CN110339944A - A kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply - Google Patents
A kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply Download PDFInfo
- Publication number
- CN110339944A CN110339944A CN201910647306.9A CN201910647306A CN110339944A CN 110339944 A CN110339944 A CN 110339944A CN 201910647306 A CN201910647306 A CN 201910647306A CN 110339944 A CN110339944 A CN 110339944A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- power supply
- fuel tank
- frequency
- miniaturization
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/66—Applications of electricity supply techniques
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The present invention relates to a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supplies, including cabinet and fuel tank setting up and down；External wire box, air intake cover, outlet housing are respectively equipped on the side of the cabinet, the air intake cover, the outlet housing extend through the side wall of the cabinet；The main control circuit component and power circuit package of lower leaf setting are installed, the main control circuit component is electrically connected with the power circuit package in the cabinet；Transformer and high voltage silicon rectifier stack are installed, the secondary of the transformer is electrically connected with the high voltage silicon rectifier stack, and the primary of the transformer is connect with the power circuit package in the fuel tank；Horn-like EHT cage is installed, outwardly, the EHT cage center is equipped with High voltage output binding post to the wide opening of the EHT cage, and the High voltage output binding post passes through the oil tank wall and connect with the high voltage silicon rectifier stack on the outside of the fuel tank.It is of the invention it is compact-sized, volume is relatively small, thermal diffusivity is good, and IP degree of protection is higher, and installation maintenance is simple.
Description
Technical field
The present invention relates to high-frequency high-voltage source domains, and in particular to a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply.
Background technique
The generally existing following problems of high-frequency dust removing power supply currently on the market: volume is big, and transformer is at high cost, outdoor utility
IP degree of protection is low, and heat dissipation performance is poor, and power supply reliability is poor, installs and difficult in maintenance.Main cause is: transformer eddy-current loss
Greatly, main loop of power circuit heat dissipation design is unreasonable, and high frequency skin effect is serious, IP degree of protection and system radiating the contradiction punching of cabinet body
It is prominent.
Summary of the invention
The present invention for the technical problems in the prior art, provides a kind of miniaturization 1.2A electric precipitation high-frequency high-voltage
Source, compact-sized, volume is relatively small, thermal diffusivity is good, and IP degree of protection is higher, and installation maintenance is simple, solves existing skill
The problem of art.
The technical scheme to solve the above technical problems is that
A kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply, including cabinet and fuel tank setting up and down and be fixedly connected；
External wire box, air intake cover, outlet housing are respectively equipped on the side of the cabinet, the air intake cover, the outlet housing extend through
The side wall of the cabinet；The main control circuit component and power circuit package of lower leaf setting, institute are installed in the cabinet
Main control circuit component is stated to be electrically connected with the power circuit package；Main transformer and high voltage silicon rectifier stack are installed in the fuel tank,
The secondary of the main transformer is electrically connected with the high voltage silicon rectifier stack, and the primary of the main transformer passes through electrical connector and the function
The connection of rate circuit unit；Horn-like EHT cage is installed on the outside of the fuel tank, the wide opening of the EHT cage outwardly, the high pressure
Cover center is equipped with High voltage output binding post, and the High voltage output binding post passes through the oil tank wall and the high voltage silicon rectifier stack connects
It connects.
The power circuit package of high-frequency and high-voltage power supply and main control circuit component are integrated in one by technical solution of the present invention
It is compact-sized in a cabinet, it is small in size, it is conducive to installation；In cabinet lower part, air intake cover, cabinet body, outlet housing mutual cooperation shape
At air duct, the wind and interior of equipment cabinet component flowed through carries out heat exchange, cools down for electrical component, and main transformer is set to fuel tank
It is interior, heat exchange is carried out by the metal surface of insulating oil and fuel tank and air, entire power-supply system thermal diffusivity is preferable, protects with this
Hinder the permanent reliability of operation of power supply, conducive to the service life for extending power supply.
Based on the above technical solution, the present invention can also be improved as follows.
Preferably, the lower part in the cabinet is equipped with rectification module, inverter module, the rectification module, the inversion
Module is mounted in the cabinet by aluminum profile heat sink；The inverter module includes IGBT module and IGBT driving board,
The IGBT module is mounted on the aluminum profile heat sink, and the IGBT driving board is mounted on the IGBT connecting plate, institute
State that IGBT connecting plate is mounted on the aluminum profile heat sink and the IGBT connecting plate connects the driving of the IGBT module
Pole；The rectification module includes silicon-controlled, the thyristor, metal shell resistance, filter being separately mounted on the aluminum profile heat sink
Wave capacitor；It is also equipped with resonant capacitance in lower inner wall in the cabinet, it is the rectification module, the inverter module, described
Resonant capacitance forms the power circuit package.The IGBT module packaged type structure integrated using two IGBT series connection, can prevent
Dust in air causes to reduce to its creepage distance.Aluminum profile heat sink can be by heat transfer by IGBT module, silicon-controlled, brilliant lock
Pipe, metal shell resistance, filter capacitor heat be transferred to itself, then by flow through air duct wind carry out heat exchange, thus will
Heat in cabinet is taken out of, and the effect of cabinet cooling is reached for.
Preferably, the lower part in the cabinet is also equipped with laminated bus bars, is equipped on the laminated bus bars anti-bias
Magnetoelectricity sense, the laminated bus bars are separately connected the rectification module, the IGBT module, resonance electricity by electrical connector
Appearance, the anti-bias magnetoelectricity sense, the main transformer are primary.Tie point of the laminated bus bars as components multiple in cabinet leads to
Crossing multiple cables makes multiple components connect to form circuit, plays the role of optimizing cable management in cabinet.
Preferably, the lower part in the cabinet is also equipped with big copper binding post, and the big copper binding post passes through the cabinet
The both ends of interior bottom and the tank bottoms, the big copper binding post are separately connected the laminated bus bars and the main transformer
Depressor is primary.Be insulation set between the big copper binding post and oil tank wall, cabinet walls, the big copper binding post and oil tank wall it
Between airtight connection.Big copper binding post can be connected with the high current between load power device and main transformer for primary
Reliable connection is provided to power device.
Preferably, the partition being laterally arranged is installed in the middle part of the cabinet, the basal surface position of the partition be higher than it is described into
Fan housing and outlet housing setting；Master control borad, driving plate, Switching Power Supply, the master control borad point are installed above the partition
It is not electrically connected with the driving plate, the Switching Power Supply；Described in the master control borad, the driving plate, the Switching Power Supply form
Main control circuit component.The bottom surface of partition and cabinet, side complement each other to form air duct, and wind is entered by air intake cover, flows through the wind
Road is after the electrical component progress heat exchange in air duct, and hot wind flows out outlet housing, and the heat in cabinet is taken to outside power supply, from
And it is power supply cooling.The not high master control borad of quantity of heat production, driving plate, Switching Power Supply are placed in above partition, i.e., other than air duct, prevent sky
Dust in gas causes undesirable influence to its creepage distance.
Preferably, miniature circuit breaker, supply transformer, display screen, the miniature open circuit are installed in the external wire box
Device connects the primary of the supply transformer, and the secondary of the supply transformer connects the Switching Power Supply, the Switching Power Supply
Connect the master control borad；The display screen and the master control borad communicate to connect.Miniature circuit breaker provides for main control circuit component
Single-phase 380V voltage is converted to 220V voltage by overload protection, supply transformer, is powered for Switching Power Supply.Switching Power Supply is by 220V
Alternating current is converted to low-voltage DC, powers for main control circuit.Electrical component is set in external wire box, is not needing to tie up
External wire box is closed when repairing, replacing electrical component, increases its IP degree of protection.
Preferably, main circuit breaker, the main circuit breaker and the rectification mould are installed in the external wire box
Block connection.Main circuit breaker provides security protection for power circuit.
Preferably, the fuel tank is closed setting, and the top of oil-tank is equipped with oil inlet, and the oil inlet runs through the machine
The bottom of cabinet；The fuel tank lower part is equipped with oil outlet, and the tank envelope is equipped with corrugated plate.It is additionally provided on the oil inlet
The setting of exhaust valve, oil inlet, exhaust valve, oil outlet facilitates vacuum oil-pumping.The setting of corrugated plate increases dissipating for tank surface
Heat area improves the radiating efficiency of fuel tank, can effectively radiate for main transformer and high voltage silicon rectifier stack.
Preferably, the lower part in the cabinet is also equipped with aerofoil fan, and the aerofoil fan goes out gas side close to described
Outlet housing setting, the aerofoil fan are connect with the Switching Power Supply.Aerofoil fan provides power in air duct, at outlet housing
Air be pumped into cabinet, and from outlet housing be discharged, to realize that outside air is exchanged with the heat of interior of equipment cabinet.
Preferably, the inlet end downward bending of air intake cover, the inlet end it is opening down；The outlet side of the outlet housing
Downward bending, the outlet side it is opening down.Air intake cover and outlet housing Open Side Down setting, it is therefore prevented that rainwater flow into cabinet
The class of insulation that is interior, reducing component in air duct in cabinet, ensure that the IP degree of protection of cabinet.
The beneficial effects of the present invention are: technical solution of the present invention is by the power circuit package of high-frequency and high-voltage power supply and master control
Circuit unit processed is integrated in a cabinet, compact-sized, small in size, is conducive to installation；In cabinet lower part, air intake cover, partition, machine
Cabinet ontology, outlet housing complement each other to form air duct, and power circuit package is located in air duct, the wind flowed through and interior of equipment cabinet component
Heat exchange is carried out, is effectively electrical component cooling；The air inlet bending of air intake cover is down-set, and water droplet is effectively prevent to enter machine
In cabinet, the IP degree of protection of cabinet is improved；The closed setting of fuel tank, main transformer are set in fuel tank, by insulating oil and
The metal surface of fuel tank and air carry out heat exchange, and entire power-supply system thermal diffusivity is preferable, ensures what power supply was run for a long time with this
Reliability, conducive to the service life for extending power supply.
Detailed description of the invention
Fig. 1 is perspective view of the present invention；
Fig. 2 is main view of the present invention；
Fig. 3 is left view of the present invention；
Fig. 4 is right view of the present invention；
Fig. 5 is top view A of the present invention；
Fig. 6 is top view B of the present invention；
Fig. 7 is top view C of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, fuel tank, 2, cabinet, 3, indicator light, 4, oil observing window, 5, corrugated plate, 6, copper bar, 7, insulator, 8, air intake cover, 9,
Main circuit breaker, 10, supply transformer, 11, lifting lug, 12, miniature circuit breaker, 13, display screen, 14,12P connecting terminal, 15,
Cable interface, 16, outlet housing, 17, EHT cage, 18, oil outlet, 19, anti-bias magnetoelectricity sense, 20, Switching Power Supply, 21, driving plate,
22, high-tension porcelain insulator, 23, master control borad, 24, filter capacitor, 25, laminated bus bars, 26, oil inlet, 27, resonant capacitance, 28, big copper
Binding post, 29, sampling plate, 30, Absorption Capacitance, 31, IGBT driving board, 32, IGBT connecting plate, 33, metal shell resistance, 34, can
Control silicon, 35, aluminum profile heat sink, 36, IGBT module, 37, thyristor, 38, aerofoil fan, 39, partition, 40, external wire box.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Fig. 1~7, a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply, including it is setting up and down and be fixedly connected
Cabinet 2 and fuel tank 1；There are four the lifting lugs 11 for being in distributed rectangular for the top surface installation of the cabinet 2, on the side of the cabinet 2
It is respectively equipped with external wire box 40, air intake cover 8, outlet housing 16, the air intake cover 8, the outlet housing 16 extend through the cabinet 2
Side wall；The main control circuit component and power circuit package of lower leaf setting, the main control are installed in the cabinet 2
Circuit unit is electrically connected with the power circuit package；Main transformer and high voltage silicon rectifier stack, the main transformer are installed in the fuel tank 1
The secondary of depressor is electrically connected with the high voltage silicon rectifier stack, and the primary of the main transformer passes through electrical connector and the power circuit group
Part connection；Horn-like EHT cage 17 is installed on the outside of the fuel tank 1, the wide opening of the EHT cage 17 outwardly, the EHT cage
17 centers are equipped with High voltage output binding post, and the High voltage output binding post passes through 1 wall of fuel tank and the high voltage silicon rectifier stack connects
It connects, the anode plate of the other end connection deduster of the High voltage output binding post.Being installed in series on the outside of High voltage output binding post has
Several high-tension porcelain insulators 22, for increasing the high-voltage output end of this high voltage power supply and the creepage distance of deduster.
The power circuit package of high-frequency and high-voltage power supply and main control circuit component are integrated in one by technical solution of the present invention
It is compact-sized in a cabinet 2, it is small in size, it is conducive to installation；In 2 lower part of cabinet, air intake cover 8,2 ontology of cabinet, outlet housing 16 are mutual
Air duct is cooperatively formed, the wind flowed through and 2 internal component of cabinet carry out heat exchange, cool down for electrical component, main transformer setting
In in fuel tank 1, heat exchange is carried out by the metal surface of insulating oil and fuel tank 1 and air, entire power-supply system thermal diffusivity compared with
It is good, the permanent reliability of operation of power supply is ensured with this, conducive to the service life for extending power supply.
Based on the above technical solution, the present embodiment can also do following improvement.
In the present embodiment, the lower part in the cabinet 2 is equipped with rectification module, inverter module, the rectification module, described
Inverter module is mounted in the cabinet 2 by aluminum profile heat sink 35；The inverter module includes IGBT module 36, IGBT drive
Movable plate 31 and IGBT connecting plate 32, the IGBT module 36 are mounted on the aluminum profile heat sink 35, the IGBT driving
Plate 31 is mounted on the IGBT connecting plate 32, and the IGBT connecting plate 32 is mounted on the aluminum profile heat sink 35 and institute
State the driving stage that IGBT connecting plate 32 connects the IGBT module 36；The rectification module includes being separately mounted to the aluminum profile
On heat sink 35 silicon-controlled 34, thyristor 37, metal shell resistance 33, filter capacitor 24；In lower inner wall in the cabinet 2
It is also equipped with resonant capacitance 27, the rectification module, the inverter module, the resonant capacitance 27 form the power circuit group
The input power of 380V is rectified into direct current by part, rectification module, inverse using inverter module after 24 filtering clutter of filter capacitor
Become high-frequency alternating current, form resonance circuit between the main transformer in resonant capacitance 27 and fuel tank 1, control main transformer is secondary
The frequency of out-put supply.37 anode of thyristor connects any phase input power, and the cathode and metal shell resistance 33 of thyristor 37 are gone here and there
Connection composition is soft to open circuit, and metal shell resistance 33 connects the direct-flow positive pole output end of rectification module.Two IGBT pipes are composed in series one
A IGBT module 36, IGBT module 36 use packaged type structure, can prevent dust in air from reducing its creepage distance.Aluminum profile dissipates
Hot plate 35 can be by heat transfer by IGBT module 36, silicon-controlled 34, thyristor 37, metal shell resistance 33, the heat of filter capacitor 24
Amount is transferred to itself, is then reached for machine so that the heat in cabinet 2 be taken out of by flowing through the wind progress heat exchange in air duct
The effect that cabinet 2 cools down.Each IGBT of the present embodiment Absorption Capacitance 30 in parallel, for absorbing its peak voltage.Institute
It states the bottom in cabinet 2 and is also equipped with sampling plate 29, sampling plate 29 is separately connected master control borad 23 and this high-frequency and high-voltage power supply
The voltage signal of sampling is sent to master control borad 23 by High voltage output binding post, sampling plate 29.
In the present embodiment, the lower part in the cabinet 2 is also equipped with laminated bus bars 25, pacifies on the laminated bus bars 25
Equipped with anti-bias magnetoelectricity sense 19, the laminated bus bars 25 are separately connected the rectification module, the IGBT mould by electrical connector
Block 36, the resonant capacitance 27, the anti-bias magnetoelectricity sense 19, the main transformer are primary, the anti-bias magnetoelectricity sense 19 with it is described
Main transformer primary parallel.Tie point of the laminated bus bars 25 as multiple components in cabinet 2, is made multiple by multiple cables
Component connects to form circuit, plays the role of optimizing cable management in cabinet 2.
