CN216218529U - Variable heat dissipation formula protection module of charging - Google Patents

Abstract

The utility model innovatively provides a variable heat dissipation type protection charging module, which comprises a shell, an upper cover plate and a bottom plate, wherein the upper cover plate is positioned at an opening at the top of the shell, the bottom plate is positioned at an opening at the bottom of the shell, the shell comprises a partition plate, an upper cavity and a lower cavity, the upper cavity and the lower cavity are divided by the partition plate, the shell walls of the upper cavity and the lower cavity are respectively provided with an air inlet hole and an air outlet hole, the upper cover plate is also provided with an output end, the upper cavity comprises an upper power main board and an upper heat dissipation fan membrane group, the upper heat dissipation fan membrane group is used for discharging hot air in the upper cavity out of the shell, the lower cavity comprises a lower power main board and a lower heat dissipation fan membrane group, the lower heat dissipation fan membrane group is used for discharging hot air in the lower cavity out of the shell, and a low-voltage direct current module group connected with the upper power main board is further integrated on the upper cover plate; the utility model has the advantages of reducing the volume and the weight of the high-endurance charging module and meeting the protection capability and the heat dissipation capability.

Description

Variable heat dissipation formula protection module of charging

Technical Field

The utility model relates to the technical field of power supplies, in particular to a variable heat dissipation type protection charging module.

Background

The unmanned plane is called unmanned plane for short, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. The unmanned aerial vehicle is provided with no cockpit, but is provided with an autopilot, a program control device and other equipment, along with technological progress and stepping into the information era, the current unmanned aerial vehicle is gradually opened from military use to civil use, and the requirements of enthusiasts of civil unmanned aerial vehicles on the unmanned aerial vehicle are gradually improved, including the cruising ability of the unmanned aerial vehicle and the protective ability of self parts.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a high-endurance charging module which can reduce the volume and the weight, meets the protection capability and the heat dissipation capability and is used for overcoming the defects in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a variable heat dissipation formula protection module of charging, includes casing, upper cover plate and bottom plate, the upper cover plate is located casing open-top, the bottom plate is located casing bottom opening part, including baffle and the last cavity and the lower cavity that separate into by the baffle in the casing, be equipped with fresh air inlet and exhaust vent on the casing wall of last cavity and lower cavity respectively, still be equipped with the output on the upper cover plate, go up internal including last power mainboard and last radiator fan membrane group, it is used for outside the hot air discharge casing in the cavity to go up radiator fan membrane group, including lower power mainboard and lower radiator fan membrane group down in the cavity, lower radiator fan membrane group is used for discharging the hot air in the lower cavity outside the casing, still the integrated low pressure direct current module group of being connected with last power mainboard that has on the upper cover plate.

Further, all be equipped with the polylith heat-conducting plate in upper chamber and the lower cavity, the both ends of heat-conducting plate are connected respectively on the relative inside wall of casing, the bottom of heat-conducting plate all is connected on the power mainboard that corresponds, the indoor heat-conducting plate top and the upper cover plate contact of upper chamber, the indoor heat-conducting plate top and the bottom plate contact of lower cavity.

Further, the heat-conducting plates in the upper chamber and the lower chamber are two, the upper chamber is separated into three parallel and independent upper side chambers by the two heat-conducting plates in the upper chamber, the lower chamber is separated into three parallel and independent lower side chambers by the two heat-conducting plates in the lower chamber, and the upper side chamber in the middle and the lower side chamber in the middle are both provided with magnetic component film groups.

Further, the heat conducting plate is made of an aluminum material.

Furthermore, the magnetic component film group comprises a radiator, a transformer, a magnetic component board and an inductor, wherein the transformer and the inductor are both located on the magnetic component board, the magnetic component board is located on the corresponding power main board, and the radiator is used for radiating the transformer, the magnetic component board and the inductor.

Further, the radiator comprises a heat dissipation frame, the heat dissipation frame wraps the transformer, the magnetic component plate and the inductor, the heat dissipation frame in the upper side cavity is in contact with the upper cover plate, and the heat dissipation frame in the lower side cavity is in contact with the bottom plate.

