CN211259055U - Vapor compressor and air conditioning unit - Google Patents
Vapor compressor and air conditioning unit Download PDFInfo
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- CN211259055U CN211259055U CN201922208986.2U CN201922208986U CN211259055U CN 211259055 U CN211259055 U CN 211259055U CN 201922208986 U CN201922208986 U CN 201922208986U CN 211259055 U CN211259055 U CN 211259055U
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- compressor
- water vapor
- vapor compressor
- compression
- compression mechanism
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 86
- 238000007906 compression Methods 0.000 claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- 230000001502 supplementing effect Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 2
- 238000010977 unit operation Methods 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a vapor compressor and air conditioning unit. The vapor compressor comprises a compression cavity and a water cooling system, wherein the compression cavity is provided with an air supplementing port, the water cooling system is provided with a cooling water vapor outlet, and the cooling water vapor outlet is communicated with the air supplementing port through an air supplementing channel. The utility model provides a vapor compressor and air conditioning unit, will cool off the motor and the microthermal cooling water vapor that produces causes the compression intracavity portion, can utilize cooling water vapor to cool off one-level compression mechanism's exhaust, thereby reduce second grade compression mechanism's the temperature of breathing in, the consumption of second grade compression mechanism also becomes lower under the condition that reaches the same refrigerating output, guarantee the best efficiency of compression mechanism work output, with the further improvement of compression mechanism efficiency, thereby make vapor compressor's performance also obtain promoting, and then improve the efficiency of air conditioning unit operation.
Description
Technical Field
The utility model relates to a compression equipment cooling technology field, especially a vapor compressor and air conditioning unit.
Background
The water vapor compressor is a compressor adopting a relatively special medium, the basic principle is consistent with that of the traditional compressor, and the inlet air temperature of the secondary compression can be reduced to a certain degree by mixing flash steam (refrigerant in a vapor-liquid mixed state) separated from a flash evaporator with exhaust air from the low-stage compression (generally, the primary compression), so that the specific volume of refrigerant gas is reduced, and the energy consumption of the compressor is reduced. Only in the concrete implementation process, the influence of intermediate pressure is utilized, the temperature reduction amplitude of the air supply mode is limited, at the moment, the mixed refrigerant still has high superheat degree, does not reach or approach an ideal dry saturation state, the superheat loss is still serious, and the air inlet temperature of the secondary compression and the energy consumption of the compressor still have a large space for reducing.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the compressor has high energy consumption due to the fact that the range of temperature reduction of primary compressed exhaust gas by air supplement of a flash tank is limited in the prior art, the steam compressor and the air conditioning unit are provided, wherein steam formed by cooling a motor is mixed with the primary compressed exhaust gas to effectively reduce the suction temperature of secondary compression.
The utility model provides a vapor compressor, includes compression chamber and water cooling system, be provided with the tonifying qi mouth on the compression chamber, the last cooling water vapor outlet that is provided with of water cooling system, cooling water vapor outlet with the tonifying qi mouth passes through tonifying qi passageway intercommunication.
The compression chamber still is provided with one-level compression mechanism and second grade compression mechanism, one-level compression mechanism with second grade compression mechanism follows the axis direction of compressor shaft sets gradually, just the tonifying qi mouth set up in one-level compression mechanism with between the second grade compression mechanism.
The air supplementing channel is provided with an electromagnetic valve, and the opening degree of the electromagnetic valve is in direct proportion to the load of the water vapor compressor.
The water vapor compressor is set with a preset load value, and when the load of the water vapor compressor reaches the preset load value, the opening degree of the electromagnetic valve is at the maximum value.
The water vapor compressor also comprises a motor, and the water cooling system is arranged at the motor and exchanges heat with the motor.
The compressor is characterized in that a compressor rotating shaft is arranged in the compression cavity, the compressor rotating shaft is arranged in the compression cavity, and one end of the compressor rotating shaft protrudes out of the compression cavity and is directly connected with an output shaft of the motor or in transmission connection with the output shaft of the motor.
The first-stage compression mechanism and the second-stage compression mechanism are impellers.
The vapor compressor further comprises a compressor base, the compression cavity is formed in the compressor base, and the compressor rotating shaft and the compressor base are sealed through comb teeth.
The vapor compressor further comprises a supporting sleeve, the supporting sleeve is sleeved on the rotating shaft of the compressor, one end of the supporting sleeve is abutted to the first-stage compression mechanism, and the other end of the supporting sleeve is abutted to the second-stage compression mechanism.
An air conditioning unit comprises the water vapor compressor.
The utility model provides a vapor compressor and air conditioning unit, will cool off the motor and the microthermal cooling water vapor that produces leads to inside the compression chamber, thereby effectual reduction compression intracavity gas temperature, and set up the tonifying qi mouth between one-level compression mechanism and second grade compression mechanism, can utilize cooling water vapor to cool off one-level compression mechanism's exhaust, thereby reduce second grade compression mechanism's the temperature of breathing in, second grade compression mechanism's consumption also becomes lower under the condition that reaches the same refrigeration capacity, with further improvement of compression mechanism efficiency, thereby make vapor compressor's performance also obtain promoting, and then improve the efficiency of air conditioning unit operation.
Drawings
Fig. 1 is a schematic structural view of a vapor compressor according to an embodiment of the present invention;
in the figure:
1. a compression chamber; 11. an air supplement port; 2. a water cooling system; 21. a cooling water vapor outlet; 3. a gas supply channel; 4. an electromagnetic valve; 5. a motor; 6. a first stage compression mechanism; 7. a two-stage compression mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The vapor compressor shown in figure 1 comprises a compression cavity 1 and a water cooling system 2, wherein an air supplementing port 11 is formed in the compression cavity 1, a cooling water vapor outlet 21 is formed in the water cooling system 2, the cooling water vapor outlet 21 is communicated with the air supplementing port 11 through an air supplementing channel 3, the problem that refrigerant (vapor) in the compression cavity 1 cannot be fully cooled by air supplementing of the flash tank in order to overcome the defect that the air supplementing of the flash tank in the prior art cannot be performed, low-temperature cooling water vapor generated after cooling a set structure is introduced into the compression cavity 1 to be supplemented with air in the application, the gas temperature in the compression cavity 1 is effectively reduced, the efficiency of the vapor compressor is improved, and the performance of the vapor compressor is improved.
The compression cavity 1 is also provided with a first-stage compression mechanism 6 and a second-stage compression mechanism 7, the first-stage compression mechanism 6 and the second-stage compression mechanism 7 are sequentially arranged along the axial direction of the compressor rotating shaft, and the gas replenishing port 11 is provided between the first-stage compression mechanism 6 and the second-stage compression mechanism 7, and is capable of mixing the gas replenishing with the discharge gas of the first-stage compression mechanism 6, thereby reducing the suction temperature of the secondary compression mechanism 7, reducing the suction superheat degree of the secondary compression mechanism 7, improving the work efficiency of the vapor compressor, the power consumption of the two-stage compression mechanism 7 is lower under the condition of achieving the same refrigerating capacity, the best energy efficiency of the work output of the two-stage compression mechanism 7 is guaranteed, the efficiency is further improved, and therefore the performance of the water vapor compressor is improved.
The air make-up channel 3 is provided with an electromagnetic valve 4, and the opening degree of the electromagnetic valve 4 is in direct proportion to the load of the water vapor compressor, that is, when the load of the water vapor compressor is large, the opening degree of the electromagnetic valve 4 is large, and when the load of the water vapor compressor is small, the opening degree of the electromagnetic valve 4 is small, and the specific description is as follows:
when the water vapor compressor operates under the working condition of large load, the output power of the motor is very high, the rotating speed of the rotating shaft of the compressor is also very high, the heat productivity of the motor and the temperature of compressed gas at the moment are very high, the temperature of water vapor output after the motor is cooled is also higher, so that when the temperature of the water vapor subjected to re-cooling is higher, more cooling amount needing air supplement is needed, the electromagnetic valve 4 is opened fully, more water vapor for cooling enters the compression cavity 1 through the air supplement channel 3, the refrigerant in the compression cavity 1 is effectively cooled, the performance of the water vapor compressor is further improved, namely the water vapor compressor is set with a preset load value, and when the load of the water vapor compressor reaches the preset load value, the opening degree of the electromagnetic valve 4 is at the maximum value.
When the water vapor compressor operates under the working condition of medium load, the output power of the motor is not high, the rotating speed of the rotating shaft of the compressor is not high, the heat productivity of the motor and the temperature of compressed gas are both in a medium level at the moment, the temperature is not too high, the water vapor output after the motor is cooled is not heated too much, and the water vapor compressor still has good cooling capacity. At this moment, the cooling capacity needing air supplement does not need too much, the electromagnetic valve 4 keeps a normal and proper opening degree, and a certain amount of water vapor for cooling is ensured to enter the compression cavity 1 through the air supplement channel 3 and the compressor base for cooling.
When the water vapor compressor operates under the working condition of small load, the output power of the motor is very low, the rotating speed of the rotating shaft of the compressor is also very low, the heat productivity of the motor is small at the moment, the temperature of the compressed gas is low, the water vapor output after the motor is cooled does not have too much temperature rise basically, and the water vapor compressor still has very good recooling capacity. At this moment, because the temperature of the compressed gas is not high, the cooling amount required for air supplement is small, and the electromagnetic valve 4 keeps a small opening, so that the refrigerant in the compression cavity 1 can be ensured to have a good cooling effect, the working efficiency of the compressor is improved, and the performance of the water vapor compressor is further improved.
The vapor compressor further comprises a motor 5, the water cooling system 2 is arranged at the motor 5 and exchanges heat with the motor 5, and heat generated in the working process of the motor 5 is utilized to exchange heat with the water cooling system 2, so that the water cooling system 2 generates cooling water vapor, and meanwhile, the purpose of cooling the motor 5 is achieved.
The compressor is characterized in that a compressor rotating shaft is arranged in the compression cavity 1, the compressor rotating shaft is arranged in the compression cavity 1, one end of the compressor rotating shaft protrudes out of the compression cavity 1 and an output shaft of the motor 5 are directly connected or in transmission connection, preferably, the compressor rotating shaft is connected with the output shaft of the motor 5 through a coupler.
Wherein the quantity of tonifying qi mouth 11 can be one, also can be a plurality of, when the quantity of tonifying qi mouth 11 was a plurality of, guaranteed the volume of the cooling water vapor that gets into in the compression chamber 1, guaranteed refrigerated validity and homogeneity simultaneously, increased cooling efficiency.
The first-stage compression mechanism 6 and the second-stage compression mechanism 7 are impellers.
The vapor compressor further comprises a compressor base, the compression cavity 1 is formed in the compressor base, the compressor rotating shaft is sealed with the compressor base through comb teeth, and the relative sealing of the compression cavity 1 is guaranteed.
The vapor compressor also comprises a supporting sleeve, the supporting sleeve is sleeved on the rotating shaft of the compressor, one end of the supporting sleeve is abutted to the first-stage compression mechanism 6, and the other end of the supporting sleeve is abutted to the second-stage compression mechanism 7, so that the first-stage compression mechanism 6 and the second-stage compression mechanism 7 are positioned relatively.
An air conditioning unit comprises the water vapor compressor.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A water vapor compressor, characterized by: including compression chamber (1) and water cooling system (2), vapor compressor be provided with tonifying qi mouth (11) of compression chamber (1) intercommunication, water cooling system (2) are last to be provided with cooling water vapor outlet (21), cooling water vapor outlet (21) with tonifying qi mouth (11) are through tonifying qi passageway (3) intercommunication.
2. The water vapor compressor as set forth in claim 1, wherein: compression chamber (1) still is provided with one-level compressing mechanism (6) and second grade compressing mechanism (7), one-level compressing mechanism (6) with second grade compressing mechanism (7) are followed the axis direction of compressor shaft sets gradually, just tonifying qi mouth (11) set up in one-level compressing mechanism (6) with between the second grade compressing mechanism (7).
3. A water vapor compressor as set forth in claim 2 wherein: an electromagnetic valve (4) is arranged on the air supplementing channel (3), and the opening degree of the electromagnetic valve (4) is in direct proportion to the load of the water vapor compressor.
4. A water vapor compressor as set forth in claim 3 wherein: the water vapor compressor is set with a preset load value, and when the load of the water vapor compressor reaches the preset load value, the opening degree of the electromagnetic valve (4) is at the maximum value.
5. A water vapor compressor as set forth in claim 2 wherein: the water vapor compressor further comprises a motor (5), and the water cooling system (2) is arranged at the motor (5) and exchanges heat with the motor (5).
6. The water vapor compressor as recited in claim 5, wherein: the compressor is characterized in that a compressor rotating shaft is arranged in the compression cavity (1), the compressor rotating shaft is arranged in the compression cavity (1), and one end of the compressor rotating shaft protrudes out of the compression cavity (1) and is directly connected with an output shaft of the motor (5) or is in transmission connection with the output shaft of the motor.
7. A water vapor compressor as set forth in claim 2 wherein: the first-stage compression mechanism (6) and the second-stage compression mechanism (7) are impellers.
8. The water vapor compressor as set forth in claim 1, wherein: the water vapor compressor further comprises a compressor base, the compression cavity (1) is formed in the compressor base, and the compressor rotating shaft and the compressor base are sealed through comb teeth.
9. A water vapor compressor as set forth in claim 2 wherein: the vapor compressor further comprises a supporting sleeve, the supporting sleeve is sleeved on the rotating shaft of the compressor, one end of the supporting sleeve is abutted to the first-stage compression mechanism (6), and the other end of the supporting sleeve is abutted to the second-stage compression mechanism (7).
10. An air conditioning unit, its characterized in that: comprising a water vapor compressor as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922208986.2U CN211259055U (en) | 2019-12-10 | 2019-12-10 | Vapor compressor and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922208986.2U CN211259055U (en) | 2019-12-10 | 2019-12-10 | Vapor compressor and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259055U true CN211259055U (en) | 2020-08-14 |
Family
ID=71988744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922208986.2U Active CN211259055U (en) | 2019-12-10 | 2019-12-10 | Vapor compressor and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211259055U (en) |
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2019
- 2019-12-10 CN CN201922208986.2U patent/CN211259055U/en active Active
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