CN1690555A - Air-conditioner - Google Patents
Air-conditioner Download PDFInfo
- Publication number
- CN1690555A CN1690555A CNA2004100191240A CN200410019124A CN1690555A CN 1690555 A CN1690555 A CN 1690555A CN A2004100191240 A CNA2004100191240 A CN A2004100191240A CN 200410019124 A CN200410019124 A CN 200410019124A CN 1690555 A CN1690555 A CN 1690555A
- Authority
- CN
- China
- Prior art keywords
- refrigerant
- heat converter
- air conditioner
- indoor heat
- refrigerant pipe
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner comprising: a plurality of compressor; outdoor heat exchanger; expansion unit; indoor heat exchanger; and a switch mounted on the coolant pipe of indoor heat exchanger which can selectively switch the coolant pipes according the circular amount of coolant. The advantages of said invention include that a plurality of coolant pipes are mounted on the indoor heat exchanger, and only a part of them will be open when the circular amount of coolant is little to avoid the over vaporized phenomenon of coolant. In addition, the expansion unit is formed by several capillaries and ON/OFF electromagnetic valve which operates according the result of room sensor and it can reduce the cost when the control device of circular amount of coolant is simple.
Description
Technical field
What the present invention relates to is air conditioner, particularly be that indoor heat converter has a plurality of refrigerant pipes, according to the invention of the air conditioner of a plurality of refrigerant pipes of circular flow selective opening of refrigerant.
Background technology
As shown in Figure 1, in general, air conditioner mainly includes: be arranged at indoor and regulate the indoor set 100 of indoor temperature by the heat exchange action of room air and refrigerant; Be arranged at refrigerant outdoor and that indoor set 100 is discharged by refrigerant pipe 110 and return to previous status, be recycled to the off-premises station 120 in the indoor set 100.
The structure of above-mentioned prior art air conditioner is: indoor set 100 comprises: utilize the heat of evaporation of refrigerant that room air is carried out the indoor heat converter 102 that heat exchange generates cold air; Send the indoor blower 104 of room air to indoor heat converter 102 side-blowns.
Above-mentioned off-premises station 120 comprises: a plurality of compressors 122 that the refrigerant of evaporation in the indoor set 100 are compressed into HTHP; The refrigerant of compression in the compressor 122 and colder outdoor air are carried out heat exchange and condensing outdoor heat converter 124; Send the outdoor draft fan 126 of outdoor air to outdoor heat converter 124 side-blowns; When refrigerant condensing in the outdoor heat converter 124 is reduced pressure, be recycled to the electric expansion valve 128 of the indoor heat converter 102 of regulating cold medium flux.
Be provided with the sensor 112 in the house of perception indoor temperature in above-mentioned indoor set 100, make when indoor temperature approaches temperature that the user sets, that is, only some works in hour a plurality of compressors 122 when load.In addition, refrigerant temperature sensor A, the B that respectively is provided with the perception refrigerant temperature in the indoor heat converter 102 among the suction/discharge portion 102a/102b of refrigerant is 114,116, make when the detected value of refrigerant temperature sensor 114,116 differs very little electric expansion valve 128 will regulate the flow of refrigerant, a small amount of refrigerant is circulated in the indoor heat converter 102.
But in the air conditioner of prior art, electric expansion valve 128 reduces pressure to refrigerant, and regulates the circular flow of refrigerant according to the continuous conversion control of the sensing results of refrigerant temperature sensor 114,116, so its control structure is complicated.Simultaneously, the price of refrigerant temperature sensor 114,116 and electric expansion valve 128 is higher, when the refrigerant circular flow is too small under the effect of electric expansion valve 128, refrigerant evaporation in the indoor heat converter 102 is excessive, thereby room air can't be fully and refrigerant carry out heat exchange so that reduce the efficient of compressor.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, a kind of decompression of refrigerant, adjustment structure of flow simplified is provided, prevent the air conditioner of refrigerant pervaporation phenomenon.
