A planar transformer for a bidirectional inverter charger
The integrated dust and moisture management system for flat transformers in bidirectional inverters addresses the issue of environmental degradation, ensuring reliable operation and extended lifespan by preventing contamination and regenerating desiccants.
Patent Information
- Application Number
- CN202411123909.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2044-08-16
AI Technical Summary
In the prior art, planar transformers are susceptible to intrusion of dust and moisture in high humidity outdoors, resulting in damage to components and affecting service life.
A plane transformer including a dustproof mechanism, a dry mesh seat, a sealed regeneration seat and a adjustment mechanism is designed to filter dust through a dustproof mechanism, the dry mesh seat absorbs moisture, and the sealed regeneration seat heats and regenerates the desiccant. The adjustment mechanism ensures stable connection, achieving dustproof, moisture-proof and efficient heat dissipation.
Effectively prevent dust and moisture from entering, improve equipment reliability and durability, ensure the device's moisture-proof efficiency and connection stability, and extend service life.
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Figure CN119132792B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of planar transformers, and particularly to a planar transformer for a bidirectional inverter charger. Background Art
[0002] In a bidirectional inverter charger, a planar transformer is a key component, which is usually used for power conversion and isolation. The planar transformer plays an important role by converting the input power supply into an output voltage and current suitable for charging the battery while maintaining high efficiency and stability.
[0003] Due to the different usage environments of bidirectional inverter chargers, when used in outdoor high-humidity environments, dust and moisture are likely to enter the planar transformer, adhere and agglomerate on the surface of circuit components after adhesion, causing damage to its internal components and affecting its service life.
[0004] In summary, in the prior art, there is a lack of technology for dust and moisture prevention when a 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 deficiencies in the background art and propose a planar transformer for a bidirectional inverter charger.
[0006] To achieve the above object, the technical solution adopted by the present invention is: a planar transformer for a bidirectional inverter charger, including a bidirectional inverter charger main body, a planar transformer main body is installed in the bidirectional inverter charger main body, an adjusting mechanism is rotatably connected to the planar transformer main body, an auxiliary mounting seat is rotatably connected to the adjusting mechanism, a gas guide pipe is fixedly connected to the auxiliary mounting seat, a dust-proof mechanism is slidably fitted on the auxiliary mounting seat, a drying mesh seat is placed in the auxiliary mounting seat, and a sealing regeneration seat is slidably arranged in the auxiliary mounting seat.
[0007] Preferably, the adjusting mechanism includes a worm, the worm is rotatably connected to the planar transformer main body, a plurality of worm wheels are meshed and driven on both sides of the worm, the worm wheel is rotatably connected to the planar transformer main body through a universal joint A, the other end of the universal joint A is rotatably connected to an adjusting rod group, and the other end of the adjusting rod group is rotatably connected to the auxiliary mounting seat.
[0008] Preferably, one end of the gas guide pipe is fixedly connected to a corrugated pipe, the other end of the corrugated pipe is communicated with the inside of the planar transformer main body, and a heat dissipation fan is installed in the gas guide pipe.
[0009] Preferably, the dust-proof mechanism includes a moving frame which is slidably matched with an auxiliary mounting seat. One end of the moving frame is fixedly connected with an electric push rod, and the other end of the electric push rod is fixedly connected with the auxiliary mounting seat. A rotating frame is rotatably connected inside the moving frame, and a motor is fixedly installed inside the moving frame. The motor is fixedly connected with the rotating frame, and a dust-proof net is fixedly installed 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 fixedly connected with a brush rod, and the other end of the universal joint B passes through the rotating frame and extends to the outside and is fixedly connected with a movable wheel.
[0011] Preferably, a net cover is threadedly connected to the drying net seat. A stirring frame is rotatably connected through the drying net seat. A gear is fixedly connected to the outer end of the stirring frame. A positioning rod is fixedly connected to the bottom end of the drying net seat, and a pull ring is fixedly connected to the net cover.
[0012] Preferably, a gear shaft is rotatably connected inside the auxiliary mounting seat. The top end of the gear shaft is meshed and driven with a rack A connected inside the moving frame. A fixed frame is fixedly connected inside the auxiliary mounting seat. The fixed frame is movably inserted with the positioning rod. A fixed wheel is fixedly connected to one inner wall of the auxiliary mounting seat, and the fixed wheel is meshed and driven with the movable wheel.
[0013] Preferably, a contact rod is slidably matched inside the auxiliary mounting seat. One end of the contact rod is arranged in a conical structure. The contact rod is in sliding contact with the outer wall of the rotating frame. A spring is fixedly connected between the contact rod and the auxiliary mounting seat. The other end of the contact rod is fixedly connected with a pushing rack, and the pushing rack is meshed and driven with the gear.
