CN201262446Y

CN201262446Y - Novel air conditioner with high performance-price ratio

Info

Publication number: CN201262446Y
Application number: CNU2008201884885U
Authority: CN
Inventors: 聂金良; 吴加生; 雷华翘
Original assignee: Guangdong Midea Electric Appliances Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2008-08-08
Filing date: 2008-08-08
Publication date: 2009-06-24
Anticipated expiration: 2018-08-08

Abstract

A novel air conditioner of high cost performance comprises a compressor, a condenser, a check valve and an evaporator, which are connected with each other from head to end. The check valve is a first check valve, which is installed in a direction opposite to a conventional installation direction. An auxiliary refrigeration capillary is connected in parallel between the inlet end and outlet end of the first check valve, one end of a heating capillary is communicated with the inlet end of the check valve and the other end thereof is communicated with the evaporator, and the outlet end of the first check valve is communicated with the condenser. The auxiliary refrigeration capillary is longer than the heating capillary. The novel air conditioner is simple and reasonable in structure, lowers the manufacture cost by reducing the volume and heat exchange area of an outdoor unit matched with an indoor unit of the same specification, and does not frost in heating.

Description

The air conditioner of high performance-price ratio

Technical field

The utility model relates to the air conditioner of a kind of air-conditioner, particularly a kind of high performance-price ratio.

Background technology

In recent years because the lasting appreciation of RMB, make that just very low white domestic appliances circle of original profit are more awkward, profit margin is more and more littler, competition is more white-hot, this just forces air conditioning system maker will compress the production cost of oneself as far as possible, and reducing cost has just become the nearest research and development theme of each producer.Common domestic air conditioning enterprise cost-reduction program roughly has: change compressor originally lower, easier buying into;

Copper pipe change into

Change into

, or even

Change into

; Take out pipe or several respects such as copper pipe tube wall attenuate are considered.These schemes all can have influence on the normal use of air-conditioner basically, perhaps influence its effect of bringing into normal play, and have also damaged consumer's immediate interest.In addition, also seldom directly from reducing the volume of outdoor casing, cost is considered to fall in the heat exchange area aspect that significantly reduces condenser in each producer, because frosting can directly cause heating like this time causes test can't pass.

Now, we look at the operating position of the check valve on the present domestic air conditioning, see accompanying drawing 1, when air-conditioning normally freezes, after refrigerant is discharged from compressor, pass through condenser 4, check valve 1, refrigerating capillary 2 and evaporimeter successively after, get back to compressor at last, so go round and begin again, realize refrigeration; When heating, after refrigerant is discharged from compressor, successively through evaporimeter, refrigerating capillary 2, heat assisted capillary 3 and condenser after, return compressor at last, the running that so goes round and begins again realizes heating, wherein, heat assisted capillary 3 and be connected in parallel on check valve 1 two ends, refrigerating capillary 2 is determined on a case-by-case basis with the length that heats assisted capillary 3, and the direction of arrow among the figure is the direction of original marking on the check valve.

The utility model content

The purpose of this utility model aim to provide a kind of simple and reasonable, by reducing volume and the heat exchange area with the supporting off-premises station of the indoor set of former same size, thereby reduce cost of manufacture and the air conditioner of the high performance-price ratio of frost-free when heating, to overcome weak point of the prior art.

Press the air conditioner of a kind of high performance-price ratio of this purpose design, comprise end to end compressor, condenser, check valve and evaporimeter, its architectural feature is that check valve is first check valve, this first check valve is installed with the direction opposite with conventional installation direction, the refrigeration assisted capillary is connected in parallel between the entrance point and the port of export of first check valve, heating capillary one end communicates with the entrance point of first check valve, its other end communicates with evaporimeter, and the port of export of first check valve communicates with condenser.

It is long that the length ratio of described refrigeration assisted capillary heats length capillaceous.

A kind of air conditioner of high performance-price ratio, comprise end to end compressor, condenser, check valve and evaporimeter, its architectural feature is that check valve comprises second check valve and the 3rd check valve, the port of export of second check valve and refrigerating capillary one end join, the entrance point of the 3rd check valve with heat capillary one end and join, this refrigerating capillary other end with heat after the capillary other end joins, communicate with compressor, after the port of export of the entrance point of second check valve and the 3rd check valve joins, communicate with condenser.

The length of described refrigerating capillary and to heat length capillaceous close.

The reverse installation of the check valve in the utility model, promptly the mark on the check valve to when refrigeration cold-producing medium actual flow on the contrary.

The utility model is to do to optimize between existing indoor set, off-premises station to cooperate, use check valve to avoid heating the phenomenon of frosting neatly, promptly be installed in parallel in system and realize by the anti-dress of the check valve in the system of being connected on or with two check valves, its final result is the volume that directly reduces the off-premises station of air-conditioning, thereby the heat exchange area that just reduces condenser reduces the production cost and the cost of transportation of whole air-conditioning, the hundred-percent potential that utilizes condenser, improve the cost performance of air-conditioner greatly, improve the market competitiveness.

Description of drawings

Fig. 1 is an embodiment of the prior art structural representation.

Fig. 2 is the utility model one example structure schematic diagram.

Fig. 3 is another example structure schematic diagram of the utility model.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

Embodiment adopts part name and the Reference numeral the same with background technology.

First embodiment

Referring to Fig. 2, the air conditioner of this high performance-price ratio, comprise end to end compressor, condenser 4, first check valve 11 and the evaporimeter, this first check valve is installed with the direction opposite with conventional installation direction, refrigeration assisted capillary 12 is connected in parallel between the entrance point and the port of export of first check valve, heat capillary 13 1 ends and communicate with the entrance point of first check valve, its other end communicates with evaporimeter, and the port of export of first check valve communicates with condenser.Wherein, to heat length capillaceous long for the length ratio of refrigeration assisted capillary.During practice, refrigeration assisted capillary 12 with heat capillary 13 and weld, be connected in the system and get final product.

When air-conditioning normally freezed, refrigerant was discharged from compressor, the condenser 4 of flowing through, refrigeration assisted capillary 12 and heat capillary 13, the evaporimeter of flowing through at last returns compressor, go round and begin again and finish refrigeration, this moment refrigerant first check valve of not flowing through.

When heating, refrigerant is discharged from compressor, enters evaporimeter, flows through to heat the capillary 13 and first check valve 11, and the condenser of flowing through at last returns compressor, finishes heating.

Second embodiment

Referring to Fig. 3, the air conditioner of this high performance-price ratio, comprise end to end compressor, condenser 4, check valve and evaporimeter, check valve comprises second check valve 21 and the 3rd check valve 31, the port of export of second check valve and refrigerating capillary 2 one ends join, the entrance point of the 3rd check valve with heat capillary 13 1 ends and join, this refrigerating capillary other end with heat after the capillary other end joins, communicate with compressor, after the port of export of the entrance point of second check valve and the 3rd check valve joins, communicate with condenser.The length of refrigerating capillary and to heat length capillaceous close.If the length of refrigerating capillary 2 and heat the similar length of capillary 13, but when different when just close, heating capillary and refrigerating capillary welds, is connected in parallel in the system to get final product.

When air-conditioning normally freezed, refrigerant was discharged from compressor, and stream is through condenser 4, second check valve 21 and refrigerating capillary 2, and the evaporimeter of flowing through is at last got back to compressor, finishes refrigeration.

When heating, refrigerant is discharged from compressor, the evaporimeter of flowing through, heats capillary 13 and the 3rd check valve 31, and the condenser of flowing through is at last got back to compressor, finishes heating.

The technique scheme that provides by the utility model, can realize that the imperial palace machine joins little outer machine, with the model of the factory of U.S. for example: the off-premises station of 120/105 air-conditioner 310 casings, the off-premises station of 85/90 air-conditioner 210 casings, the off-premises station of 70/61 air-conditioner is with 110 or 120 casings, the off-premises station of 50 air-conditioners 030 casing, the off-premises station of 35 air-conditioners 040 casing.

During the actual use of the utility model, used for indoor machine high speed winds shelves during refrigeration with middling speed wind shelves, suitably reduce the power that heats when heating, and the coefficient of performance that heats reduces very little or constant substantially.

Claims

1. the air conditioner of a high performance-price ratio, comprise end to end compressor, condenser (4), check valve and evaporimeter, it is characterized in that check valve is first check valve (11), this first check valve is installed with the direction opposite with conventional installation direction, refrigeration assisted capillary (12) is connected in parallel between the entrance point and the port of export of first check valve, heating capillary (13) one ends communicates with the entrance point of first check valve, its other end communicates with evaporimeter, and the port of export of first check valve communicates with condenser.

2. according to the air conditioner of the described high performance-price ratio of claim 1, it is long that the length ratio that it is characterized in that described refrigeration assisted capillary heats length capillaceous.

3. the air conditioner of a high performance-price ratio, comprise end to end compressor, condenser (4), check valve and evaporimeter, it is characterized in that check valve comprises second check valve (21) and the 3rd check valve (31), the port of export of second check valve and refrigerating capillary (2) one ends join, the entrance point of the 3rd check valve with heat capillary (13) one ends and join, this refrigerating capillary other end with heat after the capillary other end joins, communicate with compressor, after the port of export of the entrance point of second check valve and the 3rd check valve joins, communicate with condenser.

4. according to the air conditioner of the described high performance-price ratio of claim 3, it is characterized in that the length of described refrigerating capillary and heat length capillaceous close.