CN207265867U - A kind of vehicle-mounted decompression DC/DC power supplys - Google Patents
A kind of vehicle-mounted decompression DC/DC power supplys Download PDFInfo
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- CN207265867U CN207265867U CN201721195405.0U CN201721195405U CN207265867U CN 207265867 U CN207265867 U CN 207265867U CN 201721195405 U CN201721195405 U CN 201721195405U CN 207265867 U CN207265867 U CN 207265867U
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- conversion modules
- control protection
- power supply
- electric circuit
- input
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Abstract
The utility model provides a kind of vehicle-mounted decompression DC/DC power supplys; including babinet, radiator, input filter module, DC/DC conversion modules, out connector, accessory power supply and control protection electric circuit; input filter module input terminal connects power supply, its output terminal connects the input terminal of DC/DC conversion modules and the input terminal of accessory power supply respectively；DC/DC conversion modules output terminal connects out connector；Control protection electric circuit input terminal connects auxiliary power output end and DC/DC conversion module output terminals, its output terminal connection DC/DC conversion module input terminals；Input filter module and control protection electric circuit interval are fixed on left plate, DC/DC conversion modules fix on a heat sink, out connector be fixed on rear panel.The utility model stability and reliability are high, and heat dissipation and anti-dust performance are good and easily controllable, have good application prospect.
Description
Technical field
It the utility model is related to field of switch power, and in particular to a kind of vehicle-mounted decompression DC/DC power supplys.
Background technology
In recent years, China continues to increase the support dynamics to new-energy automobile, puts into effect in succession《On carrying out energy saving and new energy
The notice of source automobile Demonstration And Extension pilot work》With《Plan is revitalized in automobile industry adjustment》Etc. relevant policies, with pure power and mix
Closing the new-energy automobile that power is representative, growth potential starts to discharge in the market.New energy charging technique is as the new energy of promotion
The necessary factor of source vehicle industrialization process, also enters fast-developing track.But currently meet in-car low-voltage electronic equipment
The vehicle power supply of power reguirements and low tension battery charging requirement, can't be fully met at stability, heat dissipation, dust-proof aspect will
Ask.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of vehicle-mounted decompression DC/DC power supplys, the electricity
Source stability and reliability are high, and heat dissipation and anti-dust performance are good and easily controllable, have good application prospect.
To achieve the above object, the utility model provides a kind of vehicle-mounted decompression DC/DC power supplys, including the case being made of side plate
Body 11 and radiator 7, the DC/ of the use BUCK current feed full-bridge topologies of input filter module 1 inside babinet 11
DC conversion modules 2, out connector 5, accessory power supply 4 and control protection electric circuit 3,1 input terminal of the input filter module connection
High-voltage DC power supply, its output terminal connect the input terminal of DC/DC conversion modules 2 and the input terminal of accessory power supply 4 respectively；It is described
2 output terminal of DC/DC conversion modules connects out connector 5；The input terminal connection accessory power supply 4 of the control protection electric circuit 3
The output terminal of output terminal and DC/DC conversion modules 2, the input terminal of its output terminal connection DC/DC conversion modules 2；The input
Filter module 1 and control protection electric circuit 3 interval be fixed on left plate 6, DC/DC conversion modules are fixed on radiator 7, are exported
Connector is fixed on rear panel 8.
As further improvement of the utility model：
The control protection electric circuit 3 protects circuit for Current Voltage double -loop control.
From above technical scheme, the utility model provides a kind of vehicle-mounted decompression DC/DC power supplys, the power source internal
DC/DC conversion modules use BUCK current feeds full-bridge topology and Current Voltage Double-loop Control Technology, and power supply is easily controllable and steady
Qualitative and reliability is high；Input filter module and control protection electric circuit interval are fixed on left plate, DC/DC conversion modules are fixed
On a heat sink, out connector is fixed on rear panel, and heat dissipation wind channel and each module are completely isolated, and radiating dustproof performance is good.
Brief description of the drawings
Fig. 1 is the functional block diagram of the utility model.
Fig. 2 is the structure diagram of the utility model.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, the vehicle-mounted decompression DC/DC power supplys of one kind provided by the utility model, including including babinet 11, heat dissipation
Device 7, input filter module 1, DC/DC conversion modules 2, out connector 5, accessory power supply 4 and control protection electric circuit 3, input filter
1 input terminal of ripple module connects high-voltage DC power supply, its output terminal connects the input terminal and auxiliary of DC/DC conversion modules 2 respectively
The input terminal of power supply 4, input filter module 1 are filtered input voltage, reduce ripple, reduce interference, ensure input power
It is steady；2 output terminal of DC/DC conversion modules connects out connector 5；3 input terminal of control protection electric circuit connection accessory power supply 4 is defeated
2 output terminal of outlet and DC/DC conversion modules, 2 input terminal of its output terminal connection DC/DC conversion modules.DC/DC conversion modules 2
Using the full-bridge topologies of BUCK current feeds, and use bootstrap type full bridge driving circuit, strong shock resistance, it can be ensured that
System reliability and stability, main circuit high reliability and inversion high efficiency；Wide input voltage range, output current ripple are small.
Auxiliary power module 4 protects circuit 3 to power in order to control, and control protection electric circuit 3 gathers electricity from the output terminal of DC/DC conversion modules 2
Stream and voltage signal, if curtage signal exceeds certain threshold value, the closing of drive control DC/DC conversion modules 2, reaches
To overcurrent and over-voltage protecting function, the protection to power supply is realized.
As shown in Fig. 2, input filter module 1 and the interval of control protection electric circuit 3 are fixed on left plate 6, DC/DC becomes mold changing
Block 2 is fixed on radiator 7, and out connector 5 is fixed on rear panel 8, and each module and heat dissipation wind channel 9 are completely isolated, are beneficial to
Heat dissipation, and good dust-proof effect can be reached.In terms of electromagnetic compatibility, the position of each module setting, can avoid current loop
The stronger magnetic field field produced, by shielding, filters, isolation, and transient state suppresses and the rationally measure such as ground connection ensures power work
It is safe and stable reliable.
In terms of reliability, control protection electric circuit 3 and extraneous input and output, all in line with principle nearby, if input
With exporting every farther out, I/O ports are preferably provided with photoelectric coupling isolation circuit；Control protection electric circuit plate is placed on from power device most
Remote position, and driving circuits plate can also cover ground using large area, to improve the reliability of control circuit.
In order to facilitate use, power input interface is reliable, easy to the custom plug-in of plug using contact, and output interface uses
The copper bar way of output, meets the power reguirements of low-voltage, high-current.
In order to ensure safe to use, power output end is additionally provided with zero loss reverse-connection preventing circuit.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
New scope is defined, and on the premise of the spirit of the design of the utility model is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made, should all fall into the protection that the utility model claims book determines
In the range of.
Claims (2)
- A kind of 1. vehicle-mounted decompression DC/DC power supplys, it is characterised in that：Including the babinet being made of side plate（11）And installed in babinet （11）Internal radiator（7）, input filter module（1）, using the DC/DC conversion modules of BUCK current feed full-bridge topologies （2）, out connector（5）, accessory power supply（4）And control protection electric circuit（3）, the input filter module（1）Input terminal connects High-voltage DC power supply, its output terminal connect DC/DC conversion modules respectively（2）Input terminal and accessory power supply（4）Input terminal； The DC/DC conversion modules（2）Output terminal connects out connector（5）；The control protection electric circuit（3）Input terminal connection auxiliary Power supply（4）Output terminal and DC/DC conversion modules（2）Output terminal, its output terminal connection DC/DC conversion modules（2）Input terminal；Institute State input filter module（1）And control protection electric circuit（3）Interval is fixed on left plate（6）Upper, DC/DC conversion modules are fixed on scattered Hot device（7）Upper, out connector is fixed on rear panel（8）.
- 2. vehicle-mounted decompression DC/DC power supplys according to claim 1, it is characterised in that：The control protection electric circuit（3）For electricity Galvanic electricity pressure double -loop control protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195405.0U CN207265867U (en) | 2017-09-18 | 2017-09-18 | A kind of vehicle-mounted decompression DC/DC power supplys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195405.0U CN207265867U (en) | 2017-09-18 | 2017-09-18 | A kind of vehicle-mounted decompression DC/DC power supplys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265867U true CN207265867U (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721195405.0U Active CN207265867U (en) | 2017-09-18 | 2017-09-18 | A kind of vehicle-mounted decompression DC/DC power supplys |
Country Status (1)
| Country | Link |
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| CN (1) | CN207265867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612310A (en) * | 2017-09-18 | 2018-01-19 | 合肥华耀电子工业有限公司 | A kind of vehicle-mounted decompression DC/DC power supplys |
-
2017
- 2017-09-18 CN CN201721195405.0U patent/CN207265867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612310A (en) * | 2017-09-18 | 2018-01-19 | 合肥华耀电子工业有限公司 | A kind of vehicle-mounted decompression DC/DC power supplys |
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