CN210015778U - Open type current transformer convenient to install - Google Patents
Open type current transformer convenient to install Download PDFInfo
- Publication number
- CN210015778U CN210015778U CN201920916040.9U CN201920916040U CN210015778U CN 210015778 U CN210015778 U CN 210015778U CN 201920916040 U CN201920916040 U CN 201920916040U CN 210015778 U CN210015778 U CN 210015778U
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- iron core
- shell
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000004804 winding Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses an open type current transformer convenient to install, wherein a first iron core is U-shaped and is fixedly arranged in a first shell, two end parts of the first iron core respectively penetrate out of the first shell, the first winding coil is wound on the outer side of the first iron core, the paired first conductive seats are fixedly arranged on the first shell, two end parts of the first winding coil are respectively and electrically connected with the paired first conductive seats, the second iron core is U-shaped and is fixedly arranged in the second shell, two end parts of the second iron core respectively penetrate out of the second shell, two end parts of the second iron core are respectively contacted with two end parts of the first iron core, paired second winding coil is around putting in the second iron core outside, electrically conductive seat of paired second and mated wiring double-screw bolt fixed mounting respectively is on the second casing, the utility model discloses the advantage is: the working efficiency of electric power operations such as electric power overhaul or test is effectively improved.
Description
Technical Field
The utility model relates to an electric power metering instrument's technical field, more specifically say so and relate to current transformer's technical field.
Background
A current transformer is an electrical device which converts a primary current with a large value into a secondary current with a small value through a certain transformation ratio according to the principle of electromagnetic induction so as to perform protection or measurement. When using current transformer to carry out electric power operations such as electric power maintenance or experiment, often need with current transformer fixed mounting on the wiring frame in the switch board to wear to establish in current transformer with the cable that needs the measurement. However, when the current common current transformer is installed, a mounting hole needs to be formed in the wiring rack in the power distribution cabinet in advance, and then the current transformer is fixedly installed on the wiring rack through bolts and nuts, so that the operation is very troublesome, and time and labor are wasted. In addition, the current common current transformer multi-closed structure is adopted, so that when the cable is arranged in the current transformer in a penetrating mode, one end of the cable is required to be detached from a wiring terminal in a power distribution cabinet, the cable can penetrate through the current transformer, operation is very complicated, workload of operators is increased, and working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple to operate is swift in order to solve above-mentioned not enough, labour saving and time saving, and the cable of being convenient for very wears to establish can improve the open type current transformer of being convenient for installation of electric power operation work efficiency.
The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:
an open type current transformer convenient to install comprises a first shell, a first iron core, a first winding coil, a second shell, a second iron core, a pair of second winding coils, a pair of wiring studs, a pair of first conductive seats, a pair of second conductive seats, a screw rod, a support and a clamping mechanism, wherein the first iron core is U-shaped, the first iron core is fixedly installed in the first shell, two end parts of the first iron core respectively penetrate out of the first shell, the first winding coil is wound on the outer side of the first iron core, the pair of first conductive seats are fixedly installed on the first shell, two end parts of the first winding coil are respectively and electrically connected with the pair of first conductive seats, the second iron core is U-shaped, the second iron core is fixedly installed in the second shell, two end parts of the second iron core respectively penetrate out of the second shell, two end parts of the second iron core are respectively contacted with two end parts of the first iron core, the paired second winding coils are wound outside the second iron core, the paired second conductive seats and the paired wiring studs are respectively and fixedly installed on the second shell, two end parts of the paired second winding coils are respectively and electrically connected with the paired second conductive seats and the paired wiring studs, the paired first conductive seats are respectively provided with a plug connector, the paired second conductive seats are respectively provided with a plug hole, the plug holes of the paired second conductive seats are respectively provided with a splayed pressing plate, the plug connectors are inserted in the plug holes and are contacted with the pressing plates, the support is provided with a chute, the bottoms of the first shell and the second shell are respectively provided with a sliding seat, the sliding seats are respectively provided with a first screw hole, the first shell and the second shell are respectively and movably clamped in the chute of the support through the sliding seats, the screw rod is rotatably and movably installed in the chute of the support, the screw rod is respectively provided with external threads with opposite rotation directions, the screw rod is arranged in a first screw hole of a sliding seat on the first shell and the second shell in a rotating way through the external threads with opposite rotation directions, one end part of the screw rod penetrates out of the support, the end part of the screw rod is provided with a first knob head, the clamping mechanism comprises a base, a pair of clamping plates, a worm and a worm wheel, the base is fixedly arranged at the bottom of the support, an avoiding groove and a pair of guide grooves are formed in the base, the worm wheel is provided with a pair of pivots, the worm wheel is movably arranged in the avoiding groove of the base through the pair of pivots, the worm is rotatably and movably arranged in the avoiding groove of the base, the worm is meshed with the worm wheel, one end part of the worm penetrates out of the base, the end part of the worm is provided with a second knob head, the cross sections of the pair of clamping plates are respectively in a J shape, and the pair of clamping plates are respectively and movably clamped in the pair, the paired clamp plates are respectively provided with a second screw hole, and the paired pivot shafts are respectively provided with a screw rod which is respectively screwed in the second screw holes.
