CN101696830A - Mechanical temperature control refrigerator refrigeration system capable of quickly freezing and closing cold room and control method - Google Patents
Mechanical temperature control refrigerator refrigeration system capable of quickly freezing and closing cold room and control method Download PDFInfo
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- CN101696830A CN101696830A CN200910184918A CN200910184918A CN101696830A CN 101696830 A CN101696830 A CN 101696830A CN 200910184918 A CN200910184918 A CN 200910184918A CN 200910184918 A CN200910184918 A CN 200910184918A CN 101696830 A CN101696830 A CN 101696830A
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Abstract
The invention relates to a mechanical temperature control refrigerator refrigeration system capable of quickly freezing and closing a cold room and a control method. In the refrigeration system, a bypass solenoid calve is arranged between the outlet end of a condenser and a main loop capillary tube; and a bypass outlet end of the bypass solenoid calve is connected with the inlet end of a freezing evaporator by a bypass capillary. The refrigeration system is characterized in that a temperature controller of the cold room is set into a double contact temperature control conversion switch which can be manually controlled and a temperature controller of a freezing room is set into a temperature control double-pole double-throw switch which can be manually controlled; and a contact a of the temperature controller of the cold room and a switch d of the temperature controller of the freezing room are connected in series in a power circuit of a solenoid valve coil, and a contact b of the temperature controller of the cold room and a switch c of the temperature controller of the freezing room are connected in parallel and then connected in a power circuit of a compressor M is series. The invention can realize double temperature and double control for the mechanical temperature control of a direct refrigerator and the closing function of the cold room and the quick freezing function of the freezing room, greatly improve the refrigeration capability of the refrigerator and save energy.
Description
Technical field
The present invention relates to the refrigeration system of mechanical temperature-control direct cooling refrigerator or similar refrigerating appliance.
Background technology
In the prior art, at the direct-cooled household refrigerator-freezer of mechanical temperature-control, refrigeration system adopts the refrigerator evaporator setting of connect with freezer evaporator, controls the start and stop of compressor by being installed in mechanical temperature controller in the refrigerating chamber, and realization refrigerating chamber and refrigerating chamber freeze synchronously.Because of the temperature of refrigerating chamber can not be lower than 0 ℃, and refrigerating chamber and refrigerating chamber can only freeze synchronously, cause the refrigerating capacity of refrigerator to improve, and promptly the ability of frozen food is lower; Simultaneously, in this version, refrigerating chamber can not be closed separately, brings the increase of energy consumption; Another mode is that direct-cooled household refrigerator-freezer adopts double temperature double control, all adopts the computer electronic controller, though can improve its refrigerating capacity, the control circuit cost is higher.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, but but provide a kind of mechanical temperature-control refrigerator refrigeration system and control method of quick-frozen closing cold room, in the hope of realizing direct cooling refrigerator mechanical type temperature control double temperature double control, realizing that refrigerating chamber is closed and the function of refrigerating chamber quick-frozen, improve the refrigerator refrigerating capacity, realize refrigerator energy-saving.
Technical solution problem of the present invention adopts following technical scheme.
But but the mechanical temperature-control refrigerator refrigeration system of the present invention's quick-frozen closing cold room, its version is in the refrigeration system that is made of compressor, condenser (2), major loop capillary (4), refrigeration evaporator (6) and refrigerating evaporator (7), be positioned between the port of export and major loop capillary (4) of condenser (2), bypass magnetic valve (3) is set, connects the arrival end of refrigerating evaporator (7) at the bypass port of export of described bypass magnetic valve (3) by bypass capillary (5);
The design feature of refrigeration system of the present invention is that refrigerating chamber temperature controller (8) and refrigerating chamber temperature controller (9) are set respectively; Described refrigerating chamber temperature controller (8) adopts the double-contact temperature control change-over switch that can manually control, and described refrigerating chamber temperature controller (9) adopts the two passes that throw off of the temperature control double-pole that can manually control; Be serially connected in the electric power loop of electromagnetic valve coil (10) with the contact a of described refrigerating chamber temperature controller (8) and the switch d of refrigerating chamber thermostat (9), be serially connected in the electric power loop of compressor M (1) after the switch c parallel connection with the contact b of described refrigerating chamber temperature controller (8) and refrigerating chamber thermostat (9).
But but the design feature of the mechanical temperature-control refrigerator refrigeration system of the present invention's quick-frozen closing cold room is that the delay protection circuit that is made of time-delay relay (11) is set; Described time-delay relay is serially connected in the electric power loop of compressor M (1).
The characteristics of the control method of refrigeration system of the present invention are described refrigeration system to be set be operated in following three kinds of modes respectively:
First kind: refrigerating chamber temperature controller (8) and refrigerating chamber temperature controller (9) are the temperature control state;
Second kind: refrigerating chamber temperature controller (8) is the temperature control state, and refrigerating chamber temperature controller (9) is manual on-state;
The third: the switch contact a of refrigerating chamber temperature controller (8) is manual on-state, and refrigerating chamber temperature controller (9) is the temperature control state.
