Photovoltaic disconnector with quick installation limit

Abstract

The utility model relates to photovoltaic shut-off device technical field, concretely is a kind of photovoltaic shut-off device with quick installation limit, including shell and shut-off device, the shell inside is equipped with linkage mechanism, the linkage mechanism includes rotating lever, two limit clamps and two guide grooves, rotating lever is rotatably connected with multiple support rods, adjacent the support rod is rotatably connected with linkage lever, the linkage lever bottom end is hinged with hinged seat, the hinged seat bottom end is fixedly connected with lifting block, the lifting block bottom end is all set with extrusion groove, the lifting block side wall is all fixedly connected with guide rod, rotating lever one end is fixedly connected with push block, the utility model has beneficial effect: the whole dismounting process does not need to lend on any external tool, also saved the tedious step of operating bolt one by one, not only greatly improved the operation convenience, while simplifying the operation process, shorten dismounting time consumption, practicality significantly enhances.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic shut-off technology, specifically a photovoltaic shut-off device with a quick-installation limit switch. Background Technology

[0002] With the advancement of photovoltaic technology, the power rating and current and voltage of photovoltaic products are constantly improving, and module-level rapid shutdown is widely used in the field of photovoltaic equipment safety.

[0003] Because photovoltaic circuit breakers need to be installed in outdoor environments, they are usually placed inside a protective housing for protection, and the two ultimately form a whole structure. However, in the current technology, the circuit breaker and the protective housing are mostly fixed by bolts. During installation, each bolt must be aligned and tightened to fix the circuit breaker. During disassembly, external tools such as wrenches are needed to loosen and remove the bolts one by one. The entire disassembly and assembly process depends entirely on external tools, which not only increases the number of operation steps and time costs, but also further limits the convenience of carrying and operating tools, especially in outdoor high-altitude operation scenarios, resulting in a significant reduction in the overall ease of disassembly and assembly. Utility Model Content

[0004] The purpose of this invention is to provide a photovoltaic shut-off device with a quick-installation limit switch to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a photovoltaic switch with quick installation limit, comprising a housing and a switch, wherein symmetrically arranged connecting blocks are fixedly connected to the switch, and a linkage mechanism is provided inside the housing, the linkage mechanism comprising a rotating rod, two limit clamps and two guide grooves, multiple support rods are rotatably connected to the rotating rod, and adjacent support rods are rotatably connected to a linkage rod, each linkage rod having a hinge seat at its bottom end, each hinge seat having a lifting block fixedly connected to its bottom end, each lifting block having a pressing groove at its bottom end, and each lifting block having a guide rod fixedly connected to its side wall, one end of the rotating rod having a push block fixedly connected to it, and a torsion spring being fixedly connected to the rotating rod via a ring.

[0006] Preferably, a door is rotatably connected to the housing, and a handle is fixedly connected to the door.

[0007] Preferably, the rotating rod is rotatably connected to the top position inside the housing, the limiting clamps are symmetrically fixed inside the housing, and the guide grooves are respectively opened on the inner side wall of the housing.

[0008] Preferably, all guide rods are T-shaped and are slidably connected to corresponding guide grooves.

[0009] Preferably, the front end of each limiting clamp slides through the connecting block, and the front end of each limiting clamp abuts against the connecting block; one side of the torsion spring is fixedly connected to the inner wall of the housing.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: the linkage mechanism enables the quick installation and fixation of the circuit breaker inside the housing, eliminating the need for bolt alignment as in the traditional method; when the circuit breaker needs to be removed, simply rotating the rotating rod drives the components of the linkage mechanism to operate synchronously, quickly releasing the limiting fixation of the circuit breaker. The entire disassembly and assembly process does not require any external tools and eliminates the tedious steps of operating each bolt individually, which not only greatly improves the convenience of operation but also simplifies the operation process, shortens the disassembly and assembly time, and significantly enhances its practicality. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the shell of this utility model; Figure 3 This is a schematic diagram of the linkage mechanism and the housing separation structure of this utility model; Figure 4 This is a detailed structural diagram of the lifting block of this utility model.

[0012] In the diagram: 1. Housing; 2. Shut-off device; 3. Connecting block; 4. Linkage mechanism; 41. Rotating rod; 42. Limiting clamp; 43. Guide groove; 44. Support rod; 45. Linkage rod; 46. Hinge seat; 47. Lifting block; 48. Pressing groove; 49. Guide rod; 401. Pushing block; 402. Torsion spring; 5. Door; 6. Handle. Detailed Implementation

[0013] 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.

[0014] Please see Figure 1-4 The present invention provides the following technical solution: Example 1: A photovoltaic switch with quick installation limit includes a housing 1 and a switch 2. The switch 2 is fixedly connected to symmetrically arranged connecting blocks 3. The housing 1 is provided with a linkage mechanism 4. The linkage mechanism 4 includes a rotating rod 41, two limit clamps 42 and two guide grooves 43. Multiple support rods 44 are rotatably connected to the rotating rod 41. Adjacent support rods 44 are rotatably connected to a linkage rod 45. The bottom end of the linkage rod 45 is hinged to a hinge seat 46. The bottom end of the hinge seat 46 is fixedly connected to a lifting block 47. The bottom end of the lifting block 47 is provided with a pressing groove 48. The side wall of the lifting block 47 is fixedly connected to a guide rod 49. One end of the rotating rod 41 is fixedly connected to a push block 401. A torsion spring 402 is fixedly connected to the rotating rod 41 through a ring. Rotating rod 41 is rotatably connected to the top of the inside of housing 1. Limiting clamp 42 is symmetrically fixed inside housing 1. Guide grooves 43 are respectively opened on the inner side wall of housing 1. Guide rods 49 are all T-shaped and are slidably connected to the corresponding guide grooves 43. The front end of the limiting clamp 42 slides through the connecting block 3 and abuts against the connecting block 3. One side of torsion spring 402 is fixedly connected to the inner wall of housing 1. In use, the two connecting blocks 3 on the circuit breaker 2 can be directly aligned with the limiting clamps 42. The connecting blocks 3 are then forcefully connected to the limiting clamps 42. The open portion of the connecting block 3 will press against the inclined outer wall of the side rod of the limiting clamp 42, causing the limiting clamp 42 to deform. After the connecting block 3 and the limiting clamp 42 are connected, the limiting clamp 42 will return to its original position due to its own resilience, completing the contact with the connecting block 3. At this point, the circuit breaker 2 is installed. For disassembly, simply rotate the pushing block 401 towards the front. This rotation of the pushing block 401 will cause the rotating rod 41 to rotate, which in turn will cause multiple support rods 44 to move downwards. The rotation of the support rod 44 will also cause the torsion spring 402 to rotate and twist. The rotation of the support rod 44 will also act on the connecting rod 45, causing the connecting rod 45 to move downward. The downward movement of the connecting rod 45 will drive the lifting block 47 to move downward through the hinge seat 46. The downward movement of the lifting block 47 will cause the guide rod 49 to slide inside the guide groove 43. At the same time, the downward movement of the lifting block 47 will also cause the pressing groove 48 to press the limiting clamp 42, causing the two side rods of the limiting clamp 42 to deform towards the middle at the same time. At this time, the side rods of the limiting clamp 42 will no longer abut against the connecting block 3, and the shut-off device 2 can be removed. The operation is very convenient. The torsion spring 402 is responsible for driving the rotating rod 41 to return to its original position.

[0015] Example 2: The technical solution of this example that differs from that of Example 1 includes: a door 5 is rotatably connected to the shell 1, and a handle 6 is fixedly connected to the door 5; When in use, the door 5 provides protection for the front end of the housing 1, while the handle 6 facilitates pulling the door 5.

[0016] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic shut-off device with a quick-installation limit switch, characterized in that: The device includes a housing (1) and a shut-off device (2). A symmetrically arranged connecting block (3) is fixedly connected to the shut-off device (2). A linkage mechanism (4) is provided inside the housing (1). The linkage mechanism (4) includes a rotating rod (41), two limit clamps (42) and two guide grooves (43). Multiple support rods (44) are rotatably connected to the rotating rod (41). Adjacent support rods (44) are rotatably connected to a linkage rod (45). A hinge seat (46) is hinged to the bottom end of each linkage rod (45). A lifting block (47) is fixedly connected to the bottom end of each hinge seat (46). A pressing groove (48) is opened at the bottom end of each lifting block (47). A guide rod (49) is fixedly connected to the side wall of each lifting block (47). A push block (401) is fixedly connected to one end of the rotating rod (41). A torsion spring (402) is fixedly connected to the rotating rod (41) through a ring.

2. A photovoltaic switch with a quick-installation limit switch according to claim 1, characterized in that: A door (5) is rotatably connected to the housing (1), and a handle (6) is fixedly connected to the door (5).

3. A photovoltaic switch with a quick-installation limit switch according to claim 1, characterized in that: The rotating rod (41) is rotatably connected to the top position inside the housing (1), the limiting clamp (42) is symmetrically fixed inside the housing (1), and the guide groove (43) is respectively opened on the inner side wall of the housing (1).

4. A photovoltaic switch with a quick-installation limit as described in claim 1, characterized in that: All guide rods (49) are T-shaped and are slidably connected to the corresponding guide grooves (43).

5. A photovoltaic switch with a quick-installation limit switch according to claim 1, characterized in that: The front end of each limiting clamp (42) slides through the connecting block (3), and the front end of each limiting clamp (42) abuts against the connecting block (3). One side of the torsion spring (402) is fixedly connected to the inner wall of the shell (1).

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