CN207750162U - A kind of dumper self-start circuit - Google Patents
A kind of dumper self-start circuit Download PDFInfo
- Publication number
- CN207750162U CN207750162U CN201721722793.3U CN201721722793U CN207750162U CN 207750162 U CN207750162 U CN 207750162U CN 201721722793 U CN201721722793 U CN 201721722793U CN 207750162 U CN207750162 U CN 207750162U
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- China
- Prior art keywords
- power supply
- starter motor
- accumulator
- group
- start circuit
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Abstract
A kind of dumper self-start circuit, including the first starter motor, the second starter motor, generator, super capacitor group, accumulator group, engine start controlling brancher, current transformer, entire car controller and regulated power supply, the super capacitor group and accumulator group composition power supply parallel with one another, power supply give the first starter motor, the second starter motor and generator powered respectively；Power resistor and the first diode are equipped between the anode and the anode of accumulator group of the super capacitor group；The accumulator is powered by the second diode to engine start controlling brancher, and the input terminal of the accumulator and regulated power supply connects, and the output end of regulated power supply is connect with current transformer and entire car controller respectively.When starting engine, since high current will produce prodigious voltage drop, so, to ensure the section components normal work in associated circuitry, need to increase regulated power supply, these components include traction convertor, entire car controller etc..
Description
Technical field
The utility model is related to dumper, especially a kind of dumper self-start circuit.
Background technology
It when engine start, is provided by accumulator group and starts energy, since the engine power of dumper is larger, start hair
Motivation needs energy larger, therefore the live load of accumulator group is big, so reduces the service life of accumulator.Separately
Outside, on startup, other equipment needs to work normally to maintain the normal control of dumper dumper, but is starting engine
When, since high current will produce prodigious voltage drop, so can not ensure the normal work of section components in associated circuitry
Make.
Invention content
The technical problem to be solved by the utility model is to provide a kind of dumper self-start circuits, solve the prior art and deposit
The technical issues of.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of dumper self-start circuit, including the
One starter motor, the second starter motor, generator, super capacitor group, accumulator group, engine start controlling brancher, current transformer,
Entire car controller and regulated power supply, the super capacitor group and accumulator group composition power supply parallel with one another, power supply point
It Gei not the first starter motor, the second starter motor and generator powered；The anode and accumulator group of the super capacitor group are just
Power resistor and the first diode are equipped between pole；The accumulator is supplied by the second diode to engine start controlling brancher
The input terminal of electricity, the accumulator and regulated power supply connects, the output end of regulated power supply respectively with current transformer and entire car controller
Connection.It when engine start, is provided by accumulator and starts energy, to reduce battery-operated load, increase the life of storage battery, this
Utility model increases super capacitor in start-up circuit, when starting engine, to provide transient high-current.Due to increasing
Start super capacitor, when charging to super capacitor, to limit charging current, increases power resistor；In engine start
When, to reduce line resistance, in power resistor both sides parallel diode.When starting engine, since high current will produce
Prodigious voltage drop, so, to ensure the section components normal work in associated circuitry, need to increase regulated power supply, this
A little components include traction convertor, entire car controller etc..
As an improvement, the power supply is connect by first fuse with generator.
As an improvement, first starter motor is connect with the first permission starting contactor；Second starter motor with
Second allows starting contactor to connect.
As an improvement, the power supply is powered to pregreasing pump.
As an improvement, the output end of power supply passes through battery main switch.
As an improvement, being equipped with second fuse between the accumulator group and regulated power supply.
As an improvement, the regulated power supply is connect by third diode with engine start controlling brancher.
Caused advantageous effect is the utility model compared with prior art：
In increasing startup super capacitor, when charging to super capacitor, to limit charging current, increase power electricity
Resistance；In engine start, to reduce line resistance, in power resistor both sides parallel diode.When starting engine, due to
High current will produce prodigious voltage drop, so, to ensure the section components normal work in associated circuitry, need to increase
Add regulated power supply, these components include traction convertor, entire car controller etc..
Description of the drawings
Fig. 1 is the utility model circuit block diagram.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings of the specification.
