CN109724356A - Central refrigeration-type freezing and refrigeration cabinet group - Google Patents
Central refrigeration-type freezing and refrigeration cabinet group Download PDFInfo
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- CN109724356A CN109724356A CN201910034344.7A CN201910034344A CN109724356A CN 109724356 A CN109724356 A CN 109724356A CN 201910034344 A CN201910034344 A CN 201910034344A CN 109724356 A CN109724356 A CN 109724356A
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Abstract
The invention belongs to technical field of refrigeration equipment, more particularly to a kind of central refrigeration-type freezing and refrigeration cabinet group, including refrigeration system and conduction cooling system, the condenser of refrigeration system is placed in outdoor, condenser is connected with expansion valve, evaporator, refrigeration compressor in turn by external circulation line, refrigeration compressor is connected with condenser again, in parallel with the refrigeration compressor to be equipped with outer circulation pump, is equipped with the first three-way diverter valve at the entrance and exit of outer circulation pump；The conduction cooling system includes Cooling capacity exchanging device, evaporator is placed in Cooling capacity exchanging device, Cooling capacity exchanging device needs the heat exchanger of device for cooling by inner loop pipeline connection, inner circulating tube road is equipped with non-freezing solution circulating pump, it needs the inlet of device for cooling heat exchanger to be equipped with flow control valve, needs device for cooling equipped with temperature sensor.The present invention replaces dispersion refrigeration using central refrigerating, and refrigeration indoors is changed to the method used in outdoor cool room, bigger using unit inner space, solves the influence because of indoor refrigeration to environment, energy-saving and noise-reducing.
Description
Technical field
The present invention relates to a kind of central refrigeration-type freezing and refrigeration cabinet groups, belong to technical field of refrigeration equipment.
Background technique
With economic continuous development, people are to material consumption increasing need, frozen food, preservation by low temperature food
It is widely available, corresponding various forms of refrigerating equipment are also widely used in a variety of applications.Those large-scale quotient's superclass fields
It is more universal to the use of these equipment, because various freezings, refrigerated product needs are stored classifiedly, sold, facilitate consumer's
It chooses, it has to meet the preservation and displaying to all kinds of commodity using a large amount of refrigerator individuals, the super interior a large amount of refrigerator individuals of quotient
It is concentrated use in, is unfavorable for energy conservation and environmental protection, also bring problems to quotient is super:
The super interior case equipment used now of quotient, is substantially independently operated individual, concentration is placed in together, with each
Freezing, the stored refrigerated and displaying to commodity are completed from the refrigeration system of carrying.In summer high temperature season, due to these refrigerators
The amount of heat that the condenser of individual is given out is full of indoors, is increased very big burden to the air-conditioning of cooling, is increased
The energy consumption of air-conditioning.Meanwhile because a large amount of refrigerator individual concentrates on the same interior space, the frequent starting of compressor, which issues, makes an uproar
Sound causes very big influence to shopping environment.Furthermore because to occupy refrigerator larger for inside that refrigeration system is mounted on refrigerator individual
Space, be unfavorable for saving floor occupying area, increase the comprehensive operation cost that quotient surpasses.
Summary of the invention
According to the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is providing a kind of central refrigeration-type
Freezing and refrigeration cabinet group, refrigerating fluid need separately to convey between device for cooling each, outdoor refrigeration, indoor use, and can using high latitude
The cold air in area's winter is cooling capacity.
Center refrigeration-type freezing and refrigeration cabinet group of the present invention, including refrigeration system and conduction cooling system, the refrigeration
System includes condenser, expansion valve, refrigeration compressor and evaporator, and the condenser is placed in outdoor, and condenser by following outside
Endless tube road is connected with expansion valve, evaporator, refrigeration compressor in turn, and refrigeration compressor is connected with condenser again, with the system
Cold compressor parallel connection is pumped equipped with outer circulation, is equipped with the first three-way diverter valve at the entrance and exit of outer circulation pump；The conduction cooling
System includes Cooling capacity exchanging device, and evaporator is placed in Cooling capacity exchanging device, and Cooling capacity exchanging device needs cold charge by inner loop pipeline connection
The heat exchanger set, inner circulating tube road are equipped with non-freezing solution circulating pump, and the inlet of device for cooling heat exchanger is needed to be equipped with flow control valve,
Need device for cooling equipped with temperature sensor；Temperature sensor, flow control valve, non-freezing solution circulating pump, condenser, refrigeration compressor,
First three-way diverter valve and outer circulation pump are controlled by controller.Because refrigeration system is mounted on outdoor, therefore can be selected more economical
Efficient industrial refrigeration machine, controller can be programmable controller.
The invention also includes liquid back pipe, liquid back pipe is in parallel with the expansion valve, is equipped at the entrance and exit of liquid back pipe
Second three-way diverter valve, the second three-way diverter valve are controlled by controller.
The Cooling capacity exchanging device includes heat-insulating housing and self-expanding pot for storing up liquid, and heat-insulating housing is arranged outside self-expanding pot for storing up liquid
Portion, evaporator are placed in self-expanding pot for storing up liquid, and self-expanding pot for storing up liquid is provided with refrigerating fluid.
The refrigerating fluid is glyceryl non-freezing solution.
The self-expanding pot for storing up liquid is equipped with safety valve.
The self-expanding pot for storing up liquid is equipped with exhaust valve.
The heat exchanger for needing device for cooling includes freezer heat exchanger, refrigerator heat exchanger, display refrigerated frame heat exchanger, air-conditioning
Heat exchanger, and each heat exchanger is arranged in parallel.
Cooling capacity is conducted to Cooling capacity exchanging device by external circulation line by refrigeration system, and Cooling capacity exchanging device is recycled by non-freezing solution
Pump, which delivers cooling capacity, needs device for cooling to each, makes each that cold charge be needed to be equipped with its independent temperature range, and pass through controller
Center controls automatic running, and refrigeration system is furnished with outdoor temperature detection device, can automatically switch, automatic identification refrigeration mode
(low temperature outside refrigeration or transfer chamber).The present invention, as carrier, passes through interior circulation using the glyceryl non-freezing solution of nontoxic green
The form of Pipeline transport, with the method for circulation cooling capacity be conveyed to it is each need device for cooling (each refrigerator-freezer individual), displace refrigerator-freezer
Internal heat, reaches the purpose of freezing, refrigeration.Because the conveying cyclic process of entire conduction cooling system is closed circuit under low pressure
Operation, therefore it is easier for installation, furthermore control unit can be completed using programmable controller, make operational safety, reliably,
It is economical.
It is set in working condition when system powers on, control centre's programmable controller is automatic by temperature sensor
Each internal temperature situation for needing device for cooling (each refrigerator-freezer individual) unit is detected, presetting each use corresponding work of unit is compareed
Make temperature data.When discovery each unit internal temperature has higher than setting value, starting refrigeration compressor enters refrigerating state, together
When, the fan of condenser, non-freezing solution circulating pump is started to work.For needing the unit that uses of cooling capacity, flow control valve is opened, when
Reach preset temperature value, corresponding flow control valve is automatically closed.In the work of whole system, each temperature using unit
Degree and working condition, all in the monitoring of programmable controller.Programmable controller passes through to tidal data recovering and timely
Processing, controls refrigeration compressor, adjust refrigerating speed with this, reduce the initiation culture of compressor, is reduced with this
To the impact of power grid when the consumption of electricity and frequent starting.
When outdoor temperature is equal to or less than setting value minimum using cell temperature, the fan of refrigeration compressor, condenser
It stops working, while two the first three-way diverter valves commutation of external circulation line, two the second three-way diverter valve commutations disconnect pressure
Contracting machine and expansion valve, connect outer circulation pump and liquid back pipe, and outer circulation pump is obtained cold the exchanged outdoor cold air of condenser
Amount, using the refrigerant in refrigeration system as carrier, is transported to Cooling capacity exchanging device by external circulation line, supplies each needs with this
The refrigerator of cooling capacity reaches effective preservation to commodity to displace each heat using inside unit using unit.It follows outside
Ring carries out under low pressure, can complete the conveying to cooling capacity with lesser power, therefore can more reach energy-efficient purpose.Work as outdoor
When temperature uses minimum temperature setting value in unit higher than refrigerator, in two the first three-way diverter valves, two the second triplet commutations
Under the action of valve, outer circulation pump and liquid back pipe are disconnected, and compressor is connected with expansion valve, form refrigeration compressor, condenser, expansion
The circulation of valve, evaporator, outer circulation pump stop working, and the starting fan work of refrigeration compressor, condenser is completed with this to fortune
The switching of line mode.The complete course of work of the present invention one is completed.
In the area of time-of-use tariffs, it can be made one day and be worked as using electricity price paddy section using Cooling capacity exchanging device as a cold-storage tank
Cooling capacity used in middle refrigerator, crest segment use, with this come achieve the purpose that flat peak, reduce operating cost.
This system is made by optimizing combination to multiple individual refrigeration machines with more efficient more economical single refrigeration machine
To substitute, to reach energy-saving and environment-friendly purpose；
The Cooling capacity exchanging device of this system can be used as cold-storage tank use, can play the role of Pinggu to power grid and avoid the peak hour, simultaneously
The operating cost of reduction system；
This system is improved indoor environment, is reached by the way that traditional indoor refrigeration is become to use in outdoor cool room with this
To noise reduction, energy-efficient purpose.
Compared with the prior art, the invention has the beneficial effects that:
Center refrigeration-type freezing and refrigeration cabinet group of the present invention, making largely being concentrated use in for case equipment is no longer that quotient surpasses
Lower consumption short slab, keeps equipment investment expense lower, puts more compact, reduction operating cost, is more energy-saving and environmentally friendly.Using centralized system
It is cold to replace dispersion refrigeration, refrigeration indoors is changed to the method used in outdoor cool room, is solved because indoor refrigeration is to environment
It influences, energy-saving and noise-reducing.
Refrigeration system is transferred to outdoor because of the use of Cooling capacity exchanging device by the present invention, and refrigerator is made to use unit inner space
More greatly, commodity are put more convenient, compact, keep the equipment cost of unit volume cheaper.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1, condenser；2, fan；3, refrigeration compressor；4, Cooling capacity exchanging device；4.1, heat-insulating housing；4.2, self-expanding
Pot for storing up liquid；5, controller；6, the first three-way diverter valve；7, expansion valve；8, outer circulation pumps；9, the second three-way diverter valve；10, safety
Valve；11, exhaust valve；12, non-freezing solution circulating pump；13, evaporator；14, temperature sensor；15, flow control valve；16, refrigerator-freezer changes
Hot device；17, refrigerator heat exchanger；18, display refrigerated frame heat exchanger；19, air-conditioning heat exchanger；20, liquid back pipe.
Specific embodiment
The present invention is described further below with reference to embodiment:
As shown in Figure 1, center refrigeration-type freezing and refrigeration cabinet group of the present invention, including refrigeration system and conduction cooling system,
One 20 cubic metres of freezer refrigeration unit of refrigeration system, refrigeration system includes condenser 1, expansion valve 7, refrigeration compressor
3 and evaporator 13, condenser 1 be placed in outdoor, evaporator 13 is soaked in sweet in the self-expanding pot for storing up liquid 4.2 of Cooling capacity exchanging device 4
In oil base non-freezing solution, condenser 1 is connected with expansion valve 7, evaporator 13, refrigeration compressor 3 in turn by external circulation line, refrigeration
Compressor 3 is connected with condenser 1 again, and in parallel with refrigeration compressor 3 to be equipped with outer circulation pump 8, outer circulation pumps at 8 entrance and exit
It is in parallel with expansion valve 7 to be equipped with liquid back pipe 20 equipped with the first three-way diverter valve 6, second is equipped at the entrance and exit of liquid back pipe 20
Three-way diverter valve 9；Conduction cooling system includes Cooling capacity exchanging device 4, and the heat-insulating housing 4.1 of Cooling capacity exchanging device 4 is arranged in self-expanding pot for storing up liquid
Outside 4.2, self-expanding pot for storing up liquid 4.2 is process with stainless steel ripple expansion bend, and size is can load whole evaporators 13
Standard, lower part are closed with stainless steel flat plate, are equipped with safety valve 10, and reserve the exhaust outlet equipped with exhaust valve 11, top outer arc
The stainless steel end socket of shape is closed, and heat-insulating housing 4.1 is the heat preservation casing of 7 cm thicks, 4.1 inner wall of heat-insulating housing and self-expanding pot for storing up liquid
There are a fixed gaps between 4.2.Cooling capacity exchanging device 4 needs the heat exchanger of device for cooling, inner loop pipeline by inner loop pipeline connection
Be equipped with non-freezing solution circulating pump 12, non-freezing solution circulation be bottom go out it is high return circulating, i.e., pump out non-freezing solution from lower part, non-freezing solution is from cold
Measure 4 upper return of exchanger.It needs the inlet of device for cooling heat exchanger to be equipped with flow control valve 15, needs device for cooling equipped with temperature sensing
Device 14；Temperature sensor 14, flow control valve 15, non-freezing solution circulating pump 12, condenser 1, refrigeration compressor 3, the first threeway are changed
It is controlled to valve 6, the second three-way diverter valve 9 and outer circulation pump 8 by controller 5.
In the present embodiment, needing the heat exchanger of device for cooling includes freezer heat exchanger 16, refrigerator heat exchanger 17, display refrigerated frame
Heat exchanger 18, air-conditioning heat exchanger 19, and each heat exchanger is arranged in parallel.
It is set in working condition when system powers on, control centre's programmable controller passes through temperature sensor 14 certainly
Each internal temperature situation for needing device for cooling (each refrigerator-freezer individual) unit of dynamic detection, it is corresponding to compare presetting each use unit
Operating temperature data.When outdoor temperature is equal to or less than setting value minimum using cell temperature, refrigeration compressor 3, condenser 1
Fan 2 stop working, while two the first three-way diverter valves 6 commutation of external circulation line, two the second three-way diverter valves 9 change
To disconnection compressor and expansion valve 7 connect outer circulation pump 8 and liquid back pipe 20, and outer circulation pump 8 is cold outside 1 switch room of condenser
The obtained cooling capacity of air is transported to Cooling capacity exchanging device 4 by external circulation line using the refrigerant in refrigeration system as carrier, with
This is supplied each refrigerator for needing cooling capacity or is reached to quotient using unit to displace each heat using inside unit
Effective preservation of product.Outer circulation carries out under low pressure, can complete the conveying to cooling capacity with lesser power, therefore can more reach
Energy-efficient purpose.When outdoor temperature is higher than refrigerator using minimum temperature setting value in unit, in two the first three-way diverter valves
6, under the action of two the second three-way diverter valves 9, outer circulation pump 8 and liquid back pipe 20 are disconnected, and compressor is connected with expansion valve 7, shape
At the circulation of refrigeration compressor 3, condenser 1, expansion valve 7, evaporator 13, outer circulation pump 8 stops working, refrigeration compressor 3, cold
The fan 2 of condenser 1 starts work, completes the switching to the method for operation with this.The complete course of work of the present invention one is completed.
Claims (7)
1. a kind of center refrigeration-type freezing and refrigeration cabinet group, it is characterised in that: including refrigeration system and conduction cooling system, the refrigeration
System includes condenser (1), expansion valve (7), refrigeration compressor (3) and evaporator (13), and the condenser (1) is placed in room
Outside, condenser (1) is connected with expansion valve (7), evaporator (13), refrigeration compressor (3), refrigeration pressure in turn by external circulation line
Contracting machine (3) is connected with condenser (1) again, in parallel with refrigeration compressor (3) to be equipped with outer circulation pump (8), and outer circulation pumps (8)
Entrance and exit at be equipped with the first three-way diverter valve (6)；The conduction cooling system includes Cooling capacity exchanging device (4), evaporator
(13) it is placed in Cooling capacity exchanging device (4), Cooling capacity exchanging device (4) needs the heat exchanger of device for cooling by inner loop pipeline connection, inside follows
Endless tube road is equipped with non-freezing solution circulating pump (12), needs the inlet of device for cooling heat exchanger to be equipped with flow control valve (15), needs cold charge
It sets equipped with temperature sensor (14)；Temperature sensor (14), flow control valve (15), non-freezing solution circulating pump (12), condenser
(1), refrigeration compressor (3), the first three-way diverter valve (6) and outer circulation pump (8) are controlled by controller (5).
2. center refrigeration-type freezing and refrigeration cabinet group according to claim 1, it is characterised in that: it further include liquid back pipe (20),
Liquid back pipe (20) is in parallel with expansion valve (7), and the second three-way diverter valve is equipped at the entrance and exit of liquid back pipe (20)
(9), the second three-way diverter valve (9) is controlled by controller (5).
3. center refrigeration-type freezing and refrigeration cabinet group according to claim 1, it is characterised in that: the Cooling capacity exchanging device
It (4) include heat-insulating housing (4.1) and self-expanding pot for storing up liquid (4.2), heat-insulating housing (4.1) setting is external in self-expanding pot for storing up liquid (4.2),
Evaporator (13) is placed in self-expanding pot for storing up liquid (4.2), and self-expanding pot for storing up liquid (4.2) is provided with refrigerating fluid.
4. center refrigeration-type freezing and refrigeration cabinet group according to claim 3, it is characterised in that: the refrigerating fluid is glycerol
Base non-freezing solution.
5. center refrigeration-type freezing and refrigeration cabinet group according to claim 3, it is characterised in that: the self-expanding pot for storing up liquid
(4.2) safety valve (10) are equipped with.
6. center refrigeration-type freezing and refrigeration cabinet group according to claim 3, it is characterised in that: the self-expanding pot for storing up liquid
(4.2) exhaust valve (11) are equipped with.
7. center refrigeration-type freezing and refrigeration cabinet group according to claim 1, it is characterised in that: the heat exchange for needing device for cooling
Device includes freezer heat exchanger (16), refrigerator heat exchanger (17), display refrigerated frame heat exchanger (18), air-conditioning heat exchanger (19), and
Each heat exchanger is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034344.7A CN109724356A (en) | 2019-01-15 | 2019-01-15 | Central refrigeration-type freezing and refrigeration cabinet group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034344.7A CN109724356A (en) | 2019-01-15 | 2019-01-15 | Central refrigeration-type freezing and refrigeration cabinet group |
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| Publication Number | Publication Date |
|---|---|
| CN109724356A true CN109724356A (en) | 2019-05-07 |
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ID=66299756
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910034344.7A Pending CN109724356A (en) | 2019-01-15 | 2019-01-15 | Central refrigeration-type freezing and refrigeration cabinet group |
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| CN2586918Y (en) * | 2002-09-10 | 2003-11-19 | 吴俊云 | Air-cooled heat pump type ice cold-storage domestic central air conditioner |
| CN101606806A (en) * | 2009-07-23 | 2009-12-23 | 中国科学院广州能源研究所 | Ice slurry cool storage refrigerated display cabinet |
| CN102748909A (en) * | 2011-04-20 | 2012-10-24 | 宋校良 | Central refrigerator |
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| CN107101440A (en) * | 2017-05-18 | 2017-08-29 | 北京工业大学 | The cold storage refrigerator that conventional energy resource unified with nature low-temperature receiver is utilized |
| CN108036447A (en) * | 2018-01-20 | 2018-05-15 | 佛山市淇特科技有限公司 | A kind of energy-saving multi-temperature area refrigerator and air conditioner integrated system |
| CN207688488U (en) * | 2017-11-22 | 2018-08-03 | 慈溪市佳叶电器厂 | A kind of environment-friendly and energy-efficient refrigerator |
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2019
- 2019-01-15 CN CN201910034344.7A patent/CN109724356A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000146399A (en) * | 1998-11-11 | 2000-05-26 | Sanyo Electric Co Ltd | Refrigerating device |
| CN2586918Y (en) * | 2002-09-10 | 2003-11-19 | 吴俊云 | Air-cooled heat pump type ice cold-storage domestic central air conditioner |
| CN101606806A (en) * | 2009-07-23 | 2009-12-23 | 中国科学院广州能源研究所 | Ice slurry cool storage refrigerated display cabinet |
| CN102748909A (en) * | 2011-04-20 | 2012-10-24 | 宋校良 | Central refrigerator |
| CN103256771A (en) * | 2011-06-25 | 2013-08-21 | 荣国华 | Refrigerator with outdoor cold source |
| CN103033021A (en) * | 2012-10-28 | 2013-04-10 | 南通芯迎设计服务有限公司 | Refrigerator and air conditioner integrated machine |
| KR20150075836A (en) * | 2013-12-26 | 2015-07-06 | 동부대우전자 주식회사 | Multi-refrigerator capable of individual control |
| CN107101440A (en) * | 2017-05-18 | 2017-08-29 | 北京工业大学 | The cold storage refrigerator that conventional energy resource unified with nature low-temperature receiver is utilized |
| CN207688488U (en) * | 2017-11-22 | 2018-08-03 | 慈溪市佳叶电器厂 | A kind of environment-friendly and energy-efficient refrigerator |
| CN108036447A (en) * | 2018-01-20 | 2018-05-15 | 佛山市淇特科技有限公司 | A kind of energy-saving multi-temperature area refrigerator and air conditioner integrated system |
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Application publication date: 20190507 |