Mounting seat for high-voltage current transformer
By designing a mounting base that requires no special tools, the limitations of high-voltage current transformer assembly and disassembly operations have been solved, simplifying the installation and disassembly process and improving operational safety and convenience.
Patent Information
- Application Number
- CN202520359942.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-04
AI Technical Summary
The existing installation method for high-voltage current transformers requires specific wrenches, which greatly limits the disassembly and assembly operations and makes them inconvenient to disassemble and assemble.
Design a mounting base including a connecting plate, a support frame, a fixing plate, an adjusting rod, a clamping plate, and a locking rod. By pressing and squeezing the plate and locking rod, installation and disassembly can be achieved without special tools.
It simplifies the installation and disassembly process of current transformers, improves operational safety, avoids the risk of tools slipping and falling, and facilitates daily maintenance and emergency repairs.
Smart Images

Figure CN223857963U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to current transformer technical field, concretely is a mounting seat for high voltage current transformer. BACKGROUND
[0002] High voltage current transformer is a kind of special transformer, mainly used in power system, its main function is to transform the large current in high voltage line into smaller measurable current according to certain proportion, to facilitate the electric energy metering, protection and control, high voltage current transformer can reduce the large current in high voltage line according to proportion, to facilitate connection to electric energy meter for accurate measurement. This is very important for electric power company and user, because they need to accurately calculate the electric energy consumption, in short, high voltage current transformer plays a vital role in power system, is the important equipment to ensure the safe, stable, economic operation of power system.
[0003] Through the retrieval, the utility model discloses a high voltage current transformer's mounting structure by high voltage current transformer, current-carrying device, CT support, distribution device side wall upper portion reinforcing rib, distribution device side wall lower portion reinforcing rib, distribution device side wall, distribution device ontology, distribution device side wall upper welding stud, CT support and distribution device side wall connection's threaded sleeve, CT support and distribution device side wall connection's nut are formed, the utility model is applied to new energy high voltage distribution device, greatly reduce the overall volume of product, increase the environmental adaptability of product, improve the reliability of product operation.
[0004] But the above design still has some shortcomings, the above design greatly reduces the overall volume of product, increases the environmental adaptability of product, improves the reliability of product operation, however the high voltage current transformer in this patent is installed and fixed by stud nut, so that personnel needs specific wrench tool when disassembling, and the disassembly operation has high limitation, is inconvenient to disassemble, therefore, we propose a mounting seat for high voltage current transformer to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model is to provide a mounting seat for high voltage current transformer to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: A mounting seat for high -voltage current mutual inductor, including connecting plate and protection shell, the inner wall of connecting plate is connected with two support frame, the side of each support frame is connected with a group of fixed plate, the inner wall of each group of fixed plate is connected with adjusting rod, the one end of each group of adjusting rod is connected with clamping plate, the upper surface of protection shell is connected with two limit plates, the upper surface of protection shell is provided with pull -out board, the inner wall of pull -out board is connected with two locking rods of sliding, the side of each locking rod is connected with pinch -out board, the one end of each pinch -out board is connected with return spring.
[0007] Among them, the bottom surface of connecting plate is connected with buffer ring, and a group of fixed holes are formed in the upper surface of buffer ring.
[0008] Among them, the back of protection shell is connected with terminal box, a group of heat dissipation holes are formed in the back of protection shell, and the front of protection shell is hinged with baffle.
[0009] Among them, the bottom surface of pull -out board is connected with connecting block, and the bottom surface of connecting block is connected with fixed frame.
[0010] Among them, the inner wall of fixed frame is provided with current sensor, and the front of current sensor is connected with current -carrying device.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The utility model discloses through pinch -out board and utilize the cooperation of locking rod and limit plate, and staff can not use special tool and can easily put current mutual inductor into or take out support frame, simplifies the installation and dismounting process, avoids the security risk that the use spanner etc. possibly bring, such as slippage, tool drop -off etc., improves the security of operation, and the design of adjusting rod makes clamping plate can adjust easily, to fix or release mutual inductor, is convenient for daily maintenance and emergency repair. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the front view angle stereoscopic structure schematic diagram of the utility model for high -voltage current mutual inductor's mounting seat;
[0014] Figure 2 It is the rear view angle stereoscopic structure schematic diagram of the utility model for high -voltage current mutual inductor's mounting seat;
[0015] Figure 3 It is the upper view angle stereoscopic structure schematic diagram of the utility model for high -voltage current mutual inductor's mounting seat;
[0016] Figure 4The utility model relates to a mounting seat for high voltage current transformer
[0017] Figure 5 The utility model relates to a mounting seat for high voltage current transformer Figure 3 The utility model relates to a mounting seat for high voltage current transformer
[0018] In the figure: 1, connecting plate; 2, fixed hole; 3, buffer ring; 4, baffle; 5, pinch dynamic board; 6, protective shell; 7, heat dissipation hole; 8, terminal box; 9, pull plate; 10, limiting plate; 11, current sensor; 12, connecting block; 13, fixed plate; 14, adjusting rod; 15, support frame; 16, fixed frame; 17, clamping plate; 18, current-carrying device; 19, reset spring; 20, locking rod. DETAILED DESCRIPTION
[0019] The utility model discloses an embodiment will be clearly and completely described below in the embodiment of the utility model, obviously, the described embodiment only is a part of embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor belong to the range of protection of the utility model.
[0020] Please refer to Figures 1-5 The utility model provides a mounting seat for high voltage current transformer, including connecting plate 1 and protective shell 6, the inner wall of connecting plate 1 is connected with two support frames 15, and each support frame 15 is connected with a group of fixed plates 13 on the side face close to each other, the inner wall of each group of fixed plates 13 is connected with adjusting rod 14, and one end of each group of adjusting rod 14 is connected with clamping plate 17, the upper surface of protective shell 6 is connected with two limiting plates 10, the upper surface of protective shell 6 is provided with pull plate 9, and the inner wall of pull plate 9 is slidably connected with two locking rods 20, and the side face close to each other of each locking rod 20 is connected with pinch dynamic board 5, and the end close to each other of each pinch dynamic board 5 is connected with reset spring 19.
[0021] Among them, the bottom of connecting plate 1 is connected with buffer ring 3, and buffer ring 3 can absorb and alleviate the vibration and impact generated in the operation of power system, protect current transformer from mechanical damage, prolong its service life, and a group of fixed holes 2 are formed in the upper surface of buffer ring 3.
[0022] Among them, the back of protective shell 6 is connected with terminal box 8, a group of heat dissipation holes 7 are formed in the back of protective shell 6, the heat dissipation hole 7 formed in the back of protective shell 6 helps the heat dissipation of current transformer, prevents the heat accumulation generated by long time operation, thereby improves the stability and service life of equipment, and the front of protective shell 6 is hinged with baffle 4.
[0023] The bottom surface of the pulling plate 9 is connected with a connecting block 12, the connecting block 12 is used as an intermediate part connecting the pulling plate 9 and the fixing frame 16, the structure stability of the whole mounting seat is enhanced, the current transformer is more firm after installation, and the bottom surface of the connecting block 12 is connected with the fixing frame 16.
[0024] The inner wall of the fixing frame 16 is provided with the current sensor 11, the front surface of the current sensor 11 is connected with the current-carrying device 18, the current sensor 11 is located in the fixing frame 16, the current sensor 11 can be quickly connected and disconnected through the current-carrying device 18, and the maintenance and replacement of the sensor are facilitated.
[0025] Working principle: when in use, first, the connecting plate 1 is fixed at a proper position through the fixing hole 2, the bottom buffer ring 3 is used to reduce vibration and impact, the baffle 4 and the pinch plate 5 provide front and back protection of the protective shell 6, the heat dissipation hole 7 is located at the back of the protective shell 6, heat dissipation of the equipment is facilitated, the junction box 8 is located at the back of the protective shell 6, secondary wiring is facilitated, then the current transformer can be easily put into and taken out from the supporting frame 15 through the cooperation of the locking rod 20 and the limiting plate 10 by the staff pressing the pinch plate 5, then the transformer is fixed through the rotating adjusting rod 14 and the clamping plate 17, the piezoelectric current transformer is installed and fixed through the stud nut, personnel needs a special wrench tool when disassembling, the disassembling operation has high limitation, and the disassembling is inconvenient.
[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A mounting base for a high voltage current transformer comprising a connection plate (1) and a protective casing (6), characterized in that: The inner wall of the connecting plate (1) is connected with two support frames (15), the side face of each support frame (15) is connected with a group of fixed plates (13), the inner wall of each group of fixed plates (13) is connected with an adjusting rod (14), one end of each group of adjusting rods (14) is connected with a clamping plate (17), the upper surface of the protective shell (6) is connected with two limiting plates (10), the upper surface of the protective shell (6) is provided with a pulling plate (9), the inner wall of the pulling plate (9) is slidably connected with two locking rods (20), the side face of each locking rod (20) is connected with a pinching plate (5), and the end of each pinching plate (5) is connected with a reset spring (19).
2. The mounting base for a high voltage current transformer of claim 1, wherein: The bottom surface of the connecting plate (1) is connected with a buffer ring (3), and the upper surface of the buffer ring (3) is provided with a group of fixed holes (2).
3. The mounting base for a high voltage current transformer of claim 1, wherein: The back surface of the protective shell (6) is connected with a junction box (8), the back surface of the protective shell (6) is provided with a group of heat dissipation holes (7), and the front surface of the protective shell (6) is hingedly connected with a baffle (4).
4. The mounting base for a high voltage current transformer of claim 1, wherein: The bottom surface of the pulling plate (9) is connected with a connecting block (12), and the bottom surface of the connecting block (12) is connected with a fixed frame (16).
5. A mounting base for a high voltage current transformer according to claim 4, characterized in that: The inner wall of the fixed frame (16) is provided with a current sensor (11), and the front surface of the current sensor (11) is connected with a current-carrying device (18).