CN212780973U - Detection device for eliminating induced voltage and convenient for adjusting detection range - Google Patents
Detection device for eliminating induced voltage and convenient for adjusting detection range Download PDFInfo
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- CN212780973U CN212780973U CN202021738368.5U CN202021738368U CN212780973U CN 212780973 U CN212780973 U CN 212780973U CN 202021738368 U CN202021738368 U CN 202021738368U CN 212780973 U CN212780973 U CN 212780973U
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- induced voltage
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 abstract description 6
- 230000008030 elimination Effects 0.000 abstract description 4
- 238000003379 elimination reaction Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a detection device for induced voltage elimination convenient to adjust detection range, including main tank body, motor and case lid, the power converter is installed to the main tank body lower extreme, and the power converter passes through wire and spliced pole interconnect to the spliced pole internal fixation has first spring, first mounting bracket and second mounting bracket pass through column axle and limiting plate interconnect, and the limiting plate passes through torque spring and is connected in first mounting bracket and second mounting bracket interconnect respectively, the case lid passes through column axle and main tank body interconnect. This detection device is used in induced voltage elimination convenient to adjust detection range adopts convenient to detach's fixed knot to construct and carries out fixed mounting to cable and metal pole, is convenient for change different conductors produced induced voltage's under this cable size, comes the induced voltage's of different regions in the produced magnetic field scope of detection cable size through the position of adjustment metal pole, is convenient for insert corresponding resistance according to measured data and eliminates induced voltage.
Description
Technical Field
The utility model relates to an induced voltage technical field specifically is a detection device is used in induced voltage elimination convenient to adjust detection range.
Background
The induced voltage is a voltage generated by electromagnetic induction, and is a voltage generated by electromagnetic induction, wherein when a current passes through a conductor, a magnetic field is formed around the conductor, the size of the magnetic field is in direct proportion to the current, if another conductor is placed in the magnetic field, the conductor is influenced by the magnetic field to generate the induced voltage, and the induced voltage can cause injury to people when a loop is formed.
Along with the high-speed development of society, the shop of power cable is also wider and wider, half of power transmission adopts high altitude to erect and bury formula dual mode, and the cable that erects at high altitude is mostly naked transposition cable, form strong magnetic field easily around it, cause the harm to external personnel easily, so need detect the magnetic field scope that the transposition cable produced, thereby provide data reference when erectting at high altitude, avoid the emergence of potential safety hazard, and eliminate produced induced voltage through modes such as external resistance, and current induced voltage detection device has simple structure, inconvenient fixed and inconvenient adjustment detection range scheduling problem, so need improve traditional induced voltage detection device to above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an induced voltage eliminates and uses detection device convenient to adjust detection range to propose simple structure in solving above-mentioned background art, inconvenient fixed and inconvenient adjustment detection range's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a detection device for eliminating induction voltage and convenient for adjusting detection range comprises a main box body, a motor and a box cover, wherein the lower end of the main box body is provided with a power converter, the power converter is connected with a connecting column through a lead, a first spring is fixed in the connecting column, a metal support is fixed at the tail end of the first spring, a cable is arranged on the metal support, the metal support is arranged on a lower insulating plate, a lower insulating plate is connected with the connecting column, a lower insulating plate is fixed on the main box body, a guide pillar is fixed on the lower insulating plate and connected with an upper insulating plate, the upper insulating plate is connected with a first lead screw, a bearing at the tail end of the first lead screw is fixed on the lower insulating plate, the motor is fixed on the outer side of the main box body through bolts, a driving bevel gear is fixed at the tail end of a motor output shaft, and the driving, driven bevel gear fixes on the second lead screw simultaneously, be fixed with the stopper on the second lead screw, and the terminal bearing of second lead screw fixes on the main tank body to second lead screw and first mounting bracket interconnect are provided with the metal pole simultaneously in the first mounting bracket, be connected with the detection device body on the metal pole, and the metal pole end sets up in the second mounting bracket to second mounting bracket and main tank body interconnect, all be fixed with insulating rubber pad in first mounting bracket and the second mounting bracket simultaneously, first mounting bracket and second mounting bracket pass through cylindrical axle and limiting plate interconnect, and the limiting plate passes through torsion spring and is connected respectively in first mounting bracket and second mounting bracket interconnect, the case lid passes through cylindrical axle and main tank body interconnect.
Preferably, the metal support and the connecting column form an elastic structure through the first spring, and the metal support is of an arc-shaped structure.
Preferably, the lower insulating plate is in sliding connection with the upper insulating plate through the guide post, and the upper insulating plate is in threaded connection with the first screw rod.
Preferably, the driving bevel gear is in meshed connection with the driven bevel gear, and only one quarter of gear teeth are arranged on the driving bevel gear.
Preferably, be sliding connection between second mounting bracket and the first mounting bracket and the main tank body, and the second mounting bracket is terminal for "T" type structure to first mounting bracket is "ten" style of calligraphy structure.
Preferably, the limiting plate constitutes slewing mechanism in first mounting bracket and second mounting bracket respectively through the column axle, and the limiting plate passes through torsion spring and constitutes elastic mechanism in first mounting bracket and second mounting bracket respectively.
Compared with the prior art, the beneficial effects of the utility model are that: this detection device is used in induced voltage elimination convenient to adjust detection range adopts convenient to detach's fixed knot to construct and carries out fixed mounting to cable and metal pole, is convenient for change different conductors produced induced voltage's under this cable size, comes the induced voltage's of different regions in the produced magnetic field scope of detection cable size through the position of adjustment metal pole, is convenient for insert corresponding resistance according to measured data and eliminates induced voltage.
1. The two ends of the cable are placed on the metal support, the first screw rod is rotated, the upper insulating plate is made to stably move downwards under the action of the guide pillar and the lower insulating plate until the upper insulating plate and the lower insulating plate lock the cable, and therefore the cable is installed and fixed.
2. The motor drives the output shaft to rotate, and the first mounting frame and the second mounting frame are driven to move under the action of the driving bevel gear, the driven bevel gear and the second screw rod, so that the metal rod is driven to move, and the size of the induced voltage generated in different areas is convenient to detect.
Drawings
FIG. 1 is a schematic view of the front sectional structure of the main box body of the present invention;
FIG. 2 is a schematic view of the top-view cross-sectional structure of the main body of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the lower insulating plate of the present invention;
fig. 4 is a schematic view of the top view structure of the drive bevel gear of the present invention;
fig. 5 is a schematic top view of the first mounting frame of the present invention;
fig. 6 is a schematic side view of the first mounting frame of the present invention.
In the figure: 1. a main box body; 2. a power converter; 3. a wire; 4. connecting columns; 5. a first spring; 6. a metal bracket; 7. a cable; 8. a lower insulating plate; 9. a guide post; 10. an upper insulating plate; 11. a first lead screw; 12. a motor; 13. a drive bevel gear; 14. a driven bevel gear; 15. a second lead screw; 16. a limiting block; 17. a first mounting bracket; 18. a metal rod; 19. a detection device body; 20. a second mounting bracket; 21. an insulating rubber pad; 22. a limiting plate; 23. a torsion spring; 24. and a box cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a detection device for eliminating induced voltage and facilitating adjustment of detection range comprises a main box body 1, a power converter 2, a lead 3, a connecting column 4, a first spring 5, a metal support 6, a cable 7, a lower insulation plate 8, a guide column 9, an upper insulation plate 10, a first lead screw 11, a motor 12, a driving bevel gear 13, a driven bevel gear 14, a second lead screw 15, a limiting block 16, a first mounting frame 17, a metal rod 18, a detection device body 19, a second mounting frame 20, an insulation rubber pad 21, a limiting plate 22, a torsion spring 23 and a box cover 24, wherein the power converter 2 is installed at the lower end of the main box body 1, the power converter 2 is connected with the connecting column 4 through the lead 3, the first spring 5 is fixed in the connecting column 4, the metal support 6 is fixed at the tail end of the first spring 5, the cable 7 is arranged on the metal support 6, and the metal support 6 is arranged on the lower, and the lower insulation board 8 is connected with the connecting column 4, the lower insulation board 8 is fixed on the main box body 1, the guide post 9 is fixed on the lower insulation board 8, the guide post 9 is connected with the upper insulation board 10, the upper insulation board 10 is connected with the first lead screw 11, the end bearing of the first lead screw 11 is fixed on the lower insulation board 8, the motor 12 is fixed on the outer side of the main box body 1 by bolt, the end of the output shaft of the motor 12 is fixed with the driving bevel gear 13, the driving bevel gear 13 is connected with the driven bevel gear 14, the driven bevel gear 14 is fixed on the second lead screw 15, the second lead screw 15 is fixed with the limiting block 16, the end bearing of the second lead screw 15 is fixed on the main box body 1, the second lead screw 15 is connected with the first mounting frame 17, the first mounting frame 17 is provided with the metal rod 18, the metal rod 18 is connected with the, and the end of metal pole 18 sets up in second mounting bracket 20 to second mounting bracket 20 and main tank 1 interconnect, all be fixed with insulating rubber pad 21 in first mounting bracket 17 and the second mounting bracket 20 simultaneously, first mounting bracket 17 and second mounting bracket 20 are through column axle and limiting plate 22 interconnect, and limiting plate 22 passes through torsion spring 23 and interconnects in first mounting bracket 17 and second mounting bracket 20 respectively, and case lid 24 passes through column axle and main tank 1 interconnect.
The lower insulating plate 8 is in sliding connection with the upper insulating plate 10 through the guide post 9, the upper insulating plate 10 is in threaded connection with the first screw rod 11, and it is guaranteed that the upper insulating plate 10 can stably move downwards under the action of the guide post 9 and the first screw rod 11 by rotating the first screw rod 11, so that the cable 7 is fixed.
The driving bevel gear 13 is in meshed connection with the driven bevel gear 14, and only one quarter of gear teeth are arranged on the driving bevel gear 13, so that the metal rod 18 can stay in different areas for a period of time, and the accuracy of detection data is guaranteed.
Be sliding connection between second mounting bracket 20 and first mounting bracket 17 and the main tank body 1, and second mounting bracket 20 is terminal to be "T" type structure to first mounting bracket 17 is "ten" style of calligraphy structure, guarantees under the effect of second lead screw 15, and second mounting bracket 20 and first mounting bracket 17 can drive metal pole 18 and stabilize the removal.
Limiting plate 22 constitutes slewing mechanism in first mounting bracket 17 and second mounting bracket 20 respectively through the column axle, and limiting plate 22 constitutes elastic mechanism in first mounting bracket 17 and second mounting bracket 20 respectively through torsion spring 23, place metal pole 18 in first mounting bracket 17 and second mounting bracket 20 through upset limiting plate 22, and insulating rubber pad 21 in first mounting bracket 17 and the second mounting bracket 20 realizes simply fixing metal pole 18, prevent metal pole 18 roll, loosen upset limiting plate 22 at last, the recovery normal position extrudees fixedly metal pole 18 under torsion spring 23's effect.
The working principle is as follows: when the device is used, firstly, a section of complete cable 7 is taken, two ends of the cable 7 are placed on the metal support 6, the upper insulating plate 10 is driven to slide downwards along the guide post 9 by rotating the first screw rod 11, so that the cable 7 is extruded, the cable 7 extrudes the metal support 6 to compress the first spring 5 until the fixing of the cable 7 is completed, the first spring 5 has the function of preventing the integrity of the cable 7 from being damaged under the action of the upper insulating plate 10 to cause detection data errors, as shown in fig. 3, after the cable 7 is fixed, the detection device body 19 is fixed on the metal rod 18, the limiting plate 22 is rotated, two ends of the metal rod 18 are respectively placed on the first mounting frame 17 and the second mounting frame 20, the metal rod 18 is simply fixed and prevented from skidding by the insulating rubber pads 21 in the first mounting frame 17 and the second mounting frame 20, the limiting plate 22 is loosened, the limiting plate 22 is restored under the action of the torsion spring 23, the metal rod 18 is extruded and fixed, so that the metal rod 18 is prevented from rolling in the moving process;
after the cable 7 and the metal rod 18 are installed, the box cover 24 is closed, the main box body 1 is electrified, the magnitude of output current is adjusted by controlling the power converter 2, the motor 12 is electrified after the magnitude of the current is adjusted, the motor 12 drives the output shaft to rotate, so that the driving bevel gear 13 is driven to rotate, the first mounting frame 17 is driven to slide on the main box body 1 through the transmission action of the driven bevel gear 14 and the second screw rod 15, so that the position of the metal rod 18 is adjusted, the magnitude of induced voltage generated in different areas around the cable 7 is detected, after the detection is finished, the metal rod 18 is restored to the original position through controlling the rotation direction of the motor 12, the magnitude of the output current is adjusted again, the detection is carried out again according to the principle, so that the magnitude of induced current generated in different areas under different currents can be detected, and the induced voltage can be eliminated through matching with resistors with different resistance values in the later period, this is the operating principle of the detection device for eliminating induced voltage, which facilitates adjustment of the detection range.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an induced voltage eliminates and uses detection device convenient to adjust detection range, includes main tank body (1), motor (12) and case lid (24), its characterized in that: the transformer is characterized in that the lower end of the main box body (1) is provided with the transformer (2), the transformer (2) is connected with the connecting column (4) through a lead (3), the connecting column (4) is internally fixed with a first spring (5), the tail end of the first spring (5) is fixed with a metal support (6), the metal support (6) is provided with a cable (7), the metal support (6) is arranged on a lower insulating plate (8), the lower insulating plate (8) is connected with the connecting column (4), the lower insulating plate (8) is fixed on the main box body (1), the lower insulating plate (8) is fixed with a guide post (9), the guide post (9) is connected with an upper insulating plate (10), the upper insulating plate (10) is connected with a first lead screw (11), the tail end bearing of the first lead screw (11) is fixed on the lower insulating plate (8), and the motor (12) is fixed on the outer side of the main box body (1) through bolts, and the tail end of an output shaft of the motor (12) is fixed with a driving bevel gear (13), the driving bevel gear (13) is connected with a driven bevel gear (14), the driven bevel gear (14) is fixed on a second screw rod (15), a limiting block (16) is fixed on the second screw rod (15), a bearing at the tail end of the second screw rod (15) is fixed on the main box body (1), the second screw rod (15) is connected with a first mounting frame (17), a metal rod (18) is arranged in the first mounting frame (17), a detection device body (19) is connected onto the metal rod (18), the tail end of the metal rod (18) is arranged in the second mounting frame (20), the second mounting frame (20) is connected with the main box body (1), insulating rubber gaskets (21) are fixed in the first mounting frame (17) and the second mounting frame (20), the first mounting frame (17) and the second mounting frame (20) are connected with the limiting block (22) through columnar shafts And the limiting plate (22) is connected with the first mounting frame (17) and the second mounting frame (20) through a torsion spring (23), and the box cover (24) is connected with the main box body (1) through a cylindrical shaft.
2. The detecting device for eliminating induced voltage according to claim 1, wherein the detecting device comprises: the metal support (6) and the connecting column (4) form an elastic structure through the first spring (5), and the metal support (6) is of an arc-shaped structure.
3. The detecting device for eliminating induced voltage according to claim 1, wherein the detecting device comprises: the lower insulating plate (8) is in sliding connection with the upper insulating plate (10) through the guide post (9), and the upper insulating plate (10) is in threaded connection with the first screw rod (11).
4. The detecting device for eliminating induced voltage according to claim 1, wherein the detecting device comprises: the driving bevel gear (13) is in meshed connection with the driven bevel gear (14), and only one quarter of gear teeth are arranged on the driving bevel gear (13).
5. The detecting device for eliminating induced voltage according to claim 1, wherein the detecting device comprises: be sliding connection between second mounting bracket (20) and first mounting bracket (17) and main tank body (1), and second mounting bracket (20) end is "T" type structure to first mounting bracket (17) are "ten" style of calligraphy structure.
6. The detecting device for eliminating induced voltage according to claim 1, wherein the detecting device comprises: limiting plate (22) constitute slewing mechanism in first mounting bracket (17) and second mounting bracket (20) respectively through the column axle, and limiting plate (22) constitute elastic mechanism in first mounting bracket (17) and second mounting bracket (20) respectively through torsion spring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021738368.5U CN212780973U (en) | 2020-08-19 | 2020-08-19 | Detection device for eliminating induced voltage and convenient for adjusting detection range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021738368.5U CN212780973U (en) | 2020-08-19 | 2020-08-19 | Detection device for eliminating induced voltage and convenient for adjusting detection range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212780973U true CN212780973U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021738368.5U Expired - Fee Related CN212780973U (en) | 2020-08-19 | 2020-08-19 | Detection device for eliminating induced voltage and convenient for adjusting detection range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212780973U (en) |
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2020
- 2020-08-19 CN CN202021738368.5U patent/CN212780973U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |