CN103683607B - The starter of stator cross-line and the method for adjustment starter output characteristic can be adjusted - Google Patents
The starter of stator cross-line and the method for adjustment starter output characteristic can be adjusted Download PDFInfo
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Abstract
The present invention disclose a kind of can adjust stator cross-line starter and the method for adjustment starter output characteristic, the starter that can adjust stator cross-line comprises electromagnetic switch, field frame assembly, rotor assembly, brush floor pan assembly, wherein, described field frame assembly comprises casing again, magnetic pole, stator coil, stator lead and connect the stator cross-line of each coil, the different output characteristic of starter is obtained by the resistance value adjusting described stator cross-line, the resistivity of material of described stator cross-line or current density are greater than resistivity of material or the current density of stator coil and stator lead.Thus a series of starter possessing different stator cross-line is provided, such starter can meet various different applications environment, and can burn front fusing, with the stator coil of protection starting machine, armature, electromagnetic switch etc. by hot parts easy in starter.The present invention also provides a kind of cross-line by adjustment starter stator assembly to change the method for the output characteristic of starter.
Description
Technical field
The present invention relates to a kind of method of starter and adjustment starter output characteristic, especially relate to a kind of method that cross-line by adjustment starter stator assembly changes the output characteristic of starter and the overtemperature protection of starter.
Background technology
The starter output characteristic of mating needed for different engines is different, and the engine of usual higher displacement, higher compression ratios needs the starter of higher output power and higher output torque.Otherwise under some applied environments, required power lower starter relative to moment of torsion, especially for the starter of positively engaging, the matching of it and engine requires higher, if matching is bad, is then easy to the fault occurring mill teeth or gear ring wearing and tearing.
And in order to adjust the performance of starter, the method that starter industry is commonly used is achieved the goal by the change electromagnetic parameter of stator coil, the parameter etc. of armature, and these methods need to redesign many relevant parts usually, or even change stator diameter and the total length of starter.Also mention in the patent of CN2066902U and increase deceleration device on starter, changed the output characteristic of starter by adjustment speed reducing ratio.
According to these modes, then not only extend the construction cycle of product, improve the management cost of the development cost of product, the manufacturing cost of product and product, also have impact on the adaptability of product space, reduce the competitiveness of product in market.
In addition, for starter, fault the most common is that the fault of even burning appears failure of insulation, in the parts of heating.The parts of heating mainly comprise: field frame assembly, rotor assembly, electromagnetic switch etc.
And working as previous aspect, all there is clear and definite requirement in much well-known engine producer to the failure rate after sale of starter, and the quality of product decides the height of product introduction market threshold; On the other hand, a hundred flowers blossom in starter manufacturer, and each producer all wishes oneself can command market, and the prerequisite of commanding market then needs within the shortest time, release the product of meeting customer need, and requires that the cost of product is low as much as possible simultaneously.
Therefore, we need to find a kind of most economical, method for designing the most rapidly, expand the scope of application of identical product development platform, save product development cycle, cost and management of product cost; Reduce the failure rate of starter and the maintenance cost of starter simultaneously, with the customer satisfaction of improving product, improve the competitiveness of product in market.
Summary of the invention
Technical problem to be solved by this invention is; a kind of cross-line by adjustment starter stator assembly is provided to change the output characteristic of starter and the starter of overtemperature protection and method of adjustment; thus a series of starter possessing different stator cross-line is provided; such starter can meet various different applications environment; and the stator cross-line of starter has maximum thermal power and current density; it can burn front fusing, with the stator coil of protection starting machine, armature, electromagnetic switch etc. by hot parts easy in starter.
To achieve these goals, the invention provides a kind of starter that can adjust stator cross-line, comprise electromagnetic switch, field frame assembly, rotor assembly, brush floor pan assembly, wherein, described field frame assembly comprises again casing, magnetic pole, stator coil, stator lead and connects the stator cross-line of each coil, it is characterized in that, obtain the different output characteristic of starter by the resistance value adjusting described stator cross-line, the resistivity of material of described stator cross-line or current density are greater than resistivity of material or the current density of stator coil and stator lead.
The above-mentioned starter that can adjust stator cross-line, wherein said stator coil is four, described stator cross-line is two groups four, first coil, the second coil are parallel to described stator lead respectively by first group of two stator cross-line, second group of two stator cross-line are connected the first coil and tertiary coil and the second coil and the 4th coil respectively, and the resistance value in two shunt circuits is equal.
