CN216749537U

CN216749537U - Assembled transformer

Info

Publication number: CN216749537U
Application number: CN202220445414.5U
Authority: CN
Inventors: 覃新宏
Original assignee: Guangxi Kaishenda Electronics Co ltd
Current assignee: Guangxi Kaishenda Electronics Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-06-14
Anticipated expiration: 2032-03-02

Abstract

The utility model relates to an assembled transformer, which relates to the field of transformers and comprises a bottom plate, a mounting seat, a magnetic core and a coil, wherein the mounting seat is fixed on the bottom plate, the magnetic core is fixed on the mounting seat, the coil is sleeved outside the magnetic core, the coil is provided with pins, the bottom plate is provided with positioning holes, and the pins penetrate through the positioning holes. This application has the effect of the location of the pin of making things convenient for transformer coil.

Description

Assembled transformer

Technical Field

The utility model relates to the field of transformers, in particular to an assembled transformer.

Background

A power transformer is a stationary electrical device that is used to transform an ac voltage of a certain value into another voltage of the same frequency or several different values. When the primary winding is energized with an alternating current, an alternating magnetic flux is generated, and the alternating magnetic flux is conducted through the iron core to induce an alternating electromotive force in the secondary winding. The level of the secondary induced electromotive force is related to the number of turns of the primary winding, i.e. the voltage is proportional to the number of turns. At present, different components in an electric appliance often need different voltages, and in order to change the voltages to the required sizes, transformers are often installed in a circuit board.

In the related art, when the transformer is installed on the circuit board, because the pins of the coil are movably sleeved on the magnetic core, the pins need to be manually positioned and inserted into corresponding installation holes on the circuit board one by one, the installation efficiency is low, and the pin positioning operation is inconvenient.

In view of the above-mentioned related art, the inventor believes that there is a defect that the pin positioning of the coil of the transformer is inconvenient in the process of mounting the transformer to the circuit board.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that pins of a coil of a transformer are inconvenient to position in the process of mounting the transformer on a circuit board, the application provides an assembled transformer.

The application provides an assembled transformer adopts following technical scheme:

the utility model provides an assembled transformer, includes bottom plate, mount pad, magnetic core and coil, the mount pad is fixed in on the bottom plate, the magnetic core is fixed in on the mount pad, the coil cover is located outside the magnetic core, the coil is equipped with the pin, be equipped with the locating hole on the bottom plate, the pin runs through the locating hole.

By adopting the technical scheme, because the pins of the coil are positioned in the positioning holes of the base plate, the designed positioning holes of the base plate only need to correspond to the connecting positions of the pins on the circuit board, in the process of installing the transformer on the circuit board, the base plate is directly installed on the circuit board at the designed position, one or two pins are used for positioning the installation position of the base plate during installation, other pins can automatically enter the corresponding installation positions on the circuit board, the pins are positioned on the circuit board conveniently and quickly, the process of installing the transformer on the circuit board is improved, and the installation efficiency of the transformer is improved.

Preferably, the mounting seat is provided with a mounting groove, and the magnetic core is fixed in the mounting groove.

Through adopting above-mentioned technical scheme, the installation groove is convenient for the location of magnetic core, improves the installation effectiveness of magnetic core.

Preferably, the magnetic core is fixed in the mounting groove by glue.

Through adopting above-mentioned technical scheme, it is fixed through the viscose, need not to add fastening structure in addition, reduces the weight of transformer, convenient operation simultaneously.

Preferably, the coil is equipped with a plurality ofly, adjacent two be equipped with the insulating piece between the coil, the insulating sheet cover is located outside the magnetic core.

Through adopting above-mentioned technical scheme, the insulating piece separates two adjacent coils, avoids two adjacent coil contacts and takes place the short circuit.

Preferably, the magnetic core includes center pillar and magnet, the both ends of center pillar fixed connection respectively the magnet, the center pillar encloses into the frame form with the magnet, the coil cover is located outside the center pillar, the magnet is fixed in on the mount pad.

Through adopting above-mentioned technical scheme, separately design into center pillar and magnet with the magnetic core, can establish the center pillar with the coil cover earlier on, on fixing the magnet with the both ends of center pillar again, the coil need not to use equipment to wind the center pillar on, makes things convenient for the installation of coil.

Preferably, the center pillar and the magnet are fixedly connected by glue.

Preferably, the number of the installation seats is two, the two installation seats are respectively arranged at two ends of the bottom plate, and two ends of the magnetic core are respectively fixed on the two installation seats.

Through adopting above-mentioned technical scheme, two mount pads erect the magnetic core, and the magnetic core is firm stable.

Preferably, the pin is provided with a limiting block for limiting the length of the pin penetrating through the positioning hole, and the limiting block is arranged between the bottom plate and the magnetic core.

By adopting the technical scheme, the length of the pin penetrating through the positioning hole is limited by the limiting block, so that the pin is accurately installed, and the condition that the pin is inaccurately connected with the circuit board in the process of installing the transformer on the circuit board is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an assembled transformer according to an embodiment of the present application.

Description of reference numerals: 1. a base plate; 2. a mounting seat; 3. a magnetic core; 31. a center pillar; 32. a magnet; 4. a coil; 5. a pin; 6. an insulating sheet; 7. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses assembled transformer. Referring to fig. 1, an assembled transformer includes a bottom plate 1, two mounting seats 2, a magnetic core 3 and a plurality of coils 4, two mounting seats 2 are fixed to the upper surfaces of both ends of the bottom plate 1 respectively, the width of the mounting seat 2 is the same as that of the bottom plate 1, and the outer side wall of the mounting seat 2 is flush with the outer side wall of the bottom plate 1. On magnetic core 3 was fixed in mount pad 2, magnetic core 3 was established to 4 covers of coil, and coil 4 is equipped with pin 5, and pin 5 is squarely, is equipped with the locating hole on the bottom plate 1, and the locating hole is squarely and the size equals with pin 5, and the lower extreme of pin 5 is from last down running through the locating hole, and the outer wall of pin 5 is hugged closely with the lateral wall of locating hole.

The bottom plate 1 is a square plate, the material of the bottom plate 1 is the same as that of the circuit board, and when the transformer is installed on the circuit board, the lower surface of the bottom plate 1 is tightly attached to the upper surface of the circuit board.

The mounting seat 2 is a square block, and the bottom of the mounting seat 2 is fixedly connected with the bottom plate 1 through adhesive. The upper portion of mount pad 2 is equipped with upper portion open-ended mounting groove, and the mounting groove is U type groove, and magnetic core 3 is fixed in the mounting groove through the viscose. During the installation, evenly paint the viscose earlier in the mounting groove, install the mounting groove with magnetic core 3 again in, then down compress tightly magnetic core 3 for magnetic core 3 is hugged closely with mount pad 2, treats the viscose consolidation back, and magnetic core 3 can be fixed in on the mount pad 2.

The magnetic core 3 comprises a center pillar 31 and a magnet 32, the magnet 32 is in an inverted U shape, the center pillar 31 is a horizontal round rod, two ends of the center pillar 31 are fixedly connected with two ends of the magnet 32 respectively through glue, the center pillar 31 and the magnet 32 surround a square frame with a square hole in the middle, and the coil 4 is sleeved outside the center pillar 31 and passes through and surrounds the square hole between the center pillar 31 and the magnet 32. The two ends of the magnet 32 are fixed in the two mounting grooves by glue respectively. During the installation, establish coil 4 cover on center pillar 31 earlier, fix the magnet 32 with the both ends of center pillar 31 again on, coil 4 need not to use equipment winding to the center pillar 31 on, makes things convenient for coil 4's installation. It should be noted that, in another embodiment, the magnetic core 3 may be designed to be an integrally formed structure, and the coil 4 may be wound around the center pillar 31 by using a device.

Be equipped with insulating piece 6 between two arbitrary adjacent coils 4, insulating piece 6 adopts plastics to make, and the middle part of insulating piece 6 is equipped with the trepanning, and outside center pillar 31 was located to insulating piece 6 cover, center pillar 31 passed the trepanning. Insulating piece 6 vertical setting, on the lower extreme of insulating piece 6 was fixed in bottom plate 1, insulating piece 6 separated two adjacent coils 4, avoided two adjacent coils 4 contacts and takes place the short circuit.

After the assembled transformer in this embodiment is assembled, all the pins 5 are sleeved with the protective sleeves, so that the pins 5 are prevented from being bent in the transportation process, and then the assembled transformer is packaged, and the pins 5 are further protected by the buffer material in the packaging process.

In another embodiment, fixed mounting has stopper 7 that is arranged in restricting the length that pin 5 passed in the locating hole on pin 5, and stopper 7 locates the top of bottom plate 1, and stopper 7 is square piece, and outside pin 5 was located to spacing pot head, the size of stopper 7 was greater than the size in spacing hole, and after pin 5 installed spacing hole and targetting in place, the upper surface of bottom plate 1 was hugged closely to the lower surface of stopper 7. The length of the pin 5 penetrating through the positioning hole is limited by the limiting block 7, so that the pin 5 is accurately installed, and the problem that the pin 5 penetrates through the positioning hole too long or too short to cause inconvenience in subsequent connection with a circuit board is avoided.

The implementation principle of an assembled transformer in the embodiment of the application is as follows: the pins 5 of the coil 4 are positioned and installed in the positioning holes of the bottom plate 1, when the transformer is installed on the circuit board, the bottom plate 1 is directly installed at the designed installation position on the circuit board, one or two pins 5 are used for positioning the installation position of the bottom plate 1, other pins 5 automatically enter the corresponding installation positions on the circuit board, the pins 5 are convenient to position, and the installation efficiency of the transformer in the process of installing the transformer on the circuit board is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An assembled transformer, characterized in that: including bottom plate (1), mount pad (2), magnetic core (3) and coil (4), mount pad (2) are fixed in on bottom plate (1), magnetic core (3) are fixed in on mount pad (2), coil (4) cover is located outside magnetic core (3), coil (4) are equipped with pin (5), be equipped with the locating hole on bottom plate (1), pin (5) run through the locating hole.

2. The assembled transformer of claim 1, wherein: the magnetic core is characterized in that a mounting groove is formed in the mounting seat (2), and the magnetic core (3) is fixed in the mounting groove.

3. The assembled transformer of claim 2, wherein: the magnetic core (3) is fixed in the mounting groove through glue.

4. The assembled transformer of claim 1, wherein: coil (4) are equipped with a plurality ofly, adjacent two be equipped with insulating piece (6) between coil (4), insulating piece (6) cover is located outside magnetic core (3).

5. The assembled transformer of claim 1, wherein: magnetic core (3) include center pillar (31) and magnet (32), the both ends difference fixed connection of center pillar (31) magnet (32), center pillar (31) and magnet (32) enclose into the frame form, coil (4) cover is located outside center pillar (31), magnet (32) are fixed in on mount pad (2).

6. The assembled transformer of claim 5, wherein: the center post (31) and the magnet (32) are fixedly connected through viscose.

7. The assembled transformer of claim 1, wherein: the two installation bases (2) are arranged and are respectively arranged at two ends of the bottom plate (1), and two ends of the magnetic core (3) are respectively fixed on the two installation bases (2).

8. The assembled transformer of claim 1, wherein: and the pin (5) is provided with a limiting block (7) for limiting the length of the pin (5) penetrating through the positioning hole, and the limiting block is arranged between the bottom plate and the magnetic core.