CN209001648U - A kind of three-phase charger - Google Patents
A kind of three-phase charger Download PDFInfo
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- CN209001648U CN209001648U CN201821365683.0U CN201821365683U CN209001648U CN 209001648 U CN209001648 U CN 209001648U CN 201821365683 U CN201821365683 U CN 201821365683U CN 209001648 U CN209001648 U CN 209001648U
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Abstract
The utility model provides a kind of three-phase charger, including control circuit and charging circuit, the input terminal of charging circuit is connect with 380V three phase mains, control circuit controls charging circuit work, it is characterized by: the control circuit includes voltage transformation module, central processing unit and control/protection drive module, central processing unit controls control/and protect drive module to work, control/protection drive module is connect with charging circuit, the input voltage of voltage transformation module is 380V, the input terminal of voltage transformation module is connect with any two-phase power supply line of 380V three phase mains, voltage transformation module is equipped at least two output ends, two of them output end is respectively central processing unit and control/protection drive module power supply.Voltage transformation module easy-to-connect reduces the probability of error.
Description
Technical field
The utility model relates to a kind of three-phase chargers.
Background technique
Existing three-phase charger, including control circuit and charging circuit, the input terminal and 380V three-phase electricity of charging circuit
Source connection, control circuit control charging circuit charge the battery.Control circuit includes voltage transformation module, central processing list
Member and control/protection drive module, central processing unit controls control/and protect drive module to work, control/protection drive module
It is connect with charging circuit, voltage transformation module includes the isolating transformer and several power modules of 120V input, isolating transformer
Primary coil one end and any one phase power supply line of three phase mains connect, the ground wire of the other end and three phase mains connects；Isolation
The secondary coil of transformer is connect with each power module.The three-phase charger of this structure, the input wires warp of isolating transformer
Often meeting misconnection, causes the damage of charger.
Utility model content
The utility model provides a kind of three-phase charger, to solve the isolation transformation of control circuit in the prior art
The input wires of device often misconnection the problem of.
The technical solution of the utility model is achieved in that
The purpose of the utility model is to provide a kind of three-phase charger, including control circuit and charging circuit, charging circuits
Input terminal connect with 380V three phase mains, control circuit control charging circuit work, it is characterised in that: the control circuit packet
Include voltage transformation module, central processing unit and control/protection drive module, central processing unit controls control/protection driving
Module work, control/protection drive module are connect with charging circuit, and the input voltage of voltage transformation module is 380V, and voltage turns
The input terminal of mold changing block is connect with any two-phase power supply line of 380V three phase mains, and voltage transformation module is equipped at least two outputs
End, two of them output end are respectively central processing unit and control/protection drive module power supply.
Voltage transformation module described above includes the isolating transformer of 380V/220V, the initial level of isolating transformer with
The connection of 380V three phase mains, the output end of isolating transformer are connect with the first accessory power supply and the second accessory power supply, the first auxiliary
The output end of power supply is connect with central processing unit, and the output end of the second accessory power supply is connect with control/protection drive module, the
The output end of three accessory power supplys is connect with second output terminal.
Equipped with BMS battery management system, the output end of the isolating transformer also assists electricity with third in the above-mentioned pond that is electrically charged
Source connection, the output end of third accessory power supply are connect with second output terminal, and second output terminal passes through power supply line and is electrically charged
The BMS battery management system in pond connects.
Third accessory power supply described above is 220V/120V isolated power supply module, and second accessory power supply is 220V/9V
Isolated power supply module.
Central processing unit described above further include for the communication interface that is electrically charged pond and communicates.
Charging circuit described above includes the input rectification circuit being linked in sequence, circuit of power factor correction, IGBT bridge-type
Inverter circuit, high-frequency isolation transformer, output rectification circuit and output filter circuit, the output end of output filter circuit with
First lead-out terminal connection, first lead-out terminal are connect by electric wire with the positive and negative anodes for being electrically charged pond, input rectification circuit it is defeated
Enter end to connect with 380V three phase mains, the control/protection drive module output end is connect with IGBT bridge inverter main circuit.
