CN204011288U - A kind of coil weld tabs and double-wound relay thereof - Google Patents
A kind of coil weld tabs and double-wound relay thereof Download PDFInfo
- Publication number
- CN204011288U CN204011288U CN201420400452.4U CN201420400452U CN204011288U CN 204011288 U CN204011288 U CN 204011288U CN 201420400452 U CN201420400452 U CN 201420400452U CN 204011288 U CN204011288 U CN 204011288U
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- Prior art keywords
- leading foot
- wrap terminal
- wire
- wire wrap
- weld tabs
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- Expired - Lifetime
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- 238000010618 wire wrap Methods 0.000 claims abstract description 100
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 47
- 238000005452 bending Methods 0.000 abstract description 23
- 238000013461 design Methods 0.000 abstract description 2
- 210000002683 foot Anatomy 0.000 description 108
- 238000010586 diagram Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
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- Electromagnets (AREA)
Abstract
The utility model discloses a kind of coil weld tabs and double-wound relay thereof, coil weld tabs comprises wire wrap terminal and leading foot, and wire wrap terminal and leading foot, all along vertical setting, are connected by crossbeam between wire wrap terminal and the bottom of leading foot; In the upper end of wire wrap terminal, be provided with for guiding the coiling groove of enamelled wire, in the lower end of leading foot, be provided with clamping boss, fix with bobbin being used for.Double-wound relay is that coil weld tabs is inserted on bobbin, and wire wrap terminal is provided with kink, makes the epimere of the kink of wire wrap terminal, and the direction to the second leading foot in the plane paralleling with described leading foot tilts.The utility model passes through the integrally-built particular design of coil weld tabs, can effectively enamelled wire be imported to groove, while making tin sticky, the tin sticky direction of pin is consistent, the direction that fixedly tin point produces during tin sticky, eliminated in prior art the broken enamelled wire in enamelled wire tin sticky Hou Xi Jianzha County and the bending of coil weld tabs after enamelled wire throw the drawback causing.
Description
Technical field
The utility model relates to relay technical field, particularly relates to a kind of coil weld tabs and double-wound relay thereof.
Background technology
Relay is the automatic switch element with isolation features, is widely used in the fields such as communication, automobile, control automatically, household electrical appliance, is one of most important control element.
A kind of double-wound relay of prior art, on the reel of bobbin, to be wound with inner ring enamelled wire and outer ring enamelled wire, the bobbin of this structure as shown in Figure 1, Fig. 1 is the structural representation of the bobbin of prior art, bobbin 100 is typically provided with three leading foots, i.e. the first leading foot 101, the second leading foot 102 and middle leading foot 103, the first leading foot 101 and the second leading foot 102 are used for being wound around top and the end of enamelled wire, middle leading foot 103 is used for being wound around the common port of enamelled wire, wherein, middle leading foot 103 is coil weld tabs, this coil weld tabs 103 as shown in Figure 2, Fig. 2 is the structural representation of the coil weld tabs of prior art, this coil weld tabs 103 comprises wire wrap terminal 1031 and leading foot 1032, wire wrap terminal 1031 is vertically and is connected with leading foot 1032, end at wire wrap terminal 1031 is provided with the hook platform 1033 that is parallel to leading foot 1032, when three leading foots are installed to bobbin 100, the first leading foot 101, the leading foot 1032 of the second leading foot 102 and coil weld tabs 103 is in line, 1033 of the hook platforms of wire wrap terminal 1031 protrude into the outside (as shown in Figure 1) on the end edge of bobbin 100, during coiling enamelled wire, as Fig. 3, shown in Fig. 4, schematic diagram when Fig. 3 is the bobbin coiling enamelled wire of prior art, schematic diagram when Fig. 4 is bobbin (angle of overturning) the coiling enamelled wire of prior art, first coiling inner ring, after enamelled wire is first wound around on the first leading foot 101, on coil holder reel, be wound around counterclockwise after the required number of turns, be wrapped on the hook platform 1033 of wire wrap terminal 1031 of coil weld tabs 103 (in the middle of leading foot), after being wound around on the wire wrap terminal of middle leading foot, complete inner ring coiling.During coiling outer