CN212570664U

CN212570664U - Transformer with magnetic core capable of being quickly grounded

Info

Publication number: CN212570664U
Application number: CN202021575857.3U
Authority: CN
Inventors: 孙春阳; 王猛; 柳教成; 张庭春
Original assignee: Guangdong Liwang High Tech Co Ltd
Current assignee: Guangdong Liwang High Tech Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-02-19
Anticipated expiration: 2030-07-31

Abstract

The utility model belongs to the technical field of the transformer, especially, relate to a but magnetic core quick ground connection's transformer, including magnetic core and magnetic core, magnetic core fixed mounting be in magnetic core's intermediate position, magnetic core including overhead gage, lower baffle and fixed mounting the overhead gage with wrapping post between the baffle down, the intermediate position of wrapping post be provided with magnetic core assorted first cavity: a first wiring terminal is fixedly arranged on the upper surface of one end of the upper baffle, a first stop block is further arranged at one end of the upper baffle in a protruding mode, the first stop block is located between the first wiring terminal and the first cavity, and at least one first groove is formed in the first stop block; make the magnetic core be connected with the earth connection on the first terminal through first recess, realize magnetic core ground connection, realized the quick ground connection of magnetic core, simple structure, the processing production of being convenient for has reduced manufacturing cost, has improved production efficiency.

Description

Transformer with magnetic core capable of being quickly grounded

Technical Field

The utility model belongs to the technical field of the transformer, especially, relate to a but magnetic core quick ground connection's transformer.

Background

The transformer is one of important electronic components in various electronic product circuits, a magnetic core and other accessories of the transformer are all positioned in an electric field around a winding during operation, if the magnetic core and other accessories are not grounded, the magnetic core and other accessories inevitably induce certain voltage, and under the action of an applied voltage, when the induced voltage exceeds a discharge voltage to the ground, a discharge phenomenon can be generated to influence the normal operation of the transformer, so that the magnetic core can be grounded by the conventional transformer.

In the prior art, the transformer magnetic core needs to be additionally soldered around a tin-plated wire or self-adhered copper foil and then welded. However, the two grounding structures are complex, use more materials, have long production time, higher cost and low production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but transformer of magnetic core ground connection fast, the grounding structure who aims at solving the transformer magnetic core among the prior art is complicated, and the production man-hour is long, technical problem such as production efficiency is low.

In order to achieve the above object, an embodiment of the present invention provides a transformer with magnetic core capable of being grounded fast, including the magnetic core and the magnetic skeleton, the magnetic core is fixed to be installed in the intermediate position of the magnetic skeleton, the magnetic skeleton is including overhead gage, lower baffle and fixed mounting the overhead gage with down the wrapping post between the baffle, the intermediate position of wrapping post be provided with the first cavity of magnetic core assorted:

the upper surface of one end of the upper baffle is fixedly provided with a first wiring terminal, one end of the upper baffle is also provided with a first stop dog in an upward protruding mode, the first stop dog is located between the first wiring terminal and the first cavity, and at least one first groove is formed in the first stop dog.

Optionally, a conductive adhesive is disposed at the first groove, and the conductive adhesive is connected to the magnetic core and the first terminal respectively.

Optionally, the upper surface of one end of the upper baffle is further provided with a second binding post and a first notch, the first notch is located between the first binding post and the second binding post, and the first binding post and the second binding post are both provided with a first limiting groove.

Optionally, the upper surface of the other end of the upper baffle is provided with a third terminal and a second stop block, the third terminal is located at the edge of the other end of the upper baffle, the second stop block is located between the third terminal and the first cavity, the distance between the first stop block and the second stop block is matched with the magnetic core, and second notches are formed in two sides of the third terminal.

Optionally, a second groove is formed in the second stopper, and at least one ground wire is arranged on the third terminal.

Optionally, a third stop block and a fourth stop block are respectively arranged at two ends of the lower baffle plate in a protruding manner, and the distance between the third stop block and the fourth stop block is matched with the distance between the magnetic cores.

Optionally, the third stopper and the fourth stopper are provided with a plurality of connecting pins and a plurality of third notches, and the third notches are located above the connecting pins.

The embodiment of the utility model provides a but above-mentioned one or more technical scheme in the transformer of magnetic core ground connection has one of following technological effect at least: when using, imbed the magnetic core in first cavity earlier, make magnetic core and skeleton of transformer fixed connection, the fixed coil that is provided with on the wrapping post, need make magnetic core ground connection at last, be provided with the earth connection on first terminal earlier, the one end and the magnetic core of the earth connection on the first terminal are connected, the other end and the coil on the wrapping post of the earth connection on the first terminal are connected, and the coil on the wrapping post is connected with the stitch on the baffle down again, thereby the quick ground connection of magnetic core has been realized, moreover, the steam generator is simple in structure, and the processing production is convenient for, the processing steps are reduced, the production cost is reduced, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a transformer with a rapidly grounded magnetic core according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a transformer with a rapidly grounded magnetic core according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a transformer with a rapidly grounded magnetic core according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, a transformer with a magnetic core capable of being quickly grounded is provided, which includes a transformer bobbin 1 and a magnetic core 2, wherein the magnetic core 2 is fixedly mounted at a middle position of the transformer bobbin 1;

wherein transformer skeleton 1 is including overhead gage 11, lower baffle 12 and fixed mounting the overhead gage 11 with wrapping post 13 between the baffle 12 down, wrapping post 13's intermediate position be provided with 2 assorted first cavities 131 of magnetic core, the fixed surface of overhead gage 11 one end is provided with first terminal 111, the one end of overhead gage 11 still upwards protrudes to stretch first dog 112, first dog 112 is located first terminal 111 with between the first cavity 131, be provided with at least one first recess 113 on the first dog 112.

In this embodiment, when using, first embed magnetic core 2 in first cavity 131 makes magnetic core 2 with 1 fixed connection of transformer skeleton fixed being provided with the coil on the wrapping post 13, need make at last magnetic core 2 ground connection first be provided with the earth connection on first terminal 111, the one end of the earth connection on first terminal 111 with magnetic core 2 is connected, the other end of the earth connection on first terminal 111 with coil on wrapping post 13 is connected, and coil on wrapping post 13 again with stitch on baffle 12 is connected down, thereby has realized the quick ground connection of magnetic core 2, simple structure, the processing production of being convenient for has reduced the processing step, has reduced manufacturing cost, has improved production efficiency.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, a conductive adhesive 1131 is disposed at the first groove 113, and the conductive adhesive 1131 is respectively connected to the magnetic core 2 and a ground wire on the first terminal 111; through conducting resin 1131 make magnetic core 2 can directly be connected with the earth connection on the first terminal 111, realize magnetic core 2's quick ground connection for the structure of transformer is simpler, the production of being convenient for, thereby has improved production efficiency.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, the upper surface of one end of the upper baffle 11 is further provided with a second terminal post 115 and a first notch 116, the first notch 116 is located between the first terminal post 111 and the second terminal post 115, and the first terminal post 111 and the second terminal post 115 are both provided with a first limiting groove 131. The second binding post 115 is used for fixing a wire, one end of a ground wire on the first binding post 111 is connected with the magnetic core 2 through the conductive adhesive 1131, and the other end of the ground wire on the first binding post 111 is connected with the coil on the winding post 13 through the first notch 116, so that the magnetic core 2 is quickly grounded, and the first limiting groove 131 can effectively prevent the wire wound on the first binding post 111 or the second binding post 115 from falling off.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, a third terminal 117 and a second stopper 118 are disposed on the upper surface of the other end of the upper baffle 11, the third terminal 117 is located at the edge of the other end of the upper baffle 11, the second stopper 118 is located between the third terminal 117 and the first cavity 131, the distance between the first stopper 112 and the second stopper 118 matches with the magnetic core 2, and the two sides of the third terminal 117 are both provided with second notches 119.

In this embodiment, when the transformer is used, the magnetic core 2 is inserted into the first cavity 131 and inserted between the first stopper 112 and the second stopper 118, so that the magnetic core 2 is fixedly mounted on the transformer bobbin 1, the third terminal 117 can be used for winding a wire, and the wire wound on the third terminal 117 can be connected with the lower stopper 12 through the second notch 119, so that the transformer has a simpler structure and is simpler to produce.

In another embodiment of the present invention, as shown in fig. 1, 2 and 3, a second groove 110 is disposed on the second stopper 118, and at least one ground wire is disposed on the third terminal 117; the magnetic core 2 can be connected with one end of a grounding wire on the third binding post 117 through the second groove 110, and the other end of the grounding wire on the third binding post 117 is connected with the coil on the winding post 13, so that the magnetic core 2 is quickly grounded, the structure of the transformer is simpler, the production is convenient, and the production efficiency is improved.

In another embodiment of the present invention, as shown in fig. 1, 2 and 3, a third stopper 121 and a fourth stopper 122 are protruded from both ends of the lower baffle 12, respectively, and a distance between the third stopper 121 and the fourth stopper 122 matches with a distance of the magnetic core 2; the magnetic core 2 is embedded in the third stopper 121 and the fourth stopper 122, so that the connection between the magnetic core 2 and the transformer bobbin 1 is more stable.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 3, a plurality of connecting pins 123 and a plurality of third notches 124 are disposed on each of the third stopper 121 and the fourth stopper 122, and the third notches 124 are located above the connecting pins 123; one of the connecting pins 123 is used for grounding, and the connecting pin 123 is connected to the coil on the winding post 13, so that after the magnetic core 2 is connected to the grounding wire on the first terminal 111 through the first groove 113, the grounding wire on the first terminal 111 is connected to the coil on the winding post 13, so that the magnetic core 2 is quickly grounded through the grounding wire on the first terminal 111, the coil on the winding post 13 and the connecting pin 123.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a but magnetic core quick ground connection's transformer, includes skeleton of transformer and magnetic core, magnetic core fixed mounting be in skeleton of transformer's intermediate position, its characterized in that: the transformer skeleton is including overhead gage, lower baffle and fixed mounting the overhead gage with wrapping post between the baffle down, the intermediate position of wrapping post be provided with magnetic core assorted first cavity:

2. The transformer of claim 1, having a fast grounding core, wherein: and the first groove is provided with conductive adhesive, and the conductive adhesive is respectively connected with the magnetic core and a grounding wire on the first binding post.

3. The transformer of claim 1 or 2, wherein a second terminal and a first notch are further disposed on an upper surface of one end of the upper baffle, the first notch is located between the first terminal and the second terminal, and a first limiting groove is disposed on each of the first terminal and the second terminal.

4. The transformer of claim 1 or 2, wherein a third terminal and a second stop are disposed on an upper surface of the other end of the upper baffle, the third terminal is located at an edge of the other end of the upper baffle, the second stop is located between the third terminal and the first cavity, a distance between the first stop and the second stop matches with the magnetic core, and second notches are disposed on two sides of the third terminal.

5. The transformer of claim 4, wherein the second stop is provided with a second groove, and the third terminal is provided with at least one ground wire.

6. The transformer of claim 1 or 2, wherein a third stopper and a fourth stopper are protruded from two ends of the lower baffle, respectively, and a distance between the third stopper and the fourth stopper matches a distance between the magnetic cores.

7. The transformer of claim 6, wherein the third block and the fourth block are each provided with a plurality of connecting pins and a plurality of third notches, and the third notches are located above the connecting pins.