CN212365668U - Outdoor waterproof open-close type current transformer - Google Patents
Outdoor waterproof open-close type current transformer Download PDFInfo
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- CN212365668U CN212365668U CN202021345370.6U CN202021345370U CN212365668U CN 212365668 U CN212365668 U CN 212365668U CN 202021345370 U CN202021345370 U CN 202021345370U CN 212365668 U CN212365668 U CN 212365668U
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Abstract
The utility model provides an outdoor waterproof open-close type current transformer, includes casing and lower casing, and sets up internal last iron core and lower iron core of upper and lower casing, go up and connect through set screw between two tip of casing and two tip of casing down, go up two terminal surfaces of casing respectively with two terminal surface intercoupling of casing down, go up the iron core and form closed ring of wearing with iron core butt joint down, upward be equipped with the clamping mechanism who is used for fixed and spacing cable that awaits measuring on the casing, be equipped with the puncture mechanism who is used for getting voltage down on the casing. The utility model discloses an adjusting screw promotes clamp splice up-and-down motion, promotes the cable and removes and fix the cable to puncture spiral shell needle direction, and strong adaptability can match the cable of different thicknesses, is equipped with telescopic puncture spiral shell needle in the puncture mechanism, conveniently pierces the insulating layer of cable and obtains voltage signal, and the puncture spiral shell needle is difficult to be bent by the cable.
Description
Technical Field
The utility model relates to a current transformer especially relates to outdoor waterproof open-close type current transformer.
Background
The current transformer in the prior art generally comprises two sections of shells which are oppositely arranged up and down, wherein one section of iron core is respectively arranged in the two sections of shells, the two sections of iron cores are butted to form an annular iron core after the two sections of shells are buckled, and a cable passes through the annular iron core so as to test the cable. When voltage signals need to be acquired from the cable, the cable with the insulating layer needs to be powered in a traditional mode of peeling off the insulating layer, the power-taking mode is complex in operation and low in efficiency, the charged part is exposed in the air, the power utilization safety is seriously affected, and even the electric shock danger exists during operation. A waterproof type open-close type current transformer is disclosed in patent No. CN201920555263.7, but the product generally has the following defects: (1) the structure is comparatively complicated and be split type between each spare part, need a large amount of spare parts of dismouting when the installation of cooperation cable, consequently very easily causes losing of spare part, and the dismouting process is very complicated. And (2) due to different thicknesses of the cables, products on the market cannot be matched with the cables with different thicknesses, and the applicability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the problem that above-mentioned prior art exists, provide outdoor waterproof open-close type current transformer, strong adaptability can with the cable phase-match of different thicknesses.
The utility model provides a technical scheme that its technical problem adopted: this kind of outdoor waterproof open-close type current transformer, including last casing and lower casing, and set up respectively go up casing and the internal last iron core of inferior valve and lower iron core, go up and connect through set screw between two tip of casing and the two tip of casing down, two terminal surfaces of going up the casing respectively with two terminal surface intercoupling of casing down, go up the iron core and form closed ring, characterized by that of wearing with iron core butt joint down: the cable testing device is characterized in that a clamping mechanism for fixing and limiting a cable to be tested is arranged on the upper shell, a puncture mechanism for taking voltage is arranged on the lower shell, the clamping mechanism comprises an installation seat fixed on the surface of the upper shell, a first adjusting cylinder rod is arranged on the installation seat, a first adjusting hand wheel is arranged at the upper end of the first adjusting cylinder rod, a first annular boss is arranged at the lower end of the first adjusting cylinder rod, an annular groove matched with the first annular boss is formed in the inner wall of the installation seat, an adjusting nut is fixed at the lower end of the first adjusting cylinder rod, an adjusting screw rod is connected onto the adjusting nut in a threaded manner, a clamping block is fixed at the lower end of the adjusting screw rod, clamping hooks are arranged on two sides of the clamping block, sliding grooves extending along the axial direction and matched with the clamping hooks in a sliding manner are arranged on two sides of the inner wall of the installation seat, the, install the puncture spiral shell needle in the screw, puncture spiral shell needle lower extreme fixedly connected with second adjusting cylinder pole, second adjusting cylinder pole upper end is equipped with second annular boss, puncture seat bottom inner wall be equipped with along the axis direction extend and with the slip chamber of second annular boss slip adaptation, second adjusting cylinder pole lower extreme is connected with second adjusting hand wheel.
Through the technical scheme, rotate first adjusting cylinder pole through first adjusting hand wheel, first adjusting cylinder pole drives adjusting nut and rotates, because adjusting nut threaded connection has adjusting screw, and the trip of clamp splice both sides and the spout sliding connection of mount pad inner wall, adjusting screw promotes the clamp splice up-and-down motion, thereby promote the cable to the removal of puncture spiral shell needle direction and fix the cable, the cable is fixed the back, rotate second adjusting cylinder pole through second adjusting hand wheel, puncture spiral shell needle is rotated to second adjusting cylinder pole, puncture spiral shell needle stretches out the screw and pierces the insulating layer of cable under the screw thread effect and obtains voltage signal.
For further perfection, be provided with the screw mounting hole on two tip of going up the casing, set screw installs in the screw mounting hole, correspond on two tip of casing down the screw mounting hole is provided with the screw thread inserts, and the screw thread inserts is connected through the screw with set screw, the screw mounting hole comprises screwdriver through-hole, screwhead activity chamber and screw rod through-hole triplex from the top down, the diameter of screwdriver through-hole is less than the diameter in screwhead activity chamber, screwhead activity chamber and fixed screwhead cooperation sliding connection, the diameter of screw rod through-hole is less than the diameter in screwhead activity chamber.
Through the technical scheme, when the cable is installed in a matched mode, the screwdriver penetrates through the screwdriver through hole to unscrew the fixing screw, the diameter of the screwdriver through hole is smaller than that of the movable cavity of the screw head, the fixing screw can be stored in the movable cavity of the screw head after being screwed out of the thread insert, the fixing screw and other components are not prone to being lost, and the dismounting process is convenient.
Further perfect, be equipped with hexagon socket head cap hole on the terminal surface of first adjusting handle and second adjusting handle, conveniently cooperate hexagon socket head cap spanner to use, the side of first adjusting handle and second adjusting handle is provided with a plurality of circumference interval distribution's sand grip and recess from top to bottom respectively, can strengthen friction properties.
Further perfection, the coupling surface of the upper shell or the lower shell is provided with a waterproof sealing rubber gasket, waterproof rubber is filled between the upper shell and the lower shell as well as between the upper iron core and the lower iron core, the waterproof performance is good,
further perfect, the clamp splice downside is equipped with the concave arc face, is equipped with the shrinkage pool that increases frictional force on the concave arc face, fixed cable that can be better.
Further perfection, be equipped with the pin hole on the lower casing, pin hole external seal is fixed with waterproof connector. The lead wire penetrates into the waterproof connector to perform mutual inductance detection, so that water and moisture resistance are realized.
The utility model discloses profitable effect is: 1. the utility model discloses be equipped with the clamping mechanism who is used for fixing and spacing cable that awaits measuring on the upper housing, promote the clamp splice through adjusting screw rod and move from top to bottom, promote the cable to move and fix the cable to the puncture spiral shell needle direction, strong adaptability can match the cable of different thicknesses, and all have the anticreep design to adjusting screw rod and clamp splice, 2 be equipped with the puncture mechanism that is used for getting voltage on the lower housing, be equipped with telescopic puncture spiral shell needle on the puncture mechanism, conveniently pierce the insulating layer of cable and obtain voltage signal, puncture spiral shell needle is difficult to be buckled by the cable; 3. when the installation of cooperation cable, pass the screwdriver through-hole with the screwdriver and unscrew set screw, because the diameter of screwdriver through-hole is less than the diameter in screwhead activity chamber, set screw can leave screwhead activity chamber after unscrewing the thread inserts, is difficult to cause the losing of parts such as set screw, and the dismouting process is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front exploded view of the present invention;
FIG. 3 is a reverse side exploded view of the present invention;
FIG. 4 is a schematic structural view of the lancing mechanism;
FIG. 5 is an enlarged view of the screw receiving hole of FIG. 2;
FIG. 6 is a schematic view of the clamping mechanism;
description of reference numerals: 1. the upper shell, 11, the upper iron core, 12, a screw mounting hole, 121, a screwdriver through hole, 122, a screw head movable cavity, 123, a screw rod through hole, 13, a fixing screw, 2, the lower shell, 21, the lower iron core, 22, a thread insert, 3, a clamping mechanism, 31, a mounting seat, 311, an annular groove, 312, a sliding groove, 32, a first adjusting cylinder rod, 321, a first annular boss, 33, a first adjusting hand wheel, 34, an adjusting nut, 35, an adjusting screw, 36, a clamping block, 361, a clamping hook, 362, a concave arc surface, 363, a concave hole, 4, a puncture mechanism, 41, a puncture seat, 411, a screw hole, 412, a sliding cavity, 42, a puncture screw needle, 43, a second adjusting cylinder rod, 431, a second annular boss, 44, a second adjusting hand wheel, 5, a waterproof sealing gasket, 6, waterproof glue, 7 and a waterproof connector.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
with reference to the accompanying drawings: this embodiment outdoor waterproof open-close type current transformer, including last casing 1 and lower casing 2, and set up respectively go up casing 1 and the interior last iron core 11 of casing 2 down with iron core 21 down, go up and connect through set screw 13 between two tip of casing 1 and two tip of casing 2 down, two terminal surfaces of going up casing 1 respectively with two terminal surface intercoupling of casing 2 down, go up iron core 11 and the closed ring of wearing of iron core 21 butt joint formation down, characterized by: the cable puncture device is characterized in that a clamping mechanism 3 for fixing and limiting a cable to be tested is arranged on the upper shell 1, a puncture mechanism 4 for taking voltage is arranged on the lower shell 2, the clamping mechanism comprises an installation seat 31 fixed on the surface of the upper shell 1, a first adjusting cylinder rod 32 is arranged on the installation seat 31, a first adjusting hand wheel 33 is arranged at the upper end of the first adjusting cylinder rod 32, a first annular boss 321 is arranged at the lower end of the first adjusting cylinder rod 32, an annular groove 311 matched with the first annular boss 321 is arranged on the inner wall of the installation seat 31, an adjusting nut 34 is fixed at the lower end of the first adjusting cylinder rod 32, an adjusting screw 35 is in threaded connection with the adjusting nut 34, a clamping block 36 is fixed at the lower end of the adjusting screw 35, clamping hooks 361 are arranged on two sides of the clamping block 36, sliding grooves 312 extending along the axial direction and matched with the clamping hooks 361 in a sliding manner are arranged on two sides of the inner wall of the installation seat 31, the, be equipped with screw 411 on the puncture seat 41 up end, install puncture screw needle 42 in the screw 411, puncture screw needle 42 lower extreme fixedly connected with second adjusting cylinder pole 43, second adjusting cylinder pole 43 upper end is equipped with second annular boss 431, puncture seat 41 bottom inner wall be equipped with along the axis direction extend and with the sliding chamber 412 of second annular boss 431 sliding fit, second adjusting cylinder pole 43 lower extreme is connected with second adjusting hand wheel 44. Rotate first adjusting cylinder pole 32 through first adjusting hand wheel 33, first adjusting cylinder pole 32 drives adjusting nut 34 and rotates, because adjusting nut 34 threaded connection has adjusting screw 35, and trip 361 and the spout 312 sliding connection of mount pad 31 inner wall of clamp splice 36 both sides, adjusting screw 35 promotes clamp splice 36 up-and-down motion, thereby promote the cable to the removal of puncture spiral shell needle 42 direction and fix the cable, the cable is fixed the back, rotate second adjusting cylinder pole 43 through second adjusting hand wheel 44, second adjusting cylinder pole 43 rotates puncture spiral shell needle 42, puncture spiral shell needle 42 stretches out screw hole 411 under the screw thread effect and pierces the insulating layer of cable and obtains voltage signal.
The screw head structure is characterized in that two ends of the upper shell 1 are provided with screw mounting holes 12, fixing screws 13 are mounted in the screw mounting holes 12, two ends of the lower shell 2 correspond to the screw mounting holes 12 and are provided with threaded inserts 22, the threaded inserts 22 are connected with the fixing screws 13 through threads, each screw mounting hole 12 consists of a screwdriver through hole 121, a screw head movable cavity 122 and a screw rod through hole 123 from top to bottom, the diameter of the screwdriver through hole 121 is smaller than that of the screw head movable cavity 122, the screw head movable cavity 122 is in sliding connection with the heads of the fixing screws 13 in a matched mode, and the diameter of the screw rod through hole 123 is smaller than that of the screw head movable cavity 122. When the cable is installed, a screwdriver penetrates through the screwdriver through hole 121 to unscrew the fixing screw 13, and the diameter of the screwdriver through hole 121 is smaller than that of the screw head movable cavity 122, so that the fixing screw 13 can be stored in the screw head movable cavity 122 after being screwed out of the thread insert 22, the fixing screw 13 and other parts are not easy to lose, and the dismounting process is convenient.
Be equipped with hexagon socket on the terminal surface of first adjusting hand wheel 33 and second adjusting hand wheel 44, conveniently cooperate hexagon socket wrench to use, the side of first adjusting hand wheel 33 and second adjusting hand wheel 44 is provided with a plurality of circumference interval distribution's sand grip and recess from top to bottom respectively, can strengthen friction properties.
The coupling surface of the upper shell 1 or the lower shell 2 is provided with a waterproof sealing rubber mat 5, waterproof rubber 6 is filled between the upper shell 1 and the lower shell 2 and between the upper iron core 11 and the lower iron core 21, the waterproof performance is good,
the lower side of the clamping block 36 is provided with a concave arc surface 362, and a concave hole 363 for increasing friction force is arranged on the concave arc surface 362, so that the cable can be better fixed.
And a lead hole is formed in the lower shell 2, and a waterproof connector 7 is fixed outside the lead hole in a sealing manner. The lead wire penetrates through the waterproof connector 7 to perform mutual inductance detection, so that water resistance and moisture resistance are realized.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (6)
1. Outdoor waterproof open-close type current transformer, including last casing (1) and lower casing (2), and set up respectively go up last iron core (11) and lower iron core (21) in casing (2) down of casing (1), go up and connect through set screw (13) between two tip of casing (1) and casing (2) down, two terminal surfaces of going up casing (1) respectively with two terminal surface intercoupling of casing (2) down, go up iron core (11) and iron core (21) butt joint down and form closed ring, characterized by of wearing heart: the cable connector is characterized in that a clamping mechanism (3) used for fixing and limiting a cable to be tested is arranged on the upper shell (1), a puncture mechanism (4) used for taking voltage is arranged on the lower shell (2), the clamping mechanism comprises an installation seat (31) fixed on the surface of the upper shell (1), a first adjusting barrel rod (32) is arranged on the installation seat (31), a first adjusting hand wheel (33) is arranged at the upper end of the first adjusting barrel rod (32), a first annular boss (321) is arranged at the lower end of the first adjusting barrel rod (32), an annular groove (311) matched with the first annular boss (321) is arranged on the inner wall of the installation seat (31), an adjusting nut (34) is fixed at the lower end of the first adjusting barrel rod (32), an adjusting screw rod (35) is connected to the adjusting nut (34) through threads, a clamping block (36) is fixed at the lower end of the adjusting screw rod (35), clamping blocks (361) are arranged on two sides, mount pad (31) inner wall both sides be equipped with along the axis direction extend and with spout (312) of trip (361) slip adaptation, puncture mechanism (4) are equipped with screw (411) including puncture seat (41) that are fixed in last casing (1) surface on puncture seat (41) up end, install puncture screw needle (42) in screw (411), puncture screw needle (42) lower extreme fixedly connected with second adjusting cylinder pole (43), second adjusting cylinder pole (43) upper end is equipped with second annular boss (431), puncture seat (41) bottom inner wall be equipped with along the axis direction extend and with sliding chamber (412) of second annular boss (431) slip adaptation, second adjusting cylinder pole (43) lower extreme is connected with second adjusting hand wheel (44).
2. The outdoor waterproof open-close type current transformer according to claim 1, characterized in that: go up and be provided with screw mounting hole (12) on two tip of casing (1), set screw (13) are installed in screw mounting hole (12), correspond on two tip of casing (2) down screw mounting hole (12) are provided with screw insert (22), and screw insert (22) are connected through the screw with set screw (13), screw mounting hole (12) are by screwdriver through-hole (121), screwhead activity chamber (122) and screw rod through-hole (123) triplex from the top down, the diameter of screwdriver through-hole (121) is less than the diameter of screwhead activity chamber (122), screwhead activity chamber (122) and set screw (13) head cooperation sliding connection, the diameter of screw rod through-hole (123) is less than the diameter of screwhead activity chamber (122).
3. The outdoor waterproof open-close type current transformer according to claim 1, characterized in that: the end faces of the first adjusting hand wheel (33) and the second adjusting hand wheel (44) are provided with hexagon socket holes, and the side faces of the first adjusting hand wheel (33) and the second adjusting hand wheel (44) are respectively provided with a plurality of convex strips and grooves which are distributed at intervals in the circumferential direction from top to bottom.
4. The outdoor waterproof open-close type current transformer according to claim 1, characterized in that: the waterproof sealing rubber mat is characterized in that a waterproof sealing rubber mat (5) is arranged on the coupling surface of the upper shell (1) or the lower shell (2), and waterproof rubber (6) is filled between the upper shell (1) and the lower shell (2) and between the upper iron core (11) and the lower iron core (21).
5. The outdoor waterproof open-close type current transformer according to claim 1, characterized in that: the lower side of the clamping block (36) is provided with a concave arc surface (362), and the concave arc surface (362) is provided with a concave hole (363) for increasing friction force.
6. The outdoor waterproof open-close type current transformer according to claim 1, characterized in that: and a lead hole is formed in the lower shell (2), and a waterproof connector (7) is fixed outside the lead hole in a sealing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021345370.6U CN212365668U (en) | 2020-07-08 | 2020-07-08 | Outdoor waterproof open-close type current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021345370.6U CN212365668U (en) | 2020-07-08 | 2020-07-08 | Outdoor waterproof open-close type current transformer |
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| Publication Number | Publication Date |
|---|---|
| CN212365668U true CN212365668U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021345370.6U Active CN212365668U (en) | 2020-07-08 | 2020-07-08 | Outdoor waterproof open-close type current transformer |
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| CN (1) | CN212365668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161957A (en) * | 2021-05-19 | 2021-07-23 | 凤凰电力有限公司 | Cable fixing clamp |
| CN116381286A (en) * | 2023-03-28 | 2023-07-04 | 江苏屹洋电力设备有限公司 | Portable electricity consumption monitoring devices |
-
2020
- 2020-07-08 CN CN202021345370.6U patent/CN212365668U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161957A (en) * | 2021-05-19 | 2021-07-23 | 凤凰电力有限公司 | Cable fixing clamp |
| CN113161957B (en) * | 2021-05-19 | 2023-11-17 | 凤凰电力有限公司 | Cable fixing clamp |
| CN116381286A (en) * | 2023-03-28 | 2023-07-04 | 江苏屹洋电力设备有限公司 | Portable electricity consumption monitoring devices |
| CN116381286B (en) * | 2023-03-28 | 2023-11-07 | 江苏屹洋电力设备有限公司 | Portable electricity consumption monitoring devices |
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