CN204126796U - A kind of vehicle starting machine battery Current limited Control device - Google Patents
A kind of vehicle starting machine battery Current limited Control device Download PDFInfo
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- CN204126796U CN204126796U CN201420521038.9U CN201420521038U CN204126796U CN 204126796 U CN204126796 U CN 204126796U CN 201420521038 U CN201420521038 U CN 201420521038U CN 204126796 U CN204126796 U CN 204126796U
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- limiting passage
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- 230000001052 transient effect Effects 0.000 claims abstract description 14
- 239000007858 starting material Substances 0.000 claims description 14
- 238000004804 winding Methods 0.000 description 4
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- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000003756 stirring Methods 0.000 description 1
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Abstract
A kind of vehicle starting machine battery Current limited Control device, the Out let of battery is connected in series the input end of controllable current limiting circuit, and the output terminal of described controllable current limiting circuit is connected to the electric contact of magnetic switch; Described controllable current limiting circuit is used for the transient current size exporting magnetic switch at initial start stage restriction battery to, and removes current limliting after the initial start stage terminates; Described controllable current limiting circuit comprises flow-limiting passage, non-flow-limiting passage, non-flow-limiting passage switch and timer unit; In the initial start stage, non-flow-limiting passage is placed in dissengaged positions by described non-flow-limiting passage switch, thus the transient current that battery is exported flow to the electric contact of magnetic switch through described flow-limiting passage, and described flow-limiting passage has current-limiting resistor; Described timer unit controls described non-flow-limiting passage switch, after the initial start stage, non-flow-limiting passage is placed in on-state, and the normal state current that battery is exported flow to the electric contact of magnetic switch through described non-flow-limiting passage.
Description
Technical field
The utility model relates to automobile starter field, more specifically, relates to a kind of vehicle starting machine battery Current limited Control device.
Background technique
The starting of motor car engine needs to provide initial driving force by outside, and the parts realizing this function are exactly starter motor.The energy of starter motor is from storage battery, and starter motor also has the parts such as direct current motor, magnetic switch and clutch driving unit.
The starting that direct current motor is motor provides power, and the effect that magnetic switch is controls the circuit open and close between storage battery and direct current motor, and the engagement controlling clutch driving unit and motor car engine be separated.Magnetic switch comprises the structures such as pull in winding, hold-in winding, aroused in interest, with all worries set aside, plectrum.When automotive ignition starts, the equal demand working of pull in winding, hold-in winding also produces equidirectional electromagnetic attraction, attract aroused in interest generation displacement, thus aroused in interest electric contact can contact electric contact with all worries set aside, and this shift action is driven with the drive unit of overrunning clutch and engaging of motor car engine by plectrum on the one hand, on the other hand, be communicated with by the contact of above-mentioned electric contact, make the circuit ON between storage battery and direct current motor.After clutch driving unit engages with motor car engine, motor rotates under the drive of direct current motor, until reach enough rotating speeds, thus realizes starting.
In above process, storage battery will provide the large transient current to a hundreds of even kilo ampere for starter motor in the initial period of starting, and is then converted to gradually and provides relatively little normal state current.Because the numerical value of described transient current is obviously greater than normal state current, the voltage drop under causing the voltage drop of initial period storage battery will be significantly less than normality.But the output voltage drop of storage battery can not be too low, otherwise can cause and can not drive direct current motor, cause starter motor cannot normal starting.
Therefore, in order to improve above-mentioned condition, be necessary to improve the powered battery line construction of automobile starter, the transient current in restriction initial start stage is constant too much to such an extent as to exceedingly reduce the output voltage drop of battery.
Model utility content
Based on above-mentioned defect of the prior art, the utility model provides a kind of vehicle starting machine battery Current limited Control device.Vehicle starting machine battery Current limited Control utensil described in the utility model has controllable current limiting circuit, thus it is constant too much at initial start stage restriction transient current, and the restriction removed subsequently electric current, to strengthen the electric current provided direct current motor, thus accelerates the rotating speed of starter motor.
Vehicle starting machine battery Current limited Control device described in the utility model, it is characterized in that, the Out let of battery is connected in series the input end of controllable current limiting circuit, and the output terminal of described controllable current limiting circuit is connected to the electric contact of magnetic switch; Described controllable current limiting circuit is used for the transient current size exporting magnetic switch at initial start stage restriction battery to, and removes current limliting after the initial start stage terminates; Described controllable current limiting circuit comprises flow-limiting passage, non-flow-limiting passage, non-flow-limiting passage switch and timer unit; In the initial start stage, non-flow-limiting passage is placed in dissengaged positions by described non-flow-limiting passage switch, thus the transient current that battery is exported flow to the electric contact of magnetic switch through described flow-limiting passage, and described flow-limiting passage has current-limiting resistor; Described timer unit controls described non-flow-limiting passage switch, after the initial start stage, non-flow-limiting passage is placed in on-state, thus flow-limiting passage described in short circuit, the normal state current that battery is exported flow to the electric contact of magnetic switch through described non-flow-limiting passage.
Preferably, described flow-limiting passage comprises primary path and at least one branch road in parallel with primary path, and described primary path and at least one branch road all have current-limiting resistor; Described primary path is in on-state; Described at least one branch road has branch switch; Described branch road is placed in dissengaged positions in the first stage in initial start stage by described branch switch, and described timer unit controls the second stage of described branch switch in the initial start stage by described at least one branch road on-state, thus reduced total current-limiting resistance of flow-limiting passage by primary path in parallel and branch road.
Preferably, described non-flow-limiting passage switch comprises movable contact flat, contact and electromagnetic coil, attracts movable contact flat contact contact, thus make non-flow-limiting passage switch conduction during described electromagnetic coil energising; During described electromagnetic coil power-off, described movable contact flat and described contact disengage, thus non-flow-limiting passage switch is disconnected; Described timer unit connects described electromagnetic coil and controls energising and the power-off of electromagnetic coil.
Preferably, described branch switch comprises movable contact flat, contact and electromagnetic coil, attracts movable contact flat contact contact, thus make branch switch conducting during described electromagnetic coil energising; During described electromagnetic coil power-off, described movable contact flat and described contact disengage, thus branch switch is disconnected; Described timer unit connects described electromagnetic coil and controls energising and the power-off of electromagnetic coil.
Preferably, the enable pin of described timer unit connects the ignitor switch of starter motor.
Visible, the utility model is by controllable current limiting circuit, in the initial start stage by accessing current-limiting resistance between battery and magnetic switch, restriction transient current is constant too much, and the restriction removed subsequently electric current, to strengthen the electric current provided direct current motor, thus accelerate the rotating speed of starter motor.In order to avoid bringing impact from current limliting to the unexpected switching of not current limliting, controllable current limiting circuit also defines transition stage by least one branch road.The present invention prevents from excessively reducing the output voltage drop of battery in the initial period of starting, and ensure that the smooth execution of starting.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the overall schematic of the utility model vehicle starting machine battery and power supply line's structure;
Fig. 2 is the utility model controllable current limiting electrical block diagram.
Embodiment
The technical solution of the utility model is understood better in order to make those skilled in the art person, and enable above-mentioned purpose of the present utility model, feature and advantage become apparent more, below in conjunction with embodiment and embodiment's accompanying drawing, the utility model is described in further detail.
See Fig. 1, automobile starter has battery 1, controllable current limiting circuit 2, ignitor switch 3, magnetic switch 4, direct current motor 5, clutch driving unit 6, Fig. 1 also show engine flywheel 7 etc.In the middle of vehicle starting machine battery Current limited Control device described in the utility model, the Out let of battery 1 is connected in series the input end of controllable current limiting circuit 2, and the output terminal of described controllable current limiting circuit 2 is connected to the electric contact of magnetic switch 4 stator 4A; Controllable current limiting circuit 2 is all connected ignitor switch 3 with the coil 4B of magnetic switch 4.After sparking, under the coil 4B magnetic force of magnetic switch 4, the mover 4C of magnetic switch contacts stator 4A, thus connects battery 1 and direct current motor 5 through controllable current limiting circuit 2 and magnetic switch 4.And mover 4C stirs plectrum 4D, plectrum 4D drives clutch driving unit 6 to engage with engine flywheel 7.Direct current motor 5 rotates under the power supply of battery 1, drives engine flywheel 7.
Described controllable current limiting circuit 2 for exporting the transient current size of magnetic switch 4 at initial start stage restriction battery 1, and removes current limliting after the initial start stage terminates.Shown in Figure 2, described controllable current limiting circuit 2 comprises the flow-limiting passage of primary path 201 and branch road 202 formation, and primary path 201 is in parallel with branch road 202.Described primary path and branch road all have current-limiting resistor R.Described primary path 201 is in on-state all the time.Branch road 202 has branch switch 202A; Described branch road 202 is placed in dissengaged positions in the first stage in initial start stage by described branch switch 202A, and described timer unit 203 controls described branch switch 202A, in the second stage in initial start stage, described branch road 202 is placed in on-state, thus reduced total current-limiting resistance of flow-limiting passage by primary path in parallel and branch road.Controllable current limiting circuit 2 also comprises non-flow-limiting passage 204 and non-flow-limiting passage switch 205.In the initial start stage, non-flow-limiting passage 204 is placed in dissengaged positions by described non-flow-limiting passage switch 205, thus the transient current that battery is exported flow to the electric contact of magnetic switch through described flow-limiting passage; Described timer unit 203 controls described non-flow-limiting passage switch 205, after the initial start stage, non-flow-limiting passage 204 is placed in on-state, thus flow-limiting passage described in short circuit, the normal state current that battery is exported flow to the electric contact of magnetic switch through described non-flow-limiting passage.
As shown in Figure 2, described branch switch 202A is identical with non-flow-limiting passage switch 205 structure, includes movable contact flat, contact and electromagnetic coil, attracts movable contact flat contact contact, thus make switch conduction during described electromagnetic coil energising; During described electromagnetic coil power-off, described movable contact flat and described contact disengage, thus switch is disconnected; Described timer unit 203 connects described electromagnetic coil and controls energising and the power-off of electromagnetic coil.The enable pin 203A of described timer unit 203 connects the ignitor switch of starter motor, thus carries out timing, to determine the time point of diverter switch state after sparking.
Visible, the utility model is by controllable current limiting circuit, in the initial start stage by accessing current-limiting resistance between battery and magnetic switch, restriction transient current is constant too much, and the restriction removed subsequently electric current, to strengthen the electric current provided direct current motor, thus accelerate the rotating speed of starter motor.In order to avoid bringing impact from current limliting to the unexpected switching of not current limliting, controllable current limiting circuit also defines transition stage by least one branch road.The present invention prevents from excessively reducing the output voltage drop of battery in the initial period of starting, and ensure that the smooth execution of starting.
Size in more than describing and quantity are all only informative, and those skilled in the art can select suitable application size according to actual needs, and do not depart from scope of the present utility model.Protection domain of the present utility model is not limited thereto, and is anyly familiar with those skilled in the art in the technical scope that the utility model discloses, the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should define with claim is as the criterion.
Claims (5)
1. a vehicle starting machine battery Current limited Control device, is characterized in that, the Out let of battery is connected in series the input end of controllable current limiting circuit, and the output terminal of described controllable current limiting circuit is connected to the electric contact of magnetic switch; Described controllable current limiting circuit is used for the transient current size exporting magnetic switch at initial start stage restriction battery to, and removes current limliting after the initial start stage terminates; Described controllable current limiting circuit comprises flow-limiting passage, non-flow-limiting passage, non-flow-limiting passage switch and timer unit; In the initial start stage, non-flow-limiting passage is placed in dissengaged positions by described non-flow-limiting passage switch, thus the transient current that battery is exported flow to the electric contact of magnetic switch through described flow-limiting passage, and described flow-limiting passage has current-limiting resistor; Described timer unit controls described non-flow-limiting passage switch, after the initial start stage, non-flow-limiting passage is placed in on-state, thus flow-limiting passage described in short circuit, the normal state current that battery is exported flow to the electric contact of magnetic switch through described non-flow-limiting passage.
2. vehicle starting machine battery Current limited Control device according to claim 1, is characterized in that, described flow-limiting passage comprises primary path and at least one branch road in parallel with primary path, and described primary path and at least one branch road all have current-limiting resistor; Described primary path is in on-state; Described at least one branch road has branch switch; Described branch road is placed in dissengaged positions in the first stage in initial start stage by described branch switch, and described timer unit controls the second stage of described branch switch in the initial start stage by described at least one branch road on-state, thus reduced total current-limiting resistance of flow-limiting passage by primary path in parallel and branch road.
3. vehicle starting machine battery Current limited Control device according to claim 2, it is characterized in that, described non-flow-limiting passage switch comprises movable contact flat, contact and electromagnetic coil, attracts movable contact flat contact contact, thus make non-flow-limiting passage switch conduction during described electromagnetic coil energising; During described electromagnetic coil power-off, described movable contact flat and described contact disengage, thus non-flow-limiting passage switch is disconnected; Described timer unit connects described electromagnetic coil and controls energising and the power-off of electromagnetic coil.
4. vehicle starting machine battery Current limited Control device according to claim 3, it is characterized in that, described branch switch comprises movable contact flat, contact and electromagnetic coil, attracts movable contact flat contact contact, thus make branch switch conducting during described electromagnetic coil energising; During described electromagnetic coil power-off, described movable contact flat and described contact disengage, thus branch switch is disconnected; Described timer unit connects described electromagnetic coil and controls energising and the power-off of electromagnetic coil.
5. vehicle starting machine battery Current limited Control device according to claim 4, is characterized in that, the enable pin of described timer unit connects the ignitor switch of starter motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521038.9U CN204126796U (en) | 2014-09-11 | 2014-09-11 | A kind of vehicle starting machine battery Current limited Control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521038.9U CN204126796U (en) | 2014-09-11 | 2014-09-11 | A kind of vehicle starting machine battery Current limited Control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126796U true CN204126796U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420521038.9U Expired - Fee Related CN204126796U (en) | 2014-09-11 | 2014-09-11 | A kind of vehicle starting machine battery Current limited Control device |
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| Country | Link |
|---|---|
| CN (1) | CN204126796U (en) |
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2014
- 2014-09-11 CN CN201420521038.9U patent/CN204126796U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| 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: 20150128 Termination date: 20200911 |