CN102222559B - Split current mutual inductor - Google Patents
Split current mutual inductor Download PDFInfo
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- CN102222559B CN102222559B CN 201010154770 CN201010154770A CN102222559B CN 102222559 B CN102222559 B CN 102222559B CN 201010154770 CN201010154770 CN 201010154770 CN 201010154770 A CN201010154770 A CN 201010154770A CN 102222559 B CN102222559 B CN 102222559B
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- inductor assembly
- current transformer
- rotary hook
- type current
- split type
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Abstract
The invention provides a split current mutual inductor. The split current mutual inductor comprises a first inductor component and a second inductor component which are connected through a detachable combined module, wherein the detachable combined module comprises a detachable rotating module which is arranged at a corresponding first-side junction of the first inductor component and the second inductor component and a locking module which is arranged at a corresponding second-side locking position of the first inductor component and the second inductor component.
Description
Technical field
The present invention relates to a kind of current transformer, relate in particular to the Split type current transformer that a kind of inductive component adopts detachable combining structure.
Background technology
Current transformer is widely used among the various fields as the transducer of current measurement instrument, existing current transformer adopts open type and closed type structure usually, wherein existing open type instrument transformer is compared with traditional closed type instrument transformer, it uses step more convenient, the elementary bus that need not cut off the power supply and dismantle just can the Site Detection signal source, improves frequency, reduce running cost, therefore extensively be subjected to the high praise of all trades and professions.
Common existing open type current transformer adopts the head retractable structure to make, the electric wire any part that detects from needs for the convenience of the users snaps in, therefore can directly be fastened and respond to the detection operation at the electric wire of needs measurement, yet along with this technology by extending in the every field progressively, the people that has gradually finds to have some defectives on the structure of traditional open type current transformer, because traditional open type current transformer, usually adopt the dual U-shaped iron core to form magnetic loop, therefore usually adopt the fixing rotary fastening structure of an end between the first U-iron core and the second U-iron core, to snap in electric wire by the rotation opening thus in use, and close up the dual U-shaped iron core and form magnetic loop, realize what current detecting was responded to, therefore clamp the thicker electric wire of detection and when fastening whole U-iron core composition magnetic loop when such current transformer, will certainly produce detected electric wire because of the clamped reaction force that produces, and this reaction force exactly be applied in this fixedly on the round end, therefore be very easy to damage this position, cause current transformer to use, in a single day and when causing this damage, can not place under repair to change parts, therefore in the time can't repairing the damage of position, place, to have to change whole current transformer, for having brought many inconvenience, the user also improved the application risk of product, for the user has brought higher use and maintenance cost.
Summary of the invention
A kind of Split type current transformer that main purpose of the present invention provides, it has detachable combining structure, therefore when the detection electric wire carries out clamp operation, the reaction force that produces when effectively discrete electrical wires is clamped is so that the link of this open type current transformer is not easy damage, improve the reliability of product, reduced the damage probability of current transformer.
Another main purpose of the present invention provides a kind of Split type current transformer, it has detachable combining structure, therefore when arbitrary parts damages of this current transformer, can reach the repairing purpose by changing the damage parts, need not to change whole open type current transformer, save the maintain and replace cost, be conducive to the user and use for a long time, increased the useful life of current transformer.
Another main purpose of the present invention provides a kind of Split type current transformer, it has detachable combining structure, therefore less demanding for site environment and the facility of examinations, can be by utilizing the separation compound mode to enter in the narrow space, for testing brings great convenience in extremely complicated circuit environment.
Another main purpose of the present invention provides a kind of Split type current transformer, it has detachable combining structure, and its housing adopts fastening structure to connect combination, therefore need not the additional retaining elements such as screw and nut, so that this current transformer body weight is lighter, be easy to carry, and demolition and maintenance.
Another main purpose of the present invention provides a kind of Split type current transformer, it has detachable combining structure, it does not have complicated technique to make requirement, with high manufacturing cost, and the assembling product process is comparatively convenient, be conducive to improve the production efficiency of manufacturing enterprise, reduced production cost.
In order to achieve the above object, a kind of Split type current transformer provided by the invention, it comprises: one first inductor assembly, one second inductive component, adopt detachable composite module to connect between it, wherein said detachable composite module has: a detachable rotary module, it is arranged on corresponding the first side junction on described the first inductive component and described the second inductive component, one locking module, it is arranged on corresponding the second side lock place on described the first inductive component and described the second inductive component.
Description of drawings
Fig. 1 is the assembly figure of Split type current transformer of the present invention.
Fig. 2 is the local part schematic diagram of Split type current transformer of the present invention.
Fig. 3 is the use view of Split type current transformer of the present invention.
Fig. 4 A is the upper encloser half sectional view of Split type current transformer of the present invention.
Fig. 4 B be Split type current transformer of the present invention the rotary hook partial enlarged drawing.
Fig. 5 is the second inductive component half sectional view of Split type current transformer of the present invention.
Fig. 6 is the upper encloser vertical view of Split type current transformer of the present invention.
Fig. 7 is the lower encioser vertical view of Split type current transformer of the present invention.
Fig. 8 is the magnetic strength assembled figure of Split type current transformer of the present invention.
Fig. 9 is the use view of Split type current transformer of the present invention.
Figure 10 is the use view of Split type current transformer of the present invention.
Embodiment
See also Fig. 1-10 and be a kind of better embodiment of Split type current transformer of the present invention, it comprises: one first inductor assembly 1, one second inductive component 2, adopt detachable composite module 3 to connect between it, wherein said detachable composite module has: a detachable rotary module 31, it is arranged on corresponding the first side junction R on described the first inductive component 1 and described the second inductive component 2, one locking module 32, it is arranged on corresponding the second side lock place L on described the first inductive component 1 and described the second inductive component 2.
Wherein said the first inductor assembly 1 comprises: a upper encloser 11, and one side opening, and its inside has a cavity, and accommodate one first core 12, wherein this first core 12 is and does not seal U-shaped.
Wherein said upper encloser 11 tops have a pair of follow block 111, these follow block 111 enantiomorphisms are arranged on the direction of both ends of the left and right sides, described upper encloser 11 top, and entity is separated by between this a pair of follow block 111, described each follow block 111 3 sides are the hollow out state, and has a preset angles to this upper encloser 11 inner inclination, and has certain elasticity, the first core 12 is moved by a small margin upper encloser 11 interior can works, its objective is when end, two ends face height negative common difference appears in the first core 12 or the second core 232, can well allow the first core 12 and the second core 232 nearly zero clearances cooperate, thereby guarantee the precision of measurement.Have some locating convex blocks 1122 on these upper encloser 11 inner chamber body walls simultaneously, wherein this locating convex block 1122 is fixed this first core 12 in these upper encloser 11 inside for the location, and be tilted to these upper encloser 11 inside by this each follow block 111 and prop up this first core 12, add the strong fix fixed effect, prevent that the first core 12 from coming off.
All be simultaneously the arch under shed on this upper encloser 11 the 3rd side and the 4th side body, wrapping up in described the first core 12 that does not seal U-shaped with correspondence.
Wherein said the second inductor assembly 2 comprises: a core cap 22, one magnetic strength assemblies 23, one lower enciosers 24, and wherein said lower encioser 24 tops have an opening, and its inside has a cavity can hold described magnetic strength assembly 23 section within it.
