CN213783867U

CN213783867U - Circuit board module, machine frame assembly and movable platform

Info

Publication number: CN213783867U
Application number: CN202022567502.6U
Authority: CN
Inventors: 杨飞虎; 农贵升; 李日照; 周乐
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-23
Anticipated expiration: 2030-11-09
Also published as: WO2022095195A1

Abstract

The application provides a circuit board module, frame subassembly and portable platform. The circuit board module includes: the device comprises a shell, a first sealing cavity and a second sealing cavity are arranged in the shell; the circuit board is at least partially positioned in the first sealing cavity and is connected with the shell; the plug is electrically connected with the circuit board, and at least the part of the plug, which is connected with the circuit board, is positioned in the second sealing cavity; the first waterproof sealing glue layer is arranged in the first sealing cavity and used for sealing the part of the circuit board, which is positioned in the first sealing cavity, in the first sealing cavity and preventing liquid from entering the first sealing cavity; and the second waterproof sealing glue layer is arranged in the second sealing cavity and used for sealing the part of the plug, which is positioned in the second sealing cavity, in the second sealing cavity and preventing liquid from entering the second sealing cavity. This application has set up first waterproof sealing glue film and second waterproof sealing glue film, has come to protect circuit board and plug to improve the use reliability of circuit board module, and then improve movable platform's use reliability.

Description

Circuit board module, machine frame assembly and movable platform

Technical Field

The application relates to the technical field of movable platforms, in particular to a circuit board module, a machine frame assembly and a movable platform.

Background

At present, movable platforms such as unmanned aerial vehicles can load liquid or work under the harsh environment that has water sometimes. Liquid may leak, causing corrosion of electronic components of the circuit board module, even failure or damage, and affecting the normal operation of the movable platform.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, an object of the present application is to provide a circuit board module.

Another object of the present application is to provide a subrack assembly including the above circuit board module.

It is a further object of the present application to provide a movable platform including the subrack assembly described above.

In order to achieve the above object, according to an embodiment of the first aspect of the present application, there is provided a circuit board module including: the device comprises a shell, a first sealing cavity and a second sealing cavity are arranged in the shell; a circuit board at least partially located in the first sealed cavity and connected with the shell; the plug is electrically connected with the circuit board, and at least the part of the plug, which is connected with the circuit board, is positioned in the second sealing cavity; the first waterproof sealing glue layer is arranged in the first sealing cavity and used for sealing the part of the circuit board, which is positioned in the first sealing cavity, in the first sealing cavity and preventing liquid from entering the first sealing cavity; and the second waterproof sealing glue layer is arranged in the second sealing cavity and used for sealing the part of the plug, which is positioned in the second sealing cavity, in the second sealing cavity and preventing liquid from entering the second sealing cavity.

The embodiment of this application first aspect provides a circuit board module has set up first waterproof sealing glue layer and second waterproof sealing glue layer, comes to protect circuit board and the plug of circuit board module, prevents that liquid from taking place the seepage and leads to the fact the corruption to the electron spare part of circuit board module, leads to circuit board module trouble or damage even to improve circuit board module's use reliability, and then improve movable platform's use reliability.

Specifically, the circuit board module includes shell, circuit board, plug, first waterproof sealant layer and second waterproof sealant layer. The shell is used as an installation carrier to protect the internal structure of the shell. Be equipped with first sealed chamber and second sealed chamber in the shell, first sealed chamber provides assembly space for the circuit board, and the second sealed chamber provides assembly space for the plug. Wherein at least a portion of the circuit board is located within the first sealed cavity. In other words, the circuit board may be entirely located within the first sealed cavity; or a part of the circuit board can be positioned in the first sealed cavity, a part of the circuit board can be positioned outside the first sealed cavity, and the part of the circuit board, which is positioned outside the first sealed cavity, can be used for connecting other electronic components. And the circuit board is connected with the shell, so that the position stability of the circuit board is ensured. At least the part of the plug connected with the circuit board is positioned in the second sealing cavity. In other words, the plug may be located entirely within the second sealed cavity; or the plug can be partially positioned in the second sealing cavity and partially positioned outside the second sealing cavity, and the part of the plug positioned outside the second sealing cavity is used for being plugged and matched with the battery or other electronic components. And the plug is electrically connected with the circuit board, so that the electrical conduction between the plug and the circuit board is realized.

Research shows that the part of the circuit board in the first sealing cavity and the part of the plug in the second sealing cavity are parts of the circuit board module which are easy to corrode and cause faults and damage. Therefore, the part of the circuit board, which is positioned in the first sealing cavity, is sealed in the first sealing cavity by utilizing the first waterproof sealing adhesive layer, so that liquid can be prevented from entering the first sealing cavity, and the part of the circuit board, which is positioned in the first sealing cavity, is effectively protected in a waterproof sealing manner. Utilize the waterproof sealing glue layer of second to be located the part seal of second seal intracavity with the plug in the sealed intracavity of second, can prevent that liquid from getting into the sealed chamber of second to carry out effectual waterproof sealing protection to the part that the plug is located the sealed intracavity of second. Like this, the circuit board module can receive reliable waterproof protection, is showing to reduce because of the liquid takes place the seepage and leads to the circuit board module to take place the risk that corrodes, trouble or damage.

In addition, first waterproof sealing glue layer and second waterproof sealing glue layer can adopt the mode of glue filling postcure to make in the preparation process, have both realized the sealed protection to circuit board and plug after the solidification, also realized simultaneously with the bonding of circuit board and plug fixed, have improved the connection reliability of each part of circuit board module. And, compare in the protection mode of sealing washer, glue can flow at the filling in-process, fully fills to effectively increase the area of contact of first waterproof sealing glue layer and circuit board, and the area of contact of second waterproof sealing glue layer and plug, thereby effectively improve protection reliability. Simultaneously, compare in the protection mode of sealing washer, the mode of glue filling postcure has also reduced the shape requirement to first sealed chamber, second sealed chamber, circuit board and plug, is convenient for rationally design the position and the shape of shell, circuit board and plug according to the product demand to optimize the result and the performance of circuit board module.

In addition, the circuit board module in the above technical scheme that this application provided can also have following additional technical features:

according to one embodiment of the application, the housing comprises: the cover shell is provided with the first sealing cavity, and the circuit board is fixedly connected with the cover shell; the cover case includes a cover plate and a cover rim, the cover rim being disposed along a circumferential direction of the cover plate and coupled to the cover plate.

The shell includes the lid shell, through the shape of rational design lid shell, can form first sealed chamber in the lid shell. And the circuit board can be fixedly connected with the cover shell through a fastening piece connecting mode such as a screw, a clamping connection mode, a magnetic attraction connection mode and the like, so that the connecting strength of the circuit board and the cover shell is ensured. In the assembling process, the circuit board and the cover shell can be fixedly connected, the stability of the position of the circuit board is guaranteed, and then glue is filled in the circuit board, so that a first waterproof sealing glue layer is formed. Specifically, the lid shell includes apron and lid edge, and the lid sets up and links to each other with the apron along the circumference of apron, simple structure, the machine-shaping of being convenient for.

According to an embodiment of this application, this plug includes base and the contact pin or the inserted sheet that link to each other with this base, and this base fixed connection is in this circuit board, and this base is located this second sealed intracavity, and this shell includes: the sleeve is sleeved on the base; and the bottom cover is fixedly connected with the bottom of the sleeve and surrounds the sleeve and the circuit board to form the second sealing cavity.

The plug comprises a base and a pin, or the plug comprises a base and a plug blade. The base is located the second seal intracavity and with circuit board fixed connection. The contact pin or the plug-in sheet is connected with the base and is used for being matched with a battery or other electronic parts in an inserting way. The housing further includes a sleeve and a bottom cover. The sleeve has two open ends, is sleeved on the base and surrounds the base. The bottom cover is fixedly connected with the bottom of the sleeve, covers one part of the bottom of the sleeve, and encloses a second sealing cavity with the circuit board to accommodate the base.

According to one embodiment of the application, the circuit board comprises a protruding part, the protruding part is fixedly connected with the plug and is inserted into the sleeve, and the lower end of the sleeve is divided into a first end part and a second end part; this bottom includes: a first bottom cover adapted to the first end portion and covering the first end portion; and a second bottom cover which is fitted with the second end portion and covers the second end portion.

The circuit board comprises a protruding part, the protruding part is fixedly connected with the plug, and the circuit board is fixedly connected with the plug. The projection is inserted into the sleeve, thereby dividing the lower end of the sleeve into two parts, a first end and a second end. Correspondingly, the bottom cover comprises a first bottom cover and a second bottom cover, the first end part and the second end part which are opened at the lower end of the sleeve are sealed, the bottom of the second sealing cavity is completely sealed, and subsequent glue can be conveniently injected, so that the reliable sealing of the part, located in the second sealing cavity, of the plug by the second waterproof sealing glue layer is guaranteed.

According to an embodiment of the application, at least one glue inlet groove is formed in the inner side wall of the sleeve, the glue inlet groove is used for enabling glue to enter the second sealing cavity, and the glue inlet groove is communicated with the second sealing cavity; the bulge is provided with at least one circulation groove, the circulation groove is used for enabling the glue to circulate in the second sealing cavity, and the circulation groove penetrates through the bulge along the thickness direction of the circuit board.

At least one glue inlet groove is formed in the inner side wall of the sleeve, glue is injected into the second sealing cavity through the glue inlet groove in the preparation process, the injection speed of the glue is improved, and therefore production efficiency is improved. Correspond on the bulge and set up the circulation groove, and the circulation groove runs through the bulge along circuit board thickness direction for glue can flow to the both sides of circuit board thickness direction along the circulation groove, guarantees that two spaces that the sleeve was separated by the bulge can both be filled by glue, realizes the circulation of glue in the sealed intracavity of second, thereby improves the protection reliability of second waterproof sealing glue layer to the plug.

According to one embodiment of the application, the glue inlet groove is arranged at the top of the sleeve, and the circulation groove is arranged at the top of the bulge; and/or the number of the circulation grooves is equal to that of the glue inlet grooves and is communicated in a one-to-one correspondence manner; and/or the cross section of the sleeve is approximately rectangular, and the glue inlet groove is arranged at the first end of the sleeve in the width direction; the bottom of the sleeve is provided with a glue flow channel, and the glue flow channel is arranged along the circumferential direction of the sleeve and extends from the first end of the sleeve in the width direction to the second end of the sleeve in the width direction.

The glue inlet groove is formed in the top of the sleeve, so that the glue can flow rapidly under the action of gravity, and the production efficiency is further improved. The top at the bulge corresponds and sets up the circulation groove, then can flow the top of bulge through advancing the glue that the gluey groove was injected into to flow to both sides along the bulge, then the bulge has played the drainage effect to glue, is favorable to further improving the filling speed of glue.

The quantity of circulation groove equals and the one-to-one intercommunication with the quantity of advancing gluey groove, and a plurality of positions of being convenient for advance simultaneously and glue to further improve the injection velocity of the sealed intracavity glue of second, and then further improve the production efficiency of circuit board module.

The cross-section of the sleeve is substantially rectangular (i.e. approximately rectangular in shape as a whole, but not strictly rectangular, such as rectangular with rounded corners), adapted to the shape of the base of the plug. The glue inlet groove is formed in the first end of the sleeve in the width direction, the glue flow channel is correspondingly formed in the bottom of the sleeve, glue can flow to the second end of the sleeve in the width direction from the first end of the sleeve in the width direction along the glue flow channel conveniently, and then the second sealing cavity is filled fully, quickly and uniformly.

According to one embodiment of the application, the outer shell comprises a cover shell, one end of the cover shell, which is close to the plug, is provided with a mounting groove, and at least one part of the bottom cover is positioned in the mounting groove; the circuit board module further comprises: and the sealing strip is clamped between the outer side wall of the sleeve and the side wall of the mounting groove.

The mounting groove is arranged at one end, close to the plug, of the cover shell, the positioning effect can be achieved on the assembly of the bottom cover, and the bottom cover can be rapidly assembled conveniently. Establish the sealing strip between the lateral wall of telescopic lateral wall and mounting groove, can enough play effectual sealed effect between sleeve and the lid shell, occupied certain space again, be favorable to preventing that glue overfill from leading to increaseing the weight of circuit board module, therefore be favorable to the lightweight of circuit board module.

According to one embodiment of the present application, the circuit board includes: the plug is connected with the plate body, and at least one part of the plate body is positioned in the first sealing cavity; the first waterproof sealing glue layer completely covers the surface to be sealed of the plate body in the first sealing cavity, wherein the surface to be sealed is the surface of the plate body exposed in the first sealing cavity and far away from the cover plate; one end of the connector is connected with the plate body, and the other end of the connector protrudes out of the first sealing cavity.

The circuit board comprises a board body and a connector, at least one part of the board body is located in the first sealing cavity, and the first waterproof sealing glue layer completely covers the surface to be sealed of the board body located in the first sealing cavity, so that reliable sealing of the board body is guaranteed. One end of the connector is connected with the plate body, and the other end of the connector extends out of the first sealing cavity and is used for connecting other electronic parts and achieving electrical connection between the circuit board and the other electronic parts.

It can be understood that the surface of the plate body away from the cover plate faces the mouth of the cover shell and is easily corroded by external liquid to cause the circuit board module to be failed or damaged. Therefore, the surface of the plate body, which is far away from the cover plate, in the part of the first sealing cavity needs to be protected by waterproof sealing. Since the connector is connected to the board body, and the board body may be connected to the cover case by a fastener such as a screw, a portion of the surface of the board body away from the cover plate may be covered by the connector, the screw, or the like. Therefore, the surface of the plate body to be sealed, which is located in the first sealing cavity, refers to a surface of the plate body, which is located in the first sealing cavity, is not covered by the connector and the like (i.e., is exposed in the first sealing cavity), and is far away from the cover plate. After the glue is solidified to form the first waterproof sealing glue layer, the glue layer can be tightly combined with the connector, the inner wall surface of the cover shell and other structures, so that reliable sealing of the plate body is guaranteed.

According to one embodiment of the present application, the plate body includes: the main body part is positioned in the first sealing cavity, and the connector is arranged on the plate surface of the main body part and is connected with the main body part; and a protrusion connected to the top of the main body, the plug being connected to the protrusion.

The plate body includes main part and bulge, and the main part is connected with the connector, and the bulge is connected with the plug, then the main part is sealed at first sealed intracavity by first waterproof sealing glue layer, and the bulge is sealed at the sealed intracavity of second by the waterproof sealing glue layer of second, has effectively guaranteed the reliable protection to the circuit board.

According to an embodiment of the present application, the circuit board module further includes a filling pad disposed between the circuit board and the cover plate; and/or, the outer shell further comprises a reinforcing rib provided on an inner wall surface of the cover shell.

And a filling pad is additionally arranged between the circuit board and the cover plate and can occupy partial space in the first sealing cavity, so that the filling amount of glue in the first sealing cavity is reduced. Therefore, the weight of the circuit board module can be prevented from being increased due to the fact that glue is excessively filled, and light weight of the circuit board module is facilitated.

The reinforcing ribs are arranged on the inner wall surface of the cover shell, so that on one hand, the strength of the cover shell can be improved, and the strength of the circuit board module is improved; on the other hand, the cover shell can also occupy a certain space, so that the filling amount of glue in the cover shell is reduced, and the light weight of the circuit board module is facilitated.

According to one embodiment of the application, the circuit board module is arranged on a machine frame of the movable platform, and a plug and the sleeve of the circuit board module penetrate through a through hole formed in the machine frame; the circuit board module further comprises: the waterproof sealing ring is a flexible part; the waterproof sealing ring is arranged between the sleeve and the hole wall of the through hole and used for sealing a gap between the sleeve and the hole wall of the through hole and allowing the sleeve to generate displacement with multiple degrees of freedom relative to the through hole.

And a waterproof sealing ring is arranged between the sleeve of the plug and the hole wall of the through hole of the machine frame, so that liquid can be prevented from leaking to the plug from the through hole, and the protection effect on the plug is improved. Simultaneously, waterproof sealing ring adopts the flexible piece, can take place flexiplexibility to allow the relative through-hole of sleeve to take place the displacement of a plurality of degrees of freedom, this design of floating that is favorable to realizing circuit board module, promptly: the circuit board module can move, swing, rotate and the like within a small range. Therefore, on one hand, when the plug is in plug-in fit with electronic parts such as a battery, the circuit board module can move in a small range to adapt to the positions of the electronic parts such as the battery; on the other hand, under the operating mode of vibration, the circuit board module of also being convenient for fine motion together with electronic parts such as battery, guarantees that the contact of electronic parts such as plug and battery is good, reduces the wearing and tearing of inserted sheet or contact pin, the life of extension product. In addition, waterproof sealing circle can also take place when floating at plug and circuit board, wraps up the plug all the time to prevent that the inserted sheet or the contact pin department of plug from intaking, realize the good protection to the plug.

According to one embodiment of the application, the top surface of the waterproof sealing ring is also used for abutting a battery; and/or the inner side wall of the waterproof sealing ring is provided with a sealing rib, and the waterproof sealing ring is in interference fit with the sleeve through the sealing rib.

The top surface of waterproof sealing circle, the terminal surface that the bottom was kept away from to waterproof sealing circle promptly can supply the battery butt, is favorable to increasing the area of contact with the battery, and then improves the positional stability of battery, also improves the sealing reliability between battery and the waterproof sealing circle.

Establish sealed muscle at the inside wall of waterproof sealing washer, sealed muscle and the sleeve interference fit of plug have effectively improved the protection reliability of waterproof sealing washer.

According to one embodiment of the application, the circuit board module further comprises at least one shock absorption structure, the shock absorption structure is arranged on the shell, and the circuit board module is connected with a machine frame of the movable platform through the shock absorption structure; this shock-absorbing structure includes: the shock absorption piece is a flexible piece and is arranged in a mounting hole formed in the machine frame in a penetrating manner; the fastener penetrates through the damping piece and the mounting hole and is fixedly connected with the shell; wherein, the shock absorber can allow the displacement of this shell and this fastener relative to this frame multiple degrees of freedom.

The circuit board module still includes at least one shock-absorbing structure, and shock-absorbing structure connection circuit board module and frame can play good cushioning effect to be favorable to realizing the design of floating of circuit board module, promptly: the circuit board module can move, swing, rotate and the like within a small range. Therefore, on one hand, when the plug is in plug-in fit with electronic parts such as a battery, the circuit board module can move in a small range to adapt to the positions of the electronic parts such as the battery; on the other hand, under the operating mode of vibration, the circuit board module of also being convenient for fine motion together with electronic parts such as battery, guarantees that the contact of electronic parts such as plug and battery is good, reduces the wearing and tearing of contact pin or inserted sheet, the life of extension product.

Specifically, the shock-absorbing structure includes a shock-absorbing member and a fastener. The shock attenuation piece is the flexible piece, and wears to locate the mounting hole of frame, can take place flexiplexibility to make circuit board module and fastener can take place the motion of a plurality of degrees of freedom at the small-range for the frame, realize the design of floating of circuit board module. The fastener wears to locate shock pad and mounting hole to link to each other with the shell of circuit board module is fixed, realize the fixed action to the circuit board module, guarantee the stable connection of circuit board module and frame.

According to one embodiment of the application, the central axis of the mounting hole is parallel to the plugging direction of the plug; and/or the fastener is a step screw which penetrates through the shock pad to be in threaded connection with the shell; and/or, the shock absorbing member comprises: the fastener is fixedly connected with the shell after sequentially penetrating through the connecting part, the transition part and the damping part; the transition part penetrates through the mounting hole, and one end of the transition part is connected with the connecting part; the damping part is connected with the other end of the transition part, a limiting clamping groove is formed in the connection part and the transition part in an enclosing mode, and the damping part is connected with the machine frame in a clamping mode through the limiting clamping groove.

Because the plug-in direction of plug, the thickness direction of circuit board, the thickness direction of frame are generally mutually perpendicular, therefore when the central axis of mounting hole is perpendicular to the plug-in direction of plug, need additionally set up the platelike structure that is on a parallel with the plug-in direction on the lid shell and the frame, lead to the structure of lid shell and frame complicated, and along the size of circuit board thickness direction on the large side. And when the central axis of mounting hole was on a parallel with the grafting direction of plug, then can be directly at the lid edge trompil of lid shell to correspond the trompil on the connecting plate of frame can, therefore be favorable to reducing the size of the thickness direction of circuit board module, thereby be favorable to reducing the volume of circuit board module, also simplified the structure of circuit board module and frame, and then be favorable to practicing thrift the cost.

The fastener adopts the step screw, can prevent that the fastener from excessively extruding the damping piece in the assembling process to guarantee that the damping piece has good elastic deformation ability, and then realize good shock attenuation effect, also make the circuit board module have good flexibility of floating.

The shock-absorbing part comprises a connecting portion, a transition portion and a shock-absorbing portion, the connecting portion, the transition portion and the shock-absorbing portion are sequentially connected, and during assembly, the body portion of the fastener sequentially penetrates through the connecting portion, the transition portion and the shock-absorbing portion and then is fixedly connected with the shell of the circuit board module. The connecting part is matched with the head of the fastener in an abutting mode. The transition part is inserted and matched with the mounting hole of the machine frame. Damping part, transition portion and connecting portion enclose out the draw-in groove, realize the joint cooperation of shock attenuation spare and frame, prevent that the shock attenuation spare from breaking away from the frame, improve the position stability of shock attenuation spare, and then improve shock-absorbing structure's use reliability.

According to one embodiment of the application, the shell comprises a cover shell, the cover shell is arranged between a first connecting plate and a second connecting plate which are oppositely arranged on the machine frame, and the plug penetrates through a through hole arranged on the first connecting plate; the number of the shock absorption structures is multiple, the shock absorption structures comprise first shock absorption structures and second shock absorption structures, the first shock absorption structures are used for connecting the cover shell and the first connecting plate, and the second shock absorption structures are used for connecting the cover shell and the second connecting plate.

The frame includes first connecting plate and second connecting plate, and first connecting plate and second connecting plate set up relatively, are equipped with the through-hole on the first connecting plate, and the plug of circuit board module passes this through-hole during the assembly, and then can with the cooperation of pegging graft of battery. A mounting space is defined between the first connecting plate and the second connecting plate, and the cover shell of the circuit board module is positioned in the mounting space. The plurality of shock-absorbing structures are divided into a first shock-absorbing structure and a second shock-absorbing structure. The cover shell and the first connecting plate are connected through the first damping structure, the cover shell and the second connecting plate are connected through the second damping structure, the reliable connection of the circuit board module and the machine frame is achieved, the shell and the fastener of the circuit board module can achieve movement of multiple degrees of freedom relative to the first connecting plate and the second connecting plate, and the floating design of the circuit board module is achieved.

According to one embodiment of the application, the number of the first shock absorption structures is even, and the even number of the first shock absorption structures are symmetrically arranged on two sides of the plug; and/or the number of the second shock absorption structures is at least two, wherein the two second shock absorption structures are respectively arranged at two ends of the cover shell; and/or the distance between the first shock absorption structure and the central line of the plug is larger than the distance between the second shock absorption structure and the central line of the plug, wherein the central line of the plug is parallel to the plugging direction of the plug.

The number of the first damping structures is designed to be even, and the even number of the first damping structures are symmetrically arranged on two sides of the plug, so that the stress balance of the circuit board module is facilitated, the risk and the amplitude of vibration of the circuit board module are reduced, and the circuit board module is facilitated to float more flexibly.

The number of the second damping structures is designed to be at least two, and the two second damping structures are arranged at the two ends of the cover shell, so that the circuit board module can be prevented from forming a cantilever structure, and the stability of the circuit board module is improved.

The distance between the central lines of the first damping structure and the plug is greater than the distance between the central lines of the second damping structure and the plug, and the first damping structure is closer to the plug, so that the deformation of the first connecting plate during battery plugging is reduced, and the operation hand feeling is improved.

According to an embodiment of the second aspect of the present application, there is provided a subrack assembly comprising: a machine frame; and the circuit board module provided by any one of the embodiments of the first aspect, connected to the frame.

The frame assembly provided in the embodiment of the second aspect of the present application includes the circuit board module provided in any one of the embodiments of the first aspect, so that all the advantages of any one of the embodiments are provided, and are not described herein again.

According to an embodiment of the third aspect of the present application, there is provided a movable platform comprising: the subrack assembly provided by the embodiment of the second aspect; and the battery is in plug-in fit with the plug of the machine frame component.

The movable platform provided in the embodiment of the third aspect of the present application includes the subrack assembly provided in any one of the embodiments of the second aspect, so that all the advantages of any one of the embodiments described above are provided, and details are not described herein again.

According to one embodiment of the application, the battery is provided with a rib for abutting against an end face of a waterproof sealing ring of the frame assembly facing the battery; and/or, the movable platform is an agricultural drone.

Establish protruding muscle on the battery, after battery and plug grafting cooperation, protruding muscle can lean on with waterproof sealing washer counterbalance, realizes closely cooperating to improve the battery and waterproof sealing washer's sealing reliability. The convex rib can be a hard structure protruding from the battery or a soft structure such as a battery sealing ring.

Agricultural unmanned aerial vehicle can load liquid such as pesticide in the use, therefore adopts the scheme of this application can effectively improve agricultural unmanned aerial vehicle's use reliability. Of course, the movable platform is not limited to an agricultural unmanned aerial vehicle, and can also be an underwater robot or an unmanned aerial vehicle working in rainy days.

Additional aspects and advantages of the present application will be set forth in part in the description which follows, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram illustrating a partially exploded structure of a circuit board module according to an embodiment of the present application;

FIG. 2 is a schematic view of the structure of FIG. 1 after assembly;

FIG. 3 is a perspective view of a sleeve according to one embodiment of the present application;

FIG. 4 is an exploded view of a subrack assembly according to one embodiment of the present application;

FIG. 5 is an enlarged schematic view of portion A of FIG. 4;

FIG. 6 is an enlarged schematic view of the portion B of FIG. 4;

FIG. 7 is an enlarged schematic view of the portion C of FIG. 4;

FIG. 8 is a schematic illustration of the assembled subrack assembly of FIG. 4;

FIG. 9 is an enlarged schematic view of the portion D in FIG. 8;

FIG. 10 is an enlarged schematic view of section E of FIG. 8;

FIG. 11 is a partially exploded schematic view of a movable platform provided in one embodiment of the present application;

FIG. 12 is a schematic view of the structure of FIG. 11 assembled;

fig. 13 is a schematic perspective view of a battery according to an embodiment of the present application;

FIG. 14 is an enlarged schematic view of portion F of FIG. 13;

FIG. 15 is a schematic block diagram of a movable platform provided by one embodiment of the present application.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 15 is:

1. a housing; 11. a first sealed chamber; 12. a second sealed chamber; 13. a cover shell; 131. a cover plate; 132. a cover rim; 133. mounting grooves; 134. connecting holes; 14. a sleeve; 141. a first end portion; 142. a second end portion; 143. a glue inlet groove; 144. a cylindrical portion; 145. a step portion; 146. a glue runner; 147. supporting the boss; 15. a bottom cover; 151. a first bottom cover; 152. a second bottom cover; 16 reinforcing ribs;

2. a circuit board; 21. a plate body; 211. a projection; 2111. a circulation tank; 212. a main body portion; 213 surfaces to be sealed; 22. a connector;

3. a plug; 31. a base; 32. inserting sheets;

4. a sealing strip;

5. filling the pad;

6. a waterproof sealing ring; 61. a sealing part; 62. a buffer section; 63. a limiting part; 64. sealing the ribs; 65. a buffer tank;

7. a shock-absorbing structure; 71. a shock absorbing member; 711. a connecting portion; 712. a transition section; 713. a shock absorbing part; 714. a limiting clamping groove; 715. a shock absorbing hole; 716. a shock-absorbing groove; 72. a fastener; 721. step screws; 73. a first shock-absorbing structure; 74. a second shock-absorbing structure;

8. a first waterproof sealant layer;

9. a second waterproof sealant layer;

100. a circuit board module;

200. a frame assembly; 210. a machine frame; 2120. a first connecting plate; 2121. a through hole; 214. a second connecting plate; 216. mounting holes;

300. a movable platform; 310. a battery; 312. and (5) convex ribs.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

The circuit board modules, subrack assemblies, and movable platforms provided by some embodiments of the present application are described below with reference to fig. 1-15.

An embodiment of the first aspect of the present application provides a circuit board module 100, including: the waterproof sealing structure comprises a shell 1, a circuit board 2, a plug 3, a first waterproof sealing adhesive layer 8 and a second waterproof sealing adhesive layer 9.

Specifically, a first seal chamber 11 and a second seal chamber 12 are provided in the housing 1, as shown in fig. 2.

The circuit board 2 is at least partially located within the first sealed chamber 11 and is connected to the housing 1 as shown in fig. 2.

The header 3 is electrically connected to the circuit board 2, and at least a portion of the header 3 connected to the circuit board 2 is located in the second hermetic chamber 12, as shown in fig. 2.

The first waterproof sealant layer 8 is disposed in the first sealed cavity 11, and is used for sealing a portion of the circuit board 2 located in the first sealed cavity 11 and preventing liquid from entering the first sealed cavity 11.

The second waterproof sealant layer 9 is disposed in the second sealed cavity 12, and is used for sealing the part of the plug 3 located in the second sealed cavity 12 and preventing liquid from entering the second sealed cavity 12.

The embodiment of the first aspect of this application provides a circuit board module 100, has set up first waterproof sealant layer 8 and second waterproof sealant layer 9, comes to protect circuit board 2 and plug 3 of circuit board module 100, prevents that liquid from taking place the seepage and causing the corruption to circuit board module 100's electronic components, leads to circuit board module 100 trouble or damage even to improve circuit board module 100's use reliability, and then improve movable platform 300's use reliability.

Specifically, the circuit board module 100 includes a housing 1, a circuit board 2, a plug 3, a first waterproof sealant layer 8, and a second waterproof sealant layer 9. The housing 1 serves as a mounting carrier, protecting the internal structure thereof. A first sealed cavity 11 and a second sealed cavity 12 are arranged in the shell 1, the first sealed cavity 11 provides an assembly space for the circuit board 2, and the second sealed cavity 12 provides an assembly space for the plug 3. Wherein at least a part of the circuit board 2 is located within the first sealed cavity 11. In other words, the circuit board 2 may be entirely located within the first sealed cavity 11; or partially in the first sealed cavity 11, partially outside the first sealed cavity 11, and the part of the circuit board 2 outside the first sealed cavity 11 is used for connecting other electronic components. And the circuit board 2 is connected with the shell 1, so that the position stability of the circuit board 2 is ensured. At least the portion of the plug 3 connected to the circuit board 2 is located within the second sealed chamber 12. In other words, the plug 3 may be located entirely within the second sealed chamber 12; or may be partially located in the second sealed cavity 12 and partially located outside the second sealed cavity 12, and the portion of the plug 3 located outside the second sealed cavity 12 is used for plugging and matching with the battery 310 or other electronic components. And the plug 3 is electrically connected with the circuit board 2, so that the electrical conduction between the plug 3 and the circuit board 2 is realized.

Through research, the part of the circuit board 2 located in the first sealed cavity 11 and the part of the plug 3 located in the second sealed cavity 12 are parts where the circuit board module 100 is prone to corrosion, resulting in failure and damage. Therefore, the part of the circuit board 2 located in the first sealed cavity 11 is sealed in the first sealed cavity 11 by the first waterproof sealant layer 8, so that liquid can be prevented from entering the first sealed cavity 11, and the part of the circuit board 2 located in the first sealed cavity 11 is effectively protected in a waterproof sealing manner. Utilize second waterproof sealing glue film 9 to be located the part of plug 3 in second sealed chamber 12 and seal in second sealed chamber 12, can prevent that liquid from getting into second sealed chamber 12 to carry out effectual waterproof sealing protection to the part that plug 3 is located second sealed chamber 12. Thus, the circuit board module 100 can be reliably protected from water, and the risk of corrosion, failure or damage of the circuit board module 100 caused by liquid leakage is remarkably reduced.

In addition, first waterproof sealing glue layer 8 and second waterproof sealing glue layer 9 can adopt the mode of glue filling postcure to make in the preparation process, has both realized the sealed protection to circuit board 2 and plug 3 after the solidification, has also realized simultaneously with the bonding of circuit board 2 and plug 3 fixed, has improved the connection reliability of each part of circuit board module 100. And, compare in the protection mode of sealing washer, glue can flow at the filling in-process, fully fills to effectively increase the area of contact of first waterproof sealing glue layer 8 and circuit board 2, and the area of contact of second waterproof sealing glue layer 9 and plug 3, thereby effectively improve protection reliability. Meanwhile, compared with the protection mode of the sealing ring, the mode of curing after filling the glue also reduces the shape requirements on the first sealing cavity 11, the second sealing cavity 12, the circuit board 2 and the plug 3, so that the positions and the shapes of the shell 1, the circuit board 2 and the plug 3 can be reasonably designed according to the product requirements, and the result and the performance of the circuit board module 100 can be optimized.

In one embodiment of the present application, as shown in fig. 1, a housing 1 includes: and a cover case 13. The cover shell 13 is provided with a first sealing cavity 11, and the circuit board 2 is fixedly connected with the cover shell 13. The cover case 13 includes a cover plate 131 and a cover rim 132, as shown in fig. 1. The cover rim 132 is disposed along a circumferential direction of the cover plate 131 and is connected to the cover plate 131.

The housing 1 comprises a cover shell 13, and the first sealed cavity 11 can be formed in the cover shell 13 by reasonably designing the shape of the cover shell 13. The circuit board 2 can be fixedly connected with the cover shell 13 in a connection mode of a fastener 72 such as a screw, a clamping connection mode, a magnetic connection mode and the like, so that the connection strength of the circuit board 2 and the cover shell 13 is ensured. In the assembling process, the circuit board 2 and the cover shell 13 can be fixedly connected to ensure the stability of the position of the circuit board 2, and then glue is refilled (specifically, glue filling can be performed) to form the first waterproof sealant layer 8. Specifically, the cover shell 13 includes a cover plate 131 and a cover rim 132, and the cover rim 132 is disposed along the circumferential direction of the cover plate 131 and connected to the cover plate 131, so that the structure is simple and the processing and molding are convenient.

In one embodiment of the present application, further, the first waterproof sealant layer 8 is flush with the end of the cover rim 132 away from the bottom plate.

First waterproof sealing glue layer 8 flushes with the lid along the one end that 132 kept away from apron 131, has effectively guaranteed first waterproof sealing glue layer 8 to the protection reliability of circuit board 2. When glue is injected into the cover shell 13 in the preparation process, the cover shell 13 can be horizontally placed, the cover edge 132 is far away from one end of the cover plate 131 to form a mouth part of the cover shell 13, the glue is injected from the mouth part of the cover shell 13, and the glue naturally flows to the mouth part of the cover shell 13.

In one embodiment of the present application, the plug 3 includes a base 31 and pins or blades 32 connected to the base 31, as shown in FIG. 1. The base 31 is fixedly connected to the circuit board 2, and the base 31 is located in the second sealed cavity 12. The housing 1 further comprises: a sleeve 14 and a bottom cap 15, as shown in fig. 1. The sleeve 14 is sleeved on the base 31. The bottom cover 15 is fixedly connected with the bottom of the sleeve 14, and encloses a second sealed cavity 12 with the sleeve 14 and the circuit board 2.

The plug 3 comprises a base 31 and pins, or the plug 3 comprises a base 31 and blades 32. The base 31 is located in the second sealed cavity 12 and is fixedly connected with the circuit board 2. A pin or tab 32 is connected to the base 31 for mating with a battery 310 or other electronic component. The housing 1 further comprises a sleeve 14 and a bottom cover 15. The sleeve 14 has two open ends, and is sleeved on the base 31 to surround the base 31. The bottom cover 15 is fixedly connected with the bottom of the sleeve 14, covers a part of the bottom of the sleeve 14, and encloses a second sealed cavity 12 with the circuit board 2 to accommodate the base 31.

In one embodiment of the present application, further, the circuit board 2 includes a projection 211, as shown in fig. 1. The protrusion 211 is fixedly connected to the plug 3, and the protrusion 211 is inserted into the sleeve 14 and divides the lower end of the sleeve 14 into a first end portion 141 (shown in fig. 3) and a second end portion 142 (shown in fig. 3). The bottom cover 15 includes: a first bottom cover 151 and a second bottom cover 152, as shown in fig. 1. The first bottom cover 151 is fitted to the first end portion 141 and covers the first end portion 141. The second bottom cover 152 is fitted with the second end 142 and covers the second end 142.

The circuit board 2 comprises a convex part 211, and the convex part 211 is fixedly connected with the plug 3, so that the circuit board 2 is fixedly connected with the plug 3. The protrusion 211 is inserted into the sleeve 14, thereby dividing the lower end of the sleeve 14 into two parts, a first end 141 and a second end 142. Accordingly, the bottom cover 15 comprises a first bottom cover 151 and a second bottom cover 152, which cover the first end 141 and the second end 142 of the sleeve 14, which are open at the lower end, to ensure that the bottom of the second sealed cavity 12 is completely covered, so as to facilitate the subsequent injection of glue, so as to ensure the reliable sealing of the second waterproof sealant layer 9 to the portion of the plug 3 located in the second sealed cavity 12.

In one embodiment of the present application, further, the inner sidewall of the sleeve 14 is provided with at least one glue inlet groove 143, as shown in fig. 3. The glue inlet groove 143 is used for enabling glue to enter the second seal cavity 12, and the glue inlet groove 143 is communicated with the second seal cavity 12. The protrusion 211 is provided with at least one flow channel 2111, as shown in fig. 1. The circulation groove 2111 is used for circulating the glue inside the second sealed chamber 12. The circulation groove 2111 penetrates the projection 211 in the thickness direction of the circuit board 2.

At least one glue inlet groove 143 is formed in the inner side wall of the sleeve 14, so that glue can be injected into the second seal cavity 12 through the glue inlet groove 143 in the preparation process (specifically, glue can be dispensed or filled), the injection speed of the glue can be increased, and the production efficiency can be improved. The flow groove 2111 is correspondingly formed in the protruding portion 211, the flow groove 2111 penetrates through the protruding portion 211 along the thickness direction of the circuit board 2, glue can flow to two sides of the thickness direction of the circuit board 2 along the flow groove 2111, two spaces, separated by the protruding portion 211, of the sleeve 14 can be filled with the glue, circulation of the glue in the second sealing cavity 12 is achieved, and accordingly protection reliability of the second waterproof sealing glue layer 9 for the plug 3 is improved.

In one embodiment of the present application, specifically, the glue inlet groove 143 is provided at the top of the sleeve 14, as shown in fig. 3. The flow channel 2111 is disposed at the top of the protrusion 211, as shown in fig. 1.

The glue inlet groove 143 is arranged at the top of the sleeve 14, so that the glue can flow rapidly under the action of gravity, and the production efficiency is further improved. The circulation grooves 2111 are correspondingly formed in the top of the protruding portion 211, so that the glue injected through the glue inlet groove 143 flows to the top of the protruding portion 211 and flows to the two sides along the protruding portion 211, and the protruding portion 211 plays a role in draining the glue, so that the glue filling speed is further improved.

Further, the number of the circulation grooves 2111 is equal to that of the glue inlet grooves 143, and the circulation grooves are communicated with one another in a one-to-one correspondence manner.

The number of circulation grooves 2111 is equal to that of glue inlet grooves 143, and the glue inlet grooves are communicated in a one-to-one correspondence manner, so that glue can be simultaneously fed to a plurality of positions, the injection speed of glue in the second sealing cavity 12 is further increased, and the production efficiency of the circuit board module 100 is further improved.

Further, the sleeve 14 is generally rectangular in cross-section, as shown in FIG. 3. The glue inlet groove 143 is provided at a first end in the width direction of the sleeve 14. The bottom of the sleeve 14 is provided with a glue flow channel 146, as shown in fig. 3. The glue flow path 146 is disposed along the circumference of the sleeve 14 and extends from a first widthwise end of the sleeve 14 to a second widthwise end of the sleeve 14.

The cross-section of the sleeve 14 is substantially rectangular (i.e. approximately rectangular in shape as a whole, but not strictly rectangular, such as rectangular with rounded corners), adapted to the shape of the seat 31 of the plug 3. The glue inlet groove 143 is disposed at a first end of the sleeve 14 in the width direction, and the glue flow channel 146 is correspondingly disposed at the bottom of the sleeve 14, so that the glue can flow from the first end of the sleeve 14 to a second end of the sleeve 14 in the width direction along the glue flow channel 146, and the second sealed cavity 12 can be filled sufficiently quickly and uniformly.

In one embodiment of the present application, specifically, as shown in fig. 3, the sleeve 14 includes: a cylindrical portion 144 and a stepped portion 145. The glue inlet groove 143 is provided at a first end of the cylindrical portion 144 in the width direction. The step portion 145 is connected to the bottom of the cylindrical portion 144 and protrudes outward from the cylindrical portion 144, and an inner space of the step portion 145 forms a glue flow path 146.

The sleeve 14 comprises a cylindrical part 144 and a step part 145, and the glue flow channel 146 is formed by using the inner space of the step part 145, which is equivalent to thickening the bottom of the sleeve 14, so that the lower strength caused by the excessively thin wall thickness of the bottom of the sleeve 14 can be avoided, and the strength and reliability of the sleeve 14 are improved.

In one embodiment of the present application, further, an end of the cover case 13 near the plug 3 is provided with a mounting groove 133, as shown in fig. 1. At least a portion of the bottom cover 15 is seated in the mounting groove 133. The circuit board module 100 further includes: a sealing strip 4, as shown in fig. 1. The sealing strip 4 is sandwiched between the outer side wall of the sleeve 14 and the side wall of the mounting groove 133, as shown in fig. 2.

The cover shell 13 is provided with a mounting groove 133 at one end close to the plug 3, which can play a positioning role in the assembly of the bottom cover 15 and facilitate the quick assembly of the bottom cover 15. Establish sealing strip 4 between the lateral wall of sleeve 14 and mounting groove 133, can enough play effectual sealed effect between sleeve 14 and lid shell 13, occupied certain space again, be favorable to preventing that glue overfill from leading to increaseing the weight of circuit board module 100, therefore be favorable to the lightweight of circuit board module 100.

Specifically, the sealing tape 4 may be, but is not limited to, a sealing foam.

In one embodiment of the present application, the sleeve 14 further comprises: supporting the boss 147 as shown in fig. 3. The support boss 147 is connected to the bottom of the outer sidewall of the step portion 145, and encloses a seal groove with the step portion 145 and the cover case 13, the seal groove is adapted to the shape of the seal strip 4, and the seal strip 4 is embedded in the seal groove.

Utilize support boss 147, sleeve 14 and lid shell 13 to enclose out the seal groove, can play the positioning action to the assembly of sealing strip 4, the fast assembly of sealing strip 4 of being convenient for also is favorable to improving the position stability of sealing strip 4, prevents that sealing strip 4 from taking place the drunkenness or droing.

In one embodiment of the present application, specifically, the circuit board 2 includes: a plate body 21 and a connector 22, as shown in fig. 1. The plug 3 is connected to the board body 21. At least a portion of the plate body 21 is located within the first capsule 11. The first waterproof sealant layer 8 completely covers the surface 213 to be sealed of the plate body 21 in the first sealed cavity 11. The surface to be sealed 213 is a surface of the plate body 21 exposed in the first sealing cavity 11 and far away from the cover plate 131. One end of the connector 22 is connected to the board body 21, and the other end of the connector 22 protrudes from the first sealed chamber 11.

The circuit board 2 comprises a board body 21 and a connector 22, at least a part of the board body 21 is located in the first sealed cavity 11, and the first waterproof sealing glue layer 8 completely covers the surface 213 to be sealed of the board body 131 located in the first sealed cavity 11, so as to ensure reliable sealing of the board body 21. One end of the connector 22 is connected to the board body 21, and the other end extends out of the first sealed cavity 11, so as to connect other electronic components and realize electrical connection between the circuit board 2 and other electronic components.

It is understood that the surface of the plate body 21 away from the cover plate 131 faces the mouth of the cover case 13, and is susceptible to corrosion by external liquid, resulting in failure or damage to the circuit board 2 module. Therefore, the surface of the plate body 21 located in the first sealed cavity 11 and away from the cover plate 131 needs to be protected by waterproof sealing. Since the connector 22 is connected to the plate body 21, and the plate body 21 may be connected to the cover case 13 by a fastener such as a screw, a portion of the surface of the plate body 21 away from the cover plate 131 may be covered by the connector 22, the screw, and the like. Therefore, the surface 213 to be sealed of the plate body 21 in the first sealed cavity 11 refers to the surface of the plate body 21 which is located in the first sealed cavity 11 and is not covered by the connector 22 and the like (i.e. exposed in the first sealed cavity 11) and is far away from the cover plate 131. After the glue is cured to form the first waterproof sealant layer 8, the first waterproof sealant layer can be tightly combined with the connector 22, the inner wall surface of the cover shell 13 and other structures, so that reliable sealing of the plate body 21 is ensured.

Further, the plate body 21 includes: a main body portion 212 and a protrusion portion 211, as shown in fig. 1. Wherein the main body part 212 is located in the first sealed cavity 11. The connector 22 is provided on the plate surface of the body portion 212 and connected to the body portion 212. The protrusion 211 is connected to the top of the body portion 212. The header 3 is connected to the convex portion 211.

The plate body 21 comprises a main body part 212 and a protruding part 211, the main body part 212 is connected with the connector 22, the protruding part 211 is connected with the plug 3, the main body part 212 is sealed in the first sealed cavity 11 by the first waterproof sealing adhesive layer 8, the protruding part 211 is sealed in the second sealed cavity 12 by the second waterproof sealing adhesive layer 9, and reliable protection to the circuit board 2 is effectively guaranteed.

In one embodiment of the present application, the header 3 and the connector 22 are separated on both sides in the thickness direction of the board body 21, as shown in fig. 1.

The plug 3 and the connector 22 are respectively arranged on two sides of the thickness direction of the board body 21, so that the position and the orientation of the plug 3 and the connector 22 can be reasonably arranged as required, and the structure and the performance of the circuit board module 100 can be optimized.

In an embodiment of the present application, the circuit board module 100 further includes a filling pad 5, as shown in fig. 1. The filling pad 5 is disposed between the circuit board 2 and the cover plate 131.

The filling pad 5 is additionally arranged between the circuit board 2 and the cover plate 131, and the filling pad 5 can occupy partial space in the first sealed cavity 11, so that the glue filling amount in the first sealed cavity 11 is reduced. This can prevent the weight of the circuit board module 100 from being increased due to the excessive filling of the glue, thereby contributing to the light weight of the circuit board module 100.

In particular, the filling pad 5 may be, but is not limited to, a sealing foam.

In one embodiment of the present application, further, the housing 1 further comprises a stiffener 16, as shown in fig. 1. The reinforcing ribs 16 are provided on the inner wall surface of the lid case 13.

The reinforcing ribs 16 are arranged on the inner wall surface of the cover shell 13, so that on one hand, the strength of the cover shell 13 can be improved, and the strength of the circuit board module 100 can be improved; on the other hand, the cover shell can occupy a certain space, so that the filling amount of glue in the cover shell 13 is reduced, and the light weight of the circuit board module 100 is facilitated.

In one embodiment of the present application, further, the circuit board module 100 is mounted on the frame 210 of the movable platform 300, as can be seen in fig. 4 and 8. The plug 3 and the sleeve 14 of the circuit board module 100 are inserted into the through hole 2121 formed in the frame 210, as can be seen from fig. 5 and 9. The circuit board module 100 further includes: a waterproof gasket 6, as shown in fig. 4. The waterproof sealing ring 6 is a flexible piece. A waterproof gasket 6 is provided between the sleeve 14 and the wall of the through-hole 2121 for sealing the gap between the sleeve 14 and the wall of the through-hole 2121 and allowing a multi-degree-of-freedom displacement of the sleeve 14 relative to the through-hole 2121.

