CN210380691U - Control assembly of pulse modulator - Google Patents
Control assembly of pulse modulator Download PDFInfo
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- CN210380691U CN210380691U CN201921426988.2U CN201921426988U CN210380691U CN 210380691 U CN210380691 U CN 210380691U CN 201921426988 U CN201921426988 U CN 201921426988U CN 210380691 U CN210380691 U CN 210380691U
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Abstract
The utility model relates to a pulse modulator technical field especially relates to a pulse modulator's control assembly, on-off control unit and transformer, on-off control unit includes: the solid-state switches are divided into two groups, each group of solid-state switches comprises a plurality of controllable switches arranged in parallel, and the two groups of solid-state switches are correspondingly arranged on two side surfaces of the first cooling substrate; one group of solid-state switches is connected to the transformer through laminated copper bars, and the other group of solid-state switches is connected to the transformer through laminated copper bars and diodes; the energy storage capacitor bank is arranged on the side face of the first cooling substrate, is connected to the solid-state switch through the laminated copper bar, is connected with the switch control part assembly and the transformer through the laminated copper bar, is simple in connection and compact in structure, and enables the connection distance between the transformer and the switch control part to be shortened, so that distributed inductance of the pulse modulator is reduced, and the ground working performance of the pulse modulator is improved.
Description
Technical Field
The utility model relates to a pulse modulator technical field especially relates to a pulse modulator's control assembly.
Background
The pulse modulator is widely applied to the fields of medical treatment, irradiation, electron accelerators, laser power supplies, safety inspection and the like. The basic principle is that the on-off state of a switching device is used for controlling a pulse signal, so that the performance of a control part of the switching device directly influences the characteristics of the pulse width, the power, the transient state and the like of an output signal of a pulse modulator. The traditional pulse modulator is single in structure, the control part of the switching device is complicated in wiring with a transformer, and the connection distance is long, so that the distributed inductance of the pulse modulator is overlarge, and the working performance of the pulse modulator is seriously influenced. With the improvement of the requirement of the user on the technical effect of the equipment, the traditional pulse modulator cannot meet the use requirement of the user, so that the pulse modulator with high power, small distributed inductance and compact structure is required to be provided.
SUMMERY OF THE UTILITY MODEL
At least one of the objectives of the present invention is to provide a compact pulse modulator control assembly for overcoming the above problems of the prior art.
In order to achieve the above object, the present invention adopts a technical solution including the following aspects.
A control assembly for a pulse modulator, comprising: switch control unit and transformer, switch control unit includes: the solid-state switches are divided into two groups, each group of solid-state switches comprises a plurality of controllable switches arranged in parallel, and the two groups of solid-state switches are correspondingly arranged on two side surfaces of the first cooling substrate; one group of solid-state switches is connected to the transformer through laminated copper bars, and the other group of solid-state switches is connected to the transformer through laminated copper bars and diodes; the energy storage capacitor group is arranged on the side face of the first cooling substrate and is connected to the solid-state switch through the laminated copper bar.
Preferably, the two groups of solid-state switches are a first solid-state switch and a second solid-state switch, wherein one end of the first solid-state switch is connected to one end of the transformer through the laminated copper bar, one end of the second solid-state switch is connected to one end of the diode through the laminated copper bar, and the other end of the diode is connected to the other end of the transformer through the laminated copper bar.
Preferably, the diode is arranged between the solid-state switch and the transformer, the diode is mounted on the outer side surface of the second cooling substrate, and the inner side surface of the second cooling substrate is closely mounted on the outer side surface of the transformer.
Preferably, the wide side of the first cooling substrate is laterally disposed.
Preferably, the wide face of the first cooling substrate is vertically placed, the second cooling substrate is installed on the lower side face of the first cooling substrate, and the diode is installed on one side face of the second cooling substrate.
Preferably, the laminated copper bar comprises a first laminated copper bar, a second laminated copper bar and a third laminated copper bar; one end of the first solid-state switch is connected to one end of the transformer through a third laminated copper bar, one end of the second solid-state switch is connected to one end of the diode through the laminated copper bar, and the other end of the diode is connected to the other end of the transformer through the laminated copper bar.
Preferably, the energy storage capacitor group comprises a first energy storage capacitor group and a second energy storage capacitor group which are arranged oppositely, the first energy storage capacitor group is arranged on one side close to the first laminated copper bar, and the second energy storage capacitor group is arranged on one side close to the second laminated copper bar.
Preferably, two ends of the first energy storage capacitor bank are respectively connected to one ends of the first solid-state switch and the second solid-state switch through the first laminated copper bar and the third laminated copper bar; and two ends of the second energy storage capacitor bank are connected to the other end of the second solid-state switch and one end of the diode through a second laminated copper bar and a third laminated copper bar respectively, and one end of the diode is connected to one end of the transformer through the third laminated copper bar.
Preferably, the solid-state switch further comprises a first absorption circuit and a second absorption circuit which are arranged at two ends of the solid-state switch in parallel, and the first absorption circuit and the second absorption circuit are respectively arranged at two sides of the first cooling substrate.
Preferably, the cooling device further comprises a third absorption circuit arranged at two ends of the transformer in parallel, and the third absorption circuit is arranged on the side surface of the second cooling substrate.
In conclusion, owing to adopted above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:
the laminated copper bar is adopted to be connected with the switch control part assembly and the transformer nearby, the connection is simple, the structure is compact, and the connection distance between the transformer and the switch control unit is shortened, so that the distributed inductance of the pulse modulator is reduced, and the ground working performance of the pulse modulator is improved.
Drawings
Fig. 1 is a schematic structural diagram of a control assembly of a pulse modulator according to the present invention;
fig. 2 is a schematic structural diagram of a front view direction of a control assembly of a pulse modulator according to the present invention;
fig. 3 is a schematic structural diagram of a control assembly of a pulse modulator according to another structure of the present invention;
fig. 4 is a schematic view of the front view of fig. 3 in accordance with the present invention;
fig. 5 is a schematic structural diagram of an electrical schematic diagram of the control assembly of the present invention;
fig. 6 is a schematic structural view of the laminated copper bar connection in fig. 1.
Reference numerals
1-a first solid-state switch, 2-a second solid-state switch, 3-a first energy storage capacitor bank, 4-a second energy storage capacitor bank, 5-a first cooling substrate, 6-a second cooling substrate, 7-a first absorption circuit, 8-a second absorption circuit, 9-a third absorption circuit, 10-a diode, 11-a first laminated copper bar, 12-a second laminated copper bar, 13-a third laminated copper bar and 14-a transformer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments, so that the objects, technical solutions and advantages of the present invention will be more clearly understood. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1, fig. 2, fig. 5, and fig. 6, the control assembly of a pulse modulator in this embodiment includes a first solid-state switch 1, a second solid-state switch 2, a first energy storage capacitor bank 3, a second energy storage capacitor bank 4, a first cooling substrate 5, a second cooling substrate 6, a first absorption circuit 7, a second absorption circuit 8, a third absorption circuit 9, a diode 10, a first laminated copper bar 11, a second laminated copper bar 12, a third laminated copper bar 13, a transformer 14 switching control unit, and a transformer 14, where the switching control unit includes: the solid-state switches are two groups, each group of solid-state switches comprises a plurality of controllable switches arranged in parallel, and the two groups of solid-state switches are correspondingly arranged on two side surfaces of the first cooling substrate 5; one group of solid-state switches is connected to the transformer 14 through laminated copper bars, and the other group of solid-state switches is connected to the transformer 14 through the laminated copper bars through the diode 10; the energy storage capacitor group is arranged on the side face of the first cooling substrate 5 and is connected to the solid-state switch through the laminated copper bar.
Further, the two groups of solid-state switches are divided into a first solid-state switch 1 and a second solid-state switch 2, wherein one end of the first solid-state switch 1 is connected to one end of the transformer 14 through laminated copper bars, one end of the second solid-state switch 2 is connected to one end of the diode 10 through laminated copper bars, and the other end of the diode 10 is connected to the other end of the transformer 14 through laminated copper bars.
Further, the diode 10 is disposed between the solid-state switch and the transformer 14, the diode 10 is mounted on an outer side surface of the second cooling substrate 6, and an inner side surface of the second cooling substrate 6 is closely mounted on an outer side surface of the transformer 14.
Further, the wide surface of the first cooling substrate 5 is placed laterally.
Further, the wide surface of the first cooling substrate 5 is vertically arranged, the second cooling substrate 6 is arranged on the lower side surface of the first cooling substrate 5, and the diode 10 is arranged on one side surface of the second cooling substrate 6.
Further, the laminated copper bar comprises a first laminated copper bar 11, a second laminated copper bar 12 and a third laminated copper bar 13; one end of the first solid-state switch 1 is connected to one end of a transformer 14 through a third laminated copper bar 13, one end of the second solid-state switch 2 is connected to one end of a diode 10 through a laminated copper bar, and the other end of the diode 10 is connected to the other end of the transformer 14 through a laminated copper bar.
Further, the energy storage capacitor bank comprises a first energy storage capacitor bank 3 and a second energy storage capacitor bank 4 which are oppositely arranged, the first energy storage capacitor bank 3 is arranged on one side close to the first laminated copper bar 11, and the second energy storage capacitor bank 4 is arranged on one side close to the second laminated copper bar 12.
Furthermore, two ends of the first energy storage capacitor group 3 are respectively connected to one ends of the first solid-state switch 1 and the second solid-state switch 2 through a first laminated copper bar 11 and a third laminated copper bar 13; the two ends of the second energy storage capacitor bank 4 are respectively connected to the other end of the second solid-state switch 2 and one end of the diode 10 through a second laminated copper bar 12 and a third laminated copper bar 13, and one end of the diode 10 is connected to one end of the transformer 10 through the third laminated copper bar 13.
Further, the solid-state switch further comprises a first absorption circuit 7 and a second absorption circuit 8 which are arranged at two ends of the solid-state switch in parallel, wherein the first absorption circuit 7 and the second absorption circuit 8 are respectively arranged at two sides of the first cooling substrate 5.
Further, the cooling device further comprises a third absorption circuit 8 which is arranged at two ends of the transformer 10 in parallel, wherein the third absorption circuit 8 is arranged on the side surface of the second cooling substrate 6.
In conclusion, owing to adopted above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:
the laminated copper bar is adopted to be connected with the switch control part assembly and the transformer 14 nearby, the connection is simple, the structure is compact, and the connection distance between the transformer 14 and the switch control unit is shortened, so that the distributed inductance of the pulse modulator is reduced, and the ground working performance of the pulse modulator is improved.
Example 2
The difference between the present embodiment and embodiment 1 as shown in fig. 3 and fig. 4 is that in the present embodiment, the laminated copper bar group includes a third laminated copper bar 13 arranged horizontally, and a first laminated copper bar 11 and a second laminated copper bar 12 arranged vertically, the first solid-state switch 1 is arranged on the left side of the first cooling substrate 5, the second solid-state switch 2 is arranged on the right side of the first cooling substrate 5, and the first absorption circuit 7 is arranged on the left side of the first cooling substrate (5); the second absorption circuit 8 is arranged on the right side of the first cooling substrate 5, the first energy storage capacitor group 3 is arranged on the left side of the first laminated copper bar 11, and the second energy storage capacitor group 4 is arranged on the right side of the second laminated copper bar 12.
The above description is only for the purpose of illustrating the embodiments of the present invention, and not for the purpose of limiting the same. Various substitutions, modifications and improvements may be made by those skilled in the relevant art without departing from the spirit and scope of the invention.
Claims (10)
1. A control assembly for a pulse modulator, comprising: a switch control unit and a transformer (14), the switch control unit comprising: solid-state switch, energy storage capacitor group and diode (10), its characterized in that: the solid-state switches are arranged in two groups, each group of solid-state switches comprises a plurality of controllable switches which are arranged in parallel, and the two groups of solid-state switches are correspondingly arranged on two side surfaces of the first cooling substrate (5); one group of solid-state switches is connected to the transformer through laminated copper bars, and the other group of solid-state switches is connected to the transformer through laminated copper bars and diodes; the energy storage capacitor group is arranged on the side face of the first cooling substrate (5) and is connected to the solid-state switch through laminated copper bars.
2. The control assembly of a pulse modulator according to claim 1, wherein the two groups of solid-state switches are a first solid-state switch (1) and a second solid-state switch (2), wherein one end of the first solid-state switch (1) is connected to one end of the transformer (14) through a laminated copper bar, one end of the second solid-state switch (2) is connected to one end of the diode (10) through a laminated copper bar, and the other end of the diode (10) is connected to the other end of the transformer (14) through a laminated copper bar.
3. A control module of a pulse modulator according to claim 2, characterized in that the diode (10) is arranged between the solid state switch and the transformer (14), the diode (10) is mounted on the outer side of the second cooling substrate (6), and the inner side of the second cooling substrate (6) is mounted on the outer side of the transformer (14) in a manner of being abutted against the inner side.
4. A control unit of a pulse modulator according to claim 3, characterized in that the broad face of the first cooling substrate (5) is placed laterally.
5. A control unit of a pulse modulator according to claim 3, characterized in that said first cooling substrate (5) is placed with its wide side vertical, said second cooling substrate (6) is mounted on the lower side of the first cooling substrate (5), and said diode (10) is mounted on one side of the second cooling substrate (6).
6. A control module of a pulse modulator according to claim 2, characterized in that: the laminated copper bar comprises a first laminated copper bar (11), a second laminated copper bar (12) and a third laminated copper bar (13); one end of the first solid-state switch (1) is connected to one end of the transformer (14) through a third laminated copper bar (13), one end of the second solid-state switch (2) is connected to one end of the diode (10) through the laminated copper bar, and the other end of the diode (10) is connected to the other end of the transformer (14) through the laminated copper bar.
7. The control assembly of a pulse modulator according to claim 6, wherein said energy storage capacitor set comprises a first energy storage capacitor set (3) and a second energy storage capacitor set (4) which are oppositely disposed, said first energy storage capacitor set (3) is disposed near a first laminated copper bar (11), and said second energy storage capacitor set (4) is disposed near a second laminated copper bar (12).
8. The control component of a pulse modulator according to claim 7, wherein two ends of the first energy storage capacitor bank (3) are respectively connected to one end of the first solid-state switch (1) and one end of the second solid-state switch (2) through the first laminated copper bar (11) and the third laminated copper bar (13); the two ends of the second energy storage capacitor bank (4) are connected to the other end of the second solid-state switch (2) and one end of the diode (10) through a second laminated copper bar (12) and a third laminated copper bar (13) respectively, and one end of the diode (10) is connected to one end of the transformer through the third laminated copper bar (13).
9. The control component of the pulse modulator of claim 2, wherein: the solid-state switch further comprises a first absorption circuit (7) and a second absorption circuit (8) which are arranged at two ends of the solid-state switch in parallel, wherein the first absorption circuit (7) and the second absorption circuit (8) are respectively arranged at two sides of the first cooling substrate (5).
10. A control assembly of a pulse modulator according to claim 3, characterized in that it further comprises a third absorption circuit (9) arranged in parallel across the transformer, said third absorption circuit (9) being arranged laterally to said second cooling substrate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921426988.2U CN210380691U (en) | 2019-08-30 | 2019-08-30 | Control assembly of pulse modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921426988.2U CN210380691U (en) | 2019-08-30 | 2019-08-30 | Control assembly of pulse modulator |
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| Publication Number | Publication Date |
|---|---|
| CN210380691U true CN210380691U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921426988.2U Active CN210380691U (en) | 2019-08-30 | 2019-08-30 | Control assembly of pulse modulator |
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| CN (1) | CN210380691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697846A (en) * | 2020-06-10 | 2020-09-22 | 中国第一汽车股份有限公司 | Motor controller and vehicle |
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2019
- 2019-08-30 CN CN201921426988.2U patent/CN210380691U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697846A (en) * | 2020-06-10 | 2020-09-22 | 中国第一汽车股份有限公司 | Motor controller and vehicle |
| CN111697846B (en) * | 2020-06-10 | 2021-08-24 | 中国第一汽车股份有限公司 | Motor controller and vehicle |
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