CN106385183A - High-frequency rectification device - Google Patents
High-frequency rectification device Download PDFInfo
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- CN106385183A CN106385183A CN201610877785.XA CN201610877785A CN106385183A CN 106385183 A CN106385183 A CN 106385183A CN 201610877785 A CN201610877785 A CN 201610877785A CN 106385183 A CN106385183 A CN 106385183A
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- module
- high frequency
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- inversion
- input
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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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
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- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
Abstract
The invention belongs to the technical field of high-frequency switching power supplies, and particularly provides a high-frequency rectification device comprising a box body. The box body is provided with a control module, and the internal cavity is provided with a heat radiating plate. The heat radiating plate is internally provided with a heat radiating circulation water path which is communicated with an external water cooling system. The internal cavity of the box body is divided into a high voltage area and a low voltage area which are vertically arranged by the heat radiating plate. The high voltage area is arranged at the upper side of the heat radiating plate, and the low voltage area is arranged at the lower side of the heat radiating plate. The high voltage area is internally provided with an EMI filtering module, an input rectification module, an input filtering module, an inversion module, an inversion driving module and an auxiliary power supply. The low voltage area is internally provided with a high-frequency transformer, an output rectification module and an output filtering module. The inversion driving module is arranged on the inversion module. The situation of short-circuit sparking of the high voltage area caused by the fact that water drops generated by the condensation phenomenon of the heat radiating plate drop on the inversion module can be avoided so that use of the high-frequency rectification device is enabled to be safer.
Description
Technical field
The invention belongs to high frequency switch power technical field, specially a kind of high frequency rectifying device.
Background technology
With social development, the progress of science and technology, high frequency switch power be widely applied to industrial equipment, power system,
On the fields such as transportation, military equipment, its effect is that electric main is converted into galvanic current, and will be straight after conversion
The electric supply load of stream.
Generally, the operating ambient temperature of high frequency switch power is higher, and working environment is complicated, the thermal diffusivity of high frequency switch power
Can be particularly significant, heat abstractor typically have air-cooled, metal heat-conducting, water-cooled these three.Wherein, although the radiating effect of wind-cooling heat dissipating
Substantially, but due to there may be corrosive gas in the working environment of high frequency switch power, can be by corrosivity gas during wind-cooling heat dissipating
Body is brought in high frequency switch power, thus accelerating the corrosion of its internal circuit, shortens its life-span；Though the radiating effect of metal heat-conducting
Good, but the heat of high frequency switch power radiating is higher, and the metal conducting strip of needs is more, and the space of occupancy is big, easily causes electricity
Short out road, the security performance of impact high frequency switch power；The good heat dissipation effect of water-cooling, radiating efficiency is high, but due to water route
Inside and outside temperature contrast is larger, the phenomenon of condensation easily, leads to the short circuit sparking of inversion higher-pressure region, dangerous.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, provide a kind of high frequency rectifying device being difficult short circuit.
In order to solve above-mentioned technical problem, the present invention employs the following technical solutions：
A kind of high frequency rectifying device, including casing, is provided with control module in described casing, its inner chamber is provided with heat sink, institute
State and in heat sink, be provided with the radiating circulation waterway being connected with external water cooling system, the inner chamber of casing is separated into by described heat sink
The higher-pressure region of lower arrangement and low-pressure area, described higher-pressure region is located at the upside of heat sink, and described low-pressure area is located at the downside of heat sink,
Be provided with described higher-pressure region EMI filtration module, input rectifying module, input filter module, inversion module, inversion drive module and
Accessory power supply；It is provided with high frequency transformer, output rectification module and output filter module in described low-pressure area；Alternating current power supply accesses institute
State higher-pressure region, and pass sequentially through described EMI filtration module, input rectifying module, input filter module, after the process of inversion module
Obtain high voltagehigh frequency alternating current, described accessory power supply is powered to described control module, and described control module is driven by described inversion
Dynamic model block controls conducting and the disconnection of described inversion module, so that converting direct-current power into alternating-current power, the exchange fax of this high voltagehigh frequency
Defeated to described low-pressure area, and pass sequentially through described high frequency transformer, output rectification module and output filter module process after obtain
Stable low-voltage DC.