Control circuit described above further includes sampling module and output amplifier circuit, and sampling module is connected to described defeated
Out between the output end and first lead-out terminal of filter circuit, the input terminal of sampling module output end and output amplifier circuit
The output end of connection, output amplifier circuit is connect with central processing unit and control/protection drive module.
Central processing unit described above is also connected with setting and display circuit.
The utility model compared with prior art, has the advantage that
1, the input voltage of voltage transformation module is 380V, the input terminal of voltage transformation module and appointing for 380V three phase mains
Two-phase power supply line of anticipating connection, voltage transformation module easy-to-connect reduce the probability of error；
2, be electrically charged pond equipped with BMS battery management system, the output end of the isolating transformer also with third accessory power supply
Connection, the output end of third accessory power supply are connect with second output terminal, and second output terminal is by power supply line and is electrically charged pond
BMS battery management system connection, be electrically charged pond and no longer need to separately connect battery, it is convenient and simple；
3, the central processing unit be equipped with for the communication interface that is electrically charged pond and communicates, facilitate central processing unit pair
The situation for being electrically charged pond is understood and is controlled.
Detailed description of the invention
Fig. 1 is the structural block diagram of three-phase charger provided by the embodiment of the utility model；
Fig. 2 is the external wiring diagram of three-phase charger provided by the embodiment of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As shown in Figure 1 and Figure 2, provided in this embodiment is a kind of three-phase charger, including control circuit 1 and charging circuit
2, the input terminal of charging circuit 2 is connect with 380V three phase mains, and control circuit 1 controls charging circuit 2 and works, it is characterised in that:
The control circuit 2 includes voltage transformation module 21, central processing unit 22 and control/protection drive module 23, control/protection
Drive module 23 is connect with charging circuit 1, and central processing unit 22 controls control/protection drive module 23 and works, voltage conversion
The input voltage of module 21 is 380V, and the input terminal of voltage transformation module 21 and any two-phase power supply line of 380V three phase mains connect
Connect, voltage transformation module 21 be equipped at least two output ends, two of them output end be respectively central processing unit 22 and control/
Drive module 23 is protected to power.
The isolating transformer 211 of voltage transformation module 21 described above including 380V/220V, isolating transformer 211 just
Beginning grade is connect with any two-phase power supply line of 380V three phase mains, the output end of isolating transformer 211 and the first accessory power supply 212
It is connected with the second accessory power supply 213, the output end of the first accessory power supply 212 is connect with central processing unit 22, the second auxiliary electricity
The output end in source 213 is connect with control/protection drive module 23.
The above-mentioned pond that is electrically charged connecting with three-phase charger is equipped with BMS battery management system 43, the isolating transformer 211
Output end also connect with third accessory power supply 214, the output end of third accessory power supply 214 is connect with second output terminal 27,
Second output terminal 27 is connect by power supply line with the BMS battery management system 43 for being electrically charged pond 4.
Third accessory power supply 214 described above is 220V/120V isolated power supply module, and second accessory power supply 213 is
220V/9V isolated power supply module.
Central processing unit 22 described above be equipped with for the communication interface 221 that is electrically charged pond 4 and communicates.Communication interface
221 are connect by signal wire with the communication port 43 for being electrically charged pond 4, and the state for being electrically charged pond 4 passes through communication port 43 and communication
The communication of interface 221 is transmitted to central processing unit 22.
Charging circuit 1 described above includes the input rectification circuit 11 being linked in sequence, circuit of power factor correction 12, IGBT
Bridge inverter main circuit 13, high-frequency isolation transformer 14, output rectification circuit 15 and output filter circuit 16 export filtered electrical
The output end on road 16 is connect with first lead-out terminal 17, and first lead-out terminal 17 is connected by electric wire with the positive and negative anodes for being electrically charged pond 4
Connect, the input terminal of input rectification circuit 1 is connect with 380V three phase mains, the control/protection drive module 23 output end with
IGBT bridge inverter main circuit 13 connects.
