High-isolation electronic transformer

Abstract

The utility model provides a high-isolation electronic transformer which comprises a winding reel, a coil is wound outside the winding reel, mounting blocks are fixedly mounted on the surfaces of the two sides of the winding reel, pins are connected into the mounting blocks, and a first iron core and a second iron core are arranged on the two sides of the winding reel correspondingly; a heat dissipation mechanism is arranged on the surface of the winding reel, and a connecting mechanism is arranged between the first iron core and the second iron core. Through the use of the heat dissipation mechanism and the combination of the heat conduction plate and the heat dissipation fins, heat generated by the winding reel and the coil in the working process is rapidly conducted and dissipated out, the heat conduction plate is tightly attached to the surface of the winding reel and effectively absorbs the heat, the heat is further transmitted to the surrounding environment through the heat dissipation fins evenly distributed on the heat conduction plate, and meanwhile the heat dissipation effect is improved. Due to the design of the slotted holes in the heat dissipation mechanism, the heat dissipation area is increased, air circulation is promoted, and the heat dissipation efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related field of electronic transformer, specifically, high isolation electronic transformer. BACKGROUND

[0002] Electronic transformer is a kind of key power conversion equipment, it realizes voltage, current effective transformation and regulation using electronic technology. Through high-frequency switching technology, electronic transformer can efficiently convert input electric energy into required output voltage and current, has the advantages such as small size, light weight, high efficiency, stable performance.

[0003] The prior art disclosed in patent publication (announcement) No. CN218769035U discloses a high isolation electronic transformer, including wang-shaped framework, input coil wound in the wire slot on one side of wang-shaped framework and silicon steel sheet set on the outside of input coil and output coil in the wire slot on the other side, magnetic conductive material set in the core of wang-shaped framework, needle pin slidably sleeved on one side of wang-shaped framework, and the inside of wang-shaped framework on the upper side of needle pin is provided with a movable notch.

[0004] The high isolation electronic transformer disclosed in the above patent document can solve the problem that the needle pin shape configured on the existing high isolation electronic transformer is relatively long, the needle pin is easy to bend and damage during use or taking and transportation, and is inconvenient to replace.

[0005] The existing electronic transformer does not have the function of heat dissipation, and if the heat dissipation cannot be realized in time, the temperature may be increased, and then the working efficiency, stability and service life of the electronic transformer are affected.

[0006] Therefore, we improve it and propose a high isolation electronic transformer. CONTENT OF THE UTILITY MODEL

[0007] In view of the deficiencies of the prior art, the utility model provides a high isolation electronic transformer, which solves the problems mentioned in the background art.

[0008] In order to realize the above-mentioned utility model purposes, the utility model provides the following technical scheme:

[0009] High isolation electronic transformer, to solve the above problems.

[0010] The application is as follows:

[0011] The application relates to a winding drum, which is externally wound with a coil, and the two side surfaces of the winding drum are fixedly provided with mounting blocks, the interiors of the mounting blocks are connected with pins, the two sides of the winding drum are respectively provided with a first iron core and a second iron core, the surface of the winding drum is provided with a heat dissipation mechanism, and the first iron core and the second iron core are provided with a connecting mechanism.

[0012] The heat dissipation mechanism comprises a plurality of slot holes which are evenly arranged on the circumferential surface of the winding drum, the circumferential surface of the winding drum is provided with a heat conduction plate, one side surface of the heat conduction plate is fixedly provided with a plurality of radiating fins, the plurality of radiating fins are evenly arranged in the plurality of slot holes, and the coil is wound on the surface of the heat conduction plate.

[0013] As a preferred technical scheme of the application, four clamping holes are arranged on the circumferential surface of the winding drum, one side surface of the heat conduction plate is fixedly provided with a protruding block, and the protruding block is connected with the clamping holes in a clamping mode.

[0014] As a preferred technical scheme of the application, the connecting mechanism comprises two connecting frames which are fixedly arranged on one side surface of the first iron core and the second iron core, the connecting frame is connected with the winding drum in a clamping mode, and the first iron core and the second iron core form a clamping structure with the winding drum.

[0015] As a preferred technical scheme of the application, the two side surfaces of the first iron core are fixedly provided with connecting blocks, the two side surfaces of the second iron core are provided with connecting grooves, and the connecting blocks are connected with the connecting grooves in a clamping mode.

[0016] As a preferred technical scheme of the application, the interiors of the first iron core and the connecting block are provided with sliding grooves, the upper and lower sides of the connecting block are slidably connected with sliding blocks, the inner walls of the upper and lower sides of the connecting groove are provided with clamping grooves, and one end of the sliding block is connected with the clamping groove in a clamping mode.

[0017] As a preferred technical scheme of the application, the interior of the sliding groove is fixedly provided with a fixed block, and the two side surfaces of the fixed block are fixedly provided with first springs between the upper and lower sides of the sliding blocks.

[0018] As a preferred technical scheme of the application, the interior of the sliding groove is slidably connected with a pressing block, one side surface of the pressing block is fixedly provided with two triangular blocks, one side surface of the sliding block is provided with an inclined groove, and the triangular block is connected with the inclined groove in a clamping mode.

[0019] As a preferred technical scheme of the application, the surface of the pressing block is provided with a slot, the interior of the slot is provided with a baffle, the baffle is fixedly arranged in the interior of the sliding groove, and a second spring is fixedly arranged between the inner wall of the slot and the baffle.

[0020] Compared with the prior art, the utility model has the beneficial effects of:

[0021] In the scheme of the application:

[0022] 1. By the use of the heat dissipation mechanism, the heat generated by the bobbin and the coil during work is rapidly conducted and dissipated by the combination of the heat-conducting plate and the heat dissipation fins. The heat-conducting plate is tightly attached to the surface of the bobbin, effectively absorbing heat, and further transferring heat to the surrounding environment through the evenly distributed heat dissipation fins. At the same time, the slot design in the heat dissipation mechanism not only increases the heat dissipation area, but also promotes air circulation, further improving the heat dissipation efficiency.

[0023] 2. By the use of the connecting mechanism, the first iron core and the second iron core can be easily and stably combined with the bobbin. During installation, the clamping of the connecting frame with the bobbin, the close fit of the connecting block with the connecting slot, and the stable locking of the sliding block in the clamping slot together ensure the integrity and stability of the electronic transformer structure. When disassembly is needed, only simple operation is required to quickly separate the components through the connecting mechanism, without the need for complex tools or cumbersome steps, improving the practicality of the transformer. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure diagram of the utility model;

[0025] Figure 2 It is a three-dimensional structure diagram of the heat dissipation mechanism of the utility model;

[0026] Figure 3 It is a three-dimensional structure diagram of the connecting mechanism of the utility model;

[0027] Figure 4 It is a structure diagram of the connecting mechanism section of the utility model.

[0028] Indicated in the figure:

[0029] 1, bobbin; 2, coil; 3, mounting block; 4, pin; 5, first iron core; 6, second iron core; 7, heat dissipation mechanism; 701, slot; 702, heat-conducting plate; 703, heat dissipation fin; 704, clamping hole;

[0030] 705, protrusion; 8, connecting mechanism; 801, connecting frame; 802, connecting block; 803, connecting slot; 804, sliding slot; 805, sliding block; 806, clamping slot; 807, fixed block; 808, first spring; 809, pressing block; 810, triangular block; 811, inclined slot; 812, slot; 813, baffle; 814, second spring. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described examples are part of the embodiments of the present application, rather than all the embodiments.

[0032] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed present application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0033] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0034] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0035] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the product of the present application is used, or the orientation or position relationship commonly understood by those skilled in the art, such terms are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0036] To solve the technical problems in the background art, the following high-isolation electronic transformer is given:

[0037] In combination with Figure 1 - Figure 4The utility model provides a high isolation electronic transformer, including the bobbin 1, the outside winding of bobbin 1 has the coil 2, and the both sides surface of bobbin 1 is fixedly installed with the mounting block 3, and the inside connection of mounting block 3 has the pin 4, and the both sides of bobbin 1 are provided with first iron core 5 and second iron core 6 respectively, and the surface of bobbin 1 is provided with heat dissipation mechanism 7, and is provided with connecting mechanism 8 between first iron core 5 and second iron core 6, heat dissipation mechanism 7 includes slot hole 701, and slot hole 701 is provided with several, and several slot holes 701 are evenly arranged on the surface of the periphery of bobbin 1, and the surface of the periphery of bobbin 1 is provided with heat conduction plate 702, and the side surface of heat conduction plate 702 is fixedly installed with several radiating fins 703, and several radiating fins 703 are evenly arranged in several slot holes 701, and the surface of heat conduction plate 702 is wound with coil 2.

[0038] In the embodiment: the periphery of bobbin 1 is evenly provided with a plurality of slot holes 701, these slot holes 701 not only increase the heat dissipation area, but also promote air circulation, the periphery of bobbin 1 is tightly wrapped by heat conduction plate 702, and a plurality of radiating fins 703 are fixedly installed on heat conduction plate 702, these radiating fins 703 are arranged in slot hole 701, forming an efficient heat dissipation channel, coil 2 is directly wound on the surface of heat conduction plate 702, ensuring that heat can be quickly conducted to radiating fin 703 through heat conduction plate 702, and finally dissipated to the surrounding environment, which can improve the heat dissipation efficiency of electronic transformer, effectively prevent performance degradation and life shortening caused by high temperature, and ensure long-term stable operation of the equipment.

[0039] Reference Figure 2 On the basis of the above embodiment, in order to facilitate the installation of heat conduction plate 702, the present embodiment is designed as follows:

[0040] As a preferred embodiment, four clamping holes 704 are arranged on the surface of the periphery of bobbin 1, and a protrusion 705 is fixedly installed on one side surface of heat conduction plate 702, and the connection mode of protrusion 705 and clamping hole 704 is clamping connection.

[0041] In the embodiment: the periphery surface of bobbin 1 is evenly provided with four clamping holes 704, and the side of heat conduction plate 702 is fixedly installed with protrusion 705 matched with clamping hole 704. When installing heat conduction plate 702, only need to align protrusion 705 with clamping hole 704 and gently push in, the quick and stable connection of heat conduction plate and bobbin can be realized.

[0042] Reference Figure 1 - Figure 3 On the basis of the above embodiment, in order to install first iron core 5 and second iron core 6 with bobbin 1, the present embodiment is designed as follows:

[0043] As a preferred implementation, the connecting mechanism 8 comprises connecting frames 801, and two connecting frames 801 are arranged on the side surfaces of the first iron core 5 and the second iron core 6, and the connecting frames 801 are connected to the bobbin 1 in a clamping manner, and the first iron core 5 and the second iron core 6 are clamped to the bobbin 1.

[0044] In this embodiment, the connecting mechanism 8 comprises two connecting frames 801, which are fixedly arranged on the side surfaces of the first iron core 5 and the second iron core 6, and the connecting frames 801 are connected to the bobbin 1 in a clamping manner. During installation, the first iron core 5 and the second iron core 6 are aligned with the corresponding positions of the bobbin 1, and then are clamped by being pushed gently, so that the connection is fast and stable.

[0045] Reference Figure 3 and Figure 4 On the basis of the above embodiment, in order to connect the first iron core 5 and the second iron core 6, the present embodiment is designed as follows:

[0046] As a preferred implementation, the two side surfaces of the first iron core 5 are fixedly provided with connecting blocks 802, and the two side surfaces of the second iron core 6 are provided with connecting grooves 803, and the connecting blocks 802 and the connecting grooves 803 are connected in a clamping manner.

