CN110198129A - A kind of powerful synchronous rectification high frequency switch power - Google Patents
A kind of powerful synchronous rectification high frequency switch power Download PDFInfo
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- CN110198129A CN110198129A CN201910558606.XA CN201910558606A CN110198129A CN 110198129 A CN110198129 A CN 110198129A CN 201910558606 A CN201910558606 A CN 201910558606A CN 110198129 A CN110198129 A CN 110198129A
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- high frequency
- transformer
- frequency switch
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 36
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims description 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- 239000004411 aluminium Substances 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
- H02M7/2195—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration the switches being synchronously commutated at the same frequency of the AC input voltage
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a kind of powerful synchronous to rectify high frequency switch power, including cabinet, first conductive bus bar, second conductive bus bar, transformer, main control circuit, three-phase input rectistack, rectifier bridge module circuit board, copped wave module and the second rectification module, first conductive bus bar is located at the top of the second conductive bus bar, and first conductive bus bar and the second conductive bus bar it is parallel and be inserted into cabinet with being staggered, one end of conductive diplopore busbar is connect with main control circuit, the other end of conductive diplopore busbar stretches out outside cabinet, multiple transformers are fixedly arranged on the lower section of the first conductive bus bar along the extending direction of the first conductive bus bar, second rectification module is set on the first conductive bus bar and transformer, copped wave module, three-phase input rectistack and rectifier bridge module circuit board are set on the second conductive bus bar.The arrangement of each component of Switching Power Supply provided by the invention is simple, reasonable, and structure section gathers, and is easily installed, disassembles and maintains, good heat dissipation effect.
Description
Technical field
The present invention relates to power supply device technical fields, rectify high frequency switch power more particularly to a kind of powerful synchronous.
Background technique
Currently, with the high speed development of power electronic technique, the work of power electronic equipment and people, life relationship day
It is beneficial close, and electronic equipment all be unable to do without reliable power supply.Since high frequency switch power has than traditional power frequency DC power supply
The advantages that small in size, light-weight and high-efficient, is widely used in occasions such as electrolysis, the electrochemistry of high current.
Currently, well known high frequency switch power high frequency transformer assembling structure is by after transformer, circuit module, transformer and rectifying
Partial Schottky tube or rectifier diode etc. are constituted.The deficiency of this structure are as follows: device arrangements dispersion is not easy to install, tear open
It unloads；It is larger using Schottky tube or rectifies loss；It is easily interfered with each other between each device, heat dissipation effect is poor.
To solve the above-mentioned problems, application No. is a kind of 201220248264.5 powerful synchronous rectification high frequency switch power dresses
Distribution structure discloses a kind of powerful synchronous rectification high frequency switch power assembling structure, including cabinet, conductive diplopore busbar, transformation
Device, circuit board and control trigger circuit, the conductive diplopore busbar, transformer, circuit board and control trigger circuit are mounted on
Cabinet inside, the sensor and reactor are respectively fitted on conductive diplopore busbar, and conductive diplopore busbar parallel inserted exists
In cabinet, one end is connect with control trigger circuit, and the other end is drawn outside cabinet；Among the conductive diplopore busbar of parallel arrangement
Several transformers of fixed and arranged, while it is fixed on the surface thereof to be provided with circuit board.
The powerful synchronous rectifies high frequency switch power assembling structure and uses synchronous rectification mode, brilliant with field of electric force effect
Body pipe replaces Schottky tube or rectifier diode, the loss reduced to improve efficiency；It is set simultaneously using integrated and modularization
Meter, is easily installed, disassembles and maintains, solve the problems, such as that component is fixed and cooled down, conductive diplopore busbar parallel arrangement and setting
Shielding can effectively makes each component work independent, reduces interference of the electromagnetic field to route and device.
However, at least there is defect below in above-mentioned powerful synchronous rectification high frequency switch power assembling structure: 1) leading for two
Electric diplopore busbar is arranged in parallel, and transformer setting reduces the heat dissipation effect of transformer between two conductive diplopore busbars
Fruit；2) transformer arrangement of above-mentioned Switching Power Supply is between two conductive diplopore busbars, and other component is respectively partially disposed on
On two conductive diplopore busbars, that is, form global interlayers structure, it should be understood that the frequency that Switching Power Supply needs to overhaul is higher, is carrying out
Since sandwich disassembly is relatively complicated when maintenance, thus the movable progress of progress and assembling of work not easy to overhaul.
Summary of the invention
In order to overcome the deficiencies of the prior art, the invention discloses a kind of powerful synchronous to rectify high frequency switch power.
To achieve the above object, the invention is realized by the following technical scheme:
The embodiment of the invention discloses a kind of powerful synchronous to rectify high frequency switch power, including cabinet, the first conductive bus bar, the
Two conductive bus bars, transformer, main control circuit, three-phase input rectistack, rectifier bridge module circuit board, copped wave module and second are whole
Flow module, first conductive bus bar are located at the top of the second conductive bus bar, and first conductive bus bar and the second conductive mother
Row is parallel and is inserted into the cabinet with being staggered, one end of first conductive bus bar and the second conductive bus bar and main control electricity
The other end of road connection, first conductive bus bar and the second conductive bus bar stretches out outside the cabinet, multiple transformer edges
The extending direction of first conductive bus bar is fixedly arranged on the lower section of first conductive bus bar, and second rectification module is set to institute
It states on the first conductive bus bar and transformer, the copped wave module, three-phase input rectistack and rectifier bridge module circuit board are set to institute
It states on the second conductive bus bar；
The input terminal of the three-phase input rectistack is connect with power grid, and output end exports direct current；
The input terminal of the rectifier bridge module circuit board is electrically connected with the output end of the three-phase input rectistack, output end output
Smooth direct current；
The copped wave module input is directly or indirectly electrically connected with the output end of the rectifier bridge module circuit board, and output end is defeated
High-frequency alternating current out；
The input terminal of the transformer is electrically connected with the output end of the copped wave module, and the output end of the transformer exports transformation
Alternating current afterwards；
The input terminal of second rectification module is electrically connected with the output end of the transformer, the output of second rectification module
End output direct current；
First conductive bus bar is electrically connected with the output end of second rectification module.
One of as a preferred solution of the present invention, the copped wave module includes insulated gate bipolar transistor and IGBT driving
Plate, the insulated gate bipolar transistor are connect with the IGBT driving board signal；
Second rectification module includes metal-oxide-semiconductor and metal-oxide-semiconductor driving plate, and the metal-oxide-semiconductor is connected with metal-oxide-semiconductor driving partitioned signal；
The IGBT driving board is connect with metal-oxide-semiconductor driving partitioned signal.
One of as a preferred solution of the present invention, the insulated gate bipolar transistor is fixedly arranged on second conductive bus bar
Top, the IGBT driving board is fixedly arranged on the insulated gate bipolar transistor.
One of as a preferred solution of the present invention, first conductive bus bar includes plate ontology and is set to described flat
The U-type groove along plate ontology extending direction setting above plate ontology, the metal-oxide-semiconductor driving plate are fixedly arranged on the U-type groove
Top end face on；
It is fixedly arranged on multiple metal-oxide-semiconductors on the side wall of the U-type groove, the side wall of each metal-oxide-semiconductor and the corresponding transformer
It is connected between side wall by a busbar, is exported after the metal-oxide-semiconductor synchronous rectification by the first conductive bus bar.
One of as a preferred solution of the present invention, the three-phase input rectistack is fixedly arranged on second conductive bus bar,
The rectifier bridge module circuit board sets the top of the three-phase input rectistack.
One of as a preferred solution of the present invention, powerful synchronous rectification high frequency switch power further includes connection aluminium sheet,
The connection aluminium sheet is set on the bottom face in the cabinet, and the bottom end of the transformer is fixedly arranged on the connection aluminium sheet
Top, second conductive bus bar are also fixedly arranged on the connection aluminium sheet.
One of as a preferred solution of the present invention, it further includes sensor and electricity which, which rectifies high frequency switch power,
Anti- device, the sensor and reactor are sheathed on respectively on first conductive bus bar and the second conductive bus bar.
One of as a preferred solution of the present invention, powerful synchronous rectification high frequency switch power further include filter capacitor and
Primary inductance, the filter capacitor and primary inductance are electrically connected with the transformer respectively, and three forms LLC circuit.
One of as a preferred solution of the present invention, the main control board is installed in the shielding box of described cabinet one end,
The filter capacitor is fixedly arranged on the inner sidewall of the shielding box, and the filter capacitor is located in the cabinet.
One of as a preferred solution of the present invention, the primary inductance is fixedly arranged on second conductive bus bar.
One of as a preferred solution of the present invention, silicon dioxide insulating layer is used between the grid and source electrode of the metal-oxide-semiconductor
Isolation.
One of as a preferred solution of the present invention, transformer uses aluminum hull heat dissipation type transformer.
Compared with prior art, the present invention has at least the following advantages:
1) the arrangement advantages of simple of each component of Switching Power Supply provided by the invention, structure section gather.
2) present invention employs synchronous rectification modes reduces damage with metal-oxide-semiconductor instead of Schottky tube or rectifier diode
Consumption, improves efficiency；Each component is integrated and modularization, is easily installed, disassembles and maintains；Especially the first conductive bus bar and
Two conductive bus bars are parallel up and down and are arranged in a staggered manner, and other component is respectively partly installed in the first conductive bus bar and the second conduction
Busbar, such this misconstruction is more conducive to installing, disassemble and maintain, and solves the fixation of component.
3) the first conductive bus bar and the second conductive bus bar in parallel and are arranged in a staggered manner up and down, and other component is respectively partly installed in
First conductive bus bar and the second conductive bus bar, can be with increasing heat radiation area, thus good heat dissipation effect.
4) between connection aluminium sheet and the first conductive bus bar, transformer uses aluminum hull heat dissipation type transformer for transformer setting,
Transformer itself and the first conductive bus bar are transformer and other component heat dissipation jointly, reduce the use of conductive bus bar, avoid
Cooling circuit is complicated and is unfavorable for assembling and repair.
5) present invention includes two rectification modules (rectifier bridge module circuit board and the second rectification module) and a copped wave mould
Power grid alternating current can be rectified into first direct current by block, rectifier bridge module circuit board, then pass through copped wave module for direct current
It is changed into high-frequency alternating current, volume of transformer needed for high-frequency alternating current transformation is smaller, reduces the overall volume of Switching Power Supply, most
Rectification output is carried out to the alternating current through transformer transformation by the second rectification module afterwards.
6) high-frequency synchronous rectifier switch power supply provided by the invention, IGBT driving board is connect with metal-oxide-semiconductor driving partitioned signal, real
Existing copped wave module is synchronous with the second rectification module to be driven.
7) present invention master control circuit board is set in shielding box, can dust protection, can also prevent electromagnetic interference.
8) filter capacitor, primary inductance and transformer form LLC circuit, and LLC circuit can be in input voltage and the big model of load
Output is adjusted in the case where enclosing variation, the variation of Simultaneous Switching frequency is relatively small.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.
Fig. 1 is a kind of structural schematic diagram of powerful synchronous rectification high frequency switch power disclosed in the embodiment of the present invention；
Fig. 2 is a kind of partial structural diagram of powerful synchronous rectification high frequency switch power disclosed in the embodiment of the present invention；
Fig. 3 is a kind of working principle diagram of powerful synchronous rectification high frequency switch power disclosed in the embodiment of the present invention.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, to enable those skilled in the art's reference
Specification word can be implemented accordingly.
Referring to shown in Fig. 1-2, the embodiment of the invention discloses a kind of powerful synchronous to rectify high frequency switch power, including leads
Electricity row 1, cabinet 2, main control circuit 3, filter capacitor 4, primary inductance 5, copped wave module (IGBT driving board 6, insulated gate bipolar
Transistor 7), rectifier bridge module circuit board 8(abbreviation pole plate), three-phase input rectistack 9, connection aluminium sheet 10, reactor 11, transformation
Device 12, the first conductive bus bar 13, current sensor 14, the second rectification module (metal-oxide-semiconductor driving plate 15, metal-oxide-semiconductor 16) and second are led
Goddess of lightning row 17, wherein insulated gate bipolar transistor 7 is connect with 6 signal of IGBT driving board, metal-oxide-semiconductor 16 and metal-oxide-semiconductor driving plate 15
Signal connection, IGBT driving board 6 is connect with 15 signal of metal-oxide-semiconductor driving plate, and IGBT driving board 6 is divided with metal-oxide-semiconductor driving plate 15
It is not electrically connected with main control circuit 3；
First conductive bus bar 13 is located at the top of the second conductive bus bar 17, and the first conductive bus bar 13 and the second conductive bus bar 17 are flat
It goes and is inserted into cabinet 2 with being staggered, one end of the first conductive bus bar 13 and the second conductive bus bar 17 and main control circuit 3 connect
It connects, the other end of the first conductive bus bar 13 and the second conductive bus bar 17 stretches out outside cabinet 2, and multiple transformers 12 are conductive female along first
The extending direction of row 13 is fixedly arranged on the lower section of the first conductive bus bar 13, and the second rectification module is set to the first conductive bus bar 13 and transformation
On device 12, copped wave module, three-phase input rectistack 9 and rectifier bridge module circuit board 8 are set on the second conductive bus bar 17；
The input terminal of three-phase input rectistack 9 is connect with power grid, and output end exports direct current；
The input terminal of rectifier bridge module circuit board 8 is electrically connected with the output end of three-phase input rectistack 9, output end output smoothing
Direct current；
Copped wave module input is directly or indirectly electrically connected with the output end of rectifier bridge module circuit board 8, and output end exports high frequency
The output end of alternating current, in particular to the insulated gate bipolar transistor of copped wave module 7 and rectifier bridge module circuit board 8 directly or
Electrical connection indirectly；
The input terminal of transformer 12 is electrically connected with the output end of copped wave module, the exchange after the output end output transformation of transformer 12
The output end of the insulated gate bipolar transistor 7 of the input terminal and copped wave module of electricity, in particular to transformer 12 is electrically connected；
The input terminal of second rectification module is electrically connected with the output end of transformer 12, and the output end of the second rectification module exports direct current
The input terminal of the metal-oxide-semiconductor 16 of electricity, in particular to the second rectification module is electrically connected with the output end of transformer 12；
First conductive bus bar 13 is electrically connected with the output end of the second rectification module, in particular to the first conductive bus bar 13 and second whole
The output end of the metal-oxide-semiconductor 16 of flow module is electrically connected.
Wherein, insulated gate bipolar transistor 7 is fixedly arranged on the top of the second conductive bus bar 17, and IGBT driving board 6 is fixedly arranged on
On insulated gate bipolar transistor 7.
First conductive bus bar 13 include plate ontology 131 and be set to the top of plate ontology 131 along plate ontology 131
The U-type groove 132 of extending direction setting, metal-oxide-semiconductor driving plate 15 are fixedly arranged on the top end face of U-type groove 132；On the side wall of U-type groove 132
Multiple metal-oxide-semiconductors 16 are fixedly arranged on, are connected between the side wall of each metal-oxide-semiconductor 16 and the side wall of corresponding transformer 12 by a busbar 1
It connects, is exported after 16 synchronous rectification of metal-oxide-semiconductor by the first conductive bus bar 13.
Three-phase input rectistack 9 is fixedly arranged on the second conductive bus bar 17, and rectifier bridge module circuit board 8 sets three-phase input rectification
The top of heap 9.
Connection aluminium sheet 10 is set on the bottom face in cabinet 2, and the bottom end of transformer 12 is fixedly arranged on connection aluminium sheet 10
Top, the second conductive bus bar 17 are also fixedly arranged on connection aluminium sheet 10.
Current sensor 14 and reactor 11 are sheathed on respectively on the first conductive bus bar 13 and the second conductive bus bar 17, electric current
The detection of sensor 14 output electric current simultaneously feeds back to master control circuit board 3.Reactor 11 can make the ripple system of the electric current of output
Number becomes smaller, and the electric current of output is more smooth.
Filter capacitor 4 and primary inductance 5 are electrically connected with transformer 12 respectively, and three forms LLC circuit, primary inductance 5
It is fixedly arranged on the second conductive bus bar 17, and primary inductance 5 is located at the side of insulated gate bipolar transistor 7 and IGBT driving board 6
And far from three-phase input rectistack 9 and rectifier bridge module circuit board 8.
Main control board is installed in the shielding box of 2 one end of cabinet, and filter capacitor 4 is fixedly arranged on the inner sidewall of shielding box,
And filter capacitor 4 is located in cabinet 2.
It is isolated between the grid and source electrode of metal-oxide-semiconductor 16 using silicon dioxide insulating layer, transformer 12 uses aluminum hull heat dissipation type
Transformer 12.
As shown in figure 3, the working principle of powerful synchronous rectification high frequency switch power provided by the invention is as follows:
The 380V alternating current of power grid obtains DC power supply by three-phase input rectistack 9；DC power supply passes through rectifier bridge module electricity
Road plate 8 is rectified to obtain smooth DC power supply；It is high-frequency ac by crossing copped wave module for the direct current copped wave after rectification
Electricity；Transformation is carried out by transformer 12；It is rectified into direct current again finally by the second rectification module, passes through the first conductive bus bar
13 and second conductive bus bar 17 export；Wherein, during the direct current copped wave after rectification is high-frequency alternating current by copped wave module,
The IGBT driving board 6 of copped wave module to the metal-oxide-semiconductor driving plate 15 of the second rectification module send signal, the second rectification module according to
The signal of metal-oxide-semiconductor driving plate 15 rectifies the alternating current after transformation, realizes copped wave and the second rectification module of copped wave module
Commutation synchronization.
Various modifications to these embodiments will be readily apparent to those skilled in the art, herein
Defined General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and new
The consistent widest scope of clever feature.
Claims (10)
1. a kind of powerful synchronous rectifies high frequency switch power, it is characterised in that: led including cabinet, the first conductive bus bar, second
Goddess of lightning row, transformer, main control circuit, three-phase input rectistack, rectifier bridge module circuit board, copped wave module and the second rectification mould
Block, first conductive bus bar is located at the top of the second conductive bus bar, and first conductive bus bar and the second conductive bus bar are flat
It goes and is inserted into the cabinet with being staggered, one end of first conductive bus bar and the second conductive bus bar and main control circuit connect
It connects, the other end of first conductive bus bar and the second conductive bus bar stretches out outside the cabinet, and multiple transformers are described in
The extending direction of first conductive bus bar is fixedly arranged on the lower section of first conductive bus bar, and second rectification module is set to described the
On one conductive bus bar and transformer, the copped wave module, three-phase input rectistack and rectifier bridge module circuit board are set to described the
On two conductive bus bars；
The input terminal of the three-phase input rectistack is connect with power grid, and output end exports direct current；
The input terminal of the rectifier bridge module circuit board is electrically connected with the output end of the three-phase input rectistack, output end output
Smooth direct current；
The copped wave module input is directly or indirectly electrically connected with the output end of the rectifier bridge module circuit board, and output end is defeated
High-frequency alternating current out；
The input terminal of the transformer is electrically connected with the output end of the copped wave module, and the output end of the transformer exports transformation
Alternating current afterwards；
The input terminal of second rectification module is electrically connected with the output end of the transformer, the output of second rectification module
End output direct current；
First conductive bus bar is electrically connected with the output end of second rectification module.
2. a kind of powerful synchronous according to claim 1 rectifies high frequency switch power, it is characterised in that: the copped wave mould
Block includes insulated gate bipolar transistor and IGBT driving board, and the insulated gate bipolar transistor and the IGBT driving board are believed
Number connection；
Second rectification module includes metal-oxide-semiconductor and metal-oxide-semiconductor driving plate, and the metal-oxide-semiconductor is connected with metal-oxide-semiconductor driving partitioned signal；
The IGBT driving board is connect with metal-oxide-semiconductor driving partitioned signal.
3. a kind of powerful synchronous according to claim 2 rectifies high frequency switch power, it is characterised in that: the insulated gate
Bipolar junction transistor is fixedly arranged on the top of second conductive bus bar, and the IGBT driving board is fixedly arranged on the insulated gate bipolar
On transistor.
4. a kind of powerful synchronous according to claim 2 rectifies high frequency switch power, it is characterised in that: described first leads
The goddess of lightning row include plate ontology and be set to above the plate ontology along the plate ontology extending direction setting it is U-shaped
Slot, the metal-oxide-semiconductor driving plate are fixedly arranged on the top end face of the U-type groove；
It is fixedly arranged on multiple metal-oxide-semiconductors on the side wall of the U-type groove, the side wall of each metal-oxide-semiconductor and the corresponding transformer
It is connected between side wall by a busbar, is exported after the metal-oxide-semiconductor synchronous rectification by the first conductive bus bar.
5. a kind of powerful synchronous according to claim 1 rectifies high frequency switch power, it is characterised in that: the three-phase is defeated
Enter rectistack to be fixedly arranged on second conductive bus bar, the rectifier bridge module circuit board sets the upper of the three-phase input rectistack
Side.
6. a kind of powerful synchronous according to claim 1 rectifies high frequency switch power, it is characterised in that: this is high-power same
Step rectification high frequency switch power further includes connection aluminium sheet, and the connection aluminium sheet is set on the bottom face in the cabinet, described
The bottom end of transformer is fixedly arranged on the top of the connection aluminium sheet, and second conductive bus bar is also fixedly arranged on the connection aluminium sheet
On.
7. a kind of powerful synchronous according to claim 1 to 6 rectifies high frequency switch power, it is characterised in that:
It further includes sensor and reactor that the powerful synchronous, which rectifies high frequency switch power, and the sensor and reactor are sheathed on respectively
On first conductive bus bar and the second conductive bus bar；And/or transformer uses aluminum hull heat dissipation type transformer.
8. a kind of powerful synchronous according to claim 1 to 6 rectifies high frequency switch power, it is characterised in that:
Powerful synchronous rectification high frequency switch power further includes filter capacitor and primary inductance, and the filter capacitor and primary inductance divide
It is not electrically connected with the transformer, and three forms LLC circuit.
9. a kind of powerful synchronous according to claim 8 rectifies high frequency switch power, it is characterised in that: the master control electricity
Road plate is installed in the shielding box of described cabinet one end, and the filter capacitor is fixedly arranged on the inner sidewall of the shielding box, and institute
Filter capacitor is stated to be located in the cabinet；And/or the primary inductance is fixedly arranged on second conductive bus bar.
10. a kind of powerful synchronous according to claim 3 rectifies high frequency switch power, it is characterised in that: the metal-oxide-semiconductor
Grid and source electrode between using silicon dioxide insulating layer be isolated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910558606.XA CN110198129A (en) | 2019-06-26 | 2019-06-26 | A kind of powerful synchronous rectification high frequency switch power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910558606.XA CN110198129A (en) | 2019-06-26 | 2019-06-26 | A kind of powerful synchronous rectification high frequency switch power |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111313721A (en) * | 2020-03-31 | 2020-06-19 | 佛山力昊电源技术有限公司 | Novel synchronous rectification power supply capable of being connected in parallel |
| CN113099645A (en) * | 2021-02-24 | 2021-07-09 | 科华数据股份有限公司 | Switch device of AC voltage stabilizer |
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| JP2018107926A (en) * | 2016-12-27 | 2018-07-05 | コーセル株式会社 | Switching power supply device |
| CN210041661U (en) * | 2019-06-26 | 2020-02-07 | 江苏康频电器科技有限公司 | High-power synchronous rectification high-frequency switching power supply |
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| CN111313721A (en) * | 2020-03-31 | 2020-06-19 | 佛山力昊电源技术有限公司 | Novel synchronous rectification power supply capable of being connected in parallel |
| CN113099645A (en) * | 2021-02-24 | 2021-07-09 | 科华数据股份有限公司 | Switch device of AC voltage stabilizer |
| CN113099645B (en) * | 2021-02-24 | 2022-10-14 | 科华数据股份有限公司 | Switch device of AC voltage stabilizer |
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