CN206582116U - A kind of refrigeration compressor motor cooling device - Google Patents

A kind of refrigeration compressor motor cooling device Download PDF

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Publication number
CN206582116U
CN206582116U CN201720162571.4U CN201720162571U CN206582116U CN 206582116 U CN206582116 U CN 206582116U CN 201720162571 U CN201720162571 U CN 201720162571U CN 206582116 U CN206582116 U CN 206582116U
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China
Prior art keywords
cooling
rotor
stator
refrigeration compressor
refrigeration
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CN201720162571.4U
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Chinese (zh)
Inventor
宋泽协
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QING'AN GROUP CO Ltd
Qingan Group Co Ltd
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QING'AN GROUP CO Ltd
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Abstract

The utility model patent is related to one kind and is based on stators for refrigeration compressor motor and rotor cooling device, belongs to Compressor Technology field.At present based on vapour compression refrigeration mode, auxiliary equipment is equipped with, particularly with large-scale refrigeration compressor, system bulky complex, power part is more, energy consumption is big, operation and maintenance cost are high.The cycle fluid that cooling system of the present utility model is used is consistent with refrigeration compressor cycle fluid, refrigerant absorbs rotor heat by the gap between stator and rotor and reaches cooling rotor purpose, including evaporator, stator and rotor, the cooling system includes injector, condenser, refrigerant circulation pump, triple valve, choke valve, regenerator, choke valve.Replace traditional compressor to constitute power set, and make full use of rotor heat as injector drive energy, substantially reduce system power dissipation, improve system capacity utilization rate.

Description

A kind of refrigeration compressor motor cooling device
Technical field
The utility model patent is related to one kind and is based on stators for refrigeration compressor motor and rotor cooling device, belongs to compressor Technical field.
Background technology
At present based on vapour compression refrigeration mode, auxiliary equipment is equipped with, particularly with large-scale refrigeration compressor, system is huge Big complicated, power part is more, and energy consumption is big, and operation and maintenance cost are high.
Utility model content
The cycle fluid that cooling system of the present utility model is used is consistent with refrigeration compressor cycle fluid, and refrigerant passes through Gap between stator and rotor absorbs rotor heat and reaches cooling rotor purpose.
Refrigeration compressor motor cooling system of the present utility model, it is cold for carrying out two-way to large-scale refrigeration compressor But, the refrigeration compressor includes evaporator, stator and rotor, and the cooling system includes injector, condenser, refrigerant circulation Pump, triple valve, choke valve, regenerator, choke valve, wherein
Two-way cooling is included to two cooling subsystems of stator and rotor, in the cooling subsystem of stator, evaporator Pipeline be wrapped in stator lateral surface, tube outlet is connected with the first entrance of the injector, and line entry passes through the section Stream valve is connected with the first tube outlet of the regenerator;In the cooling subsystem of rotor, the rotor has refrigerant vapour Entrance and exit, the outlet is connected with the second entrance of the injector, and second pipeline of the entrance and the regenerator goes out Mouth connection;The outlet of the injector is connected with condenser, refrigerant circulation pump and triple valve successively, and the first of the triple valve goes out Mouth is connected with the first line entry of the regenerator, the second outlet of the triple valve and the second line entry of the regenerator Connection.
The cycle fluid of the cooling system and the cycle fluid of refrigeration compressor are consistent, and are applicable each of refrigeration air-conditioner Class refrigeration working medium.
Stator and the evaporator integrated design, the pipeline of evaporator is snakelike to be wrapped in stator lateral surface, and closely pastes It is attached.
The choke valve includes capillary or heating power expansion valve or electric expansion valve.
The condenser is radiated by fan or water-cooling pattern.
Beneficial effect:The utility model patent uses steam jet refrigeration, and substitution traditional compressor constitutes power set, and Make full use of rotor heat as injector drive energy, substantially reduce system power dissipation, improve system capacity utilization Rate.And injector small volume, light weight, reliable, arrangement convenience.The utility model patent can be widely applied to all kinds of Compressor, especially in, large-scale refrigeration compressor, belong to the people, industrial and commercial and military refrigerant compression machine equipment be badly in need of key technology, warp Ji remarkable benefit.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model refrigeration compressor motor cooling system.
Embodiment
Refrigeration compressor motor cooling system of the present utility model, it is cold for carrying out two-way to large-scale refrigeration compressor 1 But, the refrigeration compressor 1 includes evaporator 2, stator 3 and rotor 5, and the cooling system includes injector 4, condenser 7, refrigeration Agent circulating pump 8, triple valve 9, choke valve 10, regenerator 11, choke valve 12, wherein two-way cooling includes to stator 3 and turned In sub 5 two cooling subsystems, the cooling subsystem of stator 3, the pipeline of evaporator 2 is wrapped in stator lateral surface, tube outlet It is connected with the first entrance of the injector 4, line entry passes through the choke valve 12 and the first pipeline of the regenerator 11 Outlet connection;In the cooling subsystem of rotor 5, the rotor 5 have refrigerant vapour entrance and exit, the outlet with it is described The second entrance connection of injector 4, the entrance is connected with the second tube outlet of the regenerator 11;The injector 4 goes out Mouth is connected with condenser 7, refrigerant circulation pump 8 and triple valve 9 successively, the first outlet of the triple valve 9 and the regenerator 11 The connection of the first line entry, the second outlet of the triple valve 9 is connected with the second line entry of the regenerator 11.
The cycle fluid of the cooling system and the cycle fluid of refrigeration compressor are consistent, and are applicable each of refrigeration air-conditioner Class refrigeration working medium.Stator 3 and evaporator 2 integrated design, the pipeline of evaporator 2 is snakelike to be wrapped in stator lateral surface, and It is close to attach.The choke valve 10,12 includes capillary or heating power expansion valve or electric expansion valve.The condenser 7 passes through wind Fan 6 or water-cooling pattern radiating.
In Fig. 1 embodiments, compressor 1 includes stator 3 and rotor 5, and the mix refrigerant come out from injector 4 flows into cold Condenser 7, outwards radiating is changed into liquid refrigerant under the effect of fan 6.Pass through the swabbing action of refrigerant circulation pump 8, liquid refrigeration It is two-way that agent, which flows through 9 points of triple valve,:Throttled all the way through choke valve 10 after decrease temperature and pressure shwoot is gas-liquid mixed state and flow into regenerator 11, absorbing ensures that being changed into overheated gas meets electric-motor rotor of refrigerating compressor to refrigeration after another road high-temperature liquid state refrigerant heat Agent gaseous state and temperature requirement, enter gap between stator and rotor and absorb the continuation rise of rotor heat temperature, be flowed into injection Device is used as working media.Another road refrigerant through over-heat-exchanger 11 to subcooled liquid is changed into after low-temperature refrigerant heat release, in section Stream valve 12 is changed into low-temperature low-pressure refrigerant moist steam under acting on, and is inhaled by the evaporator 2 for winding and being close to the lateral surface of motor stator 3 Receive stator heat and reach cooling motor stator purpose, enter injector as injection medium.Working media is in injector nozzle It is middle to be first depressured speedup, injection medium is entered injector suction chamber, and mixed with injection medium in mixing chamber, after boosting of slowing down Condenser is flowed out to from injector.

