Breaker convenient for wiring and used for maintenance of electrical equipment of hydropower station

Abstract

The utility model discloses a circuit breaker convenient for wiring and used for maintenance of electrical equipment of a hydropower station, which relates to the technical field of electrics and comprises a circuit breaker shell, and the circuit breaker convenient for wiring and used for maintenance of the electrical equipment of the hydropower station is provided with an arc copper connecting plate, an arc aluminum sheet, a round rod and a pull ring. A wire penetrates into a circuit breaker shell downwards from the top of the circuit breaker shell, then a pull rod is pulled outwards, a first rotating shaft plate is driven by a cross rod to move forwards, the first rotating shaft plate drives a second rotating shaft plate to move forwards, and the second rotating shaft plate drives an arc copper connecting plate and a third rotating shaft plate to move forwards; the arc copper connecting plates are drawn close to each other while being pulled until the arc copper connecting plates are attached to hold and clamp the electric wire, the arc copper connecting plates and the arc aluminum sheets are tightly attached to the electric wire at the moment, the arc copper connecting plates and the arc aluminum sheets are connected with the wiring terminal, and after clamping, the round rod is inserted into the pull ring to be fixed. The problem that the device cannot be quickly connected is solved.

Description

Technical Field

[0001] This utility model relates to the field of electrical technology, specifically to a circuit breaker for the maintenance of electrical equipment in hydropower stations that is easy to wire. Background Technology

[0002] Electrical technology refers to the general term for disciplines or engineering fields such as the production, transmission, distribution, and use of electrical energy, as well as the manufacturing of electrical equipment. It includes basic theories, applied technologies, facilities and equipment, etc. Among the facilities and equipment, circuit breakers are the most common. A circuit breaker is a switching device used to protect the safety of circuits. It is used in homes, businesses, and hydropower stations. In places with a lot of electrical equipment, such as hydropower stations, the installation of circuit breakers is quite time-consuming. Most circuit breakers on the market at present require wiring and screwing for installation. When there are many, the installation time is too long.

[0003] Now, a new type of circuit breaker for the maintenance of electrical equipment in hydropower stations, which is easy to wire, is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a circuit breaker for the maintenance of electrical equipment in hydropower stations that is easy to wire, in order to solve the problem of inability to quickly wire the circuit as mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a circuit breaker for maintenance of electrical equipment in hydropower stations that is easy to wire, including a circuit breaker housing, a switch fixedly connected to the middle position of the front end of the circuit breaker housing, and a quick-connection assembly fixedly connected to the top of the front end of the circuit breaker housing.

[0006] The quick-connect assembly includes two sets of housings. The housings are fixedly connected to the top of the front end of the circuit breaker housing. A pull rod is provided at the front end of the housing, and a crossbar is provided at the front end inside the housing. A first rotating shaft plate is movably connected to the left and right sides of the rear end of the crossbar. A second rotating shaft plate is movably connected to the rear end of the first rotating shaft plate. Two sets of third rotating shaft plates are provided on the side of the second rotating shaft plate near the pull rod. Two sets of arc-shaped copper connecting plates are provided at the bottom of the housing. An arc-shaped aluminum sheet is fixedly connected to the side of the arc-shaped copper connecting plate near the pull rod. Multiple sets of circular holes are opened inside the pull rod, and a circular rod is inserted into the circular holes. A pull ring is fixedly connected to the side of the circular rod away from the pull rod.

[0007] Preferably, the pull rod is fixedly connected to the crossbar, and the first rotating shaft plate is not connected to the housing.

[0008] Preferably, the second rotating shaft plate is movably connected to the third rotating shaft plate and the housing, and the pull rod passes through the interior of the housing.

[0009] Preferably, the arc-shaped copper connecting plate is movably connected to the bottom of the second and third rotating shaft plates, the shape and size of the outer part of the round rod are consistent with the shape and size of the inner part of the round hole, and the round rod can be moved left and right along the inside of the round hole.

