CN109342783B - Transformer live detection sensor auxiliary device capable of being installed rapidly - Google Patents
Transformer live detection sensor auxiliary device capable of being installed rapidly Download PDFInfo
- Publication number
- CN109342783B CN109342783B CN201811453145.1A CN201811453145A CN109342783B CN 109342783 B CN109342783 B CN 109342783B CN 201811453145 A CN201811453145 A CN 201811453145A CN 109342783 B CN109342783 B CN 109342783B
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- sensor
- block
- auxiliary device
- installation cavity
- transformer
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000009434 installation Methods 0.000 claims abstract description 33
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Escalators And Moving Walkways (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
In the sensor auxiliary device for the live detection of the transformer capable of being rapidly installed, a sensor auxiliary device body is divided into an armrest at the upper part, a base at the bottom and a sensor installation cavity penetrating the armrest and the base, one side of the sensor installation cavity is provided with an opening, a clamping long strip block is arranged on the top wall of the opening through a hinge, a sliding rail is distributed in the middle part of the clamping long strip block, an adjusting bolt is vertically arranged in the sliding rail, a sliding block is movably sleeved on the adjusting bolt, an abutting block integrally formed with the sliding block is integrally arranged on the adjusting bolt, and two ends of the abutting block are slidably clamped in inclined guide grooves embedded in side walls at two sides of the opening; the wedge block is installed in the wedge block chute through the return spring and is movably connected with the extrusion ball valve, the extrusion ball valve is fixedly connected with the operation block through the connecting shaft, the guide shafts are installed on two sides of the operation block, and the bottoms of the guide shafts are connected with elastic pieces installed in inner cavities on two sides of the telescopic hole. The invention can be absorbed on the surface of the transformer and can be conveniently taken down, thereby reducing manpower expenditure and improving working efficiency.
Description
Technical Field
The invention relates to the technical field of safety monitoring auxiliary devices of power transformers, in particular to a sensor auxiliary device capable of being rapidly installed for live detection of a transformer.
Background
The transformer is an important device of the power system, the running state of the transformer is accurately estimated, faults are accurately diagnosed, and the running safety of the whole power grid is related; the state evaluation is to record, classify and evaluate the running state and other information of the transformer, provide decision basis for equipment maintenance, effectively know and monitor the running state of the equipment by researching the state evaluation detection technology of the power transformer, provide early fault alarm and guarantee the safe running of the transformer.
In the past, the live detection needs to be carried out on site by multiple persons, one person is required to hold the detection sensor, and the other person operates the detection host and records data, so that the defects of complex detection work, large workload, low working efficiency and the like are caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the sensor auxiliary device for the live detection of the transformer, which can be quickly installed, can be directly adsorbed on the detection surface of the transformer, does not need manual hand, can be used for carrying out a test by only one person, and not only reduces manpower expenditure, but also improves the working efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions: a rapidly-installed sensor auxiliary device for live detection of a transformer comprises a sensor auxiliary device body, wherein a sensor for detection is installed in a sensor installation cavity arranged in the sensor auxiliary device body;
the sensor auxiliary device comprises a sensor auxiliary device body, a wedge block sliding groove, a wedge block, a connecting shaft, an operation block, an elastic piece and an operation block, wherein the wedge block sliding groove is formed in the wedge block sliding groove through a return spring; the lower surface of the base is fixedly provided with a magnetic attraction device which is attracted to the surface of the transformer; the wedge block is retracted into the wedge block chute by pressing, the extrusion ball valve is extruded downwards through the inclined plane of the wedge block, the operation block is enabled to protrude out of the telescopic hole to be in contact with the surface of the transformer, and the magnetic attraction device is enabled to be separated from the surface of the transformer.
Optionally, the sensor auxiliary device body is further provided with an upper handrail, and the sensor mounting cavity penetrates through the handrail and the base; one side of sensor installation cavity is equipped with the opening, installs chucking rectangular piece through the hinge on the open-ended roof, the middle part of chucking rectangular piece distributes there is the slide rail, vertical install adjusting bolt in the slide rail, the slider is established to the movable sleeve on the adjusting bolt, slider and butt piece integrated into one piece, the both ends slip joint of butt piece is in embedded slant guide way on the lateral wall of opening both sides, and drives through the slip of slider in the slide rail the butt piece slides in slant guide way synchronous slant, comes the sensor for detection of chucking sensor installation cavity internal installation.
Optionally, the wedge sliding groove is arranged at the joint of the base and the handrail.
Optionally, the middle part of base lower surface distributes has the entrance of sensor installation cavity, and the both sides limit of sensor installation cavity entrance is all fixed and is equipped with magnetism suction device, flexible hole sets up in the position between magnetism suction device and the sensor installation cavity entrance.
Optionally, the quantity of operation piece is four, and four operation piece's structure is unanimous, and four operation piece all set up in the concertina type hole through corresponding connecting axle and extrusion ball valve.
Optionally, a sensor buffer cushion block is installed in the sensor installation cavity, and the sensor buffer cushion block is connected with the top inner wall of the sensor installation cavity into a whole through a spring.
Optionally, a protective pad is laid on the surface of one side of the clamping long strip block facing the sensor mounting cavity, and the top of the clamping long strip block is mounted on the outer side of the top wall of the opening through a hinge.
Optionally, the inclined guide groove is obliquely arranged inwards from top to bottom on the side wall of the opening, and the sliding length of the inclined guide groove is consistent with that of the sliding rail.
Optionally, the adjusting bolt is installed in the sliding rail through the installing column, and a nut is sleeved on the adjusting bolt through threads.
Optionally, an arc pressing surface is arranged outside the wedge block, and the arc pressing surface and the wedge block are integrally formed.
The beneficial effects achieved by the invention are as follows:
1. according to the sensor auxiliary device for the live detection of the transformer capable of being rapidly installed, the magnetic attraction device is arranged on the base, so that the sensor auxiliary device body can be adsorbed on the surface of the transformer during detection of the transformer, manual hand is not needed, and hands of a detector can be liberated, and thus live detection of the transformer can be carried out by only one person, manpower expenditure is reduced, and working efficiency is improved.
2. According to the quick-mounting sensor auxiliary device for live detection of the transformer, the clamping long strip block, the sliding block and the abutting block are arranged at the opening, so that the sensor for detection is convenient to fix and detach, and the operation is simple.
3. According to the rapidly-installed sensor auxiliary device for live detection of the transformer, the wedge-shaped block sliding groove and the operating block are arranged, so that when the sensor auxiliary device body is moved, the operating block can be pressed inwards to extrude the protruding telescopic hole, and the magnetic attraction device is separated from the surface of the transformer.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of the opening, hinge and gripping bar connection of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 a in accordance with the present invention;
FIG. 4 is a diagram of the wedge block to handrail connection of the present invention;
FIG. 5 is a view showing the connection of the squeeze ball valve, the connecting shaft and the operating block of the present invention.
Reference numerals in the drawings: 1. a sensor auxiliary device body; 2. an armrest; 3. a base; 4. a sensor mounting cavity; 5. an opening; 6. a hinge; 7. clamping the long strip block; 8. a slide rail; 9. an adjusting bolt; 10. a slide block; 11. an abutment block; 12. an oblique guide groove; 13. wedge block chute; 14. wedge blocks; 15. a return spring; 16. extruding a ball valve; 17. a connecting shaft; 18. an operation block; 19. a guide shaft; 20. a telescopic hole; 21. an elastic member; 22. a magnetic attraction device; 23. sensor buffer cushion blocks; 24. a protective gasket; 25. a mounting column; 26. a nut; 27. an arc pressing surface.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples: as shown in fig. 1-5, a sensor auxiliary device for live detection of a rapidly-installed transformer comprises a sensor auxiliary device body 1, wherein the sensor auxiliary device body 1 comprises an armrest 2 at the upper part, a base 3 at the bottom and a sensor installation cavity 4 penetrating through the armrest 2 and the base 3, one side of the sensor installation cavity 4 is provided with an opening 5, a clamping long strip block 7 is installed on the top wall of the opening 5 through a hinge 6, a sliding rail 8 is distributed in the middle of the clamping long strip block 7, an adjusting bolt 9 is vertically installed in the sliding rail 8, the adjusting bolt 9 is installed in the sliding rail 8 through an installation column 25, and a nut 26 is sleeved on the adjusting bolt 9 through threads. The adjusting bolt 9 is movably sleeved with the sliding block 10, the sliding block 10 and the abutting block 11 are integrally formed, two ends of the abutting block 11 are slidably clamped in the embedded oblique guide grooves 12 on the side walls of two sides of the opening 5, and the abutting block 11 can synchronously slide obliquely in the oblique guide grooves 12 through the sliding of the sliding block 10 in the sliding rail 8, so that the detection sensor arranged in the sensor mounting cavity 4 is clamped.
When the sensor for detection is used, firstly, the sensor for detection is placed into the sensor mounting cavity 4 from the inlet of the sensor mounting cavity 4, then, the abutting block 11 is pressed downwards, the sliding block 10 synchronously moves downwards in the sliding rail 8 distributed in the middle of the clamping long strip block 7, meanwhile, the two ends of the abutting block 11 move downwards in the inclined guide groove 12, so that the clamping long strip block 7 is abutted inwards on the sensor for detection, and the sensor for detection is clamped in the sensor mounting cavity 4.
The sensor buffer cushion block 23 is arranged in the sensor mounting cavity 4, the sensor buffer cushion block 23 is connected with the top inner wall of the sensor mounting cavity 4 into a whole through a spring, the sensor buffer cushion block 23 can buffer impact force between the sensor and the sensor mounting cavity 4, and meanwhile, the sensor buffer cushion block can be telescopically adapted to various sensors.
The protection gasket 24 is laid towards one side surface of the sensor installation cavity 4 of the clamping long strip block 7, the top of the protection gasket is installed on the outer side of the top wall of the opening 5 through the hinge 6, and the protection gasket 24 has the function of protecting the sensor for detection, so that the outer surface of the sensor is prevented from being damaged when the clamping long strip block 7 is clamped on the sensor.
The inclined guide groove 12 is arranged on the side wall of the opening 5 in an inward inclined manner from top to bottom, the sliding length of the inclined guide groove 12 is consistent with that of the sliding rail 8, and the effect of the sensor for clamping or loosening detection is achieved by sliding the abutting block 11 up and down in the inclined guide groove 12.
The joint of the base 3 and the handrail 2 is provided with a wedge block chute 13, a wedge block 14 is arranged in the wedge block chute 13 through a return spring 15 and is movably connected with an extrusion ball valve 16, the extrusion ball valve 16 is fixedly connected with an operation block 18 through a connecting shaft 17, both sides of the operation block 18 are provided with guide shafts 19, and the bottoms of the guide shafts 19 are connected with elastic pieces 21 arranged in inner cavities at both sides of a telescopic hole 20; the middle part of the lower surface of the base 3 is distributed with an inlet of the sensor installation cavity 4, two side edges of the inlet of the sensor installation cavity 4 are fixedly provided with magnetic attraction devices 22, and the telescopic holes 20 are arranged at positions between the magnetic attraction devices 22 and the inlet of the sensor installation cavity 4; when the sensor auxiliary device body 1 is moved, a user presses the wedge block 14 inwards, the wedge block 14 synchronously retracts into the wedge block chute 13, and the extrusion ball valve 16 can be extruded downwards due to the inclined surface of the wedge block 14, so that the operation block 18 fixedly connected with the extrusion ball valve 16 through the connecting shaft 17 can protrude out of the telescopic hole 20, the magnetic attraction device 22 is separated from the surface of the transformer, and the sensor auxiliary device body 1 is convenient to move.
The number of the operation blocks 18 is four, the structures of the four operation blocks 18 are identical, and the four operation blocks 18 are all arranged in the inner cavity of the telescopic hole 20 through the connecting shaft 17 and the extrusion ball valve 16.
The outside of wedge 14 is equipped with arc and presses the face 27, and arc presses face 27 and wedge 14 integrated into one piece, and the convenience of customers presses the use, and arc presses face 27 has the effect of protection hand.
Working principle: when the auxiliary device for the live detection of the transformer capable of being quickly installed is used, firstly, a detection sensor is placed into a sensor installation cavity 4 from the inlet of the sensor installation cavity 4, then, an abutting block 11 is pressed downwards, the abutting block 11 synchronously moves downwards in a sliding rail 8 distributed in the middle of a clamping long strip block 7 under the action of a sliding block 10, and meanwhile, two ends of the abutting block 11 move downwards in an inclined guide groove 12, so that the clamping long strip block 7 is internally abutted against the detection sensor, and the detection sensor is clamped in the sensor installation cavity 4; the sensor auxiliary device body 1 with the sensor for detection is adsorbed on the transformer through the magnetic attraction device 22 at the bottom for detection, and manual hand holding is not needed, so that the hands of a detector can be liberated, and the electrified detection work of the transformer can be carried out by only one person, thereby not only reducing the manpower expenditure, but also improving the working efficiency; when detecting that a place needs to change positions, a user presses the wedge block 14 inwards, the wedge block 14 synchronously retracts into the wedge block chute 13, and the extrusion ball valve 16 can be extruded downwards due to the inclined surface of the wedge block 14, so that the operation block 18 fixedly connected with the extrusion ball valve 16 through the connecting shaft 17 can protrude the telescopic hole 20, the function of separating the magnetic attraction device 22 from the surface of the transformer is achieved, and the sensor auxiliary device body 1 is convenient to move.
Notably, are: the whole device can realize the control of the device through the total control button, and because the equipment matched with the control button is common equipment, the device belongs to the existing technology, and the electrical connection relation and the specific circuit structure of the device are not repeated here.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The sensor auxiliary device for the live detection of the transformer capable of being rapidly installed is characterized by comprising a sensor auxiliary device body (1), wherein a sensor for detection is installed in a sensor installation cavity (4) arranged in the sensor auxiliary device body (1);
the sensor auxiliary device comprises a sensor auxiliary device body (1), a wedge block chute (13) is formed in the sensor auxiliary device body (1), a wedge block (14) is installed in the wedge block chute (13) through a return spring (15), the wedge block (14) is movably connected with an extrusion ball valve (16), the extrusion ball valve (16) is fixedly connected with an operation block (18) through a connecting shaft (17), guide shafts (19) are installed on two sides of the operation block (18), the bottom of the guide shaft (19) is connected with an elastic piece (21), the elastic piece (21) is installed in inner cavities on two sides of a telescopic hole (20) of a base (3) of the sensor auxiliary device body (1), and the position of the operation block (18) corresponds to the telescopic hole (20); the lower surface of the base (3) is fixedly provided with a magnetic attraction device (22) which is adsorbed on the surface of the transformer; the wedge block (14) is retracted into the wedge block chute (13) through pressing, the extrusion ball valve (16) is extruded downwards through the inclined plane of the wedge block (14), the operation block (18) is enabled to protrude out of the telescopic hole (20) to be in contact with the surface of the transformer, and the magnetic attraction device (22) is enabled to be separated from the surface of the transformer.
2. A rapidly installable sensor aid for live detection of transformers according to claim 1, characterized in that the sensor aid body (1) is further provided with an upper armrest (2), the sensor installation cavity (4) extending through the armrest (2) and the base (3);
one side of sensor installation cavity (4) is equipped with opening (5), installs chucking rectangular piece (7) through hinge (6) on the roof of opening (5), the middle part of chucking rectangular piece (7) distributes and has slide rail (8), vertical adjusting bolt (9) of installing in slide rail (8), slider (10) are established to movable sleeve on adjusting bolt (9), slider (10) and butt piece (11) integrated into one piece, the both ends slip joint of butt piece (11) is in embedded slant guide way (12) on opening (5) both sides lateral wall, and drives through the slip of slider (10) in slide rail (8) butt piece (11) synchronous slant slides in slant guide way (12), the sensor for detection of installation in chucking sensor installation cavity (4).
3. The quick-installable sensor assisting device for live detection of a transformer according to claim 2, wherein the wedge-shaped block chute (13) is provided at the junction of the base (3) and the armrest (2).
4. The sensor auxiliary device for live detection of the transformer capable of being installed rapidly according to claim 1, wherein the middle of the lower surface of the base (3) is provided with an inlet of a sensor installation cavity (4), magnetic attraction devices (22) are fixedly arranged on two side edges of the inlet of the sensor installation cavity (4), and the telescopic hole (20) is arranged at a position between the magnetic attraction devices (22) and the inlet of the sensor installation cavity (4).
5. The quick-installable sensor-assisted device for live detection of transformers according to claim 1 or 4, characterized in that the number of said operating blocks (18) is four, the four operating blocks (18) are identical in structure, and the four operating blocks (18) are all arranged in the telescopic hole (20) through the respective connecting shaft (17) and the squeeze ball valve (16).
6. The sensor auxiliary device for live detection of the rapidly-installed transformer according to claim 1, wherein a sensor buffer cushion block (23) is installed in the sensor installation cavity (4), and the sensor buffer cushion block (23) is connected with the top inner wall of the sensor installation cavity (4) into a whole through a spring.
7. A fast installable sensor aid for live detection of transformers according to claim 2, characterized in that the side surface of the clamping bar (7) facing the sensor installation cavity (4) is laid with a protective spacer (24), the top of which is mounted outside the top wall of the opening (5) by means of a hinge (6).
8. The quick-installable sensor assisting device for live detection of a transformer according to claim 2, wherein the oblique guide groove (12) is obliquely arranged inwards from top to bottom on the side wall of the opening (5), and the sliding length of the oblique guide groove (12) is consistent with the sliding length of the sliding rail (8).
9. The quick-installable sensor auxiliary device for live detection of transformers according to claim 2, characterized in that the adjusting bolt (9) is installed in the slide rail (8) through the installation column (25), and a nut (26) is sleeved on the adjusting bolt (9).
10. The quick-installable sensor auxiliary device for live detection of a transformer according to claim 1, wherein an arc-shaped pressing surface (27) is arranged outside the wedge-shaped block (14), and the arc-shaped pressing surface (27) and the wedge-shaped block (14) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453145.1A CN109342783B (en) | 2018-11-30 | 2018-11-30 | Transformer live detection sensor auxiliary device capable of being installed rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811453145.1A CN109342783B (en) | 2018-11-30 | 2018-11-30 | Transformer live detection sensor auxiliary device capable of being installed rapidly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109342783A CN109342783A (en) | 2019-02-15 |
| CN109342783B true CN109342783B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811453145.1A Active CN109342783B (en) | 2018-11-30 | 2018-11-30 | Transformer live detection sensor auxiliary device capable of being installed rapidly |
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| Country | Link |
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| CN (1) | CN109342783B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045585B (en) * | 2020-08-03 | 2022-03-29 | 广东电网有限责任公司 | Auxiliary installation device for partial discharge sensor of GIS (gas insulated switchgear) |
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| Publication number | Publication date |
|---|---|
| CN109342783A (en) | 2019-02-15 |
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