Anti-leakage power supply isolation device

Abstract

The utility model provides an anti-leakage power supply isolation device, which belongs to the technical field of power supply protection, and comprises a casing, cabinet doors rotationally connected to one side of the casing, an observation window mounted at the top end of one group of cabinet doors, a circuit breaker mounted at the bottom end of one side of a movable plate, and a switch connected with the movable plate, the loading and unloading structure comprises mounting grooves fixed to the two sides of the interior of the machine shell, rolling wheels which slide in the mounting grooves and are connected with the moving plate, and a locking assembly arranged at the bottom end of the moving plate. According to the utility model, the push arm drives the fixed pin to leave the interior of the positioning block by pulling the pull rod, the movable seat is transversely pulled, the roller drives the movable plate to leave the interior of the casing, and the wiring board, the disconnecting switch and the circuit breaker are taken out, so that the function of easy maintenance of the device is realized, and the whole electrical equipment can be conveniently taken out for maintenance; therefore, the maintenance efficiency is improved, and meanwhile, maintenance personnel can more comprehensively inspect all parts and connecting points of the equipment to ensure that no omission exists.

Description

Technical Field

[0001] This utility model relates to the field of power protection technology, specifically to a leakage protection power isolation device. Background Technology

[0002] Leakage protection power isolation devices are primarily used to physically isolate electrical equipment from the power supply. This ensures that the connection between the equipment and the power supply is disconnected during equipment maintenance or repair, preventing electrical accidents and protecting personnel safety. Furthermore, high-frequency signals generated by classified equipment during operation may leak through the power line. The filtering and isolation technologies in leakage protection power isolation devices effectively block and absorb electromagnetic signal leakage from electronic equipment, thereby protecting the security of classified information.

[0003] Chinese patent publication number 202120231971.2 discloses a power isolation device for industrial automation instruments, including a device box. A rotating sleeve is rotatably connected to the middle of the top of the device box. An exhaust port is opened on the top of the device box. Guide frames are slidably connected to both sides of the top of the device box. A lifting motor located on one side of the rotating sleeve is fixedly installed on the top of the inside of the device box. A dustproof grille located below the exhaust port is fixedly installed on the top of the inside of the device box. A mounting frame is fixedly installed inside the device box. An air intake fan is fixedly installed at the bottom of the inside of the device box. An air supply pipe is provided on one side of the air intake fan, and an air inlet pipe is provided on the other side of the air intake fan. A power isolation mechanism is fixedly installed on the top of the mounting frame. The key technical point is that it solves the problem of poor heat dissipation and low cooling efficiency of the power isolation device, thereby improving the heat dissipation effect and accelerating the cooling speed.

[0004] The aforementioned patent still has the following shortcomings: it is not convenient to install and maintain electrical equipment. Since the device often contains multiple components and complex wiring, it increases the complexity of installation. At the same time, the small space inside the device limits the space for maintenance of electrical equipment, increasing the difficulty and danger of maintenance. Utility Model Content

[0005] This invention provides a leakage-proof power isolation device that solves the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0007] An embodiment of this utility model provides a leakage-proof power isolation device, including a housing, and further comprising:

[0008] Cabinet doors are rotatably connected to one side of the housing, and an observation window is installed at the top of one set of cabinet doors;

[0009] The ventilation holes are located inside the sides of the casing.

[0010] The isolation transformer is installed at the bottom inside the casing;

[0011] A movable plate is detachably installed at the top of the machine housing, and a terminal block is installed at the top of one side of the movable plate, an isolating switch is installed on one side of the movable plate, and a circuit breaker is installed at the bottom of one side of the movable plate.

[0012] The loading and unloading structure is set at the bottom of the movable plate, wherein the loading and unloading structure includes mounting grooves fixed on both sides inside the housing, rollers sliding inside the mounting grooves and connected to the movable plate, and a locking assembly set at the bottom of the movable plate.

[0013] The wire fixing structure is located on one side of the moving plate and is used to fix and organize the wires.

[0014] Through the above technical solution, the device is connected to the circuit by the terminal block, the isolation transformer isolates the circuit input and output terminals, ensuring the safety and stability of the circuit, and the disconnect switch switches the circuit for switching and scheduling. When the circuit experiences overload, short circuit or undervoltage faults, the circuit breaker automatically disconnects the circuit to prevent the fault from escalating and protect the safety of the circuit and equipment.

[0015] Furthermore, the locking assembly includes a movable seat fixed to the bottom end of the movable plate, a pull rod slidably connected inside the bottom end of the movable seat, a tension spring fixed to the bottom end of the pull rod and connected to the movable seat, push arms rotatably connected to both sides of the pull rod, guide blocks fixed to both sides inside the movable seat, a fixing pin slidably inside the guide block and rotatably connected to the push arm, and positioning blocks fixed to both sides inside the housing.

[0016] Using the above technical solution, by pulling the lever, the push arm drives the fixed pin away from the inside of the positioning block, and by pulling the moving seat laterally, the roller drives the moving plate away from the inside of the machine casing, so that the terminal block, disconnecting switch and circuit breaker can be removed.

[0017] Furthermore, the positioning block and the fixing pin form a plug-in structure, and the positioning block and the housing are welded together as an integrated structure.

[0018] The above technical solution allows for the easy installation of the movable plate into the housing by inserting a fixing pin into the positioning block.

[0019] Furthermore, when the fixing pin is inserted into the positioning block, the tension spring is in its natural state, and the roller is placed inside the mounting groove.

[0020] The above technical solution utilizes the force of the stretching spring to prevent the fixing pin from easily leaving the interior of the positioning block during daily use.

[0021] Further, the fixed line structure comprises a base fixed on one side of the moving plate, a wire laying groove opened at the top end of the base, a connecting hinge installed at the top end of one side of the base, a pressing plate fixed on one side of the connecting hinge, a moving column rotatably connected at the top end of the other side of the base, a pressing ring sliding on the outside of the moving column, and a reset spring installed between the pressing ring and the moving column.

[0022] By the above technical scheme, the pressing plate is closed with the base, the wire is clamped between the pressing plate and the base, the position between the pressing plate and the base is fixed by the reset spring pressing the pressing plate through the pressing ring.

[0023] Further, one side of the pressing plate is provided with a groove matched with the moving column, and the pressing plate is rotatably connected with the base through the connecting hinge.

[0024] By the above technical scheme, when the moving column moves into the groove on one side of the pressing plate, the pressing ring presses the pressing plate, and the position between the pressing plate and the base is fixed.

[0025] The above scheme of the utility model has at least the following beneficial effects:

[0026] The utility model discloses a fixing pin is driven to leave the inside of the positioning block by pulling the pull rod and making the push arm, the moving seat is pulled horizontally, the roller drives the moving plate to leave the inside of the shell, and the wiring board, the disconnecting switch and the circuit breaker are taken out, so the easy maintenance function of the device is realized, the electrical equipment whole is taken out and is overhauled conveniently, thereby the overhauling efficiency is improved, meanwhile, the overhaul personnel can more comprehensively check each component and connecting point of the equipment, and it is ensured that there is no omission.

[0027] The utility model discloses a pressing plate is closed with the base, the wire is clamped between the pressing plate and the base, the position between the pressing plate and the base is fixed by the reset spring and the pressing ring, so the wire arrangement function of the device is realized, after the wire arrangement is fixed, the equipment failure caused by the wire slackening or falling off is reduced, and the stability and reliability of the electrical equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is one of the structural schematic diagram of the utility model;

[0029] Figure 2 It is the second structural schematic diagram of the utility model;

[0030] Figure 3 It is the three-dimensional structure schematic diagram of the loading and unloading structure provided by the utility model;

[0031] Figure 4 It is the three-dimensional sectional structure schematic diagram of the loading and unloading structure provided by the utility model;

[0032] Figure 5The utility model provides a fixed wire structure three -dimensional section structure schematic diagram.

[0033] Mark explanation:

[0034] 1, casing; 2, disconnecting switch; 3, fixed wire structure; 301, pressing plate; 302, connecting hinge; 303, wire slot; 304, base; 305, moving column; 306, compression ring; 307, reset spring; 4, circuit breaker; 5, loading and unloading structure; 501, moving seat; 502, pull rod; 503, roller; 504, mounting groove; 505, tension spring; 506, push arm; 507, guide block; 508, positioning block; 509, fixed pin; 6, heat dissipation hole; 7, isolation transformer; 8, cabinet door; 9, observation window; 10, moving plate; 11, wiring board. DETAILED DESCRIPTION

[0035] Exemplary embodiments of the utility model will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the utility model and to convey the scope of the utility model to those skilled in the art.

[0036] As Figures 1 to 5 shown, the utility model discloses an anti-leakage power supply isolation device, including: an anti-leakage power supply isolation device, including casing 1, still including: cabinet door 8, rotatory connection in one side of casing 1, wherein a group of cabinet door 8's top end is equipped with observation window 9;Heat dissipation hole 6, open in the inside of both sides of casing 1;Isolation transformer 7, install at the bottom end in the inside of casing 1;Moving plate 10, detachably install at the top end in the inside of casing 1, and moving plate 10 one side's top end is equipped with wiring board 11, and moving plate 10 one side is equipped with disconnecting switch 2, and moving plate 10 one side's bottom end is equipped with circuit breaker 4;

[0037] Loading and unloading structure 5 simultaneously sets up at the bottom end of moving plate 10, wherein, loading and unloading structure 5 includes mounting groove 504 fixed in the inside of both sides of casing 1, roller 503 sliding in the inside of mounting groove 504 and being connected with moving plate 10 and locking assembly setting at the bottom end of moving plate 10;

[0038] Fixed wire structure 3, setting at one side of moving plate 10, is used for fixed arrangement to wire.

[0039] In the embodiment of the utility model, through installing the device at the use position, connecting the terminal block 11 with the circuit, isolating the input end and the output end through the isolation transformer 7, avoiding the direct electrical connection between them, thereby guaranteeing the safety and stability of the circuit, switching and scheduling the circuit through the isolating switch 2, when the circuit has the faults such as overload, short circuit or under voltage, the circuit is automatically cut off by the circuit breaker 4, preventing the fault from expanding, protecting the safety of the circuit and equipment, the mobile plate 10 is convenient to take out through the mounting and dismounting structure 5, so as to facilitate the maintenance and repair of the terminal block 11, the isolating switch 2 and the circuit breaker 4 by the staff, and the wire fixing structure 3 is used for arranging and fixing the wire, so that the wire is not easy to loosen and fall off.

[0040] As shown in Figures 2 to 4 The locking assembly comprises a moving seat 501 fixed at the bottom end of the mobile plate 10, a pull rod 502 slidably connected at the bottom end inside the moving seat 501, a tension spring 505 fixed at the bottom end of the pull rod 502 and connected with the moving seat 501, a push arm 506 rotatably connected at both sides of the pull rod 502, a guide block 507 fixed at both sides inside the moving seat 501, a fixed pin 509 slidably arranged inside the guide block 507 and rotatably connected with the push arm 506, and a positioning block 508 fixed at both sides inside the shell 1, the positioning block 508 and the fixed pin 509 form a plug-in structure, the positioning block 508 and the shell 1 form a welded integrated structure, and when the fixed pin 509 is inserted into the inside of the positioning block 508, the tension spring 505 is in a natural state, and the roller 503 is arranged in the inside of the mounting groove 504.

[0041] In the embodiment of the utility model, by pulling the pull rod 502 to move forward, the pull rod 502 pulls the tension spring 505 to stretch, at the same time, the pull rod 502 drives the fixed pin 509 to slide in the inside of the guide block 507 through the push arm 506, so that the fixed pin 509 is away from the inside of the positioning block 508, then the moving seat 501 is pulled horizontally, so that the roller 503 slides in the inside of the mounting groove 504, then the roller 503 drives the mobile plate 10 to leave the inside of the shell 1, and the terminal block 11, the isolating switch 2 and the circuit breaker 4 are taken out, when the moving seat 501 is put into the inside of the shell 1, the fixed pin 509 is inserted into the inside of the positioning block 508 by contracting the tension spring 505 after stretching, so as to fix the moving seat 501 in the inside of the shell 1.

[0042] As shown in Figure 5As shown, the fixed wire structure 3 comprises a base 304 fixed on one side of the mobile plate 10, a wire slot 303 opened at the top end of the base 304, a connecting hinge 302 installed at the top end of one side of the base 304, a pressing plate 301 fixed on one side of the connecting hinge 302, a mobile column 305 rotatably connected at the other top end of the base 304, a pressing ring 306 slidably connected outside the mobile column 305, and a reset spring 307 installed between the pressing ring 306 and the mobile column 305, and one side of the pressing plate 301 is provided with a recess matched with the mobile column 305, and the pressing plate 301 is rotatably connected with the base 304 through the connecting hinge 302.

[0043] In the embodiment of the utility model, the wire is put into the inside of the wire slot 303 to push the pressing plate 301 to rotate around the connecting hinge 302, so that the pressing plate 301 is closed with the base 304, and the wire is clamped between the pressing plate 301 and the base 304, the position of the wire is fixed, the pressing ring 306 is pulled to drive the mobile column 305 to rotate, and the pressing ring 306 is lifted at the same time, so that the reset spring 307 is contracted under pressure, when the mobile column 305 moves to the recess on one side of the pressing plate 301, the pressing ring 306 is loosened, the reset spring 307 pushes the pressing ring 306 to press the pressing plate 301, and the position between the pressing plate 301 and the base 304 is fixed.

[0044] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the utility model.

Claims

1. A leak-proof power supply isolation device comprising a housing (1), characterized in that, Also include: Cabinet door (8), rotating connection in a side of the shell (1), wherein a group of the top of the cabinet door (8) is provided with an observation window (9); The heat dissipation hole (6) is arranged in the inside of the both sides of the shell (1); The isolation transformer (7) is installed at the bottom of the inside of the shell (1); The moving plate (10) is detachably installed at the top of the inside of the shell (1), and the top of one side of the moving plate (10) is provided with a terminal block (11), one side of the moving plate (10) is provided with a disconnecting switch (2), and the bottom of one side of the moving plate (10) is provided with a circuit breaker (4); The mounting structure (5) is arranged at the bottom of the moving plate (10), wherein the mounting structure (5) comprises mounting grooves (504) fixed on both sides of the inside of the shell (1), rollers (503) sliding in the mounting grooves (504) and connected with the moving plate (10), and locking assemblies arranged at the bottom of the moving plate (10); The wire fixing structure (3) is arranged on one side of the moving plate (10) and is used for fixing and arranging the wires.

2. A leakproof power isolation device according to claim 1, wherein, The locking assembly comprises a moving seat (501) fixed at the bottom of the moving plate (10), a pull rod (502) slidingly connected in the inside of the bottom of the moving seat (501), a tension spring (505) fixed at the bottom of the pull rod (502) and connected with the moving seat (501), push arms (506) rotatably connected on both sides of the pull rod (502), guide blocks (507) fixed on both sides of the inside of the moving seat (501), fixed pins (509) sliding in the guide blocks (507) and rotatably connected with the push arms (506), and positioning blocks (508) fixed on both sides of the inside of the shell (1).

3. A leakproof power isolation device according to claim 2, wherein, The positioning block (508) and the fixed pin (509) form a plug-in structure, and the positioning block (508) and the shell (1) are integrally welded.

4. A leakproof power isolation device as claimed in claim 2, wherein, When the fixed pin (509) is inserted into the inside of the positioning block (508), the tension spring (505) is in a natural state, and the roller (503) is placed in the inside of the mounting groove (504).

5. A leakproof power isolation device as defined in claim 1, wherein, The wire fixing structure (3) comprises a base (304) fixed on one side of the moving plate (10), a wire releasing groove (303) arranged at the top of the base (304), a connecting hinge (302) installed at the top of one side of the base (304), a pressing plate (301) fixed on one side of the connecting hinge (302), a moving column (305) rotatably connected at the top of the other side of the base (304), a pressing ring (306) sliding on the outside of the moving column (305), and a return spring (307) installed between the pressing ring (306) and the moving column (305).

6. A leakproof power isolation device as claimed in claim 5, wherein, One side of the pressing plate (301) is provided with a groove matched with the moving column (305), and the pressing plate (301) and the base (304) form a rotating structure through the connecting hinge (302).

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