A waterproof seal ring 6 is arranged between the sleeve 14 of the plug 3 and the wall of the through hole 2121 of the machine frame 210, so that liquid can be prevented from leaking from the through hole 2121 to the plug 3, and the protection effect on the plug 3 is improved. Simultaneously, waterproof sealing ring 6 adopts the flexible piece, can take place flexiplexibility to allow sleeve 14 to take place the displacement of a plurality of degrees of freedom relative through-hole 2121, this is favorable to realizing the unsteady design of circuit board module 100, promptly: the circuit board module 100 can move, swing, rotate, etc. within a small range. Therefore, on one hand, when the plug 3 is matched with the electronic components such as the battery 310 and the like in an inserting manner, the circuit board module 100 can move in a small range to adapt to the positions of the electronic components such as the battery 310 and the like; on the other hand, under the operating mode of vibration, also be convenient for circuit board module 100 and battery 310 isoelectron spare part fine motion together, guarantee plug 3 and battery 310 isoelectron spare part contact well, reduce the wearing and tearing of inserted sheet 32 or contact pin, the life of extension product.

In addition, waterproof sealing ring 6 can also wrap up plug 3 all the time when plug 3 and circuit board 2 float to prevent that plug 3's inserted sheet 32 or contact pin department from intaking, realize the good protection to plug 3.

In one embodiment of the present application, in particular, as shown in fig. 5, the waterproof seal ring 6 comprises: a sealing portion 61, a cushioning portion 62, and a stopper portion 63. The seal portion 61 is provided between the plug 3 and the through-hole 2121 for sealing a gap between the plug 3 and the through-hole 2121. The buffer portion 62 is connected to the top of the seal portion 61 and fitted over the header 3. The limiting part 63 is connected to the bottom of the sealing part 61 and protrudes outward from the sealing part 61 for abutting engagement with the frame 210 along the axial direction of the through hole 2121 to limit the waterproof sealing ring 6 from coming out of the through hole 2121.

The waterproof gasket 6 includes a sealing portion 61, a buffer portion 62, and a stopper portion 63. The sealing part 61 is arranged between the plug 3 and the through hole 2121, and can effectively prevent water vapor or liquid from leaking at the part, so that the plug 3 is protected. Buffering portion 62 establishes in the top of sealing portion 61 to the cover is established on plug 3, can take place a certain amount of elastic deformation, is favorable to realizing the design of floating of circuit board module 100, promptly: the circuit board module 100 can move, swing, rotate, etc. within a small range.

Therefore, on one hand, when the plug 3 is matched with the electronic components such as the battery 310 and the like in an inserting manner, the circuit board module 100 can move in a small range to adapt to the positions of the electronic components such as the battery 310 and the like; on the other hand, under the operating mode of vibration, also be convenient for circuit board module 100 and battery 310 isoelectronic component fine motion together, guarantee plug 3 and battery 310 isoelectronic component contact well, reduce wearing and tearing, the life of extension product. The limiting part 63 can prevent the waterproof sealing ring 6 from being separated from the machine frame 210, so that the position stability of the waterproof sealing ring 6 is improved, and the use reliability of the waterproof sealing ring 6 is improved.

In one embodiment of the present application, the buffer portion 62 protrudes outward from the sealing portion 61, and the buffer portion 62, the sealing portion 61 and the stopper portion 63 enclose a buffer groove 65, as shown in fig. 5.

Buffer 62 outwards protrudes from sealing 61, and buffer groove 65 is enclosed by buffer 62, sealing 61 and spacing 63, has reduced waterproof sealing ring 6 and has taken place elastic deformation's the degree of difficulty, and waterproof sealing ring 6 of being convenient for takes place elastic deformation more in a flexible way to improve circuit board module 100's the flexibility of floating.

In one embodiment of the present application, the top surface of the waterproof gasket 6 is also used for abutment by the battery 310.

The top surface of waterproof sealing ring 6, waterproof sealing ring 6 keeps away from the terminal surface of bottom 15 promptly, can supply battery 310 butt, is favorable to increasing the area of contact with battery 310, and then improves the positional stability of battery 310, also improves the sealing reliability between battery 310 and the waterproof sealing ring 6.

In one embodiment of the present application, the inner side wall of the waterproof gasket 6 is provided with a sealing rib 64, as shown in fig. 5. The waterproof sealing ring 6 is in interference fit with the sleeve 14 through the sealing rib 64.

Establish sealed muscle 64 at waterproof sealing ring 6's inside wall, sealed muscle 64 and the sleeve 14 interference fit of plug 3 have effectively improved waterproof sealing ring 6's protection reliability.

In one embodiment of the present application, the circuit board module 100 further includes at least one shock absorbing structure 7, as shown in fig. 4. The shock-absorbing structure 7 is provided on the housing 1. The circuit board module 100 is connected to the frame 210 through the shock absorbing structure 7.

Specifically, the shock-absorbing structure 7 includes: a shock absorbing member 71 and a fastening member 72, as shown in fig. 4. The shock absorbing member 71 is a flexible member, and the shock absorbing member 71 is inserted into a mounting hole 216 (shown in fig. 4) formed in the machine frame 210. The fastener 72 is inserted through the shock absorbing member 71 and the mounting hole 216 and is fixedly connected to the housing 1. Wherein the shock absorbing member 71 can allow the displacement of the housing 1 and the fastening member 72 relative to the frame 210 with a plurality of degrees of freedom.

Circuit board module 100 still includes at least one shock-absorbing structure 7, and shock-absorbing structure 7 connection circuit board module 100 and frame 210 can play good cushioning effect to be favorable to realizing the unsteady design of circuit board module 100, promptly: the circuit board module 100 can move, swing, rotate, etc. within a small range. Therefore, on one hand, when the plug 3 is matched with the electronic components such as the battery 310 and the like in an inserting manner, the circuit board module 100 can move in a small range to adapt to the positions of the electronic components such as the battery 310 and the like; on the other hand, under the operating mode of vibration, also be convenient for circuit board module 100 and battery 310 isoelectron spare part fine motion together, guarantee plug 3 and battery 310 isoelectron spare part contact well, reduce the wearing and tearing of contact pin or inserted sheet 32, the life of extension product.

Specifically, the shock-absorbing structure 7 includes shock-absorbing members 71 and fasteners 72. The shock absorbing member 71 is a flexible member and is inserted into the mounting hole 216 of the machine frame 210, and can be flexibly deformed, so that the circuit board module 100 and the fastening member 72 can move in a small range relative to the machine frame 210 with multiple degrees of freedom, and the floating design of the circuit board module 100 is realized. The fastener 72 penetrates through the shock pad and the mounting hole 216 and is fixedly connected with the shell 1 of the circuit board module 100, so that the circuit board module 100 is fixed, and the stable connection between the circuit board module 100 and the machine frame 210 is ensured.

In one embodiment of the present application, further, the central axis of the mounting hole 216 is parallel to the plugging direction of the header 3, as shown in fig. 4.

Since the plugging direction of the plug 3, the thickness direction of the circuit board 2, and the thickness direction of the frame 210 are generally perpendicular to each other, when the central axis of the mounting hole 216 is perpendicular to the plugging direction of the plug 3, a plate-shaped structure parallel to the plugging direction of the plug 3 needs to be additionally provided on the cover case 13 and the frame 210, resulting in a complex structure of the cover case 13 and the frame 210 and a large size in the thickness direction of the circuit board 2. When the central axis of the mounting hole 216 is parallel to the plugging direction of the plug 3, the cover edge 132 of the cover shell 13 may be directly perforated, and the connecting plate of the frame 210 may be perforated correspondingly, thereby facilitating reduction of the size of the circuit board module 100 in the thickness direction, facilitating reduction of the size of the circuit board module 100, simplifying the structures of the circuit board module 100 and the frame 210, and further facilitating cost saving.

In one embodiment of the present application, the fastener 72 is a step screw 721, as shown in fig. 6 and 7. The step screw 721 is screwed to the housing 1 through the cushion.

The fastener 72 adopts the step screw 721, can prevent that the fastener 72 excessively extrudes the damper 71 in the assembling process to guarantee that the damper 71 has good elastic deformation ability, and then realize good shock attenuation effect, also make the circuit board module 100 have good flexibility of floating.

In one embodiment of the present application, the shock absorbing member 71 includes: the connecting portion 711, the transition portion 712, and the shock-absorbing portion 713 are shown in fig. 6 and 7. The fastener 72 is fixedly connected to the housing 1 after passing through the connecting portion 711, the transition portion 712 and the shock absorbing portion 713 in sequence. The transition portion 712 is disposed through the mounting hole 216, and one end of the transition portion 712 is connected to the connection portion 711. The damping portion 713 is connected to the other end of the transition portion 712, and encloses a limit engaging groove 714 with the transition portion 712 and the connecting portion 711, as shown in fig. 6. The shock absorbing member 71 is clamped with the machine frame 210 through the limit clamping groove 714.

The shock absorbing member 71 comprises a connecting portion 711, a transition portion 712 and a shock absorbing portion 713, wherein the connecting portion 711, the transition portion 712 and the shock absorbing portion 713 are sequentially connected, and during assembly, the body of the fastening member 72 sequentially passes through the connecting portion 711, the transition portion 712 and the shock absorbing portion 713 and then is fixedly connected with the housing 1 of the circuit board module 100. The connecting portion 711 is in abutting engagement with the head of the fastener 72. Transition portion 712 is in a plug-fit engagement with mounting aperture 216 of frame 210. The clamping groove is defined by the damping part 713, the transition part 712 and the connecting part 711, the damping part 71 is clamped and matched with the machine frame 210, the damping part 71 is prevented from being separated from the machine frame 210, the position stability of the damping part 71 is improved, and the use reliability of the damping structure 7 is further improved.

In one embodiment of the present application, further, the outer sidewall of the shock absorbing part 713 is provided with at least one shock absorbing groove 716, as shown in fig. 6 and 7.

The at least one damping groove 716 is formed in the outer side wall of the damping portion 713, so that the difficulty of elastic deformation of the damping member 71 is reduced, the damping member 71 is convenient to elastically deform more flexibly, and the floating flexibility of the circuit board module 100 is improved.

Wherein the shock absorbing groove 716 is provided in a circumferential direction of the shock absorbing part 713.

The damping groove 716 is formed in the circumferential direction of the damping portion 713, so that the circumferential structure of the damping piece 71 is regular, the circumferential stress balance of the damping piece 71 is facilitated, the damping piece 71 is prevented from being torn when being deformed in a certain direction, and the use reliability of the damping piece 71 is improved.

In one embodiment of the present application, further, at least one shock absorbing hole 715 is concavely formed in an inner sidewall of the shock absorbing member 71, as shown in fig. 6 and 7.

At least one damping hole 715 is formed in the inner side wall of the damping piece 71, so that the difficulty of elastic deformation of the damping piece 71 is further reduced, the damping piece 71 is further convenient to elastically deform more flexibly, and the floating flexibility of the circuit board module 100 is further improved.

Wherein, the number of the shock absorbing holes 715 is plural, and the plurality of shock absorbing holes 715 are arranged at intervals along the circumferential direction of the shock absorbing member 71, as shown in fig. 6 and 7.

Set up a plurality of shock attenuation holes 715 along the circumference interval of damper 71 for damper 71 circumference structure is comparatively regular, is favorable to damper 71 circumference atress balanced, takes place to tear when preventing damper 71 to warp to certain direction, thereby improves damper 71's use reliability.

Further, the plurality of damping holes 715 are uniformly arranged along the circumferential direction of the damping member 71, which is more beneficial to the circumferential stress balance of the damping member 71. The plurality of shock absorbing holes 715 may be arranged in a single layer (as shown in fig. 6) or in multiple layers (as shown in fig. 7) in a radial direction of the shock absorbing member 71.

As for the shape of the single shock absorbing hole 715, there is no particular limitation, and a petal shape, a drop shape, a long strip shape, and the like may be possible. Such as: the plurality of shock absorbing holes 715 are disposed in a quincunx shape along a circumferential direction of the shock absorbing member 71.

In one embodiment of the present application, the housing 1 includes a cover shell 13, the cover shell 13 being disposed between oppositely disposed first and

second attachment plates

2120, 214 of the subrack 210, as can be seen in conjunction with fig. 4 and 8. The plug 3 is inserted into a through hole 2121 formed in the first connection plate 2120. The number of the shock-absorbing structures 7 is plural, and the plural shock-absorbing structures 7 include a first shock-absorbing structure 73 and a second shock-absorbing structure 74, as shown in fig. 8. The first shock-absorbing structure 73 is used to connect the cover case 13 with the first connecting plate 2120, and the second shock-absorbing structure 74 is used to connect the cover case 13 with the second connecting plate 214.

The frame 210 includes a first connecting plate 2120 and a second connecting plate 214, the first connecting plate 2120 and the second connecting plate 214 are disposed opposite to each other, a through hole 2121 is formed in the first connecting plate 2120, and the plug 3 of the circuit board module 100 passes through the through hole 2121 during assembly, so as to be capable of being inserted into and mated with the battery 310. The first connection plate 2120 and the second connection plate 214 define a mounting space therebetween, and the cover case 13 of the circuit board module 100 is located in the mounting space. The plurality of shock-absorbing structures 7 are divided into a first shock-absorbing structure 73 and a second shock-absorbing structure 74. The first shock-absorbing structure 73 is connected with the cover shell 13 and the first connecting plate 2120, and the second shock-absorbing structure 74 is connected with the cover shell 13 and the second connecting plate 214, so that the reliable connection between the circuit board module 100 and the machine frame 210 is realized, and the shell 1 and the fastener 72 of the circuit board module 100 can realize the movement of multiple degrees of freedom relative to the first connecting plate 2120 and the second connecting plate 214, that is, the floating design of the circuit board module 100 is realized.

Further, the number of the first shock absorbing structures 73 is an even number, such as two (as shown in fig. 8), four, six, etc. An even number of first shock-absorbing structures 73 are symmetrically provided on both sides of the header 3, as shown in fig. 8.

The number of the first damping structures 73 is designed to be even, and the even number of the first damping structures 73 are symmetrically arranged on two sides of the plug 3, so that the stress balance of the circuit board module 100 is facilitated, the risk and amplitude of vibration of the circuit board module 100 are reduced, and the circuit board module 100 can float more flexibly.

Further, the number of the second shock absorbing structures 74 is at least two, such as two (as shown in fig. 8), three, four, five, etc. Two of the second shock-absorbing structures 74 are respectively provided at both ends of the cover case 13, as shown in fig. 8.

The number of the second shock absorption structures 74 is designed to be at least two, and the two second shock absorption structures 74 are arranged at the two ends of the cover shell 13, so that the circuit board module 100 can be prevented from forming a cantilever structure, and the stability of the circuit board module 100 can be improved.

Further, the distance between the first shock-absorbing structure 73 and the center line of the header 3 is greater than the distance between the second shock-absorbing structure 74 and the center line of the header 3, as shown in fig. 8. Wherein, the central line of the plug 3 is parallel to the plugging direction of the plug 3.

The distance between the first shock absorbing structure 73 and the center line of the plug 3 is greater than the distance between the second shock absorbing structure 74 and the center line of the plug 3, and the first shock absorbing structure 73 is closer to the plug 3, which is beneficial to reducing the deformation of the first connecting plate 2120 when the battery 310 is plugged, so that the operation hand feeling is improved.

In one particular example, as shown in fig. 8, first attachment plate 2120 is upper and second attachment plate 214 is lower. The first connection plate 2120 and the second connection plate 214 are specifically carbon plates. The number of the first shock absorbing structures 73 is two, and the two first shock absorbing structures 73 are symmetrically disposed at both sides of the header 3 and connect the first connection plate 2120 and the cover case 13, as shown in fig. 9. The number of the second shock-absorbing structures 74 is two, and two second shock-absorbing structures 74 are provided at both ends of the cover case 13 and connect the cover case 13 with the second connection plate 214, as shown in fig. 10.

As shown in FIG. 8, one embodiment of the second aspect of the present application provides a subrack assembly 200, comprising: the subrack 210 and the circuit board module 100 of any of the first aspect embodiments. The circuit board module 100 is connected to the frame 210.

The frame assembly 200 provided in the second aspect of the present application includes the circuit board module 100 provided in any one of the first aspect of the present application, so that all the advantages of any one of the above embodiments are provided, and are not repeated herein.

As shown in fig. 15, an embodiment of the third aspect of the present application provides a movable platform 300 comprising: the subrack assembly 200 and battery 310 (shown in FIG. 13) of the second aspect embodiment. The battery 310 is mated with the plug 3 of the subrack assembly 200, as can be seen in conjunction with FIGS. 11 and 12.

The movable platform 300 provided in the embodiment of the third aspect of the present application includes the subrack assembly 200 provided in any one of the embodiments of the second aspect, so that all the advantages of any one of the embodiments described above are achieved, and are not described herein again.

In one embodiment of the present application, further, the battery 310 is provided with a rib 312, as shown in fig. 14. The rib 312 is used to abut against the end surface of the waterproof gasket 6 of the frame assembly 200 facing the battery 310.

The battery 310 is provided with the convex rib 312, and after the battery 310 is in plug-in fit with the plug 3, the convex rib 312 can abut against the waterproof sealing ring 6 to realize tight fit, so that the sealing reliability of the battery 310 and the waterproof sealing ring 6 is improved. The rib 312 may be a hard structure protruding from the battery 310, or may be a soft structure such as a sealing ring of the battery 310.

Of course, the battery 310 may be directly brought into contact with the end surface of the waterproof seal ring 6 by the end surface of the battery 310 without providing the rib 312.

In one embodiment of the present application, the movable platform 300 is an agricultural drone.

Agricultural unmanned aerial vehicle can load liquid such as pesticide in the use, therefore adopts the scheme of this application can effectively improve agricultural unmanned aerial vehicle's use reliability.

Of course, the movable platform 300 is not limited to an agricultural unmanned aerial vehicle, but may be an underwater robot or an unmanned aerial vehicle working in rainy weather.

One embodiment is described below with reference to the drawings.

This embodiment provides a circuit board module 100 that realizes a floating design and a waterproof sealing design.

The floating design refers to floating at any angle (small range of movement, angle and displacement) in a three-dimensional space, so as to ensure that the battery 310 can slightly move to adapt to the position of the battery 310 when the battery 310 is inserted into the circuit board module 100. Meanwhile, under the vibration working condition, the circuit board module 100 can slightly move together with the battery 310, so that the contact of the elastic sheet is good, and the abrasion is reduced.

Specifically, as shown in fig. 4 and 8, the circuit board module 100 is composed of four sets of shock absorbing structures 7 arranged on the upper side and the lower side of the product, respectively, and two sets of shock absorbing structures 7 formed by four step screws 721 and four shock absorbing pads (i.e., shock absorbing members 71). Meanwhile, the cover case 13 of the circuit board module 100, the body portion 212 of the circuit board 2, and the connector 22 are placed between the receiving cavities formed by the upper and lower carbon plates (i.e., the first and second connection plates 2120 and 214) and other structural members. The upper two sets of shock absorbing structures 7 (i.e., the first shock absorbing structures 73) are near the plug 3 of the battery 310, and the lower two sets of shock absorbing structures 7 (i.e., the second shock absorbing structures 74) are near the edge of the circuit board 2. The shock pad is placed in the through-hole 2121 that the carbon plate corresponds, and the shock pad is inside to be equipped with and to present plum blossom shape shock attenuation hole 715, and shock attenuation hole 715 is favorable to circuit board 2 to float. The stepped portion 145 of the stepped screw 721 passes through the quincunx hole of the cushion pad and is then locked by the screw portion in cooperation with the screw hole (i.e., the connection hole 134) of the circuit board 2. The periphery of the plug 3 is provided with a sealing buffer rubber ring (namely, a waterproof sealing rubber ring) which is tightly matched with the plug 3 and used for wrapping the periphery of the plug 3 all the time when the circuit board 2 floats, the battery 310 is inserted from the upper part of the plug 3, a circle of convex ribs 312 or structures on the periphery of the battery 310 are pressed on the top end of the sealing buffer rubber ring, and the situation that water does not enter the position of the metal insert 32 of the plug 3 is ensured.

Fig. 1 and 2 illustrate the sealing of the circuit board module 100, including the sealing of the header 3 and the sealing of the PCBA board (i.e., the circuit board 2). The plug 3 is sealed, a cavity for accommodating glue is formed by the sleeve 14, the first bottom cover 151, the second bottom cover 152 and the circuit board 2, the plug 3 is wrapped at the same time, glue is filled or dispensed from the glue inlet groove 143 of the sleeve 14 to the inside of the cavity, the whole cavity is filled with the glue, and the sealing effect is achieved after the glue is cured.

Then, the assembled semi-finished circuit board module 100 forms a container cavity with an open mouth through a screw, a sealing strip 4 (specifically adopting sealing foam), a filling pad 5 (specifically adopting sealing foam), and a U-shaped cover shell 13. The container is horizontally placed, glue is filled in the cavity of the container, and the sealing effect is achieved after curing.

Wherein, the cover shell 13 is provided with a reinforcing rib 16 on the inner surface thereof for improving the strength of the circuit board module 100. When glue is poured into the cover shell 13, glue is applied to the exposed surface of the circuit board 2, and then the glue flows into the container cavity through the gap. After the exposed surface of the circuit board 2 is glued, the glue naturally levels, and the complete sealing of the surface and the peripheral gap is realized. The sealing strip 4 and the filling mat 5 also have the following functions: occupy certain space, thereby prevent that excessive glue from pouring into and increasing the weight of circuit board module 100, glue only needs to realize near the peripheral gap sealed like this.

In this application, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A circuit board module, comprising:

the device comprises a shell, a first sealing cavity and a second sealing cavity are arranged in the shell;

the circuit board is at least partially positioned in the first sealing cavity and is connected with the shell;

the plug is electrically connected with the circuit board, and at least the part of the plug, which is connected with the circuit board, is positioned in the second sealing cavity;

the first waterproof sealing glue layer is arranged in the first sealing cavity and used for sealing the part of the circuit board, which is positioned in the first sealing cavity, in the first sealing cavity and preventing liquid from entering the first sealing cavity;

and the second waterproof sealing glue layer is arranged in the second sealing cavity and used for sealing the part, positioned in the second sealing cavity, of the plug in the second sealing cavity and preventing liquid from entering the second sealing cavity.

2. The circuit board module of claim 1, wherein the housing comprises:

the cover shell is provided with the first sealing cavity, and the circuit board is fixedly connected with the cover shell;

the cover shell comprises a cover plate and a cover edge, and the cover edge is arranged along the circumferential direction of the cover plate and is connected with the cover plate.

3. The circuit board module as claimed in claim 1, wherein the plug includes a base and a pin or a tab connected to the base, the base is fixedly connected to the circuit board and located in the second sealing cavity, the housing includes:

the sleeve is sleeved on the base;

the bottom cover is fixedly connected with the bottom of the sleeve, and the bottom cover, the sleeve and the circuit board enclose the second sealing cavity.

4. The circuit board module as claimed in claim 3, wherein the circuit board includes a protrusion, the protrusion is fixedly connected to the plug, and the protrusion is inserted into the sleeve and divides the lower end of the sleeve into a first end and a second end;

the bottom cover includes:

a first bottom cover fitted to the first end portion and covering the first end portion; and

a second bottom cover that fits over and covers the second end.

5. Circuit board module according to claim 4,

the inner side wall of the sleeve is provided with at least one glue inlet groove, the glue inlet groove is used for enabling glue to enter the second sealing cavity, and the glue inlet groove is communicated with the second sealing cavity;

the protruding part is provided with at least one circulation groove, the circulation groove is used for enabling glue to circulate in the second sealing cavity, and the circulation groove penetrates through the protruding part along the thickness direction of the circuit board.

6. Circuit board module according to claim 5,

the glue inlet groove is formed in the top of the sleeve, and the circulation groove is formed in the top of the protruding portion; and/or

The number of the circulation grooves is equal to that of the glue inlet grooves, and the circulation grooves are communicated in a one-to-one correspondence manner; and/or

The cross section of the sleeve is approximately rectangular, and the glue inlet groove is formed in the first end of the sleeve in the width direction; the bottom of the sleeve is provided with a glue flow channel, the glue flow channel is arranged along the circumferential direction of the sleeve and extends from the first end of the width direction of the sleeve to the second end of the width direction of the sleeve.

7. The circuit board module of claim 3, wherein the housing comprises a cover shell, wherein an end of the cover shell adjacent to the plug is provided with a mounting groove, and at least a portion of the bottom cover is located in the mounting groove;

the circuit board module further comprises:

and the sealing strip is clamped between the outer side wall of the sleeve and the side wall of the mounting groove.

8. The circuit board module of claim 2, wherein the circuit board comprises:

the plug is connected with the plate body, and at least one part of the plate body is positioned in the first sealing cavity; the first waterproof sealing glue layer completely covers the surface to be sealed of the plate body in the first sealing cavity, wherein the surface to be sealed is the surface of the plate body exposed in the first sealing cavity and far away from the cover plate;

one end of the connector is connected with the plate body, and the other end of the connector protrudes out of the first sealing cavity.

9. The circuit board module of claim 8, wherein the board body comprises:

the main body part is positioned in the first sealing cavity, and the connector is arranged on the surface of the main body part and is connected with the main body part; and

and the protruding part is connected with the top of the main body part, and the plug is connected with the protruding part.

10. The circuit board module of claim 2,

the circuit board module further comprises a filling pad, and the filling pad is arranged between the circuit board and the cover plate; and/or

The housing further includes a reinforcing rib provided on an inner wall surface of the cover case.

11. The circuit board module according to claim 3, wherein the circuit board module is mounted on a frame of the movable platform, and the plug and the sleeve of the circuit board module are inserted into a through hole formed in the frame;

the circuit board module further comprises: the waterproof sealing ring is a flexible part; the waterproof sealing ring is arranged between the sleeve and the hole wall of the through hole and used for sealing a gap between the sleeve and the hole wall of the through hole and allowing the sleeve to move relative to the through hole in multiple degrees of freedom.

12. The circuit board module of claim 11,

the top surface of the waterproof sealing ring is also used for abutting a battery; and/or

The inside wall of waterproof sealing washer is equipped with sealed muscle, waterproof sealing washer passes through sealed muscle with sleeve interference fit.

13. The circuit board module of claim 1, further comprising at least one shock absorbing structure disposed on the housing, the circuit board module being coupled to a frame of the movable platform via the shock absorbing structure;

the shock-absorbing structure includes:

the shock absorption piece is a flexible piece and is arranged in a mounting hole formed in the machine frame in a penetrating manner;

the fastener penetrates through the damping piece and the mounting hole and is fixedly connected with the shell;

wherein the shock absorber is configured to allow multiple degrees of freedom of displacement of the housing and the fastener relative to the frame.

14. The circuit board module of claim 13,

the central axis of the mounting hole is parallel to the plugging direction of the plug; and/or

The fastening piece is a step screw which penetrates through the shock pad and is in threaded connection with the shell; and/or

The shock-absorbing member includes: the fastening piece is fixedly connected with the shell after sequentially penetrating through the connecting part, the transition part and the damping part; the transition part penetrates through the mounting hole, and one end of the transition part is connected with the connecting part; the shock attenuation portion with the other end of transition portion links to each other, and with transition portion reaches connecting portion enclose out spacing draw-in groove, the shock attenuation piece passes through spacing draw-in groove with frame looks joint.

15. The circuit board module of claim 13,

the shell comprises a cover shell, the cover shell is arranged between a first connecting plate and a second connecting plate which are oppositely arranged on the machine frame, and the plug penetrates through a through hole formed in the first connecting plate;

the number of shock-absorbing structure is a plurality of, and is a plurality of shock-absorbing structure includes first shock-absorbing structure and second shock-absorbing structure, first shock-absorbing structure is used for connecting the lid shell with first connecting plate, second shock-absorbing structure is used for connecting the lid shell with the second connecting plate.

16. The circuit board module of claim 15,

the number of the first shock absorption structures is even, and the even number of the first shock absorption structures are symmetrically arranged on two sides of the plug; and/or

The number of the second shock absorption structures is at least two, wherein the two second shock absorption structures are respectively arranged at two ends of the cover shell; and/or

The distance between the first shock absorption structure and the central line of the plug is larger than the distance between the second shock absorption structure and the central line of the plug, wherein the central line of the plug is parallel to the plugging direction of the plug.

17. A subrack assembly for use with a movable platform, comprising:

a machine frame; and

the circuit board module of any of claims 1-16, attached to the frame.

18. A movable platform, comprising:

the subrack assembly of claim 17; and

and the battery is matched with the plug of the machine frame component in an inserting manner.

19. The movable platform of claim 18,

the battery is provided with a convex rib, and the convex rib is used for abutting against the end face, facing the battery, of the waterproof sealing ring of the machine frame assembly; and/or

The movable platform is an agricultural unmanned aerial vehicle.