Remote operated circuit breaker device for wind power transformer

Abstract

This utility model relates to the field of circuit breaker technology, and more particularly to a remote-controlled circuit breaker device for wind power transformers. The utility model provides a remote-controlled circuit breaker device for wind power transformers, including a circuit breaker body. Two switches are installed inside the circuit breaker body. A U-shaped plate is detachably installed on the side of the circuit breaker body near the switches. Two L-shaped plates are fixedly connected to the inner wall of the U-shaped plate. Two second arc-shaped plates are fixedly connected to the side of the circuit breaker body near the U-shaped plate. A sliding rod is slidably connected to the inner wall of each of the two second arc-shaped plates. An arc-shaped block is fixedly connected to the end of each sliding rod near the L-shaped plate. This invention solves the problem that existing remote-controlled circuit breaker devices for transformers typically use threaded connections to the circuit breaker, which often makes it difficult to prevent the circuit breaker from being disassembled, thus compromising the safety of the remote control device.

Description

Technical Field

[0001] This utility model relates to the field of circuit breaker technology, and in particular to a remote control circuit breaker device for wind power transformers. Background Technology

[0002] Wind power generation is a clean and pollution-free renewable energy generation method that converts the kinetic energy of wind into electrical energy. Because the electrical energy generated by wind power generation has a low voltage, it cannot be directly transmitted to the grid. Therefore, when generating wind power, a transformer is usually used to convert the low-voltage DC power generated by the wind turbine into high-voltage AC power to ensure the effective transmission of electrical energy and the stable operation of the grid. In order to avoid damage to equipment and personnel caused by circuit overload, short circuit or undervoltage faults during wind power generation, circuit breakers are usually integrated into the transformer to achieve the protection effect when the circuit is abnormal.

[0003] Chinese patent CN215578417U discloses a remote control device for a circuit breaker. The key technical features include a circuit breaker body and a switch mounted on the circuit breaker body. A side U-shaped frame is detachably connected to the circuit breaker body, and a side U-shaped push plate is provided within the side U-shaped frame. A strip groove is formed on the side U-shaped frame, and an insulating thrust assembly is provided within the strip groove. The insulating thrust assembly, through rotation, pushes the side U-shaped push plate downwards, thereby closing the switch. This invention, through the combination of these structures, avoids direct manual contact with the switch when opening or closing the circuit breaker body, effectively preventing the operator from directly contacting the circuit breaker switch in case of leakage. It also prevents others from accidentally closing the circuit breaker body while the operator is disconnecting it for circuit operations, thus improving operator safety.

[0004] In the existing technology, transformer remote control circuit breaker devices are usually connected to the circuit breaker by threaded connection. However, this connection method often makes it difficult to ensure that the circuit breaker is not disassembled, which is not conducive to ensuring the safety of the remote control device.

[0005] Therefore, research and development is now underway to address the aforementioned issues. Utility Model Content

[0006] In order to overcome the shortcomings of existing remote control circuit breaker devices for transformers, which are usually connected to the circuit breaker by a threaded connection, and which often makes it difficult to ensure that the circuit breaker is not disassembled, thus compromising the safety of the remote control device, this utility model provides a remote control circuit breaker device for wind power transformers.

[0007] The technical implementation scheme of this utility model is as follows: a remote control circuit breaker device for wind power transformers, including a circuit breaker body, two switches are installed inside the circuit breaker body, a U-shaped plate is detachably installed on the side of the circuit breaker body near the switches, two L-shaped plates are fixedly connected to the inner wall of the U-shaped plate, two second arc-shaped plates are fixedly connected to the side of the circuit breaker body near the U-shaped plate, and a sliding rod is slidably connected to the inner wall of each of the two second arc-shaped plates. An arc-shaped block is fixedly connected to the end of the sliding rod near the L-shaped plate, and the side of the arc-shaped block away from the circuit breaker body is arc-shaped.

[0008] Optionally, a first arc-shaped plate is fitted onto the surface of the slide rod, the first arc-shaped plate being slidably connected to the surface of the circuit breaker body, and a first spring is fitted onto the surface of the slide rod, with the two ends of the first spring being fixedly connected to the first arc-shaped plate and the second arc-shaped plate, respectively.

[0009] Optionally, a positioning plate is fixedly connected to the side of the circuit breaker body near the U-shaped plate, and the positioning plate is in close contact with the U-shaped plate.

[0010] Optionally, the inner wall of the swivel plate is provided with two sliding grooves, and the surfaces of the two sliding grooves on the swivel plate are each connected to a slider by a sliding rod. A lifting rod is fixedly connected to the side of the slider near the switch, and a pull rod is fixedly connected to the surface of the lifting rod. The pull rod is slidably connected to the inner wall of the swivel plate.

[0011] Optionally, the circuit breaker may also include a rotating plate rotatably connected to the side of the U-shaped plate away from the circuit breaker body, and a baffle fixedly connected to the side of the rotating plate near the lifting rod.

[0012] Optionally, the slider is further provided with a fixed rod slidably connected to its inner wall, and a second spring is sleeved on the surface of the fixed rod, with the two ends of the second spring being fixedly connected to the slider and the guide plate, respectively.

[0013] This utility model has the following advantages:

[0014] 1. This utility model, by setting up a U-shaped plate, an "L"-shaped plate, a second arc-shaped plate, a sliding rod, and an arc-shaped block, allows the arc-shaped block to be moved and its position adjusted by the "L"-shaped plate when installing the U-shaped plate onto the circuit breaker body. Then, under the action of the first spring force, the sliding rod pushes the arc-shaped block into the "L"-shaped plate, completing the installation of the U-shaped plate. This makes it impossible to remove the U-shaped plate from the circuit breaker before opening the plate with a special key, thereby improving the safety of the circuit breaker remote control device.

[0015] 2. By setting a positioning plate, this utility model can achieve a positioning effect during the installation of the L-shaped plate onto the circuit breaker body, thereby facilitating the movement of the L-shaped plate closer to the arc-shaped block and improving the installation efficiency of the arc-shaped plate. By setting a baffle, the position of the lifting rod can be restricted before the rotating plate is opened, thereby avoiding the situation where the circuit breaker body is closed by directly using the pull rod to control the lifting rod.

[0016] 3. By setting up a pull rod and a lifting rod, this utility model improves the speed of shutting down the circuit breaker using a remote control device, so that when it is necessary to shut down the circuit breaker body, the operation of the remote control device will not be affected.

[0017] 4. By setting a slider, the lifting rod can be connected to the return plate, while ensuring that the lifting rod can move. By setting a second spring, the position of the lifting rod can be restricted, so that after the circuit breaker body switch is closed by remote control device, the lifting rod can automatically return to the original position, which facilitates the use of the lifting rod. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of this utility model from another angle;

[0020] Figure 3 This utility model Figure 2 A partial structural diagram;

[0021] Figure 4 This utility model Figure 1 Enlarged view of point A;

[0022] Figure 5 This is a schematic diagram of the lifting rod of this utility model.

[0023] The meanings of the reference numerals in the figure are as follows: 1: Circuit breaker body; 2: Switch; 3: U-shaped plate; 4: Rotating plate; 5: Baffle; 6: "L" shaped plate; 7: First arc plate; 8: Second arc plate; 9: Slide rod; 10: First spring; 11: Arc block; 12: Positioning plate; 13: Pull rod; 14: Slider; 15: Fixing rod; 16: Second spring; 17: Lifting rod. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0025] A remote-controlled circuit breaker device for wind power transformers includes a circuit breaker body 1, characterized in that: two switches 2 are installed inside the circuit breaker body 1, a U-shaped plate 3 is detachably installed on the side of the circuit breaker body 1 near the switches 2, two "L"-shaped plates 6 are fixedly connected to the inner wall of the U-shaped plate 3, two second arc-shaped plates 8 are fixedly connected to the side of the circuit breaker body 1 near the U-shaped plate 3, and a sliding rod 9 is slidably connected to the inner wall of each of the two second arc-shaped plates 8. An arc-shaped block 11 is fixedly connected to the end of the sliding rod 9 near the "L"-shaped plate 6, and the side of the arc-shaped block 11 away from the circuit breaker body 1 is arc-shaped.

[0026] It should be noted that by setting the "L"-shaped plate 6, the second arc-shaped plate 8, the slide bar 9, and the arc-shaped block 11, the return plate 3 can be installed conveniently, but it cannot be disassembled before the return plate 3 is opened. By setting the arc surface of the arc-shaped block 11, the arc-shaped block 11 can be moved by pushing it with the "L"-shaped plate 6 when installing the return plate 3.

[0027] like Figure 1 and Figure 3 As shown, a first arc-shaped plate 7 is fitted on the surface of the slide rod 9. The first arc-shaped plate 7 is slidably connected to the surface of the circuit breaker body 1. A first spring 10 is fitted on the surface of the slide rod 9. The two ends of the first spring 10 are fixedly connected to the first arc-shaped plate 7 and the second arc-shaped plate 8, respectively.

[0028] It should be noted that by setting the first arc plate 7, the first spring 10 can be easily installed, and by setting the first spring 10, the position of the slide rod 9 can be restricted.

[0029] like Figure 1 and Figure 4 As shown, a positioning plate 12 is fixedly connected to the side of the circuit breaker body 1 near the U-shaped plate 3, and the positioning plate 12 is tightly fitted to the U-shaped plate 3.

[0030] It should be noted that by setting the positioning plate 12, the U-shaped plate 3 can be positioned when it is installed on the circuit breaker body 1, thus facilitating the installation of the U-shaped plate 3.

[0031] like Figure 2 and Figure 5 As shown, two sliding grooves are provided on the inner wall of the spiral plate 3. The surfaces of the sliding grooves on the two spiral plates 3 are connected to sliders 14 by sliding rods. A lifting rod 17 is fixedly connected to the side of the slider 14 near the switch 2. A pull rod 13 is fixedly connected to the surface of the lifting rod 17. The pull rod 13 is slidably connected to the inner wall of the spiral plate 3.

[0032] It should be noted that by setting the slider 14, the lifting rod 17 can be connected to the return plate 3, while ensuring that the lifting rod 17 can move. By setting the pull rod 13 and the lifting rod 17, the closing of the switch 2 can be easily controlled.

[0033] like Figure 1 and Figure 2 As shown, a rotating plate 4 is rotatably connected to the side of the U-shaped plate 3 away from the circuit breaker body 1, and a baffle 5 is fixedly connected to the side of the rotating plate 4 near the lifting rod 17.

[0034] It should be noted that by setting the rotating plate 4, the folding plate 3 can be easily closed and opened. By setting the baffle 5, the lifting rod 17 cannot be moved before the rotating plate 4 rotates away from the lifting rod 17.

[0035] like Figure 2 and Figure 5 As shown, a fixed rod 15 is slidably connected to the inner wall of the slider 14, and a second spring 16 is sleeved on the surface of the fixed rod 15. The two ends of the second spring 16 are fixedly connected to the slider 14 and the return plate 3, respectively.

[0036] It should be noted that by setting the fixing rod 15, the position of the second spring 16 can be restricted, and by setting the second spring 16, the position of the slider 14 can be restricted.

[0037] 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 remote-controlled circuit breaker device for wind power transformers, comprising a circuit breaker body (1), characterized in that: The circuit breaker body (1) has two switches (2) installed inside. A U-shaped plate (3) is detachably installed on the side of the circuit breaker body (1) near the switch (2). Two "L" shaped plates (6) are fixedly connected to the inner wall of the U-shaped plate (3). Two second arc-shaped plates (8) are fixedly connected to the side of the circuit breaker body (1) near the U-shaped plate (3). A slide rod (9) is slidably connected to the inner wall of each of the two second arc-shaped plates (8). An arc-shaped block (11) is fixedly connected to the end of the slide rod (9) near the "L" shaped plate (6). The side of the arc-shaped block (11) away from the circuit breaker body (1) is arc-shaped.

2. The remote-controlled circuit breaker device for wind power transformers according to claim 1, characterized in that, The surface of the slide rod (9) is fitted with a first arc plate (7), which is slidably connected to the surface of the circuit breaker body (1). The surface of the slide rod (9) is fitted with a first spring (10), and the two ends of the first spring (10) are fixedly connected to the first arc plate (7) and the second arc plate (8) respectively.

3. The remote-controlled circuit breaker device for wind power transformers according to claim 1, characterized in that, A positioning plate (12) is fixedly connected to the side of the circuit breaker body (1) near the U-shaped plate (3), and the positioning plate (12) is in close contact with the U-shaped plate (3).

4. The remote-controlled circuit breaker device for wind power transformers according to claim 1, characterized in that, The inner wall of the spiral plate (3) has two sliding grooves. The surfaces of the two spiral plates (3) are connected to sliders (14) by sliding rods. A lifting rod (17) is fixedly connected to the side of the slider (14) near the switch (2). A pull rod (13) is fixedly connected to the surface of the lifting rod (17). The pull rod (13) is slidably connected to the inner wall of the spiral plate (3).

5. The remote-controlled circuit breaker device for wind power transformers according to claim 1, characterized in that, The rotating plate (4) is rotatably connected to the side of the rotating plate (3) away from the circuit breaker body (1), and a baffle (5) is fixedly connected to the side of the rotating plate (4) near the lifting rod (17).

6. The remote-controlled circuit breaker device for wind power transformers according to claim 4, characterized in that, The inner wall of the slider (14) is slidably connected to a fixed rod (15), and a second spring (16) is sleeved on the surface of the fixed rod (15). The two ends of the second spring (16) are fixedly connected to the slider (14) and the return plate (3) respectively.

Images