CN207251388U - A kind of universal rectifier of low-voltage alternating-current synchronous generator - Google Patents
A kind of universal rectifier of low-voltage alternating-current synchronous generator Download PDFInfo
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- CN207251388U CN207251388U CN201721234199.XU CN201721234199U CN207251388U CN 207251388 U CN207251388 U CN 207251388U CN 201721234199 U CN201721234199 U CN 201721234199U CN 207251388 U CN207251388 U CN 207251388U
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- rectification
- synchronous generator
- rectification module
- radiator
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Abstract
A kind of universal rectifier of low-voltage alternating-current synchronous generator, belongs to rectifier technical field.Including rectification circuit, it is characterised in that：It is provided with rectification module（3）, the rectification circuit is arranged on rectification module（3）On, in rectification module（3）Front end face on be provided with multiple wire connection terminals（4）, it is provided with and rectification module（3）The radiator of cooperation, rectification module（3）It is placed at the same time in main frame with radiator.In the universal rectifier of this low-voltage alternating-current synchronous generator, rectification circuit is arranged on rectification module, realizes the modularization of rectification circuit, improves the versatility and interchangeability of rectifier.By setting radiator and radiator fan, cooling effect is played to rectification module, more powerful rectification circuit can be set on rectification module, improves the scope of application of rectifier.
Description
Technical field
A kind of universal rectifier of low-voltage alternating-current synchronous generator, belongs to rectifier technical field.
Background technology
In synchronous alternating-current generator, threephase stator winding is distributed in stator core according to 120 ° of electrical angles of difference each other
On, rotor is made of N poles and S poles, when rotor rotates, threephase stator cutting magnetic line, so as to produce mutual deviation in the stator windings
The simple sinusoidal electromotive of 120 ° of electrical angles, i.e. three-phase alternating current.Rectifier is that a kind of rectification circuit using in it turns alternating current
The device of direct current is changed to, synchronous alternating-current generator is connected with reorganizer, so as to obtain DC power supply.
Conventionally, as synchronous alternating-current generator all aspects of the parameters（Such as power）The reason for, the ginseng of reorganizer
Number is generally matched with corresponding synchronous alternating-current generator, so the value range of the parameters of rectifier bridge is smaller, therefore
The versatility and interchangeability of existing rectifier are poor, cause the waste of resource to a certain extent.
The content of the invention
The technical problems to be solved in the utility model is：One kind is overcome the deficiencies of the prior art and provide to set rectification circuit
Put on rectification module, realize the modularization of rectification circuit, improve the versatility of rectifier and the low-voltage alternating-current of interchangeability
The universal rectifier of synchronous generator.
Technical solution is used by the utility model solves its technical problem：The low-voltage alternating-current synchronous generator is universal
Rectifier, including rectification circuit, it is characterised in that：Rectification module is provided with, the rectification circuit is arranged on rectification module,
Multiple wire connection terminals are provided with the front end face of rectification module, are provided with the radiator coordinated with rectification module, rectification module
It is placed at the same time in main frame with radiator.
Preferably, the main frame is the rectangular box of front and rear perforation, including the outer cover of lower ending opening and is arranged on outer
Bottom plate at cover lower ending opening, the both ends horizontal of bottom plate protrude from the both sides formation fixed part of outer cover.
Preferably, mounting hole is offered respectively before and after the fixed part of every side.
Preferably, the radiator includes the upper radiator being close to above the rectification module and is close to described whole
Lower radiator below flow module.
Preferably, the radiator fan coordinated with the radiator is additionally provided with, radiator fan is located at radiator and rectification
The rear of module, fan is additionally provided with the rear of radiator fan and fixes net, fan fixes the rear port that net is fixed on main frame
Place.
Preferably, the wire connection terminal includes three AC input terminals for being used to access A, B, C three-phase alternating-current supply
And a DC output terminal for being used to draw DC power anode, the body of the rectification module is as the defeated of AC power
Go out anode.
Preferably, the full-wave rectifying circuit that the rectification circuit forms for diode D1 ~ diode D6.
Preferably, the average rated current of the diode D1 ~ diode D6 is 100A, breakdown reverse voltage 500V,
Reverse leakage current is 5 μ A, maximum junction temperature is 175 DEG C.
Compared with prior art, beneficial effect possessed by the utility model is：
1st, in the universal rectifier of this low-voltage alternating-current synchronous generator, rectification circuit is arranged on rectification module, it is real
Show the modularization of rectification circuit, improve the versatility and interchangeability of rectifier.
2nd, by setting radiator and radiator fan, cooling effect is played to rectification module, can be on rectification module
More powerful rectification circuit is set, improves the scope of application of rectifier.
3rd, the average rated current of diode D1 ~ D6 is 100A, breakdown reverse voltage 500V, reverse leakage current be 5 μ A,
Maximum junction temperature is 175 DEG C, and the parameter of the diode by setting composition full-wave rectifying circuit, forms diode D1 ~ D6 complete
The power bracket that portion's rectification circuit can be adapted for is wider, and it is universal to substantially increase this rectifier low-voltage alternating-current synchronous generator
The versatility and interchangeability of rectifier.
4th, output negative pole of the body of rectification module as AC power, since this low-voltage alternating-current synchronous generator is universal
Upper radiator, rectification module, lower radiator in the main frame and main frame of rectifier are metal material, therefore can be total to
With the anode and ground terminal of the DC power supply as the universal rectifier of this low-voltage alternating-current synchronous generator.
Brief description of the drawings
Fig. 1 is the universal rectifier front view of low-voltage alternating-current synchronous generator.
Fig. 2 is the universal rectifier rearview of low-voltage alternating-current synchronous generator.
Fig. 3 is the universal rectifier top view of low-voltage alternating-current synchronous generator.
Fig. 4 is the universal rectifier circuit schematic diagram of low-voltage alternating-current synchronous generator.
Wherein：1st, outer cover 2, upper radiator 3, rectification module 4, wire connection terminal 5, lower radiator 6, bottom plate
7th, fan fixes net 8, mounting hole.
Embodiment
Fig. 1 ~ 4 are the most preferred embodiments of the utility model, and 1 ~ 4 pair of the utility model is done furtherly below in conjunction with the accompanying drawings
It is bright.
As shown in Fig. 1 ~ 3, a kind of universal rectifier of low-voltage alternating-current synchronous generator, including outer cover 1, outer cover 1 are opening
Downward framework, is provided with bottom plate 6 at the lower ending opening of outer cover 1, and bottom plate 6 combines to form the synchronization of this low-voltage alternating-current with outer cover 1
The main frame of the universal rectifier of generator, the main frame that bottom plate 6 is formed with outer cover 1 is rectangular block shape and front and rear perforation.Bottom plate 6
Both ends horizontal protrude from outer cover 1 both sides formed fixed part, offer fixation respectively in the front and rear sides of every side fixed part
Hole 8, the fixation for the universal rectifier of this low-voltage alternating-current synchronous generator.
It is disposed with and dissipates from top to bottom inside the main frame of the universal rectifier of this low-voltage alternating-current synchronous generator
Hot device 2, rectification module 3 and lower radiator 5.The heating surface of upper radiator 2 is bonded with the upper surface of rectification module 3, in upper heat dissipation
Some radiating fins are formed side by side at the top of device 2；The heating surface of lower radiator 5 is bonded with the lower surface of rectification module 3, in lower heat dissipation
Some some heat emission holes through its front and rear direction are arranged side by side in the lower part of device 5.
The rectification circuit of the universal rectifier of this low-voltage alternating-current synchronous generator is integrated with rectification module 3, in rectification
Multiple wire connection terminals 4 are arranged side by side on the front end face of module 3, wire connection terminal 4 includes three AC input, for connecing
Enter A, B, C three-phase alternating current, further include a DC output terminal, it is whole for drawing the output cathode of DC power supply after rectification
Output negative pole of the body of flow module 3 as AC power, due to the master of the universal rectifier of this low-voltage alternating-current synchronous generator
Upper radiator 2, rectification module 3, lower radiator 5 in frame and main frame are metal material, therefore can be collectively as
The anode and ground terminal of the DC power supply of the universal rectifier of this low-voltage alternating-current synchronous generator.At the rear port of main frame
Be provided with fan fix net 7, fan fix net 7 inner side be provided with radiator fan, for upper radiator 2 and lower radiator
5 coordinate progress wind-cooling heat dissipating.
As shown in figure 4, the rectification circuit being arranged on rectification module 3 includes diode D1 ~ D9, wherein diode D1 ~ bis-
Pole pipe D6 forms full-wave rectifying circuit, electrically mated with A, B, C three-phase alternating current respectively, is direct current by A, B, C three-phase alternating current electric rectification
Electricity, the output cathode of full-wave rectifying circuit, A, B, C three-phase alternating current are introduced by AC input in above-mentioned wire connection terminal 4,
The output cathode of direct current is equally drawn by above-mentioned wire connection terminal 4.The anode of diode D7 ~ diode D9 connects A, B, C respectively
The input terminal of three-phase alternating current, the cathode of diode D7 ~ diode D9 are connected after being parallel at one with the positive pole of motor M1,
The power cathode of motor M1 is connected with ground terminal, and A, B, C three-phase alternating current are carried out half-wave by diode D7 ~ D9 points of diode
Rectification, the direct current that rectification obtains are powered for motor M1, and motor M1 is the above-mentioned heat dissipation that the inner side of net 7 is fixed positioned at fan
Fan.
The average rated current of diode D1 ~ D6 is 100A, and breakdown reverse voltage 500V, reverse leakage current are 5 μ A, most
High junction temperature is 175 DEG C, the parameter of the diode by setting composition full-wave rectifying circuit, the whole for forming diode D1 ~ D6
The power bracket that rectification circuit can be adapted for is wider, and it is universal whole to substantially increase this rectifier low-voltage alternating-current synchronous generator
Flow the versatility and interchangeability of device.
Specific work process and operation principle are as follows：
By A, B, C three-phase output end of synchronous alternating-current generator and exchanging in 3 front end face upper connecting terminal 4 of rectification module
Electrical input connection, after synchronous alternating-current generator is started to work, it exports ground alternating current and passes through two poles in rectification module 3
The full-wave rectifying circuit of pipe D1 ~ D6 compositions realizes rectification, and the cathode and anode of the DC power supply that rectification obtains pass through wire connection terminal 4
In DC output terminal and the universal rectifier of this low-voltage alternating-current synchronous generator body on draw respectively.
After synchronous alternating-current generator is started to work, its obtained A, B, C three-phase alternating current respectively by diode D7 ~
D9 is alternately powered after carrying out halfwave rectifier for radiator fan, and driving radiator fan rotates, with upper radiator 2 and lower radiator
5 coordinate the heat dissipation to rectification module 3.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.But it is every without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Any simple modification, equivalent variations and the remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (8)
1. a kind of universal rectifier of low-voltage alternating-current synchronous generator, including rectification circuit, it is characterised in that：It is provided with rectification mould
Block（3）, the rectification circuit is arranged on rectification module（3）On, in rectification module（3）Front end face on be provided with multiple wiring
Terminal（4）, it is provided with and rectification module（3）The radiator of cooperation, rectification module（3）It is placed at the same time in main frame with radiator.
2. the universal rectifier of low-voltage alternating-current synchronous generator according to claim 1, it is characterised in that：The main frame
Frame is the front and rear rectangular box penetrated through, includes the outer cover of lower ending opening（1）Be arranged on outer cover（1）Bottom plate at lower ending opening
（6）, bottom plate（6）Both ends horizontal protrude from outer cover（1）Both sides formed fixed part.
3. the universal rectifier of low-voltage alternating-current synchronous generator according to claim 2, it is characterised in that：In every side
The front and rear of fixed part offers mounting hole respectively（8）.
4. the universal rectifier of low-voltage alternating-current synchronous generator according to claim 1, it is characterised in that：The heat dissipation
Device includes being close to the rectification module（3）The upper radiator of top（2）Be close to the rectification module（3）The lower of lower section dissipates
Hot device（5）.
5. the universal rectifier of low-voltage alternating-current synchronous generator according to claim 1 or 4, it is characterised in that：Also set up
There is the radiator fan coordinated with the radiator, radiator fan is located at radiator and rectification module（3）Rear, in radiation air
The rear of fan is additionally provided with fan and fixes net（7）, fan fixation net（7）It is fixed at the rear port of main frame.
6. the universal rectifier of low-voltage alternating-current synchronous generator according to claim 1, it is characterised in that：The wiring
Terminal（4）It is used to draw direct current including three AC input terminals for being used to access A, B, C three-phase alternating-current supply and one
The DC output terminal of source cathode, the rectification module（3）Output negative pole of the body as AC power.
7. the universal rectifier of low-voltage alternating-current synchronous generator according to claim 1, it is characterised in that：The rectification
The full-wave rectifying circuit that circuit forms for diode D1 ~ diode D6.
8. the universal rectifier of low-voltage alternating-current synchronous generator according to claim 7, it is characterised in that：The diode
The average rated current of D1 ~ diode D6 is 100A, and breakdown reverse voltage 500V, reverse leakage current are 5 μ A, maximum junction temperature is
175℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234199.XU CN207251388U (en) | 2017-09-25 | 2017-09-25 | A kind of universal rectifier of low-voltage alternating-current synchronous generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234199.XU CN207251388U (en) | 2017-09-25 | 2017-09-25 | A kind of universal rectifier of low-voltage alternating-current synchronous generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251388U true CN207251388U (en) | 2018-04-17 |
Family
ID=61886859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721234199.XU Expired - Fee Related CN207251388U (en) | 2017-09-25 | 2017-09-25 | A kind of universal rectifier of low-voltage alternating-current synchronous generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207251388U (en) |
-
2017
- 2017-09-25 CN CN201721234199.XU patent/CN207251388U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20200925 |