Plasma ignition cathode gun

Abstract

The utility model relates to the technical field of power plants, in particular to a plasma ignition cathode gun which comprises a copper protective sleeve. A cathode mechanism is mounted in the copper protective sleeve, and a cleaning mechanism in sliding connection with the copper protective sleeve is arranged above the cathode mechanism; one side of the copper protective sleeve is also communicated with an external pipe; the cathode mechanism comprises a base, a sliding column and a sliding plate, the outer side of the base is fixedly connected with a copper protective sleeve, the center of the base is spirally connected with a spiral rod, the top of the spiral rod is rotationally connected with a cathode head, and the bottom of the spiral rod is fixedly connected with an adjusting cap; the adjusting cap is rotated to drive the screw rod to move, at the moment, the screw rod pushes the cathode head on one side to move, at the moment, the cathode head can be close to an anode, the ignition success probability is increased by reducing the distance between the cathode and the anode, stable movement of the cathode head is ensured through the arrangement of the sliding column and the sliding plate, and the cathode head is made of silver, so that the manufacturing cost is reduced. And the conductivity of the cathode mechanism is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to power plant technical field, concretely is a kind of plasma ignition cathode gun. BACKGROUND

[0002] Plasma generator makes active particle produced by plasma to make gas turbine combustion chamber reliably ignite and stably burn. High voltage can be formed between the anode and the cathode of the plasma generator, and the high voltage breaks down the air to establish a discharge channel, forming a high-energy directional plasma hot jet to achieve the ignition effect.

[0003] The ignition energy of the plasma generator is high, which can easily ablate the cathode discharge part of the plasma igniter, increase the gap between the anode and the cathode, and make the air between the anode and the cathode not easy to break down. In the long-term use process, the surface of the cathode head is covered with oxide, at this time, it is also not easy to ignite successfully, therefore, aiming at the above problems, a kind of plasma ignition cathode gun is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of plasma ignition cathode gun to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] As an optional scheme of the plasma ignition cathode gun of the utility model, wherein: a kind of plasma ignition cathode gun, including copper protection sleeve, cathode mechanism and cleaning mechanism;

[0007] The cathode mechanism is installed in the inside of the copper protection sleeve, and the cleaning mechanism is slidably connected above the cathode mechanism with the copper protection sleeve;

[0008] One side of the copper protection sleeve is also communicated with an external pipe;

[0009] The cathode mechanism includes a base, a sliding column and a sliding plate, the outer side of the base is fixedly connected with the copper protection sleeve, a screw rod is spirally connected in the center of the base, a cathode head is rotatably connected to the top of the screw rod, and an adjusting cap is fixedly connected to the bottom of the screw rod;

[0010] The sliding column is slidably connected around the upper part of the base, the top of the sliding column is fixedly connected with the sliding plate, the bottom of the sliding column is fixedly connected with the sliding plate, and the outer side of the sliding plate is slidably connected with the base.

[0011] As an optional scheme of the plasma ignition cathode gun of the utility model, wherein: the external pipe is inclinedly arranged.

[0012] As an optional scheme of the plasma ignition cathode gun, the bottom of the base is provided with a groove, and an adjusting cap is arranged in the groove.

[0013] As an optional scheme of the plasma ignition cathode gun, the base, the sliding column, the sliding plate, the screw rod, the adjusting cap and the cathode head are all made of conductive silver block material.

[0014] The ignition energy of the plasma generator is high, and the cathode discharge part of the plasma igniter is easy to be ablated, so that the gap between the anode and the cathode is increased, the air between the anode and the cathode is not easy to be broken down, or in the long-term use process, the surface of the cathode head is covered with oxide, at this time, it is also not easy to ignite successfully, in use, the adjusting cap is rotated to drive the screw rod to move, at this time, the screw rod pushes the cathode head on one side to move, at this time, the cathode head can be close to the anode, the distance between the anode and the cathode is reduced to increase the ignition success probability, and the sliding column and the sliding plate are arranged to ensure that the cathode head moves stably, and the cathode head is made of silver to ensure the conductivity of the cathode mechanism.

[0015] As an optional scheme of the plasma ignition cathode gun, the cleaning mechanism comprises a rotating ring, a rotating sleeve and an elastic piece, the outer side of the rotating ring is in sliding connection with the copper protective sleeve, one side of the rotating ring is fixedly connected with the rotating sleeve, the bottom of the rotating sleeve is fixedly connected with the elastic piece, the bottom of the elastic piece is fixedly connected with a cleaning plate, and one side of the cleaning plate is provided in an arc surface.

[0016] As an optional scheme of the plasma ignition cathode gun, the elastic piece comprises a fixed cylinder, a supporting rod and a non-conductive spring, the top of the fixed cylinder is in fixed connection with the rotating sleeve, the inside of the fixed cylinder is in sliding connection with the supporting rod, one side of the supporting rod is in fixed connection with the non-conductive spring, the other end of the non-conductive spring is in fixed connection with the fixed cylinder, and the other end of the supporting rod is in fixed connection with the cleaning plate.

[0017] The external gas is discharged into the inside of the cleaning plate through the external connecting pipe, at this time, the cleaning plate can rotate, the surface of the cathode head can be treated to ensure that the cathode head can be normally used, the rotating sleeve and the rotating ring above the elastic piece can ensure that the cleaning plate stably rotates in the copper protective sleeve, and the non-conductive spring in the elastic piece can extrude the supporting rod to move, so that the cleaning plate stably contacts the surface of the cathode head.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The utility model discloses in using, through the rotation adjusting cap drive screw rod moves, at this moment screw rod pushes the cathode head of one side to move, at this moment can make it close to anode, through reducing the distance of cathode and anode to increase the ignition success probability, and the setting of slide column and slide board ensures that the cathode head moves stably, and it adopts silver to be made, ensures the conductivity of cathode mechanism;

[0020] External gas is discharged to the inside of the cleaning plate through the external pipe, at this time the cleaning plate can rotate, which can ensure the surface of the cathode head is treated and the cathode head can be used normally.

[0021] The rotating sleeve and rotating ring above the elastic member can ensure that the cleaning plate rotates stably inside the copper protective sleeve, and the non-conductive spring inside the elastic member can extrude the support rod to move, thereby ensuring that the cleaning plate stably contacts the surface of the cathode head. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the overall structure schematic diagram of the utility model;

[0023] Figure 2 It is the overall sectional view of the utility model;

[0024] Figure 3 It is the structure schematic diagram of the elastic member of the utility model.

[0025] In the drawing: 1, copper protective sleeve; 2, cathode mechanism; 201, base; 202, slide column; 203, slide plate; 204, screw rod; 205, adjusting cap; 206, cathode head; 3, cleaning mechanism; 301, rotating ring; 302, rotating sleeve; 303, elastic member; 3031, fixed cylinder; 3032, support rod; 3033, non-conductive spring; 304, cleaning plate; 4, external pipe. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Embodiment 1: please refer to Figure 1 And Figure 2 The utility model provides a technical scheme:

[0028] A plasma ignition cathode gun, comprising a copper protective sleeve 1, a cathode mechanism 2 and a cleaning mechanism 3.

[0029] The cathode mechanism 2 is installed in the copper protective sleeve 1, and the cleaning mechanism 3 in sliding connection with the copper protective sleeve 1 is arranged above the cathode mechanism 2.

[0030] The copper protective sleeve 1 is also connected with the external pipe 4.

[0031] The cathode mechanism 2 comprises a base 201, a sliding column 202 and a sliding plate 203, the outer side of the base 201 is in fixed connection with the copper protective sleeve 1, a screw rod 204 is screw-connected in the center of the base 201, a cathode head 206 is rotationally connected to the top of the screw rod 204, and an adjusting cap 205 is fixedly connected to the bottom of the screw rod 204.

[0032] The sliding columns 202 are uniformly distributed and in sliding connection around the upper side of the base 201, the top of the sliding column 202 is in fixed connection with the sliding plate 203, the bottom of the sliding column 202 is fixedly connected with the sliding plate 203, and the outer side of the sliding plate 203 is in sliding connection with the base 201.

[0033] The external pipe 4 is arranged in an inclined manner.

[0034] The bottom of the base 201 is provided with a groove, and the adjusting cap 205 is arranged in the groove.

[0035] The base 201, the sliding column 202, the sliding plate 203, the screw rod 204, the adjusting cap 205 and the cathode head 206 are all made of conductive silver blocks.

[0036] The ignition energy of the plasma generator is high, which is easy to ablate the cathode discharge part of the plasma igniter, increase the gap between the anode and the cathode, make the air between the anode and the cathode not easy to break down, or cover the surface of the cathode head with oxide in the long-term use, at this time, it is also not easy to ignite successfully. In use, the adjusting cap 205 is rotated to drive the screw rod 204 to move, at this time, the screw rod 204 pushes the cathode head 206 on one side to move, at this time, it can be close to the anode, the distance between the anode and the cathode is reduced to increase the ignition success rate, and the sliding column 202 and the sliding plate 203 are arranged to ensure the stable movement of the cathode head 206, and the silver is used to ensure the conductivity of the cathode mechanism 2.

[0037] In the embodiment, the groove at the bottom of the base 201 is provided with the adjusting cap 205, the staff can rotate the adjusting cap 205 to drive the screw rod 204 to rotate, and then adjust the position of the cathode head 206, the external pipe 4 is arranged in an inclined manner, which can ensure that the external gas drives the cleaning mechanism 3 to rotate, and then clean the cathode head 206.

[0038] Embodiment 2: This embodiment is an improvement on embodiment 1, please refer to Figure 2 andFigure 3 Specifically, the cleaning mechanism 3 comprises a rotating ring 301, a rotating sleeve 302 and an elastic member 303, the outer side of the rotating ring 301 is in sliding connection with the copper protective sleeve 1, one side of the rotating ring 301 is fixedly connected with the rotating sleeve 302, the bottom of the rotating sleeve 302 is fixedly connected with the elastic member 303, and the bottom of the elastic member 303 is fixedly connected with a cleaning plate 304, one side of the cleaning plate 304 is provided in an arc surface.

[0039] The elastic member 303 comprises a fixed cylinder 3031, a supporting rod 3032 and a non-conductive spring 3033, the top of the fixed cylinder 3031 is in fixed connection with the rotating sleeve 302, the inside of the fixed cylinder 3031 is in sliding connection with the supporting rod 3032, one side of the supporting rod 3032 is in fixed connection with the non-conductive spring 3033, the other end of the non-conductive spring 3033 is in fixed connection with the fixed cylinder 3031, and the other end of the supporting rod 3032 is in fixed connection with the cleaning plate 304.

[0040] The external gas is discharged into the inside of the cleaning plate 304 through the external pipe 4, at this time, the cleaning plate 304 can rotate, so as to ensure the treatment of the surface of the cathode head 206 and the normal use of the cathode head 206.

[0041] The rotating sleeve 302 and the rotating ring 301 above the elastic member 303 can ensure the stable rotation of the cleaning plate 304 in the copper protective sleeve 1, and the non-conductive spring 3033 in the elastic member 303 can extrude the supporting rod 3032 to move, so as to ensure the stable contact of the cleaning plate 304 with the surface of the cathode head 206.

[0042] In the embodiment, one side of the cleaning plate 304 is provided in an arc surface, so as to ensure the cleaning of the cathode head 206, and the components in the cleaning mechanism 3 are all made of non-conductive materials, so as to avoid the influence on the use of the cathode head 206, and the surface of the non-conductive spring 3033 is coated with an insulating layer to achieve the purpose of insulation.

[0043] It should be noted that, in the present document, the terms such as first and second, etc. are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A plasma ignition cathode gun, characterized in that: It comprises a copper protective sleeve (1), a cathode mechanism (2) and a cleaning mechanism (3); The cathode mechanism (2) is installed inside the copper protective sleeve (1), and the cleaning mechanism (3) is arranged above the cathode mechanism (2) in sliding connection with the copper protective sleeve (1); One side of the copper protective sleeve (1) is also connected with an external pipe (4); The cathode mechanism (2) comprises a base (201), a sliding column (202) and a sliding plate (203), the outer side of the base (201) is fixedly connected with the copper protective sleeve (1), a screw rod (204) is spirally connected at the center of the base (201), a cathode head (206) is rotatably connected at the top of the screw rod (204), and an adjusting cap (205) is fixedly connected at the bottom of the screw rod (204); The sliding columns (202) are uniformly distributed and slidingly connected around the top of the base (201), the top of the sliding column (202) is fixedly connected with the sliding plate (203), the bottom of the sliding column (202) is fixedly connected with the sliding plate (203), and the outer side of the sliding plate (203) is slidingly connected with the base (201).

2. A plasma ignition cathode gun as claimed in claim 1, characterized in that: The external pipe (4) is arranged obliquely.

3. A plasma ignition cathode gun as defined in claim 1, characterized in that: A groove is formed at the bottom of the base (201), and the adjusting cap (205) is arranged in the groove.

4. A plasma ignition cathode gun as defined in claim 1, wherein: The base (201), the sliding column (202), the sliding plate (203), the screw rod (204), the adjusting cap (205) and the cathode head (206) are all made of conductive silver block material.

5. A plasma ignition cathode gun as defined in claim 1, wherein: The cleaning mechanism (3) comprises a rotating ring (301), a rotating sleeve (302) and an elastic member (303), the outer side of the rotating ring (301) is slidingly connected with the copper protective sleeve (1), one side of the rotating ring (301) is fixedly connected with the rotating sleeve (302), the bottom of the rotating sleeve (302) is fixedly connected with the elastic member (303), the bottom of the elastic member (303) is fixedly connected with a cleaning plate (304), and one side of the cleaning plate (304) is arranged as an arc surface.

6. A plasma ignition cathode gun as claimed in claim 5, characterized in that: The elastic member (303) comprises a fixed cylinder (3031), a supporting rod (3032) and a non-conductive spring (3033), the top of the fixed cylinder (3031) is fixedly connected with the rotating sleeve (302), the inside of the fixed cylinder (3031) is slidingly connected with the supporting rod (3032), one side of the supporting rod (3032) is fixedly connected with the non-conductive spring (3033), the other end of the non-conductive spring (3033) is fixedly connected with the fixed cylinder (3031), and the other end of the supporting rod (3032) is fixedly connected with the cleaning plate (304).

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