CN2916468Y - Fixed-frequency highly-efficient air conditioner with a compressor and a plurality of evaporators - Google Patents
Fixed-frequency highly-efficient air conditioner with a compressor and a plurality of evaporators Download PDFInfo
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- CN2916468Y CN2916468Y CN 200620060474 CN200620060474U CN2916468Y CN 2916468 Y CN2916468 Y CN 2916468Y CN 200620060474 CN200620060474 CN 200620060474 CN 200620060474 U CN200620060474 U CN 200620060474U CN 2916468 Y CN2916468 Y CN 2916468Y
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- air conditioner
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Abstract
The utility model discloses a multi-split air conditioner with the advantages of simple structure, small size, constant frequency and high efficiency, which comprises an outdoor unit, and two or more than two indoor units connected with the outdoor unit. A shell of the outdoor unit is provided with a compressor, a condenser connected with exhaust pipes of the compressor through pipelines, and a liquid storage tank connected with suction pipes of the compressor through the pipelines; the compressor is one of constant frequency; two or more than two indoor units are in parallel connection; the intake pipes of a heat exchanger of the indoor units are respectively connected with a restrictor; each restrictor is further connected with respective electromagnetic valve through the pipelines; all pipelines separately linked to the electromagnetic valves are connected on the condenser of the outdoor unit after gathering with the exhaust pipes. The utility model keeps itself in a state of highly efficient operation through the electromagnetic valve converting refrigeration space, avoids frequent startup as ordinary constant frequency multi-split air conditioners, and saves additional startup power consumption.
Description
Technical field
The utility model relates to a kind of air-conditioner, and particularly a kind of fixed multi-split air conditioner frequently can be applicable to split wall-hanging air conditioner, split-floor type air conditioner, split embedded air-conditioner, air duct blow type air-conditioner etc., belongs to air-conditioning manufacturing technology field.
Technical background
Along with the day of electric energy is becoming tight, economical air conditioner more and more comes into one's own, and each producer all coincidentally releases the novel energy-conserving product.The efficient that air-conditioner carries out power conversion has just determined the quality of its performance, weighs the core standard of household air-conditioner, is the Energy Efficiency Ratio of air-conditioner, and its computing formula is: the refrigerating capacity/input power under Energy Efficiency Ratio (EER)=air conditioner refrigerating operating mode.
Now the frequency conversion multi-split air conditioner, it is fixed that multi-split air conditioner is very common in market frequently, wherein, fixed multi-split air conditioner frequently is actually being placed in the casing of several outdoor system compactnesses, indoor heating system respectively independently.That is to say that corresponding outdoor system forms autonomous system in each indoor heating system and the outdoor casing, in fact is exactly that a plurality of systems work alone, and does not all have superiority from energy-conservation and aspect of performance.In addition, the disclosed multi-compressor varying capacity of Chinese patent CN03216159.X is the frequency multi-split air conditioner surely, it is with the invariable frequency compressor parallel connection more than 2 or 2, connecting with off-premises station parallel with one another more than 2 and 2 by relevant components and parts becomes a system, it does not in fact improve the Energy Efficiency Ratio of air-conditioner yet, does not save the manufacturing cost of multi-split air conditioner yet.
By adopting the frequency shift of frequency-changeable compressor, regulate compressor rotary speed when the frequency conversion multi-split air conditioner on the market is worked, change the refrigerant flow that circulates in the refrigeration system, regulate refrigerating capacity.Transducer air conditioning is energy-conservation often based on two kinds of reasons: the one, and after transducer air conditioning controlled to design temperature with room temperature, the unit long period was in the operation of low frequency (low speed) state, and the motor power consumption of this moment is low, so power saving; The 2nd, transducer air conditioning is in running, and unit is seldom shut down, and has avoided frequent starting as the common air-conditioning device, so save extra startup power consumption.
In fact, the characteristics of transducer air conditioning for the common air-conditioning device are with good conditionsi:
1. frequency-changeable compressor can reach higher Energy Efficiency Ratio under the condition of low frequency running, but under higher operating frequency, its Energy Efficiency Ratio even be lower than onesize invariable frequency compressor.Therefore, convertible frequency air-conditioner will reach the higher energy efficiency ratio, should select specified refrigerating capacity compressor bigger than normal.
2. frequency-changeable compressor must be used with adjustable restricting element, just can reach the purpose of regulating flow.Capillary belongs to the fixedly restricting element of damp type, during with the supporting use of frequency-changeable compressor, can only guarantee to reach best coupling at certain Frequency point, for higher or lower Frequency point, can't guarantee to cross normally the cold-peace degree of superheat, matching efficiency is low, and Energy Efficiency Ratio descends.
3. compressor will have bigger frequency-tuning range;
4. the power factor of convertible frequency air-conditioner can not be low excessively.Convertible frequency air-conditioner is owing to be subjected to the influence of frequency converter, Switching Power Supply, and power factor is generally low than fixed frequency air conditioner.Under the situation of no PFC (power factor regulator), the power factor of convertible frequency air-conditioner is generally about 0.7; Under the situation that increases passive PFC, generally can accomplish about 0.8 ~ 0.85; The high-grade frequency changer of small part is only arranged in the market, adopt active PFC, power factor can accomplish that more than 0.95, fixed frequency air conditioner generally can reach more than 0.98.
Have only and satisfied these conditions, the characteristic of " frequency conversion " just can play a role.At present, the convertible frequency air-conditioner on the market is mainly still based on AC frequency conversion, and AC frequency conversion air-conditioning does not more cheaply reach above condition, and the fixed frequency air conditioner device of the equal refrigerating capacity of its Energy Efficiency Ratio is also low.
The utility model content
The technical problem that the utility model patent solves is to overcome an existing fixed deficiency of dragging many air-conditioning technicals frequently, to the conversion of refrigeration space moved by magnetic valve the unit long period at concert pitch, avoided frequent starting as common fixed multi-split air conditioner frequently, save extra startup power consumption, reduced the cost of multi-split air conditioner simultaneously.
The realization the technical solution of the utility model is: a kind of fixed frequently efficient multi-split air conditioner, comprise an off-premises station and two or two above indoor sets linking to each other with off-premises station, be provided with compressor in the outdoor shell, the condenser that links to each other with compressor exhaust pipe by pipeline, the fluid reservoir that links to each other with the compressor return air pipe by pipeline, it is characterized in that: described compressor is an invariable frequency compressor, indoor set parallel connection more than two or two, the air inlet pipe of indoor set heat exchanger connects a flow controller separately, each flow controller is connected with separately refrigerant transfer valve by pipeline again, with be connected on the blast pipe of outdoor condenser after all pipelines that each refrigerant transfer valve is connected separately converge, so be connected on the fluid reservoir of off-premises station after pipeline that the blast pipe of indoor set heat exchanger is connected separately converges.Wherein the refrigerant transfer valve can adopt magnetic valve.
Adopt the frequently efficient surely multi-split air conditioner of the utility model, after room temperature controlled to design temperature, by the conversion of magnetic valve to refrigeration space, the unit long period is moved at concert pitch, after perhaps run timing control being carried out in a space,, moved the unit long period at concert pitch by the conversion of magnetic valve to refrigeration space, avoid frequent starting as common fixed multi-split air conditioner frequently, save extra startup power consumption.Can dwindle simultaneously existing multi-split air conditioner off-premises station volume, make things convenient for off-premises station installation, be convenient to maintenance.
The utility model can also overcome existing frequency conversion one and drag many air-conditionings can only guarantee to reach best coupling at certain Frequency point, for higher or lower Frequency point, can't guarantee to cross normally the cold-peace degree of superheat, and matching efficiency is low, the technical deficiency that Energy Efficiency Ratio descends.It utilizes the stable advantage of Performance Match, Energy Efficiency Ratio of the best of fixed frequency air conditioner, makes that indoor set is operated in efficiently, power save mode work down.
Description of drawings
With specific embodiment the frequently efficient surely multi-split air conditioner of the utility model is further described with reference to the accompanying drawings below.
Accompanying drawing 1 is fixed frequently efficient multi-split air conditioner structural representation.
The specific embodiment
As shown in Figure 1, the efficient multi-split air conditioner of frequency of deciding in the present embodiment comprises that an off-premises station and two are with ability or the close indoor set of ability, be provided with an invariable frequency compressor in the off-premises station, two indoor sets are parallel with one another, be located in the off-premises station condenser by pipeline link to each other with the invariable frequency compressor blast pipe, fluid reservoir links to each other with the invariable frequency compressor muffler by pipeline, the heat exchanger air inlet pipe that is located in the indoor set 1 connects flow controller 1, and flow controller 1 is connected with magnetic valve 1 by pipeline again; The heat exchanger air inlet pipe that is located in the indoor set 2 connects flow controller 2, flow controller 2 is connected with magnetic valve 2 by pipeline again, with be connected on the blast pipe of condenser after two pipelines that magnetic valve 1, magnetic valve 2 is connected separately converge, on the other hand, be connected on the fluid reservoir of off-premises station after two pipelines that are connected with the blast pipe of the blast pipe of indoor set 1 heat exchanger, indoor set 2 heat exchangers converge.Indoor set 1 and indoor set 2 have independently remote controller 1 and remote controller 2 respectively.Be provided with in the off-premises station with the signal of remote controller 1 and remote controller 2 wireless connections and handle and the outer control of distributor chamber system, certainly, this outdoor control system also can be integrated on the indoor control system.
