CN102691606A - Starter - Google Patents
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- CN102691606A CN102691606A CN2011100778438A CN201110077843A CN102691606A CN 102691606 A CN102691606 A CN 102691606A CN 2011100778438 A CN2011100778438 A CN 2011100778438A CN 201110077843 A CN201110077843 A CN 201110077843A CN 102691606 A CN102691606 A CN 102691606A
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- winding
- hold
- starter relay
- starter
- coil
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Abstract
The invention discloses a starter consisting of a direct-current motor, a drive meshing mechanism, an electromagnetic switch and a start relay. A start relay coil is connected with an electromagnetic switch holding coil in series, so that the current density of the coils is lowered, and the aims of reducing the use amount of enamelled wires of the coils and lowering the cost can be achieved.
Description
Technical field
The present invention is the starter motor that a kind of car engine start is used.
Background technique
In the existing technology, starter motor is made up of direct current motor, transmission engaging mechanism, magnetic switch three parts, the starter motor that power is bigger; Because of the solenoid winding operating current is bigger, also to control with starter relay, solenoid winding is made up of sucking coil and hold-in winding; The tail end of sucking coil is connected with the positive terminal of direct current motor; The tail end bonding of hold-in winding, the head end of two coils combines externally draws, and is controlled by starter relay.In order to guarantee that the magnetic switch outage discharges, sucking coil is identical or very approaching with the number of turn requirement of hold-in winding, thereby causes the more cost of coil materials to rise.
Chinese patent CN101122273B, 2010.11.03 " starter motor and starter relay "; Separate the head end of the head end of sucking coil with hold-in winding; Independently draw separately, after two coils were separately controlled, the number of turn of two coils can be different; Thereby the number of turn of sucking coil is significantly reduced, reduced cost.But its hold-in winding is parallelly connected with the starter relay coil, prevents overheatedly in order to reduce current density, and these two coils all must be around a lot of numbers of turn, and starter relay coil even up to 1000 circles is used raw material thereby cause more, and cost is still higher.
Japan Patent JP2003161240A, 2003.06.06 " starter motor "; Be connected in series starter relay coil and hold-in winding; Attempt to reach the purpose that reduces cost; But caused the operating current of operating current direction and hold-in winding of sucking coil in the opposite direction, both composite magnetic powers are cancelled out each other, as a result the starter motor cisco unity malfunction.Visible from its accompanying drawing 1; Sucking coil 11 and hold-in winding 12 around to identical; If be defined as head end to the Outlet 18 of sucking coil 11 so, the Outlet 17 of hold-in winding 12 just can only be defined as tail end, just because of the operating current of sucking coil 11 flows into from head end 18; And the operating current of hold-in winding 12 flows into from tail end 17, the current opposite in direction in two coils of result.
Summary of the invention
The technical problem that the present invention will solve is under starter relay coil and situation that the magnetic switch hold-in winding is connected, makes the operating current direction of hold-in winding identical with the operating current direction of sucking coil, guarantees starting function proper functioning.
The present invention is on starter relay negative side contact and magnetic switch sucking coil head end connection basis, is connected the head end of the negative pole end of starter relay coil with the magnetic switch hold-in winding tail end bonding of hold-in winding.After being connected in series like this, sucking coil is identical with current direction in the hold-in winding, and both composite magnetic power additions have guaranteed starting function proper functioning.
Also can be connected the positive terminal of the tail end of hold-in winding with the starter relay coil, the negative pole end bonding of starter relay coil, effect is identical.
Because starter relay coil and hold-in winding are connected in series, and have reduced current density, the number of turn of each coil can reduce, thereby has reached the purpose that reduces cost.Because the line of starter relay coil directly increases, solved the problem of the too small easy-rupturing in starter relay winding wire footpath in the existing technology again.
Below in conjunction with accompanying drawing the present invention is described further.
Description of drawings
Fig. 1 is a starter motor schematic representation of the present invention.
Fig. 2 is the starter motor schematic representation of another program of the present invention.