Wherein said magnetic strength assembly 23 comprises: a coil cap 231, be respectively equipped with a snap ring 2311 around it, and its top is provided with a coil around platform 2312, and both sides respectively are provided with a baffle-wall 2313, in case the principal vertical line circle is deviate from this coil around platform 2312,
One second core, 232 its shapes and the first core 12 are similar, and its opening part snaps between a pair of snap ring 2311 of this coil cap 231, and its two end terminal blocks mutually with these baffle-wall 2313 homonymies, and it is that material is made that wherein said the first core 232 and the second core 12 adopt ferrites,
One pedestal 233,, its top has a core platform 2333, and to carry this second core 232 bottoms, these core platform 2333 both sides are respectively established one and are hindered limit 2334, and these resistance limit 2334 relative these baffle-wall 2313 directions are different, so that being formed all around, this second core locates,
This pedestal 233 respectively is provided with a fixing feet 2331 around it, and this fixing feet 2331 has a preset height, each fixing feet place respectively is provided with a grab 2332 corresponding with these snap ring 2311 positions so that formation is clasped relatively simultaneously, this coil cap 231 and this pedestal 233 are formed when being buckled to fix, make this second core 232 that is located between them can be equally by clamping, thereby can make this coil 235 be around in this coil around the bottom periphery of platform 2312 and this pedestal 233, form circle and live this coil cap 231, the second core 232, the form of pedestal 233, thereby prepare for producing electromagnetic induction, this pedestal 233 is connected with corresponding position on this circuit board 234 by its each fixing feet 2331 simultaneously, wherein distance can satisfy the winding of coil 235 between this fixing feet 2331 and this circuit board 234, be electrically connected by wire between this coil 235 and this circuit board 234 simultaneously
Four limits respectively are provided with a location groove 2341 on this circuit board 234 in addition, and these circuit board 234 belows are connected with the number of a delivering a letter wire.
These lower encioser 24 inner chamber body walls are provided with the positioning convex strip 241 that the detent 2341 on each and the described circuit board 234 is complementary, in order to locate firm this magnetic strength assembly 23 within it in section's cavity by this circuit board 234, and emit the number of delivering a letter wire on the circuit board 234 that is contained in its inside cavity by the perforate 242 that these lower encioser 24 bottoms are provided with.
Wherein said lower encioser 24 top open parts are covered with described core cap 22, wherein said core cap 22 the one the second sides respectively have a core mouth 221, so that corresponding described the second core 232 opening parts two ends penetrate, be simultaneously a gradual change indent arch between the described core mouth 221 in these both sides, a so that and pass mouth of the 3rd side formation corresponding to the arch of the under shed of the 4th side measured zone 4 of this upper encloser 11, this core cap the three or four side respectively is provided with a pair of fastener 222 in addition, this each fastener 222 matches with each fastener 242 of the cavity inner wall corresponding position that is located at this lower encioser 24, thereby described core cap 22 is covered on this lower encioser 24.
Wherein said detachable rotary module 31 comprises: a rotary hook 311, it is arranged on the bottom of the first side of upper encloser 11, be coupler body opening upwards form, wherein said rotary hook employing has elastomeric material makes, and makes such as plastics, resin, rubber and composite material thereof.
One swing frame 312, it is arranged on the top of these lower encioser 24 first sides, be the fit structure corresponding with this rotary hook 311, it comprises: at least one pair of transition supporting section 3122, extend on its top by lower encioser 24 first sides, at least one pair of supporting section 3123, and it is extended upward by this transition supporting section 3122, one rotating shaft 3121, it is located between this a pair of supporting section 3123.
Wherein this rotary hook 311 also comprises: a changeover portion 3113, its bottom by upper encloser 11 first sides extend one section and form with these transition supporting section 3122 respective distances.
One protruding resistance 3111, it is arranged on this rotary hook 311 near position, gib head place, it is one pre-conditioned that the location of this position has, this condition is, ring is formed with a circular trace B in these rotary hook 311 coupler bodies, this circular trace B diameter is and can cooperates shape with these rotating shaft 3121 rotations, simultaneously on the track of this circular trace B, near this gib head direction place this protruding resistance 3111 is set, the track that can continue this circular trace B protrudes one section predeterminable range, this distance is, this protruding resistance 3111 and this changeover portion 3113 distance at interval between on the orbital position of this circular trace B is slightly less than this rotating shaft diameter on this swing frame 312.
