CN106839532A - Air-conditioning system evaporator antifrost icing device - Google Patents

Air-conditioning system evaporator antifrost icing device Download PDF

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Publication number
CN106839532A
CN106839532A CN201710183179.2A CN201710183179A CN106839532A CN 106839532 A CN106839532 A CN 106839532A CN 201710183179 A CN201710183179 A CN 201710183179A CN 106839532 A CN106839532 A CN 106839532A
Authority
CN
China
Prior art keywords
evaporator
temperature
air
condenser
temperature controller
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
Application number
CN201710183179.2A
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Chinese (zh)
Inventor
陈志文
张国玉
高道宇
赵贝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Swan Refrigeration Technology Co Ltd
Original Assignee
Hefei Swan Refrigeration Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hefei Swan Refrigeration Technology Co Ltd filed Critical Hefei Swan Refrigeration Technology Co Ltd
Priority to CN201710183179.2A priority Critical patent/CN106839532A/en
Publication of CN106839532A publication Critical patent/CN106839532A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06Removing frost

Abstract

The invention discloses a kind of air-conditioning system evaporator antifrost icing device, include temperature controller and circulate compressor, condenser and the evaporator of connection successively by pipeline, the output end of temperature controller is connected in the control circuit of the axial flow blower of condenser by electrical appliance connecting wire, and the temperature-sensing probe of temperature controller is arranged between adjacent two fins of evaporator.Simple structure of the present invention, easily implements, and can be good at avoiding air-conditioning in the case where outer environment temperature is relatively low, and evaporimeter frosting even freezes.

