Wave recorder suspension device for monitoring power grid fault

Abstract

The utility model relates to the technical field of oscillographs, and discloses an oscillograph suspension device for monitoring power grid faults, which comprises a case, a front panel is fixedly arranged on the front side of the case, a display screen is fixedly arranged in the front panel and is electrically connected with a main control board in the case through a connecting line, a plurality of T-shaped sliding chutes are arranged on the case, and the T-shaped sliding chutes are arranged in the case. A T-shaped sliding block is connected into the T-shaped sliding groove in a sliding mode, and an inserting rod is movably installed in the T-shaped sliding block. The two slidable T-shaped sliding blocks are arranged on the case, and the insertion rods capable of vertically displacing are arranged in the T-shaped sliding blocks, so that the handle is rotatably mounted between the two T-shaped sliding blocks in cooperation with the connecting rod and the rotating shaft, the use position of the handle can be quickly adjusted, and the rear side of the case can be more attached to the cabinet door of the power cabinet; the suspension stability of the oscillograph is guaranteed, and the handle is suspended on the cabinet door of the power cabinet by means of the suspension plate which is overturned and unfolded, so that a technician can conveniently adjust detection parameters of the oscillograph and check data.

Description

Technical Field

[0001] This utility model relates to the field of waveform recorder technology, and in particular to a waveform recorder suspension device for monitoring power grid faults. Background Technology

[0002] A waveform recorder is an important automatic recording device used to monitor the operating status of power systems. It can automatically capture and record key data, such as changes in voltage, current, and their derived parameters (e.g., active power, reactive power, and system frequency), when a system fault or oscillation occurs.

[0003] When monitoring the operation of the circuit cabinet, a waveform recorder is also used to capture and record changes in key parameters such as current and voltage in the power cabinet in real time, thus comprehensively reflecting the operating status of the power cabinet. Through the data recorded by the waveform recorder, technicians can analyze whether there are abnormalities such as overload, short circuit, or grounding in the power cabinet and take timely measures to deal with them. However, due to the existing structure of the waveform recorder, when monitoring the operation of the power cabinet, the waveform recorder needs to be placed on the ground or at the bottom of the power cabinet. In this storage position, technicians need to bend over or squat down to view the screen and operate it, which increases the difficulty of the work and fatigue. In addition, the ground environment may be relatively noisy and have electromagnetic interference, which may affect the data acquisition and accuracy of the waveform recorder. Utility Model Content

[0004] The purpose of this invention is to provide a waveform recorder suspension device for monitoring power grid faults, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A waveform recorder suspension device for monitoring power grid faults includes a chassis. A front panel is fixedly installed on the front side of the chassis, and a display screen is fixedly installed inside the front panel. The display screen is electrically connected to a main control board inside the chassis via a connecting cable. The chassis has multiple T-shaped sliding grooves, and T-shaped sliders are slidably connected in the T-shaped sliding grooves. Insert rods are movably installed in the T-shaped sliders. A handle is provided between two T-shaped sliders, and connecting rods are fixedly installed on both sides of the handle. A connecting groove is provided at the bottom of the connecting rod, and a rotating shaft is fixedly installed in the connecting groove. The connecting rod is movably installed between two T-shaped sliders via the rotating shaft.

[0007] As a further preferred embodiment of this utility model, two positioning grooves are provided at the bottom of the T-shaped groove.

[0008] As a further preferred embodiment of this utility model, the T-shaped slider has a shaft hole, and a first limiting block and a second limiting block are fixedly installed inside the shaft hole respectively;

[0009] Based on this, a shaft hole is opened in the T-shaped slider, which allows the connecting rod to rotate on the T-shaped slider with the rotating shaft as the axis, and the rotation angle of the T-shaped slider can be controlled by the first limit block and the second limit block.

[0010] As a further preferred embodiment of this utility model, a limiting groove is provided at the bottom of the T-shaped slider, an end block is fixedly installed in the limiting groove, a displacement groove is provided at the top of the limiting groove, an insertion hole is provided at the top of the displacement groove, and one end of the insertion hole is connected to the shaft hole, and the other end of the insertion hole is connected to the displacement groove.

[0011] As a further preferred embodiment of this utility model, a fixing ring is fixedly installed on the outer side of the insertion rod, the insertion rod is inserted into the insertion hole, and the upper end of the insertion rod extends through the insertion hole into the shaft hole. A positioning block is fixedly installed on the lower end of the insertion rod and inserted into the through hole in the end block. A compression spring is fitted on the insertion rod located between the end block and the fixing ring.

[0012] Based on this, by setting a vertically movable insert rod in the connecting groove, and cooperating with the positioning block and the positioning groove in the T-shaped slide, the connecting groove can be limited, preventing the T-shaped slider of the handle from shifting during use.

[0013] As a further preferred embodiment of this utility model, a storage groove is provided inside the handle, and a hanging plate is provided inside the storage groove. The longitudinal cross-section of the hanging plate is U-shaped. Multiple connecting blocks are fixedly installed on one side of the hanging plate. The connecting blocks are rotatably installed on a fixed shaft, that is, the hanging plate is rotatably installed in the storage groove through the connecting blocks.

[0014] Based on this, by using a retractable and expandable U-shaped hanging plate, the entire device can be suspended on the cabinet door of the power cabinet after the handle is adjusted to a position close to the rear of the chassis.

[0015] As a further preferred embodiment of this utility model, a third limiting block and a top block are fixedly installed on the outer side of the rotating shaft, and the rotating shaft is rotatably installed in the corresponding shaft hole.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] In this invention, two slidable T-shaped sliders are provided on the chassis, and vertically displaceable insert rods are provided inside the T-shaped sliders. This allows the handle, in conjunction with the connecting rod and the rotating shaft, to be rotatably mounted between the two T-shaped sliders, enabling quick adjustment of the handle's position. This allows the rear of the chassis to fit more snugly against the power cabinet door, ensuring the stability of the recorder's suspension. The handle is suspended from the power cabinet door by means of a flip-up hanging plate, facilitating technicians to adjust the recorder's detection parameters and view the data. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the unfolded structure of the handle and hanging plate of this utility model;

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a schematic diagram of the disassembled handle and hanging plate structure of this utility model;

[0022] Figure 5 This is a cross-sectional view of the T-shaped slider of this utility model.

[0023] In the diagram: 1. Chassis; 2. Front panel; 3. Display screen; 4. T-shaped slide; 5. T-shaped slider; 6. Handle; 7. Mounting plate; 8. Connecting rod; 9. Connecting groove; 10. Rotating shaft; 11. Positioning groove; 12. Shaft hole; 13. First limiting block; 14. Second limiting block; 15. Limiting groove; 16. Displacement groove; 17. Insertion hole; 18. Insertion rod; 19. Fixing ring; 20. Positioning block; 21. Compression spring; 22. Third limiting block; 23. Top block; 24. Storage groove; 25. Fixing shaft; 26. Connecting block; 27. End block. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] like Figures 1-5As shown, the present invention provides a waveform recorder suspension device for monitoring power grid faults, including a chassis 1. A front panel 2 is fixedly installed on the front side of the chassis 1, and a display screen 3 is fixedly installed inside the front panel 2. The display screen 3 is electrically connected to the main control board inside the chassis 1 through a connecting cable. The chassis 1 has multiple T-shaped sliding grooves 4, and T-shaped sliders 5 are slidably connected in the T-shaped sliding grooves 4. Insert rods 18 are movably installed in the T-shaped sliders 5. A handle 6 is provided between two T-shaped sliders 5. Connecting rods 8 are fixedly installed on both sides of the handle 6. A connecting groove 9 is provided at the bottom of the connecting rod 8, and a rotating shaft 10 is fixedly installed in the connecting groove 9. The connecting rod 8 is movably installed between two T-shaped sliders 5 through the rotating shaft 10.

[0026] Two positioning grooves 11 are provided at the bottom of the T-shaped slide 4. A shaft hole 12 is provided in the T-shaped slider 5. A first limiting block 13 and a second limiting block 14 are fixedly installed inside the shaft hole 12. The shaft hole 12 in the T-shaped slider 5 allows the connecting rod 8 to rotate on the T-shaped slider 5 with the rotating shaft 10 as the axis. The rotation angle of the T-shaped slider 5 can be controlled by the first limiting block 13 and the second limiting block 14. A limiting groove 15 is provided at the bottom of the T-shaped slider 5. An end block 27 is fixedly installed in the limiting groove 15. A displacement groove 16 is formed at the top of the limiting groove 15. An insertion hole 17 is formed at the top of the displacement groove 16. One end of the insertion hole 17 is connected to the shaft hole 12, and the other end of the insertion hole 17 is connected to the displacement groove 16. A fixing ring 19 is fixedly installed on the outside of the insertion rod 18. The insertion rod 18 is inserted into the insertion hole 17, and the upper end of the insertion rod 18 extends through the insertion hole 17 into the shaft hole 12. A positioning block 20 is fixedly installed at the lower end of the insertion rod 18 and is inserted into the end block. In the through hole of 27, the insertion rod 18 located between the end block 27 and the fixing ring 19 is fitted with a compression spring 21. The insertion rod 18, which can be vertically displaced, is set in the connecting groove 9 and cooperates with the positioning block 20 and the positioning groove 11 in the T-shaped slide groove 4 to realize the limiting of the connecting groove 9 and prevent the T-shaped slider 5 of the handle 6 from being displaced when in use. The handle 6 has a storage groove 24, and a hanging plate 7 is set in the storage groove 24. The longitudinal section of the hanging plate 7 is U-shaped. Multiple connecting blocks 26 are fixedly installed on one side of the hanging plate 7. The connecting blocks 26 are rotatably installed on the fixed shaft 25. That is, the hanging plate 7 is rotatably installed in the storage groove 24 through the connecting blocks 26. With the U-shaped hanging plate 7 that can be stored and unfolded, after the handle 6 is adjusted to a position close to the rear of the chassis 1, the entire device can be suspended on the cabinet door of the power cabinet by using the hanging plate 7. The third limiting block 22 and the top block 23 are fixedly installed on the outside of the rotating shaft 10 respectively. The rotating shaft 10 is rotatably installed in the corresponding shaft hole 12.

[0027] It should be noted that this utility model is a suspension device for a waveform recorder used to monitor power grid faults. When carrying the entire waveform recorder by hand, the handle 6 can be held directly and rotated between the two T-shaped sliders 5 around the two rotating shafts 10, thereby adjusting the handle 6 from a horizontal to a vertical position. At this time, the handle 6 is located in the middle of the upper part of the waveform recorder, which facilitates carrying and moving the waveform recorder by hand. When it is necessary to suspend the waveform recorder on the door of the circuit cabinet for use, the handle 6, which is in a horizontal position, can be pulled to one side. Then, the handle 6, through the cooperation of the two connecting rods 8 and the rotating shafts 10, pulls the corresponding T-shaped sliders 5 to slide in the corresponding T-shaped grooves 4, thereby causing the T-shaped sliders 5 to slide closer to the rear of the chassis 1. Then, the handle 6 is rotated 90 degrees again. This allows the handle 6 to drive the rotating shaft 10 to rotate within the shaft hole 12, and the rotating shaft 10 to drive the third limiting block 22 and the top block 23 to rotate synchronously within the shaft hole 12. The first limiting block 13 limits the third limiting block 22, and the top block 23 rotates with the rotating shaft 10 to press down the insertion rod 18, thereby causing the insertion rod 18 to move down within the insertion hole 17. At the same time, the insertion rod 18 compresses the compression spring 21 onto the limiting groove 15 through the fixing ring 19, thereby causing the positioning block 20 at the lower end of the insertion rod 18 to engage with the corresponding positioning groove 11, thus limiting the T-shaped slider 5. Subsequently, the hanging plate 7 can be rotated and opened on the fixed shaft 25 with multiple connecting blocks 26 as the axis, so that the hanging plate 7 and the handle 6 are perpendicularly intersecting, and the hanging plate 7 can be hung on the cabinet door of the power cabinet.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A waveform recorder suspension device for monitoring power grid faults, characterized in that: The device includes a chassis (1), a front panel (2) is fixedly installed on the front side of the chassis (1), a display screen (3) is fixedly installed inside the front panel (2), and the display screen (3) is electrically connected to the main control board inside the chassis (1) via a connecting cable. The chassis (1) has multiple T-shaped sliding grooves (4), T-shaped sliders (5) are slidably connected in the T-shaped sliding grooves (4), and plug rods (18) are movably installed in the T-shaped sliders (5). A handle (6) is provided between two T-shaped sliders (5), and connecting rods (8) are fixedly installed on both sides of the handle (6). A connecting groove (9) is provided at the bottom of the connecting rod (8), and a rotating shaft (10) is fixedly installed in the connecting groove (9). The connecting rod (8) is movably installed between two T-shaped sliders (5) via the rotating shaft (10).

2. The waveform recorder suspension device for monitoring power grid faults according to claim 1, characterized in that: Two positioning grooves (11) are provided at the bottom of the T-shaped groove (4).

3. The waveform recorder suspension device for monitoring power grid faults according to claim 2, characterized in that: The T-shaped slider (5) has a shaft hole (12) inside, and a first limiting block (13) and a second limiting block (14) are fixedly installed inside the shaft hole (12).

4. The waveform recorder suspension device for monitoring power grid faults according to claim 3, characterized in that: The bottom of the T-shaped slider (5) is provided with a limiting groove (15), and an end block (27) is fixedly installed in the limiting groove (15). A displacement groove (16) is provided at the top of the limiting groove (15), and an insertion hole (17) is provided at the top of the displacement groove (16). One end of the insertion hole (17) is connected to the shaft hole (12), and the other end of the insertion hole (17) is connected to the displacement groove (16).

5. The waveform recorder suspension device for monitoring power grid faults according to claim 4, characterized in that: A fixing ring (19) is fixedly installed on the outside of the insertion rod (18). The insertion rod (18) is inserted into the insertion hole (17), and the upper end of the insertion rod (18) extends through the insertion hole (17) into the shaft hole (12). A positioning block (20) is fixedly installed on the lower end of the insertion rod (18) and inserted into the through hole in the end block (27). A compression spring (21) is fitted on the insertion rod (18) located between the end block (27) and the fixing ring (19).

6. The waveform recorder suspension device for monitoring power grid faults according to claim 3, characterized in that: The handle (6) has a storage slot (24) inside, and a hanging plate (7) is provided inside the storage slot (24). The longitudinal section of the hanging plate (7) is U-shaped. Multiple connecting blocks (26) are fixedly installed on one side of the hanging plate (7). The connecting blocks (26) are rotatably installed on the fixed shaft (25). That is, the hanging plate (7) is rotatably installed in the storage slot (24) through the connecting blocks (26).

7. The waveform recorder suspension device for monitoring power grid faults according to claim 6, characterized in that: The third limiting block (22) and the top block (23) are fixedly installed on the outside of the rotating shaft (10), and the rotating shaft (10) is rotatably installed in the corresponding shaft hole (12).

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