CN202796310U - LC (Inductive-Capacitive) resonance based resonant inductor of inverter welding machine - Google Patents
LC (Inductive-Capacitive) resonance based resonant inductor of inverter welding machine Download PDFInfo
- Publication number
- CN202796310U CN202796310U CN 201220520376 CN201220520376U CN202796310U CN 202796310 U CN202796310 U CN 202796310U CN 201220520376 CN201220520376 CN 201220520376 CN 201220520376 U CN201220520376 U CN 201220520376U CN 202796310 U CN202796310 U CN 202796310U
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- magnetic core
- device based
- resonant inductance
- inverter type
- inductance device
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Abstract
The utility model relates to a resonant inductor of an inverter welding machine, in particular to the resonant inductor for realizing soft switching of the inverter welding machine based on LC (Inductive-Capacitive) resonance, belonging to the technical field of transformers. The resonant inductor is characterized in that a magnetic core (11) is composed of at least two magnetic rings (3) stacked together and an epoxy resin support (5) arranged between two adjacent magnetic rings, a coil winding (12) is composed of a seven-turn wire winding wound on each magnetic core at interval uniformly, two leads behind the coil windings are respectively sleeved with a polyvinyl chloride paint pipe (13), each lead end is provided with a cold pressing joint (2), the cold pressing joints and the polyvinyl chloride paint pipes are tightened in a shrinkage way after being sleeved with heat shrink tubes (1), and epoxy resin plates (6) are arranged at two ends behind the coil windings of the magnetic cores (11) and are fixed through copper screws (7). The resonant inductor disclosed by the utility model is good in heat radiating effect, low in cost, small in size, firm in structure, and capable of realizing a control manner of phase-shifted full-bridge inversion soft switching for the inverter welding machine in a better way.
Description
Technical field
The utility model relates to a kind of inverter type welder resonant inductance, and particularly a kind of resonant inductance device based on the soft switch of LC resonance realization inverter type welder belongs to the transformer technology field.
Background technology
In the prior art, the resonant inductance of the inverter type welder that exists at present has that heat radiation is bad, cost is high, complex structure and unstable problem, cause inverter type welder resonant inductance abnormal sound when work, heating is serious, and because structure problem causes the phenomenon that resonant inductance shatters in the transportation, thereby affect welder performance.
The utility model content
According to above the deficiencies in the prior art, the technical problems to be solved in the utility model is: provide a kind of good heat dissipation effect, cost is low, volume is little, sound construction, can make inverter type welder better realize the inverter type welder resonant inductance device based on LC resonance of the control mode of phase-shifting full-bridge soft switch of inverter welding machine.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of inverter type welder resonant inductance device based on LC resonance, comprise the coil windings on magnetic core and the magnetic core, it is characterized in that: described magnetic core is comprised of at least two magnet rings that are stacked together and the epoxy mount that is arranged between adjacent two magnet rings.
Adopt a plurality of magnet rings in parallel, magnetic flux density is large, high-frequency loss is little.The material of magnet ring is high permeability MnZn ferrite, and relative permeability is μ
γ, permeability of vacuum is μ
0, it is N that magnet ring is pricked number, and the sectional area of magnetic core is S, and the ratio of radius and length is K, and the length of magnetic path is L
m, inductance value is:
Saturation time is 1 microsecond.
Described magnet ring and epoxy mount are integrated by glue bond.Sound construction, easy to use.
Described coil windings is comprised of the seven circle wire rod windings that even compartment of terrain is wrapped on the magnetic core, and the wire rod that each circle wire rod winding adopts is comprised of polytetrafluoroethylene grog band and the parallel 30-70 thigh enamelled wire that is arranged in the polytetrafluoroethylene grog band.
The two-layer polytetrafluoroethylene grog band of described 30-70 enamelled wire outside wrapping.
Two lead-in wires after the described coil windings overlap respectively polyvinyl chloride lacquer pipe, and the lead end place arranges cold-pressed joint, and cold-pressed joint and polyvinyl chloride lacquer pipe tighten by the cover heat-shrink tube.
Two ends arrange epoxy resin board behind the described magnetic core coil winding, and epoxy resin board is fixed by brass screw, plain washer, bullet packing ring and nut.Adopt the epoxy resin board clamping, and fix with brass screw, prevent eddy-current heating.
Described brass screw is cross recess coiled hair brass screw.
The beneficial effect that the utility model has is: described inverter type welder resonant inductance device based on LC resonance adopts a plurality of magnet rings in parallel, and magnetic flux density is large, high-frequency loss is little; Add epoxy mount between the magnet ring, space, good heat dissipation effect are arranged between the magnet ring; Adopt the epoxy resin board clamping, and fix with brass screw, prevent eddy-current heating; This resonant inductance device can be made saturated anti-electrical equipment, and saturation time is 1 microsecond, can utilize no-voltage or the zero-current switching of the method realization switching tube of LC resonance, makes its switching loss approach zero.The utility model good heat dissipation effect, cost is low, volume is little, sound construction, can make inverter type welder better realize the control mode of phase-shifting full-bridge soft switch of inverter welding machine.
Description of drawings
Fig. 1 is the utility model structural representation;
Wherein: 1, heat-shrink tube 2, cold-pressed joint 3, magnet ring 4, enamelled wire 5, epoxy mount 6, epoxy resin board 7, brass screw 8, plain washer 9, bullet packing ring 10, nut 11, magnetic core 12, coil windings 13, polyvinyl chloride lacquer pipe.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
As Figure 1-3, inverter type welder resonant inductance device based on LC resonance, comprise the coil windings 12 on magnetic core 11 and the magnetic core 11, it is characterized in that: described magnetic core 11 is comprised of at least two magnet rings that are stacked together 3 and the epoxy mount 5 that is arranged between adjacent two magnet rings 3, and magnet ring 3 and epoxy mount 5 are integrated by glue bond.Coil windings 12 is comprised of the seven circle wire rod windings that even compartment of terrain is wrapped on the magnetic core 11, the wire rod that each circle wire rod winding adopts is comprised of polytetrafluoroethylene grog band and parallel 30-70 strands of enamelled wires that are arranged in the polytetrafluoroethylene grog band, the two-layer polytetrafluoroethylene grog band of 30-70 enamelled wires outside wrapping.Two lead-in wires after the coil windings 12 overlap respectively polyvinyl chloride lacquer pipe 13, and the lead end place arranges cold-pressed joint 2, and cold-pressed joint 2 and polyvinyl chloride lacquer pipe 13 tighten by overlapping heat-shrink tube 1.Two ends arrange epoxy resin board 6 after magnetic core 11 coil windings, and epoxy resin board 6 is fixing by brass screw 7, plain washer 8, bullet packing ring 9 and nut 10, and brass screw 7 is cross recess coiled hair brass screw.
Operation principle and use procedure:
The utility model is stuck in them on three epoxy mounts with four magnet ring parallel connections, and fixes with 502 glue.Secondly coiling is surrounded by teflin tape multiply enamelled wire around magnet ring seven circles with what get ready, and two exits package polyvinyl chloride lacquer pipe, press cold-pressed joint, and heat-shrink tube tightens.The epoxy resin board that last two ends add two suitable sizes is fixed with brass screw.
Claims (7)
1. inverter type welder resonant inductance device based on LC resonance, comprise the coil windings (12) on magnetic core (11) and the magnetic core (11), it is characterized in that: described magnetic core (11) is comprised of at least two magnet rings that are stacked together (3) and the epoxy mount (5) that is arranged between adjacent two magnet rings (3).
2. the inverter type welder resonant inductance device based on LC resonance according to claim 1, it is characterized in that: described magnet ring (3) and epoxy mount (5) are integrated by glue bond.
3. the inverter type welder resonant inductance device based on LC resonance according to claim 1, it is characterized in that: described coil windings (12) is comprised of the seven circle wire rod windings that even compartment of terrain is wrapped on the magnetic core (11), and the wire rod that each circle wire rod winding adopts is comprised of polytetrafluoroethylene grog band and parallel 30-70 strands of enamelled wires that are arranged in the polytetrafluoroethylene grog band.
4. the inverter type welder resonant inductance device based on LC resonance according to claim 3 is characterized in that: the two-layer polytetrafluoroethylene grog band of described 30-70 enamelled wires outside wrapping.
5. the inverter type welder resonant inductance device based on LC resonance according to claim 1, it is characterized in that: two lead-in wires after the described coil windings (12) overlap respectively polyvinyl chloride lacquer pipe (13), the lead end place arranges cold-pressed joint (2), and cold-pressed joint (2) and polyvinyl chloride lacquer pipe (13) tighten by cover heat-shrink tube (1).
6. the inverter type welder resonant inductance device based on LC resonance according to claim 1, it is characterized in that: two ends arrange epoxy resin board (6) after described magnetic core (11) coil windings, and epoxy resin board (6) is fixing by brass screw (7), plain washer (8), bullet packing ring (9) and nut (10).
7. the inverter type welder resonant inductance device based on LC resonance according to claim 6, it is characterized in that: described brass screw (7) is cross recess coiled hair brass screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220520376 CN202796310U (en) | 2012-10-11 | 2012-10-11 | LC (Inductive-Capacitive) resonance based resonant inductor of inverter welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220520376 CN202796310U (en) | 2012-10-11 | 2012-10-11 | LC (Inductive-Capacitive) resonance based resonant inductor of inverter welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796310U true CN202796310U (en) | 2013-03-13 |
Family
ID=47823521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220520376 Expired - Fee Related CN202796310U (en) | 2012-10-11 | 2012-10-11 | LC (Inductive-Capacitive) resonance based resonant inductor of inverter welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796310U (en) |
-
2012
- 2012-10-11 CN CN 201220520376 patent/CN202796310U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20151011 |
|
| EXPY | Termination of patent right or utility model |