Compared with prior art, a kind of high frequency rectifying device that the present invention provides is provided with dissipating of horizontally set in its casing
Hot plate, cabinets cavity is separated into higher-pressure region and low-pressure area by described heat sink, is provided with external water cooling system even inside heat sink
Logical circulation waterway, wherein, described EMI filtration module, input rectifying module, input filter module, inversion module, inversion drive
Module and accessory power supply setting are arranged in higher-pressure region, described high frequency transformer, output rectification module and output filter module
It is arranged in low-pressure area, the mode arranged about this kind, heat sink can be avoided inverse because the water droplet that dew condensation phenomenon produces drips to
Become the situation that higher-pressure region short circuit sparking is caused on module, so that high frequency rectifying device is used safer.
Further, described inversion module includes inverter line plate, and is arranged on controlled on described inverter line plate
Silicon and inverse switch pipe, described inverter line plate is arranged on the upside of described heat sink, described inverter line plate respectively with described
Input filter module, inversion drive module, the former limit electrical connection of high frequency transformer, described inversion drive module setting is described inverse
Become in module, reasonably make use of the space of casing, decrease the volume of casing, and inversion drive module setting is in inversion mould
Set-up mode on block, can shorten the length of the connecting line of inversion drive module and inversion module, thus reducing the interference of circuit,
And reduce the risk contacting with each other and causing short circuit between circuit, make high frequency rectifying device more efficient, safer.
Further, described inversion drive module includes being arranged on the IGBT driving plate on the upside of described inverter line plate, institute
State IGBT driving plate to electrically connect with inverter line plate by wire, described accessory power supply is powered to described IGBT driving plate, described
IGBT driving plate is electrically connected with described control module, and described inversion drive module is arranged on inverter line plate, thus shortening
Connect the distance of both wires, and decrease the interference of wire, and reduce and contact with each other between wire and cause short circuit
Risk, the caloric value of IGBT driving plate is few, and thermally-stabilised shape is good, and loss is low.
Further, described input filter module includes multiple filter capacitors, described filter capacitor and described inverter line
Plate electrically connects, and described input rectifying module includes rectifier bridge, the outfan of described EMI filtration module and the input of described rectifier bridge
End electrical connection, the outfan of described rectifier bridge is electrically connected with input filter module, and described filter capacitor is arranged on described inversion line
On the plate of road and positioned at the relative side of described IGBT driving plate, this set-up mode, effectively utilize the inner space of casing, carry
The utilization rate of high spatial, reduces the volume of casing.
Further, described high frequency rectifying device also includes being arranged on the PFC that higher-pressure region is located at described cabinets cavity front end
Correction module, described PFC correction module connects described rectifier bridge and described input filter module, and described PFC correction module can subtract
Few transport loss.
Further, the master control single-chip microcomputer that described control module includes PWM controller and controls described PWM controller, institute
State PWM controller to be connected with described IGBT driving plate, described accessory power supply provides electric energy, described PWM control to described PWM controller
The control mode of device processed is simple, flexibly, precisely.
Further, described output rectification module includes the first commutation diode group and the second rectification two pole being connected in parallel to each other
Pipe group, described first commutation diode group and the second commutation diode group are formed by some diodes in parallels respectively, and described first
Commutation diode group and described second commutation diode group are electrically connected with the secondary of described high frequency transformer respectively, when output rectification
When certain diode in module breaks down, can only change this diode, change without will entirely export rectification module
Fall, be effectively reduced maintenance cost.
Further, described output filter module includes output inductor and output filter band, described output filter band
On be connected with multiple filter capacitors, the input of described output inductor is electrically connected with the secondary of described high frequency transformer, its
Outfan is electrically connected with described output filter band, and described output filter band is electrically connected with described output rectification module.