[0010] Preferably, adhesive tape is fixedly connected to the four corners of the rear end of the circuit breaker housing, two sets of long slots are opened in the middle of the rear end of the circuit breaker housing, a back plate is inserted into the rear end of the circuit breaker housing, and an L-shaped hook is fixedly connected to the rear end of the back plate. The shape and size of the L-shaped hook on the outside are consistent with the shape and size of the long slot on the inside. The long slot can be pulled up and down along the outside of the L-shaped hook, and the adhesive tape is bonded to the back plate.

[0011] Preferably, an expansion rubber strip is fixedly connected to the periphery of the long groove, an impermeable membrane is fixedly connected to the front end of the back plate, an outer box is fixedly connected to the left side of the bottom front end of the circuit breaker housing, a miniature current sensor is fixedly connected inside the outer box, and an alarm light is fixedly connected to the right side of the bottom front end of the circuit breaker housing. The expansion rubber strip expands when it comes into contact with water, and the miniature current sensor is electrically connected to the alarm light.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the circuit breaker for maintenance of hydropower station electrical equipment that is easy to wire not only realizes the function of quick wiring and quick installation and disassembly, but also realizes the function of waterproofing and electrical protection;

[0013] (1) By setting up an arc copper connecting plate, an arc aluminum sheet, a round rod and a pull ring, when in use, take the round rod out of the round hole, then pass the wire from the top of the circuit breaker housing downward into the circuit breaker housing, place it between the two arc aluminum sheets, then pull the pull rod outward, and drive the first rotating shaft plate forward through the crossbar, the first rotating shaft plate drives the second rotating shaft plate forward, the second rotating shaft plate drives the arc copper connecting plate and the third rotating shaft plate forward. While pulling, the arc copper connecting plates move closer to each other until the arc copper connecting plates are in contact, clamping the wire tightly. At this time, the arc copper connecting plate, the arc aluminum sheet and the wire are in close contact, and the arc copper connecting plate and the arc aluminum sheet are connected to the terminal, that is, the wire is connected to the terminal. After clamping, insert the round rod into the pull ring to fix it, and the clamped state can be maintained, realizing the quick wiring function.

[0014] (2) By setting up a long slot, back plate and L-shaped hook, when using the circuit breaker, it is necessary to remove the screws one by one for inspection during maintenance, which wastes manpower. By setting up a back plate, during installation, the back plate can be connected to the base plate with screws. Then, the circuit breaker housing can be directly inserted into the outside of the L-shaped hook through the long slot to connect with the back plate. At the same time, the adhesive can be pressed backward to fit tightly with the back plate. If it is necessary to disassemble for inspection, simply tear the circuit breaker housing from the front end of the back plate and pull it upward to separate the circuit breaker housing from the back plate, thus realizing the function of quick installation and disassembly.

[0015] (3) By setting up an expansion rubber strip, a waterproof membrane, a miniature current sensor and an alarm light, the circuit breaker involves electrical equipment and requires high waterproof performance. By setting up an expansion rubber strip, if it encounters a humid environment, the expansion rubber strip will expand when it comes into contact with water, which can prevent water from entering the expansion rubber strip and ensure the waterproof safety of the interface. Subsequently, the setting of the waterproof membrane will prevent water from entering at the connection between the rear end of the circuit breaker casing and the back plate. Sometimes when the circuit breaker malfunctions, even if the switch is closed, current will still flow. After setting up the miniature current sensor, the internal and external current of the circuit breaker can be viewed in real time. When there is power, the alarm light is always on, which can be used to visually view the current situation and prevent staff from accidentally touching it, thus realizing the waterproof and anti-electricity functions. Attached Figure Description

[0016] Figure 1 This is a front view structural diagram of the present utility model;

[0017] Figure 2 This is a top view enlarged cross-sectional schematic diagram of the arc-shaped aluminum sheet in the connected and separated states of this utility model;

[0018] Figure 3 These are enlarged side and top views of the pull rod and round rod of this utility model.

[0019] Figure 4 This is a schematic diagram of the rear view of the long slot and the front view of the outer box of this utility model.

[0020] Figure 5 This is a side view and an enlarged side view of the present invention in the separated state of the back plate and the circuit breaker housing.