The technical scheme that solves the problems of the technologies described above is: a kind of air conditioner mainly includes: a plurality of compressors of compression refrigerant; Be connected in a plurality of compressors, the outdoor heat converter that refrigerant and outdoor air are carried out heat exchange; Be connected in outdoor heat converter, regulate the bulge of the flow of refrigerant in the time of the expansion refrigerant; Be connected in bulge and a plurality of compressor, refrigerant pipe is divided into indoor heat converter a plurality of and that room air is carried out heat exchange by refrigerant in it, and the refrigerant pipe of indoor heat converter is provided with the opening and closing device that opens and closes a plurality of refrigerant pipes according to the circular flow selectivity of refrigerant.
The invention has the beneficial effects as follows: the indoor heat converter of air conditioner of the present invention is provided with a plurality of refrigerant pipes, when the circular flow of refrigerant hour, the part of refrigerant pipe in the open chamber heat exchanger, thus prevent the pervaporation phenomenon of refrigerant.Simultaneously, the bulge among the present invention is made of a plurality of capillaries and the magnetic valve of opening/close ON/OFF work.Magnetic valve is worked according to the sensing results of house sensor, in the simple while of the control structure that makes the refrigerant circular flow, reduces its expense.
Description of drawings
Fig. 1 is the structural representation of prior art air conditioner;
Fig. 2 is the scheme of installation of air conditioner of the present invention;
Fig. 3 is the structural representation of air conditioner of the present invention;
Fig. 4 is compressor for air conditioner of the present invention working state structure schematic diagram when minimum load.
The symbol description of＜drawing major part 〉
2,4: compressor 6: outdoor heat converter
10: bulge 12,14: capillary
16: valve 20: indoor heat converter
20A, 20B: refrigerant pipe 30: refrigerant pipe opening and closing device
The specific embodiment
The invention provides.A kind of air conditioner mainly includes: a plurality of compressors of compression refrigerant; Be connected in a plurality of compressors, the outdoor heat converter that refrigerant and outdoor air are carried out heat exchange; Be connected in outdoor heat converter, regulate the bulge of the flow of refrigerant in the time of the expansion refrigerant; Be connected in bulge and a plurality of compressor, refrigerant pipe is divided into indoor heat converter a plurality of and that room air is carried out heat exchange by refrigerant in it, and refrigerant pipe 20A, the 20B of indoor heat converter 20 is provided with the opening and closing device 30 that opens and closes a plurality of refrigerant pipe 20A, 20B according to the circular flow selectivity of refrigerant.
Refrigerant pipe 20A, the 20B of described indoor heat converter 20 and the mutual up and down cross arrangement of refrigerant pipe 20A, the 20B of the identical described indoor heat converter 20 of number of compressor 2,4.
Refrigerant pipe 20A, the 20B of described indoor heat converter 20 are that capacity is identical.
Refrigerant pipe 20A, the 20B of described indoor heat converter 20 are that capacity is different.
30 pairs of described refrigerant pipe opening and closing devices are same as a plurality of refrigerant pipes of a plurality of compressors (2), (4) workbench number and open.
Described refrigerant pipe opening and closing device is provided with 30 and is out/closes the magnetic valve that ON/OFF works, and this magnetic valve is arranged in a plurality of refrigerant pipe 20A, 20B one at least.
Described refrigerant pipe opening and closing device 30 is arranged at the refrigerant suction side of indoor heat converter 20.
Described bulge 10 includes: a plurality of capillaries 12,14; According to the workbench number of a plurality of compressors 2,4, the valve 16 of at least a portion in open a plurality of capillaries 12,14.
Described capillary 12,14 is identical with the number of compressor 2,4.
Described valve 16 for to open/close the magnetic valve of ON/OFF work.
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Air conditioner among the present invention mainly includes: off-premises station O and be connected in the indoor set I of off-premises station O by refrigerant pipe P.
Specifically, the air conditioner among the present invention includes: a plurality of compressors 2,4 of compression refrigerant; Be connected in a plurality of compressors 2,4, the outdoor heat converter 6 that refrigerant and outdoor air are carried out heat exchange; Be connected in outdoor heat converter 6, regulate the bulge 10 of cold medium flux in the time of the decompression refrigerant; Be connected in bulge 10 and a plurality of compressor 2,4, the indoor heat converter 20 that has a plurality of refrigerant pipe 20A, 20B in it and room air is carried out heat exchange by refrigerant; Be arranged among refrigerant pipe 20A, the 20B of indoor heat converter, open and close the refrigerant pipe opening and closing device 30 of a plurality of refrigerant pipe 20A, 20B according to the circular flow selectivity of refrigerant.
2 A, B compressor 2,4 that above-mentioned compressor 2,4 is had nothing in common with each other by compression volume constitute.Above-mentioned 2 compressors 2,4 are connected to the house sensor 1 that is used for the perception indoor temperature, testing result according to house sensor 1, when indoor temperature approaches the temperature of user's setting, have only the bigger A compressor 2 of relative capacity to work in 2 compressors 2,4, the less B compressor 4 of relative capacity then quits work.In addition, refrigerant suction side 2i in compressor 2,4,4i is provided with liquid reserve tank 3, is used for storing the liquid refrigerant of refrigerant from indoor heat converter 20 evaporations.
Above-mentioned bulge 10 includes: by a plurality of capillaries 12,14 of capillarity decompression refrigerant; According to the workbench number of a plurality of compressors 2,4, the valve 16 of a part with the circular flow of adjusting refrigerant will be opened at least in a plurality of capillaries 12,14.
Above-mentioned capillary 12,14 and above-mentioned compressor 2,4 are identical to have 2 A, B capillary 12,14 to constitute, valve 16 is a magnetic valve, be arranged at any one in 2 capillaries 12,14, for example be arranged in the A capillary 12, when 2 compressors 2,4 were all worked, valve 16 was for opening ON state and open A capillary 12; When having only A compressor 2 work, 16 on valve is for closing the OFF state and sealing A capillary 12.
Refrigerant pipe 20A, the 20B of above-mentioned indoor heat converter and compressor 2,4 are identical to have 2 A, B refrigerant pipe 20A, 20B to constitute, be capacity corresponding to compressor 2,4, according to the workbench number of compressor 2,4, will open the pipeline of same number among refrigerant pipe 20A, the 20B of indoor heat converter.
Promptly, being flowing between bulge 10 and the indoor heat converter 20 of refrigerant is divided into 2 parts, each carries out heat exchange with room air to refrigerant in A, B refrigerant pipe 20A, 20B, and the refrigerant that evaporates in A, B refrigerant pipe 20A, 20B will polymerization again between indoor heat converter 20 and liquid reserve tank 3.At this moment, indoor heat converter 20 just is divided into refrigerant pipe 20A, 20B two parts, and the whole volume of indoor heat converter 20 is then constant.Simultaneously, any one among refrigerant pipe 20A, the 20B of indoor heat converter 20, for example A refrigerant pipe 20A will be closed when 2 work of A compressor.
The capacity of above-mentioned A, B refrigerant pipe 20A, 20B can be identical, and perhaps corresponding to the different setting of capacity ratio of A, B compressor 2,4, that is, the capacity of above-mentioned A refrigerant pipe 20A is relatively less than B refrigerant pipe 20B.
Above-mentioned A, B refrigerant pipe 20A, 20B close and only under the situation of open B refrigerant pipe 20B at A refrigerant pipe 20A, and refrigerant and room air carry out the cross arrangement mutually of heat exchange uniformly comprehensively in the indoor heat converter 20 in order to make.
Above-mentioned refrigerant pipe opening and closing device 30 is made of magnetic valve, and be arranged at least on the part among indoor heat converter refrigerant pipe 20A, the 20B, for example be arranged on the A refrigerant pipe 20A, when 2 compressors 2,4 were all worked, the magnetic valve of opening and closing device was for opening the open A refrigerant of ON state pipe 20A; When having only 2 work of A compressor, then magnetic valve is for cutting out OFF state sealing A refrigerant pipe 20A.
Wherein, above-mentioned refrigerant pipe opening and closing device 30 will be arranged at the refrigerant suction side of indoor heat converter, promptly among the refrigerant suction side 20i of A refrigerant pipe.
As above the operation principle of the present invention of structure is with as follows.
When the user sets indoor preferred temperature and drives air conditioner, the heat of evaporation of room air by refrigerant in the indoor heat converter 20 obtains cooling and carries out room temperature lowering, the refrigerant of evaporation will return to previous status by compressor 2,4, outdoor heat converter 6, bulge 10 in the indoor heat converter 20, and be circulated again in the indoor heat converter 20.
At this moment, as shown in Figure 3, because indoor temperature and user's preferred temperature differs bigger, and above-mentioned 2 compressors 2,4 will all be worked, A, B capillary 12,14 and A, B refrigerant pipe 20A, 20B also will open simultaneously during the air conditioner initialization.
When approaching user's preferred temperature along with indoor temperature, as shown in Figure 4, the B compressor 4 in above-mentioned 2 compressors 2,4 will quit work, and when closing A capillary 12 by valve 16, close A refrigerant pipe 20A by refrigerant pipe opening and closing device 30.Thus, only compression in A compressor 2 of refrigerant, and by 14 decompressions of B capillary, in indoor heat converter 20, flow along B refrigerant pipe 20B subsequently.
At this moment, close A capillary 12 in the above-mentioned bulge 10 and only open B capillary 14, thereby the circular flow of refrigerant is adjusted on a small quantity.In indoor heat converter 20, close A refrigerant pipe 20A and only open B refrigerant pipe 20B, thus the working range of indoor heat converter 20 dwindle, and then prevent the pervaporation of refrigerant.
And start working when above-mentioned A compressor 2, when promptly 2 compressors 2,4 are all worked, above-mentioned A, B capillary 12,14 and A, B refrigerant pipe 20A, 20B will open.
Claims (11)
1. an air conditioner mainly includes: a plurality of compressors of compression refrigerant; Be connected in a plurality of compressors, the outdoor heat converter that refrigerant and outdoor air are carried out heat exchange; Be connected in outdoor heat converter, regulate the bulge of the flow of refrigerant in the time of the expansion refrigerant; Be connected in bulge and a plurality of compressor, in it refrigerant pipe be divided into a plurality of and by refrigerant to the indoor heat converter that room air carries out heat exchange, it is characterized in that refrigerant pipe (20A), (20B) of indoor heat converter (20) is provided with the opening and closing device (30) that opens and closes a plurality of refrigerant pipes (20A), (20B) according to the circular flow selectivity of refrigerant.
2. according to the air conditioner described in the claim 1,, it is characterized in that the refrigerant pipe (20A) of described indoor heat converter (20), (20B) are identical with the number of compressor (2), (4).
3. according to the air conditioner described in the claim 2,, it is characterized in that refrigerant pipe (20A), (20B) cross arrangement mutually up and down of described indoor heat converter (20).
4. according to the described air conditioner of claim 1 to 3,, it is characterized in that the refrigerant pipe (20A) of described indoor heat converter (20), (20B) capacity are identical.
5. according to the described air conditioner of claim 1 to 3,, it is characterized in that the refrigerant pipe (20A) of described indoor heat converter (20), (20B) are different for capacity.
6. according to the air conditioner described in the claim 1,, it is characterized in that described refrigerant pipe opening and closing device (30) is open to a plurality of refrigerant pipes that are same as a plurality of compressors (2), (4) workbench number.
7. according to the air conditioner described in the claim 6, it is characterized in that described refrigerant pipe opening and closing device is provided with the magnetic valve that (30) are out/close ON/OFF work, this magnetic valve is arranged in a plurality of refrigerant pipes (20A), (20B) one at least.
8. according to the air conditioner described in the claim 6, it is characterized in that described refrigerant pipe opening and closing device (30) is arranged at the refrigerant suction side of indoor heat converter (20).
9. according to the air conditioner described in the claim 1, it is characterized in that described bulge (10) includes: a plurality of capillaries (12), (14); According to the workbench number of a plurality of compressors (2), (4), the valve (16) of at least a portion in open a plurality of capillaries (12), (14).
10. according to the air conditioner described in the claim 9, it is characterized in that described capillary (12), (14) are identical with the number of compressor (2), (4).
11. according to the air conditioner described in claim 9 or 10, it is characterized in that described valve (16) for to open/close the magnetic valve of ON/OFF work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100191240A CN1690555A (en) | 2004-04-30 | 2004-04-30 | Air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100191240A CN1690555A (en) | 2004-04-30 | 2004-04-30 | Air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1690555A true CN1690555A (en) | 2005-11-02 |
Family
ID=35346181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100191240A Pending CN1690555A (en) | 2004-04-30 | 2004-04-30 | Air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1690555A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009097784A1 (en) * | 2008-02-03 | 2009-08-13 | Jun Zhao | Direct cold air conditioner |
| CN103528165A (en) * | 2013-10-15 | 2014-01-22 | 美的集团股份有限公司 | Air conditioner and control method thereof |
| EP2916087A1 (en) * | 2013-12-17 | 2015-09-09 | Lennox Industries Inc. | Managing high pressure events in air conditioners |
| CN103528165B (en) * | 2013-10-15 | 2016-11-30 | 美的集团股份有限公司 | Air-conditioner and control method thereof |
| CN107202460A (en) * | 2017-06-22 | 2017-09-26 | 广东美的暖通设备有限公司 | Air conditioner and its control method, device and computer-readable recording medium |
-
2004
- 2004-04-30 CN CNA2004100191240A patent/CN1690555A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009097784A1 (en) * | 2008-02-03 | 2009-08-13 | Jun Zhao | Direct cold air conditioner |
| CN103528165A (en) * | 2013-10-15 | 2014-01-22 | 美的集团股份有限公司 | Air conditioner and control method thereof |
| CN103528165B (en) * | 2013-10-15 | 2016-11-30 | 美的集团股份有限公司 | Air-conditioner and control method thereof |
| EP2916087A1 (en) * | 2013-12-17 | 2015-09-09 | Lennox Industries Inc. | Managing high pressure events in air conditioners |
| EP3457053A1 (en) * | 2013-12-17 | 2019-03-20 | Lennox Industries Inc. | Managing high pressure events in air conditioners |
| US10408516B2 (en) | 2013-12-17 | 2019-09-10 | Lennox Industries Inc. | Managing high pressure events in air conditioners |
| CN107202460A (en) * | 2017-06-22 | 2017-09-26 | 广东美的暖通设备有限公司 | Air conditioner and its control method, device and computer-readable recording medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1519514A (en) | Strong dehumidification operation of air conditioner | |
| CN1519515A (en) | Energy saving dehumidification method of air conditioner | |
| CN1614325A (en) | Method for controlling operation of air-conditioner | |
| CN1519513A (en) | Health dehumidification operation of air conditioner | |
| EP1703230A3 (en) | Multi type air-conditioner and control method thereof | |
| CN1862130A (en) | Controlling method of safety stop of air conditioner | |
| AU2006250519A1 (en) | Air conditioning system | |
| CN1621758A (en) | Air conditioner | |
| CN1789846A (en) | Air conditioning device | |
| CN1769804A (en) | Air conditioner | |
| CN100347490C (en) | Multi-stage operation type air conditioner and operating method thereof | |
| CN1181297C (en) | Air conditioner | |
| CN1244782C (en) | Air conditioner and control method | |
| CN1811290A (en) | Capacity-variable air conditioner | |
| CN1808020A (en) | Heat pump air conditioner | |
| CN1782575A (en) | Device and method for controlling cold medium leakage of pipe fitting of one dragging more air conditioner | |
| CN1776307A (en) | Air conditioner and its operation controlling method | |
| CN1273783C (en) | Multichamber type air conditioner | |
| CN1912487A (en) | Driving controlling apparatus for air conditioner having plural compressors and method thereof | |
| CN1690555A (en) | Air-conditioner | |
| CN1912486A (en) | Driving controlling apparatus for air conditioner having plural compressors and method thereof | |
| CN1523312A (en) | Multi-type air conditioner and method for controlling operation of the same | |
| CN2687551Y (en) | Air conditioner | |
| CN1811294A (en) | Sub air conditioner heating starting and controlling method for concatenate air conditioner | |
| CN1124447C (en) | Air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |