CN204706966U - A kind of stator punching for freezer compressor electric machine with aluminium winding - Google Patents
A kind of stator punching for freezer compressor electric machine with aluminium winding Download PDFInfo
- Publication number
- CN204706966U CN204706966U CN201520324550.9U CN201520324550U CN204706966U CN 204706966 U CN204706966 U CN 204706966U CN 201520324550 U CN201520324550 U CN 201520324550U CN 204706966 U CN204706966 U CN 204706966U
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- screwed hole
- teeth portion
- punching
- punching body
- electric machine
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Abstract
The utility model discloses a kind of stator punching for freezer compressor electric machine with aluminium winding, comprise punching body, punching body is provided with pilot hole, punching body is provided with teeth portion, punching body is provided with spacing preiection, spacing preiection is provided with the first screwed hole, teeth portion is provided with limited impression, limited impression and spacing preiection match, teeth portion is provided with the second screwed hole, second screwed hole and the first screwed hole match, bolt is through the second screwed hole and the first screwed hole, teeth portion is fixedly connected on punching body, the outside of teeth portion is provided with at least two auxiliary tanks, winding slot is formed between adjacent two teeth portion, punching body is fixedly connected with the bunch collar.The utility model is convenient for changing teeth portion, can carry out protective effect, effectively suppress alveolar torque to stator winding, plays the effect reducing costs, reduce noise and improve electric efficiency.
Description
Technical field
The utility model relates to a kind of stator punching, particularly relates to a kind of stator punching for freezer compressor electric machine with aluminium winding.
Background technology
Along with the quickening of global economic integration progress, electrical appliance industry has basically formed international competition situation.External household electrical appliances Electrical Enterprises relies on advanced production technology and superior product quality to carry out on a large scale cracking the international market, as Daikin Industries and Matsushita Electric Industries in the Soviet Communist Party with investment and production air conditioner compressor motor, beautiful electrical equipment and Japanese Toshiba Carrier Corp set up Anhui Mei Zhi refrigerating equipment corporation, Ltd, production compressor for refrigerator and motor jointly; Meanwhile, European Union, the U.S. arrange " efficiently " technology barriers to import alternating current machine, and some other country also will follow up one after another, to protect its domestic type of industry.Therefore, China's household electrical appliances electromechanics trade faces unprecedented opportunities and challenge.For this reason, promoting enterprise strengthens technological transformation, technological innovation and technological progress, Speeding up development energy-saving and environmental protection, efficiently Domestic electrical equipment necessary electromotor, improve product technology content, capability and performance and the market competitiveness, become an urgent demand improving China's electrical appliance industry international competitiveness.
For freezer compressor, it mainly contains housing, cylinder body, bent axle, piston, connecting rod, motor composition.Wherein, motor is the heart of compressor, and the quality of motor quality, the height of power will directly affect the Energy Efficiency Ratio of compressor.Motor mainly comprises stators and rotators, has space between stators and rotators.Stator is made up of iron core, winding.Iron core is formed by silicon steel sheet closed assembly, forms magnetic circuit, embed stator winding.In order to embed stator winding, some winding slots of punching equably in stator punching, stator winding forming circuit part, its effect is induced electromotive force, flows through electric current, realizes energy converting between mechanical.The stator punching of existing refrigerator compressor motor is provided with teeth portion, winding slot is formed between teeth portion, stator winding is embedded in winding slot, but when running into teeth portion and occurring damaging in various degree or when needing to adjust stator winding, and then need to change teeth portion, such technical staff needs to change whole stator punching, wastes material, improves cost; Technical staff is when carrying out coiling, and winding slot can damage enamel insulated aluminium wire, affects the work of stator winding; And the design of teeth portion is for stator punching, produces alveolar torque, can vibration & noise be caused when machine operation.
Utility model content
The utility model object is to solve the above-mentioned technical problem existed in prior art; a kind of stator punching for freezer compressor electric machine with aluminium winding is provided; be convenient for changing damaged teeth portion; protective effect is carried out to stator winding; effective suppression alveolar torque, plays the effect reducing costs, reduce noise and improve electric efficiency.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of stator punching for freezer compressor electric machine with aluminium winding, comprise punching body, punching body is provided with pilot hole, it is characterized in that: punching body is provided with teeth portion, punching body is provided with spacing preiection, spacing preiection is provided with the first screwed hole, teeth portion is provided with limited impression, limited impression and spacing preiection match, teeth portion is provided with the second screwed hole, second screwed hole and the first screwed hole match, bolt is through the second screwed hole and the first screwed hole, teeth portion is fixedly connected on punching body, the outside of teeth portion is provided with at least two auxiliary tanks, winding slot is formed between adjacent two teeth portion, punching body is fixedly connected with the bunch collar, when teeth portion changed by needs, technical staff is by backing out bolt, just teeth portion can be shifted out punching body, after the teeth portion more renewed, again new teeth portion is moved into the spacing preiection on punching body, complete and more change jobs, without the need to changing whole stator punching, reduce costs, be provided with at least two auxiliary tanks in the outside of teeth portion, auxiliary tank effectively can suppress alveolar torque, reduces noise, and the bunch collar can carry out protective effect to stator winding.
Further, punching body is provided with 24 teeth portion, and teeth portion is arranged about the central point of punching body, improves electric efficiency.
Further, be provided with diaphragm in winding slot, diaphragm can prevent winding slot from damaging enamel insulated aluminium wire.
Further, the inner side of winding slot is provided with slot, and slot blocks diaphragm, and slot can carry out position-limiting action to diaphragm.
Further, Mylar material selected by diaphragm, polyester film good mechanical property, and rigidity, hardness and toughness are high, puncture-resistant, and rub resistance is high temperature resistant, can carry out protective effect to stator winding.
Further, the rectangular shape of auxiliary tank, rectangle auxiliary tank contrast semicircle auxiliary tank, triangle auxiliary tank, it is the most obvious to alveolar torque inhibition.
Further, punching body is provided with the 3rd screwed hole, and the bunch collar is provided with the 4th screwed hole, 4th screwed hole and the 3rd screwed hole match, the bunch collar, by the 4th screwed hole and the 3rd screwed hole, is fixedly connected on punching body by bolt, and this fixed form is simple, convenient.
The utility model, owing to have employed technique scheme, has following beneficial effect:
The utility model occurs damaging or need adjustment stator winding number of share of stock in various degree when running into teeth portion, and then when needing to change teeth portion, technical staff only needs to back out bolt, just can shift out punching body, after the teeth portion more renewed by needing the teeth portion changed, again new teeth portion is moved into the spacing preiection on punching body, tight a bolt, complete and more change jobs, substitute mode is convenient and simple, without the need to changing whole stator punching, reduce cost; Be provided with rectangle auxiliary tank in the outside of teeth portion, rectangle auxiliary tank has positive effect to suppression alveolar torque, can reduce noise, improves motor performance; Polyester film diaphragm is provided with in winding slot; polyester film has good mechanical property; rigidity, hardness and toughness are high; puncture-resistant; rub resistance, resistant to elevated temperatures performance, makes polyester film diaphragm that winding slot can be prevented the damage of enamel insulated aluminium wire; and the bunch collar carries out protective effect to stator winding further, improve motor overload ability.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of a kind of stator punching for freezer compressor electric machine with aluminium winding of the utility model;
Fig. 2 is the structural representation of punching body in the utility model;
Fig. 3 is the structure enlarged diagram at I place in Fig. 1;
Fig. 4 is the structure enlarged diagram at II place in Fig. 2;
Fig. 5 is the structural representation of teeth portion in the utility model;
Fig. 6 be in Fig. 5 A to structural representation;
Fig. 7 is that in the utility model, teeth portion is installed on the structural representation after punching body;
Fig. 8 is the structural representation of the bunch collar in the utility model.
Embodiment
As shown in Figures 1 to 8, for a kind of stator punching for freezer compressor electric machine with aluminium winding of the utility model, comprise punching body 1, punching body 1 is provided with pilot hole 2, punching body 1 is provided with 24 teeth portion 3, teeth portion 3 is arranged about the central point of punching body 1, and stator performance improves, and then improves electric efficiency.Punching body 1 is provided with spacing preiection 4, spacing preiection 4 is provided with the first screwed hole 5, teeth portion 3 is provided with limited impression 6, limited impression 6 and spacing preiection 4 match, teeth portion 3 is provided with the second screwed hole 7, second screwed hole 7 and the first screwed hole 5 match, bolt is through the second screwed hole 7 and the first screwed hole 5, teeth portion 3 is fixedly connected on punching body 1, occur damaging or need adjustment stator winding number of share of stock in various degree when running into teeth portion 3, and then when needing to change teeth portion 3, technical staff only needs to back out bolt, just can shift out punching body 1 by needing the teeth portion 3 changed, after the teeth portion 3 more renewed, again new teeth portion 3 is moved into the spacing preiection 4 on punching body 1, tight a bolt, complete and more change jobs, substitute mode is convenient and simple, without the need to changing whole stator punching, reduce cost.The outside of teeth portion 3 is provided with at least two auxiliary tanks 8, during in order to prove that auxiliary tank 8 has the effect suppressing alveolar torque, select the auxiliary tank of three shapes: rectangle auxiliary tank, semicircle auxiliary tank and triangle auxiliary tank, experimental study is carried out under specified slot with deep feeling condition, display result is: when not opening auxiliary tank, alveolar torque is 304.8mNm, when the groove depth designed, the alveolar torque of rectangle auxiliary tank is 249.6mNm, have dropped 18.1%; The alveolar torque of triangle auxiliary tank is 274.2mNm, have dropped 10.0%; The alveolar torque of semicircle auxiliary tank is 264.1mNm, have dropped 13.3%.Obviously, rectangle auxiliary tank contrast semicircle auxiliary tank, triangle auxiliary tank, it is the most obvious to alveolar torque inhibition, so auxiliary tank of the present utility model 8 is designed to rectangular-shaped, such rectangle auxiliary tank can reduce the vibration & noise of motor, improves electric efficiency.Form winding slot 9 between adjacent two teeth portion 3, in winding slot 9, embed stator winding, stator winding induced electromotive force, flow through electric current, realize