Compared with the prior art, beneficial effect of the present invention is embodied in:
The present invention is that the mode with the mechanical type temperature control has realized that refrigerating chamber closes the function with the refrigerating chamber quick-frozen, improves this type of refrigerator refrigerating capacity greatly, and energy-saving effect is remarkable.
Description of drawings
Fig. 1 is a refrigeration system schematic diagram of the present invention.
Fig. 2 is temperature control principle figure of the present invention.
Number in the figure: 1 compressor, 2 condensers, 3 magnetic valves, 4 major loop capillaries, 5 bypass capillaries, 6 refrigeration evaporators, 7 refrigerating evaporators, 8 refrigerating chamber temperature controllers, 9 refrigerating chamber temperature controllers, 10 electromagnetic valve coils, 11 time-delay relays.
Below pass through the specific embodiment, and the invention will be further described in conjunction with the accompanying drawings.
The specific embodiment
Referring to Fig. 1, in the refrigeration system that constitutes by compressor, condenser 2, major loop capillary 4, refrigeration evaporator 6 and refrigerating evaporator 7, between the port of export and major loop capillary 4 of condenser 2, bypass magnetic valve 3 is set, connects the arrival end of refrigerating evaporator 7 at the bypass port of export of bypass magnetic valve 3 by bypass capillary 5;
As shown in Figure 1 and Figure 2, in the present embodiment, refrigerating chamber temperature controller 8 and refrigerating chamber temperature controller 9 are set respectively; Refrigerating chamber temperature controller 8 adopts the double-contact temperature control change-over switch that can manually control, and refrigerating chamber temperature controller 9 adopts the two passes that throw off of the temperature control double-pole that can manually control; Be serially connected in the electric power loop of electromagnetic valve coil 10 with the contact a of refrigerating chamber temperature controller 8 and the switch d of refrigerating chamber thermostat 9, be serially connected in the electric power loop of compressor 1 after the switch c parallel connection with the contact b of refrigerating chamber temperature controller 8 and refrigerating chamber thermostat 9.
In the present embodiment, the delay protection circuit that is made of time-delay relay 11 is set; Time-delay relay is serially connected in the electric power loop of compressor M.
The control method of refrigeration system is refrigeration system to be set be operated in following three kinds of modes respectively in the present embodiment:
First kind: refrigerating chamber temperature controller 8 and refrigerating chamber temperature controller 9 are the temperature control state
When temperature of refrigerating chamber reaches the temperature that stops to freeze, the contact b of refrigerating chamber temperature controller 8 disconnects, switching to its contact a simultaneously connects, if freezer temperature did not reach yet and stopped cryogenic temperature this moment, then the switch c of refrigerating chamber temperature controller 9 and switch d remain connection, the electric power loop of compressor 1 is connected by switch c, and the electric power loop of electromagnetic valve coil 10 is connected by contact a and switch d, and cold-producing medium directly enters refrigerating evaporator 7 by bypass capillary 5; When freezer temperature reaches when stopping cryogenic temperature, switch c and switch d disconnect, and compressor 1 quits work;
When refrigerating chamber reaches the temperature that needs refrigeration, connect the working power of compressor 1 by the contact b of refrigerating chamber temperature controller 8, disconnect electromagnetic valve coil 10 electric power loops simultaneously, cold-producing medium enters the refrigerator evaporator 6 and the freezer evaporator 7 of series connection by major loop capillary 4;
Second kind: refrigerating chamber temperature controller 8 is the temperature control state, and refrigerating chamber temperature controller 9 is manual on-state
The electric power loop of compressor 1 remains on on-state, by the on-off of refrigeration thermostat 8 control electromagnetic valve coils 10; Reach when stopping cryogenic temperature at temperature of refrigerating chamber, the contact a of refrigeration thermostat 8 connects the electric power loop of electromagnetic valve coil 10, and magnetic valve 3 switches cold-producing mediums and directly enters refrigerating evaporator 7 by bypass capillary 5; When refrigerating chamber reached the temperature that needs refrigeration, the contact a of refrigeration thermostat 8 disconnected the electric power loop of electromagnetic valve coil 10, and magnetic valve 3 switches cold-producing medium and enters the refrigerator evaporator 6 and the freezer evaporator 7 of series connection by major loop capillary 4;
The third: the switch contact a of refrigerating chamber temperature controller 8 is manual on-state, and refrigerating chamber temperature controller 9 is the temperature control state
If freezer temperature does not reach and stops cryogenic temperature, the switch c of refrigerating chamber temperature controller 9 and switch d are for connecting, the electric power loop of compressor M is connected by switch c, the electric power loop of electromagnetic valve coil 1 is connected by the contact a and the switch d of refrigerating chamber temperature controller 8, and cold-producing medium directly enters freezer evaporator 7 by bypass capillary 5;
If freezer temperature reaches and stops cryogenic temperature, the switch c of refrigerating chamber temperature controller 9 and switch d are for disconnecting, and compressor M quits work.