Further, low pressure direct current membrane group includes base, low pressure direct current module and shrouding, the base is located the upper cover plate, low pressure direct current module is located the base, the shrouding is located the base.

Furthermore, the output end is provided with two groups of copper sheets which are respectively connected with the upper power mainboard.

The utility model has the beneficial effects that: the high integration and the mode through sharing fan wind channel reduce additional structure and heat dissipation heat conduction device quantity to reach the purpose that reduces whole volume and weight, and install aluminium matter's heating panel respectively on two main power boards, dispel the heat behind the heat transfer to the casing that produces main power board through the quick heat dissipation of aluminium.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a top chamber block diagram of the present invention;

FIG. 4 is a lower chamber block diagram of the present invention;

FIG. 5 is a structural view of a magnetic component film assembly according to the present invention.

Reference numerals: 1. a housing; 2. an upper cover plate; 3. a base plate; 4. an upper chamber; 5. a lower chamber; 6. an air inlet hole; 7. an air outlet; 8. an output end; 9. an upper power motherboard; 10. an upper heat radiation fan film group; 11. a lower power motherboard; 12. a lower heat dissipation fan membrane group; 13. a low voltage DC module group; 131. a base; 132. a low voltage DC module; 133. closing the plate; 14. a heat conducting plate; 15. an upper chamber; 16. a lower chamber; 17. a magnetic component film group; 171. a heat sink; 172. a transformer; 173. a magnetic member plate; 174. an inductance.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

the existing unmanned aerial vehicle increases the volume of a charging module in order to achieve high cruising ability, so that the weight and the submission of the unmanned aerial vehicle are increased, the charging module is easy to generate heat when operating at high efficiency, thereby affecting a control system and causing certain influence on the service life of the unmanned aerial vehicle, therefore, the variable heat dissipation type protection charging module comprises a shell 1, an upper cover plate 2 and a bottom plate 3 (the shell 1 is die-cast by aluminum alloy, the upper cover plate 2 and the bottom plate 3 are both provided with a sealing ring and a screw lock for water and dust prevention), the upper cover plate 2 is arranged at an opening at the top of the shell 1, the bottom plate 3 is arranged at an opening at the bottom of the shell 1, the shell 1 comprises a partition plate and an upper cavity 4 and a lower cavity 5 which are partitioned by the partition plate, and an air inlet hole 6 and an air outlet hole 7 are respectively arranged on the walls of the shell 1 of the upper cavity 4 and the lower cavity 5, the upper cover plate 2 is also provided with an output end 8 (the output end 8 is two groups of copper sheets which are respectively connected with the upper power mainboard 9), the upper cavity comprises an upper power mainboard 9 and an upper heat dissipation fan membrane group 10, the upper heat dissipation fan membrane group 10 is used for discharging hot air in the upper cavity 4 out of the shell 1, the lower cavity comprises a lower power mainboard 11 and a lower heat dissipation fan membrane group 12 (the upper main power board and the lower main power board are locked on a middle substrate of the shell 1 back to back, and a wire harness or a copper column is purchased between the upper main power board and the lower main power board for connection, so as to reduce the volume occupied by the main power boards and the weight of the additional shell 1 and structural parts, the main shell 1 is simultaneously used as a heat radiator 171 of the whole power supply, all heating devices are all conducted to the shell 1, the lower heat dissipation fan membrane group 12 is used for discharging hot air in the lower cavity 5 out of the shell 1 (the upper heat dissipation fan membrane group 10 and the lower heat dissipation fan membrane group 12 are mainly fans, the external air is sucked from the air inlet 6 through the fan and then is discharged from the air outlet 7 to form an air circulation to realize cooling), the sealing is filled by a silica gel sealing gasket and a sealant, the upper main circuit part and the lower main circuit part on the PCB are not lower than the IP54 grade protection, and the upper cover plate 2 is also integrated with a low-voltage direct current module 132 group 13 connected with the upper power main board 9; the beneficial effects are as follows: the high integration and reduce additional structure and heat dissipation heat-conducting device quantity through the mode of sharing the fan wind channel, thereby reach the purpose that reduces whole volume and weight, wherein the casing 1 of this module that charges adopts the baffle to seal, adopt on the monoblock PCB to add the baffle seal promptly, open part adopts bottom seal pad and the mode of surface coating self-flowing glue, the wholeness of the PCB circuit of both having guaranteed, interconnection structure has been reduced, realize whole IP 54's protection requirement again, with this reduce by wind channel partial connection and relevant auxiliary structure of separating, reach the purpose that reduces volume and weight.

As shown in fig. 3 and 4, a plurality of heat conducting plates 14 are arranged in the upper chamber 4 and the lower chamber 5, two ends of each heat conducting plate 14 are respectively connected to the opposite inner side walls of the casing 1, the bottoms of the heat conducting plates 14 are connected to the corresponding power main boards, the top of the heat conducting plate 14 in the upper chamber 4 is in contact with the upper cover plate 2, and the top of the heat conducting plate 14 in the lower chamber 5 is in contact with the bottom plate 3, firstly, the heat conducting plate 14 is in contact with the casing 1 to improve heat conductivity, and heat is transferred from the heat conducting plates 14 to the casing 1, secondly, the fan air duct and the main circuit part are separated by the heat conducting plates 14 in the upper chamber 4 and the lower chamber 5 to form an independent air duct, meanwhile, the partition plate is also a radiator 171 of the main heating MOS tube, and the main heating MOS tube is locked and attached to the inner side of the partition plate. The sealing is filled by a silica gel sealing gasket and sealant, so that the upper and lower main circuit parts on the PCB are not lower than IP54 level protection, the upper chamber 4 and the lower chamber 5 are both provided with two heat-conducting plates 14, the upper chamber 4 is divided into three parallel and independent upper side chambers 15 by the two heat-conducting plates 14 in the upper chamber 4, the lower chamber 5 is divided into three parallel and independent lower side chambers 16 by the two heat-conducting plates 14 in the lower chamber 5, and the upper side chamber 15 positioned in the middle and the lower side chamber 16 positioned in the middle are both provided with a magnetic component film group 17; the heat conducting plate 14 is made of aluminum material, because the aluminum material has better heat conductivity, the heat conducting plate 14 in the utility model can also be other metal materials with good heat conductivity and fire resistance.

As shown in fig. 5, the magnetic module is a main heat-generating component of the power supply, and for better heat dissipation, the whole module is separately placed in an air duct in an open environment, the magnetic module 17 includes a heat sink 171, a transformer 172, a magnetic board 173, and an inductor 174, the transformer 172 and the inductor 174 are both located on the magnetic board 173, the magnetic board 173 is located on a corresponding power motherboard, the heat sink 171 is used for dissipating heat from the transformer 172, the magnetic board 173, and the inductor 174, the heat sink 171 includes a heat-dissipating frame, the heat-dissipating frame is wrapped outside the transformer 172, the magnetic board 173, and the inductor 174, the heat-dissipating frame in the upper chamber 15 is in contact with the upper cover plate 2, and the heat-dissipating frame in the lower chamber 16 is in contact with the bottom plate 3.

After the magnetic piece module (magnetic piece PCB assembly) is arranged in the magnetic piece board 173 radiator 171 groove, the circuit board and all devices on the circuit board are covered in a form of filling and sealing double-component heat-conducting silica gel, and the waterproof and dustproof effects are achieved. The magnetic piece module is welded to the main power board, and after the magnetic piece module is assembled to the shell 1, the exposed PCB, the welding and the conductive copper bar are covered by the self-flowing glue, so that the waterproof and dustproof effects are achieved.

The power mainboard (main power PCB board part) in the wind channel adopts PCB to compress tightly the sealed mode of the sealed pad of PCB bottom round through the baffle lock-attach, does the IP protection to the PCB in the open environment, and the top is aforementioned magnetism spare module part, adopts the form of flowing automatically the glue encapsulating, says that the region that needs the protection carries out the embedment coating, reaches the requirement of IP54 protection.

As shown in fig. 1 and 2, the low-voltage dc module includes a base 131, a low-voltage dc module 132 and a sealing plate 133, the base 131 is located on the upper cover plate 2, the low-voltage dc module 132 is located in the base 131, the sealing plate 133 is located on the base 131, the low-voltage dc module is assembled in an independent cavity reserved in the upper cover plate 2, the bottom surface of the cavity is above the air duct, the heat-generating device of the low-voltage dc module is thermally conducted to the bottom surface, the upper cover plate 2 of the casing 1 is used as an air-cooled heat-dissipating plate, so that the occupied volume of the low-voltage dc module 132 is reduced, active heat dissipation can be achieved, the air duct of the common heat-dissipating fan is shared, and the sealing plate 133 is attached to be waterproof and dustproof by a sealing ring and a solid lock.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (8)

1. The utility model provides a variable heat dissipation formula protection module of charging, includes casing (1), upper cover plate (2) and bottom plate (3), upper cover plate (2) are located casing (1) open-top portion, bottom plate (3) are located casing (1) bottom opening part, its characterized in that: the shell (1) comprises a clapboard and an upper chamber (4) and a lower chamber (5) which are separated by the clapboard, the walls of the shell (1) of the upper chamber (4) and the lower chamber (5) are respectively provided with an air inlet hole (6) and an air outlet hole (7), the upper cover plate (2) is also provided with an output end (8), an upper power mainboard (9) and an upper heat dissipation fan membrane group (10) are arranged in the upper cavity, the upper radiating fan membrane group (10) is used for discharging hot air in the upper cavity (4) out of the shell (1), the lower cavity comprises a lower power main board (11) and a lower radiating fan membrane group (12), the lower radiating fan film group (12) is used for discharging hot air in the lower chamber (5) out of the shell (1), and a low-voltage direct current module (132) group (13) connected with the upper power mainboard (9) is further integrated on the upper cover plate (2).

2. The variable heat dissipation type protection charging module according to claim 1, wherein: go up cavity (4) and all be equipped with polylith heat-conducting plate (14) in lower cavity (5), the both ends of heat-conducting plate (14) are connected respectively on the relative inside wall of casing (1), the bottom of heat-conducting plate (14) is all connected on the power mainboard that corresponds, go up heat-conducting plate (14) top in cavity (4) and contact with upper cover plate (2), heat-conducting plate (14) top in lower cavity (5) contacts with bottom plate (3).

3. The variable heat dissipation protective charging module of claim 2, wherein: go up heat-conducting plate (14) in cavity (4) and lower cavity (5) and be two, two heat-conducting plates (14) in going up cavity (4) will go up cavity (4) and separate into three parallel and independent upside cavity (15), two heat-conducting plates (14) in lower cavity (5) will separate into three parallel and independent downside cavity (16) down cavity (5), all are equipped with magnetic component membrane group (17) in upside cavity (15) that are located the centre and downside cavity (16) that are located the centre.

4. The variable heat dissipation type protection charging module according to claim 2 or 3, wherein: the heat conducting plate (14) is made of aluminum material.

5. The variable heat dissipation type protection charging module according to claim 3, wherein: the magnetic component film group (17) comprises a radiator (171), a transformer (172), a magnetic component board (173) and an inductor (174), the transformer (172) and the inductor (174) are both located on the magnetic component board (173), the magnetic component board (173) is located on a corresponding power main board, and the radiator (171) is used for radiating the transformer (172), the magnetic component board (173) and the inductor (174).

6. The variable heat dissipation type protection charging module according to claim 5, wherein: the radiator (171) comprises a radiating frame, the radiating frame is wrapped outside the transformer (172), the magnetic piece plate (173) and the inductor (174), the radiating frame in the upper side cavity (15) is in contact with the upper cover plate (2), and the radiating frame in the lower side cavity (16) is in contact with the bottom plate (3).

7. The variable heat dissipation type protection charging module according to claim 1, wherein: the low-voltage direct current module comprises a base (131), a low-voltage direct current module (132) and a sealing plate (133), wherein the base (131) is located on the upper cover plate (2), the low-voltage direct current module (132) is located in the base (131), and the sealing plate (133) is located on the base (131).

8. The variable heat dissipation type protection charging module according to claim 1, wherein: the output end (8) is provided with two groups of copper sheets which are respectively connected with the upper power mainboard (9).

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