Insulation isolation device for replacement of low-voltage electric energy metering device

Abstract

The invention relates to the technical field of isolation devices, in particular to an insulation isolation device for replacement of a low-voltage electric energy metering device. Comprising a shell and a hanging guide rail plate, and the shell is in sliding fit connection with the hanging guide rail plate through a sliding connection assembly; the shell consists of an upper shell and a lower shell; an isolation through hole penetrating through the front and rear side surfaces is formed in the middle of the side surface of the shell; an isolation supporting plate is fixedly arranged in the lower shell, and a plurality of side isolation plates are uniformly arranged on the isolation supporting plate in the length direction of the isolation supporting plate; the top of the upper shell is in sliding connection with a plurality of fixed pressing rods, and the fixed pressing rods correspond to the isolation through holes in position; the lower end of the fixed pressing rod extends into the upper shell and is connected with a top pressing plate, a rod body, located outside the upper shell, of the fixed pressing rod is sleeved with a pressure spring, the lower end of the pressure spring is connected with the top face of the upper shell, and the upper end of the pressure spring is connected with the fixed pressing rod. The device can assist workers in replacing the low-voltage electric energy metering device, improves the operation efficiency, reduces the potential safety hazards, and guarantees the operation safety.

Description

Technical Field

[0001] The present invention relates to the technical field of isolation devices, and in particular to an insulation isolation device for replacing a low-voltage electric energy metering device. Background Art

[0002] Low-voltage electric energy metering device is a device used to measure the electric energy consumption of low-voltage power grid in the power system. It is widely used in homes, offices, commercial and industrial facilities to achieve accurate measurement and monitoring of electric energy consumption. Low-voltage electric energy metering device usually includes electric energy meter, meter box, current transformer, voltage transformer and other components. Among them, the electric energy meter is an instrument that directly measures and displays the amount of electric energy consumption, including single-phase electric energy meter and three-phase electric energy meter. According to the load current, direct access or current transformer access can be selected; the meter box is a box that provides installation and protection for electric energy meter, current transformer, etc., with anti-theft, rainproof, dustproof and other functions to ensure the safe and reliable operation of the metering device; the current transformer converts large current into a small current suitable for the electric energy meter to measure, and the appropriate rated primary current and secondary current can be selected according to the load current. The working principle of the low-voltage electric energy metering device is based on the measurement of current and voltage. The current transformer and voltage transformer convert the current and voltage signals into signals suitable for the electric energy meter to measure. The electric energy meter calculates and displays the electric energy consumption based on these signals. In the process of replacing a low-voltage electric energy metering device, it is necessary to insulate and isolate the battery cells to ensure the safety of the operation. Therefore, it is necessary to provide an insulation isolation device for replacing a low-voltage electric energy metering device. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a low-voltage electric energy metering device to replace the insulation isolation device to assist workers in replacing the low-voltage electric energy metering device, improve work efficiency, reduce safety hazards, and ensure work safety.

[0004] The object of the present invention is achieved as follows: a low-voltage electric energy metering device replacement insulation isolation device, which includes a shell and a hanging guide plate, the shell is connected with the hanging guide plate in a sliding fit through a sliding connection assembly; The shell is composed of an upper shell and a lower shell, and an isolation through-hole penetrating the front and rear sides of the shell is arranged in the middle of the side surface; an isolation support plate is fixedly arranged inside the lower shell, and a plurality of side isolation plates are evenly arranged on the isolation support plate along its length direction, and the side isolation plates are located on both sides of the isolation through-hole; A plurality of fixed pressure rods are slidably connected to the top of the upper shell, and the fixed pressure rods correspond to the positions of the isolation through-holes; the lower ends of the fixed pressure rods extend into the interior of the upper shell and are connected to a top pressure plate, and a compression spring is sleeved on the rod body of the fixed pressure rod located outside the upper shell, the lower end of the compression spring is connected to the top surface of the upper shell, and the upper end is connected to the fixed pressure rod, and under the action of the compression spring, the top pressure plate will press the wire core extending into the shell from the isolation through-hole onto the isolation support plate.

[0005] Furthermore, the isolation support plate as a whole is a bent plate with a protruding middle portion upward, bottom support plates are fixedly arranged on both sides of the bottom surface inside the lower shell, and the side plates at both ends of the isolation support plate are respectively connected to the bottom support plate; the isolation support plate is made of insulating material.