[0021] In the diagram: 1. Circuit breaker housing; 2. Switch; 3. Housing; 4. Pull rod; 5. Crossbar; 6. First pivot plate; 7. Second pivot plate; 8. Third pivot plate; 9. Arc-shaped copper connecting plate; 10. Arc-shaped aluminum sheet; 11. Round hole; 12. Round rod; 13. Pull ring; 14. Adhesive; 15. Long groove; 16. Back plate; 17. L-shaped hook; 18. Expansion rubber strip; 19. Geomembrane; 20. Outer box; 21. Miniature current sensor; 22. Alarm light. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5The present invention provides an embodiment of a circuit breaker for maintenance of electrical equipment in a hydropower station that is easy to wire, comprising a circuit breaker housing 1, a switch 2 fixedly connected to the middle position of the front end of the circuit breaker housing 1, and a quick-connect assembly fixedly connected to the top of the front end of the circuit breaker housing 1.

[0024] Please see Figure 1-5 A circuit breaker for easy wiring maintenance of electrical equipment in hydropower stations also includes a quick-connect assembly. The quick-connect assembly includes two sets of housings 3, which are fixedly connected to the top of the front end of the circuit breaker housing 1. A pull rod 4 is provided at the front end of the housing 3, and a crossbar 5 is provided at the front end inside the housing 3. A first rotating shaft plate 6 is movably connected to the left and right sides of the rear end of the crossbar 5. A second rotating shaft plate 7 is movably connected to the rear end of the first rotating shaft plate 6. Two sets of third rotating shaft plates 8 are provided on the side of the second rotating shaft plate 7 near the pull rod 4. Two sets of arc-shaped copper connecting plates 9 are provided at the bottom of the housing 3. An arc-shaped aluminum sheet is fixedly connected to the side of the arc-shaped copper connecting plate 9 near the pull rod 4. 10. The pull rod 4 has multiple sets of round holes 11 inside, and a round rod 12 is inserted into the round hole 11. A pull ring 13 is fixedly connected to the side of the round rod 12 away from the pull rod 4. The pull rod 4 is fixedly connected to the crossbar 5. The first rotating shaft plate 6 is not connected to the housing 3. The second rotating shaft plate 7 and the third rotating shaft plate 8 are movably connected to the housing 3. The pull rod 4 passes through the interior of the housing 3. The arc-shaped copper connecting plate 9 is movably connected to the bottom of the second rotating shaft plate 7 and the third rotating shaft plate 8. The shape and size of the round rod 12 on the outside are consistent with the shape and size of the round hole 11 on the inside. The round rod 12 can be pulled left and right along the inside of the round hole 11. The wiring can be completed simply by pulling it out, which is convenient and quick.

[0025] Specifically, such as Figure 1 , Figure 2 and Figure 3 As shown, in use, the round rod 12 is removed from the round hole 11. Then, the wire is inserted downwards from the top of the circuit breaker housing 1 into the circuit breaker housing 1 and placed between the two arc-shaped aluminum plates 10. Then, the pull rod 4 is pulled outwards, which drives the first rotating shaft plate 6 to move forward through the crossbar 5. The first rotating shaft plate 6 drives the second rotating shaft plate 7 to move forward, and the second rotating shaft plate 7 drives the arc-shaped copper connecting plate 9 and the third rotating shaft plate 8 to move forward. While pulling, the arc-shaped copper connecting plates 9 move closer to each other until they are in contact, clamping the wire tightly. At this time, the arc-shaped copper connecting plate 9, the arc-shaped aluminum plate 10 and the wire are in close contact. At the same time, the arc-shaped copper connecting plate 9 and the arc-shaped aluminum plate 10 are connected to the terminal block, that is, the wire is connected to the terminal block. After clamping, the round rod 12 is inserted into the pull ring 13 to fix it, which can maintain the clamped state and quickly clamp the wire for quick connection.

[0026] Adhesive 14 is fixedly connected to the four corners of the rear end of the circuit breaker housing 1. Two sets of long slots 15 are opened in the middle of the rear end of the circuit breaker housing 1. A back plate 16 is inserted into the rear end of the circuit breaker housing 1. An L-shaped hook 17 is fixedly connected to the rear end of the back plate 16. The shape and size of the L-shaped hook 17 are consistent with the shape and size of the inside of the long slot 15. The long slot 15 can be pulled up and down along the outside of the L-shaped hook 17. The adhesive 14 is bonded to the back plate 16, which facilitates quick disassembly and installation.

[0027] Specifically, such as Figure 1 , Figure 4 and Figure 5 As shown, during use, circuit breaker maintenance requires disassembling and inspecting each screw individually, which is labor-intensive. By setting up a back plate 16, during installation, only the back plate 16 needs to be connected to the base plate with screws. Then, the circuit breaker housing 1 can be directly inserted into the outside of the L-shaped hook 17 through the long slot 15 to connect with the back plate 16. At the same time, the adhesive 14 can be pressed backward to fit tightly with the back plate 16. If disassembly and inspection are required, simply tear the circuit breaker housing 1 from the front end of the back plate 16 and pull it upward to separate the circuit breaker housing 1 from the back plate 16, allowing for quick installation and disassembly.

[0028] An expansion rubber strip 18 is fixedly connected to the periphery of the long groove 15, a waterproof membrane 19 is fixedly connected to the front end of the back plate 16, an outer box 20 is fixedly connected to the left side of the bottom front end of the circuit breaker housing 1, a miniature current sensor 21 is fixedly connected inside the outer box 20, and an alarm light 22 is fixedly connected to the right side of the bottom front end of the circuit breaker housing 1. The expansion rubber strip 18 expands when it comes into contact with water, and the miniature current sensor 21 is electrically connected to the alarm light 22, resulting in high waterproof and electrical safety performance.

[0029] Specifically, such as Figure 1 , Figure 4 and Figure 5 As shown, the circuit breaker involves electrical equipment and requires high waterproof performance. By setting up an expansion rubber strip 18, if it encounters a humid environment, the expansion rubber strip 18 expands when it comes into contact with water, which can prevent water from entering the expansion rubber strip 18 and ensure the waterproof safety of the interface. Subsequently, the setting of the anti-seepage membrane 19 prevents water from entering at the connection between the rear end of the circuit breaker housing 1 and the back plate 16. Sometimes when the circuit breaker malfunctions, even if the switch 2 is closed, current still flows. After setting up the miniature current sensor 21, the internal and external current of the circuit breaker can be viewed in real time. When there is power, the alarm light 22 is always on, which can be used to visually view the current situation and prevent staff from accidentally touching it. It has high safety performance, is waterproof and prevents accidental touch.

[0030] Working principle: In use, firstly, the round rod 12 is removed from the round hole 11. Then, the wire is inserted downwards from the top of the circuit breaker housing 1 into the circuit breaker housing 1, placed between the two arc-shaped aluminum plates 10. Next, the pull rod 4 is pulled outwards, causing the first rotating shaft plate 6 to move forward via the crossbar 5. The first rotating shaft plate 6 then moves the second rotating shaft plate 7 forward, which in turn moves the arc-shaped copper connecting plate 9 and the third rotating shaft plate 8 forward. Simultaneously, the arc-shaped copper connecting plate... 9. Bring the wires together until the arc-shaped copper connecting plates 9 and 10 are in contact, clamping the wires tightly. At this point, the arc-shaped copper connecting plates 9 and 10 are in close contact with the wires, and simultaneously connected to the terminals, i.e., the wires are connected to the terminals. After clamping, insert the round rod 12 into the pull ring 13 to fix it, thus maintaining the clamped state. During use, circuit breaker maintenance requires disassembling and inspecting each screw individually, wasting manpower. By setting up the back plate 16, only the back plate 16 needs to be installed during installation. 6. Connect the circuit breaker housing 1 to the base plate with screws. Then, insert the circuit breaker housing 1 directly into the L-shaped hook 17 through the long slot 15 to connect it to the back plate 16. At the same time, press the adhesive 14 backward to make it fit tightly with the back plate 16. If disassembly and inspection are required, simply tear the circuit breaker housing 1 from the front end of the back plate 16 and pull it upward to separate the circuit breaker housing 1 from the back plate 16. When in use, the circuit breaker involves electrical equipment and requires high waterproof performance. By setting an expansion rubber strip 18, if it encounters a humid environment, the expansion rubber strip 18 will expand when it comes into contact with water, which can prevent water from entering the expansion rubber strip 18 and ensure the waterproof safety of the interface. Subsequently, the setting of the anti-seepage membrane 19 prevents water from entering at the connection between the rear end of the circuit breaker housing 1 and the back plate 16. Sometimes when the circuit breaker malfunctions, even if the switch 2 is closed, current will still flow. After setting a miniature current sensor 21, the internal and external current of the circuit breaker can be viewed in real time. When there is power, the alarm light 22 is always on, which can be used to visually view the current situation and prevent personnel from accidentally touching it.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A circuit breaker for maintenance of electrical equipment of a hydropower plant that facilitates wiring, comprising a circuit breaker housing (1), characterized in that: The middle position of the front end of the circuit breaker shell (1) is fixedly connected with a switch (2), and the top of the front end of the circuit breaker shell (1) is fixedly connected with a quick wiring assembly. The quick wiring assembly comprises two groups of sleeve shells (3), the sleeve shells (3) are fixedly connected to the top of the front end of the circuit breaker shell (1), the front end of the sleeve shell (3) is provided with a pull rod (4), the front end inside the sleeve shell (3) is provided with a cross rod (5), the left and right sides of the rear end of the cross rod (5) are movably connected with first rotating shaft plates (6), the rear end of the first rotating shaft plate (6) is movably connected with a second rotating shaft plate (7), one side of the second rotating shaft plate (7) close to the pull rod (4) is provided with two groups of third rotating shaft plates (8), the lower side of the sleeve shell (3) is provided with two groups of arc copper connecting plates (9), one side of the arc copper connecting plate (9) close to the pull rod (4) is fixedly connected with an arc aluminum sheet (10), a plurality of circular holes (11) are formed in the inside of the pull rod (4), a circular rod (12) is inserted into the circular hole (11), and one side of the circular rod (12) away from the pull rod (4) is fixedly connected with a pull ring (13).

2. A circuit breaker for maintenance of electrical equipment of a hydroelectric power plant facilitating wiring as claimed in claim 1, wherein: The pull rod (4) is fixedly connected with the cross rod (5), and the first rotating shaft plate (6) is not connected with the sleeve shell (3).

3. A circuit breaker for maintenance of electrical equipment of a hydroelectric power station facilitating wiring as claimed in claim 1, wherein: The second rotating shaft plate (7) is movably connected with the third rotating shaft plate (8) and the sleeve shell (3), and the pull rod (4) penetrates the inside of the sleeve shell (3).

4. A circuit breaker for maintenance of electrical equipment of a hydroelectric power station facilitating wiring as claimed in claim 1, wherein: The arc copper connecting plate (9) is movably connected with the bottom of the second rotating shaft plate (7) and the third rotating shaft plate (8), the shape and size of the outside of the circular rod (12) are consistent with the shape and size of the inside of the circular hole (11), and the circular rod (12) can be pulled left and right along the inside of the circular hole (11).

5. A circuit breaker for maintenance of electrical equipment of a hydroelectric power station facilitating wiring as claimed in claim 1, wherein: The rear end of the circuit breaker shell (1) is fixedly connected with a rubber (14) at the four corners, two groups of long grooves (15) are formed in the middle position of the rear end of the circuit breaker shell (1), a back plate (16) is inserted into the rear end of the circuit breaker shell (1), the rear end of the back plate (16) is fixedly connected with an L-shaped hook (17), the shape and size of the outside of the L-shaped hook (17) are consistent with the shape and size of the inside of the long groove (15), the long groove (15) can be pulled up and down along the outside of the L-shaped hook (17), and the rubber (14) and the back plate (16) are mutually bonded.

6. A circuit breaker for maintenance of electrical equipment of a hydroelectric power station facilitating wiring as claimed in claim 5, wherein: The periphery of the long groove (15) is fixedly connected with an expanded rubber strip (18), the front end of the back plate (16) is fixedly connected with an anti-seepage film (19), the left side of the bottom of the front end of the circuit breaker shell (1) is fixedly connected with an outer box (20), the inside of the outer box (20) is fixedly connected with a miniature current inductor (21), the right side of the bottom of the front end of the circuit breaker shell (1) is fixedly connected with an alarm lamp (22), the expanded rubber strip (18) expands when encountering water, and the miniature current inductor (21) is electrically connected with the alarm lamp (22).

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