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1、附录外文文献The energy-conservation of freezer, with automaticallying control1 A present freezer of automatic control current situations Though the cold storage self-control having been popularized all round, but great majority cold storages putting particular emphasis on is only a safeguard face to face
2、, the energy conservation having increased Wenku picking up the self-adjustment and cold storage measuring and controlling, to entire system relates that under the control of seldom or. Even if another aspect, already getting the all-round universal safeguard, before actual condition in working cant
3、 admit of no sanguine, pins up the cold storage self-control facilities having become ear of the deaf person even having become furnishing and decorating decorating front appearance only. The Shanghai cold storage association has done investigation in recent years to Shanghai area ammonia refrigerat
4、ing system cold storage safeguard and autocontrol condition , concrete conditions has seen that are what form l shows. A spot of should inquire into a data as the leopard has reflected current cold storage self-control general situationForm what 1 shows a self-control interposes and runs status thou
5、gh the very good cold storage only having 5 tidal current and direction accounting for 9% of the number counting, but it is these cold storages to have represented a nowadays. With the development of electron technology, the self-control component is more and more advanced , changeable procedure con
6、troller (PLC) and the PC function are more and more strong , self-control procedure is more and more perfect, system optimization and the energy conservation consciousness are also more and more strong. The cold storage energy conservation and the autocontrol relation are more and more rapid and int
7、ense , need the cold storage energy conservation to be ready for and composing much better, do well in and be engaged in better the autocontrol vitally needing right away. Above-mentioned example adopted by five cold storages representing tidal current in the nowadays and advanced level has all got
8、the pretty important effect to realizing cold storage energy conservation.2 How be ready for cold storage energy conservation autocontrolFundamental above-mentioned content starting point is the cold storage taking ammonia as all together style refrigeration working medium refrigerating system , is
9、that refrigeration working medium decentralization, allows all together style , all together style refrigerating system cold storage to have got very big development , whose self-control degree overtops also sometimes the all together style refrigerating system cold storage taking ammonia as refrige
10、ration working medium on behalf of a hydrocarbon with the thick gravy nowadays. Many working mediums are unlike cold storage of system of all kinds extensive use, content having enriched cold storage autocontrol tremendously, application in energy conservation at the same time also has provided the
11、vast scope for ones ability to autocontrol in the cold storage.2.1 Cold storage energy conservation autocontrol Cold storage energy conservation autocontrol is energy conservation under the control of procedure establishment and self-control component selecting and using from the content coming to s
12、tudy the autocontrol developing cold storage energy conservations relates that mainly whom. The firm, special field designing institute or capable unit as self-control component may assume cold storage energy conservation autocontrol research and develop equally. The firm and the designing institute
13、 make a contribution to some extent without exception already by now within that field. Cold storage energy conservation autocontrol can be developed exploitation commonly by firm and designing institute best (not bad firm give first place to, the designing institute coordinates) , perfects in the p
14、rocess of putting into effect using an unit the new product getting into form and grinding unceasingly to get rich.2.2 Energy conservation autocontrol specific items design prepares a cold storage putting composition into practice.That a specific items energy conservation autocontrols puts process i
15、nto practice sometimes is that the purpose checking K amendment , reaching energy conservation until according with design demand by designing , assembling debugging , pilot run , effect is extremely. While the project requires that content is changed into a ratio to some extent, may revise K at any
16、 time satisfying a request.The cold storage energy conservation sometimes requires that the advanced refrigeration switches over to prepare , right system mates , effective the words emergency measure and strict operation manage to manage to be put into effect, be requiring that the refrigeration technician goes ahead in the basis optimizing refrigeration process design right now, know well that energy conservation needs , be tied in wedlock this project cha
