Transformer coil pressurizing device

Abstract

The utility model relates to the technical field of electronic transformers, in particular to a transformer coil pressurizing device which comprises a framework, a heat conduction assembly is arranged in the center of the end face of the framework, a magnetic core coil is fixedly installed in the center of the end face of the top of the framework, and a protective top cover is fixedly installed on the outer side of the top of the magnetic core coil. Wiring boards are arranged at the two ends of the outer portion of the framework and electrically connected with the magnetic core coil, a plurality of PINs are installed on the end faces of the wiring boards in an inserted mode, an installation assembly is arranged on the outer side of the framework, the protective top cover is connected with the framework and the wiring boards through the installation assembly, and the installation assembly comprises first threaded holes. The bottom sides of the end faces of the two sides of the framework are each provided with two first threaded holes. The transformer coil pressurizing device is simple in structure, capable of having good connecting and fastening effects on the protective top cover, convenient to disassemble and capable of having good protection and heat dissipation effects on the magnetic core coil, and the service life of the magnetic core coil is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic transformers, in particular to a transformer coil pressurizing device. Background Art

[0002] Electronic transformers are commonly used electronic components. Traditional electronic transformers generally include a magnetic core and a coil. They are mainly used in digital products such as mobile phones and computers.

[0003] In the prior art, the announcement number is: CN203433973U discloses a non-coil electronic transformer, including a magnetic core, the non-coil electronic transformer also includes a skeleton that matches the magnetic core, the main body of the skeleton is a frame, one side of the frame is open, and both sides of the inner side of the opening of the frame are provided with L-shaped joints, the tail end of the L-shaped joint is provided with an open slot, the tail end of the L-shaped joint is vertically upward, and the tail end of the L-shaped joint corresponds to the frame. The beneficial effects of the present invention are: the electronic transformer of the present invention eliminates the coil, and uses high-purity red copper foil as the skeleton, which is directly matched with the magnetic core to form an electronic transformer, saving materials and reducing costs; the electronic transformer has good working stability, and eliminates the problem of scrapping due to coil breakdown; the electronic transformer of the present invention has a simple structure, which greatly shortens the production time;

[0004] The transformer in the above patent has poor overall protection effect, poor connection firmness, and a structure that is prone to scattering; moreover, the sealing structure has poor heat dissipation effect during use, thereby affecting the service life of the equipment; therefore, a transformer coil pressurizing device is proposed to address the above problems. Utility Model Content

[0005] The problem solved by the utility model is to provide a transformer coil pressurizing device with a simple structure, good connection and fastening effect on the protective top cover, easy disassembly, and good protection and heat dissipation effect on the magnetic core coil, effectively extending the service life of the magnetic core coil.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A transformer coil pressurizing device comprises a frame, a heat conducting assembly being provided at the center of an end face of the frame, a magnetic core coil being fixedly mounted at the center of a top end face of the frame, a protective top cover being fixedly mounted on the top outer side of the magnetic core coil, terminal blocks being provided at both ends of the exterior of the frame, the terminal blocks being electrically connected to the magnetic core coil, a plurality of PIN pins being plugged and mounted on the end faces of the terminal blocks, a mounting assembly being provided on the exterior side of the frame, and the protective top cover being connected to the frame and the terminal blocks via the mounting assembly;

[0008] The mounting assembly includes a first threaded hole, two first threaded holes are provided on the bottom sides of both side end surfaces of the skeleton, and assembly grooves are provided on both side end surfaces of the protective top cover, and the end surfaces of the assembly groove are located on the outside of the first threaded hole and are provided with a second threaded hole, and a locking screw is inserted and installed in the center of the end surface of the second threaded hole, and one end of the locking screw passes through the second threaded hole and is fixedly connected to the first threaded hole. A limiting plate is provided between the two terminal blocks, and a stop frame is fixedly installed on the inner side of the limiting plate, and the outer wall of the stop frame is fit-connected with the inner wall of the assembly groove, and the end surfaces of the limiting plate and the stop frame are provided with a stop groove, and the stop groove is located on the outside of the locking screw.

[0009] Furthermore, a limiting groove is provided at the inner center of both ends of the terminal block, and a first magnetic block is fixedly installed on the inner end surface of the limiting groove, and a second magnetic block is fixedly installed at both ends of the limiting plate, and the second magnetic block passes through the limiting groove and is magnetically fixedly connected to the first magnetic block; through magnetic fixation, it is convenient to limit the limiting plate, thereby performing secondary limiting on the locking screw through the stop groove.

[0010] Furthermore, guide grooves are provided on the bottom sides of both ends of the protective top cover, and guide protrusions are fixed at positions corresponding to the guide grooves on both sides of the inner wall of the terminal block, and the outer walls of the guide protrusions are fitly connected to the inner walls of the guide grooves; this facilitates the splicing and installation of the protective top cover, effectively improving the convenience of installation.

[0011] Furthermore, the heat-conducting component includes a heat dissipation groove, which is opened in the center of the end face of the skeleton, and a heat dissipation plate is fixedly installed on the bottom side of the inner end face of the heat dissipation groove, and a plurality of load-bearing pillars are fixedly installed on the top end face of the heat dissipation plate, and the top end of the load-bearing pillar is fixedly connected to the bottom end of the magnetic core coil.

[0012] Furthermore, a plurality of guide grooves are provided on the bottom end surface of the wiring board, and the guide grooves pass through the wiring board and are connected with the heat dissipation grooves, thereby facilitating heat dissipation and improving the heat dissipation effect.

[0013] Furthermore, protective shields are fixedly installed at both ends of the interior of the protective top cover, and the protective shields are located on both sides of the exterior of the magnetic core coil; they can cover and protect the exterior of the magnetic core coil, thereby improving the protective effect of the magnetic core coil and extending the service life of the magnetic core coil.

[0014] The beneficial effects of the utility model are as follows: the transformer coil pressurizing device has a simple structure, and the protective top cover can be fixedly installed between the frame and the terminal board by arranging the installation component, the installation and positioning are convenient, and the protective top cover has a good connection and fastening effect, and the locking screw can have a good limiting effect, effectively avoiding the situation where the locking screw connection fails during long-term use, and effectively improving the stability of the connection; at the same time, the heat-conducting component can have a good protection and heat dissipation effect on the magnetic core coil, which is convenient for the magnetic core coil to dissipate heat when working, and effectively prolongs the service life of the magnetic core coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the first overall structure of the utility model;

[0016] Figure 2 This is a second overall structural diagram of the present utility model;

[0017] Figure 3 This is a third overall structural diagram of the utility model;

[0018] Figure 4 This is an overall top view of the utility model;

[0019] Figure 5 for Figure 4 Schematic cross-sectional view of AA.

[0020] Legend:

[0021] 1. Skeleton; 2. Thermal conductive component; 3. Magnetic core coil; 4. Protective top cover; 5. Protective shield; 6. Mounting component; 7. Terminal block; 8. PIN pin; 21. Heat sink; 22. Heat sink; 23. Load-bearing pillar; 24. Guide groove; 61. First threaded hole; 62. Limiting groove; 63. First magnetic block; 64. Assembly groove; 65. Second threaded hole; 66. Locking screw; 67. Limiting plate; 68. Stop frame; 69. Stopping groove; 610. Second magnetic block; 611. Guide groove; 612. Guide protrusion. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 creative efforts are within the scope of protection of the present invention.

[0023] Specific examples are given below.

[0024] See also Figures 1 to 5, a transformer coil pressurizing device, comprising a skeleton 1, a heat-conducting component 2 is provided in the center of the end face of the skeleton 1, a magnetic core coil 3 is fixedly installed in the center of the top end face of the skeleton 1, a protective top cover 4 is fixedly installed on the top outer side of the magnetic core coil 3, terminal blocks 7 are provided at both ends of the outside of the skeleton 1, and the terminal blocks 7 are electrically connected to the magnetic core coil 3, and a plurality of PIN pins 8 are installed on the end face of the terminal block 7, a mounting component 6 is provided on the outside of the skeleton 1, and the protective top cover 4 is connected to the skeleton 1 and the terminal block 7 through the mounting component 6; when in use, the magnetic core coil 3 and the plurality of PIN pins 8 on the end face of the terminal block 7 are used to facilitate power connection, voltage conversion and pressurization; the heat-conducting component 2 can improve the heat dissipation rate of the magnetic core coil 3 during operation; and the mounting component 6 can be used to fix the protective top cover 4 between the terminal block 7 and the skeleton 1, thereby protecting the magnetic core coil 3;

[0025] The first threaded hole 61, the mounting assembly 6 includes a first threaded hole 61, two first threaded holes 61 are provided on the bottom side of the two side end surfaces of the skeleton 1, and the two side end surfaces of the protective top cover 4 are provided with assembly grooves 64, and the end surface of the assembly groove 64 is located on the outside of the first threaded hole 61 and is provided with a second threaded hole 65, and a locking screw 66 is installed in the center of the end surface of the second threaded hole 65, one end of the locking screw 66 passes through the second threaded hole 65 and is fixedly connected to the first threaded hole 61, a limiting plate 67 is provided between the two terminal blocks 7, and a stopper is fixedly installed on the inner side of the limiting plate 67 The movable frame 68, the outer wall of the stop frame 68 is fitted and connected with the inner wall of the assembly groove 64, the end faces of the limit plate 67 and the stop frame 68 are provided with a stop groove 69, and the stop groove 69 is located on the outside of the locking screw 66; the inner center of both ends of the terminal block 7 is provided with a limit groove 62, and the inner end face of the limit groove 62 is fixedly installed with a first magnetic block 63, and the two ends of the limit plate 67 are fixedly installed with a second magnetic block 610, and the second magnetic block 610 passes through the limit groove 62 and is magnetically fixedly connected to the first magnetic block 63; through magnetic fixation, it is convenient to limit the limit plate 67, thereby The locking screw 66 is limited for the second time through the stop groove 69; the bottom sides of both ends of the protective top cover 4 are provided with guide grooves 611, and the guide protrusions 612 are fixed at the positions corresponding to the guide grooves 611 on both sides of the inner wall of the wiring board 7, and the outer wall of the guide protrusion 612 is connected with the inner wall of the guide groove 611; it is convenient to splice and install the protective top cover 4, and effectively improves the convenience of installation; when in use, the protective top cover 4 is plugged and installed on the top of the frame 1, so that the guide protrusions 612 on the inner sides of the two wiring boards 7 are plugged and guided with the guide grooves 611 on the outer side of the protective top cover 4, thereby facilitating the installation of the protective top cover 4 After being pressed onto the outside of the top of the magnetic core coil 3 so that the second threaded hole 65 is aligned with the first threaded hole 61, the locking screw 66 is used to pass through the second threaded hole 65 and connect and fix it with the first threaded hole 61. At the same time, the limit plate 67 is moved to the outside of the protective top cover 4 so that the second magnetic block 610 slides inside the limit groove 62 until the first magnetic block 63 and the second magnetic block 610 are adsorbed and fixed. At this time, the limit plate 68 is inserted into the inside of the assembly groove 64, and the locking screw 66 is engaged with the stop groove 69, thereby fixing the limit plate 67 and connecting and fixing the protective top cover 4 to the skeleton 1.

[0026] The heat-conducting component 2 includes a heat dissipation groove 21, which is opened in the center of the end face of the skeleton 1, and a heat dissipation plate 22 is fixedly installed on the bottom side of the inner end face of the heat dissipation groove 21, and a plurality of load-bearing pillars 23 are fixedly installed on the top end face of the heat dissipation plate 22, and the top end of the load-bearing pillar 23 is fixedly connected to the bottom end of the magnetic core coil 3; a plurality of guide grooves 24 are opened on the bottom end face of the terminal board 7, and the guide grooves 24 pass through the terminal board 7 and are connected with the heat dissipation groove 21; it is convenient for heat dissipation and improves the heat dissipation effect; the load-bearing pillars 23 can make the magnetic core coil 3 fixedly installed on the top of the heat dissipation plate 22, and the heat generated by the magnetic core coil 3 during operation is dissipated to the outside through the heat dissipation groove 21, the heat dissipation plate 22 and the guide groove 24, thereby improving the heat dissipation rate of the magnetic core coil 3.

[0027] Protective shields 5 are fixedly installed at both ends of the interior of the protective top cover 4, and the protective shields 5 are located on both sides of the outside of the magnetic core coil 3; they can cover and protect the outside of the magnetic core coil 3, improve the protection effect of the magnetic core coil 3, and extend the service life of the magnetic core coil 3.

[0028] Working principle: The protective top cover 4 is plugged and installed on the top of the skeleton 1, so that the guide protrusions 612 on the inner sides of the two terminal blocks 7 are plugged and guided with the guide grooves 611 on the outer side of the protective top cover 4, so that the protective top cover 4 is pressed onto the top outer side of the magnetic core coil 3, so that the second threaded hole 65 is aligned with the first threaded hole 61, and then the locking screw 66 is passed through the second threaded hole 65 and connected and fixed with the first threaded hole 61. At the same time, the limit plate 67 is moved to the outside of the protective top cover 4, so that the second magnetic block 610 slides inside the limit groove 62 until the first magnetic block 63 and the second magnetic block 610 are adsorbed and fixed. At this time, the limit plate 68 is inserted into the inside of the assembly groove 64, and the locking screw 66 is engaged with the stop groove 69 to fix the limit plate 67, and the protective top cover 4 is connected and fixed to the skeleton 1;

[0029] The load-bearing pillars 23 can make the magnetic core coil 3 fixedly mounted on the top of the heat sink 22. The heat generated by the magnetic core coil 3 during operation is dissipated to the outside through the heat sink 21, the heat sink 22 and the guide groove 24, thereby improving the heat dissipation rate of the magnetic core coil 3.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A transformer coil pressurizing device, characterized in that: The invention comprises a skeleton (1), a heat conducting component (2) is provided at the center of the end face of the skeleton (1), a magnetic core coil (3) is fixedly installed at the center of the top end face of the skeleton (1), a protective top cover (4) is fixedly installed on the top outer side of the magnetic core coil (3), and terminal blocks (7) are provided at both ends of the outside of the skeleton (1), and the terminal blocks (7) are electrically connected to the magnetic core coil (3); The end surface of the wiring board (7) is plugged with a plurality of PIN pins (8), the outer side of the frame (1) is provided with a mounting assembly (6), and the protective top cover (4) is connected to the frame (1) and the wiring board (7) via the mounting assembly (6); The mounting assembly (6) includes a first threaded hole (61), two first threaded holes (61) are provided on the bottom sides of both end surfaces of the frame (1), and assembly grooves (64) are provided on both end surfaces of the protective top cover (4), and the end surfaces of the assembly grooves (64) are located outside the first threaded hole (61) and are provided with second threaded holes (65), and a locking screw (66) is inserted and installed in the center of the end surface of the second threaded hole (65); One end of the locking screw (66) passes through the second threaded hole (65) and is fixedly connected to the first threaded hole (61). A limit plate (67) is provided between the two terminal blocks (7), and a stop frame (68) is fixedly installed on the inner side of the limit plate (67). The outer wall of the stop frame (68) is fitted with the inner wall of the assembly groove (64). The end faces of the limit plate (67) and the stop frame (68) are provided with a stop groove (69), and the stop groove (69) is located on the outer side of the locking screw (66).

2. A transformer coil pressurizing device according to claim 1, characterized in that: A limiting groove (62) is provided at the inner center of both ends of the terminal block (7), and a first magnetic block (63) is fixedly installed on the inner end surface of the limiting groove (62). A second magnetic block (610) is fixedly installed at both ends of the limiting plate (67), and the second magnetic block (610) passes through the limiting groove (62) and is magnetically fixedly connected to the first magnetic block (63).

3. The transformer coil pressurizing device according to claim 2, characterized in that: Guide grooves (611) are provided on the bottom sides of both ends of the protective top cover (4), and guide protrusions (612) are fixed at positions corresponding to the guide grooves (611) on both sides of the inner wall of the wiring board (7), and the outer walls of the guide protrusions (612) are fitted and connected to the inner walls of the guide grooves (611).

4. A transformer coil pressurizing device according to claim 3, characterized in that: The heat-conducting component (2) includes a heat dissipation groove (21), the heat dissipation groove (21) is opened in the center of the end face of the frame (1), and a heat dissipation plate (22) is fixedly installed on the bottom side of the inner end face of the heat dissipation groove (21), and a plurality of load-bearing pillars (23) are fixedly installed on the top end face of the heat dissipation plate (22), and the top end of the load-bearing pillar (23) is fixedly connected to the bottom end of the magnetic core coil (3).

5. The transformer coil pressurizing device according to claim 4, characterized in that: The bottom end surface of the terminal board (7) is provided with a plurality of guide grooves (24), and the guide grooves (24) pass through the terminal board (7) and are in communication with the heat dissipation grooves (21).

6. The transformer coil pressurizing device according to claim 5, characterized in that: Protective shields (5) are fixedly mounted on both ends of the interior of the protective top cover (4), and the protective shields (5) are located on both sides of the exterior of the magnetic core coil (3).

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