[0006] Furthermore, connecting sleeves are fixedly provided on the side plates at both ends of the isolation support plate, the upper shell is buckled on the lower shell, and the connecting bolts pass through the top plate of the upper shell and extend into the shell and are connected to the connecting sleeve and the bottom support plate; the upper shell is fixedly buckled on the lower shell by connecting the connecting bolts to the bottom support plate.

[0007] Furthermore, connecting seats are provided on both sides of the top of the upper shell, and the connecting bolts pass through the connecting seats and extend into the interior of the shell; the connecting bolts are guided and supported by the connecting seats.

[0008] Furthermore, the upper parts of the front and rear sides of the lower shell are connected with snap-fit ​​side plates, and the upper shell is snap-fitted between the two snap-fit ​​side plates; the two snap-fit ​​side plates can be used to guide and limit the upper shell during installation.

[0009] Furthermore, side support plates are arranged in pairs between two adjacent side isolation plates on the isolation support plate, and the opposite sides of the two side support plates in a pair are inclined surfaces; a trapezoidal pressure plate is connected to the bottom of the top pressure plate, and the cross-section of the trapezoidal pressure plate is trapezoidal and its trapezoidal inclined surface is parallel to the inclined surface on the side support plate; a concave space for supporting and limiting the wire core can be formed by the two side support plates.

[0010] Furthermore, both ends of the shell are connected with end covers, and a plug-in short rod is provided on the side where the end cover is connected to the shell; both ends of the upper shell and the lower shell are provided with internal sockets, and the plug-in short rod is inserted into the internal sockets.

[0011] Furthermore, the sliding connection assembly includes a guide slide plate that is slidingly connected to the hanging guide rail plate, the guide slide plate is connected to an outrigger arm, an adjustable inner arm is slidingly connected to the outrigger arm, and the adjustable inner arm is connected to the shell; the lateral position of the shell in the horizontal plane can be easily adjusted through the sliding cooperation between the guide slide plate and the hanging guide rail plate.

[0012] Furthermore, a plug-in base plate is provided at the bottom of the shell, and the plug-in base plate is connected to a connecting plug plate; the end of the adjusting inner arm is connected to a connecting socket, and the connecting socket is connected to the connecting plug plate.

[0013] Beneficial effects of the present invention: A low-voltage electric energy metering device of the present invention replaces an insulating isolation device, and the shell is slidably connected with the hanging guide plate through a sliding connection assembly, so that the position of the shell in the lateral direction can be adjusted to meet different operating requirements; the isolation support plate is evenly provided with a plurality of side isolation plates along its length direction, the lower end of the fixed pressure rod extends into the interior of the upper shell and is connected to a top pressure plate, and the fixed pressure rod is located on the rod body outside the upper shell and is sleeved with a compression spring, the lower end of the compression spring is connected to the top surface of the upper shell, and the upper end is connected to the fixed pressure rod, and under the action of the compression spring, the top pressure plate will press the wire core extending from the isolation through hole into the shell onto the isolation support plate. When using the insulating isolation device of the present invention, the hanging guide plate is first fixed on a wall or other fixed equipment, the sliding connection component is connected to the hanging guide plate, and then the shell of the main body of the device of the present invention is connected to the sliding connection component. The position of the shell in the horizontal direction of the hanging guide plate can be adjusted according to the work needs, so as to facilitate the isolation of the wire core and improve the work efficiency; according to the corresponding relationship between each wire core and the isolation perforation, the corresponding fixed pressure rod is pulled upward, and the wire core is extended into the shell through the corresponding isolation perforation, and then the fixed pressure rod is released. Under the action of the compression spring, the top pressure plate presses the wire core tightly onto the isolation support plate; repeating the above operation can isolate and fix each wire core in turn, and the operation is convenient and quick, which can effectively improve the work efficiency; the low-voltage electric energy metering device replacement insulating isolation device of the present invention has a reasonable structure and is easy to operate and use, which can assist the staff in the replacement of the low-voltage electric energy metering device, improve the work efficiency, reduce safety hazards, and ensure the safety of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 A three-dimensional structural schematic diagram of replacing an insulation isolation device for a low-voltage electric energy metering device.

[0016] Figure 2 The present invention is a structural schematic diagram of a front view of replacing an insulating isolation device of a low-voltage electric energy metering device.

[0017] Figure 3 The present invention is a top view structural schematic diagram of replacing an insulation isolation device of a low-voltage electric energy metering device.

[0018] Figure 4 A side structural schematic diagram of replacing an insulation isolation device for a low-voltage electric energy metering device.

[0019] Figure 5 The schematic diagram of the three-dimensional structure of a low-voltage electric energy metering device after replacing the insulation isolation device and removing the upper and lower shells is shown.

[0020] Figure 6 The present invention is a schematic cross-sectional structure diagram of a part of an insulation isolation device for replacing a low-voltage electric energy metering device.

[0021] Figure 7 A three-dimensional structural schematic diagram of replacing an insulation isolation device for a low-voltage electric energy metering device. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that all directional indications in the embodiments of the present invention (such as up-down-left-right-front-back...) are only used to explain the relative position relationship - movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. The connection can be a direct connection or an indirect connection.

[0026] like Figure 1-7 As shown, a low-voltage electric energy metering device replacement insulation isolation device of the present invention includes a shell and a hanging guide plate 4, and the shell is slidably connected with the hanging guide plate 4 through a sliding connection component 10, so that the position of the shell in the lateral direction can be adjusted to meet different operation requirements; The housing is composed of an upper housing 1 and a lower housing 2. An isolation through-hole 3 penetrating the front and rear sides of the housing is provided in the middle of the side surface of the housing. An isolation support plate 23 is fixedly provided inside the lower housing 2. A plurality of side isolation plates 19 are evenly provided on the isolation support plate 23 along its length direction. The side isolation plates 19 are located on both sides of the isolation through-hole 3. A plurality of fixed pressure rods 5 are slidably connected to the top of the upper shell body 1, and the fixed pressure rods 5 correspond to the positions of the isolation through-holes 3; the lower ends of the fixed pressure rods 5 extend into the interior of the upper shell body 1 and are connected to a top pressure plate 22; a compression spring 6 is sleeved on the rod body of the fixed pressure rod 5 located outside the upper shell body 1, and the lower end of the compression spring 6 is connected to the top surface of the upper shell body 1, and the upper end is connected to the fixed pressure rods 5; under the action of the compression spring 6, the top pressure plate 22 presses the wire core extending into the shell from the isolation through-hole 3 onto the isolation support plate 23.

[0027] When using the insulating isolation device of the present invention, first fix the hanging guide plate 4 on a wall or other fixed equipment, connect the sliding connection component 10 to the hanging guide plate 4, and then connect the shell of the main body of the device of the present invention to the sliding connection component 10. The position of the shell in the horizontal direction of the hanging guide plate 4 can be adjusted according to the operation needs, so as to facilitate the isolation operation of the wire core and improve the operation efficiency; according to the corresponding relationship between each wire core and the isolation perforation 3, pull the corresponding fixed pressure rod 5 upward, and at the same time extend the wire core into the shell through the corresponding isolation perforation 3, and then release the fixed pressure rod 5. Under the action of the compression spring 6, the top pressure plate 22 presses the wire core against the isolation support plate 23; repeat the above operation, and each wire core can be isolated and fixed in turn. The operation is convenient and quick, and the operation efficiency can be effectively improved.

[0028] Furthermore, in one embodiment, the isolation support plate 23 is a bent plate with a protruding middle portion upward, and bottom support plates 24 are fixedly provided on both sides of the inner bottom surface of the lower shell 2, and the side plates at both ends of the isolation support plate 23 are respectively connected to the bottom support plate 24; the isolation support plate 23 is made of insulating material, and the isolation support plate 23 is supported and connected by the bottom support plate 24, which has a simple and reasonable structure, is convenient for assembly and disassembly of the device, and at the same time ensures the reliability of the insulation isolation of the device.

[0029] Furthermore, in one embodiment, connecting sleeves 25 are fixedly provided on the side plates at both ends of the isolation support plate 23, the upper shell 1 is buckled on the lower shell 2, and the connecting bolts 8 pass through the top plate of the upper shell 1 and extend into the shell and are connected to the connecting sleeve 25 and the bottom support plate 24; the upper shell 1 is fixedly buckled on the lower shell 2 by connecting the connecting bolts 8 with the bottom support plate 24, and the isolation support plate 23 is fixed by connecting the connecting bolts 8 with the connecting sleeve 25 to stably isolate and support the wire core. The structure is compact and reasonable, and the disassembly and assembly of the device is convenient.

[0030] Furthermore, in one embodiment, connecting seats 7 are provided on both sides of the top of the upper shell 1, and the connecting bolts 8 pass through the connecting seats 7 and extend into the interior of the shell; the connecting bolts 8 are guided and supported by the connecting seats 7, thereby further improving the stability and operational efficiency of the assembly of the upper shell 1 and the lower shell 2.

[0031] Furthermore, in one embodiment, the upper portions of the front and rear sides of the lower shell 2 are connected with snap-fitting side panels 15, and the upper shell 1 is snap-fitted between the two snap-fitting side panels 15; the two snap-fitting side panels 15 can be used to guide and limit the upper shell 1 during installation, thereby ensuring the overall structural stability and the convenience of assembly and disassembly.

[0032] Furthermore, in one embodiment, side support plates 21 are arranged in pairs between two adjacent side isolation plates 19 on the isolation support plate 23, and the opposite sides of the two side support plates 21 in a pair are inclined surfaces; a trapezoidal pressure plate 20 is connected to the bottom of the top pressure plate 22, and the cross-section of the trapezoidal pressure plate 20 is a trapezoid and its trapezoidal inclined surface is parallel to the inclined surface on the side support plate 21; a concave space for supporting and limiting the wire core can be formed by the two side support plates 21, and the trapezoidal pressure plate 20 can cooperate with the side support plate 21 when pressed down by the top pressure plate 22, so as to stably and reliably insulate and isolate the wire core and limit and fix it.

[0033] Furthermore, in one embodiment, both ends of the shell are connected with end covers 11, and a plug-in short rod 18 is provided on the side where the end cover 11 is connected to the shell; both ends of the upper shell 1 and the lower shell 2 are provided with internal sockets 26, and the plug-in short rod 18 is inserted into the internal sockets 26; the end cover 11 and the shell are conveniently installed by plugging and matching the plug-in short rod 18 with the internal socket 26, and the structure is reasonable, stable and efficient.

[0034] Furthermore, in one embodiment, the sliding connection assembly 10 includes a guide slide 12 that is slidingly connected to the hanging guide rail plate 4, and an outrigger arm 13 is connected to the guide slide 12. An adjustable inner arm 14 is slidingly connected to the outrigger arm 13, and the adjustable inner arm 14 is connected to the shell. The sliding cooperation between the guide slide 12 and the hanging guide rail plate 4 can facilitate the adjustment of the lateral position of the shell in the horizontal plane, so as to adapt to the requirements under complex working environments. At the same time, the cooperation between the adjustable inner arm 14 and the outrigger arm 13 can adjust the longitudinal position of the shell in the horizontal plane, thereby further improving its adaptability and ease of operation.

[0035] Furthermore, in one embodiment, a plug-in base plate 9 is provided at the bottom of the shell, and the plug-in base plate 9 is connected to a connecting plug plate 17; a connecting socket 16 is connected to the end of the adjusting inner arm 14, and the connecting socket 16 is connected to the connecting plug plate 17; the structure is simple and reasonable, and the connection between the shell and the adjusting inner arm 14 is achieved through the cooperation of various components, thereby improving the structural stability and disassembly and assembly efficiency, and facilitating operation.

[0036] In summary, a low-voltage electric energy metering device of the present invention replaces the insulating isolation device, and the shell is slidably connected with the hanging guide plate 4 through a sliding connection component 10, so that the position of the shell in the lateral direction can be adjusted to meet different operating requirements; a plurality of side isolation plates 19 are evenly arranged on the isolation support plate 23 along its length direction, and the lower end of the fixed pressure rod 5 extends into the interior of the upper shell 1 and is connected to a top pressure plate 22, and the fixed pressure rod 5 is located on the rod body outside the upper shell 1 and is sleeved with a compression spring 6, the lower end of the compression spring 6 is connected to the top surface of the upper shell 1, and the upper end is connected to the fixed pressure rod 5. Under the action of the compression spring 6, the top pressure plate 22 presses the wire core extending from the isolation through hole 3 into the shell onto the isolation support plate 23. When using the insulating isolation device of the present invention, first fix the hanging guide plate 4 on a wall or other fixed equipment, connect the sliding connection component 10 to the hanging guide plate 4, and then connect the shell of the main body of the device of the present invention to the sliding connection component 10. The position of the shell in the horizontal direction of the hanging guide plate 4 can be adjusted according to the operation needs, so as to facilitate the isolation operation of the wire core and improve the operation efficiency; according to the corresponding relationship between each wire core and the isolation perforation 3, pull the corresponding fixed pressure rod 5 upward, and at the same time extend the wire core into the shell through the corresponding isolation perforation 3, and then release the fixed pressure rod 5. Under the action of the compression spring 6, the top pressure plate 22 presses the wire core against the isolation support plate 23; repeat the above operation, and each wire core can be isolated and fixed in turn, which is convenient and quick to operate, and can effectively improve the operation efficiency; a low-voltage electric energy metering device replacement insulating isolation device of the present invention has a reasonable structure and is easy to operate and use, which can assist the staff in the replacement operation of the low-voltage electric energy metering device, improve the operation efficiency, reduce safety hazards, and ensure the safety of the operation.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A low-voltage electric energy metering device for replacing an insulation isolation device, characterized in that: It comprises a shell and a hanging guide rail plate (4), wherein the shell is connected to the hanging guide rail plate (4) in a sliding manner via a sliding connection assembly (10); The shell is composed of an upper shell (1) and a lower shell (2), and an isolation through-hole (3) penetrating the front and rear sides of the shell is provided in the middle of the side surface of the shell; an isolation support plate (23) is fixedly provided inside the lower shell (2), and a plurality of side isolation plates (19) are evenly provided on the isolation support plate (23) along its length direction, and the side isolation plates (19) are located on both sides of the isolation through-hole (3); The top of the upper shell (1) is slidably connected to a plurality of fixed pressure rods (5), the fixed pressure rods (5) corresponding to the positions of the isolation through-holes (3); the lower ends of the fixed pressure rods (5) extend into the interior of the upper shell (1) and are connected to a top pressure plate (22); a compression spring (6) is sleeved on the rod body of the fixed pressure rod (5) located outside the upper shell (1); the lower end of the compression spring (6) is connected to the top surface of the upper shell (1), and the upper end is connected to the fixed pressure rod (5).

2. A low voltage electric energy metering device for replacing an insulating isolation device as claimed in claim 1, characterized in that: The isolation support plate (23) is a bent plate with a central portion protruding upwards, and bottom support plates (24) are fixedly provided on both sides of the inner bottom surface of the lower shell (2), and the side plates at both ends of the isolation support plate (23) are respectively connected to the bottom support plates (24).

3. A low voltage electric energy metering device for replacing an insulating isolation device as claimed in claim 2, characterized in that: Connecting sleeves (25) are fixedly provided on the side plates at both ends of the isolation support plate (23); the upper shell (1) is buckled onto the lower shell (2); connecting bolts (8) pass through the top plate of the upper shell (1), extend into the shell, and are connected to the connecting sleeves (25) and the bottom support plate (24).

4. A low voltage electric energy metering device for replacing an insulating isolation device as claimed in claim 3, characterized in that: Connecting seats (7) are provided on both sides of the top of the upper shell (1), and the connecting bolts (8) pass through the connecting seats (7) and extend into the interior of the shell.

5. A low voltage electric energy metering device for replacing an insulating isolation device as claimed in claim 3, characterized in that: The upper parts of the front and rear side surfaces of the lower shell (2) are connected with snap-fit ​​side panels (15), and the upper shell (1) is snap-fitted between the two snap-fit ​​side panels (15).

6. A low voltage electric energy metering device for replacing an insulating isolation device as claimed in claim 1, characterized in that: Side support plates (21) are arranged in pairs between two adjacent side isolation plates (19) on the isolation support plate (23), and the opposite side surfaces of the two side support plates (21) in a pair are inclined surfaces; a trapezoidal pressure plate (20) is connected to the bottom of the top pressure plate (22), and the cross-section of the trapezoidal pressure plate (20) is a trapezoid, and its trapezoidal inclined surface is parallel to the inclined surface on the side support plate (21).

7. A low voltage electric energy metering device for replacing an insulating isolation device as claimed in claim 1, characterized in that: Both ends of the shell are connected to end covers (11), and a plug-in short rod (18) is provided on the side where the end cover (11) is connected to the shell; both ends of the interior of the upper shell (1) and the lower shell (2) are provided with internal connection seats (26), and the plug-in short rod (18) is inserted into the interior of the internal connection seat (26).

8. A low voltage electric energy metering device for replacing an insulating isolation device as claimed in claim 1, characterized in that: The sliding connection assembly (10) comprises a guide slide plate (12) slidably connected to the hanging guide rail plate (4), an outrigger arm (13) being connected to the guide slide plate (12), an adjustable inner arm (14) being slidably connected inside the outrigger arm (13), and the adjustable inner arm (14) being connected to the shell.

9. A low voltage electric energy metering device for replacing an insulating isolation device as claimed in claim 8, characterized in that: The bottom of the housing is provided with a plug-in base plate (9), and the plug-in base plate (9) is connected to a connecting plug plate (17); the end of the adjusting inner arm (14) is connected to a connecting socket (16), and the connecting socket (16) is connected to the connecting plug plate (17).

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