Special connecting and supporting structure inside gas mutual inductor

Abstract

The utility model relates to the technical field of mutual inductor manufacturing, in particular to a special connecting and supporting structure for the interior of a gas mutual inductor, which comprises a shell, a connecting component, a primary conductor, a fixing ring and a supporting component, a connecting assembly is arranged in the shell and comprises a base plate, a supporting insulator, a flange, a countersunk bolt, a flat washer, an elastic washer, a secondary shielding cover, an arc-shaped protruding block, a first hole channel, a second hole channel, a hook-shaped block and a third hole channel. A flange is arranged in the shell, a hook-shaped block is arranged at the bottom of the flange, a third hole channel is formed in the flange, a first hole channel is formed in the flange, the hook-shaped block is bent inwards to be in a hook shape, the bottom of the connecting assembly is in threaded connection with a supporting assembly, a fixing ring is arranged on the outer side of the shell, and a primary conductor is connected to the inner wall of the shell and the inner wall of the fixing ring in a penetrating mode; through a simple design and installation mode, the supporting of the mutual inductor and the effect of changing an electric field are guaranteed, and the practical effect of the structure is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of instrument transformer manufacturing technology, and in particular to a special connection and support structure for the internal structure of a gas instrument transformer. Background Technology

[0002] During the process of supporting the internal connections of gas transformers, gas transformers are usually used as important measurement and protection devices. They are fixed and supported by metal brackets or plastic frames. In this process, the internal support structure of the gas transformer is needed to ensure that subsequent work can be carried out normally and in an orderly manner.

[0003] Most gas transformers currently use metal brackets or plastic frames for internal connection and support. These structures are often complex in design and cumbersome in assembly, resulting in a high failure rate during use. Furthermore, they are prone to aging and deformation after long-term operation, leading to poor performance.

[0004] Therefore, in view of the complex design, cumbersome assembly, and easy aging of existing gas transformer connection support, a special connection support structure for the inside of gas transformer can be designed. This structure ensures the support of the transformer and the effect of changing the electric field through simple design and installation, thereby enhancing the practical effect of the structure. Utility Model Content

[0005] To overcome the problems of complex internal connection and support structures in most gas transformers, which are often complicated to design and cumbersome to assemble, resulting in a high failure rate and easy aging and deformation after long-term operation, thus leading to poor performance.

[0006] The technical solution of this utility model is as follows: a dedicated connection support structure for the inside of a gas transformer, comprising a housing, a connection assembly, a primary conductor, a fixing ring, and a support assembly; the housing contains a connection assembly, which includes a base, a support insulator, a flange, countersunk bolts, flat washers, spring washers, a secondary shield, an arc-shaped protrusion, a first channel, a second channel, a hook-shaped block, and a third channel; the housing contains a flange, the bottom of which has a hook-shaped block, and the flange has multiple sets of third channels; the flange has a first channel; the hook-shaped block is bent inward into a hook shape; the bottom of the connection assembly is threadedly connected to the support assembly; the outer side of the housing contains two sets of fixing rings; and the inner walls of the housing and the fixing ring are connected by a primary conductor.

[0007] Preferably, fixing rings are clearly installed on both sides of the housing, and a primary conductor runs through the housing and the fixing rings. Simultaneously, countersunk bolts are used to fix the housing and the chassis. Flat washers and spring washers are placed on the outer side of the countersunk bolts. The supporting insulator is fixed to the upper end face of the chassis using the countersunk bolts, flat washers, and spring washers. A flange is fixedly installed on the upper end face of the supporting insulator through a third channel, countersunk bolts, flat washers, and spring washers. An arc-shaped protrusion is fixedly installed on the upper end face of the flange, and a secondary shield is fixedly installed using the arc-shaped protrusion. A second channel is opened in the chassis, and the supporting components are connected to the chassis via threads. Thus, the flange serves both to connect the secondary shield and the supporting insulator, and also to support the weight of the entire secondary shield. Furthermore, the cooperation between the flange and the hook-shaped block improves the electric field, enhancing the practical value of the device.

[0008] Preferably, the upper end face of the flange is provided with an arc-shaped protrusion, and there are two sets of arc-shaped protrusions. The upper end face of the arc-shaped protrusion is threaded with a secondary shield. The bottom of the shell is provided with a chassis, and the upper end face of the chassis is provided with a supporting insulator. There are multiple sets of supporting insulators. The chassis is provided with a second channel.

[0009] Preferably, the third channel is equipped with countersunk bolts, and multiple sets of countersunk bolts are provided. Flat washers and spring washers are provided on the outside of the countersunk bolts. Multiple sets of countersunk bolts and flat washers are provided.

[0010] Preferably, the support assembly includes a connecting block, a bottom block, a base, a secondary junction box, a sulfur hexafluoride inlet pipe, a connecting piece, a solenoid valve, a composite insulating sleeve, a high-strength sleeve, a groove, a fourth channel, a bearing plate, an alarm, a density relay, and secondary leads; the bottom of the chassis is threadedly connected to the connecting block, and the bottom block is provided below the connecting block, with a fourth channel and a groove.

[0011] Preferably, a high-strength sleeve is installed inside the fourth channel, the high-strength sleeve is connected to the chassis through the connecting block, and a composite insulating sleeve is installed on the outside of the high-strength sleeve.

[0012] Preferably, a connecting piece is provided on the outer side of the housing, and two sets of connecting pieces are provided. A sulfur hexafluoride inlet pipe is provided on one side of the connecting piece, and an outlet pipe is provided on the other side of the connecting piece. A solenoid valve is provided on the upper end face of the outlet pipe.

[0013] Preferably, the bottom of the base block is threadedly connected to a base, a secondary junction box is provided on one side of the base, a secondary lead wire is connected through the side of the secondary junction box and the interior of the base, a support plate is provided on one side of the base, an alarm is provided on the upper surface of the support plate, and a density relay is provided on the upper surface of the support plate.

[0014] The beneficial effects of this utility model are:

[0015] 1. The housing and chassis are fixedly connected by countersunk bolts. Flat washers and spring washers are placed on the outside of the countersunk bolts. The supporting insulator is fixed to the upper end face of the chassis by the countersunk bolts, flat washers, and spring washers. The flange is fixed and installed on the upper end face of the supporting insulator through the third channel, countersunk bolts, flat washers, and spring washers. The arc-shaped protrusion is fixed and installed on the upper end face of the flange. The secondary shielding cover is fixed and installed by the arc-shaped protrusion. The second channel is opened in the chassis, and the supporting components are connected by threads on the chassis. Thus, the flange not only connects the secondary shielding cover and the supporting insulator, but also supports the weight of the entire secondary shielding cover. At the same time, the cooperation between the flange and the hook-shaped block improves the electric field and enhances the practical value of the device. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of a dedicated internal connection and support structure for a gas transformer according to this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of a connection component of a dedicated connection support structure for the internal connection of a gas transformer according to this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional structural schematic of a flange for a dedicated internal connection and support structure of a gas transformer according to this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of a support component for a dedicated internal connection support structure of a gas transformer according to this utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Housing; 3. Primary conductor; 4. Fixing ring; 101. Base; 102. Supporting insulator; 103. Flange; 104. Countersunk bolt; 105. Flat washer; 106. Spring washer; 107. Secondary shield; 108. Arc-shaped protrusion; 109. First channel; 110. Second channel; 111. Hook-shaped block; 112. Third channel; 201. Connecting block; 202. Bottom block; 203. Base; 204. Secondary junction box; 205. Sulfur hexafluoride inlet pipe; 206. Connecting piece; 207. Solenoid valve; 208. Composite insulating sleeve; 209. High-strength sleeve; 210. Groove; 211. Fourth channel; 212. Bearing plate; 213. Alarm; 214. Density relay; 215. Secondary lead wire; 216. Gas outlet pipe. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-4This utility model provides an embodiment: a dedicated connection and support structure for the inside of a gas transformer, including a housing 1, a connection assembly, a primary conductor 3, a fixing ring 4, and a support assembly; the housing 1 is equipped with a connection assembly, which includes a base 101, a support insulator 102, a flange 103, countersunk bolts 104, flat washers 105, spring washers 106, a secondary shield 107, an arc-shaped protrusion 108, a first channel 109, a second channel 110, a hook-shaped block 111, and... The third channel 112; a flange 103 is provided inside the housing 1, a hook-shaped block 111 is provided at the bottom of the flange 103, the flange 103 has a third channel 112, and multiple sets of the third channel 112 are provided. The flange 103 has a first channel 109. The hook-shaped block 111 is configured to be bent inward into a hook shape. A support component is threaded to the bottom of the connecting component. A fixing ring 4 is provided on the outside of the housing 1. Two sets of fixing rings 4 are provided. A primary conductor 3 is connected through the inner wall of the housing 1 and the fixing ring 4.

[0023] Please see Figures 2-3 In this embodiment, the upper end face of the flange 103 is provided with an arc-shaped protrusion 108, and two sets of arc-shaped protrusions 108 are provided. The upper end face of the arc-shaped protrusions 108 is threadedly connected to a secondary shield 107. The bottom of the housing 1 is provided with a base 101, and the upper end face of the base 101 is provided with a supporting insulator 102, and multiple sets of supporting insulators 102 are provided. The base 101 has a second channel 110. The supporting insulators 102 are fastened to the base 101, and the flange 103 is supported by the supporting insulators 102. The flange 103 is connected to the flange 103 by countersunk bolts 104 and flat washers. The arc-shaped protrusion 108 is fastened to the arc-shaped protrusion 105 and the spring washer 106, and the secondary shield 107 is fastened to the arc-shaped protrusion 108 to ensure the support effect; the third channel 112 is provided with countersunk bolts 104, and multiple sets of countersunk bolts 104 are provided. Flat washers 105 and spring washers 106 are provided on the outside of the countersunk bolts 104. Multiple sets of countersunk bolts 104 and flat washers 105 are provided; the fastening effect between the parts structure is achieved through the cooperation of countersunk bolts 104, flat washers 105 and spring washers 106.

[0024] Please see Figures 1-4In this embodiment, the support assembly includes a connecting block 201, a bottom block 202, a base 203, a secondary junction box 204, a sulfur hexafluoride inlet pipe 205, a connecting piece 206, a solenoid valve 207, a composite insulating sleeve 208, a high-strength sleeve 209, a groove 210, a fourth channel 211, a bearing plate 212, an alarm 213, a density relay 214, and a secondary lead wire 215. The bottom of the chassis 101 is threadedly connected to the connecting block 201, and the bottom block 202 is located below the connecting block 201. The bottom block 202 has a fourth channel 211. The bottom block 202 has a groove 210; the cooperation between the connecting block 201 and the bottom block 202 ensures the normal and orderly progress of subsequent work; a high-strength sleeve 209 is installed inside the fourth channel 211, the high-strength sleeve 209 passes through the connecting block 201 and connects to the chassis 101, and a composite insulating sleeve 208 is installed on the outside of the high-strength sleeve 209; the cooperation between the composite insulating sleeve 208 and the high-strength sleeve 209 ensures the normal and orderly progress of subsequent work; a connecting piece 206 is installed on the outside of the shell 1, and two sets of connecting pieces 206 are provided. A sulfur hexafluoride (SF6) inlet pipe 205 is provided on one side of the connecting piece 206, and an outlet pipe 216 is provided on the other side. A solenoid valve 207 is provided on the upper end face of the outlet pipe 216. SF6 is supplied into the housing 1 through the SF6 inlet pipe 205, and air is discharged from the outlet pipe 216 through the cooperation of the outlet pipe 216 and the solenoid valve 207, utilizing the fact that SF6 is denser than air. This ensures that subsequent operations can proceed normally and orderly. A base 203 is threadedly connected to the bottom of the base block 202, and a secondary junction box is provided on one side of the base 203. 204. A secondary lead wire 215 is connected through one side of the secondary junction box 204 and the interior of the base 203. A support plate 212 is provided on one side of the base 203. An alarm 213 is provided on the upper surface of the support plate 212. A density relay 214 is provided on the upper surface of the support plate 212. The density relay 214 monitors the pressure inside the high-strength bushing 209 and the housing 1. The alarm 213 is used to sound an alarm. Through the cooperation of the secondary junction box 204 and the secondary lead wire 215, the high voltage is guided out, thereby achieving the effect of support and protection.

[0025] During support, a connecting block 201 is threaded onto the bottom of the chassis 101, and a high-strength sleeve 209 is fixedly installed inside the connecting block 201. A fourth channel 211 is formed in the bottom block 202, and the sleeve is fixed to the outside of the high-strength sleeve 209. A groove 210 is formed in the bottom block 202, and a composite insulating sleeve 208 is fixedly installed inside the groove 210. A base 203 is threaded onto the bottom of the bottom block 202, and a secondary junction box 204 is fixedly installed on one side of the base 203. A secondary lead wire 215 passes through the base 203 and connects to... A secondary junction box 204 is connected to a support plate 212 fixedly installed on one side of a base 203. An alarm 213 is fixedly installed on the upper surface of the support plate 212, and a density relay 214 is fixedly installed on the upper surface of the support plate 212. This ensures that the secondary lead 215 is connected to the secondary shield 107. Other lines are connected through the secondary junction box 204, thereby realizing the discharge of high voltage and ensuring the safety of equipment and personnel. Through the cooperation of the density relay 214 and the alarm 213, the density relay 214 monitors the pressure, and the alarm 213 provides an alarm effect.

[0026] Through the above steps, fixing rings 4 are clearly installed on both sides of the housing 1. A primary conductor 3 passes through the housing 1 and the fixing rings 4. At the same time, the housing 1 and the chassis 101 are fixedly connected by countersunk bolts 104. Flat washers 105 and spring washers 106 are placed on the outside of the countersunk bolts 104. The support insulator 102 is fixed to the upper end face of the chassis 101 by the countersunk bolts 104, flat washers 105 and spring washers 106. The upper end face of the support insulator 102 is connected by the third channel 112, countersunk bolts 104, flat washers 105 and spring washers 106. A fixed mounting flange 103 is used, and an arc-shaped protrusion 108 is fixedly mounted on the upper end face of the flange 103. The secondary shield 107 is fixedly mounted using the arc-shaped protrusion 108. A second channel 110 is opened in the base 101, and the support component is connected to the base 101 by threads. Thus, the flange 103 serves to connect the secondary shield 107 and support the insulator 102, and also supports the weight of the entire secondary shield 107. At the same time, the cooperation between the flange 103 and the hook-shaped block 111 improves the electric field and enhances the practical value of the device.

[0027] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A dedicated connection and support structure for the interior of a gas transformer, comprising a housing (1); characterized in that: It also includes a connecting assembly, a primary conductor (3), a fixing ring (4), and a support assembly; the connecting assembly is provided inside the housing (1), and the connecting assembly includes a chassis (101), a supporting insulator (102), a flange (103), a countersunk bolt (104), a flat washer (105), a spring washer (106), a secondary shield (107), an arc-shaped protrusion (108), a first channel (109), a second channel (110), a hook-shaped block (111), and a third channel (112); the housing (1) is provided inside the housing (1) Flange (103), the bottom of flange (103) is provided with hook block (111), flange (103) is provided with third channel (112), the third channel (112) is provided with multiple sets, flange (103) is provided with first channel (109), hook block (111) is configured to be bent inward into hook shape, the bottom of the connecting component is threadedly connected with support component, the outer side of housing (1) is provided with fixing ring (4), the fixing ring (4) is provided with two sets, the inner wall of housing (1) and fixing ring (4) is connected through a primary conductor (3).

2. The connection and support structure specifically designed for the internal structure of a gas transformer according to claim 1, characterized in that: The upper end face of the flange (103) is provided with an arc-shaped protrusion (108), and there are two sets of arc-shaped protrusions (108). The upper end face of the arc-shaped protrusions (108) is threaded with a secondary shield (107). The bottom of the housing (1) is provided with a chassis (101), and the upper end face of the chassis (101) is provided with a supporting insulator (102). There are multiple sets of supporting insulators (102). The chassis (101) is provided with a second channel (110).

3. The connection and support structure specifically designed for the internal structure of a gas transformer according to claim 1, characterized in that: The third channel (112) is equipped with countersunk bolts (104), and there are multiple sets of countersunk bolts (104). A flat washer (105) is provided on the outside of the countersunk bolts (104), and a spring washer (106) is provided on the outside of the countersunk bolts (104). There are multiple sets of countersunk bolts (104) and flat washers (105).

4. The connection and support structure specifically designed for the internal structure of a gas transformer according to claim 1, characterized in that: The support components include a connecting block (201), a bottom block (202), a base (203), a secondary junction box (204), a sulfur hexafluoride inlet pipe (205), a connecting piece (206), a solenoid valve (207), a composite insulating sleeve (208), a high-strength sleeve (209), a groove (210), a fourth channel (211), a bearing plate (212), an alarm (213), a density relay (214), and a secondary lead wire (215); the bottom of the chassis (101) is threadedly connected to the connecting block (201), and the bottom block (202) is provided below the connecting block (201). The bottom block (202) has a fourth channel (211) and a groove (210).

5. A dedicated connection and support structure for the internal structure of a gas transformer according to claim 4, characterized in that: The fourth channel (211) is equipped with a high-strength sleeve (209), which is connected to the chassis (101) through the connecting block (201). A composite insulating sleeve (208) is provided on the outside of the high-strength sleeve (209).

6. The connection and support structure specifically designed for the internal structure of a gas transformer according to claim 4, characterized in that: A connecting piece (206) is provided on the outside of the housing (1). There are two sets of connecting pieces (206). A sulfur hexafluoride inlet pipe (205) is provided on one side of the connecting piece (206). An outlet pipe (216) is provided on one side of the connecting piece (206). A solenoid valve (207) is provided on the upper end face of the outlet pipe (216).

7. A dedicated connection and support structure for the internal structure of a gas transformer according to claim 4, characterized in that: The bottom of the base block (202) is threadedly connected to the base (203). A secondary junction box (204) is provided on one side of the base (203). A secondary lead wire (215) is connected through the side of the secondary junction box (204) and the interior of the base (203). A support plate (212) is provided on one side of the base (203). An alarm (213) is provided on the upper surface of the support plate (212). A density relay (214) is provided on the upper surface of the support plate (212).

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