CN202690446U - Compressor parallel system and double-rotor compressor for the same - Google Patents
Compressor parallel system and double-rotor compressor for the same Download PDFInfo
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- CN202690446U CN202690446U CN 201220382525 CN201220382525U CN202690446U CN 202690446 U CN202690446 U CN 202690446U CN 201220382525 CN201220382525 CN 201220382525 CN 201220382525 U CN201220382525 U CN 201220382525U CN 202690446 U CN202690446 U CN 202690446U
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Abstract
The utility model provides a compressor parallel system and a double-rotor compressor for the same. The double-rotor compressor comprises a separator and a compressor main body, wherein the separator is provided with an air suction port and a first air outlet, and the compressor main body is connected with the first air outlet of the separator. The compressor main body comprises a shell, the top end of an oil storage cavity which is formed in the shell is provided with an air exhausting port, and the side wall of the shell is provided with an oil discharging port which can enable the oil storage cavity to be communicated with the outside. The double-rotor compressor can control the oil level inside the double-rotor compressor to be in the appropriate height, and avoids the oil-hammering phenomenon because the oil level inside the double-rotor compressor is too high.
Description
Technical field
The utility model relates to the multi-connected machine technical field, in particular to a kind of two-spool compressor for the compressor parallel system and compressor parallel system.
Background technique
Two-spool compressor adopts the up and down cylinder of 180 degree distributions of two same bent axles, the series of problems such as the capacity that the load moment unbalance of single-rotor compressor causes is limited, cylinder pressurization ratio is relatively poor have been overcome, and compare with scroll compressor, have under the middle and slow speed of revolution significant advantages such as efficient is high, low cost of manufacture, during for VRF Air Conditioning System especially Multi-compressor parallel system, part load performance is good, and capacity regulating is flexible, and cost advantage is outstanding.
When two-spool compressor is used for the Multi-compressor parallel system, when a certain compressor oil mass too much, oil more than needed need be discharged, directly flow to the compressor of other oil starvation in parallel, or flow to the parts such as Fuel Tanking Unit, realize all oil, and avoid the issuable oil of compressor rich oil to hit risk, stability and the reliability of the operation of assurance system.
In the prior art, oil extraction and equal oily demand when the design of two-spool compressor does not consider that it is used for the Multi-compressor parallel system, the integral body of two-spool compressor is a closed container, inside is prone to rich oil and then oil occurs hits phenomenon, and forms the two-spool compressor of closed container so that there is a lot of inconvenience in two-spool compressor in the intrasystem connection of compressor parallel and installation.
The model utility content
The utility model aims to provide a kind of two-spool compressor for the compressor parallel system and compressor parallel system, oil can occur with two-spool compressor in the solution prior art in the compressor parallel system and hit phenomenon.
To achieve these goals, according to an aspect of the present utility model, provide a kind of two-spool compressor for the compressor parallel system, comprising: liquor separator, liquor separator have intakeport and the first air outlet; And compressor main body, compressor main body links to each other with the first air outlet of liquor separator, and compressor main body comprises: housing, enclosure interior are formed with the oil storage chamber, the top of housing is provided with relief opening, and is provided with the oil drain out that oil storage chamber and outside are communicated with on the sidewall of housing.
Further, compressor main body also comprises: relief opening is arranged on the top of housing; Upper cylinder and lower cylinder all are arranged in the housing; Intermediate plate is arranged between upper cylinder and the lower cylinder; Bent axle is arranged in the housing; Bearing, supporting crankshaft also is arranged on the top of upper cylinder; The oil drain out of two-spool compressor is arranged between intermediate plate and the bearing.
Further, the oil drain out place is provided with oil exit pipe.
Further, link to each other by sucking pipe between liquor separator and the compressor.
According on the other hand of the present utility model, a kind of compressor parallel system is provided, the compressor parallel system comprises: gas-liquid separator comprises second air outlet; Oil separator comprises first filler opening and first oil outlet; A plurality of two-spool compressors, each two-spool compressor is in the claim 1 to 4 each two-spool compressor, the intakeport of the liquor separator of each two-spool compressor all links to each other respectively with the second air outlet of gas-liquid separator and the first oil outlet of oil separator, the relief opening of the compressor main body of each two-spool compressor all links to each other with the first filler opening of oil separator, and the oil drain out of the compressor main body of each two-spool compressor all links to each other with the first filler opening of oil separator.
Further, be provided with between the first filler opening of the relief opening of two-spool compressor and oil separator by the relief opening of the two-spool compressor one-way valve to the conducting of oil separator one direction.
According on the other hand of the present utility model, a kind of compressor parallel system is provided, the compressor parallel system comprises: gas-liquid separator comprises second air outlet and a suction port; Oil separator comprises first filler opening and first oil outlet, and the first oil outlet of oil separator is connected with the suction port of gas-liquid separator; Oil conservator, oil conservator comprise the second filler opening, the second oil outlet and the 3rd oil outlet; A plurality of two-spool compressors, each two-spool compressor is in the claim 1 to 4 each two-spool compressor, the intakeport of the liquor separator of each two-spool compressor all links to each other respectively with the 3rd oil outlet with the second air outlet of gas-liquid separator, the second oil outlet of oil conservator, the relief opening of the compressor main body of each two-spool compressor all links to each other with the first filler opening of oil separator, and the oil drain out of the compressor main body of each two-spool compressor all links to each other with the second filler opening of oil conservator.
Further, be provided with between the first filler opening of the relief opening of two-spool compressor and oil separator by the relief opening of the two-spool compressor one-way valve to the conducting of oil separator one direction.
In the technical solution of the utility model, sidewall at compressor housing arranges oil drain out, when the oil level in the compressor main body rises arrival oil drain out position, can oil unnecessary in the compressor be discharged by oil exit pipe, like this, effectively define the highest oil level in the compressor, avoid the appearance rich oil in the compressor and the oil that causes hits phenomenon.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
The master that Fig. 1 shows according to the embodiment of two-spool compressor of the present utility model looks schematic diagram;
Fig. 2 shows the connection diagram according to the embodiment one of compressor parallel of the present utility model system; And
Fig. 3 shows the connection diagram according to the embodiment two of compressor parallel of the present utility model system.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Fig. 1 shows the main schematic diagram according to the embodiment of two-spool compressor of the present utility model, as can be seen from the figure, two-spool compressor in the present embodiment comprises liquor separator 10 and compressor main body 20, wherein, have intakeport 11 and the first air outlet on the liquor separator 10, compressor main body 20 links to each other with liquor separator 10, and compressor main body 20 includes housing, the inside of housing is formed with the oil storage chamber, the top of housing is provided with relief opening, and is provided with the oil drain out 21 that oil storage chamber and outside are communicated with on the sidewall of housing.Two-spool compressor in the present embodiment is by arranging oil drain out at sidewall, when the oil level in the two-spool compressor rises to the position of oil drain out, the oil that is higher than the oil drain out part can be discharged by oil drain out, and flow in other parts and recycle, the setting of oil drain out defines the extreme higher position of oil level in the two-spool compressor effectively, prevents from enrichment phenomenon occurring in the two-spool compressor and causes that oil hits phenomenon.
In the present embodiment, be provided with upper cylinder 22 and lower cylinder 23 in the inside of housing, has the first area on the cylinder body of upper cylinder 22, has second area on the cylinder body of lower cylinder 23, first area and second area all with the housing of compressor main body 20 on the 3rd zone corresponding, be welded with oil exit pipe 24 at the oil drain out place, should dodge the position at the 3rd regional place when oil exit pipe 24 is connected on the housing, prevent to link to each other with the oil storage chamber after oil exit pipe 24 is connected on the housing.
Compressor main body 20 also includes intermediate plate, bent axle and bearing 25, and wherein, intermediate plate is arranged between upper cylinder 22 and the lower cylinder 23, and bent axle is arranged on enclosure interior, and bearing 25 is connected on the bent axle and is positioned at the top of upper cylinder 22.Preferably, oil exit pipe 24 is arranged between intermediate plate and the bearing 25, be about in the scope that oil drain out is arranged on 10 ~ 40mm on the minimum oil level that compressor main body 20 allows, in this scope, oil drain out is set, can when guaranteeing compressor main body 20 interior oil mass demands, prevent compressor main body 20 interior generation enrichment phenomenons.Simultaneously, offer the suction port that is lower than minimum oil level on the housing of compressor main body 20, this suction port links to each other by sucking pipe 12 with the first air outlet of liquor separator 10.
The utility model also provides a kind of compressor parallel system, comprises according to the embodiment of compressor parallel system; Gas-liquid separator 1, oil separator 2 and at least two two-spool compressors, two-spool compressor are above-mentioned two-spool compressor.In embodiment one, as shown in Figure 2, comprise second air outlet and a suction port on the gas-liquid separator 1, comprise first filler opening and first oil outlet that is connected with the suction port of gas-liquid separator 1 on the oil separator 2; The intakeport 11 of the liquor separator 10 of each two-spool compressor all links to each other respectively with the second air outlet of gas-liquid separator 1 and the first oil outlet of oil separator 2, the relief opening 21 at compressor main body 20 tops links to each other with the first filler opening of oil separator 2, and the oil drain out on the compressor sidewall links to each other with the first filler opening of oil separator 2.The compressor parallel system of the present embodiment, but the oil level in each two-spool compressor avoids the interior too high appearance oil of oil level of compressor to hit phenomenon at suitable height in the control system, simultaneously, can also avoid the excessively low compressor damage that causes of oil level.
Implementing in one, a plurality of two-spool compressors are connected in parallel, and wherein the part two-spool compressor enrichment phenomenon can occur after work a period of time, and at this moment, part oil mass more than needed flows to oil separator 2 and is stored in the oil separator 2 through oil exit pipe 24; The outlet pipe of a part compressed machine 20 of oil mass more than needed flows to oil separator 2 with compressor 20 exhausts and is stored in the oil separator 2, realizes being in the compressor parallel system oil extraction of the compressor of rich oil state.When petrol starvation occurring in the part two-spool compressor and need repairing, the oil that oil separator 2 is separated its inside flows back to the two-spool compressor of oil starvation by the first oil outlet of oil separator 2, realize that the oil return between each compressor is all oily in the compressor parallel system, prevent that oil level is excessively low in the compressor.For preventing that the reverse flow that has in the oil separator 2 is back to relief opening 21 places at compressor main body 20 tops, also between the relief opening 21 of compressor main body 20 and oil separator 2, be provided with one-way valve.The setting of this oil extraction and equal oil can guarantee compressor parallel Systems balanth and reliability.Compressor parallel system among the embodiment one, the connection between all parts and quick and easy for installation, and with low cost.
In the embodiment two of as shown in Figure 3 compressor parallel system, with not the coexisting and in system, increase an oil conservator 4 of embodiment one, include the second filler opening, the second oil outlet and the 3rd oil outlet on this oil conservator 4.In embodiment two, the oil drain out on each two-spool compressor all links to each other with the second filler opening of oil conservator 4, and the second oil outlet of oil conservator 4 all links to each other with the intakeport 11 of each two-spool compressor upper liquid separating device 10 with the 3rd oil outlet.In embodiment two, oil mass more than needed in each compressor flows in the oil conservator 4 by oil drain out stores, when occurring petrol starvation or other module generation oil starvation in the Partial shrinkage machine, oil in the oil conservator 4 can be according to the flow of requirement of repairing low voltage side or other oil starvation module to compressor, realizes oil return and equal oil.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. a two-spool compressor that is used for the compressor parallel system is characterized in that, comprising:
Liquor separator (10), described liquor separator (10) has intakeport (11) and the first air outlet; And
Compressor main body (20), described compressor main body (20) links to each other with the first air outlet of described liquor separator (10), and described compressor main body (20) comprising:
Housing, described enclosure interior is formed with the oil storage chamber, and the top of described housing is provided with relief opening (21), and is provided with the oil drain out that described oil storage chamber and outside are communicated with on the sidewall of described housing.
2. two-spool compressor according to claim 1 is characterized in that,
Described compressor main body (20) also comprises:
Relief opening (21) is arranged on the top of described housing;
Upper cylinder (22) and lower cylinder (23) all are arranged in the described housing;
Intermediate plate is arranged between described upper cylinder (22) and the described lower cylinder (23);
Bent axle is arranged in the described housing;
Bearing (25) supports described bent axle and is arranged on the top of described upper cylinder (22);
The oil drain out of described two-spool compressor is arranged between described intermediate plate and the described bearing (25).
3. two-spool compressor according to claim 1 is characterized in that, described oil drain out place is provided with oil exit pipe (24).
4. two-spool compressor according to claim 1 is characterized in that, links to each other by sucking pipe (12) between described liquor separator (10) and the described compressor.
5. a compressor parallel system is characterized in that, described compressor parallel system comprises:
Gas-liquid separator (1) comprises second air outlet;
Oil separator (2) comprises first filler opening and first oil outlet;
A plurality of two-spool compressors (3), each described two-spool compressor (3) is each described two-spool compressor (3) in the claim 1 to 4, the intakeport (11) of the liquor separator of each described two-spool compressor (10) all links to each other respectively with the second air outlet of described gas-liquid separator (1) and the first oil outlet of described oil separator (2), the relief opening (21) of the compressor main body (20) of each described two-spool compressor (3) all links to each other with the first filler opening of described oil separator (2), and the oil drain out of the described compressor main body (20) of each described two-spool compressor (3) all links to each other with the first filler opening of described oil separator (2).
6. compressor parallel according to claim 5 system, it is characterized in that, be provided with between the relief opening (21) of described two-spool compressor (3) and the first filler opening of described oil separator (2) by the relief opening (21) of described two-spool compressor (3) one-way valve to described oil separator (2) one direction conducting.
7. a compressor parallel system is characterized in that, described compressor parallel system comprises:
Gas-liquid separator (1) comprises second air outlet and a suction port;
Oil separator (2) comprises first filler opening and first oil outlet, and the first oil outlet of described oil separator (2) is connected with the suction port of described gas-liquid separator (1);
Oil conservator (4), described oil conservator (4) comprises the second filler opening, the second oil outlet and the 3rd oil outlet;
A plurality of two-spool compressors (3), each described two-spool compressor (3) is each described two-spool compressor (3) in the claim 1 to 4, the intakeport (11) of the described liquor separator (10) of each described two-spool compressor all with the second air outlet of described gas-liquid separator (1), the second oil outlet of described oil conservator (4) links to each other respectively with the 3rd oil outlet, the relief opening (21) of the described compressor main body (20) of each described two-spool compressor (3) all links to each other with the first filler opening of described oil separator (2), and the oil drain out of the described compressor main body (20) of each described two-spool compressor (3) all links to each other with the second filler opening of described oil conservator (4).
8. compressor parallel according to claim 7 system, it is characterized in that, be provided with between the relief opening (21) of described two-spool compressor (3) and the first filler opening of described oil separator (2) by the relief opening (21) of described two-spool compressor (3) one-way valve to described oil separator (2) one direction conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382525 CN202690446U (en) | 2012-08-02 | 2012-08-02 | Compressor parallel system and double-rotor compressor for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382525 CN202690446U (en) | 2012-08-02 | 2012-08-02 | Compressor parallel system and double-rotor compressor for the same |
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| Publication Number | Publication Date |
|---|---|
| CN202690446U true CN202690446U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220382525 Expired - Lifetime CN202690446U (en) | 2012-08-02 | 2012-08-02 | Compressor parallel system and double-rotor compressor for the same |
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| CN (1) | CN202690446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573626A (en) * | 2012-08-02 | 2014-02-12 | 珠海格力电器股份有限公司 | Compressor parallel system and double-rotor compressor of same |
-
2012
- 2012-08-02 CN CN 201220382525 patent/CN202690446U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573626A (en) * | 2012-08-02 | 2014-02-12 | 珠海格力电器股份有限公司 | Compressor parallel system and double-rotor compressor of same |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
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| CX01 | Expiry of patent term |