[0047] In this embodiment, the two side surfaces of the first iron core 5 are fixedly provided with connecting blocks 802, and the two side surfaces of the second iron core 6 are provided with connecting grooves 803 matched with the connecting blocks 802. During installation, the connecting blocks 802 of the first iron core 5 are accurately aligned with the connecting grooves 803 of the second iron core 6, so that the clamping connection is formed, and the first iron core 5 and the second iron core 6 are assembled conveniently.

[0048] Reference Figure 4 On the basis of the above embodiment, in order to connect the first iron core 5 and the second iron core 6, the present embodiment is designed as follows:

[0049] As a preferred implementation, the first iron core 5 and the connecting block 802 are internally provided with sliding grooves 804, the upper and lower sides of the connecting block 802 are slidably connected with sliding blocks 805, the inner walls of the upper and lower sides of the connecting groove 803 are provided with clamping grooves 806, and one end of the sliding block 805 is connected to the clamping groove 806 in a clamping manner.

[0050] In the embodiment, the first iron core 5 and the connecting block 802 are internally provided with a sliding groove 804, two sliding blocks 805 are respectively arranged on the upper and lower sides of the connecting block 802 and can freely slide along the sliding groove 804, meanwhile, the inner walls of the connecting groove 803 of the second iron core 6 are internally provided with clamping grooves 806 matched with the sliding blocks 805, when the first iron core 5 and the second iron core 6 are clamped by the connecting block 802 and the connecting groove 803, the sliding blocks 805 can slide to the positions of the clamping grooves 806 under the action of external force and are clamped and connected with the clamping grooves 806, which can provide additional fixing force, prevent the iron core from being displaced during operation and ensure the stability and reliability of the connection.

[0051] Reference Figure 4 On the basis of the above embodiment, in order to support the two sliding blocks 805 inside the sliding groove 804, the embodiment is designed as follows:

[0052] As a preferred embodiment, the sliding groove 804 is internally fixedly provided with a fixed block 807, and the two side surfaces of the fixed block 807 are fixedly provided with first springs 808 between the upper and lower sliding blocks 805.

[0053] In the embodiment, the sliding groove 804 is internally fixedly provided with the fixed block 807, the fixed block 807 is elastically supported by the first springs 808 fixedly arranged between the two side surfaces of the fixed block 807 and the upper and lower sliding blocks 805, and the first springs 808 can abut against the sliding blocks 805 by the elastic force of the first springs 808, so that the sliding blocks 805 are in a fixed state when not subjected to external force.

[0054] Reference Figure 4 On the basis of the above embodiment, in order to move the two sliding blocks 805 on both sides when disassembling, the embodiment is designed as follows:

[0055] As a preferred embodiment, the sliding groove 804 is internally slidably connected with a pressing block 809, the one side surface of the pressing block 809 is fixedly provided with two triangular blocks 810, the one side surface of the sliding block 805 is internally provided with inclined grooves 811, and the triangular blocks 810 are clamped and connected with the inclined grooves 811.

[0056] In the embodiment, the sliding groove 804 is internally slidably connected with the pressing block 809, and the one side surface of the pressing block 809 is fixedly provided with the two triangular blocks 810, the two triangular blocks 810 are clamped and connected with the inclined grooves 811 formed in the one side surface of the sliding block 805, when the first iron core 5 and the second iron core 6 need to be disassembled, the triangular blocks 810 can slide along the inclined surfaces of the inclined grooves 811 by pressing the pressing block 809, so as to push the sliding blocks 805 to move in the sliding groove 804 until the sliding blocks 805 are disengaged from the clamping grooves 806, thereby achieving the purpose of facilitating disassembly.

[0057] ReferenceFigure 4 In order to reset after use, the present embodiment is designed as follows based on the above embodiment:

[0058] As a preferred embodiment, the surface of the press block 809 is provided with a notch 812, and the notch 812 is provided with a baffle 813 inside, and the baffle 813 is fixedly installed inside the sliding groove 804, and the second spring 814 is fixedly installed between the baffle 813 and the inner wall of the notch 812.

