CN106787681A - A kind of DC/DC converting means - Google Patents
A kind of DC/DC converting means Download PDFInfo
- Publication number
- CN106787681A CN106787681A CN201710004961.3A CN201710004961A CN106787681A CN 106787681 A CN106787681 A CN 106787681A CN 201710004961 A CN201710004961 A CN 201710004961A CN 106787681 A CN106787681 A CN 106787681A
- Authority
- CN
- China
- Prior art keywords
- cavity
- circuit module
- housing
- filter circuit
- division board
- 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
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
-
- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
Abstract
The invention discloses a kind of DC/DC converting means, it is applied in new-energy automobile, wherein, the top airtight connection of lid and housing, the bottom airtight connection of base plate and housing；The division board of metal material is provided with the housing between first cavity and the second cavity and between the second cavity and the 3rd cavity, through hole is provided with division board；First cavity is used to place input filter circuit module, second cavity is used to place primary transform circuit module, 3rd cavity is used to place output filter circuit module, and primary transform circuit module is electrically connected with input filter circuit module and output filter circuit module respectively by through hole.It can be seen that, due to being provided with the division board of metal material in housing, it is fitted close with lid and base plate and housing has been divided into three closed cavitys, therefore, the harassing and wrecking of DC/DC converting means conducted emission can effectively be suppressed, the Electro Magnetic Compatibility of entire automobile electric system is improved, and then improves security when people's drive routine new-energy automobile is gone on a journey.
Description
Technical field
It is to be related to a kind of DC/DC converting means in particular the present invention relates to technical field of new energy.
Background technology
In the last few years, especially application of the high voltage component on new-energy automobile be increasingly for various electric equipment products
It is many.High voltage component is input or output voltage in direct current 60V, the electric component of exchange more than 36V, DC/DC DC/DC conversions
Device is exactly one kind therein.
While DC/DC converting means brings convenience to new-energy automobile, a certain degree of conducted emission can be produced to harass.
Although conducted emission harassing and wrecking are safe for human body, if conducted emission harassing and wrecking can not effectively be suppressed, can be to new
The entire automobile electric system of energy automobile brings impact, even results in entire automobile electric system and is broken down in normally travel, gives people
Go off daily bring potential safety hazard.
Accordingly, it is desirable to provide a kind of device effectively to suppress the harassing and wrecking of DC/DC converting means conducted emission, vehicle is improved electric
The Electro Magnetic Compatibility of system, and then improve security when people's drive routine new-energy automobile is gone on a journey.
The content of the invention
In view of this, the invention provides a kind of DC/DC converting means, it is applied in new-energy automobile, it is characterised in that
Including housing, lid, base plate, input filter circuit module, primary transform circuit module and output filter circuit module；
Wherein, the top airtight connection of the lid and the housing, the bottom of the inner side of the base plate and the housing
Airtight connection；
The housing includes the first cavity, the second cavity and the 3rd cavity；
Set between first cavity and second cavity and between second cavity and the 3rd cavity
There is the division board of metal material, through hole is provided with the division board；
First cavity is used to place the input filter circuit module, and second cavity is used to place the main transformer
Circuit module is changed, the 3rd cavity is used to place the output filter circuit module, and the primary transform circuit module passes through institute
Through hole is stated to be electrically connected with the input filter circuit module and the output filter circuit module respectively.
Preferably, also including heat abstractor；
The heat abstractor is arranged at the outside of the base plate.
Preferably, also including radiator air passage cover, the radiator air passage cover and the housing airtight connection.
Preferably, the material of the housing is metal.
Preferably, the insulation clip for being in clamping connection cable is provided with the through hole.
Preferably, the thickness of the division board is 3mm.
Preferably, the space Set scale of first cavity, second cavity and the 3rd cavity is 1:2:
1。
Preferably, the material of the lid is metal.
Understood via above-mentioned technical scheme, compared with prior art, the invention discloses a kind of DC/DC converting means,
It is applied in new-energy automobile, including housing, lid, base plate, input filter circuit module, primary transform circuit module and output
Filter circuit module；Wherein, the top airtight connection of the lid and the housing, the inner side of the base plate and the housing
Bottom airtight connection；The housing includes the first cavity, the second cavity and the 3rd cavity；First cavity and described second
Division board is provided between cavity, division board is provided between second cavity and the 3rd cavity, on the division board
Through hole is provided with, the material of the division board is metal；First cavity is used to place the input filter circuit module, institute
State the second cavity is used to place the output filter circuit mould for placing the primary transform circuit module, the 3rd cavity
Block, the primary transform circuit module by the through hole respectively with the input filter circuit module and the output filtered electrical
Road module electrical connection.As can be seen that the division board due to being provided with metal material in housing, being fitted close with lid and base plate will
Housing has been divided into three closed cavitys, therefore, it can effectively suppress the harassing and wrecking of DC/DC converting means conducted emission, improves vehicle
The Electro Magnetic Compatibility of electrical system, and then improve security when people's drive routine new-energy automobile is gone on a journey.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of DC/DC converting means disclosed in the embodiment of the present invention；
Fig. 2 is the top view of DC/DC converting means disclosed in the embodiment of the present application；
Fig. 3 is the profile decomposition texture schematic diagram of DC/DC converting means disclosed in the present application；
Fig. 4 is the comparison diagram for harassing conducted emission test result before and after the scheme using the application.
Specific embodiment
Below 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
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment one
Fig. 1 is a kind of structural representation of DC/DC converting means disclosed in the embodiment of the present application, and Fig. 2 is the application
The top view of DC/DC converting means disclosed in embodiment.
Referring to Fig. 1, Fig. 2, a kind of DC/DC converting means disclosed in the present application is applied in new-energy automobile, including housing
102nd, lid 101, base plate 103, input filter circuit module, primary transform circuit module and output filter circuit module are (in figure
It is not shown)；
Wherein, the top airtight connection of the lid 101 and the housing 102, the inner side of the base plate 103 and the shell
The bottom airtight connection of body；
The housing includes the first cavity 11, the second cavity 12 and the 3rd cavity 13；
Between first cavity 11 and second cavity 12 and second cavity 12 and the 3rd cavity 13
Between be provided with the division board 14 of metal material, through hole (not shown) is provided with the division board 14；
First cavity 11 is used to place the input filter circuit module, and second cavity 12 is used to place described
Primary transform circuit module, the 3rd cavity 13 is used to place the output filter circuit module, the primary transform circuit module
Electrically connected with the input filter circuit module and the output filter circuit module respectively by the through hole.
In the embodiment of the present application, apply in new-energy automobile, changed the outfit because the existing DC/DC in new-energy automobile becomes
The operation that conducted emission harassing and wrecking have impact on entire automobile electric system is put, therefore, how conducted emission harassing and wrecking are suppressed just to turn into
The problem of technical staff's urgent need to resolve.
In the embodiment of the present application, for prior art produced problem, metal material will be used in DC/DC converting means
After division board divides housing 135 into three cavitys i.e. the first cavity 11, the second cavity 12, the 3rd cavity 13, blocking DC/DC can be imitated
Primary transform circuit high frequency and high power device electromagnetic radiation are coupled into the approach of input/output port in converting means.
Wherein, first cavity 11 is used to place the input filter circuit module, and second cavity 12 is used to put
The primary transform circuit module is put, the 3rd cavity 13 is used to place the output filter circuit module.
The effect of first cavity 11 is to place the input filter circuit module, and input filter circuit module is that high pressure is defeated
Enter end filter, isolation primary transform circuit module in space prevents the electricity of primary transform circuit module high frequency and amplifying power device
After magnetic radiation is coupled into the input port of input filter circuit module, conducted by being input into connection cables.
The effect of the second cavity 12 is to place primary transform circuit module, and primary transform circuit module is main translation circuit, space
Isolation input filter circuit module and output filter circuit module, make primary transform circuit module form a relatively closed metal
Cavity, prevents the electromagnetic radiation in the region to be coupled into the input of product, output port.
The effect of the 3rd cavity 13 is to place output filter circuit module, and output filter circuit module is low-voltage output filter
Ripple device, space isolation primary transform circuit module, prevents the electromagnetic radiation of primary transform circuit module high frequency and high power device from coupling
Enter the output port of output filter circuit module and gone out by exporting connecting line conducted emission.
Therefore, the DC/DC converting means in the embodiment of the present application is by input filter circuit module, output filter circuit mould
The treatment of block, can be greatly reduced the conducted emission directly conducted by electronic circuit and harass amplitude, further through in the present invention
It is disclosed that housing is isolated into three structures of cavity by main casing by metal division board, significantly weaken because of the big work(of internal high frequency
Rate device electromagnetic radiation is coupled into conducted emission amplitude caused by input/output port, it is possible to make the DC/ of vehicular high-power
DC product conducted emissions are effectively suppressed, the reliability of enhancing entire automobile electric system work.With this kind of internal circuit space
The high voltage component of layout, is applied on new-energy automobile, can preferably meet vehicle electromagnetic compatible environment and use.
Also, housing 102 itself also uses metal material.
Also, lid 101 is additionally provided with the present embodiment, lid 101 preferably uses metal material, further isolation conduction
Transmitting harassing and wrecking, it is also possible to which, using hardness and the glass steel material of long service life, the lid 101 is upper with the housing 102
Portion's airtight connection, therefore, serve dust-proof effect.
Also, the bottom airtight connection of the inner side of the base plate 103 and the housing, base plate 103 preferably uses metal material
Matter or glass steel material so that the first cavity, the second cavity, the 3rd cavity are in closed metal space, are reduced in vehicle fortune
The damage that the vibration brought to converting means in row is caused to internal components.
Preferably, the insulation clip for being in clamping connection cable is provided with the through hole.
When being contacted with through hole due to the connection cables in through hole, damage can be brought, therefore, will protection cable be set on through hole
With the insulation clip for being in clamping connection cable.
Preferably, the thickness of the division board is 3mm.
Inventor has found that the thickness of division board directly affects the effect of isolation conducted emission harassing and wrecking, therefore, in the application
The thickness for being preferable to provide division board is 3mm.
Preferably, the space Set scale of first cavity, second cavity and the 3rd cavity is 1:2:
1。
Inventor has found that the Set scale between cavity is larger to the influential effect of isolation conducted emission harassing and wrecking, if not
It is arranged to suitable ratio, then final effect can have a greatly reduced quality.Therefore, the application is preferably by first cavity, described
The space Set scale of the second cavity and the 3rd cavity is 1:2:1.
Understood via above-mentioned technical scheme, compared with prior art, the invention discloses a kind of DC/DC converting means,
It is applied in new-energy automobile, including housing, lid, base plate, input filter circuit module, primary transform circuit module and output
Filter circuit module；Wherein, the top airtight connection of the lid and the housing, the inner side of the base plate and the housing
Bottom airtight connection；The housing includes the first cavity, the second cavity and the 3rd cavity；First cavity and described second
Division board is provided between cavity, division board is provided between second cavity and the 3rd cavity, on the division board
Through hole is provided with, the material of the division board is metal；First cavity is used to place the input filter circuit module, institute
State the second cavity is used to place the output filter circuit mould for placing the primary transform circuit module, the 3rd cavity
Block, the primary transform circuit module by the through hole respectively with the input filter circuit module and the output filtered electrical
Road module electrical connection.As can be seen that the division board due to being provided with metal material in housing, closed three have been divided into by housing
Cavity, therefore, it can effectively suppress the harassing and wrecking of DC/DC converting means conducted emission, improve the Electro Magnetic Compatibility of entire automobile electric system,
And then improve security when people's drive routine new-energy automobile is gone on a journey.
Embodiment two
On the basis of above-described embodiment, the device in the application is also provided with heat abstractor 301.
Referring to Fig. 3, Fig. 3 is the profile decomposition texture schematic diagram of DC/DC converting means disclosed in the present application.
Wherein, the heat abstractor 301 is arranged at the outside of the base plate.
Including：Lid 101, housing 102, base plate 103, heat abstractor 301, DC input card lines button 302, DC inputs get rid of
The end of a thread 303, mounting bracket 304, signal control socket 305, DC output negative poles 306, DC output cathodes 307, radiator air passage cover
308。
Wherein, lid 101 is coordinated by base plate 103 with the sealing of housing 102, it is possible to ensure DC/DC converting means
Element and the external world are isolated, play isolation, seal, discharge water, dust-proof effect.
Heat abstractor 301 is engaged with housing 102, realizes heat transfer, plays a part of radiating so that heat passes through air channel
In wind take away, it is ensured that the operating temperature of product.
The Main Function of radiator air passage cover 308 is the temperature reduction by fin using outside high wind, whole so as to reach
The effect of system radiating.
In actually used, as shown in figure 4, Fig. 4 be using the application scheme before and after to conducted emission harassing and wrecking test knot
The comparison diagram of fruit.
, it is evident that the conducted emission amplitude of product is significantly exceeded before implementing, the conducted emission amplitude base of product after implementation
Originally limit value requirement is reached.Therefore, the present invention can effectively reduce conducted emission amplitude.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (8)
1. a kind of DC/DC converting means, is applied in new-energy automobile, it is characterised in that including housing, lid, base plate, input
Filter circuit module, primary transform circuit module and output filter circuit module；
Wherein, the top airtight connection of the lid and the housing, the inner side of the base plate is closed with the bottom of the housing
Connection；
The housing includes the first cavity, the second cavity and the 3rd cavity；
Gold is provided between first cavity and second cavity and between second cavity and the 3rd cavity
Belong to the division board of material, through hole is provided with the division board；
First cavity is used to place the input filter circuit module, and second cavity is used to place the primary transform electricity
Road module, the 3rd cavity is used to place the output filter circuit module, and the primary transform circuit module is by described logical
Hole electrically connects with the input filter circuit module and the output filter circuit module respectively.
2. device according to claim 1, it is characterised in that also including heat abstractor；
The heat abstractor is arranged at the outside of the base plate.
3. device according to claim 2, it is characterised in that also including radiator air passage cover, the radiator air passage cover
With the housing airtight connection.
4. the device according to claims 1 to 3 any one, it is characterised in that the material of the housing is metal.
5. the device according to claims 1 to 3 any one, it is characterised in that be provided with for clamping on the through hole
The insulation clip of connection cables.
6. the device according to claims 1 to 3 any one, it is characterised in that the thickness of the division board is 3mm.
7. the device according to claims 1 to 3 any one, it is characterised in that first cavity, second cavity
And the space Set scale of the 3rd cavity is 1:2:1.
8. device according to claim 2, it is characterised in that the material of the lid is metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004961.3A CN106787681A (en) | 2017-01-04 | 2017-01-04 | A kind of DC/DC converting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004961.3A CN106787681A (en) | 2017-01-04 | 2017-01-04 | A kind of DC/DC converting means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787681A true CN106787681A (en) | 2017-05-31 |
Family
ID=58950941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710004961.3A Pending CN106787681A (en) | 2017-01-04 | 2017-01-04 | A kind of DC/DC converting means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787681A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878442A (en) * | 2019-02-25 | 2019-06-14 | 重庆金康动力新能源有限公司 | Power supply box, Vehicular power system and vehicle |
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| US20050104792A1 (en) * | 2003-11-14 | 2005-05-19 | Mitsubishi Denki Kabushiki | High frequency package |
| CN201332355Y (en) * | 2008-12-29 | 2009-10-21 | 中国电子为华实业发展有限公司 | Switch power supply |
| CN201616762U (en) * | 2010-02-05 | 2010-10-27 | 航天长峰朝阳电源有限公司 | Low-voltage integrated electromagnetic-compatibility power supply |
| CN202353439U (en) * | 2011-11-24 | 2012-07-25 | 徐州英威腾电气设备有限公司 | Frequency converter and shell body thereof |
| CN203674784U (en) * | 2014-01-23 | 2014-06-25 | 山东科一力电气有限公司 | Mining flameproof and intrinsically safe direct current voltage stabilizing power supply |
| CN203967979U (en) * | 2014-06-27 | 2014-11-26 | 航天长峰朝阳电源有限公司 | Multifunction protection low ripple doubleway output electromagnetic compatibility power module |
| CN204156829U (en) * | 2014-10-23 | 2015-02-11 | 成都必控科技股份有限公司 | There is the filter of mesh shielding isolated chambers |
| CN204821194U (en) * | 2015-08-03 | 2015-12-02 | 北京天路时代电气设备有限责任公司 | Magnetic suspension system and suspension controller thereof |
| CN205141993U (en) * | 2015-11-30 | 2016-04-06 | 东莞市港奇电子有限公司 | DC/DC converter |
-
2017
- 2017-01-04 CN CN201710004961.3A patent/CN106787681A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0599700B1 (en) * | 1992-11-27 | 1996-02-07 | Schneider Electric Sa | Filter module for frequency converter |
| US20050104792A1 (en) * | 2003-11-14 | 2005-05-19 | Mitsubishi Denki Kabushiki | High frequency package |
| CN201332355Y (en) * | 2008-12-29 | 2009-10-21 | 中国电子为华实业发展有限公司 | Switch power supply |
| CN201616762U (en) * | 2010-02-05 | 2010-10-27 | 航天长峰朝阳电源有限公司 | Low-voltage integrated electromagnetic-compatibility power supply |
| CN202353439U (en) * | 2011-11-24 | 2012-07-25 | 徐州英威腾电气设备有限公司 | Frequency converter and shell body thereof |
| CN203674784U (en) * | 2014-01-23 | 2014-06-25 | 山东科一力电气有限公司 | Mining flameproof and intrinsically safe direct current voltage stabilizing power supply |
| CN203967979U (en) * | 2014-06-27 | 2014-11-26 | 航天长峰朝阳电源有限公司 | Multifunction protection low ripple doubleway output electromagnetic compatibility power module |
| CN204156829U (en) * | 2014-10-23 | 2015-02-11 | 成都必控科技股份有限公司 | There is the filter of mesh shielding isolated chambers |
| CN204821194U (en) * | 2015-08-03 | 2015-12-02 | 北京天路时代电气设备有限责任公司 | Magnetic suspension system and suspension controller thereof |
| CN205141993U (en) * | 2015-11-30 | 2016-04-06 | 东莞市港奇电子有限公司 | DC/DC converter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878442A (en) * | 2019-02-25 | 2019-06-14 | 重庆金康动力新能源有限公司 | Power supply box, Vehicular power system and vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170531 Assignee: Chongqing Changan New Energy Automotive Technology Co., Ltd. Assignor: Chongqing Changan Automobile Co., Ltd.|Chongqing Chang'an New Energy Automobile Co., Ltd. Contract record no.: 2018500000022 Denomination of invention: A DC/DC Converter License type: Exclusive License Record date: 20181130 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190115 Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Applicant after: Chongqing Changan New Energy Automotive Technology Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Applicant before: Chongqing Changan Automobile Co., Ltd. Applicant before: Chongqing Chang'an New Energy Automobile Co., Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |