CN201975251U - Split type current transformer - Google Patents
Split type current transformer Download PDFInfo
- Publication number
- CN201975251U CN201975251U CN2010201693279U CN201020169327U CN201975251U CN 201975251 U CN201975251 U CN 201975251U CN 2010201693279 U CN2010201693279 U CN 2010201693279U CN 201020169327 U CN201020169327 U CN 201020169327U CN 201975251 U CN201975251 U CN 201975251U
- Authority
- CN
- China
- Prior art keywords
- current transformer
- split type
- type current
- core
- upper encloser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a split type current transformer, comprising: a first induction assembly, a second induction assembly which are connected together by a detachable combination module, wherein the detachable type combination module comprises: a detachable rotary module arranged on the corresponding first side connection position on the first induction assembly and the second induction assembly and a locking module arranged on the corresponding second side locking position on the first induction assembly and the second induction assembly.
Description
Technical field
The utility model relates to a kind of current transformer, relates 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 on-the-spot sensed signal sources, 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 snaps in for the convenience of the users, therefore can directly be fastened and on the electric wire that needs are measured, respond to detecting operation, 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 adopt the fixing rotation fastening structure of an end between the first U-iron core and the second U-iron core usually, be to snap in electric wire thus in use by the rotation opening, and close up the dual U-shaped iron core and form magnetic loop, realize what current detecting was responded to, therefore clamp when such current transformer and detect thick electric wire and when fastening whole U-iron core composition magnetic loop, 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, and in case when causing this damage, can not come 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 maintenance cost.
The utility model content
A kind of split type current transformer that main purpose of the present utility model provides, it has detachable combining structure, therefore when the detection electric wire carries out clamp operation, the reaction force that is produced when effectively discrete electrical wires is clamped makes that the link of this open type current transformer is not easy to damage, improve reliability of products, reduced the damage probability of current transformer.
In order to achieve the above object, a kind of split type current transformer that the utility model provides, 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 the pairing first side junction on described first inductive component and described second inductive component, one locking module, it is arranged on pairing second side lock place on described first inductive component and described second inductive component.
A kind of split type current transformer that the utility model provides, it has detachable combining structure, therefore when its advantage that has is arbitrary parts damages when 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, helped the user and use for a long time, increased the useful life of current transformer.
A kind of split type current transformer that the utility model provides, it has detachable combining structure, therefore less demanding for site environment and the facility implementing to detect, can be by utilizing the separation compound mode to enter in the narrow space, for testing brings great convenience in extremely complicated circuit environment.
A kind of split type current transformer that provides of the present utility model, it has detachable combining structure, and its housing adopts fastening structure to connect combination, therefore need not additional retaining elements such as screw and nut, make that this current transformer body weight is lighter, be easy to carry, and demolition and maintenance.
A kind of split type current transformer that the utility model provides, it has detachable combining structure, and it does not have complicated technology to make requirement, with high manufacturing cost, and the product assembling process is comparatively convenient, helps improving the production efficiency of manufacturing enterprise, has reduced production cost.
Description of drawings
Fig. 1 is the assembly figure of split type current transformer of the present utility model.
Fig. 2 is the local part schematic diagram of split type current transformer of the present utility model.
Fig. 3 is the user mode schematic diagram of split type current transformer of the present utility model.
Fig. 4 A is the upper encloser half sectional view of split type current transformer of the present utility model.
Fig. 4 B be split type current transformer of the present utility model the rotary hook partial enlarged drawing.
Fig. 5 is the second inductive component half sectional view of split type current transformer of the present utility model.
Fig. 6 is the upper encloser vertical view of split type current transformer of the present utility model.
Fig. 7 is the lower encioser vertical view of split type current transformer of the present utility model.
Fig. 8 is the magnetic strength assembled figure of split type current transformer of the present utility model.
Fig. 9 is the user mode schematic diagram of split type current transformer of the present utility model.