ring, enamelled wire is guided on reel via coil holder groove after being wound around on middle leading foot, on reel, is wound around after the required number of turns clockwise, after coil holder groove is wound around on the second leading foot 102, completes the coiling of outer ring.What from the first leading foot 101, draw is top line 201, and in the middle of being connected on the hook platform 1033 of the wire wrap terminal 1031 of leading foot 103 is mid line 202, and what receive the second leading foot 102 is end line 203.During tin sticky, as shown in Fig. 5, Fig. 6, Fig. 7, schematic diagram when Fig. 5 is the bobbin first step tin sticky of prior art, schematic diagram when Fig. 6 is the bobbin second step tin sticky of prior art, Fig. 7 is the schematic diagram of side-looking direction of the bobbin of Fig. 6, during the tin sticky of the bobbin first step, be to the first leading foot 101, the second leading foot 102 tin sticky, utilize molten tin bath 301 to process, during the tin sticky of bobbin second step, be hook platform 1033 tin sticky to the wire wrap terminal 1031 of coil weld tabs 103 (middle leading foot), after tin sticky, due to hook platform structure, twine the effect of head and gravity, can be at Fig. 6, three positions shown in Fig. 7 produce tin point 302 at random, after tin sticky, need 1031 bendings of the wire wrap terminal of middle leading foot, as shown in Figure 8, Fig. 8 is the schematic diagram after the wire wrap terminal bending of bobbin of prior art, the wrap direction of wire wrap terminal 1031 is towards the region of top line and end line spanning position, , the hook platform 1033 of wire wrap terminal 1031 is the outside bendings inward from the end edge of bobbin 100, the tin point 302 producing during tin sticky after bending is easily by the insulating varnish film destroy of enamelled wire surface, form direct short-circuit between enamelled wire top line and middle leading foot, and enamelled wire during bending with the middle leading foot of certain slack is squeezed and can upwards throws, the plastics boss that exceeds plug-in mounting leading foot, and directly and when end line hangs together, being easy to throw line when assembling scrapes disconnected, while enamelled wire is thrown afterwards and end line directly forms voltage breakdown, causes equipment fault.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of coil weld tabs and double-wound relay thereof are provided, by the particular design to coil weld tabs, can effectively the tin sticky direction of the tin sticky direction of middle leading foot winding terminal enamelled wire and first, second leading foot be consistent, while having fixed tin sticky, produce the direction of tin point, simultaneously, during the wire wrap terminal bending of middle leading foot, towards the direction of routing that is parallel to top line and end line, and the enamelled wire of middle leading foot can not be squeezed, avoided the drawback causing in prior art.
The utility model solves the technical scheme that its technical problem adopts: a kind of coil weld tabs, comprise wire wrap terminal and leading foot, and wire wrap terminal and leading foot are all along vertical setting, between wire wrap terminal and the bottom of leading foot, by a crossbeam, are connected; In the upper end of wire wrap terminal, be provided with for guiding the coiling groove of enamelled wire, in the lower end of leading foot, be provided with clamping boss, fix with bobbin being used for.
The recess of the coiling groove of described wire wrap terminal is towards described leading foot.
The upper end of described wire wrap terminal is provided with upper and lower two boss along Width, is used for guiding the groove of enamelled wire by convex platform and lower convex platform described in being surrounded.
Described wire wrap terminal and crossbeam form L-type structure.
The height dimension of described leading foot is greater than the height dimension of wire wrap terminal.
A kind of double-wound relay, comprise the first leading foot for being wound around enamelled wire top, be used for being wound around enamelled wire end the second leading foot, be used for being wound around coil weld tabs and the bobbin of enamelled wire intermediate ends, described the first leading foot, the second leading foot and coil weld tabs are inserted into respectively the correspondence position of bobbin; Described coil weld tabs comprises wire wrap terminal and leading foot, and wire wrap terminal and leading foot are all along vertical setting, between wire wrap terminal and the bottom of leading foot, by a crossbeam, are connected; In the upper end of wire wrap terminal, be provided with the connecting portion of location enamelled wire.
The connecting portion of described wire wrap terminal upper end is made as for guiding the coiling groove of enamelled wire; In the lower end of described leading foot, be provided with clamping boss, fix with bobbin being used for.
One end of described bobbin is provided with three plastics boss side by side, and described the first leading foot, coil weld tabs and the second leading foot are sequentially respectively along being vertically inserted on corresponding plastics boss.
Further, described wire wrap terminal is also provided with kink, makes the epimere of the kink of wire wrap terminal, in the plane paralleling with described leading foot to the direction of the second leading foot preset angle that tilts.
The recess of the coiling groove of described wire wrap terminal is towards described leading foot.
The upper end of described wire wrap terminal is provided with upper and lower two boss along Width, is used for guiding the groove of enamelled wire by convex platform and lower convex platform described in being surrounded.
The height dimension of described leading foot is greater than the height dimension of wire wrap terminal.
A kind of double-wound relay of the present utility model, in assembling process, is first the first leading foot, the second leading foot and coil weld tabs to be respectively charged into the correspondence position of bobbin; When wire wrap terminal and leading foot are all when vertically arranging, then by wire wrap terminal preset angle of direction bending to the second leading foot in the plane paralleling with described leading foot, also can be before assembling, be designed to wire wrap terminal in the plane paralleling with described leading foot to the angle of the pre-bending of direction of the second leading foot; Then coiling enamelled wire; Then again the first leading foot, the second leading foot and wire wrap terminal are carried out to tin sticky processing simultaneously; After tin sticky is processed, then wire wrap terminal direction to bobbin in the plane paralleling with described leading foot is bent until reach preset position.
The process of described coiling enamelled wire is that enamelled wire is first wound around on the first leading foot; Then on the reel of bobbin, be wound around counterclockwise the preset number of turns; Then be wound into the coiling groove of the wire wrap terminal of coil weld tabs; Then via coil holder groove, guide on reel, on reel, be wound around clockwise the preset number of turns; Finally by coil holder groove, guide on the second leading foot and be wound around.
Bending segment and described crossbeam that described wire wrap terminal is wire wrap terminal to the preset position of the direction bending of bobbin in the plane paralleling with described leading foot are perpendicular.
The beneficial effects of the utility model are:
The upper end that is the wire wrap terminal of middle leading foot due to coil weld tabs is provided with, lower two boss, by convex platform and lower convex platform, surrounded the groove that can be used for guiding enamelled wire, the boss at groove two ends is limited to enamelled wire in groove, can not be moved, after enamelled wire has wound the line, while carrying out tin sticky, the tin sticky direction of three leading foots is consistent, can realize tin sticky simultaneously, the tin point that tin sticky produces is parallel to tin sticky direction, when the wire wrap terminal of middle leading foot bends, the direction of bending is perpendicular to the turnover direction of intermediate coat envelope curve, can not make enamelled wire be squeezed throws, after bending, tin point direction is away from the leap region of end line at the whole story, can avoid like this enamelled wire to throw, throwing line and the end line direct voltage that hangs together punctures, the broken paint film in tin Jianzha County causes all rough sledding of short circuit.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of coil weld tabs of the present utility model and double-wound relay thereof are not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bobbin of prior art;
Fig. 2 is the structural representation of the coil weld tabs of prior art;
Schematic diagram when Fig. 3 is the bobbin coiling enamelled wire of prior art;
Schematic diagram when Fig. 4 is bobbin (angle of overturning) the coiling enamelled wire of prior art;
Schematic diagram when Fig. 5 is the bobbin first step tin sticky of prior art;
Schematic diagram when Fig. 6 is the bobbin second step tin sticky of prior art;
Fig. 7 is the schematic diagram of side-looking direction of the bobbin of Fig. 6;
Fig. 8 is the schematic diagram after the wire wrap terminal bending of bobbin of prior art;
Fig. 9 is the structural representation of coil weld tabs of the present utility model;
Figure 10 is the structural representation of bobbin of the present utility model;
Schematic diagram when Figure 11 is bobbin coiling enamelled wire of the present utility model;
Schematic diagram when Figure 12 is bobbin of the present utility model (angle of overturning) coiling enamelled wire;
Schematic diagram when Figure 13 is bobbin tin sticky of the present utility model;
Figure 14 is the schematic diagram after the wire wrap terminal bending of bobbin of the present utility model;
Figure 15 is the schematic diagram after the wire wrap terminal bending of bobbin of the present utility model (angle of overturning);
Figure 16 is the schematic diagram after the wire wrap terminal bending of bobbin of the present utility model (angle of overturning again).
Embodiment
Embodiment, referring to shown in Fig. 9 to Figure 16.
A kind of coil weld tabs of the present utility model, this coil weld tabs 10 comprises wire wrap terminal 1 and leading foot 2, and wire wrap terminal 1 and leading foot 2 are all along vertical setting, between wire wrap terminal 1 and the bottom of leading foot 2, by a crossbeam 21, are connected; In the upper end of wire wrap terminal 1, be provided with for guiding the coiling groove 11 of enamelled wire, and prevent that it from coming off, moving; In the lower end of leading foot 2, be provided with clamping boss 22, fix with bobbin being used for.
The recess of the coiling groove 11 of described wire wrap terminal is towards described leading foot 2.
The upper end of described wire wrap terminal 1 is provided with upper and lower two boss 12,13 along Width, is used for guiding the groove 11 of enamelled wire by convex platform 12 and lower convex platform 13 described in being surrounded.
Described wire wrap terminal 1 and crossbeam 21 form L-type structure.
The height dimension of described leading foot 2 is greater than the height dimension of wire wrap terminal 1; Certainly, both height are determined by actual conditions.
A kind of double-wound relay of the present utility model, comprise the first leading foot 31 for being wound around enamelled wire top, be used for being wound around enamelled wire end the second leading foot 32, be used for being wound around coil weld tabs 10 and the bobbin 33 of enamelled wire intermediate ends, one end of bobbin 33 is provided with three plastics boss 331 side by side, and described the first leading foot 31, coil weld tabs 10 and the second leading foot 32 are sequentially respectively along being vertically inserted on corresponding plastics boss 331; Described coil weld tabs 10 comprises wire wrap terminal 1 and leading foot 2, and wire wrap terminal 1 and leading foot 2 are all along vertical setting, between wire wrap terminal 1 and the bottom of leading foot 2, by a crossbeam 21, are connected; In the upper end of wire wrap terminal 1, be provided with for guiding the coiling groove 11 of enamelled wire, in the lower end of leading foot, be provided with clamping boss 22, fix with the corresponding plastics boss 331 of bobbin being used for; The upper end of wire wrap terminal 1 is provided with upper and lower two boss 12,13 along Width, is used for guiding the groove 11 of enamelled wire by convex platform 12 and lower convex platform 13 described in being surrounded; Further, described wire wrap terminal 1 is also provided with kink 14, makes the epimere 15 of the kink of wire wrap terminal, and the direction to the second leading foot 32 in the plane paralleling with described leading foot 2 tilts.Same, the recess of the coiling groove 11 of described wire wrap terminal is towards described leading foot 2; Described wire wrap terminal 1 and crossbeam 21 form L-type structure; The height dimension of described leading foot 2 is greater than the height dimension of wire wrap terminal 1.
A kind of double-wound relay of the present utility model, in assembling process, is first the first leading foot 31, the second leading foot 32 and coil weld tabs 10 to be respectively charged into the corresponding plastics boss 331 of bobbin; Then by wire wrap terminal 1 preset angle of direction bending to the second leading foot in the plane paralleling with described leading foot, be advisable in 30 °, angle of inclination, be convenient to bobbin winding head cabling and tin sticky, also can be before assembling, be designed to wire wrap terminal in the plane paralleling with described leading foot to the angle of the pre-bending of direction of the second leading foot; Then coiling enamelled wire; Then again the first leading foot 31, the second leading foot 32 and wire wrap terminal 1 are carried out to tin sticky processing simultaneously; After tin sticky is processed, then the epimere of the kink of wire wrap terminal 1 15 direction to bobbin in the plane paralleling with described leading foot is bent until reach preset position.
The process of described coiling enamelled wire is that enamelled wire 4 is first wound around on the first leading foot 31; Then on the reel of bobbin, be wound around counterclockwise the preset number of turns; Then be wound into the coiling groove 11 of the wire wrap terminal of coil weld tabs; Then via coil holder groove, guide on reel, on reel, be wound around clockwise the preset number of turns; Finally by coil holder groove, guide on the second leading foot 32 and be wound around.
The bending segment (being the epimere 15 of kink) that the epimere 15 of the kink of described wire wrap terminal is wire wrap terminal to the preset position of the direction bending of bobbin in the plane paralleling with described leading foot is perpendicular with described crossbeam.
A kind of double-wound relay of the present utility model, when enamelled wire 4, first coiling inner ring, after enamelled wire 4 is first wound around on the first leading foot 31, from one of the centre plastics boss 331 of bobbin, stride across, this section of line is top line 41, after inner ring coiling completes, in the middle of enamelled wire 4 is wound into, leading foot is on the wire wrap terminal of coil weld tabs 10, enamelled wire 4 continues to be wound around outer ring be wound around several circles on the coiling groove 11 of the wire wrap terminal of middle leading foot after, the enamelled wire 4 being wrapped on the coiling groove 11 of wire wrap terminal is mid line 42, after outer ring coiling completes, enamelled wire 4 is finally wrapped on the second leading foot 32, this section of line is end line 43, because convex platform 12 and lower convex platform 13 are used for guiding the groove 11 of enamelled wire 4 described in surrounding, can prevent that enamelled wire 4 is moved, during tin sticky, the first leading foot 31, the wire wrap terminal 1 of middle leading foot 10, the second leading foot 32 towards unanimously, can realize a step tin sticky, tin sticky adopts molten tin bath 52, tin sticky direction is as Figure 13 arrow indication, in the middle of after tin sticky, the tin of the wire wrap terminal 1 of leading foot 10 point 51 directions are away from top line 41, mid line 42 and end line 43, after wire wrap terminal 1 bending, tin point 51 directions away from the region of three lines (as Figure 15, shown in Figure 16), and wrap direction has toward the trend pressing down mid line 42 (as Figure 14, Figure 15, shown in Figure 16), thereby avoid mid line 42 upwards to throw, exceed bobbin plastics boss 331, with the whole story end line hang together, broken top, tin Jianzha County line 41, all rough sledding of mid line 42 and end line 43, after bending simultaneously, three lines are separately towards different directions, can avoid enamelled wire to hang together mutually and produce the risk that direct voltage punctures.
Above-described embodiment is only used for further illustrating a kind of coil weld tabs of the present utility model and double-wound relay thereof; but the utility model is not limited to embodiment; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all fall in the protection range of technical solutions of the utility model.
Claims (12)
1. a coil weld tabs, is characterized in that: comprise wire wrap terminal and leading foot, and wire wrap terminal and leading foot are all along vertical setting, between wire wrap terminal and the bottom of leading foot, by a crossbeam, are connected; In the upper end of wire wrap terminal, be provided with for guiding the coiling groove of enamelled wire, in the lower end of leading foot, be provided with clamping boss, fix with bobbin being used for.
2. coil weld tabs according to claim 1, is characterized in that: the recess of the coiling groove of described wire wrap terminal is towards described leading foot.
3. coil weld tabs according to claim 1 and 2, is characterized in that: the upper end of described wire wrap terminal is provided with upper and lower two boss along Width, is used for guiding the groove of enamelled wire by convex platform and lower convex platform described in being surrounded.
4. coil weld tabs according to claim 1, is characterized in that: described wire wrap terminal and crossbeam form L-type structure.
5. coil weld tabs according to claim 1, is characterized in that: the height dimension of described leading foot is greater than the height dimension of wire wrap terminal.
6. a double-wound relay, comprise the first leading foot for being wound around enamelled wire top, be used for being wound around enamelled wire end the second leading foot, be used for being wound around coil weld tabs and the bobbin of enamelled wire intermediate ends, described the first leading foot, the second leading foot and coil weld tabs are inserted into respectively the correspondence position of bobbin; It is characterized in that: described coil weld tabs comprises wire wrap terminal and leading foot, and wire wrap terminal and leading foot are all along vertical setting, between wire wrap terminal and the bottom of leading foot, by a crossbeam, are connected; In the upper end of wire wrap terminal, be provided with the connecting portion of location enamelled wire.
7. double-wound relay according to claim 6, is characterized in that: the connecting portion of described wire wrap terminal upper end is made as for guiding the coiling groove of enamelled wire; In the lower end of described leading foot, be provided with clamping boss, fix with bobbin being used for.
8. double-wound relay according to claim 6, is characterized in that: one end of described bobbin is provided with three plastics boss side by side, and described the first leading foot, coil weld tabs and the second leading foot are sequentially respectively along being vertically inserted on corresponding plastics boss.
9. double-wound relay according to claim 6, it is characterized in that: further, described wire wrap terminal is also provided with kink, makes the epimere of the kink of wire wrap terminal, in the plane paralleling with described leading foot to the direction of the second leading foot preset angle that tilts.
10. double-wound relay according to claim 7, is characterized in that: the recess of the coiling groove of described wire wrap terminal is towards described leading foot.
11. according to the double-wound relay described in claim 7 or 10, it is characterized in that: the upper end of described wire wrap terminal is provided with upper and lower two boss along Width, is used for guiding the groove of enamelled wire by convex platform and lower convex platform described in being surrounded.
12. double-wound relays according to claim 6, is characterized in that: the height dimension of described leading foot is greater than the height dimension of wire wrap terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400452.4U CN204011288U (en) | 2014-07-18 | 2014-07-18 | A kind of coil weld tabs and double-wound relay thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400452.4U CN204011288U (en) | 2014-07-18 | 2014-07-18 | A kind of coil weld tabs and double-wound relay thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011288U true CN204011288U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420400452.4U Expired - Lifetime CN204011288U (en) | 2014-07-18 | 2014-07-18 | A kind of coil weld tabs and double-wound relay thereof |
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| Country | Link |
|---|---|
| CN (1) | CN204011288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157515A (en) * | 2014-07-18 | 2014-11-19 | 厦门宏发电声股份有限公司 | Coil soldering lug and double-coil relay as well as assembly method of coil soldering lug and double-coil relay |
| US11670448B2 (en) * | 2018-05-07 | 2023-06-06 | Astronics Advanced Electronic Systems Corp. | System of termination of high power transformers for reduced AC termination loss at high frequency |
-
2014
- 2014-07-18 CN CN201420400452.4U patent/CN204011288U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157515A (en) * | 2014-07-18 | 2014-11-19 | 厦门宏发电声股份有限公司 | Coil soldering lug and double-coil relay as well as assembly method of coil soldering lug and double-coil relay |
| CN104157515B (en) * | 2014-07-18 | 2017-01-18 | 漳州宏发电声有限公司 | Coil soldering lug and double-coil relay as well as assembly method of coil soldering lug and double-coil relay |
| US11670448B2 (en) * | 2018-05-07 | 2023-06-06 | Astronics Advanced Electronic Systems Corp. | System of termination of high power transformers for reduced AC termination loss at high frequency |
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