CN104713274A - Energy adjustment refrigerating device - Google Patents
Energy adjustment refrigerating device Download PDFInfo
- Publication number
- CN104713274A CN104713274A CN201510121471.2A CN201510121471A CN104713274A CN 104713274 A CN104713274 A CN 104713274A CN 201510121471 A CN201510121471 A CN 201510121471A CN 104713274 A CN104713274 A CN 104713274A
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- CN
- China
- Prior art keywords
- compressor
- temperature
- evaporimeter
- energy adjustment
- energy
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an energy adjustment refrigerating device which comprises a compressor, a condenser, an electromagnetic valve, a throttling device and an evaporator. The compressor, the condenser, the electromagnetic valve, the throttling device and the evaporator are sequentially connected through pipelines to form a refrigerating system loop. An energy adjuster is connected to the portion between an air sucking and exhausting port of the compressor and an air inlet of the evaporator through a pipeline and a temperature sensor is arranged on one side of the evaporator and electrically connected with the electromagnetic valve through a controller. The energy adjustment refrigerating device has the advantages that heating equipment does not need to be additionally arranged, the high temperature control accuracy can be guaranteed under the condition of the large-range thermal load change without frequent starts or variable frequency energy adjustment, and the refrigerating device is simple in structure, easy to obtain and high in temperature control accuracy and work reliability.
Description
Technical field
The present invention relates to refrigeration technology field, specifically a kind of energy adjustment refrigerating plant.
Background technology
Refrigeration Technique is applied to social every field, and some occasions high to refrigeration required precision need refrigerating plant to provide comparatively stationary temperature to use side, to ensure the normal work using side apparatus or device, and the thermic load of side apparatus or device in reality, in a lot of situation, is used to be often real-time change as required.Ensure that the use side of refrigerating plant is steady temperature mainly through following measures at present:
One is that refrigerating plant does not carry out energy adjustment, and carrys out balanced system device for cooling and exceed the part refrigerating capacity using side thermic load using side to install firing equipment additional, and its refrigeration and heating are the independent devices of two covers, can ensure the temperature temperature-controlled precision using side; But it is not extra firing equipment adds the complexity of equipment itself, and running cost is high, energy-conservation.
Two is according to factors such as the height using side temperature, controls the opening of refrigerating plant, stops reaching and use side temperature to change within the scope of one.Though this control mode is simply easy to realize, because start/stop of compressor needs the time interval of 3 minutes, its temperature control precision is relatively poor, and high frequent start and stop can reduce its service life.
Three is the refrigerating capacitys according to using the change of side thermic load to regulate compressor, ensures to use side steady temperature as used the compressor of Frequency Converter Control.But because frequency conversion is considering that the special occasions of Electro Magnetic Compatibility can not use, and the initial stage of use frequency converter drops into and later maintenance cost is higher.
Summary of the invention
The object of this invention is to provide the energy adjustment refrigerating plant that a kind of structure is simple, temperature-controlled precision is high, in thermic load wide variation situation, still can ensure high temperature-controlled precision.
Technical scheme of the present invention is as follows:
A kind of energy adjustment refrigerating plant, include compressor, condenser, magnetic valve, throttling arrangement and evaporimeter, it is characterized in that: described compressor, condenser, magnetic valve, throttling arrangement and evaporimeter are connected successively by pipeline and form refrigeration system circuit, described state compressor suction, be connected with energy regulator by pipeline between exhaust outlet and the air inlet of described evaporimeter, the side of described evaporimeter is provided with temperature sensor, and described temperature sensor is electrically connected with described magnetic valve by controller.
Described energy adjustment refrigerating plant, is characterized in that: described energy regulator adopts CPCE energy regulator.
The use side real time temperature that magnetic valve is detected by temperature sensor, again according to the temperature-control range used between side actual temperature and design temperature, the opening and closing of magnetic valve is driven by controller, the opening and closing of magnetic valve can cause and change to the pressure at evaporator inlet place, cause the open and close of the energy adjustment of capacity adjusting valve, cause the thermic load of compressor HTHP hot-gas bypass, thus will the temperature of side be used to bring up to design temperature.Adjustment force value by adjusting capacity adjusting valve changes governing response speed.