The above-mentioned starter that can adjust stator cross-line, the resistance value of wherein said adjustment stator cross-line comprises: adjust the material category of described stator cross-line, adjust sectional area and the length of described stator cross-line.
The above-mentioned starter that can adjust stator cross-line, the material wherein often organizing described stator cross-line is identical, and sectional area and the length of first group of stator cross-line and second group of stator cross-line are identical or not identical.
The above-mentioned starter that can adjust stator cross-line, the material wherein often organizing described stator cross-line is identical, a stator cross-line in first group is identical with length with the sectional area of the stator cross-line of in second group, and another stator cross-line in first group is identical with length with the sectional area of another stator cross-line in second group.
The above-mentioned starter that can adjust stator cross-line, wherein often organize the material of described stator cross-line for different, the sectional area often organizing described stator cross-line is not identical with length yet.
The above-mentioned starter that can adjust stator cross-line, the material of wherein said stator cross-line is the electric conducting materials such as constantan, iron, lead-antimony alloy or nichrome.
To achieve these goals, present invention also offers a kind of method adjusting starter output characteristic, the field frame assembly of starter comprises stator coil, stator lead and connects the stator cross-line of each coil, described stator coil is four, stator cross-line is two groups, described four stator coils are two and two strings by two groups of stator cross-lines connections, it is characterized in that, comprising:
Step one, the target engine mated as required, determines the power possessed needed for starter;
Step 2, according to thermal power or the current density of the heat-generating component in starter loop except stator cross-line, calculates the required resistance value of stator cross-line;
Step 3, selects the cross section of cross-line and length and material according to the space of field frame assembly inside and required resistance value, wherein, keeps the resistance value in two shunt circuits equal.
The method of above-mentioned adjustment starter output characteristic, in wherein said step 3, the material often organizing described stator cross-line is identical or not identical, and sectional area and the length of often organizing stator cross-line are identical or not identical.
Above-mentioned starter stator cross-line, the resistivity of material of wherein said stator cross-line or current density are greater than resistivity of material or the current density of stator coil and stator lead.
Technique effect of the present invention is: on the one hand under different applied environments, only need adjust the material of stator cross-line, cross section, length to change the internal resistance of starter, for same starter, the length of the material of stator cross-line, cross section and each subbranch can not wait, but need ensure that the resistance value in each parallel branch of field frame assembly is equal, namely cross-line should be symmetrical in each electric branch road.So just can go out meet with simple, the most most economical patten's design a series of starters of the different demand of client; On the other hand because stator cross-line has maximum thermal power and current density, it can fuse before all the other parts of starter burn, and the striking point of cross-line is the securing position preset, the exception of the electromagnetic switch of starter, armature, field frame assembly can be avoided like this to burn, to reduce the failure rate after sale of starter, and for the stator cross-line fused, simple technique correct can be adopted to make it recover normal work, which decrease the maintenance cost of product.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of starter assembly of the present invention;
Fig. 2 is that the present invention starts dynamo-electric circuit diagram;
Fig. 3 is the structural representation of field frame assembly in starter of the present invention;
Fig. 4 is the result of the test figure of relation between starter internal resistance and starter power.
Wherein, Reference numeral
1 electromagnetic switch
11 switch movable contact dishes
1230 terminals
1330b terminal
2 field frame assemblies
22a, 22b first group of stator cross-line
22c, 22d second group of stator cross-line
23a, 23b, 23c, 23d stator coil
3 rotor assemblies
31 commutators
32 armature lines
4 brush floor pan assemblies
41a, 41b positive brush
42a, 42b negative pole brush
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail:
Specific embodiment as shown in Figure 1, the starter that the present invention discloses mainly comprises electromagnetic switch 1, field frame assembly 2, rotor assembly 3, brush floor pan assembly 4 etc.The output characteristic of starter is except outside the Pass having with external power supply, and also with the field frame assembly 2 of starter, rotor assembly 3 and brush floor pan assembly 4 etc. have close contact.
After electromagnetic switch 1 is energized, dynamic iron core 14 moves to static iron core 15 under the effect of electromagnetic force, thus tactile disk 11 is contacted with 30b terminal with fixed contact 30 terminal simultaneously, the i.e. closing of contact of electromagnetic switch, electric current flows into coil and the positive brush of field frame assembly 2 through the closed contact of electromagnetic switch 1 and stator lead 21, stator coil produces magnetic field after obtaining electricity, the electric current of positive brush flows into rotor assembly 3 through commutator 31 again, after armature line 32 obtains electricity, rotate in the magnetic field that stator coil produces, the moment of torsion produced exports through the transmission of starter and deceleration system.
Refer to the electric circuit diagram that Fig. 2 is starter inside.After the closing of contact of electromagnetic switch assembly 1, foreign current is through stator lead 21, flow into first group of stator cross-line 22a and 22b of field frame assembly respectively, then the first coil 23a and the second coil 23c of field frame assembly is reached, tertiary coil 23b and the 4th coil 23d of stator is arrived again through second group of stator cross-line 22c and 22d, arrive rotor assembly 3 through positive brush again, finally by negative pole brush 42a and 42b ground connection, form loop.
As can be seen from Figure 2, the resistance of field frame assembly comprises stator lead 21, stator cross-line 22a, 22b, 22c, and 22d, stator coil 23a, 23b, 23c, 23d, positive brush 41a and 41b form.From theory; the resistance adjusting any link in above-mentioned starting electromechanical circuit can change the internal resistance of starter; but change complexity and be different on the impact that starter causes; the present invention proposes a kind of reaching by changing stator cross-line and change starter internal resistance, adjustment starter output characteristic and protection starting machine easily burn the method for parts.
Refer to the structural representation that Fig. 3 is the field frame assembly of an embodiment in the present invention, as shown in the figure, four coil 23a, 23b, 23c, the connected mode of 23d is two and two strings, stator cross-line 22a and 22b is after welding, its one end is all electrically connected with stator lead 21, the other end is electrically connected with stator coil 23a and 23b respectively, the two ends of cross-line 22c respectively with stator coil 23a, one end electrical connection of 23d, the two ends of cross-line 22d respectively with the 23b of stator coil, one end electrical connection of 23c, select second group of stator cross-line 22c and 22d for cross section and corresponding length can be changed in the present embodiment, namely be in manufacture course of products, according to the different needs of power, according to design in advance, be replaced by different materials, the cross-line of different cross section and length.The material of cross-line is constantan can also be the material that the resistivity such as iron, lead-antimony alloy or nichrome are large.
Other execution mode of the present invention, keeping under the prerequisite that the resistance in field frame assembly two shunt circuits is equal, also first group of stator cross-line 22a and 22b these two sections can be selected to adjust by changing cross section, in addition, the present invention can adjust any two stator cross-lines, such as, first group of stator cross-line 22a and 22b can be selected to be identical sectional area and length, second group of stator cross-line 22c and 22d is identical sectional area and length; Can also select, first group of stator cross-line 22a and second group of stator cross-line 22c is identical sectional area and length, and first group of stator cross-line 22b and second group of stator cross-line 22d is identical sectional area and length; Or first group of stator cross-line 22b and second group of stator cross-line 22c is identical sectional area and length, first group of stator cross-line 22a and second group of stator cross-line 22d is the multiple choices such as identical sectional area and length, again or, stator cross-line 22a, 22b, 22c, the sectional area of 22d can also be all not identical with length, as long as but guarantee that the resistance in field frame assembly two shunt circuits is equal.
Further, specifically describe the present invention and determine each cross section of cross-line branch and the method for length according to the resistance value of stator cross-line, resistivity.
First consulting Fig. 4 is the test data that between research starter internal resistance and power, the series of experiments that carries out of relation obtains.The present invention is studied the crucial output characteristic power of starter and the relation of stator resistance by the method for test, according to this means, and the starter internal resistance value needed for determination that can be quantitative.Pass through adjustment stator cross-line according to this test data and the present invention, and change the resistance of field frame assembly and the internal resistance of starter, thus successful change of the technological means of starter output characteristic, just can obtain the starter of a series of satisfied different demand.
Determine that stator cross-line should consider its thermal power, make stator cross-line starter be energized for a long time or abnormal big current by time can fuse prior to other parts of starter.Data from above: the power that obtain 3kw, for the starter of this development platform, its motor resistance should be 24.77m Ω, if so there is now its power of a starter to be certain particular value P, its power is wished to be adjusted to desired value 3Kw, as long as test its resistance R, calculate the difference △ R of its resistance and target resistance 24.77, the design process of its cross-line is as follows:
The cross-line of a first selected certain material, as constantan, its electricalresistivityρ is the constant that can inquire about, then the length L of cross-line is determined, it is limited to the internal diameter φ of stator cage, the internal diameter φ of stator cage is the design load determined, so the maximum of cross-line length is Lmax=π φ/4, the sectional area S of cross-line then will consider thermal power or the current density of the heat radiation parts of starter inside, the heat radiation parts of main consideration comprise stator coil, armature line and brush, and thermal power and current density are constantly changes in the starter course of work, a certain special operation condition such as the on-position so can selected in the starter course of work calculates.Wherein the thermal power of heat sink is Pi=I2*Ri, current density Ai=I/Si, I is stalling current, Ri is the resistance of heat sink, Si is the sectional area of heat sink, these are known design load, according to the current density A < Ai of designing requirement cross-line, power P < Pi, so just obtain the maximum secting area Smax of cross-line, last by formula △ R=ρ L/S, wherein △ R is known, ρ is constant, L is the length of cross-line, S is the sectional area of cross-line, as long as select L < Lmax, S < Smax, so just determine the relevant parameter of cross-line.
The present invention also discloses a kind of method adjusting starter output characteristic, comprises step:
The first, the target engine mated as required, determines the power possessed needed for starter;
The second, according to thermal power or the current density of the heat-generating component in starter loop except stator cross-line, calculate the required resistance value of stator cross-line;
3rd, select the cross section of cross-line and length and material according to the space of field frame assembly inside and required resistance value, wherein, keep the resistance value in two shunt circuits equal;
4th, select the resistivity of material of stator cross-line or current density to be greater than resistivity of material or the current density of stator coil and stator lead.
Same, according to the specific embodiment of the invention described above, the material often organizing described stator cross-line may be selected to be identical or not identical, and sectional area and the length optional of often organizing stator cross-line are selected as identical or not identical.
In summary, one aspect of the present invention is under different applied environments, only need adjust the material of stator cross-line, cross section, length to change the internal resistance of starter, for same starter, the length of the material of stator cross-line, cross section and each subbranch can not wait, but need ensure that the resistance value in each parallel branch of field frame assembly is equal, namely cross-line should be symmetrical in each electric branch road.So just can go out meet with simple, the most most economical patten's design a series of starters of the different demand of client; On the other hand because stator cross-line has maximum thermal power and current density, it can fuse before all the other parts of starter burn, and the striking point of cross-line is the securing position preset, the exception of the electromagnetic switch of starter, armature, field frame assembly can be avoided like this to burn, to reduce the failure rate after sale of starter, and for the stator cross-line fused, simple technique correct can be adopted to make it recover normal work, which decrease the maintenance cost of product.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (10)
1. one kind can adjust the starter of stator cross-line, comprise electromagnetic switch, field frame assembly, rotor assembly, brush floor pan assembly, wherein, described field frame assembly comprises again casing, magnetic pole, stator coil, stator lead and connects the stator cross-line of each coil, it is characterized in that, obtain the different output characteristic of starter by the resistance value adjusting described stator cross-line, the resistivity of material of described stator cross-line or current density are greater than resistivity of material or the current density of stator coil and stator lead.
2. the starter that can adjust stator cross-line according to claim 1, it is characterized in that, described stator coil is four, described stator cross-line is two groups four, first coil, the second coil are parallel to described stator lead respectively by first group of two stator cross-line, second group of two stator cross-line are connected the first coil and tertiary coil and the second coil and the 4th coil respectively, and the total resistance value in two shunt circuits is equal.
3. the starter that can adjust stator cross-line according to claim 2, is characterized in that, the resistance value of described adjustment stator cross-line comprises: adjust the material category of described stator cross-line, adjust sectional area and the length of described stator cross-line.
4. the starter that can adjust stator cross-line according to claim 3, is characterized in that, the material often organizing described stator cross-line is identical, and sectional area and the length of first group of stator cross-line and second group of stator cross-line are identical or not identical.
5. the starter that can adjust stator cross-line according to claim 4, it is characterized in that, the material often organizing described stator cross-line is identical, a stator cross-line in first group is identical with length with the sectional area of the stator cross-line of in second group, and another stator cross-line in first group is identical with length with the sectional area of another stator cross-line in second group.
6. the starter that can adjust stator cross-line according to claim 3, is characterized in that, often organize the material of described stator cross-line for different, the sectional area often organizing described stator cross-line is not identical with length yet.
7. the starter that can adjust stator cross-line according to claim 1,2,3,4,5 or 6, is characterized in that, the material of described stator cross-line is constantan, iron, lead-antimony alloy or nichrome.
8. one kind adjusts the method for starter output characteristic, the field frame assembly of starter comprises stator coil, stator lead and connects the stator cross-line of each coil, described stator coil is four, stator cross-line is two groups, described four stator coils are two and two strings by two groups of stator cross-lines connections, it is characterized in that, comprising:
Step one, the target engine mated as required, determines the power possessed needed for starter;
Step 2, according to thermal power or the current density of the heat-generating component in starter loop except stator cross-line, calculates the required resistance value of stator cross-line;
Step 3, selects the cross section of cross-line and length and material according to the space of field frame assembly inside and required resistance value, wherein, keeps the resistance value in two shunt circuits equal.
9. the method for adjustment starter output characteristic according to claim 8, is characterized in that, in described step 3, the material often organizing described stator cross-line is identical or not identical, and sectional area and the length of often organizing stator cross-line are identical or not identical.
10. the method for adjustment starter output characteristic according to claim 9, is characterized in that, the resistivity of material of described stator cross-line or current density are greater than resistivity of material or the current density of stator coil and stator lead.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210359734.XA CN103683607B (en) | 2012-09-24 | 2012-09-24 | The starter of stator cross-line and the method for adjustment starter output characteristic can be adjusted |
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| CN201210359734.XA CN103683607B (en) | 2012-09-24 | 2012-09-24 | The starter of stator cross-line and the method for adjustment starter output characteristic can be adjusted |
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| CN103683607A CN103683607A (en) | 2014-03-26 |
| CN103683607B true CN103683607B (en) | 2015-12-23 |
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| EP1128523A2 (en) * | 2000-02-24 | 2001-08-29 | BRIGGS & STRATTON CORPORATION | Stator for an electric motor/generator with a half-integer winding |
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| CN102457148A (en) * | 2010-10-22 | 2012-05-16 | 株式会社捷太格特 | Brushless motor and electric power steering system |
| CN202772690U (en) * | 2012-09-24 | 2013-03-06 | 北京佩特来电器有限公司 | Starter capable of adjusting stator cross wires |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6965183B2 (en) * | 2003-05-27 | 2005-11-15 | Pratt & Whitney Canada Corp. | Architecture for electric machine |
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2012
- 2012-09-24 CN CN201210359734.XA patent/CN103683607B/en active Active
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|---|---|---|---|---|
| EP1128523A2 (en) * | 2000-02-24 | 2001-08-29 | BRIGGS & STRATTON CORPORATION | Stator for an electric motor/generator with a half-integer winding |
| CN201004569Y (en) * | 2006-09-12 | 2008-01-09 | 刘本成 | A compound electromagnetic material starter |
| CN201277131Y (en) * | 2008-11-04 | 2009-07-22 | 槐立明 | 24V permanent magnet speed reduction starter for vehicle and agricultural vehicle |
| CN102457148A (en) * | 2010-10-22 | 2012-05-16 | 株式会社捷太格特 | Brushless motor and electric power steering system |
| CN202772690U (en) * | 2012-09-24 | 2013-03-06 | 北京佩特来电器有限公司 | Starter capable of adjusting stator cross wires |
Non-Patent Citations (1)
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| 起动机电磁功率和电磁转矩的计算与调整;马祥宏;《重型汽车》;19971031(第05期);第13-15页 * |
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Effective date of registration: 20200427 Address after: 101118, No. 3 South Street, little fort village, Songzhuang Town, Beijing, Tongzhou District Co-patentee after: PRESTOLITE ELECTRIC (WEIFANG) Ltd. Patentee after: PRESTOLITE ELECTRIC (BEIJING) Ltd. Address before: 101118 Songzhuang Town, Beijing, Tongzhou District Patentee before: PRESTOLITE ELECTRIC (BEIJING) Ltd. |
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