Control circuit 2 described above further includes sampling module 25 and output amplifier circuit 24, and sampling module 25 connects
Between the output end and first lead-out terminal 17 of the output filter circuit 16,25 output end of sampling module is put with output sampling
The input terminal connection of big circuit 24, the output end and central processing unit 22 and control/protection for exporting amplifier circuit 24 drive
Dynamic model block 23 connects.
Central processing unit 22 described above is also connected with setting and display circuit 26, and setting and display circuit 26 are for showing
The Current Voltage state and user for showing charger carry out input setting to the parameter of charger.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (8)
1. a kind of three-phase charger, including control circuit and charging circuit, the input terminal and 380V three phase mains of charging circuit connect
It connects, control circuit controls charging circuit work, it is characterised in that: the control circuit includes voltage transformation module, central processing
Unit and control/protection drive module, central processing unit controls control/and protect drive module to work, control/protection drives mould
Block is connect with charging circuit, and the input voltage of voltage transformation module is 380V, the input terminal and 380V three-phase of voltage transformation module
Any two-phase power supply line of power supply connects, and voltage transformation module is equipped at least two output ends, and two of them output end is respectively
Central processing unit and control/protection drive module power supply.
2. a kind of three-phase charger according to claim 1, it is characterised in that: the voltage transformation module includes 380V/
The initial level of the isolating transformer of 220V, isolating transformer is connect with 380V three phase mains, the output end of isolating transformer and
One accessory power supply and the connection of the second accessory power supply, the output end of the first accessory power supply are connect with central processing unit, the second auxiliary
The output end of power supply is connect with control/protection drive module.
3. a kind of three-phase charger according to claim 2, it is characterised in that: be electrically charged pond equipped with BMS battery management system
System, the output end of the isolating transformer are also connect with third accessory power supply, the output end of third accessory power supply and the second output
Terminal connection, second output terminal are connect by power supply line with the BMS battery management system for being electrically charged pond.
4. a kind of three-phase charger according to claim 3, it is characterised in that: the third accessory power supply is 220V/
120V isolated power supply module, second accessory power supply are 220V/9V isolated power supply module.
5. a kind of three-phase charger according to claim 3, it is characterised in that: the central processing unit further includes being used for
With the communication interface for being electrically charged pond and communicating.
6. a kind of three-phase charger as claimed in any of claims 1 to 5, it is characterised in that: the charging circuit
Input rectification circuit, circuit of power factor correction, IGBT bridge inverter main circuit, high-frequency isolation transformer including sequential connection,
The output end of output rectification circuit and output filter circuit, output filter circuit is connect with first lead-out terminal, the first output
Terminal is connect by electric wire with the battery plus-negative plate for being electrically charged pond, and the input terminal and 380V three phase mains of input rectification circuit connect
It connects, the control/protection drive module output end is connect with IGBT bridge inverter main circuit.
7. a kind of three-phase charger according to claim 6, it is characterised in that: the control circuit further includes sampling module
With output amplifier circuit, sampling module is connected between the output end and first lead-out terminal of the output filter circuit,
Sampling module output end is connect with the input terminal of output amplifier circuit, exports the output end and centre of amplifier circuit
Manage unit and control/protection drive module connection.
8. a kind of three-phase charger according to claim 7, it is characterised in that: the central processing unit, which is also connected with, to be set
It sets and display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821365683.0U CN209001648U (en) | 2018-08-23 | 2018-08-23 | A kind of three-phase charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821365683.0U CN209001648U (en) | 2018-08-23 | 2018-08-23 | A kind of three-phase charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209001648U true CN209001648U (en) | 2019-06-18 |
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ID=66799007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821365683.0U Active CN209001648U (en) | 2018-08-23 | 2018-08-23 | A kind of three-phase charger |
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| CN (1) | CN209001648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541447A (en) * | 2021-07-21 | 2021-10-22 | 广东汇天航空航天科技有限公司 | Power supply circuit and power supply method of aircraft motor driver and aircraft |
-
2018
- 2018-08-23 CN CN201821365683.0U patent/CN209001648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541447A (en) * | 2021-07-21 | 2021-10-22 | 广东汇天航空航天科技有限公司 | Power supply circuit and power supply method of aircraft motor driver and aircraft |
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