CN204578357U - Battery vehicle DC/DC transducer - Google Patents
Battery vehicle DC/DC transducer Download PDFInfo
- Publication number
- CN204578357U CN204578357U CN201520169884.3U CN201520169884U CN204578357U CN 204578357 U CN204578357 U CN 204578357U CN 201520169884 U CN201520169884 U CN 201520169884U CN 204578357 U CN204578357 U CN 204578357U
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- Prior art keywords
- aluminium base
- insulating sleeve
- screw
- support column
- transducer
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Abstract
The utility model relates to the DC/DC transducer that a kind of battery vehicle uses, it comprises housing and plural aluminium base, aluminium base is fixed on the inwall of shell by screw, and shell comprises base plate and the case of cover cap on base plate, and shell is provided with output port and input port; Separated by the support column be made up of electric conducting material between adjacent two aluminium bases, and the circuit on these two aluminium bases is electrically connected by support column; Insulating sleeve, this insulating sleeve is placed on outside screw, screw makes support column be placed on outside insulating sleeve through the inner via hole be formed on support column, the medial surface of inner via hole is resisted against by insulating sleeve on screw at the most, and namely making due to the interval action of insulating sleeve cannot by contacting and conducting between support column with screw.Between the different support columns of this DC/DC transducer can not by screw and aluminum base layer mutual conduction, thus effectively ensure the normal work of whole DC/DC transducer.
Description
Technical field
The utility model relates to battery vehicle field, especially relates to the DC/DC transducer that battery vehicle uses.
Background technology
The DC/DC transducer that battery vehicle uses a kind ofly changes the electric pressure converter effectively exporting fixed voltage after input voltage, is usually divided into step-up DC/DC transducer, voltage-dropping type DC/DC transducer and buck-boost type DC/DC transducer.DC/DC transducer generally includes shell, is installed on the substrate on outer casing inner wall and is arranged in control chip, Inductive component, power device and the capacitor on this substrate.
In order to reduce the area occupied of DC/DC transducer, normally electronic device is arranged in multiple with on stacked system assembling substrate together, usually between two adjacent substrate, adopt copper post to be while support column support separates, the electrical connection between two substrate circuits is realized by copper post, in order to the heat that each electronic device produces can being distributed fast, usual employing aluminium base, but in the assembling and use procedure of DC/DC transducer, easily occur copper post occur skew and with the screws contact for fixing polylith substrate, occur the conducting of different Cu post by the aluminum base layer of screw and aluminium base, the normal work of whole DC/DC is had an impact.
Summary of the invention
Main purpose of the present utility model is to provide a kind of battery vehicle DC/DC transducer.
In order to realize above-mentioned main purpose, the battery vehicle DC/DC transducer that the utility model provides comprises housing and plural aluminium base, aluminium base is fixed on the inwall of shell by screw, and shell comprises base plate and the case of cover cap on base plate, and shell is provided with output port and input port; Separated by the support column be made up of electric conducting material between adjacent two aluminium bases, and the circuit on these two aluminium bases is electrically connected by support column; Insulating sleeve, this insulating sleeve is placed on outside screw, screw makes support column be placed on outside insulating sleeve through the inner via hole be formed on support column, the medial surface of inner via hole is resisted against by insulating sleeve on screw at the most, and namely making due to the interval action of insulating sleeve cannot by contacting and conducting between support column with screw.
From above scheme, overlap have an insulating sleeve due to screw and between supporting, effectively can to prevent between different support column the mutual conduction by screw and aluminum base layer, effectively ensure the normal work of whole DC/DC transducer.
Concrete scheme is insulating sleeve is T-type structure, and the lower surface of the dilation of this T-type structure is resisted against on the upper surface of last layer aluminium base, and the end face away from one end of dilation is resisted against on the upper surface of lower one deck aluminium base.
Preferred scheme is that aluminium base is furnished with power device; The back side of more than one aluminium base and the inwall of shell are fixed on this inwall closely; On the aluminium base that the inwall that power device is arranged in the more than one back side and shell is close to.
From above scheme, most of heat that can effectively make power device produce, by aluminium base, shell and be distributed in the air outside shell, improves the heat dispersion of whole DC/DC transducer.
A preferred scheme is that the aluminium base being furnished with power device is close on the bottom surface of the chamber of case.
Preferred scheme is that power device is all arranged in a back side and is close on the aluminium base on the bottom surface of the inner chamber of case again.
Further scheme be case outer surface on be formed with multiple fin.
Another preferred scheme is be furnished with between the aluminium base of power device and inwall to be filled with one deck thermal conductive silicon glue-line.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model first embodiment;
Fig. 2 is the STRUCTURE DECOMPOSITION figure of the utility model first embodiment;
Fig. 3 is the stereogram of Inductive component and heat-conducting silica gel sheet in the utility model first embodiment;
Fig. 4 omits the Inductive component of embedding blob of viscose and the structure chart of heat-conducting silica gel sheet in the utility model first embodiment;
Fig. 5 is the relative position schematic diagram of Inductive component in the utility model first embodiment, heat-conducting silica gel sheet and the first aluminium base and other electronic devices;
Fig. 6 is the relative position schematic diagram of power device and the second aluminium base in the utility model first embodiment;
Fig. 7 is the relative position relation schematic diagram of the second aluminium base and case in the utility model first embodiment;
Fig. 8 is the relative position schematic diagram of the first aluminium base and the second aluminium base in the utility model first embodiment;
Fig. 9 be in the utility model first embodiment the first aluminium base and the second aluminium base be fixedly connected with schematic diagram.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
The utility model mainly improves the bindiny mechanism in the DC/DC transducer of battery vehicle use between different aluminum substrate, prevent from different substrate realizes conducting by bindiny mechanism between circuit, have an impact to the normal work of DC/DC transducer, other part-structures of DC/DC transducer design according to existing product.
First embodiment
See Fig. 1, by base plate 12 and cover cap, the case 11 on base plate 12 is formed the shell of DC/DC transducer 1, adopt silica gel ring to seal between case 11 and base plate 12 thus form an airtight chamber, can waterproof effectively, case 11 and base plate 12 all adopt aluminum casting to form.Case 11 outer surface is formed with polylith fin 111, and one end of case 11 is provided with output port 13 and input port 14.
See Fig. 2, by on the inwall that case 11 and base plate 12 form the shell of DC/DC transducer 1, first aluminium base 15 and the second aluminium base 16 is installed, first aluminium base 15 and the second aluminium base 16 are arranged at a distance of a determining deviation Horizon is capable, the first aluminium base 15 are furnished with Inductive component 18 and electric capacity 193.
See Fig. 3 and Fig. 4, Inductive component 18 is made up of inductive rack, embedding blob of viscose and winding 185, inductive rack is made up of housing 181, pillar 182 and pin 183, one end of pillar 182 is fixedly connected with housing 181, winding 185 is electrically connected with pin 183, winding 185 is placed in the inner chamber of housing 181, is filled with the casting glue injected under vacuum conditions and forms embedding blob of viscose, make winding 185 and embedding blob of viscose be full of the inner chamber of housing 181 in the inner chamber of housing 181.In the process of assembling DC/DC transducer 1, a heat-conducting silica gel sheet 184 is accompanied between the embedding blob of viscose and base plate 12 of Inductive component 18, thus the heat produced in the course of the work by winding 185 is through embedding blob of viscose and heat-conducting silica gel sheet 184, be distributed to from base plate 12 in the air shell, improve the heat dispersion of whole Inductive component.
See Fig. 5, when Inductive component 18 is welded on the first aluminium base 15, Stilt layer structure is formed between inductive rack and the first aluminium base 15, the free end face of pillar 182 is resisted against on the first aluminium base 15, thus arrange respective electronic device 192 in the space that can be supported by pillar 182 in the below of housing 181, effectively reduce Inductive component 18 to the real estate of the first aluminium base, more electronic device can be arranged in limited substrate area, and the impact that minimizing Inductive component is arranged other electronic devices and substrate circuit, and the heat that winding 185 produces is passed in air by the below of housing 181, instead of be directly passed to substrate, improve the heat dispersion of Inductive component 18.In DC/DC transducer 1 course of work, the heat that winding 185 produces passes to heat-conducting silica gel sheet 184 until dispel the heat to air from base plate 12 via embedding blob of viscose 186, improves the heat dispersion of whole DC/DC transducer.
See Fig. 6, all power devices 191 such as the power MOSFET in DC/DC transducer 1 are all arranged on the second aluminium base 16, and the lower surface of power device 191 is close to the upper surface of the second aluminium base 16.
See Fig. 7, the bottom surface of the chamber of case 11 is close at the back side of the second aluminium base 16, thus a large amount of heat that power device 191 can be produced passes to case 11 through the second aluminium base 16, and dispel the heat in air through fin 111, effectively most of heat that power device 191 produces promptly is passed in the air outside shell, improves the heat dispersion of whole DC/DC transducer 1.
See Fig. 8, spaced apart by the support column 173 be made up of copper product between second aluminium base 16 and the first aluminium base 15, and the circuit of the two realizes electrical connection by support column 173, and by screw 171, the two is fixed on the inwall of case 11, there is an insulating sleeve 172 at screw 171 overcoat.
See Fig. 9, insulating sleeve 172 is T font structure, and it is formed with counter sink, pad 174 is placed in counterbore, the lower end of insulating sleeve 172 is successively through the fixing hole on formation first aluminium base 15, and the endoporus of support column 173, until its lower surface is resisted against on the upper surface of the second aluminium base 16.During assembling, the lower surface of the bulge of insulating sleeve 172 will be resisted against on the periphery surface of the fixing hole of the first aluminium base 15, screw 171 successively through inner via hole, the inner via hole of insulating sleeve 172, the fixing hole be formed on the second aluminium base 16 of pad 174, until with the screw threaded engagement be formed on case 11 and the first aluminium base 15 and the second aluminium base 16 are fixed on the inwall of case 11.Can effectively prevent support column 173 from skew occurring in the assembling and use procedure of DC/DC transducer 1 and encounters on screw 171, by the aluminum base layer conducting of two aluminium bases, thus by multiple support column conducting, the normal work of whole DC/DC transducer 1 is impacted.
Second embodiment
As the explanation to the utility model second embodiment, only the difference with above-mentioned first embodiment is described below.
Fill one deck thermal conductive silicon glue-line in gap between the surface of the inwall of the second aluminium base and case, to improve the speed of the second aluminium base to case transferring heat, improve the heat dispersion of whole DC/DC transducer.
3rd embodiment
As the explanation to the utility model the 3rd embodiment, only the difference with above-mentioned first embodiment is described below.
The pillar of Inductive component is the sleeve pipe be placed on outside pin, and one end of sleeve pipe is fixedly connected with housing, and the free end of pin stretches out outside the free end of sleeve pipe.Effectively can reduce the real estate of Inductive component to substrate.
In the various embodiments described above, the quantity of the pillar of inductive rack can be one or more, only needs housings support to be formed Stilt layer structure away from substrate, and the quantity of pillar is preferably 4, and these 4 pillars are preferably distributed on the periphery of housing equably.In addition, the pin by inductive rack is welded on substrate, makes housing and forms Stilt layer structure between pin and substrate, and without the need to pillar.
Claims (8)
1. battery vehicle DC/DC transducer, comprise shell and plural aluminium base, described aluminium base is fixed on the inwall of described shell by screw, and described shell comprises base plate and the case of cover cap on described base plate, and described shell is provided with output port and input port;
Separated by the support column be made up of electric conducting material between adjacent two described aluminium bases, and the circuit on these two described aluminium bases is electrically connected by described support column;
It is characterized in that:
Insulating sleeve, described insulating sleeve is placed on outside described screw, described screw makes described support column be placed on outside described insulating sleeve through the inner via hole be formed on described support column, and the medial surface of described inner via hole is resisted against on described screw by described insulating sleeve at the most.
2. battery vehicle DC/DC transducer according to claim 1, is characterized in that:
Described insulating sleeve is T-type structure, and the lower surface of the dilation of described T-type structure is resisted against on the upper surface of last layer aluminium base, and described T-type structure is resisted against on the upper surface of lower one deck aluminium base away from the end face of one end of described dilation.
3. battery vehicle DC/DC transducer according to claim 1 or 2, is characterized in that:
Described aluminium base is furnished with power device;
The back side of more than one described aluminium base and described inwall are fixed on described inwall closely;
Described power device is arranged on the aluminium base that the more than one back side and described inwall be close to.
4. battery vehicle DC/DC transducer according to claim 3, is characterized in that:
The aluminium base being furnished with described power device is close on the bottom surface of the chamber of described case.
5. battery vehicle DC/DC transducer according to claim 4, is characterized in that:
Described power device is all arranged in a back side and is close on the aluminium base on described bottom surface.
6. battery vehicle DC/DC transducer according to claim 5, is characterized in that:
The outer surface of described case is formed with multiple fin.
7. battery vehicle DC/DC transducer according to claim 3, is characterized in that:
Be furnished with between the aluminium base of power device and described inwall and be filled with one deck thermal conductive silicon glue-line.
8. battery vehicle DC/DC transducer according to claim 7, is characterized in that:
The outer surface of described case is formed with multiple fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169884.3U CN204578357U (en) | 2015-03-24 | 2015-03-24 | Battery vehicle DC/DC transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520169884.3U CN204578357U (en) | 2015-03-24 | 2015-03-24 | Battery vehicle DC/DC transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204578357U true CN204578357U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520169884.3U Active CN204578357U (en) | 2015-03-24 | 2015-03-24 | Battery vehicle DC/DC transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204578357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549865A (en) * | 2019-08-16 | 2019-12-10 | 北京理工华创电动车技术有限公司 | Electric automobile, electric automobile DCDC converter and be used for MOSFET power switch subassembly on it |
| CN114447859A (en) * | 2022-03-25 | 2022-05-06 | 广东思科通用电力科技有限公司 | Anti-collision type equipotential outer PE bus duct and using method thereof |
-
2015
- 2015-03-24 CN CN201520169884.3U patent/CN204578357U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549865A (en) * | 2019-08-16 | 2019-12-10 | 北京理工华创电动车技术有限公司 | Electric automobile, electric automobile DCDC converter and be used for MOSFET power switch subassembly on it |
| CN114447859A (en) * | 2022-03-25 | 2022-05-06 | 广东思科通用电力科技有限公司 | Anti-collision type equipotential outer PE bus duct and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519085, No. six, No. 7, Tang Wan Town, Xiangzhou District, Guangdong, Zhuhai Patentee after: ZHUHAI ENPOWER ELECTRICAL CO., LTD. Address before: 519085, No. six, No. 7, Tang Wan Town, Xiangzhou District, Guangdong, Zhuhai Patentee before: Zhuhai Inpowercar Electric Co., Ltd. |