CN107017773A - Vehicle-mounted DC/DC changer systems - Google Patents
Vehicle-mounted DC/DC changer systems Download PDFInfo
- Publication number
- CN107017773A CN107017773A CN201710434288.7A CN201710434288A CN107017773A CN 107017773 A CN107017773 A CN 107017773A CN 201710434288 A CN201710434288 A CN 201710434288A CN 107017773 A CN107017773 A CN 107017773A
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- China
- Prior art keywords
- circuit
- pcb board
- thick copper
- transformer
- filter circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 84
- 229910052802 copper Inorganic materials 0.000 claims abstract description 84
- 239000010949 copper Substances 0.000 claims abstract description 84
- 238000004804 winding Methods 0.000 claims abstract description 30
- 238000009413 insulation Methods 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
- 238000005476 soldering Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
Abstract
The invention provides a kind of vehicle-mounted DC/DC changer systems, wherein, the input filter circuit, inverter circuit, the first drive circuit, transformer, rectification circuit, output filter circuit, power controller circuit are located at the M blocks pcb board, and the transformer makees winding by the thick copper pcb board；If the output filter circuit includes output inductor, the output inductor makees winding by the thick copper pcb board；The inverter circuit includes at least one first power switch pipe, and first power switch pipe is controlled to realize the break-make of the inverter circuit by first drive circuit.
Description
Technical field
The present invention relates to automotive field, more particularly to a kind of vehicle-mounted DC/DC changer systems.
Background technology
What the design majority that output end or power device of existing DC converter etc. are related to low-voltage, high-current was illustrated
It is circuit design or control strategy, referring to a kind of Application No. CN01132209.8 patent " two-way DC-DC conversion
Device ", a kind of Application No. CN200710124892.6 patent " DC converter ", Application No. CN201210002151.1's
" a kind of dual transformer string is simultaneously for patent " a kind of isolated DC reversible transducer " and Application No. CN201310637120.8 patent
Connection formula isolated soft switching DC converter and its control method ", wherein, the high current without reference to PCB radiates
Problem and the solution designed, are especially not directed to the Cooling Solution under vehicle environment.
The content of the invention
The technical problem to be solved in the present invention is how to realize the high current heat dissipation problem of converter.
In order to solve the above technical problems, the invention provides a kind of vehicle-mounted DC/DC changer systems, including input filter
Circuit, inverter circuit, the first drive circuit, transformer, rectification circuit, the second drive circuit, output filter circuit and power supply control
Device circuit processed；
The input filter circuit connects input connector, and first drive circuit is by the power controller circuit control
The system driving inverter circuit work, the input filter circuit connects the first of the transformer by the inverter circuit
Side, the second side of the transformer connects the output filter circuit by the rectification circuit, and the output filter circuit connects
Connect out connector；Second drive circuit drives the rectification circuit to work by power controller circuit control；
Also include M block pcb boards, the input filter circuit, inverter circuit, the first drive circuit, transformer, rectified current
Road, output filter circuit, power controller circuit are located at the M blocks pcb board, and M is the integer more than or equal to 1, the M blocks PCB
Plate includes the thick copper pcb board of N blocks, and N is the integer more than or equal to 1 and less than or equal to M, and the transformer passes through the thick copper pcb board
Make winding, wherein one or more layers the copper thickness of the thick copper pcb board is more than or equal to 105 microns；The output filter circuit
It is described defeated if the output filter circuit includes output inductor including output inductor and/or output filter capacitor
Go out filter inductance and winding is made by the thick copper pcb board；
The inverter circuit includes at least one first power switch pipe, and first power switch pipe is driven by described first
The break-make of the inverter circuit is realized in dynamic circuit control.
Optionally, described vehicle-mounted DC/DC changer systems also include the second drive circuit, and the rectification circuit is included extremely
Few second power switch pipe, the power switch pipe is controlled to realize the logical of the full-bridge circuit by second drive circuit
Disconnected, second drive circuit drives the rectification circuit to work by power controller circuit control.
