CN206717243U - A kind of PFC inverter type welders - Google Patents
A kind of PFC inverter type welders Download PDFInfo
- Publication number
- CN206717243U CN206717243U CN201720349411.0U CN201720349411U CN206717243U CN 206717243 U CN206717243 U CN 206717243U CN 201720349411 U CN201720349411 U CN 201720349411U CN 206717243 U CN206717243 U CN 206717243U
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- circuit
- pfc
- input
- output end
- inverter type
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- 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.)
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a kind of PFC inverter type welders, including rectification circuit, filter circuit, inverse changing driving circuit, transformer rectification circuit, output circuit, detection circuit and frequency control circuit；Wherein, PFC inverter type welders also include pfc circuit；Rectification circuit, pfc circuit, filter circuit, inverse changing driving circuit, transformer rectification circuit, output circuit, detection circuit and frequency control circuit are sequentially connected；The beneficial effects of the utility model are：Structure is reliable, stable, economizing on energy and electricity, and operating efficiency is high, and power factor is high.
Description
Technical field:
It the utility model is related to a kind of welding machine, and in particular to a kind of PFC inverter type welders.
Background technology：
Electric welding machine is actually with the transformer for declining external characteristics, 220V and 380V alternating currents are changed into the straight of low pressure
Stream electricity, electric welding machine typically can be divided into two kinds by out-put supply species, and a kind of is AC power；A kind of is direct current.Direct current
Electric welding machine it may be said that and a powerful rectifier, divide both positive and negative polarity, when alternating current inputs, after transformer transformation, then
By rectifier rectification, then output can produce huge electricity when switching on and off with the power supply for declining external characteristics, output end
Buckling, ignite electric arc in instantaneous short circuit at the two poles of the earth, is reached later come consumable electrode and wlding, cooling using caused electric arc
The purpose for combining them.
PFC English full name for " Power Factor Correct ion ", mean " PFC ", power because
Number refers to relations between effective power and total power consumption (apparent energy), that is, effective power divided by total power consumption (depending on
In power) ratio.Substantially power factor can weigh the degree that electric power is used effectively, when power factor value is bigger, generation
Its electric power utilization rate of table is higher.
The content of the invention：
The purpose of this utility model is to provide a kind of structure reliable, stable, economizing on energy and electricity, and operating efficiency is high, work(
The high PFC inverter type welders of rate factor.
The utility model is achieved through the following technical solutions：
A kind of PFC inverter type welders of the present utility model, including rectification circuit, filter circuit, inverse changing driving circuit, transformer
Rectification circuit, output circuit, detection circuit and frequency control circuit；Wherein, PFC inverter type welders also include pfc circuit；Rectified current
The input on road is connected with external power source, the input connection of output end and pfc circuit；The output end and filtered electrical of pfc circuit
The input connection on road；The output end of filter circuit and the input of inverse changing driving circuit connect；The output of inverse changing driving circuit
End is connected with the input of transformer rectification circuit；The output end of transformer rectification circuit and the input of output circuit connect；
The output end of output circuit is connected with the input and outside electrical appliance for detecting circuit；Detect the output end and FREQUENCY CONTROL of circuit
The input connection of circuit；The output end of frequency control circuit is connected with inverse changing driving circuit.
Above-mentioned PFC inverter type welders, wherein pfc circuit include air switch, the first diode group, filter capacitor, the two or two
Pole pipe group and power inductance；First diode group, filter capacitor and power inductance are mutually in series；Second diode group and power electricity
Feel reverse parallel connection；The output end of air switch is connected with the first diode group；The input of air switch is the defeated of pfc circuit
Enter end.
Above-mentioned PFC inverter type welders, shared diode of the first diode group, are mutually in parallel again after connecting two-by-two.
Above-mentioned PFC inverter type welders, power inductance are magnetic core reactance.
Above-mentioned PFC inverter type welders, filter capacitor are polarity free capacitor.
The beneficial effects of the utility model are：Structure is reliable, stable, economizing on energy and electricity, and operating efficiency is high, power because
Number is high.
Brief description of the drawings：
Fig. 1：Structure connection diagram of the present utility model；
Fig. 2：The circuit diagram of the utility model pfc circuit；
In figure：1- rectification circuits, 2-PFC circuits, 3- filter circuits, 4- inverse changing driving circuits, 5- transformers rectification circuit,
6- output circuits, 7- detections circuit, 8- frequency control circuits, 201- air switches, the first diodes of 202- group, 203- filtered electricals
Appearance, the second diodes of 204- group, 205- power inductances.
