A monitoring device for transformer on-load voltage regulating switch

Abstract

The utility model relates to a monitoring device for a transformer on-load voltage regulator, comprising a box body, the box body is composed of a device box and a box cover, the box cover is hinged to the device box, a body is detachably arranged in the device box, the body is used to monitor the transformer on-load voltage regulator, and reflect the measured value of the electrical performance of the transformer on-load voltage regulator, and also includes: a shaft column, which is transversely fixed in the box cover; a shielding component, which includes a baffle, and the baffle is rotatably connected to the shaft column; a supporting component, which includes a boss and a supporting block, wherein the supporting block is rotatably connected to the boss and fits on the bottom of the baffle. The monitoring device for the transformer on-load voltage regulator adopts a supporting component to support the shielding component, so that the shielding component can shield the display screen of the body to avoid strong light interference, provide convenience for maintenance personnel to read, and can prevent the body from overheating, avoid thermal expansion of the electronic components inside it, and prevent inaccurate measurement results.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power maintenance equipment, in particular to a transformer on-load voltage regulating switch monitoring device. Background Art

[0002] The transformer on-load switch tester can also be called the transformer on-load switch detector. It is a comprehensive measuring instrument that monitors the transformer on-load tap-changing switch and reflects the measurement values ​​of the electrical performance of the transformer on-load tap-changing switch. It is computer-controlled and can measure the transition time, transition waveform, transition resistance, three-phase synchronization and other parameters of the on-load tap-changing switch through a specially designed measuring circuit.

[0003] Transformer on-load switch testers are mostly chassis-type and can be carried easily. They can timely diagnose potential faults of on-load voltage regulators in preventive tests on transformer on-load voltage regulators and transformer overhauls, which is of great significance to improving the reliability of power system operation. However, since transformers are mostly outdoors, the detection time usually takes several hours in the outdoor maintenance of transformer on-load voltage regulators. In this way, the body and display screen of the transformer on-load switch tester will continue to be exposed to direct sunlight. Under strong light, maintenance personnel cannot clearly observe the data on the display screen. Therefore, a transformer on-load voltage regulator monitoring device is proposed. Utility Model Content

[0004] Based on the above description, the utility model provides a transformer on-load tap-changing switch monitoring device, which solves the technical problem that the existing transformer on-load switch tester is not provided with a shading structure, which will be disturbed by sunlight when working outdoors, causing inconvenience in reading.

[0005] The utility model solves the above technical problems with the following technical solutions: a transformer on-load voltage regulator monitoring device, comprising a box body, the box body is composed of a device box and a box cover, the box cover is hinged to the device box, a body is detachably arranged in the device box, the body is used to monitor the transformer on-load voltage regulator, reflect the measured value of the electrical performance of the transformer on-load voltage regulator, and also includes:

[0006] A shaft column, which is laterally fixed in the box cover;

[0007] A shielding component, comprising a baffle, the baffle being rotatably connected to the shaft column;

[0008] The supporting component includes a boss and a supporting block, wherein the supporting block is rotatably connected to the boss and fits on the bottom of the baffle, thereby supporting the shielding component so that the shielding component can shield the display screen of the body.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, a through hole is formed on the baffle plate, and the shielding component further comprises a shading cloth, which is detachably connected to the baffle plate and seals the through hole.

[0011] Furthermore, the baffle is composed of an upper plate and a lower plate, the shading cloth is located between the upper plate and the lower plate, screw holes are provided on the upper plate and the lower plate, and fixing bolts are threadedly connected between the upper plate and the lower plate through the screw holes.

[0012] Furthermore, an accommodating cavity is provided on one side opposite to the upper plate and the lower plate, the cross-sectional shape of the accommodating cavity is semicircular, and the diameter of the accommodating cavity is equal to the diameter of the shaft column, so that the baffle can be rotatably connected to the shaft column through the accommodating cavity.

[0013] Furthermore, the length of the baffle is equal to the length of the body, and the display screen on the body is located in the middle of the body.

[0014] Furthermore, there are two groups of support components, and the two groups of support components are symmetrically distributed.

[0015] Furthermore, a hinge seat is fixed on the back of the device box, a hinge sleeve is fixed on the back of the box cover, an extension strip is integrally connected to the side of the hinge sleeve away from the box cover, and the side of the extension strip away from the hinge sleeve abuts against the back of the device box.

[0016] Furthermore, the angle between the device box and the box cover is 105°.

[0017] Furthermore, both left and right sides of the box cover are threadedly connected with limit bolts.

[0018] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0019] 1. The transformer on-load tap-changing switch monitoring device adopts a supporting component to support the shielding component, so that the shielding component can shield the display screen of the machine body to avoid strong light interference and provide convenience for maintenance personnel to read the data.

[0020] 2. The transformer on-load tap-changing switch monitoring device has a shielding component that can shield most areas of the machine body from light, thereby preventing the machine body from overheating. This can prevent thermal expansion of the internal electronic components and prevent inaccurate measurement results. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of a transformer on-load tap-changing switch monitoring device after expansion provided by an embodiment of the utility model;

[0022] Figure 2 for Figure 1 A structural diagram from another perspective;

[0023] Figure 3 It is a partial structural schematic diagram of the box body in the embodiment of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure after the shielding component is adjusted into the box cover in the embodiment of the utility model;

[0025] Figure 5 for Figure 2 A partial enlarged schematic diagram of the middle A area;

[0026] Figure 6 It is an exploded schematic diagram of the shielding component in the embodiment of the utility model.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1. Box body; 11. Equipment box; 12. Box cover; 13. Hinge seat; 14. Hinge sleeve; 15. Extension strip; 2. Machine body; 3. Axis column; 4. Shielding component; 41. Baffle; 411. Upper plate; 412. Lower plate; 413. Accommodating chamber; 42. Shading cloth; 43. Fixing bolt; 5. Support component; 51. Boss; 52. Support block; 6. Limiting bolt. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] like Figure 1-5 As shown, a transformer on-load tap-changing switch monitoring device in this embodiment includes a box body 1, a body 2, a shaft column 3, a shielding component 4 and a supporting component 5, wherein the combination of the box body 1 and the body 2 is a transformer on-load switch detector in the prior art, which is used to monitor the transformer on-load tap-changing switch and reflect the measured values ​​of the electrical performance of the transformer on-load tap-changing switch, where the electrical performance refers to parameters such as transition time, transition waveform, transition resistance and three-phase synchronization, and the box body 1 is composed of a device box 11 and a box cover 12, and the box cover 12 is hinged to the device box 11, and the body 2 is detachably arranged in the device box 11 by bolts, so that the box body 1 can protect the body 2 and has the characteristic of portability.

[0031] It should be noted that the display screen on the body 2 is located in the middle of the body 2, so that the shielding component 4 can better shield it from light. Figure 3 As shown, a hinge seat 13 is fixed to the back of the device box 11, a hinge sleeve 14 is fixed to the back of the box cover 12, an extension strip 15 is integrally connected to the side of the hinge sleeve 14 away from the box cover 12, and the side of the extension strip 15 away from the hinge sleeve 14 abuts against the back of the device box 11. At this time, the angle between the device box 11 and the box cover 12 is preferably 105°.

[0032] As the focus of this application, first Figure 5 As shown, the shaft column 3 is transversely fixed in the box cover 12. At this time, the shaft column 3 is the rotation center of the shielding member 4. In this way, the shielding member 4 can rotate around the shaft column 3. Figure 2 As shown, the shielding member 4 at least includes a baffle 41, that is, the baffle 41 is rotatably connected to the shaft column 3, and the length of the baffle 41 is equal to the length of the body 2. In addition, in order to support the body 2 and its display screen when the shielding member 4 shields light, as shown in FIG. Figure 5 As shown, the supporting component 5 includes a boss 51 and a supporting block 52, wherein the boss 51 is fixed to the inner wall of the box cover 12, and the supporting block 52 is rotatably connected to the boss 51 and fits on the bottom of the baffle 41, thereby supporting the shielding component 4, so that the shielding component 4 can shield the display screen of the body 2, and after the shading is completed, the shielding component 4 can be rotated into the box cover 12 by rotating the supporting block 52.

[0033] It should be noted that the number of supporting components 5 is not less than one group. In the present application, the preferred solution for the number of supporting components 5 is two groups, and the two groups of supporting components 5 are symmetrically distributed, so that the supporting balance can be ensured.

[0034] At this time, when the supporting component 5 stably supports the shielding component 4, the shielding component 4 can shield the display screen of the body 2 to avoid interference from strong light, provide convenience for maintenance personnel to read, and can shield most areas of the body 2 to prevent the body 2 from overheating. In this way, thermal expansion of the electronic components inside it can be avoided, ensuring the accuracy of the measurement results of the body 2.

[0035] Considering that the weight of the baffle 41 should not be too heavy, for this reason, Figure 2 As shown, in a certain embodiment, the baffle 41 is preferably made of plastic, and a through hole is opened on the baffle 41, so that the weight of the shielding component 4 can be reduced. At this time, the shielding component 4 also includes a blackout cloth 42, which is detachably connected to the baffle 41 and seals the through hole.

[0036] Further, the description of the detachable connection between the shading cloth 42 and the baffle 41 is as follows: Figure 1 and 6 As shown, the baffle 41 is composed of an upper plate 411 and a lower plate 412, so that the upper plate 411 and the lower plate 412 are both provided with through holes. At this time, the blackout cloth 42 is located between the upper plate 411 and the lower plate 412, and screw holes are opened on the upper plate 411 and the lower plate 412. The upper plate 411 and the lower plate 412 are threadedly connected with fixing bolts 43 through the screw holes, that is, the blackout cloth 42 is clamped between the upper plate 411 and the lower plate 412, and the upper plate 411 and the lower plate 412 are locked with fixing bolts 43, so that the blackout cloth 42 can be easily disassembled and replaced when it is damaged.

[0037] Furthermore, as to the description of the rotatable connection between the baffle plate 41 and the shaft column 3, a receiving cavity 413 is provided on opposite sides of the upper plate 411 and the lower plate 412. The cross-sectional shape of the receiving cavity 413 is semicircular, and the diameter of the receiving cavity 413 is equal to the diameter of the shaft column 3. In this way, the baffle plate 41 can be rotatably connected to the shaft column 3 through the receiving cavity 413.

[0038] Further, after the shielding member 4 is rotated to the box cover 12, the shielding member 4 is limited. Figure 2 As shown, in a certain embodiment, the left and right sides of the box cover 12 are both threadedly connected with limit bolts 6, and the limit bolts 6 can adjust their own positions by rotation. In this way, after the shielding component 4 is rotated to the box cover 12, the limit bolts 6 are rotated until the limit bolts 6 form a blockage for the shielding component 4.

[0039] like Figure 4 As shown, before the shielding member 4 is unfolded, the shielding member 4 is completely located in the box cover 12, so that the normal carrying of the transformer on-load tap changer monitoring device will not be affected. Figure 1 and 2 As shown, after the shielding component 4 is unfolded, the shielding component 4 is preferably perpendicular to the box cover 12. At this time, the shielding component 4 blocks light from most areas of the body 2 and the display screen. In this way, the body 2 and its display screen can avoid interference from strong light, providing convenience for maintenance personnel to read. In addition, since the shielding component 4 can block light from most areas of the body 2, it can prevent the body 2 from overheating. In this way, thermal expansion of the electronic components inside it can be avoided, preventing inaccurate measurement results.

[0040] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A transformer on-load tap changer monitoring device, comprising a box (1), the box (1) comprising a device box (11) and a box cover (12), the box cover (12) being hinged to the device box (11), a body (2) being detachably arranged in the device box (11), the body (2) being used for monitoring the transformer on-load tap changer, reflecting the measured value of the electrical performance of the transformer on-load tap changer, and characterized in that: Also includes: A shaft column (3) which is transversely fixed in the box cover (12); A shielding component (4), comprising a baffle (41), wherein the baffle (41) is rotatably connected to the shaft column (3); The supporting component (5) comprises a boss (51) and a supporting block (52), wherein the supporting block (52) is rotatably connected to the boss (51) and abuts against the bottom of the baffle (41), thereby supporting the shielding component (4) so ​​that the shielding component (4) can shield the display screen of the machine body (2).

2. A transformer on-load tap changer monitoring device according to claim 1, characterized in that: The baffle plate (41) is provided with a through hole, and the shielding component (4) further comprises a shading cloth (42). The shading cloth (42) is detachably connected to the baffle plate (41) and seals the through hole.

3. A transformer on-load tap changer monitoring device according to claim 2, characterized in that: The baffle (41) is composed of an upper plate (411) and a lower plate (412); the shading cloth (42) is located between the upper plate (411) and the lower plate (412); screw holes are provided on the upper plate (411) and the lower plate (412); fixing bolts (43) are threadedly connected between the upper plate (411) and the lower plate (412) through the screw holes.

4. A transformer on-load tap changer monitoring device according to claim 3, characterized in that: The upper plate (411) and the lower plate (412) are each provided with an accommodating cavity (413) on one side opposite to the other. The cross-sectional shape of the accommodating cavity (413) is semicircular, and the diameter of the accommodating cavity (413) is equal to the diameter of the shaft column (3), so that the baffle (41) can be rotatably connected to the shaft column (3) through the accommodating cavity (413).

5. The transformer on-load tap changer monitoring device according to claim 1, characterized in that: The length of the baffle (41) is equal to the length of the body (2), and the display screen on the body (2) is located in the middle of the body (2).

6. A transformer on-load tap changer monitoring device according to claim 1, characterized in that: The number of the supporting components (5) is two groups, and the two groups of supporting components (5) are symmetrically distributed.

7. The transformer on-load tap changer monitoring device according to claim 1, characterized in that: A hinge seat (13) is fixed on the back of the device box (11), a hinge sleeve (14) is fixed on the back of the box cover (12), an extension strip (15) is integrally connected to the side of the hinge sleeve (14) away from the box cover (12), and the side of the extension strip (15) away from the hinge sleeve (14) abuts against the back of the device box (11).

8. The transformer on-load tap changer monitoring device according to claim 7, characterized in that: The included angle between the device box (11) and the box cover (12) is 105°.

9. The transformer on-load tap changer monitoring device according to claim 4, characterized in that: The left and right sides of the box cover (12) are both threadedly connected with limit bolts (6).

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