CN107560041A - Handpiece Water Chilling Units - Google Patents
Handpiece Water Chilling Units Download PDFInfo
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- CN107560041A CN107560041A CN201710823746.6A CN201710823746A CN107560041A CN 107560041 A CN107560041 A CN 107560041A CN 201710823746 A CN201710823746 A CN 201710823746A CN 107560041 A CN107560041 A CN 107560041A
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- compression mechanism
- water chilling
- chilling units
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Abstract
The invention discloses a kind of handpiece Water Chilling Units, including：Compressor, compressor includes housing, the first compression mechanism, the second compression mechanism and electric machine assembly, first gas outlet of the first compression mechanism is connected with the second air inlet of the second compression mechanism by blowdown pipe, closed chamber is limited in housing, electric machine assembly is located in chamber, heat exchange runner is provided with chamber, the air inlet and gas outlet, gas outlet on housing with connection heat exchange runner connect with blowdown pipe；Condenser；Economizer, economizer have import, gas vent and liquid outlet, and import connects with the other end of condenser, and gas vent passes through the first pipeline communication with air inlet；Evaporator.According to the handpiece Water Chilling Units of the present invention, it can not only play a part of cooling to electric machine assembly, the efficiency of handpiece Water Chilling Units can also be improved, improve the safety and reliability of compressor operating.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly, to a kind of handpiece Water Chilling Units.
Background technology
In order to obtain higher centrifugal refrigerating machines efficiency, gradually start to use Two-stage Compression centrifugal compressor.Pressure
Contracting machine is in order to realize compact structure and good sealing, and industry is mainly using semiclosed or totally-enclosed centrifugal compressor knot
The closing housing group that structure, its motor stator and rotor are formed by compressor and motor housing is wrapped up.The stator of motor and turn
Son cooling realizes that refrigerant is realized by the pipe-line system outside a set of compressor by refrigerant flowing.Traditional motor is cold
But system design is to take liquid from condenser bottom, and by interior on the pipeline and electric machine casing between condenser and electric machine casing
The hole (or runner) of outer insertion, the chamber for making refrigerant flow into where electric machine casing internal stator and rotor, chamber is interior to be provided with system
Cryogen flows and the runner of heat exchange, and then refrigerant is flowed out by through hole (or runner) other on electric machine casing, and is passed through
Pipeline between electric machine casing and evaporator is discharged into evaporator.
But traditional electromotor cooling system, refrigerant are often gone out using the Differential pressure flow between condenser and evaporator
The situation of existing transition feed flow, causes inner cavity of motor shell room liquid excessive.In addition, though inner cavity of motor shell room temperature is than evaporation temperature
Spend slightly higher but still relatively low, cause electric machine casing surface and terminal portions easily to condense, increase the difficulty of INSULATION DESIGN.This
Outside, easily aggregation impurity, therefore also need to set filter on this section of pipeline in the refrigerant liquid of condenser bottom.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention proposes a kind of system
Cold group, the refrigeration unit have the advantages of being easy to electric machine assembly to cool, unit efficiency is high.
Handpiece Water Chilling Units according to embodiments of the present invention, including：Compressor, the compressor include housing, the first compressor
Structure, the second compression mechanism and electric machine assembly, first compression mechanism and second compression mechanism are located in the housing, institute
Stating the first compression mechanism has the first compression chamber, and first compression chamber has the first air inlet and the first gas outlet, and described
Two compression mechanisms have the second compression chamber, and second compression chamber has the second air inlet and the second gas outlet, and described first goes out
Gas port is connected with second air inlet by blowdown pipe, and closed chamber, the electric machine assembly position are limited in the housing
In in the chamber, heat exchange runner is provided with the chamber, have on the housing connect the air inlet of the heat exchange runner with
Gas outlet, the gas outlet connect with the blowdown pipe；Condenser, one end of the condenser connect with second gas outlet
It is logical；Economizer, the economizer have import, gas vent and liquid outlet, the import and the other end of the condenser
Connection, the gas vent pass through the first pipeline communication with the air inlet；Evaporator, one end of the evaporator and the liquid
Body outlet, the other end of the evaporator connect with first air inlet.
Handpiece Water Chilling Units according to embodiments of the present invention, by making the gas vent of economizer pass through on the first pipeline and housing
Air inlet connection, and connect the blowdown pipe between the gas outlet on housing and the first gas outlet and the second air inlet, can be with
The steam for coming out economizer gas vent is introduced into the heat exchange runner in chamber, is then entered back into the second compression chamber and is carried out
Compression, it can not only play a part of cooling to electric machine assembly, the efficiency of handpiece Water Chilling Units can also be improved, improve compressor operating
Safety and reliability.
According to some embodiments of the present invention, second pipe is provided between the gas vent and the blowdown pipe.
In some embodiments of the present invention, the second pipe is provided with current-limiting apparatus.
In some embodiments of the present invention, the current-limiting apparatus is electrically operated valve.
According to some embodiments of the present invention, first compression mechanism and second compression mechanism are located at the housing
Both ends, first compression mechanism, second compression mechanism and the housing limit the chamber.
According to some embodiments of the present invention, the heat exchange runner is a plurality of.
In some embodiments of the present invention, the heat exchange runner be located at the stator of the electric machine assembly and the housing it
Between, between the rotor and stator of the electric machine assembly in it is at least one in.
According to some embodiments of the present invention, between the condenser and the economizer, the economizer and the steaming
At least one throttling arrangement is provided between hair device.
In some embodiments of the present invention, the throttling arrangement is restricting orifice, capillary or electric expansion valve.
According to some embodiments of the present invention, first pipeline is provided with the magnetic valve for being used for controlling its break-make.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structural representation of handpiece Water Chilling Units according to embodiments of the present invention；
Fig. 2 is the structural representation of handpiece Water Chilling Units according to embodiments of the present invention.
Reference：
Handpiece Water Chilling Units 100,
Compressor 1, housing 11, air inlet 111, gas outlet 112,
First compression mechanism 12, the first air inlet 121, the first gas outlet 122,
Second compression mechanism 13, the second air inlet 131, the second gas outlet 132, blowdown pipe 133,
Electric machine assembly 14, stator 141, rotor 142,
Chamber 15,
Condenser 2, economizer 3, the first pipeline 31, magnetic valve 311, second pipe 32, current-limiting apparatus 321, import 33, gas
Body outlet 34, liquid outlet 35,
Evaporator 4, throttling arrangement 5, microcomputer cabinet 6.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that the orientation or position of the instruction such as term " interior ", " outer ", " circumference "
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, without referring to
Show or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.In addition, define " first ", the feature of " second " can express or implicitly include one or
More this feature of person.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Handpiece Water Chilling Units 100 according to embodiments of the present invention are described below with reference to Fig. 1 and Fig. 2.
As depicted in figs. 1 and 2, handpiece Water Chilling Units 100 according to embodiments of the present invention, including compressor 1, condenser 2, economy
Device 3 and evaporator 4.
Specifically, compressor 1 includes housing 11, the first compression mechanism 12, the second compression mechanism 13 and electric machine assembly 14.
It should be noted that compressor 1 can also include the 3rd compression mechanism and the 4th compression mechanism etc., it is not limited here.
First compression mechanism 12 and the second compression mechanism 13 are located in housing 11, and the first compression mechanism 12 has the first compression
Chamber, the first compression chamber have the first air inlet 121 and the first gas outlet 122, and the second compression mechanism 13 has the second compression chamber, the
Two compression chambers have the second air inlet 131 and the second gas outlet 132, and the first gas outlet 122 and the second air inlet 131 pass through tonifying Qi
Pipe 133 is connected, and closed chamber 15 is limited in housing 11, and electric machine assembly 14 is located in chamber 15, and heat exchange is provided with chamber 15
Runner (not shown), there is air inlet 111 and gas outlet 112, gas outlet 112 and the tonifying Qi of connection heat exchange runner on housing 11
Pipe 133 connects.
One end of condenser 2 connects with the second gas outlet 132, and economizer 3 has import 33, gas vent 34 and liquid discharge
Mouth 35, import 33 is connected with the other end of condenser 2, and gas vent 34 is connected with air inlet 111 by the first pipeline 31, evaporation
One end of device 4 connects with liquid outlet 35, and the other end of evaporator 4 connects with the first air inlet 121.
Steam in economizer 3 is largely gaseous state, and very small amount is liquid, and the steam inside economizer 3 is gone out by gas
The 34, first pipeline 31 of mouth and air inlet 111 enter in the heat exchange runner in chamber 15, and the steam in heat exchange runner is in chamber 15
Exchanged heat, the steam after heat exchange is flowed into blowdown pipe 133 by gas outlet 112, is then entered by the second air inlet 131
It is compressed in second compression chamber.
In correlation technique, the steam that the gas vent 34 of economizer 3 comes out directly connects with blowdown pipe 133, in the present invention
In, the steam that gas vent 34 comes out is first passed through to the heat exchange runner in chamber 15, entered back into blowdown pipe 133, subsequently into
It is compressed in second compression mechanism 13, saves the power consumption of compressor 1, heat is discharged into environment eventually through condenser 2, is saved and is steamed
The refrigerating capacity of device 4 is sent out, improves the efficiency of handpiece Water Chilling Units 100.Meanwhile a small amount of drop contained in the tonifying Qi of economizer 3 is in flowing
During absorb the heating of electric machine assembly 14 after be evaporated to gaseous state, avoid the risk that compressor 1 work with liquid, raising compressor
The safety and reliability of 1 work.Further, since air inlet 111 connects with the gas vent 34 of economizer 3, in heat exchange runner
Refrigerant be gas, possibility of the gas cooling with impurity is minimum, and cooling system improves without setting complicated filter
The availability of unit.
Handpiece Water Chilling Units 100 according to embodiments of the present invention, by making the gas vent 34 of economizer 3 pass through the first pipeline 31
Connected with the air inlet 111 on housing 11, and make the gas outlet 122 of gas outlet 112 and first and the second air inlet on housing 11
Blowdown pipe 133 between 131 connects, and the steam that can come out the gas vent 34 of economizer 3 is introduced into the heat exchange in chamber 15
In runner, then enter back into the second compression chamber and be compressed, can not only play a part of cooling to electric machine assembly 14, may be used also
To improve the efficiency of handpiece Water Chilling Units 100, the safety and reliability that compressor 1 is run is improved.
In some embodiments of the invention, as shown in Fig. 2 being provided with the second pipe between gas vent 34 and blowdown pipe 133
Road 32.That is, second pipe 32 is in parallel with the combination of the first pipeline 31 and heat exchange runner.Thus, it is possible to make gas vent
A 34 steam part out is directly entered in blowdown pipe 133.When the quantity of steam of the cooling required of electric machine assembly 14 is smaller, greatly
It is too low that the heat exchange runner that the steam of amount enters in chamber 15 is likely to result in temperature in chamber 15, condensation occurs outside housing 11
Phenomenon.Some vapor can be now fed directly in blowdown pipe 133, then flow in the second compression chamber and be compressed, no
But it can play a part of cooling down electric machine assembly 14, while can prevent condensation occur on housing 11, in addition, gas vent 34 goes out
The steam come is directly entered in blowdown pipe 133, can also improve the efficiency of compressor 1.
Further, as shown in Fig. 2 second pipe 32 is provided with current-limiting apparatus 321.Due to the steam in the first pipeline 31
Cooling electric machine assembly 14 in chamber 15 is introduced into, therefore, the pressure loss of the refrigerant on the runner is larger, and in the pressure loss
Current-limiting apparatus 321 is set on less second pipe 32, it is ensured that there are enough refrigerants in the heat exchange runner in chamber 15
Flow, ensure the reliability that electric machine assembly 14 cools down, so as to improve the reliability of the work of compressor 1.
Specifically, as shown in Fig. 2 current-limiting apparatus 321 can be electrically operated valve.Electrically operated valve can pass through the change of area
To realize the control of refrigerant flow, so as to ensure to have in the heat exchange runner in chamber 15 enough refrigerant flows, ensure electricity
The reliability that thermomechanical components 14 cool down, so as to improve the reliability of the work of compressor 1.
In some embodiments of the invention, as depicted in figs. 1 and 2, the first compression mechanism 12 and the second compression mechanism 13
Positioned at the both ends of housing 11, the first compression mechanism 12, the second compression mechanism 13 and housing 11 limit chamber 15.That is,
First compression mechanism 12 and the second compression mechanism 13 are located at the both ends of housing 11 respectively, the first compression mechanism 12 and housing 11 it is interior
Wall connects, and the second compression mechanism 13 connects with the inwall of housing 11, and electric machine assembly 14 is positioned at the first compression mechanism 12 and the second pressure
Between contracting mechanism 13, electric machine assembly 14 is located at the first compression mechanism 12, the closed chamber of the compression mechanism 13 of housing 11 and second restriction
In room 15.The both ends of electric machine assembly 14 are respectively provided with output shaft and connected respectively with the first compression mechanism 12 and the second compression mechanism 13
Connect.Thus it is easy to the layout of the internal structure of compressor 1, compressor 1 is worked relatively reliable.
Certainly, the invention is not restricted to this, the first compression mechanism 12 can be connected with the second compression mechanism 13, the first compressor
The compression mechanism 13 of structure 12 and second is located at one end of housing 11, and electric machine assembly 14 is located at the other end of housing 11, it is possible thereby to carry
The diversity of the structure of high compressor 1, so as to meet the needs of different.
In some embodiments of the invention, heat exchange runner is a plurality of that a plurality of heat exchange runner is arranged in parallel, every heat exchange stream
The one end in road connects with air inlet 111, and the other end of every heat exchange runner connects with gas outlet 112.A plurality of heat exchange runner
The heat exchange efficiency of refrigerant and the heat in advantage can be increased, improve heat transfer effect, so as to improve the cooling of electric machine assembly 14
Speed, ensure the reliability that electric machine assembly 14 works, and then ensure the reliability that compressor 1 works.
Further, electric machine assembly 14 includes stator 141 and rotor 142, and stator 141 is rotatably arranged at outside rotor 142,
Heat exchange runner is located between the stator 141 of electric machine assembly 14 and housing 11, between the rotor of electric machine assembly 14 142 and stator 141
In it is at least one in.That is, heat exchange runner can be only defined between the stator 141 of electric machine assembly 14 and housing 11, or
Heat exchange runner can be only defined between the rotor 142 of electric machine assembly 14 and stator 141, or, heat exchange runner can be located at stator
Between 141 and housing 11, and between stator 141 and rotor 142.It is possible thereby to heat exchange runner is set to be filled with the heat in chamber 15
Divide heat exchange, improve heat exchange efficiency, so as to improve the speed of the cooling of electric machine assembly 14, ensure the reliability of the work of electric machine assembly 14,
And then ensure the reliability that compressor 1 works.
In some embodiments of the invention, as depicted in figs. 1 and 2, between condenser 2 and economizer 3, economizer 3 with
At least one between evaporator 4 is provided with throttling arrangement 5.That is, throttling is provided with only between condenser 2 and economizer 3
Device 5, or be provided with only between economizer 3 and evaporator 4 between throttling arrangement 5, or condenser 2 and economizer 3, economizer 3
Throttling arrangement 5 is equipped between evaporator 4.Such as in the example shown in Fig. 1 and Fig. 2, between condenser 2 and economizer 3,
And throttling arrangement 5 is equipped between economizer 3 and evaporator 4, it is possible thereby to improve the efficiency of handpiece Water Chilling Units 100.
Further, throttling arrangement 5 can be restricting orifice, capillary or electric expansion valve.It is possible thereby to increase cold water
The diversity of the structure of unit 100.Specifically, in the example shown in Fig. 1 and Fig. 2, between condenser 2 and economizer 3, and
Throttling arrangement 5 is equipped between economizer 3 and evaporator 4, and throttling arrangement 5 is restricting orifice.
In some embodiments of the invention, the first pipeline 31 is provided with the magnetic valve 311 for being used for controlling its break-make.Thus
It is easy to the cooling of controlled motor component 14, when electric machine assembly 14 need not cool down, the first pipe can be blocked by magnetic valve 311
Road 31.In addition, magnetic valve 311 is provided between gas outlet 112 and blowdown pipe 133 to control between gas outlet 112 and blowdown pipe 133
Break-make.
Handpiece Water Chilling Units 100 below with reference to Fig. 1 and Fig. 2 descriptions according to two specific embodiments of the invention, are worth what is understood
It is, it is described below simply exemplary, it is intended to for explaining the present invention, and to be not considered as limiting the invention.
Embodiment one
As shown in figure 1, handpiece Water Chilling Units 100 according to embodiments of the present invention, including compressor 1, condenser 2, the and of economizer 3
Evaporator 4.
Specifically, compressor 1 includes housing 11, the first compression mechanism 12, the second compression mechanism 13 and electric machine assembly 14.The
One compression mechanism 12 and the second compression mechanism 13 are respectively provided in housing 11, and are located at the both ends of housing 11, electric machine assembly respectively
14 between the first compression mechanism 12 and the second compression mechanism 13, and in the first compression mechanism 12, the second compression mechanism 13
In the airtight chamber 15 formed with housing 11.
Wherein, the first compression mechanism 12 has the first compression chamber, and there is the first compression chamber the first air inlet 121 and first to go out
Gas port 122, the second compression mechanism 13 have the second compression chamber, and the second compression chamber has the second air inlet 131 and the second gas outlet
132, the first gas outlet 122 is connected with the second air inlet 131 by blowdown pipe 133.Electric machine assembly 14 includes stator 141 and rotor
142, stator 141 is located at outside rotor 142, heat exchange runner is provided with chamber 15, heat exchange runner is a plurality of, in a plurality of heat exchange runner
Part is between stator 141 and rotor 142, partly between stator 141 and housing 11.There is air inlet on housing 11
111 and gas outlet 112, one end of every heat exchange runner connected respectively with air inlet 111, the other end difference of every heat exchange runner
Connected with gas outlet 112.In addition, gas outlet 112 connects with blowdown pipe 133.
One end of condenser 2 connects with the second gas outlet 132, and economizer 3 has import 33, gas vent 34 and liquid discharge
Mouth 35, import 33 is connected with the other end of condenser 2, and gas vent 34 is connected with air inlet 111 by the first pipeline 31, evaporation
One end of device 4 connects with liquid outlet 35, and the other end of evaporator 4 connects with the first air inlet 121.
Steam in economizer 3 is largely that gaseous state very small amount is liquid, and the steam inside economizer 3 passes through gas vent
34th, the first pipeline 31 and air inlet 111 enter in the heat exchange runner in chamber 15, and the steam in heat exchange runner enters in chamber 15
Row heat exchange, the steam after heat exchange is flowed into blowdown pipe 133 by gas outlet 112, then enters the by the second air inlet 131
It is compressed in two compression chambers.
Handpiece Water Chilling Units 100 according to embodiments of the present invention, by making the gas vent 34 of economizer 3 pass through the first pipeline 31
Connected with the air inlet 111 on housing 11, and make the gas outlet 122 of gas outlet 112 and first and the second air inlet on housing 11
Blowdown pipe 133 between 131 connects, and the steam that can come out the gas vent 34 of economizer 3 is introduced into the heat exchange in chamber 15
In runner, then enter back into the second compression chamber and be compressed, can not only play a part of cooling to electric machine assembly 14, may be used also
To improve the efficiency of handpiece Water Chilling Units 100, the safety and reliability that compressor 1 is run is improved.
In addition, between condenser 2 and economizer 3, and throttling arrangement 5 is equipped between economizer 3 and evaporator 4, save
Stream device 5 is restricting orifice.First pipeline 31 is provided with the magnetic valve 311 for being used for controlling its break-make, gas outlet 112 and blowdown pipe
Magnetic valve 311 is provided between 133 to control the break-make between gas outlet 112 and blowdown pipe 133.
In addition, electric machine assembly 14 is connected with the work of controlled motor component 14 with microcomputer cabinet 6.
Embodiment two
As shown in Fig. 2 the present embodiment is roughly the same with the structure of embodiment, wherein identical part uses identical accompanying drawing
Mark, the difference is that only and second pipe 32 is additionally provided between gas vent 34 and blowdown pipe 133.Cooling can not only be played
The effect of electric machine assembly 14, while can prevent condensation occur on housing 11, in addition, the steam that gas vent 34 comes out directly enters
Enter in blowdown pipe 133, the efficiency of compressor 1 can also be improved.
