CN106329981A - A Nanosecond Transmission Line Pulse Source - Google Patents
A Nanosecond Transmission Line Pulse Source Download PDFInfo
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/537—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a spark gap
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Abstract
Description
技术领域technical field
本发明涉及脉冲功率技术，具体涉及一种纳秒级传输线脉冲源。The invention relates to pulse power technology, in particular to a nanosecond transmission line pulse source.
背景技术Background technique
脉冲功率技术是由国防需要而开始发展起来的一门新兴科学技术，是当今世界各大国研究的热点之一。在脉冲功率技术中，利用已经充电的传输线通过开关对负载放电形成方波脉冲是脉冲功率技术中最重要的作用之一。传输线脉冲源电路结构简单，输出功率高，能够比较方便地获得具有一定脉宽的方波脉冲。但是传输线脉冲源的缺点是脉宽受电缆长度的影响，脉宽不能改变。当需要得到不同脉宽的脉冲时，往往需要多台传输线脉冲源，冗杂繁琐，成本太高。Pulse power technology is a new science and technology developed from the needs of national defense, and it is one of the research hotspots of major countries in the world today. In the pulse power technology, using the charged transmission line to discharge the load through the switch to form a square wave pulse is one of the most important functions in the pulse power technology. The circuit structure of the transmission line pulse source is simple, the output power is high, and the square wave pulse with a certain pulse width can be obtained more conveniently. But the disadvantage of the transmission line pulse source is that the pulse width is affected by the length of the cable, and the pulse width cannot be changed. When it is necessary to obtain pulses with different pulse widths, multiple transmission line pulse sources are often required, which is cumbersome and expensive.
高功率脉冲技术中，开关技术是极其重要的，它不仅决定了脉冲的输出特性，甚至是脉冲源的成败关键。传统的传输线脉冲源的开关常采用气体火花开关，但是当要求波形上升时间小于5ns的情况下，气体火花开关存在时间抖动，触发，电感干扰等缺点。In high-power pulse technology, switching technology is extremely important. It not only determines the output characteristics of the pulse, but is even the key to the success of the pulse source. The switch of the traditional transmission line pulse source often uses a gas spark switch, but when the waveform rise time is required to be less than 5ns, the gas spark switch has disadvantages such as time jitter, triggering, and inductive interference.
为了解决传统传输线脉冲源带来的局限性，提出了一种纳秒级传输线脉冲源。通过查阅论文和专利发现，均没有涉及该项发明的案例。In order to solve the limitation brought by the traditional transmission line pulse source, a nanosecond transmission line pulse source is proposed. After reviewing papers and patents, it was found that there was no case involving the invention.
发明内容Contents of the invention
本发明所要解决的技术问题是针对背景技术的不足提供了一种纳秒级传输线脉冲源。The technical problem to be solved by the present invention is to provide a nanosecond transmission line pulse source in view of the deficiency of the background technology.
本发明为解决上述技术问题采用以下技术方案The present invention adopts the following technical solutions to solve the above-mentioned technical problems
一种纳秒级传输线脉冲源，包含高压直流电源、充电电阻、真空继电器开关、按钮开关及24V直流电源、高压连接器、负载电阻，所述高压连接器包含连接器母头和带有传输线的连接器公头；高压直流电源与充电电阻相连，充电电阻和连接器母头相连，连接器母头和带有传输线的连接器公头连接，连接器母头与真空继电器开关的一个端口相连，真空继电器开关的另一个端口和负载电阻相连，按钮开关及24V直流电源和真空继电器的线圈相连；A nanosecond-level transmission line pulse source, including a high-voltage DC power supply, a charging resistor, a vacuum relay switch, a push button switch, a 24V DC power supply, a high-voltage connector, and a load resistor. The high-voltage connector includes a connector female head and a transmission line. Connector male head; the high-voltage DC power supply is connected to the charging resistor, the charging resistor is connected to the connector female head, the connector female head is connected to the connector male head with a transmission line, and the connector female head is connected to a port of the vacuum relay switch. The other port of the vacuum relay switch is connected to the load resistor, and the button switch and 24V DC power supply are connected to the coil of the vacuum relay;
其中，高压直流电源，用于为纳秒级传输线脉冲源提供高压直流电。Among them, the high-voltage direct current power supply is used to provide high-voltage direct current for the pulse source of the nanosecond transmission line.
充电电阻，用于减小电流对传输线进行充电；The charging resistor is used to reduce the current to charge the transmission line;
真空继电器开关，用于通过控制真空继电器开关的开断，进而控制纳秒级传输线脉冲源的触发；The vacuum relay switch is used to control the triggering of the nanosecond transmission line pulse source by controlling the opening and closing of the vacuum relay switch;
按钮开关及24V直流电源，用于控制以及驱动真空继电器开关，从而控制整个纳秒级传输线脉冲源；Button switch and 24V DC power supply are used to control and drive the vacuum relay switch to control the entire nanosecond transmission line pulse source;
高压连接器，用于连接充电电阻和真空继电器开关。High voltage connector for connecting charging resistor and vacuum relay switch.
作为本发明一种纳秒级传输线脉冲源的进一步优选方案，还包含一电阻分压器，所述电阻分压器接在开关和负载电阻之间，用于测量系统波形。As a further preferred solution of the nanosecond transmission line pulse source of the present invention, a resistor divider is also included, and the resistor divider is connected between the switch and the load resistor for measuring the system waveform.
作为本发明一种纳秒级传输线脉冲源的进一步优选方案，所述充电电阻采用兆级大电阻。As a further preferred solution of the nanosecond transmission line pulse source of the present invention, the charging resistor adopts a mega-level large resistance.
作为本发明一种纳秒级传输线脉冲源的进一步优选方案，所述负载电阻采用无感的电阻。As a further preferred solution of the nanosecond transmission line pulse source of the present invention, the load resistor is a non-inductive resistor.
作为本发明一种纳秒级传输线脉冲源的进一步优选方案，所述真空继电器开关采用GT50 型真空继电器。As a further preferred solution of a nanosecond transmission line pulse source in the present invention, the vacuum relay switch adopts a GT50 vacuum relay.
本发明采用以上技术方案与现有技术相比，具有以下技术效果：Compared with the prior art, the present invention adopts the above technical scheme and has the following technical effects:
1.本发明利用真空继电器开关作为纳秒级传输线脉冲源的开关，不仅简单方便，加快脉冲的上升沿，还解决了传统气体火花开关的复杂触发问题；1. The present invention uses the vacuum relay switch as the switch of the pulse source of the nanosecond transmission line, which is not only simple and convenient, but also accelerates the rising edge of the pulse, and also solves the complicated triggering problem of the traditional gas spark switch;
2.整个纳秒级传输线脉冲源解决了传统传输线脉冲源需要得到不同脉宽的脉冲时，需要多台传输线脉冲源，冗杂繁琐，成本太高的缺点，可以在一台传输线脉冲源的情况下，通过变换不同的传输线实现了脉冲宽度可调，结构简单，方便易行。2. The entire nanosecond-level transmission line pulse source solves the shortcomings of multiple transmission line pulse sources that are cumbersome and costly when the traditional transmission line pulse source needs to obtain pulses with different pulse widths. It can be used in the case of one transmission line pulse source , the adjustable pulse width is realized by changing different transmission lines, the structure is simple, and it is convenient and easy to operate.
附图说明Description of drawings
图1是本发明传输线脉冲源结构图。Fig. 1 is a structure diagram of a transmission line pulse source of the present invention.
具体实施方式detailed description
下面结合附图对本发明的技术方案做进一步的详细说明：Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
如图1所示，一种纳秒级传输线脉冲源，包含高压直流电源、充电电阻、真空继电器开关、按钮开关及24V直流电源、高压连接器、负载电阻，所述高压连接器包含连接器母头和带有传输线的连接器公头；高压直流电源与充电电阻相连，充电电阻和连接器母头相连，连接器母头和带有传输线的连接器公头连接，连接器母头与真空继电器开关的一个端口相连，真空继电器开关的另一个端口和负载电阻相连，按钮开关及24V直流电源和真空继电器的线圈相连；还包含一电阻分压器，所述电阻分压器接在开关和负载电阻之间，用于测量系统波形。所述充电电阻采用兆级大电阻，所述负载电阻采用无感的电阻，所述真空继电器开关采用GT50 型真空继电器。As shown in Figure 1, a nanosecond-level transmission line pulse source includes a high-voltage DC power supply, a charging resistor, a vacuum relay switch, a push button switch, a 24V DC power supply, a high-voltage connector, and a load resistor. The high-voltage connector includes a connector mother The high voltage DC power supply is connected to the charging resistor, the charging resistor is connected to the female connector, the female connector is connected to the male connector with a transmission line, and the female connector is connected to the vacuum relay One port of the switch is connected, the other port of the vacuum relay switch is connected to the load resistor, the button switch and the 24V DC power supply are connected to the coil of the vacuum relay; a resistor divider is also included, and the resistor divider is connected between the switch and the load between resistors for measuring system waveforms. The charging resistor adopts a mega-level large resistor, the load resistor adopts a non-inductive resistor, and the vacuum relay switch adopts a GT50 vacuum relay.
其中，高压直流电源，用于为纳秒级传输线脉冲源提供高压直流电。Among them, the high-voltage DC power supply is used to provide high-voltage DC power for the nanosecond transmission line pulse source.
充电电阻，用于减小电流对传输线进行充电；The charging resistor is used to reduce the current to charge the transmission line;
真空继电器开关，用于通过控制真空继电器开关的开断，进而控制纳秒级传输线脉冲源的触发；The vacuum relay switch is used to control the triggering of the nanosecond transmission line pulse source by controlling the opening and closing of the vacuum relay switch;
按钮开关及24V直流电源，用于控制以及驱动真空继电器开关，从而控制整个纳秒级传输线脉冲源；Button switch and 24V DC power supply are used to control and drive the vacuum relay switch to control the entire nanosecond transmission line pulse source;
高压连接器，用于连接充电电阻和真空继电器开关。High voltage connector for connecting charging resistor and vacuum relay switch.
本发明利用真空继电器开关作为纳秒级传输线脉冲源的开关，不仅简单方便，加快脉冲的上升沿，还解决了传统气体火花开关的复杂触发问题。The invention uses the vacuum relay switch as the switch of the pulse source of the nanosecond transmission line, which is not only simple and convenient, accelerates the rising edge of the pulse, but also solves the complicated triggering problem of the traditional gas spark switch.
高压直流电源与充电电阻相连，充电电阻和连接器的母头相连，连接器母头安装固定在面板上，连接器的母头与真空继电器的一个端口相连，真空继电器的另一个端口和负载电阻相连。The high-voltage DC power supply is connected to the charging resistor, the charging resistor is connected to the female head of the connector, the female head of the connector is installed and fixed on the panel, the female head of the connector is connected to one port of the vacuum relay, and the other port of the vacuum relay is connected to the load resistor connected.
按钮开关和24V直流电源相连，按钮开关控制24V直流电源的开断，24V直流电源和真空继电器的线圈相连，用来驱动真空继电器开关。The button switch is connected with the 24V DC power supply, the button switch controls the breaking of the 24V DC power supply, and the 24V DC power supply is connected with the coil of the vacuum relay to drive the vacuum relay switch.
传输线的一端悬空灌胶封死，另一端与带有传输线的连接器公头相连，这样将带有不同长度的带有传输线的连接器公头与安装固定在面板上的连接器的母头相连，就可以产生不同脉宽的方波脉冲。One end of the transmission line is suspended and sealed with glue, and the other end is connected to the male connector with transmission lines, so that the male connectors with transmission lines of different lengths are connected to the female connectors installed and fixed on the panel , you can generate square wave pulses with different pulse widths.
电阻分压器接在开关和负载电阻之间，用于测量系统波形。A resistor divider is connected between the switch and the load resistor to measure the system waveform.
整个装置接地，构成完整电路以及起保护作用。The whole device is grounded, which constitutes a complete circuit and plays a protective role.
整个纳秒级传输线脉冲源解决了传统传输线脉冲源需要得到不同脉宽的脉冲时，需要多台传输线脉冲源，冗杂繁琐，成本太高的缺点，可以在一台传输线脉冲源的情况下，通过变换不同的传输线实现了脉冲宽度可调，结构简单，方便易行。The entire nanosecond-level transmission line pulse source solves the shortcomings of multiple transmission line pulse sources, which are cumbersome and costly when the traditional transmission line pulse source needs to obtain pulses with different pulse widths. The pulse width can be adjusted by changing different transmission lines, and the structure is simple and convenient.
传输线脉冲源通过改变传输线的长度改变脉冲的宽度，传统的传输线脉冲源传输线一端连接充电电阻，一端连接气体火花开关，所以在脉冲源研制完成后传输线不好更改替换，当需要得到不同脉宽的脉冲时，往往需要多台传输线脉冲源，冗杂繁琐，成本太高。本发明在等效电路的情况下，将传输线一端绝缘封住，另一端通过连接器与充电电阻和开关相连，这样便可以在一台传输线脉冲源的情况下，通过变换不同的传输线实现了脉冲宽度可调，结构简单，方便易行。The transmission line pulse source changes the pulse width by changing the length of the transmission line. One end of the traditional transmission line pulse source transmission line is connected to the charging resistor and the other end is connected to the gas spark switch. Therefore, it is not easy to change the transmission line after the pulse source is developed. When it is necessary to obtain different pulse widths For pulses, multiple transmission line pulse sources are often required, which is complicated and expensive. In the case of an equivalent circuit, the present invention insulates and seals one end of the transmission line, and connects the other end with a charging resistor and a switch through a connector, so that in the case of a transmission line pulse source, the pulse can be realized by changing different transmission lines. The width is adjustable, the structure is simple, and it is convenient and easy to operate.
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| CN109301612A (en) * | 2018-10-20 | 2019-02-01 | 东莞市鸿顺电线有限公司 | A kind of electric connector with sparkproof function |
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