Can drive thus upper encloser 11 after in this rotating shaft 3121 on these rotary hook 311 hooks produces rotation with lower encioser 24 and cooperates function, and stop by this protruding resistance 3111, can prevent effectively that this rotary hook 311 breaks away from this rotating shaft 3121, and when needs break away from the rotation cooperation, only need make this rotating shaft 3121 extrude distance between this protruding resistance 3111 and this changeover portion 3113, can form separation configuration, this rotary hook 311 and this swing frame 312 form rotating shafts part that is connected thus, be described the first inductive component 1 with described the second inductive component 2 on corresponding the first side junction R.
It comprises wherein said locking module 32: a locking key 321, and it is located at the second side L bottom of this upper encloser 11, and one is extended.
One buckling piece 322, itself and this locking key 321 latch-up structures are to carrying out mutual snap lock effect, it is positioned at this lower encioser 24 second side L tops, one is extended, this locking key 321 complements each other to form the locking part with this buckling piece 322 thus, is corresponding the second side lock place L on described the first inductive component 1 and described the second inductive component 2.
Provide when being rotatably connected for described upper encloser 11 and lower encioser 24 when described detachable rotary module 31 thus, when described locking module 32 provides locking to be connected for described upper encloser 11 and lower encioser 24, this first core 12 and this second core 232 mutually corresponding last face in two ends are that electromagnetic induction is prepared with formation magnetic loop bonded to each other, form time utmost point induction coil by this coil 235 on this second core 232 simultaneously, thereby form the electromagnetic induction detected state, afterwards by being connected between this time utmost point induction coil and this circuit board 234, transmit detection signal and to this circuit board 234, carry out the signal conversion, ready for being sent to external equipment.
Thus in the detection line process, can open this locking module 32, and rely on detachable rotary module 31 to be rotated motion so that upper encloser 11 forms the rotating folding state with lower encioser 24, forming thus the rotation opening makes detection line can enter this surveyed area 4 between upper encloser 11 and the lower encioser 24, furthermore be exactly enter upper encloser 11 and lower encioser 24 inner between corresponding the first core 12 and the second core 232 that holds, afterwards by rotating closed this first inductive component and this second inductive component 2, and rely on this locking module 32 to lock, form thus the wireline inspection operating state.
And its another kind of operator scheme is, this first detection components 1 and these the second detection components 2 separated attitudes, when determining detection line, this each inspection side assembly is distinguished the entry-line surveyed area separately, and around around the need detection line, form the wireline inspection operating state by instant assembling simultaneously, and after having detected circuit, can make each detection components be separated from each other and release surveyed area, namely around the detected circuit, to satisfy the demand in different testing environments zone.
Its concrete operation step comprises:
A. the first detection components 1 and the second detection components 2 are trapped among around the detected circuit with released state;
B. the first detection components 1 is rotated by separable rotary module 31 with the first side R of the second detection components 2 and is connected;
C. detected link tester the second side L opening of crossing the first detection components 1 and the second detection components 2 enters this surveyed area 4;
D. the first detection components 1 locks by locking module 32 with the second side L of the second detection components 2 and is connected, and axially closed-loop is around detected circuit;
E. detect complete after, open this locking module 32;
F. this separable rotary module 31 of rotation forms opening at these locking module 32 places;
Detected circuit is deviate from by this opening;
Basis detecting step from the above mentioned also has following another implementation step simultaneously:
A. the first detection components 1 and the second detection components 2 are trapped among around the detected circuit with released state;
B. the first detection components 1 is rotated by separable rotary module 31 with the first side R of the second detection components 2 and is connected;
C. detected link tester the second side L opening of crossing the first detection components 1 and the second detection components 2 enters this surveyed area 4;
D. the first detection components 1 locks by locking module 32 with the second side L of the second detection components 2 and is connected, and axially closed-loop is around detected circuit;
E. detect complete after, open this locking module 32;
H. this separable rotary module 31 of rotation is to predeterminated position;
I. separate this rotary hook 311 and this swing frame 312;
J. make the first detection components 1 and the second detection components 2 form separation configuration, and withdraw from around the detected circuit.