Description

Air-conditioning system evaporator antifrost icing device
Technical field
The present invention relates to air-conditioning system field, specifically a kind of air-conditioning system evaporator antifrost icing device.
Background technology
Conventional industrial air-conditioning is typically used under temperature operating mode higher, with continuing to develop for industrial air-conditioning industry, work The use environment scope of industry air-conditioning is increasing, and the span of environment temperature is also increasing, except running in high temperature environments, The increasing low temperature situation below 20 DEG C of environment is used.When air-conditioning runs under this low temperature environment, if condensation fan Normal work, can cause air conditioner condensation pressure less than normal value, so as to cause evaporator inner refrigerant evaporating pressure and temperature always Degree is relatively low, and the temperature on air-conditioner evaporator surface is less than zero degree, and the situation that frosting even freezes easily occurs in evaporator.Air-conditioning exists Longtime running occurs that icing is more and more under this state, finally influences the normal of air-conditioning to use.
The content of the invention
The purpose of the present invention is directed to the missing of prior art, there is provided a kind of simple structure, the air-conditioning system easily implemented Evaporator antifrost icing device, can be good at avoiding air-conditioning in the case where outer environment temperature is relatively low, and evaporimeter frosting is very To icing.
Technical scheme is as follows:
A kind of air-conditioning system evaporator antifrost icing device, is included temperature controller and is circulated connection successively by pipeline Compressor, condenser and evaporator, it is characterised in that:The output end of the temperature controller is connected on by electrical appliance connecting wire In the control circuit of the axial flow blower of the condenser, the temperature-sensing probe of temperature controller is arranged on adjacent the two of the evaporator Between individual fin.
Described air-conditioning system evaporator antifrost icing device, it is characterised in that:Between the condenser and evaporator Connecting line on be connected with device for drying and filtering and throttling arrangement in turn.
Described air-conditioning system evaporator antifrost icing device, it is characterised in that:The temperature-sensitive of the temperature controller is visited Head is close on a fin and copper pipe of adjacent two fins of the evaporator.
The temperature-sensing probe of temperature controller can at any time experience the temperature change of evaporator, and temperature controller can be controlled The operating or shutdown of the axial flow blower of condenser.Temperature controller sets a suitable temperature spot, and temperature spot can be according to tool The factors such as environment, the operation of air conditioner situation of body are set.When external environment temperature is in normal temperature or high temperature, evaporator temperature is higher than to set The temperature spot put, temperature controller is in normally off, and the axial flow blower normal work of condenser, air-conditioning refrigeration system is normally transported OK.When external environment temperature is relatively low, condensing pressure causes evaporator temperature to be gradually reduced less than the condensing pressure of normal work, Finally result in evaporator and frosting or icing phenomenon occur.At this moment evaporator temperature is less than temperature controller design temperature, condenser Axial flow blower control circuit disconnect, control condenser axial flow blower be stopped, air-conditioning refrigeration system is out of service(System The compressor of cooling system and the axial flow blower coordinated signals for controlling condenser;Control the axial flow blower operation of condenser, compressor Start;The axial flow blower of condenser is controlled to stop, compressor is also shut down), afterwards evaporator temperature gradually step up, frosting or icing It is rapid to melt, solve the problems, such as that frosting freezes.After condensing pressure is returned to normally, evaporating temperature is also returned to normally therewith Value, the control closing of circuit of the axial flow blower of condenser, outdoor fan is resumed work.Temperature controller is also opened with time delay in itself It is dynamic to set, the frequent start-stop of the axial flow blower of condenser can be prevented, prevent the axial flow blower of condenser from damaging.
The present invention can be very good to carry out defrost frost prevention to air-conditioning, solve air-conditioning when condensed environment temperature is relatively low, because Evaporimeter frosting freezes and causes the problem of refrigeration system cisco unity malfunction.
Beneficial effects of the present invention:
1st, the present invention can solve the problems, such as that A/C evaporator frosting causes refrigeration system cisco unity malfunction, effectively solve When condensed environment temperature is relatively low, the non-serviceable problem of evaporimeter frosting icing greatly expands the use model of air-conditioning to air-conditioning Enclose.
2nd, small volume of the present invention, lightweight, easy for installation, and structure, control are simple, and with low cost, fault rate is low, safely may be used Lean on.
3rd, the present invention is applied widely, can be widely applied to various commercial window, Split wall-mounted and cabinet type industrial air-conditioning Device;Can producing in serial form, also dependent on different operating modes need, field retrofit is carried out to existing air-conditioner, it is convenient and practical.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Specific embodiment
Referring to Fig. 1, a kind of air-conditioning system evaporator antifrost icing device includes temperature controller 4 and by pipe Compressor 1, condenser 2 and the evaporator 3 of connection are circulated in road successively, and the output end of temperature controller 4 is gone here and there by electrical appliance connecting wire 7 It is associated in the control circuit of the axial flow blower 5 of condenser 2, the temperature-sensing probe 6 of temperature controller 4 is arranged on the adjacent of evaporator 3 Between two fins.
In the present invention, device for drying and filtering 8 and throttling are connected with the connecting line between condenser 2 and evaporator 3 in turn Device 9.
The temperature-sensing probe 6 of temperature controller 4 is close on a fin and copper pipe of adjacent two fins of evaporator 3.
Operation principle of the invention is as follows with process:The temperature-sensing probe 6 of temperature controller 4 can at any time experience evaporator 3 temperature change, temperature controller 4 can control the operating or shutdown of the axial flow blower 5 of condenser 2.Temperature controller 4 sets One suitable temperature spot, temperature spot can be set according to factors such as specific environment, operation of air conditioner situations.When external environment temperature In normal temperature or high temperature, the temperature of evaporator 3 is higher than the temperature spot that temperature controller 4 is set, the control condenser of temperature controller 4 The control circuit of 2 axial flow blower 5 be in normally off, the normal work of axial flow blower 5 of condenser 2, air-conditioning refrigeration system is just Often operation.When external environment temperature is relatively low, the temperature of evaporator 3 is less than the temperature spot that temperature controller 4 is set, temperature controller 4 The control circuit of the axial flow blower 5 of condenser 2 is controlled to disconnect, the axial flow blower 5 of condenser 2 is stopped, air-conditioning refrigeration system It is out of service(The compressor of refrigeration system and the axial flow blower coordinated signals for controlling condenser;Control the axial flow blower of condenser Operation, compressor start;The axial flow blower of condenser is controlled to stop, compressor is also shut down), the temperature of finisher 3 gradually carry Height, frosting or the rapid thawing that freezes, reach the problem for preventing frosting from freezing.

Claims (3)

1. a kind of air-conditioning system evaporator antifrost icing device, includes temperature controller and by the pipeline successively company of circulation Compressor, condenser and the evaporator for connecing, it is characterised in that:The output end of the temperature controller is connected by electrical appliance connecting wire In the control circuit of the axial flow blower of the condenser, the temperature-sensing probe of temperature controller is arranged on the adjacent of the evaporator Between two fins.
2. air-conditioning system evaporator antifrost icing device according to claim 1, it is characterised in that:The condenser with It is connected with device for drying and filtering and throttling arrangement on connecting line between evaporator in turn.
3. air-conditioning system evaporator antifrost icing device according to claim 1, it is characterised in that:The temperature control The temperature-sensing probe of device is close on a fin and copper pipe of adjacent two fins of the evaporator.
CN201710183179.2A 2017-03-24 2017-03-24 Air-conditioning system evaporator antifrost icing device Pending CN106839532A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710183179.2A CN106839532A (en) 2017-03-24 2017-03-24 Air-conditioning system evaporator antifrost icing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710183179.2A CN106839532A (en) 2017-03-24 2017-03-24 Air-conditioning system evaporator antifrost icing device

Publications (1)

Publication Number Publication Date
CN106839532A true CN106839532A (en) 2017-06-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710183179.2A Pending CN106839532A (en) 2017-03-24 2017-03-24 Air-conditioning system evaporator antifrost icing device

Country Status (1)

Country Link
CN (1) CN106839532A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108955034A (en) * 2018-08-13 2018-12-07 长虹美菱股份有限公司 A kind of refrigerator method for heating and controlling
CN113357785A (en) * 2021-06-10 2021-09-07 威海广泰空港设备股份有限公司 Low-temperature operation control method for aircraft ground air-conditioning refrigeration system
CN114216170A (en) * 2021-12-20 2022-03-22 珠海格力电器股份有限公司 Air conditioning equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101644511A (en) * 2008-08-06 2010-02-10 Tcl集团股份有限公司 Parallel flow evaporator and anti-freezing method thereof
JP2010038432A (en) * 2008-08-04 2010-02-18 Calsonic Kansei Corp Air conditioning system and control method of air-conditioning system
CN203364511U (en) * 2013-05-27 2013-12-25 广东志高空调有限公司 Air conditioner evaporator with strong heating effect
CN104329842A (en) * 2014-11-08 2015-02-04 合肥天鹅制冷科技有限公司 Air conditioning evaporator device with defrosting function
CN105371524A (en) * 2014-08-26 2016-03-02 青岛海尔空调器有限总公司 Compression type refrigerating and heating air conditioner system and outdoor unit defrosting method thereof
CN105485987A (en) * 2016-01-14 2016-04-13 合肥天鹅制冷科技有限公司 Quick defrosting device for air conditioner evaporator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010038432A (en) * 2008-08-04 2010-02-18 Calsonic Kansei Corp Air conditioning system and control method of air-conditioning system
CN101644511A (en) * 2008-08-06 2010-02-10 Tcl集团股份有限公司 Parallel flow evaporator and anti-freezing method thereof
CN203364511U (en) * 2013-05-27 2013-12-25 广东志高空调有限公司 Air conditioner evaporator with strong heating effect
CN105371524A (en) * 2014-08-26 2016-03-02 青岛海尔空调器有限总公司 Compression type refrigerating and heating air conditioner system and outdoor unit defrosting method thereof
CN104329842A (en) * 2014-11-08 2015-02-04 合肥天鹅制冷科技有限公司 Air conditioning evaporator device with defrosting function
CN105485987A (en) * 2016-01-14 2016-04-13 合肥天鹅制冷科技有限公司 Quick defrosting device for air conditioner evaporator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108955034A (en) * 2018-08-13 2018-12-07 长虹美菱股份有限公司 A kind of refrigerator method for heating and controlling
CN108955034B (en) * 2018-08-13 2021-01-08 长虹美菱股份有限公司 Heating control method for refrigerator
CN113357785A (en) * 2021-06-10 2021-09-07 威海广泰空港设备股份有限公司 Low-temperature operation control method for aircraft ground air-conditioning refrigeration system
CN114216170A (en) * 2021-12-20 2022-03-22 珠海格力电器股份有限公司 Air conditioning equipment
CN114216170B (en) * 2021-12-20 2023-03-31 珠海格力电器股份有限公司 Air conditioning equipment

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