energy converting between mechanical.Diaphragm 11 is provided with in winding slot 9; the inner side of winding slot 9 is provided with slot 12, and slot 12 blocks diaphragm 11, and slot 12 can carry out position-limiting action to diaphragm 11; Mylar material selected by diaphragm 11; polyester film good mechanical property, rigidity, hardness and toughness are high, puncture-resistant; rub resistance; high temperature resistant, protective effect can be carried out to stator winding, prevent enamel insulated aluminium wire to be destroyed.Punching body 1 is fixedly connected with the bunch collar 10, punching body 1 is provided with the 3rd screwed hole 13, the bunch collar 10 is provided with the 4th screwed hole 14, 4th screwed hole 14 and the 3rd screwed hole 13 match, bolt is by the 4th screwed hole 14 and the 3rd screwed hole 13, the bunch collar 10 is fixedly connected on punching body 1, this fixed form is simple, convenient, because one stock of stator winding lays out stator punching, the bunch collar 10 can hold onto becoming the stator winding of stock, increase the stability of stator winding, further protective effect is carried out to stator winding, improve motor overload ability.The utility model optimal design stator punching, improve motor overload ability and power, reduce cost, strengthen technological transformation, technological innovation and technological progress, Speeding up development energy-saving and environmental protection, efficiently freezer compressor electric machine with aluminium winding, improve product technology content, capability and performance and the market competitiveness.
These are only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto.Any based on the utility model, for solving substantially identical technical problem, realize substantially identical technique effect, done simple change, equivalent replacement or modification etc., be all covered by among protection range of the present utility model.
Claims (7)
1. the stator punching for freezer compressor electric machine with aluminium winding, comprise punching body, described punching body is provided with pilot hole, it is characterized in that: described punching body is provided with teeth portion, described punching body is provided with spacing preiection, described spacing preiection is provided with the first screwed hole, described teeth portion is provided with limited impression, described limited impression and described spacing preiection match, described teeth portion is provided with the second screwed hole, described second screwed hole and described first screwed hole match, bolt is through described second screwed hole and described first screwed hole, described teeth portion is fixedly connected on described punching body, the outside of described teeth portion is provided with at least two auxiliary tanks, winding slot is formed between adjacent two described teeth portion, described punching body is fixedly connected with the bunch collar.
2. a kind of stator punching for freezer compressor electric machine with aluminium winding according to claim 1, is characterized in that: described punching body is provided with 24 described teeth portion, and described teeth portion is arranged about the central point of described punching body.
3. a kind of stator punching for freezer compressor electric machine with aluminium winding according to claim 1, is characterized in that: be provided with diaphragm in described winding slot.
4. a kind of stator punching for freezer compressor electric machine with aluminium winding according to claim 3, is characterized in that: the inner side of described winding slot is provided with slot, and diaphragm is stated in described slot card residence.
5. a kind of stator punching for freezer compressor electric machine with aluminium winding according to claim 3, is characterized in that: Mylar material selected by described diaphragm.
6. a kind of stator punching for freezer compressor electric machine with aluminium winding according to claim 1, is characterized in that: the rectangular shape of described auxiliary tank.
7. a kind of stator punching for freezer compressor electric machine with aluminium winding according to claim 1, it is characterized in that: described punching body is provided with the 3rd screwed hole, the described bunch collar is provided with the 4th screwed hole, described 4th screwed hole and described 3rd screwed hole match, the described bunch collar, by described 4th screwed hole and described 3rd screwed hole, is fixedly connected on described punching body by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324550.9U CN204706966U (en) | 2015-05-19 | 2015-05-19 | A kind of stator punching for freezer compressor electric machine with aluminium winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324550.9U CN204706966U (en) | 2015-05-19 | 2015-05-19 | A kind of stator punching for freezer compressor electric machine with aluminium winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204706966U true CN204706966U (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520324550.9U Expired - Fee Related CN204706966U (en) | 2015-05-19 | 2015-05-19 | A kind of stator punching for freezer compressor electric machine with aluminium winding |
Country Status (1)
| Country | Link |
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| CN (1) | CN204706966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579604A (en) * | 2017-10-13 | 2018-01-12 | 北京航空航天大学 | Stator punching and there is its control-moment gyro framework torque motor |
-
2015
- 2015-05-19 CN CN201520324550.9U patent/CN204706966U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579604A (en) * | 2017-10-13 | 2018-01-12 | 北京航空航天大学 | Stator punching and there is its control-moment gyro framework torque motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151014 Termination date: 20180519 |