Figure 10 is the user mode schematic diagram of split type current transformer of the present utility model.
Embodiment
See also Fig. 1-10 and be a kind of better embodiment of split type current transformer of the present utility model, it comprises: one first inductor assembly 1, one second inductive component 2, adopt detachable composite module to connect between it, wherein said detachable composite module has: a detachable rotary module 31, it is arranged on the pairing first side junction R on described first inductive component 1 and described second inductive component 2, one locking module 32, it is arranged on the pairing second side lock place L on described first inductive component 1 and described second inductive component 2.
Wherein said 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 predetermined angle to this upper encloser 11 inner inclination, and has certain elasticity, make first core 12 in upper encloser 11, can do to move by a small margin, its objective is when end, two ends face height negative common difference appears in first core 12 or second core 232, can well allow first core 12 and 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 used for this first core 12 of positioning and fixing in these upper encloser 11 inside, and be tilted to these upper encloser 11 inside by this each follow block 111 and prop up this first core 12, strengthen the positioning and fixing effect, prevent that first core 12 from coming off.
All be arch simultaneously on this upper encloser 11 the 3rd side and the 4th side body, wrapping up in described first core 12 that does not seal U-shaped with correspondence under shed.
Wherein said 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 portion 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 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 first core 232 and second core 12 adopt ferrites;
One pedestal 233, its top have a core platform 2333, and to carry this second core, 232 bottoms, a resistance limit 2334 is respectively established in these core platform 2333 both sides, and these resistance limit 2334 relative these baffle-wall 2313 direction differences are to form the location to this second core all around;
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 the corresponding grab 2332 in 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 the bottom periphery of this coil around platform 2312 and this pedestal 233, form circle and live this coil cap 231, 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, is electrically connected by lead 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 lead.
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, so that locate firm this magnetic strength assembly 23 within it in portion's cavity, and emit the number of delivering a letter lead 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 by this circuit board 234.
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 second core, 232 opening parts, two ends penetrate, be a gradual change indent arch simultaneously between the described core mouth 221 in these both sides, a so that and pass mouth of the corresponding formation of the 3rd side measured zone of this upper encloser 11 with the arch of the under shed of the 4th side, 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 first side of upper encloser 11, be the coupler body opening form that makes progress, wherein said rotary hook adopts to have elastomeric material and makes, and makes 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, make its track that can continue this circular trace B protrude one section predeterminable range, this distance is, this protruding resistance 3111 and this changeover portion 3113 at interval distance 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 upper encloser 11 thus 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 first inductive component 1 with described second inductive component 2 on the pairing 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 the pairing second side lock place L on described first inductive component 1 and described 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, end, the two ends face that this first core 12 and this second core 232 the are corresponding mutually formation magnetic loop of will fitting mutually is that electromagnetic induction is prepared, 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 conversion of signals, 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 to make upper encloser 11 and lower encioser 24 form the rotation folding conditions, forming the rotation opening thus makes detection line can enter this surveyed area between upper encloser 11 and the lower encioser 24, furthermore be exactly enter upper encloser 11 and lower encioser 24 inner between corresponding first core 12 and 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 the wireline inspection operating state thus.
And its another kind of operator scheme is, this first detection components 1 and these second detection components, 2 separated attitudes, when determining detection line, this each inspection side assembly is distinguished the entry-line surveyed area separately, and, 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 around around the need detection line, be around the detected circuit, to satisfy the demand in different testing environments zone.
In sum, personnel that are engaged in this technical field can recognize, are shown as shown with in the foregoing description, and the execution mode of this utility model only is a mode preferably, rather than confined intentionally.
Therefore, belong in the scope and spirit of the present utility model, can from the disclosure, easily obtain by those skilled in the art, in all favourable modifications all are included in as other embodiment of the present utility model.Therefore, scope of the present utility model is only limited by claims.
Claims (10)
1. split type current transformer, it comprises: one first inductor assembly, one second inductive component adopts detachable composite module to connect between it.
2. a kind of split type current transformer according to claim 1 is characterized in that: described can have from the formula composite module: a detachable rotary module, it is arranged on the pairing first side junction on described first inductive component and described second inductive component
One locking module, it is arranged on pairing second side lock place on described first inductive component and described second inductive component.
3. a kind of split type current transformer according to claim 2 is characterized in that: wherein said first inductor assembly comprises: a upper encloser, the one side opening, and its inside has a cavity, and accommodate one first core, wherein this first core is not closed ring, all be arch simultaneously on this upper encloser the 3rd side and the 4th side body, wrapping up in described first core that does not seal U-shaped with correspondence under shed.
4. a kind of split type current transformer according to claim 3 is characterized in that: described upper encloser top has a pair of follow block, this follow block enantiomorphism is arranged on the direction of both ends of the left and right sides, described upper encloser top, and entity is separated by between this a pair of follow block, described each follow block three sides are the hollow out state, and to this upper encloser inner inclination.
5. a kind of split type current transformer according to claim 4 is characterized in that: wherein said second inductor assembly comprises: a core cap, one magnetic strength assembly, one lower encioser, wherein said lower encioser top has an opening, its inside has a cavity, holding described magnetic strength assembly portion within it, and be placed on described lower encioser opening part by described core cap and seal described magnetic strength assembly, wherein said core cap the one the second sides respectively have a core mouth, be a gradual change indent arch simultaneously 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 is characterized in that: described detachable rotary module comprises: a rotary hook, it is arranged on the bottom of first side of described upper encloser, be the coupler body opening form that makes progress, its turn buckle is connected on, on one swing frame, wherein said swing frame is arranged on the top of described lower encioser first side, is the fit structure corresponding with described rotary hook.
7. a kind of split type current transformer according to claim 6 is characterized in that: described swing frame also comprises: at least one pair of transition supporting section, extend on its top by described lower encioser 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.
8. a kind of split type current transformer according to claim 7 is characterized in that: described rotary hook also comprises: a changeover portion, its bottom by described upper encloser first side extend one section and form with this transition supporting section respective distances,
One protruding resistance, it is arranged on described rotary hook 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 the described 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 described gib head direction place described protruding resistance is set, make its track that can continue this circular trace (B) protrude one section predeterminable range, this distance is, described protruding resistance and described changeover portion between on the orbital position of this circular trace (B) at interval distance less than the described rotating shaft diameter on the described swing frame.
9. a kind of split type current transformer according to claim 8 is characterized in that: it comprises wherein said locking module: a locking key, it is located at second side lower part of this upper encloser, one is extended, one buckling piece, itself and described locking key latch-up structure are to carrying out mutual snap lock effect, it is positioned at described lower encioser second upper lateral part, and one is extended.
10. a kind of split type current transformer according to claim 9 is characterized in that: described rotary hook adopts elastomeric material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201693279U CN201975251U (en) | 2010-04-13 | 2010-04-13 | Split type current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201693279U CN201975251U (en) | 2010-04-13 | 2010-04-13 | Split type current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975251U true CN201975251U (en) | 2011-09-14 |
Family
ID=44580349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201693279U Expired - Fee Related CN201975251U (en) | 2010-04-13 | 2010-04-13 | Split type current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975251U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222559A (en) * | 2010-04-13 | 2011-10-19 | 徐其信 | Split current mutual inductor |
| CN104091681A (en) * | 2014-06-24 | 2014-10-08 | 海盐凌云威电子有限公司 | Directly-pushed open-core transformer locking device |
| CN104198863A (en) * | 2014-09-19 | 2014-12-10 | 国家电网公司 | Sensing technology based online open-type lightning arrester monitoring device and monitoring method |
| CN106291043A (en) * | 2015-06-01 | 2017-01-04 | 浙江江材能源科技有限公司 | A kind of open-type combination sensor |
| CN106771467A (en) * | 2016-11-16 | 2017-05-31 | 国家电网公司 | Current sensor, its coil encapsulation method and electronic current mutual inductor |
| CN107615416A (en) * | 2015-06-03 | 2018-01-19 | Sht有限公司 | Coil device |
| CN108957094A (en) * | 2018-05-08 | 2018-12-07 | 湖南银河电气有限公司 | A kind of open-close type current sensor and its assemble method based on magnetic modulation |
-
2010
- 2010-04-13 CN CN2010201693279U patent/CN201975251U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222559A (en) * | 2010-04-13 | 2011-10-19 | 徐其信 | Split current mutual inductor |
| CN102222559B (en) * | 2010-04-13 | 2013-02-13 | 徐其信 | Split current mutual inductor |
| CN104091681A (en) * | 2014-06-24 | 2014-10-08 | 海盐凌云威电子有限公司 | Directly-pushed open-core transformer locking device |
| CN104091681B (en) * | 2014-06-24 | 2016-08-24 | 海盐凌云威电子有限公司 | A kind of direct-push opens transformer locking device |
| CN104198863A (en) * | 2014-09-19 | 2014-12-10 | 国家电网公司 | Sensing technology based online open-type lightning arrester monitoring device and monitoring method |
| CN106291043A (en) * | 2015-06-01 | 2017-01-04 | 浙江江材能源科技有限公司 | A kind of open-type combination sensor |
| CN107615416A (en) * | 2015-06-03 | 2018-01-19 | Sht有限公司 | Coil device |
| CN106771467A (en) * | 2016-11-16 | 2017-05-31 | 国家电网公司 | Current sensor, its coil encapsulation method and electronic current mutual inductor |
| CN108957094A (en) * | 2018-05-08 | 2018-12-07 | 湖南银河电气有限公司 | A kind of open-close type current sensor and its assemble method based on magnetic modulation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201975251U (en) | Split type current transformer | |
| CN102222559B (en) | Split current mutual inductor | |
| CN204142430U (en) | A kind of battery leakage pick-up unit | |
| CN201829678U (en) | Electrode connecting device | |
| CN104539083A (en) | Plastic package stator and bearing end cap waterproof sealing structure and plastic package motor | |
| CN203351739U (en) | Antenna | |
| CN204761182U (en) | A direct current motor and ceiling fan for ceiling fan | |
| KR101559924B1 (en) | Power window motor apparatus for vehicle accurately maintaining the distance between hall sensor and ring magnet | |
| CN104539082A (en) | Plastic package stator and bearing end cap waterproof sealing structure and plastic package motor | |
| CN102339685A (en) | Direct-current contactor | |
| CN202182927U (en) | Compound sensor for measuring temperature and partial discharging of high-voltage cable | |
| CN206648590U (en) | The special fixture of quick detection machine tool electric support concentricity and flatness | |
| CN204966782U (en) | Electric connector with contact locking structure | |
| CN203406225U (en) | Solid-sealed type breaker pole insulation seat | |
| CN205828826U (en) | A kind of adapter | |
| CN104539080A (en) | Plastic package stator and bearing end cap waterproof sealing structure and plastic package motor | |
| CN220119980U (en) | Detection tool for bar codes and edge wrapping of battery cell | |
| CN206020474U (en) | Pcb board fixed structure and detecting system | |
| CN207834113U (en) | A kind of power capacitor and its cover board | |
| CN209217839U (en) | A kind of electric machine stand and flange welding structure | |
| CN201348937Y (en) | Core assembly fixing structure of power capacitor | |
| CN209280773U (en) | A kind of high-tension shielding cover | |
| CN205319815U (en) | External rotor traction machine permanent magnet fixing structure | |
| CN201869057U (en) | Composite coil mould | |
| CN218724235U (en) | PCB magnetic disc, joint module and robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20180413 |