CN106655418B - Direct-current bidirectional charging module - Google Patents
Direct-current bidirectional charging module Download PDFInfo
- Publication number
- CN106655418B CN106655418B CN201710183067.7A CN201710183067A CN106655418B CN 106655418 B CN106655418 B CN 106655418B CN 201710183067 A CN201710183067 A CN 201710183067A CN 106655418 B CN106655418 B CN 106655418B
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- bipolar transistor
- insulated gate
- gate bipolar
- diode
- direct current
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 18
- 238000010586 diagram Methods 0.000 description 5
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention relates to a direct current bidirectional charging module, which comprises a first insulated gate bipolar transistor, a second insulated gate bipolar transistor, a third insulated gate bipolar transistor, a fourth insulated gate bipolar transistor, a first diode, a second diode, a third diode, a fourth diode, a direct current load, a first inductance coil and a first resistor, wherein the collector of the first insulated gate bipolar transistor is respectively connected with the output end of the second diode, the collector of the third insulated gate bipolar transistor and the output end of the fourth diode, the emitter of the first insulated gate bipolar transistor is respectively connected with the collector of the second insulated gate bipolar transistor, the input end of the second diode, the output end of the first diode and the first end of the first inductance coil, and the second end of the first inductance coil is connected with the first end of the first resistor. The direct current bidirectional charging module has the advantages of bidirectional control, high running power, high reliability and simple circuit.
Description
Technical Field
The invention relates to the technical field of direct current charging, in particular to a direct current bidirectional charging module.
Background
The prior art of direct current charging is that the input direct current is converted into high-frequency alternating current through the oscillation of a switch tube and then is changed into the required direct current through a high-frequency transformer, but the technology can only realize unidirectional control, and the adjustment range is narrower, meanwhile, because devices such as the high-frequency transformer and a field effect tube MOST are used, the power of the power supply is smaller, when the direct current load needs high power, a plurality of power supplies can only be connected in parallel to realize high power output, for example, the current 750V/250A charging pile power supply is obtained by connecting a plurality of small power modules in parallel, and the more the modules are used, the more complicated the circuit is, and the reliability of the circuit is reduced.
Disclosure of Invention
The invention aims to provide a direct-current bidirectional charging module which is used for solving the problems that the existing direct-current charging device cannot realize bidirectional current control, and is low in running power, low in reliability and complex in circuit.
In order to achieve the above object, the present invention provides a dc bidirectional charging module, which includes a first insulated gate bipolar transistor, a second insulated gate bipolar transistor, a third insulated gate bipolar transistor, a fourth insulated gate bipolar transistor, a first diode, a second diode, a third diode, a fourth diode, a dc motor, a first inductor, and a first resistor, wherein a collector of the first insulated gate bipolar transistor is connected to an output terminal of the second diode, a collector of the third insulated gate bipolar transistor, and an output terminal of the fourth diode, an emitter of the first insulated gate bipolar transistor is connected to an input terminal of the second insulated gate bipolar transistor, an input terminal of the second diode, an output terminal of the first diode, and a first end of the first inductor, a second end of the first inductor is connected to a first end of the first resistor, a second end of the first resistor is connected to a first end of the dc motor, and an emitter of the first inductor is connected to an output terminal of the third diode, an emitter of the fourth insulated gate bipolar transistor, and an input terminal of the fourth insulated gate bipolar transistor, and an output terminal of the fourth insulated gate bipolar transistor are connected to a first end of the fourth diode, respectively.
Preferably, the first insulated gate bipolar transistor, the second insulated gate bipolar transistor, the third insulated gate bipolar transistor and the fourth insulated gate bipolar transistor are the same in model number.
Preferably, the first diode, the second diode, the third diode and the fourth diode are identical in model number.
Preferably, the dc load is a dc motor.
Preferably, the first inductor is a fixed inductor or a variable inductor.
The invention has the following advantages: the direct current bidirectional charging module has the advantages of bidirectional control, high running power, high reliability and simple circuit.
Drawings
Fig. 1 is a circuit diagram of a dc bidirectional charging module according to the present invention.
Fig. 2 is a circuit diagram of current flow when the direct current motor of the invention is in forward electric operation.
Fig. 3 is a circuit diagram of current flow during forward regenerative braking of the dc motor of the present invention.
Fig. 4 is a circuit diagram of current flow when the direct current motor of the present invention is reverse-powered.
Fig. 5 is a circuit diagram of current flow during reverse regenerative braking of the dc motor of the present invention.
Detailed Description
The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the dc bidirectional charging module includes a first insulated gate bipolar transistor V 1, a second insulated gate bipolar transistor V 2, a third insulated gate bipolar transistor V 3, a fourth insulated gate bipolar transistor V 4, a first diode VD 1, a second diode VD 2, a third diode VD 3, a fourth diode VD 4, a dc motor M, a first inductor L, and a first resistor R. The collector of the first insulated gate bipolar transistor V 1 is connected with the output end of the second diode VD 2, the collector of the third insulated gate bipolar transistor V 3, the output end of the fourth diode VD 4 and the positive electrode of the direct current power supply E, the emitter of the first insulated gate bipolar transistor V 1 is connected with the collector of the second insulated gate bipolar transistor V 2, the input end of the second diode VD 2, the output end of the first diode VD 1 and the first end of the first inductance coil L, the second end of the first inductance coil L is connected with the first end of the first resistor R, the second end of the first resistor R is connected with the first end of the direct current motor M, the emitter of the third insulated gate bipolar transistor V 3 is connected with the collector of the fourth insulated gate bipolar transistor V 4, the input end of the fourth diode VD 4, the output end of the third diode VD 3 and the second end of the direct current motor M, the input terminal of the third diode VD 3 is connected to the emitter of the second insulated gate bipolar transistor V 2, the input terminal of the first diode VD 1, the emitter of the fourth insulated gate bipolar transistor V 4, and the negative terminal of the dc power source E, respectively, the gate of the first insulated gate bipolar transistor V 1 is connected to the first signal output terminal of the control unit, the gate of the second insulated gate bipolar transistor V 2 is connected to the second signal output terminal of the control unit, the gate of the third insulated gate bipolar transistor V 3 is connected to the third signal output terminal of the control unit, the gate of the fourth insulated gate bipolar transistor V 4 is connected to the fourth signal output terminal of the control unit, the first insulated gate bipolar transistor V 1, the second insulated gate bipolar transistor V 2, the third insulated gate bipolar transistor V 3 and the fourth insulated gate bipolar transistor V 4 are identical in model, and the first diode VD 1, the second diode VD 2, the third diode VD 3 and the fourth diode VD 4 are also identical in model, and the dc load is the dc motor M. The first inductance coil L is a fixed inductance coil or a variable inductance coil.
Working principle: when the direct current bidirectional charging module works, the direct current bidirectional charging module is mainly divided into the following four working modes.
(1) As shown in fig. 2, when the control unit performs PWM control on the first insulated gate bipolar transistor V 1, while the fourth insulated gate bipolar transistor V 4 is turned on, the second insulated gate bipolar transistor V 2 and the third insulated gate bipolar transistor V 3 are turned off, the first insulated gate bipolar transistor V 1 and the first diode VD 1 form a buck chopper circuit, and when the first insulated gate bipolar transistor V 1 is turned on, the current coming out from the positive electrode of the dc power source E sequentially passes through the first insulated gate bipolar transistor V 1, the first inductance coil L, the first resistor R, the dc motor M and the first insulated gate bipolar transistor V 1, and finally returns to the negative electrode of the dc power source E, at this time, the dc power source E supplies power to the dc motor M, so that the dc motor M is electrically operated in the forward direction.
(2) As shown in fig. 3, when the control unit performs PWM control on the second insulated gate bipolar transistor V 2 while the third insulated gate bipolar transistor V 3 is turned on, the first insulated gate bipolar transistor V 1 and the fourth insulated gate bipolar transistor V 4 are turned off, and the second insulated gate bipolar transistor V 2 and the second diode VD 2 form a boost chopper circuit. When the second insulated gate bipolar transistor V 2 is turned off, at this time, the second diode VD 2, the first resistor R, the first inductor L, the dc motor M, the second diode VD 2, and the dc power source E form a loop, and the dc power source E is charged by the forward regenerative braking of the dc motor M.
(3) As shown in fig. 4, when the control unit performs PWM control on the third insulated gate bipolar transistor V 3, the second insulated gate bipolar transistor V 2 is turned on, the first insulated gate bipolar transistor V 1 and the fourth insulated gate bipolar transistor V 4 are turned off, the V 3 and the VD 3 form a step-down chopper circuit, and when the third insulated gate bipolar transistor V 3 is turned on, the current coming out from the positive electrode of the dc power source E sequentially passes through the third insulated gate bipolar transistor V 3, the dc motor M, the first resistor R, the first inductor L and the second insulated gate bipolar transistor V 2, and finally returns to the negative electrode of the dc power source E, and at this time, the dc power source E supplies power to the dc motor M to make it perform reverse electric operation.
(4) As shown in fig. 5, when the control unit performs PWM control on the fourth insulated gate bipolar transistor V 4, the first insulated gate bipolar transistor V 1 is turned on, the second insulated gate bipolar transistor V 2 and the third insulated gate bipolar transistor V 3 are turned off, the fourth insulated gate bipolar transistor V 4 and the fourth diode VD 4 form a boost chopper circuit, and when the fourth insulated gate bipolar transistor V 4 is turned off, the dc power source E, the first diode VD 1, the first inductance L, the first resistor R, the dc motor M and the fourth diode VD 4 form a loop, and at this time, the dc motor M is reversely regenerated and braked to charge the dc power source E.
By using the high-power IGBT technology, the direct-current bidirectional charging module not only can realize bidirectional control of current, but also has the advantages of high running power, high reliability and simple circuit.
While the invention has been described in detail in the foregoing general description and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (3)
1. The direct current bidirectional charging module comprises a first insulated gate bipolar transistor, a second insulated gate bipolar transistor, a third insulated gate bipolar transistor, a fourth insulated gate bipolar transistor, a first diode, a second diode, a third diode, a fourth diode, a direct current load, a first inductance coil and a first resistor, and is characterized in that a collector of the first insulated gate bipolar transistor is respectively connected with an output end of the second diode, a collector of the third insulated gate bipolar transistor and an output end of the fourth diode, an emitter of the first insulated gate bipolar transistor is respectively connected with a collector of the second insulated gate bipolar transistor, an input end of the second diode, an output end of the first diode and a first end of a first inductance coil, a second end of the first inductance coil is connected with a first end of the first resistor, a second end of the first resistor is connected with a first end of a direct current motor, and a second end of the direct current motor is respectively connected with an output end of the second diode, a collector of the third insulated gate bipolar transistor and an output end of the fourth insulated gate bipolar transistor, an emitter of the fourth insulated gate bipolar transistor and an input end of the fourth insulated gate bipolar transistor are respectively connected with an output end of the fourth insulated gate bipolar transistor;
the first insulated gate bipolar transistor, the second insulated gate bipolar transistor, the third insulated gate bipolar transistor and the fourth insulated gate bipolar transistor are the same in model number;
The first diode, the second diode, the third diode and the fourth diode are the same in model number.
2. The direct current bi-directional charging module of claim 1, wherein the direct current load is a direct current motor.
3. The direct current bi-directional charging module of claim 1, wherein the first inductor is a fixed inductor or a variable inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183067.7A CN106655418B (en) | 2017-03-24 | 2017-03-24 | Direct-current bidirectional charging module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183067.7A CN106655418B (en) | 2017-03-24 | 2017-03-24 | Direct-current bidirectional charging module |
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| Publication Number | Publication Date |
|---|---|
| CN106655418A CN106655418A (en) | 2017-05-10 |
| CN106655418B true CN106655418B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710183067.7A Active CN106655418B (en) | 2017-03-24 | 2017-03-24 | Direct-current bidirectional charging module |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741292A (en) * | 2008-11-25 | 2010-06-16 | 南京理工大学 | Motor control system capable of realizing high-efficiency recovery of kinetic energy and control method thereof |
| CN204210320U (en) * | 2014-11-17 | 2015-03-18 | 哈尔滨理工大学 | Based on the DC/DC control system of electronlmobil regenerative brake |
| CN204559452U (en) * | 2015-03-27 | 2015-08-12 | 沈阳工业大学 | Based on the brushless coil excitation DC motor control system of current chopping |
| EP2961069A1 (en) * | 2014-06-27 | 2015-12-30 | Siemens Aktiengesellschaft | Electric machine system and igbt switch circuit thereof |
| CN206559108U (en) * | 2017-03-24 | 2017-10-13 | 刘博� | A kind of two-way charging module of direct current |
-
2017
- 2017-03-24 CN CN201710183067.7A patent/CN106655418B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741292A (en) * | 2008-11-25 | 2010-06-16 | 南京理工大学 | Motor control system capable of realizing high-efficiency recovery of kinetic energy and control method thereof |
| EP2961069A1 (en) * | 2014-06-27 | 2015-12-30 | Siemens Aktiengesellschaft | Electric machine system and igbt switch circuit thereof |
| CN204210320U (en) * | 2014-11-17 | 2015-03-18 | 哈尔滨理工大学 | Based on the DC/DC control system of electronlmobil regenerative brake |
| CN204559452U (en) * | 2015-03-27 | 2015-08-12 | 沈阳工业大学 | Based on the brushless coil excitation DC motor control system of current chopping |
| CN206559108U (en) * | 2017-03-24 | 2017-10-13 | 刘博� | A kind of two-way charging module of direct current |
Non-Patent Citations (3)
| Title |
|---|
| 小功率直流电动机调速正反转切换控制的PWM控制系统;陈齐汉;张茂青;汪萍;张柏生;;电工技术(01);全文 * |
| 电动汽车主辅电源能量回馈研究;叶敏 等;《系统仿真学报》;第19卷(第23期);全文 * |
| 电动汽车制动能量回收控制策略的研究;刘博 等;《电子技术应用》;全文 * |
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| CN106655418A (en) | 2017-05-10 |
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