A pulse discharge device
By employing a rectangular array arrangement of transformer modules and a compact load component design in the pulse discharge device, the problems of unreasonable structure and large space occupation of existing devices are solved, achieving miniaturization and high insulation strength.
Patent Information
- Application Number
- CN202211528143.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-30
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2042-11-30
AI Technical Summary
Existing pulse discharge devices evolved from large linear transformers, resulting in an unreasonable structural layout and a large space occupation.
The transformer modules are arranged in a rectangular array in a plane, combined with a compact load component design, to achieve a compact arrangement of each transformer module, reduce the overall size and floor space of the device, and improve insulation strength.
Efficient current loop formation is achieved in a smaller space, reducing the overall size and weight of the device while improving insulation strength and space utilization.
Smart Images
Figure CN115910724B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of pulse discharge, in particular to a pulse discharge device. BACKGROUND
[0002] The linear transformer driver (FLTD) technology is a new type of pulse power technology which has developed rapidly in recent years. Because the induction cavity of the linear transformer has a modular structure, it is easy to obtain high voltage by multi-stage series connection and to obtain large current by multi-path parallel connection, so it has a wide range of applications in today's society. Most of the existing small pulse discharge mechanisms are evolved from large linear transformers used to drive Z-pinch, and their structure arrangement is unreasonable and occupies a large space. SUMMARY
[0003] The purpose of the present application is to provide a pulse discharge device to overcome the problem that the existing pulse discharge device is evolved from a large linear transformer, and its structure arrangement is unreasonable and occupies a large space.
[0004] To solve the above technical problems, the present application provides a pulse discharge device, which comprises a driving source, a load assembly and a box body, the box body is provided with a containing space, the driving source and the load assembly are arranged in the containing space, and the driving source is connected with the load assembly by wiring.
[0005] The driving source comprises a plurality of parallel transformer modules, each of which comprises two series capacitors; and the plurality of transformer modules are arranged in a rectangular array in a plane.
[0006] In one embodiment, two transformer modules are arranged along a first direction to form an arrangement unit, and a plurality of arrangement units are arranged along a second direction, wherein the first direction is perpendicular to the second direction.
[0007] In one embodiment, the transformer module is provided with four positive electrodes which are arranged close to each other.
[0008] In one embodiment, the electrodes of each transformer module are arranged in the same plane.
[0009] In one embodiment, the load assembly comprises a shell, an anode structure and a cathode structure, the shell is provided with a vacuum cavity, the anode structure and the cathode structure are arranged in the vacuum cavity, the anode structure is electrically connected with the anode of the driving source, and the cathode structure is electrically connected with the cathode of the driving source.
[0010] In one embodiment, the anode structure and the cathode structure are both disc-shaped, and the anode structure and the cathode structure are coaxially arranged.
[0011] In one embodiment, the cathode structure includes a first side and a second side disposed opposite to each other. The first side is provided with a first protrusion, and the second side is provided with a groove corresponding to the first protrusion. The center of the first protrusion is provided with a connecting hole communicating with the groove.
[0012] The anode structure has a second protrusion on the side near the cathode structure. The shape of the second protrusion is adapted to the shape of the groove. The anode structure also includes an anode rod disposed at the center of the second protrusion, and the anode rod passes through the connecting hole.
[0013] In one embodiment, the load assembly further includes an insulating structure disposed between the anode structure and the cathode structure.
[0014] In one embodiment, the insulating structure has an inclined surface that forms an angle with both the anode mechanism and the cathode structure.
[0015] In one embodiment, the angle between the inclined surface and the anode mechanism is 40° to 50°.
[0016] Compared with the prior art, the present invention has the following beneficial technical effects:
[0017] The present invention discloses a pulse discharge device. Since multiple transformer modules are arranged in a rectangular array in a plane, a relatively compact arrangement of each transformer module can be achieved. Without changing the circuit, the overall size of the pulse discharge device is limited to a small space, with a small footprint. After the current passes through the anode of the drive source and the load component, it reaches the cathode in the drive source to form a current loop.
[0018] Preferably, the anodes of each transformer module in the drive source are arranged on the inner side and the cathodes are arranged on the outer side, which achieves better insulation strength in a smaller space.