Embodiment：
The utility model is described further with reference to the accompanying drawings and detailed description：
Embodiment：A kind of PFC inverter type welders, including rectification circuit 1, filter circuit 3, inverse changing driving circuit 4, transformer are whole
Current circuit 5, output circuit 6, detection circuit 7 and frequency control circuit 8；Wherein, in addition to pfc circuit 2；Above-mentioned rectification circuit 1
Input be connected with external power source, output end is connected with the input of pfc circuit 2；The output end and filtered electrical of pfc circuit 2
The input connection on road 3；The output end of filter circuit 3 is connected with the input of inverse changing driving circuit 4；Inverse changing driving circuit 4
Output end is connected with the input of transformer rectification circuit 5；The output end of transformer rectification circuit 5 and the input of output circuit 6
End connection；The output end of output circuit 6 is connected with the input and outside electrical appliance for detecting circuit 7；Detect the output end of circuit 6
It is connected with the input of frequency control circuit 8；The output end of frequency control circuit 8 is connected with inverse changing driving circuit 4；Wherein, PFC
Circuit also includes air switch 201, the first diode group 202, filter capacitor 203, the second diode group 204 and power inductance
205；Wherein, the first diode group 202, filter capacitor 203 and power inductance 205 are mutually in series；Second diode group 204 and work(
The reverse parallel connection of rate inductance 205；The output end of air switch 201 is connected with the first diode group 202；The input of air switch 201
End is the input of pfc circuit 2；First diode group 202 shares 6 diodes, is mutually in parallel again after connecting two-by-two；Power
Inductance 205 is magnetic core reactance；Filter capacitor 203 is polarity free capacitor.
After the completion of by above-mentioned connected mode, circuit is connected, it is fixed on the frame inside welding machine and radiator, so
Afterwards by welding machine case closing lid；Switch on power and accessory after i.e. can be used；In use, external power source supplies electricity to rectification circuit 1, then
Pass sequentially through pfc circuit 2, filter circuit 3, inverse changing driving circuit 4, transformer rectification circuit 5 and output circuit 6；Detect circuit 7
After detecting output circuit, signal is fed back into frequency control circuit 8, frequency control circuit 8 adjusts inverse changing driving circuit 4 again, real
Existing stable operation of the present utility model；Wherein, the output end of pfc circuit 2 is located at the both ends of filter capacitor 203.
Claims (5)
1. a kind of PFC inverter type welders, including rectification circuit (1), filter circuit (3), inverse changing driving circuit (4), transformer rectification
Circuit (5), output circuit (6), detection circuit (7) and frequency control circuit (8)；It is characterized in that：The PFC inverter type welders,
Also include pfc circuit (2)；The input of the rectification circuit (1) is connected with external power source, and output end is defeated with pfc circuit (2)
Enter end connection；The output end of the pfc circuit (2) is connected with the input of filter circuit (3)；The filter circuit (3) it is defeated
Go out end to be connected with the input of inverse changing driving circuit (4)；The output end of the inverse changing driving circuit (4) and transformer rectification circuit
(5) input connection；The output end of the transformer rectification circuit (5) is connected with the input of output circuit (6)；It is described defeated
The output end for going out circuit (6) is connected with the input of detection circuit (7) and outside electrical appliance；The output of the detection circuit (6)
End is connected with the input of frequency control circuit (8)；The output end of the frequency control circuit (8) and inverse changing driving circuit (4)
Connection.
2. PFC inverter type welders as claimed in claim 1, it is characterised in that：The pfc circuit, including air switch (201),
First diode group (202), filter capacitor (203), the second diode group (204) and power inductance (205)；One or two pole
Pipe group (202), filter capacitor (203) and power inductance (205) are mutually in series；The second diode group (204) and power electricity
Feel (205) reverse parallel connection；The output end of the air switch (201) is connected with the first diode group (202)；The air switch
(201) input is the input of pfc circuit (2).
3. PFC inverter type welders as claimed in claim 2, it is characterised in that：The first diode group (202) shares 6 two
Pole pipe, mutually it is in parallel again after connecting two-by-two.
4. PFC inverter type welders as claimed in claim 2, it is characterised in that：The power inductance (205) is magnetic core reactance.
5. PFC inverter type welders as claimed in claim 2, it is characterised in that：The filter capacitor (203) is polarity free capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720349411.0U CN206717243U (en) | 2017-04-05 | 2017-04-05 | A kind of PFC inverter type welders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720349411.0U CN206717243U (en) | 2017-04-05 | 2017-04-05 | A kind of PFC inverter type welders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206717243U true CN206717243U (en) | 2017-12-08 |
Family
ID=60503164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720349411.0U Expired - Fee Related CN206717243U (en) | 2017-04-05 | 2017-04-05 | A kind of PFC inverter type welders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206717243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211094A (en) * | 2021-12-29 | 2022-03-22 | 浙江业世焊接科技有限公司 | Welding machine control circuit based on PFC circuit |
-
2017
- 2017-04-05 CN CN201720349411.0U patent/CN206717243U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211094A (en) * | 2021-12-29 | 2022-03-22 | 浙江业世焊接科技有限公司 | Welding machine control circuit based on PFC circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20190405 |
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| CF01 | Termination of patent right due to non-payment of annual fee |