Further, described high frequency rectifying device also includes open-phase protection module, output sampling module, temperature control module and changes
To module；Described open-phase protection module connects the outfan of described EMI filtration module and described PWM controller；Described output takes
Egf block connects the outfan of described output filter module and described PWM controller；Described temperature control module connects described inversion line
Road plate and described PWM controller；Described inverting module includes unidirectional driving plate and driving switch pipe, described unidirectional driving plate and institute
State PWM controller to connect, described driving switch pipe connects the outfan of described PWM controller and described output filter module, institute
State open-phase protection module, temperature control module can make high frequency rectifying device work safer, described output sampling module can make high frequency whole
Stream device output is more accurate, described inverting module can periodic transformation's output voltage polarity, to be applied to input voltage polarity
Need the load of periodic transformation, such as electroplating device.
Further, described casing includes the housing that front end is provided with opening, and lid is located at the protecgulum at described opening, institute
State housing and be provided with master control borad at its opening, described control module is arranged on described master control borad；Described input rectifying module
It is disposed adjacently in higher-pressure region near the position of cabinets cavity protecgulum with EMI filtration module；Described inversion module is arranged on described
EMI filtration module and the rear side of described input rectifying module；Described output rectification module is arranged on described low-pressure area near wherein
The position in portion, described high frequency transformer is arranged on the left side of low-pressure area front end；Described output filter module is arranged on defeated with described
Go out the adjacent position of rectification module, and be located at the right side of described output rectification module；Described inverting module is located at described output filter
The right side of ripple plate.The set-up mode of above-mentioned each module mounting location, compact conformation, reasonably utilize the space of casing, thus subtracting
The volume of few casing, is easily installed dismounting, storage is deposited and transported.
Brief description
Fig. 1 is the axonometric chart of high frequency rectifying device
Fig. 2 is the structural representation of higher-pressure region and low-pressure area
Fig. 3 is the partial exploded view of high frequency rectifying device
Fig. 4 is the top view of higher-pressure region
Fig. 5 is the upward view of low-pressure area
Fig. 6 is the circuit block diagram of high frequency rectifying device
Fig. 7 is the circuit diagram of high frequency rectifying device
Fig. 8 is inversion module, high frequency transformer, output rectification module, the connection diagram of output filter module
Fig. 9 is high frequency transformer, output rectification module, the connection diagram of output filter module
Figure 10 is the structural representation of heat sink
Specific embodiment
A kind of preferred embodiment below in conjunction with the brief description present invention.
Referring to Fig. 1 to Fig. 7, a kind of high frequency rectifying device, including casing 1, it is provided with control module 2 in described casing, in it
Chamber is provided with heat sink 3, is provided with the radiating circulation waterway being connected with external water cooling system in described heat sink 3, and described heat sink 3 is horizontal
To being configured to be separated into the inner chamber of casing 1 the higher-pressure region 1A arranging up and down and low-pressure area 1B, described higher-pressure region 1A is located at radiating
The upside of plate 3, described low-pressure area 1B is located at the downside of heat sink 3, is provided with EMI filtration module 41, input in described higher-pressure region 1A
Rectification module 42, input filter module 43, inversion module 44, inversion drive module 45 and accessory power supply 10；Described low-pressure area 1B
Inside it is provided with high frequency transformer 53, output rectification module 51 and output filter module 52；Alternating current power supply accesses to described higher-pressure region 1A,
And pass sequentially through described EMI filtration module 41, input rectifying module 42, input filter module 43, after the process of inversion module 44
Obtain high voltagehigh frequency alternating current, described accessory power supply 10 is powered to described control module 2, described control module 2 is passed through described inverse
Become conducting and the disconnection that drive module 45 controls described inversion module 44, so that converting direct-current power into alternating-current power, this high voltagehigh frequency
Alternating current transmission is to described low-pressure area 1B, and passes sequentially through described high frequency transformer 53, output rectification module 51 and output filtering
Module 52 obtains stable low-voltage DC after processing.
Compared with prior art, a kind of high frequency rectifying device that the present invention provides is provided with horizontally set in its casing 1
Heat sink 3, casing 1 inner chamber is separated into higher-pressure region 1A and low-pressure area 1B by described heat sink 3, is provided with and outside inside heat sink 3
Water-cooling system connection circulation waterway, wherein, described EMI filtration module 41, input rectifying module 42, input filter module 43,
Inversion module 44, inversion drive module 45 and accessory power supply 10 setting are arranged in the 1A of higher-pressure region, described high frequency transformer 53,
Output rectification module 51 and output filter module 52 are arranged in low-pressure area 1B, and the mode arranged about this kind can avoid dissipating
Hot plate 3 causes the situation of higher-pressure region 1A short circuit sparking because the water droplet that dew condensation phenomenon produces drips on inversion module 44, make height
Frequency fairing uses safer.
