CN106026635A - DC/DC converter - Google Patents
DC/DC converter Download PDFInfo
- Publication number
- CN106026635A CN106026635A CN201510870264.7A CN201510870264A CN106026635A CN 106026635 A CN106026635 A CN 106026635A CN 201510870264 A CN201510870264 A CN 201510870264A CN 106026635 A CN106026635 A CN 106026635A
- Authority
- CN
- China
- Prior art keywords
- loop
- electrically connected
- transducer
- circuit
- active switching
- 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.)
- Pending
Links
Abstract
The embodiment of the invention discloses a DC/DC converter, and solves a technical problem that the performance of a product is affected by vibration and abnormal noise because a conventional DC/DC converter is more difficult to achieve more stable output at a full-load stage. The DC/DC converter comprises a housing, a control circuit, an input end, and an output end. The housing consists of a bottom plate and a heat-dissipation cover. The control circuit is disposed in the housing. The control circuit comprises an electromagnetic inhibition loop, an active switching loop, an inductor, an energy storage circuit, a filter circuit, a control loop, and an optical coupling device. The electromagnetic inhibition loop is electrically connected with the active switching loop and the control loop, and the active switching loop is electrically connected with the inductor. The inductor is electrically connected with the energy storage circuit, and the energy storage circuit is electrically connected with the filter circuit. The active switching loop is electrically connected with the control loop, and the control loop is electrically connected with the optical coupling device. The optical coupling device is connected with the output end. The electromagnetic inhibition loop is connected with the input end.
Description
Technical field
The present invention relates to DC/DC converter technology field, particularly relate to a kind of DC/DC transducer.
Background technology
Pure electric automobile (Blade Electric Vehicles, BEV) is that the single accumulator of a kind of employing is as storage
The automobile in motility source, it utilizes accumulator as stored energy power source, provides electricity by battery to motor
Can, drive motor operation, thus promote running car.Pure electric automobile needs DC/DC transducer to enter
Row charges and is powered various electronic equipments, and DC/DC transducer is highly integrated microprocessor conduct
Processing controls center, is that therefore, volume is substantially reduced, and weight drops significantly by numerous and diverse hardware simulation circuit reduction
Low, low cost of manufacture, price is relatively low. and high frequency DC/DC conversion frequency is typically at more than 20KHZ. but high frequency
DC/DC transducer tolerance under severe electrical network and environmental condition is poor, is relatively applicable to electrical network more steady
Determine and dust is less, the suitable environment of temperature/humidity.
Current DC/DC transducer is more difficult realizes more stable output in the full load stage, produces vibration with different
Sound, thus result in the technical problem affecting properties of product.
Summary of the invention
A kind of DC/DC transducer that the embodiment of the present invention provides, solves current DC/DC transducer
More difficult realize more stable output in the full load stage, produce vibration and abnormal sound, thus result in and affect product
The technical problem of performance.
A kind of DC/DC transducer that the embodiment of the present invention provides, including:
Shell, control circuit, input and outfan；
Described shell is made up of base plate and heat dissipating housing；
Described control circuit is arranged on described enclosure；
Described control circuit includes that electromagnetism suppresses loop, active switching circuit, inductance, accumulator, filter
Wave circuit, control loop, LMDS Light Coupled Device；
Described electromagnetism suppression loop and described active switching circuit, described control loop are electrically connected with, described
Active switching circuit is electrically connected with described inductance, and described inductance and described accumulator are electrically connected with, institute
State accumulator to be electrically connected with described filter circuit, described active switching circuit and described control loop electricity
Property connect, described control loop and described LMDS Light Coupled Device are electrically connected with, and described LMDS Light Coupled Device is with described
Outfan connects；
Described electromagnetism suppression loop is connected with described input.
Alternatively, described control circuit also includes:
Inrush current suppression soft start, is electrically connected at described electromagnetism suppression loop and described active switches back into
Between road；
Accessory power supply loop, is electrically connected between described electromagnetism suppression loop and described control loop.
Alternatively, described control loop is also associated with inputting low-voltage protection loop and overpower protection loop.
Alternatively, output voltage measure loop it is also associated with between described LMDS Light Coupled Device and described outfan；
Described LMDS Light Coupled Device is also associated with temperature control and detects/drop loop of power circuit.
Alternatively, it is also associated with cell anti-reverse between described filter circuit and described outfan and connects protective loop.
Alternatively, described LMDS Light Coupled Device connects protective loop with described cell anti-reverse and is connected, and at described light
Coupled apparatus and described cell anti-reverse connect and are also associated with overcurrent protection loop between protective loop.
Alternatively, described heat dissipating housing is fan-free structure, and described heat dissipating housing outer surface is provided with N bar wind
Passage.
Alternatively, described control circuit is double pcb board structure, is electrically connected by double 10PIN interface
Connect.
Alternatively, described pcb board structure is provided with a plurality of power heater members.
Alternatively, described base plate, described control circuit and described heat dissipating housing pass one by fixed component
Fixing connection.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
A kind of DC/DC transducer that the embodiment of the present invention provides, including: shell, control circuit, input
End and outfan；Shell is made up of base plate and heat dissipating housing；Control circuit is arranged on enclosure；Control electricity
Road includes that electromagnetism suppression loop, active switching circuit, inductance, accumulator, filter circuit, control are returned
Road, LMDS Light Coupled Device；Electromagnetism suppression loop and active switching circuit, control loop are electrically connected with, active
Switching circuit is electrically connected with inductance, inductance and accumulator electric connection, accumulator and filter circuit
Being electrically connected with, active switching circuit is electrically connected with controlling loop, controls loop electrical with LMDS Light Coupled Device
Connecting, LMDS Light Coupled Device is connected with outfan；Electromagnetism suppression loop is connected with input.In the present embodiment,
By electromagnetism suppression loop and active switching circuit, control loop electric connection, active switching circuit and electricity
Electronasty connects, and inductance and accumulator are electrically connected with, accumulator is electrically connected with filter circuit, have
Source switching circuit is electrically connected with controlling loop, controls loop and is electrically connected with LMDS Light Coupled Device, solves
Current DC/DC transducer is more difficult realizes more stable output in the full load stage, produces vibration and abnormal sound,
Thus result in the technical problem affecting properties of product.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the connection diagram of control circuit；
Fig. 2 is the explosive view of DC/DC transducer；
Fig. 3 is the structural representation of double 10PIN；
Fig. 4 is the structural representation of fixed component；
Fig. 5 is power heater members schematic diagram；
Illustrate: base plate 1, heat dissipating housing 2, control circuit 3, electromagnetism suppression loop 4, active switching
Loop 5, inductance 6, accumulator 7, filter circuit 8, control loop 9, LMDS Light Coupled Device 10, prominent
Enter electric current suppression soft start 11, accessory power supply loop 12, input low-voltage protection loop 13, overpower guarantor
Protect loop 14, output voltage measure loop 15, temperature control detects/drops loop of power circuit 16, cell anti-reverse meets guarantor
Protect loop 17, overcurrent protection loop 18, double 10PIN interface 19, power heater members 20, fix
Parts 21.
Detailed description of the invention
A kind of DC/DC transducer that the embodiment of the present invention provides, solves current DC/DC transducer
More difficult realize more stable output in the full load stage, produce vibration and abnormal sound, thus result in and affect product
The technical problem of performance.
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, below will
In conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that the embodiments described below are only a part of embodiment of the present invention, and not all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creativeness
The all other embodiments obtained under work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1 to Fig. 5, a reality of a kind of DC/DC transducer provided in the embodiment of the present invention
Execute example to include:
Shell, control circuit 3, input and outfan；
Shell is made up of base plate 1 and heat dissipating housing 2, and base plate 1 is aluminium base, and heat dissipating housing 2 is aluminum shell；
Control circuit 3 is arranged on enclosure；
Control circuit 3 include electromagnetism suppression loop 4, active switching circuit 5, inductance 6, accumulator 7,
Filter circuit 8, control loop 9, LMDS Light Coupled Device 10, active switching circuit 5 is cut for active clamp switch
Gain road；
Electromagnetism suppression loop 4 and active switching circuit 5, control loop 9 are electrically connected with, active switching circuit
5 are electrically connected with inductance 6, and inductance 6 and accumulator 7 are electrically connected with, accumulator 7 and filter circuit
8 are electrically connected with, and active switching circuit 5 is electrically connected with controlling loop 9, control loop 9 and photo-coupler
Part 10 is electrically connected with, and LMDS Light Coupled Device 10 is connected with outfan；
Electromagnetism suppression loop 4 is connected with input.
Further, control circuit 3 also includes:
Inrush current suppression soft start 11, is electrically connected at electromagnetism suppression loop 4 and active switching circuit 5
Between；
Accessory power supply loop 12, is electrically connected at electromagnetism suppression loop 4 and controls between loop 9.
Further, control loop 9 is also associated with inputting low-voltage protection loop 13 and overpower protection returns
Road 14.
