CN210803574U - High-voltage electroscope for power equipment maintenance - Google Patents
High-voltage electroscope for power equipment maintenance Download PDFInfo
- Publication number
- CN210803574U CN210803574U CN201921208199.1U CN201921208199U CN210803574U CN 210803574 U CN210803574 U CN 210803574U CN 201921208199 U CN201921208199 U CN 201921208199U CN 210803574 U CN210803574 U CN 210803574U
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- Prior art keywords
- electrode
- contact electrode
- electroscope
- cutting ferrule
- voltage electroscope
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- 238000012423 maintenance Methods 0.000 title description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 24
- 229910052782 aluminium Inorganic materials 0.000 claims description 24
- 239000004411 aluminium Substances 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 7
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 239000004020 conductor Substances 0.000 abstract description 8
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000005684 electric field Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a circuit detection technical field just discloses a power equipment overhauls and uses high-voltage electroscope, including handle, cutting ferrule, contact electrode, self-checking switch, insulating cover, the cutting ferrule is installed on the top of handle, and contact electrode installs on the top of cutting ferrule, and self-checking switch installs on the cutting ferrule, and insulating cover is installed on the handle, install the positioning seat on the cutting ferrule, the internal rotation of positioning seat is connected with the locating lever, install first electrode on the locating lever. Through the cooperation between first electrode and the wire for high-voltage electroscope can be with contact electrode and the contact of testee maximize as far as possible when test circuit or equipment, make on equipment or the circuit current transmission to the electroscope, make contact electrode's area increase, the electric current homoenergetic of each part is transmitted to the electroscope through first electrode and contact electrode on, make contact electrode when using simultaneously, reduce and stretch into the inside probability of split conductor, thereby increase the sensitivity of electroscope when the test.
Description
Technical Field
The utility model relates to a circuit detects technical field, specifically is a power equipment overhauls uses high-voltage electroscope.
Background
The GD series high-voltage electroscope is suitable for testing 220V-500V, 6KV, 10KV, 35KV, 110KV, 220KV and 500KV alternating current transmission and distribution lines and equipment, can test correctly and reliably no matter in daytime or at night, on indoor substation stations or outdoor overhead lines, and is a necessary safety appliance for electric power systems and electric departments of industrial and mining enterprises.
Along with the development of the power system in China, high-voltage power grids are more and more, the high-voltage electroscope is used as a necessary safety tool for high-voltage maintenance, the demand of the high-voltage electroscope is increased day by day, the working principle of the existing high-voltage electroscope is shown in figure 5, a worker holds the high-voltage electroscope by hand, and contacts the tested electric equipment by using a contact of the electroscope, if the electric equipment has voltage, the other end of the high-voltage electroscope generates physical reaction to judge whether the equipment is electrified or not by the sound or light of a diode, and in the detection process of the high-voltage electroscope, because the area of an electric conductor of the equipment is large or because the humidity around the electric conductor is large and the like, the electric field distribution on the surface of the electric conductor and the electric field around the conductor is similar to the electric field distribution of a uniform electrified plane, the electric field is a uniform electric field, when, its axial potential gradient is little, the electric current that flows through earth capacitance is little, lead to the working circuit can not start, electroscope can not send out the sound, optical indication, whether lead to the staff can't learn equipment or circuit to have the electricity, and in order to increase electroscope's sensitivity among the prior art, can increase the length of electrode, contact electrode overlength, the operation of touching in-process is more difficult, and contact electrode is very easily stretched into inside the split conductor, play the effect that increases contact electrode, further reduce high-voltage electroscope's sensitivity, influence the normal test of circuit, increase the hidden danger of circuit when the test.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned background art, the utility model provides a power equipment overhauls uses high-voltage electroscope possesses high sensitivity, fast, the safe advantage of test, has solved the problem that the background art provided.
The utility model provides a following technical scheme: a high-voltage electroscope for overhauling electric power equipment comprises a handle, a cutting sleeve, a contact electrode, a self-checking switch and an insulating sleeve, wherein the cutting sleeve is arranged at the top end of the handle, the contact electrode is arranged at the top end of the cutting sleeve, the self-checking switch is arranged on the cutting sleeve, the insulating sleeve is arranged on the handle, the cutting sleeve is provided with a positioning seat, the inside of the positioning seat is rotatably connected with a positioning rod, the positioning rod is provided with a first electrode, the first electrode and the contact electrode are coiled with leads, the tail end of the contact electrode is connected with a limiting seat, a limiting rod is rotationally connected in the limiting seat, an aluminum strip is arranged on the limiting rod, a PCB is arranged in the clamping sleeve, the PCB is laid with a circuit, the outer wall of the aluminum strip is connected with the end part of the circuit in a sliding way, the tail end of the circuit is electrically connected with a cable, and the end part of the cable is electrically connected with a voltage-controlled horn.
Preferably, one end of the positioning rod penetrates through and extends to the outside of the positioning seat and is provided with a thread, the positioning rod is in threaded connection with a nut located outside the positioning seat, and the diameter of the nut is larger than that of the joint of the positioning rod and the positioning seat.
Preferably, the first electrode is sleeved with a first magnetic sleeve, the contact electrode is sleeved with a second magnetic sleeve, the diameters of the first magnetic sleeve and the second magnetic sleeve are respectively equal to the diameters of the first electrode and the contact electrode, and the first magnetic sleeve and the second magnetic sleeve are made of carbon steel magnets.
Preferably, the inner wall of the aluminum strip is connected with an insulating block, the side of the insulating block is fixedly connected with a baffle, the side of the baffle is fixedly connected with a spring, the side of the baffle is fixedly connected with a fixing rod, and the end of the fixing rod extends to the inside of the spring.
The utility model discloses possess following beneficial effect:
1. this high-voltage electroscope is used in power equipment overhauls, cooperation between through first electrode and wire, make high-voltage electroscope when test circuit or equipment, can be with the contact of contact electrode with the measured object maximize as far as possible, make on equipment or the circuit current transmission to electroscope, make contact electrode's area increase, the electric current homoenergetic of each part is on transmitting to electroscope through first electrode and contact electrode, make contact electrode when using simultaneously, reduce and stretch into the inside probability of split conductor, thereby increase the sensitivity of electroscope when the test.
2. This high-voltage electroscope is used in power equipment overhauls, cooperation through between first magnetic sleeve and the second magnetic sleeve, make contact electrode and first electrode when test equipment, increase the area of contact between electrode and the equipment as far as, make electric current on the equipment fast transmission to electroscope on, simultaneously through the cooperation between aluminium strip and the circuit, when making on the electroscope have the electric current, the aluminium strip is strutted the contact line to both sides by the same electric charge, constitute electric power return circuit, with current transmission to voltage-controlled loudspeaker on, remind the tester, thereby increase the security of electroscope when using.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a circuit during inspection;
FIG. 3 is an enlarged schematic view of an aluminum bar;
FIG. 4 is a schematic structural diagram of the positioning seat;
fig. 5 is a schematic structural diagram of a conventional electroscope.
In the figure: 1. a grip; 2. a card sleeve; 3. a contact electrode; 4. a self-checking switch; 5. an insulating sleeve; 6. positioning seats; 7. positioning a rod; 8. a first electrode; 9. a nut; 10. a first magnetic sleeve; 11. a wire; 12. a second magnetic sleeve; 13. a limiting seat; 14. a limiting rod; 15. aluminum strips; 16. a PCB board; 17. a line; 18. a cable; 19. a pressure-controlled horn; 20. an insulating block; 21. a baffle plate; 22. a spring.
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. 1-4, a high-voltage electroscope for power equipment maintenance comprises a handle 1, a cutting sleeve 2, a contact electrode 3, a self-checking switch 4 and an insulating sleeve 5, wherein the cutting sleeve 2 is installed at the top end of the handle 1, the contact electrode 3 is installed at the top end of the cutting sleeve 2, the self-checking switch 4 is installed on the cutting sleeve 2, the insulating sleeve 5 is installed on the handle 1, a positioning seat 6 is installed on the cutting sleeve 2, a positioning rod 7 is rotatably connected inside the positioning seat 6, the positioning seat and the positioning rod 7 are made of insulating materials to increase the stability of the electroscope in use, a first electrode 8 is installed on the positioning rod 7, a lead 11 is coiled on the first electrode 8 and the contact electrode 3, the length of the lead 11 can be controlled by user, the main function is to transmit the charge attached to the contact electrode 3 on the first electrode 8, the tail end of the contact electrode, spacing seat 13 internal rotation is connected with gag lever post 14, and spacing seat 13 and gag lever post 14 are electrically conductive material for electric charge on the contact electrode 3 can transmit to aluminium strip 15 fast on, make aluminium strip 15 can strut different angles, the more big by the transmitted electric current, the angle that aluminium strip 15 struts is big, install aluminium strip 15 on the gag lever post 14, the internally mounted of cutting ferrule 2 has PCB board 16, PCB board 16 upper berth is equipped with circuit 17, and PCB board 16, circuit 17 and voltage-controlled loudspeaker 19's setting is prior art, and the electricity between is also prior art, the outer wall of aluminium strip 15 and the tip sliding connection of circuit 17, the terminal electricity of circuit 17 is connected with cable 18, the tip electricity of cable 18 is connected with voltage-controlled loudspeaker 19, and when aluminium strip 15 and circuit 17 contact, communicates between PCB board 16, circuit 17, cable 18 and the voltage-controlled loudspeaker 19.
Wherein, the one end of locating lever 7 runs through and extends to the outside of positioning seat 6 and set up the screw thread, threaded connection has the nut 9 that is located the outside of positioning seat 6 on the locating lever 7, the diameter of nut 9 is greater than the diameter that locating lever 7 and positioning seat 6 meet, make first electrode 8 can rotate different angles, make first electrode 8 can increase or reduce and contact electrode 3 between the distance, make the electroscope when the test, can be fast and the testee between take place the contact, when testing large-scale equipment simultaneously, can concentrate the electric current on contact electrode 3, make the electroscope trigger fast, reduce the trouble of electroscope in use, thereby increase the security of electroscope in use, make the electroscope can accurately measure whether the circuit contains the electricity.
Wherein, the cover is equipped with first magnetic sleeve 10 on the first electrode 8, the cover is equipped with second magnetic sleeve 12 on the contact electrode 3, the diameter of first magnetic sleeve 10 and second magnetic sleeve 12 equals with the diameter of first electrode 8 and contact electrode 3 respectively, the material of first magnetic sleeve 10 and second magnetic sleeve 12 is carbon steel magnet for first electrode 8 and contact electrode 3 can adsorb on equipment, increase the area of contact between electrode and the equipment, make the electric current on the equipment pass through electrode transmission to aluminium strip 15 on, simultaneously through three electrode, make the electric current concentrate together fast, increase the intensity of electric current when the transmission, thereby improve the agility of electroscope when starting.
Wherein, the inner wall of aluminium strip 15 is connected with collets 20, the side fixedly connected with baffle 21 of collets 20, the side fixedly connected with spring 22 of baffle 21, the side fixedly connected with dead lever of baffle 21, the tip of dead lever extend to the inside of spring 22 for aluminium strip 15 atress can not rock to the inboard, makes aluminium strip 15 in use can not remove to both sides simultaneously, increases electroscope in use's stability, through the effect of spring 22, makes aluminium strip 15 can only strut to both sides when electrified.
The theory of operation, the handheld handle 1 of staff, the flexible electroscope of length according to the testee, then straighten the electroscope, contact electrode 3 and first electrode 8 contact testee with, charge transmission to spacing seat 13 and aluminium strip 15 on the testee, aluminium strip 15 is strutted to both sides by subsidiary the same electric charge, struts the in-process again, on the outer wall of aluminium strip 15 contacted circuit 17 on the PCB board 16 gradually, then circuit 17 intercommunication, the circular telegram of voltage-controlled loudspeaker 19 reminds operating personnel the testee whether electrified.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (4)
1. The utility model provides a power equipment overhauls uses high-voltage electroscope, includes handle (1), cutting ferrule (2), contact electrode (3), self-checking switch (4), insulating cover (5), and the top at handle (1) is installed in cutting ferrule (2), and the top at cutting ferrule (2) is installed in contact electrode (3), and self-checking switch (4) are installed on cutting ferrule (2), and its characterized in that is installed on handle (1) in insulating cover (5): install positioning seat (6) on cutting ferrule (2), the inside rotation of positioning seat (6) is connected with locating lever (7), install first electrode (8) on locating lever (7), first electrode (8) and contact electrode (3) are gone up to roll up and have been connect wire (11), the end-to-end connection of contact electrode (3) has spacing seat (13), spacing seat (13) internal rotation is connected with gag lever post (14), install aluminium strip (15) on gag lever post (14), the internally mounted of cutting ferrule (2) has PCB board (16), PCB board (16) upper berth is equipped with circuit (17), the outer wall of aluminium strip (15) and the tip sliding connection of circuit (17), the terminal electricity of circuit (17) is connected with cable (18), the tip electricity of cable (18) is connected with voltage-controlled loudspeaker (19).
2. The high-voltage electroscope for overhauling electric power equipment according to claim 1, wherein the high-voltage electroscope comprises: one end of the positioning rod (7) penetrates through and extends to the outside of the positioning seat (6) and is provided with a thread, a nut (9) located on the outside of the positioning seat (6) is connected to the positioning rod (7) through the thread, and the diameter of the nut (9) is larger than that of the joint of the positioning rod (7) and the positioning seat (6).
3. The high-voltage electroscope for overhauling electric power equipment according to claim 1, wherein the high-voltage electroscope comprises: the electrode structure is characterized in that a first magnetic sleeve (10) is sleeved on the first electrode (8), a second magnetic sleeve (12) is sleeved on the contact electrode (3), the diameters of the first magnetic sleeve (10) and the second magnetic sleeve (12) are respectively equal to the diameters of the first electrode (8) and the contact electrode (3), and the first magnetic sleeve (10) and the second magnetic sleeve (12) are made of carbon steel magnets.
4. The high-voltage electroscope for overhauling electric power equipment according to claim 1, wherein the high-voltage electroscope comprises: the inner wall of aluminium strip (15) is connected with collets (20), side fixedly connected with baffle (21) of collets (20), side fixedly connected with spring (22) of baffle (21), the side fixedly connected with dead lever of baffle (21), the tip of dead lever extends to the inside of spring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208199.1U CN210803574U (en) | 2019-07-30 | 2019-07-30 | High-voltage electroscope for power equipment maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208199.1U CN210803574U (en) | 2019-07-30 | 2019-07-30 | High-voltage electroscope for power equipment maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210803574U true CN210803574U (en) | 2020-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921208199.1U Withdrawn - After Issue CN210803574U (en) | 2019-07-30 | 2019-07-30 | High-voltage electroscope for power equipment maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210803574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376423A (en) * | 2019-07-30 | 2019-10-25 | 国网河南省电力公司商丘供电公司 | A kind of electric power apparatus examination high voltage electroscope |
-
2019
- 2019-07-30 CN CN201921208199.1U patent/CN210803574U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376423A (en) * | 2019-07-30 | 2019-10-25 | 国网河南省电力公司商丘供电公司 | A kind of electric power apparatus examination high voltage electroscope |
| CN110376423B (en) * | 2019-07-30 | 2024-05-17 | 国网河南省电力公司商丘供电公司 | High-voltage electroscope for power equipment maintenance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200619 Effective date of abandoning: 20240517 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200619 Effective date of abandoning: 20240517 |