Referring to Fig. 3, Fig. 4, Fig. 6 and Fig. 7, described inversion module 44 includes inverter line plate 441, controllable silicon and inverse switch
Pipe 443, described inverter line plate 441 is arranged on the upside of described heat sink 3, described inverter line plate 441 by installed part 442
Electrically connect with the former limit of described input filter module 43, inversion drive module 45, high frequency transformer 53 respectively.Described inversion drives
Module 45 is arranged on described inversion module 44, reasonably make use of the space of casing 1, decreases the volume of casing 1, and inverse
Become the set-up mode that drive module 45 is arranged on inversion module 44, inversion drive module 45 and the company of inversion module 44 can be shortened
The length of wiring, thus reducing the interference of circuit, and reducing the risk contacting with each other and causing short circuit between circuit, making height
Frequency fairing is more efficient, safer.
Referring to Fig. 3 and Fig. 7, described installed part 442 is provided with four, and its be distributed in described inverter line plate 441 four turns
Angle, described inverter line plate 441 is mutually not in contact with each other with described heat sink 3, and described inverse switch pipe 443 is arranged on described heat sink
Between 3 and inverter line plate 441, described controllable silicon and inverse switch pipe 443 are arranged on described inverter line in the way of inserted sheet
On plate 441, described inverse switch pipe 443 is arranged on described inverter line plate 441 near the side of heat sink 3, described inversion mould
The outfan of block 44 is electrically connected with the former limit of described high frequency transformer 53 by satiable inductor 54, and described satiable inductor 54 sets
Put the marginal position in described low-pressure area 1B, described inversion module 44 is arranged on heat sink 3, it is to avoid solidifying on heat sink 3
Dew drips to the phenomenon causing short circuit on inversion module 44, in addition, the electrical equipment compact in design of inversion module 44, described inversion
The connected mode of switching tube 443, controllable silicon and inverter line plate 441 is simple and convenient.
Referring to Fig. 3, Fig. 4 and Fig. 7, described inversion drive module 45 includes being arranged on described inverter line plate 441 upside
IGBT driving plate 451, described IGBT driving plate 451 is electrically connected with inverter line plate 441 by wire, described accessory power supply 10 to
Described IGBT driving plate 451 is powered, and described IGBT driving plate 451 is electrically connected with described control module 2, described inversion drive module
45 are arranged on inverter line plate 441, thus shortening the distance connecting both wires, and decrease the interference of wire, with
And reduce the risk contacting with each other and causing short circuit between wire, in addition, the caloric value of IGBT driving plate 451 is few, thermally-stabilised
Shape is good, and loss is low.
Referring to Fig. 3 and Fig. 4, described input filter module 43 includes multiple filter capacitors 431, described filter capacitor 431 with
Described inverter line plate 441 electrically connects, and described input rectifying module 42 includes rectifier bridge 421, described EMI filtration module 41 defeated
Go out end to electrically connect with the input of described rectifier bridge 421, the outfan of described rectifier bridge 421 and input filter module 43 are electrically connected
Connect, described filter capacitor 431 be arranged on described inverter line plate 441 and be located at described IGBT driving plate 451 relative one
Side, this set-up mode, effectively utilizes the inner space of casing 1, improves the utilization rate in space, reduce the volume of casing 1.
Referring to Fig. 4 and Fig. 7, described high frequency rectifying device also includes being arranged on the PFC correction module 46 of described higher-pressure region 1A,
Described PFC correction module 46 is arranged on the front end of described casing 1 inner chamber, and described PFC correction module 46 connects described rectifier bridge 421
Outfan and described input filter module 431 input, described PFC correction module 46 can reduce transport loss.
Referring to Fig. 6 and Fig. 7, the master control that described control module 2 includes PWM controller 21 and controls described PWM controller 21
Single-chip microcomputer 22, described PWM controller 21 is connected with described IGBT driving plate 451, and described accessory power supply 10 is to described PWM controller
21 offer electric energy, the control mode of described PWM controller 21 is simple, flexibly, precisely.
Referring to Fig. 7, described output rectification module 51 includes the first commutation diode group 511 being connected in parallel to each other and the second rectification
Diode group 512, described first commutation diode group 511 and the second commutation diode group 512 are respectively by some diodes 513 simultaneously
Connection forms.
Referring to Fig. 7 to Fig. 9, the former limit of described high frequency transformer 53 is connected with described inverter line plate 441, and its secondary is one
The individual winding being provided with centre cap 531, the end tap 532 of described secondary is connected with described output rectification module 51 respectively, institute
State centre cap 531 to be connected with described output filter module 52.
Described first commutation diode group 511 is connected with the one end in described end tap 532, described second rectification two pole
Pipe group 512 is connected with the other end in described end tap 532, when certain diode 513 in output rectification module 51 occurs
During fault, can only change this diode 513, replace without by whole output rectification module 51, be effectively reduced maintenance
Cost.
Described output filter module 52 includes output inductor 522 and output filter band 521, described output filter band
It is connected with multiple filter capacitors, the center of the input of described output inductor 522 and described high frequency transformer 53 is taken out on 521
531 electrical connections, its outfan is electrically connected with described output filter band 521, described output filter band 521 and described output rectification
Module 51 electrically connects.
Referring to Fig. 6 and Fig. 7, as a kind of improved plan, described high frequency rectifying device also include open-phase protection module 6,
Output sampling module 7, temperature control module 8 and inverting module 9.
Described open-phase protection module 6 connects outfan and the described PWM controller 21 of described EMI filtration module 41, described
Open-phase protection module 6 is also being run after preventing circuit phase shortage, leads to situation about burning.
Described output sampling module 7 connects outfan and the described PWM controller 21 of described output filter module 52, described
Export sampling module 7 can effectively by the voltage exporting or the current feedback exporting to control module 2, and pass through control module 2
Correspondingly output voltage or output current are regulated and controled.
Described temperature control module 8 connects described inverter line plate 441 and described PWM controller 21；Described temperature control module 8 prevents
Also running during excess temperature phenomenon occurs in circuit.
Described inverting module 9 includes unidirectional driving plate 91 and driving switch pipe 92, described unidirectional driving plate 91 and described PWM
Controller 21 connects, and described driving switch pipe 92 connects the outfan of described PWM controller 21 and described output filter module 52,
Described inverting module 9 can periodic transformation's output voltage polarity, need that periodic transformation's is negative to be applied to input voltage polarity
Carry, such as electroplating device.
Referring to Fig. 1 to Fig. 5, described casing 1 includes the housing 11 that front end is provided with opening, and lid is located at described opening
Protecgulum 12, described housing 11 is located at and is provided with master control borad 13 at its opening, and described control module 2 is arranged on described master control borad 13；
Described input rectifying module 42 and EMI filtration module 41 are disposed adjacently in higher-pressure region 1A near the position of casing 1 inner chamber protecgulum 12
Put；Described inversion module 44 is arranged on described EMI filtration module 41 and the rear side of described input rectifying module 42；Described output is whole
Flow module 51 is arranged on position in the middle part of it for the described low-pressure area 1B, and described high frequency transformer 53 is arranged on low-pressure area 1B front end
Left side；Described output filter module 52 is arranged on the position adjacent with described output rectification module 51, and is located at described output
The right side of rectification module 51；Described inverting module 9 is located at the right side of described output filter band 521.Above-mentioned each module mounting location
Set-up mode, compact conformation, reasonably utilize casing 1 space, thus reducing the volume of casing 1, be easily installed dismounting, receipts
Receive and deposit and transport.
Referring to Fig. 1, Fig. 2, Fig. 4 and Fig. 5, as a kind of improved plan, described housing 11 includes left plate 111, right side
Plate 112, back side panel 113, top cover 114 and bottom, described left plate 111, right plate 112 and back side panel 113 are around described bottom
The edge setting of upper end, described protecgulum 12 is arranged on the front end of described left plate 111 and right plate 112, and described top cover 114 lid sets
In the upper end of described left plate 111, right plate 112, back side panel 113 and protecgulum 12, described back side panel 113 is provided with input port
14 and sheet metal 15, described sheet metal 15 is arranged on the lower section of described input port 14, and described input port 14 connects described friendship
Stream power supply and described EMI filtration module 41, described sheet metal 15 connects load and described inverting module 9.
As a kind of improved plan, the upper front end of described housing cavity is provided with fan, and described top cover is located at described wind
It is provided with air vent at the position of fan.The set-up mode structure of described housing is simple, is easy to installation and the maintenance of electrical equipment, described
Fan makes radiating effect more preferable.
As a kind of improved plan, in order that radiating effect is more preferably, described heat sink 3 is metal material, for example aluminum or
Aluminium alloy.
Referring to Fig. 1 and Fig. 2, as a kind of improved plan, in order that high frequency rectifying device use is more convenient, safer,
Described protecgulum 12 is provided with the display lamp 121 being connected with described control module 2, and described display lamp 121 can distinguish high-frequency rectification dress
The state put, such as whether connect power supply, starting state, communications status, malfunction, over-current state, overvoltage condition, excess temperature shape
State, non-full-phase state etc..
As a kind of improved plan, in order that high frequency rectifying device is easy to use, the relative both sides of described housing are provided with
Guide rail, described guide rail is used for activity when high frequency rectifying device is coordinated with cabinet, so that its maintenance.
Referring to Fig. 1, as a kind of improved plan, in order that high frequency rectifying device convenient transportation, described left plate 111 He
The front end of right plate 112 is respectively equipped with the flange 116 of outside bending, and the front end face of described flange 116 is provided with suspension ring 117, described
The outside of left plate 111 and right plate 112 is respectively equipped with attacker 118.
Referring to Fig. 3 and Fig. 9, as a kind of improved plan, the sidepiece of described heat sink 3 is provided with feed liquor port 31 and goes out liquid
Port 32, is internally provided with full of twists and turns or screw arrangement and connects dissipating of described feed liquor port 31 and described liquid outlet mouth 32
Hot channel 33, described feed liquor port 31 and liquid outlet mouth 32 are connected with external water cooling system respectively.
Described hot channel 33 includes at least two following current sections 331 and at least one connects two neighboring described following current section
331 turning section 332.Described heat sink 3 and the set-up mode compact conformation of water cooled pipeline, the set-up mode structure of heat sink 3
Simply, radiating effect is obvious.
The announcement of book and teaching according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in specific embodiment disclosed and described above, to the present invention's
In the scope of the claims that some modifications and changes should also be as fall into the present invention.Although additionally, using in this specification
Some specific terms, but these terms are merely for convenience of description, do not constitute any restriction to the present invention.
Claims (10)
1. a kind of high frequency rectifying device it is characterised in that：Including casing, in described casing, it is provided with control module, its inner chamber is provided with
Heat sink, is provided with the radiating circulation waterway being connected with external water cooling system, described heat sink is by casing in described heat sink
Chamber is separated into the higher-pressure region arranged up and down and low-pressure area, and described higher-pressure region is located at the upside of heat sink, and described low-pressure area is located at and dissipates
The downside of hot plate, is provided with EMI filtration module, input rectifying module, input filter module, inversion module, inverse in described higher-pressure region
Become drive module and accessory power supply；It is provided with high frequency transformer, output rectification module and output filter module in described low-pressure area；Hand over
Higher-pressure region described in stream plant-grid connection, and pass sequentially through described EMI filtration module, input rectifying module, input filter module, inversion
High voltagehigh frequency alternating current is obtained, described accessory power supply is powered to described control module, described control module is led to after the process of module
Cross conducting and the disconnection that described inversion drive module controls described inversion module, so that converting direct-current power into alternating-current power, this high pressure
High-frequency alternating current is transferred to described low-pressure area, and passes sequentially through described high frequency transformer, output rectification module and output filtering mould
Block obtains stable low-voltage DC after processing.
2. a kind of high frequency rectifying device according to claim 1 it is characterised in that：Described inversion module includes inverter line
Plate, and it is arranged on the controllable silicon on described inverter line plate and inverse switch pipe, described inverter line plate is arranged on described dissipating
The upside of hot plate, described inverter line plate respectively with described input filter module, inversion drive module, high frequency transformer former limit
Electrical connection.
3. a kind of high frequency rectifying device according to claim 2 it is characterised in that：Described inversion drive module includes installing
IGBT driving plate on the upside of described inverter line plate, described IGBT driving plate is electrically connected with inverter line plate by wire, institute
State accessory power supply to power to described IGBT driving plate, described IGBT driving plate is electrically connected with described control module.
4. a kind of high frequency rectifying device according to claim 2 it is characterised in that：Described input filter module includes multiple
It is arranged on the filter capacitor on described inverter line plate, described filter capacitor is electrically connected with described inverter line plate, described input
Rectification module includes rectifier bridge, and the outfan of described EMI filtration module is electrically connected with the input of described rectifier bridge, described rectification
The outfan of bridge is electrically connected with input filter module.
5. a kind of high frequency rectifying device according to claim 4 it is characterised in that：Also include being arranged on higher-pressure region positioned at institute
State the PFC correction module of cabinets cavity front end, described PFC correction module connects described rectifier bridge and described input filter module.
6. a kind of high frequency rectifying device according to claim 3 it is characterised in that：Described control module includes PWM control
Device and the master control single-chip microcomputer controlling described PWM controller, described PWM controller is connected with described IGBT driving plate, described auxiliary
Power supply provides electric energy to described PWM controller.
7. a kind of high frequency rectifying device according to claim 6 it is characterised in that：Described output rectification module is included each other
First commutation diode group in parallel and the second commutation diode group, described first commutation diode group and the second commutation diode
Group is formed by some diodes in parallels respectively, described first commutation diode group and described second commutation diode group respectively with institute
State the secondary electrical connection of high frequency transformer.
8. a kind of high frequency rectifying device according to claim 7 it is characterised in that：Described output filter module includes exporting
Filter inductance and output filter band, described output filter band is connected with multiple filter capacitors, described output inductor defeated
Enter end to electrically connect with the secondary of described high frequency transformer, its outfan is electrically connected with described output filter band, described output filtering
Plate is electrically connected with described output rectification module.
9. a kind of high frequency rectifying device according to claim 6 it is characterised in that：Also include open-phase protection module, output
Sampling module, temperature control module and inverting module；
Described open-phase protection module connects the outfan of described EMI filtration module and described PWM controller；
Described output sampling module connects the outfan of described output filter module and described PWM controller；
Described temperature control module connects described inverter line plate and described PWM controller；
Described inverting module includes unidirectional driving plate and driving switch pipe, and described unidirectional driving plate is connected with described PWM controller,
Described driving switch pipe connects the outfan of described PWM controller and described output filter module.
10. a kind of high frequency rectifying device according to claim 9 it is characterised in that：Described casing includes front end and is provided with out
The housing of mouth, and cover the protecgulum being located at described opening, described housing is located at and is provided with master control borad at its opening, described control mould
Block is arranged on described master control borad；Described input rectifying module and EMI filtration module are disposed adjacently in higher-pressure region near casing
The position of inner chamber protecgulum；Described inversion module is arranged on described EMI filtration module and the rear side of described input rectifying module；Described
Output rectification module is arranged on position in the middle part of it for the described low-pressure area, and described high frequency transformer is arranged on low-pressure area front end
Left side；Described output filter module is arranged on the position adjacent with described output rectification module, and is located at described output rectification mould
The right side of block；Described inverting module is located at the right side of described output filter band.
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| CN201610877785.XA CN106385183A (en) | 2016-09-30 | 2016-09-30 | High-frequency rectification device |
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| CN201610877785.XA CN106385183A (en) | 2016-09-30 | 2016-09-30 | High-frequency rectification device |
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| CN106385183A true CN106385183A (en) | 2017-02-08 |
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| CN110061633A (en) * | 2019-05-21 | 2019-07-26 | 广州标程电气有限公司 | A kind of new type inverter |
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