In addition, second pipe 32 is provided with current-limiting apparatus 321, such as electrically operated valve, due to the steam in the first pipeline 31
Cooling electric machine assembly 14 in chamber 15 is introduced into, therefore, the pressure loss of the refrigerant on the runner is larger, and in the pressure loss
Current-limiting apparatus 321 is set on less second pipe 32, it is ensured that there are enough refrigerants in the heat exchange runner in chamber 15
Flow, ensure the reliability that electric machine assembly 14 cools down, so as to improve the reliability of the work of compressor 1.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
- A kind of 1. handpiece Water Chilling Units, it is characterised in that including：Compressor, the compressor include housing, the first compression mechanism, the second compression mechanism and electric machine assembly, first pressure Contracting mechanism and second compression mechanism are located in the housing, and first compression mechanism has the first compression chamber, and described One compression chamber has the first air inlet and the first gas outlet, and second compression mechanism has the second compression chamber, second pressure Contracting chamber has the second air inlet and the second gas outlet, and first gas outlet is connected with second air inlet by blowdown pipe, Closed chamber is limited in the housing, the electric machine assembly is located in the chamber, and heat exchange runner is provided with the chamber, There is the air inlet for connecting the heat exchange runner and gas outlet, the gas outlet to be connected with the blowdown pipe on the housing；Condenser, one end of the condenser connect with second gas outlet；Economizer, the economizer have import, gas vent and liquid outlet, the import and the other end of the condenser Connection, the gas vent pass through the first pipeline communication with the air inlet；Evaporator, one end of the evaporator connect with the liquid outlet, and the other end of the evaporator enters with described first Gas port connects.
- 2. handpiece Water Chilling Units according to claim 1, it is characterised in that be provided between the gas vent and the blowdown pipe Second pipe.
- 3. handpiece Water Chilling Units according to claim 2, it is characterised in that the second pipe is provided with current-limiting apparatus.
- 4. handpiece Water Chilling Units according to claim 3, it is characterised in that the current-limiting apparatus is electrically operated valve.
- 5. handpiece Water Chilling Units according to claim 1, it is characterised in that first compression mechanism and second compressor Structure is located at the both ends of the housing, and first compression mechanism, second compression mechanism and the housing limit the chamber Room.
- 6. handpiece Water Chilling Units according to claim 1, it is characterised in that the heat exchange runner is a plurality of.
- 7. handpiece Water Chilling Units according to claim 6, it is characterised in that the heat exchange runner is located at determining for the electric machine assembly It is sub between the housing, between the rotor and stator of the electric machine assembly in it is at least one in.
- 8. handpiece Water Chilling Units according to claim 1, it is characterised in that between the condenser and the economizer, described At least one between economizer and the evaporator is provided with throttling arrangement.
- 9. handpiece Water Chilling Units according to claim 8, it is characterised in that the throttling arrangement be restricting orifice, capillary or Electric expansion valve.
- 10. handpiece Water Chilling Units according to claim 1, it is characterised in that first pipeline, which is provided with, to be used to control it logical Disconnected magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823746.6A CN107560041B (en) | 2017-09-13 | 2017-09-13 | Water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823746.6A CN107560041B (en) | 2017-09-13 | 2017-09-13 | Water chilling unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107560041A true CN107560041A (en) | 2018-01-09 |
| CN107560041B CN107560041B (en) | 2020-12-04 |
Family
ID=60980869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710823746.6A Active CN107560041B (en) | 2017-09-13 | 2017-09-13 | Water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107560041B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207426A (en) * | 2019-07-03 | 2019-09-06 | 天津飞旋科技有限公司 | A kind of combination cooling structure for refrigeration compressor |
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|---|---|---|---|---|
| JPH07180917A (en) * | 1993-12-24 | 1995-07-18 | Kobe Steel Ltd | Screw tube refrigerator |
| CN1349079A (en) * | 2000-10-13 | 2002-05-15 | 三菱重工业株式会社 | Multi-stage compression refrigerator, the coolant from its middle cooling unit to cool rotation mechanism and the lubricant |
| CN104566852A (en) * | 2014-12-15 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioner and motor cooling method of air conditioner |
| CN104896780A (en) * | 2014-03-05 | 2015-09-09 | 荏原冷热系统株式会社 | Turbine refrigerator |
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2017
- 2017-09-13 CN CN201710823746.6A patent/CN107560041B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07180917A (en) * | 1993-12-24 | 1995-07-18 | Kobe Steel Ltd | Screw tube refrigerator |
| CN1349079A (en) * | 2000-10-13 | 2002-05-15 | 三菱重工业株式会社 | Multi-stage compression refrigerator, the coolant from its middle cooling unit to cool rotation mechanism and the lubricant |
| CN104896780A (en) * | 2014-03-05 | 2015-09-09 | 荏原冷热系统株式会社 | Turbine refrigerator |
| CN104566852A (en) * | 2014-12-15 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioner and motor cooling method of air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207426A (en) * | 2019-07-03 | 2019-09-06 | 天津飞旋科技有限公司 | A kind of combination cooling structure for refrigeration compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107560041B (en) | 2020-12-04 |
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