the water tank of hot water.
The beneficial effects of the utility model are: this utility model introduces equipped with heat on the basis of original air-conditioner The water tank of water realizes removing the initial frost layer of condenser, thus reaches to delay the purpose of frosting.This practicality New structure is simple, reasonable in design, combines the water tank equipped with hot water and come real on the basis of air conditioner refrigerating heats Now delaying condenser temperature, its defrosting process need not four-way change-over valve and commutates, and not The change of indoor temperature can be caused.Owing to this utility model is just to carry out at the initial stage formed in condenser frost layer Defrosting, therefore can be prevented effectively from the growth of frost layer, it is to avoid the serious frosting of condenser.Additionally, this practicality Novel on the basis of not interrupting heating operations, it is achieved condenser delays frosting, can effectively improve heat supply The comfortableness in room.Simultaneously as the heat of this utility model defrosting comes from the hot water in water tank, Therefore the heating performance of air-conditioner is not reduced.
On the basis of technique scheme, this utility model can also do following improvement.
Further, the pipeline between the second port and the import of compressor of described four-way change-over valve is provided with Gas-liquid separator.
Further, it is additionally provided with choke valve between described first electromagnetic valve and described vaporizer.
Further, the aperture of described choke valve is adjustable.
Choke valve can be adjusted according to relevant Rule of judgment to use above-mentioned further scheme to provide the benefit that Joint aperture, such as big at internal-external temperature difference, when air-conditioner needs with high power operation, increasing that can be suitable The power of compressor, increases throttle valve opening simultaneously and preferably freezes or heating effect to obtain, otherwise, At internal-external temperature difference hour, air-conditioner, with low power run, now can control the power of compressor, Reduce throttle valve opening simultaneously, both can realize refrigeration or heating effect, it is also possible to the relative saving energy.
Further, when described air-conditioner carries out heating mode, the first port of described four-way change-over valve and Three port connections, the 4th port of described four-way change-over valve and the connection of the second port;Described air-conditioner is carried out During refrigeration mode, the first port of described four-way change-over valve and the connection of the 4th port, described four-way change-over valve The 3rd port and the second port connection.
Air-conditioner heats and the cutting of refrigeration mode normally to use above-mentioned further scheme to provide the benefit that Changing, be to be realized by the commutation of four-way change-over valve, the refrigerant flow direction at compressor is constant, and condenser, Refrigerant flow direction at vaporizer can change, thus realize refrigeration or heat.
Further, when described air-conditioner carries out conventional refrigerant or heating mode, described first electromagnetic valve is opened, Described second closed electromagnetic valve;Described air-conditioner carries out heating mode and time frost layer occurs in condenser surface, Described air-conditioner enters defrosting mode, described first closed electromagnetic valve, and described second electromagnetic valve is opened.
Air-conditioner of the present utility model is to tie at condenser to use above-mentioned further scheme to provide the benefit that The frost initial stage just defrosts, and when winter temperature is low, humidity is relatively big, and condenser temperature is too low and occurs slight During frosting (condenser surface has frost layer), the second electromagnetic valve is opened, the first closed electromagnetic valve, (passes through After choke valve throttling) low-temperature low-pressure refrigerant flows through coil heat exchanger and changes with the hot water in water tank Heat so that it is temperature raises, and becomes the gaseous refrigerant of low-voltage high-temperature.Cold-producing medium after intensification flows through condensation Also there is heat exchange in device, the heat that cold-producing medium absorbs from the hot water of water tank is passed to the copper pipe of condenser with Fin so that it is temperature raises, and then melts newly formed frost layer soon, and is evaporated by moisture, it is achieved prolong The purpose of slow cooling condenser frosting.After defrosting terminates, the second closed electromagnetic valve, the first electromagnetic valve is opened, empty Adjust device to recover to routine and heat state.
Further, it is provided with indoor fan at described vaporizer, at described condenser, is provided with outdoor fan.
Further, described indoor fan is positioned at the side of described vaporizer, and described vaporizer is positioned at described At the air outlet of indoor fan;Described outdoor fan is positioned at the side of described condenser, and described condenser It is positioned at the air outlet of described outdoor fan.
Further, when described air-conditioner carries out conventional refrigerant or heating mode, described indoor fan and outdoor Blower fan is all opened;Described air-conditioner carries out heating mode and time frost layer occurs in condenser surface, described air-conditioning Device enters defrosting mode, and described indoor fan is opened, and described outdoor fan is closed.
Use above-mentioned further scheme provide the benefit that air-conditioner of the present utility model when defrosting, Indoor fan does not stops, and will not absorb heat from indoor, and outdoor fan is out of service.
Air-conditioner whole system of the present utility model is divided into refrigeration system and defrosting system.Refrigeration system and one As air-conditioner similar, it is possible to achieve cooling and the heat supply to room, and the defrosting system increased, logical Cross the control of electromagnetic valve, be selectively controlled cold-producing medium and flow through coil heat exchanger and the hot water generation in water tank Heat exchange so that it is temperature raises, the cold-producing medium after intensification flow through condenser the frost layer on its surface is melted until Moisture is evaporated, and the defrosting system of increase is will by introducing external energy at the initial stage that condenser frost layer is formed Frost layer removes, it is possible to achieve delay the purpose of condenser frosting.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model can delay the air-conditioner of condenser frosting;
Fig. 2 is the control principle drawing that this utility model can delay the air-conditioner of condenser frosting.
In accompanying drawing, the list of parts representated by each label is as follows:
1, compressor, 2, gas-liquid separator, 3, four-way change-over valve, 4, vaporizer, 5, choke valve, 6, outdoor fan, 7, condenser, the 8, second electromagnetic valve, 9, water tank, 10, coil heat exchanger, 11, First electromagnetic valve.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for solving Release this utility model, be not intended to limit scope of the present utility model.
As it is shown in figure 1, a kind of air-conditioner delaying condenser frosting, change including compressor 1, four-way To valve 3, vaporizer 4 and condenser 7, the outlet of described compressor 1 is commutated by pipeline connection four-way First port of valve 3, the second port of described four-way change-over valve 3 is entered by pipeline connection compressor 1 Mouthful, the 3rd port of described four-way change-over valve 3 has been sequentially connected in series vaporizer 4 and condenser 7 by pipeline, And it is connected to the 4th port of described four-way change-over valve 3, the pipe between described vaporizer 4 and condenser 7 Road is provided with the first electromagnetic valve 11, is additionally provided with and the first electromagnetic valve between described vaporizer 4 and condenser 7 The defroster duct of 11 parallel connections, described defroster duct is provided with the second electromagnetic valve 8 and coil heat exchanger 10 (tool When body is arranged, the second electromagnetic valve 8 is arranged on defroster duct the side near vaporizer 4, coil heat exchange Device 10 is arranged on defroster duct the side near condenser 7, and when i.e. heating, cold-producing medium is to first pass through Second electromagnetic valve 8, then by coil heat exchanger 10), described coil heat exchanger 10 is placed in equipped with hot water In water tank 9.By utilizing the hot water in water tank 9 to realize cold on the basis of original air-conditioner system The defrosting of condenser 7, removed frost layer by introducing external energy at the initial stage that condenser 7 frost layer is formed, Realizing delaying the purpose of condenser 7 frosting, simple in construction, reasonable in design, its defrosting process need not four Logical reversal valve 3 commutates, and will not cause the change of indoor temperature, can effectively improve heat supply room Comfortableness and the heating performance of air-conditioner will not be reduced.
Pipeline between second port and the import of compressor 1 of described four-way change-over valve 3 is provided with gas-liquid Separator 2.
It is additionally provided with choke valve 5 between described first electromagnetic valve 11 and described vaporizer 4.Described choke valve The aperture of 5 is adjustable.Choke valve 5 can regulate aperture according to relevant Rule of judgment, such as in inside and outside temperature Difference is big, when air-conditioner needs with high power operation, and the power of increasing compressor 1 that can be suitable, simultaneously Increase choke valve 5 aperture preferably to freeze or heating effect to obtain, otherwise, at internal-external temperature difference hour, Air-conditioner, with low power run, now can control the power of compressor 1, reduce choke valve simultaneously 5 apertures, both can realize refrigeration or heating effect, it is also possible to the relative saving energy.
During as it is shown in figure 1, described air-conditioner carries out heating mode, the first end of described four-way change-over valve 3 Mouth connects with the 3rd port, the 4th port of described four-way change-over valve 3 and the connection of the second port;Described sky When adjusting device to carry out refrigeration mode, the first port of described four-way change-over valve 3 and the connection of the 4th port, described 3rd port of four-way change-over valve 3 and the connection of the second port.Air-conditioner heats and refrigeration mode normally Switching, is to be realized by the commutation of four-way change-over valve 3, and the refrigerant flow direction at compressor 1 is constant, and Refrigerant flow direction at condenser 7, vaporizer 4 can change, thus realize refrigeration or heat.
During as in figure 2 it is shown, described air-conditioner carries out conventional refrigerant or heating mode, described first electromagnetic valve 11 open, and described second electromagnetic valve 8 cuts out;Described air-conditioner carries out heating mode and condenser 7 surface When there is frost layer, described air-conditioner enters defrosting mode, and described first electromagnetic valve 11 cuts out, and described the Two electromagnetic valves 8 are opened.Air-conditioner of the present utility model is just to defrost at the condenser 7 frosting initial stage, When winter temperature is low, humidity is relatively big, and condenser 7 temperature is too low and slight frosting (condenser 7 table occurs There is frost layer in face) time, the second electromagnetic valve 8 opens, and the first electromagnetic valve 11 cuts out, and (saves through choke valve 5 After stream) low-temperature low-pressure refrigerant flows through coil heat exchanger 10 and the hot water generation heat exchange in water tank 9, Make its temperature raise, become the gaseous refrigerant of low-voltage high-temperature.Cold-producing medium after intensification flows through condenser 7 And there is heat exchange, the heat that cold-producing medium absorbs from the hot water of water tank 9 is passed to the copper pipe of condenser 7 With fin so that it is temperature raises, and then melts newly formed frost layer soon, and is evaporated by moisture, it is achieved Delay the purpose of condenser 7 frosting.After defrosting terminates, the second electromagnetic valve 8 cuts out, the first electromagnetic valve 11 Opening, air-conditioner recovers to routine to heat state.
It is provided with indoor fan at described vaporizer 4, at described condenser 7, is provided with outdoor fan 6.Described Indoor fan is positioned at the side of described vaporizer 4, and described vaporizer 4 is positioned at going out of described indoor fan At air port;Described outdoor fan 6 is positioned at the side of described condenser 7, and described condenser 7 is positioned at institute State at the air outlet of outdoor fan 6.
When described air-conditioner carries out conventional refrigerant or heating mode, described indoor fan and outdoor fan 6 are equal Open;Described air-conditioner carries out heating mode and time frost layer occurs in condenser 7 surface, and described air-conditioner enters Entering defrosting mode, described indoor fan is opened, and described outdoor fan 6 is closed.Air-conditioning of the present utility model Device is when defrosting, and indoor fan does not stops, and will not be from indoor absorption heat, and outdoor fan 6 Out of service.
Air-conditioner whole system of the present utility model is divided into refrigeration system and defrosting system.Refrigeration system and one As air-conditioner similar, it is possible to achieve cooling and the heat supply to room, and the defrosting system increased, logical Cross the control of electromagnetic valve (first electromagnetic valve the 11, second electromagnetic valve 8), be selectively controlled cold-producing medium stream Hot water generation heat exchange in coil heat exchanger 10 with water tank 9 so that it is temperature raises, the system after intensification Cryogen flows through condenser 7 and the frost layer on its surface is melted until moisture is evaporated, the defrosting system of increase be Frost layer is removed by the initial stage that condenser 7 frost layer is formed by introducing external energy, it is possible to achieve delay condensation The purpose of device frosting.Relating to various pipeline in this utility model all can use the pipeline of this area routine to connect Or other modes.
Below in conjunction with Fig. 1 and Fig. 2, work process of the present utility model is described in detail: enter at air-conditioning During row refrigeration mode, the second electromagnetic valve 8 cuts out, and the first electromagnetic valve 11 is opened, and choke valve 5 is according to phase The Rule of judgment closed regulates aperture.When air-conditioning carries out heating mode, at the initial stage heated, the second electricity Magnet valve 8 is closed, and the first electromagnetic valve 11 is opened.Along with heat is constantly carried out, condenser 7 surface temperature Degree constantly declines, until frost layer occurs.When frost layer occurs in surface condenser 7 being detected, in order to keep away Exempting from the deterioration of condenser 7 frosting, the second electromagnetic valve 8 is opened, and the first electromagnetic valve 11 cuts out, outdoor wind Machine 6 cuts out.After the high-temperature high-pressure refrigerant of compressor 1 outflow flows through indoor machine evaporation 4 heat exchange, Through choke valve 5 throttling become low temperature, through the second electromagnetic valve 8, coil heat exchanger 10 and with In water tank 9 after the heat exchange of hot water, low-temperature low-pressure refrigerant temperature raise, when flowing through condenser 7 and its Copper pipe surface and fin generation heat exchange, cause frost layer to be melted until being evaporated, and then prevent Frosting rate and evil Change.After defrosting terminates, the second electromagnetic valve 8 cuts out, and the first electromagnetic valve 11 is opened, and air-conditioner recovers extremely Routine heats state.Air-conditioner of the present utility model and corresponding control method are logical on the basis of original air-conditioner Crossing the outside hot water energy of introducing, it is just defrosted by initial in condenser 7 frosting, thus effectively Prevent the deterioration of condenser 7 surface frost layer.Additionally, due to during defrosting, heating mode is not Changing or stop, therefore indoor comfort degree will not suffer from this.Energetically, due to this practicality The heat of novel air-conditioner defrosting comes from the water tank 9 equipped with hot water, does not the most reduce air-conditioning The heating performance of device.
In this utility model, unless otherwise clearly defined and limited, term " connect ", " connection ", The term such as " in parallel ", " series connection " should be interpreted broadly, and such as, " connection " can be fixing connection, Can also be to removably connect, or integral;Can be to be mechanically connected, it is also possible to be electrical connection;Permissible To be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two element internals connection or The interaction relationship of two elements, unless otherwise clear and definite restriction.Ordinary skill people for this area For Yuan, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or dark Show relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", The feature of " second " can express or implicitly include at least one this feature.Of the present utility model In description, " multiple " are meant that at least two, such as two, three etc., unless otherwise clearly having The restriction of body.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-mentioned Embodiment is exemplary, it is impossible to be interpreted as restriction of the present utility model, the ordinary skill people of this area Above-described embodiment can be changed in the range of this utility model, revises, replace and modification by member.

Claims (9)

1. can delay an air-conditioner for condenser frosting, including compressor (1), four-way change-over valve (3), Vaporizer (4) and condenser (7), the outlet of described compressor (1) is commutated by pipeline connection four-way First port of valve (3), the second port of described four-way change-over valve (3) passes through pipeline connection compressor (1) import, the 3rd port of described four-way change-over valve (3) has been sequentially connected in series vaporizer by pipeline And condenser (7) (4), and being connected to the 4th port of described four-way change-over valve (3), its feature exists In, the pipeline between described vaporizer (4) and condenser (7) is provided with the first electromagnetic valve (11), The defrosting in parallel with the first electromagnetic valve (11) it is additionally provided with between described vaporizer (4) and condenser (7) Pipeline, described defroster duct is provided with the second electromagnetic valve (8) and coil heat exchanger (10), described coil pipe Heat exchanger (10) is placed in the water tank (9) equipped with hot water.
A kind of air-conditioner delaying condenser frosting, it is characterised in that Pipeline between second port and the import of compressor (1) of described four-way change-over valve (3) is provided with gas Liquid/gas separator (2).
A kind of air-conditioner delaying condenser frosting, it is characterised in that Choke valve (5) it is additionally provided with on pipeline between described first electromagnetic valve (11) and described vaporizer (4).
A kind of air-conditioner delaying condenser frosting, it is characterised in that The aperture of described choke valve (5) is adjustable.
5. according to the air-conditioner delaying condenser frosting a kind of described in any one of Claims 1-4, It is characterized in that, when described air-conditioner carries out heating mode, the first end of described four-way change-over valve (3) Mouth connects with the 3rd port, the 4th port of described four-way change-over valve (3) and the connection of the second port;Institute Stating air-conditioner when carrying out refrigeration mode, the first port of described four-way change-over valve (3) and the 4th port are even Logical, the 3rd port of described four-way change-over valve (3) and the connection of the second port.
A kind of air-conditioner delaying condenser frosting, it is characterised in that When described air-conditioner carries out conventional refrigerant or heating mode, described first electromagnetic valve (11) is opened, described Second electromagnetic valve (8) cuts out;Described air-conditioner carries out heating mode and frost occurs in condenser (7) surface During layer, described air-conditioner enters defrosting mode, and described first electromagnetic valve (11) is closed, described second electricity Magnet valve (8) is opened.
7. according to the air-conditioner delaying condenser frosting a kind of described in any one of Claims 1-4, It is characterized in that, described vaporizer (4) place is provided with indoor fan, and described condenser (7) place is provided with room Outer blower fan (6).
A kind of air-conditioner delaying condenser frosting, it is characterised in that Described indoor fan is positioned at the side of described vaporizer (4), and described vaporizer (4) is positioned at described room At the air outlet of inner blower;Described outdoor fan (6) is positioned at the side of described condenser (7), and institute State condenser (7) to be positioned at the air outlet of described outdoor fan (6).
A kind of air-conditioner delaying condenser frosting, it is characterised in that When described air-conditioner carries out conventional refrigerant or heating mode, described indoor fan and outdoor fan (6) are equal Open;Described air-conditioner carries out heating mode and time frost layer occurs in condenser (7) surface, described air-conditioning Device enters defrosting mode, and described indoor fan is opened, and described outdoor fan (6) is closed.
CN201620198516.6U 2016-03-15 2016-03-15 Can delay air conditioner that condenser frosted Active CN205580053U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109114748A (en) * 2018-08-20 2019-01-01 宁波奥克斯电气股份有限公司 A kind of air-conditioning delays frosting control method, device and air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109114748A (en) * 2018-08-20 2019-01-01 宁波奥克斯电气股份有限公司 A kind of air-conditioning delays frosting control method, device and air conditioner

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