After indoor set 1 or indoor set 2 received the starting of air conditioner signal that remote controller 1 or remote controller 2 send, indoor control system waited according to setting pattern, indoor temperature and design temperature and judges whether to move indoor fan, priming chamber external compression machine.As needs, then export the compressor start signal and give outdoor control system.If outdoor control system just receives indoor set 1 and sends the starting of air conditioner signal, then outdoor control system is opened the corresponding refrigerant switching solenoid valve of this indoor set according to this enabling signal and is started compressor after 1,3 minute.If outdoor control system receives the starting of air conditioner signal that indoor set 1 and off-premises station 2 send simultaneously, which indoor set is then outdoor control system decide preferential according to indoor temperature.Also can judge which indoor set is preferential, but the indoor fan of indoor set 1, indoor set 2 starts simultaneously by setting principal and subordinate's machine or other rules.The indoor heating system running that starts operation of air conditioner in the ban automatically switched to the another one system after N minute, and this moment, outdoor control system was according to preestablishing the time control model to two indoor sets control operation.For example, outdoor control system receives indoor set 1, indoor set 2 sends the starting of air conditioner signal simultaneously, if indoor set 1 starts earlier, magnetic valve 1 is opened, and moves after 20 minutes, and magnetic valve 2 is opened, and indoor set 2 starts, and rear electromagnetic valve 1 was closed in 2 minutes; After 20 minutes, magnetic valve 1 is opened, and indoor set 1 starts, and rear electromagnetic valve 2 was closed in 2 minutes, in this way circulation.When not receiving the stopping signal of indoor set 1 or indoor set 2, outdoor control system is according to preestablishing the time control model to two indoor sets control operation.Reach the purpose of two indoor sets of an invariable frequency compressor adapted like this by switching solenoid valve back and forth 1 and magnetic valve 2.
If when indoor set 1 stopped compressor according to indoor environment or user's needs, at this time outdoor control system can be controlled magnetic valve 1 according to the running status of another indoor set 2.If indoor set 2 do not have service requirement, compressor shutdown at this moment, magnetic valve 1 cuts out.If indoor set 2 has service requirement, at this moment compressor continues operation, and magnetic valve 2 opens, and magnetic valve 1 time-delay was closed in 2 minutes.
Be the control law example deciding the frequency multi-split air conditioner that realization has this function more than, this patent is not limited to above example.
Claims (2)
1. decide frequently efficient multi-split air conditioner for one kind, comprise an off-premises station and two or two above indoor sets linking to each other with off-premises station, be provided with compressor in the outdoor shell, the condenser that links to each other with compressor exhaust pipe by pipeline, the fluid reservoir that links to each other with the compressor return air pipe by pipeline, it is characterized in that: described compressor is an invariable frequency compressor, indoor set parallel connection more than two or two, the air inlet pipe of indoor set heat exchanger connects a flow controller separately, each flow controller is connected with separately refrigerant transfer valve by pipeline again, with be connected on the blast pipe of outdoor condenser after all pipelines that each refrigerant transfer valve is connected separately converge, and be connected on the fluid reservoir of off-premises station after all pipelines that the blast pipe of indoor set heat exchanger is connected separately converge.
2. fixed frequently efficient multi-split air conditioner according to claim 1, it is characterized in that: described refrigerant transfer valve is a magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620060474 CN2916468Y (en) | 2006-06-20 | 2006-06-20 | Fixed-frequency highly-efficient air conditioner with a compressor and a plurality of evaporators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620060474 CN2916468Y (en) | 2006-06-20 | 2006-06-20 | Fixed-frequency highly-efficient air conditioner with a compressor and a plurality of evaporators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2916468Y true CN2916468Y (en) | 2007-06-27 |
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ID=38187382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620060474 Expired - Fee Related CN2916468Y (en) | 2006-06-20 | 2006-06-20 | Fixed-frequency highly-efficient air conditioner with a compressor and a plurality of evaporators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2916468Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315658A (en) * | 2014-10-23 | 2015-01-28 | 广东美的暖通设备有限公司 | Air conditioning system control method and air conditioning system |
| CN104214893B (en) * | 2014-08-20 | 2017-02-15 | 芜湖美智空调设备有限公司 | Control method and control device of constant frequency multi-split air conditioner |
-
2006
- 2006-06-20 CN CN 200620060474 patent/CN2916468Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214893B (en) * | 2014-08-20 | 2017-02-15 | 芜湖美智空调设备有限公司 | Control method and control device of constant frequency multi-split air conditioner |
| CN104315658A (en) * | 2014-10-23 | 2015-01-28 | 广东美的暖通设备有限公司 | Air conditioning system control method and air conditioning system |
| CN104315658B (en) * | 2014-10-23 | 2017-02-15 | 广东美的暖通设备有限公司 | Air conditioning system control method and air conditioning system |
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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: 20070627 |