The base is also provided with a limit groove, and the paired clamp plates are respectively provided with a limit block which is movably clamped in the limit groove.
The utility model adopts the beneficial effect that above-mentioned technical solution can reach is: can drive mated splint opposite displacement through rotating the second knob head to through mated splint with this current transformer fixed clamp install on the wiring frame in the switch board, thereby make this current transformer's installation operation become very convenient and fast, labour saving and time saving. Can drive first casing and second casing through rotating first knob head and open and shut to can wear to establish the cable between first casing and second casing fast, effectively improve the work efficiency of electric power operations such as electric power overhaul or experiment.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a left side view schematic diagram of the present invention in fig. 1;
FIG. 3 is a bottom cross-sectional view of the clamping mechanism of FIG. 2;
fig. 4 is a partially enlarged schematic view of a portion a of fig. 1.
Detailed Description
As shown in fig. 1 and 2, the open type current transformer convenient to mount includes a first housing 1, a first iron core 2, a first winding coil 3, a second housing 4, a second iron core 5, a pair of second winding coils 6, a pair of connection studs 7, a pair of first conductive seats 8, a pair of second conductive seats 9, a lead screw 10, a support 11 and a clamping mechanism, wherein the first iron core 2 is U-shaped, the first iron core 2 is fixedly mounted in the first housing 1, two end portions of the first iron core 2 respectively penetrate out of the first housing 1, the first winding coil 3 is wound outside the first iron core 2, the pair of first conductive seats 8 are fixedly mounted on the first housing 1, and two end portions of the first winding coil 3 are respectively electrically connected with the pair of first conductive seats 8. The second iron core 5 is U-shaped, the second iron core 5 is fixedly installed in the second shell 4, two end portions of the second iron core 5 penetrate out of the second shell 4 respectively, two end portions of the second iron core 5 are in contact with two end portions of the first iron core 2 respectively, the paired second winding coils 6 are wound on the outer side of the second iron core 5, the paired second conductive bases 9 and the paired wiring studs 7 are fixedly installed on the second shell 4 respectively, and two end portions of the paired second winding coils 6 are electrically connected with the paired second conductive bases 9 and the paired wiring studs 7 respectively. As shown in fig. 4, the paired first conductive seats 8 are respectively provided with a plug 12, the paired second conductive seats 9 are respectively provided with a plug hole 13, the plug holes 13 of the paired second conductive seats 9 are respectively provided with a splayed pressing plate 14, and the plug 12 is inserted into the plug hole 13 and contacts with the pressing plate 14. The screw rod 10 is rotatably and movably installed in the sliding groove 15 of the support 11, external threads 18 with opposite rotation directions are respectively arranged on the screw rod 10, the screw rod 10 is rotatably and movably installed in the first screw hole 17 of the sliding seat 16 on the first shell 1 and the second shell 4 through the external threads 18 with the opposite rotation directions, one end part of the screw rod 10 penetrates out of the support 11, and a first knob head 19 is arranged on the end part of the screw rod 10. As shown in fig. 3, the clamping mechanism includes a base 20, a pair of clamping plates 21, a worm 22 and a worm wheel 23, the base 20 is fixedly installed at the bottom of the support 11, an avoiding groove 24 and a pair of guide grooves 25 are formed in the base 20, a pair of pivots 26 are arranged on the worm wheel 23, the worm wheel 23 is movably installed in the avoiding groove 24 of the base 20 through the pair of pivots 26, the worm 22 is rotatably and movably installed in the avoiding groove 24 of the base 20, the worm 22 is meshed with the worm wheel 23, one end of the worm 22 penetrates out of the base 20, and a second knob head 27 is arranged at the end of the worm 22. The cross sections of the paired clamp plates 21 are respectively in a J shape, the paired clamp plates 21 are respectively movably clamped in the paired guide grooves 25, the paired clamp plates 21 are respectively provided with a second screw hole 28, the paired pivot shafts 26 are respectively provided with a screw 29, the screw 29 is respectively screwed in the second screw holes 28, the base 20 is also provided with a limit groove 30, the paired clamp plates 21 are respectively provided with a limit block 31, and the limit blocks 31 are respectively movably clamped in the limit grooves 30.
This open type current transformer convenient to installation when using, can drive mated splint 21 opposite displacement through rotating second knob head 27 to through mated splint 21 with this current transformer fixed clamp install on the wiring frame in the switch board, can drive first casing 1 and second casing 4 through rotating first knob head 19 and open and shut, so that wear to establish the cable between first casing 1 and second casing 4, can carry out the electricity with measuring equipment such as this current transformer and ampere meters through mated wiring double-screw bolt 7 and be connected.
Claims (2)
1. Open type current transformer convenient to installation, its characterized in that: the transformer comprises a first shell, a first iron core, a first winding coil, a second shell, a second iron core, a paired second winding coil, a paired wiring stud, a paired first conductive seat, a paired second conductive seat, a lead screw, a support and a clamping mechanism, wherein the first iron core is U-shaped, the first iron core is fixedly arranged in the first shell, two end parts of the first iron core respectively penetrate out of the first shell, the first winding coil is wound outside the first iron core, the paired first conductive seat is fixedly arranged on the first shell, two end parts of the first winding coil are respectively and electrically connected with the paired first conductive seats, the second iron core is U-shaped, the second iron core is fixedly arranged in the second shell, two end parts of the second iron core respectively penetrate out of the second shell, two end parts of the second iron core are respectively contacted with two end parts of the first iron core, the paired second winding coil is wound outside the second iron core, the paired second conductive seats and the paired wiring studs are respectively and fixedly arranged on the second shell, two end parts of the paired second winding coils are respectively and electrically connected with the paired second conductive seats and the paired wiring studs, the paired first conductive seats are respectively provided with a plug connector, the paired second conductive seats are respectively provided with a plug hole, the plug holes of the paired second conductive seats are respectively provided with a splayed pressing plate, the plug connectors are inserted in the plug holes and are contacted with the pressing plates, the supports are provided with sliding grooves, the bottoms of the first shell and the second shell are respectively provided with a sliding seat, the sliding seats are respectively provided with a first screw hole, the first shell and the second shell are respectively and movably clamped in the sliding grooves of the supports through the sliding seats, the screw rod is rotatably and movably arranged in the sliding grooves of the supports, and the screw rod is respectively provided with external threads with opposite rotation directions, the screw rod is arranged in a first screw hole of a sliding seat on the first shell and the second shell in a rotating way through external threads with opposite rotating directions, one end part of the screw rod penetrates out of the support, a first knob head is arranged on the end part of the screw rod, the clamping mechanism comprises a base, paired clamping plates, a worm and a worm wheel, the base is fixedly arranged at the bottom of the support, an avoiding groove and paired guide grooves are formed in the base, paired pivots are arranged on the worm wheel, the worm wheel is movably arranged in the avoiding groove of the base through the paired pivots, the worm is rotatably and movably arranged in the avoiding groove of the base, the worm is meshed with the worm wheel, one end part of the worm penetrates out of the base, a second knob head is arranged on the end part of the worm, the cross sections of the paired clamping plates are respectively J-shaped, and the paired clamping plates are respectively and movably clamped in the paired guide grooves, the paired clamp plates are respectively provided with a second screw hole, and the paired pivot shafts are respectively provided with a screw rod which is respectively screwed in the second screw holes.
2. The open-ended current transformer of claim 1, wherein: the base is also provided with a limit groove, and the paired clamp plates are respectively provided with a limit block which is movably clamped in the limit groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920916040.9U CN210015778U (en) | 2019-06-18 | 2019-06-18 | Open type current transformer convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920916040.9U CN210015778U (en) | 2019-06-18 | 2019-06-18 | Open type current transformer convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210015778U true CN210015778U (en) | 2020-02-04 |
Family
ID=69319146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920916040.9U Expired - Fee Related CN210015778U (en) | 2019-06-18 | 2019-06-18 | Open type current transformer convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210015778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113436854A (en) * | 2021-07-22 | 2021-09-24 | 安徽黑鹭信息科技有限公司 | Module assembling type electronic transformer |
-
2019
- 2019-06-18 CN CN201920916040.9U patent/CN210015778U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113436854A (en) * | 2021-07-22 | 2021-09-24 | 安徽黑鹭信息科技有限公司 | Module assembling type electronic transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200204 Termination date: 20200618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |