CN2656675Y - Control mechanism under condition of compressor parallel connection - Google Patents
Control mechanism under condition of compressor parallel connection Download PDFInfo
- Publication number
- CN2656675Y CN2656675Y CN 200320117612 CN200320117612U CN2656675Y CN 2656675 Y CN2656675 Y CN 2656675Y CN 200320117612 CN200320117612 CN 200320117612 CN 200320117612 U CN200320117612 U CN 200320117612U CN 2656675 Y CN2656675 Y CN 2656675Y
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- compressor
- compressors
- pipeline
- parallel
- solenoid valve
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Abstract
A compressor control mechanism in parallel state comprises a rotary inverter compressor and a fixed speed compressor whose air return ends are inserted into the low pressure liquid storage tank, a check valve and an exhaust temperature wrap which are provided on the parallel pipeline of the air exhaust ends, and an oil separator between the check valve and the four-way valve which is communicated with the four-way valve. An oil balance pipeline and two control solenoid valves SV<1> and SV<2> on both ends of the oil balance pipeline are provided between two compressors, and an air balance pipeline and two control solenoid valves SV<3> and SV<4> on both ends of the air balance pipeline are provided if necessary. The fixed speed compressor is connected with a relief starting pipeline of the fixed speed compressor and a solenoid valve SV<5> in series. The utility model has the advantages of simple structure, convenient operation and various operating manners; the utility model can not only provide the proposal for solving the technical problems of double-rotor compressor in parallel, but also provide the approaches of multi-rotor compressor in parallel; the utility model effectively solves the technical difficulties of that the rotary compressors are applied to the mini-type central air conditioners for households or special occasions.
Description
Technical field
The utility model relates to the control mechanism of a kind of compressor under state in parallel, refers in particular to the oil under a kind of a plurality of compressor parallel states that adopt in aircondition, the Balance Control mechanism in the gas equalizing line.
Background technique
The appearance of existing commercially available small-sized household central air conditioning plant makes multi-compressor parallel running technology obtain using widely.Operate to example (can by that analogy) with wherein double-compressor parallel, utilize scroll compressor and realize that the Balance Control technology in oil, the gas equalizing line is ripe, but this control technique is only applicable to the scroll compressor parallel connection, to rising gradually and having the rotor-type compressor of gesture of alternative scroll compressor inapplicable.Because the rotor compressor price is lower, a large amount of uses in aircondition; More less because of the monomer capable of rotor-type compressor, adopt the aircondition that is combined into after two above rotor-type compressor parallel connections the complete machine refrigeration output also less, therefore do you can satisfy specific occasion such as family expenses and use, but how realize the oil between rotor-type compressor after the parallel connection, the Balance Control in the gas equalizing line?
Summary of the invention
The purpose of this utility model provides a kind of Balance Control mechanism in oil, the gas equalizing line between the rotor-type compressor of back in parallel that realizes.
Designed the control mechanism of a kind of rotor-type compressor under state in parallel according to above-mentioned purpose, comprise two compressors, the air return end of compressor all feeds low-pressure liquid storing tank, the parallel pipeline of exhaust end is provided with one-way valve and exhaust bulb, between one-way valve and four-way valve, be provided with the oil separator that is communicated with four-way valve, in described two compressors, one is the rotator type frequency-changeable compressor, and one is the rotator type constant speed compressor.Be provided with the oil balance tube road between two compressors, the oil balance tube road is arranged on two solenoid valve SV of serial connection mutually
1, SV
2Between, solenoid valve is connected with compressor.Also be provided with the gas equalizing line between two compressors, the gas equalizing line is arranged on two solenoid valve SV of serial connection mutually
3, SV
4Between, solenoid valve is connected with compressor.At the two ends of constant speed compressor and the solenoid valve SV that is connected to constant speed compressor unloading primer liner and is connected in series with this pipeline
5
The utility model is simple in structure, enforcement is convenient, mode of execution is various, the scheme that solves the technical problem that the dual-rotator compressor parallel connection need overcome both was provided, for the parallel connection of many rotor-type compressors provides approach, efficiently solve rotor-type compressor and in the small central air conditioning device of family expenses or specific occasion use, use the technical barrier that is faced again.
Description of drawings
Accompanying drawing 1 is the utility model embodiment one a component connecting relation schematic representation; Accompanying drawing 2 is operation program block diagrams of embodiment one; Accompanying drawing 3 is component connecting relation schematic representation of the utility model embodiment two; Accompanying drawing 4 is operation program block diagrams of embodiment two; Accompanying drawing 5 is component connecting relation schematic representation of the utility model embodiment three; Accompanying drawing 6 is operation program block diagrams of embodiment three.
Specific embodiments
Accompanying drawing 1,3,5 has provided the signal of using each component annexation in the outdoor unit of air conditioner of the present utility model.As shown in Figure 1, enter low-pressure liquid storing tank 11 from the cold media air of indoor set after by four-way valve 1 in embodiment one, by the sucked back compressor of muffler, illustrated compressor has two again, and one is that 4, one of frequency-changeable compressors are constant speed compressors 5.Be connected with oil balance tube road 6 between two compressors, this oil balance tube road is positioned at solenoid valve SV
1With SV
2Between; Also be connected with gas equalizing line 7 between two compressors, this gas equalizing line is positioned at solenoid valve SV
3With SV
4Between.On the outlet pipe of frequency-changeable compressor, be provided with exhaust bulb 3, be connected with one-way valve 10, be parallel with solenoid valve SV at the two ends that flow back to of constant speed compressor at the exhaust end of constant speed compressor
5With constant speed compressor unloading primer liner 8, this solenoid valve and primer liner are connected mutually and solenoid valve is positioned at exhaust end.There is pipeline to communicate between the tail end of one-way valve and oil separator 2, pipeline connection between the head end of oil separator and four-way valve; Also be communicated with an end of capillary tube 9 with pipeline between the four-way valve at head end, this other end capillaceous is communicated with the muffler of constant speed compressor; Its tail end is connected with filter screen 13, the capillary tube 12 of connecting successively mutually by pipeline, and the other end capillaceous connects the pipeline that can arrive between four-way and low-pressure liquid storing tank.
From above-mentioned explanation to Fig. 1 as seen, design has oil, gas equalizing line between two rotor-type compressors, controls and realize gas and oil equilibration between two compressors by the switch electromagnetic valve in this pipeline, guarantees the safe and reliable of operation.Design is useful on the constant speed rotor-type compressor unloading that guarantees clean boot and starts the loop between the outlet pipe of constant speed rotor-type compressor and muffler.In start-up course, by controlling the clean boot of opening, stop realizing two rotor-type compressors that oil, gas equalizing line and unloading start the solenoid valve in the loop, concrete start-up course is referring to Fig. 2.
Fig. 3 gives and has shown the annexation between interior each component of outdoor unit among the embodiment two, and present embodiment and embodiment's one difference is the solenoid valve SV that makes usefulness that starts to control that has only oil balance tube road and two ends thereof between two compressors
1, SV
2, the position of each solenoid valve and annexation and embodiment are together.By this section oil balance tube road realize between two compressors the lubricant oil balance, in start-up course, by the clean boot of opening, stop realizing two rotor-type compressors of the solenoid valve in control oil balance tube road and the unloading startup loop, concrete start-up course is referring to Fig. 4.
Fig. 5 gives and has shown the annexation between interior each component of outdoor unit among the embodiment three, and present embodiment and embodiment's one, two difference is the solenoid valve SV that makes usefulness that starts to control that does not promptly have oil balance tube road and two ends thereof between two compressors
1, SV
2, also not gas equalizing line and two ends thereof start to control the solenoid valve SV that makes usefulness
3, SV
4, that is to say that two compressors are the parallel connection relations of a kind of " purely ".The control of gas and oil equilibration is by frequency and the opening, stop realizing of constant speed rotor-type compressor of control circuit by regulating the frequency conversion rotor-type compressor, reaches the purpose of regulating output thus.In start-up course, by the frequency of control frequency conversion rotor-type compressor and the combination of opening, stopping of constant speed rotor-type compressor, realize the clean boot of two rotor-type compressors and guarantee lubricating between the compressor that concrete start-up course is referring to Fig. 6.
At this; the utility model is given three kinds of embodiments when having shown by two rotor-type compressors parallel connections; described embodiment can be expanded easily according to the number change of compressor, in view of the above the innovation and creation made of thinking and improve and all belong to protection domain of the present utility model.
Claims (4)
1, the control mechanism under a kind of compressor parallel state, comprise two compressors, the air return end of compressor all feeds low-pressure liquid storing tank (11), the parallel pipeline of exhaust end is provided with one-way valve (10) and exhaust bulb (3), between one-way valve (10) and four-way valve (1), be provided with the oil separator (2) that is communicated with four-way valve (1), it is characterized in that in described two compressors that one is rotator type frequency-changeable compressor (4), one is rotator type constant speed compressor (5).
2, control mechanism according to claim 1 is characterized in that being provided with oil balance tube road (6) between two compressors, the oil balance tube road is arranged on two solenoid valve (SV of serial connection mutually
1, SV
2) between, solenoid valve is connected with compressor.
3, control mechanism according to claim 2 is characterized in that also being provided with gas equalizing line (7) between two compressors, the gas equalizing line is arranged on two solenoid valve (SV of serial connection mutually
3, SV
4) between, solenoid valve is connected with compressor.
4,, it is characterized in that at the two ends of constant speed compressor (5) and the solenoid valve (SV that is connected to constant speed compressor unloading primer liner (8) and is connected in series with this pipeline according to claim 1 or 2 or 3 described control mechanisms
5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320117612 CN2656675Y (en) | 2003-11-03 | 2003-11-03 | Control mechanism under condition of compressor parallel connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320117612 CN2656675Y (en) | 2003-11-03 | 2003-11-03 | Control mechanism under condition of compressor parallel connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2656675Y true CN2656675Y (en) | 2004-11-17 |
Family
ID=34346851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320117612 Expired - Lifetime CN2656675Y (en) | 2003-11-03 | 2003-11-03 | Control mechanism under condition of compressor parallel connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2656675Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100360877C (en) * | 2005-01-11 | 2008-01-09 | 三星电子株式会社 | Air conditioner |
| CN102425824A (en) * | 2011-09-20 | 2012-04-25 | 广东美的电器股份有限公司 | High pressure gas balancing device used for parallel connection of multi-connected outdoor unit modules |
| CN102563812A (en) * | 2012-01-19 | 2012-07-11 | 青岛海尔空调电子有限公司 | Multi-split air-conditioning system and control method thereof |
| CN102628628A (en) * | 2012-03-19 | 2012-08-08 | 广东美的暖通设备有限公司 | Oil balancing device for multi-connected machine and control method thereof |
| CN103574957A (en) * | 2012-08-02 | 2014-02-12 | 珠海格力电器股份有限公司 | Multiplex modular system |
-
2003
- 2003-11-03 CN CN 200320117612 patent/CN2656675Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100360877C (en) * | 2005-01-11 | 2008-01-09 | 三星电子株式会社 | Air conditioner |
| CN102425824A (en) * | 2011-09-20 | 2012-04-25 | 广东美的电器股份有限公司 | High pressure gas balancing device used for parallel connection of multi-connected outdoor unit modules |
| CN102425824B (en) * | 2011-09-20 | 2013-08-28 | 广东美的电器股份有限公司 | High pressure gas balancing device used for parallel connection of multi-connected outdoor unit modules |
| CN102563812A (en) * | 2012-01-19 | 2012-07-11 | 青岛海尔空调电子有限公司 | Multi-split air-conditioning system and control method thereof |
| CN102628628A (en) * | 2012-03-19 | 2012-08-08 | 广东美的暖通设备有限公司 | Oil balancing device for multi-connected machine and control method thereof |
| CN102628628B (en) * | 2012-03-19 | 2014-06-04 | 广东美的暖通设备有限公司 | Oil balancing device for multi-connected machine and control method thereof |
| CN103574957A (en) * | 2012-08-02 | 2014-02-12 | 珠海格力电器股份有限公司 | Multiplex modular 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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131103 Granted publication date: 20041117 |