CN109936030A - Electric pressure converter and its assemble method - Google Patents
Electric pressure converter and its assemble method Download PDFInfo
- Publication number
- CN109936030A CN109936030A CN201711373827.7A CN201711373827A CN109936030A CN 109936030 A CN109936030 A CN 109936030A CN 201711373827 A CN201711373827 A CN 201711373827A CN 109936030 A CN109936030 A CN 109936030A
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- China
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- printed circuit
- electric power
- power pin
- pressure converter
- board assembly
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Abstract
The invention proposes a kind of electric pressure converters, including printed circuit-board assembly (2) and connector modules (3).Input voltage is converted into scheduled output voltage by printed circuit-board assembly (2), and input voltage is introduced into the printed circuit-board assembly (2) by connector modules (3).The connector modules (3) have electric power pin (4), the electric power pin (4) is electrically connected between connector modules (3) and printed circuit-board assembly (2), and the electric power pin (4) is directly welded in printed circuit-board assembly (2).In addition, the invention also provides the assemble methods of the electric pressure converter.
Description
Technical field
The present invention relates to electric pressure converter and its assemble methods.
Background technique
Electric pressure converter is widely applied in multiple fields.For example, usually requiring peace in double power grid automotive space frames
Direct current 48V- direct current 12V electric pressure converter is filled, for controlling the energy exchange between standard 12V power grid and 48V power grid.
For traditional electric pressure converter, electrically connected between power connector block and printed circuit-board assembly passes through
Electric power pin and connection bus are realized, wherein in order to realize such electrical connection, need to be arranged complicated lead frame, screw,
Nut structure.There are some problems for such connection structure, if number of components is more, occupy converter space, and structure is complicated, and
Cause difficult to install, packaging efficiency is low etc..
Summary of the invention
Currently invention addresses being mentioned above, a kind of novel electric pressure converter is proposed, connection is used
Novel connection type between device module and printed circuit-board assembly, and abandoned complexity, be difficult to connection bus, the spiral shell installed
Nail, nut structure.The structure can not only reduce the number of fixation member (including connection bus and corresponding screw, nut)
Amount, can also simplify assembling steps.
According to an aspect of the present invention, a kind of electric pressure converter is proposed, comprising:
Input voltage is converted into scheduled output voltage by printed circuit-board assembly；
Input voltage is introduced into the printed circuit-board assembly and connect from printed circuit-board assembly by connector modules
Output voltage is received, wherein the connector modules have electric power pin, the electric power pin is connected to connector modules and printing
Between circuit board assemblies, and wherein the electric power pin is directly welded in printed circuit-board assembly.
Optionally, the electric power pin is by selective wave-soldering together with printed circuit board component welding.
Optionally, the electric power pin is integrated with connector modules by being molded.
Optionally, the electric pressure converter does not have the connection for printed circuit-board assembly to be connect with connector modules
Bus.
Optionally, the electric power pin includes input pin, output connecting pin and ground connection pin.
Optionally, the electric power pin is plate structure.
Optionally, the electric power pin includes base portion and multiple column structures from base portion extension, and the electric power pin exists
The end of the separate base portion of column structure and printed circuit board component welding.
Optionally, the electric power pin includes six column structures.
Optionally, the electric pressure converter is direct current-direct current voltage converter.
Optionally, the electric pressure converter is direct current 48V- direct current 12V electric pressure converter.
Optionally, the electric pressure converter also has shell, and connector modules are fixed to shell by least one fastener
Body.
Optionally, sealing ring is arranged between shell and connector modules.
According to another aspect of the invention, it is proposed that a kind of method for assembling above-mentioned electric pressure converter, the method packet
Include step:
Sealing ring is assembled into connector modules；
Connector modules are assembled into shell, so that sealing ring is between connector modules and shell；
At least part of opening for receiving electric power pin is formed on printed circuit-board assembly；
Printed circuit-board assembly opening by electric power pin together with printed circuit board component welding.
More description in detail is carried out to most highly preferred embodiment of the invention is implemented below in conjunction with attached drawing, so as to can be easily
Understand the features and advantages of the present invention.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, hereinafter by the attached drawing to the embodiment of the present invention into
Row is simple to be introduced.Wherein, attached drawing is used only for showing some embodiments of the present invention, rather than whole embodiments of the invention are limited
It is formed on this.
Fig. 1 illustrates the cross-sectional view of electric pressure converter proposed by the invention；
Fig. 2-4 respectively shows each step for assembling electric pressure converter proposed by the invention；
Fig. 5 A illustrates the electric power pin of electric pressure converter proposed by the invention；
Fig. 5 B illustrates electric power pin and the welding of printed circuit-board assembly of electric pressure converter proposed by the invention
Journey schematic diagram.
Specific embodiment
In order to enable the purposes, technical schemes and advantages of technical solution of the present invention are clearer, below in conjunction with this
The technical solution of the embodiment of the present invention is clearly and completely described in the attached drawing of invention specific embodiment.It is identical in attached drawing
Appended drawing reference represents identical component.It should be noted that described embodiment is a part of the embodiments of the present invention, without
It is whole embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art are being not necessarily to creative work
Under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.
Electric pressure converter described herein includes but is not limited to that (such as direct current 48V- is straight for direct current-direct current voltage converter
Flow 12V electric pressure converter), DC-AC voltage converter, AC-DC electric pressure converter etc..The electric pressure converter will be defeated
Enter voltage to be converted, and effectively exports scheduled voltage.
Fig. 1 illustrates the cross-sectional view of electric pressure converter proposed by the invention, which includes connector modules 3
With printed circuit-board assembly 2 (or being PCBA).
Wherein, the printed circuit-board assembly 2 can receive input voltage and input voltage is converted into scheduled output
Voltage, such as direct current 48V voltage is converted into direct current 12V voltage.For this purpose, printed circuit-board assembly 2 may include voltage conversion electricity
Road, input voltage is converted through the voltage conversion circuit and the output voltage that is met the requirements.
As shown in Figure 1, connector modules 3 have electric power pin 4, the electric power pin 4 is preferably by conductive metallic material system
At.With connector modules 3 one can be made by molding in the electric power pin 4.Specifically, electric power pin can be initially formed
4, molding is then carried out to connector modules 3 by over-mold process and electric power pin 4 and connector modules 3 are molded in one
It rises.However, electric power pin 4 can also be respectively formed with connector modules 3 and link together by other means.
The electric power pin 4 includes input pin 6, output connecting pin 7 and ground connection pin 8.Wherein, input pin 6 is used to incite somebody to action
Input voltage is fed to printed circuit-board assembly 2 from connector modules 3, and output connecting pin 7 comes from printed circuit board group for receiving
The output voltage of part 2 is simultaneously fed to connector modules 3, and ground connection pin 8 is for printed circuit-board assembly 2 to be grounded.
Electric power pin 4 is preferably plate structure.It is highly preferred that as shown, electric power pin 4 includes base portion 12 and from base portion
The multiple column structures 13 extended, as shown, each electric power pin can have 6 column structures 13.Multiple column structures 13
Positioned at electric power pin in the section close to printed circuit-board assembly 2, in this way, electric power pin by multiple column structures 13 with
Printed circuit-board assembly 2 connects.Meanwhile electric power pin 4 is connect by base portion 12 with connector modules 3.
Preferably, end and printed circuit-board assembly 2 of the electric power pin 4 in the separate base portion 12 of column structure 13
It is welded directly together.It is highly preferred that the electric power pin 4 is direct by selective wave-soldering and printed circuit-board assembly 2
Connection.
For the ease of welding, can the end corresponding to electric power pin of printed circuit-board assembly 2 corresponding position it is pre-
Reserve opening 9.For the electric power pin 4 with base portion 12 and multiple column structures 13, printed circuit-board assembly 2 can have multiple
Round or rectangular opening, with the end of multiple column structures 13 for receiving electric power pin 4.It is inserted by electric power pin 4
It can be welded after being open accordingly in 9 in printed circuit-board assembly 2.
Wherein, in the welding process, the solder (such as terne metal) of fusing through electrodynamic pump or electromagnetic pump jet flow at
The solder wave of design requirement, or formed by injecting nitrogen to solder pot, pass through the printed board for being pre-loaded with component
Solder wave realizes component welding end or pin and the room machine of printed board pad and the solder of electrical connection.Wave-soldering stream
Journey can include: electric power pin 4 is inserted into printed circuit-board assembly 2 and is open in 9 accordingly；Pre-coated soldering flux；Preheat (its temperature
Such as it is but not limited to 90-100 DEG C)；It carries out wave-soldering (its welding temperature is for example but not limited to 220-240 DEG C)；It is cooling；It cuts
Except excess portion；It checks.Electric power pin 4 and printed circuit-board assembly 2 are welded by selective wave-soldering can guarantee it is good
Good precision and satisfactory durability.
As described above, for each electric power pin 4, multiple column structures 13 are preferably included.The structure is more advantageous to
Welding between electric power pin 4 and printed circuit-board assembly 2.Specifically, if electric power pin 4 does not have as shown in Figure 5A
Multiple column structures, but be whole plate structure, then the join domain between electric power pin 4 and printed circuit board is strip
The large area of shape, since area is larger, heat is easy to dissipate, it is difficult to reach the preferable temperature of selective wave-soldering, weld
Low efficiency and the guarantee for being unfavorable for welding quality.And by being arranged to include multiple column structures to each electric power pin 4, only
It needs to reserve the smaller hole mouth for receiving column structure in the corresponding position of printed circuit-board assembly 2, that is, printed circuit board
Component 2 and the welding region of electric power pin 4 are smaller, so that heat is difficult to dissipate, are conducive to the progress of selective arc welding.
It should be noted that input 6 pins, output connecting pin 7 and ground connection pin 8 can have can also not have it is identical
Shape.
By mode as above, electric pressure converter proposed by the present invention does not have for by printed circuit-board assembly 2 and even
The connection bus of the connection of device module 3, and the respective screws for being fixedly connected with bus, nut structure are connect, thus the company of realizing
It connects and is simply and effectively connected between device module 3 and printed circuit-board assembly 2.
As shown in figs. 1 and 3, electric pressure converter of the present invention also has shell 1, and connector modules 3 pass through at least one
A fastener 11 is fixed to shell 1.Preferably, connector modules 3 are fixed to shell 1 by four screws.
As also shown in fig. 2, electric pressure converter of the present invention also has sealing ring 5, such as, but not limited to O-ring.Even
Connecing device module 3 optionally has the mounting groove for accommodating sealing ring 5.The sealing ring is arranged in the mounting groove of connector modules 3,
And be between shell 1 and connector modules 3, to be sealed.
For electric pressure converter mentioned above, assembling can easily be done, assemble method includes following step
Suddenly.
Sealing ring 5 is assembled into connector modules 3.Specifically, which can be embodied as 5 company of being assembled into of sealing ring
In the installation groove for connecing device module 3；
Connector modules 3 are assembled into shell 1, so that sealing ring 5 is between connector modules 3 and shell 1.Specifically
Ground, the step can be embodied as using multiple fasteners 11, such as four screws, and connector modules 3 are fixed to shell 1；
At least part of opening 9 for receiving electric power pin 4 is formed on printed circuit-board assembly 2；For electric power
Pin 4 includes the case where multiple column structures 13 at the section close to printed circuit-board assembly 2, and the opening 9 can be area
Slightly larger than the aperture of the cross-sectional area of the column structure 13 of electric power pin 4；
Electric power pin 4 is welded in printed circuit-board assembly 2 at the opening 9 of printed circuit-board assembly 2.Specifically, should
Step can be embodied as at the opening 9 of printed circuit-board assembly 2 that electric power pin 4 is welded in print by selective wave-soldering
Printed circuit board component 2, wherein Fig. 4 schematically illustrates welding process, and the column structure 13 of electric power pin 4 is received in figure
In the corresponding opening 9 of printed circuit-board assembly 2, by welding electrode 10 by the column structure 13 of electric power pin and printed circuit board group
Part 2 welds together.
It should be noted that above-mentioned steps are not limited to said sequence, and one or more of above-mentioned steps can be omitted
Or change.It is opened for example, can be formed first on printed circuit-board assembly 2 for receiving at least part of of electric power pin 4
Mouth 9, is then sealed the assembling of circle；In another example, it is convenient to omit the step of sealing ring 5 is assembled into connector modules 3, etc.
Deng.
Unless otherwise defined, the technical term or scientific term used herein should be in fields of the present invention and has
The ordinary meaning that the personage of general technical ability is understood.Used in present patent application specification and claims " the
One ", " second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different
Component part.Equally, the similar word such as "one" or " one " also not necessarily indicates quantity limitation." comprising " or "comprising" etc.
Similar word mean to occur element or object before the word cover the element for appearing in the word presented hereinafter or object and
It is equivalent, and is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirect."upper", "lower", " left side ",
" right side " etc. is only used for indicating relative positional relationship, after the absolute position for being described object changes, then the relative positional relationship
May correspondingly it change.
It is described in detail exemplary embodiment of the invention above in reference to preferred embodiment, however art technology
Personnel it will be appreciated that under the premise of without departing substantially from theory of the present invention, above-mentioned specific embodiment can be made a variety of modifications and
Remodeling, and multiple combinations can be carried out to various technical characteristics proposed by the present invention, structure, and without departing from protection model of the invention
It encloses, protection scope of the present invention is determined by the attached claims.
Reference signs list
1 shell
2 printed circuit-board assemblies
3 connector modules
4 electric power pins
5 sealing rings
6 input pins
7 output connecting pins
8 ground connection pins
9 openings
10 welding electrodes
11 fasteners
12 base portions
13 column structures.
Claims (14)
1. a kind of electric pressure converter, comprising:
Printed circuit-board assembly (2), is converted into scheduled output voltage for input voltage；
Input voltage is introduced into the printed circuit-board assembly (2) and connect from printed circuit-board assembly by connector modules (3)
Output voltage is received, wherein the connector modules (3) have electric power pin (4), the electric power pin (4) is connected to connector mould
Between block (3) and printed circuit-board assembly (2), and wherein the electric power pin (4) is directly welded in printed circuit-board assembly
(2)。
2. electric pressure converter as described in claim 1, wherein the electric power pin (4) passes through selective wave-soldering and printing
Circuit board assemblies (2) weld together.
3. electric pressure converter as described in claim 1, wherein the electric power pin (4) and connector modules (3) pass through molding
And it is integrally formed.
4. electric pressure converter as described in claim 1, do not have for by printed circuit-board assembly (2) and connector modules
(3) the connection bus connected.
5. electric pressure converter as described in claim 1, wherein the electric power pin (4) includes input pin (6), output connecting pin
(7) and pin (8) are grounded.
6. electric pressure converter as described in claim 1, wherein the electric power pin (4) is plate structure.
7. electric pressure converter as described in claim 1, wherein the electric power pin (4) includes base portion (12) and extends from base portion
Multiple column structures (13), end and printed circuit of the electric power pin in the separate base portion (12) of column structure (13)
Board group part (2) welding.
8. electric pressure converter as claimed in claim 7, wherein the electric power pin (4) includes six column structures (13).
9. electric pressure converter as described in claim 1 is direct current-direct current voltage converter.
10. electric pressure converter as claimed in claim 9 is direct current 48V- direct current 12V electric pressure converter.
11. electric pressure converter as described in claim 1 also has shell (1), connector modules (3) pass through at least one
Fastener (11) is fixed to shell (1).
12. electric pressure converter as claimed in claim 11, sealing ring (5) setting shell (1) and connector modules (3) it
Between.
13. a kind of method for assembling such as electric pressure converter of any of claims 1-11, the method includes
Step:
At least part of opening (9) for receiving electric power pin (4) is formed on printed circuit-board assembly (2)；
Electric power pin (4) and printed circuit-board assembly (2) are welded together at the opening (9) of printed circuit-board assembly (2).
14. a kind of method for assembling electric pressure converter as claimed in claim 12, the method includes the steps:
Sealing ring (5) is assembled into connector modules (3)；
Connector modules (3) are assembled into shell (1), so that sealing ring (5) is located between connector modules (3) and shell (1)；
At least part of opening (9) for receiving electric power pin (4) is formed on printed circuit-board assembly (2)；
Electric power pin (4) and printed circuit-board assembly (2) are welded together at the opening (9) of printed circuit-board assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373827.7A CN109936030A (en) | 2017-12-19 | 2017-12-19 | Electric pressure converter and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373827.7A CN109936030A (en) | 2017-12-19 | 2017-12-19 | Electric pressure converter and its assemble method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109936030A true CN109936030A (en) | 2019-06-25 |
Family
ID=66983604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711373827.7A Pending CN109936030A (en) | 2017-12-19 | 2017-12-19 | Electric pressure converter and its assemble method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109936030A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003132979A (en) * | 2001-10-30 | 2003-05-09 | Mitsubishi Electric Corp | Control apparatus for electric power output |
| CN201266876Y (en) * | 2008-09-22 | 2009-07-01 | 捷拓科技股份有限公司 | DC/DC voltage converter with radiating effect |
| CN202019333U (en) * | 2011-03-24 | 2011-10-26 | 重庆红宇精密工业有限责任公司 | Structure of motor driving controller of electric automobile |
| CN103283138A (en) * | 2010-12-27 | 2013-09-04 | 日立汽车系统株式会社 | Power conversion apparatus |
| CN103296878A (en) * | 2012-03-01 | 2013-09-11 | 松下电器产业株式会社 | Power converter and lighting device using the same |
| CN204906164U (en) * | 2015-06-20 | 2015-12-23 | 南京飞洋汽车电子有限责任公司 | Auto electric compressor is power copper bar module for controller |
-
2017
- 2017-12-19 CN CN201711373827.7A patent/CN109936030A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003132979A (en) * | 2001-10-30 | 2003-05-09 | Mitsubishi Electric Corp | Control apparatus for electric power output |
| CN201266876Y (en) * | 2008-09-22 | 2009-07-01 | 捷拓科技股份有限公司 | DC/DC voltage converter with radiating effect |
| CN103283138A (en) * | 2010-12-27 | 2013-09-04 | 日立汽车系统株式会社 | Power conversion apparatus |
| CN202019333U (en) * | 2011-03-24 | 2011-10-26 | 重庆红宇精密工业有限责任公司 | Structure of motor driving controller of electric automobile |
| CN103296878A (en) * | 2012-03-01 | 2013-09-11 | 松下电器产业株式会社 | Power converter and lighting device using the same |
| CN204906164U (en) * | 2015-06-20 | 2015-12-23 | 南京飞洋汽车电子有限责任公司 | Auto electric compressor is power copper bar module for controller |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190625 |
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| RJ01 | Rejection of invention patent application after publication |