Wherein the predeterminated position among the process H is, the rotation angle is not more than 90 degree between the first side R face of the first side R face of the first detection components 1 and the second detection components 2.
Wherein pass through this protruding resistance 3111 on the extruding rotary hook 311 among the process I, enlarge protruding resistance 3111 and the spacing of this changeover portion 3113 on circular trace B track, make this swing frame 312 deviate from this rotary hook 311.
In sum, personnel that are engaged in this technical field can recognize, show as shown with in the foregoing description, and this working of an invention mode only is mode preferably, rather than confined intentionally.
Therefore, belong in the scope and spirit of the present invention, can easily be obtained from the disclosure by those skilled in the art, all favourable modifications all are included as other embodiment of the present invention.Therefore, scope of the present invention is only limited by claims.
Claims (9)
1. a Split type current transformer is characterized in that, comprising:
One first inductor assembly, this first inductor assembly further comprises a upper encloser;
One second inductor assembly, this second inductor assembly further comprises a lower encioser; With
One detachable composite module, this detachable composite module connects respectively this first inductor assembly and this second inductor assembly, wherein, this detachable composite module further comprises a separable rotary module, it is arranged on this first inductor assembly and corresponding the first side junction of this second inductor assembly, this separation rotary module has a rotary hook and a swing frame, this rotary hook is arranged on the bottom of the first side of this upper encloser of this first inductor assembly, this swing frame is arranged on the top of the first side of the lower encioser of this second inductor assembly, be the fit structure corresponding with this rotary hook, be connected on this swing frame for this rotary hook turn buckle, thereby so that this first inductor assembly is rotatably opened with this second inductor assembly and/or closure, wherein, this upper encloser top has a pair of follow block, this follow block enantiomorphism is arranged on this left and right sides, upper encloser top direction of both ends, and entity is separated by between this a pair of follow block, described respectively these follow block three sides are the hollow out state, and to this upper encloser inner inclination.
2. Split type current transformer as claimed in claim 1 is characterized in that, wherein this rotary hook further comprises a changeover portion, and this changeover portion is extended and formed by the bottom of this upper encloser the first side,
One protruding resistance, this protruding resistance is arranged on described rotary hook near position, gib head place, wherein, when this rotary hook snaps onto this swing frame, for this first inductor assembly rotation, stop by this protruding resistance, prevent that effectively this rotary hook breaks away from this swivel mount, and break away from rotation when cooperating when needs, and only need make this swing frame extrude distance between this protruding resistance and this changeover portion, this first inductor assembly is separated with this second inductor assembly.
3. Split type current transformer as claimed in claim 2, it is characterized in that, wherein this detachable composite module further comprises a locking module, this locking module is arranged on this first inductor assembly and corresponding the second side lock place of this second inductor assembly, wherein, this locking module further comprises a locking key, this locking key is positioned at the second side lower part of this upper encloser, one is extended, one buckling piece, this buckling piece is positioned at this lower encioser the second upper lateral part, one is extended, this buckling piece and this locking key latch-up structure be to should be able to carrying out mutual snap lock effect, thereby so that this second inductor assembly can fasten and locking with this first inductor assembly.
4. Split type current transformer as claimed in claim 3, it is characterized in that, wherein this first inductor assembly further comprises one first core, wherein, this upper encloser has an opening, and this upper encloser inside has a cavity, for holding this first core, wherein this first core is and does not seal U-shaped, and all is the arch under shed on the 3rd side of this upper encloser and the 4th side body, is wrapping up in the described U-shaped that do not seal with correspondence.
5. Split type current transformer as claimed in claim 4, it is characterized in that, wherein this second inductor assembly further comprises a core cap, one magnetic strength assembly, wherein, this lower encioser top has an opening, its inside has a cavity, holding this magnetic strength assembly section within it, and be placed on this lower encioser opening part by this core cap and seal described magnetic strength assembly, this core cap first side wherein, the second side respectively has a core mouth, is simultaneously a gradual change indent arch between the described core mouth in these both sides, thus with the 3rd side and corresponding formation one measured zone of the arch of the under shed of the 4th side of this upper encloser.
6. a kind of Split type current transformer according to claim 5, it is characterized in that: this swing frame also comprises: at least one pair of transition supporting section, extend on its top by described lower encioser the first side, at least one pair of supporting section, it is extended upward by described transition supporting section, one rotating shaft, it is located between this a pair of supporting section.
7. Split type current transformer as claimed in claim 6, it is characterized in that, it is one pre-conditioned that location, the position of the protruding resistance of this of its this rotary hook has, this condition is, ring is formed with a circular trace (B) in this rotary hook coupler body, this circular trace (B) diameter is and can cooperates shape with this rotating shaft rotation, simultaneously on the track of this circular trace (B), near this gib head direction place this protruding resistance is set, the track that can continue this circular trace (B) protrudes one section predeterminable range, this distance is, the distance at the changeover portion of this protruding resistance and this rotary hook interval between on the orbital position of this circular trace (B) is less than this rotating shaft diameter on this swing frame.
8. Split type current transformer according to claim 7 is characterized in that, this rotary hook adopts elastomeric material to make.
9. Split type current transformer according to claim 8 is characterized in that, described elastomeric material is preferably plastics, resin, rubber and composite material thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010154770 CN102222559B (en) | 2010-04-13 | 2010-04-13 | Split current mutual inductor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010154770 CN102222559B (en) | 2010-04-13 | 2010-04-13 | Split current mutual inductor |
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| CN102222559A CN102222559A (en) | 2011-10-19 |
| CN102222559B true CN102222559B (en) | 2013-02-13 |
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| CN 201010154770 Expired - Fee Related CN102222559B (en) | 2010-04-13 | 2010-04-13 | Split current mutual inductor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104139788A (en) * | 2014-08-02 | 2014-11-12 | 北安庆华科技开发有限公司 | Current receiving sensor |
| CN105405627B (en) * | 2016-01-06 | 2017-08-15 | 浙江天际互感器有限公司 | A kind of fast insert-pull open-close type current transformer |
| CN105609299A (en) * | 2016-03-11 | 2016-05-25 | 吴世植 | Waterproof detachable current transformer |
| CN106847469B (en) * | 2017-03-22 | 2018-10-02 | 济南铂晶电子科技有限公司 | A kind of waterproof Open Type Electric Current Mutual Inductor and encapsulating method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953285Y (en) * | 2006-09-16 | 2007-09-26 | 江山市三江互感器有限公司 | Opening and closing current mutual inductor |
| CN201402738Y (en) * | 2009-04-07 | 2010-02-10 | 上海久亚电气设备有限公司 | Open type fixing device for current transformer |
| CN201975251U (en) * | 2010-04-13 | 2011-09-14 | 徐其信 | Split type current transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6756776B2 (en) * | 2002-05-28 | 2004-06-29 | Amperion, Inc. | Method and device for installing and removing a current transformer on and from a current-carrying power line |
| CN200967606Y (en) * | 2006-11-09 | 2007-10-31 | 诚毅股份有限公司 | Commodity exhibition selling case |
| CN201163573Y (en) * | 2008-01-24 | 2008-12-10 | 北京恒源利通电力技术有限公司 | Openable current mutual inductor |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953285Y (en) * | 2006-09-16 | 2007-09-26 | 江山市三江互感器有限公司 | Opening and closing current mutual inductor |
| CN201402738Y (en) * | 2009-04-07 | 2010-02-10 | 上海久亚电气设备有限公司 | Open type fixing device for current transformer |
| CN201975251U (en) * | 2010-04-13 | 2011-09-14 | 徐其信 | Split type current transformer |
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| CN102222559A (en) | 2011-10-19 |
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