Implementation methods
Like the starter motor of Fig. 1, by direct current motor 1, transmission engaging mechanism 2, magnetic switch 3, starter relay 4 is formed.The negative side contact 42 of starter relay is connected with the head end 33 of magnetic switch sucking coil 31; The negative pole end 45 of starter relay coil 46 is connected with the head end 34 of magnetic switch hold-in winding 32; The tail end of sucking coil 31 is connected with the positive terminal of direct current motor 1, the tail end bonding of hold-in winding 32.During real work; The positive pole of storage battery 6 is connected with the side of the positive electrode contact 37 of magnetic switch and the side of the positive electrode contact 41 of starter relay; The positive terminal 44 of starter relay coil 46 is connected with the negative side of key operation 5, and the side of the positive electrode of key operation 5 is connected with the positive pole of storage battery 6.
When key operation 5 closures, starter relay coil 46 and 32 energisings of magnetic switch hold-in winding, the electric current of hold-in winding 32 flows into from head end 34, for next step action is got ready.Starter relay 4 adhesives this moment, its movable contact bridge 43 is connected side of the positive electrode contact 41 and negative side contact 42, makes 31 energisings of magnetic switch sucking coil; Electric current flows into from its head end 33; Because sucking coil 31 is all switched on hold-in winding 32, and the electric current in these two coils is all identical from the head end inflow direction, the composite magnetic power addition; Produce enough suction, the moving iron core 39 of magnetic switch is moved to the left.Spur on the one hand the shift fork 21 of transmission engaging mechanism, promote one-way element 22 and move, actuation gear and flywheel ring gear are meshed to engine flywheel.Promote magnetic switch movable contact bridge 36 on the other hand, connect magnetic switch side of the positive electrode contact 37 and negative side contact 38, direct current motor 1 energising running; To the direct-driving type starter motor; The direct transmission one-way element 22 of the armature shaft of direct current motor 1, to the deceleration type starter motor, the armature shaft of direct current motor 1 elder generation transmission reduction gear; Reduction gear shaft drive one-way element 22, starter motor is started working.After starting successfully, break off key operation 5, starter relay coil 46 and 32 outages of magnetic switch hold-in winding, starter relay 4 almost discharges with magnetic switch 3 simultaneously, and starter motor quits work.
The difference of Fig. 2 and Fig. 1 is to be connected on magnetic switch hold-in winding 32 before the starter relay coil 46; Therefore also extract the tail end 35 of hold-in winding 32; Be connected the tail end 35 of magnetic switch hold-in winding with the positive terminal 44 of starter relay coil 46; Negative pole end 45 bonding of starter relay coil 46, the head end 34 of hold-in winding 32 is connected with the negative side of key operation 5.When key operation 5 closures, magnetic switch hold-in winding 32 and 46 energisings of starter relay coil, ensuing working procedure is identical with Fig. 1, and finally using effect is also identical with Fig. 1.
Owing to be connected in series starter relay coil 46 and magnetic switch hold-in winding 32, two coils get final product proper functioning respectively with same line enameled cable directly around about 200 circles.
Claims (2)
1. the starter motor of forming by direct current motor, transmission engaging mechanism, magnetic switch, starter relay; It is characterized in that starter relay negative side contact is connected with the head end of magnetic switch sucking coil; The negative pole end of starter relay coil is connected with the head end of magnetic switch hold-in winding, the tail end bonding of hold-in winding.
2. according to the starter motor of claim 1, it is characterized in that the tail end of magnetic switch hold-in winding is connected the negative pole end bonding of starter relay coil with the positive terminal of starter relay coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100778438A CN102691606A (en) | 2011-03-20 | 2011-03-20 | Starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100778438A CN102691606A (en) | 2011-03-20 | 2011-03-20 | Starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102691606A true CN102691606A (en) | 2012-09-26 |
Family
ID=46857287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100778438A Pending CN102691606A (en) | 2011-03-20 | 2011-03-20 | Starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102691606A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811096A (en) * | 2015-05-14 | 2015-07-29 | 张晓冬 | Soft starting system for fuel oil automobile |
-
2011
- 2011-03-20 CN CN2011100778438A patent/CN102691606A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811096A (en) * | 2015-05-14 | 2015-07-29 | 张晓冬 | Soft starting system for fuel oil automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120926 |