In the present invention, temperature sensor drives the opening and closing of magnetic valve by controller according to the temperature controlling range used between side real time temperature and setting value etc.When temperature sensor record use the temperature of side to be design temperature time, magnetic valve is held open, and from the exhaust outlet of compressor gaseous refrigerant out through condenser, magnetic valve, throttling arrangement and evaporimeter, finally gets back to compressor, completes a kind of refrigeration cycle.When the temperature that temperature sensor records use side is less than design temperature certain value, solenoid closure, when the inlet pressure of evaporimeter drops to capacity adjusting valve setting value, capacity adjusting valve opens energy adjustment, and the temperature realized when thermic load changes on a large scale controls.Now directly get back to compressor air suction mouth from an exhaust outlet high temperature liquid refrigerant part out for compressor through capacity adjusting valve, another part enters evaporimeter by capacity adjusting valve jet, for evaporimeter provides a thermic load, uses side temperature to raise; When temperature sensor record use the temperature of side higher than design temperature certain value time, magnetic valve is opened again, when the inlet pressure of evaporimeter is increased to capacity adjusting valve setting value, capacity adjusting valve stops energy adjustment, from the exhaust outlet of compressor gaseous refrigerant out through condenser, magnetic valve, throttling arrangement and evaporimeter, finally get back to compressor, complete a kind of refrigeration cycle, use side temperature to reduce; So repeatedly can ensure the temperature-controlled precision using side relatively high.
Beneficial effect of the present invention:
The present invention does not need to add extra firing equipment, do not need frequent start or frequency conversion energy adjustment can ensure still can ensure higher temperature-controlled precision when thermic load wide variation yet, have structure simple, be easy to the advantage that realizes, temperature-controlled precision is high and functional reliability is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
See Fig. 1, a kind of energy adjustment refrigerating plant, include compressor 1, condenser 2, magnetic valve 3, throttling arrangement 4 and evaporimeter 6, compressor 1, condenser 2, magnetic valve 3, throttling arrangement 4 and evaporimeter 6 are connected successively by pipeline and form refrigeration system circuit, the suction of compressor 1, between exhaust outlet and the air inlet of evaporimeter 6, be connected with energy regulator 7 by pipeline, the side of evaporimeter 6 is provided with temperature sensor 5, and temperature sensor 5 is electrically connected with magnetic valve 3 by controller.
In the present invention, energy regulator 7 adopts CPCE energy regulator.
The opening and closing of controller Controlling solenoid valve 3, the use side real time temperature detected by temperature sensor 5, again according to the difference used between side real time temperature and design temperature, carried out the opening and closing of Controlling solenoid valve 3 by controller, and capacity adjusting valve 7 regulates pressure automatic energy to regulate evaporimeter 6 refrigeration duty thus the temperature of side will be used to control in design temperature control range with self arranging according to evaporimeter 6 inlet pressure.
When the temperature that temperature sensor 7 records use side is design temperature, magnetic valve 3 is held open state, from the exhaust outlet of compressor 1 gaseous refrigerant out through condenser 2, magnetic valve 3, throttling arrangement 4 and evaporimeter 6, finally get back to compressor 1, complete a kind of refrigeration cycle.When the temperature that temperature sensor 5 records use side is less than design temperature certain value, magnetic valve 3 closes, when the inlet pressure of evaporimeter 6 drops to capacity adjusting valve 7 setting value, capacity adjusting valve 7 opens energy adjustment, and the temperature realized when thermic load changes on a large scale controls.Now directly get back to compressor air suction mouth from an exhaust outlet high temperature liquid refrigerant part out for compressor 1 through capacity adjusting valve 7, another part enters evaporimeter 6 by capacity adjusting valve 7 jet, for evaporimeter 6 provides a thermic load, side temperature is used to raise; When temperature sensor 5 record use the temperature of side higher than design temperature certain value time, magnetic valve 3 is opened again, when the inlet pressure of evaporimeter 6 is increased to capacity adjusting valve 7 setting value, capacity adjusting valve 7 stops energy adjustment, from the exhaust outlet of compressor 1 gaseous refrigerant out through condenser 2, magnetic valve 3, throttling arrangement 4 and evaporimeter 6, finally get back to compressor 1, complete a kind of refrigeration cycle, use side temperature to reduce; The temperature-controlled precision that collateral security uses side relatively high.
Above embodiment is not limited only to protection scope of the present invention, all modify based on basic thought of the present invention or change all belong to protection scope of the present invention.
Claims (2)
1. an energy adjustment refrigerating plant, include compressor, condenser, magnetic valve, throttling arrangement and evaporimeter, it is characterized in that: described compressor, condenser, magnetic valve, throttling arrangement and evaporimeter are connected successively by pipeline and form refrigeration system circuit, the suction of described compressor, between exhaust outlet and the air inlet of described evaporimeter, be connected with energy regulator by pipeline, the side of described evaporimeter is provided with temperature sensor, and described temperature sensor is electrically connected with described magnetic valve by controller.
2. energy adjustment refrigerating plant according to claim 1, is characterized in that: described energy regulator adopts CPCE energy regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121471.2A CN104713274A (en) | 2015-03-19 | 2015-03-19 | Energy adjustment refrigerating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121471.2A CN104713274A (en) | 2015-03-19 | 2015-03-19 | Energy adjustment refrigerating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104713274A true CN104713274A (en) | 2015-06-17 |
Family
ID=53412821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510121471.2A Pending CN104713274A (en) | 2015-03-19 | 2015-03-19 | Energy adjustment refrigerating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104713274A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689021A (en) * | 2016-03-30 | 2016-06-22 | 天津亭华科技有限公司 | Low-temperature constant temperature device of high-temperature and low-temperature testing box |
| CN108168148A (en) * | 2018-02-09 | 2018-06-15 | 江苏双源新能源科技有限公司 | A kind of air energy thermal pumping system with refrigerant dynamic self-adapting regulation device |
| CN110530075A (en) * | 2019-09-16 | 2019-12-03 | 珠海格力电器股份有限公司 | Zero-load output non-stop control method, device and unit |
| CN115727577A (en) * | 2022-11-24 | 2023-03-03 | 珠海格力电器股份有限公司 | Refrigeration system, control method thereof, air conditioning equipment, storage device and processor |
Citations (6)
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|---|---|---|---|---|
| US3872685A (en) * | 1973-03-16 | 1975-03-25 | Controls Co Of America | Evaporator temperature control for refrigeration systems |
| EP0916914A2 (en) * | 1997-11-14 | 1999-05-19 | TGK CO., Ltd. | A refrigerating cycle |
| CN202267279U (en) * | 2011-08-30 | 2012-06-06 | 康特能源科技(苏州)有限公司 | Air source heat pump defrosting device |
| CN202734365U (en) * | 2012-05-25 | 2013-02-13 | 泰豪科技股份有限公司 | Water-cooled water chilling unit with energy adjuster |
| CN202869095U (en) * | 2012-10-10 | 2013-04-10 | 合肥天鹅制冷科技有限公司 | Energy-adjusting cooling device |
| CN204630189U (en) * | 2015-03-19 | 2015-09-09 | 合肥天鹅制冷科技有限公司 | Energy adjustment refrigerating plant |
-
2015
- 2015-03-19 CN CN201510121471.2A patent/CN104713274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3872685A (en) * | 1973-03-16 | 1975-03-25 | Controls Co Of America | Evaporator temperature control for refrigeration systems |
| EP0916914A2 (en) * | 1997-11-14 | 1999-05-19 | TGK CO., Ltd. | A refrigerating cycle |
| CN202267279U (en) * | 2011-08-30 | 2012-06-06 | 康特能源科技(苏州)有限公司 | Air source heat pump defrosting device |
| CN202734365U (en) * | 2012-05-25 | 2013-02-13 | 泰豪科技股份有限公司 | Water-cooled water chilling unit with energy adjuster |
| CN202869095U (en) * | 2012-10-10 | 2013-04-10 | 合肥天鹅制冷科技有限公司 | Energy-adjusting cooling device |
| CN204630189U (en) * | 2015-03-19 | 2015-09-09 | 合肥天鹅制冷科技有限公司 | Energy adjustment refrigerating plant |
Non-Patent Citations (1)
| Title |
|---|
| 中国建筑学会暖通空调分会: "《暖通空调工程优秀设计图集①》", 31 October 2007 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689021A (en) * | 2016-03-30 | 2016-06-22 | 天津亭华科技有限公司 | Low-temperature constant temperature device of high-temperature and low-temperature testing box |
| CN108168148A (en) * | 2018-02-09 | 2018-06-15 | 江苏双源新能源科技有限公司 | A kind of air energy thermal pumping system with refrigerant dynamic self-adapting regulation device |
| CN110530075A (en) * | 2019-09-16 | 2019-12-03 | 珠海格力电器股份有限公司 | Zero-load output non-stop control method, device and unit |
| WO2021051699A1 (en) * | 2019-09-16 | 2021-03-25 | 珠海格力电器股份有限公司 | Zero-load output non-stop control method and apparatus, and unit |
| CN115727577A (en) * | 2022-11-24 | 2023-03-03 | 珠海格力电器股份有限公司 | Refrigeration system, control method thereof, air conditioning equipment, storage device and processor |
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| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150617 |
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| RJ01 | Rejection of invention patent application after publication |