CN2896089Y - Roof type intelligent air-conditioner group - Google Patents

Roof type intelligent air-conditioner group Download PDF

Info

Publication number
CN2896089Y
CN2896089Y CN 200620110614 CN200620110614U CN2896089Y CN 2896089 Y CN2896089 Y CN 2896089Y CN 200620110614 CN200620110614 CN 200620110614 CN 200620110614 U CN200620110614 U CN 200620110614U CN 2896089 Y CN2896089 Y CN 2896089Y
Authority
CN
China
Prior art keywords
cooling water
cooling
unit
water pump
electrostatic
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.)
Expired - Fee Related
Application number
CN 200620110614
Other languages
Chinese (zh)
Inventor
袁剩勇
何志刚
文志成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Midea General Refrigeration Equipment Co Ltd
Original Assignee
Chongqing Midea General Refrigeration Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Midea General Refrigeration Equipment Co Ltd filed Critical Chongqing Midea General Refrigeration Equipment Co Ltd
Priority to CN 200620110614 priority Critical patent/CN2896089Y/en
Application granted granted Critical
Publication of CN2896089Y publication Critical patent/CN2896089Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Other Air-Conditioning Systems (AREA)

Abstract

The utility model provides a roof type intelligent air-conditioner group which accommodates a screw-type cooling water unit of main unit, a cooling water pump, a refrigeration pump, a cross-flow cooling tower, an electrostatic hydrotreater and an intelligent control box in a tank body, the invention can be placed on the roof as a whole, or be placed on outdoor open position based on actual condition, thus the structure is compact and individual machine room is not required, the components are not required to be arranged and connected one by one, thus the installation time can be reduced and the cost can be lowered. A controller PCL that can be programmed is used for intelligent control to realize the object of effective energy saving. The cooling water is treated by the electrostatic hydrotreater before entering the main unit, the water quality is purified and thus the cooling effect is increased and the useful time of the unit is prolonged.

Description

Roof type intelligent air condition unit
Technical field
The utility model relates to a kind of air-conditioning unit.
Background technology
Water-cooled cold water air-conditioning unit is by handpiece Water Chilling Units (compressor, condenser, evaporimeter and throttle part), cooling tower, cooling water pump, composition such as chilled water pump and electric cabinet, at present, water-cooled cold water air-conditioning unit on the market generally is that main frame part (being the handpiece Water Chilling Units part) is installed in the special-purpose machine room, with cooling tower, cooling water pump, chilled water pump is installed in outdoor, by common electric cabinet control, this arrangement disperses relatively, installation period is long, equipment configuration producer is more relatively, also need Site Design pipeline trend, expense is higher relatively, occupy special-purpose machine room, and the cooling tower that cooling water system often occurs to be placed on the outdoor system that causes dirty stifled.Indivedual producers also have cooling tower, cooling water pump, chilled water pump and electric cabinet are placed in the casing, but they are with handpiece Water Chilling Units separating still, and still not whole being convenient to installed.
In addition, what the air-conditioning unit adopted is water-cooled, and running water moves in unit for a long time, accumulates impurity and incrustation scale easily, influences the service life of cooling effect and unit.
Also have, the control cabinet of common air-conditioning unit is only realized control to compressor, and the Based Intelligent Control that does not have realization that all component is concentrated can not effectively reach purpose of energy saving.
Summary of the invention
The utility model provides a kind of roof type intelligent air condition unit at the deficiency that prior art exists, and to reach easy for installation, to save space and mounting cost, improves cooling effect and prolongs the unit purpose in service life.
The technical scheme that its technical problem that solves the utility model adopts is: it is with screw-type water chiller (compressor, evaporimeter, condenser, choke valve), cooling water pump, chilled water pump, cross flow cooling tower and intelligent control box etc. link together by pipeline, and all parts are positioned in the same casing, form an integral body, can integral body be positioned over the roof during installation, or also can be positioned over the place of outdoor spaciousness according to actual conditions, compact conformation like this, do not take machine room separately, again parts are not arranged connection one by one when not needing to install yet, can shorten installation period, reduce cost.The control of this unit is the intelligent control box that relies in the casing, and programmable controller PC L is arranged, and the Based Intelligent Control that realization is concentrated all component effectively reaches purpose of energy saving
In addition, consider the influence of cooling water quality, on the pipeline of cooling water pump connection condenser, increased electrostatic water treating device unit, use electrostatic water treating device that water quality is handled before making cooling water advance main frame, be purified, improve cooling effect, and prolong unit service life.
The utility model major advantage:
1. the unit initial cost is low: the user does not need to establish in addition cooling water pump, chilled water pump, scale removal sterilizing unit, cooling tower, control cabinet, main frame machine room etc. again.
2. floor space is little: unit is concentrated and is not disperseed, and does not need to establish separately machine room, only needs on the roof or space of reservation, spacious place.
3. installation, easy to maintenance: installation side only needs roof type intelligent air condition unit and extension tube attached are coupled together, and the installation site is flexible, installation period is short, has improved efficient.
4. design and produce conveniently: formed complete machine owing to all parts are concentrated, be convenient to design and installation and carry out suitability for industrialized production.
5. increase hydrotreater, prolonged unit service life, improved cooling effect.
6. adopted intelligent control box, realized the centralized Control of compressor, cooling water pump, chilled water pump, blower fan of cooling tower, electrostatic water treating device etc. is controlled blower fan of cooling tower by frequency converter, thereby reached energy-conservation purpose by programmable PLC.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the control principle figure of this air-conditioning unit.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, the utility model is that screw-type water chiller (comprising compressor 2, evaporimeter 3, condenser 4, choke valve 5), electrostatic water treating device 6, cooling water pump 7, chilled water pump 8, cross flow cooling tower 9 and intelligent control box 1 are linked together by pipeline, all parts is positioned over forms an integral body in the casing 10 then.At work, at first be after compressing by 2 pairs of low-temp low-pressure gaseous coolants of compressor, become the HTHP gaseous coolant, enter condenser 4 through blast pipe, by cooling water pump 7 cooling water in the cross flow cooling tower 9 is delivered in the electrostatic water treating device 6, carry out water treatment, water after the processing is delivered in the condenser 4, the HTHP refrigerant is cooled to liquid refrigerants, behind the energy, cooling water is back to cooling tower 9 in the cooling water absorptive condenser 4, is dispelled the heat by the fan in the cross flow cooling tower 9 again, the heat that cooling water is brought is dissipated in the atmosphere, has so far finished whole cooling system periodic duty.High pressure refrigerant in the condenser 4 is after choke valve 5 throttling step-downs, refrigerant enters evaporimeter 3, recirculated water in the end-equipment is sent back in the evaporimeter 3 by chilled water pump 8, become the gaseous coolant of low-temp low-pressure after the refrigerant heat absorption, suck back by compressor 2 again, repetition is got back to again after the chilled water heat release in the end-equipment with cocycle, so far finishes the periodic duty of whole freezing water system.Whole process is all controlled by intelligent control box 1, and the user is in indoor realization Long-distance Control.
The control principle of this air-conditioning unit is referring to Fig. 2; it has adopted the break-make of breaker QF1~3 pair major loops to control; control the star of compressor electric motor respectively with A.C. contactor KM1~6--triangle start and start-stop; and the start-stop of water pump and blower fan; frequency converter B P is used for blower fan of cooling tower is carried out frequency control; the demonstration that realizes three-phase line voltage and line current by change-over switch SA1, SA2 is switched, and current transformer TA1, TA2 show the compressor loop electric current by protection and the electric current that conversion is used for compressor.In addition, it also is provided with three-phase alternating voltage detector KR compressor electric motor is carried out the anti-phase protection, adopts motor protector A5 protection compressor, is used for motor is carried out overload protection with electrothermal relay FR1~3.
As seen, this intelligent control box is that compressor, cooling water pump, chilled water pump, blower fan of cooling tower, electrostatic water treating device etc. are carried out centralized Control, whole process realizes by programmable PLC, in the running, compressor is regulated the output of cold automatically according to the variation of freezing leaving water temperature, realize institute's chilling requirement and the balance that cold is provided, and blower fan of cooling tower is controlled by frequency converter, can change electric machine frequency in the blower fan of cooling tower according to the variation of cooling water temperature, regulate the rotating speed of cooler fan, thereby reach energy-conservation purpose.

Claims (2)

1. roof type intelligent air condition unit, comprise screw-type water chiller, cooling water pump (7), chilled water pump (8), cooling tower (9) and the control cabinet (1) formed by compressor (2), evaporimeter (3), condenser (4) and choke valve (5), they connect by pipeline, it is characterized in that: above-mentioned part is concentrated to be loaded in the casing (10), control cabinet (1) adopts intelligent control box, in programmable controller PC L is arranged.
2. the described air-conditioning unit of claim 1, its characteristics are: by being connected with electrostatic water treating device (6) between cooling water pump (7) and the condenser (4).
CN 200620110614 2006-05-18 2006-05-18 Roof type intelligent air-conditioner group Expired - Fee Related CN2896089Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620110614 CN2896089Y (en) 2006-05-18 2006-05-18 Roof type intelligent air-conditioner group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620110614 CN2896089Y (en) 2006-05-18 2006-05-18 Roof type intelligent air-conditioner group

Publications (1)

Publication Number Publication Date
CN2896089Y true CN2896089Y (en) 2007-05-02

Family

ID=38065665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620110614 Expired - Fee Related CN2896089Y (en) 2006-05-18 2006-05-18 Roof type intelligent air-conditioner group

Country Status (1)

Country Link
CN (1) CN2896089Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101858661A (en) * 2010-05-26 2010-10-13 广东欧科空调制冷有限公司 Worm type water-cooled cold water chiller and control method
CN103411355A (en) * 2013-08-16 2013-11-27 宋道胜 Evaporation-condensation separation type cold and heat collecting tri-integrated refrigeration station
CN106196354A (en) * 2016-07-29 2016-12-07 瑞安市智造科技有限公司 A kind of central air-conditioning

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101858661A (en) * 2010-05-26 2010-10-13 广东欧科空调制冷有限公司 Worm type water-cooled cold water chiller and control method
CN103411355A (en) * 2013-08-16 2013-11-27 宋道胜 Evaporation-condensation separation type cold and heat collecting tri-integrated refrigeration station
CN103411355B (en) * 2013-08-16 2015-07-29 宋道胜 Evaporative condenser separate type Ji Leng thermal-arrest refrigeration station
CN106196354A (en) * 2016-07-29 2016-12-07 瑞安市智造科技有限公司 A kind of central air-conditioning

Similar Documents

Publication Publication Date Title
CN1904503A (en) Compressor variable frequency energy saving reforming method of constant speed centrifugal water cooling machine set
CN101498494A (en) Economical operation method for central air conditioning system
CN203837109U (en) Integrated and combined type machine room air conditioner unit
CN101749223B (en) Method for controlling temperature of lubricating oil of compressor with low pressure chamber
CN101571312A (en) Full variable-frequency speed-adjusting cold and warm type air-conditioning system for transportation device
CN2896089Y (en) Roof type intelligent air-conditioner group
CN101929752A (en) Refrigerant cycle natural cooling base station air conditioner and implementation method thereof
CN201391972Y (en) Whole frequency-conversion speed-regulation cool-warm air conditioner for transporting device
CN201074941Y (en) Mechanical defrosting structure of evaporator
CN203215888U (en) Air heating all-in-one machine
CN106969528B (en) Heat recovery circulation system and method thereof
CN201731674U (en) Refrigerant natural cooling base station air conditioner
CN211177259U (en) Energy-saving terminal energy-saving air conditioning unit
CN2650031Y (en) Locomotive compressed air conditioning device
CN210123208U (en) Water-cooling screw type water chiller
CN203501386U (en) Frequency conversion driving system of central air conditioner
CN209181383U (en) A kind of supermarket's refrigeration integrated energy-saving control system
CN2342284Y (en) Water circulation cooling attached device for small air conditioner
CN1888614A (en) Energy-saving central air conditioner
CN101666535A (en) Low-temperature refrigeration control device of single-phase motor in air conditioning unit
CN2530197Y (en) Dual-system energy saving central air conditioner
CN201000244Y (en) Multiple electricity system chariot frequency-change air conditioner
CN2720313Y (en) Electric-net valley-electricity accumulating energy-saving central air-conditioner
CN209310204U (en) Subway air adjusts cold water machine control system
CN117387130A (en) Portable outdoor power supply air conditioner

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070502

Termination date: 20140518