CN216216570U - Rectifying device - Google Patents
Rectifying device Download PDFInfo
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- CN216216570U CN216216570U CN202122348492.1U CN202122348492U CN216216570U CN 216216570 U CN216216570 U CN 216216570U CN 202122348492 U CN202122348492 U CN 202122348492U CN 216216570 U CN216216570 U CN 216216570U
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- bridge rectifier
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Abstract
A rectifying device comprises a machine shell, wherein 4 groups of diode assemblies are fixed in the machine shell, the input ends of the diode assemblies are connected with an input interface copper bar through protection and fast melting, and the output ends of the diode assemblies are connected with an output interface copper bar; the diode component comprises a 6-pulse-wave bridge rectifier unit, and a water-cooling radiator connected with a cooling water pipe is further arranged on one side of the 6-pulse-wave bridge rectifier unit. The device can convert alternating current electric energy into direct current electric energy, the capacity of the 4 groups of diode assemblies can reach DC2400A/5000V, and power can be provided for inversion and charging type loads.
Description
Technical Field
The present invention relates to a rectifying device.
Background
The existing high-voltage charging inverter generally adopts a plurality of standard devices to carry out parallel connection/serial connection combination, and the size of the inverter changes along with the capacity, so that the occupied volume is overlarge. The size of the cable is different from that of upper and lower matched equipment, the cable is difficult to install, and the external connecting wires are multiple and complex. Therefore, a rectifying device needs to be designed and developed, and the capacity of DC2400A/5000V can be output in a single cabinet through reasonable design. The rectifying device can be used for converting high-power electric energy AC-DC, provides a required direct-current power supply for subsequent equipment such as energy storage inversion and the like, and has the characteristics of high voltage and small size.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rectifying device to solve the problems in the background art, the rectifying device can be used for converting high-power electric energy AC-DC, provides a required direct-current power supply for subsequent equipment such as energy storage inversion and the like, and has the characteristics of high voltage and small volume.
The technical scheme adopted for achieving the purpose is that the rectifying device comprises a machine shell, wherein 4 groups of diode assemblies are fixed in the machine shell, the input ends of the diode assemblies are connected with an input interface copper bar through protection fast melting, and the output ends of the diode assemblies are connected with an output interface copper bar; the diode component comprises a 6-pulse-wave bridge rectifier unit, and a water-cooling radiator connected with a cooling water pipe is further arranged on one side of the 6-pulse-wave bridge rectifier unit.
Furthermore, the number of the diode assemblies is 4, the number of the 6 pulse wave bridge rectifier units is 4, 2 groups of the 6 pulse wave bridge rectifier units are connected in series to form a group of 12 pulse wave rectifier units, the number of the 12 pulse wave rectifier units is 2, and 2 groups of the 12 pulse wave rectifier units are connected in parallel to form a 24 pulse wave rectifier unit.
Advantageous effects
Compared with the prior art, the utility model has the following advantages.
The rectifying device has the advantages that through the series-parallel combination of the 6-pulse-wave bridge rectifying units, the rectifying device can realize DC2400A/5000V direct current output, can provide a required direct current power supply for subsequent equipment such as energy storage inversion and the like, and has the characteristic of high voltage.
Drawings
The utility model is further described with reference to the following figures.
FIG. 1 is an axial view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a structural view of a diode assembly of the present invention;
fig. 4 is a main circuit diagram of the present invention.
Detailed Description
The utility model is further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1-4, a rectifying device comprises a casing 1, wherein 4 groups of diode assemblies 4 are fixed in the casing 1, the input ends of the diode assemblies 4 are connected with an input interface copper bar 2 through a protection fast melting 3, and the output ends of the diode assemblies 4 are connected with an output interface copper bar 5; the diode assembly 4 comprises a 6-pulse-wave bridge rectifier unit 41, and a water-cooling radiator 42 connected with the cooling water pipe 6 is further arranged on one side of the 6-pulse-wave bridge rectifier unit 41.
The number of the diode assemblies 4 is 4, the number of the 6 pulse wave bridge rectifier units 41 is 4, each 2 groups of the 6 pulse wave bridge rectifier units 41 are connected in series to form a group of 12 pulse wave rectifier units, the number of the 12 pulse wave rectifier units is 2, and the 2 groups of 12 pulse wave rectifier units are connected in parallel to form a 24 pulse wave rectifier unit.
In the utility model, 4 groups of diode assemblies 4 are fixed in a casing 1, current is input through an input interface copper bar 2, passes through a protective fast melting 3, passes through the diode assemblies 4 and is output through an output interface copper bar 5, and a charged device is fixed by using an insulating glass cloth plate; each diode component 4 is provided with a water-cooling radiator 42, and external cooling water is input through a cooling water pipe 6 and is connected with the water-cooling radiator 42 through a soft water pipe; the 6-pulse bridge rectifier unit 41 is configured by 6 elements, and ac is input from U, V, W, and one three-phase bridge rectifier circuit is configured by 6 elements, and dc is output.
In practical implementation, the 4 diode assemblies 4 include 4 6-pulse bridge rectifier units 41, wherein 2 6-pulse bridge rectifier units 41 with a capacity of DC1200A/2500V are connected in series to form a 12-pulse rectifier unit with a capacity of DC1200A/5000V, and then 2 12-pulse rectifier units are connected in parallel to form a 24-pulse rectifier unit with a capacity of DC 2400A/5000V.
The rectifier device is also internally provided with fault protection functions such as element overheating protection, abnormal cooling water paths and the like, can be in data communication with the outside, and can meet the requirements of equipment on high current and high voltage of the rectifier device.
Claims (2)
1. A rectifying device comprises a machine shell (1), and is characterized in that 4 groups of diode assemblies (4) are fixed in the machine shell (1), the input ends of the diode assemblies (4) are connected with an input interface copper bar (2) through a protective fast melting device (3), and the output ends of the diode assemblies (4) are connected with an output interface copper bar (5); the diode component (4) comprises a 6-pulse-wave bridge rectifier unit (41), and a water-cooling radiator (42) connected with the cooling water pipe (6) is further arranged on one side of the 6-pulse-wave bridge rectifier unit (41).
2. A rectifying device according to claim 1, characterized in that said diode assemblies (4) are 4 groups, said 6 pulse bridge rectifier units (41) are 4 groups, each 2 groups of said 6 pulse bridge rectifier units (41) are connected in series to form a group of 12 pulse rectifier units, said 12 pulse rectifier units are 2 groups, and 2 groups of 12 pulse rectifier units are connected in parallel to form a 24 pulse rectifier unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122348492.1U CN216216570U (en) | 2021-09-27 | 2021-09-27 | Rectifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122348492.1U CN216216570U (en) | 2021-09-27 | 2021-09-27 | Rectifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216216570U true CN216216570U (en) | 2022-04-05 |
Family
ID=80926243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122348492.1U Active CN216216570U (en) | 2021-09-27 | 2021-09-27 | Rectifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216216570U (en) |
-
2021
- 2021-09-27 CN CN202122348492.1U patent/CN216216570U/en active Active
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