CN208849677U - Zero-voltage switch push-pull circuit with magnetic integrated morphology - Google Patents
Zero-voltage switch push-pull circuit with magnetic integrated morphology Download PDFInfo
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- CN208849677U CN208849677U CN201821609468.0U CN201821609468U CN208849677U CN 208849677 U CN208849677 U CN 208849677U CN 201821609468 U CN201821609468 U CN 201821609468U CN 208849677 U CN208849677 U CN 208849677U
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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
Abstract
The utility model provides a kind of Zero-voltage switch push-pull circuit with magnetic integrated morphology, including sequentially connected three pipe recommends main circuit, integrated magnetics circuit and voltage doubling rectifing circuit；Integrated magnetics circuit includes the first E-type magnetic core, the second E-type magnetic core and transformer circuit；First E-type magnetic core and the second E-type magnetic core are opposite disposed, and the center pillar of one end that the first E-type magnetic core and the second E-type magnetic core are located remotely from each other is connected with lateral column；Transformer circuit includes the winding circuit being set around on the center pillar of the first E-type magnetic core and the center pillar of the second E-type magnetic core, and rotating around the first filter circuit and the second filter circuit on the two side columns for being set to the first E-type magnetic core or the second E-type magnetic core；Three pipes recommend main circuit connection transformer circuit, and voltage doubling rectifing circuit connects the first filter circuit, the second filter circuit and transformer circuit.A kind of Zero-voltage switch push-pull circuit with magnetic integrated morphology of the utility model reduces duty-cycle loss using the coupling mutual inductance of magnetic integrated morphology.
Description
Technical field
The utility model relates to power electronic circuit topology field more particularly to a kind of no-voltages with magnetic integrated morphology
Switch push-pull circuit.
Background technique
Three pipe of ZVS (zero voltage switch) recommends DC converter and there are problems that duty-cycle loss, simultaneously because using dividing
Vertical magnetic cell, volume is larger, and power density is low.
Solves the problems, such as phase-shifted full-bridge converter duty-cycle loss using the full-bridge converter of magnetic integrated morphology, but by bridge
The limitation of formula converter needs bridge arm switching tube driving on 4 switching tubes and two to need to be isolated.
Summary of the invention
In view of the deficiency of the prior art, the utility model provides a kind of zero voltage switch with magnetic integrated morphology
Push-pull circuit reduces duty-cycle loss using the coupling mutual inductance of magnetic integrated morphology.
To achieve the goals above, the utility model provides a kind of Zero-voltage switch push-pull electricity with magnetic integrated morphology
Road, including sequentially connected one or three pipe recommend main circuit, an integrated magnetics circuit and a voltage doubling rectifing circuit；The integrated magnetics
Circuit includes one first E-type magnetic core, one second E-type magnetic core and a transformer circuit；The first E-type magnetic core and the 2nd E
Type magnetic core is opposite disposed, and the first E-type magnetic core and the second E-type magnetic core respectively include two side columns and be set to two side columns
Between a center pillar, the center pillar of one end that the first E-type magnetic core and the second E-type magnetic core are located remotely from each other and the side
Column is connected；The transformer circuit includes a winding circuit, one first filter circuit and one second filter circuit, the winding electricity
Road is set around on the center pillar of the first E-type magnetic core and the center pillar of the second E-type magnetic core；First filter circuit and described
Second filter circuit is rotating around on the two side columns of the first E-type magnetic core or the second E-type magnetic core；Three pipe is recommended
Main circuit connects the transformer circuit, and the voltage doubling rectifing circuit connects first filter circuit, second filtered electrical
Road and the transformer circuit.
Preferably, the winding circuit includes a primary side winding circuit and a vice-side winding circuit；
The primary side winding circuit is set around the center pillar of the first E-type magnetic core, and the vice-side winding circuit is set around institute
State the center pillar of the second E-type magnetic core；
Or the primary side winding circuit is set around the center pillar of the second E-type magnetic core, the vice-side winding circuit is set around
The center pillar of the first E-type magnetic core.
Preferably, the primary side winding circuit includes a tap, one first winding and one second winding, and the of the tap
One end connects that three pipe recommends main circuit, first winding connects the of the tap with the first end of second winding
Two ends, first winding and the second end of second winding connect three pipe and recommend main circuit；The vice-side winding electricity
Road includes a tertiary winding, and the first end of the tertiary winding connects the voltage doubling rectifing circuit, and the second of the tertiary winding
End is separately connected first filter circuit and second filter circuit.
Preferably, first filter circuit includes one first inductance, and second filter circuit includes one second inductance.
Preferably, it includes: that a first switch component, a second switch component, a third are opened that three pipe, which recommends main circuit,
Close component and a power supply；The cathode of the power supply connects the first end of the first switch component and the second switch component,
The anode of the power supply connects the first end of the third switch block, and the second end of the third switch block connects the pumping
The first end of head, the second end of the first switch component connect the second end of first winding；The second switch component
Second end connect the second end of second winding.
Preferably, the first switch component, the second switch component and the third switch block respectively include one
Switching tube, a first diode and a first capacitor；The first diode and the first capacitor are parallel to the switching tube
Source electrode and drain electrode between, the first diode of the first switch component and the second switch component anode connection
The source electrode of the switching tube, the first switch component are connected with the cathode of the first diode of the second switch component
The drain electrode of the switching tube；The anode of the first diode of the third switch block connects the drain electrode of the switching tube,
The cathode of the first diode of the third switch block connects the source electrode of the switching tube；
The first switch component connects the negative of the power supply with the source electrode of the switching tube of the second switch component
Pole, the drain electrode of the switching tube of the first switch component connect the second end of first winding, the second switch group
The drain electrode of the switching tube of part connects the second end of second winding, the leakage of the switching tube of the third switch block
Pole connects the anode of the power supply, and the source electrode of the switching tube of the third switch block connects the tap.
Preferably, the voltage doubling rectifing circuit includes:
One second diode, the anode of second diode connect the output end of first filter circuit；
One second capacitor, the first end of second capacitor connect the cathode of second diode, second capacitor
Second end connect the first end of the tertiary winding；
One third capacitor, the first end of the third capacitor connect the second end of second capacitor；With
One third diode, the anode of the third diode connect the second end of the third capacitor, and the described 3rd 2
The cathode of pole pipe connects the input terminal of second filter circuit, the output end connection of second filter circuit first filter
The second end of the input terminal of wave circuit and the tertiary winding.
Preferably, the anode of the cathode of second diode and the third diode is separately connected a voltage output
End.
The utility model due to use above technical scheme, make it have it is following the utility model has the advantages that
First filter circuit, the second filter circuit and transformer circuit as high frequency transformer are integrated in the first E type
On magnetic core and the second E-type magnetic core, replaced using a magnetic part component now there are three magnetic part component, volume and weight obviously drops
Low, power density improves.In addition, introducing the mutual inductance of the first filter circuit and the second filter circuit by integrated magnetics circuit, subtract
Small duty-cycle loss phenomenon.The multiplication of voltage of circuit and the effect of filtering are realized by the use of voltage doubling rectifing circuit.
Detailed description of the invention
Fig. 1 is the integrated circuit of the Zero-voltage switch push-pull circuit with magnetic integrated morphology of the utility model embodiment
Figure；
Fig. 2 is the structural schematic diagram of the integrated magnetics circuit of the utility model embodiment.
Specific embodiment
Below according to attached FIG. 1 to FIG. 2, the preferred embodiment of the utility model is provided, and is described in detail, is enabled more preferable
Ground understands the function of the utility model, feature.
Please refer to Fig. 1 and Fig. 2, a kind of Zero-voltage switch push-pull electricity with magnetic integrated morphology of the utility model embodiment
Road, including sequentially connected one or three pipe recommend main circuit 1, an integrated magnetics circuit 2 and a voltage doubling rectifing circuit 3；Integrated magnetics
Circuit 2 includes one first E-type magnetic core 21, one second E-type magnetic core 22 and a transformer circuit 23；First E-type magnetic core 21 and the 2nd E
Type magnetic core 22 is opposite disposed, and the first E-type magnetic core 21 and the second E-type magnetic core 22 respectively include two side columns and be set to two side columns it
Between a center pillar, the first E-type magnetic core 21 is connected with the center pillar of one end that the second E-type magnetic core 22 is located remotely from each other with lateral column；Transformer
Circuit 23 includes that a winding circuit, one first filter circuit 232 and one second filter circuit 233, winding circuit are set around the first E
On the center pillar of the center pillar of type magnetic core 21 and the second E-type magnetic core 22；First filter circuit 232 and the second filter circuit 233 rotating around
On the two side columns of the first E-type magnetic core 21 or the second E-type magnetic core 22, coupling inductance is formed；Three pipes are recommended the connection of main circuit 1 and are become
Transformer circuits 23, voltage doubling rectifing circuit 3 connect the first filter circuit 232, the second filter circuit 233 and transformer circuit 23.
Winding circuit includes a primary side winding circuit 2311 and a vice-side winding circuit 2312；Primary side winding circuit 2311 around
Set on the center pillar of the first E-type magnetic core 21；Vice-side winding circuit 2312 is set around the center pillar of the second E-type magnetic core 22；Or primary side winding
Circuit 2311 is set around the center pillar of the second E-type magnetic core 22, and vice-side winding circuit 2312 is set around the center pillar of the first E-type magnetic core 21.
Primary side winding circuit 2311 forms the former limit part of transformer, vice-side winding circuit 2312, the first filter circuit 232
The secondary part of transformer is cooperatively formed with one second filter circuit 233.
Primary side winding circuit 2311 includes a tap 23111, one first winding 23112 and one second winding 23113, tap
23111 first end three pipes of connection recommend main circuit 1, the first winding 23112 and connect tap with the first end of the second winding 23113
23111 second end, the first winding 23112 connect three pipes with the second end of the second winding 23113 and recommend main circuit 1；Secondary side around
Group circuit 2312 includes a tertiary winding 23121, and the first end of the tertiary winding 23121 connects voltage doubling rectifing circuit 3, the tertiary winding
23121 second end is separately connected the first filter circuit 232 and the second filter circuit 233.
First filter circuit 232 includes one first inductance 2321, and the second filter circuit 233 includes one second inductance 2331.
It includes: a first switch component 11, a second switch component 12, a third switch block that three pipes, which recommend main circuit 1,
A 13 and power supply Uin；The first end of cathode connection the first switch component 11 and second switch component 12 of power supply Uin, power supply Uin
Anode connection third switch block 13 first end, third switch block 13 second end connection tap 23111 first end,
The second end of first switch component 11 connects the second end of the first winding 23112；The second end connection the of second switch component 12
The second end of two windings 23113.
First switch component 11, second switch component 12 and third switch block 13 respectively include a switching tube Q, one first
A diode D1 and first capacitor C1；First diode D1 and first capacitor C1 are parallel between the source electrode and drain electrode of switching tube Q,
The source electrode of the positive connection switch pipe Q of the first diode D1 of first switch component 11 and second switch component 12, first switch
The drain electrode of the cathode connection switch pipe Q of the first diode D1 of component 11 and second switch component 12；Third switch block 13
The cathode connection of the drain electrode of the positive connection switch pipe Q of first diode D1, the first diode D1 of third switch block 13 is opened
Close the source electrode of pipe Q；
First switch component 11 connects the cathode of power supply Uin with the source electrode of the switching tube Q of second switch component 12, and first opens
Close the second end of drain electrode the first winding 23112 of connection of the switching tube Q of component 11, the leakage of the switching tube Q of second switch component 12
Pole connects the second end of the second winding 23113, and the drain electrode of the switching tube Q of third switch block 13 connects the anode of power supply Uin, the
The source electrode of the switching tube Q of three switch blocks 13 connects tap 23111.
Voltage doubling rectifing circuit 3 includes: one second diode D2, one second capacitor C2, a third capacitor C3 and one the 3rd 2
Pole pipe D3；Wherein, the output end of anode the first filter circuit 232 of connection of the second diode D2；The first end of second capacitor C2
Connect the cathode of the second diode D2, the first end of the second end connection tertiary winding 23121 of the second capacitor C2；Third capacitor C3
First end connect the second capacitor C2 second end；The second end of the anode connection third capacitor C3 of third diode D3, third
The cathode of diode D3 connects the input terminal of the second filter circuit 233, the first filtering of output end connection of the second filter circuit 233
The input terminal of circuit 232 and the second end of the tertiary winding 23121.
The cathode of second diode D2 and the anode of third diode D3 are separately connected a voltage output end Uo.
A kind of Zero-voltage switch push-pull circuit with magnetic integrated morphology of the utility model embodiment, by the first inductance
2321, the second inductance 2331 and the transformer circuit 23 as high frequency transformer are integrated in the first E-type magnetic core 21 and the second E-type magnetic
On core 22, three magnetic part components are replaced using a magnetic part component, volume and weight is substantially reduced, and power density improves.Separately
Outside, the mutual inductance of the first filter circuit 232 and the second filter circuit 233 is introduced by integrated magnetics circuit 2, reduces duty-cycle loss
Phenomenon, while voltage doubling rectifing circuit 3 has the function of multiplication of voltage and filtering.The two of transformer circuit 23 are former in integrated magnetics circuit 2
Side winding and vice-side winding are close coupling, i.e. the no-load voltage ratio of transformer circuit 23 is still equal to the turn ratio, and the transformer after integrating is electrically special
Property is basically unchanged.
Combine figure embodiment that the utility model is described in detail above, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not constitute practical to this
Novel restriction, the utility model will be using the ranges that the appended claims define as the protection scope of the utility model.
Claims (8)
1. a kind of Zero-voltage switch push-pull circuit with magnetic integrated morphology, which is characterized in that including sequentially connected one or three pipe
Recommend main circuit, an integrated magnetics circuit and a voltage doubling rectifing circuit；The integrated magnetics circuit include one first E-type magnetic core,
One second E-type magnetic core and a transformer circuit；The first E-type magnetic core and the second E-type magnetic core are opposite disposed, and described
The center pillar that one E-type magnetic core and the second E-type magnetic core respectively include two side columns and be set between two side columns, the first E
Type magnetic core is connected with the center pillar of one end that the second E-type magnetic core is located remotely from each other with the lateral column；The transformer circuit
Including a winding circuit, one first filter circuit and one second filter circuit, the winding circuit is set around first E-type magnetic
On the center pillar of the center pillar of core and the second E-type magnetic core, first filter circuit and second filter circuit distinguish winding
On the two side columns of the first E-type magnetic core or the second E-type magnetic core；Three pipe recommends main circuit and connects the transformer
Circuit, the voltage doubling rectifing circuit connect first filter circuit, second filter circuit and the transformer circuit.
2. the Zero-voltage switch push-pull circuit according to claim 1 with magnetic integrated morphology, which is characterized in that it is described around
Group circuit includes a primary side winding circuit and a vice-side winding circuit；
The primary side winding circuit is set around the center pillar of the first E-type magnetic core, and the vice-side winding circuit is set around described
The center pillar of two E-type magnetic cores；
Or the primary side winding circuit is set around the center pillar of the second E-type magnetic core, the vice-side winding circuit is set around described
The center pillar of first E-type magnetic core.
3. the Zero-voltage switch push-pull circuit according to claim 2 with magnetic integrated morphology, which is characterized in that the original
Side winding circuit includes a tap, one first winding and one second winding, and the first end of the tap connects three pipe and recommends
Main circuit, first winding connect the second end of the tap with the first end of second winding, first winding and
The second end of second winding connects three pipe and recommends main circuit；The vice-side winding circuit includes a tertiary winding, institute
The first end for stating the tertiary winding connects the voltage doubling rectifing circuit, and the second end of the tertiary winding is separately connected first filter
Wave circuit and second filter circuit.
4. the Zero-voltage switch push-pull circuit according to claim 3 with magnetic integrated morphology, which is characterized in that described
One filter circuit includes one first inductance, and second filter circuit includes one second inductance.
5. the Zero-voltage switch push-pull circuit according to claim 4 with magnetic integrated morphology, which is characterized in that described three
It includes: a first switch component, a second switch component, a third switch block and a power supply that pipe, which recommends main circuit,；The electricity
The cathode in source connects the first end of the first switch component and the second switch component, described in the anode connection of the power supply
The first end of third switch block, the second end of the third switch block connect the first end of the tap, and described first opens
The second end for closing component connects the second end of first winding；The second switch component second end connection described second around
The second end of group.
6. the Zero-voltage switch push-pull circuit according to claim 5 with magnetic integrated morphology, which is characterized in that described
One switch block, the second switch component and the third switch block respectively include a switching tube, a first diode and
One first capacitor；The first diode and the first capacitor are parallel between the source electrode and drain electrode of the switching tube, described
First switch component connects the source electrode of the switching tube with the anode of the first diode of the second switch component, described
First switch component connects the drain electrode of the switching tube with the cathode of the first diode of the second switch component；It is described
The anode of the first diode of third switch block connects the drain electrode of the switching tube, the third switch block it is described
The cathode of first diode connects the source electrode of the switching tube；
The first switch component connects the cathode of the power supply, institute with the source electrode of the switching tube of the second switch component
The drain electrode for stating the switching tube of first switch component connects the second end of first winding, the institute of the second switch component
The drain electrode for stating switching tube connects the second end of second winding, the drain electrode connection of the switching tube of the third switch block
The source electrode of the anode of the power supply, the switching tube of the third switch block connects the tap.
7. the Zero-voltage switch push-pull circuit according to claim 6 with magnetic integrated morphology, which is characterized in that described times
Voltage rectifier includes:
One second diode, the anode of second diode connect the output end of first filter circuit；
One second capacitor, the first end of second capacitor connect the cathode of second diode, and the of second capacitor
Two ends connect the first end of the tertiary winding；
One third capacitor, the first end of the third capacitor connect the second end of second capacitor；With
One third diode, the anode of the third diode connect the second end of the third capacitor, the third diode
Cathode connect the input terminal of second filter circuit, the output end of second filter circuit connects first filtered electrical
The second end of the input terminal on road and the tertiary winding.
8. the Zero-voltage switch push-pull circuit according to claim 7 with magnetic integrated morphology, which is characterized in that described
The anode of the cathode of two diodes and the third diode is separately connected a voltage output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609468.0U CN208849677U (en) | 2018-09-30 | 2018-09-30 | Zero-voltage switch push-pull circuit with magnetic integrated morphology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609468.0U CN208849677U (en) | 2018-09-30 | 2018-09-30 | Zero-voltage switch push-pull circuit with magnetic integrated morphology |
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| Publication Number | Publication Date |
|---|---|
| CN208849677U true CN208849677U (en) | 2019-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821609468.0U Active CN208849677U (en) | 2018-09-30 | 2018-09-30 | Zero-voltage switch push-pull circuit with magnetic integrated morphology |
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| CN (1) | CN208849677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115065265A (en) * | 2022-08-01 | 2022-09-16 | 广州工程技术职业学院 | Half-bridge type three-level circuit |
-
2018
- 2018-09-30 CN CN201821609468.0U patent/CN208849677U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115065265A (en) * | 2022-08-01 | 2022-09-16 | 广州工程技术职业学院 | Half-bridge type three-level circuit |
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