As shown in Figure 1, a kind of dumper self-start circuit, including the first starter motor, the second starter motor, pre-lubrication
Pump, generator, super capacitor group, accumulator group, illuminator, engine start controlling brancher, current transformer, entire car controller and
Regulated power supply.The pregreasing pump, the first starter motor, the second starter motor and generator are parallel with one another, the super capacitor
Group and accumulator group composition power supply parallel with one another, are equipped between the anode and the anode of accumulator group of the super capacitor group
Power resistor and the first diode.Power supply gives the first starter motor, the second starter motor, pregreasing pump and generator respectively
Power supply；The pregreasing pump contactor and third fuse of control pregreasing pump are additionally provided in the branch of pregreasing pump；First opens
First that the first starter motor of control is additionally provided in dynamic motor branch allows starting contactor；It is also set in second starter motor branch
Have the second starter motor of control second allows starting contactor；It is additionally provided with first fuse in DC24V generator branches.For reality
Existing vehicle power supply control is equipped with battery main switch in the output end of power supply.The accumulator is by the second diode to hair
Motivation starts controlling brancher power supply.The accumulator group is connected by the input terminal of second fuse and regulated power supply, voltage stabilizing electricity
The output end in source is connect with current transformer and entire car controller respectively.Accumulator group does not need the equipment power supply of voltage stabilizing also to other.
The regulated power supply is connect by third diode with engine start controlling brancher.
Utility model works principle：When key switch gets to " ON " gear, battery main switch coil is attracted, control system
It obtains electric；Key switch gets to the position " START "（Start bit）And it keeps supplying to starter motor in this position, accumulator and super capacitor
Electricity, until diesel engine starts, regulated power supply works in the process, maintains the voltage stabilizing of entire car controller and current transformer, with
Other electronic equipments of dumper are made to be worked normally.
It when engine start, is provided by accumulator and starts energy, to reduce battery-operated load, increase the accumulator longevity
Life, the utility model increases super capacitor in start-up circuit, when starting engine, to provide transient high-current.Due to
Startup super capacitor is increased, when charging to super capacitor, to limit charging current, increases power resistor；Starting
When machine starts, to reduce line resistance, in power resistor both sides parallel diode.When starting engine, since high current exists
Prodigious voltage drop is will produce, so, to ensure the section components normal work in associated circuitry, need to increase voltage stabilizing electricity
Source, these components include traction convertor, entire car controller etc..
Claims (7)
1. a kind of dumper self-start circuit, it is characterised in that：Including the first starter motor, the second starter motor, generator, surpass
Grade capacitance group, accumulator group, engine start controlling brancher, current transformer, entire car controller and regulated power supply, the super capacitor
Group and accumulator group composition power supply parallel with one another, power supply give the first starter motor, the second starter motor and hair respectively
Motor is powered；Power resistor and the first diode are equipped between the anode and the anode of accumulator group of the super capacitor group；Institute
It states accumulator to power to engine start controlling brancher by the second diode, the input terminal of the accumulator and regulated power supply connects
It connects, the output end of regulated power supply is connect with current transformer and entire car controller respectively.
2. a kind of dumper self-start circuit according to claim 1, it is characterised in that：The power supply passes through first
Fuse is connect with generator.
3. a kind of dumper self-start circuit according to claim 1, it is characterised in that：First starter motor and the
One allows starting contactor to connect；Second starter motor is connect with the second permission starting contactor.
4. a kind of dumper self-start circuit according to claim 1, it is characterised in that：The power supply is to pre-lubrication
Pump power supply.
5. a kind of dumper self-start circuit according to claim 1, it is characterised in that：The output end of power supply passes through
Battery main switch.
6. a kind of dumper self-start circuit according to claim 1, it is characterised in that：The accumulator group and voltage stabilizing electricity
Second fuse is equipped between source.
7. a kind of dumper self-start circuit according to claim 1, it is characterised in that：The regulated power supply passes through third
Diode is connect with engine start controlling brancher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722793.3U CN207750162U (en) | 2017-12-12 | 2017-12-12 | A kind of dumper self-start circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721722793.3U CN207750162U (en) | 2017-12-12 | 2017-12-12 | A kind of dumper self-start circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750162U true CN207750162U (en) | 2018-08-21 |
Family
ID=63148199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721722793.3U Active CN207750162U (en) | 2017-12-12 | 2017-12-12 | A kind of dumper self-start circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113328655A (en) * | 2021-05-31 | 2021-08-31 | 三一重机有限公司 | Cold start circuit and excavator |
-
2017
- 2017-12-12 CN CN201721722793.3U patent/CN207750162U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113328655A (en) * | 2021-05-31 | 2021-08-31 | 三一重机有限公司 | Cold start circuit and excavator |
| CN113328655B (en) * | 2021-05-31 | 2023-11-28 | 三一重机有限公司 | Cold start circuit and excavator |
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