[0019] Preferably, the inclined surface is set at an angle to both the anode structure and the cathode structure. The inclined surface can increase the surface insulation strength on the one hand, and better fit with the anode structure and the cathode structure on the other hand. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the pulse discharge device in an embodiment of the present invention.
[0021] Figure 2 for Figure 1 Top view of the pulsed discharge device shown.
[0022] Figure 3 for Figure 2 Sectional view of AA.
[0023] Figure 4 For Figure 3 Partial enlarged view of middle B part.
[0024] Figure 5 For Figure 1 Schematic diagram of driving source part of pulse discharge device shown in the figure.
[0025] Figure 6 For Figure 1 Schematic diagram of load assembly part of pulse discharge device shown in the figure.
[0026] Figure 7 For Figure 1 Top view of load assembly part of pulse discharge device shown in the figure.
[0027] Figure 8 For Figure 7 C-C cross-sectional view.
[0028] Figure 9 For Figure 1 Schematic diagram of transformer module of pulse discharge device shown in the figure.
[0029] Figure 10 For Figure 1 Simplified circuit of driving source of pulse discharge device shown in the figure.
[0030] In the figure: 100, driving source; 110, transformer module; 111, first transformer module; 112, second transformer module; 113, third transformer module; 114, fourth transformer module; 111A, capacitor; 11, first capacitor; 12, second capacitor; 200, load assembly; 210, shell; 211, vacuum cavity; 220, anode structure; 221, second protruding part; 222, anode rod; 223, anode busbar; 224, anode base; 225, anode plate; 230, cathode structure; 231, first side; 232, first protruding part; 233, communication hole; 234, second side; 235, groove; 236, cathode terminal post; 237, cathode pressing sheet; 238, cathode backflow plate; 239, cathode plate; 240, insulation structure; 241, inclined surface; 300, box; 310, containing space; S, total switch; C, total capacitor; L, total inductor; R, total resistor. DETAILED DESCRIPTION
[0031] In the following, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the accompanying drawings of the embodiments of the present application, so that those skilled in the art can better understand the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present application.
[0032] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0033] The embodiment of the present application provides a pulse discharge device, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 and Figure 9 The pulse discharge device of an embodiment includes a driving source 100, a load assembly 200, and a box body 300, the box body 300 is provided with a containing space 310, the driving source 100 and the load assembly 200 are both arranged in the containing space 310, and the driving source 100 is connected with the load assembly 200 in wiring.
[0034] In the embodiment, the driving source 100 includes a plurality of transformer modules 110 arranged in parallel, each transformer module 110 includes two series capacitors 111A, and the two capacitors 111A are respectively a first capacitor 11 and a second capacitor 12; the plurality of transformer modules 110 are arranged in a rectangular array in a plane.
[0035] It can be understood that arranging the plurality of transformer modules 110 in a rectangular array in a plane can realize relatively compact arrangement of each transformer module 110, limit the overall size of the pulse discharge device in a smaller space without changing the circuit, and occupy a small area. Specifically, after the current passes through the anode of the driving source 100 and the load assembly 200, it reaches the cathode in the driving source 100, forming a current loop.
[0036] Specifically, the simplified circuit in the driving source 100 thereof, please refer to Figure 10, the main switch S represents all the parallel switches within the transformer module 110, the total capacitance C is the equivalent capacitance of all the capacitors within the transformer module 110, the total inductance L represents the sum of the inductances of the switches, capacitors and connecting wires within the transformer module 110, and the total resistance R is the sum of the internal resistances of the transformer module 110.
[0037] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 5 , two transformer modules 110 are provided along the first direction, and the two transformer modules 110 form an arrangement unit. A plurality of such arrangement units are provided along the second direction. The first direction is perpendicular to the second direction, and the first direction is parallel to any side surface within the box body 300, so as to arrange the transformer modules 110 compactly.
[0038] Furthermore, four transformer modules 110 are provided, and the positive electrodes of the four transformer modules 110 are arranged close to each other. Specifically, the four transformer modules 110 are respectively the first transformer module 111, the second transformer module 112, the third transformer module 113 and the fourth transformer module 114. Optionally, the anodes of the first transformer module 111, the second transformer module 112, the third transformer module 113 and the fourth transformer module 114 are all arranged close to the central position of the four, which is more conducive to the centralized wiring connection of the anodes of the four.
[0039] It can be understood that the four branches can discharge synchronously to generate fast-front high-power pulses. The four transformer modules 110 are arranged in a "field" shape compactly. The anodes of the transformer modules 110 within the drive source 100 are arranged on the inner side and the cathodes are arranged on the outer side, achieving better insulation strength in a smaller space.
[0040] Through the spatial arrangement of the above four transformer modules 110, it breaks the disadvantage of the existing pulse discharge device, which is evolved from a large linear transformer for driving Z-pinch and retains a disk-shaped configuration, occupying a large space. Since in this embodiment, multiple transformer modules 110 are arranged in a rectangular array in the plane, the overall external dimensions of the drive source 100 can be within 500mm×400mm×500mm, and the total mass is less than 150kg.
[0041] Of course, in other embodiments, six, eight or more transformer modules 110 can also be provided, so that the corresponding number of arrangement units along the second direction can be three, four or more. The specific number of transformer modules 110 can be adjusted according to the specific design requirements of the pulse discharge device.
[0042] In one embodiment, please refer to Figures 1 to 8The electrodes of each transformer module 110 are in the same plane, which is conducive to the wiring arrangement of the electrodes.
[0043] In an embodiment, referring to Figures 1 to 8 The load assembly 200 comprises a housing 210, an anode structure 220 and a cathode structure 230, the housing 210 is provided with a vacuum cavity 211, the anode structure 220 and the cathode structure 230 are arranged in the vacuum cavity 211, the anode structure 220 is electrically connected to the anode of the driving source 100, and the cathode structure 230 is electrically connected to the cathode of the driving source 100.
[0044] It can be understood that the current passes through the anode of the driving source 100, is connected to the anode structure 220 of the load assembly 200, sequentially passes through the anode structure 220 and the cathode structure 230, and reaches the cathode in the driving source 100, thereby forming a current loop.
[0045] Preferably, the anode structure 220 and the cathode structure 230 are both disc-shaped, and the anode structure 220 and the cathode structure 230 are coaxially arranged to reduce the inductance in the load assembly 200.
[0046] Preferably, the cathode structure 230 comprises a first side 231 and a second side 234 arranged oppositely, the first side 231 is provided with a first protruding part 232, the second side 234 is provided with a groove 235 corresponding to the first protruding part 232, and the first protruding part 232 is provided with a communication hole 233 communicating with the groove 235.
[0047] The anode structure 220 is provided with a second protruding part 221 close to the cathode structure 230, the shape of the second protruding part 221 is matched with the shape of the groove 235, the anode structure 220 further comprises an anode rod 222 arranged at the center of the second protruding part 221, and the anode rod 222 penetrates through the communication hole 233. Optionally, the anode rod 222 can be a short-circuit wire hoop pinch diode for generating an X-ray point source.
[0048] Through the above arrangement, the first protruding part 232 and the groove 235 form a hollow protruding structure on the cathode structure 230, the second protruding part 221 forms an embedded structure on the anode structure 220, and the non-contact embedded hollow part of the cathode structure 230 reduces the electric field intensity of the three combination points of the vacuum part, the insulation part and the electrode part in the load assembly 200.
[0049] Specifically, the anode structure 220 comprises an anode busbar 223, an anode base 224, an anode plate 225, a second protruding part 221 and an anode rod 222. The anode busbar 223 is arranged on the driving source 100 and is in conductive connection with the anode of the driving source 100. The anode base 224 is arranged on the anode busbar 223. The upper part of the anode base 224 comprises a first cavity. The anode plate 225 is arranged on the anode base 224. The lower part of the anode plate 225 comprises a second cavity which is matched with the first cavity. The first cavity and the second cavity are in communication. The second protruding part 221 is arranged on the anode plate 225. The anode rod 222 is arranged on the second protruding part 221. The current flows from the anode of the driving source 100, sequentially through the anode busbar 223, the anode base 224, the anode plate 225, the second protruding part 221 and the anode rod 222. The arrangement of the first cavity and the second cavity in the anode structure 220 not only saves material cost, but also facilitates the installation of related components.
[0050] Further, the cathode structure 230 comprises a cathode terminal 236, a cathode pressing plate 237, a cathode return plate 238 and a cathode plate 239. The cathode terminal 236 is arranged on the driving source 100 and is in conductive connection with the cathode of the driving source 100. The cathode pressing plate 237 is annular and is in conductive connection with the cathode terminal 236. The cathode return plate 238 is arranged on the cathode pressing plate 237. The cathode return plate 238 is in conductive connection with the anode structure 220 through the cathode plate 239.
[0051] In an embodiment, referring to Figures 1 to 8 The load assembly 200 further comprises an insulation structure 240 which is arranged between the anode structure 220 and the cathode structure 230. The insulation structure 240 is used to insulate the electrical contact between the anode structure 220 and the cathode structure 230, so as to ensure the stable and reliable operation of the pulse discharge device.
[0052] In an embodiment, referring to Figures 1 to 8 The insulation structure 240 has an inclined surface 241 which is arranged at an angle with the anode structure 220 and the cathode structure 230. The inclined surface 241 can increase the surface insulation strength and better fit the anode structure 220 and the cathode structure 230.
[0053] In an embodiment, referring to Figures 1 to 8 The angle between the inclined surface 241 and the anode structure 220 is 40°-50°. The angle of the inclined surface 241 can be 40°, 45° or 50°, so as to obtain various parameters. The vacuum surface length can be 15mm-25mm. Preferably, the vacuum surface length can be 15mm, 21mm or 25mm.
[0054] The pulse discharge device of any of the above embodiments can be used in a flash photography system, and in particular, can be used in a low-energy hard X-ray flash photography system, which can increase the space utilization of the flash photography system, reduce the size of the flash photography system, and facilitate portability.
[0055] The above disclosure is merely preferred embodiments of the present application and is not intended to limit the scope of the present application. Any equivalent changes made according to the claims of the present application are still within the scope of the present application.
Claims
1. A pulse discharge device, characterized by, The pulse discharge device comprises a driving source (100), a load assembly (200) and a box (300), the box (300) is internally provided with a containing space, the driving source (100) and the load assembly (200) are both arranged in the containing space, and the driving source (100) is in wiring connection with the load assembly (200); The driving source (100) comprises a plurality of transformer modules (110) arranged in parallel, each transformer module (110) comprises two series-connected capacitors (111A), a plurality of transformer modules (110) are arranged in a rectangular array in a plane, the load assembly (200) comprises a shell (210), an anode structure (220) and a cathode structure (230), the shell is internally provided with a vacuum cavity, the anode structure (220) and the cathode structure (230) are both arranged in the vacuum cavity, the anode structure (220) is electrically connected with the anode of the driving source (100), the cathode structure (230) is electrically connected with the cathode of the driving source (100), the anode structure (220) and the cathode structure (230) are both disc-shaped, and the anode structure (220) and the cathode structure (230) are coaxially arranged, the cathode structure (230) comprises oppositely arranged first and second sides (231) and (234), the first side (231) is provided with a first protruding portion, the second side (234) is provided with a groove (235) corresponding to the first protruding portion (232), and the first protruding portion (232) is provided with a communication hole (233) communicating with the groove (235) at the center thereof; The anode structure (220) is provided with a second protruding portion (221) on the side close to the cathode structure (230), the shape of the second protruding portion (221) is matched with the shape of the groove (235), and the anode structure (220) further comprises an anode rod (222) arranged at the center of the second protruding portion (221), and the anode rod (222) penetrates through the communication hole (233).
2. The pulse discharge device of claim 1, wherein Two of the plurality of transformer modules (110) are arranged along a first direction, and two transformer modules (110) form an arrangement unit, a plurality of arrangement units are arranged along a second direction, and the first direction is perpendicular to the second direction.
3. The pulse discharge device of claim 2, wherein, The transformer module (110) is provided with four positive electrodes, and the four positive electrodes of the transformer module (110) are arranged close to each other.
4. The pulse discharge device of claim 1, wherein, The electrodes of each transformer module (110) are arranged in the same plane.
5. The pulse discharge device of claim 1, wherein, The load assembly (200) further comprises an insulating structure (240), and the insulating structure (240) is arranged between the anode structure (220) and the cathode structure (230).
6. The pulse discharge device of claim 5, wherein, The insulating structure (240) has an inclined surface (241), and the inclined surface (241) is arranged at an angle with the anode structure (220) and the cathode structure (230).
7. The pulse discharge device of claim 6, wherein, The angle between the inclined surface (241) and the anode structure (220) is 40°-50°.