Optionally, first power switch pipe and/or second power switch pipe are mounted on the thick copper pcb board.
Optionally, the quantity of the thick copper pcb board is one piece, the input filter circuit, inverter circuit, the first driving electricity
Road, transformer, rectification circuit, output filter circuit and power controller circuit are located at the same thick copper pcb board.
Optionally, the input filter circuit, inverter circuit, the first drive circuit, transformer, rectification circuit, output filter
Wave circuit is located at the same thick copper pcb board.
Optionally, the transformer, rectification circuit and output filter circuit are located at the same thick copper pcb board.
Optionally, the thick copper pcb board is provided with heat transfer through hole.
Optionally, described vehicle-mounted DC/DC changer systems also include radiator shell and heat-conduction insulation spacer, the thickness
Copper pcb board is in the shell, and the heat-conduction insulation spacer is between the radiator shell and thick copper pcb board.
Optionally, the output filter circuit directs or through switching device and connects the out connector.
Optionally, described vehicle-mounted DC/DC changer systems also include signal condition and protection circuit, the signal condition
The input filter circuit, inverter circuit, rectification circuit and output filter circuit are connected respectively with protection circuit, so as to gather electricity
At least one of stream, voltage and temperature data, the signal condition and protection circuit are also connected with the power controller circuit.
Optionally, described vehicle-mounted DC/DC changer systems also include microcontroller circuit, the microprocessor respectively with
Signal conditioning circuit and the power controller circuit connection.
Invention introduces input filter circuit, inverter circuit, the first drive circuit, transformer, rectification circuit, output filter
Wave circuit and power controller circuit formation changer system；Wherein, because the transformer is arranged on thick copper PCB, it can
To be in close contact respectively with cooling surface up and down by the upper and lower surface of magnetic core, radiated；Solve and how to realize converter
High current heat dissipation problem.
Further, transformer is using PCB copper cabling as winding, and the density that its winding allows is much larger than independent transformation
The power density of device winding, helps to reduce the volume of corresponding function transformer.Which simplify the wire winding of traditional transformer,
And quick production need not be contributed to the independent die sinking of skeleton.
Further, inductance simplifies the wire winding of heavy-current inductor using PCB trace as winding, and need not be right
Skeleton is individually molded, and contributes to quick production.
Further, in one of which alternative, using SMD power switching tube, such as FET
(MOSFET), insulated gate bipolar transistor (IGBT, Insulated Gate Bipolar Transistor) or other power
Switching tube, can reduce the parasitic parameter of power switch pipe pin, further reduce pin at voltage current waveform vibration and
The loss of power switch pipe；Reflow Soldering production technology can be used, more easy to install compared to plug-in unit device, its production efficiency is higher；
It can be radiated simultaneously using the upper and lower surface of power switch pipe, reduce the temperature rise of device, improve the electric current of device
Disposal ability.
Brief description of the drawings
Fig. 1 to Fig. 3 is the schematic diagram of vehicle-mounted DC/DC changer systems in three alternative embodiments of the invention；
Fig. 4 is the schematic diagram of radiator shell in an alternate embodiment of the present invention；
Fig. 5 is the schematic diagram of thick copper pcb board in an alternate embodiment of the present invention；
Fig. 6 is the schematic diagram of PCB drain pans in an alternate embodiment of the present invention；
Fig. 7 is the schematic diagram one of pcb board in an alternate embodiment of the present invention；
Fig. 8 is the schematic diagram two of pcb board in an alternate embodiment of the present invention；
Fig. 9 is efficiency schematic diagram in an alternate embodiment of the present invention.
Embodiment
It is described in detail below with reference to Fig. 1 to Fig. 9 vehicle-mounted DC/DC changer systems provided the present invention, its
For optional embodiment of the present invention, it is believed that those skilled in the art in the range of spirit of the invention and content is not changed,
It is modified and polished.
Fig. 1 to Fig. 9 is refer to, the invention provides a kind of vehicle-mounted DC/DC changer systems, including input filter circuit,
Inverter circuit, the first drive circuit, transformer, rectification circuit, output filter circuit and power controller circuit；
The input filter circuit connects input connector, and first drive circuit is by the power controller circuit control
The system driving inverter circuit work, the input filter circuit connects the first of the transformer by the inverter circuit
Side, the second side of the transformer connects the output filter circuit by the rectification circuit, and the output filter circuit connects
Connect out connector；
Also include at least thick copper pcb board of M blocks, M is the integer more than or equal to 1, the input filter circuit, inverter circuit,
First drive circuit, transformer, rectification circuit, output filter circuit, power controller circuit are located at the pcb board, the M blocks
Pcb board includes the thick copper pcb board of N blocks, and N is the integer more than or equal to 1 and less than or equal to M, and the transformer passes through the thick copper PCB
Plate makees winding；, wherein one or more layers the copper thickness of the thick copper pcb board is more than or equal to 105 microns；The output filtered electrical
Road includes output inductor and/or output filter capacitor, described if the output filter circuit includes output inductor
Output inductor makees winding by the thick copper pcb board；
The inverter circuit and/or rectification circuit include power switch pipe, and the power switch pipe is respectively by described first
The break-make of the inverter circuit and/or rectification circuit is realized in drive circuit and/or the control of the second drive circuit.
The power switch pipe, can using FET (MOSFET), insulated gate bipolar transistor (IGBT,
Insulated Gate Bipolar Transistor) or other types power switch pipe.
Fig. 9 is the efficiency test figure of the system.
In alternative of the present invention, multiple power components, which share the thick copper coins of one piece of PCB and done, to radiate and cabling design；Thick copper
PCB walks power line, and the mode compared to cabling outside common pcb board walks the scheme of power line, and its power density can be with much higher；
All non-power elements and power component are all arranged on same thick copper pcb board, it is possible to reduce between signal
Connector and wire harness.Non-power element and part low current power component can also be arranged on another piece of pcb board, then pass through letter
Number connecting line or low current connecting line are connected with thick copper pcb board.
In the embodiment that Fig. 1 to Fig. 3 illustrates, described vehicle-mounted DC/DC changer systems also include signal condition and guarantor
Protection circuit, the signal condition and protection circuit connect the input filter circuit, inverter circuit, rectification circuit and output respectively
Filter circuit, so as to gather at least one of electric current, voltage and temperature data, certainly, can also gather other data, and be not limited to
More than, the signal condition and protection circuit are also connected with the power controller circuit.Described vehicle-mounted DC/DC converters system
System also includes microcontroller circuit, and the microprocessor is connected with the signal conditioning circuit and power controller circuit respectively.
In the embodiment that Fig. 1 to Fig. 3 illustrates, described vehicle-mounted DC/DC changer systems also include the second drive circuit,
The rectification circuit includes at least one second power switch pipe, and the power switch pipe is controlled real by second drive circuit
The break-make of the existing full-bridge circuit, second drive circuit drives the rectification circuit by power controller circuit control
Work, second power switch pipe is mounted on the thick copper pcb board.Second power switch pipe can use FET
(MOSFET), in other optional embodiments, the second power switch pipe could alternatively be diode, on the basis of this, then need not
Driving, so, can be without the second drive circuit under which；
It is the input filter circuit, inverter circuit, the first drive circuit, transformer, whole in the embodiment of Fig. 1 signals
Current circuit, the second drive circuit, output filter circuit and power controller circuit are located at the same thick copper pcb board.If other
In optional mode not include the second drive circuit, then the input filter circuit, inverter circuit, the first drive circuit, transformer,
Rectification circuit, output filter circuit and power controller circuit are located at the same thick copper pcb board；
It is the input filter circuit, inverter circuit, the first drive circuit, transformer, whole in the embodiment of Fig. 2 signals
Current circuit, the second drive circuit, output filter circuit are located at the same thick copper pcb board, and the remaining circuit part of system can be with
Located at another pcb board, another pcb board can be thick copper pcb board, or non-thick copper pcb board.If other optional modes
In do not include the second drive circuit, the then input filter circuit, inverter circuit, the first drive circuit, transformer, rectified current
Road, the second drive circuit, output filter circuit are located at the same thick copper pcb board
In the embodiment of Fig. 3 signals, the transformer, rectification circuit, the second drive circuit and output filter circuit are set
In the same thick copper pcb board, the remaining circuit part of system is located at another pcb board, and another pcb board can be thickness
Copper pcb board, or non-thick copper pcb board.If not including the second drive circuit in other optional modes, the transformer,
Rectification circuit and output filter circuit are located at the same thick copper pcb board；
Relevant transformer, corresponding thick copper pcb board is made up of multilayer；Portion is layered as transformer first side winding, part layer
For Circuit Fault on Secondary Transformer winding.Using the copper cabling of thick copper pcb board as winding, the density that its winding allows is much larger than non-PCB
The power density of the traditional transformer winding of coiling, helps to reduce the volume of corresponding function transformer.Walked using thick copper pcb board
Line simplifies the wire winding of traditional transformer, and need not contribute to quick production to the independent die sinking of skeleton as winding.One
Coupling between secondary side and secondary side can be higher than traditional transformer, and leakage inductance parasitic parameter is also smaller, reduces the damage of transformer
Consumption.
The input of transformer and lead-out terminal, it is possible to use PCB trace is connected with other power devices on plate, without outer
Portion's wire harness or other attachment means, it is to avoid the stray inductance that attachment means are brought, and need not consider that the connection at this terminal is reliable
Property limitation.Certainly, it can also be connected in other alternatives with other power devices on the cabling and plate outside pcb board.
Transformer on thick copper PCB can by the upper surface of magnetic core and/or lower surface respectively with upper cooling surface
And/or lower cooling surface is in close contact, and is radiated；It is also possible to expand radiating using the horizontal heat-transfer capability of thick copper pcb board
At face, the thick copper PCB of heat transfer to magnetic core profile exterior, being brought into close contact for thickness copper PCB and cooling surface at this is recycled, so that
Reduce the thermal resistance of transformer and cooling surface.
Relevant output filter circuit, including beyond output inductor, output filter capacitor is may also include, export filtered electrical
Appearance can be directly installed on thick copper PCB, help radiating；And avoid because capacitor connection line is long, influence filter effect.It is defeated
Going out filter inductance can be by the use of thickness copper PCB as winding, without outside high current copper bar or other high current wire harness；So as to subtract
Small size.
Using PCB trace as winding, simplify the wire winding of heavy-current inductor, and need not to the independent die sinking of skeleton,
Contribute to quick production.The input of PCB plane inductance and lead-out terminal, it is possible to use PCB trace and other power devices on plate
Part is connected, and without exterior strands or other attachment means, improves the connection reliability at terminal.Certainly, in other alternatives
Also other power devices on lead-out terminal and/or plate can be connected with the cabling outside pcb board or copper bar.
Inductance on thick copper PCB can by the upper surface of magnetic core and/or lower surface respectively with upper cooling surface and/
Or lower cooling surface is in close contact, and is radiated；It is also possible to which radiating can be expanded using the horizontal heat-transfer capability of thick copper coin
At face, the thick copper PCB of heat transfer to magnetic core profile exterior, being brought into close contact for thickness copper PCB and cooling surface at this is recycled, so that
Reduce the thermal resistance of cabling and cooling surface inside inductance.
The relevant power switch pipe, using paster power switch pipe, can reduce the parasitic ginseng of power switch pipe pin
Number, further reduces the vibration and the loss of power switch pipe of voltage current waveform at pin；, can using paster power switch pipe
To use Reflow Soldering production technology, more easy to install compared to plug-in unit device, its production efficiency is higher；Using paster power switch pipe,
It can be radiated simultaneously using the upper and lower surface of power switch pipe, reduce the temperature rise of device, improve the electric current of device
Disposal ability；
In optional embodiment of the invention, the thick copper pcb board is provided with heat transfer through hole.It is logical with the interlayer of pcb board
Hole, the heat that power switch tube device is sent is transferred to the PCB layer closer to cooling surface from place patch layer.Through hole has
The layers of copper of certain wall thickness is constituted, and using the strong capacity of heat transmission of copper, can reduce the thermal resistance between thick two outer layers of copper PCB, so that
Reduce entire thermal resistance, reduce system temperature rise.
Optionally, described vehicle-mounted DC/DC changer systems also include radiator shell and heat-conduction insulation spacer, the thickness
Copper pcb board is in the shell, and the heat-conduction insulation spacer is between the radiator shell and thick copper pcb board.
In optional embodiment of the invention, it is described defeated that the output filter circuit directs or through switching device connection
Go out connector.This design can be led to by providing the contact position between out connector and thick copper PCB enough contacts area
Close contact cooling surface is crossed, reduces thermal resistance, so as to reduce the temperature rise of out connector.Add between thick copper PCB and radiator shell
Upper heat-conduction insulation spacer, is radiated；Thick copper PCB can further improve thermal resistance by fastened by screw on shell；Multiple element
On thick copper coin, it is desirable to which the area of thick copper coin is larger；Plus heat-conduction insulation spacer and by spiral shell between thick copper coin and cooling surface
After silk fastening, gap between the two is filled, and the thermal resistance between thick copper coin and cooling surface can be reduced further；So as to have
Reduce temperature rise and improve the effect of current capacity.
Alternative of the present invention can have the following effects that：
1) good heat dissipation effect of power components；
2) integrated designs, wire harness is few, and connection reliability is high, and easily production is installed；
3) .PCB walks high current line, and power density is high, small volume；
4) wire harness is few, and mechanical parts are few, and using PCB integrated planar magnetic core parts, cost is low.
In summary, invention introduces input filter circuit, inverter circuit, the first drive circuit, transformer, rectified current
Road, output filter circuit and power controller circuit formation changer system；Wherein, because the transformer is arranged on thick copper
On PCB, it can be in close contact with cooling surface up and down respectively by the upper and lower surface of magnetic core, be radiated；How real solve
The high current heat dissipation problem of existing converter.
Further, transformer is using PCB copper cabling as winding, and the density that its winding allows is much larger than independent transformation
The power density of device winding, helps to reduce the volume of corresponding function transformer.Which simplify the wire winding of traditional transformer,
And quick production need not be contributed to the independent die sinking of skeleton.
Further, inductance simplifies the wire winding of heavy-current inductor using PCB trace as winding, and need not be right
Skeleton is individually molded, and contributes to quick production.
Further, in the optional embodiment of one of which, using SMD first power switch pipe, such as field-effect
Manage (MOSFET), insulated gate bipolar transistor (IGBT, Insulated Gate Bipolar Transistor) or other work(
Rate switching tube, can reduce the parasitic parameter of power switch pipe pin, further reduce the vibration of voltage current waveform at pin
With the loss of power switch pipe；Reflow Soldering production technology can be used, more easy to install compared to plug-in unit device, its production efficiency is more
It is high；It can be radiated simultaneously using the upper and lower surface of power switch pipe, reduce the temperature rise of device, improve the electricity of device
Stream process ability.
Claims (10)
1. a kind of vehicle-mounted DC/DC changer systems, it is characterised in that：Including input filter circuit, inverter circuit, the first driving electricity
Road, transformer, rectification circuit, output filter circuit and power controller circuit；
The input filter circuit connects input connector, and first drive circuit is controlled to drive by the power controller circuit
The dynamic inverter circuit work, the input filter circuit connects the first side of the transformer, institute by the inverter circuit
The second side for stating transformer connects the output filter circuit, the output filter circuit connection output by the rectification circuit
Connector；
Also include M block pcb boards, M is integer more than or equal to 1, the input filter circuit, inverter circuit, the first drive circuit,
Transformer, rectification circuit, output filter circuit, power controller circuit are located at the M blocks pcb board, and the M blocks pcb board includes N
Block thickness copper pcb board, N is the integer more than or equal to 1 and less than or equal to M, and the transformer is installed on the thick copper pcb board, and institute
State transformer and winding is made by the thick copper pcb board；Wherein one or more layers the copper thickness of the thick copper pcb board is more than or equal to
105 microns；The output filter circuit includes output inductor and/or output filter capacitor, if the output filter circuit
Including output inductor, then the output inductor makees winding by the thick copper pcb board；
The inverter circuit includes at least one first power switch pipe, and first power switch pipe is by the described first driving electricity
Road controls to realize the break-make of the inverter circuit.
2. vehicle-mounted DC/DC changer systems as claimed in claim 1, it is characterised in that：Also include the second drive circuit, it is described
Rectification circuit includes at least one second power switch pipe, and the power switch pipe realizes institute by second drive circuit control
The break-make of rectification circuit is stated, second drive circuit drives the rectification circuit work by power controller circuit control
Make, second power switch pipe is mounted on the thick copper pcb board.
3. vehicle-mounted DC/DC changer systems as claimed in claim 1 or 2, it is characterised in that：The quantity of the thick copper pcb board
For one piece, the input filter circuit, inverter circuit, the first drive circuit, transformer, rectification circuit, output filter circuit and
Power controller circuit is located at the same thick copper pcb board.
4. vehicle-mounted DC/DC changer systems as claimed in claim 1 or 2, it is characterised in that：It is the input filter circuit, inverse
Become circuit, the first drive circuit, transformer, rectification circuit, output filter circuit and be located at the same thick copper pcb board.
5. vehicle-mounted DC/DC changer systems as claimed in claim 1 or 2, it is characterised in that：The transformer, rectification circuit
The same thick copper pcb board is located at output filter circuit.
6. vehicle-mounted DC/DC changer systems as claimed in claim 1 or 2, it is characterised in that：The thick copper pcb board is provided with
Conduct heat through hole.
7. vehicle-mounted DC/DC changer systems as claimed in claim 1 or 2, it is characterised in that：Also include radiator shell and lead
Heat insulation pad, the thick copper pcb board in the shell, and the heat-conduction insulation spacer located at the radiator shell and
Between thick copper pcb board.
8. vehicle-mounted DC/DC changer systems as claimed in claim 1, it is characterised in that：The output filter circuit directly or
Person connects the out connector by switching device.
9. vehicle-mounted DC/DC changer systems as claimed in claim 1, it is characterised in that：Also include signal condition and protection electricity
Road, the signal condition and protection circuit connect the input filter circuit, inverter circuit, rectification circuit and output filtering respectively
Circuit, so as to gather at least one of electric current, voltage and temperature data, the signal condition and protection circuit also with the power supply
Controller circuitry is connected.
10. vehicle-mounted DC/DC changer systems as claimed in claim 9, it is characterised in that：Also include microcontroller circuit, institute
Microprocessor is stated to be connected with the signal condition and protection circuit and power controller circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710434288.7A CN107017773A (en) | 2017-06-09 | 2017-06-09 | Vehicle-mounted DC/DC changer systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710434288.7A CN107017773A (en) | 2017-06-09 | 2017-06-09 | Vehicle-mounted DC/DC changer systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107017773A true CN107017773A (en) | 2017-08-04 |
Family
ID=59452738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710434288.7A Pending CN107017773A (en) | 2017-06-09 | 2017-06-09 | Vehicle-mounted DC/DC changer systems |
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| Country | Link |
|---|---|
| CN (1) | CN107017773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947591A (en) * | 2017-12-19 | 2018-04-20 | 河南思维轨道交通技术研究院有限公司 | Isolated power supply module of railway locomotive vehicle electronic device |
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