CN205505522U - Freezer hot fluorin defrosting system - Google Patents
Freezer hot fluorin defrosting system Download PDFInfo
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- CN205505522U CN205505522U CN201620037701.7U CN201620037701U CN205505522U CN 205505522 U CN205505522 U CN 205505522U CN 201620037701 U CN201620037701 U CN 201620037701U CN 205505522 U CN205505522 U CN 205505522U
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Abstract
The utility model relates to a freezer hot fluorin defrosting system. Include the compressor that connects gradually through the pipeline, a plurality of ways evaporimeter, reservoir, compressor high -pressure exhaust end enters the mouth through check valve H1, tee bend E1 and reservoir entry linkage through tee bend E2, electromagnetism three -way valve J1 and evaporimeter A exit linkage, evaporimeter A, and accumulator export exports the electromagnetism three - way valve connection compressor low voltage inlet through other through the entry of other way evaporimeters of expansion valve G1 connection, other way evaporimeters. Every evaporimeter is equipped with a check valve and an expansion valve in this application, forms a pipeline behind the check valve exit end intercommunication and connects with the reservoir entry end, and high temperature and high pressure coolant connects the reservoir entry end through the check valve after the evaporimeter condensation like this, gets into other evaporimeters refrigeration through the reservoir again, and this kind of design makes during other refrigeration circuit of refrigerant participation in the reservoir circulate for the refrigeration is better with the defrosting effect.
Description
Technical field
This utility model relates to a kind of defrosting system for refrigeration house, specifically a kind of freezer hot fluorine defrosting system.
Background technology
The refrigeration plant of freezer, its vaporizer, owing to freezing for a long time, vaporizer can coagulate frost or icing, after the solidifying frost of vaporizer or icing, owing to the thermal conductivity of frost layer is low, defines thermal resistance, thus reduces heat exchange efficiency, affect the refrigeration of vaporizer.Freezer Defrost method includes manually sweeping frost, ethylene glycol defrost, electric heater defrosting, water defrosting and hot fluorine defrosting.The more commonly used has electric defrosting, water defrosting and hot fluorine defrosting, and electric heater defrosting automaticity is high, but there is the problems such as energy consumption is high, Energy Efficiency Ratio is low, storehouse temperature fluctuation is big, service life is short, defrost draining difficulty is big.Wind-cooled evaporator water defrosting method is simple to operate, the time is short, if but frost is not rinsed within the time set, after vaporizer normally works, frost layer may become ice sheet, makes defrosting next time more difficult.Present stage is the most frequently used also it is most useful that hot fluorine defrosting, but traditional heat fluorination frost technology is immature, and system is the most unreasonable.During existing freezer defrosting, through the cold-producing medium of evaporator condensation without reservoir, being directly entered other refrigeration refrigeration branch refrigeration, so cause the amount of refrigerant few (major part cold-producing medium is static in reservoir) participating in circulation, refrigeration, defrosting effect are bad.If vaporizer number of packet is few, defrosting effect can be more undesirable, and the particularly little unit of monomer is difficult to defrosting.
Being badly in need of now a kind of system reasonable in design, low cost, defrosting is effective, and is suitable for the defrosting system of small unit.
Summary of the invention
The purpose of this utility model is to provide for a kind of freezer hot fluorine defrosting system, and this system cost is low, rational in infrastructure, defrosting is effective, the freezer hot fluorine defrosting system of the little unit of applicable list.
The technical solution of the utility model is:
If freezer hot fluorine defrosting system includes compressor main line vaporizer, the reservoir being sequentially connected with by pipeline, described compressor high pressure gas end is connected with vaporizer A outlet through threeway E2, three-way solenoid valve J1, vaporizer A entrance is connected with reservoir entrance through check valve H1, threeway E1, reservoir outlet connects the entrance of other road vaporizer through expansion valve G1, and other road evaporator outlet connects compressor low-pressure admission mouth through other three-way solenoid valve.Check valve is identical with the way of vaporizer with the quantity of expansion valve, one one-way valve inlet and an expansion valve outlet connection Hou Yu mono-road evaporator inlet connect, it is connected with reservoir entrance after the connection of all one-way valved outlet, is connected with reservoir outlet after the connection of all expansion valve inlet.
The application provides the benefit that:
1, in the application, each vaporizer is equipped with a check valve and an expansion valve, form a pipeline after the connection of one-way valved outlet end and reservoir arrival end connects, so high-temperature high-pressure refrigerant connects reservoir arrival end by check valve after evaporator condensation, other evaporator refrigeration is entered again through reservoir, this design makes the cold-producing medium in reservoir participate in other refrigerating circuit circulation so that refrigeration and defrosting effect are more preferable.
2, between compressor and condenser, three-way solenoid valve is added, play cut-off effect, during making to defrost, high-temperature high-pressure refrigerant fully enters in defrosting closed circuit and (is directly entered vaporizer defrosting), enters refrigeration cycle without going past condenser, and defrosting effect is more preferable.
Accompanying drawing explanation
Fig. 1 is the application system structure schematic diagram.
Detailed description of the invention
In order to solve a difficult problem for prior art, this application discloses a kind of defrosting system.nullThis system includes compressor 1、Oil eliminator 2、If main line vaporizer 3、4、5、Reservoir 7，Described compressor 1 high pressure gas end connects oil eliminator 2，Oil eliminator 2 connects three-way solenoid valve J1 10(energising by threeway E2 8 and High Temperature High Pressure hot fluorine gas pipe 9 and changes airflow direction)，And then connection vaporizer A 3 exports，Through vaporizer A 3 entrance by check valve H1 11、Liquid refrigerant return pipe 12 and threeway E113 are connected with reservoir 6 entrance，Export by high pressure feed pipe 14 through expansion valve G2 15 through reservoir 6 again、G3 16 connects other vaporizer B4、The entrance of C5 is evaporated refrigeration，Through vaporizer B4、C5 exports by other three-way solenoid valve J2 17、J3 18 connects compressor low-pressure admission mouth and completes defrosting circulation.It is 3 tunnels that freezer uses direct-cooled mode vaporizer minimum；It is 2 tunnels that freezer uses air cooling way vaporizer minimum.Described check valve is consistent with the way of vaporizer with the quantity of expansion valve, and a check valve and an expansion valve outlet end connect Hou Yu mono-road evaporator inlet and connect.Check valve H1, H2, H3 port of export is connected with liquid refrigerant return pipe after connecting, and then is connected with reservoir entrance, and expansion valve G1, G2, G3 arrival end is connected with high pressure feed pipe after connecting, and then is connected with reservoir outlet.The another branch road (refrigeration cycle) of described threeway E2 is provided with hot high pressure fluorine electromagnetic valve K1 19.
Another branch road of the compressor high pressure gas end threeway E2 of the application is refrigeration cycle.Described kind of refrigeration cycle branch road includes compressor, oil eliminator, condenser, reservoir, several vaporizers.Concrete structure is, oil eliminator, threeway E2, hot high pressure fluorine electromagnetic valve K1 it is sequentially provided with between compressor and condenser, threeway E1 it is provided with between condenser and reservoir, between reservoir and vaporizer, it is provided with liquid supply electromagnetic valve K2 20, expansion valve, between vaporizer and compressor, has three-way solenoid valve.
Refrigeration work process: the three-way solenoid valve no power when freezer refrigerating, cold-producing medium returns to compressor low-pressure admission mouth by three-way solenoid valve, through compressor compression high temperature refrigerant through oil eliminator, when freezing with hot high pressure fluorine electromagnetic valve K1(be energized) enter condenser 6 condense, condensed device condensation liquefaction out enters reservoir arrival end, again through reservoir outlet, through filter, it is energized when liquid supply electromagnetic valve K2(freezes), through high pressure feed pipe, evaporator evaporation refrigeration delivered to by expanded valve, and (heat fluorination defrosting system vaporizer is direct-cooled will be more than at least 3 loops, more than air-cooled at least 2 loops), gaseous refrigerant returns to compressor through three-way solenoid valve.
Defrost works: when the decline of freezer evaporimeter frosting too much heat exchange efficiency needs defrost, can install automatic control switch, or hand switch just can complete defrost.
When freezer vaporizer needs defrost, to one of them three-way solenoid valve energising converted gas circulating direction, in unit duty by hot high pressure fluorine electromagnetic valve K1 power-off between compressor and condenser, force high-temperature high-pressure refrigerant through threeway E2, defrost pipe and three-way solenoid valve send into a wherein road vaporizer, defrost is realized to vaporizer heating, high-temperature high-pressure refrigerant through evaporator condensation liquefy after through check valve, liquid refrigerant return pipe and threeway E1 return to reservoir entrance, through reservoir, filter, liquid supply electromagnetic valve enters other evaporator evaporation refrigeration through other expansion valve (more than direct-cooled totally three tunnels or more than air-cooled two-way altogether).When a road vaporizer defrost terminates next road vaporizer defrost of reconvert.
Herein described defrosting system and refrigeration system combination in prior art, it is possible to achieve defrosting while refrigeration (i.e. No. one vaporizer defrosting, other evaporator refrigeration).
This technology effectively solves a freezer defrost difficult problem, and the direct-cooled aluminum in monomer storehouse row vaporizer storehouse only needs three loops just can be fully solved defrost problem, and speed is fast, and reliability is high, is not limited by the power of the assembling unit, and monomer storehouse wind-cooled evaporator only needs two loops.
Claims (3)
1. a freezer hot fluorine defrosting system, it is characterized in that: if system includes compressor main line vaporizer, the reservoir being sequentially connected with by pipeline, described compressor high pressure gas end is connected with vaporizer A outlet through threeway E2, three-way solenoid valve J1, vaporizer A entrance is connected with reservoir entrance through check valve H1, threeway E1, reservoir outlet connects the entrance of other road vaporizer through expansion valve G1, and other road evaporator outlet connects compressor low-pressure admission mouth through other three-way solenoid valve；
Check valve is identical with the way of vaporizer with the quantity of expansion valve, one one-way valve inlet and an expansion valve outlet connection Hou Yu mono-road evaporator inlet connect, it is connected with reservoir entrance after the connection of all one-way valved outlet, is connected with reservoir outlet after the connection of all expansion valve inlet.
A kind of freezer hot fluorine defrosting system the most according to claim 1, it is characterised in that: it is 3 tunnels that freezer uses direct-cooled mode vaporizer minimum；It is 2 tunnels that freezer uses air cooling way vaporizer minimum.
A kind of freezer hot fluorine defrosting system the most according to claim 1 and 2, it is characterised in that: described compressor connects condenser by another branch road of threeway E2, is provided with hot high pressure fluorine electromagnetic valve K1 between compressor and condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037701.7U CN205505522U (en) | 2016-01-15 | 2016-01-15 | Freezer hot fluorin defrosting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037701.7U CN205505522U (en) | 2016-01-15 | 2016-01-15 | Freezer hot fluorin defrosting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205505522U true CN205505522U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620037701.7U Expired - Fee Related CN205505522U (en) | 2016-01-15 | 2016-01-15 | Freezer hot fluorin defrosting system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205505522U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442793A (en) * | 2018-11-21 | 2019-03-08 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning defrosting system and air-conditioning system |
| CN110500829A (en) * | 2019-09-23 | 2019-11-26 | 珠海格力电器股份有限公司 | Hot fluoridation cream system, control method and refrigeration system for refrigeration system |
| CN111536724A (en) * | 2020-05-26 | 2020-08-14 | 广东省现代农业装备研究所 | Defrosting method and device for supercooling main pipeline refrigerant by using defrosting medium |
| CN113494790A (en) * | 2021-07-28 | 2021-10-12 | 珠海格力电器股份有限公司 | Refrigeration system, defrosting control method and refrigeration equipment thereof |
-
2016
- 2016-01-15 CN CN201620037701.7U patent/CN205505522U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442793A (en) * | 2018-11-21 | 2019-03-08 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning defrosting system and air-conditioning system |
| CN110500829A (en) * | 2019-09-23 | 2019-11-26 | 珠海格力电器股份有限公司 | Hot fluoridation cream system, control method and refrigeration system for refrigeration system |
| CN110500829B (en) * | 2019-09-23 | 2023-08-29 | 珠海格力电器股份有限公司 | Thermal defrosting system for refrigeration system, control method and refrigeration system |
| CN111536724A (en) * | 2020-05-26 | 2020-08-14 | 广东省现代农业装备研究所 | Defrosting method and device for supercooling main pipeline refrigerant by using defrosting medium |
| CN113494790A (en) * | 2021-07-28 | 2021-10-12 | 珠海格力电器股份有限公司 | Refrigeration system, defrosting control method and refrigeration equipment thereof |
| CN113494790B (en) * | 2021-07-28 | 2024-04-26 | 珠海格力电器股份有限公司 | Refrigerating system, defrosting control method and refrigerating equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20170115 |