Magnetic core transformer convenient to install

Abstract

The utility model discloses a magnetic core transformer convenient to install, and relates to the field of magnetic core transformers. The magnetic core transformer convenient to install comprises a coil unit and a magnetic block unit, the coil unit is installed on the magnetic block unit, the magnetic block unit comprises two sets of U-shaped blocks, a fixing block and a sleeve base, and the U-shaped blocks are symmetrically arranged; the fixing block is fixedly connected to the U-shaped block, an inserting groove is formed in the top of the fixing block, the sleeve base is provided with multiple types and used for installing coil units of different types, the sleeve base is connected to the fixing block in a sleeving mode, and an inserting block is arranged in the sleeve base and inserted into the inserting groove. According to the magnetic core transformer convenient to install, the inserting blocks are inserted into the inserting grooves, the sleeve bases are connected to the fixing blocks in a sleeving mode, then the matched sleeve bases can be replaced according to the models and sizes of coil frameworks, then the coil frameworks of different models can be installed, and the flexibility of a transformer magnetic core is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic core transformers, in particular to a magnetic core transformer which is easy to install. Background Art

[0002] Magnetic core transformers operate based on the law of electromagnetic induction, achieving voltage conversion through magnetic field coupling between the primary winding (input) and the secondary winding (output). Their core structure primarily consists of winding units and a transformer core.

[0003] A transformer core is a sintered magnetic metal oxide composed of a mixture of various iron oxides. It serves as the magnetic conductor in the magnetic circuit of the transformer's inductor coil. Transformer cores can be categorized into various types, including EP, toroidal, rod, and drum cores, as well as EE and UU types, depending on their shape and structure.

[0004] When installing the coil of the existing E-type transformer core, the coil is wound on the coil bobbin, and then the coil bobbin is sleeved on the sleeve seat so that the coil bobbin is clamped between the E-type cores. However, the sleeve seats of some existing E-type cores are fixed and can only install a single type of coil bobbin. When installing coil bobbins of different types, corresponding E-type cores need to be used. However, the use of a larger E-type core will take up a larger space, making the transformer installation inconvenient and the flexibility of the E-type transformer core poor. Utility Model Content

[0005] In response to the deficiencies in the prior art, the utility model provides a magnetic core transformer that is easy to install, which solves the problem that the sleeve seat of some E-type magnetic cores is fixed and can only be installed on a single type of coil skeleton. When installing coil skeletons of different types, corresponding E-type magnetic cores need to be used. However, the use of larger E-type magnetic cores will take up a larger space, making the transformer installation inconvenient and the flexibility of the E-type transformer magnetic core poor.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A magnetic core transformer that is easy to install includes a winding unit and a magnetic block unit, wherein the winding unit is installed on the magnetic block unit, and the magnetic block unit includes:

[0007] U-shaped blocks, the U-shaped blocks are arranged in two groups and are symmetrically arranged;

[0008] A fixed block, the fixed block is fixedly connected to the U-shaped block, and a slot is provided on the top of the fixed block. The slot is rectangular in shape, and elastic extrusion sheets are fixedly connected to the side walls of the slot. An elastic magnetic conductive gasket is fixedly connected to the top of the fixed block, and a spiral magnetic conductive groove is provided on the outer wall of the fixed block;

[0009] The sleeve seat is sleeved on the fixed block, an insert block is provided inside the sleeve seat, the insert block is inserted into the slot, and the insert block abuts against the elastic extrusion sheet, and a magnetic ring is fixedly connected to the bottom of the sleeve seat.

[0010] Preferably, the winding unit includes:

[0011] Skeleton components;

[0012] The coil assembly is mounted on the frame assembly.

[0013] Preferably, the skeleton assembly comprises:

[0014] A coil bobbin, the coil bobbin being used for winding a coil;

[0015] The disc seat is provided in plurality and is respectively connected to the top end and the bottom end of the coil barrel.

[0016] Preferably, the skeleton assembly further comprises:

[0017] A clamping block is symmetrically arranged on the top disc seat and is used for clamping the upper end of the coil bobbin;

[0018] The connecting block is provided in a plurality and is L-shaped. The plurality of connecting blocks are symmetrically arranged on the bottom disc seat and are used for clamping the lower end of the coil barrel.

[0019] Preferably, the skeleton assembly further includes a metal part, which is provided in plurality and all arranged on the connecting block, and is used for connecting the transformer and the circuit board.

[0020] Preferably, the coil bobbin is sleeved on a sleeve seat.

[0021] Preferably, the coil assembly comprises:

[0022] a coil body wound on a coil barrel;

[0023] A winding tape is provided on the outside of the coil body.

[0024] Preferably, the coil barrel is clamped between symmetrical U-shaped blocks, and the outer sides of the U-shaped blocks are wrapped with insulating tape.

[0025] Preferably, the elastic magnetic gasket is movably against the inner top of the sleeve seat;

[0026] The spiral magnetic conductive groove is filled with nanocrystalline soft magnetic powder.

[0027] Preferably, the magnetic ring is in contact with the U-shaped block. The utility model discloses a magnetic core transformer that is easy to install, which has the following beneficial effects:

[0028] The magnetic core transformer which is easy to install has a rectangular slot formed on a fixed block and is provided with sleeve seats of various models. Insert blocks which match the slot are provided inside the sleeve seats of various models. The insert blocks are inserted into the slots so that the sleeve seats are sleeved on the fixed block. Therefore, the sleeve seats which match the sizes of the coil skeletons can be replaced, and coil skeletons of different models can be installed, thereby improving the flexibility of the transformer magnetic core and expanding the application range of the transformer magnetic core. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 This is a schematic diagram of the structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the winding unit structure of the utility model;

[0032] Figure 3 This is a schematic diagram of the skeleton assembly structure of the utility model;

[0033] Figure 4 This is a schematic diagram of the structure of the magnetic block unit of the utility model;

[0034] Figure 5 This is a schematic diagram of the U-shaped block and fixed block structure of the utility model;

[0035] Figure 6 This is a schematic diagram of the sleeve seat structure of the utility model.

[0036] In the figure: 1. Winding unit; 11. Skeleton assembly; 111. Coil barrel; 112. Disc seat; 113. Clamping block; 114. Connecting block; 115. Metal parts; 12. Coil assembly; 121. Coil body; 122. Winding tape; 2. Magnetic block unit; 21. U-shaped block; 22. Fixing block; 221. Slot; 222. Elastic extrusion sheet; 223. Elastic magnetic gasket; 224. Spiral magnetic groove; 23. Sleeve seat; 231. Insert block; 232. Magnetic ring; 3. Insulating tape. DETAILED DESCRIPTION

[0037] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0038] The embodiment of the utility model discloses a magnetic core transformer which is easy to install.

[0039] Example 1: According to the attached Figure 1-6 As shown, it includes a winding unit 1 and a magnetic block unit 2. The winding unit 1 is mounted on the magnetic block unit 2. The magnetic block unit 2 includes:

[0040] U-shaped blocks 21 are provided in two groups and are symmetrically arranged;

[0041] The fixed block 22 is fixedly connected to the U-shaped block 21, and a slot 221 is defined on the top of the fixed block 22. The slot 221 is rectangular in shape, and elastic extrusion pieces 222 are fixedly connected to the side walls of the slot 221. An elastic magnetic conductive gasket 223 is fixedly connected to the top of the fixed block 22, and a spiral magnetic conductive groove 224 is defined on the outer wall of the fixed block 22.

[0042] The sleeve seat 23 is sleeved on the fixed block 22. An insert block 231 is provided inside the sleeve seat 23. The insert block 231 is inserted into the slot 221 and abuts against the elastic extrusion piece 222. A magnetic ring 232 is fixedly connected to the bottom of the sleeve seat 23.

[0043] Furthermore, the winding unit 1 includes:

[0044] Skeleton component 11;

[0045] The coil assembly 12 is mounted on the skeleton assembly 11 .

[0046] Furthermore, the skeleton assembly 11 includes:

[0047] The coil bobbin 111 is used for winding the coil;

[0048] The disc seat 112 is provided in plurality and is respectively connected to the top and bottom ends of the coil bobbin 111 .

[0049] Furthermore, the skeleton assembly 11 further includes:

[0050] The clamping block 113 is symmetrically arranged on the top disc seat 112 and is used for clamping the upper end of the coil bobbin 111;

[0051] The connecting block 114 is provided in plurality and is L-shaped. The connecting blocks 114 are symmetrically arranged on the bottom disc seat 112 and are used for clamping the lower end of the coil bobbin 111 .

[0052] Furthermore, the skeleton assembly 11 further includes a metal part 115 , which is provided in plurality and all disposed on the connecting block 114 , and is used for connecting the transformer and the circuit board.

[0053] Furthermore, the coil bobbin 111 is sleeved on the sleeve seat 23 .

[0054] Furthermore, the coil assembly 12 includes:

[0055] The coil body 121 is wound on the coil bobbin 111;

[0056] The winding tape 122 is disposed on the outside of the coil body 121 .

[0057] Furthermore, the coil tube 111 is clamped between the symmetrical U-shaped blocks 21, and the outer side of the U-shaped block 21 is wrapped with insulating tape 3. A rectangular slot 221 is opened on the fixed block 22, and a plurality of types of sleeve seats 23 are set, and an insert block 231 that matches the slot 221 is set inside the sleeve seats 23 of various models. The insert block 231 is inserted into the slot 221, so that the sleeve seat 23 is sleeved on the fixed block 22, and then the corresponding sleeve seat 23 can be replaced according to the model size of the coil skeleton, and then different types of coil skeletons can be installed, thereby improving the flexibility of the transformer core and expanding the scope of use of the transformer core. The symmetrical U-shaped blocks 21 can be connected by the insulating tape 3, so that the coil can be installed between the U-shaped blocks 21.

[0058] Example 2: According to the attached Figure 1-6 As shown, it includes a winding unit 1 and a magnetic block unit 2. The winding unit 1 is mounted on the magnetic block unit 2. The magnetic block unit 2 includes:

[0059] U-shaped blocks 21 are provided in two groups and are symmetrically arranged;

[0060] The fixed block 22 is fixedly connected to the U-shaped block 21, and a slot 221 is defined on the top of the fixed block 22. The slot 221 is rectangular in shape, and elastic extrusion pieces 222 are fixedly connected to the side walls of the slot 221. An elastic magnetic conductive gasket 223 is fixedly connected to the top of the fixed block 22, and a spiral magnetic conductive groove 224 is defined on the outer wall of the fixed block 22.

[0061] The sleeve seat 23 is sleeved on the fixed block 22. An insert block 231 is provided inside the sleeve seat 23. The insert block 231 is inserted into the slot 221 and abuts against the elastic extrusion piece 222. A magnetic ring 232 is fixedly connected to the bottom of the sleeve seat 23.

[0062] Furthermore, an elastic magnetic gasket 223 flexibly abuts against the inner top of the sleeve seat 23. By adding this elastic magnetic gasket 223 to the mating surface between the sleeve seat 23 and the fixed block 22, the air gap is automatically filled by elastic deformation. The spiral magnetic groove 224 is filled with nanocrystalline soft magnetic powder. By providing the spiral magnetic groove 224 on the outer wall of the fixed block 22 and filling the groove with nanocrystalline soft magnetic powder, magnetic field distortion is suppressed through the eddy current effect, thereby ensuring a uniform magnetic field.

[0063] Furthermore, the magnetic conductive ring 232 abuts against the U-shaped block 21. By embedding the magnetic conductive ring 232 at the bottom of the sleeve seat 23, its high magnetic permeability characteristic can reduce the magnetic resistance mutation at the air gap to ensure a uniform magnetic field.

[0064] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic core transformer that is easy to install, comprising a winding unit (1) and a magnetic block unit (2), wherein the winding unit (1) is installed on the magnetic block unit (2), and is characterized in that: The magnetic block unit (2) comprises: U-shaped blocks (21), the U-shaped blocks (21) are arranged in two groups and are symmetrically arranged; A fixed block (22), the fixed block (22) being fixedly connected to the U-shaped block (21), and a slot (221) being provided on the top of the fixed block (22), the slot (221) being rectangular in shape, elastic extrusion sheets (222) being fixedly connected to the side walls around the slot (221), an elastic magnetic conductive gasket (223) being fixedly connected to the top of the fixed block (22), and a spiral magnetic conductive groove (224) being provided on the outer wall of the fixed block (22); A sleeve seat (23) is sleeved on the fixed block (22); an insert block (231) is provided inside the sleeve seat (23); the insert block (231) is inserted into the slot (221), and the insert block (231) abuts against the elastic extrusion sheet (222); and a magnetic ring (232) is fixedly connected to the bottom of the sleeve seat (23).

2. The easy-to-install core transformer according to claim 1, characterized in that: The winding unit (1) comprises: Skeleton components (11); A coil assembly (12) is mounted on the skeleton assembly (11).

3. The easy-to-install core transformer according to claim 2, characterized in that: The skeleton assembly (11) comprises: A coil barrel (111), wherein the coil barrel (111) is used for winding a coil; The disc seat (112) is provided in plurality and is respectively connected to the top end and the bottom end of the coil barrel (111).

4. The easy-to-install magnetic core transformer according to claim 3, characterized in that: The skeleton assembly (11) further comprises: A clamping block (113), the clamping block (113) is symmetrically arranged on the top disc seat (112) and is used for clamping the upper end of the coil bobbin (111); A connecting block (114) is provided in plurality and is L-shaped. The plurality of connecting blocks (114) are symmetrically arranged on the bottom disc seat (112) and are used for clamping the lower end of the coil barrel (111).

5. The easy-to-install magnetic core transformer according to claim 4, characterized in that: The skeleton assembly (11) further comprises a metal piece (115), wherein the metal piece (115) is provided in plurality and all are provided on the connection block (114), and is used for connecting the transformer and the circuit board.

6. The easy-to-install magnetic core transformer according to claim 3, characterized in that: The coil barrel (111) is sleeved on the sleeve seat (23).

7. The easy-to-install magnetic core transformer according to claim 5, characterized in that: The coil assembly (12) comprises: A coil body (121), wherein the coil body (121) is wound on a coil cylinder (111); A winding tape (122) is provided on the outside of the coil body (121).

8. The easy-to-install magnetic core transformer according to claim 7, characterized in that: The coil barrel (111) is clamped between symmetrical U-shaped blocks (21), and the outer sides of the U-shaped blocks (21) are wrapped with insulating tape (3).

9. The easy-to-install magnetic core transformer according to claim 1, characterized in that: The elastic magnetic conductive gasket (223) movably contacts the inner top of the sleeve seat (23); The spiral magnetic conductive groove (224) is filled with nanocrystalline soft magnetic powder.

10. The easy-to-install magnetic core transformer according to claim 1, characterized in that: The magnetic conductive ring (232) is in contact with the U-shaped block (21).

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