CN105737470A - Defrosting device for refrigeration system - Google Patents

Defrosting device for refrigeration system Download PDF

Info

Publication number
CN105737470A
CN105737470A CN201610135363.5A CN201610135363A CN105737470A CN 105737470 A CN105737470 A CN 105737470A CN 201610135363 A CN201610135363 A CN 201610135363A CN 105737470 A CN105737470 A CN 105737470A
Authority
CN
China
Prior art keywords
interface
reservoir
drain pump
defrosting
refrigeration
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
CN201610135363.5A
Other languages
Chinese (zh)
Inventor
邵长胜
刘建成
任志峰
王彩烈
刘长增
高娟
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.)
Jinan Ourfuture Refrigeration Equipment Co Ltd
Original Assignee
Jinan Ourfuture Refrigeration Equipment 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 Jinan Ourfuture Refrigeration Equipment Co Ltd filed Critical Jinan Ourfuture Refrigeration Equipment Co Ltd
Priority to CN201610135363.5A priority Critical patent/CN105737470A/en
Publication of CN105737470A publication Critical patent/CN105737470A/en
Pending legal-status Critical Current

Links

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
    • F25B41/00Fluid-circulation arrangements
    • 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
    • F25B47/00Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02Defrosting cycles

Abstract

The invention relates to a defrosting device for a refrigeration system. The defrosting device comprises a liquid storage device, wherein a liquid discharge device is arranged above the liquid storage device; a first interface is arranged at the top of the liquid discharge device; a second interface is arranged at the bottom of the liquid discharge device; a high liquid level switch and a low liquid level switch are respectively arranged at the upper part and the lower part of one side of the liquid discharge device; a three-way valve is arranged below the second interface; a third interface and a fourth interface are arranged at the top of the liquid storage device; a fifth interface is arranged at the bottom of the liquid storage device; a first end opening of the three-way valve is connected with the second interface; a second end opening of the three-way valve is connected with an inlet tube; a third end opening of the three-way valve is connected with the third interface; the liquid storage device is connected with the liquid discharge device through a balance tube; and an electromagnetic valve is arranged on the balance tube. According to the defrosting device, the structure design is reasonable, the utilization is convenient, the automatic control of the liquid discharge device is achieved, the labor intensity of workers is reduced, and the working efficiency is improved.

Description

A kind of defrosting device for refrigeration system
Technical field
The present invention relates to a kind of defrosting device for refrigeration system.
Background technology
It is known that refrigeration system is generally made up of compressor, condenser, reservoir, vaporizer, expansion valve, by pipeline, compressor, condenser, reservoir, vaporizer, expansion valve are together in series, form kind of refrigeration cycle path.Refrigeration principle is: the effect of compressor is that vapour pressure relatively low for pressure is shortened into the steam that pressure is higher, makes the volume of steam reduce, and pressure raises.Compressor sucks the working substance steam from vaporizer lower pressure out, so as to pressure sends into condenser after raising, it is condensed into the liquid that pressure is higher within the condenser, after the throttling of expanded valve, after becoming the liquid that pressure is relatively low, sending into vaporizer, in vaporizer, heat absorption is evaporated and is become the steam that pressure is relatively low, it is re-fed into the entrance of compressor, thus completing kind of refrigeration cycle.During due to evaporator operation, temperature is low, after running a period of time, and the easy frosting of evaporator surface, have a strong impact on refrigerating efficiency.When frost layer (ice sheet) thickness of evaporator surface reaches to a certain degree, refrigerating efficiency even drops to less than 30%, causes the bigger waste of electric energy, and shortens the service life of refrigeration system, it is therefore necessary to carry out the defrosting operation of refrigeration system within the suitable cycle.
Existing steam defrost mode is to utilize drain pump, compressor, vaporizer, drain pump is together in series by pipeline, forms defrost circulating path.Defrost principle is: the steam discharged by compressor introduces vaporizer, by vaporizer temporarily as " condenser ", utilizes the heat that steam discharges when condensing, the frost layer of evaporator surface is melted.When defrost completes, by the control of pipeline and valve, the cold-producing medium of drain pump is discharged in reservoir, so that the cold-producing medium in drain pump participates in kind of refrigeration cycle.But, in this process, the control of valve is completed by manual rotation's valve, is accomplished by defrost every several hours once, and the labor intensity of workman is very big, easily makes mistakes, add the probability caused the accident and inefficiency during workman's fatigue.
Summary of the invention
The invention provides a kind of defrosting device for refrigeration system, its structure adds up to rationally, easy to use, it is achieved that automatically controlling of drain pump, alleviates the labor intensity of workman, improves work efficiency, solves problems of the prior art.
The present invention solves above-mentioned technical problem be the technical scheme is that, it includes reservoir, it is arranged over drain pump at reservoir, it is provided with first interface at the top of drain pump, it is provided with the second interface in the bottom of drain pump, a upper lateral part at drain pump, bottom is provided with high level switch, low liquid-level switch, it is connected with three-way valve at the second interface, the top of reservoir is provided with the 3rd interface and the 4th interface, the bottom of reservoir is provided with the 5th interface, first port of three-way valve and the second interface are connected, second port of three-way valve is connected with entering pipe, 3rd port of three-way valve and the 3rd interface are connected, reservoir is connected by balance pipe with drain pump, balance pipe is provided with electromagnetic valve.
The opposite side of described drain pump is provided with the first high liquid level visor, the first low liquid level visor corresponding to the position of high level switch, low liquid-level switch.
One upper lateral part of described reservoir, middle part, bottom are provided with the second high liquid level visor, middle liquid level visor, the second low liquid level visor.
Described drain pump is connected by link with reservoir.
The first interface of described drain pump is provided with the first stop valve.
Described second interface, entrance pipe, the 3rd interface are provided with the second stop valve, enter pipe stop valve, the 3rd stop valve.
4th interface of described reservoir is provided with the 4th stop valve.
The bottom of described reservoir is provided with fixing leg.
Three-way valve, high level switch, low liquid-level switch, electromagnetic valve are connected with controlling device respectively through wire.
The present invention adopts such scheme, has the advantage that
1, during defrost, making three-way valve open from the second port to the direction of the first port, cold-producing medium enters drain pump and carries out defrost circulation.In defrost process, when the cold-producing medium liquid level in drain pump rises to high level switch, opening the electromagnetic valve on balance pipe, make three-way valve open from the first port to the direction of the 3rd port simultaneously, under pressure, cold-producing medium enters reservoir from drain pump.When the cold-producing medium liquid level in drain pump is down to low liquid-level switch, closes the electromagnetic valve on balance pipe, make three-way valve open from the second port to the direction of the first port simultaneously, then continue defrost, if still liquid is crossed and repeated said process at most.When present invention, avoiding defrost, hydrops too much causes that compressor returns liquid liquid hammer.Present invention achieves automatically controlling of drain pump, alleviate the labor intensity of workman, improve work efficiency.
2, the opposite side of drain pump is provided with the first high liquid level visor, the first low liquid level visor corresponding to the position of high level switch, low liquid-level switch, is conducive to workman to observe the liquid level position of drain pump inner refrigerant.
3, a upper lateral part of reservoir, middle part, bottom are provided with the second high liquid level visor, middle liquid level visor, the second low liquid level visor, are conducive to workman to observe the liquid level position of reservoir inner refrigerant.
4, drain pump is connected by link with reservoir, it is simple to fixing of drain pump.
5, the first interface of drain pump is provided with the first stop valve, and the 4th interface of reservoir is provided with the 4th stop valve, thus the cold-producing medium in pipeline plays the effect cut off and throttle.
6, the second interface, entrance pipe, the 3rd interface are provided with the second stop valve, enter pipe stop valve, the 3rd stop valve, are conducive to the maintenance to three-way valve.
7, the bottom of reservoir is provided with fixing leg, it is simple to fixing reservoir.
8, three-way valve, high level switch, low liquid-level switch, electromagnetic valve are connected with controlling device respectively through wire, are advantageously implemented automatically controlling of drain pump further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure, 1, reservoir, 2, drain pump, 3, first interface, 4, second interface, 5, high level switch, 6, low liquid-level switch, 7, three-way valve, 8, 3rd interface, 9, 4th interface, 10, 5th interface, 11, enter pipe, 12, balance pipe, 13, electromagnetic valve, 14, first high liquid level visor, 15, first low liquid level visor, 16, second high liquid level visor, 17, middle liquid level visor, 18, second low liquid level visor, 19, link, 20, first stop valve, 21, second stop valve, 22, enter pipe stop valve, 23, 3rd stop valve, 24, 4th stop valve, 25, fixing leg.
Detailed description of the invention
For knowing the technical characterstic that this programme is described, below by detailed description of the invention, and in conjunction with its accompanying drawing, the present invention will be described in detail.
As shown in FIG., the present invention includes reservoir 1, is arranged over drain pump 2 at reservoir 1, and drain pump 2 is connected by link 19 with reservoir 1.It is provided with first interface 3 at the top of drain pump 2, the second interface 4 it is provided with in the bottom of drain pump 2, it is provided with high level switch 5, low liquid-level switch 6 in a upper lateral part of drain pump 2, bottom, the opposite side of drain pump 2 is provided with first high liquid level visor the 14, first low liquid level visor 15 corresponding to the position of high level switch 5, low liquid-level switch 6, is connected with three-way valve 7 at the second interface 4.The top of reservoir 1 is provided with the 3rd interface 8 and the 4th interface 9, and the bottom of reservoir 1 is provided with the 5th interface 10.One upper lateral part of reservoir 1, middle part, bottom are provided with the second high liquid level visor 16, middle liquid level visor the 17, second low liquid level visor 18.First port and second interface 4 of three-way valve 7 are connected, and the second port of three-way valve 7 is connected with entering pipe 11, and the 3rd port and the 3rd interface 8 of three-way valve 7 are connected.Reservoir 1 is connected by balance pipe 12 with drain pump 2, is provided with electromagnetic valve 13 on balance pipe 12.The first interface 3 of drain pump 2 is provided with the first stop valve 20, and the second interface 4, entrance pipe the 11, the 3rd interface 8 are provided with the second stop valve 21, enter pipe stop valve the 22, the 3rd stop valve 23, and the 4th interface 9 of reservoir 1 is provided with the 4th stop valve 24.The bottom of reservoir 1 is provided with fixing leg 25.Three-way valve 7, high level switch 5, low liquid-level switch 6, electromagnetic valve 13 are connected with controlling device respectively through wire.
During use, the 4th interface 9 of reservoir 1 is connected with the port of export of condenser, compressor by pipeline, and the 5th interface 10 of reservoir 1 is connected with the entrance point of vaporizer, compressor by pipeline, thus forming kind of refrigeration cycle path.The first interface 3 of drain pump 2 passes through the port of export pipeline of pipeline and compressor and connects, and enters pipe 11 and is connected with vaporizer, compressor by pipeline, thus forming defrost circulating path.
During defrost, making three-way valve 7 open from the second port to the direction of the first port, cold-producing medium enters drain pump and carries out defrost circulation.In defrost process, when the cold-producing medium liquid level in drain pump 2 rises to high level switch 5, opening the electromagnetic valve 13 on balance pipe, make three-way valve 7 open from the first port to the direction of the 3rd port simultaneously, under pressure, cold-producing medium enters reservoir 1 from drain pump 2.When the cold-producing medium liquid level in drain pump 2 is down to low liquid-level switch 6, closes the electromagnetic valve 13 on balance pipe 12, make three-way valve 7 open from the second port to the direction of the first port simultaneously, then continue defrost, if still liquid is crossed and repeated said process at most.When present invention, avoiding defrost, hydrops too much causes that compressor returns liquid liquid hammer.Present invention achieves automatically controlling of drain pump, alleviate the labor intensity of workman, improve work efficiency.
The opposite side of drain pump 2 is provided with first high liquid level visor the 14, first low liquid level visor 15 corresponding to the position of high level switch 5, low liquid-level switch 6, is conducive to workman to observe the liquid level position of drain pump 2 inner refrigerant.
One upper lateral part of reservoir 1, middle part, bottom are provided with the second high liquid level visor 16, middle liquid level visor the 17, second low liquid level visor 18, are conducive to workman to observe the liquid level position of reservoir 1 inner refrigerant.
Drain pump 2 is connected by link 19 with reservoir 1, it is simple to fixing of drain pump 2.
The first interface 3 of drain pump 2 is provided with the first stop valve 20, and the 4th interface 9 of reservoir 1 is provided with the 4th stop valve 24, thus the cold-producing medium in pipeline plays the effect cut off and throttle.
Second interface 4, entrance pipe the 11, the 3rd interface 8 are provided with the second stop valve 21, enter pipe stop valve the 22, the 3rd stop valve 23, are conducive to the maintenance to three-way valve 7.
The bottom of reservoir 1 is provided with fixing leg 25, it is simple to fixing reservoir 1.
Three-way valve 7, high level switch 5, low liquid-level switch 6, electromagnetic valve 13 are connected with controlling device respectively through wire, are advantageously implemented automatically controlling of drain pump 2 further.
Above-mentioned detailed description of the invention cannot function as limiting the scope of the invention, and for those skilled in the art, any alternate modification made to embodiment of the present invention or conversion all fall within protection scope of the present invention.
The present invention does not describe part in detail, is the known technology of those skilled in the art of the present technique.

Claims (9)

1. the defrosting device for refrigeration system, including reservoir, it is characterized in that: be arranged over drain pump at reservoir, it is provided with first interface at the top of drain pump, it is provided with the second interface in the bottom of drain pump, a upper lateral part at drain pump, bottom is provided with high level switch, low liquid-level switch, it is connected with three-way valve at the second interface, the top of reservoir is provided with the 3rd interface and the 4th interface, the bottom of reservoir is provided with the 5th interface, first port of three-way valve and the second interface are connected, second port of three-way valve is connected with entering pipe, 3rd port of three-way valve and the 3rd interface are connected, reservoir is connected by balance pipe with drain pump, balance pipe is provided with electromagnetic valve.
2. a kind of defrosting device for refrigeration system according to claim 1, it is characterised in that: the opposite side of described drain pump is provided with the first high liquid level visor, the first low liquid level visor corresponding to the position of high level switch, low liquid-level switch.
3. a kind of defrosting device for refrigeration system according to claim 1, it is characterised in that: a upper lateral part of described reservoir, middle part, bottom are provided with the second high liquid level visor, middle liquid level visor, the second low liquid level visor.
4. a kind of defrosting device for refrigeration system according to claim 1, it is characterised in that: described drain pump is connected by link with reservoir.
5. a kind of defrosting device for refrigeration system according to claim 1, it is characterised in that: the first interface of described drain pump is provided with the first stop valve.
6. a kind of defrosting device for refrigeration system according to claim 1, it is characterised in that: described second interface, entrance pipe, the 3rd interface are provided with the second stop valve, enter pipe stop valve, the 3rd stop valve.
7. a kind of defrosting device for refrigeration system according to claim 1, it is characterised in that: the 4th interface of described reservoir is provided with the 4th stop valve.
8. a kind of defrosting device for refrigeration system according to claim 1, it is characterised in that: the bottom of described reservoir is provided with fixing leg.
9. a kind of defrosting device for refrigeration system according to claim 1, it is characterised in that: three-way valve, high level switch, low liquid-level switch, electromagnetic valve are connected with controlling device respectively through wire.
CN201610135363.5A 2016-03-10 2016-03-10 Defrosting device for refrigeration system Pending CN105737470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610135363.5A CN105737470A (en) 2016-03-10 2016-03-10 Defrosting device for refrigeration system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610135363.5A CN105737470A (en) 2016-03-10 2016-03-10 Defrosting device for refrigeration system

Publications (1)

Publication Number Publication Date
CN105737470A true CN105737470A (en) 2016-07-06

Family

ID=56250273

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610135363.5A Pending CN105737470A (en) 2016-03-10 2016-03-10 Defrosting device for refrigeration system

Country Status (1)

Country Link
CN (1) CN105737470A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2053296A1 (en) * 1990-02-26 1991-08-27 Paul F. Lammert Hot gas defrost refrigeration system
CN201852386U (en) * 2010-11-15 2011-06-01 大连三洋压缩机有限公司 Hot fluorine defrosting refrigerating system of air cooler
CN202581580U (en) * 2012-05-29 2012-12-05 杭州金森科技有限公司 Constant-low-temperature and constant-humidity device for wine cellar
CN103557674A (en) * 2013-11-12 2014-02-05 温岭市钱江化工机械有限公司 Safety control system for hot refrigerant defrosting of refrigerator
CN203518397U (en) * 2013-10-14 2014-04-02 河南千年冷冻设备有限公司 Hot gas defrosting cooling system
US20140130532A1 (en) * 2012-11-14 2014-05-15 Hui Jiunn Chen Refrigeration system utilizing natural circulation of heat to carry out defrosting thereof
CN204312993U (en) * 2014-11-12 2015-05-06 中国石油天然气股份有限公司 A kind of gas-liquid separator automatic drain system with emergent drainage capacity
CN104949409A (en) * 2015-07-13 2015-09-30 金鑫 System and method for flexibly defrosting air-source heat pump without starting compressor
CN105020817A (en) * 2014-10-11 2015-11-04 浙江中广电器股份有限公司 Hot water air-conditioning device and defrosting method using same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2053296A1 (en) * 1990-02-26 1991-08-27 Paul F. Lammert Hot gas defrost refrigeration system
CN201852386U (en) * 2010-11-15 2011-06-01 大连三洋压缩机有限公司 Hot fluorine defrosting refrigerating system of air cooler
CN202581580U (en) * 2012-05-29 2012-12-05 杭州金森科技有限公司 Constant-low-temperature and constant-humidity device for wine cellar
US20140130532A1 (en) * 2012-11-14 2014-05-15 Hui Jiunn Chen Refrigeration system utilizing natural circulation of heat to carry out defrosting thereof
CN203518397U (en) * 2013-10-14 2014-04-02 河南千年冷冻设备有限公司 Hot gas defrosting cooling system
CN103557674A (en) * 2013-11-12 2014-02-05 温岭市钱江化工机械有限公司 Safety control system for hot refrigerant defrosting of refrigerator
CN105020817A (en) * 2014-10-11 2015-11-04 浙江中广电器股份有限公司 Hot water air-conditioning device and defrosting method using same
CN204312993U (en) * 2014-11-12 2015-05-06 中国石油天然气股份有限公司 A kind of gas-liquid separator automatic drain system with emergent drainage capacity
CN104949409A (en) * 2015-07-13 2015-09-30 金鑫 System and method for flexibly defrosting air-source heat pump without starting compressor

Similar Documents

Publication Publication Date Title
US7614249B2 (en) Multi-range cross defrosting heat pump system and humidity control system
CN101526288B (en) Air-conditioner defroster
CN104633835A (en) Defrosting control method for air conditioner
CN104764087B (en) A kind of two-stage heating air conditioner system for possessing defrosting function and its control method
CN105229395B (en) Conditioner
CN106839498B (en) Heat pump air conditioner and control method thereof
US20120198877A1 (en) Heat pump for heat source tower
CN101581522B (en) Method for preventing air-source heat pump from frosting up
CN100552323C (en) The solar energy-air source energy-saving type solution heat pump device
CN203533802U (en) Air-conditioning system
CN100443833C (en) Freezer device
CN103225935B (en) Gas-liquid separator, air source heat recovery system, water chiller and heat pump
ES2043925T3 (en) Air conditioning device.
CN100533003C (en) Air source solution heat pump device based on regeneration of reverse osmosis membrane solution
WO2018082282A1 (en) Multi-split system and liquid return prevention control method thereof during defrosting of multi-split system
CN102042724B (en) Refrigerant control unit, air conditioner refrigeration system and refrigerant cycle control methods
CN102326035A (en) Heat pump
CN100523652C (en) Air source solution type heat pump device
CN101825372A (en) Device and method for combined ejection refrigeration and vapor compression refrigeration cycle
CN103335463B (en) A kind of pump type heat air cooling air conditioner device subregion functionalization defrost system
CN202927982U (en) Air conditioning system
CN202853236U (en) Air cooling system for automatic defrosting by condenser heat
CN101245955A (en) Coolant natural circulation type unit air-conditioning set
CN101644511B (en) Parallel flow evaporator and anti-freezing method thereof
CN203116249U (en) Air cooling air-conditioning system provided with condenser cooling device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160706