Planar transformer for bidirectional inversion charger

Abstract

The invention relates to the technical field of planar transformers, in particular to a planar transformer for a bidirectional inversion charger, which comprises a bidirectional inversion charger main body, a planar transformer main body is mounted in the bidirectional inversion charger main body, an adjusting mechanism is rotatably connected to the planar transformer main body, and an auxiliary mounting seat is rotatably connected to the adjusting mechanism. An air guide pipe is fixedly connected to the auxiliary mounting seat, a dustproof mechanism is arranged on the auxiliary mounting seat in a sliding fit mode, a drying net seat is arranged in the auxiliary mounting seat, and a sealing regeneration seat is arranged in the auxiliary mounting seat in a sliding mode. And dust, moisture or other pollutants can be prevented from entering the equipment, so that the reliability and durability of the equipment are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of planar transformers, and in particular to a planar transformer for a bidirectional inverter charger. Background Art

[0002] In bidirectional inverter chargers, planar transformers are a key component, which are usually used for power conversion and isolation. Planar transformers play an important role by transforming the input power to an output voltage and current suitable for charging batteries while maintaining high efficiency and stability.

[0003] Due to the different use environments of bidirectional inverter chargers, when used in outdoor high-humidity environments, dust and moisture can easily enter the planar transformer, adhere to the surface of circuit components, and cause damage to its internal components, affecting its service life.

[0004] In summary, the prior art lacks a technology for preventing dust and moisture when the planar transformer is used in an outdoor high humidity environment. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a planar transformer for a bidirectional inverter charger.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is: a planar transformer for a bidirectional inverter charger, comprising a bidirectional inverter charger main body, a planar transformer main body installed in the bidirectional inverter charger main body, an adjustment mechanism rotatably connected to the planar transformer main body, an auxiliary mounting seat rotatably connected to the adjustment mechanism, an air duct connected and fixed to the auxiliary mounting seat, a dustproof mechanism slidably fitted on the auxiliary mounting seat, a drying mesh seat placed in the auxiliary mounting seat, and a sealed regeneration seat slidably arranged in the auxiliary mounting seat.

[0007] Preferably, the adjustment mechanism includes a worm, which is rotatably connected to the planar transformer body, and multiple worm wheels are meshingly arranged on both sides of the worm. The worm wheel is rotatably connected to the planar transformer body through a universal joint A, and the other end of the universal joint A is rotatably connected to an adjustment rod group, and the other end of the adjustment rod group is rotatably connected to the auxiliary mounting seat.

[0008] Preferably, one end of the air duct is connected and fixed with a bellows, the other end of the bellows is communicated with the interior of the planar transformer body, and a heat dissipation fan is installed in the air duct.

[0009] Preferably, the dust-proof mechanism includes a movable frame, which is slidably matched with the auxiliary mounting seat, one end of the movable frame is connected and fixed with an electric push rod, the other end of the electric push rod is connected and fixed with the auxiliary mounting seat, a rotating frame is rotatably connected inside the movable frame, a motor is installed and fixed inside the movable frame, the motor is connected and fixed to the rotating frame, and a dust-proof net is installed and fixed inside the rotating frame.

[0010] Preferably, a universal joint B is rotatably connected inside the rotating frame, one end of the universal joint B is connected and fixed to a brush rod, and the other end of the universal joint B passes through the rotating frame, extends to the outside and is connected and fixed to a movable wheel.

[0011] Preferably, a mesh cover is threadedly connected to the drying mesh seat, a stirring frame is rotatably connected to the drying mesh seat, a gear is connected and fixed to the outer end of the stirring frame, a positioning rod is connected and fixed to the bottom end of the drying mesh seat, and a pull ring is connected and fixed to the mesh cover.

[0012] Preferably, a gear shaft is rotatably connected inside the auxiliary mounting seat, and the top end of the gear shaft is meshed with a rack A connected inside the movable frame for transmission. A fixed frame is connected and fixed inside the auxiliary mounting seat, and the fixed frame is movably plugged into the positioning rod. A fixed wheel is connected and fixed to the inner wall of one side of the auxiliary mounting seat, and the fixed wheel is meshed with the movable wheel for transmission.

[0013] Preferably, a contact rod is slidably fitted inside the auxiliary mounting seat, one end of the contact rod is arranged in a conical structure, the contact rod is arranged in sliding contact with the outer wall of the rotating frame, a spring is connected and fixed between the contact rod and the auxiliary mounting seat, the other end of the contact rod is connected and fixed with a pushing rack, and the pushing rack is meshed with a gear for transmission.

[0014] Preferably, a rack B is connected and fixed to the inner wall of one side of the sealing regeneration seat close to the gear shaft, and the rack B is meshed with the bottom end of the gear shaft for transmission. Multiple electric heating wires are installed in the sealing regeneration seat, and an insulation layer is provided on the inner wall of the bottom end of the sealing regeneration seat.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. When the planar transformer is used outdoors or in a high humidity environment, dust, moisture or other pollutants can be prevented from entering the equipment by setting up a dustproof mechanism and placing a desiccant in the drying mesh seat, thereby improving the reliability and durability of the equipment;

[0017] 2. By setting a rotating frame and a brush rod, the device can automatically clean the dust screen regularly to ensure the filtering efficiency. At the same time, by setting an electric heating wire, the desiccant can be heated and regenerated to release the water molecules in the saturated desiccant, making the desiccant dry and effective again, ensuring the moisture-proof efficiency of the device;

[0018] 3. By setting up the adjustment mechanism, the auxiliary mounting seat can be inserted into the main body of the bidirectional inverter charger, thereby achieving a stable connection between the planar transformer main body and the bidirectional inverter charger main body and reducing loose connection caused by vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a planar transformer for a bidirectional inverter charger of the present invention;

[0020] Figure 2 It is a schematic cross-sectional view of the overall structure of a planar transformer for a bidirectional inverter charger of the present invention;

[0021] Figure 3 It is a partial structural cross-sectional schematic diagram of a planar transformer for a bidirectional inverter charger of the present invention;

[0022] Figure 4 It is a schematic diagram of the adjustment mechanism and air guide tube structure of a planar transformer for a bidirectional inverter charger of the present invention;

[0023] Figure 5 It is a partial cross-sectional expansion schematic diagram of a dust prevention mechanism structure of a planar transformer for a bidirectional inverter charger according to the present invention;

[0024] Figure 6 It is a cross-sectional expansion schematic diagram of a drying mesh base structure of a planar transformer for a bidirectional inverter charger according to the present invention;

[0025] Figure 7 This is a schematic diagram of the structure of a sealed regeneration seat of a planar transformer for a bidirectional inverter charger according to the present invention;

[0026] Figure 8 The present invention is a schematic cross-sectional view of an auxiliary mounting seat structure of a planar transformer for a bidirectional inverter charger.

[0027] 1. Bidirectional inverter charger body; 2. Planar transformer body; 3. Adjustment mechanism; 4. Auxiliary mounting seat; 5. Air duct; 6. Dust-proof mechanism; 7. Drying net seat; 8. Sealed regeneration seat; 301. Worm; 302. Worm wheel; 303. Universal joint A; 304. Adjustment rod group; 501. Bellows; 502. Cooling fan; 601. Moving frame; 602. Electric push rod; 603. Rotating frame; 604. Motor ; 605, dust net; 606, universal joint B; 607, brush rod; 608, rack A; 609, movable wheel; 701, net cover; 702, stirring frame; 703, gear; 704, positioning rod; 705, pull ring; 401, gear shaft; 402, contact rod; 403, spring; 404, push rack; 405, fixed frame; 406, fixed wheel; 801, rack B; 802, electric heating wire. DETAILED DESCRIPTION

[0028] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0029] like Figure 1-Figure 8 A planar transformer for a bidirectional inverter charger is shown, comprising a bidirectional inverter charger body 1, a planar transformer body 2 is installed in the bidirectional inverter charger body 1, an adjustment mechanism 3 is rotatably connected to the planar transformer body 2, an auxiliary mounting seat 4 is rotatably connected to the adjustment mechanism 3, an air guide tube 5 is connected and fixed to the auxiliary mounting seat 4, a dustproof mechanism 6 is slidably matched on the auxiliary mounting seat 4, a drying net seat 7 is placed in the auxiliary mounting seat 4, and a sealed regeneration seat 8 is slidably arranged in the auxiliary mounting seat 4. The model of the planar transformer body 2 is the EFD series PCB transformer, which is usually used on circuit boards, especially some small power supply or signal isolation applications. Their secondary windings and main windings are arranged in the same plane through specific interlayer insulation, and are usually installed by surface mounting technology (SMT). The working principle is similar to that of a traditional transformer, which mainly changes the size of the input voltage and the size of the output voltage through the principle of electromagnetic induction.

[0030] like Figure 4 As shown, the adjustment mechanism 3 includes a worm 301, which is rotatably connected to the planar transformer body 2, and a plurality of worm wheels 302 are arranged on both sides of the worm 301 for meshing transmission. The worm wheel 302 is rotatably connected to the planar transformer body 2 through a universal joint A303, and the other end of the universal joint A303 is rotatably connected to an adjustment rod group 304, and the other end of the adjustment rod group 304 is rotatably connected to the auxiliary mounting seat 4. The adjustment rod group 304 realizes the installation and fixation of the auxiliary mounting seat 4.

[0031] like Figure 4As shown, one end of the air duct 5 is connected and fixed with a bellows 501, and the other end of the bellows 501 is connected to the inside of the planar transformer body 2. A cooling fan 502 is installed in the air duct 5. The cooling fan 502 is a DC cooling fan, which realizes heat dissipation of the planar transformer body 2.

[0032] like Figure 5 As shown, the dust-proof mechanism 6 includes a moving frame 601, the moving frame 601 is slidably matched with the auxiliary mounting seat 4, one end of the moving frame 601 is connected and fixed with an electric push rod 602, the other end of the electric push rod 602 is connected and fixed with the auxiliary mounting seat 4, a rotating frame 603 is rotatably connected in the moving frame 601, a motor 604 is fixedly installed in the moving frame 601, the motor 604 is fixedly connected with the rotating frame 603, and a dust-proof net 605 is fixedly installed in the rotating frame 603. The dust-proof net 605 realizes the filtration of dust in the air.

[0033] A universal joint B606 is rotatably connected in the rotating frame 603 , one end of the universal joint B606 is connected and fixed with a brush rod 607 , and the other end of the universal joint B606 passes through the rotating frame 603 and extends to the outside and is connected and fixed with a movable wheel 609 . The brush rod 607 realizes the automatic cleaning effect on the dustproof net 605 .

[0034] like Figure 6 As shown, a net cover 701 is threadedly connected to the drying net seat 7, a stirring frame 702 is rotatably connected to the drying net seat 7, a gear 703 is connected and fixed to the outer end of the stirring frame 702, a positioning rod 704 is connected and fixed to the bottom end of the drying net seat 7, and a pull ring 705 is connected and fixed to the net cover 701. A desiccant is placed in the drying net seat 7 to absorb moisture in the air, and the stirring frame 702 stirs the desiccant to improve its heating and regeneration efficiency.

[0035] like Figure 8 As shown, a gear shaft 401 is rotatably connected in the auxiliary mounting seat 4, and the top of the gear shaft 401 is meshed with the rack A608 connected in the moving frame 601 for transmission. A fixed frame 405 is connected and fixed in the auxiliary mounting seat 4, and the fixed frame 405 is movably plugged with the positioning rod 704. A fixed wheel 406 is connected and fixed to the inner wall of one side of the auxiliary mounting seat 4, and the fixed wheel 406 is meshed with the movable wheel 609 for transmission. The fixed wheel 406 realizes the self-rotation of the brush rod 607, and the gear shaft 401 realizes the movement of the sealing regeneration seat 8 while the dustproof mechanism 6 moves.

[0036] A contact rod 402 is slidably fitted in the auxiliary mounting seat 4, one end of the contact rod 402 is provided in a conical structure, the contact rod 402 is provided in sliding contact with the outer wall of the rotating frame 603, a spring 403 is connected and fixed between the contact rod 402 and the auxiliary mounting seat 4, and a push rack 404 is connected and fixed at the other end of the contact rod 402, and the push rack 404 is meshed and transmitted with the gear 703. The spring 403 realizes the automatic reset of the contact rod 402, so that the push rack 404 drives the stirring frame 702 to rotate and stir the desiccant.

[0037] like Figure 7 As shown, a rack B801 is connected and fixed to the inner wall of one side of the sealed regeneration seat 8 close to the gear shaft 401, and the rack B801 is meshed with the bottom end of the gear shaft 401 for transmission. A plurality of electric heating wires 802 are installed in the sealed regeneration seat 8, and a heat insulation layer is provided on the inner wall of the bottom end of the sealed regeneration seat 8. The material of the heat insulation layer is silica gel: it is used for heat insulation in high temperature environments and heat insulation filling of electronic equipment, and the heat insulation layer prevents heat from entering the planar transformer body 2.

[0038] When the planar transformer body 2 is installed in the bidirectional inverter charger body 1, the worm 301 is rotated so that the worm 301 drives the worm wheel 302 to rotate, thereby driving the adjustment rod group 304 connected to the universal joint A303 to rotate, thereby driving the auxiliary mounting seat 4 to be inserted into the bidirectional inverter charger body 1, so as to realize the installation and fixation of the planar transformer body 2;

[0039] When the planar transformer body 2 is cooled, the cooling fan 502 is used to generate suction to draw in external air. At this time, the external air is filtered through the dustproof net 605, and dehumidified by the desiccant, and then injected into the planar transformer body 2 through the bellows 501 for cooling;

[0040] When the dust screen 605 needs to be cleaned, the electric push rod 602 is used to drive the movable frame 601 to move to one side, and then the motor 604 is used to drive the rotating frame 603 to rotate. At this time, under the action of the fixed wheel 406, the movable wheel 609 drives the brush rod 607 connected to the universal joint B606 to rotate, so as to clean the attachments on the dust screen 605;

[0041] At the same time, when the moving frame 601 moves, the gear shaft 401 will be driven to rotate through the rack A608. At this time, the gear shaft 401 will drive the sealing regeneration seat 8 connected to the rack B801 to seal the vent of the auxiliary mounting seat 4, and then use the electric heating wire 802 to generate heat to heat and regenerate the desiccant in the drying net seat 7. At the same time, when the rotating frame 603 rotates, the contact rod 402 will be squeezed with the cooperation of the spring 403, so that the contact rod 402 drives the pushing rack 404 to move, so that the pushing rack 404 will drive the stirring frame 702 connected to the gear 703 to rotate, stir the desiccant, make the desiccant evenly heated, and ensure the regeneration efficiency.

[0042] 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 only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A planar transformer for a bidirectional inverter charger, comprising a bidirectional inverter charger body (1), characterized in that: A planar transformer body (2) is installed in the bidirectional inverter charger body (1); an adjustment mechanism (3) is rotatably connected to the planar transformer body (2); an auxiliary mounting seat (4) is rotatably connected to the adjustment mechanism (3); an air guide pipe (5) is fixedly connected to the auxiliary mounting seat (4); a dustproof mechanism (6) is slidably matched to the auxiliary mounting seat (4); a drying net seat (7) is placed in the auxiliary mounting seat (4); and a sealing regeneration seat (8) is slidably arranged in the auxiliary mounting seat (4).

2. A planar transformer for a bidirectional inverter charger according to claim 1, characterized in that: The adjustment mechanism (3) comprises a worm (301), the worm (301) being rotatably connected to the planar transformer body (2), a plurality of worm wheels (302) being meshingly arranged on both sides of the worm (301), the worm wheels (302) being rotatably connected to the planar transformer body (2) via a universal joint A (303), the other end of the universal joint A (303) being rotatably connected to an adjustment rod group (304), and the other end of the adjustment rod group (304) being rotatably connected to an auxiliary mounting seat (4).

3. A planar transformer for a bidirectional inverter charger according to claim 1, characterized in that: One end of the air guide tube (5) is connected and fixedly connected to a bellows (501), the other end of the bellows (501) is in communication with the interior of the planar transformer body (2), and a heat dissipation fan (502) is installed in the air guide tube (5).

4. A planar transformer for a bidirectional inverter charger according to claim 1, characterized in that: The dustproof mechanism (6) comprises a movable frame (601), wherein the movable frame (601) is slidably matched with the auxiliary mounting seat (4), one end of the movable frame (601) is connected and fixed with an electric push rod (602), and the other end of the electric push rod (602) is connected and fixed with the auxiliary mounting seat (4), a rotating frame (603) is rotatably connected inside the movable frame (601), a motor (604) is installed and fixed inside the movable frame (601), the motor (604) is connected and fixed with the rotating frame (603), and a dustproof net (605) is installed and fixed inside the rotating frame (603).

5. A planar transformer for a bidirectional inverter charger according to claim 4, characterized in that: A universal joint B (606) is rotatably connected inside the rotating frame (603), one end of the universal joint B (606) is connected and fixed to a brush rod (607), and the other end of the universal joint B (606) passes through the rotating frame (603) and extends to the outside and is connected and fixed to a movable wheel (609).

6. A planar transformer for a bidirectional inverter charger according to claim 5, characterized in that: The drying net seat (7) is threadedly connected with a net cover (701), the drying net seat (7) is penetrated by a stirring frame (702) which is rotatably connected, the outer end of the stirring frame (702) is connected and fixed with a gear (703), the bottom end of the drying net seat (7) is connected and fixed with a positioning rod (704), and the net cover (701) is connected and fixed with a pull ring (705).

7. A planar transformer for a bidirectional inverter charger according to claim 6, characterized in that: A gear shaft (401) is rotatably connected inside the auxiliary mounting seat (4), and the top end of the gear shaft (401) is meshed with a rack A (608) connected inside the movable frame (601) for transmission. A fixed frame (405) is connected and fixed inside the auxiliary mounting seat (4), and the fixed frame (405) is movably plugged with a positioning rod (704). A fixed wheel (406) is connected and fixed to an inner wall of one side of the auxiliary mounting seat (4), and the fixed wheel (406) is meshed with a movable wheel (609) for transmission.

8. A planar transformer for a bidirectional inverter charger according to claim 7, characterized in that: A contact rod (402) is slidably engaged in the auxiliary mounting seat (4); one end of the contact rod (402) is provided in a conical structure; the contact rod (402) is provided in sliding contact with the outer wall of the rotating frame (603); a spring (403) is connected and fixed between the contact rod (402) and the auxiliary mounting seat (4); the other end of the contact rod (402) is connected and fixed with a pushing rack (404); the pushing rack (404) is meshed with the gear (703) for transmission.

9. A planar transformer for a bidirectional inverter charger according to claim 8, characterized in that: A rack B (801) is connected and fixed to the inner wall of one side of the sealing regeneration seat (8) close to the gear shaft (401), and the rack B (801) is meshed with the bottom end of the gear shaft (401) for transmission. A plurality of electric heating wires (802) are installed in the sealing regeneration seat (8), and a heat insulation layer is provided on the inner wall of the bottom end of the sealing regeneration seat (8).

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