CN213070857U - Transformer with high safety performance - Google Patents
Transformer with high safety performance Download PDFInfo
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- CN213070857U CN213070857U CN202022198252.3U CN202022198252U CN213070857U CN 213070857 U CN213070857 U CN 213070857U CN 202022198252 U CN202022198252 U CN 202022198252U CN 213070857 U CN213070857 U CN 213070857U
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Abstract
A transformer with high safety performance comprises a frame body, a primary pin platform and a secondary pin platform are symmetrically arranged on the left side and the right side of the frame body, a magnetic core is arranged in the center, a primary winding and a secondary winding are wound on the periphery of the magnetic core, the primary winding is electrically connected with a contact pin of the primary pin platform, the secondary winding is electrically connected with a contact pin of the secondary pin platform, the length of the primary pin platform is 0.7-0.8mm, a boss used for mounting the contact pin is convexly arranged on the surface of one end of the primary pin platform, so that the distance between the contact pins of the primary pin platform and the contact pins of the secondary pin platform accords with a safety distance, the safety distance of the contact pins of the two windings is increased, an original sleeve and a magnetic core back layer adhesive tape can be omitted, requirements on dielectric strength and creepage distance can be met, and the manufacturing process, the manufacturing cost is reduced, and the production is more efficient.
Description
Technical Field
The utility model relates to a transformer field especially relates to a transformer of high security performance.
Background
The existing high-frequency transformer is made to meet the requirements of primary and secondary dielectric strength of 4200V/60S/5mA and creepage distance of 8.14mmMIN, and the requirements of primary and secondary and magnetic core dielectric strength of 2100V/60S/5mA and creepage distance of 4.44mmMIN, when the high-frequency transformer is made, a wall-blocking sleeve is required to be added to isolate and a layer of adhesive tape on the back of the magnetic core is required to be added to meet the requirements, the process is complex, and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the technical scheme provides the transformer with high safety performance, the isolation requirement is met through the arrangement of the distance, a wall blocking sleeve and an adhesive tape are not required to be added, the cost is reduced, and the process is simple.
In order to achieve the purpose, the technical scheme is as follows:
the utility model provides a transformer of high security performance, includes the support body, support body left and right sides symmetry is provided with elementary pin platform and secondary pin platform, still including the magnetic core of locating the center, the magnetic core periphery is around being equipped with elementary winding and secondary winding, elementary winding with the contact pin electric connection of elementary pin platform, secondary winding with the contact pin electric connection of secondary pin platform, the length of elementary pin platform is 0.7-0.8mm, the protruding boss that is used for installing of surface of elementary pin platform one end to make the distance between the contact pin of elementary pin platform and secondary pin platform accord with safe interval.
According to the magnetic core, the primary winding and the secondary winding are wound on the magnetic core, the wires of the two windings are welded on the contact pins through the primary pin platform and the secondary pin platform respectively, the lengths of the primary pin platform and the secondary pin platform are limited, the lengths are shown in a dotted line in fig. 2, so that the safety distance between the contact pins of the windings and the magnetic core is increased, the cost cannot be increased due to the design of the length, the contact pins are arranged on the bosses of the corresponding pin platforms, the safety distance between the contact pins of the two windings is further increased, therefore, the original retaining wall sleeve and the magnetic core back layer adhesive tape can be cancelled, the requirements of dielectric strength and creepage distance can be met, the difficulty of a manufacturing process is reduced, the manufacturing cost is reduced, and the.
In some embodiments, a cavity with a trapezoidal cross section for injecting soldering tin to weld the contact pin and the lead is formed in the boss, and an isolation groove communicated with the cavity is vertically formed in the primary pin platform.
In some embodiments, five primary lead platforms are provided, and the upper surface of the outermost primary lead platform is provided with a bent groove which is communicated with the isolation groove and is bent to the magnetic core for placing a wire.
In some embodiments, the connection between the isolation groove and the boss and the connection between the isolation groove and the curved groove are provided with guide slopes.
In some embodiments, isolation baffles are disposed on both a side of the primary pin platform proximate the magnetic core and a side of the secondary pin platform proximate the magnetic core.
In some embodiments, the magnetic core is provided with a separation plate in the middle, the lower side of the separation plate is provided with a primary winding, the upper side of the separation plate is provided with a secondary winding, and the side surface of the separation plate is also provided with a plurality of through holes for the lead to pass through.
In some embodiments, the pin and the boss are in threaded connection.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-2, the present invention provides an embodiment:
the utility model provides a transformer of high security performance, includes support body 1, 1 left and right sides symmetry of support body is provided with elementary pin platform 2 and secondary pin platform 3, still including locating the magnetic core 4 at center, 4 peripheries of magnetic core are around being equipped with primary winding 41 and secondary winding 42, primary winding 41 with 5 electric connection of the contact pin of elementary pin platform 2, secondary winding 42 with 5 electric connection of contact pin of secondary pin platform 3, the length of elementary pin platform 2 is 0.7-0.8mm, the protruding being equipped with in surface of 2 one end of elementary pin platform is used for the installation the boss 6 of contact pin 5 to make the distance between the contact pin 5 of elementary pin platform 2 and secondary pin platform 3 accord with safe interval.
This application is around being equipped with primary winding and secondary winding in the magnetic core, the wire of two windings is respectively through primary pin platform and secondary pin platform welding on the contact pin, because the length of primary pin platform and secondary pin platform has been restricted, thereby improve the safe distance of the contact pin of each winding and magnetic core, the design of this length also can not increase the cost, and the contact pin sets up on the boss of the pin platform that corresponds, the safe distance of the contact pin of two windings further increases, therefore can cancel original barricade sleeve pipe and magnetic core backing layer sticky tape, also can satisfy dielectric strength and creepage distance requirement and reduced the manufacturing process degree of difficulty, reduce the manufacturing cost, produce more high-efficiently.
In this embodiment, it is trapezoidal to be used for pouring into soldering tin with contact pin 5 and wire welded cavity 61 to have seted up the cross-section in the boss 6, in the primary pin platform 2 vertically seted up with the isolation tank 62 of cavity 61 intercommunication, among the prior art, the wire need be rewelded around the round on the contact pin, such production efficiency is slow, consequently, the wire of this application is placed in the isolation tank rethread little through-hole from the winding that corresponds and penetrates in the cavity, and the contact pin inserts to the cavity in from the opposite side, the transformer of lying this moment, pour into soldering tin from the cavity and weld it, high operation, high production efficiency, and the cavity is trapezoidal, little through-hole is in the below on trapezoidal inclined plane, thereby can follow inclined plane direction gathering in the below when pouring into soldering tin, can play the effect of sparingly raw materials.
In this embodiment, elementary pin platform 2 is equipped with five, the 2 upper surfaces of the elementary pin platform in the outside seted up with keep apart groove 62 intercommunication and turn to the curved groove 63 that magnetic core 4 is used for putting into the wire, elementary pin platform and secondary pin platform all are provided with five, and every pin platform interval sets up, plays the isolation, and two pin platforms in the outside have curved groove, and the wire gets into curved groove rethread isolation groove entering cavity under from the magnetic core, not only beautifully but also prevent to tear the wire.
In this embodiment, the connecting portion of the isolation groove 62 and the boss 6 and the connecting portion of the isolation groove 62 and the curved groove 63 are provided with guide inclined surfaces 64, so that the lead is prevented from being worn at the bent portion due to the fact that the lead is attached to the groove.
In this embodiment, the primary pin platform 2 is close to one side of the magnetic core 4, and the secondary pin platform 3 is close to one side of the magnetic core 4, and isolation baffles 7 are arranged on the two sides, so that the pin safety distance of the two windings is further increased.
In this embodiment, the middle of the magnetic core 4 is provided with a partition plate 8, the upper side of the partition plate 8 is provided with a primary winding 41, the lower side of the partition plate 8 is provided with a secondary winding 42, the side surface of the partition plate 8 is further provided with a plurality of through holes 9 for wires to pass through, the partition plate isolates the primary winding on the upper side from the secondary winding on the lower side, and the through holes are arranged on the outermost side of the partition plate, so that the primary winding on the upper side enters the primary pin platform through the through holes, the wires and the secondary winding still keep a safe distance, and the secondary winding on the lower side.
In this embodiment, contact pin 5 with be threaded connection between the boss 6, the contact pin still has a baffle, carries out spacing installation, can save cost easy to assemble according to actual quantity demand installation contact pin.
The above description is only for the purpose of illustrating the preferred embodiments of the present application and is not intended to limit the scope of the present application, which is within the scope of the present application, except that the same or similar principles and basic structures as the present application may be used.
Claims (7)
1. A transformer of high security performance which characterized in that: including support body (1), support body (1) left and right sides symmetry is provided with primary pin platform (2) and secondary pin platform (3), still including locating magnetic core (4) at center, magnetic core (4) periphery is around being equipped with primary winding (41) and secondary winding (42), primary winding (41) with contact pin (5) electric connection of primary pin platform (2), secondary winding (42) with contact pin (5) electric connection of secondary pin platform (3), the length of primary pin platform (2) is 0.7-0.8mm, the protruding boss (6) that are used for installing of contact pin (5) that are equipped with in surface of primary pin platform (2) one end to make the distance between contact pin (5) of primary pin platform (2) and secondary pin platform (3) accord with safe interval.
2. A high safety transformer according to claim 1, wherein: a cavity (61) with a trapezoidal section for injecting soldering tin to weld the contact pin (5) and the lead is formed in the boss (6), and an isolation groove (62) communicated with the cavity (61) is vertically formed in the primary pin platform (2).
3. A high safety transformer according to claim 2, wherein: five primary pin platforms (2) are arranged, and the upper surface of the primary pin platform (2) on the outermost side is provided with a bent groove (63) which is communicated with the isolation groove (62) and is bent to the magnetic core (4) for placing a wire.
4. A high safety transformer according to claim 3, wherein: and guide inclined planes (64) are arranged at the joint of the isolation groove (62) and the boss (6) and the joint of the isolation groove (62) and the bent groove (63).
5. A high safety transformer according to claim 1, wherein: the primary pin platform (2) is close to one side of the magnetic core (4) and the secondary pin platform (3) is close to one side of the magnetic core (4) and is provided with an isolation baffle (7).
6. A high safety transformer according to claim 1, wherein: the magnetic core (4) middle part is equipped with division board (8), division board (8) downside is primary (41), and the upside is secondary (42), division board (8) side still is equipped with a plurality of through-hole (9) that are used for supplying the wire to walk through.
7. A high safety transformer according to claim 6, wherein: the inserting pin (5) is in threaded connection with the boss (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198252.3U CN213070857U (en) | 2020-09-29 | 2020-09-29 | Transformer with high safety performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198252.3U CN213070857U (en) | 2020-09-29 | 2020-09-29 | Transformer with high safety performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213070857U true CN213070857U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022198252.3U Active CN213070857U (en) | 2020-09-29 | 2020-09-29 | Transformer with high safety performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213070857U (en) |
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2020
- 2020-09-29 CN CN202022198252.3U patent/CN213070857U/en active Active
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