CN219304816U

CN219304816U - Solid-state modulator switch module connecting device

Info

Publication number: CN219304816U
Application number: CN202222318835.4U
Authority: CN
Inventors: 聂玉春; 李成; 叶长银; 余锐; 何伟
Original assignee: Wuhu Maikewei Electromagnetic Technology Co ltd
Current assignee: Wuhu Maikewei Electromagnetic Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-07-04
Anticipated expiration: 2032-08-31

Abstract

The utility model belongs to a solid-state modulator switch module connecting device in the technical field of solid-state modulators. The device comprises a switch IGBT (1), an energy storage capacitor (2), a charge fast recovery diode (3) and a discharge fast recovery diode (4), wherein the switch IGBT, the energy storage capacitor (2), the charge fast recovery diode (3) and the discharge fast recovery diode (4) are connected to a laminated busbar (5), a trigger power supply plate (8) is arranged on a red copper stud II (19) of the laminated busbar (5), a unit trigger plate (7) is arranged on the switch IGBT (1) through a copper stud (6) and is fixed with a red copper stud I (18) of the laminated busbar (5), and the trigger power supply plate (8) is in plug connection with the unit trigger plate (7). The solid-state modulator switch module connecting device can effectively solve the problems of complex assembly, high manufacturing cost, poor reliability, low safety of a solid-state switch connecting structure in the prior art, and has the advantages of simple structure, low cost, high universal standard, high reliability and the like.

Description

Solid-state modulator switch module connecting device

Technical Field

The utility model belongs to the technical field of solid-state modulators, and particularly relates to a solid-state modulator switch module connecting device.

Background

At present, with the continuous development of high-power semiconductor switching devices, solid-state modulators have become an important component of accelerator systems by virtue of small volume, low manufacturing cost, high modularized integration level, high reliability and the like. The working principle of the solid-state modulator is that the commercial power is converted into direct-current voltage required to be output through a high-voltage direct-current power supply, and the direct-current voltage is charged in parallel to a plurality of module energy storage capacitors of the switch assembly. When the discharge switch IGBT in the component receives the trigger signal, the energy stored in the capacitor is modulated by the discharge switch, the series discharge realizes the superposition of voltage, and the voltage is boosted by the pulse transformer and coupled to the two ends of the magnetron to form a high-voltage pulse signal with a certain pulse width and frequency. The solid-state switch component is a core part of the solid-state modulator, and the solid-state switch unit generally comprises a switch IGBT, an energy storage capacitor, a charging diode, a discharging diode, a unit trigger plate and a pulse power supply plate. And the IGBT and the charge-discharge diode are arranged on the cold plate to dissipate heat, so that the normal operation of the device is ensured. The pulse power panel integrates a pulse forming network, provides an IGBT trigger power supply circuit, and plays a role in closed-loop control and fault protection through a sampling transformer. The pulse power panel is directly installed on IGBT terminal to be connected with energy storage capacitor, diode. The two ends of the energy storage capacitor are respectively connected with the C end and the E end of the IGBT through copper plates, and the connection terminals of different devices are inconsistent in height and are required to be switched through copper studs. The unit trigger plate is also directly installed on the IGBT from taking the pin, provides the trigger signal for the switch IGBT, has overcurrent and rapid protection effect of striking sparks. The solid-state switch module connection structure of the solid-state modulator in the prior art has the following main disadvantages: 1. the switch module is connected with a plurality of structural members, the installation sequence is complex, and the switch module is not easy to replace and maintain when the switch device is damaged. 2. The switch module is connected with the IGBT through the copper stud in a connecting way, when the stud is loosened, the device is invalid, the device is heated or even fires, the reliability is poor, and the safety is low. 3. The switch module is connected with the switch IGBT, the energy storage capacitor and the charge-discharge diode through the pulse power panel, so that the parallel charging and serial discharging mode of the switch assembly is realized, and the pulse power panel has large volume, complex structure and poor universal standard.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the solid-state modulator switch module connecting device has the advantages of simple structure, low manufacturing cost, high universal standard, high reliability and the like.

The technical scheme adopted by the utility model is as follows:

the utility model relates to a solid-state modulator switch module connecting device which comprises a switch IGBT, wherein the switch IGBT, an energy storage capacitor, a charge fast recovery diode and a discharge fast recovery diode are connected to a laminated busbar, a trigger power supply plate is arranged on a red copper stud II of the laminated busbar, a unit trigger plate is arranged on the switch IGBT1 through a copper stud I and is fixed with the red copper stud I of the laminated busbar, and the trigger power supply plate is connected with the unit trigger plate in an inserting mode.

The laminated busbar comprises a copper plate I, a copper plate II, a PET film I, a PET film II, a PET film III and a PET film IV.

The laminated busbar further comprises a red copper column I, a red copper column II, a red copper stud I and a red copper stud II.

The laminated busbar comprises a PET film I, a copper plate II, a PET film III, a copper plate I and a PET film IV from top to bottom.

The PET film I, the copper plate II, the PET film III, the copper plate I and the PET film IV are arranged to be an integrated structure pressed by a pressing machine.

The red copper column I is connected with the positive terminal of the energy storage capacitor, the C terminal of the switch IGBT and the quick recovery diode in a charging mode.

The red copper column II is connected with the red copper plate II in a crimping way, and is connected with the negative wiring end of the energy storage capacitor, the E terminal of the switch IGBT and the discharge fast recovery diode.

The red copper stud I is welded on the red copper plate I, and the red copper stud II is welded on the red copper plate II.

The height of the red copper stud I is consistent with that of the red copper stud II.

The unit trigger plate is installed on the pin of the switch IGBT through a copper stud I.

By adopting the technical scheme of the utility model, the working principle and the beneficial effects are as follows:

the utility model relates to a solid-state modulator switch module connecting device, which connects all devices of a module by using a laminated busbar, and installs a standard trigger power supply board on the laminated busbar to connect with a unit trigger board installed on a pin of an IGBT (insulated gate bipolar transistor) by using a connector. The laminated busbar adopts two layers of copper plates, is divided by a plurality of layers of PET films, forms an integrated structure through a pressing machine, and has good insulation and pressure resistance. And the laminated busbar adopts a press-fit red copper column to ensure that the heights of the wiring terminals of the devices are flush. The laminated busbar adopts red copper studs required by press fitting and soldering on two layers of copper plates, and realizes the structure of installing a circuit board on the busbar. The triggering power supply board supplies power to the unit triggering board through the opposite plug connector, and the sampling transformer has the functions of closed-loop control and fault protection. Compared with the prior art, the utility model has the following advantages: 1. simple structure, small volume, low manufacturing cost and high standardization. The switch module connecting device adopts the laminated busbar to connect devices, and has the advantages of quick installation, simple and clear structure and low processing cost. The laminated busbar and the triggering power supply board are all of standard generalized design, and are small in size and high in interchangeability. 2. The connecting device has good reliability and high safety. The laminated busbar is directly arranged on the switch IGBT and the energy storage capacitor wiring terminal, so that the use of a stud for switching is avoided, and the reliability and the safety of the solid-state switch assembly are improved. And the laminated busbar has low impedance, small loop inductance and quick heat dissipation and conduction, and can better improve the reliability of the switch module. 3. The triggering power supply board and the unit triggering board are connected by adopting connectors, so that the structure is simple, and the installation and the maintenance are easy. The solid-state modulator switch module connecting device can effectively solve the problems of complex assembly, high manufacturing cost, poor reliability, low safety of a solid-state switch connecting structure in the prior art, has the advantages of simple structure, low cost, high universal standard, high reliability and the like, and meets the requirements.

Drawings

The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:

FIG. 1 is a schematic diagram of a solid state modulator switch module connection device according to the present utility model;

FIG. 2 is a schematic diagram of the overall structure of a stacked busbar of a solid state modulator switch module connection device according to the present utility model;

FIG. 3 is a schematic diagram of an exploded structure of a stacked busbar of a solid state modulator switch module connection device according to the present utility model;

the reference numerals are: 1. switching an IGBT; 2. an energy storage capacitor; 3. a charge fast recovery diode; 4. a discharge fast recovery diode; 5. laminating a busbar; 6. copper stud I; 7. a unit trigger plate; 8. triggering a power supply board; 9. copper stud II; 10. copper plate I; 11. copper plate II; 12. PET film I; 13. PET film II; 14. PET film III; 15. PET film IV; 16. red copper column I; 17. red copper column II; 18. red copper stud I; 19. red copper stud II.

Detailed Description

The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present utility model by describing examples in further detail:

as shown in fig. 1-3, the utility model relates to a solid-state modulator switch module connecting device, which comprises a switch IGBT1, wherein the switch IGBT1, an energy storage capacitor 2, a charge fast recovery diode 3 and a discharge fast recovery diode 4 are connected to a laminated busbar 5, a trigger power supply plate 8 is arranged on a red copper stud II 19 of the laminated busbar 5, a unit trigger plate 7 is arranged on the switch IGBT1 through a copper stud I6 and is fixed with a red copper stud I18 of the laminated busbar 5, and the trigger power supply plate 8 is connected with the unit trigger plate 7 in an inserting manner. The structure provides an improved technical scheme aiming at the defects in the prior art. The connecting device of the utility model uses the laminated busbar 5 to connect the devices of the module, and a standard trigger power supply board is arranged on the laminated busbar 5 to connect with a unit trigger board connector arranged on the pin of the IGBT. The laminated busbar adopts two layers of copper plates, is divided by a plurality of layers of PET films, forms an integrated structure through a pressing machine, and has good insulation and pressure resistance. And the laminated busbar adopts a press-fit red copper column to ensure that the heights of the wiring terminals of the devices are flush. The laminated busbar adopts red copper studs required by press fitting and soldering on two layers of copper plates, and realizes the structure of installing a circuit board on the busbar. The triggering power supply board supplies power to the unit triggering board through the opposite plug connector, and the sampling transformer has the functions of closed-loop control and fault protection. Compared with the prior art, the utility model has the following advantages: 1. simple structure, small volume, low manufacturing cost and high standardization. The switch module connecting device adopts the laminated busbar to connect devices, and has the advantages of quick installation, simple and clear structure and low processing cost. The laminated busbar and the triggering power supply board are all of standard generalized design, and are small in size and high in interchangeability. 2. The connecting device has good reliability and high safety. The laminated busbar is directly arranged on the switch IGBT and the energy storage capacitor wiring terminal, so that the use of a stud for switching is avoided, and the reliability and the safety of the solid-state switch assembly are improved. And the laminated busbar has low impedance, small loop inductance and quick heat dissipation and conduction, and can better improve the reliability of the switch module. 3. The triggering power supply board and the unit triggering board are connected by adopting connectors, so that the structure is simple, and the installation and the maintenance are easy. The solid-state modulator switch module connecting device has a simple structure, can effectively solve the problems of complex assembly, high manufacturing cost, poor reliability, low safety of the solid-state switch connecting structure in the prior art, and has the advantages of simple structure, low manufacturing cost, high universal standard, high reliability and the like, and meets the requirements.

The laminated busbar 5 comprises a copper plate I10, a copper plate II 11, a PET film I12, a PET film II 13, a PET film III 14 and a PET film IV 15. The laminated busbar 5 also comprises a red copper column I16, a red copper column II 17, a red copper stud I18 and a red copper stud II 19. The laminated busbar 5 is sequentially provided with a PET film I12, a red copper plate II 11, a PET film II 13, a PET film III 14, a red copper plate I10 and a PET film IV 15 from top to bottom. The PET film I12, the copper plate II 11, the PET film II 13, the PET film III 14, the copper plate I10 and the PET film IV 15 are arranged to be an integral structure pressed by a pressing machine. In the above structure, the structure of the laminated busbar 5 is specifically set, and the laminated busbar 5 has an insulation withstand voltage. The laminated busbar 5 has the advantages of simple structure, small volume, low manufacturing cost and high standardization. The switch module connecting device adopts the laminated busbar to connect devices, and has the advantages of quick installation, simple and clear structure and low processing cost. The laminated busbar and the triggering power supply board are all of standard generalized design, and are small in size and high in interchangeability.

The red copper column I16 is pressed on the red copper plate I10, and the red copper column I16 is connected with the positive terminal of the energy storage capacitor 2, the C terminal of the switch IGBT1 and the charging fast recovery diode 3. The red copper column II 17 is pressed and connected to the red copper plate II 11, and the red copper column II 17 is connected with the negative wiring end of the energy storage capacitor, the E terminal of the switch IGBT1 and the discharge fast recovery diode 4. The red copper stud I18 is welded on the red copper plate I10, and the red copper stud II 19 is welded on the red copper plate II 11. The height of the red copper stud I18 is consistent with that of the red copper stud II 19. The unit trigger plate 7 is mounted on the pin of the switch IGBT1 by a copper stud i 6.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the utility model is not limited by the foregoing, but rather is within the scope of the utility model as long as various modifications are made by the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without modification.

Claims

1. A solid state modulator switch module connecting device, characterized by: including switch IGBT (1), energy storage capacitor (2), quick recovery diode (3) charges, quick recovery diode (4) connect on female row (5) of stromatolite, trigger power supply board (8) install on the red copper double-screw bolt II (19) of female row (5) of stromatolite, unit trigger board (7) are installed on switch IGBT (1) through copper double-screw bolt I (6) to with the red copper double-screw bolt I (18) of female row (5) of stromatolite are fixed, trigger power supply board (8) and unit trigger board (7) grafting connection.

2. The solid state modulator switch module connecting device of claim 1, wherein: the laminated busbar (5) comprises a copper plate I (10), a copper plate II (11), a PET film I (12), a PET film II (13), a PET film III (14) and a PET film IV (15).

3. The solid state modulator switch module connecting device of claim 2, wherein: the laminated busbar (5) further comprises a red copper column I (16), a red copper column II (17), a red copper stud I (18) and a red copper stud II (19).

4. The solid state modulator switch module connecting device of claim 2, wherein: the laminated busbar (5) sequentially comprises a PET film I (12), a copper plate II (11), a PET film II (13), a PET film III (14), a copper plate I (10) and a PET film IV (15) from top to bottom.

5. The solid state modulator switch module connecting device of claim 4, wherein: PET film I (12), copper plate II (11), PET film II (13), PET film III (14), copper plate I (10), PET film IV (15) set up to become integral type structure through the pressfitting machine pressfitting.

6. A solid state modulator switch module connecting means as claimed in claim 3 wherein: the red copper column I (16) is pressed on the red copper plate I (10), and the red copper column I (16) is connected with the positive terminal of the energy storage capacitor (2), the C terminal of the switch IGBT (1) and the charge fast recovery diode (3) at the same time.

7. A solid state modulator switch module connecting means as claimed in claim 3 wherein: the red copper column II (17) is pressed on the red copper plate II (11), and the red copper column II (17) is connected with the negative wiring end of the energy storage capacitor (2), the E terminal of the switch IGBT (1) and the discharge fast recovery diode (4) at the same time.

8. A solid state modulator switch module connecting means as claimed in claim 3 wherein: the red copper stud I (18) is welded on the red copper plate I (10), and the red copper stud II (19) is welded on the red copper plate II (11).

9. A solid state modulator switch module connecting means as claimed in claim 3 wherein: the height of the red copper stud I (18) is consistent with that of the red copper stud II (19).

10. The solid state modulator switch module connecting device of claim 1, wherein: the unit trigger plate (7) is arranged on a pin of the switch IGBT (1) through a copper stud I (6).