CN206585481U - PFC PFC rectification circuits, electromagnetic heating system and electromagnetic oven - Google Patents
PFC PFC rectification circuits, electromagnetic heating system and electromagnetic oven Download PDFInfo
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- CN206585481U CN206585481U CN201720332841.1U CN201720332841U CN206585481U CN 206585481 U CN206585481 U CN 206585481U CN 201720332841 U CN201720332841 U CN 201720332841U CN 206585481 U CN206585481 U CN 206585481U
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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 embodiment provides a kind of PFC PFC rectification circuits, electromagnetic heating system and electromagnetic oven, belongs to rectification field.Wherein the PFC rectification circuits include：First inductance or second inductance one end are connected to the live wire or zero line of AC power, and the other end is connected to the positive pole of the 4th commutation diode or the 3rd commutation diode；The negative pole of first commutation diode or the second commutation diode is connected to the positive pole of the 3rd commutation diode, and the two ends of first switch pipe or second switch pipe are connected in parallel to the two ends of the first commutation diode or the second commutation diode respectively；The two ends of first electric capacity bridge the positive pole of negative pole, the negative pole of the 4th commutation diode, the positive pole of the first commutation diode and the second commutation diode of the 3rd commutation diode, and the two ends of the first electric capacity are further adapted for connection load.Hereby it is achieved that PFC boost circuit and rectification diode are combined, reach and exchange input is converted into direct current output.
Description
Technical field
The utility model is related to rectification circuit, in particular it relates to a kind of PFC PFC (power factor
Correction) rectification circuit, electromagnetic heating system and electromagnetic oven.
Background technology
Rectifying device is one of essential important component of direct-flow electricity utilization apparatus of electricity network to be accessed, current market
On frequently with rectifying device be the rectifier bridge (as shown in Figure 1) that is constituted by a diode, but should be made up of diode D it is whole
Stream bridge has many defects：
First, diode has larger pressure drop difference, cause diode autophage power larger, in the same of influence efficiency
When also cause easily heating the problem of；
Second, the backward voltage of diode is smaller, breakdown, poor reliability is easier to；
Third, rectifier bridge is in the rectification course of work, the harmonic wave close with fundamental wave frequency range can be produced, causes the harmonic wave to be difficult to
Filter out, and fundamental wave harmonic collective effect can also be caused and drone noise is sent, had a strong impact on the use for including rectifier bridge
The Consumer's Experience of electric equipment；
Fourth, the power factor for causing AC power using the rectifier bridge being made up of diode is reduced.
Thus, a small power consumption, it is highly reliable and can solve harmonic wave, fundamental wave collective effect and produce drone noise problem
New is the popular research direction of current industry without bridge rectification circuit.
Found it should be noted that above technical problem is the present inventor during the utility model is put into practice.
Utility model content
The purpose of the utility model one side is to provide a kind of small power consumption, highly reliable and can effectively solve harmonic wave, fundamental wave
Collective effect and the PFC rectification circuits for producing drone noise problem；The purpose of the utility model another aspect is to provide a kind of bag
Electromagnetic heating system containing above-mentioned PFC rectification circuits；The purpose of the another aspect of the utility model is to provide a kind of comprising above-mentioned electricity
The electromagnetic oven of magnetic heating system, at least to solve the technical problem illustrated in background technology.
To achieve these goals, the utility model embodiment provides a kind of PFC rectification circuits, including：
It is first inductance, the second inductance, the first commutation diode, the second commutation diode, the 3rd commutation diode, the 4th whole
Flow diode, the first electric capacity, first switch pipe and second switch pipe；
First inductance one end is connected to the live wire of AC power, and the other end is connected to the positive pole of the 4th commutation diode, the
One end of two inductance is connected to the zero line of AC power, and the other end is connected to the positive pole of the 3rd commutation diode；
The negative pole of first commutation diode is connected to the positive pole of the 3rd commutation diode, and the two ends of first switch pipe are connected in parallel to
The two ends of first commutation diode, the negative pole of the second commutation diode is connected to the positive pole of the 4th rectification diode, second switch
The two ends of pipe are connected in parallel to the two ends of the second commutation diode；
The first end of first electric capacity is connected to the negative pole of the 3rd commutation diode and the negative pole of the 4th commutation diode, first
Second end of electric capacity is connected to the positive pole of the first commutation diode and the positive pole of the second commutation diode.
Preferably, above-mentioned first switch pipe and above-mentioned second switch pipe are managed and/or metal-oxide-semiconductor comprising IGBT.
