CN105909447B - The starter motor that a kind of whole world voltage is applicable in - Google Patents

Abstract

The invention discloses the starter motor that a kind of global voltage is applicable in, power adaptation module and series excited machine are included；Power adaptation module includes input circuit unit, switching power circuit unit, control circuit unit, chopper circuit unit and output circuit unit；Input circuit unit is used to access alternating current；Switching power circuit unit is used to provide voltage；Chopper circuit unit is used to carry out chopping operation；Control circuit unit includes ADC module and switching circuit, ADC module calculates the size and frequency of input voltage, switching circuit controls chopper circuit unit to carry out chopping operation when input voltage is more than default critical voltage, is directly exported when input voltage is less than or equal to default critical voltage；Output circuit unit is connected with the series excited machine.The present invention can greatly reduce engine cranking motor specifications and models with Universal voltage, easy to produce in batches and safeguard, reduce production cost and use and maintenance cost.

Description

The starter motor that a kind of whole world voltage is applicable in

Technical field

The present invention relates to a kind of engine starting gear, more particularly to the starter motor that a kind of global voltage is applicable in.

Background technology

Starter motor converts electrical energy into mechanical energy, drives the rotation of the flywheel on engine to realize the startup of engine.NoCross, in the prior art, since countries in the world alternating current voltage frequency differs to being broadly divided into 110V~130V and 200V~240V twoBig section, frequency are 50Hz and two kinds of 60Hz, so that engine of the same race is needed according to electric voltage frequency adaptation not in different regionsSame starter motor, causes alternating current starter motor specification various, and then during plant produced, warehousing management, product maintenanceBecause product versatility not by force caused by production, maintenance cost it is high.

The content of the invention

The technical problems to be solved by the invention are to be directed to the defects of involved in background technology, there is provided a kind of whole world electricityThe applicable starter motor of pressure.

The present invention uses following technical scheme to solve above-mentioned technical problem：

The starter motor that a kind of whole world voltage is applicable in, includes power adaptation module and series excited machine；

The power adaptation module includes input circuit unit, switching power circuit unit, control circuit unit, copped wave electricityRoad unit and output circuit unit；

The input circuit unit is used for the alternating current for accessing countries in the world and area；

The switching power circuit unit is used to provide voltage needed for the control circuit；

The chopper circuit unit is used to carry out chopping operation to the alternating current of access；

The control circuit unit includes ADC module and switching circuit, and the ADC module is used to calculate input voltageSize and frequency, and pass it to the switching circuit；The switching circuit is used to be more than in input voltage default criticalChopper circuit unit is controlled to be exported after carrying out chopping operation to the alternating current of access to output circuit unit during voltage, in input voltageThe alternating current of access is directly output to output circuit unit during less than or equal to default critical voltage；

The output circuit unit is connected with the series excited machine, for providing voltage to the series excited machine.

The further prioritization scheme of starter motor being applicable in as a kind of global voltage of the present invention, the series excited machine are120V/60Hz series excited machines.

The further prioritization scheme of starter motor being applicable in as a kind of global voltage of the present invention, the default critical electricityPress as 145V, when input voltage is more than 145V, switching circuit controls chopper circuit unit to carry out copped wave to its voltage waveform, makesIt is exported to output circuit unit after being less than or equal to 145V.

The further prioritization scheme of starter motor being applicable in as a kind of global voltage of the present invention, the chopper circuit unitInclude resistance R9, resistance R10, resistance R12, capacitance C4, NPN type triode and bidirectional triode thyristor TR1；

Described resistance R9 one end is connected with the output terminal of switching power circuit unit, the other end respectively with resistance R10 oneEnd, the G levels of bidirectional triode thyristor TR1 are connected；

The other end of the resistance R10 is connected with the collector of NPN type triode；

The first anode A1 of the bidirectional triode thyristor TR1 is extremely connected with the one of input circuit unit output terminal respectively, and secondAnode A 2 is extremely connected with the one of the output circuit unit output terminal；

The input terminal of the switching power circuit unit another pole with input circuit unit output terminal, output circuit respectivelyThe another of unit output terminal is extremely connected；

The emitter of the NPN type triode is connected by capacitance C4 with the output terminal of switching power circuit unit, base stageIt is connected with one end of resistance R12；

The other end of the resistance R12 is connected with the output terminal of control circuit unit.

The further prioritization scheme of starter motor being applicable in as a kind of global voltage of the present invention, the control circuit unitTimer is also included, for after series excited machine drives engine start, cutting off motor power by timer, realizing to motorThe protection of motor.

The present invention compared with prior art, has following technique effect using above technical scheme：

The present invention can greatly reduce engine cranking motor specifications and models, easy to give birth in batches with Universal voltageProduction and maintenance, reduce production cost and use and maintenance cost.

Brief description of the drawings

Fig. 1 is overall structure diagram of the present invention；

Fig. 2 is power adaptation module electric operation control circuit figure of the present invention.

In figure, A- power adaptation modules, B- series excited machines, 1- input circuit units, 2- switching power circuit units, 3- controlsCircuit unit processed, 4- chopper circuit units, 5- output circuit units.

Embodiment

Technical scheme is described in further detail below in conjunction with the accompanying drawings：

Referring to Fig. 1, the invention discloses the starter motor that a kind of global voltage is applicable in, mainly divide two large divisions：Power supply is fittedWith modules A and series excited machine B.Port is international outlet on the left of power adaptation module A, and right end passes through electric wire and series excitationMotor B connections, have the function that switch, it is possible to achieve be switched on or switched off power supply.Series excited machine B is 120V/60Hz series excited machines,Can be in the V voltage ranges of 100V~145, but because series excited machine is insensitive to frequency, frequency is 50Hz or 60Hz, canNormal work.

Referring to Fig. 2, the built-in dedicated control circuit figure for power adaptation module A, input circuit unit 1, switch electricity are includedSource circuit unit 2, control circuit unit 3, chopper circuit unit 4 and output circuit unit 5.

Input circuit unit 1 accesses the alternating current in countries in the world and area；Switching power circuit unit 2 provides control circuit listVoltage needed for member 3；Control circuit unit 3 includes ADC module and switching circuit, wherein, ADC module is used to calculate inputThe size and frequency of voltage, and pass it to the switching circuit；The switching circuit is used to be more than in input voltage defaultCritical voltage when control chopper circuit unit 4 to carry out after chopping operation output to the alternating current of access to output circuit unit,The alternating current of access is directly output to output circuit unit when input voltage is less than or equal to default critical voltage.

The default critical voltage is 145V, when input voltage is more than 145V, switching circuit control chopper circuit listMember carries out copped wave to its voltage waveform, it is exported after being less than or equal to 145V to output circuit unit.

The chopper circuit unit 4 includes resistance R9, resistance R10, resistance R12, capacitance C4, NPN type triode and two-waySilicon-controlled TR1；Described resistance R9 one end is connected with the output terminal of switching power circuit unit 2, and the other end is respectively with resistance R10'sOne end, the G levels of bidirectional triode thyristor TR1 are connected；The other end of the resistance R10 is connected with the collector of NPN type triode；It is describedThe first anode A1 of bidirectional triode thyristor TR1 is extremely connected with the one of 1 output terminal of input circuit unit respectively, second plate A2 with it is describedThe one of 5 output terminal of output circuit unit is extremely connected；The input terminal of the switching power circuit unit respectively with input circuit unit 1Another pole of output terminal, the another of output circuit unit output terminal 5 are extremely connected；The emitter of the NPN type triode passes through electricityHold C4 with the output terminal of switching power circuit unit 2 to be connected, base stage is connected with one end of resistance R12；The resistance R12's is anotherEnd is connected with the output terminal of control circuit unit.

The G poles of TR1 are controlled by the logical section of PWM control NPN triodes, G poles are the gate leves for controlling TR1, if G grades are openedTR1 is opened, it is not necessary to which copped wave, directly to output terminal, TR1 is closed if being closed if G grades, voltage chopping is carried out, then to output terminal.

Timer is also included in control circuit unit 3, after series excited machine drives engine start, is cut off and gone here and there by timerSwash the power supply of motor, realize the protection to series excited machine.

The voltage in the whole world can be applicable in based on above-mentioned, of the invention starter motor, greatly reduces engine start horseThe specifications and models reached, easy to produce in batches and safeguard, reduce production cost and use and maintenance cost.

Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skillArt term and scientific terminology）With the identical meaning of the general understanding with the those of ordinary skill in fields of the present invention.AlsoIt should be understood that those terms such as defined in the general dictionary should be understood that with the context of the prior artThe consistent meaning of meaning, and unless defined as here, will not be explained with the implication of idealization or overly formal.

Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect furtherDescribe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not limited to this hairBright, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should be included in the present inventionProtection domain within.

Claims (2)

1. the starter motor that a kind of whole world voltage is applicable in, it is characterised in that include power adaptation module and series excited machine；

The power adaptation module includes input circuit unit, switching power circuit unit, control circuit unit, chopper circuit listMember and output circuit unit；

The input circuit unit is used for the alternating current for accessing countries in the world and area；

The switching power circuit unit is used to provide voltage needed for the control circuit；

The chopper circuit unit is used to carry out chopping operation to the alternating current of access；

The control circuit unit includes ADC module and switching circuit, and the ADC module is used for the size for calculating input voltageAnd frequency, and pass it to the switching circuit；The switching circuit is used to be more than default critical voltage in input voltageWhen control chopper circuit unit chopping operation is carried out to the alternating current of access after output to output circuit unit, be less than in input voltageThe alternating current of access is directly output to output circuit unit during equal to default critical voltage；

The output circuit unit is connected with the series excited machine, for providing voltage to the series excited machine；

The series excited machine is 120V/60Hz series excited machines；

The default critical voltage is 145V, when input voltage is more than 145V, switching circuit control chopper circuit unit pairIts voltage waveform carries out copped wave, it is exported after being less than or equal to 145V to output circuit unit；

The chopper circuit unit includes resistance R9, resistance R10, resistance R12, capacitance C4, NPN type triode and bidirectional triode thyristorTR1；

Described resistance R9 one end is connected with the output terminal of switching power circuit unit, other end one end with resistance R10, double respectivelyIt is connected to the G levels of silicon-controlled TR1；

The other end of the resistance R10 is connected with the collector of NPN type triode；

The first anode A1 of the bidirectional triode thyristor TR1 is extremely connected with the one of input circuit unit output terminal respectively, second plateA2 is extremely connected with the one of the output circuit unit output terminal；

The input terminal of the switching power circuit unit another pole with input circuit unit output terminal, output circuit unit respectivelyThe another of output terminal is extremely connected；

The emitter of the NPN type triode is connected by capacitance C4 with the output terminal of switching power circuit unit, base stage and electricityOne end of resistance R12 is connected；

The other end of the resistance R12 is connected with the output terminal of control circuit unit.

2. the starter motor that whole world voltage according to claim 1 is applicable in, it is characterised in that the control circuit unit is alsoComprising timer, for after series excited machine drives engine start, motor power to be cut off by timer, realize to motor electricityThe protection of machine.