Power monitoring instrument convenient to maintain

Abstract

The utility model relates to the technical field of electric power monitoring instruments, and discloses an electric power monitoring instrument convenient to maintain, which comprises a box body and an instrument lower shell, a cylinder I is fixedly connected onto the box body, a scissors fork rod I is rotatably connected onto the cylinder I, a scissors fork rod II is hinged onto the scissors fork rod I, and a scissors fork rod II is hinged onto the scissors fork rod II. According to the utility model, the instrument upper shell and the instrument lower shell are respectively provided with a clamping sleeve and a clamping plate, the two sides of the clamping plate are provided with limiting plates, the clamping plate is provided with a seventh fixing plate, a fifth spring rotates in the clamping plate through a fourth cylinder, and a clamping piece can stretch out and draw back through the effect of a third spring and is clamped in the clamping sleeve. When the electric power monitoring instrument needs to be maintained, the instrument upper shell and the instrument lower shell can be opened for maintenance only by pressing the card inwards, the disassembly is convenient, the time and energy of maintenance personnel are saved, and the rubber gasket is arranged between the instrument upper shell and the instrument lower shell, so that the internal sealing is ensured when the instrument upper shell and the instrument lower shell are connected.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power monitoring instruments, in particular to an electric power monitoring instrument which is easy to maintain. Background Art

[0002] Power monitoring instruments are mainly designed for the power monitoring needs of power systems, public facilities, and industrial and mining enterprises. They mainly measure parameters such as voltage, current, power, power factor, and electric energy. Power monitoring instruments use AC sampling technology and are intelligent and digital front-end acquisition components that can be widely used in various control systems. However, some power monitoring instruments in the existing technology are installed outdoors. Due to the lack of corresponding sun protection, the components in the power monitoring instruments are prone to aging and reduced insulation, which can easily cause failures and affect safe operation.

[0003] When using power monitoring instruments, there are still the following defects: it is inconvenient to repair when problems occur, and the disassembly steps are cumbersome, which wastes the time and energy of maintenance personnel. The instruments are exposed to the outside without protection measures and are easily damaged, and the service life is easily affected by various weather conditions. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an electric power monitoring instrument which is easy to maintain.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electric power monitoring instrument which is easy to maintain, comprising a box body and a lower shell of the instrument, a cylinder 1 is fixedly connected to the box body, a scissors rod 1 is rotatably connected to the cylinder 1, a scissors rod 2 is hinged on the scissors rod 1, one end of the scissors rod 2 is fixedly connected to a clamping plate 2, a fixed plate 2 is fixedly connected to the clamping plate 2, a cylinder 3 is fixedly connected to the clamping plate 2, the cylinder 3 is rotatably connected to a fixed column 1, the fixed column 1 is rotatably connected to a cylinder 2, a clamping plate 1 is fixedly connected to the cylinder 2, a spring 1 is fixedly connected under the clamping plate, one end of the spring 1 is fixedly connected to the clamping plate 2, one end of the clamping plate 1 is fixedly connected to the fixed plate 1, and one end of the clamping plate 1 is fixed to the scissors rod 1.

[0006] As a further description of the above technical solution: a card plate is fixedly connected to the lower shell of the instrument, a limit plate is fixedly connected to the card plate, a cylinder four is rotatably connected inside the card plate, a card is fixedly connected to the cylinder four, a spring three is fixedly connected to the card, one end of the spring three is fixedly connected to a fixed plate seven, the fixed plate seven is fixedly connected to the card plate, a rubber gasket is provided on the lower shell of the instrument, a card sleeve is slidably connected to the card, the card sleeve is fixedly connected to the upper shell of the instrument, and the rubber gasket is arranged at the lower part of the upper shell of the instrument.

[0007] As a further description of the above technical solution: a fixing column 2 is fixedly connected to the box body, a screw is threaded through the fixing column 2, a spring 4 is fixedly connected to the box body, one end of the spring 4 is fixedly connected to a fixing plate 4, and one end of the screw is attached to the upper end of the fixing plate 4.

[0008] As a further description of the above technical solution: a cylinder five is rotatably connected to the box body, a cylinder six is ​​fixedly connected to the cylinder five, a fixed plate five is rotatably connected to the cylinder six, a spring five is fixedly connected to the fixed plate five, one end of the spring five is fixedly connected to the fixed plate six, the fixed plate six is ​​fixedly connected to the cylinder five, a box door is slidably connected to the box body, and one end of the fixed plate five is attached to the box door.

[0009] As a further description of the above technical solution: a spring 2 is fixedly connected in the box body, one end of the spring 2 is fixedly connected to a fixing plate 3, and the fixing plate 3 slides in the box body.

[0010] As a further description of the above technical solution: handle 1 is fixedly connected to the lower shell of the instrument, handle 2 is fixedly connected to the box door, a glass sheet is fixedly connected to the box body, fixed plate 1 is attached to the upper shell of the instrument, fixed plate 2 is attached to the lower shell of the instrument, and fixed plate 1 and fixed plate 2 are each provided with two groups.

[0011] As a further description of the above technical solution: the instrument upper shell and the instrument lower shell are symmetrically arranged, the scissor rod 1 and the scissor rod 2 are symmetrically arranged, the rubber gasket is arranged in the middle of the instrument upper shell and the instrument lower shell, and the glass sheet is arranged directly above the instrument upper shell.

[0012] The utility model has the following beneficial effects:

[0013] 1. In the utility model, a card sleeve and a card plate are respectively provided on the upper shell and the lower shell of the instrument, and limit plates are provided on both sides of the card plate. A fixing plate seven is provided on the card plate, and a spring five is rotated in the card plate through a cylinder four, and the card can be extended and stuck in the card sleeve through the action of a spring three. When the power monitoring instrument needs to be repaired, the upper shell and the lower shell of the instrument can be opened for repair by simply pressing the card inwards, which is convenient for disassembly and saves the time and energy of the maintenance personnel. A rubber gasket is provided between the upper shell and the lower shell of the instrument to ensure the internal closure when the upper shell and the lower shell of the instrument are connected.

[0014] 2. In the utility model, a box body is provided outside the electric power monitoring meter to protect the meter from being damaged by external forces, and a fixing column 1 is provided inside the box body. Clamp 1 and clamp 2 drive fixing plate 1 and fixing plate 2 to be tightened inwardly through cylinder 2 on fixing column 1 according to the action of spring 1 between clamp 1 and clamp 2, so that the upper shell and the lower shell of the meter are fixed and pressed. When the meter needs to be taken out, the scissor rod 1 and the scissor rod 2 are pressed to drive fixing plate 1 and fixing plate 2 on clamp 1 and clamp 2 to extend in opposite directions. Secondly, fixing plate 3 is pressed down through the action of spring 2, and the meter can be pulled out through handle 1, which facilitates the fixation and removal of the electric power meter. Secondly, the internal fixing plate 4 fixes the wires entering from outside the box by tightening the screws to prevent the wires from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of an electric power monitoring instrument that is easy to maintain proposed by the utility model;

[0016] Figure 2 This is a structural cross-sectional diagram of an electric power monitoring instrument that is easy to maintain proposed by the utility model;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 The utility model provides an explosion-proof device for an electric power monitoring instrument which is easy to maintain. Figure 1 ;

[0019] Figure 5 The utility model provides an explosion-proof device for an electric power monitoring instrument which is easy to maintain. Figure 2 ;

[0020] Figure 6 The utility model provides an explosion-proof device for an electric power monitoring instrument which is easy to maintain. Figure 3 .

[0021] Legend:

[0022] 1. Box body; 2. Cylinder 1; 3. Scissor rod 1; 4. Fixed column 1; 5. Clamp 1; 6. Cylinder 2; 7. Fixed plate 1; 8. Clamp 2; 9. Cylinder 3; 10. Fixed plate 2; 11. Spring 1; 12. Instrument upper shell; 13. Instrument lower shell; 14. Handle 1; 15. Fixed plate 3; 16. Spring 2; 17. Clamping sleeve; 18. Clamping plate; 19. Limiting plate; 20. Cylinder 4; 21. Card; 22. Spring 3; 23. Scissor rod 2; 24. Fixed column 2; 25. Screw; 26. Fixed plate 4; 27. Spring 4; 28. Cylinder 5; 29. ​​Cylinder 6; 30. Fixed plate 5; 31. Spring 5; 32. Fixed plate 6; 33. Box door; 34. Handle 2; 35. Glass sheet; 36. Fixed plate 7; 37. Rubber gasket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-Figure 6 An embodiment of the utility model is as follows: an electric power monitoring instrument which is easy to maintain, comprising a box body 1 and a lower shell 13 of the instrument, a cylinder 2 is fixedly connected to the box body 1, a scissor rod 3 is rotatably connected to the cylinder 2, a scissor rod 23 is hinged on the scissor rod 3, one end of the scissor rod 23 is fixedly connected to a clamping plate 28, a fixed plate 210 is fixedly connected to the clamping plate 28, a cylinder 39 is fixedly connected to the clamping plate 28, a fixed column 4 is rotatably connected to the cylinder 39, a cylinder 26 is rotatably connected to the fixed column 4, a clamping plate 5 is fixedly connected to the cylinder 26, a spring 11 is fixedly connected under the clamping plate 5, one end of the spring 11 is fixedly connected to the clamping plate 28, and one end of the clamping plate 5 is fixedly connected to the fixed plate 7 One end of the splint 5 is fixed on the scissor rod 3, and a sleeve 17 and a card plate 18 are respectively provided on the upper shell 12 of the instrument and the lower shell 13 of the instrument. Limit plates 19 are provided on both sides of the card plate 18, and a fixing plate 7 36 is provided on the card plate 18. The spring 5 31 is rotated in the card plate 18 through the cylinder 4 20, and the card 21 can be retracted and stuck in the sleeve 17 through the action of the spring 3 22. When the power monitoring instrument needs to be repaired, only the card 21 needs to be pressed inward to open the upper shell 12 and the lower shell 13 of the instrument for repair, which is convenient for disassembly and saves the time and energy of the maintenance personnel. A rubber gasket 37 is provided between the upper shell 12 of the instrument and the lower shell 13 of the instrument to ensure the internal closure when the upper shell 12 of the instrument and the lower shell 13 of the instrument are connected.

[0025] The lower shell 13 of the instrument is fixedly connected with a card plate 18, and a limit plate 19 is fixedly connected to the card plate 18. A cylinder 20 is rotatably connected in the card plate 18, and a card 21 is fixedly connected to the cylinder 20. A spring 3 22 is fixedly connected to the card 21, and one end of the spring 3 22 is fixedly connected to a fixed plate 7 36. The fixed plate 7 36 is fixedly connected to the card plate 18. A rubber gasket 37 is provided on the lower shell 13 of the instrument, and a card sleeve 17 is slidably connected to the card 21. The upper shell 12 of the instrument is fixedly connected to the card sleeve 17. The rubber gasket 37 is arranged at the lower part of the upper shell 12 of the instrument. A fixed column 24 is fixedly connected to the box body 1, and a screw 25 is threadedly connected to the fixed column 24. The box body 1 is fixedly connected to a spring Four 27, one end of the spring four 27 is fixedly connected to the fixing plate four 26, one end of the screw 25 is fitted to the upper end of the fixing plate four 26, the box body 1 is rotatably connected with a cylinder five 28, the cylinder five 28 is fixedly connected with a cylinder six 29, the cylinder six 29 is rotatably connected with a fixing plate five 30, the fixing plate five 30 is fixedly connected with a spring five 31, one end of the spring five 31 is fixedly connected with a fixing plate six 32, the fixing plate six 32 is fixedly connected to the cylinder five 28, a box door 33 is slidably connected in the box body 1, one end of the fixing plate five 30 is fitted on the box door 33, a spring two 16 is fixedly connected in the box body 1, one end of the spring two 16 is fixedly connected with a fixing plate three 15, and the fixing plate three 15 slides in the box body 1 A handle 14 is fixedly connected to the lower shell 13 of the instrument, a handle 2 34 is fixedly connected to the box door 33, a glass sheet 35 is fixedly connected to the box body 1, a fixing plate 17 is attached to the upper shell 12 of the instrument, a fixing plate 2 10 is attached to the lower shell 13 of the instrument, two sets of fixing plates 17 and 10 are respectively provided, the upper shell 12 of the instrument and the lower shell 13 of the instrument are symmetrically arranged, the scissor rod 13 and the scissor rod 23 are symmetrically arranged, a rubber gasket 37 is arranged in the middle of the upper shell 12 of the instrument and the lower shell 13 of the instrument, and a glass sheet 35 is arranged just above the upper shell 12 of the instrument. The power monitoring instrument is provided with a box body 1 outside to protect the instrument from being damaged by external forces, and a fixing column 4, a clamping plate 15 and a clamping plate 2 are provided inside the box body 1. 8 Through the cylinder 26 on the fixing column 14, the fixing plate 17 and the fixing plate 210 are tightened inward according to the action of the spring 11 between the clamping plate 15 and the clamping plate 28, so that the upper shell 12 and the lower shell 13 of the meter are fixed and pressed. When the meter needs to be taken out, the scissor rod 13 and the scissor rod 23 are pressed to drive the fixing plate 17 and the fixing plate 210 on the clamping plate 5 and the clamping plate 28 to extend in opposite directions. Secondly, the fixing plate 3 15 is pressed down through the action of the spring 216, and the meter can be pulled out through the handle 14, which is convenient for the fixation and removal of the power meter. Secondly, the internal fixing plate 4 26 fixes the wires entering from outside the box body 1 by tightening the screws 25 to prevent the wires from falling off.

[0026] Working principle: When the electric meter in the box 1 needs to be repaired, the maintenance personnel first press the fixing plate 5 30 on the box 1, and the fixing plate 5 30 rotates through the cylinder 6 29 on the cylinder 5 28, and lifts the fixing plate 6 32 upward according to the action of the spring 5 31 on the fixing plate 5 30 to make it disengage from the groove on the box door 33, then rotate the fixing plate 6 32 to drive the cylinder 5 28 to rotate 90 degrees on the box 1, and then pull the handle 2 34 to release the fixing plate 6 32. The box door 33 is moved to slide to one side according to the slide slot in the box body 1 and opened. After opening, the screw 25 on the fixed column 24 in the box body 1 is turned to rotate the fixed plate 4 26 at one end thereof to be lifted upward by the action of the spring 4 27 and the fixation of the wire is released. Next, the maintenance personnel press the two sets of scissor rods 1 3 and scissor rods 2 23 to drive the clamping plate 1 5 and the clamping plate 2 8 to move inward in the opposite direction according to the cylinder 2 6 and the cylinder 3 9 on the fixed column 1 4, and at the same time drive the spring between the clamping plate 1 5 and the clamping plate 2 8 The first 11 is extended and retracted, and drives the fixing plate 17 and the fixing plate 2 10 at one end of the clamping plate 1 5 and the clamping plate 2 8 to move outward, so that the fixing of the power meter is released. Then, the fixing plate 3 15 in front of the meter is pressed down, and the fixing plate 3 15 is moved downward by the action of the spring 2 16 in the box body 1, and then the handle 14 is pulled to take out the power meter in the box body 1. After taking it out, the card 21 in the four sets of card sleeves 17 is pressed to move, and the card 21 rotates in the card plate 18 through the cylinder 4 20, and the card 21 is fixed on the card plate 18. The spring three 22 at one end of the fixed plate seven 36 contracts inwards, and then the upper shell 12 of the instrument is moved upward to detach from the card sleeve 17 to complete the disassembly and internal maintenance. When the maintenance is completed, align the upper shell 12 of the instrument with the lower shell 13 of the instrument, and then press the card 21 to contract inwards and insert it into the card sleeve 17. Then, put it in and fix it in the order of taking it out, and finally pull the handle two 34 to drive the box door 33 to reset, turn the fixed plate six 32 ninety degrees, so that one end of the fixed plate five 30 is stuck in the groove on the box door 33 and the reset is completed.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric power monitoring instrument that is easy to maintain, comprising a box body (1) and an instrument lower shell (13), characterized in that: The box body (1) is fixedly connected with a cylinder 1 (2), and a scissor rod 1 (3) is rotatably connected with the cylinder 1 (2), and a scissor rod 2 (23) is hinged on the scissor rod 1 (3), and one end of the scissor rod 2 (23) is fixedly connected with a clamp 2 (8), and a fixed plate 2 (10) is fixedly connected with the clamp 2 (8), and a cylinder 3 (9) is fixedly connected with the clamp 2 (8), and the cylinder 3 (9) is rotatably connected with a fixed column 1 (4), and the fixed column 1 (4) is rotatably connected with a cylinder 2 (6), and a clamp 1 (5) is fixedly connected with the cylinder 2 (6), and a spring 1 (11) is fixedly connected under the clamp 1 (5), and one end of the spring 1 (11) is fixedly connected to the clamp 2 (8), and one end of the clamp 1 (5) is fixedly connected to the fixed plate 1 (7), and one end of the clamp 1 (5) is fixed to the scissor rod 1 (3).

2. The power monitoring instrument that is easy to maintain according to claim 1 is characterized in that: A card plate (18) is fixedly connected to the instrument lower shell (13), a limit plate (19) is fixedly connected to the card plate (18), a cylinder four (20) is rotatably connected inside the card plate (18), a card (21) is fixedly connected to the cylinder four (20), a spring three (22) is fixedly connected to the card (21), one end of the spring three (22) is fixedly connected to a fixing plate seven (36), the fixing plate seven (36) is fixedly connected to the card plate (18), a rubber gasket (37) is provided on the instrument lower shell (13), a card sleeve (17) is slidably connected to the card (21), the card sleeve (17) is fixedly connected to the instrument upper shell (12), and the rubber gasket (37) is arranged at the lower part of the instrument upper shell (12).

3. The power monitoring instrument that is easy to maintain according to claim 2 is characterized in that: The box body (1) is fixedly connected with a fixing column 2 (24), and a screw (25) is threadedly connected to the fixing column 2 (24). The box body (1) is fixedly connected with a spring 4 (27), and one end of the spring 4 (27) is fixedly connected with a fixing plate 4 (26), and one end of the screw (25) is attached to the upper end of the fixing plate 4 (26).

4. The power monitoring instrument that is easy to maintain according to claim 3 is characterized in that: The box body (1) is rotatably connected with a cylinder five (28), the cylinder five (28) is fixedly connected with a cylinder six (29), the cylinder six (29) is rotatably connected with a fixing plate five (30), the fixing plate five (31) is fixedly connected with a spring five (31), one end of the spring five (31) is fixedly connected with a fixing plate six (32), the fixing plate six (32) is fixedly connected with the cylinder five (28), a box door (33) is slidably connected in the box body (1), and one end of the fixing plate five (30) is attached to the box door (33).

5. The power monitoring instrument that is easy to maintain according to claim 4 is characterized in that: A second spring (16) is fixedly connected inside the box body (1), one end of the second spring (16) is fixedly connected to a third fixing plate (15), and the third fixing plate (15) slides inside the box body (1).

6. The power monitoring instrument that is easy to maintain according to claim 5, characterized in that: The instrument lower shell (13) is fixedly connected with a handle 1 (14), the box door (33) is fixedly connected with a handle 2 (34), the box body (1) is fixedly connected with a glass sheet (35), the fixing plate 1 (7) is attached to the instrument upper shell (12), the fixing plate 2 (10) is attached to the instrument lower shell (13), and the fixing plate 1 (7) and the fixing plate 2 (10) are each provided with two sets.

7. The power monitoring instrument that is easy to maintain according to claim 6 is characterized by: The instrument upper shell (12) and the instrument lower shell (13) are symmetrically arranged, the scissor rod one (3) and the scissor rod two (23) are symmetrically arranged, the rubber gasket (37) is arranged in the middle of the instrument upper shell (12) and the instrument lower shell (13), and the glass sheet (35) is arranged directly above the instrument upper shell (12).

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