Claims (5)

1. a kind of refrigeration compressor motor cooling system, for carrying out two-way cooling, the system to large-scale refrigeration compressor (1) Cold compressor (1) includes evaporator (2), stator (3) and rotor (5), it is characterised in that:The cooling system include injector (4), Condenser (7), refrigerant circulation pump (8), triple valve (9), choke valve (10), regenerator (11), choke valve (12), wherein
Two-way cooling is included to (5) two cooling subsystems of stator (3) and rotor, in the cooling subsystem of stator (3), steaming The pipeline of hair device (2) is wrapped in stator lateral surface, and tube outlet is connected with the first entrance of the injector (4), line entry It is connected by the choke valve (12) with the first tube outlet of the regenerator (11);In the cooling subsystem of rotor (5), institute Stating rotor (5) has the entrance and exit of refrigerant vapour, and the outlet is connected with the second entrance of the injector (4), and this enters Mouth is connected with the second tube outlet of the regenerator (11);The outlet of the injector (4) successively with condenser (7), refrigeration Agent circulating pump (8) and triple valve (9) connection, the first outlet and the first pipeline of the regenerator (11) of the triple valve (9) enter Mouth connection, the second outlet of the triple valve (9) is connected with the second line entry of the regenerator (11).
2. refrigeration compressor motor cooling system according to claim 1, it is characterised in that:The circulation industrial of the cooling system The cycle fluid of matter and refrigeration compressor is consistent, and is applicable all kinds of refrigeration working mediums of refrigeration air-conditioner.
3. refrigeration compressor motor cooling system according to claim 1, it is characterised in that:The stator (3) and evaporation Device (2) integrated design, the pipeline of evaporator (2) is snakelike to be wrapped in stator lateral surface, and closely attaches.
4. refrigeration compressor motor cooling system according to claim 1, it is characterised in that:The choke valve (10,12) Including capillary or heating power expansion valve or electric expansion valve.
5. refrigeration compressor motor cooling system according to claim 1, it is characterised in that:The condenser (7) passes through Fan (6) or water-cooling pattern radiating.
CN201720162571.4U 2017-02-22 2017-02-22 A kind of refrigeration compressor motor cooling device Active CN206582116U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720162571.4U CN206582116U (en) 2017-02-22 2017-02-22 A kind of refrigeration compressor motor cooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720162571.4U CN206582116U (en) 2017-02-22 2017-02-22 A kind of refrigeration compressor motor cooling device

Publications (1)

Publication Number Publication Date
CN206582116U true CN206582116U (en) 2017-10-24

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Family Applications (1)

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CN201720162571.4U Active CN206582116U (en) 2017-02-22 2017-02-22 A kind of refrigeration compressor motor cooling device

Country Status (1)

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CN (1) CN206582116U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110017631A (en) * 2019-04-03 2019-07-16 庆安集团有限公司 A kind of cooling device and its refrigeration system for compressor electric motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110017631A (en) * 2019-04-03 2019-07-16 庆安集团有限公司 A kind of cooling device and its refrigeration system for compressor electric motor
CN110017631B (en) * 2019-04-03 2021-08-03 庆安集团有限公司 Cooling device for compressor motor and refrigerating system thereof

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