[0059] In the present embodiment: when the press block 809 is pressed, the second spring 814 will be compressed, and when the external force disappears, the second spring 814 will quickly release energy to push the press block 809 to slide along the sliding groove 804, achieving the purpose of resetting, and facilitating the next use.

[0060] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0061] The above embodiments are only used to illustrate the present application and are not limited to the technical solutions described in the present application. Although the present application has been described in detail with reference to the above embodiments, the present application is not limited to the above specific embodiments, and any modification or equivalent replacement of the present application; all technical solutions and improvements that do not deviate from the spirit and scope of the present application are covered in the scope of the claims of the present application.

Claims

1. High-isolation electronic transformer comprising a bobbin (1), characterized in that: The winding drum (1) is externally wound with a coil (2), and both sides of the winding drum (1) are fixedly provided with mounting blocks (3), and the mounting blocks (3) are internally connected with pins (4), both sides of the winding drum (1) are respectively provided with first and second iron cores (5, 6), the surface of the winding drum (1) is provided with a heat dissipation mechanism (7), and the first and second iron cores (5, 6) are provided with a connecting mechanism (8) therebetween. The heat dissipation mechanism (7) comprises a plurality of slot holes (701), and the plurality of slot holes (701) are evenly arranged on the surface of the winding drum (1), the surface of the winding drum (1) is provided with a plurality of heat conduction plates (702), one side surface of the heat conduction plate (702) is fixedly provided with a plurality of cooling fins (703), and the plurality of cooling fins (703) are evenly arranged in the plurality of slot holes (701), and the coil (2) is wound on the surface of the heat conduction plate (702).

2. The high-isolation electronic transformer of claim 1, wherein: The surface of the winding drum (1) is provided with four clamping holes (704), one side surface of the heat conduction plate (702) is fixedly provided with a protrusion (705), and the clamping hole (704) and the protrusion (705) are connected in a clamping manner.

3. The high-isolation electronic transformer of claim 1, wherein: The connecting mechanism (8) comprises a connecting frame (801), and the connecting frame (801) is provided with two, and the two connecting frames (801) are fixedly installed on one side surface of the first and second iron cores (5, 6), the connecting frame (801) and the winding drum (1) are connected in a clamping manner, and the first and second iron cores (5, 6) and the winding drum (1) form a clamping structure.

4. The high-isolation electronic transformer of claim 1, wherein: The first iron core (5) is fixedly provided with a connecting block (802) on both sides, and the second iron core (6) is provided with a connecting groove (803) on both sides, and the connecting block (802) and the connecting groove (803) are connected in a clamping manner.

5. The high-isolation electronic transformer of claim 4, wherein: The first iron core (5) and the connecting block (802) are internally provided with a sliding groove (804), and the upper and lower sides of the connecting block (802) are slidably connected with a sliding block (805), the upper and lower inner walls of the connecting groove (803) are provided with a clamping groove (806), and one end of the sliding block (805) and the clamping groove (806) are connected in a clamping manner.

6. The high-isolation electronic transformer of claim 5, wherein: The inner side of the sliding groove (804) is fixedly provided with a fixed block (807), and the first spring (808) is fixedly arranged between the two side surfaces of the fixed block (807) and the upper and lower sliding blocks (805).

7. The high-isolation electronic transformer of claim 5, wherein: The inner side of the sliding groove (804) is slidably connected with a pressing block (809), one side surface of the pressing block (809) is fixedly provided with two triangular blocks (810), one side surface of the sliding block (805) is provided with an inclined groove (811), and the triangular block (810) and the inclined groove (811) are connected in a clamping manner.

8. The high-isolation electronic transformer of claim 7, wherein: The surface of the block (809) is provided with a notch (812), and the inside of the notch (812) is provided with a baffle (813), and the baffle (813) is fixedly installed in the inside of the sliding groove (804), and the second spring (814) is fixedly installed between the baffle (813) and the inner wall of the notch (812).

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