CN207977817U - A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor - Google Patents
A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor Download PDFInfo
- Publication number
- CN207977817U CN207977817U CN201820407707.8U CN201820407707U CN207977817U CN 207977817 U CN207977817 U CN 207977817U CN 201820407707 U CN201820407707 U CN 201820407707U CN 207977817 U CN207977817 U CN 207977817U
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- Prior art keywords
- stator
- motor
- rotor
- safety
- type fluorine
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Abstract
A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, it is related to the technical field of specific type of electric machine and its control technology, including stator and rotor, the stator includes stator base, stator core, winding and connecting line, the winding includes one group of coil being wound on stator core, and the coil is formed by composite enameled wire coiling；The stator is mounted on the shell of compressor and is detachably connected by stator base and shell, and the rotor is set on the bent axle of compressor and is detachably connected with bent axle；The winding is equipped with thermal protector.Rotor is directly installed on the bent axle of compressor so that electric machine structure is simplified and makes full use of limited space, improves Motor Capability, reduces cost；In motor operation exception, thermal protector auto-action to protect motor, when motor when something goes wrong, this dismountable design is more conducive to the replacement of electrical machmary maintenance or rotor, stator, therefore the use of motor is safer, can repair and repair it is convenient.
Description
Technical field
The utility model is related to specific type of electric machine and its technical fields of control technology, more particularly to a kind of to be used for piston type system
The safety-type fluorine-resistant motor of cold compressor.
Background technology
Compressor in the process of running, can be because of inside and outside the reason of or the reason of internal system, it is possible to motor occur
Overload operation, the even situation of stall, cause the electric current of motor excessive, cause the motor temperature rise of compressor very high.To keep away
Exempt from motor temperature rise superelevation so that its be burned out or insulation characterisitic decline, need in the circuit of compressor access protector with
Circuit where can disconnecting it in motor overheating.
Protector in the related technology is external protector, i.e., protector is positioned over the outside of compressor housing,
External protector judges mainly by electric current in aware circuit and case temperature and controls the temperature of motor, although it is certain
It plays a protective role to motor in degree, but this external protector has certain hysteresis quality, to the temperature detection of motor
Error is relatively large.
In addition, current compressor electric motor mostly by directly it is fixed in a manner of be mounted on compressor in, rotor and shaft
To be fixed, stator is fixedly connected interference fit with compressor pedestal or shell, makes the dismounting of motor is difficult can not even tear open
It unloads, is unfavorable for the maintenance, maintenance and replacement of motor.
Utility model content
The purpose of utility model：The utility model discloses a kind of safety-type fluorine-resistant electricity for Piston Refrigerant Compreessor
Machine, rotor are directly installed on the bent axle of compressor so that electric machine structure is simplified and makes full use of limited space, improves motor
Ability, and multiple components are saved, reduce cost；In motor operation exception, thermal protector auto-action cuts off motor
Power supply, play the role of protect motor, when motor when something goes wrong, it is this it is dismountable design be more conducive to electrical machmary maintenance or turn
The replacement of son, stator, therefore, the use of motor is safer, and repair is more convenient.
Technical solution：In order to achieve the goal above, the utility model discloses a kind of for Piston Refrigerant Compreessor
Safety-type fluorine-resistant motor, including stator and rotor, the stator include stator base, stator core, winding and connecting line, described
Winding includes one group of coil being wound on stator core, and the coil is formed by composite enameled wire coiling；The stator installation
Be detachably connected on the shell of compressor and by stator base and shell, the rotor be set on the bent axle of compressor and
It is detachably connected with bent axle；The winding is equipped with thermal protector.The motor of this design without casing, end cap and armature spindle,
Rotor is directly installed on the bent axle of compressor so that electric machine structure is simplified and makes full use of limited space, improves motor energy
Power, and multiple components are saved, reduce cost；In motor operation exception, thermal protector auto-action cuts off the electricity of motor
Source plays the role of protecting motor, when motor when something goes wrong, this dismountable design be more conducive to electrical machmary maintenance or rotor,
The replacement of stator, therefore, the use of motor are safer, and repair is more convenient.
Further, above-mentioned a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, the bent axle are D-shaped
Axis, correspondingly, the rotor inner hole is D-shaped.The design of this D-shaped keeps overall structure simple, and can effectively carry out limit with
It is fixed, inhibit the rotation between rotor and bent axle, also, make the dismounting and taking-up of rotor without interference fit between rotor and bent axle
It is more convenient.
Further, above-mentioned a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, the bent axle and rotor
Between be equipped with key, the bent axle offers keyway, correspondingly, the rotor inner hole also offers keyway.This design carries out pair
The limit and fixation of rotor inhibit the rotation between rotor and bent axle, also, make rotor without interference fit between rotor and bent axle
Dismounting and take out it is more convenient.
Further, above-mentioned a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, the composite enameled wire
Including conductor and insulating layer, wherein conductor is copper wire, and insulating layer is polyamidoimide complex polyester imines enameled wire.It is this to set
The composite enameled wire of meter has quite high heat resistance, mechanical performance, solvent resistance and refrigerant performance, and resistance to spoke
It penetrates, good combination property and applied widely；The motor inside compressor can be met in freeze-resistant machine oil and freon resistant performance
The requirement of aspect.
Further, a kind of above-mentioned safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, described bent axle one end are set
There are the first axle sleeve, the other end to be equipped with the second axle sleeve, first axle sleeve is fixedly connected with the support portion in compressor, the compression
Machine is additionally provided with upper cover, and the upper cover is detachably connected with shell, and the upper cover is equipped with pressure contact portion, second axle sleeve and pressure contact portion
It is fixedly connected.The design of first axle sleeve and the second axle sleeve so that the rotation of bent axle is more smooth and improves whole service life, separately
Outside, the axially position to rotor is also achieved.
Further, a kind of above-mentioned safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, the pressure contact portion are equipped with
Through-hole.The design of through-hole is in order to avoid bent axle and key.
Further, a kind of above-mentioned safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, the outer casing inner wall are set
There is stator mounting portion, friction plate is equipped between the stator base end and stator mounting portion；The other end of the stator base
Limited block is equipped between portion and shell.Described limited block one end is caught in stator base and shell, and the other end, which is capped, to be pushed down and limit
Upper cover is opened in position when needing to replace stator, takes out limited block, you can takes out stator and repairs or replace；Friction plate is set
Meter increases the frictional force of the two, plays the role of being auxiliarily fixed.
Further, a kind of above-mentioned safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, the key end are equipped with
Hanging ring.After opening upper cover, hanging ring can be held by tool or directly and extract key, carry out the dismounting of rotor, it is operable
Property is good.
Further, above-mentioned a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, the thermal protector number
Amount no less than 2, and be arranged in series mutually.This design further improves safety.
Above-mentioned technical proposal can be seen that the utility model and have the advantages that：
（1）A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor described in the utility model, this design
Motor without casing, end cap and armature spindle, rotor is directly installed on the bent axle of compressor so that electric machine structure simplify simultaneously
Limited space is made full use of, Motor Capability is improved, and save multiple components, reduces cost；In motor operation exception,
Thermal protector auto-action cuts off the power supply of motor, play the role of protect motor, when motor when something goes wrong, it is this removable
The design unloaded is more conducive to the replacement of electrical machmary maintenance or rotor, stator, and therefore, the use of motor is safer, and repair is more convenient.
（2）A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor described in the utility model is carried out to turning
The limit and fixation of son inhibit the rotation between rotor and bent axle, also, make rotor without interference fit between rotor and bent axle
Dismounting and taking-up are more convenient.
（3）A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor described in the utility model, this design
Composite enameled wire there is quite high heat resistance, mechanical performance, solvent resistance and refrigerant performance, and radiation hardness,
Good combination property and applied widely；The motor inside compressor can be met in freeze-resistant machine oil and freon resistant aspect of performance
Requirement.
（4）A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor described in the utility model, the first axle sleeve
Design with the second axle sleeve is so that bent axle rotates more smooth and improves whole service life, in addition, also achieving to rotor
Axially position；This dismountable design, the repair for motor of being more convenient for.
（5）A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor described in the utility model, when needs replace
When changing stator, upper cover is opened, takes out limited block, you can it takes out stator and repairs or replace, it is convenient and efficient；The design of friction plate
The frictional force for increasing the two, plays the role of being auxiliarily fixed.
（6）A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor described in the utility model, can pass through work
Have or directly hold hanging ring and extract key, carries out the dismounting of rotor, operability is good.
Description of the drawings
Fig. 1 is a kind of whole peace of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor described in the utility model
Fill schematic diagram；
Fig. 2 is that a kind of structure of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor described in the utility model is shown
It is intended to；
Fig. 3 is a kind of left view of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor described in the utility model
Figure；
In figure：1- stators, 101- stator bases, 102- stator cores, 103- windings, 104- connecting lines, 105- Thermal protections
Device, 2- rotors, 3- shells, 4- bent axles, 5- keys, the first axle sleeves of 6-, the second axle sleeves of 7-, 8- support portions, 9- upper covers, 10- pressure contact portions,
11- through-holes, 12- hanging rings, 13- stator mounting portions, 14- friction plates, 15- limited blocks, 16- rotor end rings.
Specific implementation mode
Below in conjunction with the accompanying drawings, specific embodiment of the present invention is described in detail.
Embodiment
A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor of the utility model, as shown in Figure 1 to Figure 3,
The utility model discloses a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, including stator 1 and rotor 2, institutes
It includes stator base 101, stator core 102, winding 103 and connecting line 104 to state stator 1, and the winding 103 includes one group of coiling
Coil on stator core 102, the coil are formed by composite enameled wire coiling；The stator 1 is mounted on the outer of compressor
Be detachably connected on shell 3 and by stator base 101 and shell 3, the rotor 2 be set on the bent axle 4 of compressor and with song
Axis 4 is detachably connected；The winding 103 is equipped with thermal protector 105.The motor of this design is without casing, end cap and rotor
Axis, rotor are directly installed on the bent axle of compressor so that electric machine structure is simplified and makes full use of limited space, improves motor
Ability, and multiple components are saved, reduce cost；In motor operation exception, thermal protector auto-action cuts off motor
Power supply, play the role of protect motor, when motor when something goes wrong, it is this it is dismountable design be more conducive to electrical machmary maintenance or turn
The replacement of son, stator, therefore, the use of motor is safer, and repair is more convenient.
In the present embodiment, the bent axle 4 is D-shaped axis, correspondingly, 2 endoporus of the rotor is D-shaped.Alternatively, in the bent axle
Key 5 is equipped between 4 and rotor 2, the bent axle 4 offers keyway, correspondingly, 2 endoporus of the rotor also offers keyway.It is above-mentioned
Two kinds of designs are provided to carry out the limit to rotor 2 and fixation, inhibit the rotation between rotor 2 and bent axle 4, also, rotor 2 with
Without interference fit between bent axle 4, keep the dismounting of rotor 2 and taking-up more convenient.
Composite enameled wire described in the present embodiment includes conductor and insulating layer, and wherein conductor is copper wire, and insulating layer is polyamides
Amine acid imide complex polyester imines enameled wire.The composite enameled wire of this design have quite high heat resistance, mechanical performance,
Solvent resistance and refrigerant performance, and radiation hardness, good combination property and applied widely；It can meet inside compressor
Requirement of the motor in freeze-resistant machine oil and freon resistant aspect of performance.
The one end of bent axle 4 described in the present embodiment is equipped with the first axle sleeve 6, and the other end is equipped with the second axle sleeve 7, first axle sleeve
6 are fixedly connected with the support portion 8 in compressor, and the compressor is additionally provided with upper cover 9, and the upper cover 9 detachably connects with shell 3
It connects, the upper cover 9 is equipped with pressure contact portion 10, and second axle sleeve 7 is fixedly connected with pressure contact portion 10.First axle sleeve 6 and the second axle sleeve 7
Design so that the rotation of bent axle 4 is more smooth and improve whole service life, in addition, also achieve it is fixed to the axial direction of rotor 2
Position.
Pressure contact portion 10 described in the present embodiment is equipped with through-hole 11.The design of through-hole 11 is in order to avoid bent axle 4 and key 5.
The inner wall of shell 3 described in the present embodiment is equipped with stator mounting portion 13, and 101 end of the stator base is installed with stator
Friction plate 14 is equipped between portion 13；Limited block 15 is equipped between the other end and shell 3 of the stator base 101.The limit
Position 15 one end of block is caught in stator base 101 and shell 3, and the other end is capped 9 and pushes down and limit, and when needing to replace stator 1, beats
Upper cover 9 is opened, limited block 15 is taken out, you can takes out stator 1 and repairs or replace；The design of friction plate 14 increases the friction of the two
Power plays the role of being auxiliarily fixed.
The end of key 5 described in the present embodiment is equipped with hanging ring 12.After opening upper cover 9, it can be grabbed with hand by tool or directly
Firmly hanging ring 12 extracts key 5, carries out the dismounting of rotor 2, and operability is good.
The quantity of thermal protector 105 described in the present embodiment is no less than 2, and is arranged in series mutually.This design is further
Improve safety.
Rotor 2 described in the present embodiment is overrided to form by one group of rotor punching cast aluminium with rotor slot, and both ends are distinguished
Equipped with rotor end ring 16, on line insulating sleeve is equipped between the coil, coil interlayer is equipped with layer insulation screening glass, stator slot
It is interior to be equipped with slot insulation piece, the insulation performance of motor is further improved, insulation breakdown is avoided and leads to even short-circuit between conductors；Slot insulation
Piece includes two-layer nonwoven and the polyester film that is folded between two-layer nonwoven, and slot insulation piece is impregnated using insulating resin,
Slot insulation piece flexibility is good, and has good deflection, therefore can readily enter slot, and ideal opening is to ensure good connect
Touch effect；In addition, to prevent coil and the square edge of stator core 102 from contacting, slot insulation piece both ends are respectively equipped with flange；Around
103 peripheries of group are equipped with insulation resin enamelled coating；It is cured by being impregnated in modified epoxy impregnating varnish, described to change
Property epoxy resin dipping paint includes modified epoxy, curing agent and water.The cured insulation resin enamelled coating of outer layer can make compound
Enameled wire obtains further protection, and makes its gel integrally to improve mechanical strength；Avoid motor in the process of running because
Friction between composite enameled wire caused by electromagnetism alternation is conducive to the heat dissipation of motor；Oxidation and hydrolysis can be resisted simultaneously, risen
To the effect of protection motor.
The above is only the preferred embodiment of the utility model, it should be noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvement can also be made, these improvement also should be regarded as this
The protection domain of utility model.
Claims (9)
1. a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor, including stator（1）And rotor（2）, feature exists
In：The stator（1）Including stator base（101）, stator core（102）, winding（103）And connecting line（104）, the winding
（103）It is wound on stator core including one group（102）On coil, the coil forms by composite enameled wire coiling；It is described fixed
Son（1）Mounted on the shell of compressor（3）Above and pass through stator base（101）With shell（3）It is detachably connected, the rotor
（2）It is set in the bent axle of compressor（4）Upper and and bent axle（4）It is detachably connected；The winding（103）Equipped with thermal protector
（105）.
2. a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor according to claim 1, it is characterised in that：
The bent axle（4）For D-shaped axis, correspondingly, the rotor（2）Endoporus is D-shaped.
3. a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor according to claim 1, it is characterised in that：
The bent axle（4）And rotor（2）Between be equipped with key（5）, the bent axle（4）Keyway is offered, correspondingly, the rotor（2）It is interior
Hole also offers keyway.
4. a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor according to claim 1, it is characterised in that：
The composite enameled wire includes conductor and insulating layer, and wherein conductor is copper wire, and insulating layer is that polyamidoimide complex polyester is sub-
Amine enameled wire.
5. a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor according to claim 1, it is characterised in that：
The bent axle（4）One end is equipped with the first axle sleeve（6）, the other end is equipped with the second axle sleeve（7）, first axle sleeve（6）With compressor
Interior support portion（8）It is fixedly connected, the compressor is additionally provided with upper cover（9）, the upper cover（9）With shell（3）It is detachably connected,
The upper cover（9）Equipped with pressure contact portion（10）, second axle sleeve（7）With pressure contact portion（10）It is fixedly connected.
6. a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor according to claim 5, it is characterised in that：
The pressure contact portion（10）Equipped with through-hole（11）.
7. a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor according to claim 1, it is characterised in that：
The shell（3）Inner wall is equipped with stator mounting portion（13）, the stator base（101）End and stator mounting portion（13）Between set
There is friction plate（14）；The stator base（101）The other end and shell（3）Between be equipped with limited block（15）.
8. a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor according to claim 3, it is characterised in that：
The key（5）End is equipped with hanging ring（12）.
9. a kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor according to claim 1, it is characterised in that：
The thermal protector（105）Quantity is no less than 2, and is arranged in series mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820407707.8U CN207977817U (en) | 2018-03-26 | 2018-03-26 | A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820407707.8U CN207977817U (en) | 2018-03-26 | 2018-03-26 | A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207977817U true CN207977817U (en) | 2018-10-16 |
Family
ID=63766044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820407707.8U Expired - Fee Related CN207977817U (en) | 2018-03-26 | 2018-03-26 | A kind of safety-type fluorine-resistant motor for Piston Refrigerant Compreessor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207977817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210262710A1 (en) * | 2018-08-20 | 2021-08-26 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
-
2018
- 2018-03-26 CN CN201820407707.8U patent/CN207977817U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210262710A1 (en) * | 2018-08-20 | 2021-08-26 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
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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: 20181016 |