CN207638576U - A kind of alternating current generator and its rectifier stack - Google Patents
A kind of alternating current generator and its rectifier stack Download PDFInfo
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- CN207638576U CN207638576U CN201721923473.4U CN201721923473U CN207638576U CN 207638576 U CN207638576 U CN 207638576U CN 201721923473 U CN201721923473 U CN 201721923473U CN 207638576 U CN207638576 U CN 207638576U
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- lead bracket
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Abstract
The utility model discloses a kind of alternating current generator and its rectifier stacks, rectifier stack includes positive heating panel, positive rectifier diode, cathode heat sink, negative sense rectifier diode, excitatory tube assembly, down-lead bracket assembly and heat dissipation chamber assembly, positive, negative sense rectifier diode is corresponded on anode, cathode heat sink and is electrically connected respectively with the end of down-lead bracket assembly, excitatory tube assembly is electrically connected with the head end of down-lead bracket assembly, and excitatory tube assembly, positive heating panel and cathode heat sink are both secured to heat dissipation chamber assembly；Down-lead bracket assembly is split left and right formula structure, each down-lead bracket end wherein in left end down-lead bracket assembly and right end down-lead bracket assembly is both provided with three-jaw pin, a rectifier diode, three rectifier diode parallel connections of each three-jaw pin are respectively welded in each pin of three-jaw pin.Entire technical process improves production efficiency, reduces cost, and improve the reliability of welding without third part connecting pieces.
Description
Technical field
The utility model belongs to technical field of generators more particularly to a kind of alternating current generator and for alternating current generator
Rectifier stack.
Background technology
Currently, as shown in Figures 1 to 4, down-lead bracket assembly 7 in rectifier bridge or rectifier stack 8 using circular copper wire with
Rectifier diode welds, if multiple rectifier diodes are used in parallel, 7 difficult wiring of down-lead bracket assembly in rectifier bridge needs
The welding with rectifier diode is realized by third part lug plate, that is, welding diode connection sheet 81, in order to increase when welding
Solderability needs manually to increase copper silver soldering piece, seriously affects production efficiency and welding quality.
Rectifier bridge or rectifier stack 8 before realizes connection, lead by the stator of coupling line terminals 83 and generator
Holder is using circular copper wire, after circular copper wire is by reversing sizing, then welds and is positioned together with coupling line terminals 83, then
It can be molded into heat dissipation chamber assembly 3, excitation diode, which needs to realize by excitatory pipe lug plate 82, to be connected.All can in this way per procedure
Entire technical process is caused to complicate, and then low production efficiency, the reliability of rectifier stack can also be affected significantly.
Utility model content
Being intended to overcome above-mentioned the deficiencies in the prior art, the first problem that the utility model solves is, it is proposed that
The production efficiency of a kind of rectifier stack for alternating current generator, the rectifier stack is high, at low cost, and reliability is high.
As the same technical concept, another technical problem that the utility model is solved is to provide one kind and is equipped with
The alternating current generator of above-mentioned rectifier stack.
Technical solution is used by the utility model solves above-mentioned first technical problem：One kind being used for alternating current generator
Rectifier stack, the rectifier stack includes positive heating panel, positive rectifier diode, cathode heat sink, two pole of negative sense rectification
Pipe, excitatory tube assembly, down-lead bracket assembly and heat dissipation chamber assembly, the forward direction rectifier diode are mounted on the positive heating panel
It above and with the end of the down-lead bracket assembly is electrically connected, the negative sense rectifier diode is mounted on the cathode heat sink
And it is electrically connected with the end of the down-lead bracket assembly, the excitatory tube assembly and the head end of the down-lead bracket assembly are electrically connected
It connects, the excitatory tube assembly, the positive heating panel and the cathode heat sink are both secured to the heat dissipation chamber assembly；
The down-lead bracket assembly is split left and right formula structure, and wherein left end down-lead bracket assembly and right end down-lead bracket is total
Each down-lead bracket end in is both provided with three-jaw pin, and a rectification is respectively welded in each pin of the three-jaw pin
Three rectifier diodes of diode, each three-jaw pin are in parallel.
Further, the left end down-lead bracket assembly includes multiple left end down-lead brackets, the right end down-lead bracket assembly
Include multiple right end down-lead brackets consistent with the left end down-lead bracket quantity, the head end or described of the left end down-lead bracket
The head end of right end down-lead bracket is provided with the pin being connected with the excitation diode in the excitatory tube assembly.
Further, the down-lead bracket assembly is lead assembly bracket made of conductive material, and is injection molding and is fixed on institute
It states in heat dissipation chamber assembly；The down-lead bracket section is rectangle or ellipse.
Further, the conductive material is fine copper.
Further, the left end down-lead bracket assembly includes at least three left end down-lead bracket, and the right end down-lead bracket is total
At including multiple right end down-lead brackets consistent with the left end down-lead bracket quantity；
The left end down-lead bracket welds negative sense rectifier diode, two pole of the positive rectification of the right end down-lead bracket welding
Pipe；Alternatively, the positive rectifier diode of left end down-lead bracket welding, two pole of right end down-lead bracket welding negative sense rectification
Pipe.
Further, the down-lead bracket in the left end down-lead bracket assembly welds negative sense rectifier diode, and the right end draws
The positive rectifier diode of down-lead bracket welding in line bracket assembly；The left end down-lead bracket assembly includes and U, V and W three-phase
The U phase left end down-lead brackets being respectively connected with, V phase left end down-lead brackets and W phase left end down-lead brackets, the right end down-lead bracket
The U phase right end down-lead brackets that assembly includes and U, V and W three-phase are respectively connected with, V phase right end down-lead brackets and W phase right end leads
Holder.
Further, wherein minimum spacing of the down-lead bracket of two-phase between any two points of space be not in U, V and W three-phase
Less than 1.5 times of the down-lead bracket thickness.
Further, the down-lead bracket minimum sectional area is not less than the sectional area of the rectifier diode pin.
To solve above-mentioned second technical problem, technical solution is used by the utility model：
A kind of alternating current generator, including drive end bearing bracket, rear end cap, the rotor assembly for providing rotating excitation field, for generating
The field frame assembly of alternating current, voltage regulator and for the rectifier stack by AC rectification at direct current, the rectifier stack
For rectifier stack described above, the rectifier stack is mounted on the rear end cap of alternating current generator.
After using above-mentioned technical proposal, the utility model has the beneficial effects that：
In order to improve the production efficiency of rectifier stack, the down-lead bracket assembly in rectifier stack heat dissipation chamber assembly is carried out
It improves, down-lead bracket assembly uses split left and right formula structure, wherein the end of each down-lead bracket directly uses three-jaw pin knot
Structure is welded with rectifier diode, and head end equally uses single pin structure to be welded with excitation diode, is connected without third part
Fitting reduces cost while improving production efficiency, and improves the reliability of welding.
Description of the drawings
Fig. 1 is the structural schematic diagram of the rectifier stack of the prior art；
Fig. 2 is the structural schematic diagram of heat dissipation chamber assembly in Fig. 1 rectifier stacks；
Fig. 3 is the structural front view of Fig. 2 heat dissipation chamber assembly lead bracket assemblies；
Fig. 4 is the structural perspective of the down-lead bracket assembly of Fig. 3；
Fig. 5 is the structure sectional view of the utility model alternating current generator；
Fig. 6 is the structure rearview of Fig. 5 removal shields；
Fig. 7 is the structural schematic diagram of rectifier stack in Fig. 6；
Fig. 8 is the structural schematic diagram of heat dissipation chamber assembly in Fig. 7 rectifier stacks；
Fig. 9 is the structural front view of Fig. 8 heat dissipation chamber assembly lead bracket assemblies；
Figure 10 is the structure top view of Fig. 8 heat dissipation chamber assembly lead bracket assemblies；
Figure 11 is the structural perspective of Fig. 9 down-lead bracket assemblies；
Figure 12 is three-jaw pin and the partial enlarged view at rectifier diode welding position in Fig. 7；
In figure：1- positive heating panels, 2- cathode heat sinks, 3- heat dissipation chamber assemblies, 4- forward direction rectifier diode 5- negative senses are whole
Flow diode, the excitatory tube assemblies of 6-, 61- excitation diodes, 7- down-lead bracket assemblies, 711-U phase left end down-lead brackets, 721-V
Phase left end down-lead bracket, 731-W phase left end down-lead brackets, 712-U phase right end down-lead brackets, 722-V phase right end down-lead brackets,
732-W phase right end down-lead brackets, 74- three-jaw pins, 8- rectifier stacks, 81- welding diode connection sheets, the excitatory pipe wiring of 82-
Piece, 83- coupling line terminals, 9- drive end bearing brackets, 10- field frame assemblies, 11- rear end caps, 12- voltage regulators, 13- shields, 14- rotors
Assembly, d- are the diameter of diode pin, and a- is the thickness of down-lead bracket, and b- is the width of down-lead bracket, and k- is two phase terminals
Minimum spacing of the holder between any two points of space, S- are down-lead bracket sectional area.
Specific implementation mode
The utility model is described in further detail in conjunction with attached drawing and its specific embodiment.
As shown in Figure 5 and Figure 6, the alternating current generator of the utility model is mainly used for motor vehicle, including is used to provide rotation
The rotor assembly 14 in magnetic field, the field frame assembly 10 for generating alternating current, voltage regulator 12 and for by AC rectification at
The rectifier stack 8 of direct current, and it is used to support the drive end bearing bracket 9 and rear end cap 11 for housing other parts.The alternating current generator
Composition, structure, mutual alignment relation, connection relation and function of other parts etc. are the more ripe prior art, therefore herein
It does not repeat.Only the rectifier stack of the utility model is described in detail below.
As shown in Figure 7 and Figure 8, rectifier stack 8 is mounted on the rear end cap of alternating current generator, and rectifier stack 8 includes anode
Heat sink 1, positive rectifier diode 4, cathode heat sink 2, negative sense rectifier diode 5, excitatory tube assembly 6 and heat dissipation chamber assembly 3,
Positive rectifier diode 4 is mounted in positive heating panel 1, and negative sense rectifier diode 5 is mounted on cathode heat sink 2, positive whole
Stream diode 4 and negative sense rectifier diode 5 are referred to as rectifier diode.Excitatory tube assembly 6, positive heating panel 1 and cathode heat dissipation
Plate 2 is both secured on heat dissipation chamber assembly 3.
The electric device to radiate in chamber assembly 3 is realized by down-lead bracket assembly 7 and alternator frame assembly 10 and is connected.
Down-lead bracket assembly 7 is made of conductive material, and is injection-moulded in heat dissipation chamber assembly 3, and conductive material is chosen as fine copper.Heat dissipation chamber
Assembly 3 is that an injection molding is whole, it is believed that is divided to or so two, it is total that cathode heat sink 2 and positive heating panel 1 are located at heat dissipation chamber
At 3 left and right sides, riveting is fixed.Down-lead bracket assembly 7 is split left and right formula structure, wherein left end down-lead bracket assembly and the right side
Each down-lead bracket end in the down-lead bracket assembly of end is both provided with three-jaw pin 74, each pin difference of three-jaw pin 74
Weld a rectifier diode, three rectifier diode parallel connections of each three-jaw pin 74.And down-lead bracket have rectangle or
Person's elliptic cross-section can obtain through the stamping process.
Under normal conditions, left end down-lead bracket assembly includes at least three left end down-lead bracket, right end down-lead bracket assembly packet
Include the multiple right end down-lead brackets consistent with left end down-lead bracket quantity.Each left end down-lead bracket and a corresponding right side
Down-lead bracket is held to constitute one group of down-lead bracket, i.e. down-lead bracket total 7 includes at least 3 groups of down-lead brackets.Excitatory tube assembly 6 includes more
A excitation diode 61.The head end of left end down-lead bracket or the head end of right end down-lead bracket are connected with corresponding excitation diode 61
It connects, that is, the side for being only capable of down-lead bracket total 7 is connected with excitatory tube assembly 6.Left end down-lead bracket welds two pole of negative sense rectification
Pipe 5, right end down-lead bracket welding forward direction rectifier diode 4；Alternatively, the positive rectifier diode 4 of left end down-lead bracket welding, right end
Down-lead bracket welds negative sense rectifier diode 5.As long as ensuring that positive rectifier diode 4 is mounted in positive heating panel 1, negative sense is whole
It flows diode 5 to be mounted on cathode heat sink 2, remaining installation relation can be changed as needed.
As shown in figure 9, when coupling line terminals are U, when V and W three-phases, the down-lead bracket welding in left end down-lead bracket assembly
Negative sense rectifier diode 5, and negative sense rectifier diode 5 is in turn mounted on cathode heat sink 2 (one end of negative sense rectifier diode 5
Foot is welded with a pin in the three-jaw pin of down-lead bracket end, and another end feet and the cathode of negative sense rectifier diode 5 radiate
Plate 2 fixes welding), therefore the installation site of left end down-lead bracket assembly is corresponding with the installation site of cathode heat sink 2, and all
Positioned at the left end of heat dissipation chamber assembly 3；Down-lead bracket welding forward direction rectifier diode 4 in right end down-lead bracket assembly；And it is positive
Rectifier diode 4 installs in positive heating panel 1 (end feet of positive rectifier diode 4 and down-lead bracket end three-jaw pin again
In the welding of a pin, another end feet of positive rectifier diode 4 fixes with positive heating panel 1 and welds), therefore right end lead
The installation site of bracket assembly is corresponding with the installation site of positive heating panel 1, and is all located at the right end of heat dissipation chamber assembly 3.Swash
Magnetic tube component 6 includes 3 excitation diodes 61.Left end down-lead bracket assembly includes and the left end of U, V and W three-phase lead terminal divides
The U phase left ends down-lead bracket 711 not being connected, V phase left ends down-lead bracket 721 and W phase left ends down-lead bracket 731, right end lead
Bracket assembly includes and the U phase right ends down-lead bracket 712 that is respectively connected with U, V and W three-phase lead terminals, V phase right end leads
Holder 722 and W phase right ends down-lead bracket 732.Only U phases right end down-lead bracket 712, V phase right ends down-lead bracket 722 and W phase right ends
The head end of down-lead bracket 732 is provided with the pin being connected with corresponding excitation diode 61.
In order to improve the production efficiency of rectifier stack 8, to the 3 lead bracket assembly 7 of heat dissipation chamber assembly of rectifier stack 8 into
Improvement is gone, using the lead of rectangular section instead of circular copper wire；In order to reduce raw material loss, while using split type lead
Holder, end directly use three-jaw pin configuration and rectifier diode connection, head end equally use single pin structure with it is excitatory
Diode 61 welds, and can improve production efficiency in this way, reduce cost, while also improve the reliability of welding.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art can make various corresponding change and deformations, but these phases according to the utility model
The change and distortion answered belongs to the protection domain of the utility model the attached claims.
Claims (9)
1. a kind of rectifier stack for alternating current generator, the rectifier stack include positive heating panel, positive rectifier diode,
Cathode heat sink, negative sense rectifier diode, excitatory tube assembly, down-lead bracket assembly and heat dissipation chamber assembly, the forward direction rectification two
Pole pipe is mounted in the positive heating panel and is electrically connected with the end of the down-lead bracket assembly, two pole of negative sense rectification
Pipe is mounted on the cathode heat sink and is electrically connected with the end of the down-lead bracket assembly, the excitatory tube assembly and institute
The head end electrical connection of down-lead bracket assembly is stated, the excitatory tube assembly, the positive heating panel and the cathode heat sink are solid
Due to the heat dissipation chamber assembly；It is characterized in that,
The down-lead bracket assembly is split left and right formula structure, wherein in left end down-lead bracket assembly and right end down-lead bracket assembly
Each down-lead bracket end be both provided with three-jaw pin, two pole of rectification is respectively welded in each pin of the three-jaw pin
Three rectifier diodes of pipe, each three-jaw pin are in parallel.
2. rectifier stack as described in claim 1, which is characterized in that the left end down-lead bracket assembly includes that multiple left ends draw
Line bracket, the right end down-lead bracket assembly include multiple right end down-lead brackets consistent with the left end down-lead bracket quantity,
The head end of the head end of the left end down-lead bracket or the right end down-lead bracket be provided with it is excitatory in the excitatory tube assembly
The pin that diode is connected.
3. rectifier stack as claimed in claim 2, which is characterized in that the down-lead bracket assembly is to draw made of conductive material
Line assembly bracket, and be injection molding and be fixed in the heat dissipation chamber assembly；The down-lead bracket section is rectangle or ellipse.
4. rectifier stack as claimed in claim 3, which is characterized in that the conductive material is fine copper.
5. rectifier stack as claimed in claim 3, which is characterized in that the left end down-lead bracket assembly includes at least three left side
Down-lead bracket is held, the right end down-lead bracket assembly includes multiple right end lead branch consistent with the left end down-lead bracket quantity
Frame；
The left end down-lead bracket welds negative sense rectifier diode, the positive rectifier diode of right end down-lead bracket welding；Or
Person, the positive rectifier diode of left end down-lead bracket welding, the right end down-lead bracket weld negative sense rectifier diode.
6. rectifier stack as claimed in claim 5, which is characterized in that the down-lead bracket weldering in the left end down-lead bracket assembly
Negative sense rectifier diode is connect, the positive rectifier diode of down-lead bracket welding in the right end down-lead bracket assembly；The left end
The U phase left end down-lead brackets that down-lead bracket assembly includes and U, V and W three-phase are respectively connected with, V phase left end down-lead brackets and W phases
Left end down-lead bracket, the U phase right end down-lead brackets that the right end down-lead bracket assembly includes and U, V and W three-phase are respectively connected with,
V phase right end down-lead brackets and W phase right end down-lead brackets.
7. rectifier stack as claimed in claim 6, which is characterized in that the wherein down-lead bracket of two-phase in U, V and W three-phase
Minimum spacing between any two points of space is not less than 1.5 times of the down-lead bracket thickness.
8. rectifier stack as claimed in claim 7, which is characterized in that the down-lead bracket minimum sectional area is not less than described whole
Flow the sectional area of diode pin.
9. a kind of alternating current generator, including drive end bearing bracket, rear end cap, the rotor assembly for providing rotating excitation field, for generating friendship
The field frame assembly of galvanic electricity, voltage regulator and for the rectifier stack by AC rectification at direct current, which is characterized in that described
Rectifier stack is the rectifier stack described in any one of the claims 1-8, and the rectifier stack is mounted on alternative electric generation
On the rear end cap of machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923473.4U CN207638576U (en) | 2017-12-29 | 2017-12-29 | A kind of alternating current generator and its rectifier stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923473.4U CN207638576U (en) | 2017-12-29 | 2017-12-29 | A kind of alternating current generator and its rectifier stack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638576U true CN207638576U (en) | 2018-07-20 |
Family
ID=62851345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721923473.4U Active CN207638576U (en) | 2017-12-29 | 2017-12-29 | A kind of alternating current generator and its rectifier stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207638576U (en) |
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2017
- 2017-12-29 CN CN201721923473.4U patent/CN207638576U/en active Active
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