CN101592371A - Multi-split air conditioner - Google Patents

Multi-split air conditioner Download PDF

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Publication number
CN101592371A
CN101592371A CNA2008101135903A CN200810113590A CN101592371A CN 101592371 A CN101592371 A CN 101592371A CN A2008101135903 A CNA2008101135903 A CN A2008101135903A CN 200810113590 A CN200810113590 A CN 200810113590A CN 101592371 A CN101592371 A CN 101592371A
Authority
CN
China
Prior art keywords
indoor set
expansion valve
air conditioner
split air
premises station
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
Application number
CNA2008101135903A
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Chinese (zh)
Inventor
张守信
张立智
王力刚
吴丽琴
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.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Group Corp
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Group Corp
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 Qingdao Haier Air Conditioner Gen Corp Ltd, Haier Group Corp filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CNA2008101135903A priority Critical patent/CN101592371A/en
Publication of CN101592371A publication Critical patent/CN101592371A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a kind of air-conditioner, it specifically is a kind of multi-split air conditioner, comprise off-premises station and indoor set, described air-conditioner is connected with indoor set more than two by an off-premises station at least and forms, on the refrigerant inflow pipeline of every indoor set, the adjustable expanded valve of cold medium flux is housed, the power output that the adjustable expanded valve of flow is used for regulating indoor set.The compressor that adopts 180 degree sine wave drive is housed in off-premises station.Wherein, the indoor set that identical indoor set is a structure, specification is all identical.The adjustable electronic expansion valve is to adopt dial-up to regulate the electric expansion valve of electronic expansion valve core aperture.The invention has the advantages that, can under the situation that does not change indoor type, indoor refrigeration or heating capacity be changed by adjusting, distribution to cold medium flux.This invention can reduce the air-conditioner production cost, is convenient to management, is convenient to sell, is convenient to install, is convenient to user's use of arbitrarily arranging in pairs or groups.

Description

Multi-split air conditioner
Technical field
The present invention relates to air-conditioning technical field, specifically relate to a kind of domestic type multi-split air conditioner.
Background technology
Multi-split air conditioner mainly adopts an off-premises station to drive one to three indoor set at present, compressor in the off-premises station of existing air-conditioner is to adopt 120 modes of spending non-complete vector controlled sine wave to control the power output of compressor mostly, this control mode can make the power consumption height of compressor, the power output instability, be easy to generate vibrations, noise, and not accurate enough to the control of indoor temperature.
Existing indoor set must be selected the forming machine of constant power for use, and as 1P (1P promptly refers to 1 horsepower, approximates 735W) machine or 1.5P machine or 2P machine etc., this fixing collocation mode brings many unnecessary troubles can for user, production firm, distributors.User's area owing to the room when using air-conditioning can change (as increasing partition or remove and cut off in the room, or the user of air-conditioner is moved to another dwelling from a dwelling), needed refrigeration or heating capacity also can need to change thereupon, and existing multi-split air conditioner is after the regular collocation of selected indoor set and off-premises station, or the fixed installation back just is difficult to change the power output of its indoor set output again.And for the production firm of multi-split air conditioner, in order to satisfy the demand in market, then need to produce the indoor set of many kinds of models to satisfy different clients' different needs, because the kind of product is more, the limited amount of demand, will certainly increase the production cost of indoor set unit like this, and the indoor set of producing many kinds of models also is unfavorable for plan, tissue, the management of producing, can cause the indoor set overproduction of certain model, and the phenomenon that supply falls short of demand may appear in the indoor set of another kind of model.For distributors, because the user has different demands, can can't carry out combined sale by customer requirement because of the indoor set of needs is in short supply, also exist and send out goods easily wrong, easily indoor set installed problems such as wrong position after sale in the management.
Summary of the invention
The objective of the invention is to overcome the weak point of regular collocation in the existing multi-split air conditioner, design a kind of indoor set of standard, adopt the adjustable electronic expansion valve to regulate the different output power of different indoor sets, the compressor that cooperates 180 degree sine wave drive controls simultaneously, make every indoor set can both independent regulation, power output ability independent allocation, guarantee the power reasonability that each indoor set is assigned to.
For achieving the above object, technical scheme of the present invention is to adopt a kind of multi-split air conditioner, comprise off-premises station and indoor set, described air-conditioner is connected with indoor set more than two by an off-premises station at least and forms, on the refrigerant inflow pipeline of every described indoor set, the adjustable expanded valve of cold medium flux is housed, the power output that the adjustable expanded valve of described flow is used for regulating described indoor set.
Wherein, the compressor that adopts 180 degree sine wave drive is housed in described off-premises station.
Wherein, described indoor set is the identical indoor set of structure and specification.
Wherein, the adjustable expanded valve of described cold medium flux is to adopt dial-up to regulate the electric expansion valve of electronic expansion valve core aperture.
Wherein, the refrigerant that described electric expansion valve is installed in the casing of described off-premises station flows out on the pipeline.
Wherein, described electric expansion valve is the electric expansion valve that the branch third gear is regulated.
Wherein, the electric expansion valve of described third gear adjusting is adjusted to 1P, 1.5P, 0P with the power parameter of every described indoor set respectively.
Wherein, described indoor set has three.
Wherein in, the general power of described compressor output is complementary with the general power that described each indoor set is imported.
Advantage of the present invention and beneficial effect are, in the one-driven-several type air-conditioning system, adopt the adjustable electronic expansion valve, can under the situation that does not change the indoor set type indoor refrigeration or heating capacity be changed by adjusting, distribution to cold medium flux.So just can only produce a kind of indoor set of standard model, drag the kind assembled state coldest days of the year end of to arrange in pairs or groups under three the situation one.This invention can reduce the air-conditioner production cost, is convenient to management, is convenient to sell, is convenient to install, is convenient to user's use of arbitrarily arranging in pairs or groups.After air-conditioning installed, the user only need regulate toggle switch just can change refrigeration or heating capacity in the room.And owing to adopted the operation of 180 degree sine wave drive control compressors in the present invention, can make that compressor is saved electric energy, operated steadily, noise is little, can make the indoor set temperature adjustment accurate etc.
Description of drawings
Fig. 1 is a multi-split air conditioner system schematic of the present invention.
Among the figure: 1, off-premises station; 2, indoor set; 3, expansion valve; 4, compressor; 5, refrigerant output pipe; 6, refrigerant flows back to pipeline; 7, choke valve; 8, reversal valve; 9, refrigerant flows into pipeline; 10, condenser.
The specific embodiment
Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, the operation principle of one-driven-several type air-conditioner of the present invention is, compressor 4 in the air-conditioner outdoor unit 1 extrudes refrigerant compression back from the refrigerant flow export, flow into reversal valve 8 through refrigerant output pipe 5, is operated in refrigeration or heating mode by reversal valve 8 control air-conditioners.Refrigerant flows into condenser 10 after flowing out by the road from reversal valve 8, refrigerant carries out cold and hot exchange with air in condenser, after refrigerant flows out from condenser, flow into pipeline 9 through refrigerant and flow to adjustable electronic expansion valve 3, electric expansion valve 3 is a kind of dialing electric expansion valves 3, can change the flow of refrigerant by dial-up, the change of its flow can cause air-conditioner the degree of superheat, wind speed, can activity of force etc. the variation of a plurality of parameter indexs.Refrigerant is through after the adjusting of electric expansion valve 3, and through the evaporimeter in a choke valve 7 inflow indoor sets 2, refrigerant carries out cold and hot exchange with air in evaporimeter, flow back to pipeline 6 through refrigerant again through the refrigerant after the cold and hot exchange and flow back in the compressor 4 again.Evaporimeter in the indoor set 2 is the evaporimeter of same configuration, same size in the present invention, and the structure of the other parts in the same indoor set 2 also is identical with size.Adopt 180 degree sine wave drive modes to control the operation of compressor 4 in the present invention, it can make the power output of compressor 4 regulate automatically according to the power of indoor set 2 outputs, reaches energy-conservation, operates steadily, reduces the purpose of noise.
For frequency-changeable compressor, two kinds of type of drive are arranged, one is 120 degree square wave type of drive, two is 180 degree sine wave drive modes (being the vector converter type of drive).On performance, the per 60 degree commutations of the former drive current once, and the latter is commutated at any time along with the rotation of rotor, can accurately control the running status of DC frequency-changeable compressor, it is higher to drive efficient, wearing and tearing less, operation is more steady, on comprehensively energy-conservation basis, reaches fresh-keeping lastingly, extra long life, the quiet resultant effect of noise reduction.
As shown in Figure 1, concrete technical application scheme of the present invention is to adopt a kind of multi-split air conditioner, comprise off-premises station 1 and indoor set 2, described air-conditioner is connected with indoor set 2 more than two by an off-premises station 1 at least and forms, on the refrigerant inflow pipeline 9 of every described indoor set 2, the adjustable expanded valve 3 of cold medium flux is housed, the power output that the adjustable expanded valve 3 of described flow is used for regulating described indoor set 2.
Wherein identical every indoor set 2 is structure indoor sets all identical with size, that is to say that indoor set 2 is indoor sets of a kind of standard model.The adjustable expanded valve 3 of cold medium flux can be the stop valve that can change flow of any form, as: grouping capillary+stop valve; What stepping control valve etc., present embodiment adopted is a kind of adjustable electronic expansion valve 3, this electric expansion valve 3 adopt dial-ups regulate electric expansion valves 3 spool apertures mode regulate the flow of refrigerant.Electric expansion valve 3 is installed in refrigerant in described indoor set 2 casings to be flowed on the pipeline 9 or the refrigerant that is installed in off-premises station 1 casing flows on the pipeline 9.Adjustable electric expansion valve 3 is electric expansion valves that the branch third gear is regulated.The electric expansion valve 3 that third gear is regulated can be adjusted to arbitrary in the indoor set 2 in 1P machine or 1.5P machine respectively or close indoor set.The general power of the general power of compressor 4 outputs and 2 inputs of described indoor set is complementary, and in different adjusting assembled state, the peak power output of compressor 4 outputs is 4.5P, and minimum is 1P.
Dragging three formula air-conditioners with one is example, can realize that by the dial-up of regulating electric expansion valve 3 refrigeration of indoor set or the state that heats comprise:
Cubicle can furnishing 1P;
Big room can furnishing 1.5P;
Cubicle+cubicle can furnishing 1P+1P;
Cubicle+big room can furnishing 1P+1.5P;
Big room+big room can furnishing 1.5P+1.5P;
Cubicle+cubicle+cubicle can furnishing 1P+1P+1P;
Big room+big room+big room can furnishing 1.5P+1.5P+1.5P;
Cubicle+cubicle+big room can furnishing 1P+1P+1.5P;
Cubicle+big room+big room can furnishing 1P+1.5P+1.5P.
Indoor set of the present invention is a kind of indoor set of standard type, by regulating the dial-up of electric expansion valve, indoor set can be adjusted to 1P machine or 1.5P machine, and this adjustable mode brings many facilities can for user, production firm, distributors.User's area owing to the room when using air-conditioning can change (as increasing partition or remove and cut off in the room, or the user of air-conditioner is moved to another dwelling from a dwelling), needed refrigeration or heating capacity also can need to change thereupon, and use multi-split air conditioner of the present invention only need regulate refrigeration or heating capacity that dial-up just can change the room.And for the production firm of multi-split air conditioner, as long as produce the different needs that a kind of indoor set of model just can satisfy the client, because that the kind of product has only is a kind of, so production cost is lower, and helps producing, plan, tissue, manage.For distributors, because that the kind of product has only is a kind of, just not being prone to the indoor set short supply can't be by the combined sale of customer requirement, also can not exist in the management after sale to send out goods wrong, easily indoor set is installed problem such as wrong position.
More than be preferred forms of the present invention, according to content disclosed by the invention, those of ordinary skill in the art can expect some identical, replacement schemes apparently, all should fall into the scope of protection of the invention.

Claims (9)

1, a kind of multi-split air conditioner, comprise off-premises station and indoor set, it is characterized in that described air-conditioner is connected with indoor set (2) more than two by an off-premises station (1) at least forms, on the refrigerant inflow pipeline (9) of every described indoor set (2), the adjustable expanded valve of cold medium flux (3) is housed, the power output that the adjustable expanded valve of described flow (3) is used for regulating described indoor set (2).
2, multi-split air conditioner as claimed in claim 1 is characterized in that, the compressor (4) that adopts 180 degree sine wave drive is housed in described off-premises station (1).
3, multi-split air conditioner as claimed in claim 1 is characterized in that, described indoor set (2) is the identical indoor set of structure, specification (2).
4, multi-split air conditioner as claimed in claim 1 is characterized in that, the adjustable expanded valve of described cold medium flux (3) is to adopt dial-up to regulate the electric expansion valve (3) of electronic expansion valve core aperture.
5, multi-split air conditioner as claimed in claim 4 is characterized in that, the interior refrigerant of casing that described electric expansion valve is installed in described off-premises station (1) flows out on the pipeline (9).
As claim 4 or 5 described multi-split air conditioners, it is characterized in that 6, described electric expansion valve is the electric expansion valve that the branch third gear is regulated.
7, multi-split air conditioner as claimed in claim 6 is characterized in that, the electric expansion valve that described third gear is regulated is adjusted to 1P, 1.5P, 0P with the power parameter of every described indoor set respectively.
8, multi-split air conditioner as claimed in claim 3 is characterized in that, described indoor set (2) has three.
9, multi-split air conditioner as claimed in claim 2 is characterized in that, the general power of the general power of described compressor (4) output and described each indoor set (2) input is complementary.
CNA2008101135903A 2008-05-29 2008-05-29 Multi-split air conditioner Pending CN101592371A (en)

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Application Number Priority Date Filing Date Title
CNA2008101135903A CN101592371A (en) 2008-05-29 2008-05-29 Multi-split air conditioner

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CN101592371A true CN101592371A (en) 2009-12-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848504A (en) * 2015-03-20 2015-08-19 江苏盈方智能科技有限公司 Date computer room precise air-conditioning energy-saving system based on enthalpy value intelligent temperature control optimization algorithm and operating method thereof
CN108061348A (en) * 2017-12-29 2018-05-22 广东申菱环境系统股份有限公司 A kind of urban track traffic integrated refrigeration station formula evaporative condenser air-conditioning system
CN112066520A (en) * 2020-09-17 2020-12-11 无锡职业技术学院 Intelligent building air conditioner charging and intelligent management and control system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104848504A (en) * 2015-03-20 2015-08-19 江苏盈方智能科技有限公司 Date computer room precise air-conditioning energy-saving system based on enthalpy value intelligent temperature control optimization algorithm and operating method thereof
CN104848504B (en) * 2015-03-20 2018-11-20 江苏赛瑞机器人装备有限公司 Data center computer room precision air conditioner energy conserving system and its operation method based on enthalpy intelligent temperature control optimization algorithm
CN108061348A (en) * 2017-12-29 2018-05-22 广东申菱环境系统股份有限公司 A kind of urban track traffic integrated refrigeration station formula evaporative condenser air-conditioning system
CN112066520A (en) * 2020-09-17 2020-12-11 无锡职业技术学院 Intelligent building air conditioner charging and intelligent management and control system
CN112066520B (en) * 2020-09-17 2022-02-22 无锡职业技术学院 Intelligent building air conditioner charging and intelligent management and control system

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Application publication date: 20091202