CN204532819U - Compound compressor and the chiller plant with it - Google Patents
Compound compressor and the chiller plant with it Download PDFInfo
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- CN204532819U CN204532819U CN201520177314.9U CN201520177314U CN204532819U CN 204532819 U CN204532819 U CN 204532819U CN 201520177314 U CN201520177314 U CN 201520177314U CN 204532819 U CN204532819 U CN 204532819U
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Abstract
The utility model discloses a kind of compound compressor and have its chiller plant, described compound compressor comprises: housing; Compressing mechanism, described compressing mechanism is located in described housing, described compressing mechanism comprises: one stage of compression parts and two-stage compression parts, described one stage of compression parts comprise one-level cylinder, described two-stage compression parts comprise secondary cylinder, be provided with roller and reciprocable in one in described one-level cylinder and described secondary cylinder and the slide plate be only against on described roller, in another in described one-level cylinder and described secondary cylinder, be provided with impeller; Dividing plate, described dividing plate is located between described one stage of compression parts and described two-stage compression parts; Bent axle, described bent axle comprises main part and is formed in the off-axis portion on described main part, and described roller sleeve is located in described off-axis portion, and described impeller set is located on described main part.High according to the efficiency of the compound compressor of the utility model embodiment, refrigerating/heating performance is good.
Description
Technical field
The utility model relates to compressor field, especially relates to a kind of compound compressor and the chiller plant with this compound compressor.
Background technique
One stage of compression parts in compound compressor in correlation technique and two-stage compression parts are rotary compression structure, the feature of the exhaust of rotary compression structure is only exhausted in the scope of 180 ° that roller rotates, exhaust has intermittence, has so just had a strong impact on the efficiency of compound compressor.Although alleviate the problem of exhaust interval in prior art by arranging middle chamber (middle pressure chamber), such structure air intake passage is long, and refrigerant gas is easily subject to the heating of pump body hot environment, affects poor performance.
Model utility content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model needs to propose a kind of compound compressor, and the efficiency of this compound compressor is high, refrigerating/heating performance is good.
The utility model also needs to propose a kind of chiller plant with this compound compressor.
According to the compound compressor of the utility model first aspect, comprising: housing; Compressing mechanism, described compressing mechanism is located in described housing, described compressing mechanism comprises: one stage of compression parts and two-stage compression parts, described one stage of compression parts comprise one-level cylinder, described two-stage compression parts comprise secondary cylinder, be provided with roller and reciprocable in one in described one-level cylinder and described secondary cylinder and the slide plate be only against on described roller, in another in described one-level cylinder and described secondary cylinder, be provided with impeller; Dividing plate, described dividing plate is located between described one stage of compression parts and described two-stage compression parts, and described dividing plate is provided with the gas channel of the intakeport of air outlet for being communicated with described one stage of compression parts and described two-stage compression parts; Bent axle, described bent axle comprises main part and is formed in the off-axis portion on described main part, and described roller sleeve is located in described off-axis portion, and described impeller set is located on described main part.
According to the compound compressor of the utility model embodiment, by rotary compression parts and centrifugal compressed parts are combined as a whole, thus the advantage of centrifugal compressed parts can be utilized to promote the efficiency of compound compressor, namely the exhaust of centrifugal compressed parts continuously, uninterruptedly, and exhaust temperature rise is little, thus each compression member that can overcome in prior art in compound compressor is the shortcoming of rotary compression parts, and then efficiency and the refrigerating/heating performance of compound compressor can be promoted.
In addition, for compound compressor of the prior art, the bent axle of the compound compressor in the utility model embodiment arranges an off-axis portion at the most, greatly can reduce assembling difficulty like this.
In addition, also following additional technical feature can be had according to compound compressor of the present utility model:
According to an embodiment of the present utility model, described secondary cylinder is positioned at the top of described one-level cylinder, and described roller and described slide plate are located in described secondary cylinder, and described impeller is located in described one-level cylinder.
According to an embodiment of the present utility model, the lumenal cross-section of described one-level cylinder reduces from bottom to top gradually, and the physical dimension of the lower end of described impeller is greater than the physical dimension of the upper end of described impeller.
According to an embodiment of the present utility model, the intakeport of described one stage of compression parts is formed on the sidewall of described one-level cylinder, and the suction tude of described compound compressor is communicated with the intakeport of described one stage of compression parts.
According to an embodiment of the present utility model, the lower end surface of described dividing plate is provided with the diffusion groove with the inner space of described one-level cylinder, and the gas channel on described dividing plate is for being communicated with the intakeport of described diffusion groove and described two-stage compression parts.
According to an embodiment of the present utility model, described diffusion groove is annular, and the cross-sectional dimension of described diffusion groove increases on the direction of described gas channel gradually at the intakeport from described one stage of compression parts.
According to an embodiment of the present utility model, the described center of diffusion groove overlaps with the rotating center of bent axle.
According to an embodiment of the present utility model, described diffusion groove is symmetrical arranged relative to the line between the intakeport of described one stage of compression parts and described gas channel.
According to an embodiment of the present utility model, described secondary cylinder is positioned at the top of described one-level cylinder, and described roller and described slide plate are located in described one-level cylinder, and described impeller is located in described secondary cylinder.
According to the chiller plant of the utility model second aspect, comprise the compound compressor according to the utility model first aspect.Because compound compressor has above-mentioned advantage, therefore, by arranging this three stage compressor thus the efficiency of refrigeration system and refrigerating/heating performance can being made to be improved.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the compound compressor according to the utility model embodiment.
Reference character:
Compound compressor 100;
Housing 20; Shell air inlet 201; Housing relief opening 202; Suction tude 203;
Compressing mechanism 10;
One stage of compression parts 1; One-level cylinder 11; Impeller 12; The intakeport 13 of one stage of compression parts;
Two-stage compression parts 2; Secondary cylinder 21; Roller 22; The intakeport 23 of two-stage compression parts;
Dividing plate 3; Gas channel 31; Diffusion groove 32;
Bent axle 4; Main part 41; Installation step structure 411; Off-axis portion 42.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1, the compound compressor 100 according to the utility model first aspect embodiment is described.As shown in Figure 1, housing 20 and compressing mechanism 10 is comprised according to the compound compressor 100 of the utility model embodiment.Compressing mechanism 10 is located in housing 20, and compressing mechanism 10 comprises one stage of compression parts 1, two-stage compression parts 2, dividing plate 3 and bent axle 4.
Two-stage compression parts 2 are located at the top of one stage of compression parts 1, dividing plate 3 is located between one stage of compression parts 1 and two-stage compression parts 2, dividing plate 3 is provided with the gas channel 31 of the intakeport 23 of air outlet for being communicated with one stage of compression parts 1 and two-stage compression parts 2, and housing 20 is provided with shell air inlet 201 and housing relief opening 202.The intakeport 13 of one stage of compression parts 1 is connected with shell air inlet 201, the intakeport 23 of two-stage compression parts 2 is connected by the gas channel 31 on dividing plate 3 with the air outlet of one stage of compression parts 1, and the air outlet of two-stage compression parts 2 is connected with housing relief opening 202.
When compound compressor 100 works, refrigerant gas to enter in one stage of compression parts 1 through the intakeport 13 of one stage of compression parts 1 from shell air inlet 201 and carries out first compression, gas channel 31 again successively on the air outlet of one stage of compression parts 1, dividing plate 3 and the intakeport 23 of two-stage compression parts 2 enter in two-stage compression parts 2 and carry out secondary compression, finally discharge compound compressor 100 through the air outlet of two-stage compression parts 2 and housing relief opening 202 successively again, complete twice compression process of refrigeration agent thus.
Particularly, one stage of compression parts 1 comprise one-level cylinder 11, and two-stage compression parts 2 comprise secondary cylinder 21, and secondary cylinder 21 is located at above one-level cylinder 11, and dividing plate 3 is arranged between secondary cylinder 21 and one-level cylinder 11.
Wherein, in embodiment of the present utility model, be provided with roller 22 and reciprocable in one in one-level cylinder 11 and secondary cylinder 21 and the slide plate be only against on roller 22, in another in one-level cylinder 11 and secondary cylinder 21, be provided with impeller 12.Further, the off-axis portion 42 that bent axle 4 comprises main part 41 and is formed on main part 41, roller 22 is set in off-axis portion 42, and impeller 12 is set on main part 41, and roller 22 and impeller 12 can be driven when bent axle 4 rotates to rotate in respective cylinder simultaneously.
Wherein the utility model comprises the concrete example of the following two kinds: the first, and roller 22 and slide plate are located in secondary cylinder 21, and impeller 12 is located in one-level cylinder 11; The second, roller 22 and slide plate are located in one-level cylinder 11, and impeller 12 is located in secondary cylinder 21.
It should be noted that, the compression member being provided with roller 22 can be called rotary compression parts, and particularly, refrigerant gas enters in rotary compression parts, promotes its pressure by the rotation of roller 22 in cylinder; The compression member being provided with impeller 12 can be called centrifugal compressed parts, particularly, refrigerant gas enters into after in these centrifugal compressed parts, by the High Rotation Speed of impeller 12, the speed of refrigerant gas is promoted, then reduces gas flow rate through diffusion structure thus improve refrigerant gas pressure.Alternatively, roller 22 can be identical with the structure of slide plate with the roller in rotary compressor of the prior art with the structure of slide plate, and the structure of impeller 12 also can be identical with the blade wheel structure in centrifugal compressor of the prior art, do not repeat them here.
According to the compound compressor 100 of the utility model embodiment, by rotary compression parts and centrifugal compressed parts are combined as a whole, thus the advantage of centrifugal compressed parts can be utilized to promote the efficiency of compound compressor 100, namely the exhaust of centrifugal compressed parts continuously, uninterruptedly, and exhaust temperature rise is little, thus each compression member that can overcome in prior art in compound compressor 100 is the shortcoming of rotary compression parts, and then efficiency and the refrigeration performance of compound compressor 100 can be promoted.
As shown in Figure 1, in preferred embodiment of the present utility model, impeller 12 can be arranged in one-level cylinder 11 to make one stage of compression parts 1 be configured to centrifugal compressed parts, roller 22 and slide plate are located in secondary cylinder 21 to make two-stage compression parts 2 be configured to rotary compression parts, the air-breathing of such two-stage compression parts 2 has continuity, air-breathing is more sufficient, and the temperature rise of one stage of compression parts 1 is little, serves very favorable effect to the lifting of the volumetric efficiency of two-stage compression parts 2.More effectively can promote working efficiency and the refrigeration performance of compound compressor 100 thus.
Referring to Fig. 1, describe the preferred embodiment according to the utility model embodiment in detail.
As shown in Figure 1, the lumenal cross-section of one-level cylinder 11 reduces from bottom to top gradually, and the physical dimension of the lower end of impeller 12 is greater than the physical dimension of the upper end of impeller 12, and impeller 12 can be arranged in one-level cylinder 11 better thus.Alternatively, the main part 41 of bent axle 4 can be provided with installation step structure 411, the external diameter of this installation step structure 411 is greater than the external diameter of bent axle 4 main part 41, impeller 12 is set in the outside of installation step structure 411, impeller 12 can be made thus to be arranged on bent axle 4 main part 41 better, to install more stable.
Alternatively, diffusion structure can be formed in one-level cylinder 11, under the driving of impeller 12, the speed of refrigerant gas can carry out diffusion after getting a promotion in one-level cylinder 11 like this, the structure of one stage of compression parts 1 can be made so compacter, thus the height of the above-below direction of compound compressor 100 can be reduced.Certain the utility model is not limited to this, as shown in Figure 1, the lower end surface of dividing plate 3 is provided with the diffusion groove 32 with the inner space of one-level cylinder 11, gas channel 31 on dividing plate 3 is for being communicated with the intakeport 23 of diffusion groove 32 and two-stage compression parts 2, that is, diffusion structure can be formed on dividing plate 3, can improve the volume of diffusion structure like this, and then the compression ratio of one stage of compression parts 1 can be improved, and then the volumetric efficiency of one stage of compression parts 1 can be improved.
Alternatively, diffusion groove 32 is annular, and the center of diffusion groove 32 can overlap with the rotating center of bent axle 4.Preferably, diffusion groove 32 is symmetrical arranged relative to the line between the intakeport 13 of one stage of compression parts 1 and gas channel 31, wherein this line refers to the horizontal line between the center of the intakeport 13 of one stage of compression parts 1 and the axis of gas channel 31, in the plan view of that is diffusion groove 32, diffusion groove 32 can become axially symmetric structure.The structure of diffusion groove 32 can be made thus more simple, easy to manufacture.
The cross-sectional dimension of diffusion groove 32 increases on the direction of gas channel 31 gradually at the intakeport 13 from one stage of compression parts 1, in the sectional view of that is compound compressor 100 as shown in Figure 1, the cross-sectional dimension of diffusion groove 32 increases from right to left gradually, particularly, the area of the cross section of diffusion groove 32 increases from right to left gradually, thus, the pressure of the refrigerant gas of discharging from gas channel 31 can be made maximum, compression ratio is higher, and then the working efficiency of compound compressor 100 is higher.
As shown in Figure 1, alternatively, gas channel 31 extends and just right with the intakeport 23 of two-stage compression parts 2 along the vertical direction, and the refrigerant gas after diffusion groove 32 diffusion can be made thus to be more promptly drained in two-stage compression parts 2.
Alternatively, the intakeport 13 of one stage of compression parts 1 is formed on the sidewall of one-level cylinder 11, the suction tude 203 of compound compressor 100 is communicated with the intakeport 13 of one stage of compression parts 1, and one stage of compression parts 1 can form radial air inlet, axial structure of giving vent to anger thus.But the utility model is not limited to this, the structure that one stage of compression parts 1 can also be configured to axial admission, axially give vent to anger, or the structure that one stage of compression parts 1 can also be configured to axial admission, radial direction is given vent to anger, as long as can ensure that the gas between one stage of compression parts 1 and two-stage compression parts 2 is communicated with.
According to the refrigeration system of the utility model second aspect embodiment, comprise the compound compressor 100 according to the utility model first aspect embodiment, because compound compressor 100 has above-mentioned advantage, therefore, by arranging this compound compressor 100 thus the efficiency of refrigeration system and refrigerating/heating performance can being made to be improved.
Alternatively, this refrigeration system can be the equipment such as refrigerator, air-conditioning.Its concrete refrigeration cycle structure, electrical structure etc. and operation are all known for those of ordinary skills, no longer describe in detail here.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (10)
1. a compound compressor, is characterized in that, comprising:
Housing;
Compressing mechanism, described compressing mechanism is located in described housing, and described compressing mechanism comprises:
One stage of compression parts and two-stage compression parts, described one stage of compression parts comprise one-level cylinder, described two-stage compression parts comprise secondary cylinder, be provided with roller and reciprocable in one in described one-level cylinder and described secondary cylinder and the slide plate be only against on described roller, in another in described one-level cylinder and described secondary cylinder, be provided with impeller;
Dividing plate, described dividing plate is located between described one stage of compression parts and described two-stage compression parts, and described dividing plate is provided with the gas channel of the intakeport of air outlet for being communicated with described one stage of compression parts and described two-stage compression parts;
Bent axle, described bent axle comprises main part and is formed in the off-axis portion on described main part, and described roller sleeve is located in described off-axis portion, and described impeller set is located on described main part.
2. compound compressor according to claim 1, is characterized in that, described secondary cylinder is positioned at the top of described one-level cylinder, and described roller and described slide plate are located in described secondary cylinder, and described impeller is located in described one-level cylinder.
3. compound compressor according to claim 2, is characterized in that, the lumenal cross-section of described one-level cylinder reduces from bottom to top gradually, and the physical dimension of the lower end of described impeller is greater than the physical dimension of the upper end of described impeller.
4. compound compressor according to claim 2, is characterized in that, the intakeport of described one stage of compression parts is formed on the sidewall of described one-level cylinder, and the suction tude of described compound compressor is communicated with the intakeport of described one stage of compression parts.
5. compound compressor according to claim 2, it is characterized in that, the lower end surface of described dividing plate is provided with the diffusion groove with the inner space of described one-level cylinder, and the gas channel on described dividing plate is for being communicated with the intakeport of described diffusion groove and described two-stage compression parts.
6. compound compressor according to claim 5, is characterized in that, described diffusion groove is annular, and the cross-sectional dimension of described diffusion groove increases on the direction of described gas channel gradually at the intakeport from described one stage of compression parts.
7. compound compressor according to claim 5, is characterized in that, the described center of diffusion groove overlaps with the rotating center of bent axle.
8. compound compressor according to claim 5, is characterized in that, described diffusion groove is symmetrical arranged relative to the line between the intakeport of described one stage of compression parts and described gas channel.
9. compound compressor according to claim 1, is characterized in that, described secondary cylinder is positioned at the top of described one-level cylinder, and described roller and described slide plate are located in described one-level cylinder, and described impeller is located in described secondary cylinder.
10. a chiller plant, is characterized in that, comprises the compound compressor according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520177314.9U CN204532819U (en) | 2015-03-26 | 2015-03-26 | Compound compressor and the chiller plant with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520177314.9U CN204532819U (en) | 2015-03-26 | 2015-03-26 | Compound compressor and the chiller plant with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532819U true CN204532819U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520177314.9U Withdrawn - After Issue CN204532819U (en) | 2015-03-26 | 2015-03-26 | Compound compressor and the chiller plant with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747443A (en) * | 2015-03-26 | 2015-07-01 | 广东美芝制冷设备有限公司 | Double-stage compressor and refrigerating equipment with same |
-
2015
- 2015-03-26 CN CN201520177314.9U patent/CN204532819U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747443A (en) * | 2015-03-26 | 2015-07-01 | 广东美芝制冷设备有限公司 | Double-stage compressor and refrigerating equipment with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20170929 |
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| AV01 | Patent right actively abandoned |