Electric leakage protection device for electric power facility

Abstract

The invention provides an electric power facility electric leakage protection device, and relates to the technical field of electric leakage protection devices.The electric power facility electric leakage protection device comprises a device box, the left end and the right end of the device box are each provided with two connecting plates, through holes are formed in the surfaces of the connecting plates, and a cover plate is arranged at the rear end of the device box and connected with the device box through bolts; and a warning mechanism is fixedly mounted in the device box. According to the invention, after electric leakage of a circuit occurs, a control switch is switched off, a conductive plugboard on the surface of a sliding plate is plugged in a slot at the front end of a mounting seat, the mounting seat and a power supply assembly are in a closed state, and a sound alarm and a light alarm at the upper end of the mounting seat give an alarm, so that a worker is reminded of timely maintenance; the problems that the leakage protector is lack of a warning structure, after a circuit is disconnected, a warning signal cannot be transmitted outwards, and when an electric wire is pulled by external force, the interface between the electric wire and the leakage protector is prone to loosening are solved.

Description

Technical Field

[0001] The invention relates to the technical field of leakage protection devices, and in particular to a leakage protection device for electric power facilities. Background Art

[0002] The distribution box is a commonly used electrical equipment. High and low voltage electrical appliances, relays, transformers, power terminals and other components are installed inside the distribution box. In addition, a leakage protector is also installed inside the distribution box, which can disconnect the circuit in time after a leakage occurs.

[0003] However, the current leakage protector still has the following two shortcomings in use:

[0004] First, the leakage protector itself lacks a warning structure. After disconnecting the circuit, it cannot transmit a warning signal to the outside, resulting in no workers maintaining the circuit in the first place.

[0005] Secondly, the leakage protector is connected to the live wire and the neutral wire. When the live wire and the neutral wire are pulled by external force, the interface between the wires and the leakage protector may become loose, affecting the normal operation of the leakage protector. Summary of the invention

[0006] In view of this, the present invention provides a leakage protection device for electric power facilities to solve the problem that the leakage protector itself lacks a warning structure and cannot transmit a warning signal to the outside after disconnecting the circuit, resulting in no workers to maintain the circuit in the first time, and the interface between the wires and the leakage protector is prone to loosening when the wires are pulled by external force, thereby affecting the normal operation of the leakage protector.

[0007] The present invention provides a purpose and function of a leakage protection device for electric power facilities, specifically comprising: a leakage protector;

[0008] The lower end surface of the leakage protector is fixedly mounted with a base plate, the front end surface of the leakage protector is provided with two wire inlet holes, the upper ends of the wire inlet holes are provided with a first fixing hole, the rear end surface of the leakage protector is provided with two wire outlet holes, the upper ends of the wire outlet holes are provided with a second fixing hole, and the top surface of the leakage protector is provided with a control switch;

[0009] A device box, wherein two connecting plates are respectively installed at the left and right ends of the device box, through holes are opened on the surfaces of the connecting plates, a cover plate is provided at the rear end of the device box, the cover plate and the device box are connected by bolts, a warning mechanism is fixedly installed inside the device box, and ventilation holes are opened on the surfaces of the left and right side plates of the device box;

[0010] A front baffle, wherein two slide bars are fixedly mounted on the rear end surface of the front baffle, and the slide bars are slidably mounted in the circular holes on the front end surface of the device box, and the front baffle is located directly behind the control switch;

[0011] The sliding plate is located inside the device box, the left and right ends of the sliding plate are respectively fitted with the inner end surfaces of the left and right side plates of the device box, and the rear end side of the sliding rod is fixedly connected to the sliding plate.

[0012] Furthermore, interception blocks are evenly installed on the bottom surfaces of the inlet and outlet holes, and the front end surfaces of the interception blocks are inclined.

[0013] Furthermore, the warning mechanism includes:

[0014] The power supply component is fixedly installed inside the device box. A wire is installed at each end of the power supply component. A conductive block is fixedly installed at the end of the wire. The front end surface of the conductive block is arranged in an inclined structure.

[0015] Furthermore, the warning mechanism also includes:

[0016] The mounting base is fixedly installed inside the device box, the mounting base is located in front of the power supply component, a light alarm and a sound alarm are installed on the upper end surface of the mounting base, a slot is opened on the front end surface of the mounting base, and conductive blocks are located at both ends of the slot.

[0017] Furthermore, a conductive plug plate is fixedly mounted on the rear end surface of the sliding plate, and when the control switch is in a closed state, the conductive plug plate is plugged into a slot on the front end surface of the mounting seat.

[0018] Furthermore, the upper end surface of the front baffle is an inclined structure, and a compression spring is sleeved on the outside of the slide rod at the rear end of the front baffle, the front end of the compression spring is fixedly connected to the front baffle, and the rear end of the compression spring is fixedly connected to the device box.

[0019] Furthermore, a drying box is fixedly mounted on the front end of the cover plate, the interior of the drying box is filled with desiccant, and the exterior of the drying box is evenly provided with through holes.

[0020] Furthermore, the upper end surface of the leakage protector is provided with two transverse sliding grooves, a fastening block is slidably mounted inside the transverse sliding groove, a fastening screw is fixedly mounted on the upper end of the fastening block, and the fastening screw is clamped in the through hole on the surface of the connecting plate.

[0021] Furthermore, three groups of connection holes are symmetrically opened on the surface of the substrate, and the main body of the connection holes is a convex structure.

[0022] The present invention provides a leakage protection device for electric power facilities, which has the following beneficial effects:

[0023] In the present invention, interception blocks are evenly installed on the bottom surface of the wire inlet hole, and the front end surface of the interception block is an inclined structure, which can improve the stability of the neutral wire and the live wire inside the wire inlet hole, so that when the neutral wire and the live wire are pulled by the outside world, the neutral wire and the live wire will not fall out from the inside of the wire inlet hole.

[0024] In addition, the front baffle is located directly behind the control switch. When a leakage occurs in the circuit, the control switch will be disconnected and the control switch will squeeze the front baffle. At this time, the sliding rod will push the sliding plate to move backward. The conductive plug on the surface of the sliding plate will be inserted into the slot at the front end of the mounting base. The mounting base and the power supply component will be in a closed state. The sound alarm and light alarm at the top of the mounting base will sound an alarm, and the sound and light will be transmitted to the outside from the ventilation holes, thereby reminding workers to perform maintenance in time.

[0025] In addition, the fastening block is slidably mounted in the transverse slide groove on the upper end surface of the leakage protector, and the fastening screw at the upper end of the fastening block is clamped in the through hole on the surface of the connecting plate. After the worker tightens the nut on the surface of the fastening screw, the device box can be fixed on the upper end surface of the leakage protector. When the device box needs to be replaced and maintained, the nut on the surface of the fastening screw can be loosened to separate the device box from the leakage protector.

[0026] In addition, a through hole is opened on the surface of the drying box, and the water vapor inside the device box will be absorbed by the desiccant inside the drying box, thereby ensuring the dryness of the inside of the device box. The cover plate is connected to the device box with bolts, so that workers can remove the screws on the surface of the cover plate and regularly replace the desiccant inside the drying box. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0028] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0029] In the attached picture:

[0030] Figure 1 It is a schematic diagram of the overall device structure of the present invention;

[0031] Figure 2 It is a schematic diagram of the structure of the leakage protector and the substrate of the present invention;

[0032] Figure 3 It is a schematic diagram of the connection structure between the device box and the leakage protector of the present invention;

[0033] Figure 4 It is a schematic diagram of the internal device structure of the device box of the present invention;

[0034] Figure 5It is a schematic diagram of the connection structure between the device box and the cover plate of the present invention;

[0035] Figure 6 It is a schematic diagram of the structure of the power supply assembly and the mounting base of the present invention;

[0036] Figure 7 It is a schematic diagram of the structure of the cover plate, drying box and device box of the present invention;

[0037] Figure 8 It is a schematic diagram of the structure of the device box and the connecting plate of the present invention.

