A high power pulse microwave power source device

Abstract

The present invention provides a high-power pulse microwave power source device, which relates to the field of high-power microwave pulse technology. The high-power pulse microwave power source device includes a cabinet, a first working room is arranged on one side of the cabinet, a power supply device, a high-voltage silicon stack, a transistor, a filter capacitor and a transformer are arranged from top to bottom in the second working room, and a first connecting terminal and a second connecting terminal distributed in a spiral are arranged on the inner side of each of the charging and discharging components, and the spiral conductor frame is rotated upward to be able to pass through the first connecting terminal and the second connecting terminal of each of the charging and discharging components in sequence, and the outer side of the spiral conductor frame is inlaid with a first copper conductor bar, and the first copper conductor bar is used to connect adjacent charging and discharging components. By setting a spirally distributed charging and discharging component and combining the rotating and ascending spiral conductor frame, the first copper conductor bar connects the adjacent charging and discharging components in series with each other, so that the pulse signal output by the power source device is not single.

Description

Technical Field

[0001] The invention relates to the technical field of high-power microwave pulses, in particular to a high-power pulse microwave power source device. Background Art

[0002] Pulse power technology refers to an energy compression technology that stores low-power (voltage, current) energy in an electric field or magnetic field, compresses it on a time scale through pulse forming lines and switching technology, and increases the voltage and current to obtain extremely short pulses of high-peak power electromagnetic energy and release it to the load. High-power pulse microwave power source equipment is a comprehensive equipment that combines pulse power technology with multiple power structures. High-power microwave pulse power source equipment for industrial irradiation accelerators is one of its applications.

[0003] After the high-power pulse power source equipment used in existing industrial irradiation accelerator equipment is installed, if the pulse signal output power needs to be adjusted, new equipment components or equipment need to be installed and combined, and the potential for expansion and upgrading is low. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a high-power pulse microwave power source device, which solves the problem that the output power adjustment and conversion potential of the prior art equipment is relatively low after installation.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A high-power pulse microwave power source device, including a cabinet, a first working room is arranged on one side of the cabinet, and a second working room is arranged on the other side of the cabinet, a power supply device, a high-voltage silicon stack, a transistor, a filter capacitor and a transformer are arranged in the second working room from top to bottom, a mounting cylinder is arranged in the lower part of the first working room, a spiral mounting frame is arranged in the upper part of the first working room, the spiral mounting frame is a spiral structure from top to bottom, charging and discharging components are evenly distributed on the inner side of the spiral mounting frame, and each of the charging and discharging components is provided with a first connecting terminal and a second connecting terminal distributed in a spiral on the inner side, the mounting cylinder is arranged directly below the spiral mounting frame, and a spiral track distributed from top to bottom is arranged on the inner wall of the mounting cylinder, a roller is arranged in the track, and the roller is installed on the outer side of the bottom plate, and a spiral conductor frame is fixedly connected to the top of the bottom plate, and the spiral conductor frame can rotate upward to pass through the first connecting terminal and the second connecting terminal of each of the charging and discharging components in sequence, and the outer side of the spiral conductor frame is inlaid with a first copper conductor bar, and the first copper conductor bar is used to connect adjacent charging and discharging components.

[0006] Preferably, the power supply device is electrically connected to the transformer and the transistor respectively, the filter capacitor is electrically connected to the transistor and the transformer respectively, the high-voltage silicon stack is electrically connected to the transformer and the charging and discharging component respectively, and the charging and discharging component is electrically connected to the discharge thyristor.

[0007] Preferably, the first connection terminal is an input terminal of the charge and discharge assembly, and the second connection terminal is an output terminal of the charge and discharge assembly.

[0008] Preferably, each of the charging and discharging components includes an inductor and a capacitor, and the inductor and the capacitor are connected in parallel.

[0009] Preferably, the bottom end of the base plate is axially rotatably connected to an electric push rod, and the electric push rod is fixedly connected to the inner bottom wall of the mounting tube.

[0010] Preferably, a sliding cavity is provided in the spiral conductor frame and on one side of the end of the first copper conductor bar, a top block is slidably provided on the side of the sliding cavity close to the first copper conductor bar, a sliding block is provided on one side of the sliding cavity and the first copper conductor bar, the corresponding sliding block in each sliding cavity is fixedly connected to the top block, a connecting airway runs through the spiral conductor frame, the connecting airways are connected to the sliding cavity, an air pump is provided at the bottom of the base plate, and the air pump is connected to the connecting airway through a pipeline.

[0011] Preferably, the first copper conductor bar at the bottom end of the spiral conductor frame is electrically connected to the output end of the high-voltage silicon stack via a connecting wire, and the first copper conductor bar at the top end of the spiral conductor frame is electrically connected to the discharge thyristor.

[0012] Preferably, a connecting cavity is provided in the spiral conductor frame between the two first copper conductors, a second copper conductor is slidably provided in the connecting cavity, two ends of the second copper conductor are provided on one side of the first copper conductor, two triangular blocks are fixedly connected to the side of the second copper conductor close to the first copper conductor, a spring sheet is provided on the side of the second copper conductor away from the block, the distance between the two triangular blocks is greater than or equal to the distance between the first connecting terminal and the second connecting terminal, and the distance between the two triangular blocks is less than the distance between the two first copper conductors.

[0013] Working principle: When high-power pulse microwave power source equipment is needed, the power supply device is connected to an external power supply, and the electric energy flows to the transformer through the transistor and the filter capacitor in turn. The transformer flows the electric energy to the charging and discharging assembly through the high-voltage silicon stack for energy storage and rectification. According to actual needs, the electric push rod pushes the bottom plate, and the bottom plate rotates in the spiral track through the roller. At this time, the bottom plate rotates, driving the spiral conductor frame to rotate and rise. The spiral conductor frame passes through the first connecting terminal and the second connecting terminal distributed in the spiral shape in turn. After passing through a certain number of charging and discharging assemblies, both ends of each first copper conductor are passed through each adjacent first connecting terminal and second connecting terminal. At this time, the air pump works, and the air pump inflates the communicating airway, so that the slider pushes the top block, and the top block squeezes the first copper conductor, so that the first copper conductor connects the adjacent charging and discharging assemblies in series, realizing the shaping of the pulse, and at the same time realizing that the pulse power supply can output different powers. High power and low power can be adjusted and realized by one device, so that the equipment can be used flexibly without separate disassembly to meet different working conditions, which is convenient and easy to use.

[0014] The present invention provides a high-power pulse microwave power source device. It has the following beneficial effects:

[0015] The present invention arranges spirally distributed charging and discharging components, combined with a rotating and ascending spiral conductor frame, so that the first copper conductor connects adjacent charging and discharging components in series with each other, and multiple charging and discharging components are connected in series. Each charging and discharging component is provided with a capacitor and an inductor connected in parallel. Such an arrangement can realize the series connection of different numbers of charging and discharging components, and realize that the pulse signal output by the power source device can be flexibly adjusted. The power adjustment of the pulse signal can be achieved by one device, and there is no need to separately expand and disassemble the parts of the power source device. The actual use is flexible, and the power adjustment and pulse waveform adjustment do not require separate disassembly of the components in the cabinet, which is convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a system diagram of the present invention;

[0017] Figure 2 It is a three-dimensional structural diagram of the present invention;

[0018] Figure 3 is a three-dimensional diagram of the spiral mounting frame of the present invention;

[0019] Figure 4 It is a three-dimensional installation diagram of the spiral conductor frame of the present invention;

[0020] Figure 5 is a cross-sectional view of the base plate of the present invention;

[0021] Figure 6 It is a partial cross-sectional view of the spiral conductor frame of the present invention.

[0022] Among them, 1. power supply device; 2. transistor; 3. filter capacitor; 4. transformer; 5. high-voltage silicon stack; 6. inductor; 7. discharge thyristor; 8. capacitor; 9. cabinet; 10. first connecting terminal; 11. second connecting terminal; 12. spiral mounting frame; 13. charging and discharging assembly; 14. spiral conductor frame; 15. track; 16. mounting cylinder; 17. first working room; 18. second working room; 19. bottom plate; 20. roller; 21. electric push rod; 22. air pump; 23. sliding cavity; 24. slider; 25. first copper guide bar; 26. top block; 27. connecting airway; 28. connecting cavity; 29. ​​spring; 30. second copper guide bar; 31. stopper. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example:

[0025] like Figure 1-Figure 6As shown, an embodiment of the present invention provides a high-power pulse microwave power source device, including a cabinet 9, a first working room 17 is arranged on one side of the cabinet 9, a second working room 18 is arranged on the other side of the cabinet 9, and a power supply device 1, a high-voltage silicon stack 5, a transistor 2, a filter capacitor 3 and a transformer 4 are arranged from top to bottom in the second working room 18, the power supply device 1 is connected to an external power supply, and electric energy flows to the transformer 4 through the transistor 2 and the filter capacitor 3 in sequence, and the transformer 4 flows the electric energy to the charging and discharging component 13 through the high-voltage silicon stack 5 for energy storage and rectification, a mounting tube 16 is arranged at the lower part of the first working room 17, a spiral mounting frame 12 is arranged at the upper part of the first working room 17, and the spiral mounting frame 12 is a spiral structure from top to bottom, and charging and discharging components 13 are evenly distributed on the inner side of the spiral mounting frame 12, and each charging and discharging component 13 is provided with a first connecting terminal 10 and a second connecting terminal 11 distributed in a spiral manner on the inner side, and a mounting cylinder 16 is arranged directly below the spiral mounting frame 12, and a spiral track 15 distributed from top to bottom is arranged on the inner wall of the mounting cylinder 16, and a roller 20 is arranged in the track 15, and the roller 20 is installed on the outer side of the bottom plate 19, and a spiral conductor frame 14 is fixedly connected to the top of the bottom plate 19, and the spiral conductor frame 14 is rotated upward to pass through the first connecting terminal 10 and the second connecting terminal 11 of each charging and discharging component 13 in sequence, and the outer side of the spiral conductor frame 14 is The first copper conductor 25 is inlaid, and the first copper conductor 25 is used to connect the adjacent charging and discharging components 13. According to actual needs, the electric push rod 21 pushes the bottom plate 19, and the bottom plate 19 rotates in the spiral track 15 through the roller 20. At this time, the bottom plate 19 rotates, driving the spiral conductor frame 14 to rotate and rise. The spiral conductor frame 14 passes through the first connecting terminal 10 and the second connecting terminal 11 distributed in a spiral shape in sequence. After passing through a certain number of charging and discharging components 13, both ends of each first copper conductor 25 are passed through between each adjacent first connecting terminal 10 and the second connecting terminal 11. At this time, the air pump 22 works, and the air pump 22 inflates the communicating airway 27, so that the slider 2 The top block 26 is pushed, and the top block 26 squeezes the first copper conductor 25, so that the first copper conductor 25 connects the adjacent charge-discharge components 13 in series, thereby realizing pulse shaping and realizing that the pulse power supply can output different powers. A control circuit and a data acquisition circuit are arranged between each component, so that when the actual high-power microwave pulse power source is used, the power supply pulse waveform can be effectively combined and displayed, and at the same time, combined with different numbers of charge-discharge components 13, pulse shaping and adjustment are achieved, and power adjustment is achieved, so that the same set of equipment can have different output powers, and the same set of equipment can flexibly adjust the output power without separate installation and expansion, and the automation efficiency is high.

[0026] The power supply device 1 is electrically connected to the transformer 4 and the transistor 2 respectively, the filter capacitor 3 is electrically connected to the transistor 2 and the transformer 4 respectively, the high-voltage silicon stack 5 is electrically connected to the transformer 4 and the charging and discharging component 13 respectively, the charging and discharging component 13 is electrically connected to the discharge thyristor 7, the transformer 4 is a magnetic energy storage step-up transformer, and the transistor 2 is an IGBT transistor. The combination of each other can realize that the power source equipment can output power energy of different pulses, thereby achieving the purpose of flexible use of the equipment.

[0027] The first connection terminal 10 is the input end of the charge-discharge assembly 13, and the second connection terminal 11 is the output end of the charge-discharge assembly 13. Each charge-discharge assembly 13 includes an inductor 6 and a capacitor 8, and the inductor 6 and the capacitor 8 are connected in parallel. Each capacitor 8 is connected in parallel with the inductor 6, and one terminal is connected to the first connection terminal 10, and the other terminal is connected to the second connection terminal 11. In this way, the charge-discharge assemblies 13 are connected in series, which can achieve the effect of adjusting the pulse waveform. At the same time, different numbers of charge-discharge assemblies 13 can be connected in series according to the actual pulse waveform and the required pulse energy, so as to achieve the power adjustment of the pulse power supply, and the microwave pulse power supply can also have more output power. The inductor 6 and the capacitor 8 are both provided with a pulse trigger control circuit and an anti-peak pulse absorption circuit.

[0028] The bottom end of the bottom plate 19 is axially rotatably connected to an electric push rod 21, which is fixedly connected to the inner bottom wall of the mounting tube 16. The electric push rod 21 pushes the bottom plate 19, and the bottom plate 19 rotates in the track 15 by means of the roller 20, so that the bottom plate 19 rotates and rises, allowing the spiral conductor frame 14 to pass through the corresponding charging and discharging assembly 13.

[0029] A sliding cavity 23 is provided in the spiral conductor frame 14 and on one side of the end of the first copper conductor 25. A top block 26 is slidably provided on the side of the sliding cavity 23 close to the first copper conductor 25. A slider 24 is provided on one side of the sliding cavity 23 and the first copper conductor 25. The corresponding slider 24 in each sliding cavity 23 is fixedly connected to the top block 26. A connecting airway 27 runs through the spiral conductor frame 14, and the connecting airway 27 is connected to the sliding cavity 23. An air pump 22 is provided at the bottom of the bottom plate 19, and the air pump 22 is connected to the connecting airway 27 through a pipeline. The air pump 22 squeezes the first copper conductor 25 away from the communicating vessel, so that the first copper conductor 25 connects the adjacent charge and discharge components 13, so that the charge and discharge components 13 can be connected in series. When the spiral conductor frame 14 spirals upward, it is in a power-off state. The corresponding first copper conductor 25 moves into the charge and discharge component 13 and then connects the high-voltage silicon stack 5 and the discharge thyristor 7. The first copper conductor 25 at the bottom of the spiral conductor frame 14 is electrically connected to the output end of the high-voltage silicon stack 5 through a connecting line, and the first copper conductor 25 at the top of the spiral conductor frame 14 is electrically connected to the discharge thyristor 7. The discharge thyristor 7 can charge and discharge The electric energy in the component 13 is released quickly to form a discharge pulse. The discharge thyristor 7 and the first copper conductor bar 25 at the top of the spiral conductor frame 14 are connected by a switch. When the spiral conductor frame 14 rises, the discharge thyristor 7 and the spiral conductor frame 14 are completely disconnected. After the corresponding number of charge and discharge components 13 are connected according to the actual movement of the first copper conductor bar 25 on the spiral conductor frame 14, the switch is used to connect the discharge thyristor 7 and the first copper conductor bar 25 at the top of the spiral conductor frame 14. The top block 26 and the first copper conductor bar 25 can be connected together, which makes it easier for the top block 26 to drive the first copper conductor bar 25.

[0030] A connecting cavity 28 is provided in the spiral conductor frame 14 between the two first copper conductors 25, and a second copper conductor 30 is slidably provided in the connecting cavity 28. Both ends of the second copper conductor 30 are provided on one side of the first copper conductor 25. Two triangular stoppers 31 are fixedly connected to the side of the second copper conductor 30 close to the first copper conductor 25. A spring 29 is provided on the side of the second copper conductor 30 away from the stopper 31. The distance between the two triangular stoppers 31 is greater than or equal to the distance between the first connection terminal 10 and the second connection terminal 11, and the distance between the two triangular stoppers 31 is less than the distance between the two triangular stoppers 31. The distance between the first copper conductor bar 25, when the lower part of the spiral conductor frame 14 does not penetrate the first connecting terminal 10 and the second connecting terminal 11, the spring piece 29 squeezes the second copper conductor bar 30 to connect the adjacent first copper conductor bars 25 into a conductor, when the spiral conductor frame 14 penetrates the first connecting terminal 10 and the second connecting terminal 11 of a certain charging and discharging component 13, the first connecting terminal 10 and the second connecting terminal 11 squeeze the block 31 respectively, and the block 31 pushes the second copper conductor bar 30 and the first copper conductor bar 25 to disconnect, so as to achieve normal operation, and the spring piece 29 and the block 31 are both insulated.

[0031] Working principle: When a high-power pulse microwave power source device is needed, the power supply device 1 is connected to an external power supply, and the electric energy flows to the transformer 4 through the transistor 2 and the filter capacitor 3 in turn. The transformer 4 transfers the electric energy to the charging and discharging component 13 through the high-voltage silicon stack 5 for energy storage and rectification. According to actual needs, the electric push rod 21 pushes the bottom plate 19, and the bottom plate 19 rotates in the spiral track 15 through the roller 20. At this time, the bottom plate 19 rotates, driving the spiral conductor frame 14 to rotate and rise, and the spiral conductor frame 14 passes through the first connecting terminal 10 and the second connecting terminal 11 distributed in a spiral shape in turn. After passing through a certain number of charging and discharging components 13, both ends of each first copper conductor 25 pass through each adjacent first connecting terminal 10 and second connecting terminal 11. At this time, the air pump 22 works, and the air pump 22 inflates the communicating airway 27, so that the slider 24 pushes the top block 26, and the top block 26 squeezes the first copper conductor 25, so that the first copper conductor 25 connects the adjacent charging and discharging components 13 in series, realizing pulse shaping, and at the same time realizing that the pulse power supply can output different powers, so that the equipment can be flexibly used to meet different working conditions without separate disassembly, which is convenient and easy to use.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-power pulse microwave power source device, comprising a cabinet (9), characterized in that: A first working room (17) is provided on one side of the cabinet (9), and a second working room (18) is provided on the other side of the cabinet (9). A power supply device (1), a high-voltage silicon stack (5), a transistor (2), a filter capacitor (3) and a transformer (4) are provided in the second working room (18) from top to bottom. A mounting cylinder (16) is provided in the lower part of the first working room (17), and a spiral mounting frame (12) is provided in the upper part of the first working room (17). The spiral mounting frame (12) is a spiral structure from top to bottom. Charge and discharge components (13) are evenly distributed on the inner side of the spiral mounting frame (12), and each charge and discharge component (13) is provided on the inner side with first connecting terminals (10) and second connecting terminals (10) distributed in a spiral manner. A connecting terminal (11), wherein the mounting tube (16) is arranged directly below the spiral mounting frame (12), the inner wall of the mounting tube (16) is provided with a spiral track (15) distributed from top to bottom, the track (15) is provided with a roller (20), the roller (20) is installed on the outside of a bottom plate (19), the top of the bottom plate (19) is fixedly connected with a spiral conductor frame (14), the spiral conductor frame (14) is rotated upward and can pass through the first connecting terminal (10) and the second connecting terminal (11) of each charging and discharging assembly (13) in sequence, and the outer side of the spiral conductor frame (14) is inlaid with a first copper conductor bar (25), and the first copper conductor bar (25) is used to connect adjacent charging and discharging assemblies (13).

2. A high-power pulse microwave power source device according to claim 1, characterized in that: The power supply device (1) is electrically connected to the transformer (4) and the transistor (2) respectively, the filter capacitor (3) is electrically connected to the transistor (2) and the transformer (4) respectively, the high-voltage silicon stack (5) is electrically connected to the transformer (4) and the charging and discharging component (13) respectively, and the charging and discharging component (13) is electrically connected to the discharge thyristor (7).

3. A high-power pulse microwave power source device according to claim 1, characterized in that: The first connection terminal (10) is an input terminal of the charge-discharge component (13), and the second connection terminal (11) is an output terminal of the charge-discharge component (13).

4. The high-power pulse microwave power source device according to claim 1, characterized in that: Each of the charging and discharging components (13) comprises an inductor (6) and a capacitor (8), and the inductor (6) and the capacitor (8) are connected in parallel.

5. The high-power pulse microwave power source device according to claim 1, characterized in that: The bottom end of the bottom plate (19) is axially rotatably connected to an electric push rod (21), and the electric push rod (21) is fixedly connected to the inner bottom wall of the mounting cylinder (16).

6. The high-power pulse microwave power source device according to claim 1, characterized in that: A sliding cavity (23) is provided in the spiral conductor frame (14) and on one side of the end of the first copper conductor bar (25); a top block (26) is slidably provided on the side of the sliding cavity (23) close to the first copper conductor bar (25); a sliding block (24) is provided on the side of the sliding cavity (23) away from the first copper conductor bar (25); the corresponding sliding block (24) in each sliding cavity (23) is fixedly connected to the top block (26); a connecting air channel (27) runs through the spiral conductor frame (14); the connecting air channel (27) is connected to the sliding cavity (23); an air pump (22) is provided at the bottom of the bottom plate (19); the air pump (22) is connected to the connecting air channel (27) through a pipeline.

7. A high-power pulse microwave power source device according to claim 6, characterized in that: The first copper conductor (25) at the bottom end of the spiral conductor frame (14) is electrically connected to the output end of the high-voltage silicon stack (5) via a connecting wire, and the first copper conductor (25) at the top end of the spiral conductor frame (14) is electrically connected to the discharge thyristor (7) via a switch.

8. The high-power pulse microwave power source device according to claim 1, characterized in that: A connecting cavity (28) is provided in the spiral conductor frame (14) between the two first copper conductors (25), a second copper conductor (30) is slidably provided in the connecting cavity (28), two ends of the second copper conductor (30) are provided on one side of the first copper conductor (25), a side of the second copper conductor (30) close to the first copper conductor (25) is fixedly connected to two triangular stoppers (31), a side of the second copper conductor (30) away from the stoppers (31) is provided with a spring sheet (29), a distance between the two triangular stoppers (31) is greater than or equal to a distance between the first connection terminal (10) and the second connection terminal (11), and a distance between the two triangular stoppers (31) is less than a distance between the two first copper conductors (25).

Images