Claims (3)
- But but the 1. mechanical temperature-control refrigerator refrigeration system of quick-frozen closing cold room, in the refrigeration system that constitutes by compressor (1), condenser (2), major loop capillary (4), refrigeration evaporator (6) and refrigerating evaporator (7), be positioned between the port of export and major loop capillary (4) of condenser (2), bypass magnetic valve (3) is set, connects the arrival end of refrigerating evaporator (7) at the bypass port of export of described bypass magnetic valve (3) by bypass capillary (5); It is characterized in that:Refrigerating chamber temperature controller (8) and refrigerating chamber temperature controller (9) are set respectively; Described refrigerating chamber temperature controller (8) adopts the double-contact temperature control change-over switch that can manually control, and described refrigerating chamber temperature controller (9) adopts the two passes that throw off of the temperature control double-pole that can manually control; Be serially connected in the electric power loop of electromagnetic valve coil (10) with the contact a of described refrigerating chamber temperature controller (8) and the switch d of refrigerating chamber thermostat (9), be serially connected in the electric power loop of compressor M (1) after the switch c parallel connection with the contact b of described refrigerating chamber temperature controller (8) and refrigerating chamber thermostat (9).
- But but the mechanical temperature-control refrigerator refrigeration system of quick-frozen closing cold room 2. according to claim 1 is characterized in that being provided with the delay protection circuit that is made of time-delay relay (11); Described time-delay relay is serially connected in the electric power loop of compressor M (1).
- 3. the control method of the described refrigeration system of claim 1 is characterized in that being provided with described refrigeration system and is operated in following three kinds of modes respectively:First kind: refrigerating chamber temperature controller (8) and refrigerating chamber temperature controller (9) are the temperature control state;Second kind: refrigerating chamber temperature controller (8) is the temperature control state, and refrigerating chamber temperature controller (9) is manual on-state;The third: the switch contact a of refrigerating chamber temperature controller (8) is manual on-state, and refrigerating chamber temperature controller (9) is the temperature control state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910184918A CN101696830B (en) | 2009-10-21 | 2009-10-21 | Mechanical temperature control refrigerator refrigeration system capable of quickly freezing and closing cold room and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910184918A CN101696830B (en) | 2009-10-21 | 2009-10-21 | Mechanical temperature control refrigerator refrigeration system capable of quickly freezing and closing cold room and control method |
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| Publication Number | Publication Date |
|---|---|
| CN101696830A true CN101696830A (en) | 2010-04-21 |
| CN101696830B CN101696830B (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910184918A Active CN101696830B (en) | 2009-10-21 | 2009-10-21 | Mechanical temperature control refrigerator refrigeration system capable of quickly freezing and closing cold room and control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986061A (en) * | 2010-08-23 | 2011-03-16 | 南昌奥特多电器有限公司 | Dual temperature-control refrigerating system of vehicular refrigerator |
| CN103175327A (en) * | 2013-03-14 | 2013-06-26 | 西安交通大学 | Large freezing ability energy-saving refrigerating system and control method thereof |
| CN103328911A (en) * | 2011-01-26 | 2013-09-25 | 开利公司 | Flexible use of an inverter in a refrigeration unit |
| CN104101146A (en) * | 2013-04-03 | 2014-10-15 | 海尔集团公司 | Refrigeration system and refrigeration equipment |
| CN104101145A (en) * | 2013-04-03 | 2014-10-15 | 海尔集团公司 | Control method and control circuit for refrigerating system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696831B (en) * | 2009-10-21 | 2012-10-03 | 合肥华凌股份有限公司 | Mechanical temperature-control refrigerating system for improving refrigerating capability of direct-cool refrigerator and control method thereof |
| CN201607065U (en) * | 2009-10-21 | 2010-10-13 | 合肥华凌股份有限公司 | Mechanical temperature controllable and direct cooling refrigerator refrigerating system improving freezing capability |
| CN201522129U (en) * | 2009-10-21 | 2010-07-07 | 合肥华凌股份有限公司 | Mechanical temperature control refrigerator refrigerating system capable of quick freezing and closing refrigerating chamber. |
-
2009
- 2009-10-21 CN CN200910184918A patent/CN101696830B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986061A (en) * | 2010-08-23 | 2011-03-16 | 南昌奥特多电器有限公司 | Dual temperature-control refrigerating system of vehicular refrigerator |
| CN103328911A (en) * | 2011-01-26 | 2013-09-25 | 开利公司 | Flexible use of an inverter in a refrigeration unit |
| CN103175327A (en) * | 2013-03-14 | 2013-06-26 | 西安交通大学 | Large freezing ability energy-saving refrigerating system and control method thereof |
| CN103175327B (en) * | 2013-03-14 | 2014-12-24 | 西安交通大学 | Large freezing ability energy-saving refrigerating system and control method thereof |
| CN104101146A (en) * | 2013-04-03 | 2014-10-15 | 海尔集团公司 | Refrigeration system and refrigeration equipment |
| CN104101145A (en) * | 2013-04-03 | 2014-10-15 | 海尔集团公司 | Control method and control circuit for refrigerating system |
| CN104101146B (en) * | 2013-04-03 | 2016-12-28 | 海尔集团公司 | Refrigeration system and refrigeration plant |
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| Publication number | Publication date |
|---|---|
| CN101696830B (en) | 2012-08-29 |
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