CN201100809Y - An energy-saving cool storage refrigeration system - Google Patents
An energy-saving cool storage refrigeration system Download PDFInfo
- Publication number
- CN201100809Y CN201100809Y CNU2007201842337U CN200720184233U CN201100809Y CN 201100809 Y CN201100809 Y CN 201100809Y CN U2007201842337 U CNU2007201842337 U CN U2007201842337U CN 200720184233 U CN200720184233 U CN 200720184233U CN 201100809 Y CN201100809 Y CN 201100809Y
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- evaporimeter
- magnetic valve
- condenser
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Abstract
The utility model discloses an energy-saving-type refrigerated refrigerating system, which comprises an evaporator, an expansion valve, a filter, a liquid accumulator, a condenser, a compressor and a vapor-liquid separator. The output end of the condenser is connected with the liquid accumulator, the expansion valve and the evaporator in turn, the output end of the evaporator is connected to the input end of the condenser through the vapor-liquid separator, a condensation magnetic valve is connected between the output end of the compressor and the input end of the condenser, a defrosting magnetic valve is connected between the output end of the compressor and the input end of the evaporator, and a fin temperature sensor is arranged on the evaporator. The energy-saving-type refrigerated refrigerating system utilizes condensation which is discarded by a refrigerating system to be the energy capacity for defrosting and heating, which makes full use of energy in a system, improves energy utilization ratio, maximally lowers energy source consumption, and has simple structure and convenient employment.
Description
[technical field]
The utility model relates to cold storage refrigeration system, and particularly a kind of defrosting and heating do not need to consume the energy-saving-type cold storage refrigeration system of additional electrical energy or heat energy.
[background technology]
In cold storage refrigeration system, because the surface meeting frosting of the low evaporator fin of temperature just requires defrosting after use a period of time.Usually adopt the electrothermal tube that is arranged on the evaporimeter to defrost at present.Require humidity control for places such as ham processing technology refrigerations, just need the band heater this moment, and heater is usually placed in the evaporimeter back, adopts the electrothermal tube heating, steam pipe coil or hot-water coil pipe heating.In the above-mentioned cold storage refrigeration system, can satisfy instructions for use, but defrosting or heating all need replenishing of other energy, have wasted a large amount of energy.
[summary of the invention]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of energy-saving-type cold storage refrigeration system, can make full use of the energy, reduces the energy consumption of cold storage refrigeration system.
For achieving the above object, the utility model proposes a kind of energy-saving-type cold storage refrigeration system, comprise evaporimeter, expansion valve, filter, reservoir, condenser, compressor, vapour liquid separator, the output of described condenser and reservoir, filter, expansion valve, evaporimeter connects successively, the output of evaporimeter is connected to the input of compressor by vapour liquid separator, be connected with the condensation magnetic valve between the output of described compressor and the input of condenser, be connected with the defrosting magnetic valve between the output of compressor and the input of evaporimeter, evaporimeter is provided with the fin temperature sensor.
As preferably, also comprise heater, first check valve, second check valve, described heater is installed in the back of evaporimeter along airflow direction, be provided with first check valve between the output of condenser and the reservoir, be provided with second check valve between the output of heater and the reservoir.
As preferably, evaporimeter air intake place also is equipped with return air temperature sensor.
As preferably, also comprise adding the thermoelectrical magnetic valve group described adding between the input that the thermoelectrical magnetic valve group is connected the output of compressor and heater.
As preferably, the described thermoelectrical magnetic valve group that adds comprises low capacity valve in parallel and big capacity valve.
The beneficial effects of the utility model: the utility model condensation heat that refrigeration system is discarded is used as the energy of defrosting and heating, made full use of intrasystem energy, improved energy utilization rate, greatly the reduction of degree the consumption of the energy, and it is simple in structure, easy to use.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the structural representation of a kind of energy-saving-type cold storage refrigeration system of the utility model;
Fig. 2 is the control principle figure of defrosting flow process in the utility model;
Fig. 3 is the control principle figure of heating procedure in the utility model.
[specific embodiment]
As shown in Figure 1, the cold storage refrigeration system that the utility model provides, comprise evaporimeter 1, expansion valve 13, filter 14, reservoir 16, condenser 9, compressor 12, vapour liquid separator 17, the output of described condenser 9 and reservoir 16, filter 14, expansion valve 13, evaporimeter 1 connects successively, the output of evaporimeter 1 is connected to the input of compressor 12 by vapour liquid separator 17, be connected with condensation magnetic valve 6 between the input of the output of described compressor 12 and condenser 9, be connected with defrosting magnetic valve 3 between the input of the output of compressor 12 and evaporimeter 1, evaporimeter 1 is provided with fin temperature sensor 11.Connection between each parts realizes by pipeline 20.Move in normal range of operation by low-voltage relay 18, high-voltage relay 19 protection refrigeration systems, each electric elements is connected with control circuit.Perpendicular to evaporimeter 1 direction pressure fan 15 is set.
