CN211953310U - Energy-saving refrigerating system - Google Patents
Energy-saving refrigerating system Download PDFInfo
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- CN211953310U CN211953310U CN202020260631.8U CN202020260631U CN211953310U CN 211953310 U CN211953310 U CN 211953310U CN 202020260631 U CN202020260631 U CN 202020260631U CN 211953310 U CN211953310 U CN 211953310U
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- temperature sensor
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- frequency conversion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000005057 refrigeration Methods 0.000 claims description 22
- 239000003507 refrigerant Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
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Abstract
Description
技术领域technical field
本实用新型涉及制冷技术领域，具体为一种节能制冷***。The utility model relates to the technical field of refrigeration, in particular to an energy-saving refrigeration system.
背景技术Background technique
目前，在大型公共建筑电制冷商业空调行业，主要分为变频制冷机和定频制冷机，但定频制冷机在额定负荷下效率最高，而变频制冷机在部分负荷下效率最高，现有的制冷设备单独采用定频或者变频机组，使得制冷设备的运行效率低，为了在制冷过程中在实现节能减排的目的，为此我们提出一种节能制冷***。At present, in the electric refrigeration commercial air conditioning industry of large public buildings, it is mainly divided into variable frequency refrigerators and fixed frequency refrigerators, but fixed frequency refrigerators have the highest efficiency under rated load, while variable frequency refrigerators have the highest efficiency under partial load. The refrigeration equipment uses a fixed frequency or variable frequency unit alone, which makes the operation efficiency of the refrigeration equipment low. In order to achieve the purpose of energy saving and emission reduction in the refrigeration process, we propose an energy-saving refrigeration system.
实用新型内容Utility model content
本实用新型的目的是为了解决上述问题，设计了一种节能制冷***。The purpose of this utility model is to design an energy-saving refrigeration system in order to solve the above problems.
实现上述目的本实用新型的技术方案为，一种节能制冷***，包括控制***、变频机组、定频机组，所述变频机组与定频机组并联，所述变频机组包括蒸发器一，压缩机一，冷凝器一，节流装置一，依次连接形成第一制冷剂循环回路，所述定频机组包括蒸发器二，压缩机二，冷凝器二，节流装置二，依次连接形成第二制冷剂循环回路。The technical scheme of the present invention to achieve the above objects is that an energy-saving refrigeration system includes a control system, a frequency conversion unit, and a fixed frequency unit, wherein the frequency conversion unit and the fixed frequency unit are connected in parallel, and the frequency conversion unit includes an evaporator and a compressor. , condenser 1, throttling device 1, connected in sequence to form a first refrigerant circulation loop, the fixed frequency unit includes evaporator 2, compressor 2, condenser 2, throttling device 2, connected in sequence to form a second refrigerant circular loop.
进一步地，所述蒸发器一与冷冻水回水主管道和冷冻水供水主管道连接。Further, the first evaporator is connected with the main pipe of the chilled water return and the main pipe of the chilled water supply.
进一步地，所述蒸发器二与冷冻水回水主管道和冷冻水供水主管道连接。Further, the second evaporator is connected with the main pipe of the chilled water return and the main pipe of the chilled water supply.
进一步地，所述变频机组的冷冻水进水处设有流量调节控制阀，所述流量调节控制阀所述控制***连接。Further, a flow regulating control valve is provided at the chilled water inlet of the frequency conversion unit, and the flow regulating control valve is connected to the control system.
进一步地，所述冷冻水回水主管道上设有温度传感器一，所述冷冻水供水主管道上设有温度传感器二，所述温度传感器一和温度传感器二与所述控制***连接。Further, a temperature sensor 1 is provided on the chilled water return water main pipeline, and a temperature sensor 2 is provided on the chilled water supply main pipeline, and the temperature sensor 1 and temperature sensor 2 are connected to the control system.
利用本实用新型的技术方案的一种节能制冷***，可以充分发挥不同制冷机组不同工况下最佳节能运行状态，增加制冷机总体运行效率。Using the energy-saving refrigeration system of the technical solution of the utility model, the optimal energy-saving operation state of different refrigeration units under different working conditions can be fully utilized, and the overall operation efficiency of the refrigerator can be increased.
附图说明Description of drawings
图1是本实用新型所述一种节能制冷***的示意图。FIG. 1 is a schematic diagram of an energy-saving refrigeration system according to the present invention.
图中，1、控制***；2、变频机组；201、蒸发器一；202、压缩机一； 203、冷凝器一；204、节流装置一；205、流量调节控制器；3、定频机组；301、蒸发器二；302、压缩机二；303、冷凝器二；304、节流装置二；4、温度传感器一；5、温度传感器二。In the figure, 1. Control system; 2. Frequency conversion unit; 201, Evaporator 1; 202, Compressor 1; 203, Condenser 1; 204, Throttle device 1; 301, evaporator two; 302, compressor two; 303, condenser two; 304, throttle device two; 4, temperature sensor one; 5, temperature sensor two.
具体实施方式Detailed ways
下面结合附图对本实用新型进行具体描述，如图1所示，一种节能制冷***，包括控制***1，变频机组2和定频机组3，所述变频机组2与定频机组3并联，变频机组2包括蒸发器一201，压缩机一202，冷凝器一203，节流装置一204，依次连接形成第一制冷剂循环回路，蒸发器一201与冷冻水回水主管道和冷冻水供水主管道连接，并且蒸发器一201的冷冻水进水处设有流量调节控制器205，流量调节控制器 205与控制***1连接，定频机组3包括蒸发器二301，压缩机二302，冷凝器二303，节流装置二304，依次连接形成第二制冷剂循环回路，冷冻水回水主管道和冷冻水供水主管道分别设有温度传感器一4和温度传感器二5，温度传感器一4和温度传感器二5与控制***1连接。The present utility model will be described in detail below with reference to the accompanying drawings. As shown in Figure 1, an energy-saving refrigeration system includes a control system 1, a frequency conversion unit 2 and a
制冷机运行时，液态工质首先在蒸发器一201和蒸发器二301内部吸收冷却物的热量，使得液体蒸发形成蒸汽，然后经过压缩机一202 和压缩机二302内部压缩成高温高压气体，高温高压气体经过管道进入冷凝器一203和冷凝器二303内部液化，把吸收的热量传递给从冷冻水回水主管道进入的水中，水被加热从冷冻水供水主管道3中出来，而在冷凝器一203和冷凝器二303中液化的工质经过节流装置一204 和节流装置二304再进到蒸发器一201和蒸发器二301中，达到循环制冷的目的。制冷剂在***中经过蒸发、压缩、冷凝、节流四个基本过程完成一个制冷循环。控制***根据制冷机温度传感器一4与温度传感器二5的温度差，调节该流量调节控制器205的开启度，使定频制机组3始终处于额定流量额定制冷量状态，相反，变频机组2通过实时调整其进入蒸发器一201的水流量，使之绝大部分运行在部分负荷状态。在达到末端总冷量需求的前提下，充分发挥不同机组不同工况下最佳节能运行状态，增加制冷机总体运行效率。When the refrigerator is running, the liquid working medium first absorbs the heat of the coolant in the evaporator 1 201 and the evaporator 2 301, so that the liquid evaporates to form steam, and then is compressed into the high temperature and high pressure gas through the compressor 1 202 and the compressor 2 302, The high-temperature and high-pressure gas enters the condenser 1 203 and the condenser 2 303 through the pipeline to liquefy, and transfers the absorbed heat to the water entering from the chilled water return main pipeline. The water is heated and comes out from the chilled water supply
同时，该节能制冷***可配合现有制冷机房自控***使用。At the same time, the energy-saving refrigeration system can be used with the existing refrigeration machine room automatic control system.
上述技术方案仅体现了本实用新型技术方案的优选技术方案，本技术领域的技术人员对其中某些部分所可能做出的一些变动均体现了本实用新型的原理，属于本实用新型的保护范围之内。The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention, and some changes that those skilled in the art may make to some parts of them all reflect the principles of the present invention and belong to the protection scope of the present invention. within.
Claims (5)
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| CN202020260631.8U CN211953310U (en) | 2020-03-05 | 2020-03-05 | Energy-saving refrigerating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114698327A (en) * | 2020-12-31 | 2022-07-01 | 河北思达歌数据科技投资有限公司 | Multistage refrigeration system and refrigeration method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114698327A (en) * | 2020-12-31 | 2022-07-01 | 河北思达歌数据科技投资有限公司 | Multistage refrigeration system and refrigeration method |
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Granted publication date: 20201117 |
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