CN201715659U - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN201715659U CN201715659U CN2010202503229U CN201020250322U CN201715659U CN 201715659 U CN201715659 U CN 201715659U CN 2010202503229 U CN2010202503229 U CN 2010202503229U CN 201020250322 U CN201020250322 U CN 201020250322U CN 201715659 U CN201715659 U CN 201715659U
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- Prior art keywords
- capillary
- heat exchanger
- interface
- frequency
- throttle mechanism
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- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000020169 heat generation Effects 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 17
- 238000004378 air conditioning Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model relates to an air conditioner, which comprises an outdoor heat exchanger, a four-way valve, a compressor, an indoor heat exchanger and a throttle mechanism, wherein the throttle mechanism is connected in series between the outdoor heat exchanger and the indoor heat exchanger. The utility model is characterized in that more than two gears with different flow rates capable of being switched according to different circulation modes and operation frequencies of the compressor are arranged in the throttle mechanism, the throttle mechanism comprises a three-way valve, a first interface of the three-way valve is communicated with one end of the outdoor heat exchanger, a second interface of the three-way valve is communicated with one end of a first capillary pipe, a third interface of the three-way valve is communicated with one end of a second capillary pipe, the other end of the first capillary pipe is communicated with one end of the indoor heat exchanger after being connected in parallel with the other end of the second capillary end, and the flow rate of the first capillary pipe is smaller than that of the second capillary pipe. The utility model has the characteristics of flexible operation, low manufacture cost and wide application range, can effectively improve the efficiency of the air conditioner, and can also improve the maximum operation capability and the low-temperature heat generation capability of the air conditioner at the same time.
Description
Technical field
The utility model relates to a kind of air-conditioner.
Background technology
Convertible frequency air-conditioner can be to regulate running frequency within the specific limits along with the variation of load, to change fan-out capability.Reach fast-refrigerating during high-frequency or heat, reduce output during low frequency, to reach energy-conservation purpose.But, common convertible frequency air-conditioner, if employing capillary-compensated, then because refrigerating capillary flow and heat the fixing of capillary flow, make this common convertible frequency air-conditioner when freezing or heating, can only when certain frequency operation, Energy Efficiency Ratio reach optimum, efficiency is not an optimum state when other frequency operations, and showing is exactly that SEER, HSPF and APF are not high.Simultaneously,, when common convertible frequency air-conditioner moves to high frequency, situations such as delivery temperature protection under a lot of operating modes, occur, make common convertible frequency air-conditioner can not keep high frequency operation, the purpose that can not reach fast-refrigerating or heat through regular meeting because the capillary flow is fixing.
For addressing these problems; the high-end convertible frequency air-conditioner in existing market top begins to adopt the electric expansion valve throttling, can improve efficiency like this, also can effectively avoid situation appearance such as delivery temperature protection; but the electronic expansion valve module is more expensive, and it is more to cause the air-conditioning cost to increase.
The constant speed air-conditioning generally adopts capillary-compensated, but because the capillary flow is fixed, situations such as exhaust protection can occur under the bad working environments of being everlasting, and is lower at the worst cold case heating capacity, and the air-conditioning blowing is cool, causes that client is discontented.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, flexible operation, cost of manufacture is low, Energy Efficiency Ratio is high, applied widely air-conditioner, to overcome weak point of the prior art.
A kind of air-conditioner by this purpose design, comprise outdoor heat exchanger, cross valve, compressor, indoor heat exchanger and throttle mechanism, throttle mechanism is serially connected between outdoor heat exchanger and the indoor heat exchanger, and its architectural feature is to be provided with two gears that above flow varies in size that switch according to the different circulation patterns and the running frequency of compressor in the throttle mechanism.
Described throttle mechanism comprises triple valve, first interface of this triple valve communicates with an end of outdoor heat exchanger, second interface of triple valve communicates with first end capillaceous, the 3rd interface of triple valve communicates with second end capillaceous, communicates with an end of indoor heat exchanger after first other end capillaceous and second other end parallel connection capillaceous; First flow capillaceous＜second flow capillaceous.
Described throttle mechanism comprises four access valve, first interface of this four access valve communicates with an end of outdoor heat exchanger, second interface of four access valve communicates with the 4th end capillaceous, the 3rd interface of four access valve communicates with the 5th end capillaceous, the 4th interface of four access valve communicates with the 6th end capillaceous, communicates with an end of indoor heat exchanger after the 4th other end capillaceous, the 5th other end capillaceous and the 6th other end parallel connection capillaceous; The 6th flow capillaceous＞5th flow capillaceous＞the 4th flow capillaceous.
Described throttle mechanism also comprises three capillary, and this three capillary is serially connected between the end of first interface of four access valve and outdoor heat exchanger.
The utility model is owing to adopted the capillary of two above different flows, can select to connect the capillary of different flow by triple valve or four access valve etc. according to system requirements: when low frequency, select the less capillary of flow, select the bigger capillary of flow during high frequency, thereby effectively improve efficiency and the ability that air-conditioner operates in each frequency.
The utlity model has simple and reasonable, flexible operation, cost of manufacture is low and advantage of wide range of application, can effectively improve the efficiency of air-conditioner, also can improve the maximum service ability and the low-temperature heating ability of air-conditioner simultaneously.
Description of drawings
Fig. 1 is the utility model first example structure schematic diagram.
Fig. 2 is the control flow block diagram of the utility model first embodiment.
Fig. 3 is the utility model second example structure schematic diagram.
Fig. 4 is the control flow block diagram of the utility model second embodiment.
Among the figure: 1 is outdoor heat exchanger, and 2 is cross valve, and 3 is compressor, 4 is indoor heat exchanger, 5 is throttle mechanism, and 51 is triple valve, and 52 is first capillary, 53 is second capillary, 54 is three capillary, and 55 is the 4th capillary, and 56 is the 5th capillary, 57 is the 6th capillary, and 58 is four access valve.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 1-Fig. 2, this air-conditioner, comprise outdoor heat exchanger 1, cross valve 2, compressor 3, indoor heat exchanger 4 and throttle mechanism 5, this throttle mechanism 5 is serially connected between outdoor heat exchanger 1 and the indoor heat exchanger 4, and each several part is in turn connected to form the closed circuit of cold-producing medium.Be provided with two gears that above flow varies in size that switch according to the different circulation patterns and the running frequency of compressor 3 in the throttle mechanism 5.
The refrigeration frequency F1=55 of default compressor 1 in the kind of refrigeration cycle of air-conditioner, what heat default compressor 1 in the circulation heats frequency F2=60, according to reality debugging situation, refrigeration frequency F1 and heat that frequency F2 can select in the scope of 4～130Hz.
When air-conditioner moves, comprise the steps:
The first step detects the operational mode of air-conditioner and the running frequency f of compressor 1, if be kind of refrigeration cycle, then enters for second step; If, then entered for the 5th step for heating circulation,
In second step, compare running frequency f and refrigeration frequency 55, if running frequency f 〉=refrigeration frequency 55 then entered for the 3rd step; If running frequency f＜refrigeration frequency 55 then entered for the 4th step,
The 3rd step, too not high because compressor frequency is higher in order to guarantee air-conditioning system pressure, at this moment select the second big capillary 53 of flow to carry out conducting by switch three-way valve 51,
The 4th step had certain degree of superheat in order to guarantee air-conditioning system, prevented the generation of compressor liquid hit phenomenon, simultaneously in order to improve the Energy Efficiency Ratio of air-conditioner when the low-frequency operation, at this moment selected the first little capillary 52 of flows to carry out conducting by switch three-way valve 51,
The 5th step, compare running frequency f and heat frequency 60, if running frequency f 〉=heat frequency 60, then entered for the 6th step; If running frequency f＜heat frequency 60 then entered for the 7th step,
The 6th step, select the second big capillary 53 of flow to carry out conducting by switch three-way valve 51,
The 7th step was circulated throughout temperature in order to guarantee that air-conditioning system heats, and prevented the generation of compressor liquid hit phenomenon, in order to improve the Energy Efficiency Ratio of air-conditioner when the low-frequency operation, at this moment selected the first little capillary 52 of flows to carry out conducting by switch three-way valve 51 simultaneously.
Second embodiment
Referring to Fig. 3-Fig. 4, throttle mechanism 5 comprises four access valve 58, first interface of this four access valve 58 communicates with an end of outdoor heat exchanger 1, second interface of four access valve 58 communicates with an end of the 4th capillary 55, the 3rd interface of four access valve 58 communicates with an end of the 5th capillary 56, the 4th interface of four access valve 58 communicates with an end of the 6th capillary 57, communicates with an end of indoor heat exchanger 4 after the other end parallel connection of the other end of the other end of the 4th capillary 55, the 5th capillary 56 and the 6th capillary 57; The flow of the flow of the flow of the 6th capillary 57＞the 5th capillary 56＞the 4th capillary 55.The 6th capillary in the present embodiment is a straight pipe.
The specification of the 4th capillary 55 is Φ 2.1*500mm, and the specification of the 5th capillary 56 is Φ 2.1*300mm.
Be serially connected with three capillary 54 between first interface of four access valve 58 and the end of outdoor heat exchanger 1.The specification of three capillary 54 is Φ 2.1*700mm.
The refrigeration frequency F1=70 and the F2=40 of default compressor 1 in the kind of refrigeration cycle of air-conditioner, what heat default compressor 1 in the circulation heats frequency F3=75 and F4=45.Refrigeration frequency F1 and F2 and heat frequency F3 and F4 can debug situation according to reality selects between 4～130Hz, kind of refrigeration cycle wherein, F1＞F2; Heat circulation, F3＞F4.
When air-conditioner moves, comprise the steps:
The first step detects the operational mode of air-conditioner and the running frequency f of compressor 1, if be kind of refrigeration cycle, then enters for second step; If, then entered for the 6th step for heating circulation,
In second step, compare running frequency f and refrigeration frequency F1 and F2, if running frequency f 〉=refrigeration frequency F1 then entered for the 3rd step; If refrigeration frequency F2≤running frequency f＜refrigeration frequency F1 then entered for the 4th step; If running frequency f＜refrigeration frequency F2 then entered for the 5th step,
The 3rd step, too not high because compressor frequency is higher in order to guarantee air-conditioning system pressure, at this moment select the 6th capillary 57 of flow maximum to insert and conducting by switching four access valve 58,
The 4th step, select the 5th moderate capillary 56 of flow to insert and conducting by switching four access valve 58,
The 5th step, in order to guarantee that air-conditioning system has certain degree of superheat, prevent the generation of compressor liquid hit phenomenon, simultaneously in order to improve the Energy Efficiency Ratio of air-conditioner when the low-frequency operation, at this moment select the 4th capillary 55 of flow minimum to insert and conducting by switching four access valve 58
The 6th step, compare running frequency f and heat frequency F3 and F4, if running frequency f 〉=heat frequency F3, then entered for the 7th step; If heat frequency F4≤running frequency f＜heat frequency F3, then entered for the 8th step; If running frequency f＜heat frequency F4 then entered for the 9th step,
The 7th step, too not high because compressor frequency is higher in order to guarantee air-conditioning system pressure, at this moment select the 6th capillary 57 of flow maximum to insert and conducting by switching four access valve 58,
The 8th step, select the 5th moderate capillary 56 of flow to insert and conducting by switching four access valve 58,
The 9th step, in order to guarantee that air-conditioning system has certain degree of superheat, prevent the generation of compressor liquid hit phenomenon, simultaneously, at this moment select the 4th capillary 55 of flow minimums to insert and conductings by switching four access valve 58 in order to improve the Energy Efficiency Ratio of air-conditioner when the low-frequency operation.
More than be preferred implementation of the present utility model, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim institute restricted portion.
Claims (4)
1. air-conditioner, comprise outdoor heat exchanger (1), cross valve (2), compressor (3), indoor heat exchanger (4) and throttle mechanism (5), throttle mechanism (5) is serially connected between outdoor heat exchanger (1) and the indoor heat exchanger (4), it is characterized in that being provided with in the throttle mechanism (5) two gears that above flow varies in size that switch according to the different circulation patterns and the running frequency of compressor (3).
2. air-conditioner according to claim 1, it is characterized in that described throttle mechanism (5) comprises triple valve (51), first interface of this triple valve (51) communicates with an end of outdoor heat exchanger (1), second interface of triple valve (51) communicates with an end of first capillary (52), the 3rd interface of triple valve (51) communicates with an end of second capillary (53), end with indoor heat exchanger (4) after the other end parallel connection of the other end of first capillary (52) and second capillary (53) communicates, the flow of the flow of first capillary (52)＜second capillary (53).
3. air-conditioner according to claim 1, it is characterized in that described throttle mechanism (5) comprises four access valve (58), first interface of this four access valve (58) communicates with an end of outdoor heat exchanger (1), second interface of four access valve (58) communicates with an end of the 4th capillary (55), the 3rd interface of four access valve (58) communicates with an end of the 5th capillary (56), the 4th interface of four access valve (58) communicates with an end of the 6th capillary (57), the other end of the 4th capillary (55), end with indoor heat exchanger (4) after the other end parallel connection of the other end of the 5th capillary (56) and the 6th capillary (57) communicates; The flow of the flow of the flow of the 6th capillary (57)＞the 5th capillary (56)＞the 4th capillary (55).
4. according to claim 2 or 3 described air-conditioners, it is characterized in that described throttle mechanism (5) also comprises three capillary (54), this three capillary (54) is serially connected between the end of first interface of four access valve (58) and outdoor heat exchanger (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202503229U CN201715659U (en) | 2010-06-30 | 2010-06-30 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202503229U CN201715659U (en) | 2010-06-30 | 2010-06-30 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201715659U true CN201715659U (en) | 2011-01-19 |
Family
ID=43461663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202503229U Expired - Fee Related CN201715659U (en) | 2010-06-30 | 2010-06-30 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201715659U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865521A (en) * | 2010-06-30 | 2010-10-20 | 广东美的电器股份有限公司 | Air conditioner and control method thereof |
| CN102331040A (en) * | 2011-08-05 | 2012-01-25 | 海尔集团公司 | Freon-free direct-current frequency conversion air conditioner and control method |
| CN105627686A (en) * | 2014-11-28 | 2016-06-01 | 青岛海尔智能技术研发有限公司 | Refrigeration control method for refrigerating plant |
| CN108592465A (en) * | 2018-05-16 | 2018-09-28 | 广东美的制冷设备有限公司 | Superpressure flow-stop valve, throttling set and air conditioner |
-
2010
- 2010-06-30 CN CN2010202503229U patent/CN201715659U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865521A (en) * | 2010-06-30 | 2010-10-20 | 广东美的电器股份有限公司 | Air conditioner and control method thereof |
| CN102331040A (en) * | 2011-08-05 | 2012-01-25 | 海尔集团公司 | Freon-free direct-current frequency conversion air conditioner and control method |
| CN102331040B (en) * | 2011-08-05 | 2013-08-07 | 海尔集团公司 | Freon-free direct-current frequency conversion air conditioner and control method |
| CN105627686A (en) * | 2014-11-28 | 2016-06-01 | 青岛海尔智能技术研发有限公司 | Refrigeration control method for refrigerating plant |
| CN108592465A (en) * | 2018-05-16 | 2018-09-28 | 广东美的制冷设备有限公司 | Superpressure flow-stop valve, throttling set and air conditioner |
| CN108592465B (en) * | 2018-05-16 | 2023-09-22 | 广东美的制冷设备有限公司 | Overpressure stop valve, throttling device and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Handan Midea Refrigeration Equipment Co., Ltd. Assignor: Meidi Electric Appliances Co., Ltd., Guangdong Contract record no.: 2013440000148 Denomination of utility model: Air conditioner Granted publication date: 20110119 License type: Exclusive License Record date: 20130502 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20130630 |