CN208226882U - A kind of MOSFET high-frequency inversion power cell - Google Patents
A kind of MOSFET high-frequency inversion power cell Download PDFInfo
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- CN208226882U CN208226882U CN201820837191.0U CN201820837191U CN208226882U CN 208226882 U CN208226882 U CN 208226882U CN 201820837191 U CN201820837191 U CN 201820837191U CN 208226882 U CN208226882 U CN 208226882U
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- water
- mosfet
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- cooled plate
- frequency inversion
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Abstract
The utility model discloses a kind of MOSFET high-frequency inversion power cells, including water-cooled plate and driving plate, the side of the water-cooled plate is fixed with MOSFET group, two MOSFET groups are exported by busbar connector, busbar connector is located between two MOSFET groups, the other side of water-cooled plate is fixed with resistance-capacitance absorption group, and resistance-capacitance absorption group is electrically connected with busbar connector, and water-cooled plate is internally provided with cooling water channel；It is fixed with pcb board between two water-cooled plates, filter capacitor is provided on the pcb board, pcb board is electrically connected with positive/negative plate；Driving plate is electrically connected with MOSFET group.A kind of MOSFET high-frequency inversion power cell of the utility model using the above structure, is able to solve that MOSFET high-frequency inversion power cell water cooling plate bulk is big, problem of filtering and resistance-capacitance absorption effect difference, has the advantages that good heat dissipation effect.
Description
Technical field
The utility model relates to high frequency electrical equipment technical fields, more particularly, to a kind of MOSFET high-frequency inversion power list
Member.
Background technique
HF induction heating apparatus is widely used in the technical process such as metal welding, Metal Melting, heat treatment, thermoforming
Heating method, be chiefly used in the welding of metal vertical masonry joint tubing, semiconductor single-crystal growth, the soldering of various metal products, non-ferrous metal
The heating process of melting.The high-frequency inversion power cell constituted based on MOSFET power device is in HF induction heating apparatus
Important component directly affects the electric property of HF induction heating apparatus, to influence to increase frequency induction heating equipment
Property safe and reliable to operation and working efficiency.Most of HF induction heating apparatus is by MOSFET power device group in actual production
At high-frequency inversion power cell, realize the transmission and transformation of electric energy.
The water-cooled plate based on power device MOSFET high-frequency inversion power cell currently on the market is in thin-walled copper sheet
Weld copper pipe, as the access of cooling medium, other side constant power device MOSFET and resistance-capacitance absorption in side；Due to such knot
Structure water-cooled plate uneven surface, causes water cooling plate surface and power device MOSFET poor contact, and power device MOSFET is often burnt
It ruins, generates major accident.Filter capacitor is directly connect with positive/negative plate, and filter capacitor takes up space larger, filter capacitor lead
Longer, filter effect is poor.Power device MOSFET, resistance-capacitance absorption are fixed on the same side of copper welding copper pipe water-cooled plate, water
Cold plate volume is larger, and resistance-capacitance absorption lead is longer, and resistance-capacitance absorption effect is poor.
Utility model content
The purpose of the utility model is to provide a kind of MOSFET high-frequency inversion power cells, solve MOSFET high-frequency inversion function
Rate unit water cooling plate bulk is big, filtering and resistance-capacitance absorption effect difference problem.
To achieve the above object, the utility model provides a kind of MOSFET high-frequency inversion power cell, including water-cooled plate
And driving plate, the side of the water-cooled plate are fixed with MOSFET group, two MOSFET groups are exported by busbar connector, and busbar connector is located at
Between two MOSFET groups, the other side of water-cooled plate is fixed with resistance-capacitance absorption group, and resistance-capacitance absorption group is electrically connected with busbar connector, water-cooled plate
Be internally provided with cooling water channel；It is fixed with pcb board between two water-cooled plates, filtering is provided on the pcb board
Capacitor, pcb board are electrically connected with positive/negative plate；Driving plate is electrically connected with MOSFET group.
Preferably, the water-cooled plate is copper sheet, and the connecting hole of connection resistance-capacitance absorption group and busbar connector is provided in water-cooled plate.
Preferably, the water channel is in the serpentine-like distribution in the inside of the water-cooled plate.
Preferably, inlet and outlet are provided in water-cooled plate, water channel is through inlet and outlet and external cooling
Device is connected.
MOSFET is arranged in the side of water-cooled plate in a kind of MOSFET high-frequency inversion power cell described in the utility model
Group, the other side are arranged resistance-capacitance absorption group, can reduce the volume of water-cooled plate, and reduce the lead-in inductance of resistance-capacitance absorption, mention
The high peak absorbing ability of high frequency power unit.It is fixed with pcb board between two water-cooled plates, filtering is provided on pcb board
Capacitor, then between pcb board is fixed on positive/negative plate, exterior space shared by filter capacitor lead can be reduced, reduce filtered electrical
Hold lead-in inductance, increase filter capacitor quantity, improves filter capacity.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of MOSFET high-frequency inversion power cell embodiment of the utility model；
Fig. 2 is a kind of sectional view of MOSFET high-frequency inversion power cell embodiment of the utility model；
Fig. 3 is a kind of pcb board structural schematic diagram of MOSFET high-frequency inversion power cell embodiment of the utility model；
Fig. 4 is a kind of water-cooled plate structural schematic diagram of MOSFET high-frequency inversion power cell embodiment of the utility model；
Appended drawing reference
1, water-cooled plate；2, busbar connector；3, MOSFET group；4, driving plate；5, pcb board；6, filter capacitor；7, resistance-capacitance absorption
Group；8, water inlet；9, water outlet；10, water channel.
Specific embodiment
Embodiment
Fig. 1 is a kind of structural schematic diagram of MOSFET high-frequency inversion power cell embodiment of the utility model；
Fig. 2 is a kind of sectional view of MOSFET high-frequency inversion power cell embodiment of the utility model；Fig. 3 is that this is practical new
A kind of pcb board structural schematic diagram of MOSFET high-frequency inversion power cell embodiment of type；Fig. 4 is a kind of MOSFET of the utility model
The water-cooled plate structural schematic diagram of high-frequency inversion power cell embodiment.As shown in Figs 1-4, a kind of MOSFET high-frequency inversion power list
Member, including water-cooled plate 1 and driving plate 4.There are two the settings of water-cooled plate 1, and the side of water-cooled plate 1 is fixed with MOSFET group 3, and two
MOSFET group 3 is exported by busbar connector 2, and busbar connector 2 is located between two MOSFET groups 3.1 other side of water-cooled plate is fixed with capacitance-resistance
Absorption group 7, the connecting hole that resistance-capacitance absorption group 7 passes through in water-cooled plate 1 are electrically connected with busbar connector 2.By resistance-capacitance absorption group 7 and MOSFET group
3 are separately positioned on the two sides of water-cooled plate 1, and water-cooled plate 1 can simultaneously cool down it, and reduce the volume of water-cooled plate 1
With the lead-in inductance of resistance-capacitance absorption, the peak absorbing ability of high frequency power unit is improved.Water-cooled plate 1 be copper sheet, water-cooled plate 1 it is interior
Portion is provided with cooling water channel 10, water inlet 8 and water outlet 9 and external cooling device phase on the water cooled plate 1 of water channel 10
Connection.Water channel 10 is in the serpentine-like distribution in the inside of water-cooled plate 1, and the surface of such water-cooled plate 1 can accurately be processed, surface is flat
It is whole, it is well contacted with MOSFET radiating bottom plate, reduces thermal resistance, improve the heat-sinking capability of MOSFET, guarantee the function of MOSFET
Rate output.
It is fixed with pcb board 5 between two water-cooled plates 1, filter capacitor 6 is provided on pcb board 5, pcb board 5 is fixed on positive and negative
It is electrically connected between pole plate with positive/negative plate.Filter capacitor 6 is arranged on pcb board 5,6 quantity of filter capacitor can be increased, reduces filtering
Space and lead-in inductance shared by 6 lead of capacitor increase filter capacity.Driving plate 4 be located at the lower section of MOSFET group 3 and with its electricity
Even.
Therefore, a kind of MOSFET high-frequency inversion power cell of the utility model using the above structure, is able to solve
MOSFET high-frequency inversion power cell water cooling plate bulk is big, filtering and resistance-capacitance absorption effect difference problem, with good heat dissipation effect
The advantages of.
It is specific embodiment of the present utility model above, but the protection scope of the utility model should not be limited to thoses mentioned above.Appoint
What those skilled in the art is in the technical scope disclosed by the utility model, and any changes or substitutions that can be easily thought of,
It should be covered within the scope of the utility model, therefore the protection scope of the utility model should be limited with claims
Subject to fixed protection scope.
Claims (4)
1. a kind of MOSFET high-frequency inversion power cell, it is characterised in that: including water-cooled plate and driving plate, the one of the water-cooled plate
Side is fixed with MOSFET group, and two MOSFET groups are exported by busbar connector, and busbar connector is located between two MOSFET groups, water-cooled plate
The other side be fixed with resistance-capacitance absorption group, resistance-capacitance absorption group is electrically connected with busbar connector, and water-cooled plate is internally provided with cooling water
Road；It is fixed with pcb board between two water-cooled plates, filter capacitor, pcb board and positive/negative plate electricity are provided on the pcb board
Even；Driving plate is electrically connected with MOSFET group.
2. a kind of MOSFET high-frequency inversion power cell according to claim 1, it is characterised in that: the water-cooled plate is copper
Plate is provided with the connecting hole of connection resistance-capacitance absorption group and busbar connector in water-cooled plate.
3. a kind of MOSFET high-frequency inversion power cell according to claim 1, it is characterised in that: the water channel is described
The serpentine-like distribution in the inside of water-cooled plate.
4. a kind of MOSFET high-frequency inversion power cell according to claim 1, it is characterised in that: be provided in water-cooled plate
Inlet and outlet, water channel are connected through inlet and outlet with external cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820837191.0U CN208226882U (en) | 2018-05-31 | 2018-05-31 | A kind of MOSFET high-frequency inversion power cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820837191.0U CN208226882U (en) | 2018-05-31 | 2018-05-31 | A kind of MOSFET high-frequency inversion power cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208226882U true CN208226882U (en) | 2018-12-11 |
Family
ID=64507274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820837191.0U Active CN208226882U (en) | 2018-05-31 | 2018-05-31 | A kind of MOSFET high-frequency inversion power cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208226882U (en) |
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2018
- 2018-05-31 CN CN201820837191.0U patent/CN208226882U/en active Active
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