CN207500122U - A kind of built-in economizer formula double-stage compressor - Google Patents
A kind of built-in economizer formula double-stage compressor Download PDFInfo
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- CN207500122U CN207500122U CN201721289959.7U CN201721289959U CN207500122U CN 207500122 U CN207500122 U CN 207500122U CN 201721289959 U CN201721289959 U CN 201721289959U CN 207500122 U CN207500122 U CN 207500122U
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Abstract
The utility model discloses a kind of built-in economizer formula double-stage compressors, include housing, a driving bent axle anyhow is equipped in housing, one end of the driving bent axle is equipped with pump group part I, the other end is equipped with pump group part II, the outside of pump group part II is equipped with high and low voltage isolation plate, the both ends of the housing form the chamber of a closing by end cap I and the encapsulation of end cap II, the chamber will be divided into chamber I and chamber II by high and low voltage isolation plate, air intake duct and exhaust pipe have been respectively communicated on its two chamber, economizer is set on the driving bent axle of II inside of pump group part in chamber I.The utility model economizer is located inside compressor, is not take up system space completely, solves the problems, such as prior art economizer independence occupied space；The economizer is located inside compressor, and economizer inside and outside differential pressure is small, and the smaller pipe of thickness can be selected, and on the basis of reducing cost, improves heat exchange efficiency.
Description
Technical field：
The utility model is related to compressor fields, relate generally to a kind of built-in economizer formula double-stage compressor.
Background technology：
The application of Teat pump boiler is increasingly extensive in recent years, however conventional heat pump system has compression when pressure ratio is higher
Engine efficiency is low, the technical barriers such as delivery temperature height, thus as the technical bottleneck of industry development, using Two-stage Compression system or again
Stacked refrigeration system is to solve the effective way of technical barrier (namely high temperature difference) under high pressure ratio, however, since system is excessively multiple
Miscellaneous and cost factor, there has been no two-stage compression (or superposition type) heat pump products truly at present.By analysis with grinding
Study carefully, it has been found that the refrigerant of certain intermediate pressure is sprayed into the enclosed cylinder in compression process, compression can be increased
The displacement of machine, so as to improve heating capacity and COP, this becomes the various technical barriers for solving heat pump in high pressure ratio
A kind of effective solution, this is the refrigeration system with economizer.
Conventional economical device is a separate part in refrigeration system, needs to set up individual placement space for it, and carry out
Heat-insulated processing prevents it from exchanging heat with ambient enviroment, is equipped with special refrigerant circuit, and structure is relative complex, and occupied space is larger,
It is of high cost.
Utility model content：
The defects of the utility model aim is exactly to make up prior art provides a kind of built-in economizer formula Two-stage Compression
Machine mainly using two sets of pump group parts, in one tonifying Qi chamber of compressor internal structure, in the chamber, is built-in with economizer, described
Economizer has heat exchange efficiency high, occupies little space, it is at low cost the characteristics of.
The utility model is achieved through the following technical solutions：
A kind of built-in economizer formula double-stage compressor includes housing (3), a drive anyhow is equipped in the housing (3)
Dynamic crankshaft (6), it is characterised in that：One end of the driving bent axle (6) is equipped with pump group part I (2), and the other end is equipped with pump group part
II (12) are equipped with high and low voltage isolation plate (10) on the outside of the pump group part II (12), and the both ends of the housing (3) pass through end
Lid I (1) and end cap II (9) encapsulation form the chamber of a closing, which will be divided by the high and low voltage isolation plate (10)
Chamber I (18) and chamber II (19) have been respectively communicated with air intake duct (17) and exhaust pipe (11), the chamber I on two chambers
(18) economizer (7) is set on the driving bent axle (6) on the inside of the pump group part II (12) in.
Motor stator (4) and motor rotor (5) are installed on driving bent axle (6) in the housing (3).
The economizer (7) is made of pipe I (16) and pipe II (15), and the pipe I (16) is in pipe II (15)
Portion, described I (16) both ends of pipe are connected respectively with housing (3) top connection I (8) and connector II (13).
It is refrigeration system main circuit refrigerant inside the pipe I (16), the interlayer of the pipe II (15) and pipe I (16) formation
It is refrigerant after primary shut off, sandwich passage (20) entrance (21) and the connector III (14) on housing (3) in channel (20)
It is connected, sandwich passage (20) outlet (22) is internal in housing (3)；
The pipe I (16) is the efficient heat-exchanging pipe of common tube, bellows, inner helix pipe or outer spiral tube form.
The economizer (7) is the plate heat exchanger being laminated by circular ring shape or fan-shaped sheet metal.
There are two channel, channel I and channels II for the plate heat exchanger tool, and the channel I is interior to freeze for main loop
Agent, both ends are connected respectively with housing (3) top connection I (8) and connector II (13), to freeze after primary shut off in the channel II
Agent, described II one end of channel are connected with the connector III (14) on housing (3), and it is internal that the other end is opened on housing (3).
The utility model has the advantages that：
1st, the economizer is located inside compressor, is not take up system space completely, and it is only to solve prior art economizer
The problem of vertical occupied space；
2nd, the economizer is located inside compressor, and economizer inside and outside differential pressure is small, and the smaller pipe of thickness can be selected, reduce
On the basis of cost, heat exchange efficiency is improved, at low cost compared with prior art, heat exchange efficiency is high；
3rd, the economic gas inner refrigerant inherently will strong with the compressor I inner refrigerant of room exchange heat, because
This solves the heat-insulated process problem of prior art heat exchanger without taking economizer any Insulation.
Description of the drawings：
Fig. 1 is the external structure schematic diagram of the utility model.
Fig. 2 is the internal view of the utility model.
Fig. 3 is the structure diagram of economizer in the utility model.
Fig. 4 is the partial enlarged view in Fig. 3.
In figure：1st, end cap I 2, pump group part I 3, housing 4, motor stator 5, motor rotor 6, driving bent axle 7, economizer
8th, connector I 9, end cap II 10, high and low voltage isolation plate 11, exhaust pipe 12, pump group part II 13, connector II 14, connector III 15, pipe II
16th, pipe I 17, air intake duct 18, chamber I 19, chamber II 20, sandwich passage 21, entrance 22, outlet.
Specific embodiment：
Referring to attached drawing.
A kind of built-in economizer formula double-stage compressor includes housing 3, it is bent that a driving anyhow is equipped in the housing 3
Axis 6, it is characterised in that：One end of the driving bent axle 6 is equipped with pump group part I 2, and the other end is equipped with pump group part II 12, described
The outside of pump group part II 12 is equipped with high and low voltage isolation plate 10, and the both ends of the housing 3 are encapsulated by end cap I 1 and end cap II 9
The chamber of a closing is formed, which will be divided into chamber I 18 and chamber II 19 by the high and low voltage isolation plate 10, and two
Air intake duct 17 and exhaust pipe 11 are respectively communicated on chamber, on the driving bent axle 6 of II 12 inside of pump group part in the chamber I 18
It is set with economizer 7.
Motor stator 4 and motor rotor 5 are installed on driving bent axle 6 in the housing 3.
The pump group part I 2 is directly sucked in gas by air intake duct 17, and gas is discharged into the chamber I inside compressor after compression
18, intermediate pressure chamber is formed inside compressor, tonifying Qi or hydrojet can be carried out in the chamber I 18.
The economizer 7 is made of pipe I 16 and pipe II 15, and the pipe I 16 is located inside pipe II 15, I 16 liang of the pipe
End is connected respectively with 3 top connection I 8 of housing and connector II 13, and I 16 inside of pipe is refrigeration system main circuit refrigerant, described
It is refrigerant after primary shut off in the sandwich passage 20 that pipe II 15 and pipe I 16 are formed, 20 entrance 21 of sandwich passage and housing 3
On connector III 14 be connected, the outlet of sandwich passage 20 is 22 in 3 internal chamber I 18 of housing.
According to actual use situation, common tube may be used in the pipe I 16, can also use bellows, inner helix pipe or
The efficient heat-exchanging pipes such as outer spiral tube.
The economizer 7 can also use the plate heat exchanger being laminated by circular ring shape or fan-shaped sheet metal, institute simultaneously
Plate heat exchanger tool is stated there are two channel, channel I and channel II, the channel I is interior for main loop refrigerant, both ends difference
Be connected with 3 top connection I 8 of housing and connector II 13, be refrigerant after primary shut off in the channel II, described II one end of channel with
Connector III 14 on housing 3 is connected, and the other end is opened on 3 internal chamber I 18 of housing.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of built-in economizer formula double-stage compressor includes housing (3), a driving anyhow is equipped in the housing (3)
Bent axle (6), it is characterised in that：One end of the driving bent axle (6) is equipped with pump group part I (2), and the other end is equipped with pump group part II
(12), high and low voltage isolation plate (10) is installed, the both ends of the housing (3) pass through end cap I on the outside of the pump group part II (12)
(1) and end cap II (9) encapsulation forms a chamber closed, which will be divided into chamber by the high and low voltage isolation plate (10)
I (18) and chamber II (19), have been respectively communicated with air intake duct (17) and exhaust pipe (11) on two chambers, in the chamber I (18)
Pump group part II (12) on the inside of driving bent axle (6) on be set with economizer (7).
2. built-in economizer formula double-stage compressor according to claim 1, it is characterised in that：It is driven in the housing (3)
Motor stator (4) and motor rotor (5) are installed on dynamic crankshaft (6).
3. built-in economizer formula double-stage compressor according to claim 1, it is characterised in that：The economizer (7) by
Pipe I (16) and pipe II (15) are formed, and the pipe I (16) is internal positioned at pipe II (15), described I (16) both ends of pipe respectively with housing
(3) top connection I (8) is connected with connector II (13).
4. built-in economizer formula double-stage compressor according to claim 3, it is characterised in that：It is inside the pipe I (16)
To be made after primary shut off in the sandwich passage (20) that refrigeration system main circuit refrigerant, the pipe II (15) and pipe I (16) are formed
Cryogen, sandwich passage (20) entrance (21) are connected with the connector III (14) on housing (3), sandwich passage (20) outlet
(22) it is internal in housing (3).
5. built-in economizer formula double-stage compressor according to claim 3, it is characterised in that：The pipe I (16) is general
Siphunculus, bellows, inner helix pipe or outer spiral tube form efficient heat-exchanging pipe.
6. built-in economizer formula double-stage compressor according to claim 1, it is characterised in that：The economizer (7) is
The plate heat exchanger being laminated by circular ring shape or fan-shaped sheet metal.
7. built-in economizer formula double-stage compressor according to claim 6, it is characterised in that：The plate heat exchanger has
Two channels, channel I and channel II are main loop refrigerant in the channel I, both ends respectively with housing (3) top connection I
(8) it is connected with connector II (13), is refrigerant after primary shut off in the channel II, on described II one end of channel and housing (3)
Connector III (14) be connected, it is internal that the other end is opened on housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289959.7U CN207500122U (en) | 2017-10-09 | 2017-10-09 | A kind of built-in economizer formula double-stage compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289959.7U CN207500122U (en) | 2017-10-09 | 2017-10-09 | A kind of built-in economizer formula double-stage compressor |
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| Publication Number | Publication Date |
|---|---|
| CN207500122U true CN207500122U (en) | 2018-06-15 |
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| CN201721289959.7U Active CN207500122U (en) | 2017-10-09 | 2017-10-09 | A kind of built-in economizer formula double-stage compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559195A (en) * | 2017-10-09 | 2018-01-09 | 合肥圣三松冷热技术有限公司 | A kind of built-in economizer formula double-stage compressor |
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2017
- 2017-10-09 CN CN201721289959.7U patent/CN207500122U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559195A (en) * | 2017-10-09 | 2018-01-09 | 合肥圣三松冷热技术有限公司 | A kind of built-in economizer formula double-stage compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Two-stage compressor with built-in economizer Effective date of registration: 20200309 Granted publication date: 20180615 Pledgee: Beijing Jinmao Green Construction Technology Co., Ltd. Pledgor: HEFEI SANSONG HOT AND COLD TECHNOLOGY CO., LTD. Registration number: Y2020980000528 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |