CN202034861U - Polyphone generator rectifier - Google Patents
Polyphone generator rectifier Download PDFInfo
- Publication number
- CN202034861U CN202034861U CN2011200654341U CN201120065434U CN202034861U CN 202034861 U CN202034861 U CN 202034861U CN 2011200654341 U CN2011200654341 U CN 2011200654341U CN 201120065434 U CN201120065434 U CN 201120065434U CN 202034861 U CN202034861 U CN 202034861U
- Authority
- CN
- China
- Prior art keywords
- rectifier
- connects
- diode
- positive
- rectifier cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
The utility model provides a polyphase generator rectifier. Each phase comprises at least one positive rectifier element and at least one negative rectifier element, wherein the negative rectifier element includes a parallelly connected schottky diode in a homopolar connection manner, and a diode having avalanche breakdown effect, the positive pole of the schottky diode is connected with an input port and the negative pole is connected with the negative end of an output end, thereby reaching the aim of low energy consumption and high voltage protection.
Description
Technical field
The utility model is relevant with rectifier, more detailed is meant a kind of multiphase generator rectifier.
Background technology
Be typically provided with a voltage adjuster (voltage regulator) and a rectifier (rectifier) as alternating current generators such as automobile current generators, and by by above-mentioned voltage adjuster and rectifier the output of generator being converted in order to the storage battery charging or the direct current of other utilization by alternating current.
And work on hand is in the generator high voltage, the rectifier of high electric current environment, its each is by two Si semiconductor (P mutually mostly, N junction) high-voltage diode composes in series, puncture with the condition of instant error high pressure (about 250 volts) of avoiding being subjected to generator, and the forward pressure drop of above-mentioned diode (forward voltage drop) is about about 1 volt, if the electric current that generator output is 150 amperes, with the energy loss that produces 150 watts, and this energy loss is understood transformation energy heat energy and is concentrated on the rectifier, must utilize fin by heat energy is shed, overheated and burn to avoid diode.Be with, when generator output is big more, with more need with the large-area diode wafer of needs, and the fin of large volume increase the size of efficiently radiates heat area, to promote the effect of heat radiation.Yet this measure not only can cause whole volume and weight to increase, and large stretch of more wafer influence the degree of its reliability because of expanding with heat and contract with cold also big more.
In addition, in recent years, for reducing the probability that the electronic component related with generator damages because of the condition of instant error high pressure that is subjected to generator, aforesaid silicon semiconductor diode is replaced by avalanche diode (avalanche diode) gradually, with snowslide collapse (avalanche breakdown) effect of utilizing avalanche diode voltage is pinned in the nominal low-voltage (about 23 volts), damages to avoid electronic component to be subjected to the condition of instant error high pressure of generator.Yet, above-mentioned avalanche diode not only must be carried out the function of rectification, also must absorb the joule number that condition of instant error voltage is produced, this will cause avalanche diode more than the heat that aforesaid silicon semiconductor diode produces, in other words, avalanche diode is not only easier to be damaged because of overheated, also need use the fin of more large-area wafer and more volume, and causes reliability to reduce and the cost increase.
Moreover, it is the thermal effect that reduces the rectifier of big electric current output generator (heavy duty alternator) that the dealer is also arranged, two silicon semiconductor diode are in parallel to be used as one group of rectification source part and utilize, on average to share the thermal effect that is caused because of power loss.Yet, the forward pressure drop of silicon semiconductor diode belongs to negative temperature coefficient feature, and then forward pressure drop is low more when temperature is high more, and electric current will be concentrated and flows to the lower silicon semiconductor diode of forward pressure drop, to make that the high person of temperature is more and more higher, on average share electric current and can't adjust automatically.
Comprehensively the above can be learnt, known rectifier design is not attained perfect yet, and the part that still haves much room for improvement.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of multiphase generator rectifier, not only has the characteristic of low-yield consume, has more the function of high voltage protective simultaneously.
Edge is to reach above-mentioned purpose, and multiphase generator rectifier provided by the utility model includes an input port and an output port, and this output port has a positive terminal and a negative electricity end; In addition, each of this multiphase generator rectifier includes at least one positive electricity rectifier cell mutually, and an end connects this input port, and the other end connects this positive terminal of this output port; At least one negative electricity rectifier cell, an end connects this input port, and the other end connects this negative electricity end of this output port, and connects with this positive electricity rectifier cell; This negative electricity rectifier cell includes the diode that has reverse collapse (reverse breakdown) effect by a Schottky diode of homopolarity connected mode parallel connection (schottky diode) and, and the positive pole of this Schottky diode connects this input port, and the negative pole of this Schottky diode connects this negative electricity end of this output port.
Wherein, this positive electricity rectifier cell includes a Schottky diode (schottky diode), and the negative pole of the Schottky diode of this positive electricity rectifier cell connects this input port, and is anodal then connect this positive terminal of this output port.
Wherein, this positive electricity rectifier cell also comprises a diode with reverse collapse (reverse breakdown) effect, and this diode with reverse breakdown effect is in parallel with the Schottky diode of this positive electricity rectifier cell by the homopolarity connected mode.
Wherein, the diode with reverse collapse (reverse breakdown) effect of this positive electricity rectifier cell is an avalanche diode (avalanche diode).
Wherein, this diode with reverse collapse (reverse breakdown) effect is an avalanche diode (avalanche diode).
This multiphase generator rectifier includes three positive electricity rectifier cells and three negative electricity rectifier cells, and this input port includes, and a R holds mutually, a S holds mutually and a T holds mutually, wherein, this R that one end of described positive electricity rectifier cell connects this input port respectively holds mutually, this S holds mutually and this T holds mutually, and the other end then connects this positive terminal of this output port simultaneously; One end of described negative electricity rectifier cell connects this end connection of this input port respectively with this corresponding positive electricity rectifier cell, the other end then connects this negative electricity end of this output port simultaneously.
This multiphase generator rectifier includes four positive electricity rectifier cells and four negative electricity rectifier cells, and this input port includes, and a R holds mutually, a S holds mutually, a T holds mutually and a N phase centre tap end, wherein, this R that one end of described positive electricity rectifier cell connects this input port respectively holds mutually, this S holds mutually, this T holds mutually and this N phase centre tap end, and the other end then connects this positive terminal of this output port simultaneously; One end of described negative electricity rectifier cell connects this end connection of this input port respectively with this corresponding positive electricity rectifier cell, the other end then connects this negative electricity end of this output port simultaneously.
The beneficial effects of the utility model are: it not only has the characteristic of low-yield consume, has more the function of high voltage protective simultaneously.
Description of drawings
For being illustrated more clearly in the utility model, enumerate below that preferred embodiment and conjunction with figs. describe in detail as after, wherein:
Fig. 1 is the circuit diagram of the utility model first preferred embodiment.
Current direction when Fig. 2 is the positive rectification of above-mentioned the utility model first preferred embodiment.
Current direction when Fig. 3 is above-mentioned the utility model first preferred embodiment negative rectifier.
Fig. 4 is the circuit diagram of the utility model second preferred embodiment.
Fig. 5 discloses the Y that the utility model also is applicable to and connects threephase generator.
Fig. 6 discloses the Y that the utility model also is applicable to and connects the three-phase and four-line generator.
Embodiment
See also Fig. 1, be the multiphase generator rectifier 1 of the utility model first preferred embodiment, export after the alternating current that produces in order to threephase generator that a △ is connect 100 converts direct current to.This multiphase generator rectifier 1 includes an input port 10, an output port 20, three groups of positive electricity rectifier cell 31-33 and three groups of negative electricity rectifier cell 41-43.Wherein:
This input port 10 is in order to receiving the three-phase alternating current that threephase generator 100 produces, and this input port includes that R holds 11 mutually, S hold mutually 12 and T hold 13 mutually, and respectively with the R of this threephase generator 100 mutually, S reaches T mutually and is connected.
This output port 20 is in order to direct current output that will obtain after the rectification, and this output port 20 has a positive terminal 21 and a negative electricity end 22, in order to represent the galvanic positive pole and the negative pole of this multiphase generator rectifier 1 output respectively.
This three positive electricity rectifier cell 31-33 is respectively R phase positive electricity rectifier cell 31, S phase positive electricity rectifier cell 32 and T phase positive electricity rectifier cell 33, the end of described positive electricity rectifier cell 31-33 is connected with the positive terminal 21 of this output port 20 simultaneously, the other end then the R of corresponding respectively this input port 10 of connection hold 11 mutually, S hold mutually 12 and T hold 13 mutually.Described positive electricity rectifier cell 31-33 includes the avalanche diode AD (avalanche diode) that has reverse collapse (reverse breakdown) effect by a Schottky diode SD (schottky diode) and of homopolarity connected mode parallel connection respectively, and the positive pole of the Schottky diode SD of described positive electricity rectifier cell 31-33 connects the positive terminal 21 of this output port 20, and negative pole then connects this input port 10.
Described negative electricity rectifier cell 41-43 is respectively R phase negative electricity rectifier cell 41, S phase negative electricity rectifier cell 42 and T phase negative electricity rectifier cell 43.The end of described negative electricity rectifier cell 41-43 is connected with the negative electricity end 22 of this output port 20 simultaneously, and the other end then connects this end connection of this input port 10 respectively with corresponding this positive electricity rectifier cell 31-33.Respectively this negative electricity rectifier cell 41-43 includes a Schottky diode SD (schottky diode) and the avalanche diode AD (avalanche diode) by the parallel connection of homopolarity connected mode equally, and the positive pole of the Schottky diode SD of described negative electricity rectifier cell 41-43 connects this input port 10, and negative pole then connects the negative electricity end 22 of this output port 20.
Use the purpose of Schottky diode SD to be that it hangs down the characteristic of forward pressure drop (approximately less than 0.6 volt), to make this multiphase generator rectifier 1 when rectification, electric current will be concentrated to flow to along piezometric and fall lower Schottky diode SD, and under fixed current, low more forward pressure drop will make power dissipation low more, and the heat energy that power loss produced also will with low more, in other words, the wafer area that it is required and fin volume will therefore and significantly reduce.
See also Fig. 2, R-S phase power supply with this threephase generator 100 is an example, when R-S phase power supply is positive voltage, after electric current is held 11 inflows mutually and is passed through the Schottky diode SD of this R phase positive electricity rectifier cell 31 by this R, positive terminal 21 by this output port 20 exports a load 200 (as storage battery) to, negative electricity end 22 by output port 20 flows into again, holds 12 to flow out through the Schottky diode SD of this S phase negative electricity rectifier cell 42 of forming series loop mutually by S at last.Otherwise, when the R-S of this threephase generator 100 phase power supply is illustrated in figure 3 as negative voltage, after electric current is held 12 inflows mutually and is passed through the Schottky diode SD of this S phase positive electricity rectifier cell 32 by this S, positive terminal 21 by this output port 20 exports this load 200 to, negative electricity end 22 by output port 20 flows into again, holds 11 to flow out through the Schottky diode SD of this R phase negative electricity rectifier cell 41 of forming series loop mutually by R at last.Thus, utilize above-mentioned Fig. 2 to cooperate and reach the purpose of full-wave rectification with Fig. 3.And the rectification principle of the rectification principle of S-T phase power supply and T-R phase power supply and above-mentioned R-S phase power supply is identical, repeats no more in this appearance.
In addition, the purpose that Schottky diode SD is in parallel with avalanche diode AD is Schottky diode SD except that the characteristic with low forward pressure drop, also be attended by the characteristic of low oppositely withstand voltage (the highest being about about 200 volts), therefore, in the rectification environment of these threephase generator 100 high voltages, high electric current, will cause Schottky diode SD to be damaged easily by the condition of instant error high-voltage breakdown.Be with, by Schottky diode SD is in parallel with avalanche diode AD, when this threephase generator 100 produces the condition of instant error high pressure, to cause the reverse collapse of this avalanche diode AD and produce reverse breakdown voltage (about 19-23 volt), and the joule number that the condition of instant error high pressure produces will be absorbed by avalanche diode AD, to make the voltage at Schottky diode SD two ends be controlled in the reverse breakdown voltage of this avalanche diode AD, in other words, Schottky diode SD's is reverse withstand voltage as long as the facts that design can be avoided burning about 25 volts takes place.In addition, Schottky diode SD has oppositely withstand voltage low more simultaneously, and it is the low more characteristic of pressure drop forward, be with, the reverse withstand voltage design of Schottky diode SD will make it have lower forward pressure drop simultaneously when 25 volts low pressure, and the power dissipation when causing its rectification also will with reduction.Moreover, the joule number in the time of needn't carrying out rectification and only be responsible for to absorb the condition of instant error high pressure and produce because of avalanche diode AD, will be not can be because of multitask causes temperature too high, and make that therefore wafer area that it is required and fin volume same and significantly reduce.
Seeing also Fig. 4, be the multiphase generator rectifier 2 of the utility model second preferred embodiment, is to export after converting direct current in order to the alternating current that the threephase generator 100 that this △ is connect produces equally.This multiphase generator rectifier 2 includes an input port 50, an output port 60 and three groups of negative electricity rectifier cell 81-83 of structure same as the previously described embodiments, holds repeating no more therewith.And be in each positive electricity rectifier cell 71-73 of this multiphase generator rectifier 2 different with the foregoing description only has single Schottky diode SD; the purpose of above-mentioned design is because the actual flow direction of electronics is and opposite current in the circuit; in other words; when the condition of instant error high pressure of this threephase generator 100 produces; electronics will move toward described negative electricity rectifier cell 81-83 in a large number; be with; the avalanche diode AD of described negative electricity rectifier cell 81-83 be as long as design can share to fall the joule number that condition of instant error voltage produced, and can reach the purpose that the described Schottky diode DS of protection can not burnt by the condition of instant error high pressure equally.In addition,, can reduce whole wafer area and fin volume, further reach the effect that reduces cost because of the total number of components in inside reduces.
Mandatory declaration be, multiphase generator rectifier of the present utility model is an example with first embodiment except that being applicable to this threephase generator 100 that above-mentioned △ connects, the Y that this multiphase generator rectifier 1 also is equally applicable to as shown in Figure 5 connects on the threephase generator 300; Or as shown in Figure 6, one group of N phase positive electricity rectifier cell 34 and one group of N phase negative electricity rectifier cell 44 of increasing under the member basis of this multiphase generator rectifier 1 more, and at the input port N phase centre tap ends 14 that increase more, connect on the three-phase and four-line generator 400 to be used in Y, and effect that it is reached and the various embodiments described above are as good as, and repeat no more in this appearance.Certainly, except that above-mentioned threephase generator, the utility model also is applicable to the multiphase generator of other structure.Except that described this multiphase generator rectifier 1 of first embodiment, this multiphase generator rectifier 2 of second embodiment also can reach identical effect.
In addition; the utility model is except that using avalanche diode; (Transient Voltage Suppressor TVS) reaches the effect of high voltage protective also can to use the Zener diode (zener diode) that has reverse collapse (reverse breakdown) effect equally or Transient Voltage Suppressor on demand instead.
Moreover, as long as in the negative electricity rectifier cell, use the Schottky diode (schottky diode) of homopolarity connected mode parallel connection and an avalanche diode (avalanche diode) to reach the purpose that low power consuming and high pressure prevent, its positive electricity rectifier cell no matter use which kind of member to reach the purpose of rectification also belongs to of the present utility model other and implements aspect.
Comprehensively the above can learn that multiphase generator rectifier of the present utility model not only has the characteristic of low-yield consume, has more the function of high voltage protective simultaneously.
The above only is the preferable possible embodiments of the utility model, and equivalent structure that every application the utility model specification and claim are done and manufacture method change, and ought to be included in the claim scope of the present utility model.
Claims (7)
1. a multiphase generator rectifier is characterized in that, includes an input port and an output port, and this output port has a positive terminal and a negative electricity end; In addition, each of this multiphase generator rectifier includes mutually:
At least one positive electricity rectifier cell, an end connects this input port, and the other end connects this positive terminal of this output port;
At least one negative electricity rectifier cell, an end connects this input port, and the other end connects this negative electricity end of this output port, and connects with this positive electricity rectifier cell; This negative electricity rectifier cell includes the diode that has reverse breakdown effect by a Schottky diode and of homopolarity connected mode parallel connection, and the positive pole of this Schottky diode connects this input port, and the negative pole of this Schottky diode connects this negative electricity end of this output port.
2. multiphase generator rectifier as claimed in claim 1, it is characterized in that wherein, this positive electricity rectifier cell includes a Schottky diode, and the negative pole of the Schottky diode of this positive electricity rectifier cell connects this input port, and is anodal then connect this positive terminal of this output port.
3. multiphase generator rectifier as claimed in claim 2, it is characterized in that, wherein, this positive electricity rectifier cell also comprises a diode with reverse breakdown effect, and this diode with reverse breakdown effect is in parallel with the Schottky diode of this positive electricity rectifier cell by the homopolarity connected mode.
4. multiphase generator rectifier as claimed in claim 3 is characterized in that, wherein, the diode with reverse breakdown effect of this positive electricity rectifier cell is an avalanche diode.
5. multiphase generator rectifier as claimed in claim 1 is characterized in that, wherein, this diode with reverse breakdown effect is an avalanche diode.
6. multiphase generator rectifier as claimed in claim 1 is characterized in that, include three positive electricity rectifier cells and three negative electricity rectifier cells, and this input port includes, and a R holds mutually, a S holds mutually and a T holds mutually, wherein, this R that one end of described positive electricity rectifier cell connects this input port respectively holds mutually, this S holds mutually and this T holds mutually, and the other end then connects this positive terminal of this output port simultaneously; One end of described negative electricity rectifier cell connects this end connection of this input port respectively with this corresponding positive electricity rectifier cell, the other end then connects this negative electricity end of this output port simultaneously.
7. multiphase generator rectifier as claimed in claim 1, it is characterized in that, include four positive electricity rectifier cells and four negative electricity rectifier cells, and this input port includes, and a R holds mutually, a S holds mutually, a T holds mutually and a N phase centre tap end, wherein, this R that one end of described positive electricity rectifier cell connects this input port respectively holds mutually, this S holds mutually, this T holds mutually and this N phase centre tap end, and the other end then connects this positive terminal of this output port simultaneously; One end of described negative electricity rectifier cell connects this end connection of this input port respectively with this corresponding positive electricity rectifier cell, the other end then connects this negative electricity end of this output port simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200654341U CN202034861U (en) | 2011-02-09 | 2011-03-14 | Polyphone generator rectifier |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110036191 | 2011-02-09 | ||
| CN201110036191.3 | 2011-02-09 | ||
| CN2011200654341U CN202034861U (en) | 2011-02-09 | 2011-03-14 | Polyphone generator rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034861U true CN202034861U (en) | 2011-11-09 |
Family
ID=44897145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200654341U Expired - Fee Related CN202034861U (en) | 2011-02-09 | 2011-03-14 | Polyphone generator rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904961A (en) * | 2012-12-28 | 2014-07-02 | 车王电子股份有限公司 | Direct-current motor module and power drive device thereof |
| CN103959629A (en) * | 2011-11-24 | 2014-07-30 | 庞巴迪运输有限公司 | Double rectifier for multi-phase contactless energy transfer system |
-
2011
- 2011-03-14 CN CN2011200654341U patent/CN202034861U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959629A (en) * | 2011-11-24 | 2014-07-30 | 庞巴迪运输有限公司 | Double rectifier for multi-phase contactless energy transfer system |
| US9584040B2 (en) | 2011-11-24 | 2017-02-28 | Bombardier Transportation Gmbh | Double-rectifier for a multi-phase contactless energy transmission system |
| CN103904961A (en) * | 2012-12-28 | 2014-07-02 | 车王电子股份有限公司 | Direct-current motor module and power drive device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102857107B (en) | DC to DC power converters and the method for controlling the power converter | |
| Jyothi et al. | An optimal energy management system for pv/battery standalone system | |
| Majaw et al. | Solar charge controllers using MPPT and PWM: A review | |
| US9293923B2 (en) | Energy storage system and controlling method of the same | |
| CA2774982A1 (en) | Solar power distribution system | |
| EP2760123A3 (en) | Cascaded H-Bridge Converter with transformer based cell power balancing in each voltage level | |
| KR20140097628A (en) | temperature controlling system of battery and controlling method thereof | |
| KR20140092978A (en) | temperature controlling system of battery and controlling method thereof | |
| TWI451661B (en) | Alternating current photovoltaic module and method for dispatching electricity | |
| US20150177768A1 (en) | Portable green power device | |
| Bhoye et al. | An analysis of one MW photovoltaic solar power plant design | |
| CN202034861U (en) | Polyphone generator rectifier | |
| Basyoni et al. | Design, sizing and implementation of a PV system for powering a living room | |
| CN209731138U (en) | A kind of energy-storage system of photovoltaic power generation | |
| JP6513002B2 (en) | Solar power system | |
| Zheng et al. | Distributed control for modular plug-and-play subpanel photovoltaic converter system | |
| JP2016019415A (en) | Power supply system for photovoltaic power generation | |
| CN102624251A (en) | Multi-phase generator rectifier | |
| Kumar | Modeling and simulation of hybrid Wind/Photovoltaic stand-alone generation system | |
| Bakas et al. | Solar PV array-inverter matching considering impact of environmental conditions | |
| Jain et al. | Solar home lighting system with AC and DC loads | |
| CN203629019U (en) | Hybrid electric water heater | |
| KR101048207B1 (en) | Solar cell module | |
| CN203617724U (en) | Solar power station intelligent grid connection power generation device system | |
| Zulu et al. | Power Flow and Fault Analysis Simulation For A PV/Wind Hybrid DC Microgrid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20150314 |
|
| EXPY | Termination of patent right or utility model |