In the present embodiment, the lower part in the cabinet 2 is also equipped with big copper binding post 28, and the big copper binding post 28 passes through
1 bottom of bottom and the fuel tank in the cabinet 2, the both ends of the big copper binding post 28 are separately connected the laminated bus
Row is primary with the main transformer.It is insulation set, the big copper between the big copper binding post 28 and 1 wall of fuel tank, 2 wall of cabinet
Airtight connection between 1 wall of binding post 28 and fuel tank.Big copper binding post 28 can be with big between load power device and main transformer
Electric current is connected to power device for primary and provides reliable connection.
In the present embodiment, the partition 39 being laterally arranged is installed in the middle part of the cabinet 2, the basal surface position of the partition 39 is high
It is arranged in the air intake cover 8 and the outlet housing 16；Master control borad 23, driving plate 21, switch are installed above the partition 39
Power supply 20, the master control borad 23 are electrically connected with the driving plate 21, the Switching Power Supply 20 respectively；It is the master control borad 23, described
Driving plate 21, the Switching Power Supply 20 form the main control circuit component.Bottom surface of the partition 39 with cabinet 2, side phase interworking
Conjunction forms air duct, and wind is initially entered by air intake cover 8, flows through the air duct, is hot air flow after the electrical component progress heat exchange in air duct
Outlet housing 16 out take the heat in cabinet 2 outside power supply to, to cool down for power supply.The not high master control borad 23 of quantity of heat production, driving
Plate 21, Switching Power Supply 20 are placed in 39 top of partition, i.e., other than air duct, prevent the dust in air from causing to its creepage distance bad
Influence.
In the present embodiment, miniature circuit breaker 12, supply transformer 10, display screen 13 are installed in the external wire box 40,
The miniature circuit breaker 12 connects the primary of the supply transformer 10, and the secondary of the supply transformer 10 connects the switch
Power supply 20, the Switching Power Supply 20 connect the master control borad 23；The display screen 13 is communicated to connect with the master control borad 23.It is described
12P connecting terminal 14 is also equipped in external wire box 40,12P connecting terminal 14 provides line for each component in external wire box 40
The connecting node of cable.Miniature circuit breaker 12 provides overload protection for main control circuit component.Because of the high-frequency high-voltage of the present embodiment
Source uses three-phase three-wire system power supply, and main control circuit is needed using single-phase electricity, so being taken arbitrarily by supply transformer 10
380V voltage between phases is converted to 220V single-phase voltage by the voltage between two phase lines, supply transformer 10, is Switching Power Supply 20
Power supply.220V alternating current is converted to low-voltage DC by Switching Power Supply 20, is powered for main control circuit.Electrical component is set to
In external wire box 40, external wire box 40 is closed when not needing maintenance, replacement electrical component, increases its IP degree of protection.
Cable interface 15 is additionally provided in external wire box 40, cable interface 15 is connect with master control borad 23.Can by cable interface 15 with it is upper
Machine is connected to carry out data interaction.
In the present embodiment, main circuit breaker 9, the main circuit breaker 9 and institute are installed in the external wire box 40
State rectification module connection.Main circuit breaker 9 provides security protection for power circuit.Three masters of the main circuit breaker 9
One copper bar 6 is respectively installed, three phase lines of the copper bar 6 and external three phase mains are separately connected on contact.Copper bar 6 with it is external
Insulator 7 is additionally provided between wire box 40, to increase the creepage distance between copper bar 6 and the box body of external wire box 40.In order to
Reduce the resistance of connector, copper bar 6 generally uses fine copper, however the material of fine copper is soft, is easily deformed, sets insulator herein
7 are arranged fixed creepage distance between copper bar 6 and the box body of external wire box 40, prevent copper bar 6 from deforming and accident and external connection
Box 40 is powered, and causes safety accident.Indicator light 3 is additionally provided on the box body of external wire box 40, it is disconnected that 3 one end of indicator light connects main power
The input terminal of road device 9, its other end connection rectification module, is used to indicate the on/off of whole equipment.
In the present embodiment, the fuel tank 1 is closed setting, is set at the top of the fuel tank 1 there are two lifting lug 11, is conducive to fuel tank 1
Power supply is moved when being assembled with cabinet 2 and when entire power supply is installed.Oil inlet 26 is equipped at the top of the fuel tank 1, it is described
Oil inlet 26 runs through the bottom of the cabinet 2；1 lower part of fuel tank is equipped with oil outlet 18, and 1 shell of fuel tank is equipped with ripple
Piece 5.Be additionally provided with exhaust valve on the oil inlet 26, oil inlet 26, exhaust valve, oil outlet 18 setting is convenient for assembly and dimension
Vacuum oil-pumping is carried out during repairing.The setting of corrugated plate 5 increases the heat dissipation area on 1 surface of fuel tank, improves the heat dissipation of fuel tank 1
Efficiency can effectively radiate for main transformer and high voltage silicon rectifier stack.The top of fuel tank 1 is additionally provided with oil observing window 4, in order to monitor fuel tank 1
Internal insulating oil oil mass and insulation oil condition.
In the present embodiment, the lower part in the cabinet 2 is also equipped with aerofoil fan 38, and the aerofoil fan 38 goes out gas side
It is arranged close to the outlet housing 16, the aerofoil fan 38 is connect with the Switching Power Supply 20.Aerofoil fan 38 mentions in air duct
For power, the air at outlet housing 16 is pumped into cabinet 2, and is discharged from outlet housing 16, to realize outside air and machine
Heat exchange inside cabinet 2.
The quantity of Switching Power Supply 20 is two, and two Switching Power Supplies 20 are connect with the secondary of supply transformer 10 respectively,
The direct current output of one of Switching Power Supply 20 is 24V, provides power supply for aerofoil fan 38；Another Switching Power Supply 20 it is straight
Stream output is (positive and negative) 15V and 5V, provides power supply for master control borad 23.
In the present embodiment, the inlet end downward bending of air intake cover 8, the inlet end it is opening down；The outlet housing 16
Outlet side upper edge downward bending, the outlet side it is opening down.Open Side Down the setting of air intake cover 8 and outlet housing 16,
It prevents rainwater to flow into cabinet 2, reduce the class of insulation of component in air duct in cabinet 2, ensure that IP protection of cabinet 2 etc.
Grade.
The power circuit package of high-frequency and high-voltage power supply and main control circuit component are integrated in by the technical solution of the present embodiment
It is compact-sized in one cabinet 2, it is small in size, it is conducive to installation；In 2 lower part of cabinet, air intake cover 8,2 ontology of cabinet, goes out partition 39
Fan housing 16 complements each other to form air duct, and power circuit package is located in air duct, and the wind flowed through and 2 internal component of cabinet carry out heat
Exchange is effectively electrical component cooling；The air inlet bending of air intake cover 8 is down-set, and water droplet is effectively prevent to enter cabinet 2
It is interior, improve the IP degree of protection of cabinet 2；The closed setting of fuel tank 1, main transformer are set in fuel tank 1, by insulating oil and
The metal surface of fuel tank 1 and air carry out heat exchange, and entire power-supply system thermal diffusivity is preferable, ensures what power supply was run for a long time with this
Reliability, conducive to the service life for extending power supply.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply, which is characterized in that including machine that is setting up and down and being fixedly connected
Cabinet (2) and fuel tank (1)；External wire box (40), air intake cover (8), outlet housing (16) are respectively equipped on the side of the cabinet (2),
The air intake cover (8), the outlet housing (16) extend through the side wall of the cabinet (2)；It is equipped in the cabinet (2) up and down
It is layered the main control circuit component and power circuit package of setting, the main control circuit component and power circuit package electricity
Connection；Main transformer and high voltage silicon rectifier stack, the secondary of the main transformer and the high voltage silicon rectifier stack electricity are installed in the fuel tank (1)
The primary of connection, the main transformer is connect by electrical connector with the power circuit package；Installation on the outside of the fuel tank (1)
Have horn-like EHT cage (17), outwardly, it is defeated that EHT cage (17) center is equipped with high pressure to the wide opening of the EHT cage (17)
Binding post out, the High voltage output binding post pass through the fuel tank (1) and connect with the high voltage silicon rectifier stack.
2. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply according to claim 1, which is characterized in that the cabinet
(2) lower part in is equipped with rectification module, inverter module, and the rectification module, the inverter module pass through aluminum profile heat sink
(35) it is mounted in the cabinet (2)；The inverter module includes that IGBT module (36), IGBT driving board (31) and IGBT connect
Fishplate bar (32), the IGBT module (36) are mounted on the aluminum profile heat sink (35), IGBT driving board (31) installation
On the IGBT connecting plate (32), the IGBT connecting plate (32) is mounted on the aluminum profile heat sink (35) and described
IGBT connecting plate (32) connects the driving stage of the IGBT module (36)；The rectification module includes being separately mounted to the aluminium profiles
Silicon-controlled (34), thyristor (37) on material heat sink (35), metal shell resistance (33), filter capacitor (24)；The cabinet (2)
It is also equipped in interior lower inner wall resonant capacitance (27), the rectification module, the inverter module, the resonant capacitance (27)
Form the power circuit package.
3. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply according to claim 2, which is characterized in that the cabinet
(2) lower part in is also equipped with laminated bus bars (25), and anti-bias magnetoelectricity sense (19), institute are equipped on the laminated bus bars (25)
It states laminated bus bars (25) and the rectification module, the IGBT module (36), resonance electricity is separately connected by electrical connector
Hold (27), the anti-bias magnetoelectricity sense (19), main transformer primary.
4. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply according to claim 3, which is characterized in that the cabinet
(2) lower part in is also equipped with big copper binding post (28), the big copper binding post (28) pass through the bottom in the cabinet (2) with
And fuel tank (1) bottom, the both ends of the big copper binding post (28) are separately connected the laminated bus bars (25) and the master
Primary.
5. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply according to claim 1, which is characterized in that the cabinet
(2) middle part is equipped with the partition (39) being laterally arranged, and the basal surface position of the partition (39) is higher than the air intake cover (8) and institute
State outlet housing (16) setting；Master control borad (23), driving plate (21), Switching Power Supply (20), institute are installed above the partition (39)
Master control borad (23) is stated to be electrically connected with the driving plate (21), the Switching Power Supply (20) respectively；The master control borad (23), the drive
Movable plate (21), the Switching Power Supply (20) form the main control circuit component.
6. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply according to claim 5, which is characterized in that the external connection
Miniature circuit breaker (12), supply transformer (10) are installed, the miniature circuit breaker (12) connects the power supply and becomes in box (40)
The secondary of the primary of depressor (10), the supply transformer (10) connects the Switching Power Supply (20), the Switching Power Supply (20)
Connect the master control borad (23).
7. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply according to claim 2, which is characterized in that the external connection
It is equipped with main circuit breaker (9) in box (40), the main circuit breaker (9) connect with the rectification module.
8. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply according to claim 2, which is characterized in that the fuel tank
(1) it is closed setting, is equipped with oil inlet (26) at the top of the fuel tank (1), the oil inlet (26) runs through the bottom of the cabinet (2)
Portion；Fuel tank (1) lower part is equipped with oil outlet (18), and fuel tank (1) shell is equipped with corrugated plate (5).
9. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply according to claim 5, which is characterized in that the cabinet
(2) lower part in is also equipped with aerofoil fan (38), and the gas side that goes out of the aerofoil fan (38) is set close to the outlet housing (16)
It sets, the aerofoil fan (38) connect with the Switching Power Supply (20).
10. a kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply according to claim 1, which is characterized in that air intake cover (8)
Inlet end downward bending, the inlet end it is opening down；The outlet side downward bending of the outlet housing (16), the outlet
That holds is opening down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647306.9A CN110339944A (en) | 2019-07-17 | 2019-07-17 | A kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647306.9A CN110339944A (en) | 2019-07-17 | 2019-07-17 | A kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110339944A true CN110339944A (en) | 2019-10-18 |
Family
ID=68174782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910647306.9A Pending CN110339944A (en) | 2019-07-17 | 2019-07-17 | A kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110339944A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10328585B3 (en) * | 2003-06-25 | 2005-04-14 | Siemens Ag | Electrostatic filter with overvoltage protection |
| CN200956546Y (en) * | 2006-10-11 | 2007-10-03 | 龙岩市安特电子有限公司 | High-frequency high-voltage power supply for electric dust extraction |
| CN102500468A (en) * | 2011-10-18 | 2012-06-20 | 艾尼科环保技术(安徽)有限公司 | High-voltage and medium-frequency power supply for electrostatic dust collector and power supply method thereof |
| CN206461231U (en) * | 2016-12-21 | 2017-09-01 | 武汉东城新能源有限公司 | A kind of novel high-frequency dedusting power source |
| CN207542574U (en) * | 2017-06-01 | 2018-06-26 | 武汉东城新能源有限公司 | A kind of high-frequency dust removing power supply |
-
2019
- 2019-07-17 CN CN201910647306.9A patent/CN110339944A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10328585B3 (en) * | 2003-06-25 | 2005-04-14 | Siemens Ag | Electrostatic filter with overvoltage protection |
| CN200956546Y (en) * | 2006-10-11 | 2007-10-03 | 龙岩市安特电子有限公司 | High-frequency high-voltage power supply for electric dust extraction |
| CN102500468A (en) * | 2011-10-18 | 2012-06-20 | 艾尼科环保技术(安徽)有限公司 | High-voltage and medium-frequency power supply for electrostatic dust collector and power supply method thereof |
| CN206461231U (en) * | 2016-12-21 | 2017-09-01 | 武汉东城新能源有限公司 | A kind of novel high-frequency dedusting power source |
| CN207542574U (en) * | 2017-06-01 | 2018-06-26 | 武汉东城新能源有限公司 | A kind of high-frequency dust removing power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206774951U (en) | A kind of radiating ring main unit certainly | |
| CN107069891A (en) | A kind of electric automobile charging station based on high withstand voltage IGBT DC distributions | |
| CN207339303U (en) | High power DC charger | |
| CN107453462A (en) | A kind of High-reliability large-power DC charging motor | |
| CN102025261A (en) | Air-cooled converter power module system | |
| CN206878529U (en) | Concentrate radiating high-power DC charging module | |
| CN107453620B (en) | High-frequency synchronous rectification switching power supply | |
| CN201726303U (en) | High-power high-voltage inverter power unit | |
| CN106487255A (en) | Current transformer | |
| CN206117530U (en) | High frequency rectification device | |
| CN110504847A (en) | A kind of AC-DC converter based on PFC+LLC topology | |
| CN110198129A (en) | A kind of powerful synchronous rectification high frequency switch power | |
| CN201142530Y (en) | Ventiduct structure of great current switch cabinet | |
| CN110339944A (en) | A kind of miniaturization 1.2A electric precipitation high-frequency and high-voltage power supply | |
| CN216905797U (en) | Modular DC-DC energy storage adapter | |
| CN216122233U (en) | Auxiliary charging box | |
| CN214588399U (en) | Energy-saving distribution transformer with insulation protection structure | |
| CN112152424B (en) | Compact air-cooled static frequency converter power cabinet | |
| CN109494992A (en) | A kind of frequency converter | |
| CN207304036U (en) | Electric automobile charging station based on high voltage IGBT DC distributions | |
| CN201726308U (en) | Ultrahigh-power, high-voltage and variable-frequency soft-start power unit | |
| CN208209797U (en) | A kind of switching mode microwave high pressure power supply based on multimedium heat exchange heat dissipation | |
| CN207218546U (en) | High-frequency synchronous rectifier switch power supply | |
| CN206698097U (en) | A kind of high frequency switch power for saving Quick Oxidation | |
| CN219875025U (en) | Box type movable ice melting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |
|
| RJ01 | Rejection of invention patent application after publication |