[0038] List of reference numerals:

[0039] 1. Leakage protector; 101. Base plate; 1011. Connection hole; 102. Wire inlet hole; 1021. First fixing hole; 103. Wire outlet hole; 1031. Second fixing hole; 104. Horizontal slide groove; 105. Control switch; 2. Device box; 201. Ventilation hole; 3. Connecting plate; 301. Through hole; 4. Cover plate; 401. Drying box; 4011. Through hole; 5. Power supply assembly; 501. Wire; 5011. Conductive block; 6. Mounting seat; 601. Light alarm; 602. Sound alarm; 603. Slot; 7. Front baffle; 701. Slide bar; 702. Compression spring; 8. Sliding plate; 801. Conductive plug plate; 9. Fastening block; 901. Fastening screw; 10. Intercepting block. DETAILED DESCRIPTION

[0040] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of specific embodiments of the present invention.

[0041] Example 1: Please refer to Figures 1 to 8 As shown:

[0042] The present invention provides a leakage protection device for electric power facilities, comprising a leakage protector 1;

[0043] A substrate 101 is fixedly mounted on the lower end surface of the leakage protector 1, two wire inlet holes 102 are provided on the front end surface of the leakage protector 1, a first fixing hole 1021 is provided on the upper end of the wire inlet hole 102, two wire outlet holes 103 are provided on the rear end surface of the leakage protector 1, a second fixing hole 1031 is provided on the upper end of the wire outlet hole 103, and a control switch 105 is provided on the top surface of the leakage protector 1;

[0044] The device box 2 has two connecting plates 3 installed at the left and right ends of the device box 2, and the surfaces of the connecting plates 3 are provided with through holes 301. The rear end of the device box 2 is provided with a cover plate 4, and the cover plate 4 is connected to the device box 2 by bolts. A warning mechanism is fixedly installed inside the device box 2, and the surfaces of the left and right side plates of the device box 2 are provided with ventilation holes 201;

[0045] The front baffle plate 7 has two slide bars 701 fixedly mounted on the rear end surface of the front baffle plate 7. The slide bars 701 are slidably mounted in the circular holes on the front end surface of the device box 2. The front baffle plate 7 is located directly behind the control switch 105.

[0046] The sliding plate 8 is located inside the device box 2 , and the left and right ends of the sliding plate 8 are respectively fitted with the inner end surfaces of the left and right side plates of the device box 2 , and the rear end side of the sliding rod 701 is fixedly connected to the sliding plate 8 .

[0047] Among them, the bottom end surfaces of the inlet hole 102 and the outlet hole 103 are evenly installed with intercepting blocks 10, and the front end surface of the intercepting block 10 is an inclined structure. During use, the two inlet holes 102 are clamped with the neutral wire and the live wire, and the two outlet holes 103 are also correspondingly clamped with the neutral wire and the live wire. The upper end of the inlet hole 102 is provided with a first fixing hole 1021, and the first fixing hole 1021 is provided with a thread. The screw passes through the first fixing hole 1021 and clamps the neutral wire and the live wire inside the inlet hole 102, and the bottom end surface of the inlet hole 102 is evenly installed with intercepting blocks 10, and the front end surface of the intercepting block 10 is an inclined structure, which can improve the stability of the neutral wire and the live wire inside the inlet hole 102, so that when the neutral wire and the live wire are pulled by the outside, the neutral wire and the live wire will not fall out from the inlet hole 102.

[0048] Among them, the warning mechanism includes: a power supply component 5, which is fixedly installed inside the device box 2, with a wire 501 installed at both ends of the power supply component 5, and a conductive block 5011 is fixedly installed at the end of the wire 501, and the front end surface of the conductive block 5011 is arranged in an inclined structure; a mounting seat 6, which is fixedly installed inside the device box 2, and the mounting seat 6 is located in front of the power supply component 5. A light alarm 601 and a sound alarm 602 are installed on the upper end surface of the mounting seat 6, and a slot 603 is opened on the front end surface of the mounting seat 6, and the conductive blocks 5011 are located at both ends of the slot 603.

[0049] By adopting the above scheme, the technical effect brought about is: after the conductive plug board 801 is inserted into the slot 603, the mounting base 6 and the power supply component 5 will be in a closed state, and the sound alarm 602 and the light alarm 601 at the upper end of the mounting base 6 will sound an alarm, and the surface of the device box 2 is provided with a ventilation hole 201, and the sound and light will be transmitted to the outside from the ventilation hole 201, thereby reminding the workers to perform maintenance in time.

[0050] Among them, the rear end surface of the sliding plate 8 is fixedly installed with a conductive plug plate 801. When the control switch 105 is in a closed state, the conductive plug plate 801 is plugged into the slot 603 on the front end surface of the mounting seat 6. The upper end surface of the front baffle 7 is an inclined structure. The sliding rod 701 at the rear end of the front baffle 7 is externally sleeved with a compression spring 702. The front end of the compression spring 702 is fixedly connected to the front baffle 7, and the rear end of the compression spring 702 is fixedly connected to the device box 2. In use, when the circuit is operating normally, the control switch 105 will be in an open state. In the closed state, the control switch 105 is at the side away from the front baffle 7, and the outer sleeve of the slide bar 701 is connected with a compression spring 702. Under the action of the elastic force of the compression spring 702, the sliding plate 8 will fit with the front plate of the device box 2. At this time, the conductive plug 801 is not plugged into the slot 603 at the front end of the mounting seat 6, and the sound alarm 602 and the light alarm 601 will not sound an alarm. When the circuit leaks, the control switch 105 will be disconnected, and the entire circuit will be powered off. When the control switch 105 is disconnected, as shown in the attached Figure 4 As shown, the control switch 105 will squeeze the front baffle 7, the front baffle 7 will move toward the position of the device box 2, the slide bar 701 will push the sliding plate 8 to move backward, and the conductive plug 801 on the surface of the sliding plate 8 will be inserted into the slot 603 at the front end of the mounting seat 6.

[0051] Among them, a drying box 401 is fixedly installed at the front end of the cover plate 4, and the interior of the drying box 401 is filled with desiccant. The exterior of the drying box 401 is evenly provided with through holes 4011. During use, the surface of the drying box 401 is provided with through holes 4011, and the water vapor inside the device box 2 will be absorbed by the desiccant inside the drying box 401, thereby ensuring the dryness of the inside of the device box 2. The cover plate 4 is bolted to the device box 2, so that the worker can remove the screws on the surface of the cover plate 4 and regularly replace the desiccant inside the drying box 401.

[0052] Embodiment 2: The present invention provides a leakage protection device for electric power facilities. Based on the embodiment 1, Figure 1-Figure 8 As shown, it also includes: three groups of connection holes 1011 are symmetrically opened on the surface of the substrate 101, and the main body of the connection hole 1011 is a convex structure. In actual operation, when a worker passes a screw through the connection hole 1011 and turns the screw into the distribution box, the iron filings rotated out by the screw will be stored inside the connection hole 1011, so that the substrate 101 can fit tightly with the distribution box, thereby improving the stability of the substrate 101 inside the distribution box.

[0053] Embodiment 3: The present invention provides a leakage protection device for electric power facilities. Based on the embodiment 1, Figure 1-Figure 8As shown, it also includes: two horizontal sliding grooves 104 are opened on the upper end surface of the leakage protector 1, and a fastening block 9 is slidably mounted inside the horizontal sliding groove 104. A fastening screw 901 is fixedly mounted on the upper end of the fastening block 9, and the fastening screw 901 is clamped in the through hole 301 on the surface of the connecting plate 3.

[0054] By adopting the above scheme, the technical effect brought about is: the fastening block 9 is slidably mounted in the horizontal slide groove 104 on the upper end surface of the leakage protector 1, and the fastening screw 901 at the upper end of the fastening block 9 is clamped in the through hole 301 on the surface of the connecting plate 3. After the worker tightens the nut on the surface of the fastening screw 901, the device box 2 can be fixed on the upper end surface of the leakage protector 1. When the device box 2 needs to be replaced and maintained, the nut on the surface of the fastening screw 901 can be loosened to achieve the separation of the device box 2 from the leakage protector 1.

[0055] Specific usage and function of this embodiment: In the present invention, the two wire inlet holes 102 are internally clamped with the neutral wire and the live wire, and the two wire outlet holes 103 are internally clamped with the neutral wire and the live wire respectively, and the upper end of the wire inlet hole 102 is provided with a first fixing hole 1021, and the first fixing hole 1021 is internally provided with a thread, and the screw passes through the first fixing hole 1021 and clamps the neutral wire and the live wire inside the wire inlet hole 102, and the bottom end surface of the wire inlet hole 102 is evenly installed with an interception block 10, and the front end surface of the interception block 10 is an inclined structure, which can improve the stability of the neutral wire and the live wire inside the wire inlet hole 102, so that when the neutral wire and the live wire are pulled by the outside world, the neutral wire and the live wire will not The control switch 105 is in the on state, and the control switch 105 is on the side away from the front baffle 7. The compression spring 702 is sleeved on the outside of the slide bar 701. Under the action of the elastic force of the compression spring 702, the slide plate 8 will fit with the front plate of the device box 2. At this time, the conductive plug 801 is not plugged into the slot 603 at the front end of the mounting seat 6. The sound alarm 602 and the light alarm 601 will not sound an alarm. When the circuit leaks, the control switch 105 will be disconnected, and the whole circuit will be powered off. When the control switch 105 is disconnected, the control switch 105 will be pressed against the front baffle 7. The front baffle plate 7 will move toward the position of the device box 2, the slide bar 701 will push the sliding plate 8 to move backward, the conductive plug plate 801 on the surface of the sliding plate 8 will be plugged into the slot 603 at the front end of the mounting seat 6, the mounting seat 6 and the power supply component 5 will be in a closed state, the sound alarm 602 and the light alarm 601 at the upper end of the mounting seat 6 will sound an alarm, and the surface of the device box 2 is provided with a ventilation hole 201, the sound and light will be transmitted outward from the ventilation hole 201, so as to remind the workers to maintain in time, the fastening block 9 is slidably mounted in the horizontal slide groove 104 on the upper surface of the leakage protector 1, and the fastening screw 901 at the upper end of the fastening block 9 is clamped on the surface of the connecting plate 3 In the through hole 301 on the surface, after the worker tightens the nut on the surface of the fastening screw 901, the device box 2 can be fixed on the upper end surface of the leakage protector 1. When the device box 2 needs to be replaced and maintained, the nut on the surface of the fastening screw 901 can be loosened to separate the device box 2 from the leakage protector 1. A through hole 4011 is provided on the surface of the drying box 401. The water vapor inside the device box 2 will be absorbed by the desiccant inside the drying box 401, thereby ensuring the dryness of the inside of the device box 2. The cover plate 4 is bolted to the device box 2, so that the worker can take out the screws on the surface of the cover plate 4 and regularly replace the desiccant inside the drying box 401.

Claims

1. A leakage protection device for electric power facilities, characterized in that: The invention comprises a leakage protector (1), wherein a base plate (101) is fixedly mounted on the lower end surface of the leakage protector (1), two wire inlet holes (102) are provided on the front end surface of the leakage protector (1), a first fixing hole (1021) is provided on the upper end of the wire inlet holes (102), two wire outlet holes (103) are provided on the rear end surface of the leakage protector (1), a second fixing hole (1031) is provided on the upper end of the wire outlet holes (103), and a control switch (105) is provided on the top surface of the leakage protector (1); and a device box (2), wherein two connecting plates (3) are respectively mounted on the left and right ends of the device box (2), a through hole (301) is provided on the surface of the connecting plates (3), and a cover (105) is provided on the rear end of the device box (2). The cover plate (4) is connected to the device box (2) by bolts, a warning mechanism is fixedly installed inside the device box (2), and ventilation holes (201) are opened on the surfaces of the left and right side plates of the device box (2); a front baffle (7), two sliding rods (701) are fixedly installed on the rear end surface of the front baffle (7), and the sliding rods (701) are slidably clamped in the circular holes on the front end surface of the device box (2), and the front baffle (7) is located directly behind the control switch (105); a sliding plate (8), the sliding plate (8) is located inside the device box (2), the left and right ends of the sliding plate (8) are respectively fitted with the inner end surfaces of the left and right side plates of the device box (2), and the rear end side of the sliding rod (701) is fixedly connected to the sliding plate (8).

2. A leakage protection device for electric power facilities as claimed in claim 1, characterized in that: The bottom surfaces of the inlet hole (102) and the outlet hole (103) are evenly mounted with interception blocks (10), and the front end surfaces of the interception blocks (10) are in an inclined structure.

3. A leakage protection device for electric power facilities as claimed in claim 1, characterized in that: The warning agencies include: A power supply assembly (5) is fixedly mounted inside the device box (2), a wire (501) is mounted at each end of the power supply assembly (5), a conductive block (5011) is fixedly mounted at the end of the conductive block (501), and a front end surface of the conductive block (5011) is arranged in an inclined structure.

4. A leakage protection device for electric power facilities as claimed in claim 3, characterized in that: The warning mechanism also includes: The mounting seat (6) is fixedly mounted inside the device box (2), the mounting seat (6) is located in front of the power supply assembly (5), a light alarm (601) and a sound alarm (602) are mounted on the upper end surface of the mounting seat (6), a slot (603) is provided on the front end surface of the mounting seat (6), and the conductive blocks (5011) are located at both ends of the slot (603).

5. The leakage protection device for electric power facilities according to claim 1, characterized in that: A conductive plug plate (801) is fixedly mounted on the rear end surface of the sliding plate (8); when the control switch (105) is in a closed state, the conductive plug plate (801) is plugged into a slot (603) on the front end surface of the mounting seat (6).

6. The leakage protection device for electric power facilities according to claim 1, characterized in that: The upper end surface of the front baffle (7) is an inclined structure, and a compression spring (702) is sleeved on the outside of the sliding rod (701) at the rear end of the front baffle (7), the front end of the compression spring (702) is fixedly connected to the front baffle (7), and the rear end of the compression spring (702) is fixedly connected to the device box (2).

7. The leakage protection device for electric power facilities as claimed in claim 1, characterized in that: A drying box (401) is fixedly mounted on the front end of the cover plate (4), the interior of the drying box (401) is filled with desiccant, and the exterior of the drying box (401) is evenly provided with through holes (4011).

8. The leakage protection device for electric power facilities according to claim 1, characterized in that: The upper end surface of the leakage protector (1) is provided with two transverse sliding grooves (104), a fastening block (9) is slidably mounted inside the transverse sliding groove (104), a fastening screw (901) is fixedly mounted on the upper end of the fastening block (9), and the fastening screw (901) is clamped in a through hole (301) on the surface of the connecting plate (3).

9. The leakage protection device for electric power facilities according to claim 1, characterized in that: The surface of the substrate (101) is symmetrically provided with three groups of connection holes (1011), and the main body of the connection holes (1011) is a convex structure.

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