[0014] Preferably, a rack B is fixedly connected to one inner wall of the sealing and regeneration seat close to the gear shaft. The rack B is meshed and driven with the bottom end of the gear shaft. A plurality of electric heating wires are installed inside the sealing and regeneration seat, and a heat insulation layer is arranged on the bottom inner wall of the sealing and 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, by setting the dust-proof mechanism and placing desiccant in the drying net seat, it can prevent dust, moisture or other pollutants from entering the equipment interior, thereby improving the reliability and durability of the equipment;
[0017] 2. By setting the rotating frame and the brush rod, the device can regularly and automatically clean the dust-proof net to ensure the filtration efficiency. At the same time, by setting the electric heating wires, the desiccant can be heated and regenerated, and the water molecules in the saturated desiccant will be released, making the desiccant dry and effective again, ensuring the moisture-proof efficiency of the device;
[0018] 3. By setting the adjusting mechanism, it is possible to insert the auxiliary mounting seat into the bidirectional inverter charger body, thereby achieving stable connection between the planar transformer body and the bidirectional inverter charger body and reducing the looseness of the 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 according to 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 according to the present invention;
[0021] Figure 3 It is a schematic partial cross-sectional view of a planar transformer for a bidirectional inverter charger according to the present invention;
[0022] Figure 4 It is a schematic diagram of the adjusting mechanism and the air duct structure of a planar transformer for a bidirectional inverter charger according to the present invention;
[0023] Figure 5 It is a schematic expanded partial cross-sectional view of the dust-proof mechanism structure of a planar transformer for a bidirectional inverter charger according to the present invention;
[0024] Figure 6 It is a schematic expanded cross-sectional view of the drying mesh seat structure of a planar transformer for a bidirectional inverter charger according to the present invention;
[0025] Figure 7 It is a schematic diagram of the sealed regeneration seat structure of a planar transformer for a bidirectional inverter charger according to the present invention;
[0026] Figure 8 It is a schematic cross-sectional view of the auxiliary mounting seat structure of a planar transformer for a bidirectional inverter charger according to the present invention.
[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 Figures 1-8 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 fixedly connected with a corrugated pipe 501, the other end of the corrugated pipe 501 communicates with the inside of the planar transformer body 2, and a heat dissipation fan 502 is installed in the air duct 5. The model of the heat dissipation fan 502 is a DC heat dissipation fan, which realizes the heat dissipation of the planar transformer body 2.
[0032] As Figure 5 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 fixedly connected with an electric push rod 602, the other end of the electric push rod 602 is fixedly connected 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. 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 fixedly connected 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 fixedly connected with a movable wheel 609. The brush rod 607 realizes the automatic cleaning function of the dust-proof net 605.
[0034] As Figure 6 shown, a net cover 701 is threadedly connected to the drying net seat 7. A stirring frame 702 is rotatably connected through the drying net seat 7. A gear 703 is fixedly connected to the outer end of the stirring frame 702. A positioning rod 704 is fixedly connected to the bottom end of the drying net seat 7. A pull ring 705 is fixedly connected to the net cover 701. A desiccant is placed in the drying net seat 7 to realize the adsorption of moisture in the air. The stirring frame 702 realizes the stirring of the desiccant and improves the efficiency of its heating regeneration.
[0035] As Figure 8 shown, a gear shaft 401 is rotatably connected in the auxiliary mounting seat 4. The top end of the gear shaft 401 is meshed and driven with a rack A608 connected in the moving frame 601. A fixed frame 405 is fixedly connected in the auxiliary mounting seat 4. The fixed frame 405 is movably inserted with the positioning rod 704. A fixed wheel 406 is fixedly connected to one inner wall of the auxiliary mounting seat 4. The fixed wheel 406 is meshed and driven with the movable wheel 609. The fixed wheel 406 realizes the self-rotation function of the brush rod 607. The gear shaft 401 realizes driving the movement of the seal regeneration seat 8 while the dust-proof 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 foregoing has shown and described 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 by the above embodiments, and what is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of protection required by the present invention is defined by the appended claims and their equivalents.
Claims
1. A planar transformer for a bidirectional inverter charger, comprising a bidirectional inverter charger main 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 connected and fixed to the auxiliary mounting seat (4); a dust prevention mechanism (6) is slidably matched to the auxiliary mounting seat (4); a drying net seat (7) is placed in the auxiliary mounting seat (4); a sealing regeneration seat (8) is slidably arranged in the auxiliary mounting seat (4); a rack B (801) is connected and fixed to an inner wall of one side of the sealing regeneration seat (8); a plurality of electric heating wires (802) are installed in the sealing regeneration seat (8); and a heat insulation layer is arranged on the inner wall of the bottom end of the sealing regeneration seat (8).
2. The planar transformer for a bidirectional inverter charger according to claim 1, wherein: 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), one side of the worm wheel (302) being rotatably connected to the planar transformer body (2), the other side of the worm wheel (302) being connected and fixedly arranged with a universal joint A (303), the other end of the universal joint A (303) being connected and fixedly arranged with an adjustment rod group (304), and one end of the adjustment rod group (304) being rotatably connected to the 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), the movable frame (601) being arranged in sliding cooperation with the auxiliary mounting seat (4), one end of the movable frame (601) being connected and fixed with an electric push rod (602), the other end of the electric push rod (602) being connected and fixed with the auxiliary mounting seat (4), a rotating frame (603) being rotatably connected inside the movable frame (601), a motor (604) being fixedly installed inside the movable frame (601), the motor (604) being connected and fixedly installed with the rotating frame (603), and a dustproof net (605) being fixedly installed 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. The planar transformer for bidirectional inverter charger according to claim 5, wherein: The drying net seat (7) is threadedly connected to a net cover (701), 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).
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), the gear shaft (401) is meshed with a rack B (801) for transmission, 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), 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 an outer wall of a 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 push rack (404); the push rack (404) is meshed with a gear (703) for transmission.
Citation Information
Patent Citations
Dehumidifying and dustproof transformer
CN117316580A
Power transformer with moisture-proof and dust-proof mechanism
CN216250246U