CN222691590U - A two-stage LLC resonant converter - Google Patents
A two-stage LLC resonant converter Download PDFInfo
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- CN222691590U CN222691590U CN202421388802.XU CN202421388802U CN222691590U CN 222691590 U CN222691590 U CN 222691590U CN 202421388802 U CN202421388802 U CN 202421388802U CN 222691590 U CN222691590 U CN 222691590U
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- fixedly connected
- mounting plate
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- wall
- resonant converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model relates to the technical field of resonant converters and discloses a two-stage LLC resonant converter which comprises a mounting plate, wherein a hollow plate is fixedly connected to the rear side of the inner wall of the mounting plate, spring telescopic rods are fixedly connected to the left side and the right side of the inner wall of the hollow plate, hollow blocks are fixedly connected to telescopic ends of the spring telescopic rods, electric bidirectional telescopic rods are fixedly connected between adjacent hollow blocks, telescopic plates are rotatably connected to the upper side and the lower side of the inner wall of the hollow blocks, connecting blocks are fixedly connected to the outer side of the telescopic plates, and grooves are formed in the periphery of the front side of the outer wall of the hollow plate. According to the utility model, through the coordination among the electric bidirectional telescopic rod, the hollow block and the telescopic plate, the effective fixation of the converters with different specifications can be ensured, and through the coordination among the air pump, the filter screen and the hinge, the filter screen can be easily detached when the equipment dissipates heat, so that the filter screen is convenient to replace in time.
Description
Technical Field
The utility model relates to the technical field of resonant converters, in particular to a two-stage LLC resonant converter.
Background
The two-stage LLC resonant converter is a high-efficiency power converter, is generally used in the design of direct current and direct current converters, combines the characteristics of LLC resonant topology, and realizes more efficient power conversion and wider input voltage range through the structure of a two-stage circuit.
Through retrieval, china patent publication No. CN209516904U discloses a two-stage LLC resonant converter, including two-stage LLC resonant converter main part, the lower extreme of two-stage LLC resonant converter main part is connected with a plurality of pins, circuit mainboard body has been placed to the downside of two-stage LLC resonant converter main part, connect through a plurality of pins between two-stage LLC resonant converter main part and the circuit mainboard body, the upside of two-stage LLC resonant converter main part is connected with the cooling fan body, the cutting has a pair of spacing spout on the lateral wall of two-stage LLC resonant converter main part, all be connected with spacing slide bar between the lateral wall of two spacing spouts, peg graft on the spacing slide bar and have spacing slider, be connected with compression spring between spacing slide bar's the upper lateral wall, can realize easily protecting the stitch of second-hand second-stage LLC resonant converter, make it be difficult for taking place to damage in the in-process of carrying and transporting, be difficult to influence the follow-up use of second-up second-hand second-stage LLC resonant converter, but the device can not give when in actual use, fix the converter of different specifications, thereby the practicality of device has been reduced.
Disclosure of utility model
In order to overcome the defects, the utility model provides a two-stage LLC resonant converter, which aims to solve the problem that the converters with different specifications cannot be protected in the prior art.
In order to achieve the purpose, the two-stage LLC resonant converter comprises a mounting plate, wherein a hollow plate is fixedly connected to the rear side of the inner wall of the mounting plate, spring telescopic rods are fixedly connected to the left side and the right side of the inner wall of the hollow plate, hollow blocks are fixedly connected to telescopic ends of the spring telescopic rods, electric bidirectional telescopic rods are fixedly connected between adjacent hollow blocks, telescopic plates are fixedly connected to the upper side and the lower side of the inner wall of each hollow block in a rotating mode, connecting blocks are fixedly connected to the outer sides of the telescopic plates, grooves are formed in the periphery of the front side of the outer wall of each hollow plate, fixing clips penetrate through the grooves in a rotating mode, and cleaning mechanisms are arranged on the outer sides of the mounting plate.
Through the technical scheme, the effective fixation of the converters with different specifications can be ensured.
As a further description of the above technical solution:
The front side of mounting panel is provided with the dodge gate, the equal fixedly connected with hinge in outer wall left and right sides of dodge gate, the dodge gate pass through the hinge with the mounting panel rotates to be connected, the front and back side of hinge all rotates to be connected with the stopper, the inner wall top fixedly connected with filter screen of mounting panel, the equal fixedly connected with jack-in groove in front and back side of filter screen, the jack-in groove with stopper looks block, the top right side fixedly connected with air pump of mounting panel, the output of air pump runs through the mounting panel.
Through above-mentioned technical scheme, can easily dismantle the filter screen in time change of being convenient for when dispelling the heat to equipment.
As a further description of the above technical solution:
The outer wall of the hollow slab is fixedly connected with a bracket around, the outer side of the bracket is fixedly connected with a connecting plate, and the rear side of the connecting plate is fixedly connected with the mounting plate.
Through the technical scheme, the firmness of fixation between the hollow plate and the mounting plate can be improved.
As a further description of the above technical solution:
The top left side fixedly connected with controller of mounting panel, the controller respectively with electronic two-way telescopic link and air pump electric connection.
Through the technical scheme, the starting of the electric bidirectional telescopic rod and the air pump can be controlled respectively.
As a further description of the above technical solution:
The outside fixedly connected with shell of controller, the outside of shell rotates and is connected with the guard shield.
Through the technical scheme, the protection capability of the controller can be improved.
As a further description of the above technical solution:
The inner side of the groove is provided with a sliding groove, and the outer side of the fixing clamp is in sliding connection with the sliding groove.
Through the technical scheme, the stability of the fixing clamp in moving can be improved.
As a further description of the above technical solution:
the front side of the movable door is fixedly connected with a handle, and the outer side of the handle is fixedly connected with a sheath.
Through the technical scheme, the device can be conveniently moved and carried.
As a further description of the above technical solution:
The outer wall of mounting panel all is fixedly connected with a plurality of locating pieces all around, and is a plurality of the locating piece the locating hole has all been seted up in the outside, the reservation groove has all been seted up to the bottom left and right sides of mounting panel, two the inboard of reservation groove is all rotated and is connected with the flabellum.
Through the technical scheme, the device can be conveniently fixed, and the heat dissipation effect of the device is improved.
The utility model has the following beneficial effects:
1. According to the utility model, the hollow block can move left and right by starting the electric bidirectional telescopic rod, meanwhile, the elastic potential energy of the spring telescopic rod enables the hollow block to stretch, the hollow block moves to drive the telescopic plate and the connecting block on the telescopic plate to stretch and rotate along the groove, so that the clamping equipment is fixed, and in addition, the effective fixation of converters with different specifications can be ensured by the stretching of the spring telescopic rod and the protection design of the mounting plate, and meanwhile, necessary protection functions are provided, so that the practicability of the device is improved.
2. According to the utility model, the air pump is started, the air flow is guided into the device to promote heat dissipation, in the process, dust is intercepted and accumulated at the top of the filter screen, the device is provided with the hinge opening and closing movable door, so that cleaning and maintenance operations are facilitated, and when the movable door is opened, the clamping of the limiting plate and the inserting groove is simultaneously released, so that the filter screen can be easily detached, and the filter screen is convenient to replace in time, thereby improving the convenience of the device.
Drawings
FIG. 1 is a perspective view of a two-stage LLC resonant converter according to the present utility model;
FIG. 2 is a schematic diagram of a hollow slab structure of a two-stage LLC resonant converter according to the present utility model;
Fig. 3 is a schematic diagram of a cleaning mechanism of a two-stage LLC resonant converter according to the utility model.
Legend description:
1. mounting plate, 2, cleaning mechanism, 201, movable door, 202, hinge, 203, limiting block, 204, air pump, 205, filter screen, 206, inserting slot, 3, hollow plate, 4, spring expansion link, 5, hollow block, 6, electric bidirectional expansion link, 7, expansion plate, 8, connecting block, 9, fixing clip, 10, groove, 11, bracket, 12, connecting plate, 13, chute, 14, handle, 15, sheath, 16, positioning block, 17, positioning hole, 18, reserved slot, 19, fan blade, 20, controller, 21, housing, 22 and shield.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the two-stage LLC resonant converter comprises a mounting plate 1, wherein a hollow plate 3 is fixedly connected to the rear side of the inner wall of the mounting plate 1, a spring telescopic rod 4 is fixedly connected to the left side and the right side of the inner wall of the hollow plate 3, a hollow block 5 is fixedly connected to the telescopic end of the spring telescopic rod 4, an electric bidirectional telescopic rod 6 is fixedly connected between the adjacent two hollow blocks 5, a telescopic plate 7 is rotatably connected to the upper side and the lower side of the inner wall of the hollow block 5, a connecting block 8 is fixedly connected to the outer side of the telescopic plate 7, grooves 10 are formed in the periphery of the front side of the outer wall of the hollow plate 3, a fixing clamp 9 is rotatably connected to the outer side of the connecting block 8, and a cleaning mechanism 2 is arranged on the outer side of the mounting plate 1;
specifically, through starting electronic two-way telescopic link 6, hollow board 3 can be moved about, simultaneously, and the elasticity potential energy of spring telescopic link 4 makes its flexible, and when hollow piece 5 moved, it drove expansion plate 7 and connecting block 8 on it and stretch out and draw back and rotate along recess 10 to fixation clamp 9 centre gripping equipment, in addition, through the flexible of spring telescopic link 4 and the design of mounting panel 1, not only ensured effectively fixing the converter of different specifications, still provided necessary safeguard function.
Referring to fig. 1 and 3, a movable door 201 is arranged on the front side of a mounting plate 1, hinges 202 are fixedly connected to the left side and the right side of the outer wall of the movable door 201, the movable door 201 is rotatably connected with the mounting plate 1 through the hinges 202, limiting blocks 203 are rotatably connected to the front side and the rear side of the hinges 202, a filter screen 205 is fixedly connected to the top of the inner wall of the mounting plate 1, inserting grooves 206 are fixedly connected to the front side and the rear side of the filter screen 205, the inserting grooves 206 are clamped with the limiting blocks 203, an air pump 204 is fixedly connected to the right side of the top end of the mounting plate 1, and the output end of the air pump 204 penetrates through the mounting plate 1;
Specifically, by starting the air pump 204, the air flow is guided into the device to promote heat dissipation, in the process, dust is intercepted and accumulated at the top of the filter screen 205, the device is provided with the hinge 202 for opening and closing the movable door 201, cleaning and maintenance operations are convenient, and the limiting block 203 rotates and releases the clamping with the inserting groove 206 when the movable door 201 is opened and closed, so that the filter screen 205 is convenient to detach for timely replacement.
Referring to fig. 1, 2 and 3, the outer wall periphery of the hollow slab 3 is fixedly connected with a bracket 11, the outer side of the bracket 11 is fixedly connected with a connecting plate 12, the rear side of the connecting plate 12 is fixedly connected with a mounting plate 1, the left side of the top end of the mounting plate 1 is fixedly connected with a controller 20, the controller 20 is respectively electrically connected with an electric bidirectional telescopic rod 6 and an air pump 204, the outer side of the controller 20 is fixedly connected with a shell 21, and the outer side of the shell 21 is rotationally connected with a shield 22;
Specifically, the firmness of fixing the mounting plate 1 and the hollow plate 3 can be improved through the bracket 11 and the connecting plate 12 thereon, the starting and running power between the electric bidirectional telescopic rod 6 and the air pump 204 can be respectively controlled through the controller 20, the protection capability of the controller 20 can be improved through the shell 21, and the controller 20 can be prevented from being touched by mistake when not being used through the opening and closing shield 22.
Referring to fig. 1, 2 and 3, a chute 13 is formed on the inner side of a groove 10, the outer side of a fixing clamp 9 is in sliding connection with the chute 13, a handle 14 is fixedly connected to the front side of a movable door 201, a sheath 15 is fixedly connected to the outer side of the handle 14, a plurality of positioning blocks 16 are fixedly connected to the periphery of the outer wall of a mounting plate 1, positioning holes 17 are formed on the outer sides of the positioning blocks 16, reserved grooves 18 are formed on the left side and the right side of the bottom of the mounting plate 1, and fan blades 19 are rotatably connected to the inner sides of the two reserved grooves 18;
Specifically, the stability of the fixing clamp 9 during movement can be improved through the sliding groove 13, the movable door 201 can be conveniently opened and closed through the handle 14 and the sheath 15 thereon, the device can be conveniently installed and fixed through installing the screw member in the positioning hole 17 on the positioning block 16, and the heat dissipation and ventilation effects of the device can be improved through the fan blade 19 on the inner side of the reserved groove 18.
Before the device is used, the electric bidirectional telescopic rod 6 can be started to drive the hollow plate 3 to move left and right, the spring telescopic rod 4 is driven to stretch out and draw back through elastic potential energy, the telescopic plate 7 and the connecting block 8 on the telescopic plate 7 can be driven to stretch out and draw back and rotate along the groove 10 when the hollow block 5 moves, the fixing clamp 9 is driven to fix equipment, the converters with different specifications can be fixed while the protection performance is ensured through the stretching of the spring telescopic rod 4 and the protection of the mounting plate 1, the air pump 204 is started to drive airflow circulation to dissipate heat inside the device, dust can be intercepted and accumulated at the top of the filter screen 205 at the moment, the movable door 201 can be opened and closed through the hinge 202 so as to clean and maintain the device, the limiting block 203 is rotated to release the clamping of the limiting block 203 and the plugging groove 206 during opening and closing so that the filter screen 205 can be removed so as to be replaced in time.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.
Claims (8)
1. The two-stage LLC resonant converter comprises a mounting plate (1) and is characterized in that a hollow plate (3) is fixedly connected to the rear side of the inner wall of the mounting plate (1), spring telescopic rods (4) are fixedly connected to the left side and the right side of the inner wall of the hollow plate (3), hollow blocks (5) are fixedly connected to the telescopic ends of the spring telescopic rods (4), electric bidirectional telescopic rods (6) are fixedly connected between adjacent hollow blocks (5), telescopic plates (7) are fixedly connected to the upper side and the lower side of the inner wall of each hollow block (5) in a rotating mode, connecting blocks (8) are fixedly connected to the outer side of each telescopic plate (7), grooves (10) are formed in the periphery of the front side of the outer wall of each hollow plate (3), the outer sides of the connecting blocks (8) penetrate through the grooves (10) and are rotationally connected with fixing clamps (9), and cleaning mechanisms (2) are arranged on the outer sides of the mounting plate (1).
2. The two-stage LLC resonant converter of claim 1, wherein a movable door (201) is arranged on the front side of the mounting plate (1), hinges (202) are fixedly connected to the left side and the right side of the outer wall of the movable door (201), the movable door (201) is rotationally connected with the mounting plate (1) through the hinges (202), limiting blocks (203) are rotationally connected to the front side and the rear side of the hinges (202), filter screens (205) are fixedly connected to the top of the inner wall of the mounting plate (1), inserting grooves (206) are fixedly connected to the front side and the rear side of the filter screens (205), the inserting grooves (206) are clamped with the limiting blocks (203), an air pump (204) is fixedly connected to the right side of the top end of the mounting plate (1), and the output end of the air pump (204) penetrates through the mounting plate (1).
3. The two-stage LLC resonant converter according to claim 1, wherein the peripheries of the outer walls of the hollow plates (3) are fixedly connected with brackets (11), the outer sides of the brackets (11) are fixedly connected with connecting plates (12), and the rear sides of the connecting plates (12) are fixedly connected with the mounting plate (1).
4. The two-stage LLC resonant converter according to claim 1, wherein a controller (20) is fixedly connected to the left side of the top end of the mounting plate (1), and the controller (20) is electrically connected with the electric bidirectional telescopic rod (6) and the air pump (204) respectively.
5. A two-stage LLC resonant converter according to claim 4, wherein a housing (21) is fixedly connected to the outside of the controller (20), and a shield (22) is rotatably connected to the outside of the housing (21).
6. The two-stage LLC resonant converter according to claim 1, wherein a chute (13) is formed in the inner side of the groove (10), and the outer side of the fixing clamp (9) is in sliding connection with the chute (13).
7. A two-stage LLC resonant converter according to claim 2, wherein a handle (14) is fixedly connected to the front side of the movable door (201), and a sheath (15) is fixedly connected to the outer side of the handle (14).
8. The two-stage LLC resonant converter of claim 1, wherein a plurality of positioning blocks (16) are fixedly connected to the periphery of the outer wall of the mounting plate (1), positioning holes (17) are formed in the outer sides of the positioning blocks (16), reserved grooves (18) are formed in the left side and the right side of the bottom of the mounting plate (1), and fan blades (19) are rotatably connected to the inner sides of the two reserved grooves (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421388802.XU CN222691590U (en) | 2024-06-18 | 2024-06-18 | A two-stage LLC resonant converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421388802.XU CN222691590U (en) | 2024-06-18 | 2024-06-18 | A two-stage LLC resonant converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222691590U true CN222691590U (en) | 2025-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421388802.XU Active CN222691590U (en) | 2024-06-18 | 2024-06-18 | A two-stage LLC resonant converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222691590U (en) |
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2024
- 2024-06-18 CN CN202421388802.XU patent/CN222691590U/en active Active
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