Also comprise heater 2, first check valve 7, second check valve 8, described heater 2 is along airflow direction, be installed in the back of evaporimeter 1, be provided with first check valve 7 between the output of condenser 9 and the reservoir 16, be provided with second check valve 8 between the output of heater 2 and the reservoir 16.Heater 2 plays the temperature adjustment behind the refrigerated dehumidification.Also comprise adding the thermoelectrical magnetic valve group described adding between the input that the thermoelectrical magnetic valve group is connected the output of compressor 12 and heater 2.The described thermoelectrical magnetic valve group that adds comprises low capacity valve in parallel 4 and big capacity valve 5.Low capacity valve 4 and big capacity valve 5 play and add the heat regulating action.First check valve 7 and second check valve 8 are installed in condenser 9 outputs and heater 2 outputs, make the refrigerant liquid physical efficiency flow into reservoir 16 from condenser 9 and heater 2 simultaneously.Evaporimeter 1 air intake place also is equipped with return air temperature sensor 10, controls low capacity valve 4 and the work of capacity valve 5 greatly by the indoor temperature that return air temperature sensor 10 records.
The control principle of defrosting flow process as shown in Figure 2, unit start, fin temperature sensor 11 detects evaporimeters 1 fin temperature, the time relay record unit continuous operating time in the control system.When the fin temperature enters temperature conditions TC less than defrosting, and continuous operating time is greater than defrosting entry time condition HA, and defrosting magnetic valve 3 is opened.The vapours that compressor 12 is discharged enters evaporimeter 1, and this moment, the fin temperature of evaporimeter 1 raise, and frost constantly melts.When evaporimeter 1 fin temperature greater than defrosting end temp condition TD, the duration of perhaps defrosting, defrosting magnetic valve 3 cut out greater than defrosting concluding time condition HB.Finish defrosting, enter next defrosting cycle.Heat in the defrost process comes from the vapours that refrigeration system compressor 12 is discharged.Owing to used partial condensation heat in the defrost process, reduced the condensation heat load of condenser 9.When improving the refrigeration system Energy Efficiency Ratio, defrosting no longer needs other energy.TC: defrosting enters temperature conditions, TD: defrosting end temp condition, HA: defrosting entry time condition, HB: defrosting concluding time condition.
The control principle figure of heating procedure as shown in Figure 3, unit start, condensation magnetic valve 6 is opened, low capacity adds thermoelectrical magnetic valve 4 closes, big capacity adds thermoelectrical magnetic valve 5 and closes.Set value TS-1/3 temperature control precision Δ t when return air temperature sensor 10 detects indoor detected temperatures TH smaller or equal to indoor temperature, low capacity adds thermoelectrical magnetic valve 4 to be opened, and big capacity adds thermoelectrical magnetic valve 5 and closes.The vapours that compressor 12 is discharged adds thermoelectrical magnetic valve 4 by low capacity and enters heater 2, and air is done slightly to heat up.If indoor detected temperatures TH continues to descend, TH≤TS-2/3 Δ t, low capacity adds thermoelectrical magnetic valve 4 closes, and big capacity adds thermoelectrical magnetic valve 5 and opens.The vapours that compressor 12 is discharged adds thermoelectrical magnetic valve 5 by big capacity and enters heater 2, and the width of cloth heated up during air was done.If indoor detected temperatures TH continues to descend, TH≤TS-Δ t, low capacity adds thermoelectrical magnetic valve 4 to be opened, big capacity adds thermoelectrical magnetic valve 5 to be opened, 5S after the time condensation magnetic valve 6 close.All vapours of compressor enter heater 2, and air is done significantly to heat up.If indoor detected temperatures TH rises to TH 〉=TS-1/3 Δ t, return last layer, promptly condensation magnetic valve 6 is opened, and low capacity adds thermoelectrical magnetic valve 4 closes, and big capacity adds thermoelectrical magnetic valve 5 and opens.The vapours that compressor 12 is discharged adds thermoelectrical magnetic valve 5 by big capacity and enters heater 2, and the width of cloth heated up during air was done.If indoor detected temperatures TH rises to TH 〉=TS, return last layer again, low capacity adds thermoelectrical magnetic valve 4 to be opened, and big capacity adds thermoelectrical magnetic valve 5 and closes.The vapours that compressor 12 is discharged adds thermoelectrical magnetic valve 4 by low capacity and enters heater 2, and air is done slightly to heat up.If indoor detected temperatures TH rises to TH 〉=TS+1/3 Δ t, return firm open state, condensation magnetic valve 6 is opened, and low capacity adds thermoelectrical magnetic valve 4 closes, and big capacity adds thermoelectrical magnetic valve 5 and closes.Finish heating, enter next heating cycle.Heat in the heating process comes from the vapours that refrigeration system compressor 12 is discharged.Owing to used part or all of condensation heat in the heating process, reduced the condensation heat load of condenser 9.When improving the refrigeration system Energy Efficiency Ratio, heating no longer needs other energy.TH: indoor detected temperatures, TS: indoor temperature setting value, Δ t: temperature control precision.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any scheme after the utility model simple transformation is all belonged to protection domain of the present utility model.
Claims (5)
1. energy-saving-type cold storage refrigeration system, comprise evaporimeter (1), expansion valve (13), filter (14), reservoir (16), condenser (9), compressor (12), vapour liquid separator (17), the output of described condenser (9) and reservoir (16), filter (14), expansion valve (13), evaporimeter (1) connects successively, the output of evaporimeter (1) is connected to the input of compressor (12) by vapour liquid separator (17), it is characterized in that: be connected with condensation magnetic valve (6) between the input of the output of described compressor (12) and condenser (9), be connected with defrosting magnetic valve (3) between the input of the output of compressor (12) and evaporimeter (1), evaporimeter (1) is provided with fin temperature sensor (11).
2. a kind of energy-saving-type cold storage refrigeration system as claimed in claim 1, it is characterized in that: also comprise heater (2), first check valve (7), second check valve (8), described heater (2) is along airflow direction, be installed in the back of evaporimeter (1), be provided with first check valve (7) between the output of condenser (9) and the reservoir (16), be provided with second check valve (8) between the output of heater (2) and the reservoir (16).
3. a kind of energy-saving-type cold storage refrigeration system as claimed in claim 2 is characterized in that: evaporimeter (1) air intake place also is equipped with return air temperature sensor (10).
4. a kind of energy-saving-type cold storage refrigeration system as claimed in claim 3 is characterized in that: also comprise adding the thermoelectrical magnetic valve group described adding between the input that the thermoelectrical magnetic valve group is connected the output of compressor (12) and heater (2).
5. a kind of energy-saving-type cold storage refrigeration system as claimed in claim 4 is characterized in that: the described thermoelectrical magnetic valve group that adds comprises low capacity valve (4) in parallel and big capacity valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201842337U CN201100809Y (en) | 2007-10-15 | 2007-10-15 | An energy-saving cool storage refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201842337U CN201100809Y (en) | 2007-10-15 | 2007-10-15 | An energy-saving cool storage refrigeration system |
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| Publication Number | Publication Date |
|---|---|
| CN201100809Y true CN201100809Y (en) | 2008-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201842337U Expired - Lifetime CN201100809Y (en) | 2007-10-15 | 2007-10-15 | An energy-saving cool storage refrigeration system |
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| CN (1) | CN201100809Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338962B (en) * | 2007-10-15 | 2011-06-29 | 浙江盾安机电科技有限公司 | An energy-saving refrigeration refrigeration system |
| CN101387455B (en) * | 2008-09-02 | 2012-10-31 | Tcl集团股份有限公司 | Parallel flow air conditioner and defrosting control method thereof |
| WO2013189076A1 (en) * | 2012-06-18 | 2013-12-27 | 合肥华凌股份有限公司 | Refrigeration device, refrigeration system and defrosting control method for refrigeration device |
-
2007
- 2007-10-15 CN CNU2007201842337U patent/CN201100809Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338962B (en) * | 2007-10-15 | 2011-06-29 | 浙江盾安机电科技有限公司 | An energy-saving refrigeration refrigeration system |
| CN101387455B (en) * | 2008-09-02 | 2012-10-31 | Tcl集团股份有限公司 | Parallel flow air conditioner and defrosting control method thereof |
| WO2013189076A1 (en) * | 2012-06-18 | 2013-12-27 | 合肥华凌股份有限公司 | Refrigeration device, refrigeration system and defrosting control method for refrigeration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG DUNAN MECHANICAL + ELECTRICAL SCIENCE CO. Free format text: FORMER OWNER: DUNAN ARTIFICIAL ENVIRONMENTAL APPARATUS CO., LTD., ZHEJIANG PROV. Effective date: 20090508 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090508 Address after: Zhuji City, Zhejiang province shop Town Industrial Zone, zip code: 311835 Patentee after: Zhejiang Dunan Electromechanical Technology Co.,Ltd. Address before: Zhejiang City, Zhejiang Province town of Zhuji industrial security zone environmental protection equipment Limited by Share Ltd, zip code: 311835 Patentee before: Zhejiang Dun'an Artificial Environment Equipment Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080813 Effective date of abandoning: 20071015 |