CN205544973U - Rectifier bridge module - Google Patents
Rectifier bridge module Download PDFInfo
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- CN205544973U CN205544973U CN201620212446.5U CN201620212446U CN205544973U CN 205544973 U CN205544973 U CN 205544973U CN 201620212446 U CN201620212446 U CN 201620212446U CN 205544973 U CN205544973 U CN 205544973U
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- rectifier bridge
- diode chip
- pcb board
- bridge module
- backlight unit
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Abstract
The utility model provides a rectifier bridge module belongs to the power electronics field. It has solved current technique when using, and stability is not good, the not good problem of reliability. This rectifier bridge module, including aluminium base board, diode chip and extraction electrode, rectifier bridge module still includes PCB board and the connecting piece that has electric conductivity, and the one end welding of diode chip is on aluminium base board, and the other end of diode chip welds on the PCB board, and weld respectively on aluminium base board and PCB board at the both ends of connecting piece, and extraction electrode installs on the PCB board. This rectifier bridge module can improve the reliability of rectifier bridge module work.
Description
Technical field
This utility model belongs to electric and electronic technical field, relates to a kind of rectifier bridge module.
Background technology
Electric power is the basic energy resource of modern society, and the life of people is can not without electricity
The imagination.But civil power is alternating current, the electrical equipment of major part in the present age, little to computer,
Mobile phone, arrives greatly charging pile, high ferro locomotive, all can not directly utilize civil power, and need to become
Flow Technique is changed.Semiconductor rectifier bridge is exactly the basic device realizing current transformation
Part, traditional rectifier bridge, in order to realize specific circuit function, inside have employed numerous and diverse
Metal connecting sheet, structure is complicated, and production efficiency is low and is difficult to automated production.
For the problem of above-mentioned existence, existing Chinese patent literature discloses a kind of rectification mould
Block [application number: CN201420636384.1], including substrate, crossover, and is located at base
A connecting piece on plate, the second connection sheet and newel, also include the first diode core
Sheet, the second diode chip for backlight unit, the 3rd diode chip for backlight unit, the first extraction electrode, second draw
Go out electrode, the 3rd extraction electrode, the 4th extraction electrode, the first described diode chip for backlight unit
It is respectively arranged on a connecting piece with the first extraction electrode, the second diode chip for backlight unit, the 3rd
Diode chip for backlight unit and the 3rd extraction electrode are respectively arranged on the second connection sheet, the one or two pole
Die and the second diode chip for backlight unit are connected by crossover, the second extraction electrode, the 4th
Extraction electrode is respectively arranged on the first diode chip for backlight unit, the 3rd diode chip for backlight unit.Although should
Only need to weld four extraction electrodes during rectification module welding, simplify welding step, but
The extraction electrode of this rectification module is all attached with chip by connection sheet, structure
Complexity, and in use, stability is bad, and reliability is the best.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that
A kind of rectifier bridge module, this rectifier bridge module is to be solved be technical problem is that: how to carry
The reliability of high rectifier bridge module work.
The purpose of this utility model can be realized by following technical proposal: a kind of rectifier bridge
Module, including aluminium base, diode chip for backlight unit and extraction electrode, it is characterised in that described
Rectifier bridge module also includes pcb board and has the connector of electric conductivity, described diode core
One end of sheet is welded on aluminium base, and the other end of described diode chip for backlight unit is welded on PCB
On plate, the two ends of described connector are respectively welded on aluminium base and pcb board, described in draw
Go out electrode to be arranged on pcb board.
One end of the diode chip for backlight unit of this rectifier bridge module is welded on aluminium base, the other end
Being welded on pcb board, the two ends of connector are respectively welded on aluminium base and pcb board,
One end of diode chip for backlight unit is drawn out on pcb board by connector, and then passes through connector
Realize the electrical connection of aluminium base and pcb board；Extraction electrode is arranged on the corresponding positions of pcb board
Put, for the other end of diode chip for backlight unit is drawn by extraction electrode；During application,
Alternating current flows into pcb board by extraction electrode, then flows into diode chip for backlight unit by pcb board,
By diode chip for backlight unit, alternating current is converted to unidirectional current, then by aluminium base by unidirectional current
Flowing into connector, flow into pcb board by connector, last unidirectional current is from extraction electrode stream
Go out, thus the function of the rectifier bridge required by realizing.Wherein by the two ends of diode chip for backlight unit
Be separately mounted on aluminium base and pcb board, can be effectively improved rectifier bridge module run can
By property, it is to avoid be arranged on same circuit board and affect electric conductivity and for conductive layer requirement
Higher problem；It addition, such setting can reduce the volume of rectifier bridge module, and
Diode chip for backlight unit is arranged on aluminium base, the thermal diffusivity of rectifier bridge module can be improved.
In above-mentioned rectifier bridge module, described aluminium base include conductive layer, insulating barrier and
Aluminium sheet, described conductive layer is drawn and has pattern, and described diode chip for backlight unit and connector are respectively
It is arranged on the appointment position of conductive layer.Diode chip for backlight unit and connector are directly installed on
On aluminium base, it is not necessary to radiator is installed again so that this rectifier bridge module volume is substantially reduced,
And good heat dissipation effect, good insulation preformance.
In above-mentioned rectifier bridge module, described pcb board includes conductive layer, insulating barrier
And lower conductiving layer, upper conductive layer described in pattern and lower conductiving layer are all drawn and has pattern, institute
The lower conductiving layer stating pcb board is welded to connect with diode chip for backlight unit and connector, described
Extraction electrode is arranged on the upper conductive layer of pcb board.Extraction electrode is directly installed on pcb board,
Save the internal complicated metal connecting sheet of conventional rectifier bridge, make operation process simpler.
In above-mentioned rectifier bridge module, described extraction electrode is the extraction electricity of fine copper material
Pole.Extraction electrode uses the extraction electrode of fine copper material, it is ensured that this rectifier bridge module has
Efficient electric conductivity.
In above-mentioned rectifier bridge module, described connector is copper sheet or aluminium flake.Use copper
Sheet or aluminium flake are as connector, and its electric conductivity is more preferable.
In above-mentioned rectifier bridge module, described diode chip for backlight unit, connector and extraction electricity
The quantity of pole is several.The diode chip for backlight unit of different numbers, can be formed different whole
Stream bridge module, such as single-phase rectifier bridge module, three phase rectifier bridge module.
Compared with prior art, this rectifier bridge module has the advantage that
1, diode chip for backlight unit of the present utility model and connector by with aluminium base, pcb board
The conductive pattern of upper correspondence connects, it is possible to the circuit function required by realization, and structure
Simply, thermal diffusivity is good, good insulation preformance, and reliability is high, adapts to automated production requirement,
Production efficiency can be improved, reduce cost.
2, extraction electrode of the present utility model is directly installed on pcb board, diode chip for backlight unit
The outfan of the rectifier bridge of composition is set up even with extraction electrode by connector and pcb board
Connect so that operation process is simpler, eliminate the internal complicated metal of conventional rectifier bridge
Connecting sheet, this utility model can facilitate implementation automated job, improves product reliability,
Also improve production efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is schematic top plan view of the present utility model.
Fig. 2 is schematic side view of the present utility model.
Fig. 3 is elevational schematic view of the present utility model.
In figure, 1, aluminium base；2, pcb board；3, diode chip for backlight unit；4, connector；
5, extraction electrode；6, conductive layer；7, upper conductive layer；8, lower conductiving layer.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model
Technical scheme be further described, but this utility model is not limited to these embodiments.
As shown in Figure 1, 2, 3, this rectifier bridge module include aluminium base 1, pcb board 2,
Several diode chip for backlight unit 3, several extraction electrodes 5 and several there is electric conductivity
Connector 4, aluminium base 1 includes that conductive layer 6, insulating barrier and aluminium sheet, pcb board 2 include
Upper conductive layer 7, insulating barrier and lower conductiving layer 8, conductive layer 6, on conductive layer 7 and under
All draw on conductive layer 8 and have the pattern for realizing rectifier bridge function, each diode chip for backlight unit
One end of 3 is welded on the relevant position of aluminium base 1 conductive layer 6, and the other end is welded on
On the relevant position of pcb board 2 lower conductiving layer 8, the two ends of each connector 4 respectively with aluminum
The conductive layer 6 of substrate 1 and the lower conductiving layer 8 of pcb board 2 connect, for by connecting
Aluminium base 1 and pcb board 2 are set up electrical connection by part 4, several diode chip for backlight unit 3 it
Between be attached by aluminium base 1, connector 4 and pcb board 2, thus realize rectification
The function of bridge, each extraction electrode 5 is separately mounted to the upper conductive layer 7 of pcb board 2, uses
In ac input end and the DC output end of drawing rectifier bridge.
Specifically:
Extraction electrode 5 is the extraction electrode of fine copper material.Extraction electrode 5 uses fine copper to draw
Go out electrode, it is ensured that this rectifier bridge module has efficient electric conductivity.
Connector 4 is copper sheet or aluminium flake.Use copper sheet or aluminium flake as connector 4,
Its electric conductivity is more preferable, and wherein the electric conductivity of copper sheet is more than aluminium flake, in addition, even
Fitting 4 can also select other metal material, such as silver.
Rectifier bridge includes the rectifier bridge of single-phase rectification bridge, three-phase commutation bridge and other phases.
According to the difference of the rectifier bridge number of phases, aluminium base 1 and pcb board 2 are drawn corresponding figure
Case, simultaneously along with the difference of the rectifier bridge number of phases, its diode chip for backlight unit 3, extraction electrode 5
The most different with the quantity of connector 4, such as single-phase rectification bridge, the number of diode chip for backlight unit 3
Being four, the quantity of extraction electrode 5 is four, and connector 4 is two；Three phase rectifier
Bridge, the number of diode chip for backlight unit 3 is six, and the quantity of extraction electrode 5 is five, even
Fitting 4 is two.
As a example by single-phase rectification bridge, the attachment structure of this rectifier bridge module is as follows: by two
The anode tap of diode chip for backlight unit 3 is welded on the same area of aluminium base 1 conductive layer 6,
The anode tap of these two diodes is attached by the conductive layer 6 of aluminium base 1, will be another
The cathode terminal of two diode chip for backlight unit 3 be welded on aluminium base 1 conductive layer 6 another with
On one region, the cathode terminal of these two diode chip for backlight unit 3 conductive layer by aluminium base 1
6 are attached, and pcb board 2 is placed on diode chip for backlight unit 3, make two diode chip for backlight unit
The cathode terminal of the anode tap of 3 and two diode chip for backlight unit 3 is corresponding to pcb board 2 respectively
Position is welded, wherein by the anode tap of diode chip for backlight unit 3 and diode chip for backlight unit 3
Cathode terminal is attached by the lower conductiving layer 8 of pcb board 2, so that four diodes
Chip 3 is connected into loop, aluminium base 1 conductive layer 6 by aluminium base 1 and pcb board 2
On the junction of the diode chip for backlight unit 3 two-by-two lower conduction by connector 4 with pcb board 2
Layer 8 is attached, and two extraction electrodes 5 are arranged on pcb board 2 after connection conduction
On the relevant position of layer 7, it is used for making connector 4 set up with extraction electrode 5 and electrically connects pass
System, the upper conductive layer 7 of pcb board 2 electrically connects with lower conductiving layer 8, by other two
Individual extraction electrode 5 is arranged on the upper of the pcb board 2 of the junction of diode chip for backlight unit 3 two-by-two
Conductive layer 7, thus draw four by extraction electrode 5 and be attached with external circuit
Terminals, are respectively used to as ac input end both positive and negative polarity and DC output end both positive and negative polarity.
Wherein the mount scheme of diode chip for backlight unit 3 is not limited to such scheme, it is also possible to be by
The anode of diode chip for backlight unit 3 and the negative electrode of diode chip for backlight unit 3 conduction by aluminium base 1
Layer 6 is attached, and another two diode chip for backlight unit 3 is also carried out identical setting；Except this it
Outward, along with aluminium base 1 and the change of the pattern of pcb board 2 conductive layer 6, its connection side
Formula is changeable, it is not limited to technical scheme disclosed above.
In the present embodiment, as a example by single-phase rectification bridge, when producing rectification module, first
First the aluminium base 1 carrying out conductive pattern is put in special weld mold, conductive layer
6 upper；At the specific bit placement location solder of aluminium base 1 pattern, solder can be weld tabs
Or soldering paste, four diode chip for backlight unit 3 and two connectors 4 are placed on solder, then
Diode chip for backlight unit 3 and connector 4 are placed solder；By four extraction electrodes 5 respectively
Install and be fixed on pcb board 2 on the relevant position of conductive layer 7 so that it is form one whole
Body component, then this global facility is placed on diode chip for backlight unit 3 and connector 4；
After completing above operation, each parts being placed in weld mold are put together with mould
Enter disposable sinter molding in vacuum drying oven.Use the structure of this rectifier bridge module, it is possible to save
Remove the internal complicated metal connecting sheet of conventional rectifier bridge, make operation process simpler, it is simple to
Realize automated job, improve product reliability, also improve production efficiency simultaneously.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Claims (6)
1. a rectifier bridge module, including aluminium base (1), diode chip for backlight unit (3) and extraction electrode (5), it is characterized in that, described rectifier bridge module also includes pcb board (2) and has the connector (4) of electric conductivity, one end of described diode chip for backlight unit (3) is welded on described aluminium base (1), the other end of described diode chip for backlight unit (3) is welded on pcb board (2), the two ends of described connector (4) are respectively welded on pcb board (2) and aluminium base (1), described extraction electrode (5) is arranged on pcb board (2).
Rectifier bridge module the most according to claim 1, it is characterized in that, described aluminium base (1) includes conductive layer (6), insulating barrier and aluminium sheet, the upper drafting of described conductive layer (6) has pattern, described diode chip for backlight unit (3) and connector (4) to be separately mounted on conductive layer (6).
Rectifier bridge module the most according to claim 2, it is characterized in that, described pcb board (2) includes conductive layer (7), insulating barrier and lower conductiving layer (8), all draw on described upper conductive layer (7) and lower conductiving layer (8) and have pattern, the lower conductiving layer (8) of described pcb board (2) is welded to connect with diode chip for backlight unit (3) and connector (4), and described extraction electrode (5) is arranged on the upper conductive layer (7) of pcb board (2).
4. according to the rectifier bridge module described in claim 1 or 2 or 3, it is characterised in that described extraction electrode (5) is the extraction electrode of fine copper material.
5. according to the rectifier bridge module described in claim 1 or 2 or 3, it is characterised in that described connector (4) is copper sheet or aluminium flake.
6. according to the rectifier bridge module described in claim 1 or 2 or 3, it is characterised in that the quantity of described diode chip for backlight unit (3), connector (4) and extraction electrode (5) is several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620212446.5U CN205544973U (en) | 2016-03-18 | 2016-03-18 | Rectifier bridge module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620212446.5U CN205544973U (en) | 2016-03-18 | 2016-03-18 | Rectifier bridge module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544973U true CN205544973U (en) | 2016-08-31 |
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ID=56783989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620212446.5U Active CN205544973U (en) | 2016-03-18 | 2016-03-18 | Rectifier bridge module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425390A (en) * | 2017-09-20 | 2017-12-01 | 黄山市振亿电子有限公司 | The assembling jig and its assembly method of rectification bridge electrode and binding post |
-
2016
- 2016-03-18 CN CN201620212446.5U patent/CN205544973U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425390A (en) * | 2017-09-20 | 2017-12-01 | 黄山市振亿电子有限公司 | The assembling jig and its assembly method of rectification bridge electrode and binding post |
| CN107425390B (en) * | 2017-09-20 | 2023-10-10 | 黄山市振亿电子有限公司 | Assembling clamp and assembling method for rectifier bridge electrode and wiring terminal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |