CN1088936C - Motor with burn-out protector - Google Patents
Motor with burn-out protector Download PDFInfo
- Publication number
- CN1088936C CN1088936C CN96120194.0A CN96120194A CN1088936C CN 1088936 C CN1088936 C CN 1088936C CN 96120194 A CN96120194 A CN 96120194A CN 1088936 C CN1088936 C CN 1088936C
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- China
- Prior art keywords
- burn
- out protector
- mentioned
- motor
- protector
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- 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.)
- Expired - Fee Related
Links
- 230000001012 protector Effects 0.000 title claims abstract description 79
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 13
- 239000000057 synthetic resin Substances 0.000 claims abstract description 13
- 230000004308 accommodation Effects 0.000 claims description 24
- 238000005476 soldering Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 description 19
- 238000003199 nucleic acid amplification method Methods 0.000 description 19
- 238000004804 winding Methods 0.000 description 14
- 239000004020 conductor Substances 0.000 description 13
- 238000009434 installation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
A burn-out protector is built in the motor of various types of air-conditioner. A burn-out protector containing part is formed on a connection plate having a conductive metal being built in a motor in order to connect a coil and a lead while being reinforced by a synthetic resin. A part of the conductive metal is internally exposed and connected electrically with the terminal of a burn-out protector. This structure facilitates fixing of the burn-out protector in the motor while minimizing the required space and ensures a stabilized operating temperature.
Description
The present invention relates to the motor mainly as the band burn-out protector of blower-use such as air conditioner, various household electrical appliance.
The motor of using on air conditioner in the past and the various household electrical appliance; for dealing with the abnormality such as be obstructed that rotates on the output shaft; even main the employing when reaching extremely unusually according to temperature rise; motor also can bear the temperature rise that does not cause the scaling loss degree and select motor size or coil specification, makes it have the so-called impedance protecting method of enough surpluses.
Yet in recent years along with air conditioner or various household electrical appliance develop to small-sized, high speed direction rapidly, the motor that requires to be used on these equipment also reaches miniaturization, high powerization, and this is for not adapting to traditional impedance protecting method.Therefore, the two class burn-out protectors that are installed in the motor that present corresponding employing is following are becoming main flow, motor size or coil specification allowable temperature under common user mode of selection are risen in prescribed limit, and a class adapts to the recovery formula burn-out protector of the what is called heat protection of overheating for using bimetallic; The another kind of non-recovery formula burn protective device that is to use the so-called thermal cut of the materials such as metal that under set point of temperature, fuse.
Below, describe with Fig. 5 described later-9 pair of traditional motor with burn-out protector.
Fig. 5 is general capacitor operating type monocyclic-start induction motor winding diagram.Main winding and be in parallel with the auxiliary winding of capacitors in series with running in auxiliary winding, because of the phase shift effect of running with capacitor, has than leading about 90 electric currents of spending phase angles of main winding and flows through.The rotating magnetic field that takes place by these two groups of windings makes and induced current takes place in 2 partial conductors of rotor obtains rotary torque.Burn-out protector 1 series connection is inserted between the connecting portion and power supply of main winding and auxiliary winding, and forming can be with the dump of main winding and auxiliary winding when making the burn-out protector action because of overheating.
Fig. 6 is the figure of the scaling loss protection portion finished product in the motor of the traditional band burn-out protector of expression.After the heart yearn portion 4 of the conductor terminal 2 of one side of burn-out protector 1 and lead-out wire 3 reeled mutually, be connected and fixed with soldering 5.Behind the opposite side conductor terminal 2a and motor winding 11 coilings with burn-out protector 1, be connected and fixed with soldering 5.Use the conductor terminal 2 of insulated tube 6 then with burn-out protector, 2a, the heart yearn portion 4 of lead-out wire 3, the end of coil 11 and soldering portion 5 hide and reach insulation protection again, bend to the scaling loss protection portion finished product 7 of shape as shown in Figure 6 thereby form.In addition, motor winding 11 insulation protection when carrying out the end pulled out uses thin insulated tube 6a to hide.
Fig. 7 protects scaling loss for expression the figure of the 1st conventional case that portion's finished product installs on motor.The inner peripheral surface of the stator core 8 with many grooves is exposed like that; surround, form coiling frame 9 with synthetic resin; coil 11 is wound on this coiling frame 9, thereafter, finishes installation in the space outstanding in portion's finished product 7 insertion grooves 12 by scaling loss is protected.This structure, its operating temperature is stable, installs also fairly simple, yet, can hold scaling loss protection portion finished product 7 in the groove in order to make, make winding space produce the minimizing of respective degrees, thereby have must export or efficient aspect make the shortcoming of corresponding sacrifice motor performance.
Fig. 8 protects scaling loss for expression the figure of the 2nd conventional case that portion's finished product installs on motor.Be to protect portion's finished product 7 on coil 11, to tie scaling loss with line etc. fixedly to replace its spatial interpolation of vacating to groove is gone into.This structure is because the space that need not to guarantee to hold scaling loss protection portion finished product 7 in groove; thereby do not exist in the shortcoming that motor performance is sacrificed in output or efficient aspect yet; and operating temperature is also more stable; yet; owing to protecting portion's finished product 7 fixing operation on coil 11 to have to carry out handwork scaling loss with line etc., also extremely miscellaneous, and need be skilled in technique; thereby exist and to make the motor manufacturability poor, the shortcoming that cost is high.
Fig. 9 is for protecting scaling loss in the figure of the 3rd conventional case that portion's finished product installs on motor; form the stator mould in the following way and form product 10; at least the inner peripheral surface of the stator core (not shown) with many grooves is exposed and surround with synthetic resin; form coiling frame (not shown); coil (not shown) is wound on this coiling frame; the lead-out wire 3a that will link to each other with the conductor terminal of scaling loss protection portion finished product 7 and for and electric power loop; or the lead-out wire 3 that other external electrical loop links to each other draws state, adorns mould outward with motor and annotates resin 13 and possess at its peripheral part and be positioned near the lead-out wire lead division; for the burn-out protector accommodation section 14 that fixed head 15 is inserted chimeric slot part forms one together.Protect portion's finished product 7 to put into burn-out protector accommodation section 14 scaling loss; then; rubber-like fixed head 15 is inserted in the slot part of burn-out protector accommodation section 14, fix just as protecting portion's finished product 7 to form to push on the product 10 scaling loss to the stator mould with the elasticity pressure of fixed head 15.This structure; be easier to though have on the stator finished product, to install; and need not to guarantee to protect portion's finished product 7 to be placed in the advantage in space in the groove scaling loss, but burn-out protector is linked to each other with atmosphere, and exist operating temperature to be subject to the temperature on every side or the advantages such as influence of wind owing to constituting.
In addition, in above-mentioned all conventional case, owing to all need have the assembling procedure that carries out scaling loss protection portion finished product 7, thus produce the common drawback that manufacturability is poor, the motor cost is high.
From the above conventional case as can be known; in having the motor of burn-out protector; existence is because of the installation site of burn-out protector, operating temperature instability and the handwork because of burn-out protector is installed trouble, need be skilled in technique on motor that installation method causes burn-out protector; thereby make manufacturability poor, have to make the problem of motor cost raising.In addition,, need have the space naturally, thereby become the obstacle of motor miniaturization in motor interior in order to dispose burn-out protector.
The present invention is just in order to solve this problem, purpose be to provide have that operating temperature is stable, burn-out protector accounts for minimum installing space and install easily, cost is low and the motor of small-sized light weight.
For the motor of the band burn-out protector of the present invention that solves above-mentioned problem constitutes as follows; on terminal block; form the accommodation section that holds burn-out protector with the synthetic resin that surrounds conductive metal; and; in the described accommodation section; be configured in position corresponding to above-mentioned burn-out protector portion of terminal; the part of above-mentioned conductive metal is exposed, the above-mentioned burn-out protector terminal that is contained in above-mentioned accommodation section is formed with a part of exposing the above-mentioned conductive metal that is configured in above-mentioned accommodation section be electrically connected.
Can provide in view of the above the motor that the cheap and small-sized light weight of as easy as rolling off a log burn-out protector is stablized and assembled to operating temperature is installed in it.
For example of the present invention be; possesses the rotor that carries out pivoting support with bearing; be configured to and above-mentioned rotor cover opposite; stator core with many grooves; make exposing in the face of the one side of described rotor at least of said stator iron core; surround the coiling frame that forms with synthetic resin; be wound on the coil on this coiling frame; with synthetic resin a plurality of conductive metal are surrounded the formation one; the connecting portion of the lead-out wire that is connected with described coil and external electrical loop is exposed; the terminal block that above-mentioned coil and above-mentioned lead-out wire are electrically connected; series connection is inserted in the motor of the burn-out protector at electric power loop in the said external electric loop and at least one place between above-mentioned coil; owing to form the accommodation section that holds burn-out protector with the synthetic resin that surrounds above-mentioned terminal block; and in above-mentioned accommodation section; in position corresponding to above-mentioned burn-out protector portion of terminal; be configured to make the part of above-mentioned conductive metal to expose; above-mentioned burn-out protector terminal that is contained in above-mentioned accommodation section and the part formation of exposing the above-mentioned conductive metal that is configured in above-mentioned accommodation section are electrically connected; can be with less installing space and the effect that burn-out protector is installed easy as can so have; also because it is configured near the coil of motor interior, so have the effect that to guarantee that the operating temperature stable state is installed.
In addition, owing to be electrically connected fixingly expose between the conductive metal that is configured in the burn-out protector accommodation section and burn-out protector terminal formation, had and can finish the high effect that is electrically connected of reliability with the such simple tool of soldering iron with soldering.
Also available riveted joint make expose form between the conductive metal that is configured in the burn-out protector accommodation section and burn-out protector terminal be electrically connected fixing; owing to when being electrically connected, need not heating; even thereby, also have effect that not worry to carry out to fusing operation in the occasion that non-nerve burn-out protector as thermal cut has been installed.
In addition, also available energising welding makes exposes between the conductive metal that is configured in the burn-out protector accommodation section and burn-out protector terminal formation and is electrically connected fixingly, has the advantage that can easily work continuously with automatic equipment.
Simple declaration to accompanying drawing.
Fig. 1 (a) is the profile of the motor composition of expression the present invention the 1st embodiment band burn-out protector, (b) is the coil finished product stereogram according to the present invention the 1st embodiment, (c) is the profile along the present invention's the 1st embodiment terminal block A-A line,
Fig. 2 (a) is the present invention's the 1st embodiment burn-out protector installation portion stereo amplification figure, (b) for the connecting portion stereo amplification figure of burn-out protector state to be set, and (c) for pushing the connecting portion stereo amplification figure after the soldering,
Fig. 3 (a) is the stereo amplification figure of expression the present invention the 2nd embodiment with the burn-out protector installation portion of riveted joint connection, (b) for the connecting portion stereo amplification figure of burn-out protector state to be set, (c) is the stereo amplification figure of riveting the back connecting portion,
Fig. 4 (a) is for representing the stereo amplification figure of the burn-out protector installation portion that the present invention the 3rd embodiment is welded to connect with switching on; (b) at the stereo amplification figure that burn-out protector state connecting portion is set, (c) be the connecting portion stereo amplification figure after the welding of switching on.
Fig. 5 is the winding diagram of the general monocyclic-start induction motor of expression,
Fig. 6 is the figure of the traditional scaling loss protection portion finished product internal structure of expression,
Fig. 7 installs the stereogram of example 1 for expression with traditional scaling loss protection portion finished product on motor,
Fig. 8 installs the stereogram of example 2 for expression with traditional scaling loss protection portion finished product on motor,
Fig. 9 installs the stereogram of example 3 for expression with traditional scaling loss protection portion finished product on motor,
Below, describe with Fig. 1-4 pair embodiment of the invention.
(embodiment 1)
The profile that Fig. 1 (a) forms for the motor of expression the present invention the 1st embodiment band burn-out protector; Fig. 1 (b) is the stereogram of the coil finished product of the motor of expression the present invention the 1st embodiment band burn-out protector, and Fig. 1 (c) is the amplification profile along terminal block A-A line of Fig. 1 (b).Among Fig. 1, rotor 24 can freely be turned round by bearing 23 supportings.Stator core 8 (referring to Fig. 7) surrounds the periphery of rotor 24, keeps predetermined gap mutually, and coil 11 is passed through bobbin 9 in a plurality of grooves of stator core 8.Make for carry out with coil 11 and in be located at burn-out protector 1 and the loop-coupled lead-out wire 3 of external electrical in the motor connecting portion expose, conductive metal 19 is comprised and one constitutes terminal block 16 with synthetic resin 18, and supports with the frame 9 that winds the line.With soldering lead-out wire 3 and coil 11 are electrically connected with the conductive metal of exposing from terminal block.
Fig. 2 (a) is the stereo amplification figure of the present invention with the 1st embodiment burn-out protector installation portion of soldering connection; Fig. 2 (b) is at the stereo amplification figure of the connecting portion that the burn-out protector state is set, Fig. 2 (c) for push, the stereo amplification figure of connecting portion after the soldering.Among Fig. 2, the top of the conductor terminal 2 that is installed in the burn-out protector 1 in the accommodation section 17 is configured to be in use by a part that makes conductive metal 19 exposes the position that the portion of having cut 20 that is provided with clamps.Then; push along arrow F direction by having cut portion 20, make distortion and make conductor terminal 2 and conductive metal 19 temporarily fixing, last; with soldering the temporary transient fixed part of conductor terminal 2 and conductive metal 19 is connected and fixed, and finishes the installation of burn-out protector.
(embodiment 2)
Fig. 3 (a) is the stereo amplification figure of the present invention the 2nd embodiment with the installation portion of the burn-out protector of riveted joint connection, and Fig. 3 (b) is the stereo amplification figure at the connecting portion that the burn-out protector state is set, and Fig. 3 (c) is the stereo amplification figure of riveted joint back connecting portion.Among Fig. 3, be configured to the top of conductor terminal 2 that is installed in the burn-out protector 1 in the accommodation section 17 crookedly, be in to use and expose the position that the riveted joint be arranged to is embraced with claw 21 by a part that makes conductive metal 19 by 90 degree.Then,, make riveted joint bite conductor terminal 2 and press like that and rivet, thereby finish the installation of burn-out protector 1 with pawl by pushing from arrow F2 direction.
(embodiment 3)
Fig. 4 (a) is the burn-out protector installation portion stereo amplification figure of the present invention the 3rd embodiment with the energising welding, and Fig. 4 (b) is for to be provided with the connecting portion stereo amplification figure of burn-out protector state, and Fig. 4 (c) is the connecting portion stereo amplification figure after the energising welding.Among Fig. 4; with expose the conductor terminal maintaining part 22 that is provided with by a part that makes conductive metal 19 top of the conductor terminal 2 that is installed in the burn-out protector 1 in the accommodation section 17 is clamped; by sandwiching from arrow F3 direction with electrode; one side is pressurizeed and the energising heating; carry out the welding of maintaining part 22 and conductor terminal 2, thereby finish the installation that forms the scaling loss holding device that is electrically connected.
In the above-described embodiments, conductive metal 19 is the members that form through pressure processing with copper, brass or the high metallic plate of other copper alloy one class conductance.
In addition, coiling frame 9 and synthetic resin 18 are to use polyethylene to thermoplastic resins such as acyl acid fat or polybutene terephalic acid fat, and synthetic resin 13 can use thermoplastic resins such as thermosetting resin such as BMC or polyethylene terephalic acid fat.
As mentioned above, if according to the present invention, can obtain and easily burn-out protector to be assembled to motor interior, and make the motor of stable inexpensive, the high-quality of operating temperature, small-sized, light weight.
Claims (4)
1. motor with burn-out protector; comprise rotor with the bearing pivoting support; be configured to surround described rotor outer peripheral face according to having specified gap; stator core with many grooves; surround formation with synthetic resin; at least make the coiling frame that exposes in the face of the one side of described rotor of described stator core; be wound on the coil on this coiling frame; with synthetic resin a plurality of conductive metal are surrounded and to form one and the connecting portion of described coil and the lead-out wire that is connected the external electrical loop etc. is exposed; make above-mentioned coil and above-mentioned lead-out wire form the terminal block that is electrically connected; series connection is inserted in the lead-out wire that is connected with electric power loop in the said external electric loop and the burn-out protector between the above-mentioned coil; it is characterized in that; form the accommodation section that holds burn-out protector with the synthetic resin that surrounds above-mentioned terminal block; and; in above-mentioned accommodation section in position corresponding to above-mentioned burn-out protector portion of terminal; be configured to make the part of above-mentioned conductive metal to expose, and the terminal of the above-mentioned burn-out protector that is contained in above-mentioned accommodation section and the part formation of exposing the above-mentioned conductive metal that is configured in above-mentioned accommodation section are electrically connected.
2. the motor of band burn-out protector according to claim 1 is characterized in that, is electrically connected exposing to form between the conductive metal that is configured in the burn-out protector accommodation section and burn-out protector terminal with soldering.
3. the motor of band burn-out protector according to claim 1 is characterized in that, is electrically connected exposing to form between the conductive metal that is configured in the burn-out protector accommodation section and burn-out protector terminal with riveted joint.
4. the motor of band burn-out protector according to claim 1 is characterized in that, is electrically connected exposing to form between the conductive metal that is configured in the burn-out protector accommodation section and burn-out protector terminal with energising welding.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7316266A JPH09163684A (en) | 1995-12-05 | 1995-12-05 | Motor with burn-out protector |
| JP316266/95 | 1995-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1162859A CN1162859A (en) | 1997-10-22 |
| CN1088936C true CN1088936C (en) | 2002-08-07 |
Family
ID=18075188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96120194.0A Expired - Fee Related CN1088936C (en) | 1995-12-05 | 1996-09-28 | Motor with burn-out protector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH09163684A (en) |
| CN (1) | CN1088936C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100757A (en) * | 2013-04-12 | 2014-10-15 | 株式会社不二工机 | Electromagnetic coil device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186747A (en) * | 2015-07-29 | 2015-12-23 | 顿力集团有限公司 | Motor stator winding |
-
1995
- 1995-12-05 JP JP7316266A patent/JPH09163684A/en active Pending
-
1996
- 1996-09-28 CN CN96120194.0A patent/CN1088936C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100757A (en) * | 2013-04-12 | 2014-10-15 | 株式会社不二工机 | Electromagnetic coil device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09163684A (en) | 1997-06-20 |
| CN1162859A (en) | 1997-10-22 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020807 Termination date: 20120928 |