Electric energy quality monitoring device

Abstract

The invention discloses an electric energy quality monitoring device which comprises a quality monitoring shell and a panel, L-shaped mounting plates are fixedly mounted at the front ends of the surfaces of the two ends of the quality monitoring shell, reserved mounting holes are formed in the positions, close to the upper end and the lower end, of the L-shaped mounting plates, and a display screen is embedded in the position, close to one end, of the front surface of the panel. A display lamp is embedded in the lower end of the display screen on the front surface of the panel, a control button is arranged at the position, close to the other end, of the front surface of the panel, fixing structures are arranged on the front surface of the quality monitoring shell and the rear surface of the panel, and a protection structure is arranged on the periphery of the control button on the front surface of the panel. And the fixing structure comprises a rotating block, a threaded rod and a rectangular slot. According to the electric energy quality monitoring device, when the panel is disassembled, a worker does not need to use a screwdriver to screw four screws, the panel can be disassembled, the control button can be protected, the control button is prevented from being touched by mistake, and the control button is prevented from being eroded to affect use.

Description

Technical Field

[0001] The present invention relates to the technical field of power quality monitoring, and in particular to a power quality monitoring device. Background Art

[0002] The power quality monitoring device is a device specially used to measure power quality related parameters. It introduces voltage and current signals to monitor and analyze key parameters such as voltage, current, frequency, harmonics, etc. in the power system in real time, providing a basis for the optimization and dispatching of power systems and fault diagnosis. This device occupies an important position in the power industry, especially in real-time monitoring, analysis and evaluation of power quality in power systems. Through sensors installed in key locations such as substations and distribution rooms, the power quality online monitoring device can collect parameters such as voltage, current, frequency, harmonics, etc. in real time, and transmit the data to the monitoring center through the communication network. By processing and analyzing the collected data, this device can understand in real time The operating status of the power system provides a basis for the optimized dispatch and fault diagnosis of the power system. The online power quality monitoring device can also perform real-time monitoring of parameters such as voltage, current, frequency, harmonics, perform power quality analysis, and provide fault diagnosis and early warning, providing strong protection for the stable operation of the power system. However, the power quality monitoring device currently used has a control panel that is installed on the shell through screws near the four corners. When the panel needs to be disassembled, the staff needs to use a screwdriver to unscrew four screws for disassembly, which is more troublesome. In addition, the control buttons of the power quality monitoring device are exposed. Due to the lack of a protective structure, they are easily touched by mistake and are easily corroded for a long time, affecting their use. Summary of the invention

[0003] The main purpose of the present invention is to provide a power quality monitoring device, which can effectively solve the problems in the background technology.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is:

[0005] A power quality monitoring device comprises a quality monitoring shell and a panel, wherein L-shaped mounting plates are fixedly mounted on the front ends of both end surfaces of the quality monitoring shell, and reserved mounting holes are provided on the L-shaped mounting plates near the upper and lower ends. A display screen is embedded on the front surface of the panel near one end, and a display light is embedded on the lower end of the display screen on the front surface of the panel. Control buttons are arranged on the front surface of the panel near the other end, a fixing structure is arranged on the front surface of the quality monitoring shell and the rear surface of the panel, and a protective structure is arranged on the periphery of the control buttons on the front surface of the panel.

[0006] Preferably, the fixed structure includes a rotating block, a threaded rod, a rectangular slot, a rectangular card slot, a No. 1 slider, a No. 1 slide groove, a bearing, a rectangular slide groove, a rectangular slot, a rectangular card block, a rectangular slider, a No. 1 mounting seat, a movable rod, a No. 2 mounting seat, a rectangular plug block, a circular docking groove, and a circular docking column.

[0007] Preferably, circular docking poles are fixedly installed on the rear surface of the panel near the four corners, circular docking grooves are opened on the front surface of the quality monitoring shell near the four corners, circular docking poles are inserted into the circular docking grooves, rectangular plug blocks are fixedly installed on the rear surface of the panel near the upper and lower ends, and rectangular slots are opened on the upper and lower ends of the front surface of the quality monitoring shell.

[0008] Preferably, a rectangular slide groove is opened inside the rectangular plug block, bearings are fixedly installed in the middle of the front and rear surfaces of the rectangular slide groove, a threaded rod is movably installed on the inner surface of the bearing, a rotating block is fixedly installed on the front surface of the threaded rod, the threaded rod passes through the panel, and a rectangular slider is threadedly installed on the outer surface of the threaded rod.

[0009] Preferably, a No. 1 mounting seat is fixedly installed in the middle of the two end surfaces of the rectangular slider, a movable rod is movably installed on the No. 1 mounting seat, rectangular grooves are opened on the two end surfaces of the rectangular slide, a No. 1 slide groove is opened on the front and rear surfaces of the rectangular groove near one end, and a No. 1 slider is slidably installed on the inner surface of the No. 1 slide groove.

[0010] Preferably, a No. 1 slider is fixedly mounted on the other end of the front and rear surfaces of the rectangular block, a No. 2 mounting seat is fixedly mounted on the other end surface of the rectangular block, a movable rod is movably mounted on the No. 2 mounting seat, and rectangular slots are opened on the two end surfaces of the rectangular slot, and rectangular card blocks are inserted into the rectangular slots.

[0011] Preferably, the protective structure includes a protective seat, a round handle, a rectangular protective plate, a No. 2 slider, a No. 2 slide groove, a return spring, a circular guide rod, and a protective top plate. A protective seat is fixedly installed on the periphery of the control button on the front surface of the panel, and No. 2 slide grooves are provided on the inner surface of both ends of the protective seat.

[0012] Preferably, a circular guide rod is fixedly installed in the middle of the upper and lower surfaces of the No. 2 slide groove, a No. 2 slider is slidably installed on the outer surface of the circular guide rod, a reset spring is sleeved on the upper end of the No. 2 slider on the outer surface of the circular guide rod, and the No. 2 slider is fixedly installed on the lower ends of both end surfaces of the rectangular protective plate, a circular handle is fixedly installed on the front surface of the rectangular protective plate near the lower end, and a protective top plate is fixedly installed on the upper end of the rectangular protective plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. Through the set fixed structure, when disassembling the panel, the rotating block can be rotated to disengage the rectangular card blocks from the rectangular card slots opened on the surfaces at both ends of the rectangular slots and retract into the rectangular slots. Then, the panel can be pulled toward the outside to drive the rectangular plug blocks fixedly installed near the upper and lower ends on the rear surface of the panel to disengage from the rectangular slots opened at the upper and lower ends on the front surface of the quality monitoring shell. At the same time, the circular docking columns fixedly installed near the four corners on the rear surface of the panel are disengaged from the circular docking slots opened near the four corners on the front surface of the quality monitoring shell. The panel can be removed simply and conveniently without the need for the staff to use a screwdriver to tighten four screws for disassembly.

[0015] 2. Through the protective structure, when you need to operate the control button, you can hold the round handle and pull it upwards, driving the rectangular protective plate to move upwards, exposing the control button, and start the operation. After the operation is completed, under the action of the reset spring, the rectangular protective plate moves downward to protect the control button to avoid accidental touching and erosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a power quality monitoring device of the present invention;

[0017] Figure 2 It is a partial cross-sectional view of a power quality monitoring device of the present invention;

[0018] Figure 3 A cross-sectional view of a fixed structure of a power quality monitoring device of the present invention;

[0019] Figure 4 A cross-sectional view of a protective structure of a power quality monitoring device of the present invention;

[0020] Figure 5 A power quality monitoring device of the present invention Figure 3 Enlarged view of point A in the middle;

[0021] Figure 6 A power quality monitoring device of the present invention Figure 4 Enlarged view of point B in the middle.

[0022] In the figure: 1. Quality monitoring housing; 2. Panel; 3. L-shaped mounting plate; 301. Reserved mounting hole; 4. Display screen; 401. Display light; 402. Control button; 5. Fixed structure; 501. Rotating block; 502. Threaded rod; 503. Rectangular slot; 504. Rectangular card slot; 505. No. 1 slider; 506. No. 1 slide slot; 507. Bearing; 508. Rectangular slide slot; 509. Rectangular slot; 510. Rectangular Block; 511, rectangular slider; 512, No. 1 mounting seat; 513, movable rod; 514, No. 2 mounting seat; 515, rectangular plug block; 516, circular docking groove; 517, circular docking column; 6, protective structure; 601, protective seat; 602, circular handle; 603, rectangular protective plate; 604, No. 2 slider; 605, No. 2 slide groove; 606, reset spring; 607, circular guide rod; 608, protective top plate. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0024] like Figure 1-6 As shown, a power quality monitoring device includes a quality monitoring shell 1 and a panel 2. L-shaped mounting plates 3 are fixedly mounted on the front ends of both end surfaces of the quality monitoring shell 1. Reserved mounting holes 301 are provided on the L-shaped mounting plates 3 near the upper and lower ends. A display screen 4 is inlaid near one end of the front surface of the panel 2. A display light 401 is inlaid at the lower end of the display screen 4 on the front surface of the panel 2. A control button 402 is arranged on the front surface of the panel 2 near the other end. A fixing structure 5 is arranged on the front surface of the quality monitoring shell 1 and the rear surface of the panel 2. A protective structure 6 is arranged on the periphery of the control button 402 on the front surface of the panel 2.

[0025] The fixed structure 5 includes a rotating block 501, a threaded rod 502, a rectangular slot 503, a rectangular card slot 504, a No. 1 slider 505, a No. 1 slide slot 506, a bearing 507, a rectangular slide slot 508, a rectangular slot 509, a rectangular card block 510, a rectangular slider 511, a No. 1 mounting seat 512, a movable rod 513, a No. 2 mounting seat 514, a rectangular plug block 515, a circular docking slot 516, and a circular docking column 517; the rear surface of the panel 2 is fixedly installed with circular docking columns 517 near the four corners, the front surface of the quality monitoring shell 1 is provided with circular docking grooves 516 near the four corners, and circular docking columns 517 are inserted in the circular docking grooves 516, and the rear surface of the panel 2 is fixedly installed with rectangular plug blocks 515 near the upper and lower ends. A rectangular slot 503 is provided at the upper and lower ends of the front surface of the quality monitoring shell 1; a rectangular slide 508 is provided inside the rectangular plug block 515, and a bearing 507 is fixedly installed in the middle of the front and rear surfaces of the rectangular slide 508, and a threaded rod 502 is movably installed on the inner surface of the bearing 507, and a rotating block 501 is fixedly installed on the front surface of the threaded rod 502, and the threaded rod 502 passes through the panel 2, and a rectangular slider 511 is threadedly installed on the outer surface of the threaded rod 502; a No. 1 mounting seat 512 is fixedly installed in the middle of the two end surfaces of the rectangular slider 511, and a movable rod 513 is movably installed on the No. 1 mounting seat 512, and a rectangular slot 509 is provided on the two end surfaces of the rectangular slide 508, and a No. 1 slide 506 is provided on the front and rear surfaces of the rectangular slot 509 near one end, and a No. 1 slide 501 is fixedly installed on the front surface of the rectangular slide 502. A slider 505 is slidably installed on the inner surface of the slide groove 506; a slider 505 is fixedly installed on the other end of the front and rear surfaces of the rectangular block 510, and a second mounting seat 514 is fixedly installed on the other end surface of the rectangular block 510, and a movable rod 513 is movably installed on the second mounting seat 514. Rectangular slots 504 are opened on the two end surfaces of the rectangular slot 503, and rectangular blocks 510 are inserted in the rectangular slots 504. When the panel 2 is disassembled, the rotating block 501 can be rotated to make the rectangular block 510 disengage from the rectangular slots 504 opened on the two end surfaces of the rectangular slot 503, retract into the rectangular slot 509, and then pull the panel 2 toward the outward end, driving the rectangular plug-in block 515 fixedly installed on the rear surface of the panel 2 near the upper and lower ends to disengage from the quality The rectangular slots 503 provided at the upper and lower ends of the front surface of the mass monitoring shell 1 simultaneously drive the circular docking posts 517 fixedly installed near the four corners on the rear surface of the panel 2 to disengage from the circular docking slots 516 provided near the four corners on the front surface of the mass monitoring shell 1, and the panel 2 is removed, which is simple and convenient, and the staff does not need to use a screwdriver to screw four screws for disassembly; the protective structure 6 includes a protective seat 601, a circular handle 602, a rectangular protective plate 603, a No. 2 slider 604, a No. 2 slide groove 605, a reset spring 606, a circular guide rod 607, and a protective top plate 608. A protective seat 601 is fixedly installed on the periphery of the control button 402 on the front surface of the panel 2, and No. 2 slide grooves 605 are provided on the surfaces of both ends of the inner side of the protective seat 601;A circular guide rod 607 is fixedly installed in the middle of the upper and lower surfaces of the No. 2 slide groove 605, and a No. 2 slider 604 is slidably installed on the outer surface of the circular guide rod 607. A reset spring 606 is sleeved on the upper end of the No. 2 slider 604 on the outer surface of the circular guide rod 607. The No. 2 slider 604 is fixedly installed on the lower ends of the two end surfaces of the rectangular protective plate 603. A circular handle 602 is fixedly installed on the front surface of the rectangular protective plate 603 near the lower end, and a protective top plate 608 is fixedly installed on the upper end of the rectangular protective plate 603. When the control button 402 needs to be operated, the circular handle 602 can be held and pulled upward to drive the rectangular protective plate 603 to move upward, so that the control button 402 leaks out and the operation begins. After the operation is completed, under the action of the reset spring 606, the rectangular protective plate 603 is driven to move downward to protect the control button 402 to avoid accidental touch and erosion.

[0026] It should be noted that the present invention is a power quality monitoring device. When the panel 2 is disassembled, the rotating block 501 is rotated so that the rotating block 501 drives the threaded rod 502 to rotate on the inner surface of the bearing 507, so that the rectangular slider 511 threadedly mounted on the outer surface of the threaded rod 502 slides forward in the rectangular slide groove 508, thereby driving the No. 1 mounting seat 512 fixedly mounted on the two end surfaces of the rectangular slider 511 to move forward, so that the front end of the movable rod 513 rotates on the No. 1 mounting seat 512, and the rear end of the movable rod 513 rotates on the No. 2 mounting seat 514, and drives the No. 2 mounting seat 514 to move to the other end, driving the No. 1 slider 505 fixedly mounted on the other end of the front and rear surfaces of the rectangular clamping block 510 to slide in the No. 1 slide groove 506 to the other end, so that the rectangular clamping block 510 is disengaged from the rectangular clamping slots 504 opened on the two end surfaces of the rectangular slot 503, and retracted into the rectangular groove 509, and then the panel 2 is pulled outward, driving the rectangular plug-in block 515 fixedly mounted on the rear surface of the panel 2 near the upper and lower ends to disengage from the quality monitoring The rectangular slots 503 provided at the upper and lower ends of the front surface of the shell 1 simultaneously drive the circular docking posts 517 fixedly installed on the rear surface of the panel 2 near the four corners to disengage from the circular docking slots 516 provided on the front surface of the quality monitoring shell 1 near the four corners, so that the panel 2 can be removed simply and conveniently, without the need for the staff to use a screwdriver to screw four screws for disassembly. When it is necessary to operate the control button 402, the circular handle 602 is held and pulled upward to drive the rectangular protective plate 603 to move upward, so that the No. 2 slider 604 fixedly installed at the lower ends of the two end surfaces of the rectangular protective plate 603 slides upward on the outer surface of the circular guide rod 607, and squeezes the reset spring 606 until the control button 402 leaks out, and then starts the operation. After the operation is completed, under the action of the reset spring 606, the No. 2 slider 604 is driven to slide downward on the outer surface of the circular guide rod 607, so that the No. 2 slider 604 drives the rectangular protective plate 603 to move downward, thereby protecting the control button 402 to avoid accidental touching and erosion affecting its use.

[0027] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. 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, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A power quality monitoring device, characterized in that: The invention comprises a quality monitoring shell (1) and a panel (2); an L-shaped mounting plate (3) is fixedly mounted at the front end of both end surfaces of the quality monitoring shell (1); a reserved mounting hole (301) is provided near the upper and lower ends of the L-shaped mounting plate (3); a display screen (4) is embedded near one end of the front surface of the panel (2); a display light (401) is embedded at the lower end of the display screen (4) on the front surface of the panel (2); a control button (402) is arranged near the other end of the front surface of the panel (2); a fixing structure (5) is arranged on the front surface of the quality monitoring shell (1) and the rear surface of the panel (2); and a protective structure (6) is arranged around the control button (402) on the front surface of the panel (2).

2. A power quality monitoring device according to claim 1, characterized in that: The fixing structure (5) comprises a rotating block (501), a threaded rod (502), a rectangular slot (503), a rectangular clamping groove (504), a No. 1 sliding block (505), a No. 1 sliding groove (506), a bearing (507), a rectangular sliding groove (508), a rectangular groove (509), a rectangular clamping block (510), a rectangular sliding block (511), a No. 1 mounting seat (512), a movable rod (513), a No. 2 mounting seat (514), a rectangular inserting block (515), a circular docking groove (516), and a circular docking column (517).

3. A power quality monitoring device according to claim 2, characterized in that: Circular docking posts (517) are fixedly mounted on the rear surface of the panel (2) near the four corners, circular docking grooves (516) are opened on the front surface of the quality monitoring shell (1) near the four corners, and circular docking posts (517) are inserted into the circular docking grooves (516), rectangular plug blocks (515) are fixedly mounted on the rear surface of the panel (2) near the upper and lower ends, and rectangular slots (503) are opened on the upper and lower ends of the front surface of the quality monitoring shell (1).

4. The power quality monitoring device according to claim 3, characterized in that: A rectangular slide groove (508) is provided inside the rectangular plug block (515), bearings (507) are fixedly installed in the middle of the front and rear surfaces of the rectangular slide groove (508), a threaded rod (502) is movably installed on the inner surface of the bearing (507), a rotating block (501) is fixedly installed on the front surface of the threaded rod (502), the threaded rod (502) passes through the panel (2), and a rectangular slider (511) is threadedly installed on the outer surface of the threaded rod (502).

5. The power quality monitoring device according to claim 4, characterized in that: A No. 1 mounting seat (512) is fixedly mounted in the middle of both end surfaces of the rectangular sliding block (511), a movable rod (513) is movably mounted on the No. 1 mounting seat (512), a rectangular groove (509) is provided on both end surfaces of the rectangular sliding groove (508), a No. 1 sliding groove (506) is provided on the front and rear surfaces of the rectangular groove (509) near one end, and a No. 1 sliding block (505) is slidably mounted on the inner surface of the No. 1 sliding groove (506).

6. A power quality monitoring device according to claim 5, characterized in that: A first sliding block (505) is fixedly mounted on the other end of the front and rear surfaces of the rectangular clamping block (510); a second mounting seat (514) is fixedly mounted on the other end surface of the rectangular clamping block (510); a movable rod (513) is movably mounted on the second mounting seat (514); rectangular clamping grooves (504) are formed on the surfaces of both ends of the rectangular slot (503); and the rectangular clamping block (510) is inserted into the rectangular clamping groove (504).

7. The power quality monitoring device according to claim 6, characterized in that: The protective structure (6) comprises a protective seat (601), a round handle (602), a rectangular protective plate (603), a No. 2 slider (604), a No. 2 slide groove (605), a return spring (606), a round guide rod (607), and a protective top plate (608). The protective seat (601) is fixedly installed on the periphery of the control button (402) on the front surface of the panel (2), and the No. 2 slide grooves (605) are provided on the inner two end surfaces of the protective seat (601).

8. The power quality monitoring device according to claim 7, characterized in that: A circular guide rod (607) is fixedly installed in the middle of the upper and lower surfaces of the No. 2 slide groove (605), and a No. 2 slider (604) is slidably installed on the outer surface of the circular guide rod (607). A reset spring (606) is sleeved on the upper end of the No. 2 slider (604) on the outer surface of the circular guide rod (607). The No. 2 slider (604) is fixedly installed at the lower end of the two end surfaces of the rectangular protective plate (603), and a circular handle (602) is fixedly installed on the front surface of the rectangular protective plate (603) near the lower end, and a protective top plate (608) is fixedly installed on the upper end of the rectangular protective plate (603).

Images