阅读说明：本技术 一种可调式气体火花开关 (Adjustable gas spark switch ) 是由 宋英杰 丛培天 于 2019-12-06 设计创作，主要内容包括：本发明公开了一种可调式气体火花开关,其特征在于：包括壳体、第一主电极、第二主电极、进气控制件以及出气控制件、触发盘,所述壳体开设有用于容纳第一主电极、第二主电极、进气控制件以及出气控制件、触发盘的开关腔体,进气控制件以及出气控制件分别固定于壳体的左右侧,所述进气控制件以及出气控制件分别连接至独立的气体控制阀,触发盘固定于壳体内,所述壳体的滑动安装有第一主电极、第二主电极,第一主电极、第二主电极上均安装有用于调节第一主电极、第二主电极相对距离的微调结构,本发明可调式气体火花开关通过拧入微调螺杆可以向下挤压第一主电极、第二主电极,并通过密封厚垫圈保证密封性,使得可调式气体火花开关两个主电极可以微调距离,从而改变其触发特性。(The invention discloses an adjustable gas spark switch, which is characterized in that: the adjustable gas spark switch comprises a shell, a first main electrode, a second main electrode, an air inlet control piece, an air outlet control piece and a trigger plate, wherein the shell is provided with a switch cavity for accommodating the first main electrode, the second main electrode, the air inlet control piece, the air outlet control piece and the trigger plate, the air inlet control piece and the air outlet control piece are respectively fixed on the left side and the right side of the shell, the air inlet control piece and the air outlet control piece are respectively connected to independent gas control valves, the trigger plate is fixed in the shell, the first main electrode and the second main electrode are installed on the shell in a sliding manner, and fine adjustment structures for adjusting the relative distance between the first main electrode and the second main electrode are installed on the first main electrode and the second main electrode respectively. Thereby changing its trigger characteristics.)

1. An adjustable gas spark switch, characterized in that: the gas inlet control piece and the gas outlet control piece are respectively fixed on the left side and the right side of the shell, the gas inlet control piece and the gas outlet control piece are respectively connected to independent gas control valves, the trigger disc is fixed in the shell, the first main electrode and the second main electrode are slidably mounted on the shell, fine adjustment structures used for adjusting the relative distance between the first main electrode and the second main electrode are respectively mounted on the first main electrode and the second main electrode, each fine adjustment structure comprises a connecting frame, a fine adjustment screw rod, a pressure spring and a sealing thick gasket, the connecting frame is fixed on the shell, and the fine adjustment screw rods are screwed on the connecting frame through threads, the two pressure springs are respectively sleeved on the corresponding first main electrode and the second main electrode, the two thick sealing gaskets are respectively sleeved on the corresponding first main electrode and the second main electrode, two ends of the pressure springs respectively support the connecting frame and the thick sealing gaskets, and the lower ends of the thick sealing gaskets support the shaft shoulders of the corresponding first main electrode and the second main electrode.

2. The adjustable gas spark switch of claim 1, wherein: the upper end and the lower end of the shell are respectively provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are threaded holes, a first threaded sleeve and a second threaded sleeve are screwed in the threaded holes respectively through threaded matching, the first threaded sleeve and the second threaded sleeve are both provided with a first threaded sleeve hole and a second threaded sleeve hole, and a first main electrode and a second main electrode are respectively inserted in the first threaded sleeve hole and the second threaded sleeve hole.

3. The adjustable gas spark switch of claim 2, wherein: the first thread bush and the second thread bush are respectively provided with a groove, the thick sealing gasket is arranged in the groove, the groove is internally provided with a sliding plate, and the first thread bush and the second thread bush are respectively screwed with an extrusion screw rod for extruding the sliding plate.

4. The adjustable gas spark switch of claim 1, wherein: the trigger plate is fixed in the central area of the switch cavity, and the distances from the trigger plate to the lower end of the first main electrode and the upper end of the second main electrode are the same.

5. The adjustable gas spark switch of claim 1, wherein: the central round hole of the trigger plate is provided with a plurality of radial long-strip-shaped through grooves, and the inner ends of the through grooves are converged at the central round hole.

6. The adjustable gas spark switch of claim 1, wherein: the angle of the interval between the through grooves is 60 degrees.

Technical Field

The invention relates to the field of pulse power equipment, in particular to an adjustable gas spark switch.

Background of the invention is described.

The gas spark switch is widely applied to a large-scale pulse power device such as a linear induction accelerator and a Z pinch as an important component, and generally includes a housing, two main electrodes, an air inlet control member, an air outlet control member, and a trigger plate, wherein the air inlet control member and the air outlet control member are respectively fixed to left and right sides of the housing, the air inlet control member and the air outlet control member are respectively connected to an independent gas control valve, and the trigger plate is fixed in the housing. The distance between two main electrodes of the existing adjustable gas spark switch can not be finely adjusted, so that the triggering characteristic of the existing adjustable gas spark switch is changed.

Disclosure of Invention

The invention aims to provide an adjustable gas spark switch with reasonable structural design, and the distance between two main electrodes of the adjustable gas spark switch can be finely adjusted.

The technical scheme adopted by the invention for solving the problems is as follows:

an adjustable gas spark switch, characterized in that: the gas inlet control piece and the gas outlet control piece are respectively fixed on the left side and the right side of the shell, the gas inlet control piece and the gas outlet control piece are respectively connected to independent gas control valves, the trigger disc is fixed in the shell, the first main electrode and the second main electrode are slidably mounted on the shell, fine adjustment structures used for adjusting the relative distance between the first main electrode and the second main electrode are respectively mounted on the first main electrode and the second main electrode, each fine adjustment structure comprises a connecting frame, a fine adjustment screw rod, a pressure spring and a sealing thick gasket, the connecting frame is fixed on the shell, and the fine adjustment screw rods are screwed on the connecting frame through threads, the two pressure springs are respectively sleeved on the corresponding first main electrode and the second main electrode, the two thick sealing gaskets are respectively sleeved on the corresponding first main electrode and the second main electrode, two ends of the pressure springs respectively support the connecting frame and the thick sealing gaskets, and the lower ends of the thick sealing gaskets support the shaft shoulders of the corresponding first main electrode and the second main electrode.

The adjustable gas spark switch can downwards extrude the first main electrode and the second main electrode by screwing the fine adjustment screw rod, and the sealing performance is ensured by the thick sealing gasket, so that the distance between the two main electrodes of the adjustable gas spark switch can be finely adjusted, and the triggering characteristic of the adjustable gas spark switch can be changed.

Further, as preferred, the upper end and the lower end of the casing are respectively provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are both threaded holes, a first threaded sleeve and a second threaded sleeve are screwed in the threaded holes respectively through threaded matching, the first threaded sleeve and the second threaded sleeve are both provided with a first threaded sleeve hole and a second threaded sleeve hole, and a first main electrode and a second main electrode are respectively inserted in the first threaded sleeve hole and the second threaded sleeve hole.

Further, as preferred, first thread bush and second thread bush all set up flutedly, place the recess in the sealed thick packing ring, be provided with the sliding plate in the recess, all twist on first thread bush and the second thread bush and be used for extrudeing the extrusion screw of sliding plate.

Preferably, the trigger plate is fixed to a central region of the switch cavity, and the distances from the trigger plate to the lower end of the first main electrode and the upper end of the second main electrode are the same.

Preferably, the trigger plate is provided with a plurality of radial long-strip-shaped through grooves, and the inner ends of the through grooves are converged at the central circular hole.

Further, preferably, the angle of the interval between the through grooves is 60 °.

Compared with the prior art, the invention has the following advantages and effects: the adjustable gas spark switch can downwards extrude the first main electrode and the second main electrode by screwing the fine adjustment screw rod, and the sealing performance is ensured by the thick sealing gasket, so that the distance between the two main electrodes of the adjustable gas spark switch can be finely adjusted, and the triggering characteristic of the adjustable gas spark switch can be changed.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable gas spark switch according to an embodiment of the invention.

Fig. 2 is a partially enlarged schematic structural diagram of an adjustable gas spark switch according to an embodiment of the invention.

Fig. 3 is a schematic structural diagram of a trigger disk according to an embodiment of the present invention.

Numbering in the figures; the air inlet control device comprises a shell 1, a first main electrode 2, a second main electrode 3, an air inlet control piece 4, an air outlet control piece 5, a trigger disc 6, a connecting frame 7, a fine adjustment screw rod 8, a pressure spring 9, a thick sealing gasket 10, a first threaded sleeve 11, a second threaded sleeve 12, a sliding plate 13, an extrusion screw rod 14, a central circular hole 15 and a through groove 16

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Referring to fig. 1 to 3, the adjustable gas spark switch of this embodiment includes a housing 1, a first main electrode 2, a second main electrode 3, an air inlet control member 4, an air outlet control member 5, and a trigger plate 6, where the housing 1 is provided with a switch cavity for accommodating the first main electrode 2, the second main electrode 3, the air inlet control member 4, the air outlet control member 5, and the trigger plate 6, the air inlet control member 4 and the air outlet control member 5 are respectively fixed to left and right sides of the housing 1, the air inlet control member 4 and the air outlet control member 5 are respectively connected to independent gas control valves, the trigger plate 6 is fixed in the housing 1, the housing 1 is slidably provided with the first main electrode 2 and the second main electrode 3, the first main electrode 2 and the second main electrode 3 are both provided with fine adjustment structures for adjusting relative distances between the first main electrode 2 and the second main electrode 3, and the fine adjustment, The fine adjustment device comprises a fine adjustment screw rod 8, pressure springs 9 and a thick sealing washer 10, wherein the connecting frame 7 is fixed on the shell 1, the fine adjustment screw rod 8 is screwed on the connecting frame 7 through thread fit, the two pressure springs 9 are respectively sleeved on the corresponding first main electrode 2 and the corresponding second main electrode 3, the two thick sealing washers 10 are respectively sleeved on the corresponding first main electrode 2 and the corresponding second main electrode 3, two ends of each pressure spring 9 respectively support against the connecting frame 7 and the corresponding thick sealing washer 10, and the lower end of each thick sealing washer 10 supports against shaft shoulders of the corresponding first main electrode 2 and the corresponding second main electrode 3.

The upper end and the lower end of the shell 1 are respectively provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are threaded holes, a first threaded sleeve 11 and a second threaded sleeve 12 are screwed in the threaded holes through thread matching respectively, the first threaded sleeve 11 and the second threaded sleeve 12 are both provided with a first threaded sleeve 11 hole and a second threaded sleeve 12 hole, and the first main electrode 2 and the second main electrode 3 are respectively inserted in the first threaded sleeve 11 hole and the second threaded sleeve 12 hole. The first threaded sleeve 11 and the second threaded sleeve 12 are both provided with grooves, the thick sealing gasket 10 is arranged in the grooves, sliding plates 13 are arranged in the grooves, and extrusion screws 14 used for extruding the sliding plates 13 are screwed on the first threaded sleeve 11 and the second threaded sleeve 12.

The trigger plate 6 is fixed in the central area of the switch cavity, and the distances from the trigger plate 6 to the lower end of the first main electrode 2 and the upper end of the second main electrode 3 are the same. A plurality of radial long-strip-shaped through grooves 16 are formed in the trigger disc 6 through a central circular hole 15 of the trigger disc 6, and the inner ends of the through grooves 16 are converged at the central circular hole 15. The slots 16 are spaced at an angle of 60.

The adjustable gas spark switch can downwards extrude the first main electrode 2 and the second main electrode 3 by screwing the fine adjustment screw 8, and the sealing performance is ensured by the thick sealing gasket 10, so that the distance between the two main electrodes of the adjustable gas spark switch can be finely adjusted, and the triggering characteristic of the adjustable gas spark switch can be changed.

The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.