Preferably, above-mentioned first commutation diode and above-mentioned second commutation diode are high-frequency rectification diode, Yi Jishang
It is low frequency commutation diode to state the 3rd commutation diode and above-mentioned 4th commutation diode.
Preferably, when above-mentioned first switch pipe and above-mentioned second switch pipe are IGBT pipes, the E poles of above-mentioned first switch pipe
The positive pole of above-mentioned first commutation diode is connected to, and the E poles of above-mentioned second switch pipe are connected to the above-mentioned pole of second rectification two
The positive pole of pipe.
Preferably, when above-mentioned first switch pipe and above-mentioned second switch pipe are metal-oxide-semiconductor, the S poles of above-mentioned first switch pipe
The positive pole of above-mentioned first commutation diode is connected to, and the S poles of above-mentioned second switch pipe are connected to the above-mentioned pole of second rectification two
The positive pole of pipe.
Preferably, the G poles of above-mentioned first switch pipe and above-mentioned second switch pipe are connected to logic controller.
Preferably, the capacitance size of above-mentioned first electric capacity is 100uF~1000uF.
Preferably, above-mentioned first inductance and above-mentioned second inductance include magnetic core, above-mentioned first inductance and above-mentioned second inductance
Magnetic core material selected from it is following at least one：Ferrite, iron silicon, iron sial.
On the other hand the utility model embodiment provides a kind of electromagnetic heating system, includes PFC rectified currents described above
Road；Electromagnetic heating circuit；The logic controller being connected respectively with above-mentioned PFC rectification circuits and above-mentioned electromagnetic heating circuit；Wherein
The ac supply signal that above-mentioned PFC rectification circuits are connected comprising exchange positive first half cycle signal, exchange just later half periodic signal,
The negative first half cycle signal of exchange distinguishes corresponding first mode, second mode, the 3rd mode with negative later half periodic signal is exchanged
With the 4th mode；And above-mentioned logic controller is used to control above-mentioned first switch pipe under above-mentioned first mode and the 4th mode
Conducting, ends under above-mentioned second mode and the 3rd mode, and controls above-mentioned second switch pipe in above-mentioned first mode and the 4th
End under mode, turned under above-mentioned second mode and the 3rd mode.
The another aspect of the utility model embodiment provides a kind of electromagnetic oven, includes electromagnetic heating system described above.
By above-mentioned technical proposal, PFC boost circuit and bridge rectifier pipe are combined together, exchange is inputted realizing
While being converted to direct current output, additionally it is possible to possess the advantage of PFC boost circuit, rectifier bridge in the prior art can effectively solve the problem that
Work time-harmonic wave, fundamental wave collective effect and produce drone noise problem, and can also realize rectification based on switching tube can
Control so that the rectification circuit that the utility model embodiment is provided has low-power consumption and highly reliable beneficial effect.
The further feature and advantage of the utility model embodiment will give specifically in subsequent embodiment part
It is bright.
Brief description of the drawings
Accompanying drawing is that the utility model embodiment is further understood for providing, and constitutes a part for specification,
It is used to explain the utility model embodiment together with following embodiment, but does not constitute to the utility model embodiment
Limitation.In the accompanying drawings：
Fig. 1 is illustrated that the structural representation for the rectifier bridge being made up of in the prior art diode；
Fig. 2 is illustrated that the structural representation of the PFC rectification circuits of the embodiment of the utility model one；
Fig. 3 A are illustrated that exchange positive first half cycle letter of the PFC rectification circuits shown in Fig. 2 in alternating current input power supplying signal
Current direction ring schematic diagram under number；
Fig. 3 B are illustrated that exchange just later half cycle letter of the PFC rectification circuits shown in Fig. 2 in alternating current input power supplying signal
Current direction ring schematic diagram under number；
Fig. 3 C are illustrated that the PFC rectification circuits shown in Fig. 2 bear first half cycle letter in the exchange of alternating current input power supplying signal
Current direction ring schematic diagram under number；
Fig. 3 D are illustrated that the PFC rectification circuits shown in Fig. 2 bear later half cycle letter in the exchange of alternating current input power supplying signal
Current direction ring schematic diagram under number；
Fig. 4 be illustrated that the embodiment of the utility model one include the electromagnetic heating system of PFC rectification circuits shown in Fig. 2
Structural representation.
Description of reference numerals
ACN AC power zero line ACL AC power live wires
D, D1-D4 commutation diode C1, C2 electric capacity
L1, L2 inductance Q1, Q2 switching tube
The electromagnetic heating circuit of 10PFC rectification circuits 20
30 electromagnetic heating systems
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
Those skilled in the art of the present technique are appreciated that the wording " comprising " used in specification of the present utility model refers to deposit
In features described above, integer, step, operation, element and/or component, but it is not excluded that in the presence of or add it is one or more other
Feature, integer, step, operation, element, component and/or combinations thereof.It should be understood that when we claim element be " connected " or
During " coupled " to another element, it can be directly connected or coupled to other elements, or can also have intermediary element.This
Outside, " connection " or " coupling " used herein can include wireless connection or wireless coupling.Wording "and/or" bag used herein
Include one or more associated wholes or any cell for listing item and all combine.
The structural representation of the PFC rectification circuits of the embodiment of the utility model one is illustrated that referring to Fig. 2, the PFC rectifications
Circuit 10 specifically includes inductance L1 and L2, high-frequency rectification diode D1 and D2, low frequency commutation diode D3 and D4, switching tube Q1
And Q2, electric capacity C1, on the annexation of each component, as illustrated, inductance L1 one end is connected to the live wire of AC power
ACL, other end connection tremendously low frequency commutation diode D4 positive pole, inductance L2 one end is connected to the zero line ACN of AC power, separately
One end connection tremendously low frequency commutation diode D3 positive pole；High-frequency rectification diode D1 negative pole connection tremendously low frequency commutation diode D3
Positive pole, switching tube Q1 two ends are connected in parallel on high-frequency rectification diode D1 two ends, high-frequency rectification diode D2 negative pole connection
Tremendously low frequency rectification diode D4 positive pole, switching tube Q2 two ends are connected in parallel to high-frequency rectification diode D2 two ends；It is connected to whole
The first rectification output end of diode D3 negative pole and commutation diode D4 negative pole is flowed, commutation diode D1 positive pole is connected to
With the two ends of the second rectification output end of commutation diode D2 positive pole, and electric capacity C1 bridge above-mentioned first rectification output end and
Above-mentioned second rectification output end, and it is adapted at electric capacity C1 two ends load.More specifically, in the utility model embodiment
Some optional embodiments in, switching tube Q1 and Q2 can be IGBT (Insulated Gate Bipolar
Transistor) manage, i.e. insulated gate bipolar transistor, now switching tube Q1 and Q2, which possess, the pole of G, C, E tri-, with reference to Fig. 2
Understand, switching tube Q2 is connected in parallel on commutation diode D2 two ends, and Q2 E poles are connected to commutation diode D2 positive pole, and
Switching tube Q1 is connected in parallel on diode D1 two ends, and switching tube Q1 E poles are connected to commutation diode D1 positive pole.In addition, at this
In other optional embodiments of utility model, switching tube Q1 and Q2 can be metal-oxide-semiconductor, i.e. FET, now the switch
Pipe Q1 and Q2, which possess, the pole of G, D, S tri-, understands that switching tube Q2 is connected in parallel on commutation diode D2 two ends, and Q2 S with reference to Fig. 2
Pole is connected to commutation diode D2 positive pole, and switching tube Q1 is connected in parallel on diode D1 two ends, switching tube Q1 S poles connection
To commutation diode D1 positive pole.It is understood that the high-frequency diode and low frequency diode pair in the present embodiment are in ability
Should be clear for the those of ordinary skill of domain, high-frequency diode is referred in Bu Tong certain types of respectively with low frequency diode
Diode, relatively simple method is to check just to determine that diode is the pole of high frequency two by the outward appearance model to diode
Pipe or low frequency diode, because being identified in the model of general diode containing F.On the present embodiment, more specifically, electric capacity C1
Capacitance size is 100uF~1000uF, and rated voltage is 500V；Inductance L1, L2 include magnetic core, make the material choosing of the magnetic core
From in following at least one：Ferrite, iron silicon, iron sial, thus type selecting be able to ensure inductance L1 and L2 energy-storage property.Enter one
Step ground, the rectification MOS or IGBT of commutation diode are far below due to employing pipe pressure difference in the present embodiment, can effectively be reduced
The power consumption of PFC rectification circuits.
In order that technological thought of the present utility model be more convenient for those of ordinary skill in the art understanding, below continuing with
Fig. 3 A-3D disclose the operation principle of the PFC rectification circuits shown in Fig. 2：
Wherein Fig. 3 A and 3B be illustrated that when ac input voltage be sinusoidal waveform, and in positive half cycle when two mode under
Current direction ring, mode as shown in Figure 3A, when opening Q1 and ending Q2, ended by inductance L1 electric current for diode D3,
D4 is turned on, and constitutes conducting loop with commutation diode D1 with powering load, and inductance L1 energy storage is reduced；As shown in Figure 3 B
Mode, when opening Q2 and ending Q1, commutation diode D1 conductings, and the increase of L1 inductive energy storages.Thus, by inductance L1, open
Close pipe Q2 and commutation diode D4 and constitute the boost circuit structure that exchange is inputted under positive half period；Then, then by electric capacity C1 filter
Ripple energy storage, exports the D/C voltage of certain ripple, is used for load below.With continued reference to Fig. 3 C and 3D, it, which is illustrated that, works as AC
Input voltage is in the current direction ring under two mode of negative half period, and mode as shown in Figure 3 C opens Q2 and ends Q1, leads to
Cross inductance L2 electric current for diode D4 to end, D3 conductings, and constitute conducting to loop to supply to load with commutation diode D2
Electricity.Mode as shown in Figure 3 D, when opening Q1 and ends Q2, and now commutation diode D2 is turned on so that the increase of L2 inductive energy storages.
Thus, the boost configuration under exchange input negative half-cycle is constituted by inductance L2, switching tube Q1 and commutation diode D3；Then,
Energy storage is filtered by C1 again, the D/C voltage of certain ripple is exported, is used for load below.
In the one side of the application of above-mentioned PFC rectification circuits 10, Electromagnetic Heating can be illustrated that with continued reference to Fig. 4, Fig. 4
System 30, specifically includes PFC rectification circuits 10, the load electromagnetic heating circuit 20 for Electromagnetic Heating, and connect and modulate
Control the logic controller of the PFC rectification circuits 10 and the electromagnetic heating circuit 20；More specifically, in PFC rectification circuits 10
Switching tube Q1, Q2 G poles are connected to logic controller, are achieved in by logic controller controlling switch pipe Q1 and Q2；It is excellent
The G poles of electronic component IGBT in selection of land, electromagnetic heating circuit 20 are also connected to logic controller, are achieved in being based on one
Logic controller is completed to rectification circuit and the double control of load circuit；Also, pfc circuit is employed as system due to 10
Rectification circuit so that while rectification function is realized also take into account regulation power coefficient effect.It is highly preferred that the logic
Controller can also carry out data sampling to PFC outputs, civil power AC input and electromagnetic heating circuit, intuitively be led to more convenient
Cross control of the logic controller completion to electromagnetic heating circuit 20 and rectification circuit 10.Further, on the Electromagnetic Heating
Rectification circuit 10 in system 30 can also be regarded as a kind of dc source, can be by circuit because it also has rectification function
Exchange input be converted to direct current output.
In the one side of the application of above-mentioned electromagnetic heating system 30, the electromagnetic heating system can be by comprising applied to household electrical appliances
In product, more specifically, the electromagnetic heating system 30 can be eliminated existing by comprising applied in electromagnetic oven thus, it is possible to effective
Some electromagnetic ovens produced drone noise, and improve Consumer's Experience in the course of the work.
Preferred embodiment of the present utility model is described in detail above in association with accompanying drawing, still, the utility model is not limited
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to protection domain of the present utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means in order to avoid unnecessary repetition, the utility model is to each
Possible combination is planted no longer separately to illustrate.
In addition, can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (10)
1. a kind of PFC PFC rectification circuits, it is characterised in that including：
First inductance, the second inductance, the first commutation diode, the second commutation diode, the 3rd commutation diode, the 4th rectification two
Pole pipe, the first electric capacity, first switch pipe and second switch pipe；
Described first inductance one end is connected to the live wire of AC power, and the other end is being connected to the 4th commutation diode just
Pole, one end of second inductance is connected to the zero line of AC power, and the other end is being connected to the 3rd commutation diode just
Pole；
The negative pole of first commutation diode is connected to the positive pole of the 3rd commutation diode, the two of the first switch pipe
End is connected in parallel to the two ends of first commutation diode, and the negative pole of second commutation diode is connected to the 4th rectification two
The positive pole of level pipe, the two ends of the second switch pipe are connected in parallel to the two ends of second commutation diode；
The first end of first electric capacity is connected to the negative pole and the 4th commutation diode of the 3rd commutation diode
Negative pole, the second end of first electric capacity is connected to the positive pole and second commutation diode of first commutation diode
Positive pole.
2. circuit according to claim 1, it is characterised in that：
The first switch pipe and the second switch pipe are managed and/or metal-oxide-semiconductor comprising IGBT.
3. circuit according to claim 1, it is characterised in that：
First commutation diode and second commutation diode are high-frequency rectification diode, and the 3rd rectification two
Pole pipe and the 4th commutation diode are low frequency commutation diode.
4. circuit according to claim 2, it is characterised in that：
When the first switch pipe and the second switch pipe are IGBT pipes, the E poles of the first switch pipe are connected to described
The positive pole of first commutation diode, and the E poles of the second switch pipe are connected to the positive pole of second commutation diode.
5. circuit according to claim 2, it is characterised in that：
When the first switch pipe and the second switch pipe are metal-oxide-semiconductor, the S poles of the first switch pipe are connected to described the
The positive pole of one commutation diode, and the S poles of the second switch pipe are connected to the positive pole of second commutation diode.
6. circuit according to claim 2, it is characterised in that
The G poles of the first switch pipe and the second switch pipe are connected to logic controller.
7. circuit according to claim 1, it is characterised in that：
The capacitance size of first electric capacity is the μ F of 100 μ F~1000.
8. circuit according to claim 1, first inductance and second inductance include magnetic core, it is characterised in that：
The material of the magnetic core of first inductance and second inductance selected from it is following at least one：Ferrite, iron silicon, iron silicon
Aluminium.
9. a kind of electromagnetic heating system, it is characterised in that：
Include the PFC PFC rectification circuits described in claim any one of 1-8；
Electromagnetic heating circuit；
The logic controller being connected respectively with the PFC rectification circuits and the electromagnetic heating circuit；
The ac supply signal that wherein described PFC rectification circuits are connected is just later half comprising the positive first half cycle signal of exchange, exchange
Periodic signal, the negative first half cycle signal of exchange with exchange negative later half periodic signal distinguish corresponding first mode, second mode,
3rd mode and the 4th mode；And
The logic controller is used to control the first switch pipe to turn under the first mode and the 4th mode, described
End under second mode and the 3rd mode, and control the second switch pipe to end under the first mode and the 4th mode,
Turned under the second mode and the 3rd mode.
10. a kind of electromagnetic oven, it is characterised in that include the electromagnetic heating system described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720332841.1U CN206585481U (en) | 2017-03-31 | 2017-03-31 | PFC PFC rectification circuits, electromagnetic heating system and electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720332841.1U CN206585481U (en) | 2017-03-31 | 2017-03-31 | PFC PFC rectification circuits, electromagnetic heating system and electromagnetic oven |
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| Publication Number | Publication Date |
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| CN206585481U true CN206585481U (en) | 2017-10-24 |
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ID=60115398
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720332841.1U Active CN206585481U (en) | 2017-03-31 | 2017-03-31 | PFC PFC rectification circuits, electromagnetic heating system and electromagnetic oven |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667318A (en) * | 2018-07-03 | 2018-10-16 | 深圳市英可瑞科技股份有限公司 | A kind of rectification circuit and its control method |
| CN110722999A (en) * | 2018-07-16 | 2020-01-24 | 现代自动车株式会社 | Vehicle-mounted charger, electric vehicle with same and power factor correction device |
| CN112003467A (en) * | 2020-08-17 | 2020-11-27 | 上海大学 | Three switching tube bridgeless Cuk power factor correction converter |
-
2017
- 2017-03-31 CN CN201720332841.1U patent/CN206585481U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667318A (en) * | 2018-07-03 | 2018-10-16 | 深圳市英可瑞科技股份有限公司 | A kind of rectification circuit and its control method |
| CN108667318B (en) * | 2018-07-03 | 2024-05-28 | 深圳市英可瑞科技股份有限公司 | Rectifying circuit and control method thereof |
| CN110722999A (en) * | 2018-07-16 | 2020-01-24 | 现代自动车株式会社 | Vehicle-mounted charger, electric vehicle with same and power factor correction device |
| CN112003467A (en) * | 2020-08-17 | 2020-11-27 | 上海大学 | Three switching tube bridgeless Cuk power factor correction converter |
| CN112003467B (en) * | 2020-08-17 | 2024-01-16 | 上海大学 | Three-switching tube bridgeless Cuk power factor correction converter |
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