CN206559108U - A kind of two-way charging module of direct current - Google Patents
A kind of two-way charging module of direct current Download PDFInfo
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- CN206559108U CN206559108U CN201720296012.2U CN201720296012U CN206559108U CN 206559108 U CN206559108 U CN 206559108U CN 201720296012 U CN201720296012 U CN 201720296012U CN 206559108 U CN206559108 U CN 206559108U
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- insulated gate
- gate bipolar
- diode
- bipolar transistor
- direct current
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Abstract
The utility model is related to a kind of two-way charging module of direct current, the electric module includes the first insulated gate bipolar transistor, second insulated gate bipolar transistor, 3rd insulated gate bipolar transistor, 4th insulated gate bipolar transistor, first diode, second diode, 3rd diode, 4th diode, DC load, first inductance coil and first resistor, the output end of the colelctor electrode of first insulated gate bipolar transistor respectively with the second diode, the output end connection of the colelctor electrode and the 4th diode of 3rd insulated gate bipolar transistor, the colelctor electrode of the emitter stage of first insulated gate bipolar transistor respectively with the second insulated gate bipolar transistor, the input of second diode, the output end of first diode and the connection of the first end of the first inductance coil, second end of the first inductance coil and the first end of first resistor are connected.The two-way charging module of direct current of the present utility model have can double-direction control, power is big for operation, reliability is high and the simple advantage of circuit.
Description
Technical field
The utility model is related to DC charging technical field, and in particular to a kind of two-way charging module of direct current.
Background technology
The prior art of DC charging is that the direct current of input becomes high-frequency alternating current through switching tube concussion conversion, then through height
Frequency power transformer changes to the direct current of needs, but this technology can only be unidirectionally controlled, and the scope of adjustment is narrow, simultaneously
Because using the device such as high frequency transformer and FET MOST, causing the power smaller, DC load needs high-power
When high-power output can only be realized with multiple power sources in parallel, the 750V/250A charging pile power supplys for example used now are exactly to use
Multiple small-power wired in parallel are obtained, and the module used is more, and circuit can be made more complicated, the reliability reduction of circuit.
Utility model content
The purpose of this utility model is to provide a kind of direct current two-way charging module, and the charging to solve existing direct current is filled
Put the problem of can not realizing bidirectional current control, smaller operation power, low reliability and complex circuit.
To achieve the above object, the utility model provides a kind of two-way charging module of direct current, the two-way charging mould of direct current
Block includes the first insulated gate bipolar transistor, the second insulated gate bipolar transistor, the 3rd insulated gate bipolar transistor, the
Four insulated gate bipolar transistors, the first diode, the second diode, the 3rd diode, the 4th diode, direct current generator,
One inductance coil and first resistor, the output of the colelctor electrode of first insulated gate bipolar transistor respectively with the second diode
The output end connection at end, the colelctor electrode of the 3rd insulated gate bipolar transistor and the 4th diode, first insulated gate is double
The emitter stage of bipolar transistor colelctor electrode respectively with the second insulated gate bipolar transistor, the input of the second diode,
The output end of one diode and the connection of the first end of the first inductance coil, the second end of first inductance coil and described the
The first end connection of one resistance, the second end of the first resistor is connected with the first end of the direct current generator, the direct current
Emitter stage, the collection of the 4th insulated gate bipolar transistor of second end of machine respectively with the 3rd insulated gate bipolar transistor
The output end connection of electrode, the input of the 4th diode and the 3rd diode, the input difference of the 3rd diode
Emitter stage, the input of the first diode and the 4th insulated gate bipolar transistor with the second insulated gate bipolar transistor
Emitter stage connection.
It is preferred that, first insulated gate bipolar transistor, the second insulated gate bipolar transistor, the 3rd insulated gate are double
The model of bipolar transistor and the 4th insulated gate bipolar transistor is identical.
It is preferred that, first diode, the second diode, the 3rd diode and the 4th diode model it is identical.
It is preferred that, the DC load is direct current generator.
It is preferred that, first inductance coil is fixed inductance coil or variable inductor.
The utility model has the following advantages that：The two-way charging module of direct current of the present utility model has can double-direction control, fortune
Row power is big, reliability is high and the simple advantage of circuit.
Brief description of the drawings
Fig. 1 is the line map of the two-way charging module of the utility model direct current.
Fig. 2 is the line map of current direction when the utility model direct current generator is positive electronic.
The line map of current direction when Fig. 3 is the utility model direct current generator forward direction regenerative braking.
Fig. 4 is the line map of current direction when the utility model direct current generator is reversely electronic.
The line map of current direction when Fig. 5 is the utility model direct current generator reverse regenerative braking.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to scope of the present utility model.
Embodiment 1
As shown in figure 1, the two-way charging module of the direct current includes the first insulated gate bipolar transistor V1, the second insulated gate it is double
Bipolar transistor V2, the 3rd insulated gate bipolar transistor V3, the 4th insulated gate bipolar transistor V4, the first diode VD1、
Second diode VD2, the 3rd diode VD3, the 4th diode VD4, direct current generator M, the first inductance coil L and first resistor R.
First insulated gate bipolar transistor V1Colelctor electrode respectively with the second diode VD2Output end, the 3rd insulated gate bipolar it is brilliant
Body pipe V3Colelctor electrode, the 4th diode VD4Output end and dc source E positive pole connection, the first insulated gate bipolar is brilliant
Body pipe V1Emitter stage respectively with the second insulated gate bipolar transistor V2Colelctor electrode, the second diode VD2Input,
One diode VD1Output end and the first inductance coil L first end connection, the first inductance coil L the second end and first
Resistance R first end connection, first resistor R the second end is connected with direct current generator M first end, and the 3rd insulated gate bipolar is brilliant
Body pipe V3Emitter stage respectively with the 4th insulated gate bipolar transistor V4Colelctor electrode, the 4th diode VD4Input,
Three diode VD3Output end and direct current generator M the second end connection, the 3rd diode VD3Input it is exhausted with second respectively
Edge grid bipolar transistor V2Emitter stage, the first diode VD1Input, the 4th insulated gate bipolar transistor V4Hair
Emitter-base bandgap grading and dc source E negative pole connection, the first insulated gate bipolar transistor V1Grid and control unit first letter
The connection of number output end, the second insulated gate bipolar transistor V2Grid and the secondary signal output end of control unit connect, the
Three insulated gate bipolar transistor V3Grid and the 3rd signal output part of control unit connect, the 4th insulated gate bipolar is brilliant
Body pipe V4Grid and control unit the 4th signal output part connect.In the present embodiment, the first insulated gate bipolar crystal
Pipe V1, the second insulated gate bipolar transistor V2, the 3rd insulated gate bipolar transistor V3With the 4th insulated gate bipolar transistor
V4Model it is identical, and the first diode VD1, the second diode VD2, the 3rd diode VD3With the 4th diode VD4Model
Also identical, DC load is direct current generator M.First inductance coil L is fixed inductance coil or variable inductor.
Operation principle：When the two-way charging module of direct current of the present utility model works, following four mode of operation is broadly divided into.
(1) as shown in Fig. 2 when control unit is to the first insulated gate bipolar transistor V1PWM controls are carried out, while the 4th
Insulated gate bipolar transistor V4Conducting, the second insulated gate bipolar transistor V2With the 3rd insulated gate bipolar transistor V3It is disconnected
Open, the first insulated gate bipolar transistor V1With the first diode VD1Buck circuit is constituted, when the first insulated gate bipolar
Transistor V1During conducting, the electric current come out from dc source E positive pole passes sequentially through the first insulated gate bipolar transistor V1,
One inductance coil L, first resistor R, direct current generator M and the first insulated gate bipolar transistor V1, finally it is returned to dc source E
Negative pole, now, dc source E powers to direct current generator M, makes the positive electric operations of direct current generator M.
(2) as shown in figure 3, when control unit is to the second insulated gate bipolar transistor V2PWM controls are carried out, while the 3rd
Insulated gate bipolar transistor V3Conducting, the first insulated gate bipolar transistor V1With the 4th insulated gate bipolar transistor V4It is disconnected
Open, the second insulated gate bipolar transistor V2With the second diode VD2Constitute boost chopper.When the second insulated gate bipolar
Transistor V2During disconnection, now, the second diode VD2, first resistor R, the first inductance coil L, direct current generator M, the second diode
VD2A loop is constituted with dc source E, direct current generator M forward direction regenerative brakings charge to dc source E.
(3) as shown in figure 4, when control unit is to the 3rd insulated gate bipolar transistor V3Carry out PWM controls, the second insulation
Grid bipolar transistor V2Conducting, the first insulated gate bipolar transistor V1With the 4th insulated gate bipolar transistor V4Close, V3
And VD3Buck circuit is constituted, as the 3rd insulated gate bipolar transistor V3During conducting, come out from dc source E positive pole
Electric current passes sequentially through the 3rd insulated gate bipolar transistor V3, direct current generator M, first resistor R, the first inductance coil L and second
Insulated gate bipolar transistor V2, dc source E negative pole is finally returned to, now, dc source E powers to direct current generator M,
Make its reverse electric operation.
(4) as shown in figure 5, when control unit is to the 4th insulated gate bipolar transistor V4Carry out PWM controls, the first insulation
Grid bipolar transistor V1Conducting, the second insulated gate bipolar transistor V2With the 3rd insulated gate bipolar transistor V3Disconnect, the
Four insulated gate bipolar transistor V4With the 4th diode VD4Boost chopper is constituted, when the 4th insulated gate bipolar transistor
V4During shut-off, dc source E, the first diode VD1, the first inductance coil L, first resistor R, direct current generator M and the 4th diode
VD4A loop is constituted, now, the reverse regenerative brakings of direct current generator M charge to dc source E.
By using powerful IGBT technologies, the two-way charging module of direct current of the present utility model is except that can realize electric current
Double-direction control, also with operation, power is big, reliability is high and the simple advantage of circuit.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be modified or improved, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (5)
1. a kind of two-way charging module of direct current, the two-way charging module of direct current includes the first insulated gate bipolar transistor, the
Two insulated gate bipolar transistors, the 3rd insulated gate bipolar transistor, the 4th insulated gate bipolar transistor, the one or two pole
Pipe, the second diode, the 3rd diode, the 4th diode, DC load, the first inductance coil and first resistor, its feature exist
Colelctor electrode output end respectively with the second diode, the 3rd insulated gate bipolar in, first insulated gate bipolar transistor
The output end connection of the colelctor electrode of transistor npn npn and the 4th diode, the emitter stage of first insulated gate bipolar transistor
Colelctor electrode respectively with the second insulated gate bipolar transistor, the input of the second diode, the first diode output end with
And first inductance coil first end connection, the second end of first inductance coil and the first end of the first resistor connect
Connect, the second end of the first resistor is connected with the first end of the direct current generator, the second end of the direct current generator respectively with
Emitter stage, the colelctor electrode of the 4th insulated gate bipolar transistor, the 4th diode of 3rd insulated gate bipolar transistor
Input and the 3rd diode output end connection, the input of the 3rd diode respectively with the second insulated gate bipolar
The emitter stage connection of the emitter stage of transistor npn npn, the input of the first diode and the 4th insulated gate bipolar transistor.
2. the two-way charging module of direct current according to claim 1, it is characterised in that the first insulated gate bipolar crystal
The type of pipe, the second insulated gate bipolar transistor, the 3rd insulated gate bipolar transistor and the 4th insulated gate bipolar transistor
It is number identical.
3. the two-way charging module of direct current according to claim 1, it is characterised in that first diode, the two or two pole
The model of pipe, the 3rd diode and the 4th diode is identical.
4. the two-way charging module of direct current according to claim 1, it is characterised in that the DC load is direct current generator.
5. the two-way charging module of direct current according to claim 1, it is characterised in that first inductance coil is fixed electricity
Feel coil or variable inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296012.2U CN206559108U (en) | 2017-03-24 | 2017-03-24 | A kind of two-way charging module of direct current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296012.2U CN206559108U (en) | 2017-03-24 | 2017-03-24 | A kind of two-way charging module of direct current |
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| Publication Number | Publication Date |
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| CN206559108U true CN206559108U (en) | 2017-10-13 |
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| CN201720296012.2U Active CN206559108U (en) | 2017-03-24 | 2017-03-24 | A kind of two-way charging module of direct current |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655418A (en) * | 2017-03-24 | 2017-05-10 | 刘博� | DC bidirectional charging module |
-
2017
- 2017-03-24 CN CN201720296012.2U patent/CN206559108U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655418A (en) * | 2017-03-24 | 2017-05-10 | 刘博� | DC bidirectional charging module |
| CN106655418B (en) * | 2017-03-24 | 2024-04-23 | 刘博� | Direct-current bidirectional charging module |
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