Coaxial electrode and cable integrated device applied to underwater pulse discharge

By designing an integrated coaxial electrode and cable device, the problems of electrode fixation and high cable temperature in underwater pulse discharge devices were solved. This enabled flexible electrode movement and simplified wiring, reduced cable temperature, and expanded the discharge control range.

CN223599240UActive Publication Date: 2025-11-25CHONGQING UNIV
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Patent Information

Application Number
CN202423275721.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-25
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The electrodes of existing underwater pulse discharge devices are usually fixed and difficult to move flexibly. The connection between the electrodes and the cables is complicated and the cables are hot and difficult to cool down, which affects practical use.

Method used

A coaxial electrode and cable integrated device was designed, including a flexible movable negative electrode, a coaxial cable and an integrated positive electrode. The coaxial cable structure is used to drive a fan for cooling through magnetic field induction, and hollow openings are set on the cable to diffuse the shock wave.

Benefits of technology

This allows for flexible electrode movement and simplified wiring, reduces cable temperature, expands the discharge control range, and improves the flexibility and safety of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a coaxial electrode and cable integrated device applied to pulse discharge in water, which comprises a metal base, a negative electrode is in threaded connection with the center of the upper surface of the metal base, and a first metal arm and a second metal arm are mounted at the top of the metal base. A first connecting block and a second connecting block are fixedly installed on the tops of the first metal arm and the second metal arm respectively, a coaxial cable is arranged between the first connecting block and the second connecting block, an integrated positive electrode and a connector are installed at the bottom end of the coaxial cable, and the tops of the first connecting block and the second connecting block are jointly and fixedly connected with an annular guide rail. An annular groove is formed in the lower surface of the annular guide rail, a closed coil is installed in the annular groove, two connecting sliding blocks are slidably connected to the annular guide rail, and a fan is fixedly installed at the tops of the two connecting sliding blocks; the negative electrode is in threaded connection with the metal base, negative electrodes with different lengths can be replaced according to requirements to regulate and control the discharge gap, negative electrodes with different curvature radiuses can be conveniently replaced, and actual use is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pulse discharge technical field, specifically, relate to a coaxial electrode, cable integration device for water pulse discharge. BACKGROUND

[0002] The shock wave and strong electric field generated by pulse discharge can remove impurities such as dirt, oil and rust on the surface of the material, clean the surface of the material, and provide good surface conditions for subsequent processing or treatment. For example, in the surface pretreatment of metal materials, pulse discharge cleaning can improve the surface quality and adhesion of the material. Water pulse discharge devices are widely used in sand cleaning of castings, stone crushing, workpiece forming, spraying and other fields. However, the prior art has the following disadvantages when in use:

[0003] The electrode in the water pulse discharge device is usually fixed, especially the negative electrode is usually connected with the steel barrel itself. For some application scenarios that need to be moved flexibly, such as moving the electrode for cleaning different areas, it is inconvenient. At the same time, the connection between the electrode and the cable is not designed in a coaxial integrated manner, causing complex wiring. At the same time, the cable has a high temperature when in use, and it is difficult to cool the cable, which is not conducive to actual use.

[0004] Therefore, there is an urgent need for a coaxial electrode and cable integration device for water pulse discharge to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at: for the existing water pulse discharge device, the electrode is usually fixed, especially the negative electrode is usually connected with the steel barrel itself. For some application scenarios that need to be moved flexibly, such as moving the electrode for cleaning different areas, it is inconvenient. At the same time, the connection between the electrode and the cable is not designed in a coaxial integrated manner, causing complex wiring. At the same time, the cable has a high temperature when in use, and it is difficult to cool the cable, which is not conducive to actual use.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A coaxial electrode and cable integration device for water pulse discharge is provided to improve the above problems.

[0008] The application is as follows:

[0009] The application discloses a coaxial electrode and cable integrated device applied to underwater pulse discharge, which comprises a metal base, a negative electrode is threadedly connected at the center of the upper surface of the metal base, first and second metal arms are installed on the top of the metal base, first and second connecting blocks are fixedly installed on the top of the first and second metal arms respectively, a coaxial cable is arranged between the first and second connecting blocks, an integrated positive electrode and a connector are installed at the bottom end of the coaxial cable, a ring-shaped guide rail is fixedly connected on the top of the first and second connecting blocks, a ring-shaped groove is formed in the lower surface of the ring-shaped guide rail, a closed coil is installed in the ring-shaped groove, two connecting sliding blocks are slidably connected on the ring-shaped guide rail, and a fan is fixedly installed on the top of the two connecting sliding blocks.

[0010] As a preferred technical scheme of the application, the clamping mechanism comprises first and second metal clamping rings above the first and second connecting blocks, two fixed plates are fixedly connected to the bottom of the first metal clamping ring, a connecting rod is fixedly connected to the top of the first connecting block, and the second metal clamping ring is rotatably sleeved on the connecting rod.

[0011] As a preferred technical scheme of the application, a fixing bolt is threadedly arranged on the second metal clamping ring, and a threaded hole matched with the fixing bolt is formed in the first metal clamping ring.

[0012] As a preferred technical scheme of the application, the coaxial cable comprises an outer insulating layer, a shielding layer, an inner insulating layer and a core wire.

[0013] As a preferred technical scheme of the application, the inner insulating layer is coated outside the core wire, the shielding layer is coated outside the inner insulating layer, and the outer insulating layer is coated outside the shielding layer.

[0014] As a preferred technical scheme of the application, a plurality of hollow openings are formed in the metal base in a circumferential equiangular arrangement.

[0015] As a preferred technical scheme of the application, the coaxial cable is located between the first and second metal clamping rings and is in close contact with the first and second metal clamping rings on the outer surface of the coaxial cable.

[0016] As a preferred technical scheme of the application, two limiting rings are fixedly sleeved on the connecting rod, and the two limiting rings are in close contact with the second metal clamping ring.

[0017] As a preferred technical scheme of the present application, the two fixing plates are respectively fixedly connected with the first connecting block and the second connecting block, the first connecting block and the second connecting block are symmetrically distributed about the central axis of the metal base, and the first connecting block and the second connecting block are of the same specification.

[0018] As a preferred technical scheme of the present application, the first metal arm and the second metal arm are of the same specification, and the first metal arm and the second metal arm are both V-shaped.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] In the scheme of the present application:

[0021] 1. The device is integrally movable, increasing the flexibility of the negative electrode pulse discharge in water and being flexible to different application scenarios.

[0022] 2. The integral positive electrode and the connector are mounted on the end of the coaxial cable, so that they form an integral structure with the coaxial cable, facilitating subsequent wiring and reducing the complexity of wiring.

[0023] 3. The first metal arm and the second metal arm facilitate subsequent transmission of electric energy, while avoiding blocking the passage of shock waves generated by discharge between the electrodes.

[0024] 4. The negative electrode is threadedly connected to the metal base, so that different lengths of negative electrodes can be replaced according to requirements to regulate the discharge gap, and different radii of curvature of negative electrodes can also be replaced, thereby expanding the regulation range of the water pulse discharge and improving the compactness of the electrode.

[0025] 5. When the negative electrode breaks down and causes the shock wave to spread outward, the shock wave can spread outward through the plurality of hollow openings.

[0026] 6. When the coaxial cable is powered, following Ampere's law, a magnetic field is generated around the conductor when current passes through it. Therefore, a magnetic field is generated around the coaxial cable. According to Faraday's law of electromagnetic induction, when the magnetic flux passing through the closed loop changes, an induced electromotive force and an induced current are generated in the closed loop. The induced current and induced electromotive force drive the fan to rotate, and the two connecting sliding blocks move in a circular motion on the annular guide rail. The rotating fan blows air outward, which can cool the coaxial cable.

[0027] 7. The first metal clamp ring, the second metal clamp ring, the fixing bolt and the screw hole cooperate to facilitate the fixation of the coaxial cable and prevent the coaxial cable from shifting. This facilitates subsequent operation. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1A whole structure schematic diagram of a coaxial electrode and cable integrated device applied to underwater pulse discharge is provided.

[0029] Figure 2 A front view structure schematic diagram of a coaxial electrode and cable integrated device applied to underwater pulse discharge is provided.

[0030] Figure 3 A connection structure schematic diagram of a second metal clamp ring and a fixing bolt in a coaxial electrode and cable integrated device applied to underwater pulse discharge is provided.

[0031] Figure 4 A structure schematic diagram of a first metal clamp ring in a coaxial electrode and cable integrated device applied to underwater pulse discharge is provided.

[0032] Figure 5 A connection structure schematic diagram of a fan and a connection sliding block in a coaxial electrode and cable integrated device applied to underwater pulse discharge is provided.

[0033] Figure 6 A cross-section structure schematic diagram of a coaxial cable in a coaxial electrode and cable integrated device applied to underwater pulse discharge is provided.

[0034] Indicated in the figure:

[0035] 1, metal base; 2, negative electrode; 3, first metal arm; 4, second metal arm; 5, first connecting block; 6, second connecting block; 7, coaxial cable; 8, integrated positive electrode and connector; 9, annular guide rail; 701, outer insulation layer; 702, shielding layer; 703, inner insulation layer; 704, core wire; 10, annular groove; 11, closed coil; 12, connection sliding block; 13, fan; 14, first metal clamp ring; 15, second metal clamp ring; 16, fixed plate; 17, connecting rod; 18, fixing bolt; 19, screw hole; 20, hollow opening; 21, limiting ring. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0037] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but merely to represent the particular embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts are within the scope of the present application.

[0038] It should be noted that the embodiments and features and technical solutions in the embodiments of the present application can be combined with each other without conflict.

[0039] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0040] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the product of the present application is used, or the orientation or position relationship commonly understood by those skilled in the art, such terms are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0041] Embodiment:

[0042] As Figures 1-6As shown, the coaxial electrode and cable integrated device for underwater pulse discharge proposed in the embodiment comprises a metal base 1, a negative electrode 2 is threadedly connected to the center of the upper surface of the metal base 1, the device can be placed flexibly at a position where pulse discharge in water is needed, and the flexibility of the negative electrode 2 for pulse discharge in water is increased. The negative electrode 2 is threadedly connected to the metal base 1, and different lengths of the negative electrode 2 can be replaced according to requirements to regulate the discharge gap, or different curvature radii of the negative electrode 2 can be replaced to expand the regulation range of the pulse discharge in water and improve the compactness of the electrode. A first metal arm 3 and a second metal arm 4 are installed on the top of the metal base 1, a first connecting block 5 and a second connecting block 6 are fixedly installed on the top of the first metal arm 3 and the second metal arm 4 respectively, the first metal arm 3 and the second metal arm 4 facilitate subsequent transmission of electric energy and can avoid blocking the passage of shock waves generated by discharge between the electrodes. A coaxial cable 7 is arranged between the first connecting block 5 and the second connecting block 6, and an integrated positive electrode and connector 8 is installed at the bottom end of the coaxial cable 7. When the coaxial cable 7 is electrified, it follows Ampere's law. When electric current passes through a conductor, a magnetic field is generated around the conductor. Therefore, a magnetic field is generated around the coaxial cable 7. A ring-shaped guide rail 9 is fixedly connected to the top of the first connecting block 5 and the second connecting block 6, a ring-shaped groove 10 is formed in the lower surface of the ring-shaped guide rail 9, and a closed coil 11 is installed in the ring-shaped groove 10. Two connecting sliding blocks 12 are slidingly connected to the ring-shaped guide rail 9, and a fan 13 is fixedly installed on the top of the two connecting sliding blocks 12. According to Faraday's law of electromagnetic induction, when the magnetic flux passing through the closed coil 11 changes, an induced electromotive force and an induced current are generated in the closed coil 11. The induced current and the induced electromotive force drive the fan 13 to rotate. The two connecting sliding blocks 12 make circular motion on the ring-shaped guide rail 9, and the rotating fan 13 blows air outward to cool the coaxial cable 7. A clamping mechanism is arranged on the top of the first connecting block 5 and the second connecting block 6. The clamping mechanism can fix the coaxial cable 7 and prevent the coaxial cable 7 from deviating.

[0043] As shown in Figure 1 and Figure 2 , the clamping mechanism comprises a first metal clamping ring 14 and a second metal clamping ring 15 arranged above the first connecting block 5 and the second connecting block 6. Two fixed plates 16 are fixedly connected to the bottom of the first metal clamping ring 14, a connecting rod 17 is fixedly connected to the top of the first connecting block 5, and the second metal clamping ring 15 is rotatably sleeved on the connecting rod 17. One end of the coaxial cable 7 passes through the fan 13, the second metal clamping ring 15 is rotated to make the second metal clamping ring 15 fit the first metal clamping ring 14, and at this time, the coaxial cable 7 is located between the first metal clamping ring 14 and the second metal clamping ring 15.

[0044] As shown in Figure 2 and Figure 4As shown, the second metal clamp ring 15 is provided with a fixed bolt 18 threaded through, and the first metal clamp ring 14 is provided with a threaded hole 19 matched with the fixed bolt 18. By rotating the fixed bolt 18, one end of the fixed bolt 18 is located in the threaded hole 19, so as to fix the coaxial cable 7, facilitating subsequent operation.

[0045] As shown in Figure 6 , the coaxial cable 7 comprises an outer insulating layer 701, a shielding layer 702, an inner insulating layer 703 and a core wire 704.

[0046] As shown in Figure 6 , the inner insulating layer 703 is wrapped outside the core wire 704, the shielding layer 702 is wrapped outside the inner insulating layer 703, and the outer insulating layer 701 is wrapped outside the shielding layer 702. When the worker contacts the coaxial cable 7, the safety during contact can be ensured by cooperation of the outer insulating layer 701 and the shielding layer 702, and electric shock phenomenon will not occur.

[0047] As shown in Figure 1 , a plurality of hollow openings 20 are arranged at equal angles on the metal base 1. When the negative electrode 2 is broken down to cause the outward diffusion of the shock wave, the shock wave can diffuse outward through the plurality of hollow openings 20.

[0048] As shown in Figure 1 and Figure 2 , the coaxial cable 7 is located between the first metal clamp ring 14 and the second metal clamp ring 15, and the outer surface of the coaxial cable 7 is respectively attached to the first metal clamp ring 14 and the second metal clamp ring 15. The first metal clamp ring 14 is attached to the second metal clamp ring 15.

[0049] As shown in Figure 3 , two limiting rings 21 are fixedly sleeved on the connecting rod 17, and the two limiting rings 21 are attached to the second metal clamp ring 15. By arranging the two limiting rings 21, the second metal clamp ring 15 can be limited in the vertical direction.

[0050] As shown in Figure 1 and Figure 2 , the two fixed plates 16 are respectively fixedly connected to the first connecting block 5 and the second connecting block 6. The first connecting block 5 and the second connecting block 6 are symmetrically distributed about the central axis of the metal base 1, and the first connecting block 5 and the second connecting block 6 are of the same specification.

[0051] As shown in Figure 1 , the first metal arm 3 and the second metal arm 4 are of the same specification. The first metal arm 3 and the second metal arm 4 are both V-shaped. The first metal arm 3 and the second metal arm 4 provide support for the metal base 1 and can also transmit electric energy. The first metal arm 3 and the second metal arm 4 are thinner at both ends and thicker in the middle, which can avoid blocking the passage of the shock wave generated by the discharge between the electrodes, and is beneficial to actual use.

[0052] Specifically, the coaxial electrode and cable integrated device for water pulse discharge is used as follows: one end of the coaxial cable 7 is passed through the fan 13, the second metal clamping ring 15 is rotated to be attached to the first metal clamping ring 14, at this time, the coaxial cable 7 is located between the first metal clamping ring 14 and the second metal clamping ring 15, then the fixing bolt 18 is rotated to have one end of the fixing bolt 18 located in the screw hole 19, so as to fix the coaxial cable 7, then the device can be placed flexibly at a position where water pulse discharge is needed, the flexibility of the negative electrode 2 for water pulse discharge is increased, the negative electrode 2 is threadedly connected to the metal base 1, different lengths of the negative electrode 2 can be replaced according to requirements to regulate the discharge gap, different curvature radii of the negative electrode 2 can also be replaced, the regulation range of the water pulse discharge is expanded, the compactness of the electrode is improved, the integrated positive electrode and the connector 8 are installed at the end of the coaxial cable 7 to form an integrated structure with the coaxial cable 7, so as to facilitate subsequent wiring and reduce the complexity of the wiring, the first metal arm 3 and the second metal arm 4 facilitate subsequent transmission of electric energy and can avoid blocking the passage of the shock wave generated by the discharge between the electrodes, when the negative electrode 2 is broken down to cause the shock wave to spread outward, the shock wave can spread outward through the plurality of hollow openings 20, when the coaxial cable 7 is powered, the ampere law is followed, when the current passes through the conductor, a magnetic field is generated around the conductor, therefore, a magnetic field is generated around the coaxial cable 7, according to the Faraday's law of electromagnetic induction, when the magnetic flux passing through the closed coil 11 changes, an induced electromotive force and an induced current are generated in the closed coil 11, the induced current and the induced electromotive force drive the fan 13 to rotate, the two connecting sliding blocks 12 make circular motion on the annular guide rail 9, the fan 13 is rotated to blow air outward, so as to cool the coaxial cable 7, after the coaxial cable 7 is powered, the closed coil 11 can be matched to complete the cooling, without the need for an additional power source, the structure is simple and beneficial to actual promotion.

[0053] The above embodiments are only used to illustrate the technical solutions described in the utility model and not limit the utility model, although the utility model has been described in detail with reference to the above embodiments, the utility model is not limited to the above specific embodiments, therefore, any modification or equivalent replacement of the utility model, and all technical solutions and improvements without departing from the spirit and scope of the utility model are covered in the claim range of the utility model.

Claims

1. A coaxial electrode, cable integrated device applied to underwater pulse discharge, comprising a metal base (1), characterized in that, The metal base (1) is provided with a negative electrode (2) at the center of the upper surface, and the top of the metal base (1) is provided with a first metal arm (3) and a second metal arm (4), and the top of the first metal arm (3) and the second metal arm (4) is respectively provided with a first connecting block (5) and a second connecting block (6), and a coaxial cable (7) is arranged between the first connecting block (5) and the second connecting block (6), and the bottom end of the coaxial cable (7) is provided with an integrated positive electrode and connector (8), and the top of the first connecting block (5) and the second connecting block (6) is commonly provided with an annular guide rail (9), and the lower surface of the annular guide rail (9) is provided with an annular groove (10), and the annular groove (10) is provided with a closed coil (11), and the annular guide rail (9) is provided with two connecting sliding blocks (12), and the top of the two connecting sliding blocks (12) is commonly provided with a fan (13), and the top of the first connecting block (5) and the second connecting block (6) is provided with a clamping mechanism.

2. The coaxial electrode and cable integrated device for underwater pulse discharge according to claim 1, characterized in that, The clamping mechanism comprises a first metal clamping ring (14) and a second metal clamping ring (15) above the first connecting block (5) and the second connecting block (6), the bottom of the first metal clamping ring (14) is fixedly connected with two fixed plates (16), the top of the first connecting block (5) is fixedly connected with a connecting rod (17), and the second metal clamping ring (15) is rotatably sleeved on the connecting rod (17).

3. The coaxial electrode and cable integrated device for underwater pulse discharge according to claim 2, characterized in that, The second metal clamping ring (15) is provided with a fixed bolt (18) threaded through, and the first metal clamping ring (14) is provided with a threaded hole (19) matched with the fixed bolt (18).

4. The coaxial electrode and cable integrated device for underwater pulse discharge according to claim 1, characterized in that, The coaxial cable (7) comprises an outer insulating layer (701), a shielding layer (702), an inner insulating layer (703) and a core wire (704).

5. The coaxial electrode and cable integrated device for underwater pulse discharge according to claim 4, characterized in that, The inner insulating layer (703) is wrapped outside the core wire (704), the shielding layer (702) is wrapped outside the inner insulating layer (703), and the outer insulating layer (701) is wrapped outside the shielding layer (702).

6. The coaxial electrode and cable integrated device for underwater pulse discharge according to claim 1, characterized in that, A plurality of hollow openings (20) are arranged on the metal base (1) in a circumferential equiangular manner.

7. The coaxial electrode and cable integrated device for underwater pulse discharge according to claim 2, characterized in that, The coaxial cable (7) is located between the first metal clamping ring (14) and the second metal clamping ring (15), and the outer surface of the coaxial cable (7) is respectively matched with the first metal clamping ring (14) and the second metal clamping ring (15).

8. The coaxial electrode and cable integrated device for underwater pulse discharge according to claim 2, characterized in that, The connecting rod (17) is fixedly sleeved with two limiting rings (21), and the two limiting rings (21) are matched with the second metal clamping ring (15).

9. The coaxial electrode and cable integrated device for underwater pulse discharge according to claim 2, characterized in that, The two fixed plates (16) are respectively fixedly connected with the first connecting block (5) and the second connecting block (6), the first connecting block (5) and the second connecting block (6) are symmetrically distributed about the central axis of the metal base (1), and the first connecting block (5) and the second connecting block (6) are consistent in specification.

10. The coaxial electrode and cable integrated device for underwater pulse discharge according to claim 1, characterized in that, The first metal arm (3) and the second metal arm (4) are consistent in specification, and the first metal arm (3) and the second metal arm (4) are both V-shaped.