CN207246078U - A kind of centrifugal compressor of cooling device - Google Patents
A kind of centrifugal compressor of cooling device Download PDFInfo
- Publication number
- CN207246078U CN207246078U CN201721048537.0U CN201721048537U CN207246078U CN 207246078 U CN207246078 U CN 207246078U CN 201721048537 U CN201721048537 U CN 201721048537U CN 207246078 U CN207246078 U CN 207246078U
- Authority
- CN
- China
- Prior art keywords
- discharge chambe
- impeller
- main shaft
- evaporator
- cooling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 12
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
It the utility model is related to a kind of centrifugal compressor of cooling device,Including compressor casing,Motor,Evaporator and condenser,The first discharge chambe is equipped with compressor casing,Second discharge chambe and drive chamber,Evaporator is two,The air inlet of first discharge chambe is connected by gas piping with one of evaporator,The air inlet of second discharge chambe is connected by gas piping with another evaporator,First discharge chambe,The gas outlet of second discharge chambe is connected with condenser,First impeller is installed in the first discharge chambe,Second impeller is installed in the second discharge chambe,The drive chamber is provided with main shaft and driving gear,The both ends of main shaft are extended respectively in the first discharge chambe and the second discharge chambe,First impeller and the second impeller are separately fixed at the both ends of main shaft,Main shaft is equipped with speed increasing gear,Speed increasing gear coordinates with driving gear,The axle center of driving gear is connected with motor.The utility model gas compression is efficient, and refrigeration plant still can normal operation after one of discharge chambe damage.
Description
Technical field
Compressor is the utility model is related to, more particularly to a kind of centrifugal compressor.
Background technology
Centrifugal compressor is a kind of blade rotary compressor, and in centrifugal compressor, high-speed rotating impeller is given
Give the centrifugal force of gas to act on, and the diffusion action of gas is given in diffusion passage, be improved gas pressure, be system
The heart of cooling system.
A kind of special " centrifugal compressor " (Application No. of the earlier application of the applicant：201420571762.2), propose
A kind of centrifugal compressor, including rack, compressor casing, motor, the compressor casing and motor are installed in rack, described
Compressor casing is equipped with air inlet pipe and air outlet pipe, and the first discharge chambe, the second discharge chambe and drive chamber are equipped with the compressor casing,
Air duct is equipped between first discharge chambe and the second discharge chambe, the import of first discharge chambe connects air inlet pipe, the
The gas outlet of one discharge chambe connects the air inlet of the second discharge chambe, the gas outlet connection of second discharge chambe by air duct
Air outlet pipe, second discharge chambe are equipped with auxilairy air intake, and first order impeller, the second pressure are provided with first discharge chambe
Contracting room is provided with second level impeller, and main shaft is provided with the drive chamber.The utility model directly drives the first pressure by motor
The impeller of contracting machine and the second compressor rotates at a high speed, so that the utility model has the characteristics that monnolithic case is small, light-weight.
The first discharge chambe and the second discharge chambe of above-mentioned patent are connected by air duct, and refrigerant gas passes through
Compression forms the gas of high temperature and pressure twice, when one of discharge chambe breaks down, it will influence whole compressibility, cause
Refrigeration plant can not normal operation.
Utility model content
The purpose of this utility model is that being directed to problems of the prior art, it is more rational cold to be related to a kind of structure
But the centrifugal compressor of equipment.
For the attainment of one's purpose, technical solution provided by the utility model is：
A kind of centrifugal compressor for the cooling device that the utility model is related to, including rack, compressor casing, motor and steaming
Device is sent out, is equipped with condenser in rack, compressor casing, motor and evaporator are each attached to the outside of rack, it is characterised in that：It is described
Compressor casing in be equipped with the first discharge chambe, the second discharge chambe and drive chamber, the evaporator is two, the first discharge chambe
Air inlet is connected by gas piping with one of evaporator, and the air inlet of the second discharge chambe passes through gas piping and another
Evaporator connects, and the first discharge chambe, the gas outlet of the second discharge chambe are connected with condenser, and first is provided with the first discharge chambe
Impeller, the second impeller is provided with the second discharge chambe, and the drive chamber is provided with main shaft and driving gear, the both ends point of main shaft
Do not extend in the first discharge chambe and the second discharge chambe, the first impeller and the second impeller are separately fixed at the both ends of main shaft, main shaft
Speed increasing gear is equipped with, speed increasing gear coordinates with driving gear, and the axle center of driving gear is connected with motor；The two of the main shaft
End is equipped with external screw thread, and the first impeller is set in the left end of main shaft, and the second impeller is set in the right end of main shaft, the first impeller and second
Several centre holes according to circumference are equipped with impeller, are equipped with the right side of the left side of the first impeller and the second impeller
Thimble, thimble is inserted into the centre hole of the first impeller and the second impeller, and is fixed by fastening nut, and fastening nut inner ring is equipped with
With the matched internal thread of external screw thread at main shaft both ends.
Preferably, the air inlet for being used for adjusting flow is equipped with the air inlet of first discharge chambe and the second discharge chambe
Valve.
Preferably, the condenser is connected by pipeline with expansion valve, and expansion valve is connected by pipeline and two evaporators
It is logical, form the circuit of condensing agent.
Preferably, the gas outlet position of first discharge chambe and the second discharge chambe is equipped with pressure sensor and temperature sensing
Device.
Using technical solution provided by the utility model, compared with prior art, have the advantages that：
The first discharge chambe and the second discharge chambe of the centrifugal compressor for the cooling device that the utility model is related to are opposite
Independent, both are sent in condenser after being compressed respectively to the coolant gas in its corresponding evaporator, realize refrigeration
Purpose, therefore its compression efficiency higher；And when one of discharge chambe breaks down, another discharge chambe can do as usual work
Make, avoid whole refrigeration plant from being stopped.
Brief description of the drawings
Fig. 1 is the structure diagram of the centrifugal compressor of the utility model cooling device；
Fig. 2 is the profile of the utility model compressor casing；
Fig. 3 is the utility model main shaft and the first impeller, the connection structure diagram of the second impeller；
Fig. 4 is the side view of the first impeller or the second impeller；
Fig. 5 is the structure diagram of thimble.
Illustrate：1 rack, 2 compressor casings, 3 motors, 4 evaporators, 5 expansion valves, 21 first discharge chambes, 22 second pressures
Contracting room, 23 drive chamber, 24 first impellers, 25 second impellers, 26 main shafts, 27 speed increasing gears, 28 driving gears, 29 thimbles, 30 spiral shells
Mother, 251 centre holes, 291 substrates, 292 thimble bodies.
Embodiment
To further appreciate that the content of the utility model, the utility model is described in detail in conjunction with the embodiments, it is real below
Apply example to be used to illustrate the utility model, but be not intended to limit the scope of the present invention.
With reference to shown in attached drawing 1, a kind of centrifugal compressor for the cooling device that the utility model is related to, including rack 1, pressure
Contracting cabinet 2, motor 3, evaporator 4 and expansion valve 5, are equipped with condenser (not marked in figure) in rack, compressor casing 2, motor 3,
Evaporator 4 and expansion valve 5 are each attached to the outside of rack, and the evaporator 4 is two.
With reference to shown in attached drawing 2, the first discharge chambe 21, the second discharge chambe 22 and drive chamber are equipped with the compressor casing 2
23, the air inlet of the first discharge chambe 21 is connected by gas piping with the evaporator 4 in left side, and the air inlet of the second discharge chambe 22 leads to
Gas piping to be crossed to connect with the evaporator 4 on right side, the first discharge chambe, the gas outlet of the second discharge chambe are connected with condenser, the
The intake valve (not marked in figure) for being used for adjusting flow, the first pressure are equipped with the air inlet of one discharge chambe 21 and the second discharge chambe 22
The gas outlet position of 21 and second discharge chambe 22 of contracting room is equipped with pressure sensor (not marked in figure) and temperature sensor (in figure not
Mark).
First impeller 24 is installed in first discharge chambe 21, the second impeller 25 is installed in second discharge chambe 22.Described
Main shaft 26 and driving gear 28 are installed, the both ends of main shaft 26 extend respectively to the first discharge chambe 21 and the second pressure in drive chamber 23
In contracting room 22, with reference to shown in attached drawing 2,3, the first impeller 24 and the second impeller 25 are separately fixed at the both ends of main shaft 26, on main shaft
Equipped with speed increasing gear 27, speed increasing gear 27 coordinates with driving gear 28, and the axle center 28 of driving gear is connected with motor 3.Described
The both ends of main shaft 26 are equipped with external screw thread 261, and the first impeller 24 is set in the left end of main shaft, and the second impeller 25 is set in the right side of main shaft
End, with reference to shown in attached drawing 4, is equipped with several centre holes 251 according to circumference on the first impeller and the second impeller, and first
Thimble 29 is equipped with the right side of the left side of impeller and the second impeller, the structure of thimble is as shown in figure 5, it includes 291 He of substrate
Thimble body 292 corresponding with centre hole 251, thimble body are inserted into centre hole.And fixed by the fastening nut 30 of both sides,
30 inner ring of fastening nut is equipped with the 261 matched internal thread of external screw thread with main shaft both ends.
With reference to shown in attached drawing 1, the condenser is connected by pipeline with expansion valve 5, and expansion valve 5 passes through pipeline and two
Evaporator 4 connects, and forms the circuit of condensing agent.
The heat that freon refrigerator evaporates absorption refrigerating medium water in evaporator freezes, the fluorine profit after evaporation endothermic
High damp steam is compressed into high temperature and high pressure gas by the first discharge chambe and the second discharge chambe, becomes liquid after water cooled condenser condensation
Body, the expanded valve throttling of freon liquid enter evaporator and recycle.Under normal circumstances, the first discharge chambe and the second discharge chambe are total to
Same operation, is compressed freon damp steam, and the gas of high temperature and pressure is transported in water-cooled condenser at the same time, it is compressed
The compression efficiency higher of the compressor casing of the more single discharge chambe of efficiency.It is meanwhile another after one of discharge chambe breaks down
A discharge chambe works as usual, although compression efficiency decreases, whole condensing plant can't be caused to paralyse, reduce loss.
The utility model is described in detail above in association with embodiment, but the content be only the utility model compared with
Good embodiment, it is impossible to be construed as limiting the scope of the utility model.It is made according to the scope of application of this utility model
All the changes and improvements etc., should all still fall within the patent covering scope of the utility model.
Claims (4)
1. a kind of centrifugal compressor of cooling device, including rack, compressor casing, motor and evaporator, rack is interior equipped with cold
Condenser, compressor casing, motor and evaporator are each attached to the outside of rack, it is characterised in that：It is equipped with the compressor casing
First discharge chambe, the second discharge chambe and drive chamber, the evaporator are two, and the air inlet of the first discharge chambe passes through flue
Road is connected with one of evaporator, and the air inlet of the second discharge chambe is connected by gas piping with another evaporator, and first
Discharge chambe, the gas outlet of the second discharge chambe are connected with condenser, and the first impeller, the second discharge chambe are provided with the first discharge chambe
Second impeller is inside installed, the drive chamber is provided with main shaft and driving gear, and the both ends of main shaft extend respectively to the first pressure
In contracting room and the second discharge chambe, the first impeller and the second impeller are separately fixed at the both ends of main shaft, and main shaft is equipped with speed increasing gear,
Speed increasing gear coordinates with driving gear, and the axle center of driving gear is connected with motor；The both ends of the main shaft are equipped with external screw thread, the
One impeller is set in the left end of main shaft, and the second impeller is set in the right end of main shaft, if being equipped with the first impeller and the second impeller
A centre hole according to circumference is done, thimble, thimble insertion are equipped with the right side of the left side of the first impeller and the second impeller
In the centre hole of first impeller and the second impeller, and fixed by fastening nut, fastening nut inner ring is equipped with and main shaft both ends
The matched internal thread of external screw thread.
2. the centrifugal compressor of cooling device according to claim 1, it is characterised in that：First discharge chambe and
The intake valve for being used for adjusting flow is equipped with the air inlet of second discharge chambe.
3. the centrifugal compressor of cooling device according to claim 1, it is characterised in that：The condenser passes through pipe
Road is connected with expansion valve, and expansion valve is connected by pipeline with two evaporators, forms the circuit of condensing agent.
4. the centrifugal compressor of cooling device according to claim 1, it is characterised in that：First discharge chambe and
The gas outlet position of two discharge chambes is equipped with pressure sensor and temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048537.0U CN207246078U (en) | 2017-08-21 | 2017-08-21 | A kind of centrifugal compressor of cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048537.0U CN207246078U (en) | 2017-08-21 | 2017-08-21 | A kind of centrifugal compressor of cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246078U true CN207246078U (en) | 2018-04-17 |
Family
ID=61882193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721048537.0U Expired - Fee Related CN207246078U (en) | 2017-08-21 | 2017-08-21 | A kind of centrifugal compressor of cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246078U (en) |
-
2017
- 2017-08-21 CN CN201721048537.0U patent/CN207246078U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20200821 |