CN214624961U - Hydrogen thyratron module with electromagnetic shielding function and high-voltage pulse generator - Google Patents
Hydrogen thyratron module with electromagnetic shielding function and high-voltage pulse generator Download PDFInfo
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- CN214624961U CN214624961U CN202121225301.6U CN202121225301U CN214624961U CN 214624961 U CN214624961 U CN 214624961U CN 202121225301 U CN202121225301 U CN 202121225301U CN 214624961 U CN214624961 U CN 214624961U
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Abstract
The utility model discloses a hydrogen thyratron module with electromagnetic shielding function, which comprises a shielding cover, a shielding base and a hydrogen thyratron; the shielding cover is arranged on the shielding base, and an electromagnetic shielding space is formed between the shielding cover and the shielding base; the hydrogen thyratron is arranged in the electromagnetic shielding space; an insulating cap is sleeved on the high-voltage end of the hydrogen thyratron; and the anode of the hydrogen thyratron extends out of the top of the insulating cap. The utility model also discloses a high-voltage pulse generator. The utility model relates to a hydrogen thyratron module and high-voltage pulse generator with electromagnetic shield function, through setting up above-mentioned structure, effectively shielded thyratron work discharge to outside electromagnetic radiation, solved the electromagnetic interference of thyratron to control trigger circuit, guaranteed the reliability and the stability of equipment.
Description
Technical Field
The utility model relates to a pulse power technical field, concretely relates to hydrogen thyratron module and high-voltage pulse generator with electromagnetic shield function.
Background
The technical indexes of the pulse hydrogen thyratron product cover that the peak anode voltage is 3 kV-70 kV, the peak anode current is 100A-50 kA, and the peak current of a newly developed pseudo spark switch device can reach hundreds of kiloamperes. The current product is widely applied to radar systems such as airborne radar systems, missile-borne radar systems, ground measurement and control systems and the like, and is used as a high-power switch for various pulse power sources. The user relates to the whole factories of the China electrical department, the aerospace department, the Chinese institute of engineering and physics, the northwest nuclear technology and the like.
The development of a low-jitter three-electrode spark switch was published in 1999 for intense laser and particle beams, but the trigger voltage of the device is higher (35KV), and the authors do not perform any treatment on the conduction of the switch along with the space electromagnetic radiation and the X-ray radiation. When in use, the electromagnetic interference is easy to destroy low-voltage equipment triggering the control system, and is also easy to cause occupational hazards of X-ray radiation to operators. In the second 6 th month of 2001, 200kV/100kA low-jitter annular field distortion switches have high withstand voltage and high power, and the problems of high triggering voltage and electromagnetic radiation and X-ray radiation are not solved.
In "power electronic technology", 2014, 5 th month, 48, a study on the influence of electromagnetic pulse conducted interference on a switch trigger system "was published, and a study on the influence of the conducted interference of electromagnetic pulse on a trigger circuit was conducted by taking a hydrogen thyristor gate trigger circuit as a study object. And a common ground coupling interference model is established, and experiments are carried out in a repeated electromagnetic pulse environment. The accumulative effect of the conducted interference under the repeated electromagnetic pulse environment is proved through model analysis of the conducted interference and experimental measurement of the output of the hydrogen thyratron under the repeated frequency environment.
In the prior art, chinese patent application No. 201821346139.1 discloses a high-voltage switching device suitable for high-precision equipment, and belongs to the technical field of high-power pulses. Wherein the sleeve member, the anode terminal and the cathode flange are coaxially arranged, and form a coaxial current loop through a coaxial cable, thereby avoiding the generation of the change of primary parameters such as capacitance, inductance and the like, and causing the problems of secondary parameter impedance, attenuation and the like; meanwhile, the sleeve made of metal can effectively shield the interference of an internal magnetic field and an external magnetic field, and the interference of high-frequency electromagnetic radiation generated when the hydrogen thyratron works with other parts is avoided. However, the adopted technical scheme is not suitable for high-voltage pulser integration, in particular for high-voltage pulsers used in environments requiring high reliability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the shielding scheme among the prior art is unfavorable for integratively, especially is not suitable for and uses under the high reliability environment, and aim at provides a hydrogen thyratron module and high-voltage pulse generator with electromagnetic shield function, solves above-mentioned problem.
The utility model discloses a following technical scheme realizes:
a hydrogen thyratron module with electromagnetic shielding function comprises a shielding cover, a shielding base and a hydrogen thyratron;
the shielding cover is arranged on the shielding base, and an electromagnetic shielding space is formed between the shielding cover and the shielding base;
the hydrogen thyratron is arranged in the electromagnetic shielding space;
an insulating cap is sleeved on the high-voltage end of the hydrogen thyratron; and the anode of the hydrogen thyratron extends out of the top of the insulating cap.
The utility model discloses during the application, because the utility model discloses mainly be applied to X ray excitation etc. and require very high technical scene to stability, have higher requirement to integrating simultaneously, electromagnetic compatibility needs to satisfy GJB151A-1997 military equipment and subsystem electromagnetic emission and sensitivity requirement, needs to satisfy GJB150A-2009 army public equipment laboratory environmental test standard simultaneously. Therefore, the scheme of shielding and insulating configuration is adopted in the application; an electromagnetic shielding space is formed between the shielding cover and the shielding base, and the electromagnetic radiation of the hydrogen thyratron is greatly isolated in the electromagnetic shielding space; the shielding scheme is very beneficial to the integration of the high-voltage pulser, the distance between modules is very short in the process of integrating the high-voltage pulser, all the modules are arranged in the same box body, if other shielding schemes are adopted, the electromagnetic radiation is difficult to control in a safe range, the electromagnetic radiation generated by the hydrogen thyratron can be continuously reflected in the box body to cause great interference to other module devices, and other modules can be even damaged in serious cases.
Simultaneously, because the hydrogen thyratron in this application still need be connected with the external world, so this application has still adopted the structure of an insulating cap, when hydrogen thyratron positive pole and outside such as high voltage power supply or energy storage device electricity are connected, the insulating cap is kept apart this part high pressure completely with the shielding structure of outside, avoids high-pressure breakdown air directly to switch on the shielding structure on the one hand, and on the other hand reduces the partial discharge of hydrogen thyratron high-voltage end, improves stability. The utility model discloses a set up above-mentioned structure, effectively shielded thyratron work discharge to outside electromagnetic radiation, solved the thyratron to control trigger circuit's electromagnetic interference, guaranteed the reliability and the stability of equipment.
Furthermore, the insulating cap adopts a hollow cavity structure, and the outer wall of the hollow cavity structure adopts polytetrafluoroethylene material.
Furthermore, a wire passing through hole is formed in the side surface of the shielding cover; and the anode of the hydrogen thyratron is connected with external equipment through the through hole.
Furthermore, a wiring terminal is arranged on the side surface of the shielding base; the hydrogen thyratron receives preheating power supply through the wiring terminal.
Further, a pulse terminal is arranged on the side surface of the shielding base; the hydrogen thyratron outputs pulses through the pulse terminal.
Furthermore, a plurality of rows of heat dissipation channels are arranged on the side surface of the shielding base; the heat dissipation channel penetrates through the side face of the shielding base.
Furthermore, the side surface of the shielding base is also provided with a fixing foot seat used for fixing the shielding base in the high-voltage pulse generator case.
The high-voltage pulse generator comprises a high-voltage power supply module, an output and energy storage module, a PLC module, a preheating power supply module and a hydrogen thyratron triggering module, which are arranged in a high-voltage pulse generator case; the hydrogen thyratron module also comprises the hydrogen thyratron module;
the anode of the hydrogen thyratron module is connected with the high-voltage power supply module and the output and energy storage module;
the preheating power supply module supplies power to the hydrogen storage gas and the lamp filament of the hydrogen thyratron module;
the PLC module is connected to the preheating power supply module and the high-voltage power supply module;
the hydrogen thyratron triggering module is connected to the hydrogen thyratron module.
Furthermore, the circuit for supplying power to the hydrogen storage gas and the circuit for supplying power to the lamp filaments by the preheating power supply module are connected through a dial switch.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model relates to a hydrogen thyratron module and high-voltage pulse generator with electromagnetic shield function, through setting up above-mentioned structure, effectively shielded thyratron work discharge to outside electromagnetic radiation, solved the electromagnetic interference of thyratron to control trigger circuit, guaranteed the reliability and the stability of equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
fig. 3 is a side view of the shielding base of the present invention;
fig. 4 is a cross-sectional view of the insulating cap of the present invention;
fig. 5 is a top view of the insulating cap of the present invention;
fig. 6 is a schematic structural diagram of the high voltage pulse generator of the present invention.
Reference numbers and corresponding part names in the drawings:
the power supply comprises a 1-hydrogen thyratron module, a 2-high-voltage power supply module, a 3-output and energy storage module, a 4-PLC module, a 5-preheating power supply module, a 6-hydrogen thyratron trigger module, an 11-shielding cover, a 111-wire through hole, a 12-shielding base, a 121-wiring terminal, a 122-heat dissipation channel, a 123-pulse terminal, a 124-fixing foot seat, a 13-hydrogen thyratron, a 131-anode and a 132-insulating cap.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
In order to facilitate the explanation of the hydrogen thyratron module with electromagnetic shielding function, please refer to fig. 1 and fig. 2 in combination, which provide a schematic structural diagram of the hydrogen thyratron module with electromagnetic shielding function disclosed in the embodiment of the present invention. The device comprises a shielding cover 11, a shielding base 12 and a hydrogen thyratron 13;
the shielding cover 11 is mounted on the shielding base 12, and an electromagnetic shielding space is formed between the shielding cover 11 and the shielding base 12;
the hydrogen thyratron 13 is arranged in the electromagnetic shielding space;
the high-voltage end of the hydrogen thyratron 13 is sleeved with an insulating cap 132; the anode 131 of the hydrogen thyratron 13 extends out of the top of the insulating cap 132.
When the embodiment is implemented, the utility model is mainly applied to technical scenes with very high requirements on stability, such as X-ray excitation, and has higher requirements on integration, so that the scheme of shielding and insulating configuration is adopted in the application; an electromagnetic shielding space in which electromagnetic radiation of the hydrogen thyratron 13 is largely isolated is formed between the shield cover 11 and the shield base 12; the shielding scheme is very beneficial to the integration of the high-voltage pulser, the distance between modules is very short in the process of integrating the high-voltage pulser, all the modules are installed in the same box body, if other shielding schemes are adopted, electromagnetic radiation generated by the hydrogen thyratron 13 leaks slightly, then contact reflection in the box body causes great interference to other module devices, and other modules can be even damaged in serious cases.
Meanwhile, because the hydrogen thyratron 13 in this application still needs to be connected with the outside, this application has still adopted the structure of an insulating cap 132, when the positive pole 131 of hydrogen thyratron 13 is connected with outside such as high voltage power supply or energy storage device electricity, this part high pressure is kept apart with the shielding structure of outside completely with insulating cap 132, avoids high-pressure breakdown air to directly switch on the shielding structure on the one hand, and on the other hand reduces the partial discharge of hydrogen thyratron high-voltage end, improves stability.
In one embodiment, the insulation cap 132 is a hollow cavity structure, and the outer wall of the hollow cavity structure is made of teflon.
In this embodiment, in order to enhance the shielding and insulating effect of this embodiment, please refer to fig. 4 and fig. 5, the insulating cap 132 in this embodiment adopts a hollow cavity structure, and at the same time, adopts a teflon material to manufacture the outer wall of the hollow cavity structure, and similarly, a ceramic or other material that can achieve the same effect should be considered to be equal to the teflon material.
In one embodiment, the side of the shielding cover 11 is provided with a wire passing through hole 111; the anode 131 of the hydrogen thyratron 13 is connected with external equipment through the through hole 111.
In one embodiment, the side of the shield base 12 is provided with a connection terminal 121; the hydrogen thyratron 13 receives preheating power supply through the connection terminal 121.
In one embodiment, the side of the shielding base 12 is provided with a pulse terminal 123; the hydrogen thyratron 13 outputs a pulse through the pulse terminal 123.
In one embodiment, the side of the shielding base 12 is provided with a plurality of rows of heat dissipation channels 122; the heat dissipation channel 122 penetrates through the side of the shielding base 12.
In the implementation of this embodiment, in a specific implementation manner, in order to facilitate the electrical connection between the hydrogen thyristor 13 and the outside, please refer to fig. 3, a high-voltage wire is passed by using the wire passing through hole 111, and another line connection is performed by using the wire connecting terminal 121 and the pulse terminal 123, and the line connection is performed by using the wire connecting terminal, so that the shielding effect can be ensured, and the electromagnetic shielding performance of the shielding base 12 can be ensured.
In a more specific embodiment, the connection terminal 121 and the pulse terminal 123 are both disposed on the same face of the shielding base 12, and the number is two, wherein the pulse terminal 123 includes a main pulse terminal and a pre-pulse terminal. Because the wiring terminal 121 and the pulse terminal 123 are both disposed on the same surface of the shielding base 12, multiple rows of heat dissipation channels 122 can be disposed on the other two surfaces of the shielding base 12, and the multiple rows of heat dissipation channels 122 can ensure that electromagnetic waves do not leak out while heat is dissipated, thereby forming an electromagnetic shielding structure of a faraday cage.
In one embodiment, the side of the shielding base 12 is further provided with a fixing foot 124 for fixing the shielding base 12 in the high voltage pulse generator case.
Based on the same concept, please refer to fig. 6, which also provides a specific structural diagram of the high voltage pulse generator, and the detailed description of the high voltage pulse generator is as follows.
The high-voltage pulse generator comprises a high-voltage power supply module 2, an output and energy storage module 3, a PLC module 4, a preheating power supply module 5 and a hydrogen thyratron triggering module 6 which are arranged in a high-voltage pulse generator case; further comprising any one of the above described hydrogen thyratron modules 1;
the anode of the hydrogen thyratron module 1 is connected with the high-voltage power supply module 2 and the output and energy storage module 3;
the preheating power supply module 5 supplies power to the hydrogen storage gas and the lamp filaments of the hydrogen thyratron module 1;
the PLC module 4 is connected to the preheating power supply module 5 and the high-voltage power supply module 2;
the hydrogen thyratron trigger module 6 is connected to the hydrogen thyratron module 1.
In one embodiment, the line for supplying power to the hydrogen storage gas and the line for supplying power to the filament of the preheating power supply module 5 are connected through a dial switch.
In the implementation of this embodiment, the power supply part of the hydrogen thyratron is divided into: a hydrogen reservoir gas and a filament. The voltage of the hydrogen storage gas can be adjusted to be 5.8V-6.2V direct current voltage, and the filament is 5.6V-6.0V. The hydrogen storage gas voltage often needs to be regulated due to operational requirements. In the embodiment, the two power supplies are combined into one power supply by analyzing the working principle of the hydrogen storage gas, dividing the voltage by using the power resistor and skillfully designing the dial switch, and the voltage value of the required hydrogen storage gas can be conveniently selected by combining the dial switches.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A hydrogen thyratron module with electromagnetic shielding function is characterized by comprising a shielding cover (11), a shielding base (12) and a hydrogen thyratron (13);
the shielding cover (11) is arranged on the shielding base (12), and an electromagnetic shielding space is formed between the shielding cover (11) and the shielding base (12);
the hydrogen thyratron (13) is arranged in the electromagnetic shielding space;
an insulating cap (132) is sleeved on the high-voltage end of the hydrogen thyratron (13); the anode (131) of the hydrogen thyratron (13) extends out of the top of the insulating cap (132).
2. The hydrogen thyratron module with electromagnetic shielding function as claimed in claim 1, wherein the insulating cap (132) is a hollow cavity structure, and the outer wall of the hollow cavity structure is made of teflon.
3. The hydrogen thyratron module with electromagnetic shielding function as claimed in claim 1, wherein the side of said shielding cover (11) is provided with a through-wire via hole (111); and the anode (131) of the hydrogen thyratron (13) is connected with external equipment through the through hole (111).
4. The hydrogen thyristor module with electromagnetic shielding function according to claim 1, wherein the side surface of the shielding base (12) is provided with a terminal (121); the hydrogen thyratron (13) receives preheating power supply through the wiring terminal (121).
5. The hydrogen thyratron module with electromagnetic shielding function as claimed in claim 1, wherein the side of said shielding base (12) is provided with a pulse terminal (123); the hydrogen thyratron (13) outputs pulses through the pulse terminal (123).
6. The hydrogen thyratron module with electromagnetic shielding function as claimed in claim 1, characterized in that the side of said shielding base (12) is provided with a plurality of rows of heat dissipation channels (122); the heat dissipation channel (122) penetrates through the side face of the shielding base (12).
7. The hydrogen thyratron module with the electromagnetic shielding function as claimed in claim 1, characterized in that the side surface of the shielding base (12) is further provided with a fixing foot seat (124) for fixing the shielding base (12) in a high-voltage pulse generator case.
8. The high-voltage pulse generator is characterized by comprising a high-voltage power supply module (2), an output and energy storage module (3), a PLC module (4), a preheating power supply module (5) and a hydrogen thyratron triggering module (6) which are arranged in a high-voltage pulse generator case; further comprising a hydrogen thyratron module (1) according to any one of claims 1 to 7;
the anode of the hydrogen thyratron module (1) is connected with the high-voltage power supply module (2) and the output and energy storage module (3);
the preheating power supply module (5) supplies power to the hydrogen storage gas and the lamp filaments of the hydrogen thyratron module (1);
the PLC module (4) is connected to the preheating power supply module (5) and the high-voltage power supply module (2);
the hydrogen thyratron triggering module (6) is connected to the hydrogen thyratron module (1).
9. The high-voltage pulse generator according to claim 8, wherein the preheating power supply module (5) is connected to the line for supplying power to the hydrogen storage gas and the line for supplying power to the filament via a dial switch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225301.6U CN214624961U (en) | 2021-06-02 | 2021-06-02 | Hydrogen thyratron module with electromagnetic shielding function and high-voltage pulse generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225301.6U CN214624961U (en) | 2021-06-02 | 2021-06-02 | Hydrogen thyratron module with electromagnetic shielding function and high-voltage pulse generator |
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| CN214624961U true CN214624961U (en) | 2021-11-05 |
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| CN202121225301.6U Active CN214624961U (en) | 2021-06-02 | 2021-06-02 | Hydrogen thyratron module with electromagnetic shielding function and high-voltage pulse generator |
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