Dual-power change-over switch

Abstract

The utility model discloses a dual-power change-over switch, which relates to the technical field of power switches and comprises a mounting plate, a converter is fixedly mounted in the middle of the top end of the mounting plate, a knob is fixedly mounted at the top end of the converter, and circuit breakers are fixedly mounted at the left and right positions of the top end of the mounting plate. The tops of the two circuit breakers are fixedly provided with sealing structures, and the bottom of the mounting plate is fixedly provided with a heat dissipation structure. According to the dual-power change-over switch provided by the utility model, relative sealing at the fixing screws is kept under the action of the sealing structure and the sealing ring, so that the fixing screws can be prevented from being accidentally loosened, the fixing screws can be prevented from being rusted, and the normal use of a circuit breaker is further influenced, and the air bag can be expanded to be filled in a gap between the lead and the mounting frame, so that the safety of the circuit breaker is improved. Therefore, the sealing effect between the wire and the circuit breaker is improved, the waterproof performance of the circuit breaker is improved, and the practicability of the dual-power change-over switch is improved.

Description

Technical Field

[0001] This utility model relates to the field of power switch technology, and in particular to a dual power supply switching switch. Background Technology

[0002] A dual power transfer switch is a switching device that can automatically switch to another power source when a power outage occurs. It is widely used in important locations where power outages are not allowed, such as high-rise buildings, residential communities, hospitals, airports, docks, fire protection, metallurgy, chemical industry, and textile industry.

[0003] For example, Chinese patent CN205508653U discloses a dual-power transfer switch, including an operating mechanism, a motor, a primary circuit breaker, and a backup circuit breaker. The operating mechanism includes a rotating component and an operating lever linked to the rotating component. Microswitches are installed on the sides of the primary and backup circuit breakers away from the motor. The operating lever has an actuating element for toggling the microswitches. The rotating component is driven by the motor to rotate, causing the operating lever to flip back and forth. Since microswitches are installed on the sides of the primary and backup circuit breakers, when the operating lever flips back and forth, the actuating element is driven by the operating lever to open and close the microswitches. The microswitches are installed on the sides of the primary and backup circuit breakers, making installation and removal convenient. Furthermore, there are fewer related components on the sides of the primary and backup circuit breakers, and the actuating element provides good contact with the microswitches, ensuring accurate toggling and high operational stability.

[0004] The existing technology has the following problems:

[0005] In actual use, under certain unforeseen circumstances, moisture may seep into the switch, potentially leading to short circuits, insulation failure, or corrosion of electrical components, thus causing electrical malfunctions. These malfunctions may include abnormal current, switch failure to operate, or malfunctioning, severely affecting the reliability and stability of the dual-power transfer switch. Utility Model Content

[0006] This invention provides a dual power supply switching switch to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0008] A dual-power transfer switch includes a mounting plate, a converter is fixedly mounted at the center of the top of the mounting plate, a knob is fixedly mounted at the top of the converter, circuit breakers are fixedly mounted at the left and right positions of the top of the mounting plate, a sealing structure is fixedly mounted at the top of each of the two circuit breakers, and a heat dissipation structure is fixedly mounted at the bottom of the mounting plate.

[0009] Preferably, the sealing structure includes two mounting brackets, each with a sealing ring fixedly connected to its bottom top. The two sealing rings are located outside the fixing screws on the top of the mounting brackets. Bolts are threadedly connected to the left and right positions of the top of the two mounting brackets, and the outer walls of the four bolts are fixedly connected to the four corners of the top of the circuit breaker.

[0010] Preferably, several circular boxes are fixedly connected to the middle of the two mounting brackets on opposite sides, and airbags are fixedly connected inside each of the circular boxes.

[0011] Preferably, each of the two mounting brackets is fixedly connected to a support at its top, and a rectangular box is fixedly connected to the top of the support. A piston plate is slidably connected inside the rectangular box, and a lead screw is rotatably connected to the top of the piston plate. A handle is fixedly connected to the top of the lead screw. An air tube is fixedly connected to the bottom of the rectangular box. The bottom end of the air tube extends out of the bottom end of the top of the support and penetrates into the interior of the circular box. The bottom end of the air tube is fixedly connected to the top of the outer wall of the airbag.

[0012] Preferably, the heat dissipation structure includes heat dissipation fins, the top end of the heat dissipation fins is fixedly connected to the bottom end of the mounting plate, and two round rods are fixedly connected to the opposite surfaces of the left and right sides of the mounting plate. Scrapers are slidably connected to the outer walls of the two round rods, and the top of the scrapers is slidably connected to the outer wall of the heat dissipation fins.

[0013] Preferably, rotating rods are fixedly connected to the left and right positions of the bottom of the mounting plate, a lifting rope is fixedly connected to the right side of the scraper, the outer wall of the right part of the lifting rope overlaps with the outer wall of the rotating rod, a fixing ring is fixedly connected to the right end of the lifting rope, a hook is fixedly connected to the right side of the circuit breaker, the outer wall of the hook is movably sleeved with the inside of the fixing ring, springs are movably sleeved on the outside of the right ends of the two round rods, the left ends of the two springs are fixedly connected to the front and rear positions of the right side of the scraper, and the right ends of the two springs are fixedly connected to the left side of the front and rear positions of the right side of the mounting plate.

[0014] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0015] This utility model provides a dual power transfer switch. Through the sealing structure, the fixing screw is kept relatively sealed under the action of the sealing ring. This can prevent accidental loosening and corrosion, which would affect the normal use of the circuit breaker. The air bladder can be inflated to fill the gap between the wire and the mounting bracket, thereby improving the sealing effect between the wire and the circuit breaker, thus improving the waterproof performance of the circuit breaker, and thus improving the practicality of the dual power transfer switch.

[0016] This utility model provides a dual power supply switching switch. Through the heat dissipation structure, the heat dissipation fins expand the heat dissipation area of ​​the circuit breaker, thereby improving the heat dissipation effect of the circuit breaker, ensuring the performance of the circuit breaker and extending its service life. Pulling the fixing ring drives the hanging rope to pull the scraper, which causes the scraper to clean the heat dissipation fins on the scraper surface, thereby preventing dust accumulation on the surface of the heat dissipation fins and improving the heat dissipation effect of the heat dissipation fins. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the mounting bracket structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the circular box structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the sealing ring structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the spring structure of this utility model.

[0022] In the diagram: 1. Mounting plate; 2. Converter; 3. Knob; 4. Circuit breaker; 5. Sealing structure; 51. Mounting bracket; 52. Bolt; 53. Sealing ring; 54. Round box; 55. Airbag; 56. Air tube; 57. Bracket; 58. Rectangular box; 59. Piston plate; 510. Lead screw; 511. Handle; 6. Heat dissipation structure; 61. Heat dissipation fins; 62. Scraper; 63. Lifting rope; 64. Fixing ring; 65. Hook; 66. Rotating rod; 67. Round rod; 68. Spring. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figure 1 As shown, a dual power supply switching switch includes a mounting plate 1, a converter 2 is fixedly mounted on the middle of the top of the mounting plate 1, a knob 3 is fixedly mounted on the top of the converter 2, circuit breakers 4 are fixedly mounted on the left and right sides of the top of the mounting plate 1, a sealing structure 5 is fixedly mounted on the top of each of the two circuit breakers 4, and a heat dissipation structure 6 is fixedly mounted on the bottom of the mounting plate 1.

[0025] By setting a sealing structure 5, the sealing ring 53 maintains a relative seal at the fixing screw, which can prevent accidental loosening and corrosion, thus affecting the normal use of the circuit breaker 4. The airbag 55 can expand and fill the gap between the wire and the mounting bracket 51, thereby improving the sealing effect between the wire and the circuit breaker 4, thus improving the waterproof performance of the circuit breaker 4, and thus improving the practicality of the dual power transfer switch.

[0026] like Figure 2 and Figure 4 As shown, the sealing structure 5 includes two mounting brackets 51. A sealing ring 53 is fixedly connected to the bottom of the top of each mounting bracket 51. The two sealing rings 53 are located outside the fixing screws on the top of the mounting bracket 51. Bolts 52 are threadedly connected to the left and right positions of the top of the two mounting brackets 51. The outer walls of the four bolts 52 are fixedly connected to the four corners of the top of the circuit breaker 4.

[0027] By setting a sealing ring 53, the sealing ring 53 is kept outside the fixing screw. The mounting bracket 51 is then fixed by bolts 52. Under the action of the sealing ring 53, the fixing screw is kept relatively sealed, which can prevent it from being accidentally loosened and also prevent it from rusting, thus affecting the normal use of the circuit breaker 4.

[0028] like Figure 3 As shown, several round boxes 54 are fixedly connected to the middle of the two mounting brackets 51 on opposite sides, and airbags 55 are fixedly connected inside the round boxes 54.

[0029] By setting up an airbag 55, the airbag 55 can expand and fill the gap between the wire and the mounting bracket 51, thereby improving the sealing effect between the wire and the circuit breaker 4, thereby improving the waterproof performance of the circuit breaker 4, and thus improving the practicality of the dual power transfer switch.

[0030] like Figure 3 As shown, brackets 57 are fixedly connected to the top of both mounting brackets 51. A rectangular box 58 is fixedly connected to the top of the bracket 57. A piston plate 59 is slidably connected inside the rectangular box 58. A lead screw 510 is rotatably connected to the top of the piston plate 59. A handle 511 is fixedly connected to the top of the lead screw 510. An air tube 56 is fixedly connected to the bottom of the rectangular box 58. The bottom of the air tube 56 extends out of the bottom of the top of the bracket 57 and penetrates into the interior of the round box 54. The bottom of the air tube 56 is fixedly connected to the top of the outer wall of the airbag 55.

[0031] By setting the piston plate 59 and rotating the handle 511, the lead screw 510 is driven to rotate, which causes the piston plate 59 to slide down, thereby squeezing the air inside the rectangular box 58 into the airbag 55 through the air pipe 56, which in turn causes the airbag 55 to inflate.

[0032] like Figure 5 As shown, the heat dissipation structure 6 includes heat dissipation fins 61. The top end of the heat dissipation fins 61 is fixedly connected to the bottom end of the mounting plate 1. Two round rods 67 are fixedly connected to the opposite surfaces of the left and right sides of the mounting plate 1. Scrapers 62 are slidably connected to the outer walls of the two round rods 67. The top of the scrapers 62 is slidably connected to the outer wall of the heat dissipation fins 61.

[0033] By setting heat dissipation fins 61, the heat dissipation area of ​​circuit breaker 4 is expanded, thereby improving the heat dissipation effect of circuit breaker 4, ensuring the performance of circuit breaker 4 and extending its service life.

[0034] like Figure 5 As shown, rotating rods 66 are fixedly connected to the left and right sides of the bottom of the mounting plate 1. A lifting rope 63 is fixedly connected to the right side of the scraper 62. The outer wall of the right side of the lifting rope 63 overlaps with the outer wall of the rotating rod 66. A fixing ring 64 is fixedly connected to the right end of the lifting rope 63. A hook 65 is fixedly connected to the right side of the circuit breaker 4. The outer wall of the hook 65 is movably sleeved with the inside of the fixing ring 64. Springs 68 are movably sleeved on the outside of the right ends of the two round rods 67. The left ends of the two springs 68 are fixedly connected to the front and rear positions of the right side of the scraper 62, respectively. The right ends of the two springs 68 are fixedly connected to the left side of the front and rear positions of the right side of the mounting plate 1, respectively.

[0035] By setting up a scraper 62, removing the fixing ring 64 at the hook 65, and then pulling the fixing ring 64, the hanging rope 63 is driven to pull the scraper 62, thereby cleaning the heat dissipation fins 61 on the surface of the scraper 62, thus preventing dust accumulation on the surface of the heat dissipation fins 61 and improving the heat dissipation effect of the heat dissipation fins 61.

[0036] The working principle of this utility model is as follows: When in use, the circuit breaker 4 is connected to an external line. By rotating the knob 3, the lines of the two circuit breakers 4 can be switched, thus achieving dual power supply switching. When the circuit breaker 4 is connected to the wire, first pass the wire through the round hole at the bottom of the mounting bracket 51, then fix the wire with the fixing screw. Next, attach the mounting bracket 51 to both sides of the circuit breaker 4, keeping the sealing ring 53 outside the fixing screw. Then, use the bolt 52 to fix the mounting bracket 51. At this time, under the action of the sealing ring 53, a relative seal is maintained at the fixing screw, which can prevent accidental loosening and corrosion, thus preventing the normal use of the circuit breaker 4. Then, rotate the handle 511, which drives the lead screw 510 to rotate, causing the piston plate 59 to slide down. This forces the air inside the rectangular box 58 through the air pipe 56 into the air bladder 55, causing the air bladder 55 to inflate and fill the gap between the wire and the mounting bracket 51, thereby improving the conductivity. The sealing effect between the line and the circuit breaker 4 is improved, thereby enhancing the waterproof performance of the circuit breaker 4 and improving the practicality of the dual power transfer switch. After prolonged use, the circuit breaker 4's own temperature rises. At this time, the heat dissipation fins 61 expand the heat dissipation area of ​​the circuit breaker 4, thereby improving the heat dissipation effect of the circuit breaker 4, ensuring the performance of the circuit breaker 4, and extending its service life. After prolonged use, the fixing ring 64 is removed from the hook 65, and the fixing ring 64 is pulled, thereby driving the hanging rope 63 to pull the scraper 62, causing the scraper 62 to clean the heat dissipation fins 61 on the surface of the scraper 62, thereby preventing dust accumulation on the surface of the heat dissipation fins 61 and improving the heat dissipation effect of the heat dissipation fins 61. At the same time, when the scraper 62 is pulled to the far right, the fixing ring 64 is loosened. At this time, under the reaction force of the spring 68, the scraper 62 slides to the left to reset. Then, the fixing ring 64 is reattached to the hook 65, thereby re-limiting the scraper 62.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A dual-power transfer switch, comprising a mounting plate (1), characterized in that: A converter (2) is fixedly installed at the middle of the top of the mounting plate (1). A knob (3) is fixedly installed at the top of the converter (2). Circuit breakers (4) are fixedly installed at the left and right positions of the top of the mounting plate (1). A sealing structure (5) is fixedly installed at the top of the two circuit breakers (4). A heat dissipation structure (6) is fixedly installed at the bottom of the mounting plate (1).

2. The dual power supply switching switch according to claim 1, characterized in that: The sealing structure (5) includes two mounting brackets (51). The bottom of the top of each of the two mounting brackets (51) is fixedly connected with a sealing ring (53). The two sealing rings (53) are located outside the fixing screws on the top of the mounting brackets (51). Bolts (52) are threadedly connected to the left and right positions of the top of the two mounting brackets (51). The outer walls of the four bolts (52) are fixedly connected to the four corners of the top of the circuit breaker (4).

3. A dual power supply switching switch according to claim 2, characterized in that: Several round boxes (54) are fixedly connected to the middle of the two mounting brackets (51) on opposite sides, and airbags (55) are fixedly connected inside each round box (54).

4. A dual power supply switching switch according to claim 3, characterized in that: The top of each of the two mounting brackets (51) is fixedly connected to a bracket (57). The top of the bracket (57) is fixedly connected to a rectangular box (58). The inside of the rectangular box (58) is slidably connected to a piston plate (59). The top of the piston plate (59) is rotatably connected to a lead screw (510). The top of the lead screw (510) is fixedly connected to a handle (511). The bottom of the rectangular box (58) is fixedly connected to an air tube (56). The bottom of the air tube (56) extends out of the bottom of the top of the bracket (57). The bottom of the air tube (56) penetrates into the inside of the round box (54). The bottom of the air tube (56) is fixedly connected to the top of the outer wall of the airbag (55).

5. A dual power supply switching switch according to claim 1, characterized in that: The heat dissipation structure (6) includes heat dissipation fins (61), the top of the heat dissipation fins (61) is fixedly connected to the bottom of the mounting plate (1), and two round rods (67) are fixedly connected to the opposite surfaces of the left and right sides of the mounting plate (1). Scrapers (62) are slidably connected to the outer walls of the two round rods (67), and the top of the scrapers (62) is slidably connected to the outer wall of the heat dissipation fins (61).

6. A dual power supply switching switch according to claim 5, characterized in that: Rotating rods (66) are fixedly connected to the left and right sides of the bottom of the mounting plate (1). A hanging rope (63) is fixedly connected to the right side of the scraper (62). The outer wall of the right side of the hanging rope (63) overlaps with the outer wall of the rotating rod (66). A fixing ring (64) is fixedly connected to the right end of the hanging rope (63). A hook (65) is fixedly connected to the right side of the circuit breaker (4). The outer wall of the hook (65) is movably connected to the inside of the fixing ring (64). Springs (68) are movably connected to the outside of the right ends of the two round rods (67). The left ends of the two springs (68) are fixedly connected to the front and rear positions of the right side of the scraper (62) respectively. The right ends of the two springs (68) are fixedly connected to the left side of the front and rear positions of the right side of the mounting plate (1) respectively.

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