A current transformer for electric power engineering

Abstract

The utility model relates to the technical field of electric power engineering. The utility model discloses a current transformer for electric power engineering, including a transformer rectifier, a support plate, two fixed blocks and four connecting plates, wherein the support plate is located at the rear side of the transformer rectifier, the two fixed blocks are respectively located at the top and bottom of the front side of the support plate and are fixedly connected to the surface of the support plate, the four connecting plates are respectively located at the left and right sides of the top and bottom of the transformer rectifier and are fixedly connected to the surface of the transformer rectifier, and the surface of the connecting plate is in contact with the inner cavity of the fixed block. The utility model solves the problem that during the installation of the transformer rectifier, the support plate is required for auxiliary support, and during the combination of the transformer rectifier and the support plate, multiple connecting auxiliary parts are required to connect and fix the transformer rectifier and the support plate, and the process will consume more time and energy of the user, thereby reducing the convenience of the combination of the transformer rectifier.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power engineering, and in particular relates to a current transformer for electric power engineering. Background Art

[0002] The current transformation equipment used in power engineering is usually a combination of a transformer and a rectifier. The transformer is used to change the voltage, while the rectifier is used to convert AC power into DC power. In power systems, these devices are usually used to convert the electrical energy on high-voltage transmission lines into low-voltage DC power suitable for industrial, commercial and domestic use. Rectification equipment has a wide range of applications in industry, telecommunications, railways and other fields.

[0003] Transformer and rectifier equipment used in power engineering can convert electrical energy on high-voltage transmission lines into low-voltage direct current suitable for industrial, commercial and domestic use. This voltage conversion is to meet the demand for electrical energy in different fields, such as factory production equipment, commercial buildings, household electricity, etc. The rectifier can stably regulate the current in the process of converting AC power into DC power. This stable current output is essential for the normal operation of many equipment and systems, such as motors, computers, etc. Transformer and rectifier equipment can improve the quality of electrical energy, including reducing voltage fluctuations and harmonic content. This is very important for protecting equipment and improving the efficiency and safety of power grid operation. By effectively converting and regulating electrical energy, transformer and rectifier equipment can help achieve the goals of energy saving and environmental protection. This has positive significance for reducing energy waste and lowering carbon emissions. In general, transformer and rectifier equipment in power engineering plays an important role in power conversion, current stability, power quality improvement, energy conservation and environmental protection. It is of key significance to the normal operation of the power system and the power demand in various fields. The problem with the above technology is that during the installation of the transformer and rectifier, auxiliary support is required through a support plate, and during the combination of the transformer and rectifier and the support plate, multiple connection auxiliary parts are required to connect and fix the transformer and rectifier and the support plate. The process will consume more time and energy of the user, thereby reducing the convenience of the combination of the transformer and rectifier. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a current transformer for electric power engineering which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is implemented as follows: a current transformer for electric power engineering comprises a transformer rectifier, a support plate, two fixed blocks and four connecting plates, wherein the support plate is located at the rear side of the transformer rectifier, the two fixed blocks are respectively located at the top and bottom of the front side of the support plate and are fixedly connected to the surface of the support plate, the four connecting plates are respectively located at the left and right sides of the top and bottom of the transformer rectifier and are fixedly connected to the surface of the transformer rectifier, the surface of the connecting plate contacts the inner cavity of the fixed block, the inner cavity of the fixed block is provided with a placement groove; the inner cavity of the placement groove is provided with a positioning mechanism used in conjunction with the transformer rectifier; the inner cavity of the placement groove is provided with a transmission mechanism used in conjunction with the positioning mechanism.

[0006] In order to improve the assembly convenience of the transformer rectifier, preferably, the positioning mechanism includes two positioning rods, two pull rods and four tension springs, the two positioning rods are respectively located on the left and right sides of the inner cavity of the placement groove, the two pull rods are respectively located at the opposite ends of the two positioning rods and are fixedly connected to the surface of the positioning rods, the four tension springs are respectively located at the top and bottom on the opposite side of the two pull rods and are fixedly connected to the surface of the pull rods, and the side of the tension spring close to the inner wall of the placement groove is fixedly connected to the inner wall of the placement groove. By setting the positioning mechanism, the positioning rod can achieve the effect of quickly connecting and fixing the transformer rectifier to the support plate through the mutual cooperation of the connecting plate and the fixing block.

[0007] In order to improve the mobility of the positioning mechanism, preferably, the transmission mechanism includes a servo motor, a turntable and two rotating rods. The servo motor is located in the inner cavity of the placement slot, the turntable is located on the rear side of the servo motor and is fixedly connected to the output end of the servo motor, the two rotating rods are respectively located on the left and right sides of the turntable and are fixedly connected to the surface of the turntable, and the rear surface of the rotating rod is in contact with the inner cavity of the pull rod. By setting up the transmission mechanism, the servo motor can drive the turntable and the rotating rod to cooperate with each other through its own output end, so as to achieve the effect of quickly driving the pull rod and the positioning rod to move quickly, thereby avoiding the situation where the transformer rectifier cannot be removed from a fixed state when the transformer rectifier needs to be dismantled for maintenance.

[0008] In order to improve the moving stability of the transmission mechanism, preferably, the rear side of the turntable is movably connected with a support rod through a rotating shaft, and the rear side of the support rod is fixedly connected to the inner wall of the placement groove. By setting the support rod, the support rod can assist the turntable to rotate stably, thereby avoiding instability of the turntable during rotation.

[0009] In order to improve the moving stability of the positioning mechanism, preferably, the top and bottom of the pull rod are fixedly connected with a plug-in rod, and the surfaces of the two plug-in rods are sleeved with plug-in blocks, and the plug-in blocks are fixedly connected to the inner wall of the placement groove on one side close to the inner wall of the placement groove. By setting the plug-in rod and the plug-in block, the plug-in block can limit the pull rod and the positioning rod through the plug-in rod, thereby avoiding shaking of the pull rod and the positioning rod during movement.

[0010] In order to improve the docking effect of the positioning rod, preferably, connecting holes are opened on the left and right sides of the inner cavity of the fixed block, and positioning grooves are opened on the opposite sides of the two connecting plates. The side of the positioning rod close to the inner cavity of the positioning groove passes through the connecting hole and extends to the inner cavity of the positioning groove. By setting the connecting hole and the positioning groove, the connecting hole can enable the positioning rod to be quickly docked with the positioning groove.

[0011] In order to improve the installation convenience of the servo motor, preferably, the bottom of the servo motor is fixedly connected with a mounting bracket, and the bottom of the mounting bracket is fixedly installed with the inner wall of the placement groove by bolts. By setting up the mounting bracket, the mounting bracket can facilitate the user to quickly install the servo motor.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model starts the servo motor by arranging a transformer rectifier, a support plate, a fixing block, a connecting plate, a placement slot, a positioning mechanism and a transmission mechanism. The servo motor drives the turntable to rotate through its output end. During the rotation of the turntable, the turntable drives the rotating rods on both sides to rotate and assists its own rotation stability through the support rods. When the rotating rod rotates, it contacts the inner cavity of the pull rod and drives the pull rod to move. When the pull rod moves, it drives the positioning rod to move and stretches the tension spring. After the positioning rod moves to a suitable position, the transformer rectifier The device is docked with the support plate. During the docking process, the connecting plate needs to be plugged into the inner cavity of the fixing block. After the docking is completed, the servo motor is turned off, and the turntable will lose the force state. After the turntable loses the force state, the tension of the tension spring contracts, which will quickly drive the pull rod and the positioning rod to reset. During the resetting process, the pull rod will drive the positioning rod to insert into the inner cavity of the positioning groove. After the positioning rod is inserted into the inner cavity of the positioning groove, the connection plate and the fixing block can cooperate with each other to achieve the effect of quickly connecting and fixing the transformer rectifier and the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0015] Figure 2 The embodiment of the utility model provides a three-dimensional cross-sectional view;

[0016] Figure 3 It is a schematic diagram of the connection of the internal structure of the placement slot provided by the embodiment of the utility model;

[0017] Figure 4 The utility model embodiment provides Figure 2 A partial enlarged view of point A in the middle.

[0018] In the figure: 1. transformer rectifier; 2. support plate; 3. fixing block; 4. connecting plate; 5. placement slot; 6. positioning mechanism; 7. transmission mechanism; 601. positioning rod; 602. pull rod; 603. tension spring; 701. servo motor; 702. turntable; 703. turning rod; 8. support rod; 9. plug-in rod; 10. plug-in block; 11. connecting hole; 12. positioning slot; 13. mounting bracket. DETAILED DESCRIPTION

[0019] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0020] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0021] like Figures 1 to 4As shown, an embodiment of the utility model provides a current transformer for electric power engineering, comprising a transformer rectifier 1, a support plate 2, two fixing blocks 3 and four connecting plates 4, wherein the support plate 2 is located at the rear side of the transformer rectifier 1, the two fixing blocks 3 are respectively located at the top and bottom of the front side of the support plate 2 and are fixedly connected to the surface of the support plate 2, the four connecting plates 4 are respectively located at the left and right sides of the top and bottom of the transformer rectifier 1 and are fixedly connected to the surface of the transformer rectifier 1, the surface of the connecting plate 4 is in contact with the inner cavity of the fixing block 3, and the inner cavity of the fixing block 3 is provided with a placement groove 5; the inner cavity of the placement groove 5 is provided with a positioning mechanism 6 used in conjunction with the transformer rectifier 1;The inner cavity of the placement slot 5 is provided with a transmission mechanism 7 used in conjunction with the positioning mechanism 6. The positioning mechanism 6 includes two positioning rods 601, two pull rods 602 and four tension springs 603. The two positioning rods 601 are respectively located on the left and right sides of the inner cavity of the placement slot 5, the two pull rods 602 are respectively located at the opposite ends of the two positioning rods 601 and are fixedly connected to the surfaces of the positioning rods 601, the four tension springs 603 are respectively located at the top and bottom on the opposite sides of the two pull rods 602 and are fixedly connected to the surfaces of the pull rods 602, and the side of the tension spring 603 close to the inner wall of the placement slot 5 is fixedly connected to the inner wall of the placement slot 5. By setting the positioning mechanism 6, the positioning rod 601 can cooperate with the connecting plate 4 and the fixing block 3 to quickly connect the transformer rectifier 1 to the support. The support plate 2 is connected and fixed, and the transmission mechanism 7 includes a servo motor 701, a turntable 702 and two rotating rods 703. The servo motor 701 is located in the inner cavity of the placement slot 5, and the turntable 702 is located at the rear side of the servo motor 701 and is fixedly connected to the output end of the servo motor 701. The two rotating rods 703 are respectively located on the left and right sides of the turntable 702 and are fixedly connected to the surface of the turntable 702. The surface of the rear side of the rotating rod 703 is in contact with the inner cavity of the pull rod 602. By setting the transmission mechanism 7, the servo motor 701 can drive the turntable 702 and the rotating rod 703 to cooperate with each other through its own output end, so as to achieve the effect of quickly driving the pull rod 602 and the positioning rod 601 to move quickly, thereby avoiding the need to dismantle the transformer rectifier 1 for maintenance. When protecting, the transformer rectifier 1 cannot be separated from the fixed state. The rear side of the turntable 702 is movably connected with a support rod 8 through a rotating shaft. The rear side of the support rod 8 is fixedly connected to the inner wall of the placement groove 5. By setting the support rod 8, the support rod 8 can assist the turntable 702 to rotate stably, avoiding the turntable 702 from being unstable during rotation. The top and bottom of the pull rod 602 are fixedly connected with plug rods 9. The surfaces of the two plug rods 9 are sleeved with plug blocks 10. The side of the plug block 10 close to the inner wall of the placement groove 5 is fixedly connected to the inner wall of the placement groove 5. By setting the plug rod 9 and the plug block 10, the plug block 10 can limit the pull rod 602 and the positioning rod 601 through the plug rod 9, avoiding In order to prevent the pull rod 602 and the positioning rod 601 from shaking during the movement, the left and right sides of the inner cavity of the fixing block 3 are provided with connection holes 11, and the opposite sides of the two connecting plates 4 are provided with positioning grooves 12. The side of the positioning rod 601 close to the inner cavity of the positioning groove 12 passes through the connection hole 11 and extends to the inner cavity of the positioning groove 12. By setting the connection hole 11 and the positioning groove 12, the connection hole 11 plays a role in allowing the positioning rod 601 to quickly dock with the positioning groove 12. The bottom of the servo motor 701 is fixedly connected with a mounting bracket 13. The bottom of the mounting bracket 13 is fixedly installed with the inner wall of the placement groove 5 by bolts. By setting the mounting bracket 13, the mounting bracket 13 plays a role in facilitating the user to quickly install the servo motor 701. ;

[0022] The working principle of this utility model:

[0023] When in use, start the servo motor 701, the servo motor 701 will drive the turntable 702 to rotate through its own output end, and the turntable 702 will drive the rotating rods 703 on both sides to rotate during the rotation process and assist its own rotation stability through the support rod 8, and when the rotating rod 703 rotates, it will contact the inner cavity of the pull rod 602 and drive the pull rod 602 to move, and when the pull rod 602 moves, it will drive the positioning rod 601 to move and stretch the tension spring 603. After the positioning rod 601 moves to the appropriate position, the transformer rectifier 1 is docked with the support plate 2. During the docking process It is necessary to connect the connecting plate 4 with the inner cavity of the fixing block 3. After the connection is completed, turn off the servo motor 701, and the turntable 702 will lose the force state. After the turntable 702 loses the force state, the tension of the tension spring 603 will shrink, which will quickly drive the pull rod 602 and the positioning rod 601 to reset. During the resetting process, the pull rod 602 will drive the positioning rod 601 to insert into the inner cavity of the positioning groove 12. After the positioning rod 601 is inserted into the inner cavity of the positioning groove 12, the transformer rectifier 1 can be quickly connected and fixed to the support plate 2 through the mutual cooperation of the connecting plate 4 and the fixing block 3.

[0024] The specific model specifications of the transformer rectifier 1 and the servo motor 701 proposed in this application need to be selected and determined according to the actual specifications of the device. The specific selection calculation method, line connection method and control method all adopt the existing technology in this field, so they will not be described in detail.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] The above description is only a preferred embodiment of the utility model, and does not constitute any form of limitation to the utility model. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent will not depart from the scope of the technical solution of the utility model.

Claims

1. A current transformer for electric power engineering, comprising a transformer rectifier (1), a support plate (2), two fixing blocks (3) and four connecting plates (4), characterized in that: The support plate (2) is located at the rear side of the transformer rectifier (1), the two fixing blocks (3) are respectively located at the top and bottom of the front side of the support plate (2) and are fixedly connected to the surface of the support plate (2), the four connecting plates (4) are respectively located at the left and right sides of the top and bottom of the transformer rectifier (1) and are fixedly connected to the surface of the transformer rectifier (1), the surface of the connecting plate (4) is in contact with the inner cavity of the fixing block (3), and the inner cavity of the fixing block (3) is provided with a placement groove (5); The inner cavity of the placement groove (5) is provided with a positioning mechanism (6) used in conjunction with the transformer rectifier (1); The inner cavity of the placement groove (5) is provided with a transmission mechanism (7) used in conjunction with the positioning mechanism (6).

2. The current transformer for electric power engineering according to claim 1, characterized in that: The positioning mechanism (6) comprises two positioning rods (601), two pulling rods (602) and four tension springs (603); the two positioning rods (601) are respectively located on the left and right sides of the inner cavity of the placement groove (5); the two pulling rods (602) are respectively located at the opposite ends of the two positioning rods (601) and are fixedly connected to the surface of the positioning rods (601); the four tension springs (603) are respectively located at the top and bottom of the opposite side of the two pulling rods (602) and are fixedly connected to the surface of the pulling rods (602); the tension spring (603) is fixedly connected to the inner wall of the placement groove (5) on the side close to the inner wall of the placement groove (5).

3. The current transformer for electric power engineering according to claim 2, characterized in that: The transmission mechanism (7) comprises a servo motor (701), a turntable (702) and two rotating rods (703); the servo motor (701) is located in the inner cavity of the placement slot (5); the turntable (702) is located at the rear side of the servo motor (701) and is fixedly connected to the output end of the servo motor (701); the two rotating rods (703) are respectively located on the left and right sides of the turntable (702) and are fixedly connected to the surface of the turntable (702); the rear surface of the rotating rod (703) is in contact with the inner cavity of the pull rod (602).

4. The current transformer for electric power engineering as claimed in claim 3, characterized in that: The rear side of the rotating disk (702) is movably connected to a support rod (8) via a rotating shaft, and the rear side of the support rod (8) is fixedly connected to the inner wall of the placement groove (5).

5. The current transformer for electric power engineering according to claim 2, characterized in that: The top and bottom of the pull rod (602) are fixedly connected to plug rods (9), and the surfaces of the two plug rods (9) are sleeved with plug blocks (10), and the plug blocks (10) are fixedly connected to the inner wall of the placement groove (5) on one side close to the inner wall of the placement groove (5).

6. The current transformer for electric power engineering according to claim 2, characterized in that: The left and right sides of the inner cavity of the fixing block (3) are provided with connecting holes (11), the opposite sides of the two connecting plates (4) are provided with positioning grooves (12), and the positioning rod (601) passes through the connecting hole (11) on the side close to the inner cavity of the positioning groove (12) and extends to the inner cavity of the positioning groove (12).

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