CN207504716U - A kind of motor, centrifugal compressor and air-conditioner set - Google Patents
A kind of motor, centrifugal compressor and air-conditioner set Download PDFInfo
- Publication number
- CN207504716U CN207504716U CN201721463265.0U CN201721463265U CN207504716U CN 207504716 U CN207504716 U CN 207504716U CN 201721463265 U CN201721463265 U CN 201721463265U CN 207504716 U CN207504716 U CN 207504716U
- Authority
- CN
- China
- Prior art keywords
- stator
- motor
- cylinder
- back cavity
- rear end
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of motor, centrifugal compressor and air-conditioner set, wherein, motor includes：Inner wall is equipped with the cylinder of a circle installation step, the stator being sleeved in installation step inner ring, in stator and can be along the rotor of own axis, in cylinder positioned at the region of stator front end be ante-chamber, positioned at the region of stator rear end be back cavity, cylinder is equipped with the refrigerant inlet connected with ante-chamber, the gas returning port connected with back cavity, ante-chamber connects back cavity by the gap between stator and rotor, the rear end of stator is equipped with baffle ring, baffle ring is kept off on the rear end face of installation step, and the gap between stator and cylinder and back cavity are completely cut off.The utility model have many advantages, such as it is simple in structure, can prevent coolant leakage, improve efficiency of assembling.
Description
Technical field
The utility model is related to a kind of electric machine structure technical field more particularly to motor, centrifugal compressor and air conditioners
Group.
Background technology
During centrifugal compressor normal operation, motor can generate heat and be main heater element in the energized state, if this
A little heats are taken away not in time, and the coil temperature of motor will be increased constantly, and magnetic signature will change, and compressor performance can be significantly
Decline, when limiting value of the coil temperature higher than coil insulation, coil insulation damages will be led to, compressor is unable to operate normally.
In order to ensure compressor normal operation, prevent motor from occurring coil insulation damages, rotor demagnetization etc. because temperature is excessively high
Failure.Centrifugal compressor carries out motor independent cooling at present, i.e. liquid refrigerants enters through motor one end, and traditional motor is cold
But structure, as shown in Figure 1, refrigerant inlet 12 and the back cavity 5 of motor are closer to the distance, due to originals such as 2 surface soldered of stator and polishings
Cause, there are some gaps between stator 2 and cylinder 1, and liquid coolant is caused directly to reach back cavity 5 from refrigerant inlet 12 by the gap
Cooled via return air mouth 13 is drained, and can not effectively take away motor feels hot, cause motor cooling it is bad, compressor safety and reliability compared with
Difference.Also, the stator shaft orientation positioning surface of conventional motors is in front end, and without corresponding positioning surface on cylinder 1, therefore needed in front end
Positioning tool is wanted to carry out located stator 2.Meanwhile stator 2, in 1 built-in timing of cylinder, axially position generally requires positioning tool, causes
Efficiency of assembling is relatively low.
Therefore, how to design it is a kind of it is simple in structure, can prevent coolant leakage, improve efficiency of assembling motor be industry urgently
The technical issues of solution.
Utility model content
In order to solve drawbacks described above in the prior art, the utility model proposes a kind of motor, centrifugal compressors
And air-conditioner set.
The technical solution adopted in the utility model is to design a kind of motor, including：Inner wall is equipped with the cylinder of a circle installation step
Body, the stator being sleeved in installation step inner ring can be located in stator and in cylinder stator along the rotor of own axis
The region of front end is ante-chamber, positioned at the region of stator rear end is back cavity, and cylinder is equipped with the refrigerant inlet connected with ante-chamber, with after
The gas returning port of chamber connection, ante-chamber connect back cavity by the gap between stator and rotor, and the rear end of stator is equipped with baffle ring, baffle ring
Gear completely cuts off the gap between stator and cylinder and back cavity on the rear end face of installation step.
Close to the rear end face of the position of inner ring fitting stator on baffle ring, and it is fixed by screws on the rear end face of stator.
Close to the rear end face of the position of outer ring fitting installation step on baffle ring.Refrigerant inlet is located on cylinder close to the position of back cavity, returns
Gas port is arranged in the cavity wall of back cavity, and refrigerant inlet and gas returning port separate in the both sides of baffle ring.
Wherein, refrigerant channel, one end connection refrigerant inlet of refrigerant channel, the other end are additionally provided on the inner wall of installation step
Connect ante-chamber.
Preferably, inner wall helically formula distribution of the refrigerant channel along installation step.
Preferably, refrigerant inlet is set on the bottom of cylinder.
The utility model also proposed a kind of centrifugal compressor, including above-mentioned motor.
The utility model also proposed a kind of air-conditioner set, including condenser, economizer, evaporator and above-mentioned centrifugal
Compressor, condenser or economizer are connect with refrigerant inlet, and evaporator is connect with gas returning port.
Compared with prior art, the utility model has the advantages that：
1st, the gap between stator and cylinder and back cavity are completely cut off by the baffle ring of stator end, prevents refrigerant from passing through this
Gap directly reaches the leakage of back cavity cooled via return air mouth, improves compressor operating stability；
2nd, stator can be connected in cylinder on the rear end face of installation step when mounted by baffle ring, directly with the end of baffle ring
Axial assembling positioning surface of the face for stator, cancels the axially position tooling of existing motor assembling middle cylinder body front end, improves assembling effect
Rate.
Description of the drawings
The utility model is described in detail with reference to embodiment and attached drawing, wherein：
Fig. 1 is the diagrammatic cross-section of internal structure of motor in the prior art；
Fig. 2 is the diagrammatic cross-section of internal structure of motor in the utility model.
Specific embodiment
As shown in Fig. 2, a kind of the utility model proposition motor, including：Cylinder 1, stator 2 and rotor 3, cylinder 1 it is interior
Wall is equipped with the installation step 11 of a circle protrusion, and stator 2 is sleeved in the inner ring of installation step 11, and rotor 3 is movably arranged in stator 2,
And rotor 3 can be along own axis, the interior region for being located at 2 front end of stator of cylinder 1 is ante-chamber 4, positioned at the area of 2 rear end of stator
Domain is back cavity 5, and ante-chamber 4 connects back cavity 5 by the gap between stator 2 and rotor 3.Cylinder 1 is equipped with refrigerant inlet 12 and returns
Gas port 13, gas returning port 13 are arranged in the cavity wall of back cavity 5, and refrigerant inlet 12 is located on cylinder 1 close to the position of back cavity 5 and passes through
Refrigerant channel 14 is connected with ante-chamber 4.Refrigerant channel 14 is set on the inner wall of installation step 11, one end connection refrigerant inlet 12,
The other end connects ante-chamber 4, and in order to ensure that liquid refrigerants can fully absorb heat in flow process, refrigerant channel 14 is along installation step 11
Inner wall helically formula be distributed.
The rear end of stator 2 is equipped with baffle ring 6, and baffle ring 6 is kept off on the rear end face of installation step 11, by refrigerant inlet 12 and returns
Gas port 13 separates close to the rear end face of the position of inner ring fitting stator 2 on its both sides, baffle ring 6, and is fixed by screws in and determines
On the rear end face of son 2.Close to the rear end face of the position of outer ring fitting installation step 11 on baffle ring 6.During installation, first baffle ring 6 is consolidated
Determine on the stator 2, then stator 2 is inserted in cylinder 1, be bonded baffle ring 6 and the end face of installation step 11.It can be with by baffle ring 6
Gap between stator 2 and cylinder 1 and back cavity are completely cut off, liquid refrigerants can not be reached after the entrance of refrigerant inlet 12 by the gap
Back cavity 5 can only reach ante-chamber 4, so as to take away the heat of stator 2 and rotor 3, moreover, the end face of baffle ring 6 along refrigerant channel 14
Be also used as the axial assembling positioning surface of stator 2, without in addition setting positioning tool when stator 2 is installed, improve efficiency of assembling,
Reduce cost.
In use, liquid refrigerants enters refrigerant channel 14 from refrigerant inlet 12, ante-chamber 4, liquid are reached through refrigerant channel 14
It is gaseous state that refrigerant absorbs stator 2 and the heat of vaporization of rotor 3 in flow process, and gaseous coolant passes through between stator 2 and rotor 3
Gap return to back cavity 5, finally flowed out from gas returning port 13.
The utility model also proposed a kind of centrifugal compressor, including above-mentioned motor.
The utility model also proposed a kind of air-conditioner set, including：Condenser, economizer, evaporator and above-mentioned centrifugation
Formula compressor, condenser or economizer are connect with refrigerant inlet 12, and evaporator is connect with gas returning port 13, refrigerant inlet 12 during use
Liquid refrigerants is introduced from condenser or economizer, after liquid refrigerants heat absorption is evaporated to gaseous state, steaming is outflowed back to by gas returning port 13
It sends out in device.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of motor, including：Inner wall is equipped with a circle installation step（11）Cylinder（1）, be sleeved on the installation step（11）It is interior
Stator in circle（2）, rotatably be set on the stator（2）Interior rotor（3）, the cylinder（1）It is interior to be located at the stator（2）Before
The region at end is ante-chamber（4）, positioned at the stator（2）The region of rear end is back cavity（5）, the cylinder（1）Be equipped with it is described
Ante-chamber（4）The refrigerant inlet of connection（12）And the back cavity（5）The gas returning port of connection（13）, the ante-chamber（4）Pass through stator
（2）With rotor（3）Between gap be connected to the back cavity（5）, which is characterized in that the stator（2）Rear end gear is installed
Ring（6）, the baffle ring（6）Gear is in the installation step（11）Rear end face on, by the stator（2）And cylinder（1）Between
Gap and the back cavity（5）Isolation.
2. motor as described in claim 1, which is characterized in that the installation step（11）Inner wall be equipped with refrigerant channel
（14）, the refrigerant channel（14）One end connect the refrigerant inlet（12）, the other end connect the ante-chamber（4）.
3. motor as claimed in claim 2, which is characterized in that the refrigerant channel（14）Along installation step（11）Inner wall be in
Spiral distribution.
4. motor as described in any one of claims 1 to 3, which is characterized in that the refrigerant inlet（12）Positioned at cylinder（1）On
Close to back cavity（5）Position, the gas returning port（13）It is arranged on back cavity（5）Cavity wall on, the refrigerant inlet（12）And return-air
Mouthful（13）Separate in the baffle ring（6）Both sides.
5. motor as claimed in claim 4, which is characterized in that the refrigerant inlet（12）Set on the cylinder（1）Bottom.
6. motor as described in any one of claims 1 to 3, which is characterized in that the baffle ring（6）It is upper to be pasted close to the position of inner ring
Close the stator（2）Rear end face, the baffle ring（6）It is upper to be bonded the installation step close to the position of outer ring（11）Rear end
Face.
7. motor as claimed in claim 6, which is characterized in that the baffle ring（6）The upper position close to inner ring is fixed on described
Stator（2）Rear end face on.
8. a kind of centrifugal compressor, which is characterized in that including 1 to 7 any one of them motor of the claims.
9. a kind of air-conditioner set, which is characterized in that including the centrifugal compressor described in the claims 8.
10. air-conditioner set as claimed in claim 9, which is characterized in that further include：Condenser, economizer and evaporator, it is described
Condenser or economizer and the refrigerant inlet（12）Connection, the evaporator and the gas returning port（13）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721463265.0U CN207504716U (en) | 2017-11-06 | 2017-11-06 | A kind of motor, centrifugal compressor and air-conditioner set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721463265.0U CN207504716U (en) | 2017-11-06 | 2017-11-06 | A kind of motor, centrifugal compressor and air-conditioner set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504716U true CN207504716U (en) | 2018-06-15 |
Family
ID=62503063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721463265.0U Active CN207504716U (en) | 2017-11-06 | 2017-11-06 | A kind of motor, centrifugal compressor and air-conditioner set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207504716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733163A (en) * | 2017-11-06 | 2018-02-23 | 珠海格力电器股份有限公司 | A kind of motor, centrifugal compressor and air-conditioner set |
-
2017
- 2017-11-06 CN CN201721463265.0U patent/CN207504716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733163A (en) * | 2017-11-06 | 2018-02-23 | 珠海格力电器股份有限公司 | A kind of motor, centrifugal compressor and air-conditioner set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3379155B1 (en) | Air conditioner | |
| EP0306405B1 (en) | Methods and devices for cooling a motor of a refrigerating machine with liquid and economiser gaz | |
| CN101463821A (en) | Motor-driven compressor | |
| CN104632636B (en) | Compressor, the cool-down method of compressor and cold water formula air-conditioner set | |
| CN104377851B (en) | Magneto, refrigeration compressor and air conditioning unit | |
| CN105143796B (en) | Refrigerator | |
| EP2570756B1 (en) | Cooling apparatus for machine room of refrigerator using nacelle shape | |
| CN207504716U (en) | A kind of motor, centrifugal compressor and air-conditioner set | |
| CN106455440A (en) | Server cabinet with air conditioner | |
| WO2014083901A1 (en) | Compressor, refrigeration cycle device, and heat pump hot-water supply device | |
| CN104377852B (en) | Magneto, refrigeration compressor and air conditioning unit | |
| CN104500405A (en) | Low-backpressure rotation type compressor | |
| CN102367975A (en) | Overhead-type car-mounted air conditioner system | |
| CN206117328U (en) | A cooling structure for new forms of energy car air cooling motor stator winding | |
| CN107733163A (en) | A kind of motor, centrifugal compressor and air-conditioner set | |
| CN203404083U (en) | Vertical rotary compressor | |
| KR20110107653A (en) | Refrigerator | |
| CN112412780A (en) | Compressor and thermal management system | |
| CN205407496U (en) | PMSM subassembly and have its compressor and air conditioner | |
| JP2012082763A (en) | Refrigeration cycle apparatus using inverter-integrated electric motor compressor | |
| CN209324658U (en) | A kind of micro-compressor and refrigeration system | |
| JP3716896B2 (en) | refrigerator | |
| CN208849602U (en) | Motor and compressor | |
| CN206149705U (en) | Take server rack of air conditioner | |
| CN111946632A (en) | Refrigerant pump for refrigerant pump and compressor double-circulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |