CN207200584U - High Frequency Solid State electric power main circuit and all-in-one - Google Patents
High Frequency Solid State electric power main circuit and all-in-one Download PDFInfo
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- CN207200584U CN207200584U CN201721056460.1U CN201721056460U CN207200584U CN 207200584 U CN207200584 U CN 207200584U CN 201721056460 U CN201721056460 U CN 201721056460U CN 207200584 U CN207200584 U CN 207200584U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model belongs to induction heating power technical field, a kind of High Frequency Solid State electric power source all-in-one machine main circuit is proposed, including SCR rectification circuit, IGBT high-frequency inverter circuits, high frequency transformer, fast recovery diode rectification circuit, high frequency MOS inverter circuits and the LC resonance output circuits being sequentially connected；The utility model also proposed a kind of High Frequency Solid State electric power source all-in-one machine, including framework, framework is disposed with space one, space two, space three and space four from inlet wire direction, separated between space one and space two by controllable silicon installing plate and IGBT cabinets relay board, separated between space two and space three by the first bus-bar, separated between space three and space four by the second bus-bar.Pass through above-mentioned technical proposal, solve the problems, such as High Frequency Solid State electrical source power factor is low in the prior art, be laid out and install it is inconvenient.
Description
Technical field
The utility model belongs to induction heating power technical field, is related to High Frequency Solid State electric power main circuit and all-in-one.
Background technology
High Frequency Solid State power supply and induction heating technique are widely used in hot-working of all trades and professions to metal material, Re Chu
In the technique such as reason, hot assembly and welding, melting.It not only can integrally be heated to workpiece, moreover it is possible to the specific aim local to workpiece
Heating；It is diathermanous that the deep layer of workpiece can be achieved, also heating only can be concentrated to its surface, top layer；Not only metal material can directly be added
Heat, can also indirect type heating be carried out to nonmetallic materials.Therefore, induction heating technique will be in all trades and professions using increasingly
Extensively.
High Frequency Solid State power supply uses common ac-dc-ac inverter structure, and three-phase 380V power supplys become through the decompression in switch cubicle
After depressor and main contactor, the rectifier in feeding power cabinet, rectifier uses three-phase thyristor full-controlled rectifier bridge, passes through control
Turn on thyristors delay angle, reach the purpose of regulation power supply power output, the filtered link of DC voltage after rectification is sent into high
Frequency inverter, single-phase high frequency power supply is produced by high-frequency inverter inversion and is sent into resonance circuit, sensed device exports high-frequency energy, complete
Into steel-pipe welding.Controllable silicon is phased device, and phase shifting control is must have when rectification works, and otherwise can not fulfil voltage stabilizing or tune
The function of work(, it will so make voltage on line side electric current that phase offset occur, cause power factor to decline；It is in addition, conventional solid
State high frequency electric source uses split-type structural, and also supporting power transformer, system is huge, floor space is wide, is laid out inconvenience etc., from
And the layout and installation of client factory are brought inconvenience.
Utility model content
The utility model proposes High Frequency Solid State electric power main circuit and all-in-one, solves High Frequency Solid State power supply in the prior art
Power factor is low, is laid out and installs the problem of inconvenient.
What the technical solution of the utility model was realized in：
High Frequency Solid State electric power source all-in-one machine main circuit, including：
Including SCR rectification circuit, IGBT high-frequency inverter circuits, high frequency transformer, the fast recovery diode being sequentially connected
Rectification circuit, high frequency MOS inverter circuits and LC resonance output circuits.
Further, connected between the SCR rectification circuit and the IGBT high-frequency inverter circuits by filter reactance,
Passed sequentially through between the fast recovery diode rectification circuit and the high frequency MOS inverter circuits flow reactance, flat ripple reactance and
The reactance of inversion inlet wire connects, and is connected between the positive pole and negative pole of the high frequency MOS inverter circuits by short-circuit reactance.
The utility model also proposed a kind of High Frequency Solid State electric power source all-in-one machine, including framework, and the framework is from inlet wire direction
Space one, space two, space three and space four are disposed with, is pacified between the space one and the space two by controllable silicon
Loading board and IGBT cabinets relay board separate, and are separated between the space two and the space three by the first bus-bar, the sky
Between between three and the space four by the second bus-bar separate,
The SCR rectification circuit, the IGBT high-frequency inverter circuits are disposed with the space one from top to bottom
With the high frequency transformer, the fast recovery diode rectification circuit is provided with the space two, is set in the space three
There are the high frequency MOS inverter circuits, the LC resonance output circuits are provided with the space four.
Further, the SCR rectification circuit is arranged on the controllable silicon installing plate, on the controllable silicon installing plate
Lead-in circuit breaker is additionally provided with, the lead-in circuit breaker is connected with the SCR rectification circuit, and whole positioned at the controllable silicon
The current circuit back side, the controllable silicon installing plate downside are provided with IGBT cabinet relay boards, and the IGBT high-frequency inverter circuits are set
On the IGBT cabinets relay board.
Further, filter reactance is additionally provided with the space two, the filter reactance is arranged on reactance support, and position
In the back side of the IGBT high-frequency inverter circuits, be disposed with the downside of the reactance support fast recovery diode rectification circuit and
Flow reactance, the side on first bus-bar close to the space two is provided with inversion inlet wire reactance, described to flow reactance
Flat ripple reactance is provided between the inversion inlet wire reactance.
Further, the high frequency MOS inverter circuits both ends are separately positioned on first bus-bar and described second and confluxed
On row.
Further, the side in the space four is provided with short-circuit reactance, the short circuit electricity on second bus-bar
Anti- downside is disposed with welded tube capacitor box and output bus-bar from inlet wire direction, and the welded tube capacitor box is two layers, two layers of institute
State and be provided with capacitance connection bus-bar between welded tube capacitor box.
Further, relay board is additionally provided with the space two, the relay board is located at the rear side of the reactance support, institute
State and the relay being sequentially connected, power supply, control panel and terminal are provided with relay board, the power supply includes isolating transformer and opened
Powered-down source.
The beneficial effects of the utility model are：
1st, SCR rectification circuit carries out full-wave rectification to three-phase alternating-current supply, controls the angle of flow of controllable silicon to minimum,
Power factor is up to more than 0.9；It is inverse that the DC voltage that IGBT high-frequency inverter circuits export to SCR rectification circuit carries out high frequency
Become, using PWM mode, in that context it may be convenient to power factor is adjusted, while under high frequency environment, it is high that rear class can be achieved
The miniaturization of frequency power transformer volume；The high-frequency and high-voltage that high frequency transformer exports to IGBT high-frequency inverter circuits is depressured, every
Rectification is carried out from, alternating voltage that fast recovery diode rectification circuit exports to high frequency transformer, and diode rectification is in theory not
Voltage current phase difference is produced, power factor is approximately 1, and the 300Hz ripple component very littles of diode rectification output, and with
It is unrelated to load weight；The DC voltage that fast recovery diode rectification circuit exports is reverse into single-phase height by high frequency MOS inverter circuits
Frequency power is sent into LC resonance output circuits, exports high-frequency energy, carries out steel-pipe welding.Such circuit design conveniently carries out power
The regulation of factor, and power factor can be improved.
2nd, filter reactance is used to be filtered the DC voltage of SCR rectification circuit output, is rear class IGBT high frequencies
Inverter circuit provides steady dc voltage；Commutation diode in parallel in fast recovery diode rectification circuit is realized in stream reactance
Between stream, avoiding some commutation diodes, over-burden and burns；Flat ripple reactance is used for fast recovery diode rectified current
The DC voltage of road output is filtered, and steady dc voltage is provided for rear class high frequency MOS inverter circuits；Inversion inlet wire reactance
It can prevent the high-frequency signal that high frequency MOS inverter circuits export from passing back to prime, cause front stage to influence each other；Short-circuit reactance is used
The balance of voltage between the positive pole and negative pole of high frequency MOS inverter circuits is realized.
3rd, the utility model High Frequency Solid State electric power source all-in-one machine uses single cabinet body structure, compact, easy-to-connect, it is only necessary to three
Phase power supply, it can flexibly place, be brought great convenience to client；Each circuit is laid out according to inlet wire direction, had
Line nearby is realized between each module of electric connecting relation, reduces lead-in inductance, avoids lead-in inductance under high frequency environment
The a series of problems brought.
4th, lead-in circuit breaker be used for give SCR rectification circuit provide three phase mains, therefore by the two be connected to one piece it is controllable
On silicon installing plate, reduce line therebetween；Lead between IGBT high-frequency inverter circuits and high frequency transformer is oversize, meeting
Cause that lead-in inductance is big, IGBT switch concussions are big, IGBT can be caused to damage, therefore it is inverse that high frequency transformer is arranged on into IGBT high frequencies
Become the most reasonable below circuit.
5th, filter reactance is arranged on the IGBT high-frequency inverter circuits back side, meets connection principle nearby, and filter reactance with
Electric capacity inside IGBT high-frequency inverter circuits forms LC filter circuits, is advantageous to suppress harmonic wave；By fast recovery diode rectified current
Road and stream reactance are successively set on the downside of reactance support, are advantageous to fast recovery diode rectification circuit and high frequency transformer,
The shortest path installation between reactance is flowed, and space utilization is reasonable；It is defeated that flat ripple reactance one terminates fast recovery diode rectification circuit
Go out, another termination inversion inlet wire reactance, and flat ripple reactance is device most heavy in each module, is placed it in close to centre
Position, ballast balance can be played a part of, while can also shorten line as far as possible；The reactance of inversion inlet wire is used for high frequency MOS inversions
High-frequency signal in circuit passes back to front stage circuits, therefore should be disposed at as close to high frequency busbar, the utility model
On first bus-bar.
6th, high frequency MOS inverter circuits are high-frequency inversion device, very sensitive to circuit, by the way that its both ends is separately mounted to
Line influence is reduced as far as possible on first bus-bar and the second bus-bar.
7th, short-circuit reactance both ends are separately positioned on the second bus-bar, are realized and high frequency MOS inverter circuits positive pole and negative pole
Shortest path connection；Output bus-bar is located in high-frequency resonant loop, and its electric current is Q times of MOS inversion module output currents,
Output bus-bar and welded tube capacitor box are closely connected, is advantageous to export bus-bar and resonant capacitance closely connects, reduce lead
Inductance.
8th, the isolating transformer on relay board is used to provide insulating power supply to high frequency MOS inverter circuits, and Switching Power Supply is used for
Control panel is given to provide power supply, control panel is used to controlling SCR rectification circuit triggering, IGBT high-frequency inverter circuits PWM, inverse
Become lock phase control and alert process.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the utility model circuit theory diagrams；
Fig. 2 is the utility model structure diagram；
Fig. 3 is that the utility model relays board construction schematic diagram；
In figure：10- flows reactance, 11- SCR rectification circuits, 12- filter reactances, 13-IGBT high-frequency inverter circuits,
14- fast recovery diode rectification circuits, the flat ripple reactance of 15-, 16- inversion inlet wire reactance, 17- short-circuit reactances, 18- high frequencies MOS are inverse
Change circuit, 19-LC resonance output circuits, 2- frameworks, 21- spaces one, 211- lead-in circuit breakers, 213- controllable silicon installing plates,
215-IGBT cabinet relay boards, 216- high frequency transformers, 22- spaces two, 227- reactance supports, 23- spaces three, 232- first
Bus-bar, 24- spaces four, the bus-bars of 242- second, 243- welded tube capacitor boxes, 244- output bus-bars, 245- capacitance connections are converged
Stream row, 3- relay boards, 31- relays, 32- power supplys, 321- isolating transformers, 322- Switching Power Supplies, 34- control panels, 35- ends
Son.
Embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belong to the scope of the utility model protection.
As shown in Figure 1-Figure 3, the utility model proposes a kind of High Frequency Solid State electric power source all-in-one machine main circuit, including：
Including the SCR rectification circuit 11, IGBT high-frequency inverter circuits 13, high frequency transformer 216, fast extensive being sequentially connected
Multiple diode rectifier circuit 14, high frequency MOS inverter circuits 18 and LC resonance output circuits 19.
SCR rectification circuit 11 carries out full-wave rectification to three-phase alternating-current supply, controls the angle of flow of controllable silicon to minimum,
Power factor is up to more than 0.9；The DC voltage that IGBT high-frequency inverter circuits 13 export to SCR rectification circuit 11 carries out high
Frequency inversion, using PWM mode, in that context it may be convenient to power factor is adjusted, while under high frequency environment, after can be achieved
The miniaturization of the level volume of high frequency transformer 216；The high-frequency and high-voltage that high frequency transformer 216 exports to IGBT high-frequency inverter circuits 13 enters
Row decompression, isolation, the alternating voltage that fast recovery diode rectification circuit 14 exports to high frequency transformer 216 carry out rectification, two poles
Voltage current phase difference is not produced on pipe rectification theory, power factor is approximately 1, and the 300Hz lines of diode rectification output
Wave component very little, and it is unrelated with load weight；High frequency MOS inverter circuits 18 export fast recovery diode rectification circuit 14 straight
Stream voltage is reverse into single-phase high frequency power supply and is sent into LC resonance output circuits 19, exports high-frequency energy, carries out steel-pipe welding.It is such
Circuit design conveniently carries out the regulation of power factor, and can improve power factor.
Further, connected between SCR rectification circuit 11 and IGBT high-frequency inverter circuits 13 by filter reactance 12, soon
Passed sequentially through between recovery diode rectification circuit 14 and high frequency MOS inverter circuits 18 and flow reactance 10, flat ripple reactance 15 and inverse
Become inlet wire reactance 16 to connect, connected between the positive pole and negative pole of high frequency MOS inverter circuits 18 by short-circuit reactance 17.
Filter reactance 12 is used to be filtered the DC voltage that SCR rectification circuit 11 exports, and is that rear class IGBT is high
Frequency inverter circuit 13 provides steady dc voltage；Stream reactance 10 is realized in parallel whole in fast recovery diode rectification circuit 14
The stream between diode is flowed, avoiding some commutation diodes, over-burden and burns；Flat ripple reactance 15 is used to recover two to fast
The DC voltage that pole pipe rectification circuit 14 exports is filtered, and galvanic current is provided for rear class high frequency MOS inverter circuits 18
Pressure；Inversion inlet wire reactance 16 can prevent the high-frequency signal that high frequency MOS inverter circuits 18 export from passing back to prime, cause front stage
Influence each other；Short-circuit reactance 17 is used to realize the balance of voltage between the positive pole and negative pole of high frequency MOS inverter circuits 18.
The utility model also proposed a kind of High Frequency Solid State electric power source all-in-one machine, including framework 2, framework 2 from inlet wire direction according to
It is secondary to be provided with space 1, space 2 22, space 3 23 and space 4 24, pass through controllable silicon between space 1 and space 2 22
Installing plate 213 and IGBT cabinets relay board 215 separate, and are divided between space 2 22 and space 3 23 by the first bus-bar 232
Every, separated between space 3 23 and space 4 24 by the second bus-bar 242,
SCR rectification circuit 11, IGBT high-frequency inverter circuits 13 and height are disposed with space 1 from top to bottom
Frequency power transformer 216, fast recovery diode rectification circuit 14 is provided with space 2 22, it is inverse that high frequency MOS is provided with space 3 23
Become circuit 18, LC resonance output circuits 19 are provided with space 4 24.
The utility model High Frequency Solid State electric power source all-in-one machine uses single cabinet body structure, compact, easy-to-connect, it is only necessary to three-phase
Power supply, it can flexibly place, be brought great convenience to client；Each circuit is laid out according to inlet wire direction, there is electricity
Line nearby is realized between each module of gas annexation, reduces lead-in inductance, avoids lead-in inductance band under high frequency environment
The a series of problems come.
Further, SCR rectification circuit 11 is arranged on controllable silicon installing plate 213, is also set on controllable silicon installing plate 213
Lead-in circuit breaker 211 is equipped with, lead-in circuit breaker 211 is connected with SCR rectification circuit 11, and is located at SCR rectification circuit 11
The back side, the downside of controllable silicon installing plate 213 are provided with IGBT cabinets relay board 215, and IGBT high-frequency inverter circuits 13 are arranged on IGBT
On cabinet relay board 215.
Lead-in circuit breaker 211 is used to provide three phase mains to SCR rectification circuit 11, therefore the two is connected into one piece
On controllable silicon installing plate 213, reduce line therebetween；Between IGBT high-frequency inverter circuits 13 and high frequency transformer 216
Lead it is oversize, can cause that lead-in inductance is big, IGBT switch concussions are big, IGBT can be caused to damage, therefore by high frequency transformer 216
It is the most reasonable below to be arranged on IGBT high-frequency inverter circuits 13.
Further, filter reactance 12 is additionally provided with space 2 22, filter reactance 12 is arranged on reactance support 227, and
Positioned at the back side of IGBT high-frequency inverter circuits 13, the downside of reactance support 227 is disposed with fast recovery diode rectification circuit 14
Reactance 10 is flowed, the side on the first bus-bar 232 close to space 2 22 is provided with inversion inlet wire reactance 16, flows reactance 10
Flat ripple reactance 15 is provided between inversion inlet wire reactance 16.
Filter reactance 12 is arranged on the back side of IGBT high-frequency inverter circuits 13, meets connection principle nearby, and filter reactance
12 form LC filter circuits with the electric capacity inside IGBT high-frequency inverter circuits 13, are advantageous to suppress harmonic wave；By fast recovery diode
Rectification circuit 14 and stream reactance 10 are successively set on the downside of reactance support 227, are advantageous to fast recovery diode rectification circuit 14
Shortest path between high frequency transformer 216, stream reactance 10 is installed, and space utilization is reasonable；Flat ripple reactance 15 1 terminates
Fast recovery diode rectification circuit 14 exports, another termination inversion inlet wire reactance 16, and flat ripple reactance 15 be in each module most
The device of weight, the position close to centre is placed it in, ballast balance can be played a part of, while also can as far as possible shorten and connect
Line；The high-frequency signal that inversion inlet wire reactance 16 is used in high frequency MOS inverter circuits 18 passes back to front stage circuits, therefore should be as far as possible
Close to high frequency busbar, the utility model is disposed on the first bus-bar 232.
Further, the both ends of high frequency MOS inverter circuits 18 are separately positioned on the first bus-bar 232 and the second bus-bar 242.
High frequency MOS inverter circuits 18 are high-frequency inversion device, very sensitive to circuit, by the way that its both ends is separately mounted to
Line influence is reduced as far as possible on first bus-bar 232 and the second bus-bar 242.
Further, the side on the second bus-bar 242 positioned at space 4 24 is provided with short-circuit reactance 17, under short-circuit reactance 17
Side is disposed with welded tube capacitor box 243 and output bus-bar 244 from inlet wire direction, and welded tube capacitor box 243 is two layers, two layers of weldering
Capacitance connection bus-bar 245 is provided between pipe capacitor box 243.
The both ends of short-circuit reactance 17 are separately positioned on the second bus-bar 242, realize with the positive pole of high frequency MOS inverter circuits 18 and
The shortest path connection of negative pole；Output bus-bar 244 is located in high-frequency resonant loop, and its electric current is that MOS inversion modules 231 export
Q times of electric current, output bus-bar 244 and welded tube capacitor box 243 are closely connected, are advantageous to export bus-bar 244 and resonance electricity
Hold close connection, reduce lead-in inductance.
Further, relay board 3 is additionally provided with space 2 22, relay board 3 is located at the rear side of reactance support 227, relay board 3
On be provided with the relay 31 being sequentially connected, power supply 32, control panel 34 and terminal 35, power supply 32 includes the He of isolating transformer 321
Switching Power Supply 322.
Isolating transformer 321 on relay board 3 is used to provide insulating power supply, Switching Power Supply to high frequency MOS inverter circuits 18
322 are used to provide power supply to control panel 34, and control panel 34 is for controlling SCR rectification circuit 11 to trigger, IGBT high-frequency inversions
Circuit 13PWM modulation, inversion lock phase control and alert process.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (7)
1. High Frequency Solid State electric power source all-in-one machine main circuit, it is characterised in that：Including be sequentially connected SCR rectification circuit (11),
IGBT high-frequency inverter circuits (13), high frequency transformer (216), fast recovery diode rectification circuit (14), high frequency MOS inverter circuits
And LC resonance output circuits (19) (18)；
Connected between the SCR rectification circuit (11) and the IGBT high-frequency inverter circuits (13) by filter reactance (12),
Passed sequentially through between the fast recovery diode rectification circuit (14) and the high frequency MOS inverter circuits (18) and flow reactance
(10), flat ripple reactance (15) and inversion inlet wire reactance (16) connection, the positive pole and negative pole of the high frequency MOS inverter circuits (18) it
Between pass through short-circuit reactance (17) connect.
2. include the High Frequency Solid State electric power source all-in-one machine of the High Frequency Solid State electric power source all-in-one machine main circuit described in claim 1, its feature
It is：Including framework (2), the framework (2) is disposed with space one (21), space two (22), space three from inlet wire direction
(23) and space four (24), between the space one (21) and the space two (22) by controllable silicon installing plate (213) and
IGBT cabinets relay board (215) separates, and passes through the first bus-bar (232) between the space two (22) and the space three (23)
Separate, separated between the space three (23) and the space four (24) by the second bus-bar (242),
The SCR rectification circuit (11), the IGBT high-frequency inversions are disposed with from top to bottom in the space one (21)
Circuit (13) and the high frequency transformer (216), the space two (22) is interior to be provided with the fast recovery diode rectification circuit
(14) the high frequency MOS inverter circuits (18), are provided with the space three (23), are provided with the space four (24) described
LC resonance output circuits (19).
3. High Frequency Solid State electric power source all-in-one machine according to claim 2, it is characterised in that：The SCR rectification circuit (11)
It is arranged on the controllable silicon installing plate (213), lead-in circuit breaker (211) is additionally provided with the controllable silicon installing plate (213),
The lead-in circuit breaker (211) is connected with the SCR rectification circuit (11), and is located at the SCR rectification circuit (11)
The back side, controllable silicon installing plate (213) downside are provided with IGBT cabinets relay board (215), the IGBT high-frequency inverter circuits
(13) it is arranged on the IGBT cabinets relay board (215).
4. High Frequency Solid State electric power source all-in-one machine according to claim 2, it is characterised in that：Also set up in the space two (22)
There is filter reactance (12), the filter reactance (12) is arranged on reactance support (227), and positioned at IGBT high-frequency inversions electricity
The back side on road (13), reactance support (227) downside are disposed with fast recovery diode rectification circuit (14) and stream electricity
Resisting (10), the side on first bus-bar (232) close to the space two (22) is provided with inversion inlet wire reactance (16),
Described flow between reactance (10) and the inversion inlet wire reactance (16) is provided with flat ripple reactance (15).
5. High Frequency Solid State electric power source all-in-one machine according to claim 2, it is characterised in that：The high frequency MOS inverter circuits
(18) both ends are separately positioned on first bus-bar (232) and second bus-bar (242).
6. High Frequency Solid State electric power source all-in-one machine according to claim 2, it is characterised in that：On second bus-bar (242)
The side of the space four (24) is provided with short-circuit reactance (17), on the downside of the short-circuit reactance (17) from inlet wire direction successively
Welded tube capacitor box (243) and output bus-bar (244) are provided with, the welded tube capacitor box (243) is two layers, two layers of welded tube
Capacitance connection bus-bar (245) is provided between capacitor box (243).
7. High Frequency Solid State electric power source all-in-one machine according to claim 4, it is characterised in that：Also set up in the space two (22)
Have relay board (3), the relay board (3) is located at the rear side of the reactance support (227), be provided with the relay board (3) according to
Relay (31), power supply (32), control panel (34) and the terminal (35) of secondary connection, the power supply (32) include isolating transformer
And Switching Power Supply (322) (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056460.1U CN207200584U (en) | 2017-08-22 | 2017-08-22 | High Frequency Solid State electric power main circuit and all-in-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056460.1U CN207200584U (en) | 2017-08-22 | 2017-08-22 | High Frequency Solid State electric power main circuit and all-in-one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207200584U true CN207200584U (en) | 2018-04-06 |
Family
ID=61794410
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721056460.1U Active CN207200584U (en) | 2017-08-22 | 2017-08-22 | High Frequency Solid State electric power main circuit and all-in-one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207200584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109327147A (en) * | 2018-11-27 | 2019-02-12 | 保定市卓思恒畅电器有限公司 | A kind of power regulation device of High Frequency Solid State induction heating power |
-
2017
- 2017-08-22 CN CN201721056460.1U patent/CN207200584U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109327147A (en) * | 2018-11-27 | 2019-02-12 | 保定市卓思恒畅电器有限公司 | A kind of power regulation device of High Frequency Solid State induction heating power |
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