Further, output voltage measure loop 15 it is also associated with between LMDS Light Coupled Device 10 and outfan；
LMDS Light Coupled Device 10 is also associated with temperature control and detects/drop loop of power circuit 16.
Further, it is also associated with cell anti-reverse between filter circuit 8 and outfan and connects protective loop 17.
Further, LMDS Light Coupled Device 10 connects protective loop 17 and is connected with cell anti-reverse, and in optical coupling
Device 10 and cell anti-reverse connect and are also associated with overcurrent protection loop 18 between protective loop 17.
Further, heat dissipating housing 2 is fan-free structure, heat dissipating housing 2 outer surface is provided with N bar wind and leads to
Road.
Further, control circuit 3 is double pcb board structure, by double 10PIN interface 19 electricity
Property connect.
Further, pcb board structure is provided with a plurality of power heater members 20, power heater members
20 is big electric current copper post.
Further, base plate 1, control circuit 3 and heat dissipating housing 2 are solid through one by fixed component 21
Fixed connection, Trinitarian M4 screw is directly locked in aluminum shell, PCB, on aluminium base, reduces heat and return
Road and thermal resistance.
A kind of DC/DC transducer that the embodiment of the present invention provides, including: shell, control circuit 3, defeated
Enter end and outfan；Shell is made up of base plate 1 and heat dissipating housing 2；Control circuit 3 is arranged on enclosure；
Control circuit 3 includes electromagnetism suppression loop 4, active switching circuit 5, inductance 6, accumulator 7, filter
Wave circuit 8, control loop 9, LMDS Light Coupled Device 10；Electromagnetism suppression loop 4 and active switching circuit 5,
Controlling loop 9 to be electrically connected with, active switching circuit 5 is electrically connected with inductance 6, inductance 6 and energy storage electricity
Road 7 is electrically connected with, accumulator 7 is electrically connected with filter circuit 8, active switching circuit 5 and control
Loop 9 is electrically connected with, and controls loop 9 and is electrically connected with LMDS Light Coupled Device 10, LMDS Light Coupled Device 10 and
Outfan connects；Electromagnetism suppression loop 4 is connected with input.In the present embodiment, suppressed back by electromagnetism
Road 4 and active switching circuit 5, control loop 9 are electrically connected with, and active switching circuit 5 is electrical with inductance 6
Connecting, inductance 6 and accumulator 7 are electrically connected with, accumulator 7 is electrically connected with filter circuit 8,
Active switching circuit 5 is electrically connected with controlling loop 9, controls loop 9 and electrically connects with LMDS Light Coupled Device 10
Connecing, solve that current DC/DC transducer is more difficult realizes more stable output in the full load stage, generation is shaken
Swing and abnormal sound, thus result in the technical problem affecting properties of product.
The above, above example only in order to technical scheme to be described, is not intended to limit；
Although being described in detail the present invention with reference to previous embodiment, those of ordinary skill in the art should
Work as understanding: the technical scheme described in foregoing embodiments still can be modified by it, or to it
Middle part technical characteristic carries out equivalent；And these amendments or replacement, do not make appropriate technical solution
Essence depart from various embodiments of the present invention technical scheme spirit and scope.
Claims (10)
1. a DC/DC transducer, it is characterised in that including:
Shell, control circuit, input and outfan；
Described shell is made up of base plate and heat dissipating housing；
Described control circuit is arranged on described enclosure；
Described control circuit includes that electromagnetism suppresses loop, active switching circuit, inductance, accumulator, filter
Wave circuit, control loop, LMDS Light Coupled Device；
Described electromagnetism suppression loop and described active switching circuit, described control loop are electrically connected with, described
Active switching circuit is electrically connected with described inductance, and described inductance and described accumulator are electrically connected with, institute
State accumulator to be electrically connected with described filter circuit, described active switching circuit and described control loop electricity
Property connect, described control loop and described LMDS Light Coupled Device are electrically connected with, and described LMDS Light Coupled Device is with described
Outfan connects；
Described electromagnetism suppression loop is connected with described input.
DC/DC transducer the most according to claim 1, it is characterised in that described control circuit
Also include:
Inrush current suppression soft start, is electrically connected at described electromagnetism suppression loop and described active switches back into
Between road；
Accessory power supply loop, is electrically connected between described electromagnetism suppression loop and described control loop.
DC/DC transducer the most according to claim 1, it is characterised in that described control loop
It is also associated with inputting low-voltage protection loop and overpower protection loop.
DC/DC transducer the most according to claim 1, it is characterised in that described photo-coupler
Output voltage measure loop it is also associated with between part and described outfan；
Described LMDS Light Coupled Device is also associated with temperature control and detects/drop loop of power circuit.
DC/DC transducer the most according to claim 1, it is characterised in that described filter circuit
And it is also associated with cell anti-reverse between described outfan and connects protective loop.
DC/DC transducer the most according to claim 5, it is characterised in that described photo-coupler
Part connects protective loop with described cell anti-reverse and is connected, and connects with described cell anti-reverse at described LMDS Light Coupled Device
Overcurrent protection loop it is also associated with between protective loop.
DC/DC transducer the most as claimed in any of claims 1 to 6, it is characterised in that
Described heat dissipating housing is fan-free structure, and described heat dissipating housing outer surface is provided with N bar wind passage.
DC/DC transducer the most according to claim 7, it is characterised in that described control circuit
For double pcb board structure, it is electrically connected with by double 10PIN interface.
DC/DC transducer the most according to claim 8, it is characterised in that described pcb board is tied
A plurality of power heater members it is provided with on structure.
DC/DC transducer the most according to claim 9, it is characterised in that described base plate, institute
State control circuit and described heat dissipating housing to be connected through one is fixing by fixed component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870264.7A CN106026635A (en) | 2015-11-30 | 2015-11-30 | DC/DC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870264.7A CN106026635A (en) | 2015-11-30 | 2015-11-30 | DC/DC converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106026635A true CN106026635A (en) | 2016-10-12 |
Family
ID=57082485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510870264.7A Pending CN106026635A (en) | 2015-11-30 | 2015-11-30 | DC/DC converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106026635A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200983567Y (en) * | 2006-08-04 | 2007-11-28 | 李劲 | High current brushless electromotor controller |
| CN201846294U (en) * | 2010-11-11 | 2011-05-25 | 彭希南 | Control assembly of permanent magnet brushless direct current motor |
| CN203788154U (en) * | 2014-04-23 | 2014-08-20 | 深圳市时代创新科技有限公司 | Multipath output DC/DC secondary power supply system |
| CN205141993U (en) * | 2015-11-30 | 2016-04-06 | 东莞市港奇电子有限公司 | DC/DC converter |
-
2015
- 2015-11-30 CN CN201510870264.7A patent/CN106026635A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200983567Y (en) * | 2006-08-04 | 2007-11-28 | 李劲 | High current brushless electromotor controller |
| CN201846294U (en) * | 2010-11-11 | 2011-05-25 | 彭希南 | Control assembly of permanent magnet brushless direct current motor |
| CN203788154U (en) * | 2014-04-23 | 2014-08-20 | 深圳市时代创新科技有限公司 | Multipath output DC/DC secondary power supply system |
| CN205141993U (en) * | 2015-11-30 | 2016-04-06 | 东莞市港奇电子有限公司 | DC/DC converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8995128B2 (en) | Power conversion apparatus | |
| JP6678770B2 (en) | Power converter | |
| US20170040906A1 (en) | Power Conversion Unit and Power Conversion Device | |
| US10103521B2 (en) | Electrical power distribution plate comprising a protected distribution bar | |
| US11257616B2 (en) | Power conversion device and high-voltage noise filter | |
| CN103973132A (en) | Electric power conversion system for electric vehicle | |
| EP3001550B1 (en) | Power module for medium and high-voltage frequency converter and frequency converter comprising same | |
| CN205141993U (en) | DC/DC converter | |
| JP5382538B2 (en) | Connection box for photovoltaic system | |
| JP2015046952A (en) | Distribution board | |
| CN106026635A (en) | DC/DC converter | |
| CN208141928U (en) | Aluminum-housed resistor with temperature control | |
| CN203617913U (en) | Off-grid inverter bus bar component | |
| JP3172419U (en) | Connection box for photovoltaic system | |
| CN209104863U (en) | A kind of block terminal for high pressure lithium battery energy storage battery system | |
| JP5708298B2 (en) | Power converter | |
| CN205178897U (en) | Dc -to -ac converter and power mainboard thereof | |
| JP6308453B2 (en) | Power converter | |
| CN211127151U (en) | Dynamic compensation switch group | |
| CN212726828U (en) | Low-power compact H-bridge high-voltage frequency converter power unit | |
| CN218771752U (en) | Split type power device of data center power | |
| CN216905797U (en) | Modular DC-DC energy storage adapter | |
| CN220673637U (en) | Energy storage inverter and energy storage system | |
| CN205212700U (en) | Reduce hot hydraulic circuit | |
| CN213846000U (en) | Shock attenuation high-low pressure complete sets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |