CN208028787U - A kind of alternating current generator and its rectifier stack - Google Patents
A kind of alternating current generator and its rectifier stack Download PDFInfo
- Publication number
- CN208028787U CN208028787U CN201820564205.6U CN201820564205U CN208028787U CN 208028787 U CN208028787 U CN 208028787U CN 201820564205 U CN201820564205 U CN 201820564205U CN 208028787 U CN208028787 U CN 208028787U
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- Prior art keywords
- excitatory
- leader
- alternating current
- rectifier
- current generator
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- Expired - Fee Related
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- 230000002964 excitative effect Effects 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 24
- 230000005284 excitation Effects 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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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, leader holder, positive rectifier diode is mounted in positive heating panel, negative sense rectifier diode is mounted on cathode heat sink, excitatory tube assembly is connected electrically on leader holder, positive heating panel and cathode heat sink are fixedly connected with leader holder, and leader holder includes at least a phase end W leader and an excitatory end D+ leader；It is provided on removable fuse or leader holder to be provided on leader holder and encapsulates integral fuse with leader holder, excitatory tube assembly and excitatory end D+ leaders are connected with fuse.The utility model can identify the excitatory tube assembly damage caused by connection electrical appliance is improper while playing overload protection to circuit, reduce three guarantees claim expense after sale.
Description
Technical field
The utility model belongs to technical field of generators more particularly to a kind of alternating current generator for motor vehicle and its whole
Flow component.
Background technology
Currently, as shown in Figure 1 to Figure 3, existing automotive alternator, the excitatory pipe diode in rectifier stack
D7, D8, D9 are realized by leader holder 4 and voltage regulator 12 and customer interface and are connected, and are provided and are swashed to rotor field winding 131
Magnetoelectricity stream simultaneously provides electric current to the part electrical appliance of client, if client's connection electrical appliance current needs are excessively high, by excitatory
The electric current of pipe diode D7, D8, D9 are excessively high, are easy to make excitation diode D7, D8, D9 and coupled electronics member device overcurrent
Damage, to increase excitation diode D7, D8, D9 failure rate, and caused excitation diode D7, D8, D9 for these reasons
Damage can not be identified, and increase three guarantees claim expense after sale.
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
A kind of rectifier stack for alternating current generator, identification is due to connection while protecting circuit, reduce excitatory tube assembly failure rate
Excitatory tube assembly damage caused by electrical appliance is improper.
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, leader holder, the forward direction rectifier diode are mounted in the positive heating panel, the negative sense rectification
Diode is mounted on the cathode heat sink, and the excitatory tube assembly is connected electrically on the leader holder, and the anode dissipates
Hot plate and the cathode heat sink are fixedly connected with the leader holder, and the leader holder draws including at least a phase end W
Piece and an excitatory end D+ leader；
It is provided on removable fuse or the leader holder and is provided with and the leader on the leader holder
Holder encapsulates integral fuse, and the excitatory tube assembly and the excitatory end D+ leaders are connected with the fuse.
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, the field frame assembly for generating alternating current, voltage tune
It saves device and for the rectifier stack by AC rectification at direct current, the rectifier stack is above-mentioned rectifier stack, described whole
Component is flowed to be mounted on the rear end cap.
Further, the phase end W leaders are electrically connected with the corresponding phase end of stator winding in the field frame assembly, described excitatory
End D+ leaders are electrically connected with the voltage regulator.
Further, the stator winding is using triangle connection or star-like connection.
Further, the excitatory tube assembly includes three excitation diodes, and the anode of three excitation diodes is respectively
It is electrically connected with three phase ends of the stator winding, the cathode of three excitation diodes is electrically coupled together as excitatory end
It powers to rotor field winding in the rotor assembly.
Further, three phase ends of the stator winding are connected to the corresponding positive rectifier diode and described negative
To between rectifier diode.
After using above-mentioned technical proposal, the utility model has the beneficial effects that：
In order to reduce the failure rate of excitatory tube assembly, the leader holder of rectifier stack is improved, in rectifier stack
Increase fuse structure dismantled and assembled or that encapsulation is integral on leader holder, the work of overload protection can be played to circuit in this way
With, while can identify the excitatory tube assembly damage caused by client's connection electrical appliance is improper, reduce three guarantees contributory value after sale
With.
Description of the drawings
Fig. 1 is the structural schematic diagram of existing rectifier stack；
Fig. 2 is the internal structure schematic diagram of leader holder in Fig. 1；
Fig. 3 is the circuit diagram of existing alternating current generator；
Fig. 4 is the sectional view of the utility model generator；
Fig. 5 is the left view of Fig. 4 removal shields；
Fig. 6 is the structural schematic diagram of the utility model rectifier stack；
Fig. 7 is the assembly structure diagram of leader holder in Fig. 6；
Fig. 8 is the circuit diagram of the utility model alternating current generator；
In figure：1- cathode heat sinks, 2- negative sense rectifier diodes, the excitatory tube assemblies of 3-, 4- leader holders, 5- forward direction rectifications
Diode, 6- positive heating panels, 7- rectifier stacks, the excitatory end D+ leaders of 71-, 72- phases hold W leaders, 8- drive end bearing brackets, and 9- stators are total
At, 91- stator winding, 10- rear end caps, 11- shields, 12- voltage regulators, 13- rotor assemblies, 131- rotor field windings,
14- fuses.
Specific implementation mode
The utility model is described in further detail in conjunction with attached drawing and its specific embodiment.
As shown in Figure 4 and Figure 5, the alternating current generator of the utility model is mainly used for motor vehicle, including is used to provide rotation
The rotor assembly 13 in magnetic field, the field frame assembly 9 for generating alternating current, voltage regulator 12 and for by AC rectification Cheng Zhi
The rectifier stack 7 of galvanic electricity, and it is used to support the drive end bearing bracket 8 and rear end cap 10 for housing other parts.The alternating current generator its
Composition, structure, mutual alignment relation, connection relation and function of his part etc. are the more ripe prior art, therefore herein not
It repeats.Only the rectifier stack of the utility model is described in detail below.
As shown in Figure 6 to 7, rectifier stack 8 is mounted on the rear end cap 10 of alternating current generator, and rectifier stack 8 includes just
Pole heat sink 6, positive rectifier diode 5, cathode heat sink 1, negative sense rectifier diode 2, excitatory tube assembly 3 and leader holder 4.
Positive rectifier diode 5 is mounted in positive heating panel 6, and negative sense rectifier diode 2 is mounted on cathode heat sink 1.Excitatory pipe
Component 3, which is welded on leader holder 4, realizes electrical connection, and positive heating panel 6 and cathode heat sink 1 rivet reality with leader holder 4
Now it is fixedly connected.(it is to be understood that positive 5 one end feet of rectifier diode is welded with positive heating panel 6, another end feet and leader
Holder 4 welds；2 one end feet of negative sense rectifier diode is welded with cathode heat sink 1, and another end feet is welded with leader holder 4.)
Leader holder 4 includes at least a phase end W leader 72 and an excitatory end D+ leader 71；Phase end W leaders 72 with it is fixed
Correspondence phase end (the W phases are held) electrical connection of stator winding 91 in sub- assembly 9, stator winding 91 is connected using triangle or star connects
It connects, the stator winding 91 connected using triangle in the present embodiment.Excitatory end D+ leaders 71 are electrically connected with voltage regulator 12
It connects, 71 also external electrical appliance of excitatory end D+ leaders.
It is provided on removable fuse 14 or leader holder 4 and is provided with and 4 envelope of leader holder on leader holder 4
Integrated fuse 14 is dressed up, excitatory tube assembly 3 and excitatory end D+ leaders 71 are connected with fuse 14.
As shown in figure 8, excitatory tube assembly 3 includes three excitation diode D7, D8, D9, three excitation diode D7, D8,
The anode of D9 is electrically connected with three phase ends of stator winding 91 respectively, and the cathode of three excitation diodes D7, D8, D9 are connected electrically in
Excitatory end is formed together to power to rotor field winding 131 in rotor assembly 13.
Three phase ends of stator winding 91 be connected to corresponding positive rectifier diode 5 (i.e. forward direction rectifier diode D1,
D3, D5) between negative sense rectifier diode 2 (i.e. negative sense rectifier diode D2, D4, D6).
The operation principle of traditional alternating current generator：The stator winding 91 of field frame assembly 9 generates three-phase by cutting magnetic field
Alternating current, electric current directly reach excitatory end D+ leaders 71 by three excitation diodes D7, D8, D9, pass through voltage regulator 12
Internal circuit provides excitation current to the rotor field winding 131 in rotor assembly 13 and is provided to the part electrical appliance of client
Electric current is increased if excitatory end D+ leaders 71 connect the increase of electrical appliance current needs by the electric current of excitation diode D7, D8, D9,
It is easy to make excitation diode D7, D8, D9 and coupled electronics member device (such as rotor assembly 13) overcurrent damage.
The operation principle of improved alternating current generator：The three-phase windings of the stator winding 91 of field frame assembly 9 pass through cutting
Magnetic field generates three-phase alternating current, and electric current reaches excitatory end D+ leaders by three excitation diodes D7, D8, D9 and fuse 14
71, then by 12 internal circuit of voltage regulator in rotor assembly 13 rotor field winding 131 provide excitation current and to
The part electrical appliance of client provides electric current, if excitatory end D+ leaders 71 connect electrical appliance current needs and cross significantly, fuse 14
It fuses first, disconnecting circuit plays the role of overload protection to excitation diode D7, D8, D9 and circuit；
If the failure machine dismantling returned after sale finds that fuse 14 fuses, alternating current generator failure mould can be locked
Whether formula further investigates client's vehicle line connection, identifies the failure mode since client's vehicle connection is improper
Cause, reduces the unnecessary claim expense of three guarantees after sale.
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 (6)
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, leader holder, it is described forward direction rectifier diode be mounted on it is described just
On the heat sink of pole, the negative sense rectifier diode is mounted on the cathode heat sink, and the excitatory tube assembly is connected electrically in institute
It states on leader holder, the positive heating panel and the cathode heat sink are fixedly connected with the leader holder, and feature exists
In,
The leader holder includes at least a phase end W leader and an excitatory end D+ leader；
It is provided on removable fuse or the leader holder and is provided with and the leader holder on the leader holder
Integral fuse is encapsulated, the excitatory tube assembly and the excitatory end D+ leaders are connected with the fuse.
2. 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 the claims 1, and the rectifier stack is mounted on the rear end cap.
3. alternating current generator as claimed in claim 2, which is characterized in that the phase end W leaders are determined with the field frame assembly
The correspondence phase end of sub- winding is electrically connected, and the excitatory end D+ leaders are electrically connected with the voltage regulator.
4. alternating current generator as claimed in claim 3, which is characterized in that the stator winding is connected using triangle or star
Shape connects.
5. alternating current generator as claimed in claim 3, which is characterized in that the excitatory tube assembly includes three excitatory two poles
The anode of pipe, three excitation diodes is electrically connected with three phase ends of the stator winding respectively, described three excitatory two
The cathode of pole pipe is electrically coupled together as excitatory end and powers to rotor field winding in the rotor assembly.
6. alternating current generator as claimed in claim 3, which is characterized in that three phase ends of the stator winding are connected to
Between the corresponding positive rectifier diode and the negative sense rectifier diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564205.6U CN208028787U (en) | 2018-04-19 | 2018-04-19 | A kind of alternating current generator and its rectifier stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564205.6U CN208028787U (en) | 2018-04-19 | 2018-04-19 | A kind of alternating current generator and its rectifier stack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208028787U true CN208028787U (en) | 2018-10-30 |
Family
ID=63911022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820564205.6U Expired - Fee Related CN208028787U (en) | 2018-04-19 | 2018-04-19 | A kind of alternating current generator and its rectifier stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208028787U (en) |
-
2018
- 2018-04-19 CN CN201820564205.6U patent/CN208028787U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |